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_ 27