Here you can find the source of setColor(BufferedImage image, int x, int y, int[] color, String colorModel)
public static void setColor(BufferedImage image, int x, int y, int[] color, String colorModel)
//package com.java2s; /*/* ww w.j a v a 2 s. co m*/ * The MIT License * * Copyright 2015 Ahmad Zaky. * * 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. */ import java.awt.color.ColorSpace; import java.awt.image.BufferedImage; import java.awt.image.WritableRaster; public class Main { private static ColorSpace iccInstance = null; public static void setColor(BufferedImage image, int x, int y, int[] color, String colorModel) { if (x < 0 || x >= image.getWidth() || y < 0 || y >= image.getHeight()) { return; } WritableRaster raster = image.getRaster(); switch (colorModel) { case "CMY": case "CMYK": float[] rgb = cmykToRgb(1F * color[0] / 255, 1F * color[1] / 255, 1F * color[2] / 255); for (int i = 0; i < 3; ++i) { raster.setSample(x, y, i, Math.round(rgb[i] * 255)); } break; case "RGB": default: for (int i = 0; i < 3; ++i) { raster.setSample(x, y, i, color[i]); } } // int rgb = image.getRGB(x, y); // int oldrgb = rgb; // rgb &= ~(0xFF << (k * 8)); // rgb |= color << (k * 8); // image.setRGB(x, y, rgb); } public static float[] cmykToRgb(float... cmyk) { if (cmyk.length != 4) { throw new IllegalArgumentException(); } float[] fromRGB = iccInstance.toRGB(cmyk); return fromRGB; } }