Utils.java Source code

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Here is the source code for Utils.java

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/*
 * Copyright 2007-2008 Sun Microsystems, Inc.  All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Sun Microsystems nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

import java.awt.Color;

/**
*
* @author aim
*/
public class Utils {
    /**
     * Derives a color by adding the specified offsets to the base color's 
     * hue, saturation, and brightness values.   The resulting hue, saturation,
     * and brightness values will be contrained to be between 0 and 1.
     * @param base the color to which the HSV offsets will be added
     * @param dH the offset for hue
     * @param dS the offset for saturation
     * @param dB the offset for brightness
     * @return Color with modified HSV values
     */
    public static Color deriveColorHSB(Color base, float dH, float dS, float dB) {
        float hsb[] = Color.RGBtoHSB(base.getRed(), base.getGreen(), base.getBlue(), null);

        hsb[0] += dH;
        hsb[1] += dS;
        hsb[2] += dB;
        return Color.getHSBColor(hsb[0] < 0 ? 0 : (hsb[0] > 1 ? 1 : hsb[0]),
                hsb[1] < 0 ? 0 : (hsb[1] > 1 ? 1 : hsb[1]), hsb[2] < 0 ? 0 : (hsb[2] > 1 ? 1 : hsb[2]));

    }
}