J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1998-2006 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 | #ifdef __linux__ |
| 27 | #include <string.h> |
| 28 | #endif /* __linux__ */ |
| 29 | #include <stdio.h> |
| 30 | #include <stdlib.h> |
| 31 | #include <strings.h> |
| 32 | #include <sys/types.h> |
| 33 | #include <sys/stat.h> |
| 34 | #include <sys/mman.h> |
| 35 | #include <fcntl.h> |
| 36 | #include <unistd.h> |
| 37 | #ifdef __solaris__ |
| 38 | #include <sys/systeminfo.h> |
| 39 | #endif |
| 40 | |
| 41 | #include <jni.h> |
| 42 | #include <jni_util.h> |
| 43 | #include <sun_font_FontManager.h> |
| 44 | #ifndef HEADLESS |
| 45 | #include <X11/Xlib.h> |
| 46 | #include <awt.h> |
| 47 | #else |
| 48 | /* locks ought to be included from awt.h */ |
| 49 | #define AWT_LOCK() |
| 50 | #define AWT_UNLOCK() |
| 51 | #endif /* !HEADLESS */ |
| 52 | |
| 53 | #if defined(__linux__) && !defined(MAP_FAILED) |
| 54 | #define MAP_FAILED ((caddr_t)-1) |
| 55 | #endif |
| 56 | |
| 57 | #ifndef HEADLESS |
| 58 | extern Display *awt_display; |
| 59 | #endif /* !HEADLESS */ |
| 60 | |
| 61 | |
| 62 | #define MAXFDIRS 512 /* Max number of directories that contain fonts */ |
| 63 | |
| 64 | #ifndef __linux__ |
| 65 | /* |
| 66 | * This can be set in the makefile to "/usr/X11" if so desired. |
| 67 | */ |
| 68 | #ifndef OPENWINHOMELIB |
| 69 | #define OPENWINHOMELIB "/usr/openwin/lib/" |
| 70 | #endif |
| 71 | |
| 72 | /* This is all known Solaris X11 directories on Solaris 8, 9 and 10. |
| 73 | * It is ordered to give precedence to TrueType directories. |
| 74 | * It is needed if fontconfig is not installed or configured properly. |
| 75 | */ |
| 76 | static char *fullSolarisFontPath[] = { |
| 77 | OPENWINHOMELIB "X11/fonts/TrueType", |
| 78 | OPENWINHOMELIB "locale/euro_fonts/X11/fonts/TrueType", |
| 79 | OPENWINHOMELIB "locale/iso_8859_2/X11/fonts/TrueType", |
| 80 | OPENWINHOMELIB "locale/iso_8859_5/X11/fonts/TrueType", |
| 81 | OPENWINHOMELIB "locale/iso_8859_7/X11/fonts/TrueType", |
| 82 | OPENWINHOMELIB "locale/iso_8859_8/X11/fonts/TrueType", |
| 83 | OPENWINHOMELIB "locale/iso_8859_9/X11/fonts/TrueType", |
| 84 | OPENWINHOMELIB "locale/iso_8859_13/X11/fonts/TrueType", |
| 85 | OPENWINHOMELIB "locale/iso_8859_15/X11/fonts/TrueType", |
| 86 | OPENWINHOMELIB "locale/ar/X11/fonts/TrueType", |
| 87 | OPENWINHOMELIB "locale/hi_IN.UTF-8/X11/fonts/TrueType", |
| 88 | OPENWINHOMELIB "locale/ja/X11/fonts/TT", |
| 89 | OPENWINHOMELIB "locale/ko/X11/fonts/TrueType", |
| 90 | OPENWINHOMELIB "locale/ko.UTF-8/X11/fonts/TrueType", |
| 91 | OPENWINHOMELIB "locale/KOI8-R/X11/fonts/TrueType", |
| 92 | OPENWINHOMELIB "locale/ru.ansi-1251/X11/fonts/TrueType", |
| 93 | OPENWINHOMELIB "locale/th_TH/X11/fonts/TrueType", |
| 94 | OPENWINHOMELIB "locale/zh_TW/X11/fonts/TrueType", |
| 95 | OPENWINHOMELIB "locale/zh_TW.BIG5/X11/fonts/TT", |
| 96 | OPENWINHOMELIB "locale/zh_HK.BIG5HK/X11/fonts/TT", |
| 97 | OPENWINHOMELIB "locale/zh_CN.GB18030/X11/fonts/TrueType", |
| 98 | OPENWINHOMELIB "locale/zh/X11/fonts/TrueType", |
| 99 | OPENWINHOMELIB "locale/zh.GBK/X11/fonts/TrueType", |
| 100 | OPENWINHOMELIB "X11/fonts/Type1", |
| 101 | OPENWINHOMELIB "X11/fonts/Type1/sun", |
| 102 | OPENWINHOMELIB "X11/fonts/Type1/sun/outline", |
| 103 | OPENWINHOMELIB "locale/iso_8859_2/X11/fonts/Type1", |
| 104 | OPENWINHOMELIB "locale/iso_8859_4/X11/fonts/Type1", |
| 105 | OPENWINHOMELIB "locale/iso_8859_5/X11/fonts/Type1", |
| 106 | OPENWINHOMELIB "locale/iso_8859_7/X11/fonts/Type1", |
| 107 | OPENWINHOMELIB "locale/iso_8859_8/X11/fonts/Type1", |
| 108 | OPENWINHOMELIB "locale/iso_8859_9/X11/fonts/Type1", |
| 109 | OPENWINHOMELIB "locale/iso_8859_13/X11/fonts/Type1", |
| 110 | OPENWINHOMELIB "locale/ar/X11/fonts/Type1", |
| 111 | NULL, /* terminates the list */ |
| 112 | }; |
| 113 | |
| 114 | #else /* __linux */ |
| 115 | /* All the known interesting locations we have discovered on |
| 116 | * various flavors of Linux |
| 117 | */ |
| 118 | static char *fullLinuxFontPath[] = { |
| 119 | "/usr/X11R6/lib/X11/fonts/TrueType", /* RH 7.1+ */ |
| 120 | "/usr/X11R6/lib/X11/fonts/truetype", /* SuSE */ |
| 121 | "/usr/X11R6/lib/X11/fonts/tt", |
| 122 | "/usr/X11R6/lib/X11/fonts/TTF", |
| 123 | "/usr/X11R6/lib/X11/fonts/OTF", /* RH 9.0 (but empty!) */ |
| 124 | "/usr/share/fonts/ja/TrueType", /* RH 7.2+ */ |
| 125 | "/usr/share/fonts/truetype", |
| 126 | "/usr/share/fonts/ko/TrueType", /* RH 9.0 */ |
| 127 | "/usr/share/fonts/zh_CN/TrueType", /* RH 9.0 */ |
| 128 | "/usr/share/fonts/zh_TW/TrueType", /* RH 9.0 */ |
| 129 | "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType", /* Debian */ |
| 130 | "/usr/X11R6/lib/X11/fonts/Type1", |
| 131 | "/usr/share/fonts/default/Type1", /* RH 9.0 */ |
| 132 | NULL, /* terminates the list */ |
| 133 | }; |
| 134 | #endif |
| 135 | |
| 136 | static char **getFontConfigLocations(); |
| 137 | |
| 138 | typedef struct { |
| 139 | const char *name[MAXFDIRS]; |
| 140 | int num; |
| 141 | } fDirRecord, *fDirRecordPtr; |
| 142 | |
| 143 | #ifndef HEADLESS |
| 144 | |
| 145 | /* |
