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 #ifndef ASH_MAGNIFIER_MAGNIFIER_CONSTANTS_H_ 6 #define ASH_MAGNIFIER_MAGNIFIER_CONSTANTS_H_ 7 8 namespace ash { 9 10 // Note: Do not change these values; UMA and prefs depend on them. 11 enum MagnifierType { 12 MAGNIFIER_FULL = 1, 13 MAGNIFIER_PARTIAL = 2, 14 }; 15 16 const int kMaxMagnifierType = 2; 17 18 const MagnifierType kDefaultMagnifierType = MAGNIFIER_FULL; 19 20 // Factor of magnification scale. For example, when this value is 1.189, scale 21 // value will be changed x1.000, x1.189, x1.414, x1.681, x2.000, ... 22 // Note: this value is 2.0 ^ (1 / 4). 23 const float kMagnificationScaleFactor = 1.18920712f; 24 25 } // namespace ash 26 27 #endif // ASH_MAGNIFIER_MAGNIFIER_CONSTANTS_H_ 28