| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_BROWSER_RENDERER_HOST_DIP_UTIL_H_ |
| #define CONTENT_BROWSER_RENDERER_HOST_DIP_UTIL_H_ |
| |
| #include "content/common/content_export.h" |
| |
| namespace gfx { |
| class Point; |
| class Rect; |
| class Size; |
| } // namespace gfx |
| |
| namespace content { |
| class RenderWidgetHostView; |
| |
| // This is the same as view->GetDeviceScaleFactor(), but will return a best |
| // guess when |view| is nullptr. |
| CONTENT_EXPORT float GetScaleFactorForView(RenderWidgetHostView* view); |
| |
| // Utility functions that convert point/size/rect between DIP and pixel |
| // coordinate system. |
| CONTENT_EXPORT gfx::Point ConvertViewPointToDIP( |
| RenderWidgetHostView* view, |
| const gfx::Point& point_in_pixel); |
| CONTENT_EXPORT gfx::Size ConvertViewSizeToPixel(RenderWidgetHostView* view, |
| const gfx::Size& size_in_dip); |
| CONTENT_EXPORT gfx::Rect ConvertViewRectToPixel(RenderWidgetHostView* view, |
| const gfx::Rect& rect_in_dip); |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_RENDERER_HOST_DIP_UTIL_H_ |