| 146 | * Returns True if display is local, False of it's remote. |
| 147 | */ |
| 148 | jboolean isDisplayLocal(JNIEnv *env) { |
| 149 | static jboolean isLocal = False; |
| 150 | static jboolean isLocalSet = False; |
| 151 | jboolean ret; |
| 152 | |
| 153 | if (isLocalSet) { |
| 154 | return isLocal; |
| 155 | } |
| 156 | |
| 157 | isLocal = JNU_CallStaticMethodByName(env, NULL, |
| 158 | "sun/awt/X11GraphicsEnvironment", |
| 159 | "isDisplayLocal", |
| 160 | "()Z").z; |
| 161 | isLocalSet = True; |
| 162 | return isLocal; |
| 163 | } |
| 164 | |
| 165 | static void AddFontsToX11FontPath ( fDirRecord *fDirP ) |
| 166 | { |
| 167 | char *onePath; |
| 168 | int index, nPaths; |
| 169 | int origNumPaths, length; |
| 170 | int origIndex; |
| 171 | int totalDirCount; |
| 172 | char **origFontPath; |
| 173 | char **tempFontPath; |
| 174 | int doNotAppend; |
| 175 | int *appendDirList; |
| 176 | char **newFontPath; |
| 177 | int err, compareLength; |
| 178 | char fontDirPath[512]; |
| 179 | int dirFile; |
| 180 | |
| 181 | doNotAppend = 0; |
| 182 | |
| 183 | if ( fDirP->num == 0 ) return; |
| 184 | |
| 185 | appendDirList = malloc ( fDirP->num * sizeof ( int )); |
| 186 | if ( appendDirList == NULL ) { |
| 187 | return; /* if it fails we cannot do much */ |
| 188 | } |
| 189 | |
| 190 | origFontPath = XGetFontPath ( awt_display, &nPaths ); |
| 191 | |
| 192 | totalDirCount = nPaths; |
| 193 | origNumPaths = nPaths; |
| 194 | tempFontPath = origFontPath; |
| 195 | |
| 196 | |
| 197 | for (index = 0; index < fDirP->num; index++ ) { |
| 198 | |
| 199 | doNotAppend = 0; |
| 200 | |
| 201 | tempFontPath = origFontPath; |
| 202 | for ( origIndex = 0; origIndex < nPaths; origIndex++ ) { |
| 203 | |
| 204 | onePath = *tempFontPath; |
| 205 | |
| 206 | compareLength = strlen ( onePath ); |
| 207 | if ( onePath[compareLength -1] == '/' ) |
| 208 | compareLength--; |
| 209 | |
| 210 | /* there is a slash at the end of every solaris X11 font path name */ |
| 211 | if ( strncmp ( onePath, fDirP->name[index], compareLength ) == 0 ) { |
| 212 | doNotAppend = 1; |
| 213 | break; |
| 214 | } |
| 215 | tempFontPath++; |
| 216 | } |
| 217 | |
| 218 | appendDirList[index] = 0; |
| 219 | if ( doNotAppend == 0 ) { |
| 220 | strcpy ( fontDirPath, fDirP->name[index] ); |
| 221 | strcat ( fontDirPath, "/fonts.dir" ); |
| 222 | dirFile = open ( fontDirPath, O_RDONLY, 0 ); |
| 223 | if ( dirFile == -1 ) { |
| 224 | doNotAppend = 1; |
| 225 | } else { |
| 226 | close ( dirFile ); |
| 227 | totalDirCount++; |
| 228 | appendDirList[index] = 1; |
| 229 | } |
| 230 | } |
| 231 | |
| 232 | } |
| 233 | |
| 234 | /* if no changes are required do not bother to do a setfontpath */ |
| 235 | if ( totalDirCount == nPaths ) { |
| 236 | free ( ( void *) appendDirList ); |
| 237 | XFreeFontPath ( origFontPath ); |
| 238 | return; |
| 239 | } |
| 240 | |
| 241 | |
| 242 | newFontPath = malloc ( totalDirCount * sizeof ( char **) ); |
| 243 | /* if it fails free things and get out */ |
| 244 | if ( newFontPath == NULL ) { |
| 245 | free ( ( void *) appendDirList ); |
| 246 | XFreeFontPath ( origFontPath ); |
| 247 | return; |
| 248 | } |
| 249 | |
| 250 | for ( origIndex = 0; origIndex < nPaths; origIndex++ ) { |
| 251 | onePath = origFontPath[origIndex]; |
| 252 | newFontPath[origIndex] = onePath; |
| 253 | } |
| 254 | |
| 255 | /* now add the other font paths */ |
| 256 | |
| 257 | for (index = 0; index < fDirP->num; index++ ) { |
| 258 | |
| 259 | if ( appendDirList[index] == 1 ) { |
| 260 | |
| 261 | /* printf ( "Appending %s\n", fDirP->name[index] ); */ |
| 262 | |
| 263 | onePath = malloc ( ( strlen (fDirP->name[index]) + 2 )* sizeof( char ) ); |
| 264 | strcpy ( onePath, fDirP->name[index] ); |
| 265 | strcat ( onePath, "/" ); |
| 266 | newFontPath[nPaths++] = onePath; |
| 267 | /* printf ( "The path to be appended is %s\n", onePath ); */ |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | /* printf ( "The dir count = %d\n", totalDirCount ); */ |
| 272 | free ( ( void *) appendDirList ); |
| 273 | |
| 274 | XSetFontPath ( awt_display, newFontPath, totalDirCount ); |
| 275 | |
| 276 | for ( index = origNumPaths; index < totalDirCount; index++ ) { |
| 277 | free( newFontPath[index] ); |
| 278 | } |
| 279 | |
| 280 | free ( (void *) newFontPath ); |
| 281 | XFreeFontPath ( origFontPath ); |
| 282 | return; |
| 283 | } |
| 284 | #endif /* !HEADLESS */ |
| 285 | |
| 286 | |
| 287 | #ifndef HEADLESS |
| 288 | static char **getX11FontPath () |
| 289 | { |
| 290 | char **x11Path, **fontdirs; |
| 291 | int i, pos, slen, nPaths, numDirs; |
| 292 | |
| 293 | x11Path = XGetFontPath (awt_display, &nPaths); |
| 294 | |
| 295 | /* This isn't ever going to be perfect: the font path may contain |
| 296 | * much we aren't interested in, but the cost should be moderate |
| 297 | * Exclude all directories that contain the strings "Speedo","/F3/", |
| 298 | * "75dpi", "100dpi", "misc" or "bitmap", or don't begin with a "/", |
| 299 | * the last of which should exclude font servers. |
| 300 | * Also exclude the user specific ".gnome*" directories which |
