/*
 * MIT License
 *
 * Copyright (c) 2020-2021 Jannis Weis
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
 * associated documentation files (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or
 * substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
 * NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package com.github.weisj.darklaf.graphics;

import com.google.errorprone.annotations.Immutable;

@Immutable
public enum DefaultInterpolator implements Interpolator {
    LINEAR(x -> x),
    EASE_IN_SINE(x -> (float) (1 - Math.cos((x * Math.PI) / 2))),
    EASE_OUT_SINE(x -> (float) Math.sin((x * Math.PI) / 2)),
    EASE_IN_QUAD(x -> x * x),
    EASE_OUT_QUAD(x -> {
        float tmp = 1 - x;
        return 1 - tmp * tmp;
    }),
    EASE_IN_CUBIC(x -> x * x * x),
    EASE_OUT_CUBIC(x -> {
        float tmp = 1 - x;
        return 1 - tmp * tmp * tmp;
    });

    private final Interpolator delegate;

    DefaultInterpolator(final Interpolator delegate) {
        this.delegate = delegate;
    }

    @Override
    public float interpolate(final float fraction) {
        return delegate.interpolate(fraction);
    }
}
