gecko/gfx/2d/SourceSurfaceSkia.h

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2012-05-21 04:12:37 -07:00
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef MOZILLA_GFX_SOURCESURFACESKIA_H_
#define MOZILLA_GFX_SOURCESURFACESKIA_H_
#include "2D.h"
#include <vector>
#include "skia/SkCanvas.h"
#include "skia/SkBitmap.h"
namespace mozilla {
namespace gfx {
class DrawTargetSkia;
class SourceSurfaceSkia : public DataSourceSurface
{
public:
SourceSurfaceSkia();
~SourceSurfaceSkia();
virtual SurfaceType GetType() const { return SURFACE_SKIA; }
virtual IntSize GetSize() const;
virtual SurfaceFormat GetFormat() const;
SkBitmap& GetBitmap() { return mBitmap; }
bool InitFromData(unsigned char* aData,
const IntSize &aSize,
int32_t aStride,
SurfaceFormat aFormat);
/**
* If aOwner is NULL, we make a copy of the pixel data in the bitmap,
* otherwise we just reference this data until DrawTargetWillChange is called.
*/
bool InitWithBitmap(const SkBitmap& aBitmap,
SurfaceFormat aFormat,
DrawTargetSkia* aOwner);
virtual unsigned char *GetData();
virtual int32_t Stride() { return mStride; }
private:
friend class DrawTargetSkia;
void DrawTargetWillChange();
void DrawTargetDestroyed();
void MarkIndependent();
SkBitmap mBitmap;
SurfaceFormat mFormat;
IntSize mSize;
int32_t mStride;
DrawTargetSkia* mDrawTarget;
};
}
}
#endif /* MOZILLA_GFX_SOURCESURFACESKIA_H_ */