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

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#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-nullptr, 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 = nullptr);
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();
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