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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/dpi_win.h" | |
| 13 #include "ui/gfx/gdi_util.h" | 12 #include "ui/gfx/gdi_util.h" |
| 14 #include "ui/gfx/rect_conversions.h" | 13 #include "ui/gfx/rect_conversions.h" |
| 15 #include "ui/gfx/size_conversions.h" | 14 #include "ui/gfx/size_conversions.h" |
| 15 #include "ui/gfx/win/dpi.h" |
| 16 #include "ui/surface/transport_dib.h" | 16 #include "ui/surface/transport_dib.h" |
| 17 | 17 |
| 18 namespace content { | 18 namespace content { |
| 19 namespace { | 19 namespace { |
| 20 | 20 |
| 21 // Creates a dib conforming to the height/width/section parameters passed in. | 21 // Creates a dib conforming to the height/width/section parameters passed in. |
| 22 HANDLE CreateDIB(HDC dc, int width, int height, int color_depth) { | 22 HANDLE CreateDIB(HDC dc, int width, int height, int color_depth) { |
| 23 BITMAPV5HEADER hdr = {0}; | 23 BITMAPV5HEADER hdr = {0}; |
| 24 ZeroMemory(&hdr, sizeof(BITMAPV5HEADER)); | 24 ZeroMemory(&hdr, sizeof(BITMAPV5HEADER)); |
| 25 | 25 |
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| 177 float scale = gfx::win::GetDeviceScaleFactor(); | 177 float scale = gfx::win::GetDeviceScaleFactor(); |
| 178 gfx::Rect screen_rect = gfx::ToEnclosingRect( | 178 gfx::Rect screen_rect = gfx::ToEnclosingRect( |
| 179 gfx::ScaleRect(clip_rect, scale)); | 179 gfx::ScaleRect(clip_rect, scale)); |
| 180 int dx = static_cast<int>(delta.x() * scale); | 180 int dx = static_cast<int>(delta.x() * scale); |
| 181 int dy = static_cast<int>(delta.y() * scale); | 181 int dy = static_cast<int>(delta.y() * scale); |
| 182 RECT damaged_rect, r = screen_rect.ToRECT(); | 182 RECT damaged_rect, r = screen_rect.ToRECT(); |
| 183 ScrollDC(hdc_, dx, dy, NULL, &r, NULL, &damaged_rect); | 183 ScrollDC(hdc_, dx, dy, NULL, &r, NULL, &damaged_rect); |
| 184 } | 184 } |
| 185 | 185 |
| 186 } // namespace content | 186 } // namespace content |
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