1/*
2 * Copyright (c) 2005, 2012, 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
24import java.awt.AWTException;
25import java.awt.Color;
26import java.awt.Component;
27import java.awt.Dimension;
28import java.awt.Frame;
29import java.awt.Graphics;
30import java.awt.Point;
31import java.awt.Rectangle;
32import java.awt.Robot;
33import java.awt.Toolkit;
34import java.awt.image.BufferedImage;
35import java.awt.image.VolatileImage;
36
37/*
38 *
39 *
40 * Tests that the use of shared memory pixmaps isn't broken:
41 * create a VolatileImage, fill it with red color, copy it to the screen
42 * make sure the pixels on the screen are red.
43 *
44 * Note that we force the use of shared memory pixmaps in the shell script.
45 *
46 * @author Dmitri.Trembovetski
47 */
48
49public class SharedMemoryPixmapsTest {
50    static final int IMAGE_SIZE = 100;
51    static boolean show = false;
52    final Frame testFrame;
53    /** Creates a new instance of SharedMemoryPixmapsTest */
54    public SharedMemoryPixmapsTest() {
55        testFrame = new Frame("SharedMemoryPixmapsTest");
56        testFrame.add(new TestComponent());
57        testFrame.setUndecorated(true);
58        testFrame.setResizable(false);
59        testFrame.pack();
60        testFrame.setLocationRelativeTo(null);
61        testFrame.setVisible(true);
62        testFrame.toFront();
63    }
64
65    public static void main(String[] args) {
66        for (String s : args) {
67            if ("-show".equals(s)) {
68                show = true;
69            } else {
70                System.err.println("Usage: SharedMemoryPixmapsTest [-show]");
71            }
72        }
73        new SharedMemoryPixmapsTest();
74    }
75
76    private class TestComponent extends Component {
77        VolatileImage vi = null;
78        boolean tested = false;
79
80        void initVI() {
81            int res;
82            if (vi == null) {
83                res = VolatileImage.IMAGE_INCOMPATIBLE;
84            } else {
85                res = vi.validate(getGraphicsConfiguration());
86            }
87            if (res == VolatileImage.IMAGE_INCOMPATIBLE) {
88                if (vi != null) vi.flush();
89                vi = createVolatileImage(IMAGE_SIZE, IMAGE_SIZE);
90                vi.validate(getGraphicsConfiguration());
91                res = VolatileImage.IMAGE_RESTORED;
92            }
93            if (res == VolatileImage.IMAGE_RESTORED) {
94                Graphics vig = vi.getGraphics();
95                vig.setColor(Color.red);
96                vig.fillRect(0, 0, vi.getWidth(), vi.getHeight());
97                vig.dispose();
98            }
99        }
100
101        @Override
102        public synchronized void paint(Graphics g) {
103            do {
104                g.setColor(Color.green);
105                g.fillRect(0, 0, getWidth(), getHeight());
106
107                initVI();
108                g.drawImage(vi, 0, 0, null);
109            } while (vi.contentsLost());
110
111            Toolkit.getDefaultToolkit().sync();
112            if (!tested) {
113                if (testRendering()) {
114                    System.err.println("Test Passed");
115                } else {
116                    System.err.println("Test Failed");
117                }
118                tested = true;
119            }
120            if (!show) {
121                testFrame.setVisible(false);
122                testFrame.dispose();
123            }
124        }
125
126        private boolean testRendering() throws RuntimeException {
127            try {
128                Thread.sleep(2000);
129            } catch (InterruptedException ex) {}
130            Robot r = null;
131            try {
132                r = new Robot();
133            } catch (AWTException ex) {
134                ex.printStackTrace();
135                throw new RuntimeException("Can't create Robot");
136            }
137            Point p = getLocationOnScreen();
138            BufferedImage b =
139                r.createScreenCapture(new Rectangle(p, getPreferredSize()));
140            for (int y = 0; y < b.getHeight(); y++) {
141                for (int x = 0; x < b.getWidth(); x++) {
142                    if (b.getRGB(x, y) != Color.red.getRGB()) {
143                        System.err.println("Incorrect pixel" + " at "
144                            + x + "x" + y + " : " +
145                            Integer.toHexString(b.getRGB(x, y)));
146                        if (show) {
147                            return false;
148                        }
149                        System.err.println("Test Failed");
150                        System.exit(1);
151                    }
152                }
153            }
154            return true;
155        }
156
157        @Override
158        public Dimension getPreferredSize() {
159            return new Dimension(IMAGE_SIZE, IMAGE_SIZE);
160        }
161    }
162
163}
164