1 /* 2 * Copyright (c) 1998, 2018, 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 26 #if defined(__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 <jvm_md.h> 44 #include <sizecalc.h> 45 #ifndef HEADLESS 46 #include <X11/Xlib.h> 47 #include <awt.h> 48 #else 49 /* locks ought to be included from awt.h */ 50 #define AWT_LOCK() 51 #define AWT_UNLOCK() 52 #endif /* !HEADLESS */ 53 54 #if defined(__linux__) && !defined(MAP_FAILED) 55 #define MAP_FAILED ((caddr_t)-1) 56 #endif 57 58 #ifndef HEADLESS 59 extern Display *awt_display; 60 #endif /* !HEADLESS */ 61 62 #define FONTCONFIG_DLL_VERSIONED VERSIONED_JNI_LIB_NAME("fontconfig", "1") 63 #define FONTCONFIG_DLL JNI_LIB_NAME("fontconfig") 64 65 #define MAXFDIRS 512 /* Max number of directories that contain fonts */ 66 67 #if defined(__solaris__) 68 /* 69 * This can be set in the makefile to "/usr/X11" if so desired. 70 */ 71 #ifndef OPENWINHOMELIB 72 #define OPENWINHOMELIB "/usr/openwin/lib/" 73 #endif 74 75 /* This is all known Solaris X11 directories on Solaris 8, 9 and 10. 76 * It is ordered to give precedence to TrueType directories. 77 * It is needed if fontconfig is not installed or configured properly. 78 */ 79 static char *fullSolarisFontPath[] = { 80 OPENWINHOMELIB "X11/fonts/TrueType", 81 OPENWINHOMELIB "locale/euro_fonts/X11/fonts/TrueType", 82 OPENWINHOMELIB "locale/iso_8859_2/X11/fonts/TrueType", 83 OPENWINHOMELIB "locale/iso_8859_5/X11/fonts/TrueType", 84 OPENWINHOMELIB "locale/iso_8859_7/X11/fonts/TrueType", 85 OPENWINHOMELIB "locale/iso_8859_8/X11/fonts/TrueType", 86 OPENWINHOMELIB "locale/iso_8859_9/X11/fonts/TrueType", 87 OPENWINHOMELIB "locale/iso_8859_13/X11/fonts/TrueType", 88 OPENWINHOMELIB "locale/iso_8859_15/X11/fonts/TrueType", 89 OPENWINHOMELIB "locale/ar/X11/fonts/TrueType", 90 OPENWINHOMELIB "locale/hi_IN.UTF-8/X11/fonts/TrueType", 91 OPENWINHOMELIB "locale/ja/X11/fonts/TT", 92 OPENWINHOMELIB "locale/ko/X11/fonts/TrueType", 93 OPENWINHOMELIB "locale/ko.UTF-8/X11/fonts/TrueType", 94 OPENWINHOMELIB "locale/KOI8-R/X11/fonts/TrueType", 95 OPENWINHOMELIB "locale/ru.ansi-1251/X11/fonts/TrueType", 96 OPENWINHOMELIB "locale/th_TH/X11/fonts/TrueType", 97 OPENWINHOMELIB "locale/zh_TW/X11/fonts/TrueType", 98 OPENWINHOMELIB "locale/zh_TW.BIG5/X11/fonts/TT", 99 OPENWINHOMELIB "locale/zh_HK.BIG5HK/X11/fonts/TT", 100 OPENWINHOMELIB "locale/zh_CN.GB18030/X11/fonts/TrueType", 101 OPENWINHOMELIB "locale/zh/X11/fonts/TrueType", 102 OPENWINHOMELIB "locale/zh.GBK/X11/fonts/TrueType", 103 OPENWINHOMELIB "X11/fonts/Type1", 104 OPENWINHOMELIB "X11/fonts/Type1/sun", 105 OPENWINHOMELIB "X11/fonts/Type1/sun/outline", 106 OPENWINHOMELIB "locale/iso_8859_2/X11/fonts/Type1", 107 OPENWINHOMELIB "locale/iso_8859_4/X11/fonts/Type1", 108 OPENWINHOMELIB "locale/iso_8859_5/X11/fonts/Type1", 109 OPENWINHOMELIB "locale/iso_8859_7/X11/fonts/Type1", 110 OPENWINHOMELIB "locale/iso_8859_8/X11/fonts/Type1", 111 OPENWINHOMELIB "locale/iso_8859_9/X11/fonts/Type1", 112 OPENWINHOMELIB "locale/iso_8859_13/X11/fonts/Type1", 113 OPENWINHOMELIB "locale/ar/X11/fonts/Type1", 114 NULL, /* terminates the list */ 115 }; 116 117 #elif defined( __linux__) 118 /* All the known interesting locations we have discovered on 119 * various flavors of Linux 120 */ 121 static char *fullLinuxFontPath[] = { 122 "/usr/X11R6/lib/X11/fonts/TrueType", /* RH 7.1+ */ 123 "/usr/X11R6/lib/X11/fonts/truetype", /* SuSE */ 124 "/usr/X11R6/lib/X11/fonts/tt", 125 "/usr/X11R6/lib/X11/fonts/TTF", 126 "/usr/X11R6/lib/X11/fonts/OTF", /* RH 9.0 (but empty!) */ 127 "/usr/share/fonts/ja/TrueType", /* RH 7.2+ */ 128 "/usr/share/fonts/truetype", 129 "/usr/share/fonts/ko/TrueType", /* RH 9.0 */ 130 "/usr/share/fonts/zh_CN/TrueType", /* RH 9.0 */ 131 "/usr/share/fonts/zh_TW/TrueType", /* RH 9.0 */ 132 "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType", /* Debian */ 133 "/usr/X11R6/lib/X11/fonts/Type1", 134 "/usr/share/fonts/default/Type1", /* RH 9.0 */ 135 NULL, /* terminates the list */ 136 }; 137 #elif defined(_AIX) 138 static char *fullAixFontPath[] = { 139 "/usr/lpp/X11/lib/X11/fonts/Type1", /* from X11.fnt.iso_T1 */ 140 "/usr/lpp/X11/lib/X11/fonts/TrueType", /* from X11.fnt.ucs.ttf */ 141 NULL, /* terminates the list */ 142 }; 143 #endif 144 145 static char **getFontConfigLocations(); 146 147 typedef struct { 148 const char *name[MAXFDIRS]; 149 int num; 150 } fDirRecord, *fDirRecordPtr; 151 152 #ifndef HEADLESS 153 154 /* 155 * Returns True if display is local, False of it's remote. 156 */ 157 jboolean isDisplayLocal(JNIEnv *env) { 158 static jboolean isLocal = False; 159 static jboolean isLocalSet = False; 160 jboolean ret; 161 162 if (! isLocalSet) { 163 jclass geCls = (*env)->FindClass(env, "java/awt/GraphicsEnvironment"); 164 CHECK_NULL_RETURN(geCls, JNI_FALSE); 165 jmethodID getLocalGE = (*env)->GetStaticMethodID(env, geCls, 166 "getLocalGraphicsEnvironment", 167 "()Ljava/awt/GraphicsEnvironment;"); 168 CHECK_NULL_RETURN(getLocalGE, JNI_FALSE); 169 jobject ge = (*env)->CallStaticObjectMethod(env, geCls, getLocalGE); 170 JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE); 171 172 jclass sgeCls = (*env)->FindClass(env, 173 "sun/java2d/SunGraphicsEnvironment"); 174 CHECK_NULL_RETURN(sgeCls, JNI_FALSE); 175 if ((*env)->IsInstanceOf(env, ge, sgeCls)) { 176 jmethodID isDisplayLocal = (*env)->GetMethodID(env, sgeCls, 177 "isDisplayLocal", 178 "()Z"); 179 JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE); 180 isLocal = (*env)->CallBooleanMethod(env, ge, isDisplayLocal); 181 JNU_CHECK_EXCEPTION_RETURN(env, JNI_FALSE); 182 } else { 183 isLocal = True; 184 } 185 isLocalSet = True; 186 } 187 188 return isLocal; 189 } 190 191 static void AddFontsToX11FontPath ( fDirRecord *fDirP ) 192 { 193 char *onePath; 194 int index, nPaths; 195 int origNumPaths, length; 