Adding upstream version 4:24.2.0.upstream/4%24.2.0

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

2 files changed, 825 insertions, 0 deletions

diff --git a/drawinglayer/source/geometry/viewinformation2d.cxx b/drawinglayer/source/geometry/viewinformation2d.cxx
new file mode 100644
index 0000000000..03089e41e3
--- /dev/null
+++ b/drawinglayer/source/geometry/viewinformation2d.cxx
@@ -0,0 +1,458 @@
+/* -*- 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 <drawinglayer/geometry/viewinformation2d.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/range/b2drange.hxx>
+#include <basegfx/utils/canvastools.hxx>
+#include <com/sun/star/beans/PropertyValue.hpp>
+#include <com/sun/star/drawing/XDrawPage.hpp>
+#include <com/sun/star/geometry/AffineMatrix2D.hpp>
+#include <com/sun/star/geometry/RealRectangle2D.hpp>
+#include <o3tl/temporary.hxx>
+#include <officecfg/Office/Common.hxx>
+#include <unotools/configmgr.hxx>
+
+#include <atomic>
+#include <utility>
+
+using namespace com::sun::star;
+
+namespace drawinglayer::geometry
+{
+namespace
+{
+constexpr OUStringLiteral g_PropertyName_ObjectTransformation = u"ObjectTransformation";
+constexpr OUStringLiteral g_PropertyName_ViewTransformation = u"ViewTransformation";
+constexpr OUStringLiteral g_PropertyName_Viewport = u"Viewport";
+constexpr OUStringLiteral g_PropertyName_Time = u"Time";
+constexpr OUStringLiteral g_PropertyName_VisualizedPage = u"VisualizedPage";
+constexpr OUStringLiteral g_PropertyName_ReducedDisplayQuality = u"ReducedDisplayQuality";
+constexpr OUStringLiteral g_PropertyName_UseAntiAliasing = u"UseAntiAliasing";
+constexpr OUStringLiteral g_PropertyName_PixelSnapHairline = u"PixelSnapHairline";
+}
+
+namespace
+{
+bool bForwardsAreInitialized(false);
+bool bForwardPixelSnapHairline(true);
+}
+
+class ImpViewInformation2D
+{
+private:
+    // ViewInformation2D implementation can change refcount, so we have only
+    // two memory regions for pairs of ViewInformation2D/ImpViewInformation2D
+    friend class ::drawinglayer::geometry::ViewInformation2D;
+
+protected:
+    // the object transformation
+    basegfx::B2DHomMatrix maObjectTransformation;
+
+    // the view transformation
+    basegfx::B2DHomMatrix maViewTransformation;
+
+    // the ObjectToView and it's inverse, both on demand from ObjectTransformation
+    // and ViewTransformation
+    basegfx::B2DHomMatrix maObjectToViewTransformation;
+    basegfx::B2DHomMatrix maInverseObjectToViewTransformation;
+
+    // the visible range and the on-demand one in ViewCoordinates
+    basegfx::B2DRange maViewport;
+    basegfx::B2DRange maDiscreteViewport;
+
+    // the DrawPage which is target of visualisation. This is needed e.g. for
+    // the view-dependent decomposition of PageNumber TextFields.
