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