196 int origIndex; 197 int totalDirCount; 198 char **origFontPath; 199 char **tempFontPath; 200 int doNotAppend; 201 int *appendDirList; 202 char **newFontPath; 203 int err, compareLength; 204 char fontDirPath[512]; 205 int dirFile; 206 207 doNotAppend = 0; 208 209 if ( fDirP->num == 0 ) return; 210 211 appendDirList = SAFE_SIZE_ARRAY_ALLOC(malloc, fDirP->num, (int)sizeof ( int )); 212 if ( appendDirList == NULL ) { 213 return; /* if it fails we cannot do much */ 214 } 215 216 origFontPath = XGetFontPath ( awt_display, &nPaths ); 217 218 totalDirCount = nPaths; 219 origNumPaths = nPaths; 220 tempFontPath = origFontPath; 221 222 223 for (index = 0; index < fDirP->num; index++ ) { 224 225 doNotAppend = 0; 226 227 tempFontPath = origFontPath; 228 for ( origIndex = 0; origIndex < nPaths; origIndex++ ) { 229 230 onePath = *tempFontPath; 231 232 compareLength = strlen ( onePath ); 233 if ( onePath[compareLength -1] == '/' ) 234 compareLength--; 235 236 /* there is a slash at the end of every solaris X11 font path name */ 237 if ( strncmp ( onePath, fDirP->name[index], compareLength ) == 0 ) { 238 doNotAppend = 1; 239 break; 240 } 241 tempFontPath++; 242 } 243 244 appendDirList[index] = 0; 245 if ( doNotAppend == 0 ) { 246 snprintf(fontDirPath, sizeof(fontDirPath), "%s/fonts.dir", fDirP->name[index]); 247 fontDirPath[sizeof(fontDirPath) - 1] = '\0'; 248 dirFile = open ( fontDirPath, O_RDONLY, 0 ); 249 if ( dirFile == -1 ) { 250 doNotAppend = 1; 251 } else { 252 close ( dirFile ); 253 totalDirCount++; 254 appendDirList[index] = 1; 255 } 256 } 257 258 } 259 260 /* if no changes are required do not bother to do a setfontpath */ 261 if ( totalDirCount == nPaths ) { 262 free ( ( void *) appendDirList ); 263 XFreeFontPath ( origFontPath ); 264 return; 265 } 266 267 268 newFontPath = SAFE_SIZE_ARRAY_ALLOC(malloc, totalDirCount, (int)sizeof(char *)); 269 /* if it fails free things and get out */ 270 if ( newFontPath == NULL ) { 271 free ( ( void *) appendDirList ); 272 XFreeFontPath ( origFontPath ); 273 return; 274 } 275 276 for ( origIndex = 0; origIndex < nPaths; origIndex++ ) { 277 onePath = origFontPath[origIndex]; 278 newFontPath[origIndex] = onePath; 279 } 280 281 /* now add the other font paths */ 282 283 for (index = 0; index < fDirP->num; index++ ) { 284 285 if ( appendDirList[index] == 1 ) { 286 287 /* printf ( "Appending %s\n", fDirP->name[index] ); */ 288 289 onePath = SAFE_SIZE_ARRAY_ALLOC(malloc, (int)strlen (fDirP->name[index]) + 2, (int)sizeof( char ) ); 290 if (onePath == NULL) { 291 free ( ( void *) appendDirList ); 292 293 for ( index = origIndex; index < nPaths; index++ ) { 294 free( newFontPath[index] ); 295 } 296 297 free( ( void *) newFontPath); 298 XFreeFontPath ( origFontPath ); 299 return; 300 } 301 strcpy ( onePath, fDirP->name[index] ); 302 strcat ( onePath, "/" ); 303 newFontPath[nPaths++] = onePath; 304 /* printf ( "The path to be appended is %s\n", onePath ); */ 305 } 306 } 307 308 /* printf ( "The dir count = %d\n", totalDirCount ); */ 309 free ( ( void *) appendDirList ); 310 311 XSetFontPath ( awt_display, newFontPath, totalDirCount ); 312 313 for ( index = origNumPaths; index < totalDirCount; index++ ) { 314 free( newFontPath[index] ); 315 } 316 317 free ( (void *) newFontPath ); 318 XFreeFontPath ( origFontPath ); 319 return; 320 } 321 #endif /* !HEADLESS */ 322 323 324 #ifndef HEADLESS 325 static char **getX11FontPath () 326 { 327 char **x11Path, **fontdirs; 328 int i, pos, slen, nPaths, numDirs; 329 330 x11Path = XGetFontPath (awt_display, &nPaths); 331 332 /* This isn't ever going to be perfect: the font path may contain 333 * much we aren't interested in, but the cost should be moderate 334 * Exclude all directories that contain the strings "Speedo","/F3/", 335 * "75dpi", "100dpi", "misc" or "bitmap", or don't begin with a "/", 336 * the last of which should exclude font servers. 337 * Also exclude the user specific ".gnome*" directories which 338 * aren't going to contain the system fonts we need. 339 * Hopefully we are left only with Type1 and TrueType directories. 340 * It doesn't matter much if there are extraneous directories, it'll just 341 * cost us a little wasted effort upstream. 342 */ 343 fontdirs = (char**)calloc(nPaths+1, sizeof(char*)); 344 pos = 0; 345 for (i=0; i < nPaths; i++) { 346 if (x11Path[i][0] != '/') { 347 continue; 348 } 349 if (strstr(x11Path[i], "/75dpi") != NULL) { 350 continue; 351 } 352 if (strstr(x11Path[i], "/100dpi") != NULL) { 353 continue; 354 } 355 if (strstr(x11Path[i], "/misc") != NULL) { 356 continue; 357 } 358 if (strstr(x11Path[i], "/Speedo") != NULL) { 359 continue; 360 } 361 if (strstr(x11Path[i], ".gnome") != NULL) { 362 continue; 363 } 364 #ifdef __solaris__ 365 if (strstr(x11Path[i], "/F3/") != NULL) { 366 continue; 367 } 368 if (strstr(x11Path[i], "bitmap") != NULL) { 369 continue; 370 } 371 #endif 372 fontdirs[pos] = strdup(x11Path[i]); 373 slen = strlen(fontdirs[pos]); 374 if (slen > 0 && fontdirs[pos][slen-1] == '/') { 375 fontdirs[pos][slen-1] = '\0'; /* null out trailing "/" */ 376 } 377 pos++; 378 } 379 380 XFreeFontPath(x11Path); 381 if (pos == 0) { 382 free(fontdirs); 383 fontdirs = NULL; 384 } 385 return fontdirs; 386 } 387 388 389 #endif /* !HEADLESS */ 390 391 #if defined(__linux__) 392 /* from awt_LoadLibrary.c */ 393 JNIEXPORT jboolean JNICALL AWTIsHeadless(); 394 #endif 395 396 /* This eliminates duplicates, at a non-linear but acceptable cost 397 * since the lists are expected to be reasonably short, and then 398 * deletes references to non-existent directories, and returns 399 * a single path consisting of unique font directories. 