| 301 | * aren't going to contain the system fonts we need. |
| 302 | * Hopefully we are left only with Type1 and TrueType directories. |
| 303 | * It doesn't matter much if there are extraneous directories, it'll just |
| 304 | * cost us a little wasted effort upstream. |
| 305 | */ |
| 306 | fontdirs = (char**)calloc(nPaths+1, sizeof(char*)); |
| 307 | pos = 0; |
| 308 | for (i=0; i < nPaths; i++) { |
| 309 | if (x11Path[i][0] != '/') { |
| 310 | continue; |
| 311 | } |
| 312 | if (strstr(x11Path[i], "/75dpi") != NULL) { |
| 313 | continue; |
| 314 | } |
| 315 | if (strstr(x11Path[i], "/100dpi") != NULL) { |
| 316 | continue; |
| 317 | } |
| 318 | if (strstr(x11Path[i], "/misc") != NULL) { |
| 319 | continue; |
| 320 | } |
| 321 | if (strstr(x11Path[i], "/Speedo") != NULL) { |
| 322 | continue; |
| 323 | } |
| 324 | if (strstr(x11Path[i], ".gnome") != NULL) { |
| 325 | continue; |
| 326 | } |
| 327 | #ifdef __solaris__ |
| 328 | if (strstr(x11Path[i], "/F3/") != NULL) { |
| 329 | continue; |
| 330 | } |
| 331 | if (strstr(x11Path[i], "bitmap") != NULL) { |
| 332 | continue; |
| 333 | } |
| 334 | #endif |
| 335 | fontdirs[pos] = strdup(x11Path[i]); |
| 336 | slen = strlen(fontdirs[pos]); |
| 337 | if (slen > 0 && fontdirs[pos][slen-1] == '/') { |
| 338 | fontdirs[pos][slen-1] = '\0'; /* null out trailing "/" */ |
| 339 | } |
| 340 | pos++; |
| 341 | } |
| 342 | |
| 343 | XFreeFontPath(x11Path); |
| 344 | if (pos == 0) { |
| 345 | free(fontdirs); |
| 346 | fontdirs = NULL; |
| 347 | } |
| 348 | return fontdirs; |
| 349 | } |
| 350 | |
| 351 | |
| 352 | #endif /* !HEADLESS */ |
| 353 | |
| 354 | #ifdef __linux__ |
| 355 | /* from awt_LoadLibrary.c */ |
| 356 | JNIEXPORT jboolean JNICALL AWTIsHeadless(); |
| 357 | #endif |
| 358 | |
| 359 | /* This eliminates duplicates, at a non-linear but acceptable cost |
| 360 | * since the lists are expected to be reasonably short, and then |
| 361 | * deletes references to non-existent directories, and returns |
| 362 | * a single path consisting of unique font directories. |
| 363 | */ |
| 364 | static char* mergePaths(char **p1, char **p2, char **p3, jboolean noType1) { |
| 365 | |
| 366 | int len1=0, len2=0, len3=0, totalLen=0, numDirs=0, |
| 367 | currLen, i, j, found, pathLen=0; |
| 368 | char **ptr, **fontdirs; |
| 369 | char *fontPath = NULL; |
| 370 | |
| 371 | if (p1 != NULL) { |
| 372 | ptr = p1; |
| 373 | while (*ptr++ != NULL) len1++; |
| 374 | } |
| 375 | if (p2 != NULL) { |
| 376 | ptr = p2; |
| 377 | |
| 378 | while (*ptr++ != NULL) len2++; |
| 379 | } |
| 380 | if (p3 != NULL) { |
| 381 | ptr = p3; |
| 382 | while (*ptr++ != NULL) len3++; |
| 383 | } |
| 384 | totalLen = len1+len2+len3; |
| 385 | fontdirs = (char**)calloc(totalLen, sizeof(char*)); |
| 386 | |
| 387 | for (i=0; i < len1; i++) { |
| 388 | if (noType1 && strstr(p1[i], "Type1") != NULL) { |
| 389 | continue; |
| 390 | } |
| 391 | fontdirs[numDirs++] = p1[i]; |
| 392 | } |
| 393 | |
| 394 | currLen = numDirs; /* only compare against previous path dirs */ |
| 395 | for (i=0; i < len2; i++) { |
| 396 | if (noType1 && strstr(p2[i], "Type1") != NULL) { |
| 397 | continue; |
| 398 | } |
| 399 | found = 0; |
| 400 | for (j=0; j < currLen; j++) { |
| 401 | if (strcmp(fontdirs[j], p2[i]) == 0) { |
| 402 | found = 1; |
| 403 | break; |
| 404 | } |
| 405 | } |
| 406 | if (!found) { |
| 407 | fontdirs[numDirs++] = p2[i]; |
| 408 | } |
| 409 | } |
| 410 | |
| 411 | currLen = numDirs; /* only compare against previous path dirs */ |
| 412 | for (i=0; i < len3; i++) { |
| 413 | if (noType1 && strstr(p3[i], "Type1") != NULL) { |
| 414 | continue; |
| 415 | } |
| 416 | found = 0; |
| 417 | for (j=0; j < currLen; j++) { |
| 418 | if (strcmp(fontdirs[j], p3[i]) == 0) { |
| 419 | found = 1; |
| 420 | break; |
| 421 | } |
| 422 | } |
| 423 | if (!found) { |
| 424 | fontdirs[numDirs++] = p3[i]; |
| 425 | } |
| 426 | } |
| 427 | |
| 428 | /* Now fontdirs contains unique dirs and numDirs records how many. |
| 429 | * What we don't know is if they all exist. On reflection I think |
| 430 | * this isn't an issue, so for now I will return all these locations, |
| 431 | * converted to one string */ |
| 432 | for (i=0; i<numDirs; i++) { |
| 433 | pathLen += (strlen(fontdirs[i]) + 1); |
| 434 | } |
| 435 | if (pathLen > 0 && (fontPath = malloc(pathLen))) { |
| 436 | *fontPath = '\0'; |
| 437 | for (i = 0; i<numDirs; i++) { |
| 438 | if (i != 0) { |
| 439 | strcat(fontPath, ":"); |
| 440 | } |
| 441 | strcat(fontPath, fontdirs[i]); |
| 442 | } |
| 443 | } |
| 444 | free (fontdirs); |
| 445 | |
| 446 | return fontPath; |
| 447 | } |
| 448 | |
| 449 | /* |
| 450 | * The goal of this function is to find all "system" fonts which |
| 451 | * are needed by the JRE to display text in supported locales etc, and |
| 452 | * to support APIs which allow users to enumerate all system fonts and use |
| 453 | * them from their Java applications. |
| 454 | * The preferred mechanism is now using the new "fontconfig" library |
| 455 | * This exists on newer versions of Linux and Solaris (S10 and above) |
