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.
33 } FcBoolDefaults[] = {
34 { FC_HINTING_OBJECT, FcTrue }, /* !FT_LOAD_NO_HINTING */
35 { FC_VERTICAL_LAYOUT_OBJECT, FcFalse }, /* FC_LOAD_VERTICAL_LAYOUT */
36 { FC_AUTOHINT_OBJECT, FcFalse }, /* FC_LOAD_FORCE_AUTOHINT */
37 { FC_GLOBAL_ADVANCE_OBJECT, FcTrue }, /* !FC_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH */
38 { FC_EMBEDDED_BITMAP_OBJECT, FcTrue }, /* !FC_LOAD_NO_BITMAP */
39 { FC_DECORATIVE_OBJECT, FcFalse },
42 #define NUM_FC_BOOL_DEFAULTS (int) (sizeof FcBoolDefaults / sizeof FcBoolDefaults[0])
44 FcStrSet *default_langs;
47 FcGetDefaultLangs (void)
51 result = (FcStrSet *) fc_atomic_ptr_get (&default_langs);
56 result = FcStrSetCreate ();
58 langs = getenv ("FC_LANG");
59 if (!langs || !langs[0])
60 langs = getenv ("LC_ALL");
61 if (!langs || !langs[0])
62 langs = getenv ("LC_CTYPE");
63 if (!langs || !langs[0])
64 langs = getenv ("LANG");
65 if (langs && langs[0])
67 if (!FcStrSetAddLangs (result, langs))
68 FcStrSetAdd (result, (const FcChar8 *) "en");
71 FcStrSetAdd (result, (const FcChar8 *) "en");
73 FcRefSetConst (&result->ref);
74 if (!fc_atomic_ptr_cmpexch (&default_langs, NULL, result)) {
75 FcRefInit (&result->ref, 1);
76 FcStrSetDestroy (result);
84 static FcChar8 *default_lang; /* MT-safe */
87 FcGetDefaultLang (void)
91 lang = fc_atomic_ptr_get (&default_lang);
94 FcStrSet *langs = FcGetDefaultLangs ();
95 lang = (FcChar8 *) strdup ((const char *) langs->strs[0]);
96 FcStrSetDestroy (langs);
98 if (!fc_atomic_ptr_cmpexch (&default_lang, NULL, lang)) {
113 lang = fc_atomic_ptr_get (&default_lang);
114 if (lang && fc_atomic_ptr_cmpexch (&default_lang, lang, NULL)) {
118 langs = fc_atomic_ptr_get (&default_langs);
119 if (langs && fc_atomic_ptr_cmpexch (&default_langs, langs, NULL)) {
120 FcRefInit (&langs->ref, 1);
121 FcStrSetDestroy (langs);
127 FcDefaultSubstitute (FcPattern *pattern)
129 FcValue v, namelang, v2;
132 if (FcPatternObjectGet (pattern, FC_WEIGHT_OBJECT, 0, &v) == FcResultNoMatch )
133 FcPatternObjectAddInteger (pattern, FC_WEIGHT_OBJECT, FC_WEIGHT_MEDIUM);
135 if (FcPatternObjectGet (pattern, FC_SLANT_OBJECT, 0, &v) == FcResultNoMatch)
136 FcPatternObjectAddInteger (pattern, FC_SLANT_OBJECT, FC_SLANT_ROMAN);
138 if (FcPatternObjectGet (pattern, FC_WIDTH_OBJECT, 0, &v) == FcResultNoMatch)
139 FcPatternObjectAddInteger (pattern, FC_WIDTH_OBJECT, FC_WIDTH_NORMAL);
141 for (i = 0; i < NUM_FC_BOOL_DEFAULTS; i++)
142 if (FcPatternObjectGet (pattern, FcBoolDefaults[i].field, 0, &v) == FcResultNoMatch)
143 FcPatternObjectAddBool (pattern, FcBoolDefaults[i].field, FcBoolDefaults[i].value);
145 if (FcPatternObjectGet (pattern, FC_PIXEL_SIZE_OBJECT, 0, &v) == FcResultNoMatch)
147 double dpi, size, scale;
