canvas/source/cairo/cairo_canvasbitmap.hxx

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  30
  31 #ifndef _CAIROCANVAS_CANVASBITMAP_HXX
  32 #define _CAIROCANVAS_CANVASBITMAP_HXX
  33
  34 #include <cppuhelper/compbase4.hxx>
  35
  36 #include <com/sun/star/lang/XServiceInfo.hpp>
  37 #include <com/sun/star/rendering/XBitmapCanvas.hpp>
  38 #include <com/sun/star/rendering/XIntegerBitmap.hpp>
  39 #include <com/sun/star/beans/XFastPropertySet.hpp>
  40 #include <comphelper/uno3.hxx>
  41
  42 #include <basegfx/vector/b2isize.hxx>
  43
  44 #include <boost/shared_ptr.hpp>
  45
  46 #include <canvas/base/integerbitmapbase.hxx>
  47
  48 #include "cairo_cairo.hxx"
  49 #include "cairo_canvashelper.hxx"
  50 #include "cairo_repainttarget.hxx"
  51 #include "cairo_spritecanvas.hxx"
  52
  53
  54 /* Definition of CanvasBitmap class */
  55
  56 namespace cairocanvas
  57 {
  58     typedef ::cppu::WeakComponentImplHelper4< ::com::sun::star::rendering::XBitmapCanvas,
  59                                               ::com::sun::star::rendering::XIntegerBitmap,
  60                                               ::com::sun::star::lang::XServiceInfo,
  61                                               ::com::sun::star::beans::XFastPropertySet >       CanvasBitmapBase_Base;
  62     class CanvasBitmapSpriteSurface_Base :
  63         public ::canvas::BaseMutexHelper<CanvasBitmapBase_Base>,
  64         public SurfaceProvider
  65     {
  66     };
  67
  68     typedef ::canvas::IntegerBitmapBase<
  69           CanvasBitmapSpriteSurface_Base,
  70           CanvasHelper,
  71           ::osl::MutexGuard,
  72           ::cppu::OWeakObject >                                                 CanvasBitmap_Base;
  73
  74     class CanvasBitmap : public CanvasBitmap_Base,
  75                          public RepaintTarget
  76     {
  77     public:
  78         /** Create a canvas bitmap for the given surface
  79
  80             @param rSize
  81             Size of the bitmap
  82
  83             @param rDevice
  84             Reference device, with which bitmap should be compatible
  85         */
  86         CanvasBitmap( const ::basegfx::B2ISize& rSize,
  87                       const SurfaceProviderRef& rDevice,
  88                       ::com::sun::star::rendering::XGraphicDevice* pDevice,
  89                       bool                      bHasAlpha );
  90
  91         /// Dispose all internal references
  92         virtual void SAL_CALL disposing();
  93
  94         // Forwarding the XComponent implementation to the
  95         // cppu::ImplHelper templated base
  96         //                                    Classname     Base doing refcounting        Base implementing the XComponent interface
  97         //                                       |                 |                            |
  98         //                                       V                 V                            V
  99         DECLARE_UNO3_XCOMPONENT_AGG_DEFAULTS( CanvasBitmap, CanvasBitmapBase_Base, ::cppu::WeakComponentImplHelperBase );
 100
 101         // XServiceInfo
 102         virtual ::rtl::OUString SAL_CALL getImplementationName(  ) throw (::com::sun::star::uno::RuntimeException);
 103         virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw (::com::sun::star::uno::RuntimeException);
 104         virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames(  ) throw (::com::sun::star::uno::RuntimeException);
 105
 106         // SurfaceProvider
 107         virtual SurfaceSharedPtr getSurface();
 108         virtual SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize, Content aContent = CAIRO_CONTENT_COLOR_ALPHA );
 109         virtual SurfaceSharedPtr createSurface( ::Bitmap& rBitmap );
 110         virtual SurfaceSharedPtr changeSurface( bool bHasAlpha, bool bCopyContent );
 111         virtual OutputDevice* getOutputDevice();
 112
 113         // RepaintTarget
 114         virtual bool repaint( const SurfaceSharedPtr&                         pSurface,
 115                               const ::com::sun::star::rendering::ViewState&       viewState,
 116                               const ::com::sun::star::rendering::RenderState& renderState );
 117
 118         // XFastPropertySet
 119         // used to retrieve BitmapEx pointer or X Pixmap handles for this bitmap
 120         // handle values have these meanings:
 121         // 0 ... get pointer to BitmapEx
 122         // 1 ... get X pixmap handle to rgb content
 123         // 2 ... get X pitmap handle to alpha mask
 124         // returned any contains either BitmapEx pointer or array of three Any value
 125         //     1st a bool value: true - free the pixmap after used by XFreePixmap, false do nothing, the pixmap is used internally in the canvas
 126         //     2nd the pixmap handle
 127         //     3rd the pixmap depth
 128         virtual ::com::sun::star::uno::Any SAL_CALL getFastPropertyValue(sal_Int32 nHandle)  throw (::com::sun::star::uno::RuntimeException);
 129         virtual void SAL_CALL setFastPropertyValue(sal_Int32, const ::com::sun::star::uno::Any&)  throw (::com::sun::star::uno::RuntimeException) {}
 130
 131     private:
 132         SurfaceProviderRef        mpSurfaceProvider;
 133         ::cairo::SurfaceSharedPtr mpBufferSurface;
 134         ::cairo::CairoSharedPtr   mpBufferCairo;
 135
 136         const ::basegfx::B2ISize  maSize;
 137         const bool                mbHasAlpha;
 138     };
 139 }
 140
 141 #endif /* _CAIROCANVAS_CANVASBITMAP_HXX */