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_SPRITECANVASHELPER_HXX_ 25 #define _CAIROCANVAS_SPRITECANVASHELPER_HXX_ 26 27 #include <com/sun/star/rendering/XSpriteCanvas.hpp> 28 #include <com/sun/star/rendering/XIntegerBitmap.hpp> 29 30 #include <canvas/spriteredrawmanager.hxx> 31 32 #include "cairo_cairo.hxx" 33 #include "cairo_canvashelper.hxx" 34 35 namespace basegfx 36 { 37 class B2IRange; 38 } 39 40 namespace cairocanvas 41 { 42 class SpriteCanvas; 43 44 class SpriteCanvasHelper : public CanvasHelper 45 { 46 public: 47 SpriteCanvasHelper(); 48 49 void init( ::canvas::SpriteRedrawManager& rManager, 50 SpriteCanvas& rOwningSpriteCanvas, 51 const ::basegfx::B2ISize& rSize ); 52 53 /// Dispose all internal references 54 void disposing(); 55 56 // XSpriteCanvas 57 ::com::sun::star::uno::Reference< 58 ::com::sun::star::rendering::XAnimatedSprite > createSpriteFromAnimation( 59 const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XAnimation >& animation ); 60 61 ::com::sun::star::uno::Reference< 62 ::com::sun::star::rendering::XAnimatedSprite > createSpriteFromBitmaps( 63 const ::com::sun::star::uno::Sequence< 64 ::com::sun::star::uno::Reference< 65 ::com::sun::star::rendering::XBitmap > >& animationBitmaps, 66 sal_Int8 interpolationMode ); 67 68 ::com::sun::star::uno::Reference< 69 ::com::sun::star::rendering::XCustomSprite > createCustomSprite( 70 const ::com::sun::star::geometry::RealSize2D& spriteSize ); 71 72 ::com::sun::star::uno::Reference< 73 ::com::sun::star::rendering::XSprite > createClonedSprite( 74 const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XSprite >& original ); 75 76 /** Actually perform the screen update 77 78 @param rCurrArea 79 Current window area in absolute screen coordinates 80 81 @param bUpdateAll 82 sal_True, if everything must be updated, not only changed 83 sprites 84 85 @param io_bSurfaceDirty 86 In/out parameter, whether backbuffer surface is dirty (if 87 yes, we're performing a full update, anyway) 88 */ 89 sal_Bool updateScreen( const ::basegfx::B2IRange& rCurrArea, 90 sal_Bool bUpdateAll, 91 bool& io_bSurfaceDirty ); 92 93 94 // SpriteRedrawManager functor calls 95 // ------------------------------------------------- 96 97 /** Gets called for simple background repaints 98 */ 99 void backgroundPaint( const ::basegfx::B2DRange& rUpdateRect ); 100 101 /** Gets called when area can be handled by scrolling. 102 103 Called method must copy screen content from rMoveStart to 104 rMoveEnd, and restore the background in the uncovered 105 areas. 106 107 @param rMoveStart 108 Source rect of the scroll 109 110 @param rMoveEnd 111 Dest rect of the scroll 112 113 @param rUpdateArea 114 All info necessary, should rMoveStart be partially or 115 fully outside the outdev 116 */ 117 void scrollUpdate( const ::basegfx::B2DRange& rMoveStart, 118 const ::basegfx::B2DRange& rMoveEnd, 119 const ::canvas::SpriteRedrawManager::UpdateArea& rUpdateArea ); 120 121 void opaqueUpdate( const ::basegfx::B2DRange& rTotalArea, 122 const ::std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites ); 123 124 void genericUpdate( const ::basegfx::B2DRange& rTotalArea, 125 const ::std::vector< ::canvas::Sprite::Reference >& rSortedUpdateSprites ); 126 127 private: 128 ::cairo::SurfaceSharedPtr getCompositingSurface( const ::basegfx::B2ISize& rNeededSize ); 129 130 /// Set from the SpriteCanvas: instance coordinating sprite redraw 131 ::canvas::SpriteRedrawManager* mpRedrawManager; 132 133 /// Set from the init method. used to generate sprites 134 SpriteCanvas* mpOwningSpriteCanvas; 135 136 /// a temporary surface used to composite the frontbuffer image 137 ::cairo::SurfaceSharedPtr mpCompositingSurface; 138 ::basegfx::B2ISize maCompositingSurfaceSize; 139 }; 140 } 141 142 #endif /* _CAIROCANVAS_SPRITECANVASHELPER_HXX_ */ 143 144