1 /* 2 * Copyright (c) 2015, 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 sun.awt.image.MultiResolutionToolkitImage; 25 26 import javax.swing.*; 27 import java.awt.*; 28 import java.awt.image.BufferedImage; 29 30 import static java.awt.event.InputEvent.BUTTON1_DOWN_MASK; 31 32 /** 33 * @test 34 * @bug 8076106 35 * @author Hendrik Schreiber 36 * @summary [macosx] Drag image of TransferHandler does not honor 37 * MultiResolutionImage 38 * @modules java.desktop/sun.awt.image 39 * @run main MultiResolutionDragImageTest TEST_DRAG 40 */ 41 public class MultiResolutionDragImageTest { 42 43 private static final Color COLOR_1X = Color.BLUE; 44 private static final Color COLOR_2X = Color.RED; 45 private static JFrame frame; 46 private static JTextField field; 47 private static Point p; 48 49 public static void main(String[] args) throws Exception { 50 51 final String test = args[0]; 52 53 switch (test) { 54 case "TEST_DRAG": 55 testDrag(); 56 break; 57 default: 58 throw new RuntimeException("Unknown test: " + test); 59 } 60 } 61 62 private static void testDrag() throws Exception { 63 64 65 SwingUtilities.invokeAndWait(() -> { 66 67 frame = new JFrame(); 68 field = new JTextField("Drag Me"); 69 setupFrame(frame, field); 70 frame.setVisible(true); 71 }); 72 73 final Robot robot = new Robot(); 74 robot.setAutoDelay(500); 75 robot.setAutoWaitForIdle(true); 76 robot.waitForIdle(); 77 78 // get mouse into position 79 SwingUtilities.invokeAndWait(() -> { 80 81 p = new Point(field.getWidth() / 2, field.getHeight() / 2); 82 SwingUtilities.convertPointToScreen(p, field); 83 }); 84 85 robot.mouseMove(p.x, p.y); 86 // simulate dragging 87 robot.mousePress(BUTTON1_DOWN_MASK); 88 p.translate(10, 10); 89 robot.mouseMove(p.x, p.y); 90 91 p.translate(5, 5); 92 final Color color = robot.getPixelColor(p.x, p.y); 93 robot.mouseRelease(BUTTON1_DOWN_MASK); 94 95 SwingUtilities.invokeAndWait(frame::dispose); 96 97 final float scaleFactor = getScaleFactor(); 98 final Color testColor = (1 < scaleFactor) ? COLOR_2X : COLOR_1X; 99 100 if (!similar(testColor, color)) { 101 throw new RuntimeException( 102 "TEST FAILED: Image with wrong resolution is used for drag image!"); 103 } 104 System.out.println("TEST PASSED!"); 105 } 106 107 private static void setupFrame(final JFrame frame, final JTextField field) { 108 109 frame.setBounds(0, 0, 50, 50); 110 frame.setLayout(new BorderLayout()); 111 field.setDragEnabled(true); 112 final TransferHandler transferHandler = field.getTransferHandler(); 113 transferHandler.setDragImage(createMultiResolutionImage()); 114 frame.getContentPane().add(field, BorderLayout.CENTER); 115 } 116 117 private static boolean similar(Color c1, Color c2){ 118 return similar(c1.getRed(), c2.getRed()) 119 && similar(c1.getGreen(), c2.getGreen()) 120 && similar(c1.getBlue(), c2.getBlue()); 121 } 122 123 private static boolean similar(int n, int m){ 124 return Math.abs(n - m) <= 50; 125 } 126 127 static float getScaleFactor() { 128 return (float) GraphicsEnvironment. 129 getLocalGraphicsEnvironment(). 130 getDefaultScreenDevice().getDefaultConfiguration(). 131 getDefaultTransform().getScaleX(); 132 } 133 134 private static Image createMultiResolutionImage() { 135 136 return new MultiResolutionToolkitImage( 137 createImage(50, COLOR_1X), 138 createImage(100, COLOR_2X) 139 ); 140 141 } 142 143 private static Image createImage(final int length, final Color color) { 144 145 final BufferedImage image = new BufferedImage(length, length, 146 BufferedImage.TYPE_INT_ARGB_PRE); 147 final Graphics graphics = image.getGraphics(); 148 graphics.setColor(color); 149 graphics.fillRect(0, 0, length, length); 150 graphics.dispose(); 151 return image; 152 } 153 }