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24330d27 | 1 | /* |
4bd4418a | 2 | * $RCSId: xc/lib/fontconfig/src/fcdefault.c,v 1.2 2002/07/09 22:08:14 keithp Exp $ |
24330d27 | 3 | * |
46b51147 | 4 | * Copyright © 2001 Keith Packard |
24330d27 KP |
5 | * |
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 Keith Packard not be used in | |
11 | * advertising or publicity pertaining to distribution of the software without | |
12 | * specific, written prior permission. Keith Packard makes no | |
13 | * representations about the suitability of this software for any purpose. It | |
14 | * is provided "as is" without express or implied warranty. | |
15 | * | |
16 | * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |
17 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |
18 | * EVENT SHALL KEITH PACKARD 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. | |
23 | */ | |
24 | ||
25 | #include "fcint.h" | |
e709ddfa | 26 | #include <locale.h> |
24330d27 KP |
27 | |
28 | static struct { | |
29 | char *field; | |
30 | FcBool value; | |
31 | } FcBoolDefaults[] = { | |
32 | { FC_HINTING, FcTrue }, /* !FT_LOAD_NO_HINTING */ | |
33 | { FC_VERTICAL_LAYOUT, FcFalse }, /* FC_LOAD_VERTICAL_LAYOUT */ | |
34 | { FC_AUTOHINT, FcFalse }, /* FC_LOAD_FORCE_AUTOHINT */ | |
35 | { FC_GLOBAL_ADVANCE, FcTrue }, /* !FC_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH */ | |
36 | }; | |
37 | ||
38 | #define NUM_FC_BOOL_DEFAULTS (sizeof FcBoolDefaults / sizeof FcBoolDefaults[0]) | |
39 | ||
40 | void | |
41 | FcDefaultSubstitute (FcPattern *pattern) | |
42 | { | |
43 | FcValue v; | |
44 | int i; | |
45 | ||
46 | if (FcPatternGet (pattern, FC_STYLE, 0, &v) == FcResultNoMatch) | |
47 | { | |
48 | if (FcPatternGet (pattern, FC_WEIGHT, 0, &v) == FcResultNoMatch ) | |
49 | { | |
50 | FcPatternAddInteger (pattern, FC_WEIGHT, FC_WEIGHT_MEDIUM); | |
51 | } | |
52 | if (FcPatternGet (pattern, FC_SLANT, 0, &v) == FcResultNoMatch) | |
53 | { | |
54 | FcPatternAddInteger (pattern, FC_SLANT, FC_SLANT_ROMAN); | |
55 | } | |
56 | } | |
57 | ||
81fa16c3 KP |
58 | if (FcPatternGet (pattern, FC_WIDTH, 0, &v) == FcResultNoMatch) |
59 | FcPatternAddInteger (pattern, FC_WIDTH, FC_WIDTH_NORMAL); | |
60 | ||
24330d27 KP |
61 | for (i = 0; i < NUM_FC_BOOL_DEFAULTS; i++) |
62 | if (FcPatternGet (pattern, FcBoolDefaults[i].field, 0, &v) == FcResultNoMatch) | |
63 | FcPatternAddBool (pattern, FcBoolDefaults[i].field, FcBoolDefaults[i].value); | |
64 | ||
65 | if (FcPatternGet (pattern, FC_PIXEL_SIZE, 0, &v) == FcResultNoMatch) | |
66 | { | |
67 | double dpi, size, scale; | |
68 | ||
69 | if (FcPatternGetDouble (pattern, FC_SIZE, 0, &size) != FcResultMatch) | |
70 | { | |
71 | size = 12.0; | |
72 | (void) FcPatternDel (pattern, FC_SIZE); | |
73 | FcPatternAddDouble (pattern, FC_SIZE, size); | |
74 | } | |
75 | if (FcPatternGetDouble (pattern, FC_SCALE, 0, &scale) != FcResultMatch) | |
76 | { | |
77 | scale = 1.0; | |
78 | (void) FcPatternDel (pattern, FC_SCALE); | |
79 | FcPatternAddDouble (pattern, FC_SCALE, scale); | |
80 | } | |
81 | size *= scale; | |
82 | if (FcPatternGetDouble (pattern, FC_DPI, 0, &dpi) != FcResultMatch) | |
83 | { | |
84 | dpi = 75.0; | |
85 | (void) FcPatternDel (pattern, FC_DPI); | |
86 | FcPatternAddDouble (pattern, FC_DPI, dpi); | |
87 | } | |
88 | size *= dpi / 72.0; | |
89 | FcPatternAddDouble (pattern, FC_PIXEL_SIZE, size); | |
90 | } | |
e709ddfa KP |
91 | |
92 | if (FcPatternGet (pattern, FC_LANG, 0, &v) == FcResultNoMatch) | |
93 | { | |
94 | char *lang; | |
95 | char *territory; | |
96 | char *after; | |
97 | int lang_len, territory_len; | |
98 | char lang_local[128]; | |
99 | char *ctype = setlocale (LC_CTYPE, NULL); | |
100 | ||
101 | /* | |
102 | * Check if setlocale (LC_ALL, "") has been called | |
103 | */ | |
104 | if (!ctype || !strcmp (ctype, "C")) | |
105 | { | |
106 | ctype = getenv ("LC_ALL"); | |
107 | if (!ctype) | |
108 | { | |
109 | ctype = getenv ("LC_CTYPE"); | |
110 | if (!ctype) | |
111 | ctype = getenv ("LANG"); | |
112 | } | |
113 | } | |
114 | if (ctype) | |
115 | { | |
116 | lang = ctype; | |
117 | territory = strchr (ctype, '_'); | |
118 | if (territory) | |
119 | { | |
120 | lang_len = territory - lang; | |
121 | territory = territory + 1; | |
122 | after = strchr (territory, '.'); | |
123 | if (!after) | |
124 | { | |
125 | after = strchr (territory, '@'); | |
126 | if (!after) | |
127 | after = territory + strlen (territory); | |
128 | } | |
129 | territory_len = after - territory; | |
130 | if (lang_len + 1 + territory_len + 1 <= sizeof (lang_local)) | |
131 | { | |
132 | strncpy (lang_local, lang, lang_len); | |
133 | lang_local[lang_len] = '-'; | |
134 | strncpy (lang_local + lang_len + 1, territory, territory_len); | |
135 | lang_local[lang_len + 1 + territory_len] = '\0'; | |
136 | FcPatternAddString (pattern, FC_LANG, (FcChar8 *) lang_local); | |
137 | } | |
138 | } | |
139 | else | |
140 | FcPatternAddString (pattern, FC_LANG, (FcChar8 *) lang); | |
141 | } | |
142 | } | |
a342e87d KP |
143 | if (FcPatternGet (pattern, FC_FONTVERSION, 0, &v) == FcResultNoMatch) |
144 | { | |
145 | FcPatternAddInteger (pattern, FC_FONTVERSION, 0x7fffffff); | |
146 | } | |
f077d662 OT |
147 | |
148 | if (FcPatternGet (pattern, FC_HINT_STYLE, 0, &v) == FcResultNoMatch) | |
149 | { | |
150 | FcPatternAddInteger (pattern, FC_HINT_STYLE, FC_HINT_FULL); | |
151 | } | |
24330d27 | 152 | } |