| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #include "Interpolator.h" |
| |
| #include <math.h> |
| |
| namespace android { |
| namespace uirenderer { |
| |
| Interpolator* Interpolator::createDefaultInterpolator() { |
| return new AccelerateDecelerateInterpolator(); |
| } |
| |
| float AccelerateDecelerateInterpolator::interpolate(float input) { |
| return (float)(cosf((input + 1) * M_PI) / 2.0f) + 0.5f; |
| } |
| |
| } /* namespace uirenderer */ |
| } /* namespace android */ |