Mercurial > hg > xemacs-beta
annotate src/font-mgr.c @ 5818:15b0715c204d
Avoid passing patterns to with charset property to FcNameUnparse.
Prevents crash reported by Raymond Toy.
| author | Stephen J. Turnbull <stephen@xemacs.org> |
|---|---|
| date | Sat, 18 Oct 2014 21:20:42 +0900 |
| parents | 23dc211f4d2f |
| children | 6928877dbc26 |
| rev | line source |
|---|---|
| 3354 | 1 /* Lisp font handling implementation for X with Xft. |
| 2 | |
| 3 Copyright (C) 2003 Eric Knauel and Matthias Neubauer | |
| 4 Copyright (C) 2005 Eric Knauel | |
|
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5 Copyright (C) 2004-2009, 2013 Free Software Foundation, Inc. |
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6 Copyright (C) 2010 Ben Wing. |
| 3354 | 7 |
| 8 Authors: Eric Knauel <knauel@informatik.uni-tuebingen.de> | |
| 9 Matthias Neubauer <neubauer@informatik.uni-freiburg.de> | |
| 10 Stephen J. Turnbull <stephen@xemacs.org> | |
| 11 Created: 27 Oct 2003 | |
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12 Updated: 18 November 2009 by Stephen J. Turnbull |
| 3354 | 13 |
| 14 This file is part of XEmacs. | |
| 15 | |
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16 XEmacs is free software: you can redistribute it and/or modify it |
| 3354 | 17 under the terms of the GNU General Public License as published by the |
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18 Free Software Foundation, either version 3 of the License, or (at your |
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19 option) any later version. |
| 3354 | 20 |
| 21 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 22 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 23 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 24 for more details. | |
| 25 | |
| 26 You should have received a copy of the GNU General Public License | |
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27 along with XEmacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 3354 | 28 |
| 29 /* Synched up with: Not in GNU Emacs. */ | |
| 30 | |
| 31 /* This module provides the Lisp interface to fonts in X11, including Xft, | |
| 32 but (at least at first) not GTK+ or Qt. | |
| 33 | |
| 34 Sealevel code should be in ../lwlib/lwlib-fonts.c or | |
| 35 ../lwlib/lwlib-colors.c. | |
| 36 */ | |
| 37 | |
| 38 #include <config.h> | |
| 39 #include "lisp.h" | |
| 40 #include "device.h" | |
| 41 #include "device-impl.h" | |
| 42 #include "console-x-impl.h" | |
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43 #include "fontcolor-x.h" |
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44 #include "fontcolor-x-impl.h" |
| 3354 | 45 #include "hash.h" |
| 46 #include "font-mgr.h" | |
| 47 | |
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48 #include "sysfile.h" |
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49 |
| 3354 | 50 /* #### TO DO #### |
| 51 . The "x-xft-*" and "x_xft_*" nomenclature is mostly redundant, especially | |
| 52 if we separate X fonts from Xft fonts, and use fontconfig more generally. | |
| 53 . We should support the most recent Xft first, old Xft libraries later. | |
| 54 . We may (think about it) wish to use fontconfig generally, even if we're | |
| 55 not using Xft. Either way, names that are really from fontconfig should | |
| 56 use the Fc* namespace. | |
| 57 . Mule-ize this file. | |
| 58 . Separate X Font Struct ops from Xft Font ops; give precedence to Xft but | |
| 59 allow fallback to X. | |
| 60 . Push decisions about font choice, defaults, fallbacks to Lisp; if we | |
| 61 really need efficiency, can reimplement in C later. | |
| 62 . Implement symbols interned in this file in the Q* namespace. | |
| 63 . Implement FcMatrix (Lisp vector). | |
| 64 . Implement FcCharSets (Lisp chartable? For implementation hints, see | |
| 65 FcCharSetFirstPage and FcCharSetNextPage). | |
| 66 . Implement FcConfigs. | |
| 67 DONE | |
| 68 . Fontconfig fontnames are encoded in UTF-8. | |
| 69 */ | |
| 70 | |
| 3360 | 71 Lisp_Object Qfont_mgr; |
| 3354 | 72 Lisp_Object Qfc_patternp; |
| 73 /* Lisp_Object Qfc_result_match; */ /* FcResultMatch */ | |
| 74 Lisp_Object Qfc_result_type_mismatch; /* FcResultTypeMismatch */ | |
| 75 Lisp_Object Qfc_result_no_match; /* FcResultNoMatch */ | |
| 76 Lisp_Object Qfc_result_no_id; /* FcResultNoId */ | |
| 77 Lisp_Object Qfc_internal_error; | |
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78 Lisp_Object Qfc_match_pattern; |
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79 Lisp_Object Qfc_match_font; |
| 3354 | 80 Lisp_Object Vxlfd_font_name_regexp; /* #### Really needed? */ |
| 3935 | 81 Fixnum xft_version; |
| 82 Fixnum fc_version; | |
| 3354 | 83 Fixnum debug_xft; /* Set to 1 enables lots of obnoxious messages. |
| 84 Setting it to 2 or 3 enables even more. */ | |
| 3931 | 85 #ifdef FONTCONFIG_EXPOSE_CONFIG |
| 86 Lisp_Object Qfc_configp; | |
| 87 static Lisp_Object Vfc_config_weak_list; | |
| 88 #endif | |
| 3354 | 89 |
| 90 /**************************************************************** | |
| 91 * FcPattern objects * | |
| 92 ****************************************************************/ | |
| 93 | |
| 94 static void | |
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95 finalize_fc_pattern (Lisp_Object obj) |
| 3354 | 96 { |
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97 struct fc_pattern *p = XFC_PATTERN (obj); |
| 3354 | 98 if (p->fcpatPtr) |
| 99 { | |
| 100 FcPatternDestroy (p->fcpatPtr); | |
| 101 p->fcpatPtr = 0; | |
| 102 } | |
| 103 } | |
| 104 | |
| 3906 | 105 /* #### We really need an equal method and a hash method (required if you |
| 106 have an equal method). For the equal method, we can probably use one | |
| 107 or both of | |
| 108 | |
| 109 -- Function: FcBool FcPatternEqual (const FcPattern *pa, const | |
| 110 FcPattern *pb); | |
| 111 Returns whether PA and PB are exactly alike. | |
| 112 | |
| 113 -- Function: FcBool FcPatternEqualSubset (const FcPattern *pa, const | |
| 114 FcPattern *pb, const FcObjectSet *os) | |
| 115 Returns whether PA and PB have exactly the same values for all of | |
| 116 the objects in OS. | |
| 117 | |
| 118 For the hash, we'll have to extract some subset of attributes. | |
| 119 | |
| 120 #### Crap. It's altogether unobvious what we need. x_color_instance | |
| 121 does have a hash method, but fonts are apparently special. I get the | |
