canvas/source/directx/dx_surfacebitmap.hxx

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  19
  20 #ifndef INCLUDED_CANVAS_SOURCE_DIRECTX_DX_SURFACEBITMAP_HXX
  21 #define INCLUDED_CANVAS_SOURCE_DIRECTX_DX_SURFACEBITMAP_HXX
  22
  23 #include <canvas/rendering/isurfaceproxy.hxx>
  24 #include <canvas/rendering/isurfaceproxymanager.hxx>
  25 #include "dx_ibitmap.hxx"
  26 #include "dx_canvasfont.hxx"
  27 #include "dx_gdiplususer.hxx"
  28 #include "dx_rendermodule.hxx"
  29
  30 namespace dxcanvas
  31 {
  32     class DXSurfaceBitmap : public IBitmap
  33     {
  34     public:
  35         DXSurfaceBitmap( const ::basegfx::B2IVector&                    rSize,
  36                          const canvas::ISurfaceProxyManagerSharedPtr&   rMgr,
  37                          const IDXRenderModuleSharedPtr&                rRenderModule,
  38                          bool                                           bWithAlpha );
  39
  40         bool resize( const ::basegfx::B2IVector& rSize );
  41         void clear();
  42
  43         virtual GraphicsSharedPtr         getGraphics();
  44
  45         virtual BitmapSharedPtr           getBitmap() const;
  46         virtual ::basegfx::B2IVector      getSize() const;
  47         virtual bool                      hasAlpha() const;
  48
  49         COMReference<surface_type>              getSurface() const { return mpSurface; }
  50
  51         bool draw( double                           fAlpha,
  52                    const ::basegfx::B2DPoint&       rPos,
  53                    const ::basegfx::B2DHomMatrix&   rTransform );
  54
  55         bool draw( const ::basegfx::B2IRange&       rArea );
  56
  57         bool draw( double                           fAlpha,
  58                    const ::basegfx::B2DPoint&       rPos,
  59                    const ::basegfx::B2DRange&       rArea,
  60                    const ::basegfx::B2DHomMatrix&   rTransform );
  61
  62         bool draw( double                           fAlpha,
  63                    const ::basegfx::B2DPoint&       rPos,
  64                    const ::basegfx::B2DPolyPolygon& rClipPoly,
  65                    const ::basegfx::B2DHomMatrix&   rTransform );
  66
  67         virtual ::com::sun::star::uno::Sequence< sal_Int8 > getData(
  68             ::com::sun::star::rendering::IntegerBitmapLayout&       bitmapLayout,
  69             const ::com::sun::star::geometry::IntegerRectangle2D&   rect );
  70
  71         virtual void setData(
  72             const ::com::sun::star::uno::Sequence< sal_Int8 >&      data,
  73             const ::com::sun::star::rendering::IntegerBitmapLayout& bitmapLayout,
  74             const ::com::sun::star::geometry::IntegerRectangle2D&   rect );
  75
  76         virtual void setPixel(
  77             const ::com::sun::star::uno::Sequence< sal_Int8 >&      color,
  78             const ::com::sun::star::rendering::IntegerBitmapLayout& bitmapLayout,
  79             const ::com::sun::star::geometry::IntegerPoint2D&       pos );
  80
  81         virtual ::com::sun::star::uno::Sequence< sal_Int8 > getPixel(
  82             ::com::sun::star::rendering::IntegerBitmapLayout&       bitmapLayout,
  83             const ::com::sun::star::geometry::IntegerPoint2D&       pos );
  84
  85 #ifdef DX_DEBUG_IMAGES
  86         void imageDebugger();
  87 #endif
  88     private:
  89         void init();
  90
  91         // Refcounted global GDI+ state container
  92         GDIPlusUserSharedPtr mpGdiPlusUser;
  93
  94         // size of this image in pixels [integral unit]
  95         ::basegfx::B2IVector maSize;
  96
  97         // pointer to the rendermodule, needed to create surfaces
  98         // which are used as container for the actual pixel data.
  99         // generally we could use any kind of storage, but GDI+
 100         // is not willing to render antialiased fonts unless we
 101         // use this special kind of container, don't ask me why...
 102         IDXRenderModuleSharedPtr mpRenderModule;
 103
 104         // pointer to the surface manager, needed in case clients
 105         // want to resize the bitmap.
 106         canvas::ISurfaceProxyManagerSharedPtr mpSurfaceManager;
 107
 108         // access point to the surface proxy which handles
 109         // the hardware-dependent rendering stuff.
 110         canvas::ISurfaceProxySharedPtr mpSurfaceProxy;
 111
 112         // container for pixel data, we need to use a directx
 113         // surface since GDI+ sucks...
 114         COMReference<surface_type> mpSurface;
 115
 116         // since GDI+ does not work correctly in case we
 117         // run on a 16bit display [don't ask me why] we need
 118         // to occasionally render to a native GDI+ bitmap.
 119         BitmapSharedPtr mpGDIPlusBitmap;
 120         // Graphics for the mpGDIPlusBitmap
 121         GraphicsSharedPtr mpGraphics;
 122
 123         // internal implementation of the iColorBuffer interface
 124         canvas::IColorBufferSharedPtr mpColorBuffer;
 125
 126         // indicates whether the associated surface needs
 127         // to refresh its contents or not. in other words,
 128         // this flag is set iff both representations are
 129         // out of sync.
 130         mutable bool mbIsSurfaceDirty;
 131
 132         // true if the bitmap contains an alpha channel
 133         bool mbAlpha;
 134     };
 135
 136     typedef ::boost::shared_ptr< DXSurfaceBitmap > DXSurfaceBitmapSharedPtr;
 137 }
 138
 139 #endif
 140
 141 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */