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| 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_ | |
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