| 122 feeling that for this to work properly we're going to need to switch | |
| 123 to fontconfig-based font specifications (although we can allow the | |
| 124 platform syntaxes, the underlying specification object will need to | |
| 125 conform to the fontconfig API, or more precisely the font-mgr API). | |
| 126 | |
| 127 I think the whole `font-truename' interface needs to be dropped. */ | |
| 128 | |
| 3354 | 129 static const struct memory_description fcpattern_description [] = { |
| 130 /* #### nothing here, is this right?? */ | |
| 131 { XD_END } | |
| 132 }; | |
| 133 | |
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134 DEFINE_NODUMP_LISP_OBJECT ("fc-pattern", fc_pattern, |
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135 0, external_object_printer, finalize_fc_pattern, |
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136 0, 0, fcpattern_description, |
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137 struct fc_pattern); |
| 3354 | 138 |
| 139 /* | |
| 140 * Helper Functions | |
| 141 */ | |
| 142 static Lisp_Object make_xlfd_font_regexp (void); | |
| 143 static void string_list_to_fcobjectset (Lisp_Object list, FcObjectSet *os); | |
| 144 | |
| 145 /* | |
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146 Extract the C representation of the Lisp string STR and convert it |
| 3354 | 147 to the encoding used by the Fontconfig API for property and font |
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148 names. These functions assume that STR is a Lisp string. |
| 3354 | 149 */ |
| 150 #define extract_fcapi_string(str) \ | |
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151 (LISP_STRING_TO_EXTERNAL ((str), Qfc_font_name_encoding)) |
| 3354 | 152 |
| 3906 | 153 #define build_fcapi_string(str) \ |
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154 (build_extstring ((Extbyte *) (str), Qfc_font_name_encoding)) |
| 3906 | 155 |
| 3360 | 156 /* #### This homebrew lashup should be replaced with FcConstants. |
| 157 | |
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158 #### This isn't true any more (fontconfig v2.10.95), if it ever was. |
| 3360 | 159 fontconfig assumes that objects (property names) are statically allocated, |
| 3354 | 160 and you will get bizarre results if you pass Lisp string data or strings |
| 161 allocated on the stack as objects. fontconfig _does_ copy values, so we | |
| 162 (I hope) don't have to worry about that member. | |
| 163 | |
| 164 Probably these functions don't get called so often that the memory leak | |
| 165 due to strdup'ing every time we add a property would matter, but XEmacs | |
| 166 _is_ a long-running process. So we hash them. | |
| 167 | |
| 168 I suspect that using symbol names or even keywords does not provide | |
| 169 assurance that the string won't move in memory. So we hash them | |
| 3360 | 170 ourselves; hash.c hashtables do not interpret the value pointers. |
| 171 | |
| 172 This array should be FcChar8**, but GCC 4.x bitches about signedness. */ | |
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173 static const Extbyte *fc_standard_properties[] = |
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174 { |
| 3360 | 175 /* treated specially, ordered first */ |
| 176 "family", "size", | |
| 177 /* remaining are alphabetized by group */ | |
| 178 /* standard properties in fontconfig and Xft v.2 */ | |
| 179 "antialias", "aspect", "autohint", "charset", "dpi", "file", | |
| 3354 | 180 "foundry", "ftface", "globaladvance", "hinting", "index", "lang", |
| 181 "minspace", "outline", "pixelsize", "rasterizer", "rgba", "scalable", | |
| 3360 | 182 "scale", "slant", "spacing", "style", "verticallayout", "weight", |
| 183 /* common in modern fonts */ | |
| 184 "fontformat", "fontversion", | |
| 3354 | 185 /* obsolete after Xft v. 1 */ |
| 186 "charwidth", "charheight", "core", "encoding", "render" | |
| 187 }; | |
| 188 | |
| 189 static struct hash_table *fc_property_name_hash_table; | |
| 190 | |
| 191 /* #### Maybe fc_intern should be exposed to LISP? The idea is that | |
| 192 fc-pattern-add could warn or error if the property isn't interned. */ | |
| 193 | |
| 3469 | 194 static const Extbyte * |
| 3354 | 195 fc_intern (Lisp_Object property) |
| 196 { | |
| 197 const void *dummy; | |
| 3469 | 198 const Extbyte *prop = extract_fcapi_string (property); |
| 3354 | 199 const void *val = gethash (prop, fc_property_name_hash_table, &dummy); |
| 200 | |
| 201 /* extract_fcapi_string returns something alloca'd | |
| 202 so we can just drop the old value of prop on the floor */ | |
| 203 if (val) | |
| 3469 | 204 prop = (const Extbyte *) val; |
| 3354 | 205 else |
| 206 { | |
| 3469 | 207 prop = (const Extbyte *) FcStrCopy ((FcChar8 *) prop); |
| 3354 | 208 puthash (prop, NULL, fc_property_name_hash_table); |
| 209 } | |
| 210 return prop; | |
| 211 } | |
| 212 | |
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213 DEFUN ("fc-pattern-p", Ffc_pattern_p, 1, 1, 0, /* |
| 3354 | 214 Returns t if OBJECT is of type fc-pattern, nil otherwise. |
| 215 */ | |
| 216 (object)) | |
| 217 { | |
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218 return FC_PATTERNP (object) ? Qt : Qnil; |
| 3354 | 219 } |
| 220 | |
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221 DEFUN ("fc-pattern-create", Ffc_pattern_create, 0, 0, 0, /* |
| 3354 | 222 Return a new, empty fc-pattern object. |
| 223 */ | |
| 224 ()) | |
| 225 { | |
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226 fc_pattern *fcpat = XFC_PATTERN (ALLOC_NORMAL_LISP_OBJECT (fc_pattern)); |
| 3354 | 227 |
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228 fcpat->fcpatPtr = FcPatternCreate (); |
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229 assert (fcpat->fcpatPtr); |
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230 return wrap_fc_pattern (fcpat); |
| 3354 | 231 } |
| 232 | |
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233 DEFUN ("fc-name-parse", Ffc_name_parse, 1, 1, 0, /* |
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234 Parse an Fc font name and return its representation as a Fc pattern object. |
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235 Signal `invalid-argument' if the name is unparseable. |
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236 |
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237 Note: The name returned by xft-font-truename has been observed to be |
