1 /* 2 * Copyright (c) 2016, 2017, 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 * @key headful 39 * @bug 8160248 8160332 40 * @summary Dragged internal frame leaves artifacts for floating point ui scale 41 * @run main/othervm -Dsun.java2d.uiScale=1.2 JInternalFrameDraggingTest 42 * @run main/othervm -Dsun.java2d.uiScale=1.5 JInternalFrameDraggingTest 43 * @run main/othervm -Dsun.java2d.uiScale=1 JInternalFrameDraggingTest 44 * @run main/othervm -Dsun.java2d.uiScale=2.5 JInternalFrameDraggingTest 45 */ 46 47 public class JInternalFrameDraggingTest { 48 49 private static JFrame frame; 50 private static JDesktopPane desktopPane; 51 private static JInternalFrame internalFrame; 52 private static int FRAME_SIZE = 500; 53 private static Color BACKGROUND_COLOR = Color.ORANGE; 54 55 public static void main(String[] args) throws Exception { 56 57 Robot robot = new Robot(); 58 robot.setAutoDelay(20); 59 SwingUtilities.invokeAndWait(JInternalFrameDraggingTest::createAndShowGUI); 60 robot.waitForIdle(); 61 62 final int translate = FRAME_SIZE / 4; 63 moveFrame(robot, translate, translate / 2, translate / 2); 64 robot.waitForIdle(); 65 66 Point p = getDesktopPaneLocation(); 67 int size = translate / 2; 68 Rectangle rect = new Rectangle(p.x, p.y, size, size); 69 BufferedImage img = robot.createScreenCapture(rect); 70 71 int testRGB = BACKGROUND_COLOR.getRGB(); 72 for (int i = 0; i < size; i++) { 73 int rgbCW = img.getRGB(i, size / 2); 74 int rgbCH = img.getRGB(size / 2, i); 75 if (rgbCW != testRGB || rgbCH != testRGB) { 76 throw new RuntimeException("Background color is wrong!"); 77 } 78 } 79 } 80 81 private static void createAndShowGUI() { 82 83 frame = new JFrame(); 84 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 85 frame.setLayout(new BorderLayout()); 86 87 desktopPane = new JDesktopPane(); 88 desktopPane.setBackground(BACKGROUND_COLOR); 89 90 frame.add(desktopPane, BorderLayout.CENTER); 91 frame.setSize(FRAME_SIZE, FRAME_SIZE); 92 frame.setVisible(true); 93 94 internalFrame = new JInternalFrame("Test"); 95 internalFrame.setSize(FRAME_SIZE / 2, FRAME_SIZE / 2); 96 desktopPane.add(internalFrame); 97 internalFrame.setVisible(true); 98 internalFrame.setResizable(true); 99 100 frame.setVisible(true); 101 } 102 103 private static void moveFrame(Robot robot, int w, int h, int N) throws Exception { 104 Point p = getInternalFrameLocation(); 105 int xs = p.x + 100; 106 int ys = p.y + 15; 107 robot.mouseMove(xs, ys); 108 try { 109 robot.mousePress(InputEvent.BUTTON1_MASK); 110 111 int dx = w / N; 112 int dy = h / N; 113 114 int y = ys; 115 for (int x = xs; x < xs + w; x += dx, y += dy) { 116 robot.mouseMove(x, y); 117 } 118 } finally { 119 robot.mouseRelease(InputEvent.BUTTON1_MASK); 120 } 121 } 122 123 private static Point getInternalFrameLocation() throws Exception { 124 final Point[] points = new Point[1]; 125 SwingUtilities.invokeAndWait(() -> { 126 points[0] = internalFrame.getLocationOnScreen(); 127 }); 128 return points[0]; 129 } 130 131 private static Point getDesktopPaneLocation() throws Exception { 132 final Point[] points = new Point[1]; 133 SwingUtilities.invokeAndWait(() -> { 134 points[0] = desktopPane.getLocationOnScreen(); 135 }); 136 return points[0]; 137 } 138 }