OnScreenRenderingResizeTest.java revision 14851:980da45565c8 
1/*
2 * Copyright (c) 2007, 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 * @test
25 * @key headful
26 * @bug 6664068 6666931
27 * @summary Tests that resizing a window to which a tight loop is rendering
28 * doesn't produce artifacts or crashes
29 * @author Dmitri.Trembovetski@sun.com: area=Graphics
30 * @run main/othervm OnScreenRenderingResizeTest
31 * @run main/othervm -Dsun.java2d.d3d=false OnScreenRenderingResizeTest
32 */
33
34import java.awt.AWTException;
35import java.awt.Color;
36import java.awt.EventQueue;
37import java.awt.Frame;
38import java.awt.Graphics;
39import java.awt.Graphics2D;
40import java.awt.GraphicsConfiguration;
41import java.awt.Insets;
42import java.awt.Point;
43import java.awt.Rectangle;
44import java.awt.Robot;
45import java.awt.event.WindowAdapter;
46import java.awt.event.WindowEvent;
47import java.awt.image.BufferedImage;
48import java.awt.image.VolatileImage;
49import java.io.File;
50import java.io.IOException;
51import javax.imageio.ImageIO;
52
53public class OnScreenRenderingResizeTest {
54
55    private static volatile boolean done = false;
56    private static volatile boolean nocheck = false;
57
58    private static final int FRAME_W = 256;
59    private static final int FRAME_H = 256;
60    private static final int IMAGE_W = 128;
61    private static final int IMAGE_H = 128;
62    private static long RUN_TIME = 1000*20;
63
64    private static final Color renderColor = Color.green;
65    private static final Color bgColor = Color.white;
66
67    public static void main(String[] args) {
68
69        for (String arg : args) {
70            if ("-inf".equals(arg)) {
71                System.err.println("Test will run indefinitely");
72                RUN_TIME = Long.MAX_VALUE;
73            } else  if ("-nocheck".equals(arg)) {
74                System.err.println("Test will not check rendering results");
75                nocheck = true;
76            } else {
77                System.err.println("Usage: OnScreenRenderingResizeTest [-inf][-nocheck]");
78            }
79        }
80
81        BufferedImage output =
82            new BufferedImage(IMAGE_W, IMAGE_H, BufferedImage.TYPE_INT_RGB);
83        output.setAccelerationPriority(0.0f);
84        Graphics g = output.getGraphics();
85        g.setColor(renderColor);
86        g.fillRect(0, 0, output.getWidth(), output.getHeight());
87
88        final Frame frame = new Frame("OnScreenRenderingResizeTest") {
89            public void paint(Graphics g) {}
90            public void update(Graphics g) {}
91        };
92        frame.setBackground(bgColor);
93        frame.setUndecorated(true);
94        frame.pack();
95
96        GraphicsConfiguration gc = frame.getGraphicsConfiguration();
97        Rectangle gcBounds = gc.getBounds();
98        frame.setBounds(gcBounds.width / 4, gcBounds.height / 4, FRAME_W, FRAME_H);
99
100        frame.addWindowListener(new WindowAdapter() {
101            public void windowClosing(WindowEvent e) {
102                done = true;
103            }
104        });
105        try {
106            EventQueue.invokeAndWait(new Runnable() {
107                public void run() {
108                    frame.setVisible(true);
109                }
110            });
111            // wait for Vista's effects to complete
112            Thread.sleep(2000);
113        } catch (Exception ex) {
114            ex.printStackTrace();
115        }
116
117        int maxW = gcBounds.width /2;
118        int maxH = gcBounds.height/2;
119        int minW = frame.getWidth();
120        int minH = frame.getHeight();
121        int incW = 10, incH = 10, cnt = 0;
122        Robot robot = null;
123        if (!nocheck && gc.getColorModel().getPixelSize() > 8) {
124            try {
125                robot = new Robot();
126            } catch (AWTException ex) {
127                System.err.println("Robot creation failed, continuing.");
128            }
129        } else {
130            System.err.println("No screen rendering checks.");
131        }
132
133        VolatileImage vi = gc.createCompatibleVolatileImage(512, 512);
134        vi.validate(gc);
135
136        long timeStarted = System.currentTimeMillis();
137        while (!done && (System.currentTimeMillis() - timeStarted) < RUN_TIME) {
138
139            if (++cnt > 100) {
140                int w = frame.getWidth() + incW;
141                int h = frame.getHeight() + incH;
142                if (w < minW || w > maxW ) {
143                    incW = -incW;
144                }
145                if (h < minH || h > maxH ) {
146                    incH = -incH;
147                }
148                frame.setSize(w, h);
149                cnt = 0;
150            }
151
152            // try to put the device into non-default state, for example,
153            // this operation below will set the transform
154            vi.validate(gc);
155            Graphics2D vig = (Graphics2D)vi.getGraphics();
156            vig.rotate(30.0f, vi.getWidth()/2, vi.getHeight()/2);
157            vig.drawImage(output, 0, 0,
158                          vi.getWidth(), vi.getHeight(), null);
159
160            Insets in = frame.getInsets();
161            frame.getGraphics().drawImage(output, in.left, in.top, null);
162            if (cnt == 90 && robot != null) {
163                robot.waitForIdle();
164                // area where we blitted to should be either white or green
165                Point p = frame.getLocationOnScreen();
166                p.translate(in.left+10, in.top+10);
167                BufferedImage bi =
168                    robot.createScreenCapture(
169                        new Rectangle(p.x, p.y, IMAGE_W/2, IMAGE_H/2));
170                int accepted1[] = { Color.white.getRGB(), Color.green.getRGB()};
171                checkBI(bi, accepted1);
172
173                // the are where we didn't render should stay white
174                p = frame.getLocationOnScreen();
175                p.translate(in.left, in.top+IMAGE_H+5);
176                bi = robot.createScreenCapture(
177                    new Rectangle(p.x, p.y,
178                                  frame.getWidth()-in.left-in.right,
179                                  frame.getHeight()-in.top-in.bottom-5-IMAGE_H));
180                int accepted2[] = { Color.white.getRGB() };
181                checkBI(bi, accepted2);
182            }
183
184            Thread.yield();
185        }
186        frame.dispose();
187        System.out.println("Test Passed");
188    }
189
190    private static void checkBI(BufferedImage bi, int accepted[]) {
191        for (int x = 0; x < bi.getWidth(); x++) {
192            for (int y = 0; y < bi.getHeight(); y++) {
193                int pix = bi.getRGB(x, y);
194                boolean found = false;
195                for (int acc : accepted) {
196                    if (pix == acc) {
197                        found = true;
198                        break;
199                    }
200                }
201                if (!found) {
202                    try {
203                        String name = "OnScreenRenderingResizeTest.png";
204                        ImageIO.write(bi, "png", new File(name));
205                        System.out.println("Screen shot file: " + name);
206                    } catch (IOException ex) {}
207
208                    throw new
209                        RuntimeException("Test failed at " + x + "-" + y +
210                                         " rgb=0x" + Integer.toHexString(pix));
211                }
212            }
213        }
214    }
215}
216