887
|
1 |
/*
|
5506
|
2 |
* Copyright (c) 2007, 2008, Oracle and/or its affiliates. All rights reserved.
|
887
|
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 |
*
|
5506
|
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.
|
887
|
22 |
*/
|
|
23 |
|
|
24 |
/*
|
|
25 |
* @test
|
|
26 |
* @bug 6648018 6652662
|
|
27 |
* @summary Verifies that rendering to a cached onscreen Graphics works
|
|
28 |
* @author Dmitri.Trembovetski@sun.com: area=Graphics
|
|
29 |
* @run main/othervm RenderingToCachedGraphicsTest
|
|
30 |
* @run main/othervm -Dsun.java2d.d3d=false RenderingToCachedGraphicsTest
|
|
31 |
*/
|
|
32 |
import java.awt.Canvas;
|
|
33 |
import java.awt.Color;
|
|
34 |
import java.awt.Frame;
|
|
35 |
import java.awt.Graphics;
|
|
36 |
import java.awt.GraphicsEnvironment;
|
|
37 |
import java.awt.Point;
|
|
38 |
import java.awt.Rectangle;
|
|
39 |
import java.awt.Robot;
|
|
40 |
import java.awt.Toolkit;
|
|
41 |
import java.awt.event.WindowAdapter;
|
|
42 |
import java.awt.event.WindowEvent;
|
|
43 |
import java.awt.image.BufferStrategy;
|
|
44 |
import java.awt.image.BufferedImage;
|
|
45 |
import static java.awt.image.VolatileImage.*;
|
|
46 |
import java.awt.image.VolatileImage;
|
|
47 |
import java.io.File;
|
|
48 |
import java.util.concurrent.CountDownLatch;
|
|
49 |
import javax.imageio.ImageIO;
|
|
50 |
|
|
51 |
public class RenderingToCachedGraphicsTest extends Frame {
|
|
52 |
private static volatile boolean failed = false;
|
|
53 |
private static volatile CountDownLatch latch;
|
|
54 |
private Graphics cachedGraphics;
|
|
55 |
private Canvas renderCanvas;
|
|
56 |
|
|
57 |
public RenderingToCachedGraphicsTest() {
|
|
58 |
super("Test starts in 2 seconds");
|
|
59 |
renderCanvas = new Canvas() {
|
|
60 |
@Override
|
|
61 |
public void paint(Graphics g) {
|
|
62 |
if (getWidth() < 100 || getHeight() < 100) {
|
|
63 |
repaint();
|
|
64 |
return;
|
|
65 |
}
|
|
66 |
// wait for a bit so that Vista's Window manager's animation
|
|
67 |
// effects on window's appearance are completed (6652662)
|
|
68 |
try { Thread.sleep(2000); } catch (InterruptedException ex) {}
|
|
69 |
|
|
70 |
try {
|
|
71 |
runTest();
|
|
72 |
} catch (Throwable t) {
|
|
73 |
failed = true;
|
|
74 |
} finally {
|
|
75 |
latch.countDown();
|
|
76 |
}
|
|
77 |
}
|
|
78 |
@Override
|
|
79 |
public void update(Graphics g) {}
|
|
80 |
};
|
|
81 |
|
|
82 |
add("Center", renderCanvas);
|
|
83 |
}
|
|
84 |
|
|
85 |
private void runTest() {
|
|
86 |
// this will cause screen update manager to dump the accelerated surface
|
|
87 |
// for this canvas
|
|
88 |
renderCanvas.createBufferStrategy(2);
|
|
89 |
BufferStrategy bs = renderCanvas.getBufferStrategy();
|
|
90 |
do {
|
|
91 |
Graphics bsg = bs.getDrawGraphics();
|
|
92 |
bsg.setColor(Color.blue);
|
|
93 |
bsg.fillRect(0, 0,
|
|
94 |
renderCanvas.getWidth(), renderCanvas.getHeight());
