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.Rectangle;
31 import java.awt.Shape;
32 import java.awt.geom.AffineTransform;
33 import java.awt.geom.Ellipse2D;
34 import java.awt.image.BufferedImage;
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.geom.Rectangle2D.Double;
42
43 /**
44 * @test
45 * @key headful
46 * @bug 8041644 8044788
47 * @summary Tests drawing volatile image to BI using different clip.
48 * Results of the blit compatibleImage to BI used for comparison.
49 * @author Sergey Bylokhov
50 * @run main/othervm IncorrectClipSurface2SW
51 */
52 public final class IncorrectClipSurface2SW {
53
54 private static int[] SCALES = {1, 2, 4};
55 private static int[] SIZES = {127, 3, 2, 1};
56 private static final Shape[] SHAPES = {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 Ellipse2D.Double(0, 0, 1, 1),
63 new Ellipse2D.Double(0, 1, 1, 1),
64 new Ellipse2D.Double(1, 0, 1, 1),
65 new Ellipse2D.Double(1, 1, 1, 1),
66 new Ellipse2D.Double(.25, .25, .5,
67 .5),
68
69 new Double(0, 0, 0.5, 0.5),
70 new Double(0, 0.5, 0.5, 0.5),
71 new Double(0.5, 0, 0.5, 0.5),
72 new Double(0.5, 0.5, 0.5, 0.5),
73 new Double(0.25, 0.25, 0.5, 0.5),
74 new Double(0, 0.25, 1, 0.5),
75 new Double(0.25, 0, 0.5, 1),
76
77 new Double(.10, .10, .20, .20),
78 new Double(.75, .75, .20, .20),
79 new Double(.75, .10, .20, .20),
80 new Double(.10, .75, .20, .20),};
81
82 public static void main(final String[] args) throws IOException {
83 GraphicsEnvironment ge = GraphicsEnvironment
84 .getLocalGraphicsEnvironment();
85 GraphicsConfiguration gc = ge.getDefaultScreenDevice()
86 .getDefaultConfiguration();
87 AffineTransform at;
88 for (final int size : SIZES) {
89 for (final int scale : SCALES) {
90 final int sw = size * scale;
91 at = AffineTransform.getScaleInstance(sw, sw);
92 for (Shape clip : SHAPES) {
93 clip = at.createTransformedShape(clip);
94 for (Shape to : SHAPES) {
95 to = at.createTransformedShape(to);
96 // Prepare test images
97 VolatileImage vi = getVolatileImage(gc, size);
98 BufferedImage bi = getBufferedImage(sw);
99 // Prepare gold images
100 BufferedImage goldvi = getCompatibleImage(gc, size);
101 BufferedImage goldbi = getBufferedImage(sw);
102 draw(clip, to, vi, bi, scale);
103 draw(clip, to, goldvi, goldbi, scale);
104 validate(bi, goldbi);
105 }
106 }
107 }
108 }
109 }
110
111 private static void draw(Shape clip, Shape to, Image vi, BufferedImage bi,
112 int scale) {
113 Graphics2D big = bi.createGraphics();
114 big.setComposite(AlphaComposite.Src);
115 big.setClip(clip);
116 Rectangle toBounds = to.getBounds();
117 int x1 = toBounds.x;
118
119 int y1 = toBounds.y;
120 int x2 = x1 + toBounds.width;
121 int y2 = y1 + toBounds.height;
122 big.drawImage(vi, x1, y1, x2, y2, 0, 0, toBounds.width / scale,
123 toBounds.height / scale, null);
124 big.dispose();
125 vi.flush();
126 }
127
128 private static BufferedImage getBufferedImage(int sw) {
129 BufferedImage bi = new BufferedImage(sw, sw,
130 BufferedImage.TYPE_INT_ARGB);
131 Graphics2D g2d = bi.createGraphics();
132 g2d.setColor(Color.RED);
133 g2d.fillRect(0, 0, sw, sw);
134 return bi;
135 }
136
137 private static VolatileImage getVolatileImage(GraphicsConfiguration gc,
138 int size) {
139 VolatileImage vi = gc.createCompatibleVolatileImage(size, size);
140 Graphics2D g2d = vi.createGraphics();
141 g2d.setColor(Color.GREEN);
142 g2d.fillRect(0, 0, size, size);
143 return vi;
144 }
145
146 private static BufferedImage getCompatibleImage(GraphicsConfiguration gc,
147 int size) {
148 BufferedImage image = gc.createCompatibleImage(size, size);
149 Graphics2D g2d = image.createGraphics();
150 g2d.setColor(Color.GREEN);
151 g2d.fillRect(0, 0, size, size);
152 return image;
153 }
154
155 private static void validate(BufferedImage bi, BufferedImage goldbi)
156 throws IOException {
157 for (int x = 0; x < bi.getWidth(); ++x) {
158 for (int y = 0; y < bi.getHeight(); ++y) {
159 if (goldbi.getRGB(x, y) != bi.getRGB(x, y)) {
160 ImageIO.write(bi, "png", new File("actual.png"));
161 ImageIO.write(goldbi, "png", new File("expected.png"));
162 throw new RuntimeException("Test failed.");
163 }
164 }
165 }
166 }
167 }