gui.ColorUtils.java Source code

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Here is the source code for gui.ColorUtils.java

Source

/*
 * COSC326 - 2016 S2 - tude 12 - Supersizing Ants
 * Thomas Farr, Reuben Hilder, Ben Scott
 * Java 8
 *
 * This class sourced from:
 * https://github.com/kotcrab/libgdx-utils
 */

/*******************************************************************************
 * Copyright 2014 Pawel Pastuszak
 *
 * 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 gui;

import com.badlogic.gdx.graphics.Color;

public class ColorUtils {
    /**
     * Converts HSV color sytem to RGB
     *
     * @return RGB values in Libgdx Color class
     */
    public static Color HSV_to_RGB(float h, float s, float v) {
        int r, g, b;
        int i;
        float f, p, q, t;
        h = (float) Math.max(0.0, Math.min(360.0, h));
        s = (float) Math.max(0.0, Math.min(100.0, s));
        v = (float) Math.max(0.0, Math.min(100.0, v));
        s /= 100;
        v /= 100;

        h /= 60;
        i = (int) Math.floor(h);
        f = h - i;
        p = v * (1 - s);
        q = v * (1 - s * f);
        t = v * (1 - s * (1 - f));
        switch (i) {
        case 0:
            r = Math.round(255 * v);
            g = Math.round(255 * t);
            b = Math.round(255 * p);
            break;
        case 1:
            r = Math.round(255 * q);
            g = Math.round(255 * v);
            b = Math.round(255 * p);
            break;
        case 2:
            r = Math.round(255 * p);
            g = Math.round(255 * v);
            b = Math.round(255 * t);
            break;
        case 3:
            r = Math.round(255 * p);
            g = Math.round(255 * q);
            b = Math.round(255 * v);
            break;
        case 4:
            r = Math.round(255 * t);
            g = Math.round(255 * p);
            b = Math.round(255 * v);
            break;
        default:
            r = Math.round(255 * v);
            g = Math.round(255 * p);
            b = Math.round(255 * q);
        }

        return new Color(r / 255.0f, g / 255.0f, b / 255.0f, 1);
    }
}