130 lines
3.5 KiB
C++
130 lines
3.5 KiB
C++
/*
|
|
* 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.
|
|
*/
|
|
#ifndef INTERPOLATOR_H
|
|
#define INTERPOLATOR_H
|
|
|
|
#include <stddef.h>
|
|
#include <memory>
|
|
|
|
#include <cutils/compiler.h>
|
|
#include <vector>
|
|
|
|
namespace android {
|
|
namespace uirenderer {
|
|
|
|
class Interpolator {
|
|
public:
|
|
virtual ~Interpolator() {}
|
|
|
|
virtual float interpolate(float input) = 0;
|
|
|
|
static Interpolator* createDefaultInterpolator();
|
|
|
|
protected:
|
|
Interpolator() {}
|
|
};
|
|
|
|
class ANDROID_API AccelerateDecelerateInterpolator : public Interpolator {
|
|
public:
|
|
virtual float interpolate(float input) override;
|
|
};
|
|
|
|
class ANDROID_API AccelerateInterpolator : public Interpolator {
|
|
public:
|
|
explicit AccelerateInterpolator(float factor) : mFactor(factor), mDoubleFactor(factor*2) {}
|
|
virtual float interpolate(float input) override;
|
|
private:
|
|
const float mFactor;
|
|
const float mDoubleFactor;
|
|
};
|
|
|
|
class ANDROID_API AnticipateInterpolator : public Interpolator {
|
|
public:
|
|
explicit AnticipateInterpolator(float tension) : mTension(tension) {}
|
|
virtual float interpolate(float input) override;
|
|
private:
|
|
const float mTension;
|
|
};
|
|
|
|
class ANDROID_API AnticipateOvershootInterpolator : public Interpolator {
|
|
public:
|
|
explicit AnticipateOvershootInterpolator(float tension) : mTension(tension) {}
|
|
virtual float interpolate(float input) override;
|
|
private:
|
|
const float mTension;
|
|
};
|
|
|
|
class ANDROID_API BounceInterpolator : public Interpolator {
|
|
public:
|
|
virtual float interpolate(float input) override;
|
|
};
|
|
|
|
class ANDROID_API CycleInterpolator : public Interpolator {
|
|
public:
|
|
explicit CycleInterpolator(float cycles) : mCycles(cycles) {}
|
|
virtual float interpolate(float input) override;
|
|
private:
|
|
const float mCycles;
|
|
};
|
|
|
|
class ANDROID_API DecelerateInterpolator : public Interpolator {
|
|
public:
|
|
explicit DecelerateInterpolator(float factor) : mFactor(factor) {}
|
|
virtual float interpolate(float input) override;
|
|
private:
|
|
const float mFactor;
|
|
};
|
|
|
|
class ANDROID_API LinearInterpolator : public Interpolator {
|
|
public:
|
|
virtual float interpolate(float input) override { return input; }
|
|
};
|
|
|
|
class ANDROID_API OvershootInterpolator : public Interpolator {
|
|
public:
|
|
explicit OvershootInterpolator(float tension) : mTension(tension) {}
|
|
virtual float interpolate(float input) override;
|
|
private:
|
|
const float mTension;
|
|
};
|
|
|
|
class ANDROID_API PathInterpolator : public Interpolator {
|
|
public:
|
|
explicit PathInterpolator(std::vector<float>&& x, std::vector<float>&& y)
|
|
: mX (x), mY(y) {}
|
|
virtual float interpolate(float input) override;
|
|
private:
|
|
std::vector<float> mX;
|
|
std::vector<float> mY;
|
|
};
|
|
|
|
class ANDROID_API LUTInterpolator : public Interpolator {
|
|
public:
|
|
LUTInterpolator(float* values, size_t size);
|
|
~LUTInterpolator();
|
|
|
|
virtual float interpolate(float input) override;
|
|
|
|
private:
|
|
std::unique_ptr<float[]> mValues;
|
|
size_t mSize;
|
|
};
|
|
|
|
} /* namespace uirenderer */
|
|
} /* namespace android */
|
|
|
|
#endif /* INTERPOLATOR_H */
|