+    // This parameter is buffered here, but mainly resides in mxExtendedInformation,
+    // so it will be interpreted, but held there. It will also not be added
+    // to mxExtendedInformation in impFillViewInformationFromContent (it's there already)
+    uno::Reference<drawing::XDrawPage> mxVisualizedPage;
+
+    // the point in time
+    double mfViewTime;
+
+    // allow to reduce DisplayQuality (e.g. sw 3d fallback renderer for interactions)
+    bool mbReducedDisplayQuality : 1;
+
+    // determine if to use AntiAliasing on target pixel device
+    bool mbUseAntiAliasing : 1;
+
+    // determine if to use PixelSnapHairline on target pixel device
+    bool mbPixelSnapHairline : 1;
+
+public:
+    ImpViewInformation2D()
+        : maObjectTransformation()
+        , maViewTransformation()
+        , maObjectToViewTransformation()
+        , maInverseObjectToViewTransformation()
+        , maViewport()
+        , maDiscreteViewport()
+        , mxVisualizedPage()
+        , mfViewTime(0.0)
+        , mbReducedDisplayQuality(false)
+        , mbUseAntiAliasing(ViewInformation2D::getGlobalAntiAliasing())
+        , mbPixelSnapHairline(mbUseAntiAliasing && bForwardPixelSnapHairline)
+    {
+    }
+
+    const basegfx::B2DHomMatrix& getObjectTransformation() const { return maObjectTransformation; }
+    void setObjectTransformation(const basegfx::B2DHomMatrix& rNew)
+    {
+        maObjectTransformation = rNew;
+        maObjectToViewTransformation.identity();
+        maInverseObjectToViewTransformation.identity();
+    }
+
+    const basegfx::B2DHomMatrix& getViewTransformation() const { return maViewTransformation; }
+    void setViewTransformation(const basegfx::B2DHomMatrix& rNew)
+    {
+        maViewTransformation = rNew;
+        maDiscreteViewport.reset();
+        maObjectToViewTransformation.identity();
+        maInverseObjectToViewTransformation.identity();
+    }
+
+    const basegfx::B2DRange& getViewport() const { return maViewport; }
+    void setViewport(const basegfx::B2DRange& rNew)
+    {
+        maViewport = rNew;
+        maDiscreteViewport.reset();
+    }
+
+    const basegfx::B2DRange& getDiscreteViewport() const
+    {
+        if (maDiscreteViewport.isEmpty() && !maViewport.isEmpty())
+        {
+            basegfx::B2DRange aDiscreteViewport(maViewport);
+            aDiscreteViewport.transform(getViewTransformation());
+            const_cast<ImpViewInformation2D*>(this)->maDiscreteViewport = aDiscreteViewport;
+        }
+
+        return maDiscreteViewport;
+    }
+
+    const basegfx::B2DHomMatrix& getObjectToViewTransformation() const
+    {
+        if (maObjectToViewTransformation.isIdentity()
+            && (!maObjectTransformation.isIdentity() || !maViewTransformation.isIdentity()))
+        {
+            basegfx::B2DHomMatrix aObjectToView(maViewTransformation * maObjectTransformation);
+            const_cast<ImpViewInformation2D*>(this)->maObjectToViewTransformation = aObjectToView;
+        }
+
+        return maObjectToViewTransformation;
+    }
+
+    const basegfx::B2DHomMatrix& getInverseObjectToViewTransformation() const
+    {
+        if (maInverseObjectToViewTransformation.isIdentity()
+            && (!maObjectTransformation.isIdentity() || !maViewTransformation.isIdentity()))
+        {
+            basegfx::B2DHomMatrix aInverseObjectToView(maViewTransformation
+                                                       * maObjectTransformation);
+            aInverseObjectToView.invert();
+            const_cast<ImpViewInformation2D*>(this)->maInverseObjectToViewTransformation
+                = aInverseObjectToView;
+        }
+
+        return maInverseObjectToViewTransformation;
+    }
+
+    double getViewTime() const { return mfViewTime; }
+    void setViewTime(double fNew)
+    {
+        if (fNew >= 0.0)
+        {
+            mfViewTime = fNew;
+        }
+    }
+
+    const uno::Reference<drawing::XDrawPage>& getVisualizedPage() const { return mxVisualizedPage; }
