| /* |
| * Copyright (c) 2015, 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 |
| * @bug 6357987 6513889 8023213 |
| * @summary Font/Text APIs should not crash if transform includes NaN |
| * @author prr |
| * @run main NaNTransform |
| */ |
| import java.awt.*; |
| import java.awt.font.*; |
| import java.awt.geom.*; |
| import java.awt.image.*; |
| |
| public class NaNTransform { |
| |
| private static void testShape(String msg, Shape s) { |
| if (!(new Area(s).isEmpty())) { |
| System.out.println(msg+"="+s); |
| throw new RuntimeException("Warning: expected this to be empty"); |
| } |
| } |
| |
| public static void main(String [] args) { |
| |
| float NaN=0f/0f; |
| float[] vals = new float[6]; |
| for (int i=0;i<6;i++) vals[i]=NaN; |
| AffineTransform nanTX = new AffineTransform(vals); |
| |
| BufferedImage bi = new BufferedImage(1,1,BufferedImage.TYPE_INT_RGB); |
| Graphics2D g2d = bi.createGraphics(); |
| |
| g2d.rotate(NaN); |
| |
| Font font = g2d.getFont(); |
| FontMetrics fm = g2d.getFontMetrics(); |
| FontRenderContext frc = g2d.getFontRenderContext(); |
| |
| int adv = fm.stringWidth("ABCDEF"); |
| if (adv != 0) { |
| System.out.println("strWidth="+adv); |
| throw new RuntimeException("Warning: expected this to be zero"); |
| } |
| testShape("strBounds", font.getStringBounds("12345", frc)); |
| |
| TextLayout tl = new TextLayout("Some text", font, frc); |
| testShape("tl PixelBounds 1", tl.getPixelBounds(frc, 20, 10)); |
| testShape("tl PixelBounds 2", tl.getPixelBounds(frc, NaN, NaN)); |
| testShape("tl Outline", tl.getOutline(nanTX)); |
| |
| GlyphVector gv = font.createGlyphVector(frc, "abcdef"); |
| testShape("gv PixelBounds 1", gv.getPixelBounds(frc, 0, 0)); |
| testShape("gv PixelBounds 2", gv.getPixelBounds(frc, NaN, NaN)); |
| testShape("gv Outline", gv.getOutline(NaN, NaN)); |
| |
| gv.setGlyphTransform(0, nanTX); |
| testShape("gv PixelBounds 1A", gv.getPixelBounds(frc, 0, 0)); |
| testShape("gv PixelBounds 2A", gv.getPixelBounds(frc, NaN, NaN)); |
| testShape("gv Outline A", gv.getOutline(NaN, NaN)); |
| |
| g2d.drawString("BOO!", 20, 20); |
| |
| Font nanFont; |
| for (int i=0; i<5000; i++) { |
| nanFont = font.deriveFont(Float.NaN); |
| g2d.setFont(nanFont); |
| g2d.drawString("abc", 20, 20); |
| } |
| System.out.println("Test passed (no crash)"); |
| } |
| } |