400 */ 401 static char* mergePaths(char **p1, char **p2, char **p3, jboolean noType1) { 402 403 int len1=0, len2=0, len3=0, totalLen=0, numDirs=0, 404 currLen, i, j, found, pathLen=0; 405 char **ptr, **fontdirs; 406 char *fontPath = NULL; 407 408 if (p1 != NULL) { 409 ptr = p1; 410 while (*ptr++ != NULL) len1++; 411 } 412 if (p2 != NULL) { 413 ptr = p2; 414 415 while (*ptr++ != NULL) len2++; 416 } 417 if (p3 != NULL) { 418 ptr = p3; 419 while (*ptr++ != NULL) len3++; 420 } 421 totalLen = len1+len2+len3; 422 fontdirs = (char**)calloc(totalLen, sizeof(char*)); 423 424 for (i=0; i < len1; i++) { 425 if (noType1 && strstr(p1[i], "Type1") != NULL) { 426 continue; 427 } 428 fontdirs[numDirs++] = p1[i]; 429 } 430 431 currLen = numDirs; /* only compare against previous path dirs */ 432 for (i=0; i < len2; i++) { 433 if (noType1 && strstr(p2[i], "Type1") != NULL) { 434 continue; 435 } 436 found = 0; 437 for (j=0; j < currLen; j++) { 438 if (strcmp(fontdirs[j], p2[i]) == 0) { 439 found = 1; 440 break; 441 } 442 } 443 if (!found) { 444 fontdirs[numDirs++] = p2[i]; 445 } 446 } 447 448 currLen = numDirs; /* only compare against previous path dirs */ 449 for (i=0; i < len3; i++) { 450 if (noType1 && strstr(p3[i], "Type1") != NULL) { 451 continue; 452 } 453 found = 0; 454 for (j=0; j < currLen; j++) { 455 if (strcmp(fontdirs[j], p3[i]) == 0) { 456 found = 1; 457 break; 458 } 459 } 460 if (!found) { 461 fontdirs[numDirs++] = p3[i]; 462 } 463 } 464 465 /* Now fontdirs contains unique dirs and numDirs records how many. 466 * What we don't know is if they all exist. On reflection I think 467 * this isn't an issue, so for now I will return all these locations, 468 * converted to one string */ 469 for (i=0; i<numDirs; i++) { 470 pathLen += (strlen(fontdirs[i]) + 1); 471 } 472 if (pathLen > 0 && (fontPath = malloc(pathLen))) { 473 *fontPath = '\0'; 474 for (i = 0; i<numDirs; i++) { 475 if (i != 0) { 476 strcat(fontPath, ":"); 477 } 478 strcat(fontPath, fontdirs[i]); 479 } 480 } 481 free (fontdirs); 482 483 return fontPath; 484 } 485 486 /* 487 * The goal of this function is to find all "system" fonts which 488 * are needed by the JRE to display text in supported locales etc, and 489 * to support APIs which allow users to enumerate all system fonts and use 490 * them from their Java applications. 491 * The preferred mechanism is now using the new "fontconfig" library 492 * This exists on newer versions of Linux and Solaris (S10 and above) 493 * The library is dynamically located. The results are merged with 494 * a set of "known" locations and with the X11 font path, if running in 495 * a local X11 environment. 496 * The hardwired paths are built into the JDK binary so as new font locations 497 * are created on a host plaform for them to be located by the JRE they will 498 * need to be added ito the host's font configuration database, typically 499 * /etc/fonts/local.conf, and to ensure that directory contains a fonts.dir 500 * NB: Fontconfig also depends heavily for performance on the host O/S 501 * maintaining up to date caches. 502 * This is consistent with the requirements of the desktop environments 503 * on these OSes. 504 * This also frees us from X11 APIs as JRE is required to function in 505 * a "headless" mode where there is no Xserver. 506 */ 507 static char *getPlatformFontPathChars(JNIEnv *env, jboolean noType1, jboolean isX11) { 508 509 char **fcdirs = NULL, **x11dirs = NULL, **knowndirs = NULL, *path = NULL; 510 511 /* As of 1.5 we try to use fontconfig on both Solaris and Linux. 512 * If its not available NULL is returned. 513 */ 514 fcdirs = getFontConfigLocations(); 515 516 #if defined(__linux__) 517 knowndirs = fullLinuxFontPath; 518 #elif defined(__solaris__) 519 knowndirs = fullSolarisFontPath; 520 #elif defined(_AIX) 521 knowndirs = fullAixFontPath; 522 #endif 523 /* REMIND: this code requires to be executed when the GraphicsEnvironment 524 * is already initialised. That is always true, but if it were not so, 525 * this code could throw an exception and the fontpath would fail to 526 * be initialised. 527 */ 528 #ifndef HEADLESS 529 if (isX11) { // The following only works in an x11 environment. 530 #if defined(__linux__) 531 /* There's no headless build on linux ... */ 532 if (!AWTIsHeadless()) { /* .. so need to call a function to check */ 533 #endif 534 /* Using the X11 font path to locate font files is now a fallback 535 * useful only if fontconfig failed, or is incomplete. So we could 536 * remove this code completely and the consequences should be rare 537 * and non-fatal. If this happens, then the calling Java code can 538 * be modified to no longer require that the AWT lock (the X11GE) 539 * be initialised prior to calling this code. 540 */ 541 AWT_LOCK(); 542 if (isDisplayLocal(env)) { 543 x11dirs = getX11FontPath(); 544 } 545 AWT_UNLOCK(); 546 #if defined(__linux__) 547 } 548 #endif 549 } 550 #endif /* !HEADLESS */ 551 path = mergePaths(fcdirs, x11dirs, knowndirs, noType1); 552 if (fcdirs != NULL) { 553 char **p = fcdirs; 554 while (*p != NULL) free(*p++); 555 free(fcdirs); 556 } 557 558 if (x11dirs != NULL) { 559 char **p = x11dirs; 560 while (*p != NULL) free(*p++); 561 free(x11dirs); 562 } 563 564 return path; 565 } 566 567 JNIEXPORT jstring JNICALL Java_sun_awt_FcFontManager_getFontPathNative 568 (JNIEnv *env, jobject thiz, jboolean noType1, jboolean isX11) { 569 jstring ret; 570 static char *ptr = NULL; /* retain result across calls */ 571 572 if (ptr == NULL) { 573 ptr = getPlatformFontPathChars(env, noType1, isX11); 574 } 575 ret = (*env)->NewStringUTF(env, ptr); 576 return ret; 577 } 578 579 #include <dlfcn.h> 580 581 #include <fontconfig/fontconfig.h> 582 583 584 static void* openFontConfig() { 585 586 char *homeEnv; 587 static char *homeEnvStr = "HOME="; /* must be static */ 588 void* libfontconfig = NULL; 589 #ifdef __solaris__ 590 #define SYSINFOBUFSZ 8 591 char sysinfobuf[SYSINFOBUFSZ]; 592 #endif 593 594 /* Private workaround to not use fontconfig library. 