canvas/source/directx/dx_bitmapcanvashelper.hxx

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  27
  28 #ifndef _DXCANVAS_BITMAPCANVASHELPER_HXX_
  29 #define _DXCANVAS_BITMAPCANVASHELPER_HXX_
  30
  31 #include <com/sun/star/rendering/XCanvas.hpp>
  32
  33 #include <basegfx/vector/b2isize.hxx>
  34 #include <basegfx/vector/b2dsize.hxx>
  35
  36 #include "dx_graphicsprovider.hxx"
  37 #include "dx_ibitmap.hxx"
  38 #include "dx_gdiplususer.hxx"
  39 #include "dx_impltools.hxx"
  40 #include "dx_canvashelper.hxx"
  41
  42 #include <boost/utility.hpp>
  43
  44
  45 namespace dxcanvas
  46 {
  47     /** Helper class for basic canvas functionality. Also offers
  48         optional backbuffer painting, when providing it with a second
  49         HDC to render into.
  50      */
  51     class BitmapCanvasHelper : public CanvasHelper
  52     {
  53     public:
  54         BitmapCanvasHelper();
  55
  56         /// Release all references
  57         void disposing();
  58
  59         /** Set the target for rendering operations
  60
  61             @param rTarget
  62             Render target
  63          */
  64         void setTarget( const IBitmapSharedPtr& rTarget );
  65
  66         /** Set the target for rendering operations
  67
  68             @param rTarget
  69             Render target
  70
  71             @param rOutputOffset
  72             Output offset in pixel
  73          */
  74         void setTarget( const IBitmapSharedPtr&   rTarget,
  75                         const ::basegfx::B2ISize& rOutputOffset );
  76
  77
  78         // CanvasHelper functionality is implementation-inherited. yuck.
  79         // =============================================================
  80         void clear();
  81
  82         ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
  83             drawTextLayout( const ::com::sun::star::rendering::XCanvas*     pCanvas,
  84                             const ::com::sun::star::uno::Reference<
  85                                 ::com::sun::star::rendering::XTextLayout >& layoutetText,
  86                             const ::com::sun::star::rendering::ViewState&   viewState,
  87                             const ::com::sun::star::rendering::RenderState& renderState );
  88
  89         // BitmapCanvasHelper functionality
  90         // ================================
  91
  92         void copyRect( const ::com::sun::star::rendering::XCanvas*          pCanvas,
  93                        const ::com::sun::star::uno::Reference<
  94                                ::com::sun::star::rendering::XBitmapCanvas >&    sourceCanvas,
  95                        const ::com::sun::star::geometry::RealRectangle2D&   sourceRect,
  96                        const ::com::sun::star::rendering::ViewState&        sourceViewState,
  97                        const ::com::sun::star::rendering::RenderState&      sourceRenderState,
  98                        const ::com::sun::star::geometry::RealRectangle2D&   destRect,
  99                        const ::com::sun::star::rendering::ViewState&        destViewState,
 100                        const ::com::sun::star::rendering::RenderState&      destRenderState );
 101
 102         ::com::sun::star::geometry::IntegerSize2D getSize();
 103
 104         ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmap >
 105             getScaledBitmap( const ::com::sun::star::geometry::RealSize2D&  newSize,
 106                              sal_Bool                                       beFast );
 107
 108         ::com::sun::star::uno::Sequence< sal_Int8 >
 109             getData( ::com::sun::star::rendering::IntegerBitmapLayout&      bitmapLayout,
 110                      const ::com::sun::star::geometry::IntegerRectangle2D&  rect );
 111
 112         void setData( const ::com::sun::star::uno::Sequence< sal_Int8 >&         data,
 113                       const ::com::sun::star::rendering::IntegerBitmapLayout&    bitmapLayout,
 114                       const ::com::sun::star::geometry::IntegerRectangle2D&      rect );
 115
 116         void setPixel( const ::com::sun::star::uno::Sequence< sal_Int8 >&        color,
 117                        const ::com::sun::star::rendering::IntegerBitmapLayout&   bitmapLayout,
 118                        const ::com::sun::star::geometry::IntegerPoint2D&         pos );
 119
 120         ::com::sun::star::uno::Sequence< sal_Int8 >
 121             getPixel( ::com::sun::star::rendering::IntegerBitmapLayout& bitmapLayout,
 122                       const ::com::sun::star::geometry::IntegerPoint2D& pos );
 123
 124         ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmapPalette > getPalette();
 125
 126         ::com::sun::star::rendering::IntegerBitmapLayout getMemoryLayout();
 127
 128         bool hasAlpha() const;
 129
 130     protected:
 131         /// Render target
 132         IBitmapSharedPtr mpTarget;
 133     };
 134 }
 135
 136 #endif /* _DXCANVAS_BITMAPCANVASHELPER_HXX_ */