Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

27 files changed, 8886 insertions, 0 deletions

diff --git a/slideshow/source/engine/shapes/appletshape.cxx b/slideshow/source/engine/shapes/appletshape.cxx
new file mode 100644
index 000000000..ba7c6243b
--- /dev/null
+++ b/slideshow/source/engine/shapes/appletshape.cxx
@@ -0,0 +1,288 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include "appletshape.hxx"
+#include "externalshapebase.hxx"
+#include "viewappletshape.hxx"
+#include <tools.hxx>
+
+#include <o3tl/safeint.hxx>
+#include <osl/diagnose.h>
+
+#include <algorithm>
+
+
+using namespace ::com::sun::star;
+
+
+namespace slideshow::internal
+{
+        namespace {
+
+        /** Represents an applet shape.
+
+            This implementation offers support for applet shapes (both
+            Java applets, and Netscape plugins). Such shapes need
+            special treatment.
+         */
+        class AppletShape : public ExternalShapeBase
+        {
+        public:
+            /** Create a shape for the given XShape for an applet object
+
+                @param xShape
+                The XShape to represent.
+
+                @param nPrio
+                Externally-determined shape priority (used e.g. for
+                paint ordering). This number _must be_ unique!
+
+                @param rServiceName
+                Service name to use, when creating the actual viewer
+                component
+
+                @param pPropCopyTable
+                Table of plain ASCII property names, to copy from
+                xShape to applet.
+
+                @param nNumPropEntries
+                Number of property table entries (in pPropCopyTable)
+             */
+            AppletShape( const css::uno::Reference< css::drawing::XShape >& xShape,
+                         double                                     nPrio,
+                         const OUString&                            rServiceName,
+                         const char**                               pPropCopyTable,
+                         std::size_t                                nNumPropEntries,
+                         const SlideShowContext&                    rContext ); // throw ShapeLoadFailedException;
+
+        private:
+
+            // View layer methods
+
+
+            virtual void addViewLayer( const ViewLayerSharedPtr&    rNewLayer,
+                                       bool                         bRedrawLayer ) override;
+            virtual bool removeViewLayer( const ViewLayerSharedPtr& rNewLayer ) override;
+            virtual void clearAllViewLayers() override;
+
+
+            // ExternalShapeBase methods
+
+
+            virtual bool implRender( const ::basegfx::B2DRange& rCurrBounds ) const override;
+            virtual void implViewChanged( const UnoViewSharedPtr& rView ) override;
+            virtual void implViewsChanged() override;
+            virtual bool implStartIntrinsicAnimation() override;
+            virtual bool implEndIntrinsicAnimation() override;
+            virtual void implPauseIntrinsicAnimation() override;
+            virtual bool implIsIntrinsicAnimationPlaying() const override;
+            virtual void implSetIntrinsicAnimationTime(double) override;
+
+            const OUString                           maServiceName;
+            const char**                                    mpPropCopyTable;
+            const std::size_t                        mnNumPropEntries;
+
+            /// the list of active view shapes (one for each registered view layer)
+            typedef ::std::vector< ViewAppletShapeSharedPtr > ViewAppletShapeVector;
+            ViewAppletShapeVector                           maViewAppletShapes;
+            bool                                             mbIsPlaying;
+        };
+
+        }
+
+        AppletShape::AppletShape( const uno::Reference< drawing::XShape >& xShape,
+                                  double                                   nPrio,
+                                  const OUString&                   rServiceName,
+                                  const char**                             pPropCopyTable,
+                                  std::size_t                                 nNumPropEntries,
+                                  const SlideShowContext&                  rContext ) :
+            ExternalShapeBase( xShape, nPrio, rContext ),
+            maServiceName( rServiceName ),
+            mpPropCopyTable( pPropCopyTable ),
+            mnNumPropEntries( nNumPropEntries ),
+            maViewAppletShapes(),
+            mbIsPlaying(false)
+        {
+        }
+
+
+        void AppletShape::implViewChanged( const UnoViewSharedPtr& rView )
+        {
+            const ::basegfx::B2DRectangle& rBounds = getBounds();
+            // determine ViewAppletShape that needs update
+            for( const auto& pViewAppletShape : maViewAppletShapes )
+            {
+                if( pViewAppletShape->getViewLayer()->isOnView( rView ) )
+                    pViewAppletShape->resize( rBounds );
+            }
+        }
+
+
+        void AppletShape::implViewsChanged()
+        {
+            // resize all ViewShapes
+            const ::basegfx::B2DRectangle& rBounds = getBounds();
+            for( const auto& pViewAppletShape : maViewAppletShapes )
+                pViewAppletShape->resize( rBounds );
+        }
+
+
+        void AppletShape::addViewLayer( const ViewLayerSharedPtr& rNewLayer,
+                                        bool                      bRedrawLayer )
+        {
+            try
+            {
+                maViewAppletShapes.push_back(
+                    std::make_shared<ViewAppletShape>( rNewLayer,
+                                                       getXShape(),
+                                                       maServiceName,
+                                                       mpPropCopyTable,
+                                                       mnNumPropEntries,
+                                                       mxComponentContext ));
+
+                // push new size to view shape
+                maViewAppletShapes.back()->resize( getBounds() );
+
+                // render the Shape on the newly added ViewLayer
+                if( bRedrawLayer )
+                    maViewAppletShapes.back()->render( getBounds() );
+            }
+            catch(uno::Exception&)
+            {
+                // ignore failed shapes - slideshow should run with
+                // the remaining content
+            }
+        }
+
+
+        bool AppletShape::removeViewLayer( const ViewLayerSharedPtr& rLayer )
+        {
+            const ViewAppletShapeVector::iterator aEnd( maViewAppletShapes.end() );
+
+            OSL_ENSURE( ::std::count_if(maViewAppletShapes.begin(),
+                                        aEnd,
+                                        [&rLayer]
+                                        ( const ViewAppletShapeSharedPtr& pShape )
+                                        { return rLayer == pShape->getViewLayer(); } ) < 2,
+                        "AppletShape::removeViewLayer(): Duplicate ViewLayer entries!" );
+
+            ViewAppletShapeVector::iterator aIter;
+
+            if( (aIter=::std::remove_if( maViewAppletShapes.begin(),
+                                         aEnd,
+                                         [&rLayer]
+                                         ( const ViewAppletShapeSharedPtr& pShape )
+                                         { return rLayer == pShape->getViewLayer(); } ) ) == aEnd )
+            {
+                // view layer seemingly was not added, failed
+                return false;
+            }
+
+            // actually erase from container
+            maViewAppletShapes.erase( aIter, aEnd );
+
+            return true;
+        }
+
+
+        void AppletShape::clearAllViewLayers()
+        {
+            maViewAppletShapes.clear();
+        }
+
+
+        bool AppletShape::implRender( const ::basegfx::B2DRange& rCurrBounds ) const
+        {
+            // redraw all view shapes, by calling their update() method
+            if( o3tl::make_unsigned(::std::count_if( maViewAppletShapes.begin(),
+                                 maViewAppletShapes.end(),
+                                 [&rCurrBounds]
+                                 ( const ViewAppletShapeSharedPtr& pShape )
+                                 { return pShape->render( rCurrBounds ); } ))
+                != maViewAppletShapes.size() )
+            {
+                // at least one of the ViewShape::update() calls did return
+                // false - update failed on at least one ViewLayer
+                return false;
+            }
+
+            return true;
+        }
+
+
+        bool AppletShape::implStartIntrinsicAnimation()
+        {
+            const ::basegfx::B2DRectangle& rBounds = getBounds();
+            for( const auto& pViewAppletShape : maViewAppletShapes )
+                pViewAppletShape->startApplet( rBounds );
+
+            mbIsPlaying = true;
+
+            return true;
+        }
+
+
+        bool AppletShape::implEndIntrinsicAnimation()
+        {
+            for( const auto& pViewAppletShape : maViewAppletShapes )
+                pViewAppletShape->endApplet();
+
+            mbIsPlaying = false;
+
+            return true;
+        }
+
+
+        void AppletShape::implPauseIntrinsicAnimation()
+        {
+            // TODO(F1): any way of temporarily disabling/deactivating
+            // applets?
+        }
+
+
+        bool AppletShape::implIsIntrinsicAnimationPlaying() const
+        {
+            return mbIsPlaying;
+        }
+
+
+        void AppletShape::implSetIntrinsicAnimationTime(double)
+        {
+            // No way of doing this, or?
+        }
+
+        std::shared_ptr<Shape> createAppletShape(
+            const uno::Reference< drawing::XShape >& xShape,
+            double                                   nPrio,
+            const OUString&                   rServiceName,
+            const char**                             pPropCopyTable,
+            std::size_t                              nNumPropEntries,
+            const SlideShowContext&                  rContext )
+        {
+            return std::make_shared<AppletShape>(xShape,
+                                nPrio,
+                                rServiceName,
+                                pPropCopyTable,
+                                nNumPropEntries,
+                                rContext);
+        }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/appletshape.hxx b/slideshow/source/engine/shapes/appletshape.hxx
new file mode 100644
index 000000000..0de63af2c
--- /dev/null
+++ b/slideshow/source/engine/shapes/appletshape.hxx
@@ -0,0 +1,44 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_APPLETSHAPE_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_APPLETSHAPE_HXX
+
+#include <com/sun/star/uno/Reference.hxx>
+#include <memory>
+
+namespace com::sun::star::drawing { class XShape; }
+
+namespace slideshow::internal
+{
+        struct SlideShowContext;
+        class Shape;
+
+        std::shared_ptr<Shape> createAppletShape(
+            const css::uno::Reference< css::drawing::XShape >& xShape,
+            double                                  nPrio,
+            const OUString&                         rServiceName,
+            const char**                            pPropCopyTable,
+            std::size_t                             nNumPropEntries,
+            const SlideShowContext&                 rContext );
+}
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_APPLETSHAPE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/backgroundshape.cxx b/slideshow/source/engine/shapes/backgroundshape.cxx
new file mode 100644
index 000000000..d304b9f90
--- /dev/null
+++ b/slideshow/source/engine/shapes/backgroundshape.cxx
@@ -0,0 +1,299 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <com/sun/star/beans/XPropertySet.hpp>
+
+#include <sal/log.hxx>
+#include <o3tl/safeint.hxx>
+#include <osl/diagnose.h>
+
+#include <algorithm>
+
+#include "backgroundshape.hxx"
+#include <slideshowexceptions.hxx>
+#include <slideshowcontext.hxx>
+#include "gdimtftools.hxx"
+#include <shape.hxx>
+#include "viewbackgroundshape.hxx"
+
+
+using namespace ::com::sun::star;
+
+
+namespace slideshow::internal
+{
+        namespace {
+
+        /** Representation of a draw document's background shape.
+
+            This class implements the Shape interface for the
+            background shape. Since the background shape is neither
+            animatable nor attributable, those more specialized
+            derivations of the Shape interface are not implemented
+            here.
+
+            @attention this class is to be treated 'final', i.e. one
+            should not derive from it.
+         */
+        class BackgroundShape : public Shape
+        {
+        public:
+            /** Create the background shape.
+
+                This method creates a shape that handles the
+                peculiarities of the draw API regarding background
+                content.
+             */
+            BackgroundShape( const css::uno::Reference< css::drawing::XDrawPage >& xDrawPage,
+                             const css::uno::Reference< css::drawing::XDrawPage >& xMasterPage,
+                             const SlideShowContext&                    rContext ); // throw ShapeLoadFailedException;
+
+            virtual css::uno::Reference<
+                css::drawing::XShape > getXShape() const override;
+
+            // View layer methods
+
+
+            virtual void addViewLayer( const ViewLayerSharedPtr&    rNewLayer,
+                                       bool                         bRedrawLayer ) override;
+            virtual bool removeViewLayer( const ViewLayerSharedPtr& rNewLayer ) override;
+            virtual void clearAllViewLayers() override;
+
+
+            // attribute methods
+
+
+            virtual ::basegfx::B2DRectangle getBounds() const override;
+            virtual ::basegfx::B2DRectangle getDomBounds() const override;
+            virtual ::basegfx::B2DRectangle getUpdateArea() const override;
+            virtual bool isVisible() const override;
+            virtual double getPriority() const override;
+            virtual bool isForeground() const override { return false; }
+            virtual bool isBackgroundDetached() const override;
+
+
+            // render methods
+
+
+            virtual bool update() const override;
+            virtual bool render() const override;
+            virtual bool isContentChanged() const override;
+
+        private:
+            /// The metafile actually representing the Shape
+            GDIMetaFileSharedPtr        mpMtf;
+
+            // The attributes of this Shape
+            ::basegfx::B2DRectangle     maBounds; // always needed for rendering
+
+            /// the list of active view shapes (one for each registered view layer)
+            typedef ::std::vector< ViewBackgroundShapeSharedPtr > ViewBackgroundShapeVector;
+            ViewBackgroundShapeVector   maViewShapes;
+        };
+
+        }
+
+        BackgroundShape::BackgroundShape( const uno::Reference< drawing::XDrawPage >& xDrawPage,
+                                          const uno::Reference< drawing::XDrawPage >& xMasterPage,
+                                          const SlideShowContext&                     rContext ) :
+            mpMtf(),
+            maBounds(),
+            maViewShapes()
+        {
+            uno::Reference< beans::XPropertySet > xPropSet( xDrawPage,
+                                                            uno::UNO_QUERY_THROW );
+            // first try the page background (overrides
+            // masterpage background), then try masterpage
+            GDIMetaFileSharedPtr xMtf = getMetaFile(uno::Reference<lang::XComponent>(xDrawPage, uno::UNO_QUERY),
+                                                    xDrawPage, MTF_LOAD_BACKGROUND_ONLY,
+                                                    rContext.mxComponentContext);
+
+            if (!xMtf)
+            {
+                xMtf = getMetaFile( uno::Reference<lang::XComponent>(xMasterPage, uno::UNO_QUERY),
+                                    xDrawPage, MTF_LOAD_BACKGROUND_ONLY,
+                                    rContext.mxComponentContext );
+            }
+
+            if (!xMtf)
+            {
+                throw ShapeLoadFailedException();
+            }
+
+            // there is a special background shape, add it
+            // as the first one
+
+            sal_Int32 nDocWidth=0;
+            sal_Int32 nDocHeight=0;
+            xPropSet->getPropertyValue("Width") >>= nDocWidth;
+            xPropSet->getPropertyValue("Height") >>= nDocHeight;
+
+            mpMtf = xMtf;
+            maBounds = ::basegfx::B2DRectangle( 0,0,nDocWidth, nDocHeight );
+        }
+
+        uno::Reference< drawing::XShape > BackgroundShape::getXShape() const
+        {
+            // no real XShape representative
+            return uno::Reference< drawing::XShape >();
+        }
+
+        void BackgroundShape::addViewLayer( const ViewLayerSharedPtr&   rNewLayer,
+                                            bool                        bRedrawLayer )
+        {
+            // already added?
+            if( ::std::any_of( maViewShapes.begin(),
+                               maViewShapes.end(),
+                               [&rNewLayer]( const ViewBackgroundShapeSharedPtr& pBgShape )
+                               { return pBgShape->getViewLayer() == rNewLayer; } ) )
+            {
+                // yes, nothing to do
+                return;
+            }
+
+            maViewShapes.push_back(
+                std::make_shared<ViewBackgroundShape>(
+                    rNewLayer, maBounds ) );
+
+            // render the Shape on the newly added ViewLayer
+            if( bRedrawLayer )
+                maViewShapes.back()->render( mpMtf );
+        }
+
+        bool BackgroundShape::removeViewLayer( const ViewLayerSharedPtr& rLayer )
+        {
+            const ViewBackgroundShapeVector::iterator aEnd( maViewShapes.end() );
+
+            OSL_ENSURE( ::std::count_if(maViewShapes.begin(),
+                                        aEnd,
+                                        [&rLayer]( const ViewBackgroundShapeSharedPtr& pBgShape )
+                                        { return pBgShape->getViewLayer() == rLayer; } ) < 2,
+                        "BackgroundShape::removeViewLayer(): Duplicate ViewLayer entries!" );
+
+            ViewBackgroundShapeVector::iterator aIter;
+
+            if( (aIter=::std::remove_if( maViewShapes.begin(),
+                                         aEnd,
+                                         [&rLayer]( const ViewBackgroundShapeSharedPtr& pBgShape )
+                                         { return pBgShape->getViewLayer() == rLayer; } )) == aEnd )
+            {
+                // view layer seemingly was not added, failed
+                return false;
+            }
+
+            // actually erase from container
+            maViewShapes.erase( aIter, aEnd );
+
+            return true;
+        }
+
+        void BackgroundShape::clearAllViewLayers()
+        {
+            maViewShapes.clear();
+        }
+
+        ::basegfx::B2DRectangle BackgroundShape::getBounds() const
+        {
+            return maBounds;
+        }
+
+        ::basegfx::B2DRectangle BackgroundShape::getDomBounds() const
+        {
+            return maBounds;
+        }
+
+        ::basegfx::B2DRectangle BackgroundShape::getUpdateArea() const
+        {
+            // TODO(F1): Need to expand background, too, when
+            // antialiasing?
+
+            // no transformation etc. possible for background shape
+            return maBounds;
+        }
+
+        bool BackgroundShape::isVisible() const
+        {
+            return true;
+        }
+
+        double BackgroundShape::getPriority() const
+        {
+            return 0.0; // lowest prio, we're the background
+        }
+
+        bool BackgroundShape::update() const
+        {
+            return render();
+        }
+
+        bool BackgroundShape::render() const
+        {
+            SAL_INFO( "slideshow", "::presentation::internal::BackgroundShape::render()" );
+            SAL_INFO( "slideshow", "::presentation::internal::BackgroundShape: 0x" << std::hex << this );
+
+            // gcc again...
+            const ::basegfx::B2DRectangle& rCurrBounds( BackgroundShape::getBounds() );
+
+            if( rCurrBounds.getRange().equalZero() )
+            {
+                // zero-sized shapes are effectively invisible,
+                // thus, we save us the rendering...
+                return true;
+            }
+
+            // redraw all view shapes, by calling their render() method
+            if( o3tl::make_unsigned(::std::count_if( maViewShapes.begin(),
+                                 maViewShapes.end(),
+                                 [this]( const ViewBackgroundShapeSharedPtr& pBgShape )
+                                 { return pBgShape->render( this->mpMtf ); } ))
+                != maViewShapes.size() )
+            {
+                // at least one of the ViewBackgroundShape::render() calls did return
+                // false - update failed on at least one ViewLayer
+                return false;
+            }
+
+            return true;
+        }
+
+        bool BackgroundShape::isContentChanged() const
+        {
+            return false;
+        }
+
+        bool BackgroundShape::isBackgroundDetached() const
+        {
+            return false; // we're not animatable
+        }
+
+
+       ShapeSharedPtr createBackgroundShape(
+            const uno::Reference< drawing::XDrawPage >& xDrawPage,
+            const uno::Reference< drawing::XDrawPage >& xMasterPage,
+            const SlideShowContext&                     rContext )
+        {
+            return std::make_shared<BackgroundShape>(
+                    xDrawPage,
+                    xMasterPage,
+                    rContext );
+        }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/backgroundshape.hxx b/slideshow/source/engine/shapes/backgroundshape.hxx
new file mode 100644
index 000000000..3e7092498
--- /dev/null
+++ b/slideshow/source/engine/shapes/backgroundshape.hxx
@@ -0,0 +1,51 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_BACKGROUNDSHAPE_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_BACKGROUNDSHAPE_HXX
+
+#include <com/sun/star/uno/Reference.hxx>
+
+#include <memory>
+
+namespace com::sun::star::drawing { class XDrawPage; }
+
+namespace slideshow::internal
+    {
+        class  Shape;
+        struct SlideShowContext;
+        typedef ::std::shared_ptr< Shape > ShapeSharedPtr;
+
+        /** Representation of a draw document's background shape.
+
+            This function generates the Shape for the background
+            shape. Since the background shape is neither animatable
+            nor attributable, those more specialized derivations of
+            the Shape interface are not implemented here.
+         */
+        ShapeSharedPtr createBackgroundShape(
+            const css::uno::Reference< css::drawing::XDrawPage >& xDrawPage,
+            const css::uno::Reference< css::drawing::XDrawPage >& xMasterPage,
+            const SlideShowContext&                       rContext ); // throw ShapeLoadFailedException;
+
+}
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_BACKGROUNDSHAPE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/drawinglayeranimation.cxx b/slideshow/source/engine/shapes/drawinglayeranimation.cxx
new file mode 100644
index 000000000..0b37071fb
--- /dev/null
+++ b/slideshow/source/engine/shapes/drawinglayeranimation.cxx
@@ -0,0 +1,932 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <tools/diagnose_ex.h>
+#include <tools/gen.hxx>
+#include <tools/helpers.hxx>
+#include <canvas/elapsedtime.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
+
+#include <vcl/canvastools.hxx>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/drawing/TextAnimationKind.hpp>
+#include <com/sun/star/drawing/TextAnimationDirection.hpp>
+
+#include <activity.hxx>
+#include <wakeupevent.hxx>
+#include <eventqueue.hxx>
+#include "drawinglayeranimation.hxx"
+#include "drawshapesubsetting.hxx"
+#include "drawshape.hxx"
+#include <shapeattributelayerholder.hxx>
+#include <slideshowcontext.hxx>
+#include <subsettableshapemanager.hxx>
+#include <tools.hxx>
+#include "gdimtftools.hxx"
+#include <intrinsicanimationeventhandler.hxx>
+
+#include <vector>
+#include <memory>
+
+using namespace com::sun::star;
+using namespace ::slideshow::internal;
+
+namespace {
+
+class ScrollTextAnimNode
+{
+    sal_uInt32  mnDuration; // single duration
+    sal_uInt32  mnRepeat; // 0 -> endless
+    double      mfStart;
+    double      mfStop;
+    sal_uInt32  mnFrequency; // in ms
+    // forth and back change at mnRepeat%2:
+    bool        mbAlternate;
+
+public:
+    ScrollTextAnimNode(
+        sal_uInt32 nDuration, sal_uInt32 nRepeat, double fStart, double fStop,
+        sal_uInt32 nFrequency, bool bAlternate)
+        :   mnDuration(nDuration),
+            mnRepeat(nRepeat),
+            mfStart(fStart),
+            mfStop(fStop),
+            mnFrequency(nFrequency),
+            mbAlternate(bAlternate)
+        {}
+
+    sal_uInt32 GetRepeat() const { return mnRepeat; }
+    sal_uInt32 GetFullTime() const { return mnDuration * mnRepeat; }
+    double GetStop() const { return mfStop; }
+    sal_uInt32 GetFrequency() const { return mnFrequency; }
+    bool DoAlternate() const { return mbAlternate; }
+
+    double GetStateAtRelativeTime(sal_uInt32 nRelativeTime) const;
+};
+
+double ScrollTextAnimNode::GetStateAtRelativeTime(
+    sal_uInt32 nRelativeTime) const
+{
+    // Avoid division by zero.
+    if( mnDuration == 0 )
+        return mfStop;
+
+    if(mnRepeat)
+    {
+        // ending
+        const sal_uInt32 nRepeatCount(nRelativeTime / mnDuration);
+        sal_uInt32 nFrameTime(nRelativeTime - (nRepeatCount * mnDuration));
+
+        if(DoAlternate() && (nRepeatCount + 1) % 2L)
+            nFrameTime = mnDuration - nFrameTime;
+
+        return mfStart + ((mfStop - mfStart) *
+                          (double(nFrameTime) / mnDuration));
+    }
+    else
+    {
+        // endless
+        sal_uInt32 nFrameTime(nRelativeTime % mnDuration);
+
+        if(DoAlternate())
+        {
+            const sal_uInt32 nRepeatCount(nRelativeTime / mnDuration);
+
+            if((nRepeatCount + 1) % 2L)
+                nFrameTime = mnDuration - nFrameTime;
+        }
+
+        return mfStart + ((mfStop - mfStart) * (double(nFrameTime) / mnDuration));
+    }
+}
+
+class ActivityImpl : public Activity
+{
+public:
+    ActivityImpl(
+        SlideShowContext const& rContext,
+        std::shared_ptr<WakeupEvent> const& pWakeupEvent,
+        std::shared_ptr<DrawShape> const& pDrawShape );
+
+    ActivityImpl(const ActivityImpl&) = delete;
+    ActivityImpl& operator=(const ActivityImpl&) = delete;
+
+    bool enableAnimations();
+
+    // Disposable:
+    virtual void dispose() override;
+    // Activity:
+    virtual double calcTimeLag() const override;
+    virtual bool perform() override;
+    virtual bool isActive() const override;
+    virtual void dequeued() override;
+    virtual void end() override;
+
+private:
+    void updateShapeAttributes( double fTime,
+                                basegfx::B2DRectangle const& parentBounds );
+
+    // scroll horizontal? if sal_False, scroll is vertical.
+    bool ScrollHorizontal() const {
+        return (drawing::TextAnimationDirection_LEFT == meDirection ||
+                drawing::TextAnimationDirection_RIGHT == meDirection);
+    }
+
+    // Access to StepWidth in logical units
+    sal_uInt32 GetStepWidthLogic() const;
+
+    // is the animation direction opposite?
+    bool DoScrollForward() const {
+        return (drawing::TextAnimationDirection_RIGHT == meDirection ||
+                drawing::TextAnimationDirection_DOWN == meDirection);
+    }
+
+    // do alternate text directions?
+    bool DoAlternate() const { return mbAlternate; }
+
+    // do scroll in?
+    bool DoScrollIn() const { return mbScrollIn; }
+
+    // Scroll helper methods
+    void ImpForceScrollTextAnimNodes();
+    ScrollTextAnimNode* ImpGetScrollTextAnimNode(
+        sal_uInt32 nTime, sal_uInt32& rRelativeTime );
+    sal_uInt32 ImpRegisterAgainScrollTextMixerState(
+        sal_uInt32 nTime);
+
+    // calculate the MixerState value for given time
+    double GetMixerState(sal_uInt32 nTime);
+
+
+    SlideShowContext                            maContext;
+    std::shared_ptr<WakeupEvent>              mpWakeupEvent;
+    std::weak_ptr<DrawShape>                  mpParentDrawShape;
+    DrawShapeSharedPtr                          mpDrawShape;
+    ShapeAttributeLayerHolder                   maShapeAttrLayer;
+    GDIMetaFileSharedPtr                        mpMetaFile;
+    IntrinsicAnimationEventHandlerSharedPtr     mpListener;
+    canvas::tools::ElapsedTime                  maTimer;
+    double                                      mfRotationAngle;
+    bool                                        mbIsShapeAnimated;
+    bool                                        mbIsDisposed;
+    bool                                        mbIsActive;
+    drawing::TextAnimationKind                  meAnimKind;
+
+    // The blink frequency in ms
+    sal_uInt32                                  mnFrequency;
+
+    // The repeat count, init to 0L which means endless
+    sal_uInt32                                  mnRepeat;
+
+    // Flag to decide if text will be shown when animation has ended
+    bool                                        mbVisibleWhenStopped;
+    bool                                        mbVisibleWhenStarted;
+
+    // Flag decides if TextScroll alternates. Default is sal_False.
+    bool                                        mbAlternate;
+
+    // Flag to remember if this is a simple scrolling text
+    bool                                        mbScrollIn;
+
+    // The AnimationDirection
+    drawing::TextAnimationDirection             meDirection;
+
+    // Get width per Step. Negative means pixel, positive logical units
+    sal_Int32                                   mnStepWidth;
+
+    // The single anim steps
+    std::vector< ScrollTextAnimNode >           maVector;
+
+    // the scroll rectangle
+    tools::Rectangle                                   maScrollRectangleLogic;
+
+    // the paint rectangle
+    tools::Rectangle                                   maPaintRectangleLogic;
+};
+
+
+class IntrinsicAnimationListener : public IntrinsicAnimationEventHandler
+{
+public:
+    explicit IntrinsicAnimationListener( ActivityImpl& rActivity ) :
+        mrActivity( rActivity )
+    {}
+
+    IntrinsicAnimationListener(const IntrinsicAnimationListener&) = delete;
+    IntrinsicAnimationListener& operator=(const IntrinsicAnimationListener&) = delete;
+
+private:
+
+    virtual bool enableAnimations() override { return mrActivity.enableAnimations(); }
+    virtual bool disableAnimations() override { mrActivity.end(); return true; }
+
+    ActivityImpl& mrActivity;
+};
+
+
+double ActivityImpl::GetMixerState( sal_uInt32 nTime )
+{
+    if( meAnimKind == drawing::TextAnimationKind_BLINK )
+    {
+        // from AInfoBlinkText:
+        double fRetval(0.0);
+        bool bDone(false);
+        const sal_uInt32 nLoopTime(2 * mnFrequency);
+
+        if(mnRepeat)
+        {
+            const sal_uInt32 nEndTime(mnRepeat * nLoopTime);
+
+            if(nTime >= nEndTime)
+            {
+                if(mbVisibleWhenStopped)
+                    fRetval = 0.0;
+                else
+                    fRetval = 1.0;
+
+                bDone = true;
+            }
+        }
+
+        if(!bDone)
+        {
+            sal_uInt32 nTimeInLoop(nTime % nLoopTime);
+            fRetval = double(nTimeInLoop) / nLoopTime;
+        }
+
+        return fRetval;
+    }
+    else
+    {
+        // from AInfoScrollText:
+        double fRetval(0.0);
+        ImpForceScrollTextAnimNodes();
+
+        if(!maVector.empty())
+        {
+            sal_uInt32 nRelativeTime;
+            ScrollTextAnimNode* pNode =
+                ImpGetScrollTextAnimNode(nTime, nRelativeTime);
+
+            if(pNode)
+            {
+                // use node
+                fRetval = pNode->GetStateAtRelativeTime(nRelativeTime);
+            }
+            else
+            {
+                // end of animation, take last entry's end
+                fRetval = maVector[maVector.size() - 1].GetStop();
+            }
+        }
+
+        return fRetval;
+    }
+}
+
+// Access to StepWidth in logical units
+sal_uInt32 ActivityImpl::GetStepWidthLogic() const
+{
+    // #i69847# Assuming higher DPI
+    constexpr sal_uInt32 PIXEL_TO_LOGIC = 30;
+
+    sal_uInt32 nRetval(0);
+
+    if(mnStepWidth < 0)
+    {
+        // is in pixels, convert to logical units
+        nRetval = (-mnStepWidth * PIXEL_TO_LOGIC);
+    }
+    else if(mnStepWidth > 0)
+    {
+        // is in logical units
+        nRetval = mnStepWidth;
+    }
+
+    if(0 == nRetval)
+    {
+        // step 1 pixel, canned value
+
+        // with very high DPIs like in PDF export, this can
+        // still get zero.  for that cases, set a default, too (taken
+        // from ainfoscrolltext.cxx)
+        nRetval = 100;
+    }
+
+    return nRetval;
+}
+
+void ActivityImpl::ImpForceScrollTextAnimNodes()
+{
+    if(!maVector.empty())
+        return;
+
+    // prepare values
+    sal_uInt32 nLoopTime;
+    double fZeroLogic, fOneLogic, fInitLogic, fDistanceLogic;
+    double fZeroLogicAlternate = 0.0, fOneLogicAlternate = 0.0;
+    double fZeroRelative, fOneRelative, fInitRelative;
+
+    if(ScrollHorizontal())
+    {
+        if(DoAlternate())
+        {
+            if(maPaintRectangleLogic.GetWidth() >
+               maScrollRectangleLogic.GetWidth())
+            {
+                fZeroLogicAlternate = maScrollRectangleLogic.Right() - maPaintRectangleLogic.GetWidth();
+                fOneLogicAlternate = maScrollRectangleLogic.Left();
+            }
+            else
+            {
+                fZeroLogicAlternate = maScrollRectangleLogic.Left();
+                fOneLogicAlternate = maScrollRectangleLogic.Right() - maPaintRectangleLogic.GetWidth();
+            }
+        }
+
+        fZeroLogic = maScrollRectangleLogic.Left() - maPaintRectangleLogic.GetWidth();
+        fOneLogic = maScrollRectangleLogic.Right();
+        fInitLogic = maPaintRectangleLogic.Left();
+    }
+    else
+    {
+        if(DoAlternate())
+        {
+            if(maPaintRectangleLogic.GetHeight() > maScrollRectangleLogic.GetHeight())
+            {
+                fZeroLogicAlternate = maScrollRectangleLogic.Bottom() - maPaintRectangleLogic.GetHeight();
+                fOneLogicAlternate = maScrollRectangleLogic.Top();
+            }
+            else
+            {
+                fZeroLogicAlternate = maScrollRectangleLogic.Top();
+                fOneLogicAlternate = maScrollRectangleLogic.Bottom() - maPaintRectangleLogic.GetHeight();
+            }
+        }
+
+        fZeroLogic = maScrollRectangleLogic.Top() - maPaintRectangleLogic.GetHeight();
+        fOneLogic = maScrollRectangleLogic.Bottom();
+        fInitLogic = maPaintRectangleLogic.Top();
+    }
+
+    fDistanceLogic = fOneLogic - fZeroLogic;
+    fInitRelative = (fInitLogic - fZeroLogic) / fDistanceLogic;
+
+    if(DoAlternate())
+    {
+        fZeroRelative =
+            (fZeroLogicAlternate - fZeroLogic) / fDistanceLogic;
+        fOneRelative =
+            (fOneLogicAlternate - fZeroLogic) / fDistanceLogic;
+    }
+    else
+    {
+        fZeroRelative = 0.0;
+        fOneRelative = 1.0;
+    }
+
+    if(mbVisibleWhenStarted)
+    {
+        double fRelativeStartValue, fRelativeEndValue,fRelativeDistance;
+
+        if(DoScrollForward())
+        {
+            fRelativeStartValue = fInitRelative;
+            fRelativeEndValue = fOneRelative;
+            fRelativeDistance = fRelativeEndValue - fRelativeStartValue;
+        }
+        else
+        {
+            fRelativeStartValue = fInitRelative;
+            fRelativeEndValue = fZeroRelative;
+            fRelativeDistance = fRelativeStartValue - fRelativeEndValue;
+        }
+
+        const double fNumberSteps =
+            (fRelativeDistance * fDistanceLogic) / GetStepWidthLogic();
+        nLoopTime = FRound(fNumberSteps * mnFrequency);
+
+        // init loop
+        ScrollTextAnimNode aInitNode(
+            nLoopTime, 1,
+            fRelativeStartValue, fRelativeEndValue,
+            mnFrequency, false);
+        maVector.push_back(aInitNode);
+    }
+
+    // prepare main loop values
+    {
+        double fRelativeStartValue, fRelativeEndValue, fRelativeDistance;
+
+        if(DoScrollForward())
+        {
+            fRelativeStartValue = fZeroRelative;
+            fRelativeEndValue = fOneRelative;
+            fRelativeDistance = fRelativeEndValue - fRelativeStartValue;
+        }
+        else
+        {
+            fRelativeStartValue = fOneRelative;
+            fRelativeEndValue = fZeroRelative;
+            fRelativeDistance = fRelativeStartValue - fRelativeEndValue;
+        }
+
+        const double fNumberSteps =
+            (fRelativeDistance * fDistanceLogic) / GetStepWidthLogic();
+        nLoopTime = FRound(fNumberSteps * mnFrequency);
+
+        if(0 == mnRepeat)
+        {
+            if(!DoScrollIn())
+            {
+                // endless main loop
+                ScrollTextAnimNode aMainNode(
+                    nLoopTime, 0,
+                    fRelativeStartValue, fRelativeEndValue,
+                    mnFrequency, DoAlternate());
+                maVector.push_back(aMainNode);
+            }
+        }
+        else
+        {
+            sal_uInt32 nNumRepeat(mnRepeat);
+
+            if(DoAlternate() && (nNumRepeat + 1) % 2L)
+                nNumRepeat += 1;
+
+            // ending main loop
+            ScrollTextAnimNode aMainNode(
+                nLoopTime, nNumRepeat,
+                fRelativeStartValue, fRelativeEndValue,
+                mnFrequency, DoAlternate());
+            maVector.push_back(aMainNode);
+        }
+    }
+
+    if(!mbVisibleWhenStopped)
+        return;
+
+    double fRelativeStartValue, fRelativeEndValue, fRelativeDistance;
+
+    if(DoScrollForward())
+    {
+        fRelativeStartValue = fZeroRelative;
+        fRelativeEndValue = fInitRelative;
+        fRelativeDistance = fRelativeEndValue - fRelativeStartValue;
+    }
+    else
+    {
+        fRelativeStartValue = fOneRelative;
+        fRelativeEndValue = fInitRelative;
+        fRelativeDistance = fRelativeStartValue - fRelativeEndValue;
+    }
+
+    const double fNumberSteps =
+        (fRelativeDistance * fDistanceLogic) / GetStepWidthLogic();
+    nLoopTime = FRound(fNumberSteps * mnFrequency);
+
+    // exit loop
+    ScrollTextAnimNode aExitNode(
+        nLoopTime, 1,
+        fRelativeStartValue, fRelativeEndValue, mnFrequency, false);
+    maVector.push_back(aExitNode);
+}
+
+ScrollTextAnimNode* ActivityImpl::ImpGetScrollTextAnimNode(
+    sal_uInt32 nTime, sal_uInt32& rRelativeTime )
+{
+    ScrollTextAnimNode* pRetval = nullptr;
+    ImpForceScrollTextAnimNodes();
+
+    if(!maVector.empty())
+    {
+        rRelativeTime = nTime;
+
+        for(ScrollTextAnimNode & rNode: maVector)
+        {
+            if(!rNode.GetRepeat())
+            {
+                // endless loop, use it
+                pRetval = &rNode;
+            }
+            else if(rNode.GetFullTime() > rRelativeTime)
+            {
+                // ending node
+                pRetval = &rNode;
+            }
+            else
+            {
+                // look at next
+                rRelativeTime -= rNode.GetFullTime();
+            }
+        }
+    }
+
+    return pRetval;
+}
+
+sal_uInt32 ActivityImpl::ImpRegisterAgainScrollTextMixerState(sal_uInt32 nTime)
+{
+    sal_uInt32 nRetval(0);
+    ImpForceScrollTextAnimNodes();
+
+    if(!maVector.empty())
+    {
+        sal_uInt32 nRelativeTime;
+        ScrollTextAnimNode* pNode = ImpGetScrollTextAnimNode(nTime, nRelativeTime);
+
+        if(pNode)
+        {
+            // take register time
+            nRetval = pNode->GetFrequency();
+        }
+    }
+    else
+    {
+        // #i38135# not initialized, return default
+        nRetval = mnFrequency;
+    }
+
+    return nRetval;
+}
+
+void ActivityImpl::updateShapeAttributes(
+    double fTime, basegfx::B2DRectangle const& parentBounds )
+{
+    OSL_ASSERT( meAnimKind != drawing::TextAnimationKind_NONE );
+    if( meAnimKind == drawing::TextAnimationKind_NONE )
+        return;
+
+    double const fMixerState = GetMixerState(
+        static_cast<sal_uInt32>(fTime * 1000.0) );
+
+    if( meAnimKind == drawing::TextAnimationKind_BLINK )
+    {
+        // show/hide text:
+        maShapeAttrLayer.get()->setVisibility( fMixerState < 0.5 );
+    }
+    else if(mpMetaFile) // scroll mode:
+    {
+
+        // keep care: the below code is highly sensible to changes...
