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.
31 } FcBoolDefaults[] = {
32 { FC_HINTING_OBJECT, FcTrue }, /* !FT_LOAD_NO_HINTING */
33 { FC_VERTICAL_LAYOUT_OBJECT, FcFalse }, /* FC_LOAD_VERTICAL_LAYOUT */
34 { FC_AUTOHINT_OBJECT, FcFalse }, /* FC_LOAD_FORCE_AUTOHINT */
35 /* XXX: FC_GLOBAL_ADVANCE is deprecated */
36 { FC_GLOBAL_ADVANCE_OBJECT, FcTrue }, /* !FC_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH */
37 { FC_EMBEDDED_BITMAP_OBJECT, FcTrue }, /* !FC_LOAD_NO_BITMAP */
38 { FC_DECORATIVE_OBJECT, FcFalse },
41 #define NUM_FC_BOOL_DEFAULTS (int) (sizeof FcBoolDefaults / sizeof FcBoolDefaults[0])
44 FcGetDefaultLangs (void)
46 FcStrSet *result = FcStrSetCreate ();
49 langs = getenv ("FC_LANG");
50 if (!langs || !langs[0])
51 langs = getenv ("LC_ALL");
52 if (!langs || !langs[0])
53 langs = getenv ("LC_CTYPE");
54 if (!langs || !langs[0])
55 langs = getenv ("LANG");
56 if (langs && langs[0])
58 if (!FcStrSetAddLangs (result, langs))
59 FcStrSetAdd (result, (const FcChar8 *) "en");
62 FcStrSetAdd (result, (const FcChar8 *) "en");
68 FcGetDefaultLang (void)
70 static FcChar8 lang_local[128] = {0};
75 langs = FcGetDefaultLangs ();
76 strncpy ((char *)lang_local, (const char *)langs->strs[0], 127);
78 FcStrSetDestroy (langs);
85 FcDefaultSubstitute (FcPattern *pattern)
87 FcValue v, namelang, v2;
90 if (FcPatternObjectGet (pattern, FC_WEIGHT_OBJECT, 0, &v) == FcResultNoMatch )
91 FcPatternObjectAddInteger (pattern, FC_WEIGHT_OBJECT, FC_WEIGHT_MEDIUM);
93 if (FcPatternObjectGet (pattern, FC_SLANT_OBJECT, 0, &v) == FcResultNoMatch)
94 FcPatternObjectAddInteger (pattern, FC_SLANT_OBJECT, FC_SLANT_ROMAN);
96 if (FcPatternObjectGet (pattern, FC_WIDTH_OBJECT, 0, &v) == FcResultNoMatch)
97 FcPatternObjectAddInteger (pattern, FC_WIDTH_OBJECT, FC_WIDTH_NORMAL);
99 for (i = 0; i < NUM_FC_BOOL_DEFAULTS; i++)
100 if (FcPatternObjectGet (pattern, FcBoolDefaults[i].field, 0, &v) == FcResultNoMatch)
101 FcPatternObjectAddBool (pattern, FcBoolDefaults[i].field, FcBoolDefaults[i].value);
103 if (FcPatternObjectGet (pattern, FC_PIXEL_SIZE_OBJECT, 0, &v) == FcResultNoMatch)
105 double dpi, size, scale;
107 if (FcPatternObjectGetDouble (pattern, FC_SIZE_OBJECT, 0, &size) != FcResultMatch)
110 (void) FcPatternObjectDel (pattern, FC_SIZE_OBJECT);
111 FcPatternObjectAddDouble (pattern, FC_SIZE_OBJECT, size);
113 if (FcPatternObjectGetDouble (pattern, FC_SCALE_OBJECT, 0, &scale) != FcResultMatch)
116 (void) FcPatternObjectDel (pattern, FC_SCALE_OBJECT);
117 FcPatternObjectAddDouble (pattern, FC_SCALE_OBJECT, scale);
120 if (FcPatternObjectGetDouble (pattern, FC_DPI_OBJECT, 0, &dpi) != FcResultMatch)
123 (void) FcPatternObjectDel (pattern, FC_DPI_OBJECT);
124 FcPatternObjectAddDouble (pattern, FC_DPI_OBJECT, dpi);
127 FcPatternObjectAddDouble (pattern, FC_PIXEL_SIZE_OBJECT, size);
130 if (FcPatternObjectGet (pattern, FC_FONTVERSION_OBJECT, 0, &v) == FcResultNoMatch)
132 FcPatternObjectAddInteger (pattern, FC_FONTVERSION_OBJECT, 0x7fffffff);
135 if (FcPatternObjectGet (pattern, FC_HINT_STYLE_OBJECT, 0, &v) == FcResultNoMatch)
137 FcPatternObjectAddInteger (pattern, FC_HINT_STYLE_OBJECT, FC_HINT_FULL);
139 if (FcPatternObjectGet (pattern, FC_NAMELANG_OBJECT, 0, &v) == FcResultNoMatch)
141 FcPatternObjectAddString (pattern, FC_NAMELANG_OBJECT, FcGetDefaultLang ());
143 /* shouldn't be failed. */
144 FcPatternObjectGet (pattern, FC_NAMELANG_OBJECT, 0, &namelang);
145 /* Add a fallback to ensure the english name when the requested language
146 * isn't available. this would helps for the fonts that have non-English
147 * name at the beginning.
149 /* Set "en-us" instead of "en" to avoid giving higher score to "en".
150 * This is a hack for the case that the orth is not like ll-cc, because,
151 * if no namelang isn't explicitly set, it will has something like ll-cc
152 * according to current locale. which may causes FcLangDifferentTerritory
153 * at FcLangCompare(). thus, the English name is selected so that
154 * exact matched "en" has higher score than ll-cc.
156 v2.type = FcTypeString;
157 v2.u.s = FcSharedStr ((FcChar8 *)"en-us");
158 if (FcPatternObjectGet (pattern, FC_FAMILYLANG_OBJECT, 0, &v) == FcResultNoMatch)
160 FcPatternObjectAdd (pattern, FC_FAMILYLANG_OBJECT, namelang, FcTrue);
161 FcPatternObjectAddWithBinding (pattern, FC_FAMILYLANG_OBJECT, v2, FcValueBindingWeak, FcTrue);
163 if (FcPatternObjectGet (pattern, FC_STYLELANG_OBJECT, 0, &v) == FcResultNoMatch)
165 FcPatternObjectAdd (pattern, FC_STYLELANG_OBJECT, namelang, FcTrue);
166 FcPatternObjectAddWithBinding (pattern, FC_STYLELANG_OBJECT, v2, FcValueBindingWeak, FcTrue);
168 if (FcPatternObjectGet (pattern, FC_FULLNAMELANG_OBJECT, 0, &v) == FcResultNoMatch)
170 FcPatternObjectAdd (pattern, FC_FULLNAMELANG_OBJECT, namelang, FcTrue);
171 FcPatternObjectAddWithBinding (pattern, FC_FULLNAMELANG_OBJECT, v2, FcValueBindingWeak, FcTrue);
173 FcSharedStrFree ((char *) v2.u.s);
175 #define __fcdefault__
176 #include "fcaliastail.h"