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// Copyright 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 CC_OUTPUT_SOFTWARE_OUTPUT_DEVICE_H_
#define CC_OUTPUT_SOFTWARE_OUTPUT_DEVICE_H_
#include "base/basictypes.h"
#include "cc/base/cc_export.h"
#include "skia/ext/refptr.h"
#include "ui/gfx/rect.h"
#include "ui/gfx/size.h"
#include "ui/gfx/vector2d.h"
#include "ui/surface/transport_dib.h"
class SkBitmap;
class SkDevice;
class SkCanvas;
namespace cc {
class SoftwareFrameData;
// This is a "tear-off" class providing software drawing support to
// OutputSurface, such as to a platform-provided window framebuffer.
class CC_EXPORT SoftwareOutputDevice {
public:
SoftwareOutputDevice();
virtual ~SoftwareOutputDevice();
// SoftwareOutputDevice implementation
virtual void Resize(const gfx::Size& size);
virtual SkCanvas* BeginPaint(const gfx::Rect& damage_rect);
virtual void EndPaint(SoftwareFrameData* frame_data=NULL);
virtual void CopyToBitmap(const gfx::Rect& rect, SkBitmap* output);
virtual void Scroll(const gfx::Vector2d& delta,
const gfx::Rect& clip_rect);
// TODO(skaslev) Remove this after UberCompositor lands.
virtual void ReclaimDIB(TransportDIB::Handle handle);
protected:
gfx::Size viewport_size_;
gfx::Rect damage_rect_;
skia::RefPtr<SkDevice> device_;
skia::RefPtr<SkCanvas> canvas_;
DISALLOW_COPY_AND_ASSIGN(SoftwareOutputDevice);
};
} // namespace cc
#endif // CC_OUTPUT_SOFTWARE_OUTPUT_DEVICE_H_
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