1/* 2 * Copyright (c) 1997, 2013, 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 26package java.awt.font; 27 28/** 29 * The {@code OpenType} interface represents OpenType and 30 * TrueType fonts. This interface makes it possible to obtain 31 * <i>sfnt</i> tables from the font. A particular 32 * {@code Font} object can implement this interface. 33 * <p> 34 * For more information on TrueType and OpenType fonts, see the 35 * OpenType specification. 36 * ( <a href="http://www.microsoft.com/typography/otspec/">http://www.microsoft.com/typography/otspec/</a> ). 37 */ 38public interface OpenType { 39 40 /* 51 tag types so far */ 41 42 /** 43 * Character to glyph mapping. Table tag "cmap" in the Open 44 * Type Specification. 45 */ 46 public static final int TAG_CMAP = 0x636d6170; 47 48 /** 49 * Font header. Table tag "head" in the Open 50 * Type Specification. 51 */ 52 public static final int TAG_HEAD = 0x68656164; 53 54 /** 55 * Naming table. Table tag "name" in the Open 56 * Type Specification. 57 */ 58 public static final int TAG_NAME = 0x6e616d65; 59 60 /** 61 * Glyph data. Table tag "glyf" in the Open 62 * Type Specification. 63 */ 64 public static final int TAG_GLYF = 0x676c7966; 65 66 /** 67 * Maximum profile. Table tag "maxp" in the Open 68 * Type Specification. 69 */ 70 public static final int TAG_MAXP = 0x6d617870; 71 72 /** 73 * CVT preprogram. Table tag "prep" in the Open 74 * Type Specification. 75 */ 76 public static final int TAG_PREP = 0x70726570; 77 78 /** 79 * Horizontal metrics. Table tag "hmtx" in the Open 80 * Type Specification. 81 */ 82 public static final int TAG_HMTX = 0x686d7478; 83 84 /** 85 * Kerning. Table tag "kern" in the Open 86 * Type Specification. 87 */ 88 public static final int TAG_KERN = 0x6b65726e; 89 90 /** 91 * Horizontal device metrics. Table tag "hdmx" in the Open 92 * Type Specification. 93 */ 94 public static final int TAG_HDMX = 0x68646d78; 95 96 /** 97 * Index to location. Table tag "loca" in the Open 98 * Type Specification. 99 */ 100 public static final int TAG_LOCA = 0x6c6f6361; 101 102 /** 103 * PostScript Information. Table tag "post" in the Open 104 * Type Specification. 105 */ 106 public static final int TAG_POST = 0x706f7374; 107 108 /** 109 * OS/2 and Windows specific metrics. Table tag "OS/2" 110 * in the Open Type Specification. 111 */ 112 public static final int TAG_OS2 = 0x4f532f32; 113 114 /** 115 * Control value table. Table tag "cvt " 116 * in the Open Type Specification. 117 */ 118 public static final int TAG_CVT = 0x63767420; 119 120 /** 121 * Grid-fitting and scan conversion procedure. Table tag 122 * "gasp" in the Open Type Specification. 123 */ 124 public static final int TAG_GASP = 0x67617370; 125 126 /** 127 * Vertical device metrics. Table tag "VDMX" in the Open 128 * Type Specification. 129 */ 130 public static final int TAG_VDMX = 0x56444d58; 131 132 /** 133 * Vertical metrics. Table tag "vmtx" in the Open 134 * Type Specification. 135 */ 136 public static final int TAG_VMTX = 0x766d7478; 137 138 /** 139 * Vertical metrics header. Table tag "vhea" in the Open 140 * Type Specification. 141 */ 142 public static final int TAG_VHEA = 0x76686561; 143 144 /** 145 * Horizontal metrics header. Table tag "hhea" in the Open 146 * Type Specification. 147 */ 148 public static final int TAG_HHEA = 0x68686561; 149 150 /** 151 * Adobe Type 1 font data. Table tag "typ1" in the Open 152 * Type Specification. 153 */ 154 public static final int TAG_TYP1 = 0x74797031; 155 156 /** 157 * Baseline table. Table tag "bsln" in the Open 158 * Type Specification. 159 */ 160 public static final int TAG_BSLN = 0x62736c6e; 161 162 /** 163 * Glyph substitution. Table tag "GSUB" in the Open 164 * Type Specification. 165 */ 166 public static final int TAG_GSUB = 0x47535542; 167 168 /** 169 * Digital signature. Table tag "DSIG" in the Open 170 * Type Specification. 