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/*
Copyright (C) 2012 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 TextureMapperImageBuffer_h
#define TextureMapperImageBuffer_h
#include "ImageBuffer.h"
#include "TextureMapper.h"
#if USE(TEXTURE_MAPPER)
namespace WebCore {
class BitmapTextureImageBuffer : public BitmapTexture {
friend class TextureMapperImageBuffer;
public:
static PassRefPtr<BitmapTexture> create() { return adoptRef(new BitmapTextureImageBuffer); }
virtual IntSize size() const { return m_image->internalSize(); }
virtual void didReset();
virtual bool isValid() const { return m_image; }
inline GraphicsContext* graphicsContext() { return m_image ? m_image->context() : 0; }
virtual void updateContents(Image*, const IntRect&, const IntPoint&);
virtual void updateContents(const void*, const IntRect& target, const IntPoint& sourceOffset, int bytesPerLine);
#if ENABLE(CSS_FILTERS)
PassRefPtr<BitmapTexture> applyFilters(const BitmapTexture&, const FilterOperations&);
#endif
private:
BitmapTextureImageBuffer() { }
OwnPtr<ImageBuffer> m_image;
};
class TextureMapperImageBuffer : public TextureMapper {
WTF_MAKE_FAST_ALLOCATED;
public:
static PassOwnPtr<TextureMapper> create() { return adoptPtr(new TextureMapperImageBuffer); }
// TextureMapper implementation
virtual void drawBorder(const Color& color, float borderWidth, const FloatRect& targetRect, const TransformationMatrix& modelViewMatrix = TransformationMatrix()) OVERRIDE { };
virtual void drawRepaintCounter(int value, int pointSize, const FloatPoint&, const TransformationMatrix& modelViewMatrix = TransformationMatrix()) OVERRIDE { };
virtual void drawTexture(const BitmapTexture&, const FloatRect& targetRect, const TransformationMatrix&, float opacity, const BitmapTexture* maskTexture, unsigned exposedEdges) OVERRIDE;
virtual void beginClip(const TransformationMatrix&, const FloatRect&) OVERRIDE;
virtual void bindSurface(BitmapTexture* surface) OVERRIDE { m_currentSurface = surface;}
virtual void endClip() OVERRIDE { graphicsContext()->restore(); }
virtual PassRefPtr<BitmapTexture> createTexture() OVERRIDE { return BitmapTextureImageBuffer::create(); }
inline GraphicsContext* currentContext()
{
return m_currentSurface ? static_cast<BitmapTextureImageBuffer*>(m_currentSurface.get())->graphicsContext() : graphicsContext();
}
private:
TextureMapperImageBuffer()
: TextureMapper(SoftwareMode)
{ }
RefPtr<BitmapTexture> m_currentSurface;
};
}
#endif // USE(TEXTURE_MAPPER)
#endif // TextureMapperImageBuffer_h
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