+
+
+        // rectangle of the pure text:
+        double const fPaintWidth = maPaintRectangleLogic.GetWidth();
+        double const fPaintHeight = maPaintRectangleLogic.GetHeight();
+        // rectangle where the scrolling takes place (-> clipping):
+        double const fScrollWidth = maScrollRectangleLogic.GetWidth();
+        double const fScrollHeight = maScrollRectangleLogic.GetHeight();
+
+        basegfx::B2DPoint pos, clipPos;
+
+        if(ScrollHorizontal())
+        {
+            double const fOneEquiv( fScrollWidth );
+            double const fZeroEquiv( -fPaintWidth );
+
+            pos.setX( fZeroEquiv + (fMixerState * (fOneEquiv - fZeroEquiv)) );
+
+            clipPos.setX( -pos.getX() );
+            clipPos.setY( -pos.getY() );
+
+            // #i69844# Compensation for text-wider-than-shape case
+            if( fPaintWidth > fScrollWidth )
+                pos.setX( pos.getX() + (fPaintWidth-fScrollWidth) / 2.0 );
+        }
+        else
+        {
+            // scroll vertical:
+            double const fOneEquiv( fScrollHeight );
+            double const fZeroEquiv( -fPaintHeight );
+
+            pos.setY( fZeroEquiv + (fMixerState * (fOneEquiv - fZeroEquiv)) );
+
+            clipPos.setX( -pos.getX() );
+            clipPos.setY( -pos.getY() );
+
+            // #i69844# Compensation for text-higher-than-shape case
+            if( fPaintHeight > fScrollHeight )
+                pos.setY( pos.getY() + (fPaintHeight-fScrollHeight) / 2.0 );
+        }
+
+        basegfx::B2DPolygon clipPoly(
+            basegfx::utils::createPolygonFromRect(
+                basegfx::B2DRectangle( clipPos.getX(),
+                                       clipPos.getY(),
+                                       clipPos.getX() + fScrollWidth,
+                                       clipPos.getY() + fScrollHeight ) ) );
+
+        if( !::basegfx::fTools::equalZero( mfRotationAngle ))
+        {
+            maShapeAttrLayer.get()->setRotationAngle( mfRotationAngle );
+            double const fRotate = basegfx::deg2rad(mfRotationAngle);
+            basegfx::B2DHomMatrix aTransform;
+            // position:
+            aTransform.rotate( fRotate );
+            pos *= aTransform;
+        }
+
+        pos += parentBounds.getCenter();
+        maShapeAttrLayer.get()->setPosition( pos );
+        maShapeAttrLayer.get()->setClip( basegfx::B2DPolyPolygon(clipPoly) );
+    }
+}
+
+bool ActivityImpl::perform()
+{
+    if( !isActive() )
+        return false;
+
+    ENSURE_OR_RETURN_FALSE(
+        mpDrawShape,
+        "ActivityImpl::perform(): still active, but NULL draw shape" );
+
+    DrawShapeSharedPtr const pParentDrawShape( mpParentDrawShape );
+    if( !pParentDrawShape )
+        return false; // parent has vanished
+
+    if( pParentDrawShape->isVisible() )
+    {
+        if( !mbIsShapeAnimated )
+        {
+            mpDrawShape->setVisibility(true); // shape may be initially hidden
+            maContext.mpSubsettableShapeManager->enterAnimationMode( mpDrawShape );
+            maTimer.reset();
+            mbIsShapeAnimated = true;
+        }
+        // update attributes related to current time:
+        basegfx::B2DRectangle const parentBounds(
+            pParentDrawShape->getBounds() );
+
+        const double nCurrTime( maTimer.getElapsedTime() );
+        updateShapeAttributes( nCurrTime, parentBounds );
+
+        const sal_uInt32 nFrequency(
+            ImpRegisterAgainScrollTextMixerState(
+                static_cast<sal_uInt32>(nCurrTime * 1000.0)) );
+
+        if(nFrequency)
+        {
+            mpWakeupEvent->start();
+            mpWakeupEvent->setNextTimeout(
+                std::max(0.1,nFrequency/1000.0) );
+            maContext.mrEventQueue.addEvent( mpWakeupEvent );
+
+            if( mpDrawShape->isContentChanged() )
+                maContext.mpSubsettableShapeManager->notifyShapeUpdate( mpDrawShape );
+        }
+        // else: finished, not need to wake up again.
+    }
+    else
+    {
+        // busy-wait, until parent shape gets visible
+        mpWakeupEvent->start();
+        mpWakeupEvent->setNextTimeout( 2.0 );
+    }
+
+    // don't reinsert, WakeupEvent will perform that after the given timeout:
+    return false;
+}
+
+ActivityImpl::ActivityImpl(
+    SlideShowContext const& rContext,
+    std::shared_ptr<WakeupEvent> const& pWakeupEvent,
+    std::shared_ptr<DrawShape> const& pParentDrawShape )
+    : maContext(rContext),
+      mpWakeupEvent(pWakeupEvent),
+      mpParentDrawShape(pParentDrawShape),
+      mpListener( std::make_shared<IntrinsicAnimationListener>(*this) ),
+      maTimer(rContext.mrEventQueue.getTimer()),
+      mfRotationAngle(0.0),
+      mbIsShapeAnimated(false),
+      mbIsDisposed(false),
+      mbIsActive(true),
+      meAnimKind(drawing::TextAnimationKind_NONE),
+      mbVisibleWhenStopped(false),
+      mbVisibleWhenStarted(false),
+      mnStepWidth(0)
+{
+    // get doctreenode:
+    sal_Int32 const nNodes = pParentDrawShape->getNumberOfTreeNodes(
+        DocTreeNode::NodeType::LogicalParagraph );
+
+    DocTreeNode scrollTextNode(
+        pParentDrawShape->getTreeNode(
+            0, DocTreeNode::NodeType::LogicalParagraph ));
+    // xxx todo: remove this hack
+    if( nNodes > 1 )
+        scrollTextNode.setEndIndex(
+            pParentDrawShape->getTreeNode(
+                nNodes - 1,
+                DocTreeNode::NodeType::LogicalParagraph ).getEndIndex());
+
+    // TODO(Q3): Doing this manually, instead of using
+    // ShapeSubset. This is because of lifetime issues (ShapeSubset
+    // generates circular references to parent shape)
+    mpDrawShape = std::dynamic_pointer_cast<DrawShape>(
+        maContext.mpSubsettableShapeManager->getSubsetShape(
+            pParentDrawShape,
+            scrollTextNode ));
+
+    mpMetaFile = mpDrawShape->forceScrollTextMetaFile();
+
+    // make scroll text invisible for slide transition bitmaps
+    mpDrawShape->setVisibility(false);
+
+    basegfx::B2DRectangle aScrollRect, aPaintRect;
+    ENSURE_OR_THROW( getRectanglesFromScrollMtf( aScrollRect,
+                                                  aPaintRect,
+                                                  mpMetaFile ),
+                      "ActivityImpl::ActivityImpl(): Could not extract "
+                      "scroll anim rectangles from mtf" );
+
+    maScrollRectangleLogic = vcl::unotools::rectangleFromB2DRectangle(
+        aScrollRect );
+    maPaintRectangleLogic = vcl::unotools::rectangleFromB2DRectangle(
+        aPaintRect );
+
+    maShapeAttrLayer.createAttributeLayer(mpDrawShape);
+
+    uno::Reference<drawing::XShape> const xShape( mpDrawShape->getXShape() );
+    uno::Reference<beans::XPropertySet> const xProps( xShape, uno::UNO_QUERY_THROW );
+
+    getPropertyValue( meAnimKind, xProps, "TextAnimationKind" );
+    OSL_ASSERT( meAnimKind != drawing::TextAnimationKind_NONE );
+    mbAlternate = (meAnimKind == drawing::TextAnimationKind_ALTERNATE);
+    mbScrollIn = (meAnimKind == drawing::TextAnimationKind_SLIDE);
+
+    // adopted from in AInfoBlinkText::ImplInit():
+    sal_Int16 nRepeat(0);
+    getPropertyValue( nRepeat, xProps, "TextAnimationCount" );
+    mnRepeat = nRepeat;
+
+    if(mbAlternate)
+    {
+        // force visible when started for scroll-forth-and-back, because
+        // slide has been coming in with visible text in the middle:
+        mbVisibleWhenStarted = true;
+    }
+    else
+    {
+        getPropertyValue( mbVisibleWhenStarted, xProps,
+                          "TextAnimationStartInside" );
+    }
+
+    // set visible when stopped
+    getPropertyValue( mbVisibleWhenStopped, xProps,
+                      "TextAnimatiogonStopInside" );
+    // rotation:
+    getPropertyValue( mfRotationAngle, xProps,
+                      "RotateAngle" );
+    mfRotationAngle /= -100.0; // (switching direction)
+
+    // set frequency
+    sal_Int16 nDelay(0);
+    getPropertyValue( nDelay, xProps, "TextAnimationDelay" );
+    // set delay if not automatic
+    mnFrequency = (nDelay ? nDelay :
+                   // default:
+                   meAnimKind == drawing::TextAnimationKind_BLINK
+                   ? 250 : 50 );
+
+    // adopted from in AInfoScrollText::ImplInit():
+
+    // If it is a simple m_bScrollIn, reset some parameters
+    if( DoScrollIn() )
+    {
+        // most parameters are set correctly from the dialog logic, but
+        // eg VisibleWhenStopped is grayed out and needs to be corrected here.
+        mbVisibleWhenStopped = true;
+        mbVisibleWhenStarted = false;
+        mnRepeat = 0;
+    }
+
+    // Get animation direction
+    getPropertyValue( meDirection, xProps, "TextAnimationDirection" );
+
+    // Get step width. Negative means pixel, positive logical units
+    getPropertyValue( mnStepWidth, xProps, "TextAnimationAmount" );
+
+    maContext.mpSubsettableShapeManager->addIntrinsicAnimationHandler(
+        mpListener );
+}
+
+bool ActivityImpl::enableAnimations()
+{
+    mbIsActive = true;
+    return maContext.mrActivitiesQueue.addActivity( std::dynamic_pointer_cast<Activity>(shared_from_this()) );
+}
+
+void ActivityImpl::dispose()
+{
+    if( mbIsDisposed )
+        return;
+
+    end();
+
+    // only remove subset here, since end() is called on slide end
+    // (and we must not spoil the slide preview bitmap with scroll
+    // text)
+    maShapeAttrLayer.reset();
+    if( mpDrawShape )
+    {
+        // TODO(Q3): Doing this manually, instead of using
+        // ShapeSubset. This is because of lifetime issues
+        // (ShapeSubset generates circular references to parent
+        // shape)
+        DrawShapeSharedPtr pParent( mpParentDrawShape.lock() );
+        if( pParent )
+            maContext.mpSubsettableShapeManager->revokeSubset(
+                pParent,
+                mpDrawShape );
+    }
+
+    mpMetaFile.reset();
+    mpDrawShape.reset();
+    mpParentDrawShape.reset();
+    mpWakeupEvent.reset();
+    maContext.dispose();
+    mbIsDisposed = true;
+
+    maContext.mpSubsettableShapeManager->removeIntrinsicAnimationHandler(
+        mpListener );
+}
+
+double ActivityImpl::calcTimeLag() const
+{
+    return 0.0;
+}
+
+bool ActivityImpl::isActive() const
+{
+    return mbIsActive;
+}
+
+void ActivityImpl::dequeued()
+{
+    // not used here
+}
+
+void ActivityImpl::end()
+{
+    // not used here
+    mbIsActive = false;
+
+    if( mbIsShapeAnimated )
+    {
+        maContext.mpSubsettableShapeManager->leaveAnimationMode( mpDrawShape );
+        mbIsShapeAnimated = false;
+    }
+}
+
+} // anon namespace
+
+namespace slideshow::internal {
+
+std::shared_ptr<Activity> createDrawingLayerAnimActivity(
+    SlideShowContext const& rContext,
+    std::shared_ptr<DrawShape> const& pDrawShape )
+{
+    std::shared_ptr<Activity> pActivity;
+
+    try
+    {
+        auto const pWakeupEvent = std::make_shared<WakeupEvent>( rContext.mrEventQueue.getTimer(),
+                             rContext.mrActivitiesQueue );
+        pActivity = std::make_shared<ActivityImpl>( rContext, pWakeupEvent, pDrawShape );
+        pWakeupEvent->setActivity( pActivity );
+    }
+    catch( uno::RuntimeException& )
+    {
+        throw;
+    }
+    catch( uno::Exception& )
+    {
+        // translate any error into empty factory product.
+        TOOLS_WARN_EXCEPTION( "slideshow", "" );
+    }
+
+    return pActivity;
+}
+
+} // namespace presentation
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/drawinglayeranimation.hxx b/slideshow/source/engine/shapes/drawinglayeranimation.hxx
new file mode 100644
index 000000000..5a143b087
--- /dev/null
+++ b/slideshow/source/engine/shapes/drawinglayeranimation.hxx
@@ -0,0 +1,39 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_DRAWINGLAYERANIMATION_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_DRAWINGLAYERANIMATION_HXX
+
+#include <sal/config.h>
+#include <memory>
+
+namespace slideshow::internal {
+
+class Activity;
+struct SlideShowContext;
+class DrawShape;
+
+std::shared_ptr<Activity> createDrawingLayerAnimActivity(
+    SlideShowContext const&                 rContext,
+    std::shared_ptr<DrawShape> const&     pDrawShape );
+
+} // namespace presentation::internal
+
+#endif // ! defined INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_DRAWINGLAYERANIMATION_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/drawshape.cxx b/slideshow/source/engine/shapes/drawshape.cxx
new file mode 100644
index 000000000..000ffd262
--- /dev/null
+++ b/slideshow/source/engine/shapes/drawshape.cxx
@@ -0,0 +1,1228 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <tools/diagnose_ex.h>
+
+#include <sal/log.hxx>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <o3tl/safeint.hxx>
+
+#include <vcl/metaact.hxx>
+#include <vcl/gdimtf.hxx>
+#include <vcl/graph.hxx>
+
+#include <basegfx/numeric/ftools.hxx>
+
+#include <com/sun/star/drawing/TextAnimationKind.hpp>
+
+#include <comphelper/scopeguard.hxx>
+
+#include <algorithm>
+#include <iterator>
+#include <functional>
+
+#include "drawshapesubsetting.hxx"
+#include "drawshape.hxx"
+#include <eventqueue.hxx>
+#include <wakeupevent.hxx>
+#include <subsettableshapemanager.hxx>
+#include "intrinsicanimationactivity.hxx"
+#include <tools.hxx>
+#include "gdimtftools.hxx"
+#include "drawinglayeranimation.hxx"
+
+using namespace ::com::sun::star;
+
+
+namespace slideshow::internal
+{
+
+
+        // Private methods
+
+
+        GDIMetaFileSharedPtr const & DrawShape::forceScrollTextMetaFile()
+        {
+            if ((mnCurrMtfLoadFlags & MTF_LOAD_SCROLL_TEXT_MTF) != MTF_LOAD_SCROLL_TEXT_MTF)
+            {
+                // reload with added flags:
+                mnCurrMtfLoadFlags |= MTF_LOAD_SCROLL_TEXT_MTF;
+                mpCurrMtf = getMetaFile(uno::Reference<lang::XComponent>(mxShape, uno::UNO_QUERY),
+                                        mxPage, mnCurrMtfLoadFlags,
+                                        mxComponentContext);
+
+                if (!mpCurrMtf)
+                    mpCurrMtf = std::make_shared<GDIMetaFile>();
+
+                // TODO(F1): Currently, the scroll metafile will
+                // never contain any verbose text comments. Thus,
+                // can only display the full mtf content, no
+                // subsets.
+                maSubsetting.reset( mpCurrMtf );
+
+                // adapt maBounds. the requested scroll text metafile
+                // will typically have dimension different from the
+                // actual shape
+                ::basegfx::B2DRectangle aScrollRect, aPaintRect;
+                ENSURE_OR_THROW( getRectanglesFromScrollMtf( aScrollRect,
+                                                              aPaintRect,
+                                                              mpCurrMtf ),
+                                  "DrawShape::forceScrollTextMetaFile(): Could "
+                                  "not extract scroll anim rectangles from mtf" );
+
+                // take the larger one of the two rectangles (that
+                // should be the bound rect of the retrieved
+                // metafile)
+                if( aScrollRect.isInside( aPaintRect ) )
+                    maBounds = aScrollRect;
+                else
+                    maBounds = aPaintRect;
+            }
+            return mpCurrMtf;
+        }
+
+        void DrawShape::updateStateIds() const
+        {
+            // Update the states, we've just redrawn or created a new
+            // attribute layer.
+            if( mpAttributeLayer )
+            {
+                mnAttributeTransformationState = mpAttributeLayer->getTransformationState();
+                mnAttributeClipState = mpAttributeLayer->getClipState();
+                mnAttributeAlphaState = mpAttributeLayer->getAlphaState();
+                mnAttributePositionState = mpAttributeLayer->getPositionState();
+                mnAttributeContentState = mpAttributeLayer->getContentState();
+                mnAttributeVisibilityState = mpAttributeLayer->getVisibilityState();
+            }
+        }
+
+        ViewShape::RenderArgs DrawShape::getViewRenderArgs() const
+        {
+            return ViewShape::RenderArgs(
+                maBounds,
+                getUpdateArea(),
+                getBounds(),
+                getActualUnitShapeBounds(),
+                mpAttributeLayer,
+                maSubsetting.getActiveSubsets(),
+                mnPriority);
+        }
+
+        bool DrawShape::implRender( UpdateFlags nUpdateFlags ) const
+        {
+            SAL_INFO( "slideshow", "::presentation::internal::DrawShape::implRender()" );
+            SAL_INFO( "slideshow", "::presentation::internal::DrawShape: 0x" << std::hex << this );
+
+            // will perform the update now, clear update-enforcing
+            // flags
+            mbForceUpdate = false;
+            mbAttributeLayerRevoked = false;
+
+            ENSURE_OR_RETURN_FALSE( !maViewShapes.empty(),
+                               "DrawShape::implRender(): render called on DrawShape without views" );
+
+            if( maBounds.isEmpty() )
+            {
+                // zero-sized shapes are effectively invisible,
+                // thus, we save us the rendering...
+                return true;
+            }
+
+            // redraw all view shapes, by calling their update() method
+            ViewShape::RenderArgs renderArgs( getViewRenderArgs() );
+            bool bVisible = isVisible();
+            if( o3tl::make_unsigned(::std::count_if( maViewShapes.begin(),
+                                 maViewShapes.end(),
+                                 [this, &bVisible, &renderArgs, &nUpdateFlags]
+                                 ( const ViewShapeSharedPtr& pShape )
+                                 { return pShape->update( this->mpCurrMtf,
+                                                          renderArgs,
+                                                          nUpdateFlags,
+                                                          bVisible ); } ))
+                != maViewShapes.size() )
+            {
+                // at least one of the ViewShape::update() calls did return
+                // false - update failed on at least one ViewLayer
+                return false;
+            }
+
+            // successfully redrawn - update state IDs to detect next changes
+            updateStateIds();
+
+            return true;
+        }
+
+        UpdateFlags DrawShape::getUpdateFlags() const
+        {
+            // default: update nothing, unless ShapeAttributeStack
+            // tells us below, or if the attribute layer was revoked
+            UpdateFlags nUpdateFlags(UpdateFlags::NONE);
+
+            // possibly the whole shape content changed
+            if( mbAttributeLayerRevoked )
+                nUpdateFlags = UpdateFlags::Content;
+
+
+            // determine what has to be updated
+
+
+            // do we have an attribute layer?
+            if( mpAttributeLayer )
+            {
+                // Prevent nUpdateFlags to be modified when the shape is not
+                // visible, except when it just was hidden.
+                if (mpAttributeLayer->getVisibility()
+                    || mpAttributeLayer->getVisibilityState() != mnAttributeVisibilityState )
+                {
+                    if (mpAttributeLayer->getVisibilityState() != mnAttributeVisibilityState )
+                    {
+                        // Change of the visibility state is mapped to
+                        // content change because when the visibility
+                        // changes then usually a sprite is shown or hidden
+                        // and the background under has to be painted once.
+                        nUpdateFlags |= UpdateFlags::Content;
+                    }
+
+                    // TODO(P1): This can be done without conditional branching.
+                    // See HAKMEM.
+                    if( mpAttributeLayer->getPositionState() != mnAttributePositionState )
+                    {
+                        nUpdateFlags |= UpdateFlags::Position;
+                    }
+                    if( mpAttributeLayer->getAlphaState() != mnAttributeAlphaState )
+                    {
+                        nUpdateFlags |= UpdateFlags::Alpha;
+                    }
+                    if( mpAttributeLayer->getClipState() != mnAttributeClipState )
+                    {
+                        nUpdateFlags |= UpdateFlags::Clip;
+                    }
+                    if( mpAttributeLayer->getTransformationState() != mnAttributeTransformationState )
+                    {
+                        nUpdateFlags |= UpdateFlags::Transformation;
+                    }
+                    if( mpAttributeLayer->getContentState() != mnAttributeContentState )
+                    {
+                        nUpdateFlags |= UpdateFlags::Content;
+                    }
+                }
+            }
+
+            return nUpdateFlags;
+        }
+
+        ::basegfx::B2DRectangle DrawShape::getActualUnitShapeBounds() const
+        {
+            ENSURE_OR_THROW( !maViewShapes.empty(),
+                              "DrawShape::getActualUnitShapeBounds(): called on DrawShape without views" );
+
+            const VectorOfDocTreeNodes& rSubsets(
+                maSubsetting.getActiveSubsets() );
+
+            const ::basegfx::B2DRectangle aDefaultBounds( 0.0,0.0,1.0,1.0 );
+
+            // perform the cheapest check first
+            if( rSubsets.empty() )
+            {
+                // if subset contains the whole shape, no need to call
+                // the somewhat expensive bound calculation, since as
+                // long as the subset is empty, this branch will be
+                // taken.
+                return aDefaultBounds;
+            }
+            else
+            {
+                OSL_ENSURE( rSubsets.size() != 1 ||
+                            !rSubsets.front().isEmpty(),
+                            "DrawShape::getActualUnitShapeBounds() expects a "
+                            "_non-empty_ subset vector for a subsetted shape!" );
+
+                // are the cached bounds still valid?
+                if( !maCurrentShapeUnitBounds )
+                {
+                    // no, (re)generate them
+                    // =====================
+
+                    // setup cached values to defaults (might fail to
+                    // retrieve true bounds below)
+                    maCurrentShapeUnitBounds = aDefaultBounds;
+
+                    // TODO(P2): the subset of the master shape (that from
+                    // which the subsets are subtracted) changes
+                    // relatively often (every time a subset shape is
+                    // added or removed). Maybe we should exclude it here,
+                    // always assuming full bounds?
+
+                    ::cppcanvas::CanvasSharedPtr pDestinationCanvas(
+                        maViewShapes.front()->getViewLayer()->getCanvas() );
+
+                    // TODO(Q2): Although this _is_ currently
+                    // view-agnostic, it might not stay like
+                    // that. Maybe this method should again be moved
+                    // to the ViewShape
+                    ::cppcanvas::RendererSharedPtr pRenderer(
+                        maViewShapes.front()->getRenderer(
+                            pDestinationCanvas, mpCurrMtf, mpAttributeLayer ) );
+
+                    // If we cannot not prefetch, be defensive and assume
+                    // full shape size
+                    if( pRenderer )
+                    {
+                        // temporarily, switch total transformation to identity
+                        // (need the bounds in the [0,1]x[0,1] unit coordinate
+                        // system.
+                        ::basegfx::B2DHomMatrix      aEmptyTransformation;
+
+                        ::basegfx::B2DHomMatrix      aOldTransform( pDestinationCanvas->getTransformation() );
+                        pDestinationCanvas->setTransformation( aEmptyTransformation );
+                        pRenderer->setTransformation( aEmptyTransformation );
+
+                        // restore old transformation when leaving the scope
+                        const ::comphelper::ScopeGuard aGuard(
+                            [&pDestinationCanvas, &aOldTransform]()
+                            { return pDestinationCanvas->setTransformation( aOldTransform ); } );
+
+
+                        // retrieve bounds for subset of whole metafile
+
+
+                        ::basegfx::B2DRange aTotalBounds;
+
+                        // cannot use ::boost::bind, ::basegfx::B2DRange::expand()
+                        // is overloaded.
+                        for( const auto& rDocTreeNode : rSubsets )
+                            aTotalBounds.expand( pRenderer->getSubsetArea(
+                                                     rDocTreeNode.getStartIndex(),
+                                                     rDocTreeNode.getEndIndex() ) );
+
+                        OSL_ENSURE( aTotalBounds.getMinX() >= -0.1 &&
+                                    aTotalBounds.getMinY() >= -0.1 &&
+                                    aTotalBounds.getMaxX() <= 1.1 &&
+                                    aTotalBounds.getMaxY() <= 1.1,
+                                    "DrawShape::getActualUnitShapeBounds(): bounds noticeably larger than original shape - clipping!" );
+
+                        // really make sure no shape appears larger than its
+                        // original bounds (there _are_ some pathologic cases,
+                        // especially when imported from PPT, that have
+                        // e.g. obscenely large polygon bounds)
+                        aTotalBounds.intersect(
+                            ::basegfx::B2DRange( 0.0, 0.0,
+                                                 1.0, 1.0 ));
+
+                        maCurrentShapeUnitBounds = aTotalBounds;
+                    }
+                }
+
+                return *maCurrentShapeUnitBounds;
+            }
+        }
+
+        DrawShape::DrawShape( const uno::Reference< drawing::XShape >&      xShape,
+                              const uno::Reference< drawing::XDrawPage >&   xContainingPage,
+                              double                                        nPrio,
+                              bool                                          bForeignSource,
+                              const SlideShowContext&                       rContext ) :
+            mxShape( xShape ),
+            mxPage( xContainingPage ),
+            maAnimationFrames(), // empty, we don't have no intrinsic animation
+            mnCurrFrame(0),
+            mpCurrMtf(),
+            mnCurrMtfLoadFlags( bForeignSource
+                                ? MTF_LOAD_FOREIGN_SOURCE : MTF_LOAD_NONE ),
+            maCurrentShapeUnitBounds(),
+            mnPriority( nPrio ), // TODO(F1): When ZOrder someday becomes usable: make this ( getAPIShapePrio( xShape ) ),
+            maBounds( getAPIShapeBounds( xShape ) ),
+            mpAttributeLayer(),
+            mpIntrinsicAnimationActivity(),
+            mnAttributeTransformationState(0),
+            mnAttributeClipState(0),
+            mnAttributeAlphaState(0),
+            mnAttributePositionState(0),
+            mnAttributeContentState(0),
+            mnAttributeVisibilityState(0),
+            maViewShapes(),
+            mxComponentContext( rContext.mxComponentContext ),
+            maHyperlinkIndices(),
+            maHyperlinkRegions(),
+            maSubsetting(),
+            mnIsAnimatedCount(0),
+            mnAnimationLoopCount(0),
+            mbIsVisible( true ),
+            mbForceUpdate( false ),
+            mbAttributeLayerRevoked( false ),
+            mbDrawingLayerAnim( false ),
+            mbContainsPageField( false )
+        {
+            ENSURE_OR_THROW( mxShape.is(), "DrawShape::DrawShape(): Invalid XShape" );
+            ENSURE_OR_THROW( mxPage.is(), "DrawShape::DrawShape(): Invalid containing page" );
+
+            // check for drawing layer animations:
+            drawing::TextAnimationKind eKind = drawing::TextAnimationKind_NONE;
+            uno::Reference<beans::XPropertySet> xPropSet( mxShape,
+                                                          uno::UNO_QUERY );
+            if( xPropSet.is() )
+                getPropertyValue( eKind, xPropSet,
+                                  "TextAnimationKind" );
+            mbDrawingLayerAnim = (eKind != drawing::TextAnimationKind_NONE);
+
+            // must NOT be called from within initializer list, uses
+            // state from mnCurrMtfLoadFlags!
+            mpCurrMtf = getMetaFile(uno::Reference<lang::XComponent>(xShape, uno::UNO_QUERY),
+                                    xContainingPage, mnCurrMtfLoadFlags,
+                                    mxComponentContext );
+            if (!mpCurrMtf)
+                mpCurrMtf = std::make_shared<GDIMetaFile>();
+
+            maSubsetting.reset( mpCurrMtf );
+
+            prepareHyperlinkIndices();
+
+            if(mbContainsPageField && mpCurrMtf && !maBounds.isEmpty())
+            {
+                // tdf#150402 Use mbContainsPageField that gets set in prepareHyperlinkIndices
+                // which has to be run anyways, so this will cause no harm in execution speed.
+                // It lets us detect the potential error case that a PageField is contained in
+                // the Text of the Shape. That is a hint that maBounds contains the wrong Range
+                // and needs to be corrected. The correct size is in the PrefSize of the metafile.
+                // For more backgrund information please refer to tdf#150402, Comment 16.
+                const double fWidthDiff(fabs(mpCurrMtf->GetPrefSize().Width() - maBounds.getWidth()));
+                const double fHeightDiff(fabs(mpCurrMtf->GetPrefSize().Height() - maBounds.getHeight()));
+
+                if(fWidthDiff > 1.0 || fHeightDiff > 1.0)
+                {
+                    maBounds = basegfx::B2DRange(
+                        maBounds.getMinX(), maBounds.getMinY(),
+                        maBounds.getMinX() + mpCurrMtf->GetPrefSize().Width(),
+                        maBounds.getMinY() + mpCurrMtf->GetPrefSize().Height());
+                }
+            }
+        }
+
+        DrawShape::DrawShape( const uno::Reference< drawing::XShape >&      xShape,
+                              const uno::Reference< drawing::XDrawPage >&   xContainingPage,
+                              double                                        nPrio,
+                              const Graphic&                                rGraphic,
+                              const SlideShowContext&                       rContext ) :
+            mxShape( xShape ),
+            mxPage( xContainingPage ),
+            maAnimationFrames(),
+            mnCurrFrame(0),
+            mpCurrMtf(),
+            mnCurrMtfLoadFlags( MTF_LOAD_NONE ),
+            maCurrentShapeUnitBounds(),
+            mnPriority( nPrio ), // TODO(F1): When ZOrder someday becomes usable: make this ( getAPIShapePrio( xShape ) ),
+            maBounds( getAPIShapeBounds( xShape ) ),
+            mpAttributeLayer(),
+            mpIntrinsicAnimationActivity(),
+            mnAttributeTransformationState(0),
+            mnAttributeClipState(0),
+            mnAttributeAlphaState(0),
+            mnAttributePositionState(0),
+            mnAttributeContentState(0),
+            mnAttributeVisibilityState(0),
+            maViewShapes(),
+            mxComponentContext( rContext.mxComponentContext ),
+            maHyperlinkIndices(),
+            maHyperlinkRegions(),
+            maSubsetting(),
+            mnIsAnimatedCount(0),
+            mnAnimationLoopCount(0),
+            mbIsVisible( true ),
+            mbForceUpdate( false ),
+            mbAttributeLayerRevoked( false ),
+            mbDrawingLayerAnim( false ),
+            mbContainsPageField( false )
+        {
+            ENSURE_OR_THROW( rGraphic.IsAnimated(),
+                              "DrawShape::DrawShape(): Graphic is no animation" );
+
+            getAnimationFromGraphic( maAnimationFrames,
+                                     mnAnimationLoopCount,
+                                     rGraphic );
+
+            ENSURE_OR_THROW( !maAnimationFrames.empty() &&
+                              maAnimationFrames.front().mpMtf,
+                              "DrawShape::DrawShape(): " );
+            mpCurrMtf = maAnimationFrames.front().mpMtf;
+
+            ENSURE_OR_THROW( mxShape.is(), "DrawShape::DrawShape(): Invalid XShape" );
+            ENSURE_OR_THROW( mxPage.is(), "DrawShape::DrawShape(): Invalid containing page" );
+            ENSURE_OR_THROW( mpCurrMtf, "DrawShape::DrawShape(): Invalid metafile" );
+        }
+
+        DrawShape::DrawShape( const DrawShape&      rSrc,
+                              const DocTreeNode&    rTreeNode,
+                              double                nPrio ) :
+            mxShape( rSrc.mxShape ),
+            mxPage( rSrc.mxPage ),
+            maAnimationFrames(), // don't copy animations for subsets,
+                                 // only the current frame!
+            mnCurrFrame(0),
+            mpCurrMtf( rSrc.mpCurrMtf ),
+            mnCurrMtfLoadFlags( rSrc.mnCurrMtfLoadFlags ),
+            maCurrentShapeUnitBounds(),
+            mnPriority( nPrio ),
+            maBounds( rSrc.maBounds ),
+            mpAttributeLayer(),
+            mpIntrinsicAnimationActivity(),
+            mnAttributeTransformationState(0),
+            mnAttributeClipState(0),
+            mnAttributeAlphaState(0),
+            mnAttributePositionState(0),
+            mnAttributeContentState(0),
+            mnAttributeVisibilityState(0),
+            maViewShapes(),
+            mxComponentContext( rSrc.mxComponentContext ),
+            maHyperlinkIndices(),
+            maHyperlinkRegions(),
+            maSubsetting( rTreeNode, mpCurrMtf ),
+            mnIsAnimatedCount(0),
+            mnAnimationLoopCount(0),
+            mbIsVisible( rSrc.mbIsVisible ),
+            mbForceUpdate( false ),
+            mbAttributeLayerRevoked( false ),
+            mbDrawingLayerAnim( false ),
+            mbContainsPageField( false )
+        {
+            ENSURE_OR_THROW( mxShape.is(), "DrawShape::DrawShape(): Invalid XShape" );
+            ENSURE_OR_THROW( mpCurrMtf, "DrawShape::DrawShape(): Invalid metafile" );
+
+            // xxx todo: currently not implemented for subsetted shapes;
+            //           would mean modifying set of hyperlink regions when
+            //           subsetting text portions. N.B.: there's already an
+            //           issue for this #i72828#
+        }
+
+
+        // Public methods
+
+
+        DrawShapeSharedPtr DrawShape::create(
+            const uno::Reference< drawing::XShape >&    xShape,
+            const uno::Reference< drawing::XDrawPage >& xContainingPage,
+            double                                      nPrio,
+            bool                                        bForeignSource,
+            const SlideShowContext&                     rContext )
+        {
+            DrawShapeSharedPtr pShape( new DrawShape(xShape,
+                                                     xContainingPage,
+                                                     nPrio,
+                                                     bForeignSource,
+                                                     rContext) );
+
+            if( pShape->hasIntrinsicAnimation() )
+            {
+                OSL_ASSERT( pShape->maAnimationFrames.empty() );
+                if( pShape->getNumberOfTreeNodes(
+                        DocTreeNode::NodeType::LogicalParagraph) > 0 )
+                {
+                    pShape->mpIntrinsicAnimationActivity =
+                        createDrawingLayerAnimActivity(
+                            rContext,
+                            pShape);
+                }
+            }
+
+            if( pShape->hasHyperlinks() )
+                rContext.mpSubsettableShapeManager->addHyperlinkArea( pShape );
+
+            return pShape;
+        }
+
+        DrawShapeSharedPtr DrawShape::create(
+            const uno::Reference< drawing::XShape >&    xShape,
+            const uno::Reference< drawing::XDrawPage >& xContainingPage,
+            double                                      nPrio,
+            const Graphic&                              rGraphic,
+            const SlideShowContext&                     rContext )
+        {
+            DrawShapeSharedPtr pShape( new DrawShape(xShape,
+                                                     xContainingPage,
+                                                     nPrio,
+                                                     rGraphic,
+                                                     rContext) );
+
+            if( pShape->hasIntrinsicAnimation() )
+            {
+                OSL_ASSERT( !pShape->maAnimationFrames.empty() );
+
+                std::vector<double> aTimeout;
+                std::transform(
+                    pShape->maAnimationFrames.begin(),
+                    pShape->maAnimationFrames.end(),
+                    std::back_insert_iterator< std::vector<double> >( aTimeout ),
+                    std::mem_fn(&MtfAnimationFrame::getDuration) );
+
+                WakeupEventSharedPtr pWakeupEvent =
+                    std::make_shared<WakeupEvent>( rContext.mrEventQueue.getTimer(),
+                                     rContext.mrActivitiesQueue );
+
+                ActivitySharedPtr pActivity =
+                    createIntrinsicAnimationActivity(
+                        rContext,
+                        pShape,
+                        pWakeupEvent,
+                        std::move(aTimeout),
+                        pShape->mnAnimationLoopCount);
+
+                pWakeupEvent->setActivity( pActivity );
+                pShape->mpIntrinsicAnimationActivity = pActivity;
+            }
+
+            OSL_ENSURE( !pShape->hasHyperlinks(),
+                        "DrawShape::create(): graphic-only shapes must not have hyperlinks!" );
+
+            return pShape;
+        }
+
+        DrawShape::~DrawShape()
+        {
+            try
+            {
+                // dispose intrinsic animation activity, else, it will
+                // linger forever
+                ActivitySharedPtr pActivity( mpIntrinsicAnimationActivity.lock() );
+                if( pActivity )
+                    pActivity->dispose();
+            }
+            catch (uno::Exception const &)
+            {
+                DBG_UNHANDLED_EXCEPTION("slideshow");
+            }
+        }
+
+        uno::Reference< drawing::XShape > DrawShape::getXShape() const
+        {
+            return mxShape;
+        }
+
+        void DrawShape::addViewLayer( const ViewLayerSharedPtr& rNewLayer,
+                                      bool                      bRedrawLayer )
+        {
+            // already added?