+    void setVisualizedPage(const uno::Reference<drawing::XDrawPage>& rNew)
+    {
+        mxVisualizedPage = rNew;
+    }
+
+    bool getReducedDisplayQuality() const { return mbReducedDisplayQuality; }
+    void setReducedDisplayQuality(bool bNew) { mbReducedDisplayQuality = bNew; }
+
+    bool getUseAntiAliasing() const { return mbUseAntiAliasing; }
+    void setUseAntiAliasing(bool bNew) { mbUseAntiAliasing = bNew; }
+
+    bool getPixelSnapHairline() const { return mbPixelSnapHairline; }
+    void setPixelSnapHairline(bool bNew) { mbPixelSnapHairline = bNew; }
+
+    bool operator==(const ImpViewInformation2D& rCandidate) const
+    {
+        return (maObjectTransformation == rCandidate.maObjectTransformation
+                && maViewTransformation == rCandidate.maViewTransformation
+                && maViewport == rCandidate.maViewport
+                && mxVisualizedPage == rCandidate.mxVisualizedPage
+                && mfViewTime == rCandidate.mfViewTime
+                && mbReducedDisplayQuality == rCandidate.mbReducedDisplayQuality
+                && mbUseAntiAliasing == rCandidate.mbUseAntiAliasing
+                && mbPixelSnapHairline == rCandidate.mbPixelSnapHairline);
+    }
+};
+
+namespace
+{
+ViewInformation2D::ImplType& theGlobalDefault()
+{
+    static ViewInformation2D::ImplType SINGLETON;
+    return SINGLETON;
+}
+}
+
+ViewInformation2D::ViewInformation2D()
+    : mpViewInformation2D(theGlobalDefault())
+{
+    if (!bForwardsAreInitialized)
+    {
+        bForwardsAreInitialized = true;
+        if (!utl::ConfigManager::IsFuzzing())
+        {
+            bForwardPixelSnapHairline
+                = officecfg::Office::Common::Drawinglayer::SnapHorVerLinesToDiscrete::get();
+        }
+    }
+
+    setUseAntiAliasing(ViewInformation2D::getGlobalAntiAliasing());
+    setPixelSnapHairline(bForwardPixelSnapHairline);
+}
+
+ViewInformation2D::ViewInformation2D(const ViewInformation2D&) = default;
+
+ViewInformation2D::ViewInformation2D(ViewInformation2D&&) = default;
+
+ViewInformation2D::~ViewInformation2D() = default;
+
+ViewInformation2D& ViewInformation2D::operator=(const ViewInformation2D&) = default;
+
+ViewInformation2D& ViewInformation2D::operator=(ViewInformation2D&&) = default;
+
+bool ViewInformation2D::operator==(const ViewInformation2D& rCandidate) const
+{
+    return rCandidate.mpViewInformation2D == mpViewInformation2D;
+}
+
+const basegfx::B2DHomMatrix& ViewInformation2D::getObjectTransformation() const
+{
+    return mpViewInformation2D->getObjectTransformation();
+}
+
+void ViewInformation2D::setObjectTransformation(const basegfx::B2DHomMatrix& rNew)
+{
+    if (std::as_const(mpViewInformation2D)->getObjectTransformation() != rNew)
+        mpViewInformation2D->setObjectTransformation(rNew);
+}
+
+const basegfx::B2DHomMatrix& ViewInformation2D::getViewTransformation() const
+{
+    return mpViewInformation2D->getViewTransformation();
+}
+
+void ViewInformation2D::setViewTransformation(const basegfx::B2DHomMatrix& rNew)
+{
+    if (std::as_const(mpViewInformation2D)->getViewTransformation() != rNew)
+        mpViewInformation2D->setViewTransformation(rNew);
+}
+
+const basegfx::B2DRange& ViewInformation2D::getViewport() const
+{
+    return mpViewInformation2D->getViewport();
+}
+
+void ViewInformation2D::setViewport(const basegfx::B2DRange& rNew)
+{
+    if (rNew != std::as_const(mpViewInformation2D)->getViewport())
+        mpViewInformation2D->setViewport(rNew);
+}
+
+double ViewInformation2D::getViewTime() const { return mpViewInformation2D->getViewTime(); }
+
+void ViewInformation2D::setViewTime(double fNew)
+{
+    if (fNew != std::as_const(mpViewInformation2D)->getViewTime())
+        mpViewInformation2D->setViewTime(fNew);
+}
+
+const uno::Reference<drawing::XDrawPage>& ViewInformation2D::getVisualizedPage() const
+{
+    return mpViewInformation2D->getVisualizedPage();
+}
+
+void ViewInformation2D::setVisualizedPage(const uno::Reference<drawing::XDrawPage>& rNew)
+{
+    if (rNew != std::as_const(mpViewInformation2D)->getVisualizedPage())
