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/*
* Copyright (c) 2007, 2018, 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
* @key headful
* @bug 6630702 8198613
* @summary Tests that scrolling after paint() is performed correctly.
* This is really only applicable to Vista
* @author Dmitri.Trembovetski@sun.com: area=Graphics
* @run main/othervm SwingOnScreenScrollingTest
*/
import java.awt.AWTException;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Graphics;
import java.awt.GraphicsEnvironment;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.image.BufferedImage;
import java.io.File;
import java.lang.reflect.InvocationTargetException;
import javax.imageio.ImageIO;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
public class SwingOnScreenScrollingTest extends JPanel {
static JScrollPane pane;
static SwingOnScreenScrollingTest test;
public SwingOnScreenScrollingTest() {
}
public static void main(String[] args) {
int size = GraphicsEnvironment.
getLocalGraphicsEnvironment().
getDefaultScreenDevice().
getDefaultConfiguration().getColorModel().getPixelSize();
if (size < 16) {
System.err.println("<16 bit display mode detected. Test PASSED");
return;
}
final JFrame f = new JFrame("SwingOnScreenScrollingTest");
try {
EventQueue.invokeAndWait(new Runnable() {
public void run() {
test = new SwingOnScreenScrollingTest();
pane = new JScrollPane(test);
f.add(pane);
f.pack();
f.setSize(100, 200);
f.setVisible(true);
}
});
} catch (InvocationTargetException ex) {
ex.printStackTrace();
} catch (InterruptedException ex) {
ex.printStackTrace();
}
try {
Thread.sleep(500);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
EventQueue.invokeLater(new Runnable() {
public void run() {
BufferedImage bi;
bi = new BufferedImage(100, 300,
BufferedImage.TYPE_INT_RGB);
Graphics gg = bi.getGraphics();
test.paint(gg);
for (int y = 80; y < 200; y +=10) {
test.scrollRectToVisible(new Rectangle(0, y, 100, 100));
try {
Thread.sleep(200);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
}
Point p = pane.getViewport().getLocationOnScreen();
Robot r = null;
try {
r = new Robot();
} catch (AWTException ex) {
throw new RuntimeException(ex);
}
bi = r.createScreenCapture(new Rectangle(p.x+5, p.y+5, 30, 30));
for (int y = 0; y < bi.getHeight(); y++) {
for (int x = 0; x < bi.getHeight(); x++) {
int rgb = bi.getRGB(x, y);
if (bi.getRGB(x, y) != Color.red.getRGB()) {
System.err.printf("Test Failed at (%d,%d) c=0x%x\n",
x, y, rgb);
try {
String name =
"SwingOnScreenScrollingTest_out.png";
ImageIO.write(bi, "png", new File(name));
System.err.println("Wrote grabbed image to "+
name);
} catch (Throwable ex) {}
throw new RuntimeException("Test failed");
}
}
}
System.out.println("Test PASSED.");
f.dispose();
}
});
}
protected void paintComponent(Graphics g) {
g.setColor(Color.green);
g.fillRect(0, 0, getWidth(), 100);
g.setColor(Color.red);
g.fillRect(0, 100, getWidth(), getHeight()-100);
}
public Dimension getPreferredSize() {
return new Dimension(100, 300);
}
}
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