gecko/gfx/2d/SourceSurfaceCairo.h

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#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