113 lines
3.6 KiB
Java
113 lines
3.6 KiB
Java
/*
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* Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8212226
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* @summary Check that base image gets selected during painting
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* if other resolution variants are not ready
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* @run main MultiResolutionImageSelectionTest
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*/
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import java.awt.Color;
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import java.awt.Graphics;
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import java.awt.Graphics2D;
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import java.awt.Image;
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import java.awt.image.AbstractMultiResolutionImage;
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import java.awt.image.BufferedImage;
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import java.awt.image.ImageObserver;
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import java.awt.image.ImageProducer;
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import java.awt.image.MultiResolutionImage;
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import java.util.Arrays;
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import java.util.List;
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import static java.awt.image.BufferedImage.TYPE_INT_RGB;
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public class MultiResolutionImageSelectionTest {
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final static BufferedImage GOOD_IMAGE = new BufferedImage(200, 200,
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TYPE_INT_RGB);
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final static Image BAD_IMAGE= new Image() {
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@Override
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public int getWidth(ImageObserver observer) {
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return -1;
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}
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@Override
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public int getHeight(ImageObserver observer) {
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return 1;
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}
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@Override
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public ImageProducer getSource() {
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return null;
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}
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@Override
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public Graphics getGraphics() {
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return null;
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}
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@Override
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public Object getProperty(String name, ImageObserver observer) {
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return null;
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}
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};
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public static void main(String[] args) {
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Graphics g = GOOD_IMAGE.createGraphics();
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g.setColor(Color.RED);
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g.fillRect(0, 0, GOOD_IMAGE.getWidth(), GOOD_IMAGE.getHeight());
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g.dispose();
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MultiResolutionImage mri = new AbstractMultiResolutionImage() {
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@Override
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protected Image getBaseImage() {
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return GOOD_IMAGE;
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}
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@Override
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public Image getResolutionVariant(double destImageWidth, double destImageHeight) {
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if ((int)destImageHeight == 200) {
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return GOOD_IMAGE;
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} else {
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return BAD_IMAGE;
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}
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}
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@Override
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public List<Image> getResolutionVariants() {
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return Arrays.asList(BAD_IMAGE, GOOD_IMAGE, BAD_IMAGE);
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}
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};
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BufferedImage target = new BufferedImage(500, 500, TYPE_INT_RGB);
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Graphics2D g2d = target.createGraphics();
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g2d.drawImage((Image) mri, 0, 0, 500, 500, null);
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g2d.dispose();
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if (Color.RED.getRGB() != target.getRGB(1, 1)) {
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throw new RuntimeException("Wrong resolution variant was used");
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}
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}
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}
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