| 456 | * The library is dynamically located. The results are merged with |
| 457 | * a set of "known" locations and with the X11 font path, if running in |
| 458 | * a local X11 environment. |
| 459 | * The hardwired paths are built into the JDK binary so as new font locations |
| 460 | * are created on a host plaform for them to be located by the JRE they will |
| 461 | * need to be added ito the host's font configuration database, typically |
| 462 | * /etc/fonts/local.conf, and to ensure that directory contains a fonts.dir |
| 463 | * NB: Fontconfig also depends heavily for performance on the host O/S |
| 464 | * maintaining up to date caches. |
| 465 | * This is consistent with the requirements of the desktop environments |
| 466 | * on these OSes. |
| 467 | * This also frees us from X11 APIs as JRE is required to function in |
| 468 | * a "headless" mode where there is no Xserver. |
| 469 | */ |
| 470 | static char *getPlatformFontPathChars(JNIEnv *env, jboolean noType1) { |
| 471 | |
| 472 | char **fcdirs = NULL, **x11dirs = NULL, **knowndirs = NULL, *path = NULL; |
| 473 | |
| 474 | /* As of 1.5 we try to use fontconfig on both Solaris and Linux. |
| 475 | * If its not available NULL is returned. |
| 476 | */ |
| 477 | fcdirs = getFontConfigLocations(); |
| 478 | |
| 479 | #ifdef __linux__ |
| 480 | knowndirs = fullLinuxFontPath; |
| 481 | #else /* IF SOLARIS */ |
| 482 | knowndirs = fullSolarisFontPath; |
| 483 | #endif |
| 484 | |
| 485 | /* REMIND: this code requires to be executed when the GraphicsEnvironment |
| 486 | * is already initialised. That is always true, but if it were not so, |
| 487 | * this code could throw an exception and the fontpath would fail to |
| 488 | * be initialised. |
| 489 | */ |
| 490 | #ifndef HEADLESS |
| 491 | #ifdef __linux__ /* There's no headless build on linux ... */ |
| 492 | if (!AWTIsHeadless()) { /* .. so need to call a function to check */ |
| 493 | #endif |
| 494 | AWT_LOCK(); |
| 495 | if (isDisplayLocal(env)) { |
| 496 | x11dirs = getX11FontPath(); |
| 497 | } |
| 498 | AWT_UNLOCK(); |
| 499 | #ifdef __linux__ |
| 500 | } |
| 501 | #endif |
| 502 | #endif /* !HEADLESS */ |
| 503 | path = mergePaths(fcdirs, x11dirs, knowndirs, noType1); |
| 504 | if (fcdirs != NULL) { |
| 505 | char **p = fcdirs; |
| 506 | while (*p != NULL) free(*p++); |
| 507 | free(fcdirs); |
| 508 | } |
| 509 | |
| 510 | if (x11dirs != NULL) { |
| 511 | char **p = x11dirs; |
| 512 | while (*p != NULL) free(*p++); |
| 513 | free(x11dirs); |
| 514 | } |
| 515 | |
| 516 | return path; |
| 517 | } |
| 518 | |
| 519 | JNIEXPORT jstring JNICALL Java_sun_font_FontManager_getFontPath |
| 520 | (JNIEnv *env, jclass obj, jboolean noType1) { |
| 521 | jstring ret; |
| 522 | static char *ptr = NULL; /* retain result across calls */ |
| 523 | |
| 524 | if (ptr == NULL) { |
| 525 | ptr = getPlatformFontPathChars(env, noType1); |
| 526 | } |
| 527 | ret = (*env)->NewStringUTF(env, ptr); |
| 528 | return ret; |
| 529 | } |
| 530 | |
| 531 | /* |
| 532 | * In general setting the font path in a remote display situation is |
| 533 | * problematic. But for Solaris->Solaris the paths needed by the JRE should |
| 534 | * also be available to the server, although we have no way to check this |
| 535 | * for sure. |
| 536 | * So set the font path if we think its safe to do so: |
| 537 | * All Solaris X servers at least back to 2.6 and up to Solaris 10 |
| 538 | * define the exact same vendor string. |
| 539 | * The version number for Solaris 2.6 is 3600, for 2.7 is 3610 and |
| 540 | * for Solaris 8 6410 |
| 541 | * we want to set the font path only for 2.8 and onwards. Earlier releases |
| 542 | * are unlikely to have the right fonts and can't install "all locales" |
| 543 | * as needed to be sure. Also Solaris 8 is the earliest release supported |
| 544 | * by 1.5. |
| 545 | */ |
| 546 | #ifndef HEADLESS |
| 547 | static int isSunXServer() { |
| 548 | #ifdef __solaris__ |
| 549 | return (strcmp("Sun Microsystems, Inc.", ServerVendor(awt_display)) == 0 && |
| 550 | VendorRelease(awt_display) >= 6410); |
| 551 | #else |
| 552 | return 0; |
| 553 | #endif /* __solaris__ */ |
| 554 | } |
| 555 | |
| 556 | /* Avoid re-doing work for every call to setNativeFontPath */ |
| 557 | static int doSetFontPath = -1; |
| 558 | static int shouldSetXFontPath(JNIEnv *env) { |
| 559 | if (doSetFontPath == -1) { |
| 560 | doSetFontPath = |
| 561 | awt_display != NULL && (isDisplayLocal(env) || isSunXServer()); |
| 562 | } |
| 563 | return doSetFontPath; |
| 564 | } |
| 565 | #endif /* !HEADLESS */ |
| 566 | |
| 567 | JNIEXPORT void JNICALL Java_sun_font_FontManager_setNativeFontPath |
| 568 | (JNIEnv *env, jclass obj, jstring theString) { |
| 569 | #ifdef HEADLESS |
| 570 | return; |
| 571 | #else |
| 572 | fDirRecord fDir; |
| 573 | const char *theChars; |
| 574 | |
| 575 | if (awt_display == NULL) { |
| 576 | return; |
| 577 | } |
| 578 | AWT_LOCK(); |
| 579 | if (shouldSetXFontPath(env)) { |
| 580 | theChars = (*env)->GetStringUTFChars (env, theString, 0); |
| 581 | fDir.num = 1; |
| 582 | fDir.name[0] = theChars; |
