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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/browser/renderer_host/backing_store_win.h" | 5 #include "content/browser/renderer_host/backing_store_win.h" |
6 | 6 |
7 #include "base/command_line.h" | 7 #include "base/command_line.h" |
8 #include "content/browser/renderer_host/render_process_host_impl.h" | 8 #include "content/browser/renderer_host/render_process_host_impl.h" |
9 #include "content/browser/renderer_host/render_widget_host_impl.h" | 9 #include "content/browser/renderer_host/render_widget_host_impl.h" |
10 #include "content/public/common/content_switches.h" | 10 #include "content/public/common/content_switches.h" |
11 #include "skia/ext/platform_canvas.h" | 11 #include "skia/ext/platform_canvas.h" |
12 #include "ui/gfx/gdi_util.h" | 12 #include "ui/gfx/gdi_util.h" |
13 #include "ui/gfx/surface/transport_dib.h" | 13 #include "ui/surface/transport_dib.h" |
14 | 14 |
15 namespace { | 15 namespace { |
16 | 16 |
17 // Creates a dib conforming to the height/width/section parameters passed in. | 17 // Creates a dib conforming to the height/width/section parameters passed in. |
18 HANDLE CreateDIB(HDC dc, int width, int height, int color_depth) { | 18 HANDLE CreateDIB(HDC dc, int width, int height, int color_depth) { |
19 BITMAPV5HEADER hdr = {0}; | 19 BITMAPV5HEADER hdr = {0}; |
20 ZeroMemory(&hdr, sizeof(BITMAPV5HEADER)); | 20 ZeroMemory(&hdr, sizeof(BITMAPV5HEADER)); |
21 | 21 |
22 // These values are shared with gfx::PlatformDevice | 22 // These values are shared with gfx::PlatformDevice |
23 hdr.bV5Size = sizeof(BITMAPINFOHEADER); | 23 hdr.bV5Size = sizeof(BITMAPINFOHEADER); |
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170 | 170 |
171 void BackingStoreWin::ScrollBackingStore(int dx, int dy, | 171 void BackingStoreWin::ScrollBackingStore(int dx, int dy, |
172 const gfx::Rect& clip_rect, | 172 const gfx::Rect& clip_rect, |
173 const gfx::Size& view_size) { | 173 const gfx::Size& view_size) { |
174 RECT damaged_rect, r = clip_rect.ToRECT(); | 174 RECT damaged_rect, r = clip_rect.ToRECT(); |
175 ScrollDC(hdc_, dx, dy, NULL, &r, NULL, &damaged_rect); | 175 ScrollDC(hdc_, dx, dy, NULL, &r, NULL, &damaged_rect); |
176 | 176 |
177 // TODO(darin): this doesn't work if dx and dy are both non-zero! | 177 // TODO(darin): this doesn't work if dx and dy are both non-zero! |
178 DCHECK(dx == 0 || dy == 0); | 178 DCHECK(dx == 0 || dy == 0); |
179 } | 179 } |
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