1 /* 2 * Copyright (c) 2007, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 package org.jemmy.image; 26 27 import org.jemmy.Point; 28 import java.awt.image.BufferedImage; 29 30 /** 31 * Performs "rough" image search. 32 * 33 * @author shura 34 */ 35 public class RoughImageFinder implements ImageFinder { 36 double roughness = .0; 37 int bigWidth, bigHeight; 38 int[][] bigPixels; 39 40 /** 41 * Creates an instance allowing to find an image inside the one 42 * passed as parameter with some "roughness". 43 * @param area - Image to search in. 44 * @param roughness - Allowed 45 */ 46 public RoughImageFinder(BufferedImage area, double roughness) { 47 this.roughness = roughness; 48 bigWidth = area.getWidth(); 49 bigHeight = area.getHeight(); 50 bigPixels = new int[bigWidth][bigHeight]; 51 for(int x = 0; x < bigWidth; x++) { 52 for(int y = 0; y < bigHeight; y++) { 53 bigPixels[x][y] = area.getRGB(x, y); 54 } 55 } 56 } 57 58 /** 59 * Performs "rough" search. 60 * @param image an image to search. 61 * @param index an ordinal image location index. 62 * @return Point where number of unmatching pixels less or equal to 63 * <code>image1.getWidth() * image1.getHeight() * roughness</code> 64 */ 65 public Point findImage(BufferedImage image, int index) { 66 int smallWidth = image.getWidth(); 67 int smallHeight = image.getHeight(); 68 int[][] smallPixels = new int[smallWidth][smallHeight]; 69 for(int x = 0; x < smallWidth; x++) { 70 for(int y = 0; y < smallHeight; y++) { 71 smallPixels[x][y] = image.getRGB(x, y); 72 } 73 } 74 double maxRoughPixels = (double)(smallWidth * smallHeight) * roughness; 75 int count = 0; 76 for(int X = 0; X <= bigWidth - smallWidth; X++) { 77 for(int Y = 0; Y <= bigHeight - smallHeight; Y++) { 78 int roughPixels = 0; 79 for(int x = 0; x < smallWidth; x++) { 80 for(int y = 0; y < smallHeight; y++) { 81 if(smallPixels[x][y] != bigPixels[X + x][Y + y]) { 82 roughPixels++; 83 if(roughPixels > maxRoughPixels) { 84 break; 85 } 86 } 87 } 88 if(roughPixels > maxRoughPixels) { 89 break; 90 } 91 } 92 if(roughPixels <= maxRoughPixels) { 93 if(count == index) { 94 return(new Point(X, Y)); 95 } 96 count++; 97 } 98 } 99 } 100 return(null); 101 } 102 }