1 /*
2 * Copyright (c) 2003, 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.
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
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @bug 4892214
27 * @summary Test checks that colors are not changed by the writing/reading in
28 * the BMP format for TYPE_INT_BGR and TYPE_USHORT_555_RGB buffered
29 * images
30 */
31
32 import java.awt.Color;
33 import java.awt.Dimension;
34 import java.awt.Graphics;
35 import java.awt.Graphics2D;
36 import java.awt.image.BufferedImage;
37 import java.io.ByteArrayInputStream;
38 import java.io.ByteArrayOutputStream;
39 import java.io.IOException;
40
41 import javax.imageio.ImageIO;
42 import javax.imageio.ImageWriter;
43 import javax.imageio.stream.ImageOutputStream;
44 import javax.swing.JComponent;
45 import javax.swing.JFrame;
46
47 public class WritingColorChangeTest {
48 private static int width = 100;
49 private static int height = 100;
50 private static Color color = new Color(0x10, 0x20, 0x30);
51
52 static int bufferedImageType[] = {
53 BufferedImage.TYPE_USHORT_565_RGB,
54 BufferedImage.TYPE_INT_BGR,
55 BufferedImage.TYPE_INT_RGB,
56 BufferedImage.TYPE_USHORT_555_RGB,
57 };
58
59 static String bufferedImageStringType[] = {
60 "BufferedImage.TYPE_USHORT_565_RGB",
61 "BufferedImage.TYPE_INT_BGR",
62 "BufferedImage.TYPE_INT_RGB",
63 "BufferedImage.TYPE_USHORT_555_RGB",
64 };
65 private static String writingFormat = "BMP";
66 private static ImageWriter writer = (ImageWriter)ImageIO.getImageWritersByFormatName(writingFormat).next();
67 private int type;
68
69 public static void main(String[] args) {
70
71 //int i = 7; //3; //7;
72 for(int i=0; i<bufferedImageType.length; i++) {
73 System.out.println("\n\nTest for type " + bufferedImageStringType[i]);
74
75 WritingColorChangeTest t1 = new WritingColorChangeTest(bufferedImageType[i]);
76 t1.doTest();
77
78 }
79 }
80
81 private WritingColorChangeTest(int type) {
82 this.type = type;
83 }
84
85 private void doTest() {
86 BufferedImage src = createTestImage(type);
87 System.out.println("Sample model is " + src.getSampleModel());
88
89 BufferedImage dst = doModification(src);
90
91 Object dstPixel = dst.getRaster().getDataElements(width/2, height/2, null);
92 Object srcPixel = src.getRaster().getDataElements(width/2, height/2, null);
93
94 if (src.getType() == BufferedImage.TYPE_USHORT_555_RGB ||
95 src.getType() == BufferedImage.TYPE_USHORT_565_RGB ) {
96
97 Color cmpColor = new Color(dst.getColorModel().getRed(dstPixel),
98 dst.getColorModel().getGreen(dstPixel),
99 dst.getColorModel().getBlue(dstPixel));
100 BufferedImage cmp = createTestImage(src.getType(), cmpColor);
101
102 Object cmpPixel = cmp.getRaster().getDataElements(width/2, height/2, null);
103
104 dst = cmp;
105 dstPixel = cmpPixel;
106 }
107
108 if ( (src.getColorModel().getRed(srcPixel) != dst.getColorModel().getRed(dstPixel)) ||
109 (src.getColorModel().getGreen(srcPixel) != dst.getColorModel().getGreen(dstPixel)) ||
110 (src.getColorModel().getBlue(srcPixel) != dst.getColorModel().getBlue(dstPixel)) ||
111 (src.getColorModel().getAlpha(srcPixel) != dst.getColorModel().getAlpha(dstPixel)) ) {
112
113 showPixel(src, width/2, height/2);
114 showPixel(dst, width/2, height/2);
115
116 showRes(dst, src);
117 throw new RuntimeException(
118 "Colors are different: " +
119 Integer.toHexString(src.getColorModel().getRGB(srcPixel)) + " and " +
120 Integer.toHexString(dst.getColorModel().getRGB(dstPixel)));
121 }
122 }
123
124 private BufferedImage doModification(BufferedImage src) {
125 try {
126 BufferedImage dst = null;
127 if (!writer.getOriginatingProvider().canEncodeImage(src)) {
128 throw new RuntimeException(writingFormat+" writer does not support the image type "+type);
129 }
130 System.out.println(writingFormat+" writer claims it can encode the image "+type);
131 ByteArrayOutputStream baos = new ByteArrayOutputStream();
132 ImageOutputStream ios = ImageIO.createImageOutputStream(baos);
133 writer.setOutput(ios);
134 writer.write(src);
135 ios.close();
136 baos.close();
137
138 ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
139 dst = ImageIO.read(bais);
140 return dst;
141 } catch (IOException e) {
142 throw new RuntimeException(e);
143 }
144 }
145
146 private static void showPixel(BufferedImage src, int x, int y) {
147 System.out.println("Img is " + src);
148 Object p = src.getRaster().getDataElements(x, y, null);
149 System.out.println("RGB: " +
150 Integer.toHexString(src.getColorModel().getRGB(p)));
151 System.out.println("Red: " +
152 Integer.toHexString(src.getColorModel().getRed(p)));
153 System.out.println("Green: " +
154 Integer.toHexString(src.getColorModel().getGreen(p)));
155 System.out.println("Blue: " +
156 Integer.toHexString(src.getColorModel().getBlue(p)));
157 System.out.println("Alpha: " +
158 Integer.toHexString(src.getColorModel().getAlpha(p)));
159 }
160
161 private static BufferedImage createTestImage(int type) {
162 return createTestImage(type, color);
163 }
164
165 private static BufferedImage createTestImage(int type, Color c) {
166 BufferedImage i = new BufferedImage(width, height,
167 type);
168 Graphics2D g = i.createGraphics();
169
170 g.setColor(c);
171 g.fillRect(0, 0, width, height);
172
173 return i;
174 }
175
176 private static void showRes(final BufferedImage src, final BufferedImage dst) {
177 final int w = src.getWidth()+ dst.getWidth();
178 final int h = Math.max(src.getHeight(), dst.getHeight());
179
180 JFrame f = new JFrame("Test results");
181 f.getContentPane().add( new JComponent() {
182 public Dimension getPreferredSize() {
183 return new Dimension(w,h);
184 }
185
186 public void paintComponent(Graphics g) {
187 g.drawImage(src,0,0, null);
188 g.drawImage(dst, src.getWidth(),0, null);
189 }
190 });
191 f.pack();
192 f.setVisible(true);
193 }
194 }