Line data    Source code

       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_SOURCESURFACEDUAL_H_
       7             : #define MOZILLA_GFX_SOURCESURFACEDUAL_H_
       8             :      
       9             : #include "2D.h"
      10             :      
      11             : namespace mozilla {
      12             : namespace gfx {
      13             : 
      14             : class DualSurface;
      15             : class DualPattern;
      16             : 
      17           0 : class SourceSurfaceDual : public SourceSurface
      18             : {
      19             : public:
      20           0 :   MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(SourceSurfaceDual)
      21           0 :   SourceSurfaceDual(DrawTarget *aDTA, DrawTarget *aDTB)
      22           0 :     : mA(aDTA->Snapshot())
      23           0 :     , mB(aDTB->Snapshot())
      24           0 :   { }
      25             : 
      26           0 :   virtual SurfaceType GetType() const { return SurfaceType::DUAL_DT; }
      27           0 :   virtual IntSize GetSize() const { return mA->GetSize(); }
      28           0 :   virtual SurfaceFormat GetFormat() const { return mA->GetFormat(); }
      29             : 
      30             :   // TODO: This is probably wrong as this was originally only
      31             :   // used for debugging purposes, but now has legacy relying on
      32             :   // giving the first type only.
      33           0 :   virtual already_AddRefed<DataSourceSurface> GetDataSurface() {
      34           0 :     return mA->GetDataSurface();
      35             :   }
      36             : 
      37             :   SourceSurface* GetFirstSurface() {
      38             :     MOZ_ASSERT(mA->GetType() == mB->GetType());
      39             :     return mA;
      40             :   }
      41             : 
      42             :   bool SameSurfaceTypes() {
      43             :     return mA->GetType() == mB->GetType();
      44             :   }
      45             : 
      46             : private:
      47             :   friend class DualSurface;
      48             :   friend class DualPattern;
      49             : 
      50             :   RefPtr<SourceSurface> mA;
      51             :   RefPtr<SourceSurface> mB;
      52             : };
      53             : 
      54             : } // namespace gfx
      55             : } // namespace mozilla
      56             : 
      57             : #endif /* MOZILLA_GFX_SOURCESURFACEDUAL_H_ */