1/* 2 Copyright (C) 2013 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 TextureMapperTiledBackingStore_h 21#define TextureMapperTiledBackingStore_h 22 23#if USE(TEXTURE_MAPPER) 24 25#include "FloatRect.h" 26#include "Image.h" 27#include "TextureMapperBackingStore.h" 28#include "TextureMapperTile.h" 29#include <wtf/RefPtr.h> 30 31namespace WebCore { 32 33class TextureMapper; 34 35class TextureMapperTiledBackingStore : public TextureMapperBackingStore { 36public: 37 static PassRefPtr<TextureMapperTiledBackingStore> create() { return adoptRef(new TextureMapperTiledBackingStore); } 38 virtual ~TextureMapperTiledBackingStore() { } 39 40 virtual PassRefPtr<BitmapTexture> texture() const override; 41 virtual void paintToTextureMapper(TextureMapper*, const FloatRect&, const TransformationMatrix&, float) override; 42 virtual void drawBorder(TextureMapper*, const Color&, float borderWidth, const FloatRect&, const TransformationMatrix&) override; 43 virtual void drawRepaintCounter(TextureMapper*, int repaintCount, const Color&, const FloatRect&, const TransformationMatrix&) override; 44 void updateContents(TextureMapper*, Image*, const FloatSize&, const IntRect&, BitmapTexture::UpdateContentsFlag); 45 void updateContents(TextureMapper*, GraphicsLayer*, const FloatSize&, const IntRect&, BitmapTexture::UpdateContentsFlag); 46 47 void setContentsToImage(Image* image) { m_image = image; } 48 49private: 50 TextureMapperTiledBackingStore(); 51 void createOrDestroyTilesIfNeeded(const FloatSize& backingStoreSize, const IntSize& tileSize, bool hasAlpha); 52 void updateContentsFromImageIfNeeded(TextureMapper*); 53 TransformationMatrix adjustedTransformForRect(const FloatRect&); 54 inline FloatRect rect() const { return FloatRect(FloatPoint::zero(), m_size); } 55 56 Vector<TextureMapperTile> m_tiles; 57 FloatSize m_size; 58 RefPtr<Image> m_image; 59}; 60 61} // namespace WebCore 62#endif 63 64#endif 65