+        mpViewInformation2D->setVisualizedPage(rNew);
+}
+
+const basegfx::B2DHomMatrix& ViewInformation2D::getObjectToViewTransformation() const
+{
+    return mpViewInformation2D->getObjectToViewTransformation();
+}
+
+const basegfx::B2DHomMatrix& ViewInformation2D::getInverseObjectToViewTransformation() const
+{
+    return mpViewInformation2D->getInverseObjectToViewTransformation();
+}
+
+const basegfx::B2DRange& ViewInformation2D::getDiscreteViewport() const
+{
+    return mpViewInformation2D->getDiscreteViewport();
+}
+
+bool ViewInformation2D::getReducedDisplayQuality() const
+{
+    return mpViewInformation2D->getReducedDisplayQuality();
+}
+
+void ViewInformation2D::setReducedDisplayQuality(bool bNew)
+{
+    if (bNew != std::as_const(mpViewInformation2D)->getReducedDisplayQuality())
+        mpViewInformation2D->setReducedDisplayQuality(bNew);
+}
+
+bool ViewInformation2D::getUseAntiAliasing() const
+{
+    return mpViewInformation2D->getUseAntiAliasing();
+}
+
+void ViewInformation2D::setUseAntiAliasing(bool bNew)
+{
+    if (bNew != std::as_const(mpViewInformation2D)->getUseAntiAliasing())
+        mpViewInformation2D->setUseAntiAliasing(bNew);
+}
+
+bool ViewInformation2D::getPixelSnapHairline() const
+{
+    return mpViewInformation2D->getPixelSnapHairline();
+}
+
+void ViewInformation2D::setPixelSnapHairline(bool bNew)
+{
+    if (bNew != std::as_const(mpViewInformation2D)->getPixelSnapHairline())
+        mpViewInformation2D->setPixelSnapHairline(bNew);
+}
+
+static std::atomic<bool>& globalAntiAliasing()
+{
+    static std::atomic<bool> g_GlobalAntiAliasing
+        = utl::ConfigManager::IsFuzzing()
+          || officecfg::Office::Common::Drawinglayer::AntiAliasing::get();
+    return g_GlobalAntiAliasing;
+}
+
+/**
+  * Some code like to turn this stuff on and off during a drawing operation
+  * so it can "tunnel" information down through several layers,
+  * so we don't want to actually do a config write all the time.
+  */
+void ViewInformation2D::setGlobalAntiAliasing(bool bAntiAliasing, bool bTemporary)
+{
+    if (globalAntiAliasing().compare_exchange_strong(o3tl::temporary(!bAntiAliasing), bAntiAliasing)
+        && !bTemporary)
+    {
+        auto batch = comphelper::ConfigurationChanges::create();
+        officecfg::Office::Common::Drawinglayer::AntiAliasing::set(bAntiAliasing, batch);
+        batch->commit();
+    }
+}
+bool ViewInformation2D::getGlobalAntiAliasing() { return globalAntiAliasing(); }
+
+void ViewInformation2D::forwardPixelSnapHairline(bool bPixelSnapHairline)
+{
+    bForwardPixelSnapHairline = bPixelSnapHairline;
+}
+
+ViewInformation2D
+createViewInformation2D(const css::uno::Sequence<css::beans::PropertyValue>& rViewParameters)
+{
+    if (!rViewParameters.hasElements())
+        return ViewInformation2D();
+
+    ViewInformation2D aRetval;
+
+    for (auto const& rPropertyValue : rViewParameters)
+    {
+        if (rPropertyValue.Name == g_PropertyName_ReducedDisplayQuality)
+        {
+            bool bNew(false);
+            rPropertyValue.Value >>= bNew;
+            aRetval.setReducedDisplayQuality(bNew);
+        }
+        else if (rPropertyValue.Name == g_PropertyName_PixelSnapHairline)
+        {
+            bool bNew(
+                true); //SvtOptionsDrawinglayer::IsAntiAliasing() && SvtOptionsDrawinglayer::IsSnapHorVerLinesToDiscrete());
+            rPropertyValue.Value >>= bNew;
+            aRetval.setPixelSnapHairline(bNew);
+        }
+        else if (rPropertyValue.Name == g_PropertyName_UseAntiAliasing)
+        {
+            bool bNew(true); //SvtOptionsDrawinglayer::IsAntiAliasing());
+            rPropertyValue.Value >>= bNew;
+            aRetval.setUseAntiAliasing(bNew);
+        }
+        else if (rPropertyValue.Name == g_PropertyName_ObjectTransformation)
+        {
+            css::geometry::AffineMatrix2D aAffineMatrix2D;
+            rPropertyValue.Value >>= aAffineMatrix2D;
+            basegfx::B2DHomMatrix aTransformation;