+            if( ::std::any_of( maViewShapes.begin(),
+                               maViewShapes.end(),
+                               [&rNewLayer]
+                               ( const ViewShapeSharedPtr& pShape )
+                               { return rNewLayer == pShape->getViewLayer(); } ) )
+            {
+                // yes, nothing to do
+                return;
+            }
+
+            ViewShapeSharedPtr pNewShape = std::make_shared<ViewShape>( rNewLayer );
+
+            maViewShapes.push_back( pNewShape );
+
+            // pass on animation state
+            if( mnIsAnimatedCount )
+            {
+                for( int i=0; i<mnIsAnimatedCount; ++i )
+                    pNewShape->enterAnimationMode();
+            }
+
+            // render the Shape on the newly added ViewLayer
+            if( bRedrawLayer )
+            {
+                pNewShape->update( mpCurrMtf,
+                                   getViewRenderArgs(),
+                                   UpdateFlags::Force,
+                                   isVisible() );
+            }
+        }
+
+        bool DrawShape::removeViewLayer( const ViewLayerSharedPtr& rLayer )
+        {
+            const ViewShapeVector::iterator aEnd( maViewShapes.end() );
+
+            OSL_ENSURE( ::std::count_if(maViewShapes.begin(),
+                                        aEnd,
+                                        [&rLayer]
+                                        ( const ViewShapeSharedPtr& pShape )
+                                        { return rLayer == pShape->getViewLayer(); } ) < 2,
+                        "DrawShape::removeViewLayer(): Duplicate ViewLayer entries!" );
+
+            ViewShapeVector::iterator aIter;
+
+            if( (aIter=::std::remove_if( maViewShapes.begin(),
+                                         aEnd,
+                                         [&rLayer]
+                                         ( const ViewShapeSharedPtr& pShape )
+                                         { return rLayer == pShape->getViewLayer(); } ) )  == aEnd )
+            {
+                // view layer seemingly was not added, failed
+                return false;
+            }
+
+            // actually erase from container
+            maViewShapes.erase( aIter, aEnd );
+
+            return true;
+        }
+
+        void DrawShape::clearAllViewLayers()
+        {
+            maViewShapes.clear();
+        }
+
+        bool DrawShape::update() const
+        {
+            if( mbForceUpdate )
+            {
+                return render();
+            }
+            else
+            {
+                return implRender( getUpdateFlags() );
+            }
+        }
+
+        bool DrawShape::render() const
+        {
+            // force redraw. Have to also pass on the update flags,
+            // because e.g. content update (regeneration of the
+            // metafile renderer) is normally not performed. A simple
+            // UpdateFlags::Force would only paint the metafile in its
+            // old state.
+            return implRender( UpdateFlags::Force | getUpdateFlags() );
+        }
+
+        bool DrawShape::isContentChanged() const
+        {
+            return mbForceUpdate ||
+                getUpdateFlags() != UpdateFlags::NONE;
+        }
+
+
+        ::basegfx::B2DRectangle DrawShape::getBounds() const
+        {
+            // little optimization: for non-modified shapes, we don't
+            // create an ShapeAttributeStack, and therefore also don't
+            // have to check it.
+            return getShapePosSize( maBounds,
+                                    mpAttributeLayer );
+        }
+
+        ::basegfx::B2DRectangle DrawShape::getDomBounds() const
+        {
+            return maBounds;
+        }
+
+        ::basegfx::B2DRectangle DrawShape::getUpdateArea() const
+        {
+            ::basegfx::B2DRectangle aBounds;
+
+            // an already empty shape bound need no further
+            // treatment. In fact, any changes applied below would
+            // actually remove the special empty state, thus, don't
+            // change!
+            if( !maBounds.isEmpty() )
+            {
+                basegfx::B2DRectangle aUnitBounds(0.0,0.0,1.0,1.0);
+
+                if( !maViewShapes.empty() )
+                    aUnitBounds = getActualUnitShapeBounds();
+
+                if( !aUnitBounds.isEmpty() )
+                {
+                    if( mpAttributeLayer )
+                    {
+                        // calc actual shape area (in user coordinate
+                        // space) from the transformation as given by the
+                        // shape attribute layer
+                        aBounds = getShapeUpdateArea( aUnitBounds,
+                                                      getShapeTransformation( getBounds(),
+                                                                              mpAttributeLayer ),
+                                                      mpAttributeLayer );
+                    }
+                    else
+                    {
+                        // no attribute layer, thus, the true shape bounds
+                        // can be directly derived from the XShape bound
+                        // attribute
+                        aBounds = getShapeUpdateArea( aUnitBounds,
+                                                      maBounds );
+                    }
+
+                    if( !maViewShapes.empty() )
+                    {
+                        // determine border needed for antialiasing the shape
+                        ::basegfx::B2DSize aAABorder(0.0,0.0);
+
+                        // for every view, get AA border and 'expand' aAABorder
+                        // appropriately.
+                        for( const auto& rViewShape : maViewShapes )
+                        {
+                            const ::basegfx::B2DSize rShapeBorder( rViewShape->getAntialiasingBorder() );
+
+                            aAABorder.setX( ::std::max(
+                                    rShapeBorder.getX(),
+                                    aAABorder.getX() ) );
+                            aAABorder.setY( ::std::max(
+                                    rShapeBorder.getY(),
+                                    aAABorder.getY() ) );
+                        }
+
+                        // add calculated AA border to aBounds
+                        aBounds = ::basegfx::B2DRectangle( aBounds.getMinX() - aAABorder.getX(),
+                                                           aBounds.getMinY() - aAABorder.getY(),
+                                                           aBounds.getMaxX() + aAABorder.getX(),
+                                                           aBounds.getMaxY() + aAABorder.getY() );
+                    }
+                }
+            }
+
+            return aBounds;
+        }
+
+        bool DrawShape::isVisible() const
+        {
+            bool bIsVisible( mbIsVisible );
+
+            if( mpAttributeLayer )
+            {
+                // check whether visibility and alpha are not default
+                // (mpAttributeLayer->isVisibilityValid() returns true
+                // then): bVisible becomes true, if shape visibility
+                // is on and alpha is not 0.0 (fully transparent)
+                if( mpAttributeLayer->isVisibilityValid() )
+                    bIsVisible = mpAttributeLayer->getVisibility();
+
+                // only touch bIsVisible, if the shape is still
+                // visible - if getVisibility already made us
+                // invisible, no alpha value will make us appear
+                // again.
+                if( bIsVisible && mpAttributeLayer->isAlphaValid() )
+                    bIsVisible = !::basegfx::fTools::equalZero( mpAttributeLayer->getAlpha() );
+            }
+
+            return bIsVisible;
+        }
+
+        double DrawShape::getPriority() const
+        {
+            return mnPriority;
+        }
+
+        bool DrawShape::isBackgroundDetached() const
+        {
+            return mnIsAnimatedCount > 0;
+        }
+
+        bool DrawShape::hasIntrinsicAnimation() const
+        {
+            return (!maAnimationFrames.empty() || mbDrawingLayerAnim);
+        }
+
+        void DrawShape::setIntrinsicAnimationFrame( ::std::size_t nCurrFrame )
+        {
+            ENSURE_OR_RETURN_VOID( nCurrFrame < maAnimationFrames.size(),
+                               "DrawShape::setIntrinsicAnimationFrame(): frame index out of bounds" );
+
+            if( mnCurrFrame != nCurrFrame )
+            {
+                mnCurrFrame   = nCurrFrame;
+                mpCurrMtf     = maAnimationFrames[ mnCurrFrame ].mpMtf;
+                mbForceUpdate = true;
+            }
+        }
+
+        // hyperlink support
+        void DrawShape::prepareHyperlinkIndices() const
+        {
+            if ( !maHyperlinkIndices.empty())
+            {
+                maHyperlinkIndices.clear();
+                maHyperlinkRegions.clear();
+            }
+
+            sal_Int32 nIndex = 0;
+            for ( MetaAction * pCurrAct = mpCurrMtf->FirstAction();
+                  pCurrAct != nullptr; pCurrAct = mpCurrMtf->NextAction() )
+            {
+                if (pCurrAct->GetType() == MetaActionType::COMMENT) {
+                    MetaCommentAction * pAct =
+                        static_cast<MetaCommentAction *>(pCurrAct);
+                    // skip comment if not a special XTEXT comment
+                    if (pAct->GetComment().equalsIgnoreAsciiCase("FIELD_SEQ_BEGIN") &&
+                        // e.g. date field doesn't have data!
+                        // currently assuming that only url field, this is
+                        // somehow fragile! xxx todo if possible
+                        pAct->GetData() != nullptr &&
+                        pAct->GetDataSize() > 0)
+                    {
+                        if (!maHyperlinkIndices.empty() &&
+                            maHyperlinkIndices.back().second == -1) {
+                            SAL_WARN( "slideshow", "### pending FIELD_SEQ_END!" );
+                            maHyperlinkIndices.pop_back();
+                            maHyperlinkRegions.pop_back();
+                        }
+                        maHyperlinkIndices.emplace_back( nIndex + 1,
+                                                -1 /* to be filled below */ );
+                        maHyperlinkRegions.emplace_back(
+                                basegfx::B2DRectangle(),
+                                OUString(
+                                    reinterpret_cast<sal_Unicode const*>(
+                                        pAct->GetData()),
+                                    pAct->GetDataSize() / sizeof(sal_Unicode) )
+                                );
+                    }
+                    else if (pAct->GetComment().equalsIgnoreAsciiCase("FIELD_SEQ_END") &&
+                             // pending end is expected:
+                             !maHyperlinkIndices.empty() &&
+                             maHyperlinkIndices.back().second == -1)
+                    {
+                        maHyperlinkIndices.back().second = nIndex;
+                    }
+                    else if (pAct->GetComment().equalsIgnoreAsciiCase("FIELD_SEQ_BEGIN;PageField"))
+                    {
+                        mbContainsPageField = true;
+                    }
+                    ++nIndex;
+                }
+                else
+                    nIndex += getNextActionOffset(pCurrAct);
+            }
+            if (!maHyperlinkIndices.empty() &&
+                maHyperlinkIndices.back().second == -1) {
+                SAL_WARN( "slideshow", "### pending FIELD_SEQ_END!" );
+                maHyperlinkIndices.pop_back();
+                maHyperlinkRegions.pop_back();
+            }
+            OSL_ASSERT( maHyperlinkIndices.size() == maHyperlinkRegions.size());
+        }
+
+        bool DrawShape::hasHyperlinks() const
+        {
+            return ! maHyperlinkRegions.empty();
+        }
+
+        HyperlinkArea::HyperlinkRegions DrawShape::getHyperlinkRegions() const
+        {
+            OSL_ASSERT( !maViewShapes.empty() );
+
+            if( !isVisible() )
+                return HyperlinkArea::HyperlinkRegions();
+
+            // late init, determine regions:
+            if( !maHyperlinkRegions.empty() &&
+                !maViewShapes.empty() &&
+                // region already inited?
+                maHyperlinkRegions.front().first.getWidth() == 0 &&
+                maHyperlinkRegions.front().first.getHeight() == 0 &&
+                maHyperlinkRegions.size() == maHyperlinkIndices.size() )
+            {
+                // TODO(Q2): Although this _is_ currently
+                // view-agnostic, it might not stay like that.
+                ViewShapeSharedPtr const& pViewShape = maViewShapes.front();
+                cppcanvas::CanvasSharedPtr const pCanvas(
+                    pViewShape->getViewLayer()->getCanvas() );
+
+                // reuse Renderer of first view shape:
+                cppcanvas::RendererSharedPtr const pRenderer(
+                    pViewShape->getRenderer(
+                        pCanvas, mpCurrMtf, mpAttributeLayer ) );
+
+                OSL_ASSERT( pRenderer );
+
+                if (pRenderer)
+                {
+                    basegfx::B2DHomMatrix const aOldTransform(
+                        pCanvas->getTransformation() );
+                    basegfx::B2DHomMatrix aTransform;
+                    pCanvas->setTransformation( aTransform /* empty */ );
+
+
+                    ::cppcanvas::Canvas* pTmpCanvas = pCanvas.get();
+                    comphelper::ScopeGuard const resetOldTransformation(
+                        [&aOldTransform, &pTmpCanvas]()
+                        { return pTmpCanvas->setTransformation( aOldTransform ); } );
+
+                    aTransform.scale( maBounds.getWidth(),
+                                      maBounds.getHeight() );
+                    pRenderer->setTransformation( aTransform );
+                    pRenderer->setClip();
+
+                    for( std::size_t pos = maHyperlinkRegions.size(); pos--; )
+                    {
+                        // get region:
+                        HyperlinkIndexPair const& rIndices = maHyperlinkIndices[pos];
+                        basegfx::B2DRectangle const region(
+                            pRenderer->getSubsetArea( rIndices.first,
+                                                      rIndices.second ));
+                        maHyperlinkRegions[pos].first = region;
+                    }
+                }
+            }
+
+            // shift shape-relative hyperlink regions to
+            // slide-absolute position
+
+            HyperlinkRegions aTranslatedRegions;
+
+            // increase capacity to same size as the container for
+            // shape-relative hyperlink regions to avoid reallocation
+            aTranslatedRegions.reserve( maHyperlinkRegions.size() );
+            const basegfx::B2DPoint& rOffset(getBounds().getMinimum());
+            for( const auto& cp : maHyperlinkRegions )
+            {
+                basegfx::B2DRange const& relRegion( cp.first );
+                aTranslatedRegions.emplace_back(
+                        basegfx::B2DRange(
+                            relRegion.getMinimum() + rOffset,
+                            relRegion.getMaximum() + rOffset),
+                        cp.second );
+            }
+
+            return aTranslatedRegions;
+        }
+
+        double DrawShape::getHyperlinkPriority() const
+        {
+            return getPriority();
+        }
+
+
+        // AnimatableShape methods
+
+
+        void DrawShape::enterAnimationMode()
+        {
+            OSL_ENSURE( !maViewShapes.empty(),
+                        "DrawShape::enterAnimationMode(): called on DrawShape without views" );
+
+            if( mnIsAnimatedCount == 0 )
+            {
+                // notify all ViewShapes, by calling their enterAnimationMode method.
+                // We're now entering animation mode
+                for( const auto& rViewShape : maViewShapes )
+                    rViewShape->enterAnimationMode();
+            }
+
+            ++mnIsAnimatedCount;
+        }
+
+        void DrawShape::leaveAnimationMode()
+        {
+            OSL_ENSURE( !maViewShapes.empty(),
+                        "DrawShape::leaveAnimationMode(): called on DrawShape without views" );
+
+            --mnIsAnimatedCount;
+
+            if( mnIsAnimatedCount == 0 )
+            {
+                // notify all ViewShapes, by calling their leaveAnimationMode method.
+                // we're now leaving animation mode
+                for( const auto& rViewShape : maViewShapes )
+                    rViewShape->leaveAnimationMode();
+            }
+        }
+
+
+        // AttributableShape methods
+
+
+        ShapeAttributeLayerSharedPtr DrawShape::createAttributeLayer()
+        {
+            // create new layer, with last as its new child
+            mpAttributeLayer = std::make_shared<ShapeAttributeLayer>( mpAttributeLayer );
+
+            // Update the local state ids to reflect those of the new layer.
+            updateStateIds();
+
+            return mpAttributeLayer;
+        }
+
+        bool DrawShape::revokeAttributeLayer( const ShapeAttributeLayerSharedPtr& rLayer )
+        {
+            if( !mpAttributeLayer )
+                return false; // no layers
+
+            if( mpAttributeLayer == rLayer )
+            {
+                // it's the toplevel layer
+                mpAttributeLayer = mpAttributeLayer->getChildLayer();
+
+                // force content redraw, all state variables have
+                // possibly changed
+                mbAttributeLayerRevoked = true;
+
+                return true;
+            }
+            else
+            {
+                // pass on to the layer, to try its children
+                return mpAttributeLayer->revokeChildLayer( rLayer );
+            }
+        }
+
+        ShapeAttributeLayerSharedPtr DrawShape::getTopmostAttributeLayer() const
+        {
+            return mpAttributeLayer;
+        }
+
+        void DrawShape::setVisibility( bool bVisible )
+        {
+            if( mbIsVisible != bVisible )
+            {
+                mbIsVisible = bVisible;
+                mbForceUpdate = true;
+            }
+        }
+
+        const DocTreeNodeSupplier& DrawShape::getTreeNodeSupplier() const
+        {
+            return *this;
+        }
+
+        DocTreeNodeSupplier& DrawShape::getTreeNodeSupplier()
+        {
+            return *this;
+        }
+
+        DocTreeNode DrawShape::getSubsetNode() const
+        {
+            // forward to delegate
+            return maSubsetting.getSubsetNode();
+        }
+
+        AttributableShapeSharedPtr DrawShape::getSubset( const DocTreeNode& rTreeNode ) const
+        {
+            // forward to delegate
+            return maSubsetting.getSubsetShape( rTreeNode );
+        }
+
+        bool DrawShape::createSubset( AttributableShapeSharedPtr&   o_rSubset,
+                                      const DocTreeNode&            rTreeNode )
+        {
+            // subset shape already created for this DocTreeNode?
+            AttributableShapeSharedPtr pSubset( maSubsetting.getSubsetShape( rTreeNode ) );
+
+            // when true, this method has created a new subset
+            // DrawShape
+            bool bNewlyCreated( false );
+
+            if( pSubset )
+            {
+                o_rSubset = pSubset;
+
+                // reusing existing subset
+            }
+            else
+            {
+                // not yet created, init entry
+                o_rSubset.reset( new DrawShape( *this,
+                                                rTreeNode,
+                                                // TODO(Q3): That's a
+                                                // hack. We assume
+                                                // that start and end
+                                                // index will always
+                                                // be less than 65535
+                                                mnPriority +
+                                                rTreeNode.getStartIndex()/double(SAL_MAX_INT16) ));
+
+                bNewlyCreated = true; // subset newly created
+            }
+
+            // always register shape at DrawShapeSubsetting, to keep
+            // refcount up-to-date
+            maSubsetting.addSubsetShape( o_rSubset );
+
+            // flush bounds cache
+            maCurrentShapeUnitBounds.reset();
+
+            return bNewlyCreated;
+        }
+
+        bool DrawShape::revokeSubset( const AttributableShapeSharedPtr& rShape )
+        {
+            // flush bounds cache
+            maCurrentShapeUnitBounds.reset();
+
+            // forward to delegate
+            if( maSubsetting.revokeSubsetShape( rShape ) )
+            {
+                // force redraw, our content has possibly changed (as
+                // one of the subsets now display within our shape
+                // again).
+                mbForceUpdate = true;
+
+                // #i47428# TEMP FIX: synchronize visibility of subset
+                // with parent.
+
+                // TODO(F3): Remove here, and implement
+                // TEXT_ONLY/BACKGROUND_ONLY with the proverbial
+                // additional level of indirection: create a
+                // persistent subset, containing all text/only the
+                // background respectively. From _that_ object,
+                // generate the temporary character subset shapes.
+                const ShapeAttributeLayerSharedPtr& rAttrLayer(
+                    rShape->getTopmostAttributeLayer() );
+                if( rAttrLayer &&
+                    rAttrLayer->isVisibilityValid() &&
+                    rAttrLayer->getVisibility() != isVisible() )
+                {
+                    const bool bVisibility( rAttrLayer->getVisibility() );
+
+                    // visibilities differ - adjust ours, then
+                    if( mpAttributeLayer )
+                        mpAttributeLayer->setVisibility( bVisibility );
+                    else
+                        mbIsVisible = bVisibility;
+                }
+
+                // END TEMP FIX
+
+                return true;
+            }
+
+            return false;
+        }
+
+        sal_Int32 DrawShape::getNumberOfTreeNodes( DocTreeNode::NodeType eNodeType ) const // throw ShapeLoadFailedException
+        {
+            return maSubsetting.getNumberOfTreeNodes( eNodeType );
+        }
+
+        DocTreeNode DrawShape::getTreeNode( sal_Int32               nNodeIndex,
+                                            DocTreeNode::NodeType   eNodeType ) const // throw ShapeLoadFailedException
+        {
+            if ( hasHyperlinks())
+            {
+                prepareHyperlinkIndices();
+            }
+
+            return maSubsetting.getTreeNode( nNodeIndex, eNodeType );
+        }
+
+        sal_Int32 DrawShape::getNumberOfSubsetTreeNodes ( const DocTreeNode&    rParentNode,
+                                                          DocTreeNode::NodeType eNodeType ) const // throw ShapeLoadFailedException
+        {
+            return maSubsetting.getNumberOfSubsetTreeNodes( rParentNode, eNodeType );
+        }
+
+        DocTreeNode DrawShape::getSubsetTreeNode( const DocTreeNode&    rParentNode,
+                                                  sal_Int32             nNodeIndex,
+                                                  DocTreeNode::NodeType eNodeType ) const // throw ShapeLoadFailedException
+        {
+            return maSubsetting.getSubsetTreeNode( rParentNode, nNodeIndex, eNodeType );
+        }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/drawshape.hxx b/slideshow/source/engine/shapes/drawshape.hxx
new file mode 100644
index 000000000..8636a7acd
--- /dev/null
+++ b/slideshow/source/engine/shapes/drawshape.hxx
@@ -0,0 +1,360 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_DRAWSHAPE_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_DRAWSHAPE_HXX
+
+#include <osl/diagnose.hxx>
+#include <com/sun/star/drawing/XShape.hpp>
+
+#include <attributableshape.hxx>
+#include <doctreenodesupplier.hxx>
+#include "drawshapesubsetting.hxx"
+#include "gdimtftools.hxx"
+#include "viewshape.hxx"
+#include <hyperlinkarea.hxx>
+
+#include <optional>
+#include <vector>
+
+class Graphic;
+
+namespace slideshow::internal
+    {
+        class  Activity;
+        struct SlideShowContext;
+        class  DrawShapeSubsetting;
+        class  DrawShape;
+        typedef ::std::shared_ptr< DrawShape > DrawShapeSharedPtr;
+
+        /** This class is the representation of a draw document's
+            XShape, and implements the Shape, AnimatableShape, and
+            AttributableShape interfaces.
+
+            @attention this class is to be treated 'final', i.e. one
+            should not derive from it.
+         */
+        class DrawShape : public AttributableShape,
+                          public DocTreeNodeSupplier,
+                          public HyperlinkArea,
+                          public ::osl::DebugBase<DrawShape>
+        {
+        public:
+            /** Create a shape for the given XShape
+
+                @param xShape
+                The XShape to represent.
+
+                @param xContainingPage
+                The page that contains this shape. Needed for proper
+                import (currently, the UnoGraphicExporter needs this
+                information).
+
+                @param nPrio
+                Externally-determined shape priority (used e.g. for
+                paint ordering). This number _must be_ unique!
+
+                @param bForeignSource
+                When true, the source of the shape metafile might be a
+                foreign application. The metafile is checked against
+                unsupported content, and, if necessary, returned as a
+                pre-rendered bitmap.
+             */
+            static DrawShapeSharedPtr create(
+                const css::uno::Reference< css::drawing::XShape >&    xShape,
+                const css::uno::Reference< css::drawing::XDrawPage >& xContainingPage,
+                double                                     nPrio,
+                bool                                       bForeignSource,
+                const SlideShowContext&                    rContext ); // throw ShapeLoadFailedException;
+
+            /** Create a shape for the given XShape and graphic content
+
+                @param xShape
+                The XShape to represent.
+
+                @param xContainingPage
+                The page that contains this shape. Needed for proper
+                import (currently, the UnoGraphicExporter needs this
+                information).
+
+                @param nPrio
+                Externally-determined shape priority (used e.g. for
+                paint ordering). This number _must be_ unique!
+
+                @param rGraphic
+                Graphic to display in the shape's bound rect. If this
+                Graphic contains animatable content, the created
+                DrawShape will register itself for intrinsic animation
+                events.
+             */
+            static DrawShapeSharedPtr create(
+                const css::uno::Reference< css::drawing::XShape >&    xShape,
+                const css::uno::Reference< css::drawing::XDrawPage >& xContainingPage,
+                double                                     nPrio,
+                const Graphic&                             rGraphic,
+                const SlideShowContext&                    rContext ); // throw ShapeLoadFailedException;
+
+            virtual css::uno::Reference< css::drawing::XShape > getXShape() const override;
+
+            virtual ~DrawShape() override;
+
+
+            // View layer methods
+
+
+            virtual void addViewLayer( const ViewLayerSharedPtr&    rNewLayer,
+                                       bool                         bRedrawLayer ) override;
+            virtual bool removeViewLayer( const ViewLayerSharedPtr& rNewLayer ) override;
+            virtual void clearAllViewLayers() override;
+
+            // attribute methods
+
+
+            virtual ShapeAttributeLayerSharedPtr createAttributeLayer() override;
+            virtual bool revokeAttributeLayer( const ShapeAttributeLayerSharedPtr& rLayer ) override;
+            virtual ShapeAttributeLayerSharedPtr getTopmostAttributeLayer() const override;
+            virtual void setVisibility( bool bVisible ) override;
+            virtual ::basegfx::B2DRectangle getBounds() const override;
+            virtual ::basegfx::B2DRectangle getDomBounds() const override;
+            virtual ::basegfx::B2DRectangle getUpdateArea() const override;
+            virtual bool isVisible() const override;
+            virtual double getPriority() const override;
+
+
+            // animation methods
+
+
+            virtual void enterAnimationMode() override;
+            virtual void leaveAnimationMode() override;
+            virtual bool isBackgroundDetached() const override;
+
+            // render methods
+
+
+            virtual bool update() const override;
+            virtual bool render() const override;
+            virtual bool isContentChanged() const override;
+
+            // Sub item specialities
+
+
+            virtual const DocTreeNodeSupplier&  getTreeNodeSupplier() const override;
+            virtual DocTreeNodeSupplier&        getTreeNodeSupplier() override;
+
+            virtual DocTreeNode                 getSubsetNode() const override;
+            virtual AttributableShapeSharedPtr  getSubset( const DocTreeNode& rTreeNode ) const override;
+            virtual bool                        createSubset( AttributableShapeSharedPtr&   o_rSubset,
+                                                              const DocTreeNode&            rTreeNode ) override;
+            virtual bool                        revokeSubset( const AttributableShapeSharedPtr& rShape ) override;
+
+
+            // DocTreeNodeSupplier methods
+
+
+            virtual sal_Int32   getNumberOfTreeNodes        ( DocTreeNode::NodeType eNodeType ) const override; // throw ShapeLoadFailedException;
+            virtual DocTreeNode getTreeNode                 ( sal_Int32             nNodeIndex,
+                                                              DocTreeNode::NodeType eNodeType ) const override; // throw ShapeLoadFailedException;
+            virtual sal_Int32   getNumberOfSubsetTreeNodes  ( const DocTreeNode&    rParentNode,
+                                                              DocTreeNode::NodeType eNodeType ) const override; // throw ShapeLoadFailedException;
+            virtual DocTreeNode getSubsetTreeNode           ( const DocTreeNode&    rParentNode,
+                                                              sal_Int32             nNodeIndex,
+                                                              DocTreeNode::NodeType eNodeType ) const override; // throw ShapeLoadFailedException;
+
+            // HyperlinkArea methods
+
+
+            virtual HyperlinkRegions getHyperlinkRegions() const override;
+            virtual double getHyperlinkPriority() const override;
+
+
+            // intrinsic animation methods
+
+
+            /** Display next frame of an intrinsic animation.
+
+                Used by IntrinsicAnimationActivity, to show the next
+                animation frame.
+             */
+            void setIntrinsicAnimationFrame( ::std::size_t nCurrFrame );
+
+            /** forces the drawshape to load and return a specially
+                crafted metafile, usable to display drawing layer text
+                animations.
+            */
+            GDIMetaFileSharedPtr const & forceScrollTextMetaFile();
+
+        private:
+            /** Create a shape for the given XShape
+
+                @param xShape
+                The XShape to represent.
+
+                @param xContainingPage
+                The page that contains this shape. Needed for proper
+                import (currently, the UnoGraphicExporter needs this
+                information).
+
+                @param nPrio
+                Externally-determined shape priority (used e.g. for
+                paint ordering). This number _must be_ unique!
+
+                @param bForeignSource
+                When true, the source of the shape metafile might be a
+                foreign application. The metafile is checked against
+                unsupported content, and, if necessary, returned as a
+                pre-rendered bitmap.
+             */
+            DrawShape( const css::uno::Reference<
+                            css::drawing::XShape >&    xShape,
+                       const css::uno::Reference<
+                            css::drawing::XDrawPage >& xContainingPage,
+                       double                                       nPrio,
+                       bool                                         bForeignSource,
+                       const SlideShowContext&                      rContext ); // throw ShapeLoadFailedException;
+
+            /** Create a shape for the given XShape and graphic content
+
+                @param xShape
+                The XShape to represent.
+
+                @param xContainingPage
+                The page that contains this shape. Needed for proper
+                import (currently, the UnoGraphicExporter needs this
+                information).
+
+                @param nPrio
+                Externally-determined shape priority (used e.g. for
+                paint ordering). This number _must be_ unique!
+
+                @param rGraphic
+                Graphic to display in the shape's bound rect. If this
+                Graphic contains animatable content, the created
+                DrawShape will register itself for intrinsic animation
+                events.
+             */
+            DrawShape( const css::uno::Reference< css::drawing::XShape >&    xShape,
+                       const css::uno::Reference< css::drawing::XDrawPage >& xContainingPage,
+                       double                                       nPrio,
+                       const Graphic&                               rGraphic,
+                       const SlideShowContext&                      rContext ); // throw ShapeLoadFailedException;
+
+            /** Private copy constructor
+
+                Used to create subsetted shapes
+             */
+            DrawShape( const DrawShape&, const DocTreeNode& rTreeNode, double nPrio );
+
+            UpdateFlags getUpdateFlags() const;
+            bool implRender( UpdateFlags nUpdateFlags ) const;
+            void updateStateIds() const;
+
+            ViewShape::RenderArgs   getViewRenderArgs() const;
+            ::basegfx::B2DRectangle getActualUnitShapeBounds() const;
+
+            bool hasIntrinsicAnimation() const;
+            bool hasHyperlinks() const;
+            void prepareHyperlinkIndices() const;
+
+            /// The associated XShape
+            css::uno::Reference< css::drawing::XShape >                             mxShape;
+            css::uno::Reference< css::drawing::XDrawPage >                          mxPage;
+
+            /** A vector of metafiles actually representing the Shape.
+
+                If this shape is not animated, only a single entry is
+                available.
+             */
+            mutable VectorOfMtfAnimationFrames                                      maAnimationFrames;
+            ::std::size_t                                                           mnCurrFrame;
+
+            /// Metafile of currently active frame (static for shapes w/o intrinsic animation)
+            mutable GDIMetaFileSharedPtr                                            mpCurrMtf;
+
+            /// loadflags of current meta file
+            mutable int                                                             mnCurrMtfLoadFlags;
+
+            /// Contains the current shape bounds, in unit rect space
+            mutable ::std::optional<basegfx::B2DRectangle>                        maCurrentShapeUnitBounds;
+
+            // The attributes of this Shape
+            const double                                                            mnPriority;
+            ::basegfx::B2DRectangle                                                 maBounds; // always needed for rendering.
+                                                                                              // for subset shapes, this member
+                                                                                              // might change when views are
+                                                                                              // added, as minimal bounds are
+                                                                                              // calculated
+
+            // Pointer to modifiable shape attributes
+            ShapeAttributeLayerSharedPtr                                            mpAttributeLayer; // only created lazily
+
+            // held here, to signal our destruction
+            std::weak_ptr<Activity>                                               mpIntrinsicAnimationActivity;
+
+            // The attribute states, to detect attribute changes,
+            // without buffering and querying each single attribute
+            mutable State::StateId                                                  mnAttributeTransformationState;
+            mutable State::StateId                                                  mnAttributeClipState;
+            mutable State::StateId                                                  mnAttributeAlphaState;
+            mutable State::StateId                                                  mnAttributePositionState;
+            mutable State::StateId                                                  mnAttributeContentState;
+            mutable State::StateId                                                  mnAttributeVisibilityState;
+
+            /// the list of active view shapes (one for each registered view layer)
+            typedef ::std::vector< ViewShapeSharedPtr > ViewShapeVector;
+            ViewShapeVector                                                         maViewShapes;
+
+            css::uno::Reference< css::uno::XComponentContext>                       mxComponentContext;
+
+            /// hyperlink support
+            typedef ::std::pair<sal_Int32 /* mtf start */,
+                                sal_Int32 /* mtf end */> HyperlinkIndexPair;
+            typedef ::std::vector<HyperlinkIndexPair> HyperlinkIndexPairVector;
+            mutable HyperlinkIndexPairVector                                        maHyperlinkIndices;
+            mutable HyperlinkRegions                                                maHyperlinkRegions;
+
+            /// Delegated subset handling
+            mutable DrawShapeSubsetting                                             maSubsetting;
+
+            /// Whether this shape is currently in animation mode (value != 0)
+            int                                                                     mnIsAnimatedCount;
+
+            /// Number of times the bitmap animation shall loop
+            sal_uInt32                                                              mnAnimationLoopCount;
+
+            /// Whether shape is visible (without attribute layers)
+            bool                                                                    mbIsVisible;
+
+            /// Whether redraw is necessary, regardless of state ids
+            mutable bool                                                            mbForceUpdate;
+
+            /// Whether attribute layer was revoked (making a redraw necessary)
+            mutable bool                                                            mbAttributeLayerRevoked;
+
+            /// whether a drawing layer animation has to be performed
+            bool                                                                    mbDrawingLayerAnim;
+
+            /// tdf#150402 wether mpCurrMtf contains any Text with a PageField ("FIELD_SEQ_BEGIN;PageField")
+            mutable bool                                                            mbContainsPageField;
+        };
+
+}
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_DRAWSHAPE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/drawshapesubsetting.cxx b/slideshow/source/engine/shapes/drawshapesubsetting.cxx
new file mode 100644
index 000000000..fac2e2b57
--- /dev/null
+++ b/slideshow/source/engine/shapes/drawshapesubsetting.cxx
@@ -0,0 +1,808 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <o3tl/safeint.hxx>
+#include <tools/diagnose_ex.h>
+
+#include <sal/log.hxx>
+#include <utility>
+#include <vcl/metaact.hxx>
+#include <vcl/gdimtf.hxx>
+
+#include "drawshapesubsetting.hxx"
+#include "gdimtftools.hxx"
+
+#include <algorithm>
+
+using namespace ::com::sun::star;
+
+
+namespace slideshow::internal
+{
+
+
+        // Private methods
+
+
+        void DrawShapeSubsetting::ensureInitializedNodeTree() const
+        {
+            ENSURE_OR_THROW( mpMtf,
+                              "DrawShapeSubsetting::ensureInitializedNodeTree(): Invalid mtf" );
+
+            if( mbNodeTreeInitialized )
+                return; // done, already initialized.
+
+            // init doctree vector
+            maActionClassVector.clear();
+            maActionClassVector.reserve( mpMtf->GetActionSize() );
+
+            // search metafile for text output
+            MetaAction* pCurrAct;
+
+            sal_Int32 nActionIndex(0);
+            sal_Int32 nLastTextActionIndex(0);
+            for( pCurrAct = mpMtf->FirstAction(); pCurrAct; pCurrAct = mpMtf->NextAction() )
+            {
+                // check for one of our special text doctree comments
+                switch( pCurrAct->GetType() )
+                {
+                    case MetaActionType::COMMENT:
+                    {
+                        MetaCommentAction* pAct = static_cast<MetaCommentAction*>(pCurrAct);
+
+                        // skip comment if not a special XTEXT... comment
+                        if( pAct->GetComment().matchIgnoreAsciiCase( "XTEXT" ) )
+                        {
+                            // fill classification vector with NOOPs,
+                            // then insert corresponding classes at
+                            // the given index
+                            maActionClassVector.resize( nActionIndex+1, CLASS_NOOP );
+
+                            if( pAct->GetComment().equalsIgnoreAsciiCase("XTEXT_EOC") )
+                            {
+                                // special, because can happen
+                                // in-between of portions - set
+                                // character-end classificator at
+                                // given index (relative to last text
+                                // action).
+                                const sal_Int32 nIndex( nLastTextActionIndex + pAct->GetValue() );
+
+                                ENSURE_OR_THROW( o3tl::make_unsigned(nIndex) < maActionClassVector.size(),
+                                                  "DrawShapeSubsetting::ensureInitializedNodeTree(): sentence index out of range" );
+
+                                maActionClassVector[ nIndex ] = CLASS_CHARACTER_CELL_END;
+                            }
+                            else if( pAct->GetComment().equalsIgnoreAsciiCase("XTEXT_EOW") )
+                            {
+                                // special, because can happen
+                                // in-between of portions - set
+                                // word-end classificator at given
+                                // index (relative to last text
+                                // action).
+                                const sal_Int32 nIndex( nLastTextActionIndex + pAct->GetValue() );
+
+                                ENSURE_OR_THROW( o3tl::make_unsigned(nIndex) < maActionClassVector.size(),
+                                                  "DrawShapeSubsetting::ensureInitializedNodeTree(): sentence index out of range" );
+
+                                maActionClassVector[ nIndex ] = CLASS_WORD_END;
+                            }
+                            else if( pAct->GetComment().equalsIgnoreAsciiCase("XTEXT_EOS") )
+                            {
+                                // special, because can happen
+                                // in-between of portions - set
+                                // sentence-end classificator at given
+                                // index (relative to last text
+                                // action).
