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       1             : /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
       2             :  * This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #ifndef _MOZILLA_GFX_OP_SOURCESURFACE_CAIRO_H
       7             : #define _MOZILLA_GFX_OP_SOURCESURFACE_CAIRO_H
       8             : 
       9             : #include "2D.h"
      10             : 
      11             : namespace mozilla {
      12             : namespace gfx {
      13             : 
      14             : class DrawTargetCairo;
      15             : 
      16             : class SourceSurfaceCairo : public SourceSurface
      17             : {
      18             : public:
      19           0 :   MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(SourceSurfaceCairo)
      20             :   // Create a SourceSurfaceCairo. The surface will not be copied, but simply
      21             :   // referenced.
      22             :   // If aDrawTarget is non-nullptr, it is assumed that this is a snapshot source
      23             :   // surface, and we'll call DrawTargetCairo::RemoveSnapshot(this) on it when
      24             :   // we're destroyed.
      25             :   SourceSurfaceCairo(cairo_surface_t* aSurface, const IntSize& aSize,
      26             :                      const SurfaceFormat& aFormat,
      27             :                      DrawTargetCairo* aDrawTarget = nullptr);
      28             :   virtual ~SourceSurfaceCairo();
      29             : 
      30           0 :   virtual SurfaceType GetType() const { return SurfaceType::CAIRO; }
      31             :   virtual IntSize GetSize() const;
      32             :   virtual SurfaceFormat GetFormat() const;
      33             :   virtual already_AddRefed<DataSourceSurface> GetDataSurface();
      34             : 
      35             :   cairo_surface_t* GetSurface() const;
      36             : 
      37             : private: // methods
      38             :   friend class DrawTargetCairo;
      39             :   void DrawTargetWillChange();
      40             : 
      41             : private: // data
      42             :   IntSize mSize;
      43             :   SurfaceFormat mFormat;
      44             :   cairo_surface_t* mSurface;
      45             :   DrawTargetCairo* mDrawTarget;
      46             : };
      47             : 
      48             : class DataSourceSurfaceCairo : public DataSourceSurface
      49             : {
      50             : public:
      51           0 :   MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DataSourceSurfaceCairo)
      52             :   explicit DataSourceSurfaceCairo(cairo_surface_t* imageSurf);
      53             :   virtual ~DataSourceSurfaceCairo();
      54             :   virtual unsigned char *GetData();
      55             :   virtual int32_t Stride();
      56             : 
      57           0 :   virtual SurfaceType GetType() const { return SurfaceType::CAIRO_IMAGE; }
      58             :   virtual IntSize GetSize() const;
      59             :   virtual SurfaceFormat GetFormat() const;
      60             : 
      61             :   cairo_surface_t* GetSurface() const;
      62             : 
      63             : private:
      64             :   cairo_surface_t* mImageSurface;
      65             : };
      66             : 
      67             : } // namespace gfx
      68             : } // namespace mozilla
      69             : 
      70             : #endif // _MOZILLA_GFX_OP_SOURCESURFACE_CAIRO_H