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 },
43 #define NUM_FC_BOOL_DEFAULTS (int) (sizeof FcBoolDefaults / sizeof FcBoolDefaults[0])
45 FcStrSet *default_langs;
48 FcGetDefaultLangs (void)
52 result = (FcStrSet *) fc_atomic_ptr_get (&default_langs);
57 result = FcStrSetCreate ();
59 langs = getenv ("FC_LANG");
60 if (!langs || !langs[0])
61 langs = getenv ("LC_ALL");
62 if (!langs || !langs[0])
63 langs = getenv ("LC_CTYPE");
64 if (!langs || !langs[0])
65 langs = getenv ("LANG");
66 if (langs && langs[0])
68 if (!FcStrSetAddLangs (result, langs))
69 FcStrSetAdd (result, (const FcChar8 *) "en");
72 FcStrSetAdd (result, (const FcChar8 *) "en");
74 FcRefSetConst (&result->ref);
75 if (!fc_atomic_ptr_cmpexch (&default_langs, NULL, result)) {
76 FcRefInit (&result->ref, 1);
77 FcStrSetDestroy (result);
85 static FcChar8 *default_lang; /* MT-safe */
88 FcGetDefaultLang (void)
92 lang = fc_atomic_ptr_get (&default_lang);
95 FcStrSet *langs = FcGetDefaultLangs ();
96 lang = FcStrdup (langs->strs[0]);
97 FcStrSetDestroy (langs);
99 if (!fc_atomic_ptr_cmpexch (&default_lang, NULL, lang)) {
108 static FcChar8 *default_prgname;
115 prgname = fc_atomic_ptr_get (&default_prgname);
119 char buf[MAX_PATH+1];
121 /* TODO This is ASCII-only; fix it. */
122 if (GetModuleFileNameA (GetModuleHandle (NULL), buf, sizeof (buf) / sizeof (buf[0])) > 0)
127 p = strrchr (buf, '\\');
135 if (len > 4 && 0 == strcmp (p + len - 4, ".exe"))
141 prgname = FcStrdup (p);
143 #elif defined (HAVE_GETPROGNAME)
144 const char *q = getprogname ();
146 prgname = FcStrdup (q);
148 prgname = FcStrdup ("");
150 # if defined (HAVE_GETEXECNAME)
151 const char *p = getexecname ();
152 # elif defined (HAVE_READLINK)
153 char buf[PATH_MAX + 1];
157 len = readlink ("/proc/self/exe", buf, sizeof (buf) - 1);
168 char *r = strrchr (p, '/');
174 prgname = FcStrdup (r);
178 prgname = FcStrdup ("");
181 if (!fc_atomic_ptr_cmpexch (&default_prgname, NULL, prgname)) {
187 if (prgname && !prgname[0])
200 lang = fc_atomic_ptr_get (&default_lang);
201 if (lang && fc_atomic_ptr_cmpexch (&default_lang, lang, NULL)) {
205 langs = fc_atomic_ptr_get (&default_langs);
206 if (langs && fc_atomic_ptr_cmpexch (&default_langs, langs, NULL)) {
207 FcRefInit (&langs->ref, 1);
208 FcStrSetDestroy (langs);
211 prgname = fc_atomic_ptr_get (&default_prgname);
212 if (prgname && fc_atomic_ptr_cmpexch (&default_prgname, prgname, NULL)) {
218 FcDefaultSubstitute (FcPattern *pattern)
220 FcValue v, namelang, v2;
223 if (FcPatternObjectGet (pattern, FC_WEIGHT_OBJECT, 0, &v) == FcResultNoMatch )
224 FcPatternObjectAddInteger (pattern, FC_WEIGHT_OBJECT, FC_WEIGHT_NORMAL);
226 if (FcPatternObjectGet (pattern, FC_SLANT_OBJECT, 0, &v) == FcResultNoMatch)
227 FcPatternObjectAddInteger (pattern, FC_SLANT_OBJECT, FC_SLANT_ROMAN);
229 if (FcPatternObjectGet (pattern, FC_WIDTH_OBJECT, 0, &v) == FcResultNoMatch)
230 FcPatternObjectAddInteger (pattern, FC_WIDTH_OBJECT, FC_WIDTH_NORMAL);
232 for (i = 0; i < NUM_FC_BOOL_DEFAULTS; i++)
233 if (FcPatternObjectGet (pattern, FcBoolDefaults[i].field, 0, &v) == FcResultNoMatch)
