| /* |
| * Copyright (c) 1996, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package sun.awt; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.OutputStreamWriter; |
| import java.io.IOException;; |
| import java.nio.charset.Charset; |
| import java.nio.charset.CharsetEncoder; |
| import java.nio.charset.StandardCharsets; |
| |
| public class FontDescriptor implements Cloneable { |
| |
| static { |
| NativeLibLoader.loadLibraries(); |
| initIDs(); |
| } |
| |
| String nativeName; |
| public CharsetEncoder encoder; |
| String charsetName; |
| private int[] exclusionRanges; |
| |
| public FontDescriptor(String nativeName, CharsetEncoder encoder, |
| int[] exclusionRanges){ |
| |
| this.nativeName = nativeName; |
| this.encoder = encoder; |
| this.exclusionRanges = exclusionRanges; |
| this.useUnicode = false; |
| Charset cs = encoder.charset(); |
| // The following looks odd but its the only public way to get the |
| // historical name if one exists and the canonical name otherwise. |
| try { |
| OutputStreamWriter osw = new OutputStreamWriter(new ByteArrayOutputStream(), cs); |
| this.charsetName = osw.getEncoding(); |
| osw.close(); |
| } catch (IOException ioe) { |
| } |
| } |
| |
| public String getNativeName() { |
| return nativeName; |
| } |
| |
| public CharsetEncoder getFontCharsetEncoder() { |
| return encoder; |
| } |
| |
| public String getFontCharsetName() { |
| return charsetName; |
| } |
| |
| public int[] getExclusionRanges() { |
| return exclusionRanges; |
| } |
| |
| /** |
| * Return true if the character is exclusion character. |
| */ |
| public boolean isExcluded(char ch){ |
| for (int i = 0; i < exclusionRanges.length; ){ |
| |
| int lo = (exclusionRanges[i++]); |
| int up = (exclusionRanges[i++]); |
| |
| if (ch >= lo && ch <= up){ |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public String toString() { |
| return super.toString() + " [" + nativeName + "|" + encoder + "]"; |
| } |
| |
| /** |
| * Initialize JNI field and method IDs |
| */ |
| private static native void initIDs(); |
| |
| |
| public CharsetEncoder unicodeEncoder; |
| boolean useUnicode; // set to true from native code on Unicode-based systems |
| |
| public boolean useUnicode() { |
| if (useUnicode && unicodeEncoder == null) { |
| try { |
| this.unicodeEncoder = isLE? |
| StandardCharsets.UTF_16LE.newEncoder(): |
| StandardCharsets.UTF_16BE.newEncoder(); |
| } catch (IllegalArgumentException x) {} |
| } |
| return useUnicode; |
| } |
| static boolean isLE; |
| static { |
| String enc = java.security.AccessController.doPrivileged( |
| new sun.security.action.GetPropertyAction("sun.io.unicode.encoding", |
| "UnicodeBig")); |
| isLE = !"UnicodeBig".equals(enc); |
| } |
| } |