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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 | } | ||