1 /* 2 * Copyright (c) 2015, 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 7162125 27 * @summary Test ligatures form on OS X. 28 */ 29 30 import java.awt.Color; 31 import java.awt.Font; 32 import java.awt.Graphics2D; 33 import java.awt.image.BufferedImage; 34 import java.awt.font.TextAttribute; 35 import java.util.HashMap; 36 import java.util.Map; 37 38 public class OSXLigatureTest { 39 40 public static void main(String[] args) { 41 if (!System.getProperty("os.name").startsWith("Mac")) { 42 return; 43 } 44 String ligStr = "ffi"; 45 int w = 50, h = 50; 46 47 BufferedImage bi1 = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB); 48 Graphics2D bi1Graphics = bi1.createGraphics(); 49 bi1Graphics.setColor(Color.white); 50 bi1Graphics.fillRect(0, 0, w, h); 51 bi1Graphics.setColor(Color.black); 52 Font noLigFont = new Font("Gill Sans", Font.PLAIN, 30); 53 bi1Graphics.setFont(noLigFont); 54 bi1Graphics.drawString(ligStr, 10, 40); 55 56 BufferedImage bi2 = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB); 57 Graphics2D bi2Graphics = bi2.createGraphics(); 58 bi2Graphics.setColor(Color.white); 59 bi2Graphics.fillRect(0, 0, w, h); 60 bi2Graphics.setColor(Color.black); 61 Map<TextAttribute, Object> attributes = new HashMap<>(); 62 attributes.put(TextAttribute.LIGATURES, TextAttribute.LIGATURES_ON); 63 Font ligFont = noLigFont.deriveFont(attributes); 64 bi2Graphics.setFont(ligFont); 65 bi2Graphics.drawString(ligStr, 10, 40); 66 67 boolean same = true; 68 for (int x = 0; x < w; x++) { 69 for (int y = 0; y < h; y++) { 70 int c1 = bi1.getRGB(x, y); 71 int c2 = bi2.getRGB(x, y); 72 same &= (c1 == c2); 73 } 74 if (!same) { 75 break; 76 } 77 } 78 if (same) { 79 throw new RuntimeException("Images do not differ - no ligature"); 80 } 81 } 82 }