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 }