234 FcPatternObjectAddBool (pattern, FcBoolDefaults[i].field, FcBoolDefaults[i].value);
236 if (FcPatternObjectGet (pattern, FC_PIXEL_SIZE_OBJECT, 0, &v) == FcResultNoMatch)
238 double dpi, size, scale;
240 if (FcPatternObjectGetDouble (pattern, FC_SIZE_OBJECT, 0, &size) != FcResultMatch)
243 (void) FcPatternObjectDel (pattern, FC_SIZE_OBJECT);
244 FcPatternObjectAddDouble (pattern, FC_SIZE_OBJECT, size);
246 if (FcPatternObjectGetDouble (pattern, FC_SCALE_OBJECT, 0, &scale) != FcResultMatch)
249 (void) FcPatternObjectDel (pattern, FC_SCALE_OBJECT);
250 FcPatternObjectAddDouble (pattern, FC_SCALE_OBJECT, scale);
253 if (FcPatternObjectGetDouble (pattern, FC_DPI_OBJECT, 0, &dpi) != FcResultMatch)
256 (void) FcPatternObjectDel (pattern, FC_DPI_OBJECT);
257 FcPatternObjectAddDouble (pattern, FC_DPI_OBJECT, dpi);
260 FcPatternObjectAddDouble (pattern, FC_PIXEL_SIZE_OBJECT, size);
263 if (FcPatternObjectGet (pattern, FC_FONTVERSION_OBJECT, 0, &v) == FcResultNoMatch)
265 FcPatternObjectAddInteger (pattern, FC_FONTVERSION_OBJECT, 0x7fffffff);
268 if (FcPatternObjectGet (pattern, FC_HINT_STYLE_OBJECT, 0, &v) == FcResultNoMatch)
270 FcPatternObjectAddInteger (pattern, FC_HINT_STYLE_OBJECT, FC_HINT_FULL);
272 if (FcPatternObjectGet (pattern, FC_NAMELANG_OBJECT, 0, &v) == FcResultNoMatch)
274 FcPatternObjectAddString (pattern, FC_NAMELANG_OBJECT, FcGetDefaultLang ());
276 /* shouldn't be failed. */
277 FcPatternObjectGet (pattern, FC_NAMELANG_OBJECT, 0, &namelang);
278 /* Add a fallback to ensure the english name when the requested language
279 * isn't available. this would helps for the fonts that have non-English
280 * name at the beginning.
282 /* Set "en-us" instead of "en" to avoid giving higher score to "en".
283 * This is a hack for the case that the orth is not like ll-cc, because,
284 * if no namelang isn't explicitly set, it will has something like ll-cc
285 * according to current locale. which may causes FcLangDifferentTerritory
286 * at FcLangCompare(). thus, the English name is selected so that
287 * exact matched "en" has higher score than ll-cc.
289 v2.type = FcTypeString;
290 v2.u.s = (FcChar8 *) "en-us";
291 if (FcPatternObjectGet (pattern, FC_FAMILYLANG_OBJECT, 0, &v) == FcResultNoMatch)
293 FcPatternObjectAdd (pattern, FC_FAMILYLANG_OBJECT, namelang, FcTrue);
294 FcPatternObjectAddWithBinding (pattern, FC_FAMILYLANG_OBJECT, v2, FcValueBindingWeak, FcTrue);
296 if (FcPatternObjectGet (pattern, FC_STYLELANG_OBJECT, 0, &v) == FcResultNoMatch)
298 FcPatternObjectAdd (pattern, FC_STYLELANG_OBJECT, namelang, FcTrue);
299 FcPatternObjectAddWithBinding (pattern, FC_STYLELANG_OBJECT, v2, FcValueBindingWeak, FcTrue);
301 if (FcPatternObjectGet (pattern, FC_FULLNAMELANG_OBJECT, 0, &v) == FcResultNoMatch)
303 FcPatternObjectAdd (pattern, FC_FULLNAMELANG_OBJECT, namelang, FcTrue);
304 FcPatternObjectAddWithBinding (pattern, FC_FULLNAMELANG_OBJECT, v2, FcValueBindingWeak, FcTrue);
307 if (FcPatternObjectGet (pattern, FC_PRGNAME_OBJECT, 0, &v) == FcResultNoMatch)
309 FcChar8 *prgname = FcGetPrgname ();
311 FcPatternObjectAddString (pattern, FC_PRGNAME_OBJECT, prgname);
314 #define __fcdefault__
315 #include "fcaliastail.h"