| /* |
| * Copyright (c) 2020, 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. |
| */ |
| |
| /* |
| * @test |
| * @bug 8212226 |
| * @summary Check that base image gets selected during painting |
| * if other resolution variants are not ready |
| * @run main MultiResolutionImageSelectionTest |
| */ |
| |
| import java.awt.Color; |
| import java.awt.Graphics; |
| import java.awt.Graphics2D; |
| import java.awt.Image; |
| import java.awt.image.AbstractMultiResolutionImage; |
| import java.awt.image.BufferedImage; |
| import java.awt.image.ImageObserver; |
| import java.awt.image.ImageProducer; |
| import java.awt.image.MultiResolutionImage; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import static java.awt.image.BufferedImage.TYPE_INT_RGB; |
| |
| public class MultiResolutionImageSelectionTest { |
| final static BufferedImage GOOD_IMAGE = new BufferedImage(200, 200, |
| TYPE_INT_RGB); |
| |
| final static Image BAD_IMAGE= new Image() { |
| @Override |
| public int getWidth(ImageObserver observer) { |
| return -1; |
| } |
| |
| @Override |
| public int getHeight(ImageObserver observer) { |
| return 1; |
| } |
| |
| @Override |
| public ImageProducer getSource() { |
| return null; |
| } |
| |
| @Override |
| public Graphics getGraphics() { |
| return null; |
| } |
| |
| @Override |
| public Object getProperty(String name, ImageObserver observer) { |
| return null; |
| } |
| }; |
| |
| public static void main(String[] args) { |
| Graphics g = GOOD_IMAGE.createGraphics(); |
| g.setColor(Color.RED); |
| g.fillRect(0, 0, GOOD_IMAGE.getWidth(), GOOD_IMAGE.getHeight()); |
| g.dispose(); |
| |
| MultiResolutionImage mri = new AbstractMultiResolutionImage() { |
| @Override |
| protected Image getBaseImage() { |
| return GOOD_IMAGE; |
| } |
| |
| @Override |
| public Image getResolutionVariant(double destImageWidth, double destImageHeight) { |
| if ((int)destImageHeight == 200) { |
| return GOOD_IMAGE; |
| } else { |
| return BAD_IMAGE; |
| } |
| } |
| |
| @Override |
| public List<Image> getResolutionVariants() { |
| return Arrays.asList(BAD_IMAGE, GOOD_IMAGE, BAD_IMAGE); |
| } |
| }; |
| |
| BufferedImage target = new BufferedImage(500, 500, TYPE_INT_RGB); |
| Graphics2D g2d = target.createGraphics(); |
| g2d.drawImage((Image) mri, 0, 0, 500, 500, null); |
| g2d.dispose(); |
| if (Color.RED.getRGB() != target.getRGB(1, 1)) { |
| throw new RuntimeException("Wrong resolution variant was used"); |
| } |
| } |
| } |