| 583 | /* printf ("Registering the font path here %s \n", theChars ); */ |
| 584 | AddFontsToX11FontPath ( &fDir ); |
| 585 | if (theChars) { |
| 586 | (*env)->ReleaseStringUTFChars (env, |
| 587 | theString, (const char*)theChars); |
| 588 | } |
| 589 | } |
| 590 | AWT_UNLOCK(); |
| 591 | |
| 592 | #endif |
| 593 | } |
| 594 | |
| 595 | /* This isn't yet used on unix, the implementation is added since shared |
| 596 | * code calls this method in preparation for future use. |
| 597 | */ |
| 598 | /* Obtain all the fontname -> filename mappings. |
| 599 | * This is called once and the results returned to Java code which can |
| 600 | * use it for lookups to reduce or avoid the need to search font files. |
| 601 | */ |
| 602 | JNIEXPORT void JNICALL |
| 603 | Java_sun_font_FontManager_populateFontFileNameMap |
| 604 | (JNIEnv *env, jclass obj, jobject fontToFileMap, |
| 605 | jobject fontToFamilyMap, jobject familyToFontListMap, jobject locale) |
| 606 | { |
| 607 | return; |
| 608 | } |
| 609 | |
| 610 | #include <dlfcn.h> |
| 611 | #ifndef __linux__ /* i.e. is solaris */ |
| 612 | #include <link.h> |
| 613 | #endif |
| 614 | |
| 615 | #include "fontconfig.h" |
| 616 | |
| 617 | |
| 618 | static void* openFontConfig() { |
| 619 | |
| 620 | char *homeEnv; |
| 621 | static char *homeEnvStr = "HOME="; /* must be static */ |
| 622 | void* libfontconfig = NULL; |
| 623 | #ifdef __solaris__ |
| 624 | #define SYSINFOBUFSZ 8 |
| 625 | char sysinfobuf[SYSINFOBUFSZ]; |
| 626 | #endif |
| 627 | |
| 628 | /* Private workaround to not use fontconfig library. |
| 629 | * May be useful during testing/debugging |
| 630 | */ |
| 631 | char *useFC = getenv("USE_J2D_FONTCONFIG"); |
| 632 | if (useFC != NULL && !strcmp(useFC, "no")) { |
| 633 | return NULL; |
| 634 | } |
| 635 | |
| 636 | #ifdef __solaris__ |
| 637 | /* fontconfig is likely not properly configured on S8/S9 - skip it, |
| 638 | * although allow user to override this behaviour with an env. variable |
| 639 | * ie if USE_J2D_FONTCONFIG=yes then we skip this test. |
| 640 | * NB "4" is the length of a string which matches our patterns. |
| 641 | */ |
| 642 | if (useFC == NULL || strcmp(useFC, "yes")) { |
| 643 | if (sysinfo(SI_RELEASE, sysinfobuf, SYSINFOBUFSZ) == 4) { |
| 644 | if ((!strcmp(sysinfobuf, "5.8") || !strcmp(sysinfobuf, "5.9"))) { |
| 645 | return NULL; |
| 646 | } |
| 647 | } |
| 648 | } |
| 649 | #endif |
| 650 | /* 64 bit sparc should pick up the right version from the lib path. |
| 651 | * New features may be added to libfontconfig, this is expected to |
| 652 | * be compatible with old features, but we may need to start |
| 653 | * distinguishing the library version, to know whether to expect |
| 654 | * certain symbols - and functionality - to be available. |
| 655 | * Also add explicit search for .so.1 in case .so symlink doesn't exist. |
| 656 | */ |
| 657 | libfontconfig = dlopen("libfontconfig.so.1", RTLD_LOCAL|RTLD_LAZY); |
| 658 | if (libfontconfig == NULL) { |
| 659 | libfontconfig = dlopen("libfontconfig.so", RTLD_LOCAL|RTLD_LAZY); |
| 660 | if (libfontconfig == NULL) { |
| 661 | return NULL; |
| 662 | } |
| 663 | } |
| 664 | |
| 665 | /* Version 1.0 of libfontconfig crashes if HOME isn't defined in |
| 666 | * the environment. This should generally never happen, but we can't |
| 667 | * control it, and can't control the version of fontconfig, so iff |
| 668 | * its not defined we set it to an empty value which is sufficient |
| 669 | * to prevent a crash. I considered unsetting it before exit, but |
| 670 | * it doesn't appear to work on Solaris, so I will leave it set. |
| 671 | */ |
| 672 | homeEnv = getenv("HOME"); |
| 673 | if (homeEnv == NULL) { |
| 674 | putenv(homeEnvStr); |
| 675 | } |
| 676 | |
| 677 | return libfontconfig; |
| 678 | } |
| 679 | |
| 680 | typedef void* (FcFiniFuncType)(); |
| 681 | |
| 682 | static void closeFontConfig(void* libfontconfig, jboolean fcFini) { |
| 683 | |
| 684 | /* NB FcFini is not in (eg) the Solaris 10 version of fontconfig. Its not |
| 685 | * clear if this means we are really leaking resources in those cases |
| 686 | * but it seems we should call this function when its available. |
| 687 | * But since the Swing GTK code may be still accessing the lib, its probably |
| 688 | * safest for now to just let this "leak" rather than potentially |
| 689 | * concurrently free global data still in use by other code. |
| 690 | */ |
| 691 | #if 0 |
| 692 | if (fcFini) { /* release resources */ |
| 693 | FcFiniFuncType FcFini = (FcFiniFuncType)dlsym(libfontconfig, "FcFini"); |
| 694 | |
| 695 | if (FcFini != NULL) { |
| 696 | (*FcFini)(); |
| 697 | } |
| 698 | } |
| 699 | #endif |
| 700 | dlclose(libfontconfig); |
| 701 | } |
| 702 | |
| 703 | typedef FcConfig* (*FcInitLoadConfigFuncType)(); |
| 704 | typedef FcPattern* (*FcPatternBuildFuncType)(FcPattern *orig, ...); |
| 705 | typedef FcObjectSet* (*FcObjectSetFuncType)(const char *first, ...); |
| 706 | typedef FcFontSet* (*FcFontListFuncType)(FcConfig *config, |
| 707 | FcPattern *p, |
| 708 | FcObjectSet *os); |
