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1 /* | 1 /* |
2 * Copyright (C) 2011 Apple Inc. All rights reserved. | 2 * Copyright (C) 2011 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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70 blend(from.y(), to.y(), progress)); | 70 blend(from.y(), to.y(), progress)); |
71 } | 71 } |
72 | 72 |
73 inline FloatPoint blend(const FloatPoint& from, | 73 inline FloatPoint blend(const FloatPoint& from, |
74 const FloatPoint& to, | 74 const FloatPoint& to, |
75 double progress) { | 75 double progress) { |
76 return FloatPoint(blend(from.x(), to.x(), progress), | 76 return FloatPoint(blend(from.x(), to.x(), progress), |
77 blend(from.y(), to.y(), progress)); | 77 blend(from.y(), to.y(), progress)); |
78 } | 78 } |
79 | 79 |
80 // Calculates the accuracy for evaluating a timing function for an animation wit
h the specified duration. | 80 // Calculates the accuracy for evaluating a timing function for an animation |
| 81 // with the specified duration. |
81 inline double accuracyForDuration(double duration) { | 82 inline double accuracyForDuration(double duration) { |
82 return std::max(1.0 / (200.0 * duration), | 83 return std::max(1.0 / (200.0 * duration), |
83 gfx::CubicBezier::GetDefaultEpsilon()); | 84 gfx::CubicBezier::GetDefaultEpsilon()); |
84 } | 85 } |
85 | 86 |
86 } // namespace blink | 87 } // namespace blink |
87 | 88 |
88 #endif // AnimationUtilities_h | 89 #endif // AnimationUtilities_h |
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