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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 #ifndef CONTENT_BROWSER_RENDERER_HOST_DIP_UTIL_H_ | 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_DIP_UTIL_H_ |
6 #define CONTENT_BROWSER_RENDERER_HOST_DIP_UTIL_H_ | 6 #define CONTENT_BROWSER_RENDERER_HOST_DIP_UTIL_H_ |
7 | 7 |
8 #include "content/common/content_export.h" | 8 #include "content/common/content_export.h" |
9 #include "ui/base/layout.h" | 9 #include "ui/base/layout.h" |
10 | 10 |
11 namespace gfx { | 11 namespace gfx { |
12 class Point; | 12 class Point; |
13 class Rect; | 13 class Rect; |
14 class Size; | 14 class Size; |
15 } // namespace gfx | 15 } // namespace gfx |
16 | 16 |
17 namespace content { | 17 namespace content { |
18 class RenderWidgetHostView; | 18 class RenderWidgetHostView; |
19 | 19 |
20 // Returns scale factor of the display nearest to |view|. | 20 // Returns scale factor of the display nearest to |view|. |
21 // Returns ui::SCALE_FACTOR_100P if the platform does not support DIP. | 21 // Returns ui::SCALE_FACTOR_100P if the platform does not support DIP. |
22 CONTENT_EXPORT ui::ScaleFactor GetScaleFactorForView( | 22 CONTENT_EXPORT ui::ScaleFactor GetScaleFactorForView( |
23 const RenderWidgetHostView* view); | 23 const RenderWidgetHostView* view); |
24 | 24 |
25 // Utility functions that convert point/size/rect between DIP and pixel | 25 // Utility functions that convert point/size/rect between DIP and pixel |
26 // coordinate system. | 26 // coordinate system. |
27 CONTENT_EXPORT gfx::Point ConvertPointToDIP(const RenderWidgetHostView* view, | 27 CONTENT_EXPORT gfx::Point ConvertViewPointToDIP( |
28 const gfx::Point& point_in_pixel); | 28 const RenderWidgetHostView* view, const gfx::Point& point_in_pixel); |
29 CONTENT_EXPORT gfx::Size ConvertSizeToDIP(const RenderWidgetHostView* view, | 29 CONTENT_EXPORT gfx::Size ConvertViewSizeToPixel( |
30 const gfx::Size& size_in_pixel); | 30 const RenderWidgetHostView* view, const gfx::Size& size_in_dip); |
31 CONTENT_EXPORT gfx::Rect ConvertRectToDIP(const RenderWidgetHostView* view, | 31 CONTENT_EXPORT gfx::Rect ConvertViewRectToPixel( |
32 const gfx::Rect& rect_in_pixel); | 32 const RenderWidgetHostView* view, const gfx::Rect& rect_in_dip); |
33 CONTENT_EXPORT gfx::Point ConvertPointToPixel(const RenderWidgetHostView* view, | 33 |
34 const gfx::Point& point_in_dip); | 34 CONTENT_EXPORT gfx::Size ConvertSizeToDIP( |
35 CONTENT_EXPORT gfx::Size ConvertSizeToPixel(const RenderWidgetHostView* view, | 35 float scale_factor, const gfx::Size& size_in_pixel); |
36 const gfx::Size& size_in_dip); | 36 CONTENT_EXPORT gfx::Rect ConvertRectToDIP( |
37 CONTENT_EXPORT gfx::Rect ConvertRectToPixel(const RenderWidgetHostView* view, | 37 float scale_factor, const gfx::Rect& rect_in_pixel); |
38 const gfx::Rect& rect_in_dip); | 38 CONTENT_EXPORT gfx::Rect ConvertRectToPixel( |
| 39 float scale_factor, const gfx::Rect& rect_in_dip); |
| 40 |
39 } // namespace content | 41 } // namespace content |
40 | 42 |
41 #endif // CONTENT_BROWSER_RENDERER_HOST_DIP_UTIL_H_ | 43 #endif // CONTENT_BROWSER_RENDERER_HOST_DIP_UTIL_H_ |
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