include/cppcanvas/bitmap.hxx

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  19
  20 #ifndef INCLUDED_CPPCANVAS_BITMAP_HXX
  21 #define INCLUDED_CPPCANVAS_BITMAP_HXX
  22
  23 #include <com/sun/star/uno/Reference.hxx>
  24
  25 #include <boost/shared_ptr.hpp>
  26 #include <cppcanvas/canvasgraphic.hxx>
  27 #include <cppcanvas/bitmapcanvas.hxx>
  28
  29 namespace com { namespace sun { namespace star { namespace rendering
  30 {
  31     class  XBitmap;
  32 } } } }
  33
  34
  35 /* Definition of Bitmap interface */
  36
  37 namespace cppcanvas
  38 {
  39
  40     /** This interface defines a Bitmap canvas object
  41
  42         Consider this object part of the view, and not of the model
  43         data, as this bitmap can only be painted on its parent canvas
  44      */
  45     class Bitmap : public virtual CanvasGraphic
  46     {
  47     public:
  48         /** Render to parent canvas, with global alpha.
  49
  50             This method renders the content to the parent canvas,
  51             i.e. the canvas this object was constructed for.
  52
  53             @param nAlphaModulation
  54             Global alpha value, with which each pixel alpha value gets
  55             multiplied. For a normal, opaque bitmap, this will make
  56             the bitmap appear transparent with the given alpha value
  57             (value must be in the range [0,1]).
  58
  59             @return whether the rendering finished successfully.
  60          */
  61         virtual bool                        drawAlphaModulated( double nAlphaModulation ) const = 0;
  62
  63         virtual BitmapCanvasSharedPtr       getBitmapCanvas() const = 0;
  64
  65         virtual ::com::sun::star::uno::Reference<
  66             ::com::sun::star::rendering::XBitmap >  getUNOBitmap() const = 0;
  67     };
  68
  69     typedef ::boost::shared_ptr< ::cppcanvas::Bitmap > BitmapSharedPtr;
  70 }
  71
  72 #endif // INCLUDED_CPPCANVAS_BITMAP_HXX
  73
  74 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */