1 /*
2 * Copyright (c) 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 import java.awt.BorderLayout;
25 import java.awt.Color;
26 import java.awt.Point;
27 import java.awt.Rectangle;
28 import java.awt.Robot;
29 import java.awt.event.InputEvent;
30 import java.awt.image.BufferedImage;
31 import javax.swing.JDesktopPane;
32 import javax.swing.JFrame;
33 import javax.swing.JInternalFrame;
34 import javax.swing.SwingUtilities;
35
36 /**
37 * @test
38 * @bug 8160248 8160332
39 * @summary Dragged internal frame leaves artifacts for floating point ui scale
40 * @run main/othervm -Dsun.java2d.uiScale=1.2 JInternalFrameDraggingTest
41 * @run main/othervm -Dsun.java2d.uiScale=1.5 JInternalFrameDraggingTest
42 * @run main/othervm -Dsun.java2d.uiScale=1 JInternalFrameDraggingTest
43 * @run main/othervm -Dsun.java2d.uiScale=2.5 JInternalFrameDraggingTest
44 */
45 public class JInternalFrameDraggingTest {
46
47 private static JFrame frame;
48 private static JDesktopPane desktopPane;
49 private static JInternalFrame internalFrame;
50 private static int FRAME_SIZE = 500;
51 private static Color BACKGROUND_COLOR = Color.ORANGE;
52
53 public static void main(String[] args) throws Exception {
54
55 Robot robot = new Robot();
56 robot.setAutoDelay(20);
57 SwingUtilities.invokeAndWait(JInternalFrameDraggingTest::createAndShowGUI);
58 robot.waitForIdle();
59
60 final int translate = FRAME_SIZE / 4;
61 moveFrame(robot, translate, translate / 2, translate / 2);
62 robot.waitForIdle();
63
64 Point p = getDesktopPaneLocation();
65 int size = translate / 2;
66 Rectangle rect = new Rectangle(p.x, p.y, size, size);
67 BufferedImage img = robot.createScreenCapture(rect);
68
69 int testRGB = BACKGROUND_COLOR.getRGB();
70 for (int i = 0; i < size; i++) {
71 int rgbCW = img.getRGB(i, size / 2);
72 int rgbCH = img.getRGB(size / 2, i);
73 if (rgbCW != testRGB || rgbCH != testRGB) {
74 throw new RuntimeException("Background color is wrong!");
75 }
76 }
77 }
78
79 private static void createAndShowGUI() {
80
81 frame = new JFrame();
82 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
83 frame.setLayout(new BorderLayout());
84
85 desktopPane = new JDesktopPane();
86 desktopPane.setBackground(BACKGROUND_COLOR);
87
88 frame.add(desktopPane, BorderLayout.CENTER);
89 frame.setSize(FRAME_SIZE, FRAME_SIZE);
90 frame.setVisible(true);
91
92 internalFrame = new JInternalFrame("Test");
93 internalFrame.setSize(FRAME_SIZE / 2, FRAME_SIZE / 2);
94 desktopPane.add(internalFrame);
95 internalFrame.setVisible(true);
96 internalFrame.setResizable(true);
97
98 frame.setVisible(true);
99 }
100
101 private static void moveFrame(Robot robot, int w, int h, int N) throws Exception {
102 Point p = getInternalFrameLocation();
103 int xs = p.x + 100;
104 int ys = p.y + 15;
105 robot.mouseMove(xs, ys);
106 try {
107 robot.mousePress(InputEvent.BUTTON1_MASK);
108
109 int dx = w / N;
110 int dy = h / N;
111
112 int y = ys;
113 for (int x = xs; x < xs + w; x += dx, y += dy) {
114 robot.mouseMove(x, y);
115 }
116 } finally {
117 robot.mouseRelease(InputEvent.BUTTON1_MASK);
118 }
119 }
120
121 private static Point getInternalFrameLocation() throws Exception {
122 final Point[] points = new Point[1];
123 SwingUtilities.invokeAndWait(() -> {
124 points[0] = internalFrame.getLocationOnScreen();
125 });
126 return points[0];
127 }
128
129 private static Point getDesktopPaneLocation() throws Exception {
130 final Point[] points = new Point[1];
131 SwingUtilities.invokeAndWait(() -> {
132 points[0] = desktopPane.getLocationOnScreen();
133 });
134 return points[0];
135 }
136 }