gecko-dev/gfx/2d/SourceSurfaceSkia.h

73 строки
1.9 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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/include/core/SkCanvas.h"
#include "skia/include/core/SkBitmap.h"
namespace mozilla {
namespace gfx {
class DrawTargetSkia;
class SourceSurfaceSkia : public DataSourceSurface
{
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DataSourceSurfaceSkia)
SourceSurfaceSkia();
~SourceSurfaceSkia();
virtual SurfaceType GetType() const { return SurfaceType::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);
bool InitFromCanvas(SkCanvas* aCanvas,
SurfaceFormat aFormat,
DrawTargetSkia* aOwner);
/**
* NOTE: While wrapping a Texture for SkiaGL, the texture *must* be created
* with the same GLcontext of DrawTargetSkia
*/
bool InitFromTexture(DrawTargetSkia* aOwner,
unsigned int aTexture,
const IntSize &aSize,
SurfaceFormat aFormat);
virtual unsigned char *GetData();
virtual int32_t Stride() { return mStride; }
private:
friend class DrawTargetSkia;
void DrawTargetWillChange();
void MaybeUnlock();
SkBitmap mBitmap;
SurfaceFormat mFormat;
IntSize mSize;
int32_t mStride;
RefPtr<DrawTargetSkia> mDrawTarget;
bool mLocked;
};
} // namespace gfx
} // namespace mozilla
#endif /* MOZILLA_GFX_SOURCESURFACESKIA_H_ */