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