| /* |
| * Copyright (c) 2007, 2016, 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 6705443 |
| * @summary tests that we don't crash during exit if font strikes were disposed |
| * during the lifetime of the application |
| * |
| * @run main/othervm -Dsun.java2d.font.reftype=weak StrikeDisposalCrashTest |
| * @run main/othervm -Dsun.java2d.font.reftype=weak -Dsun.java2d.noddraw=true StrikeDisposalCrashTest |
| * @run main/othervm -Dsun.java2d.font.reftype=weak -Dsun.java2d.opengl=True StrikeDisposalCrashTest |
| */ |
| |
| import java.awt.Font; |
| import java.awt.Frame; |
| import java.awt.Graphics2D; |
| import java.awt.GraphicsConfiguration; |
| import java.awt.GraphicsDevice; |
| import java.awt.GraphicsEnvironment; |
| import java.awt.RenderingHints; |
| import java.awt.Toolkit; |
| import java.awt.image.VolatileImage; |
| |
| public class StrikeDisposalCrashTest { |
| |
| public static void main(String[] args) { |
| System.setProperty("sun.java2d.font.reftype", "weak"); |
| |
| GraphicsDevice gd[] = |
| GraphicsEnvironment.getLocalGraphicsEnvironment().getScreenDevices(); |
| |
| Frame frames[] = new Frame[gd.length]; |
| for (int i = 0; i < frames.length; i++) { |
| GraphicsConfiguration gc = gd[i].getDefaultConfiguration(); |
| Frame f = new Frame("Frame on "+gc, gc); |
| f.setSize(100, 100); |
| f.setLocation(gc.getBounds().x, gc.getBounds().y); |
| f.pack(); |
| frames[i] = f; |
| } |
| |
| Font f1 = new Font("Dialog", Font.PLAIN, 10); |
| Font f2 = new Font("Dialog", Font.ITALIC, 12); |
| |
| for (int i = 0; i < frames.length/2; i++) { |
| // making sure the glyphs are cached in the accel. cache on |
| // one frame, then the other |
| renderText(frames[i], f1); |
| renderText(frames[frames.length -1 - i], f1); |
| |
| // and now the other way around, with different glyphs |
| renderText(frames[frames.length -1 - i], f2); |
| renderText(frames[i], f2); |
| } |
| |
| // try to force strike disposal (note that we have to use |
| // -Dsun.java2d.font.reftype=weak to facilitate the disposal) |
| |
| System.gc(); |
| System.runFinalization(); |
| System.gc(); |
| System.runFinalization(); |
| |
| for (Frame f : frames) { |
| f.dispose(); |
| } |
| |
| System.err.println("Exiting. If the test crashed after this it FAILED"); |
| } |
| |
| private static final String text = |
| "The quick brown fox jumps over the lazy dog 1234567890"; |
| private static void renderText(Frame frame, Font f1) { |
| VolatileImage vi = frame.createVolatileImage(256, 32); |
| vi.validate(frame.getGraphicsConfiguration()); |
| |
| Graphics2D g = vi.createGraphics(); |
| g.setFont(f1); |
| g.drawString(text, 0, vi.getHeight()/2); |
| g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, |
| RenderingHints.VALUE_TEXT_ANTIALIAS_ON); |
| g.drawString(text, 0, vi.getHeight()/2); |
| g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, |
| RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB); |
| g.drawString(text, 0, vi.getHeight()/2); |
| Toolkit.getDefaultToolkit().sync(); |
| } |
| } |