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/*
* Copyright (c) 2007, 2010, 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.
*/
/*
* @test
* @bug 6664068 6666931
* @summary Tests that resizing a window to which a tight loop is rendering
* doesn't produce artifacts or crashes
* @author Dmitri.Trembovetski@sun.com: area=Graphics
* @run main/othervm OnScreenRenderingResizeTest
* @run main/othervm -Dsun.java2d.d3d=false OnScreenRenderingResizeTest
*/
import java.awt.AWTException;
import java.awt.Color;
import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GraphicsConfiguration;
import java.awt.Insets;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.image.BufferedImage;
import java.awt.image.VolatileImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
public class OnScreenRenderingResizeTest {
private static volatile boolean done = false;
private static volatile boolean nocheck = false;
private static final int FRAME_W = 256;
private static final int FRAME_H = 256;
private static final int IMAGE_W = 128;
private static final int IMAGE_H = 128;
private static long RUN_TIME = 1000*20;
private static final Color renderColor = Color.green;
private static final Color bgColor = Color.white;
public static void main(String[] args) {
for (String arg : args) {
if ("-inf".equals(arg)) {
System.err.println("Test will run indefinitely");
RUN_TIME = Long.MAX_VALUE;
} else if ("-nocheck".equals(arg)) {
System.err.println("Test will not check rendering results");
nocheck = true;
} else {
System.err.println("Usage: OnScreenRenderingResizeTest [-inf][-nocheck]");
}
}
BufferedImage output =
new BufferedImage(IMAGE_W, IMAGE_H, BufferedImage.TYPE_INT_RGB);
output.setAccelerationPriority(0.0f);
Graphics g = output.getGraphics();
g.setColor(renderColor);
g.fillRect(0, 0, output.getWidth(), output.getHeight());
final Frame frame = new Frame("OnScreenRenderingResizeTest") {
public void paint(Graphics g) {}
public void update(Graphics g) {}
};
frame.setBackground(bgColor);
frame.pack();
frame.setSize(FRAME_W, FRAME_H);
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
done = true;
}
});
try {
EventQueue.invokeAndWait(new Runnable() {
public void run() {
frame.setVisible(true);
}
});
// wait for Vista's effects to complete
Thread.sleep(2000);
} catch (Exception ex) {
ex.printStackTrace();
}
GraphicsConfiguration gc = frame.getGraphicsConfiguration();
int maxW = gc.getBounds().width /2;
int maxH = gc.getBounds().height/2;
int minW = frame.getWidth();
int minH = frame.getHeight();
int incW = 10, incH = 10, cnt = 0;
Robot robot = null;
if (!nocheck && gc.getColorModel().getPixelSize() > 8) {
try {
robot = new Robot();
} catch (AWTException ex) {
System.err.println("Robot creation failed, continuing.");
}
} else {
System.err.println("No screen rendering checks.");
}
VolatileImage vi = gc.createCompatibleVolatileImage(512, 512);
vi.validate(gc);
long timeStarted = System.currentTimeMillis();
while (!done && (System.currentTimeMillis() - timeStarted) < RUN_TIME) {
if (++cnt > 100) {
int w = frame.getWidth() + incW;
int h = frame.getHeight() + incH;
if (w < minW || w > maxW ) {
incW = -incW;
}
if (h < minH || h > maxH ) {
incH = -incH;
}
frame.setSize(w, h);
cnt = 0;
}
// try to put the device into non-default state, for example,
// this operation below will set the transform
vi.validate(gc);
Graphics2D vig = (Graphics2D)vi.getGraphics();
vig.rotate(30.0f, vi.getWidth()/2, vi.getHeight()/2);
vig.drawImage(output, 0, 0,
vi.getWidth(), vi.getHeight(), null);
Insets in = frame.getInsets();
frame.getGraphics().drawImage(output, in.left, in.top, null);
if (cnt == 90 && robot != null) {
// area where we blitted to should be either white or green
Point p = frame.getLocationOnScreen();
p.translate(in.left+10, in.top+10);
BufferedImage bi =
robot.createScreenCapture(
new Rectangle(p.x, p.y, IMAGE_W/2, IMAGE_H/2));
int accepted1[] = { Color.white.getRGB(), Color.green.getRGB()};
checkBI(bi, accepted1);
// the are where we didn't render should stay white
p = frame.getLocationOnScreen();
p.translate(in.left, in.top+IMAGE_H+5);
bi = robot.createScreenCapture(
new Rectangle(p.x, p.y,
frame.getWidth()-in.left-in.right,
frame.getHeight()-in.top-in.bottom-5-IMAGE_H));
int accepted2[] = { Color.white.getRGB() };
checkBI(bi, accepted1);
}
Thread.yield();
}
frame.dispose();
System.out.println("Test Passed");
}
private static void checkBI(BufferedImage bi, int accepted[]) {
for (int x = 0; x < bi.getWidth(); x++) {
for (int y = 0; y < bi.getHeight(); y++) {
int pix = bi.getRGB(x, y);
boolean found = false;
for (int acc : accepted) {
if (pix == acc) {
found = true;
break;
}
}
if (!found) {
try {
String name = "OnScreenRenderingResizeTest.png";
ImageIO.write(bi, "png", new File(name));
System.out.println("Screen shot file: " + name);
} catch (IOException ex) {}
throw new
RuntimeException("Test failed at " + x + "-" + y +
" rgb=0x" + Integer.toHexString(pix));
}
}
}
}
}
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