1 /*
2 * Copyright (c) 2007, 2008, Oracle and/or its affiliates. All rights reserved.
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 *
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.
22 */
23 /*
24 * @test
25 * @bug 6630702
26 * @summary Tests that scrolling after paint() is performed correctly.
27 * This is really only applicable to Vista
28 * @author Dmitri.Trembovetski@sun.com: area=Graphics
29 * @run main/othervm SwingOnScreenScrollingTest
30 * run main/othervm -Dsun.java2d.opengl=True SwingOnScreenScrollingTest
31 */
32
33 import java.awt.AWTException;
34 import java.awt.Color;
35 import java.awt.Dimension;
36 import java.awt.EventQueue;
37 import java.awt.Graphics;
38 import java.awt.GraphicsEnvironment;
39 import java.awt.Point;
40 import java.awt.Rectangle;
41 import java.awt.Robot;
42 import java.awt.image.BufferedImage;
43 import java.io.File;
44 import java.lang.reflect.InvocationTargetException;
45 import javax.imageio.ImageIO;
46 import javax.swing.JFrame;
47 import javax.swing.JPanel;
48 import javax.swing.JScrollPane;
49
50 public class SwingOnScreenScrollingTest extends JPanel {
51
52 static JScrollPane pane;
53 static SwingOnScreenScrollingTest test;
54
55 public SwingOnScreenScrollingTest() {
56 }
57
58 public static void main(String[] args) {
59 int size = GraphicsEnvironment.
60 getLocalGraphicsEnvironment().
61 getDefaultScreenDevice().
62 getDefaultConfiguration().getColorModel().getPixelSize();
63 if (size < 16) {
64 System.err.println("<16 bit display mode detected. Test PASSED");
65 return;
66 }
67
68 final JFrame f = new JFrame("SwingOnScreenScrollingTest");
69 try {
70 EventQueue.invokeAndWait(new Runnable() {
71 public void run() {
72 test = new SwingOnScreenScrollingTest();
73 pane = new JScrollPane(test);
74 f.add(pane);
75 f.pack();
76 f.setSize(100, 200);
77 f.setVisible(true);
78 }
79 });
80 } catch (InvocationTargetException ex) {
81 ex.printStackTrace();
82 } catch (InterruptedException ex) {
83 ex.printStackTrace();
84 }
85 try {
86 Thread.sleep(500);
87 } catch (InterruptedException ex) {
88 ex.printStackTrace();
89 }
90 EventQueue.invokeLater(new Runnable() {
91 public void run() {
92 BufferedImage bi;
93 bi = new BufferedImage(100, 300,
94 BufferedImage.TYPE_INT_RGB);
95 Graphics gg = bi.getGraphics();
96 test.paint(gg);
97 for (int y = 80; y < 200; y +=10) {
98 test.scrollRectToVisible(new Rectangle(0, y, 100, 100));
99 try {
100 Thread.sleep(200);
101 } catch (InterruptedException ex) {
102 ex.printStackTrace();
103 }
104 }
105 Point p = pane.getViewport().getLocationOnScreen();
106 Robot r = null;
107 try {
108 r = new Robot();
109 } catch (AWTException ex) {
110 throw new RuntimeException(ex);
111 }
112 bi = r.createScreenCapture(new Rectangle(p.x+5, p.y+5, 30, 30));
113 for (int y = 0; y < bi.getHeight(); y++) {
114 for (int x = 0; x < bi.getHeight(); x++) {
115 int rgb = bi.getRGB(x, y);
116 if (bi.getRGB(x, y) != Color.red.getRGB()) {
117 System.err.printf("Test Failed at (%d,%d) c=0x%x\n",
118 x, y, rgb);
119 try {
120 String name =
121 "SwingOnScreenScrollingTest_out.png";
122 ImageIO.write(bi, "png", new File(name));
123 System.err.println("Wrote grabbed image to "+
124 name);
125 } catch (Throwable ex) {}
126 throw new RuntimeException("Test failed");
127 }
128 }
129 }
130 System.out.println("Test PASSED.");
131 f.dispose();
132 }
133 });
134 }
135
136 protected void paintComponent(Graphics g) {
137 g.setColor(Color.green);
138 g.fillRect(0, 0, getWidth(), 100);
139 g.setColor(Color.red);
140 g.fillRect(0, 100, getWidth(), getHeight()-100);
141 }
142
143 public Dimension getPreferredSize() {
144 return new Dimension(100, 300);
145 }
146 }