ui/display/util/display_util.h

   1 // Copyright 2014 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 #ifndef UI_DISPLAY_UTIL_DISPLAY_UTIL_H_
   6 #define UI_DISPLAY_UTIL_DISPLAY_UTIL_H_
   7
   8 #include "ui/display/util/display_util_export.h"
   9 #include "ui/gfx/geometry/size.h"
  10
  11 namespace ui {
  12
  13 // Returns true if a given size is in the list of bogus sizes in mm that should
  14 // be ignored.
  15 DISPLAY_UTIL_EXPORT bool IsDisplaySizeBlackListed(
  16     const gfx::Size& physical_size);
  17
  18 // Returns the desired device scale factor for the display with the given
  19 // physical_size and resoultion.
  20 DISPLAY_UTIL_EXPORT float GetScaleFactor(
  21     const gfx::Size& physical_size_in_mm,
  22     const gfx::Size& screen_size_in_pixels);
  23
  24 }  // namespace ui
  25
  26 #endif  // UI_DISPLAY_UTIL_DISPLAY_UTIL_H_