/*
* Copyright (C) 2013 Google Inc. All rights reserved.
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* modification, are permitted provided that the following conditions are
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*
* * Redistributions of source code must retain the above copyright
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* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
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* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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*/
#ifndef GraphicsContextRecorder_h
#define GraphicsContextRecorder_h
#include "platform/PlatformExport.h"
#include "platform/graphics/GraphicsContext.h"
#include "third_party/skia/include/core/SkPicture.h"
#include "wtf/RefCounted.h"
namespace WebCore {
class PLATFORM_EXPORT GraphicsContextSnapshot : public RefCounted<GraphicsContextSnapshot> {
WTF_MAKE_NONCOPYABLE(GraphicsContextSnapshot);
public:
typedef Vector<Vector<double> > Timings;
PassOwnPtr<ImageBuffer> replay(unsigned fromStep = 0, unsigned toStep = 0) const;
PassOwnPtr<Timings> profile(unsigned minIterations, double minDuration) const;
private:
friend class GraphicsContextRecorder;
GraphicsContextSnapshot(PassRefPtr<SkPicture>, bool isCerteainlyOpaque);
PassOwnPtr<ImageBuffer> createImageBuffer() const;
RefPtr<SkPicture> m_picture;
bool m_isCertainlyOpaque;
};
class PLATFORM_EXPORT GraphicsContextRecorder {
WTF_MAKE_NONCOPYABLE(GraphicsContextRecorder);
public:
GraphicsContextRecorder() { }
GraphicsContext* record(const IntSize&, bool isCertainlyOpaque);
PassRefPtr<GraphicsContextSnapshot> stop();
private:
RefPtr<SkPicture> m_picture;
OwnPtr<GraphicsContext> m_context;
bool m_isCertainlyOpaque;
};
}
#endif // GraphicsContextRecorder_h