171 */ 172 public static final int TAG_DSIG = 0x44534947; 173 174 /** 175 * Font program. Table tag "fpgm" in the Open 176 * Type Specification. 177 */ 178 public static final int TAG_FPGM = 0x6670676d; 179 180 /** 181 * Font variation. Table tag "fvar" in the Open 182 * Type Specification. 183 */ 184 public static final int TAG_FVAR = 0x66766172; 185 186 /** 187 * Glyph variation. Table tag "gvar" in the Open 188 * Type Specification. 189 */ 190 public static final int TAG_GVAR = 0x67766172; 191 192 /** 193 * Compact font format (Type1 font). Table tag 194 * "CFF " in the Open Type Specification. 195 */ 196 public static final int TAG_CFF = 0x43464620; 197 198 /** 199 * Multiple master supplementary data. Table tag 200 * "MMSD" in the Open Type Specification. 201 */ 202 public static final int TAG_MMSD = 0x4d4d5344; 203 204 /** 205 * Multiple master font metrics. Table tag 206 * "MMFX" in the Open Type Specification. 207 */ 208 public static final int TAG_MMFX = 0x4d4d4658; 209 210 /** 211 * Baseline data. Table tag "BASE" in the Open 212 * Type Specification. 213 */ 214 public static final int TAG_BASE = 0x42415345; 215 216 /** 217 * Glyph definition. Table tag "GDEF" in the Open 218 * Type Specification. 219 */ 220 public static final int TAG_GDEF = 0x47444546; 221 222 /** 223 * Glyph positioning. Table tag "GPOS" in the Open 224 * Type Specification. 225 */ 226 public static final int TAG_GPOS = 0x47504f53; 227 228 /** 229 * Justification. Table tag "JSTF" in the Open 230 * Type Specification. 231 */ 232 public static final int TAG_JSTF = 0x4a535446; 233 234 /** 235 * Embedded bitmap data. Table tag "EBDT" in the Open 236 * Type Specification. 237 */ 238 public static final int TAG_EBDT = 0x45424454; 239 240 /** 241 * Embedded bitmap location. Table tag "EBLC" in the Open 242 * Type Specification. 243 */ 244 public static final int TAG_EBLC = 0x45424c43; 245 246 /** 247 * Embedded bitmap scaling. Table tag "EBSC" in the Open 248 * Type Specification. 249 */ 250 public static final int TAG_EBSC = 0x45425343; 251 252 /** 253 * Linear threshold. Table tag "LTSH" in the Open 254 * Type Specification. 255 */ 256 public static final int TAG_LTSH = 0x4c545348; 257 258 /** 259 * PCL 5 data. Table tag "PCLT" in the Open 260 * Type Specification. 261 */ 262 public static final int TAG_PCLT = 0x50434c54; 263 264 /** 265 * Accent attachment. Table tag "acnt" in the Open 266 * Type Specification. 267 */ 268 public static final int TAG_ACNT = 0x61636e74; 269 270 /** 271 * Axis variation. Table tag "avar" in the Open 272 * Type Specification. 273 */ 274 public static final int TAG_AVAR = 0x61766172; 275 276 /** 277 * Bitmap data. Table tag "bdat" in the Open 278 * Type Specification. 279 */ 280 public static final int TAG_BDAT = 0x62646174; 281 282 /** 283 * Bitmap location. Table tag "bloc" in the Open 284 * Type Specification. 285 */ 286 public static final int TAG_BLOC = 0x626c6f63; 287 288 /** 289 * CVT variation. Table tag "cvar" in the Open 290 * Type Specification. 291 */ 292 public static final int TAG_CVAR = 0x63766172; 293 294 /** 295 * Feature name. Table tag "feat" in the Open 296 * Type Specification. 297 */ 298 public static final int TAG_FEAT = 0x66656174; 299 300 /** 301 * Font descriptors. Table tag "fdsc" in the Open 302 * Type Specification. 303 */ 304 public static final int TAG_FDSC = 0x66647363; 305 306 /** 307 * Font metrics. Table tag "fmtx" in the Open 308 * Type Specification. 309 */ 310 public static final int TAG_FMTX = 0x666d7478; 311 312 /** 313 * Justification. Table tag "just" in the Open 314 * Type Specification. 315 */ 316 public static final int TAG_JUST = 0x6a757374; 317 318 /** 319 * Ligature caret. Table tag "lcar" in the Open 320 * Type Specification. 321 */ 322 public static final int TAG_LCAR = 0x6c636172; 323 324 /** 325 * Glyph metamorphosis. Table tag "mort" in the Open 326 * Type Specification. 