/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 * The contents of this file are subject to the Mozilla Public License Version
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 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
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 * The Original Code is Mozilla Corporation code.
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 * The Initial Developer of the Original Code is Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2011
 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *   Matt Woodrow <mwoodrow@mozilla.com>
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 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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#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_ */
