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_DATASOURCESURFACEWRAPPER_H_
       7             : #define MOZILLA_GFX_DATASOURCESURFACEWRAPPER_H_
       8             : 
       9             : #include "2D.h"
      10             : 
      11             : namespace mozilla {
      12             : namespace gfx {
      13             : 
      14             : // Wraps a DataSourceSurface and forwards all methods except for GetType(),
      15             : // from which it always returns SurfaceType::DATA.
      16           0 : class DataSourceSurfaceWrapper : public DataSourceSurface
      17             : {
      18             : public:
      19           0 :   MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DataSourceSurfaceWrapper, override)
      20           0 :   explicit DataSourceSurfaceWrapper(DataSourceSurface *aSurface)
      21           0 :    : mSurface(aSurface)
      22           0 :   {}
      23             : 
      24           0 :   virtual SurfaceType GetType() const override { return SurfaceType::DATA; }
      25             : 
      26           0 :   virtual uint8_t *GetData() override { return mSurface->GetData(); }
      27           0 :   virtual int32_t Stride() override { return mSurface->Stride(); }
      28           0 :   virtual IntSize GetSize() const override { return mSurface->GetSize(); }
      29           0 :   virtual SurfaceFormat GetFormat() const override { return mSurface->GetFormat(); }
      30           0 :   virtual bool IsValid() const override { return mSurface->IsValid(); }
      31             : 
      32             : private:
      33             :   RefPtr<DataSourceSurface> mSurface;
      34             : };
      35             : 
      36             : } // namespace gfx
      37             : } // namespace mozilla
      38             : 
      39             : #endif /* MOZILLA_GFX_DATASOURCESURFACEWRAPPER_H_ */