1 /*
2 * Copyright (c) 2014, 2016, 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 import java.awt.AlphaComposite;
25 import java.awt.Color;
26 import java.awt.Graphics2D;
27 import java.awt.GraphicsConfiguration;
28 import java.awt.GraphicsEnvironment;
29 import java.awt.Image;
30 import java.awt.image.BufferedImage;
31 import java.awt.image.DataBuffer;
32 import java.awt.image.DataBufferByte;
33 import java.awt.image.DataBufferInt;
34 import java.awt.image.DataBufferShort;
35 import java.awt.image.VolatileImage;
36 import java.io.File;
37 import java.io.IOException;
38
39 import javax.imageio.ImageIO;
40
41 import static java.awt.Transparency.*;
42 import static java.awt.image.BufferedImage.*;
43
44 /**
45 * @test
46 * @key headful
47 * @bug 8029253
48 * @summary Tests asymmetric source offsets when unmanaged image is drawn to VI.
49 * Results of the blit to compatibleImage are used for comparison.
50 * @author Sergey Bylokhov
51 */
52 public final class IncorrectUnmanagedImageSourceOffset {
53
54 private static final int[] TYPES = {TYPE_INT_RGB, TYPE_INT_ARGB,
55 TYPE_INT_ARGB_PRE, TYPE_INT_BGR,
56 TYPE_3BYTE_BGR, TYPE_4BYTE_ABGR,
57 TYPE_4BYTE_ABGR_PRE,
58 /*TYPE_USHORT_565_RGB,
59 TYPE_USHORT_555_RGB, TYPE_BYTE_GRAY,
60 TYPE_USHORT_GRAY,*/ TYPE_BYTE_BINARY,
61 TYPE_BYTE_INDEXED};
62 private static final int[] TRANSPARENCIES = {OPAQUE, BITMASK, TRANSLUCENT};
63
64 public static void main(final String[] args) throws IOException {
65 for (final int viType : TRANSPARENCIES) {
66 for (final int biType : TYPES) {
67 BufferedImage bi = makeUnmanagedBI(biType);
68 fill(bi);
69 test(bi, viType);
70 }
71 }
72 }
73
74 private static void test(BufferedImage bi, int type)
75 throws IOException {
76 GraphicsEnvironment ge = GraphicsEnvironment
77 .getLocalGraphicsEnvironment();
78 GraphicsConfiguration gc = ge.getDefaultScreenDevice()
79 .getDefaultConfiguration();
80 VolatileImage vi = gc.createCompatibleVolatileImage(511, 255, type);
81 BufferedImage gold = gc.createCompatibleImage(511, 255, type);
82 // draw to compatible Image
83 Graphics2D big = gold.createGraphics();
84 // force scaled blit
85 big.drawImage(bi, 7, 11, 127, 111, 7, 11, 127 * 2, 111, null);
86 big.dispose();
87 // draw to volatile image
88 BufferedImage snapshot;
89 while (true) {
90 vi.validate(gc);
91 if (vi.validate(gc) != VolatileImage.IMAGE_OK) {
92 try {
93 Thread.sleep(100);
94 } catch (final InterruptedException ignored) {
95 }
96 continue;
97 }
98 Graphics2D vig = vi.createGraphics();
99 // force scaled blit
100 vig.drawImage(bi, 7, 11, 127, 111, 7, 11, 127 * 2, 111, null);
101 vig.dispose();
102 snapshot = vi.getSnapshot();
103 if (vi.contentsLost()) {
104 try {
105 Thread.sleep(100);
106 } catch (final InterruptedException ignored) {
107 }
108 continue;
109 }
110 break;
111 }
112 // validate images
113 for (int x = 7; x < 127; ++x) {
114 for (int y = 11; y < 111; ++y) {
115 if (gold.getRGB(x, y) != snapshot.getRGB(x, y)) {
116 ImageIO.write(gold, "png", new File("gold.png"));
117 ImageIO.write(snapshot, "png", new File("bi.png"));
118 throw new RuntimeException("Test failed.");
119 }
120 }
121 }
122 }
123
124 private static BufferedImage makeUnmanagedBI(final int type) {
125 final BufferedImage bi = new BufferedImage(511, 255, type);
126 final DataBuffer db = bi.getRaster().getDataBuffer();
127 if (db instanceof DataBufferInt) {
128 ((DataBufferInt) db).getData();
129 } else if (db instanceof DataBufferShort) {
130 ((DataBufferShort) db).getData();
131 } else if (db instanceof DataBufferByte) {
132 ((DataBufferByte) db).getData();
133 } else {
134 try {
135 bi.setAccelerationPriority(0.0f);
136 } catch (final Throwable ignored) {
137 }
138 }
139 return bi;
140 }
141
142 private static void fill(final Image image) {
143 final Graphics2D graphics = (Graphics2D) image.getGraphics();
144 graphics.setComposite(AlphaComposite.Src);
145 for (int i = 0; i < image.getHeight(null); ++i) {
146 graphics.setColor(new Color(i, 0, 0));
147 graphics.fillRect(0, i, image.getWidth(null), 1);
148 }
149 graphics.dispose();
150 }
151 }