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238 unparseable \(in the case of the xft-font-default-font-name). The cause |
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239 is unknown so you can't assume getting a name from a font instance then |
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240 instantiating the font again will round-trip. See `fc-name-parse-harder'. |
| 3354 | 241 */ |
| 242 (name)) | |
| 243 { | |
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244 fc_pattern *fcpat = XFC_PATTERN (ALLOC_NORMAL_LISP_OBJECT (fc_pattern)); |
| 3354 | 245 |
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246 CHECK_STRING (name); |
| 3469 | 247 fcpat->fcpatPtr = FcNameParse ((FcChar8 *) extract_fcapi_string (name)); |
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248 if (!fcpat->fcpatPtr) |
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249 /* #### Is this the best API? Could return a symbol or similar. */ |
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250 invalid_argument ("unparseable Fc font name", name); |
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251 return wrap_fc_pattern (fcpat); |
| 3354 | 252 } |
| 253 | |
| 254 /* #### Ga-a-ack! Xft's similar function is actually a different API. | |
| 255 We provide both. */ | |
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256 DEFUN ("fc-name-unparse", Ffc_name_unparse, 1, 1, 0, /* |
| 3354 | 257 Unparse an fc pattern object to a string. |
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258 To work around a bug in fontconfig (at least 2.11.1), the 'charset' property |
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259 is removed before passing to FcNameUnparse. To extract the 'charset' property, |
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260 use `\(fc-pattern-get PATTERN "charset")'. |
| 3354 | 261 */ |
| 262 (pattern)) | |
| 263 { | |
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264 FcChar8 *name; |
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265 Lisp_Object result; |
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266 |
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267 CHECK_FC_PATTERN (pattern); |
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268 /* #### Could use multiple values here to extract and return charset? */ |
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269 FcPatternDel (XFC_PATTERN_PTR (pattern), FC_CHARSET); |
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270 |
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271 name = FcNameUnparse (XFC_PATTERN_PTR (pattern)); |
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272 result = build_fcapi_string (name); |
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273 xfree (name); |
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274 return result; |
| 3354 | 275 } |
| 276 | |
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277 DEFUN ("fc-pattern-duplicate", Ffc_pattern_duplicate, 1, 1, 0, /* |
| 3354 | 278 Make a copy of the fc pattern object PATTERN and return it. |
| 279 */ | |
| 280 (pattern)) | |
| 281 { | |
| 282 struct fc_pattern *copy = NULL; | |
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283 CHECK_FC_PATTERN (pattern); |
| 3354 | 284 |
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285 copy = XFC_PATTERN (ALLOC_NORMAL_LISP_OBJECT (fc_pattern)); |
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286 copy->fcpatPtr = FcPatternDuplicate (XFC_PATTERN_PTR (pattern)); |
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287 return wrap_fc_pattern (copy); |
| 3354 | 288 } |
| 289 | |
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290 DEFUN ("fc-pattern-add", Ffc_pattern_add, 3, 3, 0, /* |
| 3354 | 291 Add attributes to the pattern object PATTERN. PROPERTY is a string naming |
| 292 the attribute to add, VALUE the value for this attribute. | |
| 293 | |
| 294 VALUE may be a string, integer, float, or symbol, in which case the value | |
| 295 will be added as an FcChar8[], int, double, or FcBool respectively. | |
| 296 */ | |
| 297 (pattern, property, value)) | |
| 298 { | |
| 299 Bool res = 0; | |
| 3469 | 300 const Extbyte *obj; |
| 3354 | 301 FcPattern *fcpat; |
| 302 | |
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303 CHECK_FC_PATTERN (pattern); |
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304 CHECK_STRING (property); |
| 3354 | 305 |
| 306 obj = fc_intern (property); | |
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307 fcpat = XFC_PATTERN_PTR (pattern); |
| 3354 | 308 |
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309 if (STRINGP (value)) |
| 3354 | 310 { |
| 311 FcChar8 *str = (FcChar8 *) extract_fcapi_string (value); | |
| 312 res = FcPatternAddString (fcpat, obj, str); | |
| 313 } | |
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314 else if (FIXNUMP (value)) |
| 3354 | 315 { |
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316 res = FcPatternAddInteger (fcpat, obj, XFIXNUM (value)); |
| 3354 | 317 } |
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318 else if (FLOATP (value)) |
| 3354 | 319 { |
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320 res = FcPatternAddDouble (fcpat, obj, (double) XFLOAT_DATA (value)); |
| 3354 | 321 } |
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322 else if (SYMBOLP (value)) |
| 3354 | 323 { |
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324 res = FcPatternAddBool (fcpat, obj, !NILP (value)); |
| 3354 | 325 } |
| 326 /* else ... maybe we should wta here? */ | |
| 327 | |
| 328 return res ? Qt : Qnil; | |
| 329 } | |
| 330 | |
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331 DEFUN ("fc-pattern-del", Ffc_pattern_del, 2, 2, 0, /* |
| 3354 | 332 Remove attribute PROPERTY from fc pattern object OBJECT. |
| 333 */ | |
| 334 (pattern, property)) | |
| 335 { | |
| 336 Bool res; | |
| 337 | |
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338 CHECK_FC_PATTERN (pattern); |
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339 CHECK_STRING (property); |
| 3354 | 340 |
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341 res = FcPatternDel (XFC_PATTERN_PTR (pattern), extract_fcapi_string (property)); |
| 3354 | 342 return res ? Qt : Qnil; |
| 343 } | |
| 344 | |
| 345 /* Generic interface to FcPatternGet() | |
