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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_ANDROID_ANIMATION_UTILS_H_
#define CONTENT_BROWSER_ANDROID_ANIMATION_UTILS_H_
namespace content {
template <typename T>
T Lerp(T a, T b, T t) {
return a + (b - a) * t;
}
template <typename T>
T Clamp(T value, T low, T high) {
return value < low ? low : (value > high ? high : value);
}
template <typename T>
T Damp(T input, T factor) {
T result;
if (factor == 1) {
result = 1 - (1 - input) * (1 - input);
} else {
result = 1 - std::pow(1 - input, 2 * factor);
}
return result;
}
} // namespace content
#endif // CONTENT_BROWSER_ANDROID_ANIMATION_UTILS_H_
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