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