| 346 * Don't support the losing symbol-for-property interface. | |
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347 * To support that interface properly, we should have `fc-register-property' |
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348 * so that only registered symbols could be used. Then it would serve to |
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349 * provide the same kind of check that the C-level FC_* macros do. |
| 3354 | 350 */ |
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351 DEFUN ("fc-pattern-get", Ffc_pattern_get, 2, 4, 0, /* |
| 3354 | 352 From PATTERN, extract PROPERTY for the ID'th member, of type TYPE. |
| 353 | |
| 354 PATTERN is an Xft (fontconfig) pattern object. | |
| 355 PROPERTY is a string naming an fontconfig font property. | |
| 356 Optional ID is a nonnegative integer indexing the list of values for PROPERTY | |
| 357 stored in PATTERN, defaulting to 0 (the first value). | |
| 358 Optional TYPE is a symbol, one of 'string, 'boolean, 'integer, 'float, | |
| 359 'double, 'matrix, 'charset, or 'void, corresponding to the FcValue types. | |
| 360 ('float is an alias for 'double). | |
| 361 | |
| 362 The Lisp types returned will conform to TYPE: | |
| 363 string string | |
| 364 boolean `t' or `nil' | |
| 365 integer integer | |
| 366 double (float) float | |
| 367 matrix not implemented | |
| 368 charset not implemented | |
| 369 void not implemented | |
| 370 | |
| 371 Symbols with names of the form "fc-result-DESCRIPTION" are returned when | |
| 372 the desired value is not available. These are | |
| 373 | |
| 374 fc-result-type-mismatch the value found has an unexpected type | |
| 375 fc-result-no-match there is no such attribute | |
| 376 fc-result-no-id there is no value for the requested ID | |
| 377 | |
| 378 The types of the following standard properties are predefined by fontconfig. | |
| 379 The symbol 'fc-result-type-mismatch will be returned if the object exists but | |
| 380 TYPE does not match the predefined type. It is best not to specify a type | |
| 381 for predefined properties, as a mistake here ensures error returns on the | |
| 382 correct type. | |
| 383 | |
| 384 Each standard property has a convenience accessor defined in fontconfig.el, | |
| 385 named in the form "fc-pattern-get-PROPERTY". The convenience functions are | |
| 386 preferred to `fc-pattern-get' since a typo in the string naming a property | |
| 387 will result in a silent null return, while a typo in a function name will | |
| 388 usually result in a compiler or runtime \"not fboundp\" error. You may use | |
| 389 `defsubst' to define convenience functions for non-standard properties. | |
| 390 | |
| 391 family String Font family name | |
| 392 style String Font style. Overrides weight and slant | |
| 393 slant Int Italic, oblique or roman | |
| 394 weight Int Light, medium, demibold, bold or black | |
| 395 size Double Point size | |
| 396 aspect Double Stretches glyphs horizontally before hinting | |
| 397 pixelsize Double Pixel size | |
| 398 spacing Int Proportional, monospace or charcell | |
| 399 foundry String Font foundry name | |
| 400 antialias Bool Whether glyphs can be antialiased | |
| 401 hinting Bool Whether the rasterizer should use hinting | |
| 402 verticallayout Bool Use vertical layout | |
| 403 autohint Bool Use autohinter instead of normal hinter | |
| 404 globaladvance Bool Use font global advance data | |
| 405 file String The filename holding the font | |
| 406 index Int The index of the font within the file | |
| 407 ftface FT_Face Use the specified FreeType face object | |
| 408 rasterizer String Which rasterizer is in use | |
| 409 outline Bool Whether the glyphs are outlines | |
| 410 scalable Bool Whether glyphs can be scaled | |
| 411 scale Double Scale factor for point->pixel conversions | |
| 412 dpi Double Target dots per inch | |
| 413 rgba Int unknown, rgb, bgr, vrgb, vbgr, none - subpixel geometry | |
| 414 minspace Bool Eliminate leading from line spacing | |
| 415 charset CharSet Unicode chars encoded by the font | |
| 416 lang String List of RFC-3066-style languages this font supports | |
| 417 | |
| 418 The FT_Face, Matrix, CharSet types are unimplemented, so the corresponding | |
| 419 properties are not accessible from Lisp at this time. If the value of a | |
| 420 property returned has type FT_Face, FcCharSet, or FcMatrix, | |
| 421 `fc-result-type-mismatch' is returned. | |
| 422 | |
| 423 The following properties which were standard in Xft v.1 are obsolete in | |
| 424 Xft v.2: encoding, charwidth, charheight, core, and render. */ | |
| 425 (pattern, property, id, type)) | |
| 426 { | |
| 3469 | 427 Extbyte *fc_property; |
| 3354 | 428 FcResult fc_result; |
| 429 FcValue fc_value; | |
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430 int int_id = 0; |
| 3354 | 431 |
| 432 /* | |
| 433 process arguments | |
| 434 */ | |
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435 CHECK_FC_PATTERN (pattern); |
| 3354 | 436 |
| 437 #if 0 | |
| 438 /* Don't support the losing symbol-for-property interface. */ | |
| 439 property = SYMBOLP (property) ? symbol_name (XSYMBOL (property)) : property; | |
| 440 #endif | |
| 441 if (STRINGP (property)) | |
| 442 { | |
| 3469 | 443 fc_property = extract_fcapi_string (property); |
| 3354 | 444 } |
| 445 else | |
| 446 { | |
| 447 /* if we allow symbols, this would need to be | |
| 448 list3 (Qlambda, list1 (Qobject), | |
| 449 list3 (Qor, list2 (Qstringp, Qobject), | |
| 450 list2 (Qsymbolp, Qobject))) | |
| 451 or something like that? */ | |
| 452 dead_wrong_type_argument (Qstringp, property); | |
| 453 } | |
| 454 | |
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455 if (!NILP (id)) |
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456 { |
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457 #ifdef HAVE_BIGNUM |
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458 check_integer_range (id, Qzero, make_integer (INT_MAX)); |
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459 int_id = BIGNUMP (id) ? bignum_to_int (XBIGNUM_DATA (id)) : XFIXNUM (id); |
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460 #else |
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461 check_integer_range (id, Qzero, make_fixnum (MOST_POSITIVE_FIXNUM)); |
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462 int_id = XFIXNUM (id); |
