| /* |
| * Copyright (c) 2014, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.awt.Color; |
| import java.awt.Graphics; |
| import java.awt.Image; |
| import java.awt.Toolkit; |
| import java.awt.image.BufferedImage; |
| import java.awt.image.ImageObserver; |
| import static java.awt.image.ImageObserver.ALLBITS; |
| import java.io.File; |
| import javax.imageio.ImageIO; |
| import sun.awt.OSInfo; |
| import sun.awt.SunToolkit; |
| import sun.awt.image.MultiResolutionToolkitImage; |
| |
| /** |
| * @test |
| * @key headful |
| * @bug 8040291 |
| * @author Alexander Scherbatiy |
| * @summary [macosx] Http-Images are not fully loaded when using ImageIcon |
| * @modules java.desktop/sun.awt |
| * java.desktop/sun.awt.image |
| * @run main MultiResolutionToolkitImageTest |
| */ |
| |
| public class MultiResolutionToolkitImageTest { |
| |
| private static final int IMAGE_WIDTH = 300; |
| private static final int IMAGE_HEIGHT = 200; |
| private static final Color COLOR_1X = Color.GREEN; |
| private static final Color COLOR_2X = Color.BLUE; |
| private static final String IMAGE_NAME_1X = "image.png"; |
| private static final String IMAGE_NAME_2X = "image@2x.png"; |
| private static final int WAIT_TIME = 400; |
| private static volatile boolean isImageLoaded = false; |
| private static volatile boolean isRVObserverCalled = false; |
| |
| public static void main(String[] args) throws Exception { |
| |
| if (!checkOS()) { |
| return; |
| } |
| generateImages(); |
| testToolkitMultiResolutionImageLoad(); |
| } |
| |
| static void testToolkitMultiResolutionImageLoad() throws Exception { |
| File imageFile = new File(IMAGE_NAME_1X); |
| String fileName = imageFile.getAbsolutePath(); |
| Image image = Toolkit.getDefaultToolkit().getImage(fileName); |
| SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit(); |
| toolkit.prepareImage(image, -1, -1, new LoadImageObserver()); |
| |
| final long time = WAIT_TIME + System.currentTimeMillis(); |
| while ((!isImageLoaded || !isRVObserverCalled) |
| && System.currentTimeMillis() < time) { |
| Thread.sleep(50); |
| } |
| |
| if(!isImageLoaded){ |
| throw new RuntimeException("Image is not loaded!"); |
| } |
| |
| if(!isRVObserverCalled){ |
| throw new RuntimeException("Resolution Variant observer is not called!"); |
| } |
| } |
| |
| static void generateImages() throws Exception { |
| if (!new File(IMAGE_NAME_1X).exists()) { |
| generateImage(1); |
| } |
| |
| if (!new File(IMAGE_NAME_2X).exists()) { |
| generateImage(2); |
| } |
| } |
| |
| static void generateImage(int scale) throws Exception { |
| BufferedImage image = new BufferedImage(scale * IMAGE_WIDTH, scale * IMAGE_HEIGHT, |
| BufferedImage.TYPE_INT_RGB); |
| Graphics g = image.getGraphics(); |
| g.setColor(scale == 1 ? COLOR_1X : COLOR_2X); |
| g.fillRect(0, 0, scale * IMAGE_WIDTH, scale * IMAGE_HEIGHT); |
| File file = new File(scale == 1 ? IMAGE_NAME_1X : IMAGE_NAME_2X); |
| ImageIO.write(image, "png", file); |
| } |
| |
| static boolean checkOS() { |
| return OSInfo.getOSType() == OSInfo.OSType.MACOSX; |
| } |
| |
| static class LoadImageObserver implements ImageObserver { |
| |
| @Override |
| public boolean imageUpdate(Image img, int infoflags, int x, int y, |
| int width, int height) { |
| |
| if (isRVObserver()) { |
| isRVObserverCalled = true; |
| SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit(); |
| Image resolutionVariant = getResolutionVariant(img); |
| int rvFlags = toolkit.checkImage(resolutionVariant, width, height, |
| new IdleImageObserver()); |
| if (rvFlags < infoflags) { |
| throw new RuntimeException("Info flags are greater than" |
| + " resolution varint info flags"); |
| } |
| } else if ((infoflags & ALLBITS) != 0) { |
| isImageLoaded = true; |
| } |
| |
| return (infoflags & ALLBITS) == 0; |
| } |
| } |
| |
| static boolean isRVObserver() { |
| Exception e = new Exception(); |
| |
| for (StackTraceElement elem : e.getStackTrace()) { |
| if (elem.getClassName().endsWith("MultiResolutionToolkitImage")) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| static class IdleImageObserver implements ImageObserver { |
| |
| @Override |
| public boolean imageUpdate(Image img, int infoflags, int x, int y, |
| int width, int height) { |
| return false; |
| } |
| } |
| |
| static Image getResolutionVariant(Image image) { |
| return ((MultiResolutionToolkitImage) image).getResolutionVariant(); |
| } |
| } |