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])
65 langs = getenv ("LC_CTYPE");
66 if (!langs || !langs[0])
67 langs = getenv ("LANG");
68 if (langs && langs[0])
70 if (!FcStrSetAddLangs (result, langs))
71 FcStrSetAdd (result, (const FcChar8 *) "en");
74 FcStrSetAdd (result, (const FcChar8 *) "en");
76 FcRefSetConst (&result->ref);
77 if (!fc_atomic_ptr_cmpexch (&default_langs, NULL, result)) {
78 FcRefInit (&result->ref, 1);
79 FcStrSetDestroy (result);
87 static FcChar8 *default_lang; /* MT-safe */
90 FcGetDefaultLang (void)
94 lang = fc_atomic_ptr_get (&default_lang);
97 FcStrSet *langs = FcGetDefaultLangs ();
98 lang = FcStrdup (langs->strs[0]);
100 if (!fc_atomic_ptr_cmpexch (&default_lang, NULL, lang)) {
109 static FcChar8 *default_prgname;
116 prgname = fc_atomic_ptr_get (&default_prgname);
120 char buf[MAX_PATH+1];
122 /* TODO This is ASCII-only; fix it. */
123 if (GetModuleFileNameA (GetModuleHandle (NULL), buf, sizeof (buf) / sizeof (buf[0])) > 0)
128 p = strrchr (buf, '\\');
136 if (len > 4 && 0 == strcmp (p + len - 4, ".exe"))
142 prgname = FcStrdup (p);
144 #elif defined (HAVE_GETPROGNAME)
145 const char *q = getprogname ();
147 prgname = FcStrdup (q);
149 prgname = FcStrdup ("");
151 # if defined (HAVE_GETEXECNAME)
152 char *p = FcStrdup(getexecname ());
153 # elif defined (HAVE_READLINK)
154 size_t size = FC_PATH_MAX;
159 char *buf = malloc (size);
165 len = readlink ("/proc/self/exe", buf, size - 1);
186 char *r = strrchr (p, '/');
192 prgname = FcStrdup (r);
196 prgname = FcStrdup ("");
202 if (!fc_atomic_ptr_cmpexch (&default_prgname, NULL, prgname)) {
208 if (prgname && !prgname[0])
221 lang = fc_atomic_ptr_get (&default_lang);
222 if (lang && fc_atomic_ptr_cmpexch (&default_lang, lang, NULL)) {
226 langs = fc_atomic_ptr_get (&default_langs);
227 if (langs && fc_atomic_ptr_cmpexch (&default_langs, langs, NULL)) {
228 FcRefInit (&langs->ref, 1);
229 FcStrSetDestroy (langs);
232 prgname = fc_atomic_ptr_get (&default_prgname);
233 if (prgname && fc_atomic_ptr_cmpexch (&default_prgname, prgname, NULL)) {
239 FcDefaultSubstitute (FcPattern *pattern)
241 FcValue v, namelang, v2;
243 double dpi, size, scale, pixelsize;
245 if (FcPatternObjectGet (pattern, FC_WEIGHT_OBJECT, 0, &v) == FcResultNoMatch )
246 FcPatternObjectAddInteger (pattern, FC_WEIGHT_OBJECT, FC_WEIGHT_NORMAL);
248 if (FcPatternObjectGet (pattern, FC_SLANT_OBJECT, 0, &v) == FcResultNoMatch)
249 FcPatternObjectAddInteger (pattern, FC_SLANT_OBJECT, FC_SLANT_ROMAN);
251 if (FcPatternObjectGet (pattern, FC_WIDTH_OBJECT, 0, &v) == FcResultNoMatch)
252 FcPatternObjectAddInteger (pattern, FC_WIDTH_OBJECT, FC_WIDTH_NORMAL);
254 for (i = 0; i < NUM_FC_BOOL_DEFAULTS; i++)
255 if (FcPatternObjectGet (pattern, FcBoolDefaults[i].field, 0, &v) == FcResultNoMatch)
256 FcPatternObjectAddBool (pattern, FcBoolDefaults[i].field, FcBoolDefaults[i].value);
258 if (FcPatternObjectGetDouble (pattern, FC_SIZE_OBJECT, 0, &size) != FcResultMatch)
262 if (FcPatternObjectGetRange (pattern, FC_SIZE_OBJECT, 0, &r) == FcResultMatch && FcRangeGetDouble (r, &b, &e))