+                                const sal_Int32 nIndex( nLastTextActionIndex + pAct->GetValue() );
+
+                                ENSURE_OR_THROW( o3tl::make_unsigned(nIndex) < maActionClassVector.size(),
+                                                  "DrawShapeSubsetting::ensureInitializedNodeTree(): sentence index out of range" );
+
+                                maActionClassVector[ nIndex ] = CLASS_SENTENCE_END;
+                            }
+                            else if( pAct->GetComment().equalsIgnoreAsciiCase("XTEXT_EOL") )
+                            {
+                                maActionClassVector[ nActionIndex ] = CLASS_LINE_END;
+                            }
+                            else if( pAct->GetComment().equalsIgnoreAsciiCase("XTEXT_EOP") )
+                            {
+                                maActionClassVector[ nActionIndex ] = CLASS_PARAGRAPH_END;
+                            }
+                            else if( pAct->GetComment().equalsIgnoreAsciiCase("XTEXT_PAINTSHAPE_END") )
+                            {
+                                maActionClassVector[ nActionIndex ] = CLASS_SHAPE_END;
+                            }
+                            else if( pAct->GetComment().equalsIgnoreAsciiCase("XTEXT_PAINTSHAPE_BEGIN") )
+                            {
+                                maActionClassVector[ nActionIndex ] = CLASS_SHAPE_START;
+                            }
+                        }
+                        SAL_INFO(
+                            "slideshow",
+                            "Shape text structure: " << pAct->GetComment()
+                                << " at action #" << nActionIndex);
+                        ++nActionIndex;
+                        break;
+                    }
+                    case MetaActionType::TEXT:
+                    case MetaActionType::TEXTARRAY:
+                    case MetaActionType::STRETCHTEXT:
+                        nLastTextActionIndex = nActionIndex;
+                        SAL_INFO("slideshow.verbose", "Shape text \"" <<
+                                 (static_cast<MetaTextAction*>(pCurrAct))->GetText() <<
+                                 "\" at action #" << nActionIndex );
+                        [[fallthrough]];
+                    default:
+                        // comment action and all actions not
+                        // explicitly handled here:
+                        nActionIndex += getNextActionOffset(pCurrAct);
+                        break;
+                }
+            }
+
+            mbNodeTreeInitialized = true;
+        }
+
+        void DrawShapeSubsetting::excludeSubset(sal_Int32 nExcludedStart, sal_Int32 nExcludedEnd)
+        {
+            // If current subsets are empty, fill it with initial range
+            initCurrentSubsets();
+            if (maCurrentSubsets.empty())
+            {
+                // Non-subsetting mode (not a subset of anything; child subsets subtract content)
+                maCurrentSubsets.emplace_back(0, maActionClassVector.size());
+            }
+
+            slideshow::internal::VectorOfDocTreeNodes aNodesToAppend;
+            for (auto i = maCurrentSubsets.begin(); i != maCurrentSubsets.end();)
+            {
+                if (i->getStartIndex() < nExcludedStart)
+                {
+                    if (i->getEndIndex() > nExcludedStart)
+                    {
+                        // Some overlap -> append new node (if required), and correct this node's end
+                        if (i->getEndIndex() > nExcludedEnd)
+                        {
+                            aNodesToAppend.emplace_back(nExcludedEnd, i->getEndIndex());
+                        }
+                        i->setEndIndex(nExcludedStart);
+                    }
+                    ++i;
+                }
+                else if (i->getStartIndex() < nExcludedEnd)
+                {
+                    if (i->getEndIndex() > nExcludedEnd)
+                    {
+                        // Partial overlap; change the node's start
+                        i->setStartIndex(nExcludedEnd);
+                        ++i;
+                    }
+                    else
+                    {
+                        // Node is fully inside the removed range: erase it
+                        i = maCurrentSubsets.erase(i);
+                    }
+                }
+                else
+                {
+                    // Node is fully outside (after) excluded range
+                    ++i;
+                }
+            }
+
+            maCurrentSubsets.insert(maCurrentSubsets.end(), aNodesToAppend.begin(),
+                                    aNodesToAppend.end());
+            // Excluding subsets must not leave an absolutely empty maCurrentSubsets, because it
+            // would mean "non-subsetting" mode unconditionally, with whole object added to subsets.
+            // So to indicate a subset with all parts excluded, add two empty subsets (starting and
+            // ending).
+            if (!maCurrentSubsets.empty())
+                return;
+
+            if (maSubset.isEmpty())
+            {
+                maCurrentSubsets.emplace_back(0, 0);
+                maCurrentSubsets.emplace_back(maActionClassVector.size(),
+                                              maActionClassVector.size());
+            }
+            else
+            {
+                maCurrentSubsets.emplace_back(maSubset.getStartIndex(),
+                                              maSubset.getStartIndex());
+                maCurrentSubsets.emplace_back(maSubset.getEndIndex(), maSubset.getEndIndex());
+            }
+        }
+
+        void DrawShapeSubsetting::updateSubsets()
+        {
+            maCurrentSubsets.clear();
+            initCurrentSubsets();
+
+            for (const auto& rSubsetShape : maSubsetShapes)
+            {
+                excludeSubset(rSubsetShape.mnStartActionIndex, rSubsetShape.mnEndActionIndex);
+            }
+        }
+
+
+        // Public methods
+
+
+        DrawShapeSubsetting::DrawShapeSubsetting() :
+            maActionClassVector(),
+            mpMtf(),
+            maSubset(),
+            maSubsetShapes(),
+            maCurrentSubsets(),
+            mbNodeTreeInitialized( false )
+        {
+        }
+
+        DrawShapeSubsetting::DrawShapeSubsetting( const DocTreeNode&            rShapeSubset,
+                                                  GDIMetaFileSharedPtr    rMtf ) :
+            maActionClassVector(),
+            mpMtf(std::move( rMtf )),
+            maSubset( rShapeSubset ),
+            maSubsetShapes(),
+            maCurrentSubsets(),
+            mbNodeTreeInitialized( false )
+        {
+            ENSURE_OR_THROW( mpMtf,
+                              "DrawShapeSubsetting::DrawShapeSubsetting(): Invalid metafile" );
+
+            initCurrentSubsets();
+        }
+
+        void DrawShapeSubsetting::reset()
+        {
+            maActionClassVector.clear();
+            mpMtf.reset();
+            maSubset.reset();
+            maSubsetShapes.clear();
+            maCurrentSubsets.clear();
+            mbNodeTreeInitialized = false;
+        }
+
+        void DrawShapeSubsetting::reset( const ::std::shared_ptr< GDIMetaFile >& rMtf )
+        {
+            reset();
+            mpMtf = rMtf;
+
+            initCurrentSubsets();
+        }
+
+        void DrawShapeSubsetting::initCurrentSubsets()
+        {
+            // only add subset to vector, if vector is empty, and subset is not empty - that's
+            // because the vector's content is later literally used
+            // for e.g. painting.
+            if (maCurrentSubsets.empty() && !maSubset.isEmpty())
+                maCurrentSubsets.push_back( maSubset );
+        }
+
+        const DocTreeNode& DrawShapeSubsetting::getSubsetNode() const
+        {
+            return maSubset;
+        }
+
+        AttributableShapeSharedPtr DrawShapeSubsetting::getSubsetShape( const DocTreeNode& rTreeNode ) const
+        {
+            SAL_INFO( "slideshow", "::presentation::internal::DrawShapeSubsetting::getSubsetShape()" );
+
+            // subset shape already created for this DocTreeNode?
+            SubsetEntry aEntry;
+
+            aEntry.mnStartActionIndex   = rTreeNode.getStartIndex();
+            aEntry.mnEndActionIndex     = rTreeNode.getEndIndex();
+
+            ShapeSet::const_iterator aIter;
+            if( (aIter=maSubsetShapes.find( aEntry )) != maSubsetShapes.end() )
+            {
+                // already created, return found entry
+                return aIter->mpShape;
+            }
+
+            return AttributableShapeSharedPtr();
+        }
+
+        void DrawShapeSubsetting::addSubsetShape( const AttributableShapeSharedPtr& rShape )
+        {
+            SAL_INFO( "slideshow", "::presentation::internal::DrawShapeSubsetting::addSubsetShape()" );
+
+            // subset shape already created for this DocTreeNode?
+            SubsetEntry aEntry;
+            const DocTreeNode& rEffectiveSubset( rShape->getSubsetNode() );
+
+            aEntry.mnStartActionIndex   = rEffectiveSubset.getStartIndex();
+            aEntry.mnEndActionIndex     = rEffectiveSubset.getEndIndex();
+
+            ShapeSet::const_iterator aIter;
+            if( (aIter=maSubsetShapes.find( aEntry )) != maSubsetShapes.end() )
+            {
+                // already created, increment use count and return
+
+                // safe cast, since set order does not depend on
+                // mnSubsetQueriedCount
+                const_cast<SubsetEntry&>(*aIter).mnSubsetQueriedCount++;
+            }
+            else
+            {
+                // not yet created, init entry
+                aEntry.mnSubsetQueriedCount = 1;
+                aEntry.mpShape = rShape;
+
+                maSubsetShapes.insert( aEntry );
+
+                excludeSubset(aEntry.mnStartActionIndex, aEntry.mnEndActionIndex);
+            }
+        }
+
+        bool DrawShapeSubsetting::revokeSubsetShape( const AttributableShapeSharedPtr& rShape )
+        {
+            SAL_INFO( "slideshow", "::presentation::internal::DrawShapeSubsetting::revokeSubsetShape()" );
+
+            // lookup subset shape
+            SubsetEntry aEntry;
+            const DocTreeNode& rEffectiveSubset( rShape->getSubsetNode() );
+
+            aEntry.mnStartActionIndex   = rEffectiveSubset.getStartIndex();
+            aEntry.mnEndActionIndex     = rEffectiveSubset.getEndIndex();
+
+            ShapeSet::iterator aIter;
+            if( (aIter=maSubsetShapes.find( aEntry )) == maSubsetShapes.end() )
+                return false; // not found, subset was never queried
+
+            // last client of the subset revoking?
+            if( aIter->mnSubsetQueriedCount > 1 )
+            {
+                // no, still clients out there. Just decrement use count
+                // safe cast, since order does not depend on mnSubsetQueriedCount
+                const_cast<SubsetEntry&>(*aIter).mnSubsetQueriedCount--;
+
+                SAL_INFO(
+                    "slideshow",
+                    "Subset summary: shape " << this << ", "
+                        << maSubsetShapes.size()
+                        << " open subsets, revoked subset has refcount "
+                        << aIter->mnSubsetQueriedCount);
+
+                return false; // not the last client
+            }
+
+            SAL_INFO(
+                "slideshow",
+                "Subset summary: shape " << this << ", "
+                    << maSubsetShapes.size()
+                    << " open subsets, cleared subset has range ["
+                    << aEntry.mnStartActionIndex << ","
+                    << aEntry.mnEndActionIndex << "]");
+
+            // yes, remove from set
+            maSubsetShapes.erase( aIter );
+
+
+            // update currently active subset for _our_ shape (the
+            // part of this shape that is visible, i.e. not displayed
+            // in subset shapes)
+
+            // TODO(P2): This is quite expensive, when
+            // after every subset effect end, we have to scan
+            // the whole shape set
+
+            updateSubsets();
+
+            return true;
+        }
+
+        namespace
+        {
+            /** Iterate over all action classification entries in the
+                given range, pass each element range found to the
+                given functor.
+
+                This method extracts, for each of the different action
+                classifications, the count and the ranges for each of
+                them, and calls the provided functor with that
+                information.
+
+                @tpl FunctorT
+                This is the functor's operator() calling signature,
+                with eCurrElemClassification denoting the current
+                classification type the functor is called for,
+                nCurrElemCount the running total of elements visited
+                for the given class (starting from 0), and
+                rCurrElemBegin/rCurrElemEnd the range of the current
+                element (i.e. the iterators from the start to the end
+                of this element).
+                <pre>
+                bool operator()( IndexClassificator                              eCurrElemClassification
+                                 sal_Int32                                       nCurrElemCount,
+                                 const IndexClassificatorVector::const_iterator& rCurrElemBegin,
+                                 const IndexClassificatorVector::const_iterator& rCurrElemEnd );
+                </pre>
+                If the functor returns false, iteration over the
+                shapes is immediately stopped.
+
+                @param io_pFunctor
+                This functor is called for every shape found.
+
+                @param rBegin
+                Start of range to iterate over
+
+                @param rEnd
+                End of range to iterate over
+
+                @return the number of shapes found in the metafile
+             */
+            template< typename FunctorT > void iterateActionClassifications(
+                FunctorT&                                                            io_rFunctor,
+                const DrawShapeSubsetting::IndexClassificatorVector::const_iterator& rBegin,
+                const DrawShapeSubsetting::IndexClassificatorVector::const_iterator& rEnd )
+            {
+                sal_Int32 nCurrShapeCount( 0 );
+                sal_Int32 nCurrParaCount( 0 );
+                sal_Int32 nCurrLineCount( 0 );
+                sal_Int32 nCurrSentenceCount( 0 );
+                sal_Int32 nCurrWordCount( 0 );
+                sal_Int32 nCurrCharCount( 0 );
+
+                DrawShapeSubsetting::IndexClassificatorVector::const_iterator aLastShapeStart(rBegin);
+                DrawShapeSubsetting::IndexClassificatorVector::const_iterator aLastParaStart(rBegin);
+                DrawShapeSubsetting::IndexClassificatorVector::const_iterator aLastLineStart(rBegin);
+                DrawShapeSubsetting::IndexClassificatorVector::const_iterator aLastSentenceStart(rBegin);
+                DrawShapeSubsetting::IndexClassificatorVector::const_iterator aLastWordStart(rBegin);
+                DrawShapeSubsetting::IndexClassificatorVector::const_iterator aLastCharStart(rBegin);
+
+                DrawShapeSubsetting::IndexClassificatorVector::const_iterator aNext;
+                DrawShapeSubsetting::IndexClassificatorVector::const_iterator aCurr( rBegin );
+                while( aCurr != rEnd )
+                {
+                    // aNext will hold an iterator to the next element
+                    // (or the past-the-end iterator, if aCurr
+                    // references the last element). Used to pass a
+                    // valid half-open range to the functors.
+                    aNext = aCurr;
+                    ++aNext;
+
+                    switch( *aCurr )
+                    {
+                        default:
+                            ENSURE_OR_THROW( false,
+                                              "Unexpected type in iterateDocShapes()" );
+                        case DrawShapeSubsetting::CLASS_NOOP:
+                            // ignore NOOP actions
+                            break;
+
+                        case DrawShapeSubsetting::CLASS_SHAPE_START:
+                            // regardless of ending action
+                            // classifications before: a new shape
+                            // always also starts contained elements
+                            // anew
+                            aLastShapeStart    =
+                            aLastParaStart     =
+                            aLastLineStart     =
+                            aLastSentenceStart =
+                            aLastWordStart     =
+                            aLastCharStart     = aCurr;
+                            break;
+
+                        case DrawShapeSubsetting::CLASS_SHAPE_END:
+                            if( !io_rFunctor( DrawShapeSubsetting::CLASS_SHAPE_END,
+                                              nCurrShapeCount,
+                                              aLastShapeStart,
+                                              aNext ) )
+                            {
+                                return;
+                            }
+
+                            ++nCurrShapeCount;
+                            [[fallthrough]]; // shape end also ends lines
+                        case DrawShapeSubsetting::CLASS_PARAGRAPH_END:
+                            if( !io_rFunctor( DrawShapeSubsetting::CLASS_PARAGRAPH_END,
+                                              nCurrParaCount,
+                                              aLastParaStart,
+                                              aNext ) )
+                            {
+                                return;
+                            }
+
+                            ++nCurrParaCount;
+                            aLastParaStart = aNext;
+                            [[fallthrough]]; // para end also ends line
+                        case DrawShapeSubsetting::CLASS_LINE_END:
+                            if( !io_rFunctor( DrawShapeSubsetting::CLASS_LINE_END,
+                                              nCurrLineCount,
+                                              aLastLineStart,
+                                              aNext ) )
+                            {
+                                return;
+                            }
+
+                            ++nCurrLineCount;
+                            aLastLineStart = aNext;
+
+                            if( *aCurr == DrawShapeSubsetting::CLASS_LINE_END )
+                            {
+                                // DON'T fall through here, as a line
+                                // does NOT end neither a sentence,
+                                // nor a word. OTOH, all parent
+                                // structures (paragraph and shape),
+                                // which itself fall through to this
+                                // code, DO end word, sentence and
+                                // character cell.
+
+                                // TODO(F1): Maybe a line should end a
+                                // character cell, OTOH?
+                                break;
+                            }
+                            [[fallthrough]];
+                        case DrawShapeSubsetting::CLASS_SENTENCE_END:
+                            if( !io_rFunctor( DrawShapeSubsetting::CLASS_SENTENCE_END,
+                                              nCurrSentenceCount,
+                                              aLastSentenceStart,
+                                              aNext ) )
+                            {
+                                return;
+                            }
+
+                            ++nCurrSentenceCount;
+                            aLastSentenceStart = aNext;
+                            [[fallthrough]];
+                        case DrawShapeSubsetting::CLASS_WORD_END:
+                            if( !io_rFunctor( DrawShapeSubsetting::CLASS_WORD_END,
+                                              nCurrWordCount,
+                                              aLastWordStart,
+                                              aNext ) )
+                            {
+                                return;
+                            }
+
+                            ++nCurrWordCount;
+                            aLastWordStart = aNext;
+                            [[fallthrough]];
+                        case DrawShapeSubsetting::CLASS_CHARACTER_CELL_END:
+                            if( !io_rFunctor( DrawShapeSubsetting::CLASS_CHARACTER_CELL_END,
+                                              nCurrCharCount,
+                                              aLastCharStart,
+                                              aNext ) )
+                            {
+                                return;
+                            }
+
+                            ++nCurrCharCount;
+                            aLastCharStart = aNext;
+                            break;
+                    }
+
+                    aCurr = aNext;
+                }
+            }
+
+            DrawShapeSubsetting::IndexClassificator mapDocTreeNode( DocTreeNode::NodeType eNodeType )
+            {
+                switch( eNodeType )
+                {
+                    default:
+                        SAL_WARN( "slideshow", "DrawShapeSubsetting::mapDocTreeNode(): unexpected node type");
+                        return DrawShapeSubsetting::CLASS_NOOP;
+
+                    case DocTreeNode::NodeType::LogicalParagraph:
+                        return DrawShapeSubsetting::CLASS_PARAGRAPH_END;
+
+                    case DocTreeNode::NodeType::LogicalWord:
+                        return DrawShapeSubsetting::CLASS_WORD_END;
+
+                    case DocTreeNode::NodeType::LogicalCharacterCell:
+                        return DrawShapeSubsetting::CLASS_CHARACTER_CELL_END;
+                };
+            }
+
+            /// Counts number of class occurrences
+            class CountClassFunctor
+            {
+            public:
+                explicit CountClassFunctor( DrawShapeSubsetting::IndexClassificator eClass ) :
+                    meClass( eClass ),
+                    mnCurrCount(0)
+                {
+                }
+
+                bool operator()( DrawShapeSubsetting::IndexClassificator                                eCurrElemClassification,
+                                 sal_Int32                                                              /*nCurrElemCount*/,
+                                 const DrawShapeSubsetting::IndexClassificatorVector::const_iterator&   /*rCurrElemBegin*/,
+                                 const DrawShapeSubsetting::IndexClassificatorVector::const_iterator&   /*rCurrElemEnd*/ )
+                {
+                    if( eCurrElemClassification == meClass )
+                        ++mnCurrCount;
+
+                    return true; // never stop, count all occurrences
+                }
+
+                sal_Int32 getCount() const
+                {
+                    return mnCurrCount;
+                }
+
+            private:
+                DrawShapeSubsetting::IndexClassificator meClass;
+                sal_Int32                               mnCurrCount;
+            };
+        }
+
+        sal_Int32 DrawShapeSubsetting::implGetNumberOfTreeNodes( const DrawShapeSubsetting::IndexClassificatorVector::const_iterator& rBegin,
+                                                                 const DrawShapeSubsetting::IndexClassificatorVector::const_iterator& rEnd,
+                                                                 DocTreeNode::NodeType                                                eNodeType )
+        {
+            const IndexClassificator eRequestedClass(
+                mapDocTreeNode( eNodeType ) );
+
+            // create a counting functor for the requested class of
+            // actions
+            CountClassFunctor aFunctor( eRequestedClass );
+
+            // count all occurrences in the given range
+            iterateActionClassifications( aFunctor, rBegin, rEnd );
+
+            return aFunctor.getCount();
+        }
+
+        sal_Int32 DrawShapeSubsetting::getNumberOfTreeNodes( DocTreeNode::NodeType eNodeType ) const
+        {
+            ensureInitializedNodeTree();
+
+            return implGetNumberOfTreeNodes( maActionClassVector.begin(),
+                                             maActionClassVector.end(),
+                                             eNodeType );
+        }
+
+        namespace
+        {
+            /** This functor finds the nth occurrence of a given
+                action class.
+
+                The operator() compares the given index value with the
+                requested index, as given on the functor's
+                constructor. Then, the operator() returns false,
+                denoting that the requested action is found.
+             */
+            class FindNthElementFunctor
+            {
+            public:
+                FindNthElementFunctor( sal_Int32                                                      nNodeIndex,
+                                       DrawShapeSubsetting::IndexClassificatorVector::const_iterator& rLastBegin,
+                                       DrawShapeSubsetting::IndexClassificatorVector::const_iterator& rLastEnd,
+                                       DrawShapeSubsetting::IndexClassificator                        eClass ) :
+                    mnNodeIndex( nNodeIndex ),
+                    mrLastBegin( rLastBegin ),
+                    mrLastEnd( rLastEnd ),
+                    meClass( eClass )
+                {
+                }
+
+                bool operator()( DrawShapeSubsetting::IndexClassificator                                eCurrElemClassification,
+                                 sal_Int32                                                              nCurrElemCount,
+                                 const DrawShapeSubsetting::IndexClassificatorVector::const_iterator&   rCurrElemBegin,
+                                 const DrawShapeSubsetting::IndexClassificatorVector::const_iterator&   rCurrElemEnd )
+                {
+                    if( eCurrElemClassification == meClass &&
+                        nCurrElemCount == mnNodeIndex )
+                    {
+                        mrLastBegin = rCurrElemBegin;
+                        mrLastEnd = rCurrElemEnd;
+
+                        return false; // abort iteration, we've
+                                      // already found what we've been
+                                      // looking for
+                    }
+
+                    return true; // keep on truckin'
+                }
+
+            private:
+                sal_Int32                                                       mnNodeIndex;
+                DrawShapeSubsetting::IndexClassificatorVector::const_iterator&  mrLastBegin;
+                DrawShapeSubsetting::IndexClassificatorVector::const_iterator&  mrLastEnd;
+                DrawShapeSubsetting::IndexClassificator                         meClass;
+            };
+
+            DocTreeNode makeTreeNode( const DrawShapeSubsetting::IndexClassificatorVector::const_iterator& rBegin,
+                                      const DrawShapeSubsetting::IndexClassificatorVector::const_iterator& rStart,
+                                      const DrawShapeSubsetting::IndexClassificatorVector::const_iterator& rEnd   )
+            {
+                return DocTreeNode( ::std::distance(rBegin,
+                                                    rStart),
+                                    ::std::distance(rBegin,
+                                                    rEnd) );
+            }
+        }
+
+        DocTreeNode DrawShapeSubsetting::implGetTreeNode( const IndexClassificatorVector::const_iterator&   rBegin,
+                                                          const IndexClassificatorVector::const_iterator&   rEnd,
+                                                          sal_Int32                                         nNodeIndex,
+                                                          DocTreeNode::NodeType                             eNodeType ) const
+        {
+            const IndexClassificator eRequestedClass(
+                mapDocTreeNode( eNodeType ) );
+
+            DrawShapeSubsetting::IndexClassificatorVector::const_iterator aLastBegin(rEnd);
+            DrawShapeSubsetting::IndexClassificatorVector::const_iterator aLastEnd(rEnd);
+
+            // create a nth element functor for the requested class of
+            // actions, and nNodeIndex as the target index
+            FindNthElementFunctor aFunctor( nNodeIndex,
+                                            aLastBegin,
+                                            aLastEnd,
+                                            eRequestedClass );
+
+            // find given index in the given range
+            iterateActionClassifications( aFunctor, rBegin, rEnd );
+
+            return makeTreeNode( maActionClassVector.begin(),
+                                 aLastBegin, aLastEnd );
+        }
+
+        DocTreeNode DrawShapeSubsetting::getTreeNode( sal_Int32             nNodeIndex,
+                                                      DocTreeNode::NodeType eNodeType ) const
+        {
+            ensureInitializedNodeTree();
+
+            return implGetTreeNode( maActionClassVector.begin(),
+                                    maActionClassVector.end(),
+                                    nNodeIndex,
+                                    eNodeType );
+        }
+
+        sal_Int32 DrawShapeSubsetting::getNumberOfSubsetTreeNodes( const DocTreeNode&       rParentNode,
+                                                                   DocTreeNode::NodeType    eNodeType ) const
+        {
+            ensureInitializedNodeTree();
+
+            // convert from vector indices to vector iterators
+            const DrawShapeSubsetting::IndexClassificatorVector::const_iterator aBegin( maActionClassVector.begin() );
+            const DrawShapeSubsetting::IndexClassificatorVector::const_iterator aParentBegin( aBegin + rParentNode.getStartIndex() );
+            const DrawShapeSubsetting::IndexClassificatorVector::const_iterator aParentEnd( aBegin + rParentNode.getEndIndex() );
+
+            return implGetNumberOfTreeNodes( aParentBegin,
+                                             aParentEnd,
+                                             eNodeType );
+        }
+
+        DocTreeNode DrawShapeSubsetting::getSubsetTreeNode( const DocTreeNode&      rParentNode,
+                                                            sal_Int32               nNodeIndex,
+                                                            DocTreeNode::NodeType   eNodeType ) const
+        {
+            ensureInitializedNodeTree();
+
+            // convert from vector indices to vector iterators
+            const DrawShapeSubsetting::IndexClassificatorVector::const_iterator aBegin( maActionClassVector.begin() );
+            const DrawShapeSubsetting::IndexClassificatorVector::const_iterator aParentBegin( aBegin + rParentNode.getStartIndex() );
+            const DrawShapeSubsetting::IndexClassificatorVector::const_iterator aParentEnd( aBegin + rParentNode.getEndIndex() );
+
+            return implGetTreeNode( aParentBegin,
+                                    aParentEnd,
+                                    nNodeIndex,
+                                    eNodeType );
+        }
+
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/drawshapesubsetting.hxx b/slideshow/source/engine/shapes/drawshapesubsetting.hxx
new file mode 100644
index 000000000..fe0347774
--- /dev/null
+++ b/slideshow/source/engine/shapes/drawshapesubsetting.hxx
@@ -0,0 +1,244 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_DRAWSHAPESUBSETTING_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_DRAWSHAPESUBSETTING_HXX
+
+#include <doctreenode.hxx>
+#include <attributableshape.hxx>
+
+
+class GDIMetaFile;
+typedef ::std::shared_ptr< GDIMetaFile > GDIMetaFileSharedPtr;
+
+namespace slideshow::internal
+    {
+        /** This class encapsulates the subsetting aspects of a
+            DrawShape.
+         */
+        class DrawShapeSubsetting
+        {
+        public:
+            /** Create empty shape subset handling.
+
+                This method creates a subset handler which contains no
+                subset information. All methods will return default
+                values.
+
+                @param rMtf
+                Metafile to retrieve subset info from (must have been
+                generated with verbose text comments switched on).
+             */
+            DrawShapeSubsetting();
+
+            /** Create new shape subset handling.
+
+                @param rShapeSubset
+                The subset this object represents (can be empty, then
+                denoting 'represents a whole shape')
+
+                @param rMtf
+                Metafile to retrieve subset info from (must have been
+                generated with verbose text comments switched on).
+             */
+            DrawShapeSubsetting( const DocTreeNode&     rShapeSubset,
+                                 GDIMetaFileSharedPtr   rMtf );
+
+            /// Forbid copy construction
+            DrawShapeSubsetting(const DrawShapeSubsetting&) = delete;
+
+            /// Forbid copy assignment
+            DrawShapeSubsetting& operator=(const DrawShapeSubsetting&) = delete;
+
+            /** Reset metafile.
+
+                Use this method to completely reset the
+                ShapeSubsetting, with a new metafile. Note that any
+                information previously set will be lost, including
+                added subset shapes!
+
+                @param rMtf
+                Metafile to retrieve subset info from (must have been
+                generated with verbose text comments switched on).
+             */
+            void reset( const ::std::shared_ptr< GDIMetaFile >&   rMtf );
+
+            // Shape subsetting methods
+
+
+            /// Return subset node for this shape
+            const DocTreeNode&          getSubsetNode       () const;
+
+            /// Get subset shape for given node, if any
+            AttributableShapeSharedPtr  getSubsetShape      ( const DocTreeNode& rTreeNode ) const;
+
+            /// Add child subset shape (or increase use count, if already existent)
+            void                        addSubsetShape      ( const AttributableShapeSharedPtr& rShape );
+
+            /** Revoke subset shape
+
+                This method revokes a subset shape, decrementing the
+                use count for this subset by one. If the use count
+                reaches zero (i.e. when the number of addSubsetShape()
+                matches the number of revokeSubsetShape() calls for
+                the same subset), the subset entry is removed from the
+                internal list, and subsequent getSubsetShape() calls
+                will return the empty pointer for this subset.
+
+                @return true, if the subset shape was physically
+                removed from the list (false is returned, when nothing
+                was removed, either because only the use count was
+                decremented, or there was no such subset found, in the
+                first place).
+             */
+            bool                        revokeSubsetShape   ( const AttributableShapeSharedPtr& rShape );
+
+
+            // Doc tree methods
+
+
+            /// Return overall number of nodes for given type
+            sal_Int32   getNumberOfTreeNodes        ( DocTreeNode::NodeType eNodeType ) const;
+
+            /// Return tree node of given index and given type
+            DocTreeNode getTreeNode                 ( sal_Int32             nNodeIndex,
+                                                      DocTreeNode::NodeType eNodeType ) const;
+
+            /// Return number of nodes of given type, below parent node
+            sal_Int32   getNumberOfSubsetTreeNodes  ( const DocTreeNode&    rParentNode,
+                                                      DocTreeNode::NodeType eNodeType ) const;
+
+            /// Return tree node of given index and given type, relative to parent node
+            DocTreeNode getSubsetTreeNode           ( const DocTreeNode&    rParentNode,
+                                                      sal_Int32             nNodeIndex,
+                                                      DocTreeNode::NodeType eNodeType ) const;
+
+            // Helper
+
+
+            /** Return a vector of currently active subsets.
+
+                Needed when rendering a shape, this method provides a
+                vector of subsets currently visible (the range as
+                returned by getEffectiveSubset(), minus the parts that
+                are currently hidden, because displayed by child
+                shapes).
+             */
+            const VectorOfDocTreeNodes& getActiveSubsets() const {  return maCurrentSubsets; }
+
+            /** This enum classifies each action index in the
+                metafile.
+
+                Of interest are, of course, the places where
+                structural shape and/or text elements end. The
+                remainder of the action gets classified as 'noop'
+             */
+            enum IndexClassificator
+            {
+                CLASS_NOOP,
+                CLASS_SHAPE_START,
+                CLASS_SHAPE_END,
+
+                CLASS_LINE_END,
+                CLASS_PARAGRAPH_END,
+                CLASS_SENTENCE_END,
+                CLASS_WORD_END,
+                CLASS_CHARACTER_CELL_END
+            };
+
+            typedef ::std::vector< IndexClassificator > IndexClassificatorVector;
+
+        private:
+            /** Entry for subset shape
+
+                This struct contains data for every subset shape
+                generated. Note that for a given start/end action
+                index combination, only one subset instance is
+                generated (and reused for subsequent queries).
+             */
+            struct SubsetEntry
+            {
+                AttributableShapeSharedPtr  mpShape;
+                sal_Int32                   mnStartActionIndex;
+                sal_Int32                   mnEndActionIndex;
+
+                /// Number of times this subset was queried, and not yet revoked
+                int                         mnSubsetQueriedCount;
+
+                sal_Int32 getHashValue() const
+                {
+                    // TODO(Q3): That's a hack. We assume that start
+                    // index will always be less than 65535 (if this
+                    // assumption is violated, hash map performance
+                    // will degrade severely)
+                    return mnStartActionIndex*SAL_MAX_INT16 + mnEndActionIndex;
+                }
+
+                /// The shape set is ordered according to this method
+                bool operator<(const SubsetEntry& rOther) const
+                {
+                    return getHashValue() < rOther.getHashValue();
+                }
+
+            };
+
+            typedef ::std::set< SubsetEntry >       ShapeSet;
+
+            void ensureInitializedNodeTree() const;
+            void excludeSubset(sal_Int32 nExcludedStart, sal_Int32 nExcludedEnd);
+            void updateSubsets();
+            void initCurrentSubsets();
+            void reset();
+
+            static sal_Int32   implGetNumberOfTreeNodes( const IndexClassificatorVector::const_iterator&   rBegin,
+                                                  const IndexClassificatorVector::const_iterator&   rEnd,
+                                                  DocTreeNode::NodeType                             eNodeType );
+            DocTreeNode implGetTreeNode( const IndexClassificatorVector::const_iterator&    rBegin,
+                                         const IndexClassificatorVector::const_iterator&    rEnd,
+                                         sal_Int32                                          nNodeIndex,
+                                         DocTreeNode::NodeType                              eNodeType ) const;
+
+            mutable IndexClassificatorVector    maActionClassVector;
+
+            /// Metafile to retrieve subset info from
+            ::std::shared_ptr< GDIMetaFile >  mpMtf;
+
+            /// Subset of the metafile represented by this object
+            DocTreeNode                         maSubset;
+
+            /// the list of subset shapes spawned from this one.
+            ShapeSet                            maSubsetShapes;
+
+            /** Current number of subsets to render (calculated from
+                maSubset and mnMin/MaxSubsetActionIndex).
+
+                Note that this is generally _not_ equivalent to
+                maSubset, as it excludes all active subset children!
+             */
+            mutable VectorOfDocTreeNodes        maCurrentSubsets;
+
+            /// Whether the shape's doc tree has been initialized successfully, or not
+            mutable bool                        mbNodeTreeInitialized;
+        };
+
+}
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_DRAWSHAPESUBSETTING_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/externalshapebase.cxx b/slideshow/source/engine/shapes/externalshapebase.cxx
new file mode 100644
index 000000000..440b10d95
--- /dev/null
+++ b/slideshow/source/engine/shapes/externalshapebase.cxx
@@ -0,0 +1,211 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+// must be first
+#include <tools/diagnose_ex.h>
+
+#include "externalshapebase.hxx"
+#include <eventmultiplexer.hxx>
+#include <subsettableshapemanager.hxx>
+#include <vieweventhandler.hxx>
+#include <intrinsicanimationeventhandler.hxx>
+#include <tools.hxx>
+
+
+using namespace ::com::sun::star;
+
+
+namespace slideshow::internal
+{
+        class ExternalShapeBase::ExternalShapeBaseListener : public ViewEventHandler,
+                                                             public IntrinsicAnimationEventHandler
+        {
+        public:
+            explicit ExternalShapeBaseListener( ExternalShapeBase& rBase ) :
+                mrBase( rBase )
+            {}
+            ExternalShapeBaseListener(const ExternalShapeBaseListener&) = delete;
+            ExternalShapeBaseListener& operator=(const ExternalShapeBaseListener&) = delete;
+
+        private:
+            // ViewEventHandler
+
+
+            virtual void viewAdded( const UnoViewSharedPtr& ) override {}
+            virtual void viewRemoved( const UnoViewSharedPtr& ) override {}
+            virtual void viewChanged( const UnoViewSharedPtr& rView ) override
+            {
+                mrBase.implViewChanged(rView);
+            }
+            virtual void viewsChanged() override
+            {
+                mrBase.implViewsChanged();
+            }
+
+
+            // IntrinsicAnimationEventHandler
+
+
+            virtual bool enableAnimations() override
+            {
+                return mrBase.implStartIntrinsicAnimation();
+            }
+            virtual bool disableAnimations() override
+            {
+                return mrBase.implEndIntrinsicAnimation();
+            }
+
+            ExternalShapeBase& mrBase;
+        };
+
+
+        ExternalShapeBase::ExternalShapeBase( const uno::Reference< drawing::XShape >&  xShape,
+                                              double                                    nPrio,
+                                              const SlideShowContext&                   rContext ) :
+            mxComponentContext( rContext.mxComponentContext ),
+            mxShape( xShape ),
+            mpListener( std::make_shared<ExternalShapeBaseListener>(*this) ),
+            mpShapeManager( rContext.mpSubsettableShapeManager ),
+            mrEventMultiplexer( rContext.mrEventMultiplexer ),
+            mnPriority( nPrio ), // TODO(F1): When ZOrder someday becomes usable: make this ( getAPIShapePrio( xShape ) ),
+            maBounds( getAPIShapeBounds( xShape ) )
+        {
+            ENSURE_OR_THROW( mxShape.is(), "ExternalShapeBase::ExternalShapeBase(): Invalid XShape" );
+
+            mpShapeManager->addIntrinsicAnimationHandler( mpListener );
+            mrEventMultiplexer.addViewHandler( mpListener );
+        }
+
+
+        ExternalShapeBase::~ExternalShapeBase()
+        {
+            try
+            {
+                mrEventMultiplexer.removeViewHandler( mpListener );
+                mpShapeManager->removeIntrinsicAnimationHandler( mpListener );
+            }
+            catch (uno::Exception &)
+            {
+                TOOLS_WARN_EXCEPTION( "slideshow", "" );
+            }
+        }
+
+
+        uno::Reference< drawing::XShape > ExternalShapeBase::getXShape() const
+        {
+            return mxShape;
+        }
+
+
+        void ExternalShapeBase::play()
+        {
+            implStartIntrinsicAnimation();
+        }
+
+
+        void ExternalShapeBase::stop()
+        {
+            implEndIntrinsicAnimation();
+        }
+
+
+        void ExternalShapeBase::pause()
+        {
+            implPauseIntrinsicAnimation();
+        }
+
+
+        bool ExternalShapeBase::isPlaying() const
+        {
+            return implIsIntrinsicAnimationPlaying();
+        }
+
+
+        void ExternalShapeBase::setMediaTime(double fTime)
+        {
+            implSetIntrinsicAnimationTime(fTime);
+        }
+
+        void ExternalShapeBase::setLooping(bool bLooping) { implSetLooping(bLooping); }
+
+        bool ExternalShapeBase::update() const
+        {
+            return render();
+        }
+
+
+        bool ExternalShapeBase::render() const
+        {
+            if( maBounds.getRange().equalZero() )
+            {
+                // zero-sized shapes are effectively invisible,
+                // thus, we save us the rendering...
