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
34 import java.awt.AWTException;
35 import java.awt.Color;
36 import java.awt.EventQueue;
37 import java.awt.Frame;
38 import java.awt.Graphics;
39 import java.awt.Graphics2D;
40 import java.awt.GraphicsConfiguration;
41 import java.awt.Insets;
42 import java.awt.Point;
43 import java.awt.Rectangle;
44 import java.awt.Robot;
45 import java.awt.event.WindowAdapter;
46 import java.awt.event.WindowEvent;
47 import java.awt.image.BufferedImage;
48 import java.awt.image.VolatileImage;
49 import java.io.File;
50 import java.io.IOException;
51 import javax.imageio.ImageIO;
52
53 public 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 }