ash/display/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 ASH_DISPLAY_DISPLAY_UTIL_H_
   6 #define ASH_DISPLAY_DISPLAY_UTIL_H_
   7
   8 #include <vector>
   9
  10 #include "ash/ash_export.h"
  11
  12 namespace ash {
  13
  14 struct DisplayMode;
  15 class DisplayInfo;
  16
  17 // Creates the display mode list for internal display
  18 // based on |native_mode|.
  19 ASH_EXPORT std::vector<DisplayMode> CreateInternalDisplayModeList(
  20     const DisplayMode& native_mode);
  21
  22 // Returns next valid UI scale.
  23 float GetNextUIScale(const DisplayInfo& info, bool up);
  24
  25 // Tests if the |info| has display mode that matches |ui_scale|.
  26 bool HasDisplayModeForUIScale(const DisplayInfo& info, float ui_scale);
  27
  28 }  // namespace ash
  29
  30 #endif  // ASH_DISPLAY_DISPLAY_UTIL_H_