+                return true;
+            }
+
+            return implRender( maBounds );
+        }
+
+
+        bool ExternalShapeBase::isContentChanged() const
+        {
+            return true;
+        }
+
+
+        ::basegfx::B2DRectangle ExternalShapeBase::getBounds() const
+        {
+            return maBounds;
+        }
+
+
+        ::basegfx::B2DRectangle ExternalShapeBase::getDomBounds() const
+        {
+            return maBounds;
+        }
+
+
+        ::basegfx::B2DRectangle ExternalShapeBase::getUpdateArea() const
+        {
+            return maBounds;
+        }
+
+
+        bool ExternalShapeBase::isVisible() const
+        {
+            return true;
+        }
+
+
+        double ExternalShapeBase::getPriority() const
+        {
+            return mnPriority;
+        }
+
+
+        bool ExternalShapeBase::isBackgroundDetached() const
+        {
+            // external shapes always have their own window/surface
+            return true;
+        }
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/externalshapebase.hxx b/slideshow/source/engine/shapes/externalshapebase.hxx
new file mode 100644
index 000000000..d8c208db2
--- /dev/null
+++ b/slideshow/source/engine/shapes/externalshapebase.hxx
@@ -0,0 +1,131 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_EXTERNALSHAPEBASE_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_EXTERNALSHAPEBASE_HXX
+
+#include <iexternalmediashapebase.hxx>
+#include <unoview.hxx>
+#include <slideshowcontext.hxx>
+
+
+namespace slideshow::internal
+    {
+        /** Base class for shapes rendered by external engines.
+
+            Used as the common base for e.g. MediaShape or
+            AppletShape, all of which are rendered by external
+            components (and all employ distinct windows).
+
+            Please note that this base class indeed assumes the shape
+            does not interfere with the internal shapes in any way
+            (including mutual overdraw). It therefore reports yes for
+            the isBackgroundDetached() question.
+         */
+        class ExternalShapeBase : public IExternalMediaShapeBase
+        {
+        public:
+            /** Create a shape for the given XShape for an external shape
+
+                @param xShape
+                The XShape to represent.
+
+                @param nPrio
+                Externally-determined shape priority (used e.g. for
+                paint ordering). This number _must be_ unique!
+             */
+            ExternalShapeBase( const css::uno::Reference< css::drawing::XShape >&   xShape,
+                               double                                       nPrio,
+                               const SlideShowContext&                      rContext ); // throw ShapeLoadFailedException;
+            virtual ~ExternalShapeBase() override;
+
+            virtual css::uno::Reference< css::drawing::XShape > getXShape() const override;
+
+            // animation methods
+
+
+            virtual void play() override;
+            virtual void stop() override;
+            virtual void pause() override;
+            virtual bool isPlaying() const override;
+            virtual void setMediaTime(double) override;
+            void setLooping(bool bLooping) override;
+
+            // render methods
+
+
+            virtual bool update() const override;
+            virtual bool render() const override;
+            virtual bool isContentChanged() const override;
+
+
+            // Shape attributes
+
+
+            virtual ::basegfx::B2DRectangle getBounds() const override;
+            virtual ::basegfx::B2DRectangle getDomBounds() const override;
+            virtual ::basegfx::B2DRectangle getUpdateArea() const override;
+            virtual bool   isVisible() const override;
+            virtual double getPriority() const override;
+            virtual bool   isBackgroundDetached() const override;
+
+        protected:
+            const css::uno::Reference<css::uno::XComponentContext>  mxComponentContext;
+
+        private:
+            class ExternalShapeBaseListener; friend class ExternalShapeBaseListener;
+
+            /// override in derived class to render preview
+            virtual bool implRender( const ::basegfx::B2DRange& rCurrBounds ) const = 0;
+
+            /// override in derived class to resize
+            virtual void implViewChanged( const UnoViewSharedPtr& rView ) = 0;
+            /// override in derived class to resize
+            virtual void implViewsChanged() = 0;
+
+            /// override in derived class to start external viewer
+            virtual bool implStartIntrinsicAnimation() = 0;
+            /// override in derived class to stop external viewer
+            virtual bool implEndIntrinsicAnimation() = 0;
+            /// override in derived class to pause external viewer
+            virtual void implPauseIntrinsicAnimation() = 0;
+            /// override in derived class to return status of animation
+            virtual bool implIsIntrinsicAnimationPlaying() const = 0;
+            /// override in derived class to set media time
+            virtual void implSetIntrinsicAnimationTime(double) = 0;
+            virtual void implSetLooping(bool /*bLooping*/) {}
+
+
+            /// The associated XShape
+            css::uno::Reference< css::drawing::XShape >                             mxShape;
+
+            std::shared_ptr<ExternalShapeBaseListener>                            mpListener;
+
+            SubsettableShapeManagerSharedPtr                                        mpShapeManager;
+            EventMultiplexer&                                                       mrEventMultiplexer;
+
+            // The attributes of this Shape
+            const double                                                            mnPriority;
+            ::basegfx::B2DRectangle                                                 maBounds;
+        };
+}
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_EXTERNALSHAPEBASE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/gdimtftools.cxx b/slideshow/source/engine/shapes/gdimtftools.cxx
new file mode 100644
index 000000000..6a803f757
--- /dev/null
+++ b/slideshow/source/engine/shapes/gdimtftools.cxx
@@ -0,0 +1,421 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <sal/log.hxx>
+#include "gdimtftools.hxx"
+
+#include <com/sun/star/graphic/XGraphic.hpp>
+#include <com/sun/star/graphic/XGraphicRenderer.hpp>
+#include <com/sun/star/drawing/GraphicExportFilter.hpp>
+
+#include <cppuhelper/basemutex.hxx>
+#include <cppuhelper/compbase.hxx>
+
+#include <comphelper/fileformat.h>
+#include <comphelper/propertyvalue.hxx>
+
+#include <vcl/canvastools.hxx>
+#include <vcl/metaact.hxx>
+#include <vcl/virdev.hxx>
+#include <vcl/gdimtf.hxx>
+#include <vcl/animate/Animation.hxx>
+#include <vcl/graph.hxx>
+
+#include <tools.hxx>
+
+using namespace ::com::sun::star;
+
+
+// free support functions
+// ======================
+
+namespace slideshow::internal
+{
+// TODO(E2): Detect the case when svx/drawing layer is not
+// in-process, or even not on the same machine, and
+// fallback to metafile streaming!
+
+// For fixing #i48102#, have to be a _lot_ more selective
+// on which metafiles to convert to bitmaps. The problem
+// here is that we _always_ get the shape content as a
+// metafile, even if we have a bitmap graphic shape. Thus,
+// calling GetBitmapEx on such a Graphic (see below) will
+// result in one poorly scaled bitmap into another,
+// somewhat arbitrarily sized bitmap.
+static bool hasUnsupportedActions( const GDIMetaFile& rMtf )
+{
+    // search metafile for RasterOp action
+    MetaAction* pCurrAct;
+
+    // TODO(Q3): avoid const-cast
+    for( pCurrAct = const_cast<GDIMetaFile&>(rMtf).FirstAction();
+         pCurrAct;
+         pCurrAct = const_cast<GDIMetaFile&>(rMtf).NextAction() )
+    {
+        switch( pCurrAct->GetType() )
+        {
+            case MetaActionType::RASTEROP:
+                // overpaint is okay - that's the default, anyway
+                if( RasterOp::OverPaint ==
+                    static_cast<MetaRasterOpAction*>(pCurrAct)->GetRasterOp() )
+                {
+                    break;
+                }
+                [[fallthrough]];
+            case MetaActionType::MOVECLIPREGION:
+            case MetaActionType::REFPOINT:
+            case MetaActionType::WALLPAPER:
+                return true; // at least one unsupported
+                             // action encountered
+            default: break;
+        }
+    }
+
+    return false; // no unsupported action found
+}
+
+namespace {
+
+typedef ::cppu::WeakComponentImplHelper< graphic::XGraphicRenderer > DummyRenderer_Base;
+
+class DummyRenderer: public cppu::BaseMutex, public DummyRenderer_Base
+{
+public:
+    DummyRenderer() :
+        DummyRenderer_Base( m_aMutex ),
+        mxGraphic()
+        {
+        }
+
+    //---  XGraphicRenderer  -----------------------------------
+    virtual void SAL_CALL render( const uno::Reference< graphic::XGraphic >& rGraphic ) override
+        {
+            ::osl::MutexGuard aGuard( m_aMutex );
+            mxGraphic = rGraphic;
+        }
+
+    /** Retrieve GDIMetaFile from renderer
+
+        @param bForeignSource
+        When true, the source of the metafile might be a
+        foreign application. The metafile is checked
+        against unsupported content, and, if necessary,
+        returned as a pre-rendered bitmap.
+    */
+    GDIMetaFileSharedPtr getMtf( bool bForeignSource ) const
+    {
+        ::osl::MutexGuard aGuard( m_aMutex );
+
+        Graphic aGraphic( mxGraphic );
+
+        if( aGraphic.GetType() == GraphicType::Bitmap ||
+            (bForeignSource &&
+             hasUnsupportedActions(aGraphic.GetGDIMetaFile()) ) )
+        {
+            // wrap bitmap into GDIMetafile
+            GDIMetaFileSharedPtr xMtf = std::make_shared<GDIMetaFile>();
+
+            ::BitmapEx      aBmpEx( aGraphic.GetBitmapEx() );
+
+            xMtf->AddAction( new MetaBmpExAction( Point(),
+                                                 aBmpEx ) );
+            xMtf->SetPrefSize( aBmpEx.GetPrefSize() );
+            xMtf->SetPrefMapMode( aBmpEx.GetPrefMapMode() );
+
+            return xMtf;
+        }
+        return std::make_shared<GDIMetaFile>(aGraphic.GetGDIMetaFile());
+    }
+
+private:
+    uno::Reference< graphic::XGraphic > mxGraphic;
+};
+
+} // anon namespace
+
+// Quick'n'dirty way: tunnel Graphic (only works for
+// in-process slideshow, of course)
+GDIMetaFileSharedPtr getMetaFile( const uno::Reference< lang::XComponent >&       xSource,
+                                  const uno::Reference< drawing::XDrawPage >&     xContainingPage,
+                                  int                                             mtfLoadFlags,
+                                  const uno::Reference< uno::XComponentContext >& rxContext )
+{
+    if (!rxContext.is())
+    {
+        SAL_WARN("slideshow.opengl", "getMetaFile(): Invalid context" );
+        return GDIMetaFileSharedPtr();
+    }
+
+    // create dummy XGraphicRenderer, which receives the
+    // generated XGraphic from the GraphicExporter
+
+    // TODO(P3): Move creation of DummyRenderer out of the
+    // loop! Either by making it static, or transforming
+    // the whole thing here into a class.
+    rtl::Reference<DummyRenderer> xRenderer( new DummyRenderer() );
+
+    // creating the graphic exporter
+    uno::Reference< drawing::XGraphicExportFilter > xExporter =
+        drawing::GraphicExportFilter::create(rxContext);
+
+    uno::Sequence< beans::PropertyValue > aFilterData{
+        comphelper::makePropertyValue("ScrollText",
+                                      ((mtfLoadFlags & MTF_LOAD_SCROLL_TEXT_MTF) != 0)),
+        comphelper::makePropertyValue("ExportOnlyBackground",
+                                      ((mtfLoadFlags & MTF_LOAD_BACKGROUND_ONLY) != 0)),
+        comphelper::makePropertyValue("Version", static_cast<sal_Int32>( SOFFICE_FILEFORMAT_50 )),
+        comphelper::makePropertyValue(
+            "CurrentPage", uno::Reference< uno::XInterface >( xContainingPage,
+                                                              uno::UNO_QUERY_THROW ))
+    };
+
+    uno::Sequence< beans::PropertyValue > aProps{
+        comphelper::makePropertyValue("FilterName", OUString("SVM")),
+        comphelper::makePropertyValue("GraphicRenderer", uno::Reference< graphic::XGraphicRenderer >(xRenderer)),
+        comphelper::makePropertyValue("FilterData", aFilterData)
+    };
+
+    xExporter->setSourceDocument( xSource );
+    if( !xExporter->filter( aProps ) )
+        return GDIMetaFileSharedPtr();
+
+    GDIMetaFileSharedPtr xMtf = xRenderer->getMtf( (mtfLoadFlags & MTF_LOAD_FOREIGN_SOURCE) != 0 );
+
+    // pRenderer is automatically destroyed when xRenderer
+    // goes out of scope
+
+    // TODO(E3): Error handling. Exporter might have
+    // generated nothing, a bitmap, threw an exception,
+    // whatever.
+    return xMtf;
+}
+
+sal_Int32 getNextActionOffset( MetaAction * pCurrAct )
+{
+    // Special handling for actions that represent
+    // more than one indexable action
+    // ===========================================
+
+    switch (pCurrAct->GetType()) {
+    case MetaActionType::TEXT: {
+        MetaTextAction * pAct = static_cast<MetaTextAction *>(pCurrAct);
+        sal_Int32 nLen = std::min(pAct->GetLen(), pAct->GetText().getLength() - pAct->GetIndex());
+        return nLen;
+    }
+    case MetaActionType::TEXTARRAY: {
+        MetaTextArrayAction * pAct =
+            static_cast<MetaTextArrayAction *>(pCurrAct);
+        sal_Int32 nLen = std::min(pAct->GetLen(), pAct->GetText().getLength() - pAct->GetIndex());
+        return nLen;
+    }
+    case MetaActionType::STRETCHTEXT: {
+        MetaStretchTextAction * pAct =
+            static_cast<MetaStretchTextAction *>(pCurrAct);
+        sal_Int32 nLen = std::min(pAct->GetLen(), pAct->GetText().getLength() - pAct->GetIndex());
+        return nLen;
+    }
+    case MetaActionType::FLOATTRANSPARENT: {
+        MetaFloatTransparentAction * pAct =
+            static_cast<MetaFloatTransparentAction*>(pCurrAct);
+        // TODO(F2): Recurse into action metafile
+        // (though this is currently not used from the
+        // DrawingLayer - shape transparency gradients
+        // don't affect shape text)
+        return pAct->GetGDIMetaFile().GetActionSize();
+    }
+    default:
+        return 1;
+    }
+}
+
+bool getAnimationFromGraphic( VectorOfMtfAnimationFrames&   o_rFrames,
+                              sal_uInt32&                   o_rLoopCount,
+                              const Graphic&                rGraphic )
+{
+    o_rFrames.clear();
+
+    if( !rGraphic.IsAnimated() )
+        return false;
+
+    // some loop invariants
+    ::Animation   aAnimation( rGraphic.GetAnimation() );
+    const Point aEmptyPoint;
+    const Size  aAnimSize( aAnimation.GetDisplaySizePixel() );
+
+    // setup VDev, into which all bitmaps are painted (want to
+    // normalize animations to n bitmaps of same size. An Animation,
+    // though, can contain bitmaps of varying sizes and different
+    // update modes)
+    ScopedVclPtrInstance< VirtualDevice > pVDev;
+    pVDev->SetOutputSizePixel( aAnimSize );
+    pVDev->EnableMapMode( false );
+
+    // setup mask VDev (alpha VDev is currently rather slow)
+    ScopedVclPtrInstance<VirtualDevice> pVDevMask(DeviceFormat::DEFAULT);
+    pVDevMask->SetOutputSizePixel( aAnimSize );
+    pVDevMask->EnableMapMode( false );
+
+    o_rLoopCount = aAnimation.GetLoopCount();
+
+    for( sal_uInt16 i=0, nCount=aAnimation.Count(); i<nCount; ++i )
+    {
+        const AnimationBitmap& rAnimationBitmap( aAnimation.Get(i) );
+        switch(rAnimationBitmap.meDisposal)
+        {
+            case Disposal::Not:
+            {
+                pVDev->DrawBitmapEx(rAnimationBitmap.maPositionPixel,
+                                    rAnimationBitmap.maBitmapEx);
+                Bitmap aMask = rAnimationBitmap.maBitmapEx.GetAlpha();
+
+                if( aMask.IsEmpty() )
+                {
+                    const tools::Rectangle aRect(aEmptyPoint,
+                                          pVDevMask->GetOutputSizePixel());
+                    const Wallpaper aWallpaper(COL_BLACK);
+                    pVDevMask->DrawWallpaper(aRect,
+                                            aWallpaper);
+                }
+                else
+                {
+                    BitmapEx aTmpMask(aMask, aMask);
+                    pVDevMask->DrawBitmapEx(rAnimationBitmap.maPositionPixel,
+                                            aTmpMask );
+                }
+                break;
+            }
+
+            case Disposal::Back:
+            {
+                // #i70772# react on no mask
+                const Bitmap aMask(rAnimationBitmap.maBitmapEx.GetAlpha());
+                const Bitmap & rContent(rAnimationBitmap.maBitmapEx.GetBitmap());
+
+                pVDevMask->Erase();
+                pVDev->DrawBitmap(rAnimationBitmap.maPositionPixel, rContent);
+
+                if(aMask.IsEmpty())
+                {
+                    const tools::Rectangle aRect(rAnimationBitmap.maPositionPixel, rContent.GetSizePixel());
+                    pVDevMask->SetFillColor( COL_BLACK);
+                    pVDevMask->SetLineColor();
+                    pVDevMask->DrawRect(aRect);
+                }
+                else
+                {
+                    pVDevMask->DrawBitmap(rAnimationBitmap.maPositionPixel, aMask);
+                }
+                break;
+            }
+
+            case Disposal::Previous :
+            {
+                pVDev->DrawBitmapEx(rAnimationBitmap.maPositionPixel,
+                                    rAnimationBitmap.maBitmapEx);
+                pVDevMask->DrawBitmap(rAnimationBitmap.maPositionPixel,
+                                      rAnimationBitmap.maBitmapEx.GetAlpha());
+                break;
+            }
+        }
+
+        // extract current aVDev content into a new animation
+        // frame
+        GDIMetaFileSharedPtr pMtf = std::make_shared<GDIMetaFile>();
+        pMtf->AddAction(
+            new MetaBmpExAction( aEmptyPoint,
+                                 BitmapEx(
+                                     pVDev->GetBitmap(
+                                         aEmptyPoint,
+                                         aAnimSize ),
+                                     pVDevMask->GetBitmap(
+                                         aEmptyPoint,
+                                         aAnimSize ))));
+
+        // setup mtf dimensions and pref map mode (for
+        // simplicity, keep it all in pixel. the metafile
+        // renderer scales it down to (1, 1) box anyway)
+        pMtf->SetPrefMapMode( MapMode() );
+        pMtf->SetPrefSize( aAnimSize );
+
+        // Take care of special value for MultiPage TIFFs. ATM these shall just
+        // show their first page for _quite_ some time.
+        sal_Int32 nWaitTime100thSeconds(rAnimationBitmap.mnWait);
+        if( ANIMATION_TIMEOUT_ON_CLICK == nWaitTime100thSeconds )
+        {
+            // ATM the huge value would block the timer, so use a long
+            // time to show first page (whole day)
+            nWaitTime100thSeconds = 100 * 60 * 60 * 24;
+        }
+
+        // There are animated GIFs with no WaitTime set. Take 0.1 sec, the
+        // same duration that is used by the edit view.
+        if( nWaitTime100thSeconds == 0 )
+            nWaitTime100thSeconds = 10;
+
+        o_rFrames.emplace_back( pMtf, nWaitTime100thSeconds / 100.0 );
+    }
+
+    return !o_rFrames.empty();
+}
+
+bool getRectanglesFromScrollMtf( ::basegfx::B2DRectangle&       o_rScrollRect,
+                                 ::basegfx::B2DRectangle&       o_rPaintRect,
+                                 const GDIMetaFileSharedPtr&    rMtf )
+{
+    // extract bounds: scroll rect, paint rect
+    bool bScrollRectSet(false);
+    bool bPaintRectSet(false);
+
+    for ( MetaAction * pCurrAct = rMtf->FirstAction();
+          pCurrAct != nullptr; pCurrAct = rMtf->NextAction() )
+    {
+        if (pCurrAct->GetType() == MetaActionType::COMMENT)
+        {
+            MetaCommentAction * pAct =
+                static_cast<MetaCommentAction *>(pCurrAct);
+            // skip comment if not a special XTEXT... comment
+            if( pAct->GetComment().matchIgnoreAsciiCase( "XTEXT" ) )
+            {
+                if (pAct->GetComment().equalsIgnoreAsciiCase("XTEXT_SCROLLRECT"))
+                {
+                    o_rScrollRect = vcl::unotools::b2DRectangleFromRectangle(
+                                        *reinterpret_cast<tools::Rectangle const *>(
+                                            pAct->GetData() ));
+
+                    bScrollRectSet = true;
+                }
+                else if (pAct->GetComment().equalsIgnoreAsciiCase("XTEXT_PAINTRECT") )
+                {
+                    o_rPaintRect = vcl::unotools::b2DRectangleFromRectangle(
+                                        *reinterpret_cast<tools::Rectangle const *>(
+                                            pAct->GetData() ));
+
+                    bPaintRectSet = true;
+                }
+            }
+        }
+    }
+
+    return bScrollRectSet && bPaintRectSet;
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/gdimtftools.hxx b/slideshow/source/engine/shapes/gdimtftools.hxx
new file mode 100644
index 000000000..7812301f9
--- /dev/null
+++ b/slideshow/source/engine/shapes/gdimtftools.hxx
@@ -0,0 +1,129 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_GDIMTFTOOLS_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_GDIMTFTOOLS_HXX
+
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <com/sun/star/lang/XComponent.hpp>
+#include <com/sun/star/drawing/XDrawPage.hpp>
+
+#include <basegfx/range/b2drectangle.hxx>
+
+#include <tools.hxx>
+
+#include <vector>
+
+class MetaAction;
+class GDIMetaFile;
+class Graphic;
+
+
+namespace slideshow::internal
+    {
+        /// meta file loading specialities:
+        enum mtf_load_flags {
+            /// no flags
+            MTF_LOAD_NONE = 0,
+            /// the source of the metafile might be a foreign
+            /// application. The metafile is checked against unsupported
+            /// content, and, if necessary, returned as a pre-rendered
+            /// bitmap.
+            MTF_LOAD_FOREIGN_SOURCE = 2,
+            /// retrieve a meta file for the page background only
+            MTF_LOAD_BACKGROUND_ONLY = 4,
+            /// retrieve the drawing layer scroll text metafile
+            MTF_LOAD_SCROLL_TEXT_MTF = 8
+        };
+
+        // Animation info
+        // ==============
+
+        struct MtfAnimationFrame
+        {
+            MtfAnimationFrame( const GDIMetaFileSharedPtr& rMtf,
+                               double                      nDuration ) :
+                mpMtf( rMtf ),
+                mnDuration( nDuration )
+            {
+            }
+
+            /// Enables STL algos to be used for duration extraction
+            double getDuration() const
+            {
+                return mnDuration;
+            }
+
+            GDIMetaFileSharedPtr    mpMtf;
+            double                  mnDuration;
+        };
+
+        typedef ::std::vector< MtfAnimationFrame > VectorOfMtfAnimationFrames;
+
+
+        /** Retrieve a meta file for the given shape
+
+            @param xShape
+            XShape to retrieve a metafile for.
+
+            @param xContainingPage
+            The page that contains this shape. Needed for proper
+            import (currently, the UnoGraphicExporter needs this
+            information).
+
+        */
+        GDIMetaFileSharedPtr getMetaFile( const css::uno::Reference< css::lang::XComponent >&        xSource,
+                                          const css::uno::Reference< css::drawing::XDrawPage >&      xContainingPage,
+                                          int                                                        mtfLoadFlags,
+                                          const css::uno::Reference< css::uno::XComponentContext >&  rxContext );
+
+        /** Gets the next action offset for iterating meta actions which is most
+            often returns 1.
+        */
+        sal_Int32 getNextActionOffset( MetaAction * pCurrAct );
+
+        /** Extract a vector of animation frames from given Graphic.
+
+            @param o_rFrames
+            Resulting vector of animated metafiles
+
+            @param o_rLoopCount
+            Number of times the bitmap animation shall be repeated
+
+            @param rGraphic
+            Input graphic object, to extract animations from
+         */
+        bool getAnimationFromGraphic(VectorOfMtfAnimationFrames& o_rFrames,
+                                     sal_uInt32&                 o_rLoopCount,
+                                     const Graphic&              rGraphic);
+
+        /** Retrieve scroll text animation rectangles from given metafile
+
+            @return true, if both rectangles have been found, false
+            otherwise.
+         */
+        bool getRectanglesFromScrollMtf( ::basegfx::B2DRectangle&       o_rScrollRect,
+                                         ::basegfx::B2DRectangle&       o_rPaintRect,
+                                         const GDIMetaFileSharedPtr&    rMtf );
+}
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_GDIMTFTOOLS_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/intrinsicanimationactivity.cxx b/slideshow/source/engine/shapes/intrinsicanimationactivity.cxx
new file mode 100644
index 000000000..bcc353e0d
--- /dev/null
+++ b/slideshow/source/engine/shapes/intrinsicanimationactivity.cxx
@@ -0,0 +1,249 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <tools/diagnose_ex.h>
+
+#include <subsettableshapemanager.hxx>
+#include <eventqueue.hxx>
+#include "intrinsicanimationactivity.hxx"
+#include <intrinsicanimationeventhandler.hxx>
+
+#include <memory>
+
+namespace slideshow::internal
+{
+        namespace {
+
+        /** Activity for intrinsic shape animations
+
+            This is an Activity interface implementation for intrinsic
+            shape animations. Intrinsic shape animations are
+            animations directly within a shape, e.g. drawing layer
+            animations, or GIF animations.
+         */
+        class IntrinsicAnimationActivity : public Activity
+        {
+        public:
+            /** Create an IntrinsicAnimationActivity.
+
+                @param rContext
+                Common slideshow objects
+
+                @param rDrawShape
+                Shape to control the intrinsic animation for
+
+                @param rWakeupEvent
+                Externally generated wakeup event, to set this
+                activity to sleep during inter-frame intervals. Must
+                come from the outside, since wakeup event and this
+                object have mutual references to each other.
+
+                @param rTimeouts
+                Vector of timeout values, to wait before the next
+                frame is shown.
+             */
+            IntrinsicAnimationActivity( const SlideShowContext&         rContext,
+                                        const DrawShapeSharedPtr&       rDrawShape,
+                                        const WakeupEventSharedPtr&     rWakeupEvent,
+                                        ::std::vector<double>&&         rTimeouts,
+                                        ::std::size_t                   nNumLoops );
+            IntrinsicAnimationActivity(const IntrinsicAnimationActivity&) = delete;
+            IntrinsicAnimationActivity& operator=(const IntrinsicAnimationActivity&) = delete;
+
+            virtual void dispose() override;
+            virtual double calcTimeLag() const override;
+            virtual bool perform() override;
+            virtual bool isActive() const override;
+            virtual void dequeued() override;
+            virtual void end() override;
+
+            bool enableAnimations();
+
+        private:
+            SlideShowContext                        maContext;
+            std::weak_ptr<DrawShape>              mpDrawShape;
+            WakeupEventSharedPtr                    mpWakeupEvent;
+            IntrinsicAnimationEventHandlerSharedPtr mpListener;
+            ::std::vector<double>                   maTimeouts;
+            ::std::size_t                           mnCurrIndex;
+            ::std::size_t                           mnNumLoops;
+            ::std::size_t                           mnLoopCount;
+            bool                                    mbIsActive;
+        };
+
+
+        class IntrinsicAnimationListener : public IntrinsicAnimationEventHandler
+        {
+        public:
+            explicit IntrinsicAnimationListener( IntrinsicAnimationActivity& rActivity ) :
+                mrActivity( rActivity )
+            {}
+            IntrinsicAnimationListener(const IntrinsicAnimationListener&) = delete;
+            IntrinsicAnimationListener& operator=(const IntrinsicAnimationListener&) = delete;
+
+        private:
+
+            virtual bool enableAnimations() override { return mrActivity.enableAnimations(); }
+            virtual bool disableAnimations() override { mrActivity.end(); return true; }
+
+            IntrinsicAnimationActivity& mrActivity;
+        };
+
+        }
+
+        IntrinsicAnimationActivity::IntrinsicAnimationActivity( const SlideShowContext&         rContext,
+                                                                const DrawShapeSharedPtr&       rDrawShape,
+                                                                const WakeupEventSharedPtr&     rWakeupEvent,
+                                                                ::std::vector<double>&&         rTimeouts,
+                                                                ::std::size_t                   nNumLoops ) :
+            maContext( rContext ),
+            mpDrawShape( rDrawShape ),
+            mpWakeupEvent( rWakeupEvent ),
+            mpListener( std::make_shared<IntrinsicAnimationListener>(*this) ),
+            maTimeouts( std::move(rTimeouts) ),
+            mnCurrIndex(0),
+            mnNumLoops(nNumLoops),
+            mnLoopCount(0),
+            mbIsActive(false)
+        {
+            ENSURE_OR_THROW( rContext.mpSubsettableShapeManager,
+                              "IntrinsicAnimationActivity::IntrinsicAnimationActivity(): Invalid shape manager" );
+            ENSURE_OR_THROW( rDrawShape,
+                              "IntrinsicAnimationActivity::IntrinsicAnimationActivity(): Invalid draw shape" );
+            ENSURE_OR_THROW( rWakeupEvent,
+                              "IntrinsicAnimationActivity::IntrinsicAnimationActivity(): Invalid wakeup event" );
+            ENSURE_OR_THROW( !maTimeouts.empty(),
+                              "IntrinsicAnimationActivity::IntrinsicAnimationActivity(): Empty timeout vector" );
+
+            maContext.mpSubsettableShapeManager->addIntrinsicAnimationHandler(
+                mpListener );
+        }
+
+        void IntrinsicAnimationActivity::dispose()
+        {
+            end();
+
+            if( mpWakeupEvent )
+                mpWakeupEvent->dispose();
+
+            maContext.dispose();
+            mpDrawShape.reset();
+            mpWakeupEvent.reset();
+            maTimeouts.clear();
+            mnCurrIndex = 0;
+
+            maContext.mpSubsettableShapeManager->removeIntrinsicAnimationHandler(
+                mpListener );
+        }
+
+        double IntrinsicAnimationActivity::calcTimeLag() const
+        {
+            return 0.0;
+        }
+
+        bool IntrinsicAnimationActivity::perform()
+        {
+            if( !isActive() )
+                return false;
+
+            DrawShapeSharedPtr pDrawShape( mpDrawShape.lock() );
+            if( !pDrawShape || !mpWakeupEvent )
+            {
+                // event or draw shape vanished, no sense living on ->
+                // commit suicide.
+                dispose();
+                return false;
+            }
+
+            const ::std::size_t nNumFrames(maTimeouts.size());
+
+            // mnNumLoops == 0 means infinite looping
+            if( mnNumLoops != 0 &&
+                mnLoopCount >= mnNumLoops )
+            {
+                // #i55294# After finishing the loops, display the last frame
+                // powerpoint 2013 and firefox etc show the last frame when
+                // the animation ends
+                pDrawShape->setIntrinsicAnimationFrame(nNumFrames - 1);
+                maContext.mpSubsettableShapeManager->notifyShapeUpdate( pDrawShape );
+
+                end();
+
+                return false;
+            }
+
+            ::std::size_t       nNewIndex = 0;
+
+            pDrawShape->setIntrinsicAnimationFrame( mnCurrIndex );
+
+            mpWakeupEvent->start();
+            mpWakeupEvent->setNextTimeout( maTimeouts[mnCurrIndex] );
+
+            mnLoopCount += (mnCurrIndex + 1) / nNumFrames;
+            nNewIndex = (mnCurrIndex + 1) % nNumFrames;
+
+            maContext.mrEventQueue.addEvent( mpWakeupEvent );
+            maContext.mpSubsettableShapeManager->notifyShapeUpdate( pDrawShape );
+            mnCurrIndex = nNewIndex;
+
+            return false; // don't reinsert, WakeupEvent will perform
+                          // that after the given timeout
+        }
+
+        bool IntrinsicAnimationActivity::isActive() const
+        {
+            return mbIsActive;
+        }
+
+        void IntrinsicAnimationActivity::dequeued()
+        {
+            // not used here
+        }
+
+        void IntrinsicAnimationActivity::end()
+        {
+            // there is no dedicated end state, just become inactive:
+            mbIsActive = false;
+        }
+
+        bool IntrinsicAnimationActivity::enableAnimations()
+        {
+            mbIsActive = true;
+            return maContext.mrActivitiesQueue.addActivity( std::dynamic_pointer_cast<Activity>(shared_from_this()) );
+
+        }
+
+
+        ActivitySharedPtr createIntrinsicAnimationActivity(
+            const SlideShowContext&         rContext,
+            const DrawShapeSharedPtr&       rDrawShape,
+            const WakeupEventSharedPtr&     rWakeupEvent,
+            ::std::vector<double>&&         rTimeouts,
+            sal_uInt32                      nNumLoops)
+        {
+            return std::make_shared<IntrinsicAnimationActivity>(rContext,
+                                               rDrawShape,
+                                               rWakeupEvent,
+                                               std::move(rTimeouts),
+                                               nNumLoops);
+        }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/intrinsicanimationactivity.hxx b/slideshow/source/engine/shapes/intrinsicanimationactivity.hxx
new file mode 100644
index 000000000..6933c7cff
--- /dev/null
+++ b/slideshow/source/engine/shapes/intrinsicanimationactivity.hxx
@@ -0,0 +1,66 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_INTRINSICANIMATIONACTIVITY_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_INTRINSICANIMATIONACTIVITY_HXX
+
+#include <wakeupevent.hxx>
+#include <activity.hxx>
+#include <slideshowcontext.hxx>
+#include "drawshape.hxx"
+
+/* Definition of IntrinsicAnimationActivity class */
+
+namespace slideshow::internal
+    {
+        /** Create an IntrinsicAnimationActivity.
+
+            This is an Activity interface implementation for intrinsic
+            shape animations. Intrinsic shape animations are
+            animations directly within a shape, e.g. drawing layer
+            animations, or GIF animations.
+
+            @param rContext
+            Common slideshow objects
+
+            @param rDrawShape
+            Shape to control the intrinsic animation for
+
+            @param rWakeupEvent
+            Externally generated wakeup event, to set this
+            activity to sleep during inter-frame intervals. Must
+            come from the outside, since wakeup event and this
+            object have mutual references to each other.
+
+            @param rTimeouts
+            Vector of timeout values, to wait before the next
+            frame is shown.
+        */
+        ActivitySharedPtr createIntrinsicAnimationActivity(
+            const SlideShowContext&         rContext,
+            const DrawShapeSharedPtr&       rDrawShape,
+            const WakeupEventSharedPtr&     rWakeupEvent,
+            ::std::vector<double>&&         rTimeouts,
+            sal_uInt32                      nNumLoops);
+
+}
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_INTRINSICANIMATIONACTIVITY_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/mediashape.cxx b/slideshow/source/engine/shapes/mediashape.cxx
new file mode 100644
index 000000000..a5cbb926f
--- /dev/null
+++ b/slideshow/source/engine/shapes/mediashape.cxx
@@ -0,0 +1,257 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <com/sun/star/drawing/XShape.hpp>
+#include <o3tl/safeint.hxx>
+#include <osl/diagnose.h>
+
+#include "mediashape.hxx"
+#include "viewmediashape.hxx"
+#include "externalshapebase.hxx"
+#include <slideshowcontext.hxx>
+#include <shape.hxx>
+#include <tools.hxx>
+
+#include <algorithm>
+
+
+using namespace ::com::sun::star;
+
+
+namespace slideshow::internal
+{
+        namespace {
+
+        /** Represents a media shape.
+
+            This implementation offers support for media shapes.
+            Such shapes need special treatment.
+         */
+        class MediaShape : public ExternalShapeBase
+        {
+        public:
+            /** Create a shape for the given XShape for a media object
+
+                @param xShape
+                The XShape to represent.
+
+                @param nPrio
+                Externally-determined shape priority (used e.g. for
+                paint ordering). This number _must be_ unique!
