1 /* 2 * Copyright (c) 2014, 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.Color; 25 import java.awt.Graphics; 26 import java.awt.Image; 27 import java.awt.Toolkit; 28 import java.awt.image.BufferedImage; 29 import java.awt.image.ImageObserver; 30 import static java.awt.image.ImageObserver.ALLBITS; 31 import java.io.File; 32 import javax.imageio.ImageIO; 33 import sun.awt.OSInfo; 34 import sun.awt.SunToolkit; 35 import sun.awt.image.MultiResolutionToolkitImage; 36 37 /** 38 * @test 39 * @bug 8040291 40 * @author Alexander Scherbatiy 41 * @summary [macosx] Http-Images are not fully loaded when using ImageIcon 42 * @run main MultiResolutionToolkitImageTest 43 */ 44 public class MultiResolutionToolkitImageTest { 45 46 private static final int IMAGE_WIDTH = 300; 47 private static final int IMAGE_HEIGHT = 200; 48 private static final Color COLOR_1X = Color.GREEN; 49 private static final Color COLOR_2X = Color.BLUE; 50 private static final String IMAGE_NAME_1X = "image.png"; 51 private static final String IMAGE_NAME_2X = "image@2x.png"; 52 53 public static void main(String[] args) throws Exception { 54 55 if (!checkOS()) { 56 return; 57 } 58 generateImages(); 59 testToolkitMultiResolutionImageLoad(); 60 } 61 62 static void testToolkitMultiResolutionImageLoad() throws Exception { 63 File imageFile = new File(IMAGE_NAME_1X); 64 String fileName = imageFile.getAbsolutePath(); 65 Image image = Toolkit.getDefaultToolkit().getImage(fileName); 66 SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit(); 67 toolkit.prepareImage(image, -1, -1, new LoadImageObserver()); 68 } 69 70 static void generateImages() throws Exception { 71 if (!new File(IMAGE_NAME_1X).exists()) { 72 generateImage(1); 73 } 74 75 if (!new File(IMAGE_NAME_2X).exists()) { 76 generateImage(2); 77 } 78 } 79 80 static void generateImage(int scale) throws Exception { 81 BufferedImage image = new BufferedImage(scale * IMAGE_WIDTH, scale * IMAGE_HEIGHT, 82 BufferedImage.TYPE_INT_RGB); 83 Graphics g = image.getGraphics(); 84 g.setColor(scale == 1 ? COLOR_1X : COLOR_2X); 85 g.fillRect(0, 0, scale * IMAGE_WIDTH, scale * IMAGE_HEIGHT); 86 File file = new File(scale == 1 ? IMAGE_NAME_1X : IMAGE_NAME_2X); 87 ImageIO.write(image, "png", file); 88 } 89 90 static boolean checkOS() { 91 return OSInfo.getOSType() == OSInfo.OSType.MACOSX; 92 } 93 94 static class LoadImageObserver implements ImageObserver { 95 96 @Override 97 public boolean imageUpdate(Image img, int infoflags, int x, int y, 98 int width, int height) { 99 100 if (isRVObserevr()) { 101 SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit(); 102 Image resolutionVariant = getResolutionVariant(img); 103 int rvFlags = toolkit.checkImage(resolutionVariant, width, height, 104 new IdleImageObserver()); 105 if (rvFlags < infoflags) { 106 throw new RuntimeException("Info flags are greater than" 107 + " resolution varint info flags"); 108 } 109 } 110 return (infoflags & ALLBITS) == 0; 111 } 112 } 113 114 static boolean isRVObserevr() { 115 Exception e = new Exception(); 116 117 for (StackTraceElement elem : e.getStackTrace()) { 118 if (elem.getClassName().endsWith("MultiResolutionToolkitImage")) { 119 return true; 120 } 121 } 122 return false; 123 } 124 125 static class IdleImageObserver implements ImageObserver { 126 127 @Override 128 public boolean imageUpdate(Image img, int infoflags, int x, int y, 129 int width, int height) { 130 return false; 131 } 132 } 133 134 static Image getResolutionVariant(Image image) { 135 return ((MultiResolutionToolkitImage) image).getResolutionVariant(); 136 } 137 }