J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2003-2005 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 | |
| 26 | package sun.font; |
| 27 | |
| 28 | import java.awt.FontFormatException; |
| 29 | import java.awt.font.FontRenderContext; |
| 30 | import java.awt.geom.GeneralPath; |
| 31 | import java.awt.geom.Rectangle2D; |
| 32 | import java.util.HashMap; |
| 33 | import java.util.Locale; |
| 34 | |
| 35 | /* |
| 36 | * This needs work to distinguish between XMap's translation from unicode |
| 37 | * to the encoding used to access the X font, and whether a particular |
| 38 | * code point is in the font. |
| 39 | * ie a GlyphMapper ought to be able to say if a code point maps to a glyph |
| 40 | * IN THIS FONT, not just in this encoding. |
| 41 | * Because of the current lack of distinction the NativeGlyphMapper and |
| 42 | * XMap classes could be merged, however its cleaner to make them separate |
| 43 | * classes so we can build caches for a particular font. |
| 44 | */ |
| 45 | public class NativeGlyphMapper extends CharToGlyphMapper { |
| 46 | |
| 47 | NativeFont font; |
| 48 | XMap xmapper; |
| 49 | int numGlyphs; |
| 50 | |
| 51 | NativeGlyphMapper(NativeFont f) { |
| 52 | font = f; |
| 53 | xmapper = XMap.getXMapper(font.encoding); |
| 54 | numGlyphs = f.getNumGlyphs(); |
| 55 | missingGlyph = 0; |
| 56 | } |
| 57 | |
| 58 | public int getNumGlyphs() { |
| 59 | return numGlyphs; |
| 60 | } |
| 61 | |
| 62 | public int charToGlyph(char unicode) { |
| 63 | if (unicode >= xmapper.convertedGlyphs.length) { |
| 64 | return 0; |
| 65 | } else { |
| 66 | return xmapper.convertedGlyphs[unicode]; |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | public int charToGlyph(int unicode) { |
| 71 | if (unicode >= xmapper.convertedGlyphs.length) { |
| 72 | return 0; |
| 73 | } else { |
| 74 | return xmapper.convertedGlyphs[unicode]; |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | public void charsToGlyphs(int count, char[] unicodes, int[] glyphs) { |
| 79 | for (int i=0; i<count; i++) { |
| 80 | char code = unicodes[i]; |
| 81 | if (code >= xmapper.convertedGlyphs.length) { |
| 82 | glyphs[i] = 0; |
| 83 | } else { |
| 84 | glyphs[i] = xmapper.convertedGlyphs[code]; |
| 85 | } |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | public boolean charsToGlyphsNS(int count, char[] unicodes, int[] glyphs) { |
| 90 | charsToGlyphs(count, unicodes, glyphs); |
| 91 | return false; |
| 92 | } |
| 93 | |
| 94 | public void charsToGlyphs(int count, int[] unicodes, int[] glyphs) { |
| 95 | for (int i=0; i<count; i++) { |
| 96 | char code = (char)unicodes[i]; |
| 97 | if (code >= xmapper.convertedGlyphs.length) { |
| 98 | glyphs[i] = 0; |
| 99 | } else { |
| 100 | glyphs[i] = xmapper.convertedGlyphs[code]; |
| 101 | } |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | } |