1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
// Copyright (c) 2011 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 CONTENT_BROWSER_RENDERER_HOST_BACKING_STORE_SKIA_H_
#define CONTENT_BROWSER_RENDERER_HOST_BACKING_STORE_SKIA_H_
#pragma once
#include "base/memory/scoped_ptr.h"
#include "content/browser/renderer_host/backing_store.h"
#include "content/common/content_export.h"
#include "third_party/skia/include/core/SkBitmap.h"
class SkCanvas;
namespace gfx {
class Point;
class Canvas;
}
namespace content {
class RenderProcessHost;
}
// A backing store that uses skia. This is a temporary backing store used by
// RenderWidgetHostViewViews. In time, only GPU rendering will be used for
// RWHVV, and then this backing store will be removed.
class BackingStoreSkia : public BackingStore {
public:
CONTENT_EXPORT BackingStoreSkia(
content::RenderWidgetHost* widget,
const gfx::Size& size);
virtual ~BackingStoreSkia();
CONTENT_EXPORT void SkiaShowRect(const gfx::Point& point,
gfx::Canvas* canvas);
// 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,
const base::Closure& completion_callback,
bool* scheduled_completion_callback) OVERRIDE;
virtual bool CopyFromBackingStore(const gfx::Rect& rect,
skia::PlatformCanvas* output) OVERRIDE;
virtual void ScrollBackingStore(int dx, int dy,
const gfx::Rect& clip_rect,
const gfx::Size& view_size) OVERRIDE;
private:
SkBitmap bitmap_;
scoped_ptr<SkCanvas> canvas_;
DISALLOW_COPY_AND_ASSIGN(BackingStoreSkia);
};
#endif // CONTENT_BROWSER_RENDERER_HOST_BACKING_STORE_SKIA_H_
|