267 if (FcPatternObjectGetDouble (pattern, FC_SCALE_OBJECT, 0, &scale) != FcResultMatch)
269 if (FcPatternObjectGetDouble (pattern, FC_DPI_OBJECT, 0, &dpi) != FcResultMatch)
272 if (FcPatternObjectGet (pattern, FC_PIXEL_SIZE_OBJECT, 0, &v) != FcResultMatch)
274 (void) FcPatternObjectDel (pattern, FC_SCALE_OBJECT);
275 FcPatternObjectAddDouble (pattern, FC_SCALE_OBJECT, scale);
276 pixelsize = size * scale;
277 (void) FcPatternObjectDel (pattern, FC_DPI_OBJECT);
278 FcPatternObjectAddDouble (pattern, FC_DPI_OBJECT, dpi);
279 pixelsize *= dpi / 72.0;
280 FcPatternObjectAddDouble (pattern, FC_PIXEL_SIZE_OBJECT, pixelsize);
285 size = size / dpi * 72.0 / scale;
287 (void) FcPatternObjectDel (pattern, FC_SIZE_OBJECT);
288 FcPatternObjectAddDouble (pattern, FC_SIZE_OBJECT, size);
290 if (FcPatternObjectGet (pattern, FC_FONTVERSION_OBJECT, 0, &v) == FcResultNoMatch)
292 FcPatternObjectAddInteger (pattern, FC_FONTVERSION_OBJECT, 0x7fffffff);
295 if (FcPatternObjectGet (pattern, FC_HINT_STYLE_OBJECT, 0, &v) == FcResultNoMatch)
297 FcPatternObjectAddInteger (pattern, FC_HINT_STYLE_OBJECT, FC_HINT_FULL);
299 if (FcPatternObjectGet (pattern, FC_NAMELANG_OBJECT, 0, &v) == FcResultNoMatch)
301 FcPatternObjectAddString (pattern, FC_NAMELANG_OBJECT, FcGetDefaultLang ());
303 /* shouldn't be failed. */
304 FcPatternObjectGet (pattern, FC_NAMELANG_OBJECT, 0, &namelang);
305 /* Add a fallback to ensure the english name when the requested language
306 * isn't available. this would helps for the fonts that have non-English
307 * name at the beginning.
309 /* Set "en-us" instead of "en" to avoid giving higher score to "en".
310 * This is a hack for the case that the orth is not like ll-cc, because,
311 * if no namelang isn't explicitly set, it will has something like ll-cc
312 * according to current locale. which may causes FcLangDifferentTerritory
313 * at FcLangCompare(). thus, the English name is selected so that
314 * exact matched "en" has higher score than ll-cc.
316 v2.type = FcTypeString;
317 v2.u.s = (FcChar8 *) "en-us";
318 if (FcPatternObjectGet (pattern, FC_FAMILYLANG_OBJECT, 0, &v) == FcResultNoMatch)
320 FcPatternObjectAdd (pattern, FC_FAMILYLANG_OBJECT, namelang, FcTrue);
321 FcPatternObjectAddWithBinding (pattern, FC_FAMILYLANG_OBJECT, v2, FcValueBindingWeak, FcTrue);
323 if (FcPatternObjectGet (pattern, FC_STYLELANG_OBJECT, 0, &v) == FcResultNoMatch)
325 FcPatternObjectAdd (pattern, FC_STYLELANG_OBJECT, namelang, FcTrue);
326 FcPatternObjectAddWithBinding (pattern, FC_STYLELANG_OBJECT, v2, FcValueBindingWeak, FcTrue);
328 if (FcPatternObjectGet (pattern, FC_FULLNAMELANG_OBJECT, 0, &v) == FcResultNoMatch)
330 FcPatternObjectAdd (pattern, FC_FULLNAMELANG_OBJECT, namelang, FcTrue);
331 FcPatternObjectAddWithBinding (pattern, FC_FULLNAMELANG_OBJECT, v2, FcValueBindingWeak, FcTrue);
334 if (FcPatternObjectGet (pattern, FC_PRGNAME_OBJECT, 0, &v) == FcResultNoMatch)
336 FcChar8 *prgname = FcGetPrgname ();
338 FcPatternObjectAddString (pattern, FC_PRGNAME_OBJECT, prgname);
341 #define __fcdefault__
342 #include "fcaliastail.h"