OLD | NEW |
1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "config.h" | |
6 | |
7 #include "cc/page_scale_animation.h" | 5 #include "cc/page_scale_animation.h" |
8 | 6 |
9 #include "cc/geometry.h" | 7 #include "cc/geometry.h" |
10 #include "ui/gfx/point_f.h" | 8 #include "ui/gfx/point_f.h" |
11 #include "ui/gfx/rect_f.h" | 9 #include "ui/gfx/rect_f.h" |
12 | 10 |
13 #include <math.h> | 11 #include <math.h> |
14 | 12 |
15 namespace { | 13 namespace { |
16 | 14 |
(...skipping 187 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
204 | 202 |
205 // Linearly interpolate the magnitude in log scale. | 203 // Linearly interpolate the magnitude in log scale. |
206 float diff = m_targetPageScaleFactor / m_startPageScaleFactor; | 204 float diff = m_targetPageScaleFactor / m_startPageScaleFactor; |
207 float logDiff = log(diff); | 205 float logDiff = log(diff); |
208 logDiff *= interp; | 206 logDiff *= interp; |
209 diff = exp(logDiff); | 207 diff = exp(logDiff); |
210 return m_startPageScaleFactor * diff; | 208 return m_startPageScaleFactor * diff; |
211 } | 209 } |
212 | 210 |
213 } // namespace cc | 211 } // namespace cc |
OLD | NEW |