595 * May be useful during testing/debugging 596 */ 597 char *useFC = getenv("USE_J2D_FONTCONFIG"); 598 if (useFC != NULL && !strcmp(useFC, "no")) { 599 return NULL; 600 } 601 602 #ifdef __solaris__ 603 /* fontconfig is likely not properly configured on S8/S9 - skip it, 604 * although allow user to override this behaviour with an env. variable 605 * ie if USE_J2D_FONTCONFIG=yes then we skip this test. 606 * NB "4" is the length of a string which matches our patterns. 607 */ 608 if (useFC == NULL || strcmp(useFC, "yes")) { 609 if (sysinfo(SI_RELEASE, sysinfobuf, SYSINFOBUFSZ) == 4) { 610 if ((!strcmp(sysinfobuf, "5.8") || !strcmp(sysinfobuf, "5.9"))) { 611 return NULL; 612 } 613 } 614 } 615 #endif 616 617 #if defined(_AIX) 618 /* On AIX, fontconfig is not a standard package supported by IBM. 619 * instead it has to be installed from the "AIX Toolbox for Linux Applications" 620 * site http://www-03.ibm.com/systems/power/software/aix/linux/toolbox/alpha.html 621 * and will be installed under /opt/freeware/lib/libfontconfig.a. 622 * Notice that the archive contains the real 32- and 64-bit shared libraries. 623 * We first try to load 'libfontconfig.so' from the default library path in the 624 * case the user has installed a private version of the library and if that 625 * doesn't succeed, we try the version from /opt/freeware/lib/libfontconfig.a 626 */ 627 libfontconfig = dlopen("libfontconfig.so", RTLD_LOCAL|RTLD_LAZY); 628 if (libfontconfig == NULL) { 629 libfontconfig = dlopen("/opt/freeware/lib/libfontconfig.a(libfontconfig.so.1)", RTLD_MEMBER|RTLD_LOCAL|RTLD_LAZY); 630 if (libfontconfig == NULL) { 631 return NULL; 632 } 633 } 634 #else 635 /* 64 bit sparc should pick up the right version from the lib path. 636 * New features may be added to libfontconfig, this is expected to 637 * be compatible with old features, but we may need to start 638 * distinguishing the library version, to know whether to expect 639 * certain symbols - and functionality - to be available. 640 * Also add explicit search for .so.1 in case .so symlink doesn't exist. 641 */ 642 libfontconfig = dlopen(FONTCONFIG_DLL_VERSIONED, RTLD_LOCAL|RTLD_LAZY); 643 if (libfontconfig == NULL) { 644 libfontconfig = dlopen(FONTCONFIG_DLL, RTLD_LOCAL|RTLD_LAZY); 645 if (libfontconfig == NULL) { 646 return NULL; 647 } 648 } 649 #endif 650 651 /* Version 1.0 of libfontconfig crashes if HOME isn't defined in 652 * the environment. This should generally never happen, but we can't 653 * control it, and can't control the version of fontconfig, so iff 654 * its not defined we set it to an empty value which is sufficient 655 * to prevent a crash. I considered unsetting it before exit, but 656 * it doesn't appear to work on Solaris, so I will leave it set. 657 */ 658 homeEnv = getenv("HOME"); 659 if (homeEnv == NULL) { 660 putenv(homeEnvStr); 661 } 662 663 return libfontconfig; 664 } 665 666 typedef void* (FcFiniFuncType)(); 667 668 static void closeFontConfig(void* libfontconfig, jboolean fcFini) { 669 670 /* NB FcFini is not in (eg) the Solaris 10 version of fontconfig. Its not 671 * clear if this means we are really leaking resources in those cases 672 * but it seems we should call this function when its available. 673 * But since the Swing GTK code may be still accessing the lib, its probably 674 * safest for now to just let this "leak" rather than potentially 675 * concurrently free global data still in use by other code. 676 */ 677 #if 0 678 if (fcFini) { /* release resources */ 679 FcFiniFuncType FcFini = (FcFiniFuncType)dlsym(libfontconfig, "FcFini"); 680 681 if (FcFini != NULL) { 682 (*FcFini)(); 683 } 684 } 685 #endif 686 dlclose(libfontconfig); 687 } 688 689 typedef FcConfig* (*FcInitLoadConfigFuncType)(); 690 typedef FcPattern* (*FcPatternBuildFuncType)(FcPattern *orig, ...); 691 typedef FcObjectSet* (*FcObjectSetFuncType)(const char *first, ...); 692 typedef FcFontSet* (*FcFontListFuncType)(FcConfig *config, 693 FcPattern *p, 694 FcObjectSet *os); 695 typedef FcResult (*FcPatternGetBoolFuncType)(const FcPattern *p, 696 const char *object, 697 int n, 698 FcBool *b); 699 typedef FcResult (*FcPatternGetIntegerFuncType)(const FcPattern *p, 700 const char *object, 701 int n, 702 int *i); 703 typedef FcResult (*FcPatternGetStringFuncType)(const FcPattern *p, 704 const char *object, 705 int n, 706 FcChar8 ** s); 707 typedef FcChar8* (*FcStrDirnameFuncType)(const FcChar8 *file); 708 typedef void (*FcPatternDestroyFuncType)(FcPattern *p); 709 typedef void (*FcFontSetDestroyFuncType)(FcFontSet *s); 710 typedef FcPattern* (*FcNameParseFuncType)(const FcChar8 *name); 711 typedef FcBool (*FcPatternAddStringFuncType)(FcPattern *p, 712 const char *object, 713 const FcChar8 *s); 714 typedef void (*FcDefaultSubstituteFuncType)(FcPattern *p); 715 typedef FcBool (*FcConfigSubstituteFuncType)(FcConfig *config, 716 FcPattern *p, 717 FcMatchKind kind); 718 typedef FcPattern* (*FcFontMatchFuncType)(FcConfig *config, 719 FcPattern *p, 720 FcResult *result); 721 typedef FcFontSet* (*FcFontSetCreateFuncType)(); 722 typedef FcBool (*FcFontSetAddFuncType)(FcFontSet *s, FcPattern *font); 723 724 typedef FcResult (*FcPatternGetCharSetFuncType)(FcPattern *p, 725 const char *object, 726 int n, 727 FcCharSet **c); 728 typedef FcFontSet* (*FcFontSortFuncType)(FcConfig *config, 729 FcPattern *p, 730 FcBool trim, 731 FcCharSet **csp, 732 FcResult *result); 733 typedef FcCharSet* (*FcCharSetUnionFuncType)(const FcCharSet *a, 734 const FcCharSet *b); 735 typedef FcChar32 (*FcCharSetSubtractCountFuncType)(const FcCharSet *a, 736 const FcCharSet *b); 737 738 typedef int (*FcGetVersionFuncType)(); 739 740 typedef FcStrList* (*FcConfigGetCacheDirsFuncType)(FcConfig *config); 741 typedef FcChar8* (*FcStrListNextFuncType)(FcStrList *list); 742 typedef FcChar8* (*FcStrListDoneFuncType)(FcStrList *list); 743 744 static char **getFontConfigLocations() { 745 746 char **fontdirs; 747 int numdirs = 0; 748 FcInitLoadConfigFuncType FcInitLoadConfig; 749 FcPatternBuildFuncType FcPatternBuild; 750 FcObjectSetFuncType FcObjectSetBuild; 751 FcFontListFuncType FcFontList; 752 FcPatternGetStringFuncType FcPatternGetString; 753 FcStrDirnameFuncType FcStrDirname; 754 FcPatternDestroyFuncType FcPatternDestroy; 755 FcFontSetDestroyFuncType FcFontSetDestroy; 756 757 FcConfig *fontconfig; 758 FcPattern *pattern; 759 FcObjectSet *objset; 760 FcFontSet *fontSet; 761 FcStrList *strList; 762 FcChar8 *str; 763 int i, f, found, len=0; 764 char **fontPath; 765 766 void* libfontconfig = openFontConfig(); 767 768 if (libfontconfig == NULL) { 769 return NULL; 770 } 771 772 FcPatternBuild = 773 (FcPatternBuildFuncType)dlsym(libfontconfig, "FcPatternBuild"); 774 FcObjectSetBuild = 775 (FcObjectSetFuncType)dlsym(libfontconfig, "FcObjectSetBuild"); 776 FcFontList = 777 (FcFontListFuncType)dlsym(libfontconfig, "FcFontList"); 778 FcPatternGetString = 779 (FcPatternGetStringFuncType)dlsym(libfontconfig, "FcPatternGetString"); 780 FcStrDirname = 781 (FcStrDirnameFuncType)dlsym(libfontconfig, "FcStrDirname"); 782 FcPatternDestroy = 783 (FcPatternDestroyFuncType)dlsym(libfontconfig, "FcPatternDestroy"); 784 FcFontSetDestroy = 785 (FcFontSetDestroyFuncType)dlsym(libfontconfig, "FcFontSetDestroy"); 786 787 if (FcPatternBuild == NULL || 788 FcObjectSetBuild == NULL || 789 FcPatternGetString == NULL || 790 FcFontList == NULL || 791 FcStrDirname == NULL || 792 FcPatternDestroy == NULL || 793 FcFontSetDestroy == NULL) { /* problem with the library: return. */ 794 closeFontConfig(libfontconfig, JNI_FALSE); 795 return NULL; 796 } 797 798 /* Make calls into the fontconfig library to build a search for 799 * outline fonts, and to get the set of full file paths from the matches. 800 * This set is returned from the call to FcFontList(..) 801 * We allocate an array of char* pointers sufficient to hold all 802 * the matches + 1 extra which ensures there will be a NULL after all 803 * valid entries. 804 * We call FcStrDirname strip the file name from the path, and 805 * check if we have yet seen this directory. If not we add a pointer to 806 * it into our array of char*. Note that FcStrDirname returns newly 807 * allocated storage so we can use this in the return char** value. 808 * Finally we clean up, freeing allocated resources, and return the 809 * array of unique directories. 810 */ 811 pattern = (*FcPatternBuild)(NULL, FC_OUTLINE, FcTypeBool, FcTrue, NULL); 812 objset = (*FcObjectSetBuild)(FC_FILE, NULL); 813 fontSet = (*FcFontList)(NULL, pattern, objset); 814 if (fontSet == NULL) { 815 /* FcFontList() may return NULL if fonts are not installed. */ 816 fontdirs = NULL; 817 } else { 818 fontdirs = (char**)calloc(fontSet->nfont+1, sizeof(char*)); 819 for (f=0; f < fontSet->nfont; f++) { 820 FcChar8 *file; 821 FcChar8 *dir; 822 if ((*FcPatternGetString)(fontSet->fonts[f], FC_FILE, 0, &file) == 823 FcResultMatch) { 824 dir = (*FcStrDirname)(file); 825 found = 0; 826 for (i=0;i<numdirs; i++) { 827 if (strcmp(fontdirs[i], (char*)dir) == 0) { 828 found = 1; 829 break; 830 } 831 } 832 if (!found) { 833 fontdirs[numdirs++] = (char*)dir; 834 } else { 835 free((char*)dir); 836 } 837 } 838 } 839 /* Free fontset if one was returned */ 840 (*FcFontSetDestroy)(fontSet); 841 } 842 843 /* Free memory and close the ".so" */ 844 (*FcPatternDestroy)(pattern); 845 closeFontConfig(libfontconfig, JNI_TRUE); 846 return fontdirs; 847 } 848 849 /* These are copied from sun.awt.SunHints. 850 * Consider initialising them as ints using JNI for more robustness. 851 */ 852 #define TEXT_AA_OFF 1 853 #define TEXT_AA_ON 2 854 #define TEXT_AA_LCD_HRGB 4 855 #define TEXT_AA_LCD_HBGR 5 856 #define TEXT_AA_LCD_VRGB 6 857 #define TEXT_AA_LCD_VBGR 7 858 859 JNIEXPORT jint JNICALL 860 Java_sun_font_FontConfigManager_getFontConfigAASettings 861 (JNIEnv *env, jclass obj, jstring localeStr, jstring fcNameStr) { 862 863 FcNameParseFuncType FcNameParse; 864 FcPatternAddStringFuncType FcPatternAddString; 865 FcConfigSubstituteFuncType FcConfigSubstitute; 866 FcDefaultSubstituteFuncType FcDefaultSubstitute; 867 FcFontMatchFuncType FcFontMatch; 868 FcPatternGetBoolFuncType FcPatternGetBool; 869 FcPatternGetIntegerFuncType FcPatternGetInteger; 870 FcPatternDestroyFuncType FcPatternDestroy; 871 872 FcPattern *pattern, *matchPattern; 873 FcResult result; 874 FcBool antialias = FcFalse; 875 int rgba = 0; 876 const char *locale=NULL, *fcName=NULL; 877 void* libfontconfig; 878 879 if (fcNameStr == NULL || localeStr == NULL) { 880 return -1; 881 } 882 883 fcName = (*env)->GetStringUTFChars(env, fcNameStr, 0); 884 if (fcName == NULL) { 885 return -1; 886 } 887 locale = (*env)->GetStringUTFChars(env, localeStr, 0); 888 889 if ((libfontconfig = openFontConfig()) == NULL) { 890 (*env)->ReleaseStringUTFChars (env, fcNameStr, (const char*)fcName); 891 if (locale) { 892 (*env)->ReleaseStringUTFChars (env, localeStr,(const char*)locale); 893 } 894 return -1; 895 } 896 897 FcNameParse = (FcNameParseFuncType)dlsym(libfontconfig, "FcNameParse"); 898 FcPatternAddString = 899 (FcPatternAddStringFuncType)dlsym(libfontconfig, "FcPatternAddString"); 900 FcConfigSubstitute = 901 (FcConfigSubstituteFuncType)dlsym(libfontconfig, "FcConfigSubstitute"); 902 FcDefaultSubstitute = (FcDefaultSubstituteFuncType) 903 dlsym(libfontconfig, "FcDefaultSubstitute"); 904 FcFontMatch = (FcFontMatchFuncType)dlsym(libfontconfig, "FcFontMatch"); 905 FcPatternGetBool = (FcPatternGetBoolFuncType) 906 dlsym(libfontconfig, "FcPatternGetBool"); 907 