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/*
Copyright (C) 2013 Nokia Corporation and/or its subsidiary(-ies)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef TextureMapperTiledBackingStore_h
#define TextureMapperTiledBackingStore_h
#if USE(ACCELERATED_COMPOSITING) && USE(TEXTURE_MAPPER)
#include "FloatRect.h"
#include "Image.h"
#include "TextureMapperBackingStore.h"
#include "TextureMapperTile.h"
#include <wtf/RefPtr.h>
namespace WebCore {
class TextureMapper;
class TextureMapperTiledBackingStore : public TextureMapperBackingStore {
public:
static PassRefPtr<TextureMapperTiledBackingStore> create() { return adoptRef(new TextureMapperTiledBackingStore); }
virtual ~TextureMapperTiledBackingStore() { }
virtual PassRefPtr<BitmapTexture> texture() const OVERRIDE;
virtual void paintToTextureMapper(TextureMapper*, const FloatRect&, const TransformationMatrix&, float) OVERRIDE;
virtual void drawBorder(TextureMapper*, const Color&, float borderWidth, const FloatRect&, const TransformationMatrix&) OVERRIDE;
virtual void drawRepaintCounter(TextureMapper*, int repaintCount, const Color&, const FloatRect&, const TransformationMatrix&) OVERRIDE;
void updateContents(TextureMapper*, Image*, const FloatSize&, const IntRect&, BitmapTexture::UpdateContentsFlag);
void updateContents(TextureMapper*, GraphicsLayer*, const FloatSize&, const IntRect&, BitmapTexture::UpdateContentsFlag);
void setContentsToImage(Image* image) { m_image = image; }
private:
TextureMapperTiledBackingStore();
void createOrDestroyTilesIfNeeded(const FloatSize& backingStoreSize, const IntSize& tileSize, bool hasAlpha, IntRect&);
void updateContentsFromImageIfNeeded(TextureMapper*);
TransformationMatrix adjustedTransformForRect(const FloatRect&);
inline FloatRect rect() const { return FloatRect(FloatPoint::zero(), m_size); }
Vector<TextureMapperTile> m_tiles;
FloatSize m_size;
RefPtr<Image> m_image;
};
} // namespace WebCore
#endif
#endif
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