|
|
95 |
} while (bs.contentsLost() || bs.contentsRestored());
|
|
96 |
|
|
97 |
// grab the "unaccelerated" onscreen surface
|
|
98 |
cachedGraphics = renderCanvas.getGraphics();
|
|
99 |
cachedGraphics.setColor(Color.red);
|
|
100 |
cachedGraphics.fillRect(0, 0, getWidth(), getHeight());
|
|
101 |
|
|
102 |
bs.dispose();
|
|
103 |
bs = null;
|
|
104 |
// now the update manager should be able to accelerate onscreen
|
|
105 |
// rendering to it again
|
|
106 |
|
|
107 |
cachedGraphics.setColor(Color.green);
|
|
108 |
// this causes restoration of the new accelerated onscreen surface
|
|
109 |
// (it is created in "lost" state)
|
|
110 |
cachedGraphics.fillRect(0, 0,
|
|
111 |
renderCanvas.getWidth(),
|
|
112 |
renderCanvas.getHeight());
|
|
113 |
Toolkit.getDefaultToolkit().sync();
|
|
114 |
// and now we should be able to render to it
|
|
115 |
cachedGraphics.fillRect(0, 0,
|
|
116 |
renderCanvas.getWidth(),
|
|
117 |
renderCanvas.getHeight());
|
|
118 |
Toolkit.getDefaultToolkit().sync();
|
|
119 |
|
|
120 |
Robot robot = null;
|
|
121 |
try {
|
|
122 |
robot = new Robot();
|
|
123 |
} catch (Exception e) {
|
|
124 |
e.printStackTrace();
|
|
125 |
failed = true;
|
|
126 |
return;
|
|
127 |
}
|
|
128 |
|
|
129 |
Point p = renderCanvas.getLocationOnScreen();
|
|
130 |
Rectangle r = new Rectangle(p.x, p.y,
|
|
131 |
renderCanvas.getWidth(),
|
|
132 |
renderCanvas.getHeight());
|
|
133 |
BufferedImage bi = robot.createScreenCapture(r);
|
|
134 |
for (int y = 0; y < bi.getHeight(); y++) {
|
|
135 |
for (int x = 0; x < bi.getWidth(); x++) {
|
|
136 |
if (bi.getRGB(x, y) != Color.green.getRGB()) {
|
|
137 |
System.err.println("Colors mismatch!");
|
|
138 |
String name = "RenderingToCachedGraphicsTest.png";
|
|
139 |
try {
|
|
140 |
ImageIO.write(bi, "png", new File(name));
|
|
141 |
System.err.println("Dumped grabbed image to: "+name);
|
|
142 |
} catch (Exception e) {}
|
|
143 |
failed = true;
|
|
144 |
return;
|
|
145 |
}
|
|
146 |
}
|
|
147 |
}
|
|
148 |
}
|
|
149 |
|
|
150 |
public static void main(String[] args) {
|
|
151 |
int depth = GraphicsEnvironment.getLocalGraphicsEnvironment().
|
|
152 |
getDefaultScreenDevice().getDefaultConfiguration().
|
|
153 |
getColorModel().getPixelSize();
|
|
154 |
if (depth < 16) {
|
|
155 |
System.out.println("Test PASSED (depth < 16bit)");
|
|
156 |
return;
|
|
157 |
}
|
|
158 |
|
|
159 |
latch = new CountDownLatch(1);
|
|
160 |
RenderingToCachedGraphicsTest t1 = new RenderingToCachedGraphicsTest();
|
|
161 |
t1.pack();
|
|
162 |
t1.setSize(300, 300);
|
|
163 |
t1.setVisible(true);
|
|
164 |
|
|
165 |
try { latch.await(); } catch (InterruptedException ex) {}
|
|
166 |
t1.dispose();
|
|
167 |
|
|
168 |
if (failed) {
|
|
169 |
throw new
|
|
170 |
RuntimeException("Failed: rendering didn't show up");
|
|
171 |
}
|
|
172 |
System.out.println("Test PASSED");
|
|
173 |
}
|
|
174 |
}
|