1 /*
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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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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.
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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
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19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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24  */
25 package org.netbeans.jemmy.image;
26 
27 import java.awt.Point;
28 import java.awt.image.BufferedImage;
29 
30 /**
31  * Performs "strict" (i.e. based on all pixels matching) image search.
32  *
33  * @author Alexandre Iline (alexandre.iline@oracle.com)
34  */
35 public class StrictImageFinder implements ImageFinder {
36 
37     int bigWidth, bigHeight;
38     int[][] bigPixels;
39 
40     /**
41      * Creates an instance searching subimages insige a parameter image.
42      *
43      * @param area - Image to search in.
44      */
StrictImageFinder(BufferedImage area)45     public StrictImageFinder(BufferedImage area) {
46         bigWidth = area.getWidth();
47         bigHeight = area.getHeight();
48         bigPixels = new int[bigWidth][bigHeight];
49         for (int x = 0; x < bigWidth; x++) {
50             for (int y = 0; y < bigHeight; y++) {
51                 bigPixels[x][y] = area.getRGB(x, y);
52             }
53         }
54     }
55 
56     /**
57      * Searchs for an image inside image passed into constructor.
58      *
59      * @param image an image to search.
60      * @param index an ordinal image location index. If equal to 1, for example,
61      * second appropriate location will be found.
62      * @return Left-up corner coordinates of image location.
63      */
64     @Override
findImage(BufferedImage image, int index)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         boolean good;
75         int count = 0;
76         for (int X = 0; X <= bigWidth - smallWidth; X++) {
77             for (int Y = 0; Y <= bigHeight - smallHeight; Y++) {
78                 good = true;
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                             good = false;
83                             break;
84                         }
85                     }
86                     if (!good) {
87                         break;
88                     }
89                 }
90                 if (good) {
91                     if (count == index) {
92                         return new Point(X, Y);
93                     }
94                     count++;
95                 }
96             }
97         }
98         return null;
99     }
100 }
101