2 * fontconfig/src/fcdefault.c
4 * Copyright © 2001 Keith Packard
6 * Permission to use, copy, modify, distribute, and sell this software and its
7 * documentation for any purpose is hereby granted without fee, provided that
8 * the above copyright notice appear in all copies and that both that
9 * copyright notice and this permission notice appear in supporting
10 * documentation, and that the name of the author(s) not be used in
11 * advertising or publicity pertaining to distribution of the software without
12 * specific, written prior permission. The authors make no
13 * representations about the suitability of this software for any purpose. It
14 * is provided "as is" without express or implied warranty.
16 * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
17 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
18 * EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR
19 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
20 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
21 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
22 * PERFORMANCE OF THIS SOFTWARE.
34 } FcBoolDefaults[] = {
35 { FC_HINTING_OBJECT, FcTrue }, /* !FT_LOAD_NO_HINTING */
36 { FC_VERTICAL_LAYOUT_OBJECT, FcFalse }, /* FC_LOAD_VERTICAL_LAYOUT */
37 { FC_AUTOHINT_OBJECT, FcFalse }, /* FC_LOAD_FORCE_AUTOHINT */
38 { FC_GLOBAL_ADVANCE_OBJECT, FcTrue }, /* !FC_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH */
39 { FC_EMBEDDED_BITMAP_OBJECT, FcTrue }, /* !FC_LOAD_NO_BITMAP */
40 { FC_DECORATIVE_OBJECT, FcFalse },
41 { FC_SYMBOL_OBJECT, FcFalse },
42 { FC_VARIABLE_OBJECT, FcFalse },
45 #define NUM_FC_BOOL_DEFAULTS (int) (sizeof FcBoolDefaults / sizeof FcBoolDefaults[0])
47 FcStrSet *default_langs;
50 FcGetDefaultLangs (void)
54 result = (FcStrSet *) fc_atomic_ptr_get (&default_langs);
59 result = FcStrSetCreate ();
61 langs = getenv ("FC_LANG");
62 if (!langs || !langs[0])
63 langs = getenv ("LC_ALL");
64 if (!langs || !langs[0])
66 langs = getenv ("LC_CTYPE");
67 // On some macOS systems, LC_CTYPE is set to "UTF-8", which doesn't
68 // give any languge information. In this case, ignore LC_CTYPE and
69 // continue the search with LANG.
70 if (langs && (FcStrCmpIgnoreCase((const FcChar8 *) langs,
71 (const FcChar8 *)"UTF-8") == 0))
76 if (!langs || !langs[0])
77 langs = getenv ("LANG");
78 if (langs && langs[0])
80 if (!FcStrSetAddLangs (result, langs))
81 FcStrSetAdd (result, (const FcChar8 *) "en");
84 FcStrSetAdd (result, (const FcChar8 *) "en");
86 FcRefSetConst (&result->ref);
87 if (!fc_atomic_ptr_cmpexch (&default_langs, NULL, result)) {
88 FcRefInit (&result->ref, 1);
89 FcStrSetDestroy (result);
97 static FcChar8 *default_lang; /* MT-safe */
100 FcGetDefaultLang (void)
104 lang = fc_atomic_ptr_get (&default_lang);
107 FcStrSet *langs = FcGetDefaultLangs ();
108 lang = FcStrdup (langs->strs[0]);
110 if (!fc_atomic_ptr_cmpexch (&default_lang, NULL, lang)) {
119 static FcChar8 *default_prgname;
126 prgname = fc_atomic_ptr_get (&default_prgname);
130 char buf[MAX_PATH+1];
132 /* TODO This is ASCII-only; fix it. */
