59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef CEF_LIBCEF_BROWSER_BACKING_STORE_OSR_H_
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#define CEF_LIBCEF_BROWSER_BACKING_STORE_OSR_H_
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#include <vector>
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#include "content/browser/renderer_host/backing_store.h"
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#include "ui/gfx/canvas.h"
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class CefRenderWidgetHostViewOSR;
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class BackingStoreOSR : public content::BackingStore {
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public:
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static BackingStoreOSR* From(content::BackingStore* backing_store) {
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return static_cast<BackingStoreOSR*>(backing_store);
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}
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// BackingStore implementation.
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virtual size_t MemorySize() OVERRIDE;
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virtual void PaintToBackingStore(
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content::RenderProcessHost* process,
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TransportDIB::Id bitmap,
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const gfx::Rect& bitmap_rect,
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const std::vector<gfx::Rect>& copy_rects,
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float scale_factor,
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const base::Closure& completion_callback,
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bool* scheduled_completion_callback) OVERRIDE;
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virtual bool CopyFromBackingStore(const gfx::Rect& rect,
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skia::PlatformBitmap* output) OVERRIDE;
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virtual void ScrollBackingStore(const gfx::Vector2d& delta,
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const gfx::Rect& clip_rect,
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const gfx::Size& view_size) OVERRIDE;
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void ScaleFactorChanged(float scale_factor);
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const void* getPixels() const;
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private:
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// Can be instantiated only within CefRenderWidgetHostViewOSR.
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friend class CefRenderWidgetHostViewOSR;
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explicit BackingStoreOSR(content::RenderWidgetHost* widget,
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const gfx::Size& size, float scale_factor);
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virtual ~BackingStoreOSR() {}
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scoped_ptr<SkDevice> device_;
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scoped_ptr<SkCanvas> canvas_;
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float device_scale_factor_;
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DISALLOW_COPY_AND_ASSIGN(BackingStoreOSR);
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};
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#endif // CEF_LIBCEF_BROWSER_BACKING_STORE_OSR_H_
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