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Side by Side Diff: content/browser/renderer_host/dip_util.cc

Issue 10383297: Revert 138415 - Makes the browser send pixels to the GPU process where it should. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 8 years, 7 months ago
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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 #include "content/browser/renderer_host/dip_util.h"
6
7 #include "content/public/browser/render_widget_host_view.h"
8 #include "ui/gfx/monitor.h"
9 #include "ui/gfx/point.h"
10 #include "ui/gfx/rect.h"
11 #include "ui/gfx/screen.h"
12 #include "ui/gfx/size.h"
13
14 namespace content {
15
16 float GetDIPScaleFactor(const RenderWidgetHostView* view) {
17 if (gfx::Screen::IsDIPEnabled()) {
18 gfx::Monitor monitor = gfx::Screen::GetMonitorNearestWindow(
19 view ? view->GetNativeView() : NULL);
20 return monitor.device_scale_factor();
21 }
22 return 1.0f;
23 }
24
25 gfx::Point ConvertPointToDIP(const RenderWidgetHostView* view,
26 const gfx::Point& point_in_pixel) {
27 return point_in_pixel.Scale(1.0f / GetDIPScaleFactor(view));
28 }
29
30 gfx::Size ConvertSizeToDIP(const RenderWidgetHostView* view,
31 const gfx::Size& size_in_pixel) {
32 return size_in_pixel.Scale(1.0f / GetDIPScaleFactor(view));
33 }
34
35 gfx::Rect ConvertRectToDIP(const RenderWidgetHostView* view,
36 const gfx::Rect& rect_in_pixel) {
37 float scale = 1.0f / GetDIPScaleFactor(view);
38 return gfx::Rect(rect_in_pixel.origin().Scale(scale),
39 rect_in_pixel.size().Scale(scale));
40 }
41
42 gfx::Point ConvertPointToPixel(const RenderWidgetHostView* view,
43 const gfx::Point& point_in_dip) {
44 return point_in_dip.Scale(GetDIPScaleFactor(view));
45 }
46
47 gfx::Size ConvertSizeToPixel(const RenderWidgetHostView* view,
48 const gfx::Size& size_in_dip) {
49 return size_in_dip.Scale(GetDIPScaleFactor(view));
50 }
51
52 gfx::Rect ConvertRectToPixel(const RenderWidgetHostView* view,
53 const gfx::Rect& rect_in_dip) {
54 float scale = GetDIPScaleFactor(view);
55 return gfx::Rect(rect_in_dip.origin().Scale(scale),
56 rect_in_dip.size().Scale(scale));
57 }
58
59 } // namespace content
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