1 /* 2 * Copyright (c) 2014, 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.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 * @key headful 40 * @bug 8040291 41 * @author Alexander Scherbatiy 42 * @summary [macosx] Http-Images are not fully loaded when using ImageIcon 43 * @modules java.desktop/sun.awt 44 * java.desktop/sun.awt.image 45 * @run main MultiResolutionToolkitImageTest 46 */ 47 48 public class MultiResolutionToolkitImageTest { 49 50 private static final int IMAGE_WIDTH = 300; 51 private static final int IMAGE_HEIGHT = 200; 52 private static final Color COLOR_1X = Color.GREEN; 53 private static final Color COLOR_2X = Color.BLUE; 54 private static final String IMAGE_NAME_1X = "image.png"; 55 private static final String IMAGE_NAME_2X = "image@2x.png"; 56 private static final int WAIT_TIME = 400; 57 private static volatile boolean isImageLoaded = false; 58 private static volatile boolean isRVObserverCalled = false; 59 main(String[] args)60 public static void main(String[] args) throws Exception { 61 62 if (!checkOS()) { 63 return; 64 } 65 generateImages(); 66 testToolkitMultiResolutionImageLoad(); 67 } 68 testToolkitMultiResolutionImageLoad()69 static void testToolkitMultiResolutionImageLoad() throws Exception { 70 File imageFile = new File(IMAGE_NAME_1X); 71 String fileName = imageFile.getAbsolutePath(); 72 Image image = Toolkit.getDefaultToolkit().getImage(fileName); 73 SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit(); 74 toolkit.prepareImage(image, -1, -1, new LoadImageObserver()); 75 76 final long time = WAIT_TIME + System.currentTimeMillis(); 77 while ((!isImageLoaded || !isRVObserverCalled) 78 && System.currentTimeMillis() < time) { 79 Thread.sleep(50); 80 } 81 82 if(!isImageLoaded){ 83 throw new RuntimeException("Image is not loaded!"); 84 } 85 86 if(!isRVObserverCalled){ 87 throw new RuntimeException("Resolution Variant observer is not called!"); 88 } 89 } 90 generateImages()91 static void generateImages() throws Exception { 92 if (!new File(IMAGE_NAME_1X).exists()) { 93 generateImage(1); 94 } 95 96 if (!new File(IMAGE_NAME_2X).exists()) { 97 generateImage(2); 98 } 99 } 100 generateImage(int scale)101 static void generateImage(int scale) throws Exception { 102 BufferedImage image = new BufferedImage(scale * IMAGE_WIDTH, scale * IMAGE_HEIGHT, 103 BufferedImage.TYPE_INT_RGB); 104 Graphics g = image.getGraphics(); 105 g.setColor(scale == 1 ? COLOR_1X : COLOR_2X); 106 g.fillRect(0, 0, scale * IMAGE_WIDTH, scale * IMAGE_HEIGHT); 107 File file = new File(scale == 1 ? IMAGE_NAME_1X : IMAGE_NAME_2X); 108 ImageIO.write(image, "png", file); 109 } 110 checkOS()111 static boolean checkOS() { 112 return OSInfo.getOSType() == OSInfo.OSType.MACOSX; 113 } 114 115 static class LoadImageObserver implements ImageObserver { 116 117 @Override imageUpdate(Image img, int infoflags, int x, int y, int width, int height)118 public boolean imageUpdate(Image img, int infoflags, int x, int y, 119 int width, int height) { 120 121 if (isRVObserver()) { 122 isRVObserverCalled = true; 123 SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit(); 124 Image resolutionVariant = getResolutionVariant(img); 125 int rvFlags = toolkit.checkImage(resolutionVariant, width, height, 126 new IdleImageObserver()); 127 if (rvFlags < infoflags) { 128 throw new RuntimeException("Info flags are greater than" 129 + " resolution varint info flags"); 130 } 131 } else if ((infoflags & ALLBITS) != 0) { 132 isImageLoaded = true; 133 } 134 135 return (infoflags & ALLBITS) == 0; 136 } 137 } 138 isRVObserver()139 static boolean isRVObserver() { 140 Exception e = new Exception(); 141 142 for (StackTraceElement elem : e.getStackTrace()) { 143 if (elem.getClassName().endsWith("MultiResolutionToolkitImage")) { 144 return true; 145 } 146 } 147 return false; 148 } 149 150 static class IdleImageObserver implements ImageObserver { 151 152 @Override imageUpdate(Image img, int infoflags, int x, int y, int width, int height)153 public boolean imageUpdate(Image img, int infoflags, int x, int y, 154 int width, int height) { 155 return false; 156 } 157 } 158 getResolutionVariant(Image image)159 static Image getResolutionVariant(Image image) { 160 return ((MultiResolutionToolkitImage) image).getResolutionVariant(); 161 } 162 } 163