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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
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* 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]));
}
}
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