1 /*
2 * Copyright (c) 2014, 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.Color;
25 import java.awt.Graphics2D;
26 import java.awt.GraphicsConfiguration;
27 import java.awt.GraphicsEnvironment;
28 import java.awt.Image;
29 import java.awt.Rectangle;
30 import java.awt.Shape;
31 import java.awt.geom.AffineTransform;
32 import java.awt.image.BufferedImage;
33 import java.awt.image.DataBuffer;
34 import java.awt.image.DataBufferByte;
35 import java.awt.image.DataBufferInt;
36 import java.awt.image.DataBufferShort;
37 import java.awt.image.VolatileImage;
38 import java.io.File;
39 import java.io.IOException;
40
41 import javax.imageio.ImageIO;
42
43 import static java.awt.geom.Rectangle2D.Double;
44
45 /**
46 * @test
47 * @bug 8061456
48 * @summary Tests drawing BI to volatile image using different clips + xor mode.
49 * Results of the blit BI to compatibleImage is used for comparison.
50 * @author Sergey Bylokhov
51 */
52 public final class IncorrectClipXorModeSW2Surface {
53
54 private static int[] SIZES = {2, 10, 100};
55 private static final Shape[] SHAPES = {
56 new Rectangle(0, 0, 0, 0),
57 new Rectangle(0, 0, 1, 1),
58 new Rectangle(0, 1, 1, 1),
59 new Rectangle(1, 0, 1, 1),
60 new Rectangle(1, 1, 1, 1),
61
62 new Double(0, 0, 0.5, 0.5),
63 new Double(0, 0.5, 0.5, 0.5),
64 new Double(0.5, 0, 0.5, 0.5),
65 new Double(0.5, 0.5, 0.5, 0.5),
66 new Double(0.25, 0.25, 0.5, 0.5),
67 new Double(0, 0.25, 1, 0.5),
68 new Double(0.25, 0, 0.5, 1),
69
70 new Double(.10, .10, .20, .20),
71 new Double(.75, .75, .20, .20),
72 new Double(.75, .10, .20, .20),
73 new Double(.10, .75, .20, .20),
74 };
75
76 public static void main(final String[] args) throws IOException {
77 GraphicsEnvironment ge = GraphicsEnvironment
78 .getLocalGraphicsEnvironment();
79 GraphicsConfiguration gc = ge.getDefaultScreenDevice()
80 .getDefaultConfiguration();
81 AffineTransform at;
82 for (int size : SIZES) {
83 at = AffineTransform.getScaleInstance(size, size);
84 for (Shape clip : SHAPES) {
85 clip = at.createTransformedShape(clip);
86 for (Shape to : SHAPES) {
87 to = at.createTransformedShape(to);
88 // Prepare test images
89 BufferedImage snapshot;
90 BufferedImage bi = getBufferedImage(size);
91 VolatileImage vi = getVolatileImage(gc, size);
92 while (true) {
93 vi.validate(gc);
94 Graphics2D g2d = vi.createGraphics();
95 g2d.setColor(Color.GREEN);
96 g2d.fillRect(0, 0, size, size);
97 g2d.dispose();
98 if (vi.validate(gc) != VolatileImage.IMAGE_OK) {
99 continue;
100 }
101 draw(clip, to, bi, vi);
102 snapshot = vi.getSnapshot();
103 if (vi.contentsLost()) {
104 continue;
105 }
106 break;
107 }
108 // Prepare gold images
109 BufferedImage goldvi = getCompatibleImage(gc, size);
110 BufferedImage goldbi = getBufferedImage(size);
111 draw(clip, to, goldbi, goldvi);
112 validate(snapshot, goldvi);
113 vi.flush();
114 }
115 }
116 }
117 }
118
119 private static void draw(Shape clip, Shape shape, Image from, Image to) {
120 Graphics2D g2d = (Graphics2D) to.getGraphics();
121 g2d.setXORMode(Color.BLACK);
122 g2d.setClip(clip);
123 Rectangle toBounds = shape.getBounds();
124 g2d.drawImage(from, toBounds.x, toBounds.y, toBounds.width,
125 toBounds.height, null);
126 g2d.dispose();
127 }
128
129 private static BufferedImage getBufferedImage(int sw) {
130 final BufferedImage bi = new BufferedImage(sw, sw, BufferedImage.TYPE_INT_ARGB);
131 Graphics2D g2d = bi.createGraphics();
132 g2d.setColor(Color.RED);
133 g2d.fillRect(0, 0, sw, sw);
134 g2d.dispose();
135
136 final DataBuffer db = bi.getRaster().getDataBuffer();
137 if (db instanceof DataBufferInt) {
138 ((DataBufferInt) db).getData();
139 } else if (db instanceof DataBufferShort) {
140 ((DataBufferShort) db).getData();
141 } else if (db instanceof DataBufferByte) {
142 ((DataBufferByte) db).getData();
143 } else {
144 try {
145 bi.setAccelerationPriority(0.0f);
146 } catch (final Throwable ignored) {
147 }
148 }
149 return bi;
150 }
151
152 private static VolatileImage getVolatileImage(GraphicsConfiguration gc,
153 int size) {
154 return gc.createCompatibleVolatileImage(size, size);
155 }
156
157 private static BufferedImage getCompatibleImage(GraphicsConfiguration gc,
158 int size) {
159 BufferedImage image = gc.createCompatibleImage(size, size);
160 Graphics2D g2d = image.createGraphics();
161 g2d.setColor(Color.GREEN);
162 g2d.fillRect(0, 0, size, size);
163 g2d.dispose();
164 return image;
165 }
166
167 private static void validate(BufferedImage bi, BufferedImage goldbi)
168 throws IOException {
169 for (int x = 0; x < bi.getWidth(); ++x) {
170 for (int y = 0; y < bi.getHeight(); ++y) {
171 if (goldbi.getRGB(x, y) != bi.getRGB(x, y)) {
172 ImageIO.write(bi, "png", new File("actual.png"));
173 ImageIO.write(goldbi, "png", new File("expected.png"));
174 throw new RuntimeException("Test failed.");
175 }
176 }
177 }
178 }
179 }