gecko/gfx/2d/SourceSurfaceCairo.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):
*
* 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_OP_SOURCESURFACE_CAIRO_H_
#define _MOZILLA_GFX_OP_SOURCESURFACE_CAIRO_H
#include "2D.h"
namespace mozilla {
namespace gfx {
class DrawTargetCairo;
class SourceSurfaceCairo : public SourceSurface
{
public:
// Create a SourceSurfaceCairo. The surface will not be copied, but simply
// referenced.
// If aDrawTarget is non-NULL, it is assumed that this is a snapshot source
// surface, and we'll call DrawTargetCairo::RemoveSnapshot(this) on it when
// we're destroyed.
SourceSurfaceCairo(cairo_surface_t* aSurface, const IntSize& aSize,
const SurfaceFormat& aFormat,
DrawTargetCairo* aDrawTarget = NULL);
virtual ~SourceSurfaceCairo();
virtual SurfaceType GetType() const { return SURFACE_CAIRO; }
virtual IntSize GetSize() const;
virtual SurfaceFormat GetFormat() const;
virtual TemporaryRef<DataSourceSurface> GetDataSurface();
cairo_surface_t* GetSurface() const;
private: // methods
friend class DrawTargetCairo;
void DrawTargetWillChange();
void MarkIndependent();
private: // data
IntSize mSize;
SurfaceFormat mFormat;
cairo_surface_t* mSurface;
DrawTargetCairo* mDrawTarget;
};
class DataSourceSurfaceCairo : public DataSourceSurface
{
public:
DataSourceSurfaceCairo(cairo_surface_t* imageSurf);
virtual ~DataSourceSurfaceCairo();
virtual unsigned char *GetData();
virtual int32_t Stride();
virtual SurfaceType GetType() const { return SURFACE_CAIRO_IMAGE; }
virtual IntSize GetSize() const;
virtual SurfaceFormat GetFormat() const;
cairo_surface_t* GetSurface() const;
private:
cairo_surface_t* mImageSurface;
};
}
}
#endif // _MOZILLA_GFX_OP_SOURCESURFACE_CAIRO_H