+            basegfx::unotools::homMatrixFromAffineMatrix(aTransformation, aAffineMatrix2D);
+            aRetval.setObjectTransformation(aTransformation);
+        }
+        else if (rPropertyValue.Name == g_PropertyName_ViewTransformation)
+        {
+            css::geometry::AffineMatrix2D aAffineMatrix2D;
+            rPropertyValue.Value >>= aAffineMatrix2D;
+            basegfx::B2DHomMatrix aTransformation;
+            basegfx::unotools::homMatrixFromAffineMatrix(aTransformation, aAffineMatrix2D);
+            aRetval.setViewTransformation(aTransformation);
+        }
+        else if (rPropertyValue.Name == g_PropertyName_Viewport)
+        {
+            css::geometry::RealRectangle2D aUnoViewport;
+            rPropertyValue.Value >>= aUnoViewport;
+            const basegfx::B2DRange aViewport(
+                basegfx::unotools::b2DRectangleFromRealRectangle2D(aUnoViewport));
+            aRetval.setViewport(aViewport);
+        }
+        else if (rPropertyValue.Name == g_PropertyName_Time)
+        {
+            double fViewTime(0.0);
+            rPropertyValue.Value >>= fViewTime;
+            aRetval.setViewTime(fViewTime);
+        }
+        else if (rPropertyValue.Name == g_PropertyName_VisualizedPage)
+        {
+            css::uno::Reference<css::drawing::XDrawPage> xVisualizedPage;
+            rPropertyValue.Value >>= xVisualizedPage;
+            aRetval.setVisualizedPage(xVisualizedPage);
+        }
+    }
+
+    return aRetval;
+}
+
+} // end of namespace drawinglayer::geometry
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/drawinglayer/source/geometry/viewinformation3d.cxx b/drawinglayer/source/geometry/viewinformation3d.cxx
new file mode 100644
index 0000000000..1fb3344c8b
--- /dev/null
+++ b/drawinglayer/source/geometry/viewinformation3d.cxx
@@ -0,0 +1,367 @@
+/* -*- 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 <drawinglayer/geometry/viewinformation3d.hxx>
+#include <basegfx/matrix/b3dhommatrix.hxx>
+#include <com/sun/star/beans/PropertyValue.hpp>
+#include <com/sun/star/geometry/AffineMatrix3D.hpp>
+#include <basegfx/utils/canvastools.hxx>
+#include <com/sun/star/uno/Sequence.hxx>
+#include <utility>
+
+
+using namespace com::sun::star;
+
+
+namespace drawinglayer::geometry
+{
+        /** Implementation class for ViewInformation3D
+        */
+        class ImpViewInformation3D
+        {
+        private:
+            // ViewInformation3D implementation can change refcount, so we have only
+            // two memory regions for pairs of ViewInformation3D/ImpViewInformation3D
+            friend class ::drawinglayer::geometry::ViewInformation3D;
+
+            // the 3D transformations
+            // Object to World. This may change and being adapted when entering 3D transformation
+            // groups
+            basegfx::B3DHomMatrix                       maObjectTransformation;
+
+            // World to Camera. This includes VRP, VPN and VUV camera coordinate system
+            basegfx::B3DHomMatrix                       maOrientation;
+
+            // Camera to Device with X,Y and Z [-1.0 .. 1.0]. This is the
+            // 3D to 2D projection which may be parallel or perspective. When it is perspective,
+            // the last line of the homogen matrix will NOT be unused
+            basegfx::B3DHomMatrix                       maProjection;
+
+            // Device to View with X,Y and Z [0.0 .. 1.0]. This converts from -1 to 1 coordinates
+            // in camera coordinate system to 0 to 1 in unit 2D coordinates. This way it stays
+            // view-independent. To get discrete coordinates, the 2D transformation of a scene
+            // as 2D object needs to be involved
+            basegfx::B3DHomMatrix                       maDeviceToView;
+
+            // Object to View is the linear combination of all four transformations. It's
+            // buffered to avoid too much matrix multiplying and created on demand
+            basegfx::B3DHomMatrix                       maObjectToView;
+
+            // the point in time
+            double                                      mfViewTime;
+
+            // the extra PropertyValues; does not contain the transformations
+            uno::Sequence< beans::PropertyValue >       mxExtendedInformation;
+
+            // the local UNO API strings
+            static OUString getNamePropertyObjectTransformation()
+            {
+                return "ObjectTransformation";
+            }
+
+            static OUString getNamePropertyOrientation()
+            {
+                return "Orientation";
+            }
+
+            static OUString getNamePropertyProjection()
+            {
+                return "Projection";
+            }
+
+            static OUString getNamePropertyProjection_30()
+            {
+                return "Projection30";
+            }
+
+            static OUString getNamePropertyProjection_31()
+            {
+                return "Projection31";
+            }
+
+            static OUString getNamePropertyProjection_32()
+            {
+                return "Projection32";
+            }
+
+            static OUString getNamePropertyProjection_33()
+            {
+                return "Projection33";
+            }
+
+            static OUString getNamePropertyDeviceToView()
+            {
+                return "DeviceToView";
+            }
+
+            static OUString getNamePropertyTime()
+            {
+                return "Time";
+            }
+
+            // a central PropertyValue parsing method to allow transportation of
+            // all ViewParameters using UNO API
+            void impInterpretPropertyValues(const uno::Sequence< beans::PropertyValue >& rViewParameters)
+            {
+                if(!rViewParameters.hasElements())
+                    return;
+
+                const sal_Int32 nCount(rViewParameters.getLength());
+                sal_Int32 nExtendedInsert(0);
+
+                // prepare extended information for filtering. Maximum size is nCount
+                mxExtendedInformation.realloc(nCount);
+                auto pExtendedInformation = mxExtendedInformation.getArray();
+
+                for(sal_Int32 a(0); a < nCount; a++)
+                {
+                    const beans::PropertyValue& rProp = rViewParameters[a];
+
+                    if(rProp.Name == getNamePropertyObjectTransformation())
+                    {
+                        css::geometry::AffineMatrix3D aAffineMatrix3D;
+                        rProp.Value >>= aAffineMatrix3D;
+                        maObjectTransformation = basegfx::unotools::homMatrixFromAffineMatrix3D(aAffineMatrix3D);
+                    }
+                    else if(rProp.Name == getNamePropertyOrientation())
+                    {
+                        css::geometry::AffineMatrix3D aAffineMatrix3D;
+                        rProp.Value >>= aAffineMatrix3D;
+                        maOrientation = basegfx::unotools::homMatrixFromAffineMatrix3D(aAffineMatrix3D);
+                    }
+                    else if(rProp.Name == getNamePropertyProjection())
+                    {
+                        // projection may be defined using a frustum in which case the last line of
+                        // the 4x4 matrix is not (0,0,0,1). Since AffineMatrix3D does not support that,
+                        // these four values need to be treated extra
+                        const double f_30(maProjection.get(3, 0));
+                        const double f_31(maProjection.get(3, 1));
+                        const double f_32(maProjection.get(3, 2));
+                        const double f_33(maProjection.get(3, 3));
+
+                        css::geometry::AffineMatrix3D aAffineMatrix3D;
+                        rProp.Value >>= aAffineMatrix3D;
+                        maProjection = basegfx::unotools::homMatrixFromAffineMatrix3D(aAffineMatrix3D);
+
+                        maProjection.set(3, 0, f_30);
+                        maProjection.set(3, 1, f_31);
+                        maProjection.set(3, 2, f_32);
+                        maProjection.set(3, 3, f_33);
+                    }
+                    else if(rProp.Name == getNamePropertyProjection_30())
+                    {
+                        double f_30(0.0);
+                        rProp.Value >>= f_30;
+                        maProjection.set(3, 0, f_30);
+                    }
+                    else if(rProp.Name == getNamePropertyProjection_31())
+                    {
+                        double f_31(0.0);
+                        rProp.Value >>= f_31;
+                        maProjection.set(3, 1, f_31);
+                    }
+                    else if(rProp.Name == getNamePropertyProjection_32())
+                    {
+                        double f_32(0.0);
+                        rProp.Value >>= f_32;
+                        maProjection.set(3, 2, f_32);
+                    }
+                    else if(rProp.Name == getNamePropertyProjection_33())
+                    {
+                        double f_33(1.0);
+                        rProp.Value >>= f_33;
+                        maProjection.set(3, 3, f_33);
+                    }
+                    else if(rProp.Name == getNamePropertyDeviceToView())
+                    {
+                        css::geometry::AffineMatrix3D aAffineMatrix3D;
+                        rProp.Value >>= aAffineMatrix3D;
+                        maDeviceToView = basegfx::unotools::homMatrixFromAffineMatrix3D(aAffineMatrix3D);
+                    }
+                    else if(rProp.Name == getNamePropertyTime())
+                    {
+                        rProp.Value >>= mfViewTime;
+                    }
+                    else
+                    {
+                        // extra information; add to filtered information
+                        pExtendedInformation[nExtendedInsert++] = rProp;
+                    }
+                }
+
+                // extra information size is now known; realloc to final size
+                mxExtendedInformation.realloc(nExtendedInsert);
+            }
+
+        public:
+            ImpViewInformation3D(
+                basegfx::B3DHomMatrix aObjectTransformation,
+                basegfx::B3DHomMatrix aOrientation,
+                basegfx::B3DHomMatrix aProjection,
+                basegfx::B3DHomMatrix aDeviceToView,
+                double fViewTime,
+                const uno::Sequence< beans::PropertyValue >& rExtendedParameters)
+            :   maObjectTransformation(std::move(aObjectTransformation)),
+                maOrientation(std::move(aOrientation)),
+                maProjection(std::move(aProjection)),
+                maDeviceToView(std::move(aDeviceToView)),
+                mfViewTime(fViewTime)
+            {
+                impInterpretPropertyValues(rExtendedParameters);
+            }
+
+            explicit ImpViewInformation3D(const uno::Sequence< beans::PropertyValue >& rViewParameters)
+            :   mfViewTime()
+            {
+                impInterpretPropertyValues(rViewParameters);
+            }
+
+            ImpViewInformation3D()
+            :   mfViewTime()
+            {
+            }
+
+            const basegfx::B3DHomMatrix& getObjectTransformation() const { return maObjectTransformation; }
+            const basegfx::B3DHomMatrix& getOrientation() const { return maOrientation; }
+            const basegfx::B3DHomMatrix& getProjection() const { return maProjection; }
+            const basegfx::B3DHomMatrix& getDeviceToView() const { return maDeviceToView; }
+            double getViewTime() const { return mfViewTime; }
+
+            const basegfx::B3DHomMatrix& getObjectToView() const
+            {
+                // on demand WorldToView creation
+
+                if(maObjectToView.isIdentity())
+                {
+                    const_cast< ImpViewInformation3D* >(this)->maObjectToView = maDeviceToView * maProjection * maOrientation * maObjectTransformation;
+                }
+
+                return maObjectToView;
+            }
+
+            const uno::Sequence< beans::PropertyValue >& getExtendedInformationSequence() const
+            {
+                return mxExtendedInformation;
+            }
+
+            bool operator==(const ImpViewInformation3D& rCandidate) const
+            {
+                return (maObjectTransformation == rCandidate.maObjectTransformation
+                    && maOrientation == rCandidate.maOrientation
+                    && maProjection == rCandidate.maProjection
+                    && maDeviceToView == rCandidate.maDeviceToView
+                    && mfViewTime == rCandidate.mfViewTime
+                    && mxExtendedInformation == rCandidate.mxExtendedInformation);
+            }
+        };
+} // end of namespace drawinglayer::geometry
+
+
+namespace drawinglayer::geometry
+{
+        namespace
+        {
+            ViewInformation3D::ImplType& theGlobalDefault()
+            {
+                static ViewInformation3D::ImplType SINGLETON;
+                return SINGLETON;
+            }
+        }
+
+        ViewInformation3D::ViewInformation3D(
+            const basegfx::B3DHomMatrix& rObjectObjectTransformation,
+            const basegfx::B3DHomMatrix& rOrientation,
+            const basegfx::B3DHomMatrix& rProjection,
+            const basegfx::B3DHomMatrix& rDeviceToView,
+            double fViewTime,
+            const uno::Sequence< beans::PropertyValue >& rExtendedParameters)
+        :   mpViewInformation3D(ImpViewInformation3D(
+                rObjectObjectTransformation, rOrientation, rProjection,
+                rDeviceToView, fViewTime, rExtendedParameters))
+        {
+        }
+
+        ViewInformation3D::ViewInformation3D(const uno::Sequence< beans::PropertyValue >& rViewParameters)
+        :   mpViewInformation3D(ImpViewInformation3D(rViewParameters))
+        {
+        }
+
+        ViewInformation3D::ViewInformation3D()
+        :   mpViewInformation3D(theGlobalDefault())
+        {
+        }
+
+        ViewInformation3D::ViewInformation3D(const ViewInformation3D&) = default;
+
+        ViewInformation3D::ViewInformation3D(ViewInformation3D&&) = default;
+
+        ViewInformation3D::~ViewInformation3D() = default;
+
+        bool ViewInformation3D::isDefault() const
+        {
+            return mpViewInformation3D.same_object(theGlobalDefault());
+        }
+
+        ViewInformation3D& ViewInformation3D::operator=(const ViewInformation3D&) = default;
+
+        ViewInformation3D& ViewInformation3D::operator=(ViewInformation3D&&) = default;
+
+        bool ViewInformation3D::operator==(const ViewInformation3D& rCandidate) const
+        {
+            return rCandidate.mpViewInformation3D == mpViewInformation3D;
+        }
+
+        const basegfx::B3DHomMatrix& ViewInformation3D::getObjectTransformation() const
+        {
+            return mpViewInformation3D->getObjectTransformation();
+        }
+
+        const basegfx::B3DHomMatrix& ViewInformation3D::getOrientation() const
+        {
+            return mpViewInformation3D->getOrientation();
+        }
+
+        const basegfx::B3DHomMatrix& ViewInformation3D::getProjection() const
+        {
+            return mpViewInformation3D->getProjection();
+        }
+
+        const basegfx::B3DHomMatrix& ViewInformation3D::getDeviceToView() const
+        {
+            return mpViewInformation3D->getDeviceToView();
+        }
+
+        const basegfx::B3DHomMatrix& ViewInformation3D::getObjectToView() const
+        {
+            return mpViewInformation3D->getObjectToView();
+        }
+
+        double ViewInformation3D::getViewTime() const
+        {
+            return mpViewInformation3D->getViewTime();
+        }
+
+        const uno::Sequence< beans::PropertyValue >& ViewInformation3D::getExtendedInformationSequence() const
+        {
+            return mpViewInformation3D->getExtendedInformationSequence();
+        }
+
+} // end of namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */