| /* |
| * Copyright (c) 2013, 2017, 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 |
| * @key headful |
| * @bug 8015556 |
| * @summary Surrogate pairs do not render properly on MacOS X. |
| */ |
| |
| import java.util.Locale; |
| import java.awt.*; |
| import java.awt.font.*; |
| import javax.swing.*; |
| |
| public class SuppCharTest { |
| |
| static String str = "ABC\uD840\uDC01\uD840\uDC00AB"; |
| static String EXTB_FONT = "MingLiU-ExtB"; |
| |
| public static void main(String args[]) throws Exception { |
| |
| final Font font = new Font(EXTB_FONT, Font.PLAIN, 36); |
| if (!EXTB_FONT.equalsIgnoreCase(font.getFamily(Locale.ENGLISH))) { |
| return; |
| } |
| |
| SwingUtilities.invokeLater(new Runnable(){ |
| @Override |
| public void run(){ |
| JFrame f = new JFrame("Test Supplementary Char Support"); |
| Component c = new SuppCharComp(font, str); |
| f.add("Center", c); |
| JButton b = new JButton(str); |
| b.setFont(font); |
| f.add("South", b); |
| f.pack(); |
| f.setVisible(true); |
| } |
| }); |
| |
| /* If a supplementary character was found, 'invisible glyphs' |
| * with value 65535 will be inserted in the place of the 2nd (low) |
| * char index. So we are looking here to make sure such substitutions |
| * took place. |
| */ |
| FontRenderContext frc = new FontRenderContext(null, false, false); |
| GlyphVector gv = font.createGlyphVector(frc, str); |
| int numGlyphs = gv.getNumGlyphs(); |
| int[] codes = gv.getGlyphCodes(0, numGlyphs, null); |
| boolean foundInvisibleGlyph = false; |
| for (int i=0; i<numGlyphs;i++) { |
| if (codes[i] == 65535) { |
| foundInvisibleGlyph = true; |
| break; |
| } |
| } |
| |
| if (!foundInvisibleGlyph) { |
| throw new RuntimeException("No invisible glyphs"); |
| } |
| |
| if (font.canDisplayUpTo(str) != -1) { |
| throw new RuntimeException("Font can't display all chars"); |
| } |
| |
| } |
| } |
| |
| class SuppCharComp extends Component { |
| |
| static final int w=400, h=250; |
| public Dimension preferredSize() { |
| return new Dimension(w,h); |
| } |
| |
| String str = null; |
| Font font = null; |
| public SuppCharComp(Font font, String str) { |
| this.font = font; |
| this.str = str; |
| } |
| public void paint(Graphics g) { |
| Graphics2D g2d = (Graphics2D)g.create(); |
| g2d.setColor(Color.white); |
| g2d.fillRect(0,0,w,h); |
| g2d.setColor(Color.black); |
| int y = 0; |
| g2d.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, |
| RenderingHints.VALUE_FRACTIONALMETRICS_ON); |
| g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, |
| RenderingHints.VALUE_TEXT_ANTIALIAS_ON); |
| |
| g2d.setFont(font); |
| g2d.drawString(str, 10, 50); |
| |
| FontRenderContext frc = g2d.getFontRenderContext(); |
| GlyphVector gv = font.createGlyphVector(frc, str); |
| g2d.drawGlyphVector(gv, 10, 100); |
| TextLayout tl = new TextLayout(str, font, frc); |
| tl.draw(g2d, 10, 150); |
| char[] ca = str.toCharArray(); |
| g2d.drawChars(ca, 0, ca.length, 10, 200); |
| |
| } |
| |
| } |
| |