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/*
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* Copyright 2007-2008 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/*
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* @test
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* @bug 6630702
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* @summary Tests that scrolling after paint() is performed correctly.
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* This is really only applicable to Vista
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* @author Dmitri.Trembovetski@sun.com: area=Graphics
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* @run main/othervm SwingOnScreenScrollingTest
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* run main/othervm -Dsun.java2d.opengl=True SwingOnScreenScrollingTest
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*/
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import java.awt.AWTException;
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import java.awt.Color;
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import java.awt.Dimension;
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import java.awt.EventQueue;
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import java.awt.Graphics;
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import java.awt.GraphicsEnvironment;
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import java.awt.Point;
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import java.awt.Rectangle;
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import java.awt.Robot;
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import java.awt.image.BufferedImage;
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import java.io.File;
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import java.lang.reflect.InvocationTargetException;
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import javax.imageio.ImageIO;
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import javax.swing.JFrame;
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import javax.swing.JPanel;
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import javax.swing.JScrollPane;
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public class SwingOnScreenScrollingTest extends JPanel {
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static JScrollPane pane;
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static SwingOnScreenScrollingTest test;
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public SwingOnScreenScrollingTest() {
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}
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public static void main(String[] args) {
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int size = GraphicsEnvironment.
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getLocalGraphicsEnvironment().
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getDefaultScreenDevice().
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getDefaultConfiguration().getColorModel().getPixelSize();
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if (size < 16) {
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System.err.println("<16 bit display mode detected. Test PASSED");
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return;
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}
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final JFrame f = new JFrame("SwingOnScreenScrollingTest");
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try {
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EventQueue.invokeAndWait(new Runnable() {
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public void run() {
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test = new SwingOnScreenScrollingTest();
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pane = new JScrollPane(test);
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f.add(pane);
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f.pack();
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f.setSize(100, 200);
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f.setVisible(true);
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}
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});
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} catch (InvocationTargetException ex) {
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ex.printStackTrace();
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} catch (InterruptedException ex) {
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ex.printStackTrace();
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}
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try {
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Thread.sleep(500);
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} catch (InterruptedException ex) {
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ex.printStackTrace();
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}
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EventQueue.invokeLater(new Runnable() {
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public void run() {
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BufferedImage bi;
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bi = new BufferedImage(100, 300,
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BufferedImage.TYPE_INT_RGB);
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Graphics gg = bi.getGraphics();
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test.paint(gg);
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for (int y = 80; y < 200; y +=10) {
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test.scrollRectToVisible(new Rectangle(0, y, 100, 100));
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try {
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Thread.sleep(200);
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} catch (InterruptedException ex) {
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ex.printStackTrace();
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}
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}
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Point p = pane.getViewport().getLocationOnScreen();
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Robot r = null;
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try {
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r = new Robot();
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} catch (AWTException ex) {
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throw new RuntimeException(ex);
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}
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bi = r.createScreenCapture(new Rectangle(p.x+5, p.y+5, 30, 30));
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for (int y = 0; y < bi.getHeight(); y++) {
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for (int x = 0; x < bi.getHeight(); x++) {
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int rgb = bi.getRGB(x, y);
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if (bi.getRGB(x, y) != Color.red.getRGB()) {
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System.err.printf("Test Failed at (%d,%d) c=0x%x\n",
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x, y, rgb);
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try {
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String name =
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"SwingOnScreenScrollingTest_out.png";
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ImageIO.write(bi, "png", new File(name));
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System.err.println("Wrote grabbed image to "+
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name);
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} catch (Throwable ex) {}
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throw new RuntimeException("Test failed");
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}
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}
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}
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System.out.println("Test PASSED.");
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f.dispose();
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}
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});
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}
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protected void paintComponent(Graphics g) {
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g.setColor(Color.green);
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g.fillRect(0, 0, getWidth(), 100);
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g.setColor(Color.red);
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g.fillRect(0, 100, getWidth(), getHeight()-100);
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}
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public Dimension getPreferredSize() {
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return new Dimension(100, 300);
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}
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}
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