Java examples for 2D Graphics:Color RGB
Color rgb To Normal RGB Color
/*//from w w w. jav a2s.co m * (C) Copyright 2000-2011, by Scott Preston and Preston Research LLC * * Project Info: http://www.scottsbots.com * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * */ import java.awt.Color; import java.awt.Image; import java.awt.Point; import java.awt.Toolkit; import java.awt.image.BufferedImage; import java.awt.image.renderable.ParameterBlock; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.util.ArrayList; import java.util.Arrays; import javax.imageio.ImageIO; import javax.media.jai.Histogram; import javax.media.jai.JAI; import javax.media.jai.PlanarImage; import com.scottsbots.core.utils.Utils; public class Main{ public static Color rgbToNormalRGB2(Color rgb) { int[] c = rgbToNormalRGB(rgb); return new Color(c[0], c[1], c[2]); } public static int[] rgbToNormalRGB(Color rgb) { double r = rgb.getRed(); double g = rgb.getGreen(); double b = rgb.getBlue(); double sum = r + g + b; // this would be all values between 0 and 1, but rather it's normalized // by mult 255 to it // will get scale from 0-255 for each color int nR = (int) ((r / sum) * 255); int nG = (int) ((g / sum) * 255); int nB = (int) ((b / sum) * 255); return new int[] { nR, nG, nB }; } }