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 },
44 #define NUM_FC_BOOL_DEFAULTS (int) (sizeof FcBoolDefaults / sizeof FcBoolDefaults[0])
46 FcStrSet *default_langs;
49 FcGetDefaultLangs (void)
53 result = (FcStrSet *) fc_atomic_ptr_get (&default_langs);
58 result = FcStrSetCreate ();
60 langs = getenv ("FC_LANG");
61 if (!langs || !langs[0])
62 langs = getenv ("LC_ALL");
63 if (!langs || !langs[0])
64 langs = getenv ("LC_CTYPE");
65 if (!langs || !langs[0])
66 langs = getenv ("LANG");
67 if (langs && langs[0])
69 if (!FcStrSetAddLangs (result, langs))
70 FcStrSetAdd (result, (const FcChar8 *) "en");
73 FcStrSetAdd (result, (const FcChar8 *) "en");
75 FcRefSetConst (&result->ref);
76 if (!fc_atomic_ptr_cmpexch (&default_langs, NULL, result)) {
77 FcRefInit (&result->ref, 1);
78 FcStrSetDestroy (result);
86 static FcChar8 *default_lang; /* MT-safe */
89 FcGetDefaultLang (void)
93 lang = fc_atomic_ptr_get (&default_lang);
96 FcStrSet *langs = FcGetDefaultLangs ();
97 lang = FcStrdup (langs->strs[0]);
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;
222 double dpi, size, scale, pixelsize;
224 if (FcPatternObjectGet (pattern, FC_WEIGHT_OBJECT, 0, &v) == FcResultNoMatch )
225 FcPatternObjectAddInteger (pattern, FC_WEIGHT_OBJECT, FC_WEIGHT_NORMAL);
227 if (FcPatternObjectGet (pattern, FC_SLANT_OBJECT, 0, &v) == FcResultNoMatch)
228 FcPatternObjectAddInteger (pattern, FC_SLANT_OBJECT, FC_SLANT_ROMAN);
230 if (FcPatternObjectGet (pattern, FC_WIDTH_OBJECT, 0, &v) == FcResultNoMatch)
231 FcPatternObjectAddInteger (pattern, FC_WIDTH_OBJECT, FC_WIDTH_NORMAL);
233 for (i = 0; i < NUM_FC_BOOL_DEFAULTS; i++)
234 if (FcPatternObjectGet (pattern, FcBoolDefaults[i].field, 0, &v) == FcResultNoMatch)
235 FcPatternObjectAddBool (pattern, FcBoolDefaults[i].field, FcBoolDefaults[i].value);
237 if (FcPatternObjectGetDouble (pattern, FC_SIZE_OBJECT, 0, &size) != FcResultMatch)
239 if (FcPatternObjectGetDouble (pattern, FC_SCALE_OBJECT, 0, &scale) != FcResultMatch)
241 if (FcPatternObjectGetDouble (pattern, FC_DPI_OBJECT, 0, &dpi) != FcResultMatch)
244 if (FcPatternObjectGet (pattern, FC_PIXEL_SIZE_OBJECT, 0, &v) != FcResultMatch)
246 (void) FcPatternObjectDel (pattern, FC_SCALE_OBJECT);
247 FcPatternObjectAddDouble (pattern, FC_SCALE_OBJECT, scale);
248 pixelsize = size * scale;
249 (void) FcPatternObjectDel (pattern, FC_DPI_OBJECT);
250 FcPatternObjectAddDouble (pattern, FC_DPI_OBJECT, dpi);
251 pixelsize *= dpi / 72.0;
252 FcPatternObjectAddDouble (pattern, FC_PIXEL_SIZE_OBJECT, pixelsize);
257 size = size / dpi * 72.0 / scale;
259 (void) FcPatternObjectDel (pattern, FC_SIZE_OBJECT);
260 FcPatternObjectAddDouble (pattern, FC_SIZE_OBJECT, size);
262 if (FcPatternObjectGet (pattern, FC_FONTVERSION_OBJECT, 0, &v) == FcResultNoMatch)
264 FcPatternObjectAddInteger (pattern, FC_FONTVERSION_OBJECT, 0x7fffffff);
267 if (FcPatternObjectGet (pattern, FC_HINT_STYLE_OBJECT, 0, &v) == FcResultNoMatch)
269 FcPatternObjectAddInteger (pattern, FC_HINT_STYLE_OBJECT, FC_HINT_FULL);
271 if (FcPatternObjectGet (pattern, FC_NAMELANG_OBJECT, 0, &v) == FcResultNoMatch)
273 FcPatternObjectAddString (pattern, FC_NAMELANG_OBJECT, FcGetDefaultLang ());
275 /* shouldn't be failed. */
276 FcPatternObjectGet (pattern, FC_NAMELANG_OBJECT, 0, &namelang);
277 /* Add a fallback to ensure the english name when the requested language
278 * isn't available. this would helps for the fonts that have non-English
279 * name at the beginning.
281 /* Set "en-us" instead of "en" to avoid giving higher score to "en".
282 * This is a hack for the case that the orth is not like ll-cc, because,
283 * if no namelang isn't explicitly set, it will has something like ll-cc
284 * according to current locale. which may causes FcLangDifferentTerritory
285 * at FcLangCompare(). thus, the English name is selected so that
286 * exact matched "en" has higher score than ll-cc.
288 v2.type = FcTypeString;
289 v2.u.s = (FcChar8 *) "en-us";
290 if (FcPatternObjectGet (pattern, FC_FAMILYLANG_OBJECT, 0, &v) == FcResultNoMatch)
292 FcPatternObjectAdd (pattern, FC_FAMILYLANG_OBJECT, namelang, FcTrue);
293 FcPatternObjectAddWithBinding (pattern, FC_FAMILYLANG_OBJECT, v2, FcValueBindingWeak, FcTrue);
295 if (FcPatternObjectGet (pattern, FC_STYLELANG_OBJECT, 0, &v) == FcResultNoMatch)
297 FcPatternObjectAdd (pattern, FC_STYLELANG_OBJECT, namelang, FcTrue);
298 FcPatternObjectAddWithBinding (pattern, FC_STYLELANG_OBJECT, v2, FcValueBindingWeak, FcTrue);
300 if (FcPatternObjectGet (pattern, FC_FULLNAMELANG_OBJECT, 0, &v) == FcResultNoMatch)
302 FcPatternObjectAdd (pattern, FC_FULLNAMELANG_OBJECT, namelang, FcTrue);
303 FcPatternObjectAddWithBinding (pattern, FC_FULLNAMELANG_OBJECT, v2, FcValueBindingWeak, FcTrue);
306 if (FcPatternObjectGet (pattern, FC_PRGNAME_OBJECT, 0, &v) == FcResultNoMatch)
308 FcChar8 *prgname = FcGetPrgname ();
310 FcPatternObjectAddString (pattern, FC_PRGNAME_OBJECT, prgname);
313 #define __fcdefault__
314 #include "fcaliastail.h"