1 /* 2 * Copyright (c) 1996, 2011, 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 package sun.awt; 26 27 import java.nio.charset.Charset; 28 import java.nio.charset.CharsetEncoder; 29 import java.nio.charset.StandardCharsets; 30 import sun.nio.cs.HistoricallyNamedCharset; 31 32 public class FontDescriptor implements Cloneable { 33 34 static { NativeLibLoader.loadLibraries()35 NativeLibLoader.loadLibraries(); initIDs()36 initIDs(); 37 } 38 39 String nativeName; 40 public CharsetEncoder encoder; 41 String charsetName; 42 private int[] exclusionRanges; 43 FontDescriptor(String nativeName, CharsetEncoder encoder, int[] exclusionRanges)44 public FontDescriptor(String nativeName, CharsetEncoder encoder, 45 int[] exclusionRanges){ 46 47 this.nativeName = nativeName; 48 this.encoder = encoder; 49 this.exclusionRanges = exclusionRanges; 50 this.useUnicode = false; 51 Charset cs = encoder.charset(); 52 if (cs instanceof HistoricallyNamedCharset) 53 this.charsetName = ((HistoricallyNamedCharset)cs).historicalName(); 54 else 55 this.charsetName = cs.name(); 56 57 } 58 getNativeName()59 public String getNativeName() { 60 return nativeName; 61 } 62 getFontCharsetEncoder()63 public CharsetEncoder getFontCharsetEncoder() { 64 return encoder; 65 } 66 getFontCharsetName()67 public String getFontCharsetName() { 68 return charsetName; 69 } 70 getExclusionRanges()71 public int[] getExclusionRanges() { 72 return exclusionRanges; 73 } 74 75 /** 76 * Return true if the character is exclusion character. 77 */ isExcluded(char ch)78 public boolean isExcluded(char ch){ 79 for (int i = 0; i < exclusionRanges.length; ){ 80 81 int lo = (exclusionRanges[i++]); 82 int up = (exclusionRanges[i++]); 83 84 if (ch >= lo && ch <= up){ 85 return true; 86 } 87 } 88 return false; 89 } 90 toString()91 public String toString() { 92 return super.toString() + " [" + nativeName + "|" + encoder + "]"; 93 } 94 95 /** 96 * Initialize JNI field and method IDs 97 */ initIDs()98 private static native void initIDs(); 99 100 101 public CharsetEncoder unicodeEncoder; 102 boolean useUnicode; // set to true from native code on Unicode-based systems 103 useUnicode()104 public boolean useUnicode() { 105 if (useUnicode && unicodeEncoder == null) { 106 try { 107 this.unicodeEncoder = isLE? 108 StandardCharsets.UTF_16LE.newEncoder(): 109 StandardCharsets.UTF_16BE.newEncoder(); 110 } catch (IllegalArgumentException x) {} 111 } 112 return useUnicode; 113 } 114 static boolean isLE; 115 static { 116 String enc = (String) java.security.AccessController.doPrivileged( 117 new sun.security.action.GetPropertyAction("sun.io.unicode.encoding", 118 "UnicodeBig")); 119 isLE = !"UnicodeBig".equals(enc); 120 } 121 } 122