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/*
* Copyright 2010 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkGpuCanvas_DEFINED
#define SkGpuCanvas_DEFINED
#include "SkCanvas.h"
class GrContext;
class GrRenderTarget;
/**
* Subclass of canvas that creates devices compatible with the GrContext pass
* to the canvas' constructor.
*/
class SkGpuCanvas : public SkCanvas {
public:
/**
* The GrContext object is reference counted. When passed to our
* constructor, its reference count is incremented. In our destructor, the
* GrGpu's reference count will be decremented.
* GrRenderTarget represents the rendering destination in the underlying
* 3D API. Its reference count is incremented in the constructor and
* decremented in the destructor.
*/
explicit SkGpuCanvas(GrContext*, GrRenderTarget*);
virtual ~SkGpuCanvas();
/**
* Override from SkCanvas. Returns true, and if not-null, sets size to
* be the width/height of our viewport.
*/
virtual bool getViewport(SkIPoint* size) const;
#if 0
virtual int saveLayer(const SkRect* bounds, const SkPaint* paint,
SaveFlags flags = kARGB_ClipLayer_SaveFlag) {
return this->save(flags);
}
#endif
private:
GrContext* fContext;
typedef SkCanvas INHERITED;
};
#endif
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