Java tutorial
//package com.java2s; /***************************************************************************** ** ANGRYBIRDS AI AGENT FRAMEWORK ** Copyright (c) 2013,XiaoYu (Gary) Ge, Stephen Gould,Jochen Renz ** Sahan Abeyasinghe, Jim Keys, Kar-Wai Lim, Zain Mubashir, Andrew Wang, Peng Zhang ** All rights reserved. **This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. **To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/3.0/ *or send a letter to Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA. *****************************************************************************/ import java.awt.*; import java.awt.image.*; public class Main { public static BufferedImage highlightRegions(Image img, int[][] regions, int regionId, Color fgColour) { BufferedImage canvas = new BufferedImage(img.getWidth(null), img.getHeight(null), BufferedImage.TYPE_INT_ARGB); Graphics2D g2d = canvas.createGraphics(); g2d.drawImage(img, 0, 0, null); g2d.setColor(fgColour); for (int y = 0; y < regions.length; y++) { for (int x = 0; x < regions[y].length; x++) { if (regions[y][x] == regionId) { g2d.drawRect(x, y, 1, 1); } } } return canvas; } }