content/browser/compositor/software_output_device_win.h

   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_