1 /* 2 * Copyright (c) 2016, 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 8073400 8198412 26 * @summary Some Monospaced logical fonts have a different width 27 * @author Dmitry Markov 28 * @run main MonospacedGlyphWidthTest 29 */ 30 import java.awt.Font; 31 import java.awt.GraphicsEnvironment; 32 import java.awt.font.FontRenderContext; 33 34 public class MonospacedGlyphWidthTest { 35 private static final int ASCII_START_INDEX = 0x0061; 36 private static final int ASCII_END_INDEX = 0x007A; 37 38 private static final int TEST_START_INDEX = 0x2018; 39 private static final int TEST_END_INDEX = 0x201F; 40 41 private static boolean checkChars(int start, int end, boolean except) { 42 Font font = new Font(Font.MONOSPACED, Font.PLAIN, 12); 43 double width = getCharWidth(font, 'a'); 44 45 for (int i = start; i <= end; i++) { 46 if (!(font.canDisplay(i))) { 47 if (except) { 48 continue; 49 } else { 50 return false; 51 } 52 } 53 if (width != getCharWidth(font, (char)i)) { 54 if (except) { 55 throw new RuntimeException( 56 "Test Failed: characters have different width!"); 57 } else { 58 return false; 59 } 60 } 61 } 62 return true; 63 } 64 65 private static double getCharWidth(Font font, char c) { 66 FontRenderContext fontRenderContext = new FontRenderContext(null, false, false); 67 return font.getStringBounds(new char[] {c}, 0, 1, fontRenderContext).getWidth(); 68 } 69 70 public static void main(String[] args) { 71 if (!checkChars(ASCII_START_INDEX, ASCII_END_INDEX, false)) { 72 System.out.println("It appears there are no suitable fonts"); 73 System.out.println("Here are the fonts found on this system:"); 74 GraphicsEnvironment ge = 75 GraphicsEnvironment.getLocalGraphicsEnvironment(); 76 Font[] fonts = ge.getAllFonts(); 77 for (Font f : fonts) { 78 System.out.println(f); 79 } 80 81 return; 82 } 83 84 checkChars(TEST_START_INDEX, TEST_END_INDEX, true); 85 System.out.println("Test Passed!"); 86 } 87 }