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If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 #ifndef _CAIROCANVAS_CANVASCUSTOMSPRITE_HXX 29 #define _CAIROCANVAS_CANVASCUSTOMSPRITE_HXX 30 31 #include <cppuhelper/compbase4.hxx> 32 #include <comphelper/uno3.hxx> 33 34 #include <com/sun/star/lang/XServiceInfo.hpp> 35 #include <com/sun/star/lang/XComponent.hpp> 36 #include <com/sun/star/rendering/XCustomSprite.hpp> 37 #include <com/sun/star/rendering/XIntegerBitmap.hpp> 38 #include <com/sun/star/rendering/XPolyPolygon2D.hpp> 39 40 #include <basegfx/point/b2dpoint.hxx> 41 #include <basegfx/vector/b2isize.hxx> 42 #include <basegfx/matrix/b2dhommatrix.hxx> 43 44 #include <canvas/base/basemutexhelper.hxx> 45 #include <canvas/base/canvascustomspritebase.hxx> 46 47 #include "cairo_sprite.hxx" 48 #include "cairo_cairo.hxx" 49 #include "cairo_canvashelper.hxx" 50 #include "cairo_repainttarget.hxx" 51 #include "cairo_spritehelper.hxx" 52 #include "cairo_spritecanvas.hxx" 53 54 55 namespace cairocanvas 56 { 57 typedef ::cppu::WeakComponentImplHelper4< ::com::sun::star::rendering::XCustomSprite, 58 ::com::sun::star::rendering::XBitmapCanvas, 59 ::com::sun::star::rendering::XIntegerBitmap, 60 ::com::sun::star::lang::XServiceInfo > CanvasCustomSpriteBase_Base; 61 /** Mixin Sprite 62 63 Have to mixin the Sprite interface before deriving from 64 ::canvas::CanvasCustomSpriteBase, as this template should 65 already implement some of those interface methods. 66 67 The reason why this appears kinda convoluted is the fact that 68 we cannot specify non-IDL types as WeakComponentImplHelperN 69 template args, and furthermore, don't want to derive 70 ::canvas::CanvasCustomSpriteBase directly from 71 ::canvas::Sprite (because derivees of 72 ::canvas::CanvasCustomSpriteBase have to explicitely forward 73 the XInterface methods (e.g. via DECLARE_UNO3_AGG_DEFAULTS) 74 anyway). Basically, ::canvas::CanvasCustomSpriteBase should 75 remain a base class that provides implementation, not to 76 enforce any specific interface on its derivees. 77 */ 78 class CanvasCustomSpriteSpriteBase_Base : public ::canvas::BaseMutexHelper< CanvasCustomSpriteBase_Base >, 79 public Sprite, 80 public SurfaceProvider 81 { 82 }; 83 84 typedef ::canvas::CanvasCustomSpriteBase< CanvasCustomSpriteSpriteBase_Base, 85 SpriteHelper, 86 CanvasHelper, 87 ::osl::MutexGuard, 88 ::cppu::OWeakObject > CanvasCustomSpriteBaseT; 89 90 /* Definition of CanvasCustomSprite class */ 91 92 class CanvasCustomSprite : public CanvasCustomSpriteBaseT, 93 public RepaintTarget 94 { 95 public: 96 /** Create a custom sprite 97 98 @param rSpriteSize 99 Size of the sprite in pixel 100 101 @param rRefDevice 102 Associated output device 103 104 @param rSpriteCanvas 105 Target canvas 106 107 @param rDevice 108 Target DX device 109 */ 110 CanvasCustomSprite( const ::com::sun::star::geometry::RealSize2D& rSpriteSize, 111 const SpriteCanvasRef& rRefDevice ); 112 113 virtual void SAL_CALL disposing(); 114 115 // Forwarding the XComponent implementation to the 116 // cppu::ImplHelper templated base 117 // Classname Base doing refcount Base implementing the XComponent interface 118 // | | | 119 // V V V 120 DECLARE_UNO3_XCOMPONENT_AGG_DEFAULTS( CanvasCustomSprite, CanvasCustomSpriteBase_Base, ::cppu::WeakComponentImplHelperBase ); 121 122 // XServiceInfo 123 virtual ::rtl::OUString SAL_CALL getImplementationName() throw( ::com::sun::star::uno::RuntimeException ); 124 virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw( ::com::sun::star::uno::RuntimeException ); 125 virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames() throw( ::com::sun::star::uno::RuntimeException ); 126 127 // Sprite 128 virtual void redraw( const ::cairo::CairoSharedPtr& pCairo, 129 bool bBufferedUpdate ) const; 130 virtual void redraw( const ::cairo::CairoSharedPtr& pCairo, 131 const ::basegfx::B2DPoint& rOrigOutputPos, 132 bool bBufferedUpdate ) const; 133 134 // RepaintTarget 135 virtual bool repaint( const ::cairo::SurfaceSharedPtr& pSurface, 136 const ::com::sun::star::rendering::ViewState& viewState, 137 const ::com::sun::star::rendering::RenderState& renderState ); 138 139 // SurfaceProvider 140 virtual SurfaceSharedPtr getSurface(); 141 virtual SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize, Content aContent = CAIRO_CONTENT_COLOR_ALPHA ); 142 virtual SurfaceSharedPtr createSurface( ::Bitmap& rBitmap ); 143 virtual SurfaceSharedPtr changeSurface( bool bHasAlpha, bool bCopyContent ); 144 virtual OutputDevice* getOutputDevice(); 145 146 private: 147 /** MUST hold here, too, since CanvasHelper only contains a 148 raw pointer (without refcounting) 149 */ 150 SpriteCanvasRef mpSpriteCanvas; 151 ::cairo::SurfaceSharedPtr mpBufferSurface; 152 ::basegfx::B2ISize maSize; 153 }; 154 } 155 156 #endif /* _CAIROCANVAS_CANVASCUSTOMSPRITE_HXX */ 157