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463 #endif |
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464 } |
| 3354 | 465 if (!NILP (type)) CHECK_SYMBOL (type); |
| 466 | |
| 467 /* get property */ | |
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468 fc_result = FcPatternGet (XFC_PATTERN_PTR (pattern), |
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469 fc_property, int_id, &fc_value); |
| 3354 | 470 |
| 471 switch (fc_result) | |
| 472 { | |
| 473 case FcResultMatch: | |
| 474 /* wrap it and return */ | |
| 475 switch (fc_value.type) | |
| 476 { | |
| 477 case FcTypeInteger: | |
| 478 return ((!NILP (type) && !EQ (type, Qinteger)) | |
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479 ? Qfc_result_type_mismatch : make_fixnum (fc_value.u.i)); |
| 3354 | 480 case FcTypeDouble: |
| 481 return ((!NILP (type) && !EQ (type, intern ("double")) | |
| 482 && !EQ (type, Qfloat)) | |
| 483 ? Qfc_result_type_mismatch : make_float (fc_value.u.d)); | |
| 484 case FcTypeString: | |
| 485 return ((!NILP (type) && !EQ (type, Qstring)) | |
| 486 ? Qfc_result_type_mismatch | |
| 3906 | 487 : build_fcapi_string (fc_value.u.s)); |
| 3354 | 488 case FcTypeBool: |
| 489 return ((!NILP (type) && !EQ (type, Qboolean)) | |
| 490 ? Qfc_result_type_mismatch : fc_value.u.b ? Qt : Qnil); | |
| 491 case FcTypeMatrix: | |
| 492 return Qfc_result_type_mismatch; | |
| 493 /* #### unimplemented | |
| 494 return ((!NILP (type) && !EQ (type, intern ("matrix"))) | |
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495 ? Qfc_result_type_mismatch : make_fixnum (fc_value.u.m)); |
| 3354 | 496 */ |
| 497 case FcTypeCharSet: | |
| 498 return Qfc_result_type_mismatch; | |
| 499 /* #### unimplemented | |
| 500 return ((!NILP (type) && !EQ (type, intern ("charset"))) | |
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501 ? Qfc_result_type_mismatch : make_fixnum (fc_value.u.c)); |
| 3354 | 502 */ |
| 503 } | |
| 504 case FcResultTypeMismatch: | |
| 505 return Qfc_result_type_mismatch; | |
| 506 case FcResultNoMatch: | |
| 507 return Qfc_result_no_match; | |
| 508 case FcResultNoId: | |
| 509 return Qfc_result_no_id; | |
| 510 default: | |
| 511 return Qfc_internal_error; | |
| 512 } | |
| 513 } | |
| 514 | |
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515 /* FcConfig handling functions. */ |
| 3354 | 516 |
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517 /* We obviously need to be careful about garbage collecting the current |
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518 FcConfig. I infer from the documentation of FcConfigDestroy that that |
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519 is the only reference maintained by fontconfig. |
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520 So we keep track of our own references on a weak list, and only cons a |
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521 new object if we don't already have a reference to it there. */ |
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522 |
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523 enum DestroyFontsetP { DestroyNo = 0, DestroyYes = 1 }; |
| 3354 | 524 |
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525 static Lisp_Object |
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526 fc_config_create_using (FcConfig * (*create_function) (void)) |
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527 { |
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528 FcConfig *fc = (*create_function) (); |
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529 Lisp_Object configs = XWEAK_LIST_LIST (Vfc_config_weak_list); |
| 3354 | 530 |
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531 /* Linear search: fc_configs are not going to multiply like conses. */ |
| 3360 | 532 { |
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533 LIST_LOOP_2 (cfg, configs) |
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534 if (fc == XFC_CONFIG_PTR (cfg)) |
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535 return cfg; |
| 3360 | 536 } |
| 537 | |
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538 { |
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539 fc_config *fccfg = XFC_CONFIG (ALLOC_NORMAL_LISP_OBJECT (fc_config)); |
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540 fccfg->fccfgPtr = fc; |
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541 configs = Fcons (wrap_fc_config (fccfg), configs); |
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542 XWEAK_LIST_LIST (Vfc_config_weak_list) = configs; |
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543 return wrap_fc_config (fccfg); |
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544 } |
| 3354 | 545 } |
| 546 | |
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547 static Lisp_Object |
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548 fc_strlist_to_lisp_using (FcStrList * (*getter) (FcConfig *), |
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549 Lisp_Object config) |
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550 { |
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551 FcChar8 *thing; |
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552 Lisp_Object value = Qnil; |
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553 FcStrList *thing_list; |
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554 |
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555 CHECK_FC_CONFIG (config); |
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556 thing_list = (*getter) (XFC_CONFIG_PTR (config)); |
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557 /* Yes, we need to do this check -- sheesh, Keith! */ |
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558 if (!thing_list) |
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559 return Qnil; |
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560 while ((thing = FcStrListNext (thing_list))) |
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561 value = Fcons (build_fcapi_string (thing), value); |
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562 FcStrListDone (thing_list); |
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563 return value; |
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564 } |
| 3931 | 565 |
| 3354 | 566 static Lisp_Object |
