John Reck | e45b1fd | 2014-04-15 09:50:16 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | #ifndef INTERPOLATOR_H |
| 17 | #define INTERPOLATOR_H |
| 18 | |
John Reck | 315c329 | 2014-05-09 19:21:04 -0700 | [diff] [blame] | 19 | #include <stddef.h> |
Chris Craik | 51d6a3d | 2014-12-22 17:16:56 -0800 | [diff] [blame] | 20 | #include <memory> |
John Reck | 315c329 | 2014-05-09 19:21:04 -0700 | [diff] [blame] | 21 | |
| 22 | #include <cutils/compiler.h> |
Doris Liu | 9e9eeee | 2016-11-29 14:48:25 -0800 | [diff] [blame] | 23 | #include <vector> |
John Reck | 315c329 | 2014-05-09 19:21:04 -0700 | [diff] [blame] | 24 | |
John Reck | e45b1fd | 2014-04-15 09:50:16 -0700 | [diff] [blame] | 25 | namespace android { |
| 26 | namespace uirenderer { |
| 27 | |
| 28 | class Interpolator { |
| 29 | public: |
| 30 | virtual ~Interpolator() {} |
| 31 | |
| 32 | virtual float interpolate(float input) = 0; |
| 33 | |
| 34 | static Interpolator* createDefaultInterpolator(); |
| 35 | |
| 36 | protected: |
| 37 | Interpolator() {} |
| 38 | }; |
| 39 | |
Derek Sollenberger | 3fedf5a | 2020-02-21 13:07:28 -0500 | [diff] [blame] | 40 | class AccelerateDecelerateInterpolator : public Interpolator { |
John Reck | e45b1fd | 2014-04-15 09:50:16 -0700 | [diff] [blame] | 41 | public: |
Chris Craik | d41c4d8 | 2015-01-05 15:51:13 -0800 | [diff] [blame] | 42 | virtual float interpolate(float input) override; |
John Reck | e45b1fd | 2014-04-15 09:50:16 -0700 | [diff] [blame] | 43 | }; |
| 44 | |
Derek Sollenberger | 3fedf5a | 2020-02-21 13:07:28 -0500 | [diff] [blame] | 45 | class AccelerateInterpolator : public Interpolator { |
John Reck | c8ac775 | 2014-05-12 16:39:41 -0700 | [diff] [blame] | 46 | public: |
John Reck | 1bcacfd | 2017-11-03 10:12:19 -0700 | [diff] [blame] | 47 | explicit AccelerateInterpolator(float factor) : mFactor(factor), mDoubleFactor(factor * 2) {} |
Chris Craik | d41c4d8 | 2015-01-05 15:51:13 -0800 | [diff] [blame] | 48 | virtual float interpolate(float input) override; |
John Reck | 1bcacfd | 2017-11-03 10:12:19 -0700 | [diff] [blame] | 49 | |
John Reck | c8ac775 | 2014-05-12 16:39:41 -0700 | [diff] [blame] | 50 | private: |
| 51 | const float mFactor; |
| 52 | const float mDoubleFactor; |
| 53 | }; |
| 54 | |
Derek Sollenberger | 3fedf5a | 2020-02-21 13:07:28 -0500 | [diff] [blame] | 55 | class AnticipateInterpolator : public Interpolator { |
John Reck | c8ac775 | 2014-05-12 16:39:41 -0700 | [diff] [blame] | 56 | public: |
Chih-Hung Hsieh | 4979645 | 2016-08-10 14:08:35 -0700 | [diff] [blame] | 57 | explicit AnticipateInterpolator(float tension) : mTension(tension) {} |
Chris Craik | d41c4d8 | 2015-01-05 15:51:13 -0800 | [diff] [blame] | 58 | virtual float interpolate(float input) override; |
John Reck | 1bcacfd | 2017-11-03 10:12:19 -0700 | [diff] [blame] | 59 | |
John Reck | c8ac775 | 2014-05-12 16:39:41 -0700 | [diff] [blame] | 60 | private: |
| 61 | const float mTension; |
| 62 | }; |
| 63 | |
Derek Sollenberger | 3fedf5a | 2020-02-21 13:07:28 -0500 | [diff] [blame] | 64 | class AnticipateOvershootInterpolator : public Interpolator { |
John Reck | c8ac775 | 2014-05-12 16:39:41 -0700 | [diff] [blame] | 65 | public: |
Chih-Hung Hsieh | 4979645 | 2016-08-10 14:08:35 -0700 | [diff] [blame] | 66 | explicit AnticipateOvershootInterpolator(float tension) : mTension(tension) {} |
Chris Craik | d41c4d8 | 2015-01-05 15:51:13 -0800 | [diff] [blame] | 67 | virtual float interpolate(float input) override; |
John Reck | 1bcacfd | 2017-11-03 10:12:19 -0700 | [diff] [blame] | 68 | |
John Reck | c8ac775 | 2014-05-12 16:39:41 -0700 | [diff] [blame] | 69 | private: |
| 70 | const float mTension; |
| 71 | }; |
| 72 | |
Derek Sollenberger | 3fedf5a | 2020-02-21 13:07:28 -0500 | [diff] [blame] | 73 | class BounceInterpolator : public Interpolator { |
John Reck | c8ac775 | 2014-05-12 16:39:41 -0700 | [diff] [blame] | 74 | public: |
Chris Craik | d41c4d8 | 2015-01-05 15:51:13 -0800 | [diff] [blame] | 75 | virtual float interpolate(float input) override; |
John Reck | c8ac775 | 2014-05-12 16:39:41 -0700 | [diff] [blame] | 76 | }; |
| 77 | |
Derek Sollenberger | 3fedf5a | 2020-02-21 13:07:28 -0500 | [diff] [blame] | 78 | class CycleInterpolator : public Interpolator { |