| 709 | typedef FcResult (*FcPatternGetBoolFuncType)(const FcPattern *p, |
| 710 | const char *object, |
| 711 | int n, |
| 712 | FcBool *b); |
| 713 | typedef FcResult (*FcPatternGetIntegerFuncType)(const FcPattern *p, |
| 714 | const char *object, |
| 715 | int n, |
| 716 | int *i); |
| 717 | typedef FcResult (*FcPatternGetStringFuncType)(const FcPattern *p, |
| 718 | const char *object, |
| 719 | int n, |
| 720 | FcChar8 ** s); |
| 721 | typedef FcChar8* (*FcStrDirnameFuncType)(const FcChar8 *file); |
| 722 | typedef void (*FcPatternDestroyFuncType)(FcPattern *p); |
| 723 | typedef void (*FcFontSetDestroyFuncType)(FcFontSet *s); |
| 724 | typedef FcPattern* (*FcNameParseFuncType)(const FcChar8 *name); |
| 725 | typedef FcBool (*FcPatternAddStringFuncType)(FcPattern *p, |
| 726 | const char *object, |
| 727 | const FcChar8 *s); |
| 728 | typedef void (*FcDefaultSubstituteFuncType)(FcPattern *p); |
| 729 | typedef FcBool (*FcConfigSubstituteFuncType)(FcConfig *config, |
| 730 | FcPattern *p, |
| 731 | FcMatchKind kind); |
| 732 | typedef FcPattern* (*FcFontMatchFuncType)(FcConfig *config, |
| 733 | FcPattern *p, |
| 734 | FcResult *result); |
| 735 | typedef FcFontSet* (*FcFontSetCreateFuncType)(); |
| 736 | typedef FcBool (*FcFontSetAddFuncType)(FcFontSet *s, FcPattern *font); |
| 737 | |
| 738 | |
| 739 | static char **getFontConfigLocations() { |
| 740 | |
| 741 | char **fontdirs; |
| 742 | int numdirs = 0; |
| 743 | FcInitLoadConfigFuncType FcInitLoadConfig; |
| 744 | FcPatternBuildFuncType FcPatternBuild; |
| 745 | FcObjectSetFuncType FcObjectSetBuild; |
| 746 | FcFontListFuncType FcFontList; |
| 747 | FcPatternGetStringFuncType FcPatternGetString; |
| 748 | FcStrDirnameFuncType FcStrDirname; |
| 749 | FcPatternDestroyFuncType FcPatternDestroy; |
| 750 | FcFontSetDestroyFuncType FcFontSetDestroy; |
| 751 | |
| 752 | FcConfig *fontconfig; |
| 753 | FcPattern *pattern; |
| 754 | FcObjectSet *objset; |
| 755 | FcFontSet *fontSet; |
| 756 | FcStrList *strList; |
| 757 | FcChar8 *str; |
| 758 | int i, f, found, len=0; |
| 759 | char **fontPath; |
| 760 | |
| 761 | void* libfontconfig = openFontConfig(); |
| 762 | |
| 763 | if (libfontconfig == NULL) { |
| 764 | return NULL; |
| 765 | } |
| 766 | |
| 767 | FcPatternBuild = |
| 768 | (FcPatternBuildFuncType)dlsym(libfontconfig, "FcPatternBuild"); |
| 769 | FcObjectSetBuild = |
| 770 | (FcObjectSetFuncType)dlsym(libfontconfig, "FcObjectSetBuild"); |
| 771 | FcFontList = |
| 772 | (FcFontListFuncType)dlsym(libfontconfig, "FcFontList"); |
| 773 | FcPatternGetString = |
| 774 | (FcPatternGetStringFuncType)dlsym(libfontconfig, "FcPatternGetString"); |
| 775 | FcStrDirname = |
| 776 | (FcStrDirnameFuncType)dlsym(libfontconfig, "FcStrDirname"); |
| 777 | FcPatternDestroy = |
| 778 | (FcPatternDestroyFuncType)dlsym(libfontconfig, "FcPatternDestroy"); |
| 779 | FcFontSetDestroy = |
| 780 | (FcFontSetDestroyFuncType)dlsym(libfontconfig, "FcFontSetDestroy"); |
| 781 | |
| 782 | if (FcPatternBuild == NULL || |
| 783 | FcObjectSetBuild == NULL || |
| 784 | FcPatternGetString == NULL || |
| 785 | FcFontList == NULL || |
| 786 | FcStrDirname == NULL || |
| 787 | FcPatternDestroy == NULL || |
| 788 | FcFontSetDestroy == NULL) { /* problem with the library: return. */ |
| 789 | closeFontConfig(libfontconfig, JNI_FALSE); |
| 790 | return NULL; |
| 791 | } |
| 792 | |
| 793 | /* Make calls into the fontconfig library to build a search for |
| 794 | * outline fonts, and to get the set of full file paths from the matches. |
| 795 | * This set is returned from the call to FcFontList(..) |
| 796 | * We allocate an array of char* pointers sufficient to hold all |
| 797 | * the matches + 1 extra which ensures there will be a NULL after all |
| 798 | * valid entries. |
| 799 | * We call FcStrDirname strip the file name from the path, and |
| 800 | * check if we have yet seen this directory. If not we add a pointer to |
| 801 | * it into our array of char*. Note that FcStrDirname returns newly |
| 802 | * allocated storage so we can use this in the return char** value. |
| 803 | * Finally we clean up, freeing allocated resources, and return the |
| 804 | * array of unique directories. |
| 805 | */ |
| 806 | pattern = (*FcPatternBuild)(NULL, FC_OUTLINE, FcTypeBool, FcTrue, NULL); |
| 807 | objset = (*FcObjectSetBuild)(FC_FILE, NULL); |
| 808 | fontSet = (*FcFontList)(NULL, pattern, objset); |
| 809 | fontdirs = (char**)calloc(fontSet->nfont+1, sizeof(char*)); |
| 810 | for (f=0; f < fontSet->nfont; f++) { |
| 811 | FcChar8 *file; |
| 812 | FcChar8 *dir; |
| 813 | if ((*FcPatternGetString)(fontSet->fonts[f], FC_FILE, 0, &file) == |
| 814 | FcResultMatch) { |
| 815 | dir = (*FcStrDirname)(file); |
| 816 | found = 0; |
| 817 | for (i=0;i<numdirs; i++) { |
| 818 | if (strcmp(fontdirs[i], (char*)dir) == 0) { |
| 819 | found = 1; |
| 820 | break; |
| 821 | } |
| 822 | } |
| 823 | if (!found) { |
| 824 | fontdirs[numdirs++] = (char*)dir; |
| 825 | } else { |
| 826 | free((char*)dir); |
| 827 | } |
| 828 | } |
| 829 | } |
| 830 | |
| 831 | /* Free memory and close the ".so" */ |
| 832 | (*FcFontSetDestroy)(fontSet); |