+             */
+            MediaShape( const css::uno::Reference< css::drawing::XShape >& xShape,
+                        double                                      nPrio,
+                        const SlideShowContext&                     rContext ); // throw ShapeLoadFailedException;
+
+        private:
+
+            // View layer methods
+
+
+            virtual void addViewLayer( const ViewLayerSharedPtr&    rNewLayer,
+                                       bool                         bRedrawLayer ) override;
+            virtual bool removeViewLayer( const ViewLayerSharedPtr& rNewLayer ) override;
+            virtual void clearAllViewLayers() override;
+
+
+            // ExternalShapeBase methods
+
+
+            virtual bool implRender( const ::basegfx::B2DRange& rCurrBounds ) const override;
+            virtual void implViewChanged( const UnoViewSharedPtr& rView ) override;
+            virtual void implViewsChanged() override;
+            virtual bool implStartIntrinsicAnimation() override;
+            virtual bool implEndIntrinsicAnimation() override;
+            virtual void implPauseIntrinsicAnimation() override;
+            virtual bool implIsIntrinsicAnimationPlaying() const override;
+            virtual void implSetIntrinsicAnimationTime(double) override;
+            void implSetLooping(bool bLooping) override;
+
+            /// the list of active view shapes (one for each registered view layer)
+            typedef ::std::vector< ViewMediaShapeSharedPtr > ViewMediaShapeVector;
+            ViewMediaShapeVector                             maViewMediaShapes;
+            bool                                             mbIsPlaying;
+        };
+
+        }
+
+        MediaShape::MediaShape( const uno::Reference< drawing::XShape >& xShape,
+                                  double                                     nPrio,
+                                const SlideShowContext&                  rContext ) :
+            ExternalShapeBase( xShape, nPrio, rContext ),
+            maViewMediaShapes(),
+            mbIsPlaying(false)
+        {
+        }
+
+
+        void MediaShape::implViewChanged( const UnoViewSharedPtr& rView )
+        {
+            const ::basegfx::B2DRectangle& rBounds = getBounds();
+            // determine ViewMediaShape that needs update
+            for( const auto& pViewMediaShape : maViewMediaShapes )
+                if( pViewMediaShape->getViewLayer()->isOnView( rView ) )
+                    pViewMediaShape->resize( rBounds );
+        }
+
+
+        void MediaShape::implViewsChanged()
+        {
+            const ::basegfx::B2DRectangle& rBounds = getBounds();
+            // resize all ViewShapes
+            for( const auto& pViewMediaShape : maViewMediaShapes )
+                pViewMediaShape->resize( rBounds );
+        }
+
+
+        void MediaShape::addViewLayer( const ViewLayerSharedPtr& rNewLayer,
+                                       bool                      bRedrawLayer )
+        {
+            maViewMediaShapes.push_back(
+                std::make_shared<ViewMediaShape>( rNewLayer,
+                                                  getXShape(),
+                                                  mxComponentContext ));
+
+            // push new size to view shape
+            maViewMediaShapes.back()->resize( getBounds() );
+
+            // render the Shape on the newly added ViewLayer
+            if( bRedrawLayer )
+                maViewMediaShapes.back()->render( getBounds() );
+        }
+
+
+        bool MediaShape::removeViewLayer( const ViewLayerSharedPtr& rLayer )
+        {
+            const ViewMediaShapeVector::iterator aEnd( maViewMediaShapes.end() );
+
+            OSL_ENSURE( ::std::count_if(maViewMediaShapes.begin(),
+                                        aEnd,
+                                        [&rLayer]
+                                        ( const ViewMediaShapeSharedPtr& pShape )
+                                        { return rLayer == pShape->getViewLayer(); } ) < 2,
+                        "MediaShape::removeViewLayer(): Duplicate ViewLayer entries!" );
+
+            ViewMediaShapeVector::iterator aIter;
+
+            if( (aIter=::std::remove_if( maViewMediaShapes.begin(),
+                                         aEnd,
+                                         [&rLayer]
+                                         ( const ViewMediaShapeSharedPtr& pShape )
+                                         { return rLayer == pShape->getViewLayer(); } ) ) == aEnd )
+            {
+                // view layer seemingly was not added, failed
+                return false;
+            }
+
+            // actually erase from container
+            maViewMediaShapes.erase( aIter, aEnd );
+
+            return true;
+        }
+
+
+        void MediaShape::clearAllViewLayers()
+        {
+            maViewMediaShapes.clear();
+        }
+
+
+        bool MediaShape::implRender( const ::basegfx::B2DRange& rCurrBounds ) const
+        {
+            // redraw all view shapes, by calling their update() method
+            if( o3tl::make_unsigned(::std::count_if( maViewMediaShapes.begin(),
+                                 maViewMediaShapes.end(),
+                                 [&rCurrBounds]
+                                 ( const ViewMediaShapeSharedPtr& pShape )
+                                 { return pShape->render( rCurrBounds ); } ))
+                != maViewMediaShapes.size() )
+            {
+                // at least one of the ViewShape::update() calls did return
+                // false - update failed on at least one ViewLayer
+                return false;
+            }
+
+            return true;
+        }
+
+
+        bool MediaShape::implStartIntrinsicAnimation()
+        {
+            for( const auto& pViewMediaShape : maViewMediaShapes )
+                pViewMediaShape->startMedia();
+
+            mbIsPlaying = true;
+
+            return true;
+        }
+
+
+        bool MediaShape::implEndIntrinsicAnimation()
+        {
+            for( const auto& pViewMediaShape : maViewMediaShapes )
+                pViewMediaShape->endMedia();
+
+            mbIsPlaying = false;
+
+            return true;
+        }
+
+
+        void MediaShape::implPauseIntrinsicAnimation()
+        {
+            for( const auto& pViewMediaShape : maViewMediaShapes )
+                pViewMediaShape->pauseMedia();
+
+            mbIsPlaying = false;
+        }
+
+
+        bool MediaShape::implIsIntrinsicAnimationPlaying() const
+        {
+            return mbIsPlaying;
+        }
+
+
+        void MediaShape::implSetIntrinsicAnimationTime(double fTime)
+        {
+            for( const auto& pViewMediaShape : maViewMediaShapes )
+                pViewMediaShape->setMediaTime( fTime );
+        }
+
+        void MediaShape::implSetLooping(bool bLooping)
+        {
+            for (const auto& pViewMediaShape : maViewMediaShapes)
+            {
+                pViewMediaShape->setLooping(bLooping);
+            }
+        }
+
+        ShapeSharedPtr createMediaShape(
+            const uno::Reference< drawing::XShape >& xShape,
+            double                                   nPrio,
+            const SlideShowContext&                  rContext)
+        {
+            return std::make_shared<MediaShape>(xShape, nPrio, rContext);
+        }
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/mediashape.hxx b/slideshow/source/engine/shapes/mediashape.hxx
new file mode 100644
index 000000000..4b2a542ee
--- /dev/null
+++ b/slideshow/source/engine/shapes/mediashape.hxx
@@ -0,0 +1,44 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_MEDIASHAPE_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_MEDIASHAPE_HXX
+
+#include <com/sun/star/uno/Reference.hxx>
+#include <memory>
+
+
+namespace com::sun::star::drawing { class XShape; }
+
+namespace slideshow::internal
+{
+        struct SlideShowContext;
+        class  Shape;
+        typedef ::std::shared_ptr< Shape > ShapeSharedPtr;
+
+        ShapeSharedPtr createMediaShape(
+            const css::uno::Reference<css::drawing::XShape >& xShape,
+            double                                     nPrio,
+            const SlideShowContext&                    rContext);
+
+}
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_MEDIASHAPE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/shapeimporter.cxx b/slideshow/source/engine/shapes/shapeimporter.cxx
new file mode 100644
index 000000000..d896caa55
--- /dev/null
+++ b/slideshow/source/engine/shapes/shapeimporter.cxx
@@ -0,0 +1,537 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <vcl/GraphicObject.hxx>
+#include <basegfx/point/b2dpoint.hxx>
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <cppcanvas/basegfxfactory.hxx>
+#include <cppcanvas/polypolygon.hxx>
+#include <com/sun/star/awt/Rectangle.hpp>
+#include <com/sun/star/drawing/ColorMode.hpp>
+#include <com/sun/star/text/GraphicCrop.hpp>
+#include <com/sun/star/drawing/PointSequenceSequence.hpp>
+#include <com/sun/star/drawing/PointSequence.hpp>
+#include <com/sun/star/drawing/XLayerSupplier.hpp>
+#include <com/sun/star/drawing/XLayerManager.hpp>
+#include <com/sun/star/graphic/XGraphic.hpp>
+#include <com/sun/star/container/XNameAccess.hpp>
+#include <com/sun/star/drawing/XDrawPagesSupplier.hpp>
+
+#include "drawshape.hxx"
+#include "backgroundshape.hxx"
+#include "mediashape.hxx"
+#include "appletshape.hxx"
+#include <shapeimporter.hxx>
+#include <slideshowexceptions.hxx>
+#include <tools.hxx>
+#include <slideshowcontext.hxx>
+#include <unoviewcontainer.hxx>
+
+#include <memory>
+
+using namespace com::sun::star;
+
+namespace slideshow::internal {
+
+namespace {
+
+std::unique_ptr<GraphicObject> importShapeGraphic(uno::Reference<beans::XPropertySet> const& xPropSet)
+{
+    std::unique_ptr<GraphicObject> xRet;
+
+    uno::Reference<graphic::XGraphic> xGraphic;
+    if (!getPropertyValue(xGraphic, xPropSet, "Graphic") || !xGraphic.is())
+    {
+        // no or empty property - cannot import shape graphic
+        return xRet;
+    }
+
+    Graphic aGraphic(xGraphic);
+    xRet.reset(new GraphicObject(aGraphic));
+
+    if (GraphicType::Default == xRet->GetType() || GraphicType::NONE == xRet->GetType())
+    {
+        xRet.reset();
+    }
+    return xRet;
+}
+
+/** This shape implementation just acts as a dummy for the layermanager.
+    Its sole role is for hit test detection of group shapes.
+*/
+class ShapeOfGroup : public Shape
+{
+public:
+    ShapeOfGroup( ShapeSharedPtr const&                      pGroupShape,
+                  uno::Reference<drawing::XShape> const&     xShape,
+                  uno::Reference<beans::XPropertySet> const& xPropSet,
+                  double                                     nPrio );
+
+    // Shape:
+    virtual uno::Reference<drawing::XShape> getXShape() const override;
+    virtual void addViewLayer( ViewLayerSharedPtr const& pNewLayer,
+                               bool                      bRedrawLayer ) override;
+    virtual bool removeViewLayer( ViewLayerSharedPtr const& pNewLayer ) override;
+    virtual void clearAllViewLayers() override;
+    virtual bool update() const override;
+    virtual bool render() const override;
+    virtual bool isContentChanged() const override;
+    virtual basegfx::B2DRectangle getBounds() const override;
+    virtual basegfx::B2DRectangle getDomBounds() const override;
+    virtual basegfx::B2DRectangle getUpdateArea() const override;
+    virtual bool isVisible() const override;
+    virtual double getPriority() const override;
+    virtual bool isBackgroundDetached() const override;
+
+private:
+    ShapeSharedPtr const                  mpGroupShape;
+    uno::Reference<drawing::XShape> const mxShape;
+    double const                          mnPrio;
+    basegfx::B2DPoint                     maPosOffset;
+    double                                mnWidth;
+    double                                mnHeight;
+};
+
+ShapeOfGroup::ShapeOfGroup( ShapeSharedPtr const&                      pGroupShape,
+                            uno::Reference<drawing::XShape> const&     xShape,
+                            uno::Reference<beans::XPropertySet> const& xPropSet,
+                            double                                     nPrio ) :
+    mpGroupShape(pGroupShape),
+    mxShape(xShape),
+    mnPrio(nPrio)
+{
+    // read bound rect
+    uno::Any const aTmpRect_( xPropSet->getPropertyValue( "BoundRect" ));
+    awt::Rectangle const aTmpRect( aTmpRect_.get<awt::Rectangle>() );
+    basegfx::B2DRectangle const groupPosSize( pGroupShape->getBounds() );
+    maPosOffset = basegfx::B2DPoint( aTmpRect.X - groupPosSize.getMinX(),
+                                     aTmpRect.Y - groupPosSize.getMinY() );
+    mnWidth = aTmpRect.Width;
+    mnHeight = aTmpRect.Height;
+}
+
+uno::Reference<drawing::XShape> ShapeOfGroup::getXShape() const
+{
+    return mxShape;
+}
+
+void ShapeOfGroup::addViewLayer( ViewLayerSharedPtr const& /*pNewLayer*/,
+                                 bool                      /*bRedrawLayer*/ )
+{
+}
+
+bool ShapeOfGroup::removeViewLayer( ViewLayerSharedPtr const& /*pNewLayer*/ )
+{
+    return true;
+}
+
+void ShapeOfGroup::clearAllViewLayers()
+{
+}
+
+bool ShapeOfGroup::update() const
+{
+    return true;
+}
+
+bool ShapeOfGroup::render() const
+{
+    return true;
+}
+
+bool ShapeOfGroup::isContentChanged() const
+{
+    return false;
+}
+
+basegfx::B2DRectangle ShapeOfGroup::getBounds() const
+{
+    basegfx::B2DRectangle const groupPosSize( mpGroupShape->getBounds() );
+    double const posX = groupPosSize.getMinX() + maPosOffset.getX();
+    double const posY = groupPosSize.getMinY() + maPosOffset.getY();
+    return basegfx::B2DRectangle( posX, posY, posX + mnWidth, posY + mnHeight );
+}
+
+basegfx::B2DRectangle ShapeOfGroup::getDomBounds() const
+{
+    return getBounds();
+}
+
+basegfx::B2DRectangle ShapeOfGroup::getUpdateArea() const
+{
+    return getBounds();
+}
+
+bool ShapeOfGroup::isVisible() const
+{
+    return mpGroupShape->isVisible();
+}
+
+double ShapeOfGroup::getPriority() const
+{
+    return mnPrio;
+}
+
+bool ShapeOfGroup::isBackgroundDetached() const
+{
+    return false;
+}
+
+} // anon namespace
+
+ShapeSharedPtr ShapeImporter::createShape(
+    uno::Reference<drawing::XShape> const& xCurrShape,
+    uno::Reference<beans::XPropertySet> const& xPropSet,
+    std::u16string_view shapeType ) const
+{
+    if( shapeType == u"com.sun.star.drawing.MediaShape" || shapeType == u"com.sun.star.presentation.MediaShape" )
+    {
+        // Media shape (video etc.). This is a special object
+        return createMediaShape(xCurrShape,
+                                mnAscendingPrio,
+                                mrContext);
+    }
+    else if( shapeType == u"com.sun.star.drawing.AppletShape" )
+    {
+        // PropertyValues to copy from XShape to applet
+        static const char* aPropertyValues[] =
+            {
+                "AppletCodeBase",
+                "AppletName",
+                "AppletCode",
+                "AppletCommands",
+                "AppletIsScript"
+            };
+
+        // (Java)Applet shape. This is a special object
+        return createAppletShape( xCurrShape,
+                                  mnAscendingPrio,
+                                  "com.sun.star.comp.sfx2.AppletObject",
+                                  aPropertyValues,
+                                  SAL_N_ELEMENTS(aPropertyValues),
+                                  mrContext );
+    }
+    else if( shapeType == u"com.sun.star.drawing.OLE2Shape" || shapeType == u"com.sun.star.presentation.OLE2Shape" )
+    {
+        // #i46224# Mark OLE shapes as foreign content - scan them for
+        // unsupported actions, and fallback to bitmap, if necessary
+        return DrawShape::create( xCurrShape,
+                                  mxPage,
+                                  mnAscendingPrio,
+                                  true,
+                                  mrContext );
+    }
+    else if( shapeType == u"com.sun.star.drawing.GraphicObjectShape" || shapeType == u"com.sun.star.presentation.GraphicObjectShape" )
+    {
+        // to get hold of GIF animations, inspect Graphic
+        // objects more thoroughly (the plain-jane shape
+        // metafile of course would only contain the first
+        // animation frame)
+        std::unique_ptr<GraphicObject> xGraphicObject(importShapeGraphic(xPropSet));
+        if (!xGraphicObject)
+            return ShapeSharedPtr(); // error loading graphic -
+                                     // no placeholders in
+                                     // slideshow
+
+        if (!xGraphicObject->IsAnimated())
+        {
+            // no animation - simply utilize plain draw shape import
+
+            // import shape as bitmap - either it's a bitmap
+            // anyway, or it's a metafile, which currently the
+            // metafile renderer might not display correctly.
+            return DrawShape::create( xCurrShape,
+                                      mxPage,
+                                      mnAscendingPrio,
+                                      true,
+                                      mrContext );
+        }
+
+
+        // now extract relevant shape attributes via API
+
+
+        drawing::ColorMode eColorMode( drawing::ColorMode_STANDARD );
+        sal_Int16 nLuminance(0);
+        sal_Int16 nContrast(0);
+        sal_Int16 nRed(0);
+        sal_Int16 nGreen(0);
+        sal_Int16 nBlue(0);
+        double    nGamma(1.0);
+        sal_Int16 nTransparency(0);
+        sal_Int32 nRotation(0);
+
+        getPropertyValue( eColorMode, xPropSet, "GraphicColorMode" );
+        getPropertyValue( nLuminance, xPropSet, "AdjustLuminance" );
+        getPropertyValue( nContrast, xPropSet, "AdjustContrast" );
+        getPropertyValue( nRed, xPropSet, "AdjustRed" );
+        getPropertyValue( nGreen, xPropSet, "AdjustGreen" );
+        getPropertyValue( nBlue, xPropSet, "AdjustBlue" );
+        getPropertyValue( nGamma, xPropSet, "Gamma" );
+        getPropertyValue( nTransparency, xPropSet, "Transparency" );
+        getPropertyValue( nRotation, xPropSet, "RotateAngle" );
+
+        GraphicAttr aGraphAttrs;
+        aGraphAttrs.SetDrawMode( static_cast<GraphicDrawMode>(eColorMode) );
+        aGraphAttrs.SetLuminance( nLuminance );
+        aGraphAttrs.SetContrast( nContrast );
+        aGraphAttrs.SetChannelR( nRed );
+        aGraphAttrs.SetChannelG( nGreen );
+        aGraphAttrs.SetChannelB( nBlue );
+        aGraphAttrs.SetGamma( nGamma );
+        aGraphAttrs.SetAlpha( 255 - static_cast<sal_uInt8>(nTransparency) );
+        aGraphAttrs.SetRotation( Degree10(static_cast<sal_Int16>(nRotation*10)) );
+
+        text::GraphicCrop aGraphCrop;
+        if( getPropertyValue( aGraphCrop, xPropSet, "GraphicCrop" ))
+        {
+            aGraphAttrs.SetCrop( aGraphCrop.Left,
+                                 aGraphCrop.Top,
+                                 aGraphCrop.Right,
+                                 aGraphCrop.Bottom );
+        }
+
+        // fetch readily transformed and color-modified
+        // graphic
+
+
+        Graphic aGraphic(
+            xGraphicObject->GetTransformedGraphic(
+                xGraphicObject->GetPrefSize(),
+                xGraphicObject->GetPrefMapMode(),
+                aGraphAttrs ) );
+
+        return DrawShape::create( xCurrShape,
+                                  mxPage,
+                                  mnAscendingPrio,
+                                  aGraphic,
+                                  mrContext );
+    }
+    else
+    {
+        return DrawShape::create( xCurrShape,
+                                  mxPage,
+                                  mnAscendingPrio,
+                                  false,
+                                  mrContext );
+    }
+}
+
+bool ShapeImporter::isSkip(
+    uno::Reference<beans::XPropertySet> const& xPropSet,
+    std::u16string_view shapeType,
+    uno::Reference< drawing::XLayer> const& xLayer )
+{
+    // skip empty presentation objects:
+    bool bEmpty = false;
+    if( getPropertyValue( bEmpty,
+                          xPropSet,
+                          "IsEmptyPresentationObject") &&
+        bEmpty )
+    {
+        return true;
+    }
+
+    //skip shapes which corresponds to annotations
+    if(xLayer.is())
+    {
+        OUString layerName;
+        const uno::Any& a(xLayer->getPropertyValue("Name") );
+        bool const bRet = (a >>= layerName);
+        if(bRet)
+        {
+            if( layerName == "DrawnInSlideshow" )
+            {
+                //Transform shapes into PolyPolygons
+                importPolygons(xPropSet);
+
+                return true;
+            }
+        }
+    }
+
+    // don't export presentation placeholders on masterpage
+    // they can be non empty when user edits the default texts
+    if(mbConvertingMasterPage)
+    {
+        if( shapeType == u"com.sun.star.presentation.TitleTextShape" || shapeType == u"com.sun.star.presentation.OutlinerShape" )
+        {
+            return true;
+        }
+    }
+    return false;
+}
+
+
+void ShapeImporter::importPolygons(uno::Reference<beans::XPropertySet> const& xPropSet) {
+
+    drawing::PointSequenceSequence aRetval;
+    sal_Int32           nLineColor=0;
+    double              fLineWidth;
+    getPropertyValue( aRetval, xPropSet, "PolyPolygon" );
+    getPropertyValue( nLineColor, xPropSet, "LineColor" );
+    getPropertyValue( fLineWidth, xPropSet, "LineWidth" );
+
+    const drawing::PointSequence* pOuterSequence = aRetval.getArray();
+
+    ::basegfx::B2DPolygon aPoly;
+    basegfx::B2DPoint aPoint;
+    for( const awt::Point& rPoint : *pOuterSequence )
+    {
+        aPoint.setX(rPoint.X);
+        aPoint.setY(rPoint.Y);
+        aPoly.append( aPoint );
+    }
+    for( const auto& pView : mrContext.mrViewContainer )
+    {
+        ::cppcanvas::PolyPolygonSharedPtr pPolyPoly(
+            ::cppcanvas::BaseGfxFactory::createPolyPolygon( pView->getCanvas(),
+                                                            aPoly ) );
+        if( pPolyPoly )
+        {
+                pPolyPoly->setRGBALineColor( unoColor2RGBColor( nLineColor ).getIntegerColor() );
+                pPolyPoly->setStrokeWidth(fLineWidth);
+                pPolyPoly->draw();
+                maPolygons.push_back(pPolyPoly);
+        }
+    }
+}
+
+ShapeSharedPtr ShapeImporter::importBackgroundShape() // throw (ShapeLoadFailedException)
+{
+    if( maShapesStack.empty() )
+        throw ShapeLoadFailedException();
+
+    XShapesEntry& rTop = maShapesStack.top();
+    ShapeSharedPtr pBgShape(
+        createBackgroundShape(mxPage,
+                              uno::Reference<drawing::XDrawPage>(
+                                  rTop.mxShapes,
+                                  uno::UNO_QUERY_THROW),
+                              mrContext) );
+    mnAscendingPrio += 1.0;
+
+    return pBgShape;
+}
+
+ShapeSharedPtr ShapeImporter::importShape() // throw (ShapeLoadFailedException)
+{
+    ShapeSharedPtr pRet;
+    bool bIsGroupShape = false;
+
+    while( !maShapesStack.empty() && !pRet )
+    {
+        XShapesEntry& rTop = maShapesStack.top();
+        if( rTop.mnPos < rTop.mnCount )
+        {
+            uno::Reference<drawing::XShape> const xCurrShape(
+                rTop.mxShapes->getByIndex( rTop.mnPos ), uno::UNO_QUERY );
+            ++rTop.mnPos;
+            uno::Reference<beans::XPropertySet> xPropSet(
+                xCurrShape, uno::UNO_QUERY );
+            if( !xPropSet.is() )
+            {
+                // we definitely need the properties of
+                // the shape here. This will also fail,
+                // if getByIndex did not return a valid
+                // shape
+                throw ShapeLoadFailedException();
+            }
+
+            //Retrieve the layer for the current shape
+            uno::Reference< drawing::XLayer > xDrawnInSlideshow;
+
+            uno::Reference< drawing::XLayerSupplier > xLayerSupplier(mxPagesSupplier, uno::UNO_QUERY);
+            if(xLayerSupplier.is())
+            {
+                uno::Reference< container::XNameAccess > xNameAccess = xLayerSupplier->getLayerManager();
+
+                uno::Reference< drawing::XLayerManager > xLayerManager(xNameAccess, uno::UNO_QUERY);
+
+                xDrawnInSlideshow = xLayerManager->getLayerForShape(xCurrShape);
+            }
+
+            OUString const shapeType( xCurrShape->getShapeType());
+
+            // is this shape presentation-invisible?
+            if( !isSkip(xPropSet, shapeType, xDrawnInSlideshow) )
+            {
+                bIsGroupShape = shapeType == "com.sun.star.drawing.GroupShape";
+
+                if( rTop.mpGroupShape ) // in group particle mode?
+                {
+                    pRet = std::make_shared<ShapeOfGroup>(
+                                    rTop.mpGroupShape /* container shape */,
+                                    xCurrShape, xPropSet,
+                                    mnAscendingPrio );
+                }
+                else
+                {
+                    pRet = createShape( xCurrShape, xPropSet, shapeType );
+                }
+                mnAscendingPrio += 1.0;
+            }
+        }
+        if( rTop.mnPos >= rTop.mnCount )
+        {
+            // group or top-level shapes finished:
+            maShapesStack.pop();
+        }
+        if( bIsGroupShape && pRet )
+        {
+            // push new group on the stack: group traversal
+            maShapesStack.push( XShapesEntry( pRet ) );
+        }
+    }
+
+    return pRet;
+}
+
+bool ShapeImporter::isImportDone() const
+{
+    return maShapesStack.empty();
+}
+
+const PolyPolygonVector& ShapeImporter::getPolygons() const
+{
+    return maPolygons;
+}
+
+ShapeImporter::ShapeImporter( uno::Reference<drawing::XDrawPage> const&          xPage,
+                              uno::Reference<drawing::XDrawPage> const&          xActualPage,
+                              uno::Reference<drawing::XDrawPagesSupplier> const& xPagesSupplier,
+                              const SlideShowContext&                            rContext,
+                              sal_Int32                                          nOrdNumStart,
+                              bool                                               bConvertingMasterPage ) :
+    mxPage( xActualPage ),
+    mxPagesSupplier( xPagesSupplier ),
+    mrContext( rContext ),
+    maPolygons(),
+    maShapesStack(),
+    mnAscendingPrio( nOrdNumStart ),
+    mbConvertingMasterPage( bConvertingMasterPage )
+{
+    uno::Reference<drawing::XShapes> const xShapes(
+        xPage, uno::UNO_QUERY_THROW );
+    maShapesStack.push( XShapesEntry(xShapes) );
+}
+
+} // namespace presentation
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/viewappletshape.cxx b/slideshow/source/engine/shapes/viewappletshape.cxx
new file mode 100644
index 000000000..736cb9d94
--- /dev/null
+++ b/slideshow/source/engine/shapes/viewappletshape.cxx
@@ -0,0 +1,258 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <tools/diagnose_ex.h>
+
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/range/b2irange.hxx>
+#include <basegfx/utils/canvastools.hxx>
+
+#include <cppcanvas/canvas.hxx>
+#include <canvas/canvastools.hxx>
+
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <com/sun/star/lang/XMultiComponentFactory.hpp>
+#include <com/sun/star/rendering/XCanvas.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/beans/PropertyValue.hpp>
+#include <com/sun/star/util/XCloseable.hpp>
+#include <com/sun/star/awt/WindowDescriptor.hpp>
+#include <com/sun/star/awt/Toolkit.hpp>
+#include <com/sun/star/awt/XWindow2.hpp>
+#include <com/sun/star/awt/XWindowPeer.hpp>
+#include <com/sun/star/awt/WindowAttribute.hpp>
+#include <com/sun/star/awt/VclWindowPeerAttribute.hpp>
+#include <com/sun/star/awt/PosSize.hpp>
+#include <com/sun/star/frame/Frame.hpp>
+#include <com/sun/star/frame/XSynchronousFrameLoader.hpp>
+
+#include "viewappletshape.hxx"
+#include <tools.hxx>
+
+
+using namespace ::com::sun::star;
+
+namespace slideshow::internal
+{
+        ViewAppletShape::ViewAppletShape( const ViewLayerSharedPtr&                       rViewLayer,
+                                          const uno::Reference< drawing::XShape >&        rxShape,
+                                          const OUString&                          rServiceName,
+                                          const char**                                    pPropCopyTable,
+                                          std::size_t                                     nNumPropEntries,
+                                          const uno::Reference< uno::XComponentContext >& rxContext ) :
+            mpViewLayer( rViewLayer ),
+            mxViewer(),
+            mxFrame(),
+            mxComponentContext( rxContext )
+        {
+            ENSURE_OR_THROW( rxShape.is(), "ViewAppletShape::ViewAppletShape(): Invalid Shape" );
+            ENSURE_OR_THROW( mpViewLayer, "ViewAppletShape::ViewAppletShape(): Invalid View" );
+            ENSURE_OR_THROW( mpViewLayer->getCanvas(), "ViewAppletShape::ViewAppletShape(): Invalid ViewLayer canvas" );
+            ENSURE_OR_THROW( mxComponentContext.is(), "ViewAppletShape::ViewAppletShape(): Invalid component context" );
+
+            uno::Reference<lang::XMultiComponentFactory> xFactory(
+                mxComponentContext->getServiceManager(),
+                uno::UNO_SET_THROW );
+
+            mxViewer.set( xFactory->createInstanceWithContext( rServiceName,
+                                                               mxComponentContext),
+                          uno::UNO_QUERY_THROW );
+
+            uno::Reference< beans::XPropertySet > xShapePropSet( rxShape,
+                                                                 uno::UNO_QUERY_THROW );
+            uno::Reference< beans::XPropertySet > xViewerPropSet( mxViewer,
+                                                                   uno::UNO_QUERY_THROW );
+
+            // copy shape properties to applet viewer
+            OUString aPropName;
+            for( std::size_t i=0; i<nNumPropEntries; ++i )
+            {
+                aPropName = OUString::createFromAscii( pPropCopyTable[i] );
+                xViewerPropSet->setPropertyValue( aPropName,
+                                                  xShapePropSet->getPropertyValue(
+                                                  aPropName ));
+            }
+        }
+
+        ViewAppletShape::~ViewAppletShape()
+        {
+            try
+            {
+                endApplet();
+            }
+            catch (const uno::Exception &)
+            {
+                TOOLS_WARN_EXCEPTION("slideshow", "");
+            }
+        }
+
+        const ViewLayerSharedPtr& ViewAppletShape::getViewLayer() const
+        {
+            return mpViewLayer;
+        }
+
+        void ViewAppletShape::startApplet( const ::basegfx::B2DRectangle& rBounds )
+        {
+            ENSURE_OR_RETURN_VOID( mpViewLayer && mpViewLayer->getCanvas() && mpViewLayer->getCanvas()->getUNOCanvas().is(),
+                               "ViewAppletShape::startApplet(): Invalid or disposed view" );
+            try
+            {
+                ::cppcanvas::CanvasSharedPtr pCanvas = mpViewLayer->getCanvas();
+
+                uno::Reference< beans::XPropertySet > xPropSet( pCanvas->getUNOCanvas()->getDevice(),
+                                                                uno::UNO_QUERY_THROW );
+
+                uno::Reference< awt::XWindow2 > xParentWindow(
+                    xPropSet->getPropertyValue("Window"),
+                    uno::UNO_QUERY_THROW );
+
+                uno::Reference<lang::XMultiComponentFactory> xFactory(
+                    mxComponentContext->getServiceManager() );
+
+                if( xFactory.is() )
+                {
+                    // create an awt window to contain the applet
+                    // ==========================================
+
+                    uno::Reference< awt::XToolkit2 > xToolkit = awt::Toolkit::create(mxComponentContext);
+
+                    awt::WindowDescriptor aOwnWinDescriptor( awt::WindowClass_SIMPLE,
+                                                             OUString(),
+                                                             uno::Reference< awt::XWindowPeer >(xParentWindow,
+                                                                                                uno::UNO_QUERY_THROW),
+                                                             0,
+                                                             awt::Rectangle(),
+                                                             awt::WindowAttribute::SHOW
+                                                             | awt::VclWindowPeerAttribute::CLIPCHILDREN );
+
+                    uno::Reference< awt::XWindowPeer > xNewWinPeer(
+                        xToolkit->createWindow( aOwnWinDescriptor ));
+                    uno::Reference< awt::XWindow > xOwnWindow( xNewWinPeer,
+                                                               uno::UNO_QUERY_THROW );
+
+
+                    // create a frame, and load the applet into it
+                    // ===========================================
+
+                    mxFrame = frame::Frame::create( mxComponentContext );
+                    mxFrame->initialize( xOwnWindow );
+
+                    uno::Reference < frame::XSynchronousFrameLoader > xLoader( mxViewer,
+                                                                               uno::UNO_SET_THROW );
+                    xLoader->load( uno::Sequence < beans::PropertyValue >(),
+                                   uno::Reference<frame::XFrame>(mxFrame, uno::UNO_QUERY_THROW) );
+
+
+                    // resize surrounding window and applet to current shape size
+                    // ==========================================================
+
+                    ::basegfx::B2DRange aTmpRange;
+                    ::canvas::tools::calcTransformedRectBounds( aTmpRange,
+                                                                rBounds,
+                                                                mpViewLayer->getTransformation() );
+                    const ::basegfx::B2IRange& rPixelBounds(
+                        ::basegfx::unotools::b2ISurroundingRangeFromB2DRange( aTmpRange ));
+
+                    uno::Reference< awt::XWindow > xSurroundingWindow( mxFrame->getContainerWindow() );
+                    if( xSurroundingWindow.is() )
+                        xSurroundingWindow->setPosSize( rPixelBounds.getMinX(),
+                                                        rPixelBounds.getMinY(),
+                                                        static_cast<sal_Int32>(rPixelBounds.getWidth()),
+                                                        static_cast<sal_Int32>(rPixelBounds.getHeight()),
+                                                        awt::PosSize::POSSIZE );
+
+                    uno::Reference< awt::XWindow > xAppletWindow( mxFrame->getComponentWindow() );
+                    if( xAppletWindow.is() )
+                        xAppletWindow->setPosSize( 0, 0,
+                                                   static_cast<sal_Int32>(rPixelBounds.getWidth()),
+                                                   static_cast<sal_Int32>(rPixelBounds.getHeight()),
+                                                   awt::PosSize::POSSIZE );
+                }
+            }
+            catch (uno::Exception &)
+            {
+            }
+        }
+
+
+        void ViewAppletShape::endApplet()
+        {
+            uno::Reference<util::XCloseable> xCloseable(
+                mxFrame,
+                uno::UNO_QUERY );
+
+            if( xCloseable.is() )
+            {
+                xCloseable->close( true );
+                mxFrame.clear();
+            }
+        }
+
+
+        bool ViewAppletShape::render( const ::basegfx::B2DRectangle& rBounds ) const
+        {
+            ::cppcanvas::CanvasSharedPtr pCanvas = mpViewLayer->getCanvas();
+
+            if( !pCanvas )
+                return false;
+
+            if( !mxFrame.is() )
+            {
+                // fill the shape background with black
+                fillRect( pCanvas,
+                          rBounds,
+                          0xFFFFFFFFU );
+            }
+
+            return true;
+        }
+
+        bool ViewAppletShape::resize( const ::basegfx::B2DRectangle& rBounds ) const
+        {
+            if( !mxFrame.is() )
+                return false;
+
+            ::basegfx::B2DRange aTmpRange;
+            ::canvas::tools::calcTransformedRectBounds( aTmpRange,
+                                                        rBounds,
+                                                        mpViewLayer->getTransformation() );
+            const ::basegfx::B2IRange& rPixelBounds(
+                ::basegfx::unotools::b2ISurroundingRangeFromB2DRange( aTmpRange ));
+
+            uno::Reference< awt::XWindow > xFrameWindow( mxFrame->getContainerWindow() );
+            if( xFrameWindow.is() )
+                xFrameWindow->setPosSize( rPixelBounds.getMinX(),
+                                          rPixelBounds.getMinY(),
+                                          static_cast<sal_Int32>(rPixelBounds.getWidth()),
+                                          static_cast<sal_Int32>(rPixelBounds.getHeight()),
+                                          awt::PosSize::POSSIZE );
+
+            uno::Reference< awt::XWindow > xAppletWindow( mxFrame->getComponentWindow() );
+            if( xAppletWindow.is() )
+                xAppletWindow->setPosSize( 0, 0,
+                                           static_cast<sal_Int32>(rPixelBounds.getWidth()),
+                                           static_cast<sal_Int32>(rPixelBounds.getHeight()),
+                                           awt::PosSize::POSSIZE );
+
+            return true;
+        }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/viewappletshape.hxx b/slideshow/source/engine/shapes/viewappletshape.hxx
new file mode 100644
index 000000000..5d1b30743
--- /dev/null
+++ b/slideshow/source/engine/shapes/viewappletshape.hxx
@@ -0,0 +1,164 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_VIEWAPPLETSHAPE_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_VIEWAPPLETSHAPE_HXX
+
+#include <basegfx/range/b2drectangle.hxx>
+#include <com/sun/star/frame/XSynchronousFrameLoader.hpp>
+
+#include <memory>
+
+#include <viewlayer.hxx>
+
+namespace com::sun::star {
+    namespace frame {
+        class XSynchronousFrameLoader;
+        class XFrame2;
+    }
+    namespace uno {
+        class XComponentContext;
+    }
+    namespace drawing {
+        class XShape;
+    }
+}
+
+namespace slideshow
+{
+    namespace internal
+    {
+        /** This class is the viewable representation of a draw
+            document's applet object, associated to a specific View
+
+            The class is able to render the associated applet on View
+            implementations.
+         */
+        class ViewAppletShape final
+        {
+        public:
+            /** Create a ViewAppletShape for the given View
+
+                @param rViewLayer
+                The associated View object.
+
+                @param rxShape
+                The associated Shape
+
+                @param rServiceName
+                The service name to use, when actually creating the
+                viewer component
+
+                @param pPropCopyTable
+                Table of plain ASCII property names, to copy from
+                xShape to applet.
+
+                @param nNumPropEntries
+                Number of property table entries (in pPropCopyTable)
+             */
+            ViewAppletShape( const ViewLayerSharedPtr&                         rViewLayer,
+                             const css::uno::Reference< css::drawing::XShape >&        rxShape,
+                             const OUString&                                   rServiceName,
+                             const char**                                      pPropCopyTable,
+                             std::size_t                                       nNumPropEntries,
+                             const css::uno::Reference< css::uno::XComponentContext >& rxContext );
+
+            /** destroy the object
+             */
+            ~ViewAppletShape();
+
+            /// Forbid copy construction
+            ViewAppletShape(const ViewAppletShape&) = delete;
+            /// Forbid copy assignment
+            ViewAppletShape& operator=(const ViewAppletShape&) = delete;
+
+            /** Query the associated view layer of this shape
+             */
+            const ViewLayerSharedPtr& getViewLayer() const;
+
+            // animation methods
+
+
+            /** Notify the ViewShape that an animation starts now
+
+                This method enters animation mode on the associate
+                target view. The shape can be animated in parallel on
+                different views.
+
+                @param rBounds
+                The current applet shape bounds
+             */
+            void startApplet( const ::basegfx::B2DRectangle& rBounds );
+
+            /** Notify the ViewShape that it is no longer animated
+
+                This methods ends animation mode on the associate
+                target view
+             */
+            void endApplet();
+
+            // render methods
+
+
+            /** Render the ViewShape
+
+                This method renders the ViewAppletShape on the associated view.
