J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1996-2005 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | package sun.awt; |
| 26 | |
| 27 | import java.nio.charset.Charset; |
| 28 | import java.nio.charset.CharsetEncoder; |
| 29 | import sun.nio.cs.HistoricallyNamedCharset; |
| 30 | |
| 31 | public class FontDescriptor implements Cloneable { |
| 32 | |
| 33 | static { |
| 34 | NativeLibLoader.loadLibraries(); |
| 35 | initIDs(); |
| 36 | } |
| 37 | |
| 38 | String nativeName; |
| 39 | public CharsetEncoder encoder; |
| 40 | String charsetName; |
| 41 | private int[] exclusionRanges; |
| 42 | |
| 43 | public FontDescriptor(String nativeName, CharsetEncoder encoder, |
| 44 | int[] exclusionRanges){ |
| 45 | |
| 46 | this.nativeName = nativeName; |
| 47 | this.encoder = encoder; |
| 48 | this.exclusionRanges = exclusionRanges; |
| 49 | this.useUnicode = false; |
| 50 | Charset cs = encoder.charset(); |
| 51 | if (cs instanceof HistoricallyNamedCharset) |
| 52 | this.charsetName = ((HistoricallyNamedCharset)cs).historicalName(); |
| 53 | else |
| 54 | this.charsetName = cs.name(); |
| 55 | |
| 56 | } |
| 57 | |
| 58 | public String getNativeName() { |
| 59 | return nativeName; |
| 60 | } |
| 61 | |
| 62 | public CharsetEncoder getFontCharsetEncoder() { |
| 63 | return encoder; |
| 64 | } |
| 65 | |
| 66 | public String getFontCharsetName() { |
| 67 | return charsetName; |
| 68 | } |
| 69 | |
| 70 | public int[] getExclusionRanges() { |
| 71 | return exclusionRanges; |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Return true if the character is exclusion character. |
| 76 | */ |
| 77 | public boolean isExcluded(char ch){ |
| 78 | for (int i = 0; i < exclusionRanges.length; ){ |
| 79 | |
| 80 | int lo = (exclusionRanges[i++]); |
| 81 | int up = (exclusionRanges[i++]); |
| 82 | |
| 83 | if (ch >= lo && ch <= up){ |
| 84 | return true; |
| 85 | } |
| 86 | } |
| 87 | return false; |
| 88 | } |
| 89 | |
| 90 | public String toString() { |
| 91 | return super.toString() + " [" + nativeName + "|" + encoder + "]"; |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * Initialize JNI field and method IDs |
| 96 | */ |
| 97 | private static native void initIDs(); |
| 98 | |
| 99 | |
| 100 | public CharsetEncoder unicodeEncoder; |
| 101 | boolean useUnicode; // set to true from native code on Unicode-based systems |
| 102 | |
| 103 | public boolean useUnicode() { |
| 104 | if (useUnicode && unicodeEncoder == null) { |
| 105 | try { |
| 106 | this.unicodeEncoder = isLE? |
| 107 | Charset.forName("UTF_16LE").newEncoder(): |
| 108 | Charset.forName("UTF_16BE").newEncoder(); |
| 109 | } catch (IllegalArgumentException x) {} |
| 110 | } |
| 111 | return useUnicode; |
| 112 | } |
| 113 | static boolean isLE; |
| 114 | static { |
| 115 | String enc = (String) java.security.AccessController.doPrivileged( |
| 116 | new sun.security.action.GetPropertyAction("sun.io.unicode.encoding", |
| 117 | "UnicodeBig")); |
| 118 | isLE = !"UnicodeBig".equals(enc); |
| 119 | } |
| 120 | } |