/*
 * Copyright (C) 2019 ByteDance Inc
 *
 * 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.
 */
package com.bytedance.scene.animation;

import androidx.annotation.RestrictTo;
import android.view.animation.Interpolator;
import android.view.animation.LinearInterpolator;

import static androidx.annotation.RestrictTo.Scope.LIBRARY_GROUP;

@RestrictTo(LIBRARY_GROUP)
class ReverseInterpolator implements Interpolator {
    final Interpolator delegate;

    ReverseInterpolator(Interpolator delegate) {
        this.delegate = delegate;
    }

    public ReverseInterpolator() {
        this(new LinearInterpolator());
    }

    @Override
    public float getInterpolation(float input) {
        return 1 - delegate.getInterpolation(input);
    }
}
