1 /* 2 * Copyright (c) 2015, 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 * @test 25 * @bug 6357987 6513889 8023213 26 * @summary Font/Text APIs should not crash if transform includes NaN 27 * @author prr 28 * @run main NaNTransform 29 */ 30 import java.awt.*; 31 import java.awt.font.*; 32 import java.awt.geom.*; 33 import java.awt.image.*; 34 35 public class NaNTransform { 36 37 private static void testShape(String msg, Shape s) { 38 if (!(new Area(s).isEmpty())) { 39 System.out.println(msg+"="+s); 40 throw new RuntimeException("Warning: expected this to be empty"); 41 } 42 } 43 44 public static void main(String [] args) { 45 46 float NaN=0f/0f; 47 float[] vals = new float[6]; 48 for (int i=0;i<6;i++) vals[i]=NaN; 49 AffineTransform nanTX = new AffineTransform(vals); 50 51 BufferedImage bi = new BufferedImage(1,1,BufferedImage.TYPE_INT_RGB); 52 Graphics2D g2d = bi.createGraphics(); 53 54 g2d.rotate(NaN); 55 56 Font font = g2d.getFont(); 57 FontMetrics fm = g2d.getFontMetrics(); 58 FontRenderContext frc = g2d.getFontRenderContext(); 59 60 int adv = fm.stringWidth("ABCDEF"); 61 if (adv != 0) { 62 System.out.println("strWidth="+adv); 63 throw new RuntimeException("Warning: expected this to be zero"); 64 } 65 testShape("strBounds", font.getStringBounds("12345", frc)); 66 67 TextLayout tl = new TextLayout("Some text", font, frc); 68 testShape("tl PixelBounds 1", tl.getPixelBounds(frc, 20, 10)); 69 testShape("tl PixelBounds 2", tl.getPixelBounds(frc, NaN, NaN)); 70 testShape("tl Outline", tl.getOutline(nanTX)); 71 72 GlyphVector gv = font.createGlyphVector(frc, "abcdef"); 73 testShape("gv PixelBounds 1", gv.getPixelBounds(frc, 0, 0)); 74 testShape("gv PixelBounds 2", gv.getPixelBounds(frc, NaN, NaN)); 75 testShape("gv Outline", gv.getOutline(NaN, NaN)); 76 77 gv.setGlyphTransform(0, nanTX); 78 testShape("gv PixelBounds 1A", gv.getPixelBounds(frc, 0, 0)); 79 testShape("gv PixelBounds 2A", gv.getPixelBounds(frc, NaN, NaN)); 80 testShape("gv Outline A", gv.getOutline(NaN, NaN)); 81 82 g2d.drawString("BOO!", 20, 20); 83 84 Font nanFont; 85 for (int i=0; i<5000; i++) { 86 nanFont = font.deriveFont(Float.NaN); 87 g2d.setFont(nanFont); 88 g2d.drawString("abc", 20, 20); 89 } 90 System.out.println("Test passed (no crash)"); 91 } 92 }