+
+                @param rBounds
+                The current applet shape bounds
+
+                @return whether the rendering finished successfully.
+            */
+            bool render( const ::basegfx::B2DRectangle& rBounds ) const;
+
+            /** Resize the ViewShape
+
+                This method resizes the ViewAppletShape on the
+                associated view. It does not render.
+
+                @param rBounds
+                The current applet shape bounds
+
+                @return whether the resize finished successfully.
+            */
+            bool resize( const ::basegfx::B2DRectangle& rBounds ) const;
+
+        private:
+
+            ViewLayerSharedPtr                                    mpViewLayer;
+
+            /// the actual viewer component for this applet
+            css::uno::Reference<
+                css::frame::XSynchronousFrameLoader> mxViewer;
+
+            /// the frame containing the applet
+            css::uno::Reference<
+                css::frame::XFrame2>                 mxFrame;
+            css::uno::Reference<
+                css::uno::XComponentContext>         mxComponentContext;
+        };
+
+        typedef ::std::shared_ptr< ViewAppletShape > ViewAppletShapeSharedPtr;
+
+    }
+}
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_VIEWAPPLETSHAPE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/viewbackgroundshape.cxx b/slideshow/source/engine/shapes/viewbackgroundshape.cxx
new file mode 100644
index 000000000..e0ca333ad
--- /dev/null
+++ b/slideshow/source/engine/shapes/viewbackgroundshape.cxx
@@ -0,0 +1,188 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+// must be first
+#include <tools/diagnose_ex.h>
+#include <sal/log.hxx>
+
+#include "viewbackgroundshape.hxx"
+#include <tools.hxx>
+
+#include <basegfx/numeric/ftools.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/matrix/b2dhommatrixtools.hxx>
+
+#include <com/sun/star/rendering/XCanvas.hpp>
+
+#include <canvas/canvastools.hxx>
+#include <cppcanvas/vclfactory.hxx>
+#include <cppcanvas/basegfxfactory.hxx>
+#include <cppcanvas/renderer.hxx>
+#include <cppcanvas/bitmap.hxx>
+
+using namespace ::com::sun::star;
+
+
+namespace slideshow::internal
+{
+
+        bool ViewBackgroundShape::prefetch( const ::cppcanvas::CanvasSharedPtr& rDestinationCanvas,
+                                            const GDIMetaFileSharedPtr&         rMtf ) const
+        {
+            SAL_INFO( "slideshow", "::presentation::internal::ViewBackgroundShape::prefetch()" );
+            ENSURE_OR_RETURN_FALSE( rMtf,
+                               "ViewBackgroundShape::prefetch(): no valid metafile!" );
+
+            const ::basegfx::B2DHomMatrix& rCanvasTransform(
+                mpViewLayer->getTransformation() );
+
+            if( !mxBitmap.is() ||
+                rMtf != mpLastMtf ||
+                rCanvasTransform != maLastTransformation )
+            {
+                // buffered bitmap is invalid, re-create
+
+                // determine transformed page bounds
+                ::basegfx::B2DRectangle aTmpRect;
+                ::canvas::tools::calcTransformedRectBounds( aTmpRect,
+                                                            maBounds,
+                                                            rCanvasTransform );
+
+                // determine pixel size of bitmap (choose it one pixel
+                // larger, as polygon rendering takes one pixel more
+                // to the right and to the bottom)
+                const ::basegfx::B2ISize aBmpSizePixel(
+                    ::basegfx::fround( aTmpRect.getRange().getX() + 1),
+                    ::basegfx::fround( aTmpRect.getRange().getY() + 1) );
+
+                // create a bitmap of appropriate size
+                ::cppcanvas::BitmapSharedPtr pBitmap(
+                    ::cppcanvas::BaseGfxFactory::createBitmap(
+                        rDestinationCanvas,
+                        aBmpSizePixel ) );
+
+                ENSURE_OR_THROW( pBitmap,
+                                  "ViewBackgroundShape::prefetch(): Cannot create background bitmap" );
+
+                ::cppcanvas::BitmapCanvasSharedPtr pBitmapCanvas( pBitmap->getBitmapCanvas() );
+
+                ENSURE_OR_THROW( pBitmapCanvas,
+                                  "ViewBackgroundShape::prefetch(): Cannot create background bitmap canvas" );
+
+                // clear bitmap
+                initSlideBackground( pBitmapCanvas,
+                                     aBmpSizePixel );
+
+                // apply linear part of destination canvas transformation (linear means in this context:
+                // transformation without any translational components)
+                ::basegfx::B2DHomMatrix aLinearTransform( rCanvasTransform );
+                aLinearTransform.set( 0, 2, 0.0 );
+                aLinearTransform.set( 1, 2, 0.0 );
+                pBitmapCanvas->setTransformation( aLinearTransform );
+
+                const basegfx::B2DHomMatrix aShapeTransform(basegfx::utils::createScaleTranslateB2DHomMatrix(
+                    maBounds.getWidth(), maBounds.getHeight(),
+                    maBounds.getMinX(), maBounds.getMinY()));
+
+                ::cppcanvas::RendererSharedPtr pRenderer(
+                    ::cppcanvas::VCLFactory::createRenderer(
+                        pBitmapCanvas,
+                        *rMtf,
+                        ::cppcanvas::Renderer::Parameters() ) );
+
+                ENSURE_OR_RETURN_FALSE( pRenderer,
+                                   "ViewBackgroundShape::prefetch(): Could not create Renderer" );
+
+                pRenderer->setTransformation( aShapeTransform );
+                pRenderer->draw();
+
+                mxBitmap = pBitmap->getUNOBitmap();
+            }
+
+            mpLastMtf            = rMtf;
+            maLastTransformation = rCanvasTransform;
+
+            return mxBitmap.is();
+        }
+
+        ViewBackgroundShape::ViewBackgroundShape( const ViewLayerSharedPtr&         rViewLayer,
+                                                  const ::basegfx::B2DRectangle&    rShapeBounds ) :
+            mpViewLayer( rViewLayer ),
+            mxBitmap(),
+            mpLastMtf(),
+            maLastTransformation(),
+            maBounds( rShapeBounds )
+        {
+            ENSURE_OR_THROW( mpViewLayer, "ViewBackgroundShape::ViewBackgroundShape(): Invalid View" );
+            ENSURE_OR_THROW( mpViewLayer->getCanvas(), "ViewBackgroundShape::ViewBackgroundShape(): Invalid ViewLayer canvas" );
+        }
+
+        const ViewLayerSharedPtr& ViewBackgroundShape::getViewLayer() const
+        {
+            return mpViewLayer;
+        }
+
+        bool ViewBackgroundShape::render( const GDIMetaFileSharedPtr& rMtf ) const
+        {
+            SAL_INFO( "slideshow", "::presentation::internal::ViewBackgroundShape::draw()" );
+
+            const ::cppcanvas::CanvasSharedPtr& rDestinationCanvas( mpViewLayer->getCanvas() );
+
+            if( !prefetch( rDestinationCanvas, rMtf ) )
+                return false;
+
+            ENSURE_OR_RETURN_FALSE( mxBitmap.is(),
+                               "ViewBackgroundShape::draw(): Invalid background bitmap" );
+
+            ::basegfx::B2DHomMatrix aTransform( mpViewLayer->getTransformation() );
+
+            // invert the linear part of the view transformation
+            // (i.e. the view transformation without translational
+            // components), to be able to leave the canvas
+            // transformation intact (would otherwise destroy possible
+            // clippings, as the clip polygon is relative to the view
+            // coordinate system).
+            aTransform.set(0,2, 0.0 );
+            aTransform.set(1,2, 0.0 );
+            aTransform.invert();
+
+            rendering::RenderState aRenderState;
+            ::canvas::tools::initRenderState( aRenderState );
+
+            ::canvas::tools::setRenderStateTransform( aRenderState, aTransform );
+
+            try
+            {
+                rDestinationCanvas->getUNOCanvas()->drawBitmap( mxBitmap,
+                                                                rDestinationCanvas->getViewState(),
+                                                                aRenderState );
+            }
+            catch( uno::Exception& )
+            {
+                TOOLS_WARN_EXCEPTION( "slideshow", "" );
+                return false;
+            }
+
+            return true;
+        }
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/viewbackgroundshape.hxx b/slideshow/source/engine/shapes/viewbackgroundshape.hxx
new file mode 100644
index 000000000..0f5b29646
--- /dev/null
+++ b/slideshow/source/engine/shapes/viewbackgroundshape.hxx
@@ -0,0 +1,96 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_VIEWBACKGROUNDSHAPE_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_VIEWBACKGROUNDSHAPE_HXX
+
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/rendering/XBitmap.hpp>
+
+#include <basegfx/range/b2drectangle.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+
+#include <memory>
+
+#include <tools.hxx>
+#include <viewlayer.hxx>
+
+
+namespace slideshow::internal
+    {
+        /** This class is the viewable representation of a draw
+            document's background, associated to a specific View
+
+            The class is able to render the associated background on
+            View implementations.
+         */
+        class ViewBackgroundShape
+        {
+        public:
+            /** Create a ViewBackgroundShape for the given View
+
+                @param rView
+                The associated View object.
+
+                @param rShapeBounds
+                Bounds of the background shape, in document coordinate
+                system.
+             */
+            ViewBackgroundShape( const ViewLayerSharedPtr&      rViewLayer,
+                                 const ::basegfx::B2DRectangle& rShapeBounds );
+            /// Forbid copy construction
+            ViewBackgroundShape(const ViewBackgroundShape&) = delete;
+            /// Forbid copy assignment
+            ViewBackgroundShape& operator=(const ViewBackgroundShape&) = delete;
+
+            /** Query the associated view layer of this shape
+             */
+            const ViewLayerSharedPtr& getViewLayer() const;
+
+            bool render( const GDIMetaFileSharedPtr& rMtf ) const;
+
+        private:
+            /** Prefetch bitmap for given canvas
+             */
+            bool prefetch( const ::cppcanvas::CanvasSharedPtr&  rDestinationCanvas,
+                           const GDIMetaFileSharedPtr&          rMtf ) const;
+
+            /** The view layer this object is part of.
+             */
+            ViewLayerSharedPtr                                  mpViewLayer;
+
+            /// Generated content bitmap, already with correct output size
+            mutable css::uno::Reference< css::rendering::XBitmap >  mxBitmap;
+
+            /// The last metafile a render object was generated for
+            mutable GDIMetaFileSharedPtr                        mpLastMtf;
+
+            /// The canvas, mpRenderer is associated with
+            mutable ::basegfx::B2DHomMatrix                     maLastTransformation;
+
+            const ::basegfx::B2DRectangle                       maBounds;
+        };
+
+        typedef ::std::shared_ptr< ViewBackgroundShape > ViewBackgroundShapeSharedPtr;
+
+}
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_VIEWBACKGROUNDSHAPE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/viewmediashape.cxx b/slideshow/source/engine/shapes/viewmediashape.cxx
new file mode 100644
index 000000000..229599fac
--- /dev/null
+++ b/slideshow/source/engine/shapes/viewmediashape.cxx
@@ -0,0 +1,499 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <config_features.h>
+
+#include <tools/diagnose_ex.h>
+
+#include <sal/log.hxx>
+#include <vcl/canvastools.hxx>
+#include <vcl/syschild.hxx>
+#include <vcl/sysdata.hxx>
+#include <vcl/window.hxx>
+#include <vcl/graph.hxx>
+
+#include <basegfx/utils/canvastools.hxx>
+#include <basegfx/matrix/b2dhommatrixtools.hxx>
+#include <basegfx/point/b2dpoint.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/range/b2irange.hxx>
+#include <canvas/canvastools.hxx>
+#include <cppcanvas/canvas.hxx>
+#include <avmedia/mediawindow.hxx>
+#include <svx/svdobj.hxx>
+#include <svx/svdomedia.hxx>
+
+#include <com/sun/star/awt/XWindow.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/lang/XComponent.hpp>
+#include <com/sun/star/lang/NoSupportException.hpp>
+#include <com/sun/star/media/XPlayer.hpp>
+#include <com/sun/star/media/XPlayerWindow.hpp>
+#include <com/sun/star/presentation/XSlideShowView.hpp>
+#include <com/sun/star/rendering/XCanvas.hpp>
+
+#include "viewmediashape.hxx"
+#include <tools.hxx>
+#include <unoview.hxx>
+
+using namespace ::com::sun::star;
+
+namespace slideshow::internal
+{
+        ViewMediaShape::ViewMediaShape( const ViewLayerSharedPtr&                       rViewLayer,
+                                        const uno::Reference< drawing::XShape >&        rxShape,
+                                        const uno::Reference< uno::XComponentContext >& rxContext ) :
+            mpViewLayer( rViewLayer ),
+            maWindowOffset( 0, 0 ),
+            maBounds(),
+            mxShape( rxShape ),
+            mxPlayer(),
+            mxPlayerWindow(),
+            mxComponentContext( rxContext ),
+            mbIsSoundEnabled(true)
+        {
+            ENSURE_OR_THROW( mxShape.is(), "ViewMediaShape::ViewMediaShape(): Invalid Shape" );
+            ENSURE_OR_THROW( mpViewLayer, "ViewMediaShape::ViewMediaShape(): Invalid View" );
+            ENSURE_OR_THROW( mpViewLayer->getCanvas(), "ViewMediaShape::ViewMediaShape(): Invalid ViewLayer canvas" );
+            ENSURE_OR_THROW( mxComponentContext.is(), "ViewMediaShape::ViewMediaShape(): Invalid component context" );
+
+            UnoViewSharedPtr xUnoView(std::dynamic_pointer_cast<UnoView>(rViewLayer));
+            if (xUnoView)
+            {
+                mbIsSoundEnabled = xUnoView->isSoundEnabled();
+            }
+        }
+
+        ViewMediaShape::~ViewMediaShape()
+        {
+            try
+            {
+                endMedia();
+            }
+            catch (const uno::Exception &)
+            {
+                TOOLS_WARN_EXCEPTION("slideshow", "");
+            }
+        }
+
+        const ViewLayerSharedPtr& ViewMediaShape::getViewLayer() const
+        {
+            return mpViewLayer;
+        }
+
+        void ViewMediaShape::startMedia()
+        {
+            if( !mxPlayer.is() )
+                implInitialize( maBounds );
+
+            if (mxPlayer.is())
+                mxPlayer->start();
+        }
+
+        void ViewMediaShape::endMedia()
+        {
+            // shutdown player window
+            if( mxPlayerWindow.is() )
+            {
+                mxPlayerWindow->dispose();
+                mxPlayerWindow.clear();
+            }
+
+            mpMediaWindow.disposeAndClear();
+
+            // shutdown player
+            if( mxPlayer.is() )
+            {
+                mxPlayer->stop();
+
+                uno::Reference< lang::XComponent > xComponent( mxPlayer, uno::UNO_QUERY );
+
+                if( xComponent.is() )
+                    xComponent->dispose();
+
+                mxPlayer.clear();
+            }
+        }
+
+        void ViewMediaShape::pauseMedia()
+        {
+            if (mxPlayer.is())
+                mxPlayer->stop();
+        }
+
+        void ViewMediaShape::setMediaTime(double fTime)
+        {
+            if (mxPlayer.is())
+                mxPlayer->setMediaTime(fTime);
+        }
+
+        void ViewMediaShape::setLooping(bool bLooping)
+        {
+            if (mxPlayer.is())
+            {
+                mxPlayer->setPlaybackLoop(bLooping);
+            }
+        }
+
+        bool ViewMediaShape::render( const ::basegfx::B2DRectangle& rBounds ) const
+        {
+#if !HAVE_FEATURE_AVMEDIA
+            (void) rBounds;
+#else
+            ::cppcanvas::CanvasSharedPtr pCanvas = mpViewLayer->getCanvas();
+
+            if( !pCanvas )
+                return false;
+
+            if( !mpMediaWindow && !mxPlayerWindow.is() )
+            {
+                uno::Reference< graphic::XGraphic > xGraphic;
+                uno::Reference< beans::XPropertySet > xPropSet( mxShape, uno::UNO_QUERY );
+                if (xPropSet.is())
+                {
+                    xPropSet->getPropertyValue("FallbackGraphic") >>= xGraphic;
+                }
+
+                Graphic aGraphic(xGraphic);
+                const BitmapEx aBmp = aGraphic.GetBitmapEx();
+
+                uno::Reference< rendering::XBitmap > xBitmap(vcl::unotools::xBitmapFromBitmapEx(aBmp));
+
+                rendering::ViewState aViewState;
+                aViewState.AffineTransform = pCanvas->getViewState().AffineTransform;
+
+                rendering::RenderState aRenderState;
+                ::canvas::tools::initRenderState( aRenderState );
+
+                const ::Size aBmpSize( aBmp.GetSizePixel() );
+
+                const ::basegfx::B2DVector aScale( rBounds.getWidth() / aBmpSize.Width(),
+                                                   rBounds.getHeight() / aBmpSize.Height() );
+                const basegfx::B2DHomMatrix aTranslation(basegfx::utils::createScaleTranslateB2DHomMatrix(
+                    aScale, rBounds.getMinimum()));
+                ::canvas::tools::setRenderStateTransform( aRenderState, aTranslation );
+
+                pCanvas->getUNOCanvas()->drawBitmap( xBitmap,
+                                                     aViewState,
+                                                     aRenderState );
+            }
+#endif
+            return true;
+        }
+
+        bool ViewMediaShape::resize( const ::basegfx::B2DRectangle& rNewBounds ) const
+        {
+            maBounds = rNewBounds;
+
+            ::cppcanvas::CanvasSharedPtr pCanvas = mpViewLayer->getCanvas();
+
+            if( !pCanvas )
+                return false;
+
+            if( !mxPlayerWindow.is() )
+                return true;
+
+            uno::Reference< beans::XPropertySet > xPropSet( pCanvas->getUNOCanvas()->getDevice(),
+                                                            uno::UNO_QUERY );
+
+            uno::Reference< awt::XWindow > xParentWindow;
+            if( xPropSet.is() &&
+                getPropertyValue( xParentWindow,
+                                  xPropSet,
+                                  "Window") )
+            {
+                const awt::Rectangle aRect( xParentWindow->getPosSize() );
+
+                maWindowOffset.X = aRect.X;
+                maWindowOffset.Y = aRect.Y;
+            }
+
+            ::basegfx::B2DRange aTmpRange;
+            ::canvas::tools::calcTransformedRectBounds( aTmpRange,
+                                                        rNewBounds,
+                                                        mpViewLayer->getTransformation() );
+            const ::basegfx::B2IRange& rRangePix(
+                ::basegfx::unotools::b2ISurroundingRangeFromB2DRange( aTmpRange ));
+
+            mxPlayerWindow->setEnable( !rRangePix.isEmpty() );
+
+            if( rRangePix.isEmpty() )
+                return true;
+
+            awt::Rectangle aCanvasArea;
+            UnoViewSharedPtr xUnoView(std::dynamic_pointer_cast<UnoView>(mpViewLayer));
+            if (xUnoView)
+                aCanvasArea = xUnoView->getUnoView()->getCanvasArea();
+
+            const Point aPosPixel( rRangePix.getMinX() + maWindowOffset.X + aCanvasArea.X,
+                                   rRangePix.getMinY() + maWindowOffset.Y + aCanvasArea.Y );
+            const Size  aSizePixel( rRangePix.getMaxX() - rRangePix.getMinX(),
+                                    rRangePix.getMaxY() - rRangePix.getMinY() );
+
+            if( mpMediaWindow )
+            {
+                mpMediaWindow->SetPosSizePixel( aPosPixel, aSizePixel );
+                mxPlayerWindow->setPosSize( 0, 0,
+                                            aSizePixel.Width(), aSizePixel.Height(),
+                                            0 );
+            }
+            else
+            {
+                mxPlayerWindow->setPosSize( aPosPixel.X(), aPosPixel.Y(),
+                                            aSizePixel.Width(), aSizePixel.Height(),
+                                            0 );
+            }
+
+            return true;
+        }
+
+
+        bool ViewMediaShape::implInitialize( const ::basegfx::B2DRectangle& rBounds )
+        {
+            if( !mxPlayer.is() && mxShape.is() )
+            {
+                ENSURE_OR_RETURN_FALSE( mpViewLayer->getCanvas(),
+                                   "ViewMediaShape::implInitialize(): Invalid layer canvas" );
+
+                uno::Reference< rendering::XCanvas > xCanvas( mpViewLayer->getCanvas()->getUNOCanvas() );
+
+                if( xCanvas.is() )
+                {
+                    uno::Reference< beans::XPropertySet >   xPropSet;
+                    try
+                    {
+                        xPropSet.set( mxShape, uno::UNO_QUERY );
+                        OUString sMimeType;
+
+                        // create Player
+                        if (xPropSet.is())
+                        {
+                            OUString aURL;
+                            xPropSet->getPropertyValue("MediaMimeType") >>= sMimeType;
+                            if ((xPropSet->getPropertyValue("PrivateTempFileURL") >>= aURL)
+                                && !aURL.isEmpty())
+                            {
+                                implInitializeMediaPlayer( aURL, sMimeType );
+                            }
+                            else if (xPropSet->getPropertyValue("MediaURL") >>= aURL)
+                            {
+                                implInitializeMediaPlayer( aURL, sMimeType );
+                            }
+                        }
+
+                        // create visible object
+                        uno::Sequence< uno::Any > aDeviceParams;
+
+                        if( ::canvas::tools::getDeviceInfo( xCanvas, aDeviceParams ).getLength() > 1 )
+                        {
+                            implInitializePlayerWindow( rBounds, aDeviceParams );
+                        }
+
+                        // set player properties
+                        implSetMediaProperties( xPropSet );
+                    }
+                    catch( uno::RuntimeException& )
+                    {
+                        throw;
+                    }
+                    catch( uno::Exception& )
+                    {
+                        TOOLS_WARN_EXCEPTION( "slideshow", "" );
+                    }
+                }
+            }
+
+            return mxPlayer.is() || mxPlayerWindow.is();
+        }
+
+
+        void ViewMediaShape::implSetMediaProperties( const uno::Reference< beans::XPropertySet >& rxProps )
+        {
+            if( !mxPlayer.is() )
+                return;
+
+            mxPlayer->setMediaTime( 0.0 );
+
+            if( !rxProps.is() )
+                return;
+
+            bool bLoop( false );
+            getPropertyValue( bLoop,
+                              rxProps,
+                              "Loop");
+            mxPlayer->setPlaybackLoop( bLoop );
+
+            bool bMute( false );
+            getPropertyValue( bMute,
+                              rxProps,
+                              "Mute");
+            mxPlayer->setMute( bMute || !mbIsSoundEnabled);
+
+            sal_Int16 nVolumeDB(0);
+            getPropertyValue( nVolumeDB,
+                              rxProps,
+                              "VolumeDB");
+            mxPlayer->setVolumeDB( nVolumeDB );
+
+            if( mxPlayerWindow.is() )
+            {
+                media::ZoomLevel eZoom(media::ZoomLevel_FIT_TO_WINDOW);
+                getPropertyValue( eZoom,
+                                  rxProps,
+                                  "Zoom");
+                mxPlayerWindow->setZoomLevel( eZoom );
+            }
+        }
+
+
+        void ViewMediaShape::implInitializeMediaPlayer( const OUString& rMediaURL, const OUString& rMimeType )
+        {
+#if !HAVE_FEATURE_AVMEDIA
+            (void) rMediaURL;
+            (void) rMimeType;
+#else
+            if( mxPlayer.is() )
+                return;
+
+            try
+            {
+                if( !rMediaURL.isEmpty() )
+                {
+                    mxPlayer = avmedia::MediaWindow::createPlayer( rMediaURL, ""/*TODO!*/, &rMimeType );
+                }
+            }
+            catch( uno::RuntimeException& )
+            {
+                throw;
+            }
+            catch( const uno::Exception& )
+            {
+                throw lang::NoSupportException( "No video support for " + rMediaURL );
+            }
+#endif
+        }
+
+
+        void ViewMediaShape::implInitializePlayerWindow( const ::basegfx::B2DRectangle&   rBounds,
+                                                                 const uno::Sequence< uno::Any >& rVCLDeviceParams )
+        {
+            SAL_INFO("slideshow", "ViewMediaShape::implInitializePlayerWindow" );
+            if( mpMediaWindow || rBounds.isEmpty() )
+                return;
+
+            try
+            {
+                sal_Int64 aVal=0;
+
+                rVCLDeviceParams[ 1 ] >>= aVal;
+
+                OutputDevice* pDevice = reinterpret_cast<OutputDevice*>(aVal);
+                vcl::Window* pWindow = pDevice ? pDevice->GetOwnerWindow() : nullptr;
+
+                if( pWindow )
+                {
+                    ::basegfx::B2DRange aTmpRange;
+                    ::canvas::tools::calcTransformedRectBounds( aTmpRange,
+                                                                rBounds,
+                                                                mpViewLayer->getTransformation() );
+                    const ::basegfx::B2IRange& rRangePix(
+                        ::basegfx::unotools::b2ISurroundingRangeFromB2DRange( aTmpRange ));
+
+                    if( !rRangePix.isEmpty() )
+                    {
+                        awt::Rectangle              aAWTRect( rRangePix.getMinX(),
+                                                              rRangePix.getMinY(),
+                                                                rRangePix.getMaxX() - rRangePix.getMinX(),
+                                                                rRangePix.getMaxY() - rRangePix.getMinY() );
+                        {
+                            mpMediaWindow.disposeAndClear();
+                            mpMediaWindow = VclPtr<SystemChildWindow>::Create( pWindow, WB_CLIPCHILDREN );
+                            UnoViewSharedPtr xUnoView(std::dynamic_pointer_cast<UnoView>(mpViewLayer));
+                            if (xUnoView)
+                            {
+                                awt::Rectangle aCanvasArea = xUnoView->getUnoView()->getCanvasArea();
+                                aAWTRect.X += aCanvasArea.X;
+                                aAWTRect.Y += aCanvasArea.Y;
+                            }
+                            mpMediaWindow->SetPosSizePixel( Point( aAWTRect.X, aAWTRect.Y ),
+                                                       Size( aAWTRect.Width, aAWTRect.Height ) );
+                        }
+                        mpMediaWindow->SetBackground( COL_BLACK );
+                        mpMediaWindow->SetParentClipMode( ParentClipMode::NoClip );
+                        mpMediaWindow->EnableEraseBackground( false );
+                        mpMediaWindow->SetForwardKey( true );
+                        mpMediaWindow->SetMouseTransparent( true );
+                        mpMediaWindow->Show();
+
+                        if( mxPlayer.is() )
+                        {
+                            sal_IntPtr nParentWindowHandle(0);
+                            const SystemEnvData* pEnvData = mpMediaWindow->GetSystemData();
+                            // tdf#139609 gtk doesn't need the handle, and fetching it is undesirable
+                            if (!pEnvData || pEnvData->toolkit != SystemEnvData::Toolkit::Gtk)
+                                nParentWindowHandle = mpMediaWindow->GetParentWindowHandle();
+
+                            aAWTRect.X = aAWTRect.Y = 0;
+
+                            SdrObject* pObj = SdrObject::getSdrObjectFromXShape(mxShape);
+                            auto pMediaObj = dynamic_cast<SdrMediaObj*>(pObj);
+                            const avmedia::MediaItem* pMediaItem = nullptr;
+                            if (pMediaObj)
+                            {
+                                pMediaItem = &pMediaObj->getMediaProperties();
+                            }
+
+                            uno::Sequence< uno::Any >   aArgs{
+                                uno::Any(nParentWindowHandle),
+                                uno::Any(aAWTRect),
+                                uno::Any(reinterpret_cast< sal_IntPtr >( mpMediaWindow.get() )),
+                                // Media item contains media properties, e.g. cropping.
+                                uno::Any(reinterpret_cast< sal_IntPtr >( pMediaItem ))
+                            };
+
+                            mxPlayerWindow.set( mxPlayer->createPlayerWindow( aArgs ) );
+
+                            if( mxPlayerWindow.is() )
+                            {
+                                mxPlayerWindow->setVisible( true );
+                                mxPlayerWindow->setEnable( true );
+                            }
+                        }
+
+                        if( !mxPlayerWindow.is() )
+                        {
+                            //if there was no playerwindow, then clear the mpMediaWindow too
+                            //so that we can draw a placeholder instead in that space
+                            mpMediaWindow.disposeAndClear();
+                        }
+                    }
+                }
+            }
+            catch( uno::RuntimeException& )
+            {
+                throw;
+            }
+            catch( uno::Exception& )
+            {
+                TOOLS_WARN_EXCEPTION( "slideshow", "" );
+            }
+        }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/viewmediashape.hxx b/slideshow/source/engine/shapes/viewmediashape.hxx
new file mode 100644
index 000000000..69445a8a5
--- /dev/null
+++ b/slideshow/source/engine/shapes/viewmediashape.hxx
@@ -0,0 +1,168 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_VIEWMEDIASHAPE_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_VIEWMEDIASHAPE_HXX
+
+#include <basegfx/range/b2drectangle.hxx>
+#include <com/sun/star/awt/Point.hpp>
+#include <com/sun/star/drawing/XShape.hpp>
+
+#include <memory>
+#include <vcl/vclptr.hxx>
+
+#include <viewlayer.hxx>
+
+class SystemChildWindow;
+
+namespace com::sun::star {
+    namespace drawing {
+        class XShape;
+    }
+    namespace media {
+        class XPlayer;
+        class XPlayerWindow;
+    }
+    namespace uno {
+        class XComponentContext;
+    }
+    namespace beans{
+        class XPropertySet;
+    }
+}
+
+namespace slideshow::internal
+    {
+        /** This class is the viewable representation of a draw
+            document's media object, associated to a specific View
+
+            The class is able to render the associated media shape on
+            View implementations.
+         */
+        class ViewMediaShape final
+        {
+        public:
+            /** Create a ViewMediaShape for the given View
+
+                @param rView
+                The associated View object.
+             */
+            ViewMediaShape( const ViewLayerSharedPtr&                                  rViewLayer,
+                            const css::uno::Reference< css::drawing::XShape >&         rxShape,
+                            const css::uno::Reference< css::uno::XComponentContext >&  rxContext );
+
+            /** destroy the object
+             */
+            ~ViewMediaShape();
+
+            /// Forbid copy construction
+            ViewMediaShape(const ViewMediaShape&) = delete;
+            /// Forbid copy assignment
+            ViewMediaShape& operator=(const ViewMediaShape&) = delete;
+
+            /** Query the associated view layer of this shape
+             */
+            const ViewLayerSharedPtr& getViewLayer() const;
+
+            // animation methods
+
+
+            /** Notify the ViewShape that an animation starts now
+
+                This method enters animation mode on the associate
+                target view. The shape can be animated in parallel on
+                different views.
+             */
+            void startMedia();
+
+            /** Notify the ViewShape that it is no longer animated
+
+                This methods ends animation mode on the associate
+                target view
+             */
+            void endMedia();
+
+            /** Notify the ViewShape that it should pause playback
+
+                This methods pauses animation on the associate
+                target view. The content stays visible (for video)
+             */
+            void pauseMedia();
+
+            /** Set current time of media.
+
+            @param fTime
+            Local media time that should now be presented, in seconds.
+             */
+            void setMediaTime(double fTime);
+
+            void setLooping(bool bLooping);
+
+            // render methods
+
+
+            /** Render the ViewShape
+
+                This method renders the ViewMediaShape on the associated view.
+
+                @param rBounds
+                The current media shape bounds
+
+                @return whether the rendering finished successfully.
+            */
+            bool render( const ::basegfx::B2DRectangle& rBounds ) const;
+
+            /** Resize the ViewShape
+
+                This method updates the ViewMediaShape size on the
+                associated view. It does not render.
+
+                @param rBounds
+                The current media shape bounds
+
+                @return whether the resize finished successfully.
+            */
+            bool resize( const ::basegfx::B2DRectangle& rNewBounds ) const;
+
+        private:
+
+            bool implInitialize( const ::basegfx::B2DRectangle& rBounds );
+            void implSetMediaProperties( const css::uno::Reference< css::beans::XPropertySet >& rxProps );
+            void implInitializeMediaPlayer( const OUString& rMediaURL, const OUString& rMimeType );
+            void implInitializePlayerWindow( const ::basegfx::B2DRectangle& rBounds,
+                                             const css::uno::Sequence< css::uno::Any >& rVCLDeviceParams );
+            ViewLayerSharedPtr                    mpViewLayer;
+            VclPtr< SystemChildWindow >           mpMediaWindow;
+            mutable css::awt::Point               maWindowOffset;
+            mutable ::basegfx::B2DRectangle       maBounds;
+
+            css::uno::Reference< css::drawing::XShape >       mxShape;
+            css::uno::Reference< css::media::XPlayer >        mxPlayer;
+            css::uno::Reference< css::media::XPlayerWindow >  mxPlayerWindow;
+            css::uno::Reference< css::uno::XComponentContext> mxComponentContext;
+            bool                                              mbIsSoundEnabled;
+        };
+
+        typedef ::std::shared_ptr< ViewMediaShape > ViewMediaShapeSharedPtr;
+
+}
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_VIEWMEDIASHAPE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/viewshape.cxx b/slideshow/source/engine/shapes/viewshape.cxx
new file mode 100644
index 000000000..f2d909524
--- /dev/null
+++ b/slideshow/source/engine/shapes/viewshape.cxx
@@ -0,0 +1,856 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <tools/diagnose_ex.h>
+
+#include <algorithm>
+
+#include <rtl/math.hxx>
+#include <sal/log.hxx>
+
+#include <com/sun/star/rendering/PanoseLetterForm.hpp>
+#include <com/sun/star/awt/FontSlant.hpp>
+
+#include <basegfx/numeric/ftools.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/matrix/b2dhommatrixtools.hxx>
+
+#include <canvas/canvastools.hxx>
+#include <cppcanvas/vclfactory.hxx>
+#include <cppcanvas/basegfxfactory.hxx>
+
+#include "viewshape.hxx"
+#include <tools.hxx>
+
+using namespace ::com::sun::star;
+
+namespace slideshow::internal
+{
+
+        // TODO(F2): Provide sensible setup for mtf-related attributes (fill mode,
+        // char rotation etc.). Do that via mtf argument at this object
+
+        bool ViewShape::prefetch( RendererCacheEntry&                   io_rCacheEntry,
+                                  const ::cppcanvas::CanvasSharedPtr&   rDestinationCanvas,
+                                  const GDIMetaFileSharedPtr&           rMtf,
+                                  const ShapeAttributeLayerSharedPtr&   rAttr )
+        {
+            ENSURE_OR_RETURN_FALSE( rMtf,
+                               "ViewShape::prefetch(): no valid metafile!" );
+
+            if( rMtf != io_rCacheEntry.mpMtf ||
+                rDestinationCanvas != io_rCacheEntry.getDestinationCanvas() )
+            {
+                // buffered renderer invalid, re-create
+                ::cppcanvas::Renderer::Parameters aParms;
+
+                // rendering attribute override parameter struct.  For
+                // every valid attribute, the corresponding struct
+                // member is filled, which in the metafile renderer
+                // forces rendering with the given attribute.
+                if( rAttr )
+                {
+                    if( rAttr->isFillColorValid() )
+                    {
+                        // convert RGBColor to RGBA32 integer. Note
+                        // that getIntegerColor() also truncates
+                        // out-of-range values appropriately
+                        aParms.maFillColor =
+                            rAttr->getFillColor().getIntegerColor();
+                    }
+                    if( rAttr->isLineColorValid() )
+                    {
+                        // convert RGBColor to RGBA32 integer. Note
+                        // that getIntegerColor() also truncates
+                        // out-of-range values appropriately
+                        aParms.maLineColor =
+                            rAttr->getLineColor().getIntegerColor();
+                    }
+                    if( rAttr->isCharColorValid() )
+                    {
+                        // convert RGBColor to RGBA32 integer. Note
+                        // that getIntegerColor() also truncates
+                        // out-of-range values appropriately
+                        aParms.maTextColor =
+                            rAttr->getCharColor().getIntegerColor();
+                    }
+                    if( rAttr->isDimColorValid() )
+                    {
+                        // convert RGBColor to RGBA32 integer. Note
+                        // that getIntegerColor() also truncates
+                        // out-of-range values appropriately
+
+                        // dim color overrides all other colors
+                        aParms.maFillColor =
+                        aParms.maLineColor =
+                        aParms.maTextColor =
+                            rAttr->getDimColor().getIntegerColor();
+                    }
+                    if( rAttr->isFontFamilyValid() )
+                    {
+                        aParms.maFontName =
+                            rAttr->getFontFamily();
+                    }
+                    if( rAttr->isCharScaleValid() )
+                    {
+                        ::basegfx::B2DHomMatrix aMatrix;
+
+                        // enlarge text by given scale factor. Do that
+                        // with the middle of the shape as the center
+                        // of scaling.
+                        aMatrix.translate( -0.5, -0.5 );
+                        aMatrix.scale( rAttr->getCharScale(),
+                                       rAttr->getCharScale() );
+                        aMatrix.translate( 0.5, 0.5 );
+
+                        aParms.maTextTransformation = aMatrix;
+                    }
+                    if( rAttr->isCharWeightValid() )
+                    {
+                        aParms.maFontWeight =
+                            static_cast< sal_Int8 >(
+                                ::basegfx::fround(
+                                    ::std::max( 0.0,
+                                                ::std::min( 11.0,
+                                                            rAttr->getCharWeight() / 20.0 ) ) ) );
+                    }
+                    if( rAttr->isCharPostureValid() )
+                    {
+                        aParms.maFontLetterForm =
+                            rAttr->getCharPosture() == sal_Int16(awt::FontSlant_NONE) ?
+                            rendering::PanoseLetterForm::ANYTHING :
+                            rendering::PanoseLetterForm::OBLIQUE_CONTACT;
+                    }
+                    if( rAttr->isUnderlineModeValid() )
+                    {
+                        aParms.maFontUnderline =
+                            rAttr->getUnderlineMode();
+                    }
+                }
+
+                io_rCacheEntry.mpRenderer = ::cppcanvas::VCLFactory::createRenderer( rDestinationCanvas,
+                                                                                     *rMtf,
+                                                                                     aParms );
+
+                io_rCacheEntry.mpMtf               = rMtf;
+                io_rCacheEntry.mpDestinationCanvas = rDestinationCanvas;
+
+                // also invalidate alpha compositing bitmap (created
+                // new renderer, which possibly generates different
+                // output). Do NOT invalidate, if we're incidentally
+                // rendering INTO it.
