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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CONTENT_BROWSER_COMPOSITOR_SOFTWARE_OUTPUT_DEVICE_WIN_H_
      6 #define CONTENT_BROWSER_COMPOSITOR_SOFTWARE_OUTPUT_DEVICE_WIN_H_
      7 
      8 #include "base/memory/scoped_ptr.h"
      9 #include "cc/output/software_output_device.h"
     10 
     11 #include <windows.h>
     12 
     13 namespace gfx {
     14 class Canvas;
     15 }
     16 
     17 namespace ui {
     18 class Compositor;
     19 }
     20 
     21 namespace content {
     22 
     23 class SoftwareOutputDeviceWin : public cc::SoftwareOutputDevice {
     24  public:
     25   explicit SoftwareOutputDeviceWin(ui::Compositor* compositor);
     26   virtual ~SoftwareOutputDeviceWin();
     27 
     28   virtual void Resize(const gfx::Size& viewport_pixel_size,
     29                       float scale_factor) OVERRIDE;
     30   virtual SkCanvas* BeginPaint(const gfx::Rect& damage_rect) OVERRIDE;
     31   virtual void EndPaint(cc::SoftwareFrameData* frame_data) OVERRIDE;
     32   virtual void CopyToPixels(const gfx::Rect& rect, void* pixels) OVERRIDE;
     33 
     34  private:
     35   HWND hwnd_;
     36   BITMAPINFO bitmap_info_;
     37   scoped_ptr<gfx::Canvas> contents_;
     38   bool is_hwnd_composited_;
     39 
     40   DISALLOW_COPY_AND_ASSIGN(SoftwareOutputDeviceWin);
     41 };
     42 
     43 }  // namespace content
     44 
     45 #endif  // CONTENT_BROWSER_COMPOSITOR_SOFTWARE_OUTPUT_DEVICE_WIN_H_
     46