| 3931 | 567 fontset_to_list (FcFontSet *fontset, enum DestroyFontsetP destroyp) |
| 3354 | 568 { |
| 569 int idx; | |
| 570 Lisp_Object fontlist = Qnil; | |
| 571 fc_pattern *fcpat; | |
| 572 | |
| 573 /* #### improve this error message */ | |
| 574 if (!fontset) | |
| 4860 | 575 invalid_state ("failed to create FcFontSet", Qunbound); |
| 3354 | 576 for (idx = 0; idx < fontset->nfont; ++idx) |
| 577 { | |
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578 fcpat = XFC_PATTERN (ALLOC_NORMAL_LISP_OBJECT (fc_pattern)); |
| 3354 | 579 fcpat->fcpatPtr = FcPatternDuplicate (fontset->fonts[idx]); |
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580 fontlist = Fcons (wrap_fc_pattern (fcpat), fontlist); |
| 3354 | 581 } |
| 3931 | 582 if (destroyp) |
| 583 FcFontSetDestroy (fontset); | |
| 3354 | 584 return fontlist; |
| 585 } | |
| 586 | |
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587 DEFUN ("fc-config-p", Ffc_config_p, 1, 1, 0, /* |
| 3931 | 588 Returns t if OBJECT is of type fc-config, nil otherwise. |
| 589 */ | |
| 590 (object)) | |
| 591 { | |
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592 return FC_CONFIGP (object) ? Qt : Qnil; |
| 3931 | 593 } |
| 594 | |
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595 DEFUN ("fc-config-create", Ffc_config_create, 0, 0, 0, /* |
| 3931 | 596 -- Function: FcConfig *FcConfigCreate (void) |
| 597 Creates an empty configuration. */ | |
| 598 ()) | |
| 599 { | |
| 600 return fc_config_create_using (&FcConfigCreate); | |
| 601 } | |
| 602 | |
| 603 #if 0 | |
| 604 /* I'm sorry, but we just don't do this in Lisp, OK? | |
| 605 Don't even think about implementing this. */ | |
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606 DEFUN ("fc-config-destroy", Ffc_config_destroy, 1, 1, 0, /* |
| 3931 | 607 -- Function: void FcConfigDestroy (FcConfig *config) |
| 608 Destroys a configuration and any data associated with it. Note | |
| 609 that calling this function with the return value from | |
| 610 FcConfigGetCurrent will place the library in an indeterminate | |
| 611 state. */ | |
| 612 (config)) | |
| 613 { | |
| 614 signal_error (Qunimplemented, "No user-servicable parts!", | |
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615 intern ("fc-config-destroy")); |
| 3931 | 616 } |
| 617 #endif | |
| 618 | |
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619 DEFUN ("fc-config-up-to-date", Ffc_config_up_to_date, 1, 1, 0, /* |
| 3931 | 620 -- Function: FcBool FcConfigUptoDate (FcConfig *config) |
| 621 Checks all of the files related to 'config' and returns whether the | |
| 622 in-memory version is in sync with the disk version. */ | |
| 623 (config)) | |
| 624 { | |
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625 CHECK_FC_CONFIG (config); |
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626 return FcConfigUptoDate (XFC_CONFIG_PTR (config)) == FcFalse ? Qnil : Qt; |
| 3931 | 627 } |
| 628 | |
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629 DEFUN ("fc-config-build-fonts", Ffc_config_build_fonts, 1, 1, 0, /* |
| 3931 | 630 -- Function: FcBool FcConfigBuildFonts (FcConfig *config) |
| 631 Builds the set of available fonts for the given configuration. | |
| 632 Note that any changes to the configuration after this call have | |
| 633 indeterminate effects. Returns FcFalse if this operation runs out | |
| 634 of memory. | |
| 635 XEmacs: signal out-of-memory, or return nil on success. */ | |
| 636 (config)) | |
| 637 { | |
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638 CHECK_FC_CONFIG (config); |
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639 if (FcConfigBuildFonts (XFC_CONFIG_PTR (config)) == FcFalse) |
| 3931 | 640 out_of_memory ("FcConfigBuildFonts failed", config); |
| 641 return Qnil; | |
| 642 } | |
| 643 | |
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644 DEFUN ("fc-config-get-config-dirs", Ffc_config_get_config_dirs, 1, 1, 0, /* |
| 3931 | 645 -- Function: FcStrList *FcConfigGetConfigDirs (FcConfig *config) |
| 646 Returns the list of font directories specified in the | |
| 647 configuration files for 'config'. Does not include any | |
| 648 subdirectories. */ | |
| 649 (config)) | |
| 650 { | |
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651 return fc_strlist_to_lisp_using (&FcConfigGetConfigDirs, config); |
| 3931 | 652 } |
| 653 | |
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654 DEFUN ("fc-config-get-font-dirs", Ffc_config_get_font_dirs, 1, 1, 0, /* |
| 3931 | 655 -- Function: FcStrList *FcConfigGetFontDirs (FcConfig *config) |
| 656 Returns the list of font directories in 'config'. This includes the | |
| 657 configured font directories along with any directories below those | |
| 658 in the filesystem. */ | |
| 659 (config)) | |
| 660 { | |
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661 return fc_strlist_to_lisp_using (&FcConfigGetFontDirs, config); |
| 3931 | 662 } |
| 663 | |
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664 DEFUN ("fc-config-get-config-files", Ffc_config_get_config_files, 1, 1, 0, /* |
| 3931 | 665 -- Function: FcStrList *FcConfigGetConfigFiles (FcConfig *config) |
| 666 Returns the list of known configuration files used to generate | |
| 667 'config'. Note that this will not include any configuration done | |
| 668 with FcConfigParse. */ | |
| 669 (config)) | |
| 670 { | |
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671 return fc_strlist_to_lisp_using (&FcConfigGetConfigFiles, config); |
| 3931 | 672 } |
| 673 | |
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674 DEFUN ("fc-config-get-cache", Ffc_config_get_cache, 1, 1, 0, /* |
| 3931 | 675 -- Function: char *FcConfigGetCache (FcConfig *config) |
| 676 Returns the name of the file used to store per-user font | |
| 677 information. */ | |
| 678 (config)) | |
| 679 { | |
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680 CHECK_FC_CONFIG (config); |
| 3931 | 681 /* Surely FcConfigGetCache just casts an FcChar8* to char*. */ |
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682 return build_fcapi_string ((FcChar8 *) FcConfigGetCache (XFC_CONFIG_PTR (config))); |
| 3931 | 683 } |
| 684 | |
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685 DEFUN ("fc-config-get-fonts", Ffc_config_get_fonts, 2, 2, 0, /* |
| 3931 | 686 -- Function: FcFontSet *FcConfigGetFonts (FcConfig *config, FcSetName set) |
| 687 Returns one of the two sets of fonts from the configuration as | |
| 688 specified by 'set'. | |
| 689 `FcSetName' | |
| 690 Specifies one of the two sets of fonts available in a | |
| 691 configuration; FcSetSystem for those fonts specified in the | |
| 692 configuration and FcSetApplication which holds fonts provided by | |
| 693 the application. */ | |
| 694 (config, set)) | |
| 695 { | |
| 696 FcSetName name = FcSetSystem; | |
| 697 FcFontSet *fs = NULL; | |
| 698 | |
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699 CHECK_FC_CONFIG (config); |
| 3931 | 700 CHECK_SYMBOL (set); |
| 701 | |
| 702 if (EQ (set, intern ("fc-set-system"))) | |
| 703 name = FcSetSystem; | |
| 704 else if (EQ (set, intern ("fc-set-application"))) | |
| 705 name = FcSetApplication; | |
| 706 else | |
| 707 wtaerror ("must be in (fc-set-system fc-set-application)", set); | |
| 708 | |
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709 fs = FcConfigGetFonts (XFC_CONFIG_PTR (config), name); |
| 3931 | 710 return fs ? fontset_to_list (fs, DestroyNo) : Qnil; |
| 711 } | |
| 712 | |
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713 DEFUN ("fc-config-set-current", Ffc_config_set_current, 1, 1, 0, /* |
| 3931 | 714 -- Function: FcBool FcConfigSetCurrent (FcConfig *config) |
| 715 Sets the current default configuration to 'config'. Implicitly | |
| 716 calls FcConfigBuildFonts if necessary, returning FcFalse if that | |
| 717 call fails. | |
| 718 XEmacs: signals out-of-memory if FcConfigBuildFonts fails, or args-out-of-range | |
| 719 if the resulting FcConfig has no fonts (which would crash XEmacs if installed). | |
| 720 */ | |
| 721 (config)) | |
| 722 { | |
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723 CHECK_FC_CONFIG (config); |
| 3931 | 724 /* *sigh* "Success" DOES NOT mean you have any fonts available. It is |
| 725 easy to crash fontconfig, and XEmacs with it. Without the following | |
| 726 check, this will do it: | |
| 727 (progn | |
| 728 (fc-config-set-current (fc-config-create)) | |
| 729 (set-face-font 'default "serif-12")) | |
| 730 */ | |
| 731 | |
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732 if (FcConfigBuildFonts (XFC_CONFIG_PTR (config)) == FcFalse) |
| 3931 | 733 out_of_memory ("FcConfigBuildFonts failed", config); |
| 734 /* #### We'd like to avoid this consing, and FcConfigGetFonts sometimes | |
| 735 returns NULL, but it doesn't always. This will do for now .... */ | |
| 736 if (NILP (Ffc_config_get_fonts (config, intern ("fc-set-system"))) | |
| 737 && NILP (Ffc_config_get_fonts (config, intern ("fc-set-application")))) | |
| 738 signal_error (intern ("args-out-of-range"), "no fonts found", config); | |
| 739 /* Should never happen, but I don't trust Keith anymore .... */ | |
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740 if (FcConfigSetCurrent (XFC_CONFIG_PTR (config)) == FcFalse) |
| 3931 | 741 out_of_memory ("FcConfigBuildFonts failed in set", config); |
| 742 return Qnil; | |
| 743 } | |
| 744 | |
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745 DEFUN ("fc-config-get-blanks", Ffc_config_get_blanks, 1, 1, 0, /* |
| 3931 | 746 -- Function: FcBlanks *FcConfigGetBlanks (FcConfig *config) |
| 747 Returns the FcBlanks object associated with the given | |
| 748 configuration, if no blanks were present in the configuration, | |
| 749 this function will return 0. | |
| 750 XEmacs: should convert to a chartable. | |
| 751 #### Unimplemented. */ | |
| 752 (config)) | |
| 753 { | |
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754 CHECK_FC_CONFIG (config); |
| 3931 | 755 signal_error (Qunimplemented, "no method to convert FcBlanks object", |
| 756 intern ("fc-config-get-blanks")); | |
| 757 } | |
| 758 | |
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759 DEFUN ("fc-config-get-rescan-interval", Ffc_config_get_rescan_interval, 1, 1, 0, /* |
|
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760 -- Function: int FcConfigGetRescanInterval (FcConfig *config) |
| 3931 | 761 Returns the interval between automatic checks of the configuration |
| 762 (in seconds) specified in 'config'. The configuration is checked | |
| 763 during a call to FcFontList when this interval has passed since | |
| 764 the last check. */ | |
| 765 (config)) | |
| 766 { | |
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767 CHECK_FC_CONFIG (config); |
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768 return make_fixnum (FcConfigGetRescanInterval (XFC_CONFIG_PTR (config))); |
| 3931 | 769 } |
| 770 | |
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771 DEFUN ("fc-config-set-rescan-interval", Ffc_config_set_rescan_interval, 2, 2, 0, /* |
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772 -- Function: FcBool FcConfigSetRescanInterval (FcConfig *config, int |
| 3931 | 773 rescanInterval) |
| 774 Sets the rescan interval; returns FcFalse if an error occurred. | |
| 775 XEmacs: signal such error, or return nil on success. */ | |
| 776 (config, rescan_interval)) | |
| 777 { | |
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778 CHECK_FC_CONFIG (config); |
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779 CHECK_FIXNUM (rescan_interval); |
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780 if (FcConfigSetRescanInterval (XFC_CONFIG_PTR (config), |
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781 XFIXNUM (rescan_interval)) == FcFalse) |
| 3931 | 782 signal_error (Qio_error, "FcConfigSetRescanInverval barfed", |
| 783 intern ("fc-config-set-rescan-interval")); | |
| 784 return Qnil; | |
| 785 } | |
| 786 | |
| 787 /* #### This might usefully be made interactive. */ | |
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788 DEFUN ("fc-config-app-font-add-file", Ffc_config_app_font_add_file, 2, 2, 0, /* |
| 3931 | 789 -- Function: FcBool FcConfigAppFontAddFile (FcConfig *config, const |
| 790 char *file) | |
| 791 Adds an application-specific font to the configuration. */ | |
| 792 (config, file)) | |
| 793 { | |
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794 CHECK_FC_CONFIG (config); |
| 3931 | 795 CHECK_STRING (file); |
| 796 if (FcConfigAppFontAddFile | |
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797 (XFC_CONFIG_PTR (config), |
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798 /* #### FIXME! is Qfile_name right? */ |
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|