FcPatternGetInteger = (FcPatternGetIntegerFuncType) 908 dlsym(libfontconfig, "FcPatternGetInteger"); 909 FcPatternDestroy = 910 (FcPatternDestroyFuncType)dlsym(libfontconfig, "FcPatternDestroy"); 911 912 if (FcNameParse == NULL || 913 FcPatternAddString == NULL || 914 FcConfigSubstitute == NULL || 915 FcDefaultSubstitute == NULL || 916 FcFontMatch == NULL || 917 FcPatternGetBool == NULL || 918 FcPatternGetInteger == NULL || 919 FcPatternDestroy == NULL) { /* problem with the library: return. */ 920 921 (*env)->ReleaseStringUTFChars (env, fcNameStr, (const char*)fcName); 922 if (locale) { 923 (*env)->ReleaseStringUTFChars (env, localeStr,(const char*)locale); 924 } 925 closeFontConfig(libfontconfig, JNI_FALSE); 926 return -1; 927 } 928 929 930 pattern = (*FcNameParse)((FcChar8 *)fcName); 931 if (locale != NULL) { 932 (*FcPatternAddString)(pattern, FC_LANG, (unsigned char*)locale); 933 } 934 (*FcConfigSubstitute)(NULL, pattern, FcMatchPattern); 935 (*FcDefaultSubstitute)(pattern); 936 matchPattern = (*FcFontMatch)(NULL, pattern, &result); 937 /* Perhaps should call FcFontRenderPrepare() here as some pattern 938 * elements might change as a result of that call, but I'm not seeing 939 * any difference in testing. 940 */ 941 if (matchPattern) { 942 (*FcPatternGetBool)(matchPattern, FC_ANTIALIAS, 0, &antialias); 943 (*FcPatternGetInteger)(matchPattern, FC_RGBA, 0, &rgba); 944 (*FcPatternDestroy)(matchPattern); 945 } 946 (*FcPatternDestroy)(pattern); 947 948 (*env)->ReleaseStringUTFChars (env, fcNameStr, (const char*)fcName); 949 if (locale) { 950 (*env)->ReleaseStringUTFChars (env, localeStr, (const char*)locale); 951 } 952 closeFontConfig(libfontconfig, JNI_TRUE); 953 954 if (antialias == FcFalse) { 955 return TEXT_AA_OFF; 956 } else if (rgba <= FC_RGBA_UNKNOWN || rgba >= FC_RGBA_NONE) { 957 return TEXT_AA_ON; 958 } else { 959 switch (rgba) { 960 case FC_RGBA_RGB : return TEXT_AA_LCD_HRGB; 961 case FC_RGBA_BGR : return TEXT_AA_LCD_HBGR; 962 case FC_RGBA_VRGB : return TEXT_AA_LCD_VRGB; 963 case FC_RGBA_VBGR : return TEXT_AA_LCD_VBGR; 964 default : return TEXT_AA_LCD_HRGB; // should not get here. 965 } 966 } 967 } 968 969 JNIEXPORT jint JNICALL 970 Java_sun_font_FontConfigManager_getFontConfigVersion 971 (JNIEnv *env, jclass obj) { 972 973 void* libfontconfig; 974 FcGetVersionFuncType FcGetVersion; 975 int version = 0; 976 977 if ((libfontconfig = openFontConfig()) == NULL) { 978 return 0; 979 } 980 981 FcGetVersion = (FcGetVersionFuncType)dlsym(libfontconfig, "FcGetVersion"); 982 983 if (FcGetVersion == NULL) { 984 closeFontConfig(libfontconfig, JNI_FALSE); 985 return 0; 986 } 987 version = (*FcGetVersion)(); 988 closeFontConfig(libfontconfig, JNI_FALSE); 989 990 return version; 991 } 992 993 994 JNIEXPORT void JNICALL 995 Java_sun_font_FontConfigManager_getFontConfig 996 (JNIEnv *env, jclass obj, jstring localeStr, jobject fcInfoObj, 997 jobjectArray fcCompFontArray, jboolean includeFallbacks) { 998 999 FcNameParseFuncType FcNameParse; 1000 FcPatternAddStringFuncType FcPatternAddString; 1001 FcConfigSubstituteFuncType FcConfigSubstitute; 1002 FcDefaultSubstituteFuncType FcDefaultSubstitute; 1003 FcFontMatchFuncType FcFontMatch; 1004 FcPatternGetStringFuncType FcPatternGetString; 1005 FcPatternDestroyFuncType FcPatternDestroy; 1006 FcPatternGetCharSetFuncType FcPatternGetCharSet; 1007 FcFontSortFuncType FcFontSort; 1008 FcFontSetDestroyFuncType FcFontSetDestroy; 1009 FcCharSetUnionFuncType FcCharSetUnion; 1010 FcCharSetSubtractCountFuncType FcCharSetSubtractCount; 1011 FcGetVersionFuncType FcGetVersion; 1012 FcConfigGetCacheDirsFuncType FcConfigGetCacheDirs; 1013 FcStrListNextFuncType FcStrListNext; 1014 FcStrListDoneFuncType FcStrListDone; 1015 1016 int i, arrlen; 1017 jobject fcCompFontObj; 1018 jstring fcNameStr, jstr; 1019 const char *locale, *fcName; 1020 FcPattern *pattern; 1021 FcResult result; 1022 void* libfontconfig; 1023 jfieldID fcNameID, fcFirstFontID, fcAllFontsID, fcVersionID, fcCacheDirsID; 1024 jfieldID familyNameID, styleNameID, fullNameID, fontFileID; 1025 jmethodID fcFontCons; 1026 char* debugMinGlyphsStr = getenv("J2D_DEBUG_MIN_GLYPHS"); 1027 jclass fcInfoClass; 1028 jclass fcCompFontClass; 1029 jclass fcFontClass; 1030 1031 CHECK_NULL(fcInfoObj); 1032 CHECK_NULL(fcCompFontArray); 1033 1034 fcInfoClass = 1035 (*env)->FindClass(env, "sun/font/FontConfigManager$FontConfigInfo"); 1036 CHECK_NULL(fcInfoClass); 1037 fcCompFontClass = 1038 (*env)->FindClass(env, "sun/font/FontConfigManager$FcCompFont"); 1039 CHECK_NULL(fcCompFontClass); 1040 fcFontClass = 1041 (*env)->FindClass(env, "sun/font/FontConfigManager$FontConfigFont"); 1042 CHECK_NULL(fcFontClass); 1043 1044 1045 CHECK_NULL(fcVersionID = (*env)->GetFieldID(env, fcInfoClass, "fcVersion", "I")); 1046 CHECK_NULL(fcCacheDirsID = (*env)->GetFieldID(env, fcInfoClass, "cacheDirs", 1047 "[Ljava/lang/String;")); 1048 CHECK_NULL(fcNameID = (*env)->GetFieldID(env, fcCompFontClass, 1049 "fcName", "Ljava/lang/String;")); 1050 CHECK_NULL(fcFirstFontID = (*env)->GetFieldID(env, fcCompFontClass, "firstFont", 1051 "Lsun/font/FontConfigManager$FontConfigFont;")); 1052 CHECK_NULL(fcAllFontsID = (*env)->GetFieldID(env, fcCompFontClass, "allFonts", 1053 "[Lsun/font/FontConfigManager$FontConfigFont;")); 1054 CHECK_NULL(fcFontCons = (*env)->GetMethodID(env, fcFontClass, "<init>", "()V")); 1055 CHECK_NULL(familyNameID = (*env)->GetFieldID(env, fcFontClass, 1056 "familyName", "Ljava/lang/String;")); 1057 CHECK_NULL(styleNameID = (*env)->GetFieldID(env, fcFontClass, 1058 "styleStr", "Ljava/lang/String;")); 1059 CHECK_NULL(fullNameID = (*env)->GetFieldID(env, fcFontClass, 1060 "fullName", "Ljava/lang/String;")); 1061 CHECK_NULL(fontFileID = (*env)->GetFieldID(env, fcFontClass, 1062 "fontFile", "Ljava/lang/String;")); 1063 1064 