1 /* 2 * Copyright (c) 2013, 2017, 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 * @key headful 27 * @bug 8015556 28 * @summary Surrogate pairs do not render properly on MacOS X. 29 */ 30 31 import java.util.Locale; 32 import java.awt.*; 33 import java.awt.font.*; 34 import javax.swing.*; 35 36 public class SuppCharTest { 37 38 static String str = "ABC\uD840\uDC01\uD840\uDC00AB"; 39 static String EXTB_FONT = "MingLiU-ExtB"; 40 41 public static void main(String args[]) throws Exception { 42 43 final Font font = new Font(EXTB_FONT, Font.PLAIN, 36); 44 if (!EXTB_FONT.equalsIgnoreCase(font.getFamily(Locale.ENGLISH))) { 45 return; 46 } 47 48 SwingUtilities.invokeLater(new Runnable(){ 49 @Override 50 public void run(){ 51 JFrame f = new JFrame("Test Supplementary Char Support"); 52 Component c = new SuppCharComp(font, str); 53 f.add("Center", c); 54 JButton b = new JButton(str); 55 b.setFont(font); 56 f.add("South", b); 57 f.pack(); 58 f.setVisible(true); 59 } 60 }); 61 62 /* If a supplementary character was found, 'invisible glyphs' 63 * with value 65535 will be inserted in the place of the 2nd (low) 64 * char index. So we are looking here to make sure such substitutions 65 * took place. 66 */ 67 FontRenderContext frc = new FontRenderContext(null, false, false); 68 GlyphVector gv = font.createGlyphVector(frc, str); 69 int numGlyphs = gv.getNumGlyphs(); 70 int[] codes = gv.getGlyphCodes(0, numGlyphs, null); 71 boolean foundInvisibleGlyph = false; 72 for (int i=0; i<numGlyphs;i++) { 73 if (codes[i] == 65535) { 74 foundInvisibleGlyph = true; 75 break; 76 } 77 } 78 79 if (!foundInvisibleGlyph) { 80 throw new RuntimeException("No invisible glyphs"); 81 } 82 83 if (font.canDisplayUpTo(str) != -1) { 84 throw new RuntimeException("Font can't display all chars"); 85 } 86 87 } 88 } 89 90 class SuppCharComp extends Component { 91 92 static final int w=400, h=250; 93 public Dimension preferredSize() { 94 return new Dimension(w,h); 95 } 96 97 String str = null; 98 Font font = null; 99 public SuppCharComp(Font font, String str) { 100 this.font = font; 101 this.str = str; 102 } 103 public void paint(Graphics g) { 104 Graphics2D g2d = (Graphics2D)g.create(); 105 g2d.setColor(Color.white); 106 g2d.fillRect(0,0,w,h); 107 g2d.setColor(Color.black); 108 int y = 0; 109 g2d.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, 110 RenderingHints.VALUE_FRACTIONALMETRICS_ON); 111 g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, 112 RenderingHints.VALUE_TEXT_ANTIALIAS_ON); 113 114 g2d.setFont(font); 115 g2d.drawString(str, 10, 50); 116 117 FontRenderContext frc = g2d.getFontRenderContext(); 118 GlyphVector gv = font.createGlyphVector(frc, str); 119 g2d.drawGlyphVector(gv, 10, 100); 120 TextLayout tl = new TextLayout(str, font, frc); 121 tl.draw(g2d, 10, 150); 122 char[] ca = str.toCharArray(); 123 g2d.drawChars(ca, 0, ca.length, 10, 200); 124 125 } 126 127 } 128