canvas/source/cairo/cairo_canvasbitmap.hxx

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  27
  28 #ifndef _CAIROCANVAS_CANVASBITMAP_HXX
  29 #define _CAIROCANVAS_CANVASBITMAP_HXX
  30
  31 #include <cppuhelper/compbase4.hxx>
  32
  33 #include <com/sun/star/lang/XServiceInfo.hpp>
  34 #include <com/sun/star/rendering/XBitmapCanvas.hpp>
  35 #include <com/sun/star/rendering/XIntegerBitmap.hpp>
  36 #include <com/sun/star/beans/XFastPropertySet.hpp>
  37 #include <comphelper/uno3.hxx>
  38
  39 #include <basegfx/vector/b2isize.hxx>
  40
  41 #include <boost/shared_ptr.hpp>
  42
  43 #include <canvas/base/integerbitmapbase.hxx>
  44
  45 #include "cairo_cairo.hxx"
  46 #include "cairo_canvashelper.hxx"
  47 #include "cairo_repainttarget.hxx"
  48 #include "cairo_spritecanvas.hxx"
  49
  50
  51 /* Definition of CanvasBitmap class */
  52
  53 namespace cairocanvas
  54 {
  55     typedef ::cppu::WeakComponentImplHelper4< ::com::sun::star::rendering::XBitmapCanvas,
  56                                               ::com::sun::star::rendering::XIntegerBitmap,
  57                                               ::com::sun::star::lang::XServiceInfo,
  58                                               ::com::sun::star::beans::XFastPropertySet >   CanvasBitmapBase_Base;
  59     class CanvasBitmapSpriteSurface_Base :
  60         public ::canvas::BaseMutexHelper<CanvasBitmapBase_Base>,
  61         public SurfaceProvider
  62     {
  63     };
  64
  65     typedef ::canvas::IntegerBitmapBase<
  66           CanvasBitmapSpriteSurface_Base,
  67           CanvasHelper,
  68           ::osl::MutexGuard,
  69           ::cppu::OWeakObject >                         CanvasBitmap_Base;
  70
  71     class CanvasBitmap : public CanvasBitmap_Base,
  72                          public RepaintTarget
  73     {
  74     public:
  75         /** Create a canvas bitmap for the given surface
  76
  77             @param rSize
  78             Size of the bitmap
  79
  80             @param rDevice
  81             Reference device, with which bitmap should be compatible
  82         */
  83         CanvasBitmap( const ::basegfx::B2ISize& rSize,
  84                       const SurfaceProviderRef& rDevice,
  85                       ::com::sun::star::rendering::XGraphicDevice* pDevice,
  86                       bool                      bHasAlpha );
  87
  88         /// Dispose all internal references
  89         virtual void SAL_CALL disposing();
  90
  91         // Forwarding the XComponent implementation to the
  92         // cppu::ImplHelper templated base
  93         //                                    Classname     Base doing refcounting        Base implementing the XComponent interface
  94         //                                       |                 |                            |
  95         //                                       V                 V                            V
  96         DECLARE_UNO3_XCOMPONENT_AGG_DEFAULTS( CanvasBitmap, CanvasBitmapBase_Base, ::cppu::WeakComponentImplHelperBase );
  97
  98         // XServiceInfo
  99         virtual ::rtl::OUString SAL_CALL getImplementationName(  ) throw (::com::sun::star::uno::RuntimeException);
 100         virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw (::com::sun::star::uno::RuntimeException);
 101         virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames(  ) throw (::com::sun::star::uno::RuntimeException);
 102
 103         // SurfaceProvider
 104         virtual SurfaceSharedPtr getSurface();
 105         virtual SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize, Content aContent = CAIRO_CONTENT_COLOR_ALPHA );
 106         virtual SurfaceSharedPtr createSurface( ::Bitmap& rBitmap );
 107         virtual SurfaceSharedPtr changeSurface( bool bHasAlpha, bool bCopyContent );
 108         virtual OutputDevice* getOutputDevice();
 109
 110         // RepaintTarget
 111         virtual bool repaint( const SurfaceSharedPtr&                         pSurface,
 112                               const ::com::sun::star::rendering::ViewState&   viewState,
 113                               const ::com::sun::star::rendering::RenderState& renderState );
 114
 115         // XFastPropertySet
 116         // used to retrieve BitmapEx pointer or X Pixmap handles for this bitmap
 117         // handle values have these meanings:
 118         // 0 ... get pointer to BitmapEx
 119         // 1 ... get X pixmap handle to rgb content
 120         // 2 ... get X pitmap handle to alpha mask
 121         // returned any contains either BitmapEx pointer or array of three Any value
 122         //     1st a bool value: true - free the pixmap after used by XFreePixmap, false do nothing, the pixmap is used internally in the canvas
 123         //     2nd the pixmap handle
 124         //     3rd the pixmap depth
 125         virtual ::com::sun::star::uno::Any SAL_CALL getFastPropertyValue(sal_Int32 nHandle)  throw (::com::sun::star::uno::RuntimeException);
 126         virtual void SAL_CALL setFastPropertyValue(sal_Int32, const ::com::sun::star::uno::Any&)  throw (::com::sun::star::uno::RuntimeException) {}
 127
 128     private:
 129         SurfaceProviderRef        mpSurfaceProvider;
 130         ::cairo::SurfaceSharedPtr mpBufferSurface;
 131         ::cairo::CairoSharedPtr   mpBufferCairo;
 132
 133         const ::basegfx::B2ISize  maSize;
 134         const bool                mbHasAlpha;
 135     };
 136 }
 137
 138 #endif /* _CAIROCANVAS_CANVASBITMAP_HXX */