133 if (GetModuleFileNameA (GetModuleHandle (NULL), buf, sizeof (buf) / sizeof (buf[0])) > 0)
138 p = strrchr (buf, '\\');
146 if (len > 4 && 0 == strcmp (p + len - 4, ".exe"))
152 prgname = FcStrdup (p);
154 #elif defined (HAVE_GETPROGNAME)
155 const char *q = getprogname ();
157 prgname = FcStrdup (q);
159 prgname = FcStrdup ("");
161 # if defined (HAVE_GETEXECNAME)
162 char *p = FcStrdup(getexecname ());
163 # elif defined (HAVE_READLINK)
164 size_t size = FC_PATH_MAX;
169 char *buf = malloc (size);
175 len = readlink ("/proc/self/exe", buf, size - 1);
196 char *r = strrchr (p, '/');
202 prgname = FcStrdup (r);
206 prgname = FcStrdup ("");
212 if (!fc_atomic_ptr_cmpexch (&default_prgname, NULL, prgname)) {
218 if (prgname && !prgname[0])
224 static FcChar8 *default_desktop_name;
227 FcGetDesktopName (void)
229 FcChar8 *desktop_name;
231 desktop_name = fc_atomic_ptr_get (&default_desktop_name);
234 char *s = getenv ("XDG_CURRENT_DESKTOP");
237 desktop_name = FcStrdup ("");
239 desktop_name = FcStrdup (s);
242 fprintf (stderr, "Fontconfig error: out of memory in %s\n",
247 if (!fc_atomic_ptr_cmpexch(&default_desktop_name, NULL, desktop_name))
253 if (desktop_name && !desktop_name[0])
267 lang = fc_atomic_ptr_get (&default_lang);
268 if (lang && fc_atomic_ptr_cmpexch (&default_lang, lang, NULL))
273 langs = fc_atomic_ptr_get (&default_langs);
274 if (langs && fc_atomic_ptr_cmpexch (&default_langs, langs, NULL))
276 FcRefInit (&langs->ref, 1);
277 FcStrSetDestroy (langs);
280 prgname = fc_atomic_ptr_get (&default_prgname);
281 if (prgname && fc_atomic_ptr_cmpexch (&default_prgname, prgname, NULL))
286 desktop = fc_atomic_ptr_get (&default_desktop_name);
287 if (desktop && fc_atomic_ptr_cmpexch(&default_desktop_name, desktop, NULL))
294 FcDefaultSubstitute (FcPattern *pattern)
297 FcValue v, namelang, v2;
299 double dpi, size, scale, pixelsize;
301 if (!FcPatternFindObjectIter (pattern, &iter, FC_WEIGHT_OBJECT))
302 FcPatternObjectAddInteger (pattern, FC_WEIGHT_OBJECT, FC_WEIGHT_NORMAL);
304 if (!FcPatternFindObjectIter (pattern, &iter, FC_SLANT_OBJECT))
305 FcPatternObjectAddInteger (pattern, FC_SLANT_OBJECT, FC_SLANT_ROMAN);
307 if (!FcPatternFindObjectIter (pattern, &iter, FC_WIDTH_OBJECT))
308 FcPatternObjectAddInteger (pattern, FC_WIDTH_OBJECT, FC_WIDTH_NORMAL);
310 for (i = 0; i < NUM_FC_BOOL_DEFAULTS; i++)
311 if (!FcPatternFindObjectIter (pattern, &iter, FcBoolDefaults[i].field))
312 FcPatternObjectAddBool (pattern, FcBoolDefaults[i].field, FcBoolDefaults[i].value);
314 if (FcPatternObjectGetDouble (pattern, FC_SIZE_OBJECT, 0, &size) != FcResultMatch)
318 if (FcPatternObjectGetRange (pattern, FC_SIZE_OBJECT, 0, &r) == FcResultMatch && FcRangeGetDouble (r, &b, &e))
323 if (FcPatternObjectGetDouble (pattern, FC_SCALE_OBJECT, 0, &scale) != FcResultMatch)
325 if (FcPatternObjectGetDouble (pattern, FC_DPI_OBJECT, 0, &dpi) != FcResultMatch)
328 if (!FcPatternFindObjectIter (pattern, &iter, FC_PIXEL_SIZE_OBJECT))
330 (void) FcPatternObjectDel (pattern, FC_SCALE_OBJECT);
331 FcPatternObjectAddDouble (pattern, FC_SCALE_OBJECT, scale);
332 pixelsize = size * scale;
333 (void) FcPatternObjectDel (pattern, FC_DPI_OBJECT);
334 FcPatternObjectAddDouble (pattern, FC_DPI_OBJECT, dpi);
335 pixelsize *= dpi / 72.0;
336 FcPatternObjectAddDouble (pattern, FC_PIXEL_SIZE_OBJECT, pixelsize);
340 FcPatternIterGetValue(pattern, &iter, 0, &v, NULL);
342 size = size / dpi * 72.0 / scale;
344 (void) FcPatternObjectDel (pattern, FC_SIZE_OBJECT);
345 FcPatternObjectAddDouble (pattern, FC_SIZE_OBJECT, size);
347 if (!FcPatternFindObjectIter (pattern, &iter, FC_FONTVERSION_OBJECT))
348 FcPatternObjectAddInteger (pattern, FC_FONTVERSION_OBJECT, 0x7fffffff);
350 if (!FcPatternFindObjectIter (pattern, &iter, FC_HINT_STYLE_OBJECT))
351 FcPatternObjectAddInteger (pattern, FC_HINT_STYLE_OBJECT, FC_HINT_FULL);
353 if (!FcPatternFindObjectIter (pattern, &iter, FC_NAMELANG_OBJECT))
354 FcPatternObjectAddString (pattern, FC_NAMELANG_OBJECT, FcGetDefaultLang ());
356 /* shouldn't be failed. */
357 FcPatternObjectGet (pattern, FC_NAMELANG_OBJECT, 0, &namelang);
358 /* Add a fallback to ensure the english name when the requested language
359 * isn't available. this would helps for the fonts that have non-English
360 * name at the beginning.
362 /* Set "en-us" instead of "en" to avoid giving higher score to "en".
363 * This is a hack for the case that the orth is not like ll-cc, because,
364 * if no namelang isn't explicitly set, it will has something like ll-cc
365 * according to current locale. which may causes FcLangDifferentTerritory
366 * at FcLangCompare(). thus, the English name is selected so that
367 * exact matched "en" has higher score than ll-cc.
369 v2.type = FcTypeString;
370 v2.u.s = (FcChar8 *) "en-us";
371 if (!FcPatternFindObjectIter (pattern, &iter, FC_FAMILYLANG_OBJECT))
373 FcPatternObjectAdd (pattern, FC_FAMILYLANG_OBJECT, namelang, FcTrue);
374 FcPatternObjectAddWithBinding (pattern, FC_FAMILYLANG_OBJECT, v2, FcValueBindingWeak, FcTrue);
376 if (!FcPatternFindObjectIter (pattern, &iter, FC_STYLELANG_OBJECT))
378 FcPatternObjectAdd (pattern, FC_STYLELANG_OBJECT, namelang, FcTrue);
379 FcPatternObjectAddWithBinding (pattern, FC_STYLELANG_OBJECT, v2, FcValueBindingWeak, FcTrue);
381 if (!FcPatternFindObjectIter (pattern, &iter, FC_FULLNAMELANG_OBJECT))
383 FcPatternObjectAdd (pattern, FC_FULLNAMELANG_OBJECT, namelang, FcTrue);
384 FcPatternObjectAddWithBinding (pattern, FC_FULLNAMELANG_OBJECT, v2, FcValueBindingWeak, FcTrue);
387 if (FcPatternObjectGet (pattern, FC_PRGNAME_OBJECT, 0, &v) == FcResultNoMatch)
389 FcChar8 *prgname = FcGetPrgname ();
391 FcPatternObjectAddString (pattern, FC_PRGNAME_OBJECT, prgname);
394 if (FcPatternObjectGet (pattern, FC_DESKTOP_NAME_OBJECT, 0, &v) == FcResultNoMatch)
396 FcChar8 *desktop = FcGetDesktopName ();
398 FcPatternObjectAddString (pattern, FC_DESKTOP_NAME_OBJECT, desktop);
401 if (!FcPatternFindObjectIter (pattern, &iter, FC_ORDER_OBJECT))
402 FcPatternObjectAddInteger (pattern, FC_ORDER_OBJECT, 0);
404 #define __fcdefault__
405 #include "fcaliastail.h"