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