| 833 | (*FcPatternDestroy)(pattern); |
| 834 | closeFontConfig(libfontconfig, JNI_TRUE); |
| 835 | return fontdirs; |
| 836 | } |
| 837 | |
| 838 | /* These are copied from sun.awt.SunHints. |
| 839 | * Consider initialising them as ints using JNI for more robustness. |
| 840 | */ |
| 841 | #define TEXT_AA_OFF 1 |
| 842 | #define TEXT_AA_ON 2 |
| 843 | #define TEXT_AA_LCD_HRGB 4 |
| 844 | #define TEXT_AA_LCD_HBGR 5 |
| 845 | #define TEXT_AA_LCD_VRGB 6 |
| 846 | #define TEXT_AA_LCD_VBGR 7 |
| 847 | |
| 848 | JNIEXPORT jint JNICALL |
| 849 | Java_sun_font_FontManager_getFontConfigAASettings |
| 850 | (JNIEnv *env, jclass obj, jstring localeStr, jstring fcNameStr) { |
| 851 | |
| 852 | FcNameParseFuncType FcNameParse; |
| 853 | FcPatternAddStringFuncType FcPatternAddString; |
| 854 | FcConfigSubstituteFuncType FcConfigSubstitute; |
| 855 | FcDefaultSubstituteFuncType FcDefaultSubstitute; |
| 856 | FcFontMatchFuncType FcFontMatch; |
| 857 | FcPatternGetBoolFuncType FcPatternGetBool; |
| 858 | FcPatternGetIntegerFuncType FcPatternGetInteger; |
| 859 | FcPatternDestroyFuncType FcPatternDestroy; |
| 860 | |
| 861 | FcPattern *pattern, *matchPattern; |
| 862 | FcResult result; |
| 863 | FcBool antialias = FcFalse; |
| 864 | int rgba = 0; |
| 865 | const char *locale=NULL, *fcName=NULL; |
| 866 | void* libfontconfig; |
| 867 | |
| 868 | if (fcNameStr == NULL || localeStr == NULL) { |
| 869 | return -1; |
| 870 | } |
| 871 | |
| 872 | fcName = (*env)->GetStringUTFChars(env, fcNameStr, 0); |
| 873 | if (fcName == NULL) { |
| 874 | return -1; |
| 875 | } |
| 876 | locale = (*env)->GetStringUTFChars(env, localeStr, 0); |
| 877 | |
| 878 | if ((libfontconfig = openFontConfig()) == NULL) { |
| 879 | (*env)->ReleaseStringUTFChars (env, fcNameStr, (const char*)fcName); |
| 880 | if (locale) { |
| 881 | (*env)->ReleaseStringUTFChars (env, localeStr,(const char*)locale); |
| 882 | } |
| 883 | return -1; |
| 884 | } |
| 885 | |
| 886 | FcNameParse = (FcNameParseFuncType)dlsym(libfontconfig, "FcNameParse"); |
| 887 | FcPatternAddString = |
| 888 | (FcPatternAddStringFuncType)dlsym(libfontconfig, "FcPatternAddString"); |
| 889 | FcConfigSubstitute = |
| 890 | (FcConfigSubstituteFuncType)dlsym(libfontconfig, "FcConfigSubstitute"); |
| 891 | FcDefaultSubstitute = (FcDefaultSubstituteFuncType) |
| 892 | dlsym(libfontconfig, "FcDefaultSubstitute"); |
| 893 | FcFontMatch = (FcFontMatchFuncType)dlsym(libfontconfig, "FcFontMatch"); |
| 894 | FcPatternGetBool = (FcPatternGetBoolFuncType) |
| 895 | dlsym(libfontconfig, "FcPatternGetBool"); |
| 896 | FcPatternGetInteger = (FcPatternGetIntegerFuncType) |
| 897 | dlsym(libfontconfig, "FcPatternGetInteger"); |
| 898 | FcPatternDestroy = |
| 899 | (FcPatternDestroyFuncType)dlsym(libfontconfig, "FcPatternDestroy"); |
| 900 | |
| 901 | if (FcNameParse == NULL || |
| 902 | FcPatternAddString == NULL || |
| 903 | FcConfigSubstitute == NULL || |
| 904 | FcDefaultSubstitute == NULL || |
| 905 | FcFontMatch == NULL || |
| 906 | FcPatternGetBool == NULL || |
| 907 | FcPatternGetInteger == NULL || |
| 908 | FcPatternDestroy == NULL) { /* problem with the library: return. */ |
| 909 | |
| 910 | (*env)->ReleaseStringUTFChars (env, fcNameStr, (const char*)fcName); |
| 911 | if (locale) { |
| 912 | (*env)->ReleaseStringUTFChars (env, localeStr,(const char*)locale); |
| 913 | } |
| 914 | closeFontConfig(libfontconfig, JNI_FALSE); |
| 915 | return -1; |
| 916 | } |
| 917 | |
| 918 | |
| 919 | pattern = (*FcNameParse)((FcChar8 *)fcName); |
| 920 | if (locale != NULL) { |
| 921 | (*FcPatternAddString)(pattern, FC_LANG, (unsigned char*)locale); |
| 922 | } |
| 923 | (*FcConfigSubstitute)(NULL, pattern, FcMatchPattern); |
| 924 | (*FcDefaultSubstitute)(pattern); |
| 925 | matchPattern = (*FcFontMatch)(NULL, pattern, &result); |
| 926 | /* Perhaps should call FcFontRenderPrepare() here as some pattern |
| 927 | * elements might change as a result of that call, but I'm not seeing |
| 928 | * any difference in testing. |
| 929 | */ |
| 930 | if (matchPattern) { |
| 931 | (*FcPatternGetBool)(matchPattern, FC_ANTIALIAS, 0, &antialias); |
| 932 | (*FcPatternGetInteger)(matchPattern, FC_RGBA, 0, &rgba); |
| 933 | (*FcPatternDestroy)(matchPattern); |
| 934 | } |
| 935 | (*FcPatternDestroy)(pattern); |
| 936 | |
| 937 | (*env)->ReleaseStringUTFChars (env, fcNameStr, (const char*)fcName); |
| 938 | if (locale) { |
| 939 | (*env)->ReleaseStringUTFChars (env, localeStr, (const char*)locale); |
| 940 | } |
| 941 | closeFontConfig(libfontconfig, JNI_TRUE); |
| 942 | |
| 943 | if (antialias == FcFalse) { |
| 944 | return TEXT_AA_OFF; |
| 945 | } else if (rgba <= FC_RGBA_UNKNOWN || rgba >= FC_RGBA_NONE) { |
| 946 | return TEXT_AA_ON; |
| 947 | } else { |
| 948 | switch (rgba) { |
| 949 | case FC_RGBA_RGB : return TEXT_AA_LCD_HRGB; |
| 950 | case FC_RGBA_BGR : return TEXT_AA_LCD_HBGR; |
| 951 | case FC_RGBA_VRGB : return TEXT_AA_LCD_VRGB; |
| 952 | case FC_RGBA_VBGR : return TEXT_AA_LCD_VBGR; |
| 953 | default : return TEXT_AA_LCD_HRGB; // should not get here. |
| 954 | } |
| 955 | } |
| 956 | } |
