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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_BACKING_STORE_H__ | |
| 6 #define CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_BACKING_STORE_H__ | |
| 7 | |
| 8 #include <vector> | |
| 9 | |
| 10 #include "base/memory/scoped_ptr.h" | |
| 11 #include "third_party/skia/include/core/SkBitmap.h" | |
| 12 #include "ui/gfx/size.h" | |
| 13 | |
| 14 class SkCanvas; | |
| 15 class TransportDIB; | |
| 16 | |
| 17 namespace gfx { | |
| 18 class Canvas; | |
| 19 class Point; | |
| 20 class Rect; | |
| 21 } | |
| 22 | |
| 23 namespace content { | |
| 24 | |
| 25 // The BrowserPluginBackingStore is a wrapper around an SkBitmap that is used | |
| 26 // in the software rendering path of the browser plugin. The backing store has | |
| 27 // two write operations: | |
| 28 // 1. PaintToBackingStore copies pixel regions to the bitmap. | |
| 29 // 2. ScrollBackingStore scrolls a region of the bitmap by dx, and dy. | |
| 30 // These are called in response to changes in the guest relayed via | |
| 31 // BrowserPluginMsg_UpdateRect. See BrowserPlugin::UpdateRect. | |
| 32 class BrowserPluginBackingStore { | |
| 33 public: | |
| 34 BrowserPluginBackingStore(const gfx::Size& size, float scale_factor); | |
| 35 virtual ~BrowserPluginBackingStore(); | |
| 36 | |
| 37 void PaintToBackingStore( | |
| 38 const gfx::Rect& bitmap_rect, | |
| 39 const std::vector<gfx::Rect>& copy_rects, | |
| 40 TransportDIB* dib); | |
| 41 | |
| 42 void ScrollBackingStore(int dx, | |
| 43 int dy, | |
| 44 const gfx::Rect& clip_rect, | |
| 45 const gfx::Size& view_size); | |
| 46 | |
| 47 const gfx::Size& GetSize() const { return size_; } | |
| 48 | |
| 49 const SkBitmap& GetBitmap() const { return bitmap_; } | |
| 50 | |
| 51 float GetScaleFactor() const { return scale_factor_; } | |
| 52 | |
| 53 private: | |
| 54 gfx::Size size_; | |
| 55 SkBitmap bitmap_; | |
| 56 scoped_ptr<SkCanvas> canvas_; | |
| 57 float scale_factor_; | |
| 58 | |
| 59 DISALLOW_COPY_AND_ASSIGN(BrowserPluginBackingStore); | |
| 60 }; | |
| 61 | |
| 62 } // namespace content | |
| 63 | |
| 64 #endif // CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_BACKING_STORE_H__ | |
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Chromium Code Reviews
Issue 10827257:
Revert 150863 - Browser Plugin: New Implementation (Renderer Side) (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/