if ((libfontconfig = openFontConfig()) == NULL) { 1065 return; 1066 } 1067 1068 FcNameParse = (FcNameParseFuncType)dlsym(libfontconfig, "FcNameParse"); 1069 FcPatternAddString = 1070 (FcPatternAddStringFuncType)dlsym(libfontconfig, "FcPatternAddString"); 1071 FcConfigSubstitute = 1072 (FcConfigSubstituteFuncType)dlsym(libfontconfig, "FcConfigSubstitute"); 1073 FcDefaultSubstitute = (FcDefaultSubstituteFuncType) 1074 dlsym(libfontconfig, "FcDefaultSubstitute"); 1075 FcFontMatch = (FcFontMatchFuncType)dlsym(libfontconfig, "FcFontMatch"); 1076 FcPatternGetString = 1077 (FcPatternGetStringFuncType)dlsym(libfontconfig, "FcPatternGetString"); 1078 FcPatternDestroy = 1079 (FcPatternDestroyFuncType)dlsym(libfontconfig, "FcPatternDestroy"); 1080 FcPatternGetCharSet = 1081 (FcPatternGetCharSetFuncType)dlsym(libfontconfig, 1082 "FcPatternGetCharSet"); 1083 FcFontSort = 1084 (FcFontSortFuncType)dlsym(libfontconfig, "FcFontSort"); 1085 FcFontSetDestroy = 1086 (FcFontSetDestroyFuncType)dlsym(libfontconfig, "FcFontSetDestroy"); 1087 FcCharSetUnion = 1088 (FcCharSetUnionFuncType)dlsym(libfontconfig, "FcCharSetUnion"); 1089 FcCharSetSubtractCount = 1090 (FcCharSetSubtractCountFuncType)dlsym(libfontconfig, 1091 "FcCharSetSubtractCount"); 1092 FcGetVersion = (FcGetVersionFuncType)dlsym(libfontconfig, "FcGetVersion"); 1093 1094 if (FcNameParse == NULL || 1095 FcPatternAddString == NULL || 1096 FcConfigSubstitute == NULL || 1097 FcDefaultSubstitute == NULL || 1098 FcFontMatch == NULL || 1099 FcPatternGetString == NULL || 1100 FcPatternDestroy == NULL || 1101 FcPatternGetCharSet == NULL || 1102 FcFontSetDestroy == NULL || 1103 FcCharSetUnion == NULL || 1104 FcGetVersion == NULL || 1105 FcCharSetSubtractCount == NULL) {/* problem with the library: return.*/ 1106 closeFontConfig(libfontconfig, JNI_FALSE); 1107 return; 1108 } 1109 1110 (*env)->SetIntField(env, fcInfoObj, fcVersionID, (*FcGetVersion)()); 1111 1112 /* Optionally get the cache dir locations. This isn't 1113 * available until v 2.4.x, but this is OK since on those later versions 1114 * we can check the time stamps on the cache dirs to see if we 1115 * are out of date. There are a couple of assumptions here. First 1116 * that the time stamp on the directory changes when the contents are 1117 * updated. Secondly that the locations don't change. The latter is 1118 * most likely if a new version of fontconfig is installed, but we also 1119 * invalidate the cache if we detect that. Arguably even that is "rare", 1120 * and most likely is tied to an OS upgrade which gets a new file anyway. 1121 */ 1122 FcConfigGetCacheDirs = 1123 (FcConfigGetCacheDirsFuncType)dlsym(libfontconfig, 1124 "FcConfigGetCacheDirs"); 1125 FcStrListNext = 1126 (FcStrListNextFuncType)dlsym(libfontconfig, "FcStrListNext"); 1127 FcStrListDone = 1128 (FcStrListDoneFuncType)dlsym(libfontconfig, "FcStrListDone"); 1129 if (FcStrListNext != NULL && FcStrListDone != NULL && 1130 FcConfigGetCacheDirs != NULL) { 1131 1132 FcStrList* cacheDirs; 1133 FcChar8* cacheDir; 1134 int cnt = 0; 1135 jobject cacheDirArray = 1136 (*env)->GetObjectField(env, fcInfoObj, fcCacheDirsID); 1137 int max = (*env)->GetArrayLength(env, cacheDirArray); 1138 1139 cacheDirs = (*FcConfigGetCacheDirs)(NULL); 1140 if (cacheDirs != NULL) { 1141 while ((cnt < max) && (cacheDir = (*FcStrListNext)(cacheDirs))) { 1142 jstr = (*env)->NewStringUTF(env, (const char*)cacheDir); 1143 JNU_CHECK_EXCEPTION(env); 1144 1145 (*env)->SetObjectArrayElement(env, cacheDirArray, cnt++, jstr); 1146 (*env)->DeleteLocalRef(env, jstr); 1147 } 1148 (*FcStrListDone)(cacheDirs); 1149 } 1150 } 1151 1152 locale = (*env)->GetStringUTFChars(env, localeStr, 0); 1153 if (locale == NULL) { 1154 (*env)->ExceptionClear(env); 1155 JNU_ThrowOutOfMemoryError(env, "Could not create locale"); 1156 return; 1157 } 1158 1159 arrlen = (*env)->GetArrayLength(env, fcCompFontArray); 1160 for (i=0; i<arrlen; i++) { 1161 FcFontSet* fontset; 1162 int fn, j, fontCount, nfonts; 1163 unsigned int minGlyphs; 1164 FcChar8 **family, **styleStr, **fullname, **file; 1165 jarray fcFontArr = NULL; 1166 FcCharSet *unionCharset = NULL; 1167 1168 fcCompFontObj = (*env)->GetObjectArrayElement(env, fcCompFontArray, i); 1169 fcNameStr = 1170 (jstring)((*env)->GetObjectField(env, fcCompFontObj, fcNameID)); 1171 fcName = (*env)->GetStringUTFChars(env, fcNameStr, 0); 1172 if (fcName == NULL) { 1173 (*env)->DeleteLocalRef(env, fcCompFontObj); 1174 (*env)->DeleteLocalRef(env, fcNameStr); 1175 continue; 1176 } 1177 pattern = (*FcNameParse)((FcChar8 *)fcName); 1178 (*env)->ReleaseStringUTFChars(env, fcNameStr, (const char*)fcName); 1179 (*env)->DeleteLocalRef(env, fcNameStr); 1180 if (pattern == NULL) { 1181 closeFontConfig(libfontconfig, JNI_FALSE); 1182 return; 1183 } 1184 1185 /* locale may not usually be necessary as fontconfig appears to apply 1186 * this anyway based on the user's environment. However we want 1187 * to use the value of the JDK startup locale so this should take 1188 * care of it. 1189 */ 1190 if (locale != NULL) { 1191 (*FcPatternAddString)(pattern, FC_LANG, (unsigned char*)locale); 1192 } 1193 (*FcConfigSubstitute)(NULL, pattern, FcMatchPattern); 1194 (*FcDefaultSubstitute)(pattern); 1195 fontset = (*FcFontSort)(NULL, pattern, FcTrue, NULL, &result); 1196 if (fontset == NULL) { 1197 (*FcPatternDestroy)(pattern); 1198 closeFontConfig(libfontconfig, JNI_FALSE); 1199 return; 1200 } 1201 1202 /* fontconfig returned us "nfonts". If we are just getting the 1203 * first font, we set nfont to zero. Otherwise we use "nfonts". 1204 * Next create separate C arrrays of length nfonts for family file etc. 1205 * Inspect the returned fonts and the ones we like (adds enough glyphs) 1206 * are added to the arrays and we increment 'fontCount'. 