Java tutorial
//package com.java2s; /* * Copyright (c) 2014 tabletoptool.com team. * All rights reserved. This program and the accompanying materials * are made available under the terms of the GNU Public License v3.0 * which accompanies this distribution, and is available at * http://www.gnu.org/licenses/gpl.html * * Contributors: * rptools.com team - initial implementation * tabletoptool.com team - further development */ import java.awt.image.BufferedImage; public class Main { public static BufferedImage replaceColor(BufferedImage src, int sourceRGB, int replaceRGB) { for (int y = 0; y < src.getHeight(); y++) { for (int x = 0; x < src.getWidth(); x++) { int rawRGB = src.getRGB(x, y); int rgb = rawRGB & 0xffffff; int alpha = rawRGB & 0xff000000; if (rgb == sourceRGB) { src.setRGB(x, y, alpha | replaceRGB); } } } return src; } }