--- /dev/null 2014-12-09 18:15:47.000000000 +0400 +++ new/test/java/awt/image/MultiResolutionImage/MultiResolutionImageObserverTest.java 2014-12-09 18:15:47.000000000 +0400 @@ -0,0 +1,120 @@ +/* + * Copyright (c) 2015, 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.Graphics2D; +import java.awt.Image; +import java.awt.Toolkit; +import java.awt.image.BufferedImage; +import java.awt.image.ImageObserver; +import static java.awt.image.ImageObserver.*; +import java.io.File; +import javax.imageio.ImageIO; +/* + * @test + * @bug 8065627 + * @summary Animated GIFs fail to display on a HiDPI display + * @author Alexander Scherbatiy + * @run main MultiResolutionImageObserverTest + */ + +public class MultiResolutionImageObserverTest { + + private static final int TIMEOUT = 500; + + public static void main(String[] args) throws Exception { + + generateImages(); + Toolkit toolkit = Toolkit.getDefaultToolkit(); + Image image = Toolkit.getDefaultToolkit().getImage(IMAGE_NAME_1X); + + LoadImageObserver sizeObserver + = new LoadImageObserver(WIDTH | HEIGHT); + toolkit.prepareImage(image, -1, -1, sizeObserver); + waitForImageLoading(sizeObserver, "The first observer is not called"); + + LoadImageObserver bitsObserver + = new LoadImageObserver(SOMEBITS | FRAMEBITS | ALLBITS); + + BufferedImage buffImage = new BufferedImage(100, 100, BufferedImage.TYPE_INT_RGB); + Graphics2D g2d = (Graphics2D) buffImage.createGraphics(); + g2d.scale(2, 2); + g2d.drawImage(image, 0, 0, bitsObserver); + waitForImageLoading(bitsObserver, "The second observer is not called!"); + g2d.dispose(); + } + + private static void waitForImageLoading(LoadImageObserver observer, + String errorMessage) throws Exception { + + long endTime = System.currentTimeMillis() + TIMEOUT; + + while (!observer.loaded && System.currentTimeMillis() < endTime) { + Thread.sleep(TIMEOUT / 10); + } + + if (!observer.loaded) { + throw new RuntimeException(errorMessage); + } + } + + private static final String IMAGE_NAME_1X = "image.png"; + private static final String IMAGE_NAME_2X = "image@2x.png"; + + private static void generateImages() throws Exception { + generateImage(1); + generateImage(2); + } + + private static void generateImage(int scale) throws Exception { + BufferedImage image = new BufferedImage( + scale * 200, scale * 300, + BufferedImage.TYPE_INT_RGB); + Graphics g = image.createGraphics(); + g.setColor(scale == 1 ? Color.GREEN : Color.BLUE); + g.fillRect(0, 0, scale * 200, scale * 300); + File file = new File(scale == 1 ? IMAGE_NAME_1X : IMAGE_NAME_2X); + ImageIO.write(image, "png", file); + g.dispose(); + } + + private static class LoadImageObserver implements ImageObserver { + + private final int infoflags; + private boolean loaded; + + public LoadImageObserver(int flags) { + this.infoflags = flags; + } + + @Override + public boolean imageUpdate(Image img, int flags, int x, int y, int width, int height) { + + if ((flags & infoflags) != 0) { + loaded = true; + } + + return !loaded; + } + } +} \ No newline at end of file