[CLOSED] In-browser software compositing

cc/software_output_device_impl.h

+// Copyright (c) 2013 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 CC_SOFTWARE_OUTPUT_DEVICE_IMPL_H_
+#define CC_SOFTWARE_OUTPUT_DEVICE_IMPL_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "cc/cc_export.h"
+#include "cc/software_output_device.h"
+#include "skia/ext/refptr.h"
+
+class SkCanvas;
+class SkDevice;
+
+namespace cc {
+
+class CC_EXPORT SoftwareOutputDeviceImpl : public SoftwareOutputDevice {
+ public:
+
+  SoftwareOutputDeviceImpl();
+  virtual ~SoftwareOutputDeviceImpl();
+
+  // SoftwareOutputDevice implementation
+  virtual void Resize(const gfx::Size& size) OVERRIDE;
+
+  virtual SkCanvas* BeginPaint() OVERRIDE;
+  virtual void EndPaint(const gfx::Rect& damage_rect) OVERRIDE;
+
+  virtual void CopyToBitmap(const gfx::Rect& rect, SkBitmap* output) OVERRIDE;
+  virtual void Scroll(const gfx::Vector2d& delta,
+                      const gfx::Rect& clip_rect) OVERRIDE;
+
+protected:
+  gfx::Size viewport_size_;
+  skia::RefPtr<SkDevice> device_;
+  skia::RefPtr<SkCanvas> canvas_;
+};
+
+}  // namespace cc
+
+#endif  // CC_SOFTWARE_OUTPUT_DEVICE_IMPL_H_