+                if( rDestinationCanvas != io_rCacheEntry.mpLastBitmapCanvas )
+                {
+                    io_rCacheEntry.mpLastBitmapCanvas.reset();
+                    io_rCacheEntry.mpLastBitmap.reset();
+                }
+            }
+
+            return static_cast< bool >(io_rCacheEntry.mpRenderer);
+        }
+
+        bool ViewShape::draw( const ::cppcanvas::CanvasSharedPtr&   rDestinationCanvas,
+                              const GDIMetaFileSharedPtr&           rMtf,
+                              const ShapeAttributeLayerSharedPtr&   rAttr,
+                              const ::basegfx::B2DHomMatrix&        rTransform,
+                              const ::basegfx::B2DPolyPolygon*      pClip,
+                              const VectorOfDocTreeNodes&           rSubsets ) const
+        {
+            ::cppcanvas::RendererSharedPtr pRenderer(
+                getRenderer( rDestinationCanvas, rMtf, rAttr ) );
+
+            ENSURE_OR_RETURN_FALSE( pRenderer, "ViewShape::draw(): Invalid renderer" );
+
+            pRenderer->setTransformation( rTransform );
+#if OSL_DEBUG_LEVEL >= 2
+            rendering::RenderState aRenderState;
+            ::canvas::tools::initRenderState(aRenderState);
+            ::canvas::tools::setRenderStateTransform(aRenderState,
+                                                     rTransform);
+            aRenderState.DeviceColor.realloc(4);
+            aRenderState.DeviceColor[0] = 1.0;
+            aRenderState.DeviceColor[1] = 0.0;
+            aRenderState.DeviceColor[2] = 0.0;
+            aRenderState.DeviceColor[3] = 1.0;
+
+            try
+            {
+                rDestinationCanvas->getUNOCanvas()->drawLine( geometry::RealPoint2D(0.0,0.0),
+                                                              geometry::RealPoint2D(1.0,1.0),
+                                                              rDestinationCanvas->getViewState(),
+                                                              aRenderState );
+                rDestinationCanvas->getUNOCanvas()->drawLine( geometry::RealPoint2D(1.0,0.0),
+                                                              geometry::RealPoint2D(0.0,1.0),
+                                                              rDestinationCanvas->getViewState(),
+                                                              aRenderState );
+            }
+            catch( uno::Exception& )
+            {
+                DBG_UNHANDLED_EXCEPTION("slideshow");
+            }
+#endif
+            if( pClip )
+                pRenderer->setClip( *pClip );
+            else
+                pRenderer->setClip();
+
+            if( rSubsets.empty() )
+            {
+                return pRenderer->draw();
+            }
+            else
+            {
+                // render subsets of whole metafile
+
+
+                bool bRet(true);
+                for( const auto& rSubset : rSubsets )
+                {
+                    if( !pRenderer->drawSubset( rSubset.getStartIndex(),
+                                                rSubset.getEndIndex() ) )
+                        bRet = false;
+                }
+
+                return bRet;
+            }
+        }
+
+        namespace
+        {
+            /// Convert untransformed shape update area to device pixel.
+            ::basegfx::B2DRectangle shapeArea2AreaPixel( const ::basegfx::B2DHomMatrix& rCanvasTransformation,
+                                                         const ::basegfx::B2DRectangle& rUntransformedArea      )
+            {
+                // convert area to pixel, and add anti-aliasing border
+
+                // TODO(P1): Should the view transform some
+                // day contain rotation/shear, transforming
+                // the original bounds with the total
+                // transformation might result in smaller
+                // overall bounds.
+
+                ::basegfx::B2DRectangle aBoundsPixel;
+                ::canvas::tools::calcTransformedRectBounds( aBoundsPixel,
+                                                            rUntransformedArea,
+                                                            rCanvasTransformation );
+
+                // add antialiasing border around the shape (AA
+                // touches pixel _outside_ the nominal bound rect)
+                aBoundsPixel.grow( ::cppcanvas::Canvas::ANTIALIASING_EXTRA_SIZE );
+
+                return aBoundsPixel;
+            }
+
+            /// Convert shape unit rect to device pixel.
+            ::basegfx::B2DRectangle calcUpdateAreaPixel( const ::basegfx::B2DRectangle&         rUnitBounds,
+                                                         const ::basegfx::B2DHomMatrix&         rShapeTransformation,
+                                                         const ::basegfx::B2DHomMatrix&         rCanvasTransformation,
+                                                         const ShapeAttributeLayerSharedPtr&    pAttr                   )
+            {
+                // calc update area for whole shape (including
+                // character scaling)
+                return shapeArea2AreaPixel( rCanvasTransformation,
+                                            getShapeUpdateArea( rUnitBounds,
+                                                                rShapeTransformation,
+                                                                pAttr ) );
+            }
+        }
+
+        bool ViewShape::renderSprite( const ViewLayerSharedPtr&             rViewLayer,
+                                      const GDIMetaFileSharedPtr&           rMtf,
+                                      const ::basegfx::B2DRectangle&        rOrigBounds,
+                                      const ::basegfx::B2DRectangle&        rBounds,
+                                      const ::basegfx::B2DRectangle&        rUnitBounds,
+                                      UpdateFlags                           nUpdateFlags,
+                                      const ShapeAttributeLayerSharedPtr&   pAttr,
+                                      const VectorOfDocTreeNodes&           rSubsets,
+                                      double                                nPrio,
+                                      bool                                  bIsVisible ) const
+        {
+            // TODO(P1): For multiple views, it might pay off to reorg Shape and ViewShape,
+            // in that all the common setup steps here are refactored to Shape (would then
+            // have to be performed only _once_ per Shape paint).
+
+            if( !bIsVisible ||
+                rUnitBounds.isEmpty() ||
+                rOrigBounds.isEmpty() ||
+                rBounds.isEmpty() )
+            {
+                // shape is invisible or has zero size, no need to
+                // update anything.
+                if( mpSprite )
+                    mpSprite->hide();
+
+                return true;
+            }
+
+
+            // calc sprite position, size and content transformation
+            // =====================================================
+
+            // the shape transformation for a sprite is always a
+            // simple scale-up to the nominal shape size. Everything
+            // else is handled via the sprite transformation
+            ::basegfx::B2DHomMatrix aNonTranslationalShapeTransformation;
+            aNonTranslationalShapeTransformation.scale( rOrigBounds.getWidth(),
+                                                        rOrigBounds.getHeight() );
+            ::basegfx::B2DHomMatrix aShapeTransformation( aNonTranslationalShapeTransformation );
+            aShapeTransformation.translate( rOrigBounds.getMinX(),
+                                            rOrigBounds.getMinY() );
+
+            const ::basegfx::B2DHomMatrix& rCanvasTransform(
+                rViewLayer->getSpriteTransformation() );
+
+            // area actually needed for the sprite
+            const ::basegfx::B2DRectangle& rSpriteBoundsPixel(
+                calcUpdateAreaPixel( rUnitBounds,
+                                     aShapeTransformation,
+                                     rCanvasTransform,
+                                     pAttr ) );
+
+            // actual area for the shape (without subsetting, but
+            // including char scaling)
+            const ::basegfx::B2DRectangle& rShapeBoundsPixel(
+                calcUpdateAreaPixel( ::basegfx::B2DRectangle(0.0,0.0,1.0,1.0),
+                                     aShapeTransformation,
+                                     rCanvasTransform,
+                                     pAttr ) );
+
+            // nominal area for the shape (without subsetting, without
+            // char scaling). NOTE: to cancel the shape translation,
+            // contained in rSpriteBoundsPixel, this is _without_ any
+            // translational component.
+            ::basegfx::B2DRectangle        aLogShapeBounds;
+            const ::basegfx::B2DRectangle& rNominalShapeBoundsPixel(
+                shapeArea2AreaPixel( rCanvasTransform,
+                                     ::canvas::tools::calcTransformedRectBounds(
+                                         aLogShapeBounds,
+                                         ::basegfx::B2DRectangle(0.0,0.0,1.0,1.0),
+                                         aNonTranslationalShapeTransformation ) ) );
+
+            // create (or resize) sprite with sprite's pixel size, if
+            // not done already
+            const ::basegfx::B2DSize& rSpriteSizePixel(rSpriteBoundsPixel.getRange());
+            if( !mpSprite )
+            {
+                mpSprite = std::make_shared<AnimatedSprite>( mpViewLayer,
+                                        rSpriteSizePixel,
+                                        nPrio );
+            }
+            else
+            {
+                // TODO(F2): when the sprite _actually_ gets resized,
+                // content needs a repaint!
+                mpSprite->resize( rSpriteSizePixel );
+            }
+
+            ENSURE_OR_RETURN_FALSE( mpSprite, "ViewShape::renderSprite(): No sprite" );
+
+            SAL_INFO("slideshow", "ViewShape::renderSprite(): Rendering sprite " <<
+                           mpSprite.get() );
+
+
+            // always show the sprite (might have been hidden before)
+            mpSprite->show();
+
+            // determine center of sprite output position in pixel
+            // (assumption here: all shape transformations have the
+            // shape center as the pivot point). From that, subtract
+            // distance of rSpriteBoundsPixel's left, top edge from
+            // rShapeBoundsPixel's center. This moves the sprite at
+            // the appropriate output position within the virtual
+            // rShapeBoundsPixel area.
+            ::basegfx::B2DPoint aSpritePosPixel( rBounds.getCenter() );
+            aSpritePosPixel *= rCanvasTransform;
+            aSpritePosPixel -= rShapeBoundsPixel.getCenter() - rSpriteBoundsPixel.getMinimum();
+
+            // the difference between rShapeBoundsPixel and
+            // rSpriteBoundsPixel upper, left corner is: the offset we
+            // have to move sprite output to the right, top (to make
+            // the desired subset content visible at all)
+            const ::basegfx::B2DSize& rSpriteCorrectionOffset(
+                rSpriteBoundsPixel.getMinimum() - rNominalShapeBoundsPixel.getMinimum() );
+
+            // offset added top, left for anti-aliasing (otherwise,
+            // shapes fully filling the sprite will have anti-aliased
+            // pixel cut off)
+            const ::basegfx::B2DSize aAAOffset(
+                ::cppcanvas::Canvas::ANTIALIASING_EXTRA_SIZE,
+                ::cppcanvas::Canvas::ANTIALIASING_EXTRA_SIZE );
+
+            // set pixel output offset to sprite: we always leave
+            // ANTIALIASING_EXTRA_SIZE room atop and to the left, and,
+            // what's more, for subsetted shapes, we _have_ to cancel
+            // the effect of the shape renderer outputting the subset
+            // at its absolute position inside the shape, instead of
+            // at the origin.
+            // NOTE: As for now, sprites are always positioned on
+            // integer pixel positions on screen, have to round to
+            // nearest integer here, too
+            mpSprite->setPixelOffset(
+                aAAOffset - ::basegfx::B2DSize(
+                    ::basegfx::fround( rSpriteCorrectionOffset.getX() ),
+                    ::basegfx::fround( rSpriteCorrectionOffset.getY() ) ) );
+
+            // always set sprite position and transformation, since
+            // they do not relate directly to the update flags
+            // (e.g. sprite position changes when sprite size changes)
+            mpSprite->movePixel( aSpritePosPixel );
+            mpSprite->transform( getSpriteTransformation( rSpriteSizePixel,
+                                                          rOrigBounds.getRange(),
+                                                          pAttr ) );
+
+
+            // process flags
+            // =============
+
+            bool bRedrawRequired( mbForceUpdate || (nUpdateFlags & UpdateFlags::Force) );
+
+            if( mbForceUpdate || (nUpdateFlags & UpdateFlags::Alpha) )
+            {
+                mpSprite->setAlpha( (pAttr && pAttr->isAlphaValid()) ?
+                                    std::clamp(pAttr->getAlpha(),
+                                                     0.0,
+                                                     1.0) :
+                                    1.0 );
+            }
+            if( mbForceUpdate || (nUpdateFlags & UpdateFlags::Clip) )
+            {
+                if( pAttr && pAttr->isClipValid() )
+                {
+                    ::basegfx::B2DPolyPolygon aClipPoly( pAttr->getClip() );
+
+                    // extract linear part of canvas view transformation
+                    // (linear means: without translational components)
+                    ::basegfx::B2DHomMatrix aViewTransform(
+                        mpViewLayer->getTransformation() );
+                    aViewTransform.set( 0, 2, 0.0 );
+                    aViewTransform.set( 1, 2, 0.0 );
+
+                    // make the clip 2*ANTIALIASING_EXTRA_SIZE larger
+                    // such that it's again centered over the sprite.
+                    aViewTransform.scale(rSpriteSizePixel.getX()/
+                                         (rSpriteSizePixel.getX()-2*::cppcanvas::Canvas::ANTIALIASING_EXTRA_SIZE),
+                                         rSpriteSizePixel.getY()/
+                                         (rSpriteSizePixel.getY()-2*::cppcanvas::Canvas::ANTIALIASING_EXTRA_SIZE));
+
+                    // transform clip polygon from view to device
+                    // coordinate space
+                    aClipPoly.transform( aViewTransform );
+
+                    mpSprite->clip( aClipPoly );
+                }
+                else
+                    mpSprite->clip();
+            }
+            if( mbForceUpdate || (nUpdateFlags & UpdateFlags::Content) )
+            {
+                bRedrawRequired = true;
+
+                // TODO(P1): maybe provide some appearance change methods at
+                // the Renderer interface
+
+                // force the renderer to be regenerated below, for the
+                // different attributes to take effect
+                invalidateRenderer();
+            }
+
+            mbForceUpdate = false;
+
+            if( !bRedrawRequired )
+                return true;
+
+
+            // sprite needs repaint - output to sprite canvas
+            // ==============================================
+
+            ::cppcanvas::CanvasSharedPtr pContentCanvas( mpSprite->getContentCanvas() );
+
+            return draw( pContentCanvas,
+                         rMtf,
+                         pAttr,
+                         aShapeTransformation,
+                         nullptr, // clipping is done via Sprite::clip()
+                         rSubsets );
+        }
+
+        bool ViewShape::render( const ::cppcanvas::CanvasSharedPtr& rDestinationCanvas,
+                                const GDIMetaFileSharedPtr&         rMtf,
+                                const ::basegfx::B2DRectangle&      rBounds,
+                                const ::basegfx::B2DRectangle&      rUpdateBounds,
+                                UpdateFlags                         nUpdateFlags,
+                                const ShapeAttributeLayerSharedPtr& pAttr,
+                                const VectorOfDocTreeNodes&         rSubsets,
+                                bool                                bIsVisible ) const
+        {
+            // TODO(P1): For multiple views, it might pay off to reorg Shape and ViewShape,
+            // in that all the common setup steps here are refactored to Shape (would then
+            // have to be performed only _once_ per Shape paint).
+
+            if( !bIsVisible )
+            {
+                SAL_INFO("slideshow", "ViewShape::render(): skipping shape " << this );
+
+                // shape is invisible, no need to update anything.
+                return true;
+            }
+
+            // since we have no sprite here, _any_ update request
+            // translates into a required redraw.
+            bool bRedrawRequired( mbForceUpdate || nUpdateFlags != UpdateFlags::NONE );
+
+            if( nUpdateFlags & UpdateFlags::Content )
+            {
+                // TODO(P1): maybe provide some appearance change methods at
+                // the Renderer interface
+
+                // force the renderer to be regenerated below, for the
+                // different attributes to take effect
+                invalidateRenderer();
+            }
+
+            mbForceUpdate = false;
+
+            if( !bRedrawRequired )
+                return true;
+
+            SAL_INFO( "slideshow", "ViewShape::render(): rendering shape " <<
+                      this <<
+                      " at position (" <<
+                      rBounds.getMinX() << "," <<
+                      rBounds.getMinY() << ")" );
+
+
+            // shape needs repaint - setup all that's needed
+
+
+            std::optional<basegfx::B2DPolyPolygon> aClip;
+
+            if( pAttr )
+            {
+                // setup clip poly
+                if( pAttr->isClipValid() )
+                    aClip = pAttr->getClip();
+
+                // emulate global shape alpha by first rendering into
+                // a temp bitmap, and then to screen (this would have
+                // been much easier if we'd be currently a sprite -
+                // see above)
+                if( pAttr->isAlphaValid() )
+                {
+                    const double nAlpha( pAttr->getAlpha() );
+
+                    if( !::basegfx::fTools::equalZero( nAlpha ) &&
+                        !::rtl::math::approxEqual(nAlpha, 1.0) )
+                    {
+                        // render with global alpha - have to prepare
+                        // a bitmap, and render that with modulated
+                        // alpha
+
+
+                        const ::basegfx::B2DHomMatrix aTransform(
+                            getShapeTransformation( rBounds,
+                                                    pAttr ) );
+
+                        // TODO(P1): Should the view transform some
+                        // day contain rotation/shear, transforming
+                        // the original bounds with the total
+                        // transformation might result in smaller
+                        // overall bounds.
+
+                        // determine output rect of _shape update
+                        // area_ in device pixel
+                        const ::basegfx::B2DHomMatrix aCanvasTransform(
+                            rDestinationCanvas->getTransformation() );
+                        ::basegfx::B2DRectangle aTmpRect;
+                        ::canvas::tools::calcTransformedRectBounds( aTmpRect,
+                                                                    rUpdateBounds,
+                                                                    aCanvasTransform );
+
+                        // pixel size of cache bitmap: round up to
+                        // nearest int
+                        const ::basegfx::B2ISize aBmpSize( static_cast<sal_Int32>( aTmpRect.getWidth() )+1,
+                                                           static_cast<sal_Int32>( aTmpRect.getHeight() )+1 );
+
+                        // try to fetch temporary surface for alpha
+                        // compositing (to achieve the global alpha
+                        // blend effect, have to first render shape as
+                        // a whole, then blit that surface with global
+                        // alpha to the destination)
+                        const RendererCacheVector::iterator aCompositingSurface(
+                            getCacheEntry( rDestinationCanvas ) );
+
+                        if( !aCompositingSurface->mpLastBitmapCanvas ||
+                            aCompositingSurface->mpLastBitmapCanvas->getSize() != aBmpSize )
+                        {
+                            // create a bitmap of appropriate size
+                            ::cppcanvas::BitmapSharedPtr pBitmap(
+                                ::cppcanvas::BaseGfxFactory::createAlphaBitmap(
+                                    rDestinationCanvas,
+                                    aBmpSize ) );
+
+                            ENSURE_OR_THROW(pBitmap,
+                                             "ViewShape::render(): Could not create compositing surface");
+
+                            aCompositingSurface->mpDestinationCanvas = rDestinationCanvas;
+                            aCompositingSurface->mpLastBitmap        = pBitmap;
+                            aCompositingSurface->mpLastBitmapCanvas  = pBitmap->getBitmapCanvas();
+                        }
+
+                        // buffer aCompositingSurface iterator content
+                        // - said one might get invalidated during
+                        // draw() below.
+                        ::cppcanvas::BitmapCanvasSharedPtr pBitmapCanvas(
+                            aCompositingSurface->mpLastBitmapCanvas );
+
+                        ::cppcanvas::BitmapSharedPtr pBitmap(
+                            aCompositingSurface->mpLastBitmap);
+
+                        // setup bitmap canvas transformation -
+                        // which happens to be the destination
+                        // canvas transformation without any
+                        // translational components.
+
+                        // But then, the render transformation as
+                        // calculated by getShapeTransformation()
+                        // above outputs the shape at its real
+                        // destination position. Thus, we have to
+                        // offset the output back to the origin,
+                        // for which we simply plug in the
+                        // negative position of the left, top edge
+                        // of the shape's bound rect in device
+                        // pixel into aLinearTransform below.
+                        ::basegfx::B2DHomMatrix aAdjustedCanvasTransform( aCanvasTransform );
+                        aAdjustedCanvasTransform.translate( -aTmpRect.getMinX(),
+                                                            -aTmpRect.getMinY() );
+
+                        pBitmapCanvas->setTransformation( aAdjustedCanvasTransform );
+
+                        // TODO(P2): If no update flags, or only
+                        // alpha_update is set, we can save us the
+                        // rendering into the bitmap (uh, it's not
+                        // _that_ easy - for a forced redraw,
+                        // e.g. when ending an animation, we always
+                        // get UPDATE_FORCE here).
+
+                        // render into this bitmap
+                        if( !draw( pBitmapCanvas,
+                                   rMtf,
+                                   pAttr,
+                                   aTransform,
+                                   !aClip ? nullptr : &(*aClip),
+                                   rSubsets ) )
+                        {
+                            return false;
+                        }
+
+                        // render bitmap to screen, with given global
+                        // alpha. Since the bitmap already contains
+                        // pixel-equivalent output, we have to use the
+                        // inverse view transformation, adjusted with
+                        // the final shape output position (note:
+                        // cannot simply change the view
+                        // transformation here, as that would affect a
+                        // possibly set clip!)
+                        ::basegfx::B2DHomMatrix aBitmapTransform( aCanvasTransform );
+                        OSL_ENSURE( aBitmapTransform.isInvertible(),
+                                    "ViewShape::render(): View transformation is singular!" );
+
+                        aBitmapTransform.invert();
+
+                        const basegfx::B2DHomMatrix aTranslation(basegfx::utils::createTranslateB2DHomMatrix(
+                            aTmpRect.getMinX(), aTmpRect.getMinY()));
+
+                        aBitmapTransform = aBitmapTransform * aTranslation;
+                        pBitmap->setTransformation( aBitmapTransform );
+
+                        // finally, render bitmap alpha-modulated
+                        pBitmap->drawAlphaModulated( nAlpha );
+
+                        return true;
+                    }
+                }
+            }
+
+            // retrieve shape transformation, _with_ shape translation
+            // to actual page position.
+            const ::basegfx::B2DHomMatrix aTransform(
+                getShapeTransformation( rBounds,
+                                        pAttr ) );
+
+            return draw( rDestinationCanvas,
+                         rMtf,
+                         pAttr,
+                         aTransform,
+                         !aClip ? nullptr : &(*aClip),
+                         rSubsets );
+        }
+
+
+        ViewShape::ViewShape( const ViewLayerSharedPtr& rViewLayer ) :
+            mpViewLayer( rViewLayer ),
+            maRenderers(),
+            mpSprite(),
+            mbAnimationMode( false ),
+            mbForceUpdate( true )
+        {
+            ENSURE_OR_THROW( mpViewLayer, "ViewShape::ViewShape(): Invalid View" );
+        }
+
+        const ViewLayerSharedPtr& ViewShape::getViewLayer() const
+        {
+            return mpViewLayer;
+        }
+
+        ViewShape::RendererCacheVector::iterator ViewShape::getCacheEntry( const ::cppcanvas::CanvasSharedPtr&  rDestinationCanvas ) const
+        {
+            // lookup destination canvas - is there already a renderer
+            // created for that target?
+            RendererCacheVector::iterator       aIter;
+            const RendererCacheVector::iterator aEnd( maRenderers.end() );
+
+            // already there?
+            if( (aIter=::std::find_if( maRenderers.begin(),
+                                       aEnd,
+                                       [&rDestinationCanvas]( const RendererCacheEntry& rCacheEntry )
+                                       { return rDestinationCanvas == rCacheEntry.getDestinationCanvas(); } ) ) == aEnd )
+            {
+                if( maRenderers.size() >= MAX_RENDER_CACHE_ENTRIES )
+                {
+                    // cache size exceeded - prune entries. For now,
+                    // simply remove the first one, which of course
+                    // breaks for more complex access schemes. But in
+                    // general, this leads to most recently used
+                    // entries to reside at the end of the vector.
+                    maRenderers.erase( maRenderers.begin() );
+
+                    // ATTENTION: after this, both aIter and aEnd are
+                    // invalid!
+                }
+
+                // not yet in cache - add default-constructed cache
+                // entry, to have something to return
+                maRenderers.emplace_back( );
+                aIter = maRenderers.end()-1;
+            }
+
+            return aIter;
+        }
+
+        ::cppcanvas::RendererSharedPtr ViewShape::getRenderer( const ::cppcanvas::CanvasSharedPtr&  rDestinationCanvas,
+                                                               const GDIMetaFileSharedPtr&          rMtf,
+                                                               const ShapeAttributeLayerSharedPtr&  rAttr ) const
+        {
+            // lookup destination canvas - is there already a renderer
+            // created for that target?
+            const RendererCacheVector::iterator aIter(
+                getCacheEntry( rDestinationCanvas ) );
+
+            // now we have a valid entry, either way. call prefetch()
+            // on it, nevertheless - maybe the metafile changed, and
+            // the renderer still needs an update (prefetch() will
+            // detect that)
+            if( prefetch( *aIter,
+                          rDestinationCanvas,
+                          rMtf,
+                          rAttr ) )
+            {
+                return aIter->mpRenderer;
+            }
+            else
+            {
+                // prefetch failed - renderer is invalid
+                return ::cppcanvas::RendererSharedPtr();
+            }
+        }
+
+        void ViewShape::invalidateRenderer() const
+        {
+            // simply clear the cache. Subsequent getRenderer() calls
+            // will regenerate the Renderers.
+            maRenderers.clear();
+        }
+
+        ::basegfx::B2DSize ViewShape::getAntialiasingBorder() const
+        {
+            ENSURE_OR_THROW( mpViewLayer->getCanvas(),
+                              "ViewShape::getAntialiasingBorder(): Invalid ViewLayer canvas" );
+
+            const ::basegfx::B2DHomMatrix& rViewTransform(
+                mpViewLayer->getTransformation() );
+
+            // TODO(F1): As a quick shortcut (did not want to invert
+            // whole matrix here), taking only scale components of
+            // view transformation matrix. This will be wrong when
+            // e.g. shearing is involved.
+            const double nXBorder( ::cppcanvas::Canvas::ANTIALIASING_EXTRA_SIZE / rViewTransform.get(0,0) );
+            const double nYBorder( ::cppcanvas::Canvas::ANTIALIASING_EXTRA_SIZE / rViewTransform.get(1,1) );
+
+            return ::basegfx::B2DSize( nXBorder,
+                                       nYBorder );
+        }
+
+        void ViewShape::enterAnimationMode()
+        {
+            mbForceUpdate   = true;
+            mbAnimationMode = true;
+        }
+
+        void ViewShape::leaveAnimationMode()
+        {
+            mpSprite.reset();
+            mbAnimationMode = false;
+            mbForceUpdate   = true;
+        }
+
+        bool ViewShape::update( const GDIMetaFileSharedPtr& rMtf,
+                                const RenderArgs&           rArgs,
+                                UpdateFlags                 nUpdateFlags,
+                                bool                        bIsVisible ) const
+        {
+            ENSURE_OR_RETURN_FALSE( mpViewLayer->getCanvas(), "ViewShape::update(): Invalid layer canvas" );
+
+            // Shall we render to a sprite, or to a plain canvas?
+            if( mbAnimationMode )
+                return renderSprite( mpViewLayer,
+                                     rMtf,
+                                     rArgs.maOrigBounds,
+                                     rArgs.maBounds,
+                                     rArgs.maUnitBounds,
+                                     nUpdateFlags,
+                                     rArgs.mrAttr,
+                                     rArgs.mrSubsets,
+                                     rArgs.mnShapePriority,
+                                     bIsVisible );
+            else
+                return render( mpViewLayer->getCanvas(),
+                               rMtf,
+                               rArgs.maBounds,
+                               rArgs.maUpdateBounds,
+                               nUpdateFlags,
+                               rArgs.mrAttr,
+                               rArgs.mrSubsets,
+                               bIsVisible );
+        }
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/slideshow/source/engine/shapes/viewshape.hxx b/slideshow/source/engine/shapes/viewshape.hxx
new file mode 100644
index 000000000..c7e1d564c
--- /dev/null
+++ b/slideshow/source/engine/shapes/viewshape.hxx
@@ -0,0 +1,319 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_VIEWSHAPE_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_VIEWSHAPE_HXX
+
+#include <cppcanvas/renderer.hxx>
+#include <cppcanvas/bitmap.hxx>
+
+#include <basegfx/range/b2drectangle.hxx>
+#include <o3tl/typed_flags_set.hxx>
+
+#include <tools.hxx>
+#include <shapeattributelayer.hxx>
+#include <animatedsprite.hxx>
+#include <viewlayer.hxx>
+#include <doctreenode.hxx>
+
+#include <vector>
+#include <memory>
+
+enum class UpdateFlags
+{
+    NONE           = 0x00,
+    Transformation = 0x01,
+    Clip           = 0x02,
+    Alpha          = 0x04,
+    Position       = 0x08,
+    Content        = 0x10,
+    Force          = 0x20,
+};
+namespace o3tl {
+    template<> struct typed_flags<UpdateFlags> : is_typed_flags<UpdateFlags, 0x3f> {};
+}
+
+
+
+namespace slideshow::internal
+    {
+        /** This class is the viewable representation of a draw
+            document's XShape, associated to a specific View
+
+            The class is able to render the associated XShape on
+            View implementations.
+         */
+        class ViewShape
+        {
+        public:
+            /** Create a ViewShape for the given View
+
+                @param rView
+                The associated View object.
+             */
+            explicit ViewShape( const ViewLayerSharedPtr& rViewLayer );
+
+            ///Forbid copy construction
+            ViewShape(const ViewShape&) = delete;
+            /// Forbid copy assignment
+            ViewShape& operator=(const ViewShape&) = delete;
+
+            /** Query the associated view layer of this shape
+             */
+            const ViewLayerSharedPtr& getViewLayer() const;
+
+            /** Query dimension of a safety border around the shape for AA
+
+                If the view performs antialiasing, this method
+                calculates a safety border around the shape, in the
+                shape coordinate system, which is guaranteed to
+                include every pixel touched when rendering the shape.
+             */
+            ::basegfx::B2DSize getAntialiasingBorder() const;
+
+
+            // animation methods
+
+
+            /** Notify the ViewShape that an animation starts now
+
+                This method enters animation mode on the associate
+                target view. The shape can be animated in parallel on
+                different views.
+             */
+            void enterAnimationMode();
+
+            /** Notify the ViewShape that it is no longer animated
+
+                This methods ends animation mode on the associate
+                target view
+             */
+            void leaveAnimationMode();
+
+
+            // render methods
+
+
+            struct RenderArgs
+            {
+                /** Create render argument struct
+
+                    @param rOrigBounds
+                    The initial shape bounds
+
+                    @param rUpdateBounds
+                    The area covered by the shape
+
+                    @param rBounds
+                    The current shape bounds
+
+                    @param rAttr
+                    The current shape attribute set. Can be NULL, for
+                    default attributes. Attention: stored as a reference,
+                    thus, parameter object must stay valid!
+
+                    @param rSubsets
+                    Vector of subset rendering ranges. Attention:
+                    stored as a reference, thus, parameter object must
+                    stay valid!
+
+                    @param nPrio
+                    Shape priority
+                */
+                RenderArgs( const ::basegfx::B2DRectangle&      rOrigBounds,
+                            const ::basegfx::B2DRectangle&      rUpdateBounds,
+                            const ::basegfx::B2DRectangle&      rBounds,
+                            const ::basegfx::B2DRectangle&      rUnitBounds,
+                            const ShapeAttributeLayerSharedPtr& rAttr,
+                            const VectorOfDocTreeNodes&         rSubsets,
+                            double                              nPrio ) :
+                    maOrigBounds( rOrigBounds ),
+                    maUpdateBounds( rUpdateBounds ),
+                    maBounds( rBounds ),
+                    maUnitBounds( rUnitBounds ),
+                    mrAttr( rAttr ),
+                    mrSubsets( rSubsets ),
+                    mnShapePriority( nPrio )
+                {
+                }
+
+                const ::basegfx::B2DRectangle       maOrigBounds;
+                const ::basegfx::B2DRectangle       maUpdateBounds;
+                const ::basegfx::B2DRectangle       maBounds;
+                const ::basegfx::B2DRectangle       maUnitBounds;
+                const ShapeAttributeLayerSharedPtr& mrAttr;
+                const VectorOfDocTreeNodes&         mrSubsets;
+                const double                        mnShapePriority;
+            };
+
+            /** Update the ViewShape
+
+                This method updates the ViewShape on the associated
+                view. If the shape is currently animated, the render
+                target is the sprite, otherwise the view's
+                canvas. This method does not render anything, if the
+                update flags are 0.
+
+                @param rMtf
+                The metafile representation of the shape
+
+                @param rArgs
+                Parameter structure, containing all necessary arguments
+
+                @param nUpdateFlags
+                Bitmask of things to update. Use FORCE to force a repaint.
+
+                @param bIsVisible
+                When false, the shape is fully invisible (and possibly
+                don't need to be painted)
+
+                @return whether the rendering finished successfully.
+            */
+            bool update( const GDIMetaFileSharedPtr&    rMtf,
+                         const RenderArgs&              rArgs,
+                         UpdateFlags                    nUpdateFlags,
+                         bool                           bIsVisible ) const;
+
+            /** Retrieve renderer for given canvas and metafile.
+
+                If necessary, the renderer is created or updated for
+                the metafile and attribute layer.
+
+                @return a renderer that renders to the given
+                destination canvas
+             */
+            ::cppcanvas::RendererSharedPtr getRenderer( const ::cppcanvas::CanvasSharedPtr& rDestinationCanvas,
+                                                        const GDIMetaFileSharedPtr&         rMtf,
+                                                        const ShapeAttributeLayerSharedPtr& rAttr ) const;
+
+
+        private:
+            struct RendererCacheEntry
+            {
+                RendererCacheEntry() :
+                    mpDestinationCanvas(),
+                    mpRenderer(),
+                    mpMtf(),
+                    mpLastBitmap(),
+                    mpLastBitmapCanvas()
+                {
+                }
+
+                const ::cppcanvas::CanvasSharedPtr& getDestinationCanvas() const
+                {
+                    return mpDestinationCanvas;
+                }
+
+                ::cppcanvas::CanvasSharedPtr        mpDestinationCanvas;
+                ::cppcanvas::RendererSharedPtr      mpRenderer;
+                GDIMetaFileSharedPtr                mpMtf;
+                ::cppcanvas::BitmapSharedPtr        mpLastBitmap;
+                ::cppcanvas::BitmapCanvasSharedPtr  mpLastBitmapCanvas;
+            };
+
+            typedef ::std::vector< RendererCacheEntry > RendererCacheVector;
+
+
+            /** Prefetch Renderer for given canvas
+             */
+            static bool prefetch( RendererCacheEntry&                  io_rCacheEntry,
+                           const ::cppcanvas::CanvasSharedPtr&  rDestinationCanvas,
+                           const GDIMetaFileSharedPtr&          rMtf,
+                           const ShapeAttributeLayerSharedPtr&  rAttr );
+
+            /** Draw with prefetched Renderer to stored canvas
+
+                This method draws prefetched Renderer to its
+                associated canvas (which happens to be mpLastCanvas).
+             */
+            bool draw( const ::cppcanvas::CanvasSharedPtr&  rDestinationCanvas,
+                       const GDIMetaFileSharedPtr&          rMtf,
+                       const ShapeAttributeLayerSharedPtr&  rAttr,
+                       const ::basegfx::B2DHomMatrix&       rTransform,
+                       const ::basegfx::B2DPolyPolygon*     pClip,
+                       const VectorOfDocTreeNodes&          rSubsets ) const;
+
+            /** Render shape to an active sprite
+             */
+            bool renderSprite( const ViewLayerSharedPtr&            rViewLayer,
+                               const GDIMetaFileSharedPtr&          rMtf,
+                               const ::basegfx::B2DRectangle&       rOrigBounds,
+                               const ::basegfx::B2DRectangle&       rBounds,
+                               const ::basegfx::B2DRectangle&       rUnitBounds,
+                               UpdateFlags                          nUpdateFlags,
+                               const ShapeAttributeLayerSharedPtr&  pAttr,
+                               const VectorOfDocTreeNodes&          rSubsets,
+                               double                               nPrio,
+                               bool                                 bIsVisible ) const;
+
+            /** Render shape to given canvas
+             */
+            bool render( const ::cppcanvas::CanvasSharedPtr&    rDestinationCanvas,
+                         const GDIMetaFileSharedPtr&            rMtf,
+                         const ::basegfx::B2DRectangle&         rBounds,
+                         const ::basegfx::B2DRectangle&         rUpdateBounds,
+                         UpdateFlags                            nUpdateFlags,
+                         const ShapeAttributeLayerSharedPtr&    pAttr,
+                         const VectorOfDocTreeNodes&            rSubsets,
+                         bool                                   bIsVisible ) const;
+
+            enum{ MAX_RENDER_CACHE_ENTRIES=2 };
+
+            /** Retrieve a valid iterator to renderer cache entry
+
+                This method ensures that an internal limit of
+                MAX_RENDER_CACHE_ENTRIES is not exceeded.
+
+                @param rDestinationCanvas
+                Destination canvas to retrieve cache entry for
+
+                @return a valid iterator to a renderer cache entry for
+                the given canvas. The entry might be
+                default-constructed (if newly added)
+             */
+            RendererCacheVector::iterator getCacheEntry( const ::cppcanvas::CanvasSharedPtr& rDestinationCanvas ) const;
+
+            void invalidateRenderer() const;
+
+            /** The view layer this object is part of.
+
+                Needed for sprite creation
+            */
+            ViewLayerSharedPtr                          mpViewLayer;
+
+            /// A set of cached mtf/canvas combinations
+            mutable RendererCacheVector                 maRenderers;
+
+            /// The sprite object
+            mutable AnimatedSpriteSharedPtr             mpSprite;
+
+            /// If true, render() calls go to the sprite
+            mutable bool                                mbAnimationMode;
+
+            /// If true, shape needs full repaint (and the sprite a setup, if any)
+            mutable bool                                mbForceUpdate;
+        };
+
+        typedef ::std::shared_ptr< ViewShape > ViewShapeSharedPtr;
+
+}
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_VIEWSHAPE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */