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diff --git a/slideshow/source/inc/shapeimporter.hxx b/slideshow/source/inc/shapeimporter.hxx
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+/* -*- 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_INC_SHAPEIMPORTER_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_INC_SHAPEIMPORTER_HXX
+
+#include <com/sun/star/drawing/XDrawPage.hpp>
+#include <com/sun/star/drawing/XDrawPagesSupplier.hpp>
+#include <com/sun/star/drawing/XShapes.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/drawing/XLayer.hpp>
+
+#include <cppcanvas/canvasgraphic.hxx>
+
+#include "unoview.hxx"
+
+#include "shape.hxx"
+
+#include <stack>
+
+namespace slideshow {
+namespace internal {
+
+struct SlideShowContext;
+
+typedef std::vector< ::cppcanvas::PolyPolygonSharedPtr> PolyPolygonVector;
+typedef std::shared_ptr< UnoView >      UnoViewSharedPtr;
+typedef std::vector< UnoViewSharedPtr >   UnoViewVector;
+
+/** This class imports all shapes from a given XShapes object
+ */
+class ShapeImporter
+{
+public:
+    /** Create shape importer.
+
+        @param xPage
+        Page containing the shapes
+
+        @param xActualPage
+        Actual page that's imported - if xPage is a master
+        page, this argument must refer to the using, i.e the
+        page that embeds this specific masterpage. Otherwise,
+        this argument is probably equal to xPage.
+
+        @param nOrdNumStart
+        Each shape receives a z order number, in order of
+        import (which relies on the fact that the API returns
+        the shapes in draw order - which it does,
+        currently). Since we might mix several pages on screen
+        (e.g. master page and foreground page), this value can
+        be used as an offset to distinguish those pages.
+
+        @param bConvertingMasterPage
+        When true, then the master page is imported. Otherwise, this
+        object imports the draw page.
+    */
+    ShapeImporter( const css::uno::Reference< css::drawing::XDrawPage >& xPage,
+                   const css::uno::Reference< css::drawing::XDrawPage >& xActualPage,
+                   const css::uno::Reference< css::drawing::XDrawPagesSupplier>& xPagesSupplier,
+                   const SlideShowContext&                       rContext,
+                   sal_Int32                                     nOrdNumStart,
+                   bool                                          bConvertingMasterPage );
+
+    /** This method imports the presentation background shape
+     */
+    ShapeSharedPtr importBackgroundShape(); // throw (ShapeLoadFailedException)
+
+    /** This method imports presentation-visible shapes (and skips all others).
+
+        @return the generated Shape, or NULL for no more shapes.
+    */
+    ShapeSharedPtr importShape(); // throw (ConversionFailedException)
+
+    /** Test whether import is done.
+
+        @return true, if all shapes are imported via the
+        importShape() call.
+    */
+    bool isImportDone() const;
+    const PolyPolygonVector& getPolygons() const;
+
+    double getImportedShapesCount() const{ return mnAscendingPrio; }
+private:
+    bool isSkip( css::uno::Reference<css::beans::XPropertySet> const& xPropSet,
+                 OUString const& shapeType,
+                 css::uno::Reference<css::drawing::XLayer> const& xLayer);
+
+    ShapeSharedPtr createShape(
+        css::uno::Reference<css::drawing::XShape> const& xCurrShape,
+        css::uno::Reference<css::beans::XPropertySet> const& xPropSet,
+        OUString const& shapeType ) const;
+
+    void importPolygons(css::uno::Reference< css::beans::XPropertySet > const& xPropSet) ;
+
+    struct XShapesEntry
+    {
+        ShapeSharedPtr const mpGroupShape;
+        css::uno::Reference<css::drawing::XShapes> const mxShapes;
+        sal_Int32 const mnCount;
+        sal_Int32 mnPos;
+
+        explicit XShapesEntry( ShapeSharedPtr const& pGroupShape )
+            : mpGroupShape(pGroupShape),
+              mxShapes( pGroupShape->getXShape(),
+                        css::uno::UNO_QUERY_THROW ),
+              mnCount(mxShapes->getCount()), mnPos(0) {}
+        explicit XShapesEntry( css::uno::Reference<
+                      css::drawing::XShapes> const& xShapes )
+            : mpGroupShape(), mxShapes(xShapes),
+              mnCount(xShapes->getCount()), mnPos(0) {}
+    };
+
+    css::uno::Reference<css::drawing::XDrawPage> mxPage;
+    css::uno::Reference<css::drawing::XDrawPagesSupplier> mxPagesSupplier;
+    const SlideShowContext&                   mrContext;
+    PolyPolygonVector                         maPolygons;
+    ::std::stack<XShapesEntry>                maShapesStack;
+    double                                    mnAscendingPrio;
+    bool                                      mbConvertingMasterPage;
+};
+
+} // namespace internal
+} // namespace presentation
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */