/* * 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; } } }