327 */ 328 public static final int TAG_MORT = 0x6d6f7274; 329 330 /** 331 * Optical bounds. Table tag "opbd" in the Open 332 * Type Specification. 333 */ 334 public static final int TAG_OPBD = 0x6F706264; 335 336 /** 337 * Glyph properties. Table tag "prop" in the Open 338 * Type Specification. 339 */ 340 public static final int TAG_PROP = 0x70726f70; 341 342 /** 343 * Tracking. Table tag "trak" in the Open 344 * Type Specification. 345 */ 346 public static final int TAG_TRAK = 0x7472616b; 347 348 /** 349 * Returns the version of the {@code OpenType} font. 350 * 1.0 is represented as 0x00010000. 351 * @return the version of the {@code OpenType} font. 352 */ 353 public int getVersion(); 354 355 /** 356 * Returns the table as an array of bytes for a specified tag. 357 * Tags for sfnt tables include items like <i>cmap</i>, 358 * <i>name</i> and <i>head</i>. The {@code byte} array 359 * returned is a copy of the font data in memory. 360 * @param sfntTag a four-character code as a 32-bit integer 361 * @return a {@code byte} array that is the table that 362 * contains the font data corresponding to the specified 363 * tag. 364 */ 365 public byte[] getFontTable(int sfntTag); 366 367 /** 368 * Returns the table as an array of bytes for a specified tag. 369 * Tags for sfnt tables include items like <i>cmap</i>, 370 * <i>name</i> and <i>head</i>. The byte array returned is a 371 * copy of the font data in memory. 372 * @param strSfntTag a four-character code as a 373 * {@code String} 374 * @return a {@code byte} array that is the table that 375 * contains the font data corresponding to the specified 376 * tag. 377 */ 378 public byte[] getFontTable(String strSfntTag); 379 380 /** 381 * Returns a subset of the table as an array of bytes 382 * for a specified tag. Tags for sfnt tables include 383 * items like <i>cmap</i>, <i>name</i> and <i>head</i>. 384 * The byte array returned is a copy of the font data in 385 * memory. 386 * @param sfntTag a four-character code as a 32-bit integer 387 * @param offset index of first byte to return from table 388 * @param count number of bytes to return from table 389 * @return a subset of the table corresponding to 390 * {@code sfntTag} and containing the bytes 391 * starting at {@code offset} byte and including 392 * {@code count} bytes. 393 */ 394 public byte[] getFontTable(int sfntTag, int offset, int count); 395 396 /** 397 * Returns a subset of the table as an array of bytes 398 * for a specified tag. Tags for sfnt tables include items 399 * like <i>cmap</i>, <i>name</i> and <i>head</i>. The 400 * {@code byte} array returned is a copy of the font 401 * data in memory. 402 * @param strSfntTag a four-character code as a 403 * {@code String} 404 * @param offset index of first byte to return from table 405 * @param count number of bytes to return from table 406 * @return a subset of the table corresponding to 407 * {@code strSfntTag} and containing the bytes 408 * starting at {@code offset} byte and including 409 * {@code count} bytes. 410 */ 411 public byte[] getFontTable(String strSfntTag, int offset, int count); 412 413 /** 414 * Returns the size of the table for a specified tag. Tags for sfnt 415 * tables include items like <i>cmap</i>, <i>name</i> and <i>head</i>. 416 * @param sfntTag a four-character code as a 32-bit integer 417 * @return the size of the table corresponding to the specified 418 * tag. 419 */ 420 public int getFontTableSize(int sfntTag); 421 422 /** 423 * Returns the size of the table for a specified tag. Tags for sfnt 424 * tables include items like <i>cmap</i>, <i>name</i> and <i>head</i>. 425 * @param strSfntTag a four-character code as a 426 * {@code String} 427 * @return the size of the table corresponding to the specified tag. 428 */ 429 public int getFontTableSize(String strSfntTag); 430 431 432} 433