content/browser/renderer_host/dip_util.cc

   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/base/layout.h"
   9 #include "ui/gfx/display.h"
  10 #include "ui/gfx/geometry/dip_util.h"
  11 #include "ui/gfx/geometry/point.h"
  12 #include "ui/gfx/geometry/point_conversions.h"
  13 #include "ui/gfx/geometry/rect.h"
  14 #include "ui/gfx/geometry/rect_conversions.h"
  15 #include "ui/gfx/geometry/size.h"
  16 #include "ui/gfx/geometry/size_conversions.h"
  17 #include "ui/gfx/screen.h"
  18
  19 namespace content {
  20
  21 float GetScaleFactorForView(const RenderWidgetHostView* view) {
  22   return ui::GetScaleFactorForNativeView(view ? view->GetNativeView() : NULL);
  23 }
  24
  25 gfx::Point ConvertViewPointToDIP(const RenderWidgetHostView* view,
  26                                  const gfx::Point& point_in_pixel) {
  27   return gfx::ConvertPointToDIP(GetScaleFactorForView(view), point_in_pixel);
  28 }
  29
  30 gfx::Size ConvertViewSizeToPixel(const RenderWidgetHostView* view,
  31                                  const gfx::Size& size_in_dip) {
  32   return gfx::ConvertSizeToPixel(GetScaleFactorForView(view), size_in_dip);
  33 }
  34
  35 gfx::Rect ConvertViewRectToPixel(const RenderWidgetHostView* view,
  36                                  const gfx::Rect& rect_in_dip) {
  37   return gfx::ConvertRectToPixel(GetScaleFactorForView(view), rect_in_dip);
  38 }
  39
  40 }  // namespace content