/* * Copyright (c) 1999, 2024, 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 4090743 * @library /java/awt/regtesthelpers * @build PassFailJFrame * @summary Make sure that there is no garbage drawn on the rotated image * @run main/manual TransformImage */ import java.net.URL; import java.net.MalformedURLException; import java.awt.Canvas; import java.awt.Color; import java.awt.Dimension; import java.awt.Font; import java.awt.Frame; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.geom.AffineTransform; import java.awt.Image; import java.awt.image.ImageObserver; import java.awt.MediaTracker; import java.awt.Toolkit; public class TransformImage extends Canvas { static Image image; private static final String INSTRUCTIONS = """ The rotated image should be drawn without garbage."""; public static void main(String[] argv) throws Exception { PassFailJFrame.builder() .title("TransformImage Instructions") .instructions(INSTRUCTIONS) .rows(5) .columns(35) .testUI(TransformImage::createTestUI) .build() .awaitAndCheck(); } private static Frame createTestUI() { Frame f = new Frame(); String dir = System.getProperty("test.src"); String sep = System.getProperty("file.separator"); if (dir == null) { dir = "."; } image = Toolkit.getDefaultToolkit().getImage(dir+sep+"duke.gif"); f.add(new TransformImage()); f.pack(); return f; } public Dimension getPreferredSize() { return new Dimension (256, 256); } public Dimension getMinimumSize() { return getPreferredSize(); } public void paint(Graphics g) { int w, h; java.awt.Graphics2D g2d = (Graphics2D) g; AffineTransform at = new AffineTransform(); MediaTracker mt = new MediaTracker(this); mt.addImage(image, 0); try { mt.waitForAll(); } catch (InterruptedException e) { System.err.println("can't track"); return; } w = image.getWidth(this); h = image.getHeight(this); g2d.drawImage(image, 0, 0, this); g2d.drawRect(0, 0, w, h); double rad = .5; at.rotate(-rad); g2d.setTransform(at); g2d.drawImage(image, 0, 100, this); g2d.drawRect(0, 100, w, h); } }