slideshow/source/engine/shapes/viewbackgroundshape.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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   9  * This file incorporates work covered by the following license notice:
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  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_VIEWBACKGROUNDSHAPE_HXX
  21 #define INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_VIEWBACKGROUNDSHAPE_HXX
  22
  23 #include <com/sun/star/uno/Reference.hxx>
  24 #include <com/sun/star/rendering/XBitmap.hpp>
  25
  26 #include <basegfx/range/b2drectangle.hxx>
  27 #include <basegfx/matrix/b2dhommatrix.hxx>
  28 #include <cppcanvas/spritecanvas.hxx>
  29
  30 #include <boost/shared_ptr.hpp>
  31 #include <boost/utility.hpp>
  32
  33 #include "gdimtftools.hxx"
  34 #include "viewlayer.hxx"
  35
  36
  37 namespace slideshow
  38 {
  39     namespace internal
  40     {
  41         /** This class is the viewable representation of a draw
  42             document's background, associated to a specific View
  43
  44             The class is able to render the associated background on
  45             View implementations.
  46          */
  47         class ViewBackgroundShape : private boost::noncopyable
  48         {
  49         public:
  50             /** Create a ViewBackgroundShape for the given View
  51
  52                 @param rView
  53                 The associated View object.
  54
  55                 @param rShapeBounds
  56                 Bounds of the background shape, in document coordinate
  57                 system.
  58              */
  59             ViewBackgroundShape( const ViewLayerSharedPtr&      rViewLayer,
  60                                  const ::basegfx::B2DRectangle& rShapeBounds );
  61
  62             /** Query the associated view layer of this shape
  63              */
  64             ViewLayerSharedPtr getViewLayer() const;
  65
  66             bool render( const GDIMetaFileSharedPtr& rMtf ) const;
  67
  68         private:
  69             /** Prefetch bitmap for given canvas
  70              */
  71             bool prefetch( const ::cppcanvas::CanvasSharedPtr&  rDestinationCanvas,
  72                            const GDIMetaFileSharedPtr&          rMtf ) const;
  73
  74             /** The view layer this object is part of.
  75              */
  76             ViewLayerSharedPtr                                  mpViewLayer;
  77
  78             /// Generated content bitmap, already with correct output size
  79             mutable ::com::sun::star::uno::Reference<
  80                 ::com::sun::star::rendering::XBitmap >  mxBitmap;
  81
  82             /// The last metafile a render object was generated for
  83             mutable GDIMetaFileSharedPtr                        mpLastMtf;
  84
  85             /// The canvas, mpRenderer is associated with
  86             mutable ::basegfx::B2DHomMatrix                     maLastTransformation;
  87
  88             const ::basegfx::B2DRectangle                       maBounds;
  89         };
  90
  91         typedef ::boost::shared_ptr< ViewBackgroundShape > ViewBackgroundShapeSharedPtr;
  92
  93     }
  94 }
  95
  96 #endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_SHAPES_VIEWBACKGROUNDSHAPE_HXX
  97
  98 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */