canvas/source/directx/dx_spritehelper.hxx

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  30
  31 #ifndef _DXCANVAS_SPRITEHELPER_HXX
  32 #define _DXCANVAS_SPRITEHELPER_HXX
  33
  34 #include <com/sun/star/rendering/XCustomSprite.hpp>
  35
  36 #include <canvas/base/canvascustomspritehelper.hxx>
  37
  38 #include <basegfx/point/b2dpoint.hxx>
  39 #include <basegfx/vector/b2isize.hxx>
  40 #include <basegfx/matrix/b2dhommatrix.hxx>
  41
  42 #include "dx_spritecanvas.hxx"
  43 #include "dx_surfacebitmap.hxx"
  44
  45 namespace dxcanvas
  46 {
  47     /* Definition of SpriteHelper class */
  48
  49     /** Helper class for canvas sprites.
  50
  51         This class implements all sprite-related functionality, like
  52         that available on the XSprite interface.
  53      */
  54     class SpriteHelper : public ::canvas::CanvasCustomSpriteHelper
  55     {
  56     public:
  57         /** Create sprite helper
  58          */
  59         SpriteHelper();
  60
  61         /** Late-init the sprite helper
  62
  63             @param rSpriteSize
  64             Size of the sprite
  65
  66             @param rSpriteCanvas
  67             Sprite canvas this sprite is part of. Object stores
  68             ref-counted reference to it, thus, don't forget to pass on
  69             disposing()!
  70
  71             @param rRenderModule
  72             rendermodule to use
  73
  74             @param rSpriteSurface
  75             The surface of the sprite (not the DX texture, but the
  76             persistent target of content rendering)
  77
  78             @param bShowSpriteBounds
  79             When true, little debug bound rects for sprites are shown
  80          */
  81         void init( const ::com::sun::star::geometry::RealSize2D&        rSpriteSize,
  82                    const SpriteCanvasRef&                                                       rSpriteCanvas,
  83                    const IDXRenderModuleSharedPtr&                                      rRenderModule,
  84                    const DXSurfaceBitmapSharedPtr                   rBitmap,
  85                    bool                                             bShowSpriteBounds );
  86
  87         void disposing();
  88
  89         /** Repaint sprite content via hardware to associated sprite
  90             canvas
  91
  92             @param io_bSurfaceDirty
  93             Input/output parameter, whether the sprite content is
  94             dirty or not. If texture was updated, set to false
  95
  96          */
  97         void redraw( bool& io_bSurfaceDirty ) const;
  98
  99     private:
 100         virtual ::basegfx::B2DPolyPolygon polyPolygonFromXPolyPolygon2D(
 101             ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XPolyPolygon2D >& xPoly ) const;
 102
 103         /// Returns true, if the sprite _really_ needs redraw
 104         bool needRedraw() const;
 105
 106         SpriteCanvasRef                         mpSpriteCanvas;
 107
 108         DXSurfaceBitmapSharedPtr    mpBitmap;
 109         mutable bool                mbTextureDirty;  // when true, texture needs update
 110         bool                        mbShowSpriteBounds; // when true, debug bound rect for sprites is shown
 111     };
 112 }
 113
 114 #endif /* _DXCANVAS_SPRITEHELPER_HXX */