gecko-dev/gfx/thebes/gfxReusableImageSurfaceWrap...

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/* 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 GFXMEMCOWSURFACEWRAPPER
#define GFXMEMCOWSURFACEWRAPPER
#include "gfxReusableSurfaceWrapper.h"
class gfxImageSurface;
/**
* A cross-thread capable implementation of gfxReusableSurfaceWrapper based
* on gfxImageSurface.
*/
class gfxReusableImageSurfaceWrapper : public gfxReusableSurfaceWrapper {
public:
explicit gfxReusableImageSurfaceWrapper(gfxImageSurface* aSurface);
protected:
~gfxReusableImageSurfaceWrapper();
public:
const unsigned char* GetReadOnlyData() const override;
gfxImageFormat Format() override;
gfxReusableSurfaceWrapper* GetWritable(gfxImageSurface** aSurface) override;
void ReadLock() override;
void ReadUnlock() override;
Type GetType() override
{
return TYPE_IMAGE;
}
private:
RefPtr<gfxImageSurface> mSurface;
};
#endif // GFXMEMCOWSURFACEWRAPPER