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/*
* Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.awt.AWTException;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.image.BufferedImage;
import java.awt.image.VolatileImage;
/*
*
*
* Tests that the use of shared memory pixmaps isn't broken:
* create a VolatileImage, fill it with red color, copy it to the screen
* make sure the pixels on the screen are red.
*
* Note that we force the use of shared memory pixmaps in the shell script.
*
* @author Dmitri.Trembovetski
*/
public class SharedMemoryPixmapsTest {
static final int IMAGE_SIZE = 100;
static boolean show = false;
final Frame testFrame;
/** Creates a new instance of SharedMemoryPixmapsTest */
public SharedMemoryPixmapsTest() {
testFrame = new Frame("SharedMemoryPixmapsTest");
testFrame.add(new TestComponent());
testFrame.setUndecorated(true);
testFrame.setResizable(false);
testFrame.pack();
testFrame.setLocationRelativeTo(null);
testFrame.setVisible(true);
testFrame.toFront();
}
public static void main(String[] args) {
for (String s : args) {
if ("-show".equals(s)) {
show = true;
} else {
System.err.println("Usage: SharedMemoryPixmapsTest [-show]");
}
}
new SharedMemoryPixmapsTest();
}
private class TestComponent extends Component {
VolatileImage vi = null;
boolean tested = false;
void initVI() {
int res;
if (vi == null) {
res = VolatileImage.IMAGE_INCOMPATIBLE;
} else {
res = vi.validate(getGraphicsConfiguration());
}
if (res == VolatileImage.IMAGE_INCOMPATIBLE) {
if (vi != null) vi.flush();
vi = createVolatileImage(IMAGE_SIZE, IMAGE_SIZE);
vi.validate(getGraphicsConfiguration());
res = VolatileImage.IMAGE_RESTORED;
}
if (res == VolatileImage.IMAGE_RESTORED) {
Graphics vig = vi.getGraphics();
vig.setColor(Color.red);
vig.fillRect(0, 0, vi.getWidth(), vi.getHeight());
vig.dispose();
}
}
@Override
public synchronized void paint(Graphics g) {
do {
g.setColor(Color.green);
g.fillRect(0, 0, getWidth(), getHeight());
initVI();
g.drawImage(vi, 0, 0, null);
} while (vi.contentsLost());
Toolkit.getDefaultToolkit().sync();
if (!tested) {
if (testRendering()) {
System.err.println("Test Passed");
} else {
System.err.println("Test Failed");
}
tested = true;
}
if (!show) {
testFrame.setVisible(false);
testFrame.dispose();
}
}
private boolean testRendering() throws RuntimeException {
try {
Thread.sleep(2000);
} catch (InterruptedException ex) {}
Robot r = null;
try {
r = new Robot();
} catch (AWTException ex) {
ex.printStackTrace();
throw new RuntimeException("Can't create Robot");
}
Point p = getLocationOnScreen();
BufferedImage b =
r.createScreenCapture(new Rectangle(p, getPreferredSize()));
for (int y = 0; y < b.getHeight(); y++) {
for (int x = 0; x < b.getWidth(); x++) {
if (b.getRGB(x, y) != Color.red.getRGB()) {
System.err.println("Incorrect pixel" + " at "
+ x + "x" + y + " : " +
Integer.toHexString(b.getRGB(x, y)));
if (show) {
return false;
}
System.err.println("Test Failed");
System.exit(1);
}
}
}
return true;
}
@Override
public Dimension getPreferredSize() {
return new Dimension(IMAGE_SIZE, IMAGE_SIZE);
}
}
}
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