John Reck | c8ac775 | 2014-05-12 16:39:41 -0700 | [diff] [blame] | 79 | public: |
Chih-Hung Hsieh | 4979645 | 2016-08-10 14:08:35 -0700 | [diff] [blame] | 80 | explicit CycleInterpolator(float cycles) : mCycles(cycles) {} |
Chris Craik | d41c4d8 | 2015-01-05 15:51:13 -0800 | [diff] [blame] | 81 | virtual float interpolate(float input) override; |
John Reck | 1bcacfd | 2017-11-03 10:12:19 -0700 | [diff] [blame] | 82 | |
John Reck | c8ac775 | 2014-05-12 16:39:41 -0700 | [diff] [blame] | 83 | private: |
| 84 | const float mCycles; |
| 85 | }; |
| 86 | |
Derek Sollenberger | 3fedf5a | 2020-02-21 13:07:28 -0500 | [diff] [blame] | 87 | class DecelerateInterpolator : public Interpolator { |
John Reck | c8ac775 | 2014-05-12 16:39:41 -0700 | [diff] [blame] | 88 | public: |
Chih-Hung Hsieh | 4979645 | 2016-08-10 14:08:35 -0700 | [diff] [blame] | 89 | explicit DecelerateInterpolator(float factor) : mFactor(factor) {} |
Chris Craik | d41c4d8 | 2015-01-05 15:51:13 -0800 | [diff] [blame] | 90 | virtual float interpolate(float input) override; |
John Reck | 1bcacfd | 2017-11-03 10:12:19 -0700 | [diff] [blame] | 91 | |
John Reck | c8ac775 | 2014-05-12 16:39:41 -0700 | [diff] [blame] | 92 | private: |
| 93 | const float mFactor; |
| 94 | }; |
| 95 | |
Derek Sollenberger | 3fedf5a | 2020-02-21 13:07:28 -0500 | [diff] [blame] | 96 | class LinearInterpolator : public Interpolator { |
John Reck | c8ac775 | 2014-05-12 16:39:41 -0700 | [diff] [blame] | 97 | public: |
Chris Craik | d41c4d8 | 2015-01-05 15:51:13 -0800 | [diff] [blame] | 98 | virtual float interpolate(float input) override { return input; } |
John Reck | c8ac775 | 2014-05-12 16:39:41 -0700 | [diff] [blame] | 99 | }; |
| 100 | |
Derek Sollenberger | 3fedf5a | 2020-02-21 13:07:28 -0500 | [diff] [blame] | 101 | class OvershootInterpolator : public Interpolator { |
John Reck | c8ac775 | 2014-05-12 16:39:41 -0700 | [diff] [blame] | 102 | public: |
Chih-Hung Hsieh | 4979645 | 2016-08-10 14:08:35 -0700 | [diff] [blame] | 103 | explicit OvershootInterpolator(float tension) : mTension(tension) {} |
Chris Craik | d41c4d8 | 2015-01-05 15:51:13 -0800 | [diff] [blame] | 104 | virtual float interpolate(float input) override; |
John Reck | 1bcacfd | 2017-11-03 10:12:19 -0700 | [diff] [blame] | 105 | |
John Reck | c8ac775 | 2014-05-12 16:39:41 -0700 | [diff] [blame] | 106 | private: |
| 107 | const float mTension; |
| 108 | }; |
| 109 | |
Derek Sollenberger | 3fedf5a | 2020-02-21 13:07:28 -0500 | [diff] [blame] | 110 | class PathInterpolator : public Interpolator { |
Doris Liu | 9e9eeee | 2016-11-29 14:48:25 -0800 | [diff] [blame] | 111 | public: |
John Reck | 1bcacfd | 2017-11-03 10:12:19 -0700 | [diff] [blame] | 112 | explicit PathInterpolator(std::vector<float>&& x, std::vector<float>&& y) : mX(x), mY(y) {} |
Doris Liu | 9e9eeee | 2016-11-29 14:48:25 -0800 | [diff] [blame] | 113 | virtual float interpolate(float input) override; |
John Reck | 1bcacfd | 2017-11-03 10:12:19 -0700 | [diff] [blame] | 114 | |
Doris Liu | 9e9eeee | 2016-11-29 14:48:25 -0800 | [diff] [blame] | 115 | private: |
| 116 | std::vector<float> mX; |
| 117 | std::vector<float> mY; |
| 118 | }; |
| 119 | |
Derek Sollenberger | 3fedf5a | 2020-02-21 13:07:28 -0500 | [diff] [blame] | 120 | class LUTInterpolator : public Interpolator { |
John Reck | 315c329 | 2014-05-09 19:21:04 -0700 | [diff] [blame] | 121 | public: |
| 122 | LUTInterpolator(float* values, size_t size); |
| 123 | ~LUTInterpolator(); |
| 124 | |
Chris Craik | d41c4d8 | 2015-01-05 15:51:13 -0800 | [diff] [blame] | 125 | virtual float interpolate(float input) override; |
John Reck | 315c329 | 2014-05-09 19:21:04 -0700 | [diff] [blame] | 126 | |
| 127 | private: |
Chris Craik | 51d6a3d | 2014-12-22 17:16:56 -0800 | [diff] [blame] | 128 | std::unique_ptr<float[]> mValues; |
John Reck | 315c329 | 2014-05-09 19:21:04 -0700 | [diff] [blame] | 129 | size_t mSize; |
| 130 | }; |
| 131 | |
John Reck | e45b1fd | 2014-04-15 09:50:16 -0700 | [diff] [blame] | 132 | } /* namespace uirenderer */ |
| 133 | } /* namespace android */ |
| 134 | |
| 135 | #endif /* INTERPOLATOR_H */ |