1 /* 2 Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies) 3 4 This library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Library General Public 6 License as published by the Free Software Foundation; either 7 version 2 of the License, or (at your option) any later version. 8 9 This library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Library General Public License for more details. 13 14 You should have received a copy of the GNU Library General Public License 15 along with this library; see the file COPYING.LIB. If not, write to 16 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 Boston, MA 02110-1301, USA. 18 */ 19 20 #ifndef TextureMapperPlatformLayer_h 21 #define TextureMapperPlatformLayer_h 22 23 namespace WebCore { 24 25 class GraphicsContext; 26 class IntRect; 27 class IntSize; 28 class TextureMapper; 29 class TransformationMatrix; 30 31 32 // Glue layer to connect the texmap layer to the platform specific container. 33 class TextureMapperLayerClient { 34 public: ~TextureMapperLayerClient()35 virtual ~TextureMapperLayerClient() {} 36 virtual void setNeedsDisplay() = 0; 37 virtual void setNeedsDisplayInRect(const IntRect& rect) = 0; 38 virtual void setSizeChanged(const IntSize&) = 0; 39 virtual TextureMapper* textureMapper() = 0; 40 }; 41 42 class TextureMapperPlatformLayer { 43 public: 44 enum Type { 45 ContentLayer, 46 MediaLayer 47 }; 48 49 virtual Type layerType() const = 0; ~TextureMapperPlatformLayer()50 virtual ~TextureMapperPlatformLayer() {} 51 }; 52 53 class TextureMapperContentLayer : public TextureMapperPlatformLayer { 54 public: 55 struct PaintOptions { 56 IntRect visibleRect; 57 IntRect targetRect; 58 IntSize viewportSize; 59 TransformationMatrix transform; 60 float opacity; 61 }; 62 63 virtual void setPlatformLayerClient(TextureMapperLayerClient*) = 0; paint(TextureMapper *,const PaintOptions &)64 virtual void paint(TextureMapper*, const PaintOptions&) {} 65 virtual IntSize size() const = 0; layerType()66 virtual Type layerType() const { return ContentLayer; } 67 }; 68 69 class TextureMapperMediaLayer : public TextureMapperPlatformLayer { 70 public: 71 virtual void paint(GraphicsContext*) = 0; layerType()72 virtual Type layerType() const { return MediaLayer; } 73 }; 74 75 } 76 77 #endif // TextureMapperPlatformLayer_h 78