text: // Copyright (c) 2012 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #ifndef PPAPI_THUNK_PPB_GRAPHICS_2D_API_H_
  #define PPAPI_THUNK_PPB_GRAPHICS_2D_API_H_
  
  #include "base/memory/ref_counted.h"
  #include "ppapi/c/pp_bool.h"
  #include "ppapi/c/pp_completion_callback.h"
  #include "ppapi/c/pp_point.h"
  #include "ppapi/c/pp_rect.h"
  #include "ppapi/c/pp_resource.h"
  #include "ppapi/c/pp_size.h"
  #include "ppapi/thunk/ppapi_thunk_export.h"
  
  namespace ppapi {
  
  class TrackedCallback;
  
  namespace thunk {
  
  class PPAPI_THUNK_EXPORT PPB_Graphics2D_API {
   public:
    virtual ~PPB_Graphics2D_API() {}
  
    virtual PP_Bool Describe(PP_Size* size, PP_Bool* is_always_opaque) = 0;
    virtual void PaintImageData(PP_Resource image_data,
                                const PP_Point* top_left,
                                const PP_Rect* src_rect) = 0;
    virtual void Scroll(const PP_Rect* clip_rect,
                        const PP_Point* amount) = 0;
    virtual void ReplaceContents(PP_Resource image_data) = 0;
    virtual int32_t Flush(scoped_refptr<TrackedCallback> callback) = 0;
    virtual PP_Bool SetScale(float scale) = 0;
    virtual float GetScale() = 0;
  
    // Test only
    virtual bool ReadImageData(PP_Resource image, const PP_Point* top_left) = 0;
  };
  
  }  // namespace thunk
  }  // namespace ppapi
  
  #endif  // PPAPI_THUNK_PPB_GRAPHICS_2D_API_H_
  