1 /*
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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
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7  * published by the Free Software Foundation.
8  *
9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
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17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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23 
24 /**
25  * @test
26  * @bug     6800846
27  *
28  * @summary Test verifes that images with short palette are rendered
29  *          withourt artifacts.
30  *
31  * @run     main DrawByteBinary
32  */
33 
34 
35 import java.awt.*;
36 import java.awt.color.*;
37 import java.awt.image.*;
38 import static java.awt.image.BufferedImage.*;
39 
40 
41 public class DrawByteBinary {
42 
main(String args[])43     public static void main(String args[]) {
44         int w = 100, h = 30;
45         int x = 10;
46         byte[] arr = {(byte)0xff, (byte)0x0, (byte)0x00};
47 
48         IndexColorModel newCM = new IndexColorModel(1, 2, arr, arr, arr);
49         BufferedImage orig = new BufferedImage(w, h, TYPE_BYTE_BINARY, newCM);
50         Graphics2D g2d = orig.createGraphics();
51         g2d.setColor(Color.white);
52         g2d.fillRect(0, 0, w, h);
53         g2d.setColor(Color.black);
54         g2d.drawLine(x, 0, x, h);
55         g2d.dispose();
56 
57         IndexColorModel origCM = (IndexColorModel)orig.getColorModel();
58         BufferedImage test = new BufferedImage(w, h, TYPE_BYTE_BINARY,origCM);
59         g2d = test.createGraphics();
60         g2d.drawImage(orig, 0, 0, null);
61         g2d.dispose();
62 
63         int y = h / 2;
64 
65         // we expect white color outside the line
66         if (test.getRGB(x - 1, y) != 0xffffffff) {
67             throw new RuntimeException("Invalid color outside the line.");
68         }
69 
70         // we expect black color on the line
71         if (test.getRGB(x, y) != 0xff000000) {
72             throw new RuntimeException("Invalid color on the line.");
73         }
74     }
75 }
76