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| 1 | +/* | |
| 2 | + * Copyright (c) 1996, 2005, 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 { | |
| 35 | + NativeLibLoader.loadLibraries(); | |
| 36 | + initIDs(); | |
| 37 | + } | |
| 38 | + | |
| 39 | + String nativeName; | |
| 40 | + public CharsetEncoder encoder; | |
| 41 | + String charsetName; | |
| 42 | + private int[] exclusionRanges; | |
| 43 | + | |
| 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 | + | |
| 59 | + public String getNativeName() { | |
| 60 | + return nativeName; | |
| 61 | + } | |
| 62 | + | |
| 63 | + public CharsetEncoder getFontCharsetEncoder() { | |
| 64 | + return encoder; | |
| 65 | + } | |
| 66 | + | |
| 67 | + public String getFontCharsetName() { | |
| 68 | + return charsetName; | |
| 69 | + } | |
| 70 | + | |
| 71 | + public int[] getExclusionRanges() { | |
| 72 | + return exclusionRanges; | |
| 73 | + } | |
| 74 | + | |
| 75 | + /** | |
| 76 | + * Return true if the character is exclusion character. | |
| 77 | + */ | |
| 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 | + | |
| 91 | + public String toString() { | |
| 92 | + return super.toString() + " [" + nativeName + "|" + encoder + "]"; | |
| 93 | + } | |
| 94 | + | |
| 95 | + /** | |
| 96 | + * Initialize JNI field and method IDs | |
| 97 | + */ | |
| 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 | + | |
| 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 | +} | |