1 /*
2 * Copyright (c) 2007, 2016, 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 * @key headful
26 * @bug 6630702
27 * @summary Tests that scrolling after paint() is performed correctly.
28 * This is really only applicable to Vista
29 * @author Dmitri.Trembovetski@sun.com: area=Graphics
30 * @run main/othervm SwingOnScreenScrollingTest
31 * run main/othervm -Dsun.java2d.opengl=True SwingOnScreenScrollingTest
32 */
33
34 import java.awt.AWTException;
35 import java.awt.Color;
36 import java.awt.Dimension;
37 import java.awt.EventQueue;
38 import java.awt.Graphics;
39 import java.awt.GraphicsEnvironment;
40 import java.awt.Point;
41 import java.awt.Rectangle;
42 import java.awt.Robot;
43 import java.awt.image.BufferedImage;
44 import java.io.File;
45 import java.lang.reflect.InvocationTargetException;
46 import javax.imageio.ImageIO;
47 import javax.swing.JFrame;
48 import javax.swing.JPanel;
49 import javax.swing.JScrollPane;
50
51 public class SwingOnScreenScrollingTest extends JPanel {
52
53 static JScrollPane pane;
54 static SwingOnScreenScrollingTest test;
55
56 public SwingOnScreenScrollingTest() {
57 }
58
59 public static void main(String[] args) {
60 int size = GraphicsEnvironment.
61 getLocalGraphicsEnvironment().
62 getDefaultScreenDevice().
63 getDefaultConfiguration().getColorModel().getPixelSize();
64 if (size < 16) {
65 System.err.println("<16 bit display mode detected. Test PASSED");
66 return;
67 }
68
69 final JFrame f = new JFrame("SwingOnScreenScrollingTest");
70 try {
71 EventQueue.invokeAndWait(new Runnable() {
72 public void run() {
73 test = new SwingOnScreenScrollingTest();
74 pane = new JScrollPane(test);
75 f.add(pane);
76 f.pack();
77 f.setSize(100, 200);
78 f.setVisible(true);
79 }
80 });
81 } catch (InvocationTargetException ex) {
82 ex.printStackTrace();
83 } catch (InterruptedException ex) {
84 ex.printStackTrace();
85 }
86 try {
87 Thread.sleep(500);
88 } catch (InterruptedException ex) {
89 ex.printStackTrace();
90 }
91 EventQueue.invokeLater(new Runnable() {
92 public void run() {
93 BufferedImage bi;
94 bi = new BufferedImage(100, 300,
95 BufferedImage.TYPE_INT_RGB);
96 Graphics gg = bi.getGraphics();
97 test.paint(gg);
98 for (int y = 80; y < 200; y +=10) {
99 test.scrollRectToVisible(new Rectangle(0, y, 100, 100));
100 try {
101 Thread.sleep(200);
102 } catch (InterruptedException ex) {
103 ex.printStackTrace();
104 }
105 }
106 Point p = pane.getViewport().getLocationOnScreen();
107 Robot r = null;
108 try {
109 r = new Robot();
110 } catch (AWTException ex) {
111 throw new RuntimeException(ex);
112 }
113 bi = r.createScreenCapture(new Rectangle(p.x+5, p.y+5, 30, 30));
114 for (int y = 0; y < bi.getHeight(); y++) {
115 for (int x = 0; x < bi.getHeight(); x++) {
116 int rgb = bi.getRGB(x, y);
117 if (bi.getRGB(x, y) != Color.red.getRGB()) {
118 System.err.printf("Test Failed at (%d,%d) c=0x%x\n",
119 x, y, rgb);
120 try {
121 String name =
122 "SwingOnScreenScrollingTest_out.png";
123 ImageIO.write(bi, "png", new File(name));
124 System.err.println("Wrote grabbed image to "+
125 name);
126 } catch (Throwable ex) {}
127 throw new RuntimeException("Test failed");
128 }
129 }
130 }
131 System.out.println("Test PASSED.");
132 f.dispose();
133 }
134 });
135 }
136
137 protected void paintComponent(Graphics g) {
138 g.setColor(Color.green);
139 g.fillRect(0, 0, getWidth(), 100);
140 g.setColor(Color.red);
141 g.fillRect(0, 100, getWidth(), getHeight()-100);
142 }
143
144 public Dimension getPreferredSize() {
145 return new Dimension(100, 300);
146 }
147 }