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/*
* Copyright (c) 2000, 2023, 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.
*/
import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Panel;
import java.awt.Robot;
import static java.awt.RenderingHints.KEY_ANTIALIASING;
import static java.awt.RenderingHints.KEY_TEXT_ANTIALIASING;
import static java.awt.RenderingHints.VALUE_ANTIALIAS_ON;
import static java.awt.RenderingHints.VALUE_TEXT_ANTIALIAS_ON;
/*
* @test
* @bug 4357180
* @key headful
* @summary When both KEY_ANTIALIASING and KEY_TEXT_ANTIALIASING hints
* were turned on, java aborts with EXCEPTION_ACCESS_VIOLATION
* at attempt to draw characters in Hebrew or Arabic.
* This could happen immediately or after several draws,
* depending on th locale and platform. This test draws
* large number of characters that are among this range repeatedly.
*/
public class DoubleAntialiasTest extends Panel {
private static Frame frame;
public static void main(String[] args) throws Exception {
try {
Robot robot = new Robot();
EventQueue.invokeAndWait(() -> {
frame = new Frame();
frame.setTitle("DoubleAntialiasTest");
frame.add(new DoubleAntialiasTest());
frame.pack();
frame.setSize(500, 500);
frame.setVisible(true);
});
robot.waitForIdle();
robot.delay(2000);
} catch (Exception e) {
throw new RuntimeException("Following exception occurred" +
" when testing Antialiasing Rendering hints: ", e);
} finally {
EventQueue.invokeAndWait(() -> {
if (frame != null) {
frame.dispose();
}
});
}
}
@Override
public void paint(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
int y = 50;
for (int i = 0; i < 2; i++) {
int k = 5;
for (int j = 0x500; j < 0x700; j++) {
g2.setRenderingHint(KEY_TEXT_ANTIALIASING,
VALUE_TEXT_ANTIALIAS_ON);
g2.setRenderingHint(KEY_ANTIALIASING,
VALUE_ANTIALIAS_ON);
g2.drawString(String.valueOf((char) j), (5 + k), y);
k = k + 15;
}
k = 5;
y += 50;
for (int j = 0x700; j > 0x500; j--) {
g2.setRenderingHint(KEY_TEXT_ANTIALIASING,
VALUE_TEXT_ANTIALIAS_ON);
g2.setRenderingHint(KEY_ANTIALIASING,
VALUE_ANTIALIAS_ON);
g2.drawString(String.valueOf((char) j), (5 + k), y);
k = k + 15;
}
y += 50;
}
}
}
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