149 if (FcPatternObjectGetDouble (pattern, FC_SIZE_OBJECT, 0, &size) != FcResultMatch)
152 (void) FcPatternObjectDel (pattern, FC_SIZE_OBJECT);
153 FcPatternObjectAddDouble (pattern, FC_SIZE_OBJECT, size);
155 if (FcPatternObjectGetDouble (pattern, FC_SCALE_OBJECT, 0, &scale) != FcResultMatch)
158 (void) FcPatternObjectDel (pattern, FC_SCALE_OBJECT);
159 FcPatternObjectAddDouble (pattern, FC_SCALE_OBJECT, scale);
162 if (FcPatternObjectGetDouble (pattern, FC_DPI_OBJECT, 0, &dpi) != FcResultMatch)
165 (void) FcPatternObjectDel (pattern, FC_DPI_OBJECT);
166 FcPatternObjectAddDouble (pattern, FC_DPI_OBJECT, dpi);
169 FcPatternObjectAddDouble (pattern, FC_PIXEL_SIZE_OBJECT, size);
172 if (FcPatternObjectGet (pattern, FC_FONTVERSION_OBJECT, 0, &v) == FcResultNoMatch)
174 FcPatternObjectAddInteger (pattern, FC_FONTVERSION_OBJECT, 0x7fffffff);
177 if (FcPatternObjectGet (pattern, FC_HINT_STYLE_OBJECT, 0, &v) == FcResultNoMatch)
179 FcPatternObjectAddInteger (pattern, FC_HINT_STYLE_OBJECT, FC_HINT_FULL);
181 if (FcPatternObjectGet (pattern, FC_NAMELANG_OBJECT, 0, &v) == FcResultNoMatch)
183 FcPatternObjectAddString (pattern, FC_NAMELANG_OBJECT, FcGetDefaultLang ());
185 /* shouldn't be failed. */
186 FcPatternObjectGet (pattern, FC_NAMELANG_OBJECT, 0, &namelang);
187 /* Add a fallback to ensure the english name when the requested language
188 * isn't available. this would helps for the fonts that have non-English
189 * name at the beginning.
191 /* Set "en-us" instead of "en" to avoid giving higher score to "en".
192 * This is a hack for the case that the orth is not like ll-cc, because,
193 * if no namelang isn't explicitly set, it will has something like ll-cc
194 * according to current locale. which may causes FcLangDifferentTerritory
195 * at FcLangCompare(). thus, the English name is selected so that
196 * exact matched "en" has higher score than ll-cc.
198 v2.type = FcTypeString;
199 v2.u.s = FcSharedStr ((FcChar8 *)"en-us");
200 if (FcPatternObjectGet (pattern, FC_FAMILYLANG_OBJECT, 0, &v) == FcResultNoMatch)
202 FcPatternObjectAdd (pattern, FC_FAMILYLANG_OBJECT, namelang, FcTrue);
203 FcPatternObjectAddWithBinding (pattern, FC_FAMILYLANG_OBJECT, v2, FcValueBindingWeak, FcTrue);
205 if (FcPatternObjectGet (pattern, FC_STYLELANG_OBJECT, 0, &v) == FcResultNoMatch)
207 FcPatternObjectAdd (pattern, FC_STYLELANG_OBJECT, namelang, FcTrue);
208 FcPatternObjectAddWithBinding (pattern, FC_STYLELANG_OBJECT, v2, FcValueBindingWeak, FcTrue);
210 if (FcPatternObjectGet (pattern, FC_FULLNAMELANG_OBJECT, 0, &v) == FcResultNoMatch)
212 FcPatternObjectAdd (pattern, FC_FULLNAMELANG_OBJECT, namelang, FcTrue);
213 FcPatternObjectAddWithBinding (pattern, FC_FULLNAMELANG_OBJECT, v2, FcValueBindingWeak, FcTrue);
215 FcSharedStrFree ((char *) v2.u.s);
217 #define __fcdefault__
218 #include "fcaliastail.h"