Home | History | Annotate | Download | only in magnifier 
      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