1207 */ 1208 nfonts = fontset->nfont; 1209 family = (FcChar8**)calloc(nfonts, sizeof(FcChar8*)); 1210 styleStr = (FcChar8**)calloc(nfonts, sizeof(FcChar8*)); 1211 fullname = (FcChar8**)calloc(nfonts, sizeof(FcChar8*)); 1212 file = (FcChar8**)calloc(nfonts, sizeof(FcChar8*)); 1213 if (family == NULL || styleStr == NULL || 1214 fullname == NULL || file == NULL) { 1215 if (family != NULL) { 1216 free(family); 1217 } 1218 if (styleStr != NULL) { 1219 free(styleStr); 1220 } 1221 if (fullname != NULL) { 1222 free(fullname); 1223 } 1224 if (file != NULL) { 1225 free(file); 1226 } 1227 (*FcPatternDestroy)(pattern); 1228 (*FcFontSetDestroy)(fontset); 1229 closeFontConfig(libfontconfig, JNI_FALSE); 1230 return; 1231 } 1232 fontCount = 0; 1233 minGlyphs = 20; 1234 if (debugMinGlyphsStr != NULL) { 1235 int val = minGlyphs; 1236 sscanf(debugMinGlyphsStr, "%5d", &val); 1237 if (val >= 0 && val <= 65536) { 1238 minGlyphs = val; 1239 } 1240 } 1241 1242 for (j=0; j<nfonts; j++) { 1243 FcPattern *fontPattern = fontset->fonts[j]; 1244 FcChar8 *fontformat; 1245 FcCharSet *charset = NULL; 1246 1247 fontformat = NULL; 1248 (*FcPatternGetString)(fontPattern, FC_FONTFORMAT, 0, &fontformat); 1249 /* We only want TrueType fonts but some Linuxes still depend 1250 * on Type 1 fonts for some Locale support, so we'll allow 1251 * them there. 1252 */ 1253 if (fontformat != NULL 1254 && (strcmp((char*)fontformat, "TrueType") != 0) 1255 #if defined(__linux__) || defined(_AIX) 1256 && (strcmp((char*)fontformat, "Type 1") != 0) 1257 && (strcmp((char*)fontformat, "CFF") != 0) 1258 #endif 1259 ) { 1260 continue; 1261 } 1262 result = (*FcPatternGetCharSet)(fontPattern, 1263 FC_CHARSET, 0, &charset); 1264 if (result != FcResultMatch) { 1265 free(family); 1266 free(fullname); 1267 free(styleStr); 1268 free(file); 1269 (*FcPatternDestroy)(pattern); 1270 (*FcFontSetDestroy)(fontset); 1271 closeFontConfig(libfontconfig, JNI_FALSE); 1272 return; 1273 } 1274 1275 /* We don't want 20 or 30 fonts, so once we hit 10 fonts, 1276 * then require that they really be adding value. Too many 1277 * adversely affects load time for minimal value-add. 1278 * This is still likely far more than we've had in the past. 1279 */ 1280 if (j==10) { 1281 minGlyphs = 50; 1282 } 1283 if (unionCharset == NULL) { 1284 unionCharset = charset; 1285 } else { 1286 if ((*FcCharSetSubtractCount)(charset, unionCharset) 1287 > minGlyphs) { 1288 unionCharset = (* FcCharSetUnion)(unionCharset, charset); 1289 } else { 1290 continue; 1291 } 1292 } 1293 1294 fontCount++; // found a font we will use. 1295 (*FcPatternGetString)(fontPattern, FC_FILE, 0, &file[j]); 1296 (*FcPatternGetString)(fontPattern, FC_FAMILY, 0, &family[j]); 1297 (*FcPatternGetString)(fontPattern, FC_STYLE, 0, &styleStr[j]); 1298 (*FcPatternGetString)(fontPattern, FC_FULLNAME, 0, &fullname[j]); 1299 if (!includeFallbacks) { 1300 break; 1301 } 1302 if (fontCount == 254) { 1303 break; // CompositeFont will only use up to 254 slots from here. 1304 } 1305 } 1306 1307 /* Once we get here 'fontCount' is the number of returned fonts 1308 * we actually want to use, so we create 'fcFontArr' of that length. 1309 * The non-null entries of "family[]" etc are those fonts. 1310 * Then loop again over all nfonts adding just those non-null ones 1311 * to 'fcFontArr'. If its null (we didn't want the font) 1312 * then we don't enter the main body. 1313 * So we should never get more than 'fontCount' entries. 1314 */ 1315 if (includeFallbacks) { 1316 fcFontArr = 1317 (*env)->NewObjectArray(env, fontCount, fcFontClass, NULL); 1318 if (IS_NULL(fcFontArr)) { 1319 free(family); 1320 free(fullname); 1321 free(styleStr); 1322 free(file); 1323 (*FcPatternDestroy)(pattern); 1324 (*FcFontSetDestroy)(fontset); 1325 closeFontConfig(libfontconfig, JNI_FALSE); 1326 return; 1327 } 1328 (*env)->SetObjectField(env,fcCompFontObj, fcAllFontsID, fcFontArr); 1329 } 1330 fn=0; 1331 1332 for (j=0;j<nfonts;j++) { 1333 if (family[j] != NULL) { 1334 jobject fcFont = 1335 (*env)->NewObject(env, fcFontClass, fcFontCons); 1336 if (IS_NULL(fcFont)) break; 1337 jstr = (*env)->NewStringUTF(env, (const char*)family[j]); 1338 if (IS_NULL(jstr)) break; 1339 (*env)->SetObjectField(env, fcFont, familyNameID, jstr); 1340 (*env)->DeleteLocalRef(env, jstr); 1341 if (file[j] != NULL) { 1342 jstr = (*env)->NewStringUTF(env, (const char*)file[j]); 1343 if (IS_NULL(jstr)) break; 1344 (*env)->SetObjectField(env, fcFont, fontFileID, jstr); 1345 (*env)->DeleteLocalRef(env, jstr); 1346 } 1347 if (styleStr[j] != NULL) { 1348 jstr = (*env)->NewStringUTF(env, (const char*)styleStr[j]); 1349 if (IS_NULL(jstr)) break; 1350 (*env)->SetObjectField(env, fcFont, styleNameID, jstr); 1351 (*env)->DeleteLocalRef(env, jstr); 1352 } 1353 if (fullname[j] != NULL) { 1354 jstr = (*env)->NewStringUTF(env, (const char*)fullname[j]); 1355 if (IS_NULL(jstr)) break; 1356 (*env)->SetObjectField(env, fcFont, fullNameID, jstr); 1357 (*env)->DeleteLocalRef(env, jstr); 1358 } 1359 if (fn==0) { 1360 (*env)->SetObjectField(env, fcCompFontObj, 1361 fcFirstFontID, fcFont); 1362 } 1363 if (includeFallbacks) { 1364 (*env)->SetObjectArrayElement(env, fcFontArr, fn++,fcFont); 1365 } else { 1366 (*env)->DeleteLocalRef(env, fcFont); 1367 break; 1368 } 1369 (*env)->DeleteLocalRef(env, fcFont); 1370 } 1371 } 1372 if (includeFallbacks) { 1373 (*env)->DeleteLocalRef(env, fcFontArr); 1374 } 1375 (*env)->DeleteLocalRef(env, fcCompFontObj); 1376 (*FcFontSetDestroy)(fontset); 1377 (*FcPatternDestroy)(pattern); 1378 free(family); 1379 free(styleStr); 1380 free(fullname); 1381 free(file); 1382 } 1383 1384 /* release resources and close the ".so" */ 1385 1386 if (locale) { 1387 (*env)->ReleaseStringUTFChars (env, localeStr, (const char*)locale); 1388 } 1389 closeFontConfig(libfontconfig, JNI_TRUE); 1390 }