1 /* 2 * Copyright (c) 2014, 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 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 * @modules java.desktop/sun.awt 43 * java.desktop/sun.awt.image 44 * @run main MultiResolutionToolkitImageTest 45 */ 46 public class MultiResolutionToolkitImageTest { 47 48 private static final int IMAGE_WIDTH = 300; 49 private static final int IMAGE_HEIGHT = 200; 50 private static final Color COLOR_1X = Color.GREEN; 51 private static final Color COLOR_2X = Color.BLUE; 52 private static final String IMAGE_NAME_1X = "image.png"; 53 private static final String IMAGE_NAME_2X = "image@2x.png"; 54 private static final int WAIT_TIME = 400; 55 private static volatile boolean isImageLoaded = false; 56 private static volatile boolean isRVObserverCalled = false; 57 58 public static void main(String[] args) throws Exception { 59 60 if (!checkOS()) { 61 return; 62 } 63 generateImages(); 64 testToolkitMultiResolutionImageLoad(); 65 } 66 67 static void testToolkitMultiResolutionImageLoad() throws Exception { 68 File imageFile = new File(IMAGE_NAME_1X); 69 String fileName = imageFile.getAbsolutePath(); 70 Image image = Toolkit.getDefaultToolkit().getImage(fileName); 71 SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit(); 72 toolkit.prepareImage(image, -1, -1, new LoadImageObserver()); 73 74 final long time = WAIT_TIME + System.currentTimeMillis(); 75 while ((!isImageLoaded || !isRVObserverCalled) 76 && System.currentTimeMillis() < time) { 77 Thread.sleep(50); 78 } 79 80 if(!isImageLoaded){ 81 throw new RuntimeException("Image is not loaded!"); 82 } 83 84 if(!isRVObserverCalled){ 85 throw new RuntimeException("Resolution Variant observer is not called!"); 86 } 87 } 88 89 static void generateImages() throws Exception { 90 if (!new File(IMAGE_NAME_1X).exists()) { 91 generateImage(1); 92 } 93 94 if (!new File(IMAGE_NAME_2X).exists()) { 95 generateImage(2); 96 } 97 } 98 99 static void generateImage(int scale) throws Exception { 100 BufferedImage image = new BufferedImage(scale * IMAGE_WIDTH, scale * IMAGE_HEIGHT, 101 BufferedImage.TYPE_INT_RGB); 102 Graphics g = image.getGraphics(); 103 g.setColor(scale == 1 ? COLOR_1X : COLOR_2X); 104 g.fillRect(0, 0, scale * IMAGE_WIDTH, scale * IMAGE_HEIGHT); 105 File file = new File(scale == 1 ? IMAGE_NAME_1X : IMAGE_NAME_2X); 106 ImageIO.write(image, "png", file); 107 } 108 109 static boolean checkOS() { 110 return OSInfo.getOSType() == OSInfo.OSType.MACOSX; 111 } 112 113 static class LoadImageObserver implements ImageObserver { 114 115 @Override 116 public boolean imageUpdate(Image img, int infoflags, int x, int y, 117 int width, int height) { 118 119 if (isRVObserver()) { 120 isRVObserverCalled = true; 121 SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit(); 122 Image resolutionVariant = getResolutionVariant(img); 123 int rvFlags = toolkit.checkImage(resolutionVariant, width, height, 124 new IdleImageObserver()); 125 if (rvFlags < infoflags) { 126 throw new RuntimeException("Info flags are greater than" 127 + " resolution varint info flags"); 128 } 129 } else if ((infoflags & ALLBITS) != 0) { 130 isImageLoaded = true; 131 } 132 133 return (infoflags & ALLBITS) == 0; 134 } 135 } 136 137 static boolean isRVObserver() { 138 Exception e = new Exception(); 139 140 for (StackTraceElement elem : e.getStackTrace()) { 141 if (elem.getClassName().endsWith("MultiResolutionToolkitImage")) { 142 return true; 143 } 144 } 145 return false; 146 } 147 148 static class IdleImageObserver implements ImageObserver { 149 150 @Override 151 public boolean imageUpdate(Image img, int infoflags, int x, int y, 152 int width, int height) { 153 return false; 154 } 155 } 156 157 static Image getResolutionVariant(Image image) { 158 return ((MultiResolutionToolkitImage) image).getResolutionVariant(); 159 } 160 }