1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifndef _CAIROCANVAS_CANVASCUSTOMSPRITE_HXX 25 #define _CAIROCANVAS_CANVASCUSTOMSPRITE_HXX 26 27 #include <cppuhelper/compbase4.hxx> 28 #include <comphelper/uno3.hxx> 29 30 #include <com/sun/star/lang/XServiceInfo.hpp> 31 #include <com/sun/star/lang/XComponent.hpp> 32 #include <com/sun/star/rendering/XCustomSprite.hpp> 33 #include <com/sun/star/rendering/XIntegerBitmap.hpp> 34 #include <com/sun/star/rendering/XPolyPolygon2D.hpp> 35 36 #include <basegfx/point/b2dpoint.hxx> 37 #include <basegfx/vector/b2isize.hxx> 38 #include <basegfx/matrix/b2dhommatrix.hxx> 39 40 #include <canvas/base/basemutexhelper.hxx> 41 #include <canvas/base/canvascustomspritebase.hxx> 42 43 #include "cairo_sprite.hxx" 44 #include "cairo_cairo.hxx" 45 #include "cairo_canvashelper.hxx" 46 #include "cairo_repainttarget.hxx" 47 #include "cairo_spritehelper.hxx" 48 #include "cairo_spritecanvas.hxx" 49 50 51 namespace cairocanvas 52 { 53 typedef ::cppu::WeakComponentImplHelper4< ::com::sun::star::rendering::XCustomSprite, 54 ::com::sun::star::rendering::XBitmapCanvas, 55 ::com::sun::star::rendering::XIntegerBitmap, 56 ::com::sun::star::lang::XServiceInfo > CanvasCustomSpriteBase_Base; 57 /** Mixin Sprite 58 59 Have to mixin the Sprite interface before deriving from 60 ::canvas::CanvasCustomSpriteBase, as this template should 61 already implement some of those interface methods. 62 63 The reason why this appears kinda convoluted is the fact that 64 we cannot specify non-IDL types as WeakComponentImplHelperN 65 template args, and furthermore, don't want to derive 66 ::canvas::CanvasCustomSpriteBase directly from 67 ::canvas::Sprite (because derivees of 68 ::canvas::CanvasCustomSpriteBase have to explicitly forward 69 the XInterface methods (e.g. via DECLARE_UNO3_AGG_DEFAULTS) 70 anyway). Basically, ::canvas::CanvasCustomSpriteBase should 71 remain a base class that provides implementation, not to 72 enforce any specific interface on its derivees. 73 */ 74 class CanvasCustomSpriteSpriteBase_Base : public ::canvas::BaseMutexHelper< CanvasCustomSpriteBase_Base >, 75 public Sprite, 76 public SurfaceProvider 77 { 78 }; 79 80 typedef ::canvas::CanvasCustomSpriteBase< CanvasCustomSpriteSpriteBase_Base, 81 SpriteHelper, 82 CanvasHelper, 83 ::osl::MutexGuard, 84 ::cppu::OWeakObject > CanvasCustomSpriteBaseT; 85 86 /* Definition of CanvasCustomSprite class */ 87 88 class CanvasCustomSprite : public CanvasCustomSpriteBaseT, 89 public RepaintTarget 90 { 91 public: 92 /** Create a custom sprite 93 94 @param rSpriteSize 95 Size of the sprite in pixel 96 97 @param rRefDevice 98 Associated output device 99 100 @param rSpriteCanvas 101 Target canvas 102 103 @param rDevice 104 Target DX device 105 */ 106 CanvasCustomSprite( const ::com::sun::star::geometry::RealSize2D& rSpriteSize, 107 const SpriteCanvasRef& rRefDevice ); 108 109 virtual void SAL_CALL disposing(); 110 111 // Forwarding the XComponent implementation to the 112 // cppu::ImplHelper templated base 113 // Classname Base doing refcount Base implementing the XComponent interface 114 // | | | 115 // V V V 116 DECLARE_UNO3_XCOMPONENT_AGG_DEFAULTS( CanvasCustomSprite, CanvasCustomSpriteBase_Base, ::cppu::WeakComponentImplHelperBase ); 117 118 // XServiceInfo 119 virtual ::rtl::OUString SAL_CALL getImplementationName() throw( ::com::sun::star::uno::RuntimeException ); 120 virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw( ::com::sun::star::uno::RuntimeException ); 121 virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames() throw( ::com::sun::star::uno::RuntimeException ); 122 123 // Sprite 124 virtual void redraw( const ::cairo::CairoSharedPtr& pCairo, 125 bool bBufferedUpdate ) const; 126 virtual void redraw( const ::cairo::CairoSharedPtr& pCairo, 127 const ::basegfx::B2DPoint& rOrigOutputPos, 128 bool bBufferedUpdate ) const; 129 130 // RepaintTarget 131 virtual bool repaint( const ::cairo::SurfaceSharedPtr& pSurface, 132 const ::com::sun::star::rendering::ViewState& viewState, 133 const ::com::sun::star::rendering::RenderState& renderState ); 134 135 // SurfaceProvider 136 virtual SurfaceSharedPtr getSurface(); 137 virtual SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize, Content aContent = CAIRO_CONTENT_COLOR_ALPHA ); 138 virtual SurfaceSharedPtr createSurface( ::Bitmap& rBitmap ); 139 virtual SurfaceSharedPtr changeSurface( bool bHasAlpha, bool bCopyContent ); 140 virtual OutputDevice* getOutputDevice(); 141 142 private: 143 /** MUST hold here, too, since CanvasHelper only contains a 144 raw pointer (without refcounting) 145 */ 146 SpriteCanvasRef mpSpriteCanvas; 147 ::cairo::SurfaceSharedPtr mpBufferSurface; 148 ::basegfx::B2ISize maSize; 149 }; 150 } 151 152 #endif /* _CAIROCANVAS_CANVASCUSTOMSPRITE_HXX */ 153