1 /* 2 * Copyright (c) 2007, 2008, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 * @test 26 * @bug 6705443 27 * @summary tests that we don't crash during exit if font strikes were disposed 28 * during the lifetime of the application 29 * 30 * @run main/othervm -Dsun.java2d.font.reftype=weak StrikeDisposalCrashTest 31 * @run main/othervm -Dsun.java2d.font.reftype=weak -Dsun.java2d.noddraw=true StrikeDisposalCrashTest 32 * @run main/othervm -Dsun.java2d.font.reftype=weak -Dsun.java2d.opengl=True StrikeDisposalCrashTest 33 */ 34 35 import java.awt.Font; 36 import java.awt.Frame; 37 import java.awt.Graphics2D; 38 import java.awt.GraphicsConfiguration; 39 import java.awt.GraphicsDevice; 40 import java.awt.GraphicsEnvironment; 41 import java.awt.RenderingHints; 42 import java.awt.Toolkit; 43 import java.awt.image.VolatileImage; 44 45 public class StrikeDisposalCrashTest { 46 47 public static void main(String[] args) { 48 System.setProperty("sun.java2d.font.reftype", "weak"); 49 50 GraphicsDevice gd[] = 51 GraphicsEnvironment.getLocalGraphicsEnvironment().getScreenDevices(); 52 53 Frame frames[] = new Frame[gd.length]; 54 for (int i = 0; i < frames.length; i++) { 55 GraphicsConfiguration gc = gd[i].getDefaultConfiguration(); 56 Frame f = new Frame("Frame on "+gc, gc); 57 f.setSize(100, 100); 58 f.setLocation(gc.getBounds().x, gc.getBounds().y); 59 f.pack(); 60 frames[i] = f; 61 } 62 63 Font f1 = new Font("Dialog", Font.PLAIN, 10); 64 Font f2 = new Font("Dialog", Font.ITALIC, 12); 65 66 for (int i = 0; i < frames.length/2; i++) { 67 // making sure the glyphs are cached in the accel. cache on 68 // one frame, then the other 69 renderText(frames[i], f1); 70 renderText(frames[frames.length -1 - i], f1); 71 72 // and now the other way around, with different glyphs 73 renderText(frames[frames.length -1 - i], f2); 74 renderText(frames[i], f2); 75 } 76 77 // try to force strike disposal (note that we have to use 78 // -Dsun.java2d.font.reftype=weak to facilitate the disposal) 79 80 System.gc(); 81 System.runFinalization(); 82 System.gc(); 83 System.runFinalization(); 84 85 for (Frame f : frames) { 86 f.dispose(); 87 } 88 89 System.err.println("Exiting. If the test crashed after this it FAILED"); 90 } 91 92 private static final String text = 93 "The quick brown fox jumps over the lazy dog 1234567890"; 94 private static void renderText(Frame frame, Font f1) { 95 VolatileImage vi = frame.createVolatileImage(256, 32); 96 vi.validate(frame.getGraphicsConfiguration()); 97 98 Graphics2D g = vi.createGraphics(); 99 g.setFont(f1); 100 g.drawString(text, 0, vi.getHeight()/2); 101 g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, 102 RenderingHints.VALUE_TEXT_ANTIALIAS_ON); 103 g.drawString(text, 0, vi.getHeight()/2); 104 g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, 105 RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB); 106 g.drawString(text, 0, vi.getHeight()/2); 107 Toolkit.getDefaultToolkit().sync(); 108 } 109 }