| 957 | |
| 958 | |
| 959 | JNIEXPORT void JNICALL |
| 960 | Java_sun_font_FontManager_getFontConfig |
| 961 | (JNIEnv *env, jclass obj, jstring localeStr, jobjectArray fontInfoArray) { |
| 962 | |
| 963 | FcNameParseFuncType FcNameParse; |
| 964 | FcPatternAddStringFuncType FcPatternAddString; |
| 965 | FcConfigSubstituteFuncType FcConfigSubstitute; |
| 966 | FcDefaultSubstituteFuncType FcDefaultSubstitute; |
| 967 | FcFontMatchFuncType FcFontMatch; |
| 968 | FcPatternGetStringFuncType FcPatternGetString; |
| 969 | FcPatternDestroyFuncType FcPatternDestroy; |
| 970 | |
| 971 | int i, arrlen; |
| 972 | jobject fontInfoObj; |
| 973 | jstring fcNameStr, jstr; |
| 974 | const char *locale, *fcName; |
| 975 | FcPattern *pattern, *matchPattern; |
| 976 | FcResult result; |
| 977 | void* libfontconfig; |
| 978 | jfieldID fcNameID, familyNameID, fontFileID; |
| 979 | |
| 980 | jclass fontInfoArrayClass = |
| 981 | (*env)->FindClass(env, "[Lsun/font/FontManager$FontConfigInfo;"); |
| 982 | jclass fontInfoClass = |
| 983 | (*env)->FindClass(env, "sun/font/FontManager$FontConfigInfo"); |
| 984 | |
| 985 | if (fontInfoArray == NULL || fontInfoClass == NULL) { |
| 986 | return; |
| 987 | } |
| 988 | |
| 989 | fcNameID = (*env)->GetFieldID(env, fontInfoClass, |
| 990 | "fcName", "Ljava/lang/String;"); |
| 991 | familyNameID = (*env)->GetFieldID(env, fontInfoClass, |
| 992 | "familyName", "Ljava/lang/String;"); |
| 993 | fontFileID = (*env)->GetFieldID(env, fontInfoClass, |
| 994 | "fontFile", "Ljava/lang/String;"); |
| 995 | |
| 996 | if (fcNameID == NULL || familyNameID == NULL || fontFileID == NULL) { |
| 997 | return; |
| 998 | } |
| 999 | |
| 1000 | if ((libfontconfig = openFontConfig()) == NULL) { |
| 1001 | return; |
| 1002 | } |
| 1003 | |
| 1004 | FcNameParse = (FcNameParseFuncType)dlsym(libfontconfig, "FcNameParse"); |
| 1005 | FcPatternAddString = |
| 1006 | (FcPatternAddStringFuncType)dlsym(libfontconfig, "FcPatternAddString"); |
| 1007 | FcConfigSubstitute = |
| 1008 | (FcConfigSubstituteFuncType)dlsym(libfontconfig, "FcConfigSubstitute"); |
| 1009 | FcDefaultSubstitute = (FcDefaultSubstituteFuncType) |
| 1010 | dlsym(libfontconfig, "FcDefaultSubstitute"); |
| 1011 | FcFontMatch = (FcFontMatchFuncType)dlsym(libfontconfig, "FcFontMatch"); |
| 1012 | FcPatternGetString = |
| 1013 | (FcPatternGetStringFuncType)dlsym(libfontconfig, "FcPatternGetString"); |
| 1014 | FcPatternDestroy = |
| 1015 | (FcPatternDestroyFuncType)dlsym(libfontconfig, "FcPatternDestroy"); |
| 1016 | |
| 1017 | if (FcNameParse == NULL || |
| 1018 | FcPatternAddString == NULL || |
| 1019 | FcConfigSubstitute == NULL || |
| 1020 | FcDefaultSubstitute == NULL || |
| 1021 | FcFontMatch == NULL || |
| 1022 | FcPatternGetString == NULL || |
| 1023 | FcPatternDestroy == NULL) { /* problem with the library: return. */ |
| 1024 | closeFontConfig(libfontconfig, JNI_FALSE); |
| 1025 | return; |
| 1026 | } |
| 1027 | |
| 1028 | locale = (*env)->GetStringUTFChars(env, localeStr, 0); |
| 1029 | |
| 1030 | arrlen = (*env)->GetArrayLength(env, fontInfoArray); |
| 1031 | for (i=0; i<arrlen; i++) { |
| 1032 | fontInfoObj = (*env)->GetObjectArrayElement(env, fontInfoArray, i); |
| 1033 | fcNameStr = |
| 1034 | (jstring)((*env)->GetObjectField(env, fontInfoObj, fcNameID)); |
| 1035 | fcName = (*env)->GetStringUTFChars(env, fcNameStr, 0); |
| 1036 | if (fcName == NULL) { |
| 1037 | continue; |
| 1038 | } |
| 1039 | pattern = (*FcNameParse)((FcChar8 *)fcName); |
| 1040 | /* locale may not usually be necessary as fontconfig appears to apply |
| 1041 | * this anyway based on the user's environment. However we want |
| 1042 | * to use the value of the JDK startup locale so this should take |
| 1043 | * care of it. |
| 1044 | */ |
| 1045 | if (locale != NULL) { |
| 1046 | (*FcPatternAddString)(pattern, FC_LANG, (unsigned char*)locale); |
| 1047 | } |
| 1048 | (*FcConfigSubstitute)(NULL, pattern, FcMatchPattern); |
| 1049 | (*FcDefaultSubstitute)(pattern); |
| 1050 | matchPattern = (*FcFontMatch)(NULL, pattern, &result); |
| 1051 | if (matchPattern) { |
| 1052 | FcChar8 *file, *family; |
| 1053 | |
| 1054 | (*FcPatternGetString)(matchPattern, FC_FILE, 0, &file); |
| 1055 | (*FcPatternGetString)(matchPattern, FC_FAMILY, 0, &family); |
| 1056 | |
| 1057 | if (file != NULL) { |
| 1058 | jstr = (*env)->NewStringUTF(env, (const char*)file); |
| 1059 | ((*env)->SetObjectField(env, fontInfoObj, fontFileID, jstr)); |
| 1060 | } |
| 1061 | if (family != NULL) { |
| 1062 | jstr = (*env)->NewStringUTF(env, (const char*)family); |
| 1063 | ((*env)->SetObjectField(env, fontInfoObj, familyNameID, jstr)); |
| 1064 | } |
| 1065 | (*FcPatternDestroy)(matchPattern); |
| 1066 | } |
| 1067 | (*env)->ReleaseStringUTFChars (env, fcNameStr, (const char*)fcName); |
| 1068 | (*FcPatternDestroy)(pattern); |
| 1069 | } |
| 1070 | |
| 1071 | /* release resources and close the ".so" */ |
| 1072 | |
| 1073 | if (locale) { |
| 1074 | (*env)->ReleaseStringUTFChars (env, localeStr, (const char*)locale); |
| 1075 | } |
| 1076 | closeFontConfig(libfontconfig, JNI_TRUE); |
| 1077 | } |