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

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* 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
* License.
*
* The Original Code is Mozilla Corporation code.
*
* 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.
*
* Contributor(s):
* Matt Woodrow <mwoodrow@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#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_ */