cef/libcef/browser/backing_store_osr.h

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1.8 KiB
C++

// 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 CEF_LIBCEF_BROWSER_BACKING_STORE_OSR_H_
#define CEF_LIBCEF_BROWSER_BACKING_STORE_OSR_H_
#include <vector>
#include "content/browser/renderer_host/backing_store.h"
#include "ui/gfx/canvas.h"
class CefRenderWidgetHostViewOSR;
class BackingStoreOSR : public content::BackingStore {
public:
static BackingStoreOSR* From(content::BackingStore* backing_store) {
return static_cast<BackingStoreOSR*>(backing_store);
}
// BackingStore implementation.
virtual size_t MemorySize() OVERRIDE;
virtual void PaintToBackingStore(
content::RenderProcessHost* process,
TransportDIB::Id bitmap,
const gfx::Rect& bitmap_rect,
const std::vector<gfx::Rect>& copy_rects,
float scale_factor,
const base::Closure& completion_callback,
bool* scheduled_completion_callback) OVERRIDE;
virtual bool CopyFromBackingStore(const gfx::Rect& rect,
skia::PlatformBitmap* output) OVERRIDE;
virtual void ScrollBackingStore(const gfx::Vector2d& delta,
const gfx::Rect& clip_rect,
const gfx::Size& view_size) OVERRIDE;
void ScaleFactorChanged(float scale_factor);
const void* getPixels() const;
private:
// Can be instantiated only within CefRenderWidgetHostViewOSR.
friend class CefRenderWidgetHostViewOSR;
explicit BackingStoreOSR(content::RenderWidgetHost* widget,
const gfx::Size& size, float scale_factor);
virtual ~BackingStoreOSR() {}
scoped_ptr<SkDevice> device_;
scoped_ptr<SkCanvas> canvas_;
float device_scale_factor_;
DISALLOW_COPY_AND_ASSIGN(BackingStoreOSR);
};
#endif // CEF_LIBCEF_BROWSER_BACKING_STORE_OSR_H_