/* * Copyright (c) 2015, 2021, 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 * @key headful * @bug 6430601 8198613 * @summary Verifies that copyArea() works properly when the * destination parameters are outside the destination bounds. * @run main/othervm CopyAreaOOB * @author campbelc
*/
import java.awt.*; import java.awt.image.*;
publicclass CopyAreaOOB extends Canvas {
privatestatic Robot robot = null;
publicvoid paint(Graphics g) { int w = getWidth(); int h = getHeight();
public Dimension getPreferredSize() { returnnew Dimension(400, 400);
}
privatestaticvoid testRegion(BufferedImage bi, String name, int x1, int y1, int x2, int y2, int expected)
{ for (int y = y1; y < y2; y++) { for (int x = x1; x < x2; x++) { int actual = bi.getRGB(x, y); if (actual != expected) { thrownew RuntimeException("Test failed for " + name + " region at x="+x+" y="+y+ " (expected="+
Integer.toHexString(expected) + " actual="+
Integer.toHexString(actual) + ")");
}
}
}
}
CopyAreaOOB test = new CopyAreaOOB();
Frame frame = new Frame();
frame.setUndecorated(true);
frame.add(test);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.