799 (FcChar8 *) LISP_STRING_TO_EXTERNAL (file, Qfile_name)) == FcFalse) |
| 3931 | 800 return Qnil; |
| 801 else | |
| 802 return Qt; | |
| 803 } | |
| 804 | |
| 805 /* #### This might usefully be made interactive. */ | |
|
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806 DEFUN ("fc-config-app-font-add-dir", Ffc_config_app_font_add_dir, 2, 2, 0, /* |
| 3931 | 807 -- Function: FcBool FcConfigAppFontAddDir (FcConfig *config, const |
| 808 char *dir) | |
| 809 Scans the specified directory for fonts, adding each one found to | |
| 810 the application-specific set of fonts. */ | |
| 811 (config, dir)) | |
| 812 { | |
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813 CHECK_FC_CONFIG (config); |
| 3931 | 814 CHECK_STRING (dir); |
| 815 if (FcConfigAppFontAddDir | |
|
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|
816 (XFC_CONFIG_PTR (config), |
|
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817 /* #### FIXME! is Qfile_name right? */ |
|
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818 (FcChar8 *) LISP_STRING_TO_EXTERNAL (dir, Qfile_name)) == FcFalse) |
| 3931 | 819 return Qnil; |
| 820 else | |
| 821 return Qt; | |
| 822 } | |
| 823 | |
| 824 /* #### This might usefully be made interactive. */ | |
|
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825 DEFUN ("fc-config-app-font-clear", Ffc_config_app_font_clear, 1, 1, 0, /* |
| 3931 | 826 -- Function: void FcConfigAppFontClear (FcConfig *config) |
| 827 Clears the set of application-specific fonts. */ | |
| 828 (config)) | |
| 829 { | |
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830 CHECK_FC_CONFIG (config); |
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831 FcConfigAppFontClear (XFC_CONFIG_PTR (config)); |
| 3931 | 832 return Qnil; |
| 833 } | |
| 834 | |
| 835 /* These functions provide some control over how the default | |
| 836 configuration of the library is initialized. (This configuration is | |
| 837 normally implicitly initialized.) */ | |
| 838 | |
|
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839 DEFUN ("fc-config-filename", Ffc_config_filename, 1, 1, 0, /* |
| 3931 | 840 -- Function: char *FcConfigFilename (const char *name) |
| 841 Given the specified external entity name, return the associated | |
| 842 filename. This provides applications a way to convert various | |
| 843 configuration file references into filename form. | |
| 844 | |
| 845 A null or empty 'name' indicates that the default configuration | |
| 846 file should be used; which file this references can be overridden | |
| 847 with the FC_CONFIG_FILE environment variable. Next, if the name | |
| 848 starts with '~', it refers to a file in the current users home | |
| 849 directory. Otherwise if the name doesn't start with '/', it | |
| 850 refers to a file in the default configuration directory; the | |
| 851 built-in default directory can be overridden with the | |
| 852 FC_CONFIG_DIR environment variable. */ | |
| 853 (name)) | |
| 854 { | |
| 4932 | 855 const Ascbyte *fcname = ""; |
| 3931 | 856 |
| 857 if (!NILP (name)) | |
| 858 { | |
| 859 CHECK_STRING (name); | |
|
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860 /* #### FIXME! is Qfile_name right? */ |
|
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861 LISP_PATHNAME_CONVERT_OUT (name, fcname); |
| 3931 | 862 } |
| 863 return (build_fcapi_string (FcConfigFilename ((FcChar8 *) fcname))); | |
| 864 } | |
| 865 | |
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866 DEFUN ("fc-init-load-config", Ffc_init_load_config, 0, 0, 0, /* |
| 3931 | 867 -- Function: FcConfig *FcInitLoadConfig (void) |
| 868 Loads the default configuration file and returns the resulting | |
| 869 configuration. Does not load any font information. */ | |
| 870 ()) | |
| 871 { | |
| 872 return fc_config_create_using (&FcInitLoadConfig); | |
| 873 } | |
| 874 | |
|
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875 DEFUN ("fc-init-load-config-and-fonts", Ffc_init_load_config_and_fonts, 0, 0, 0, /* |
| 3931 | 876 -- Function: FcConfig *FcInitLoadConfigAndFonts (void) |
| 877 Loads the default configuration file and builds information about | |
| 878 the available fonts. Returns the resulting configuration. */ | |
| 879 ()) | |
| 880 { | |
| 881 return fc_config_create_using (&FcInitLoadConfigAndFonts); | |
| 882 } | |
| 883 | |
|
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884 DEFUN ("fc-config-get-current", Ffc_config_get_current, 0, 0, 0, /* |
|
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885 -- Function: FcConfig *FcConfigGetCurrent (void) |
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886 Returns the current default configuration. */ |
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887 ()) |
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888 { |
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889 return fc_config_create_using (&FcConfigGetCurrent); |
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890 } |
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891 |
|
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892 /* Pattern manipulation functions. */ |
|
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|
893 |
|
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894 DEFUN ("fc-default-substitute", Ffc_default_substitute, 1, 1, 0, /* |
|
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895 Adds defaults for certain attributes if not specified in PATTERN. |
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896 FcPattern PATTERN is modified in-place, and nil is returned. |
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897 * Patterns without a specified style or weight are set to Medium |
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898 * Patterns without a specified style or slant are set to Roman |
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899 * Patterns without a specified pixel size are given one computed from any |
|
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|
900 specified point size (default 12), dpi (default 75) and scale (default 1). */ |
|
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901 (pattern)) |
|
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|
902 { |
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903 CHECK_FC_PATTERN (pattern); |
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904 FcDefaultSubstitute (XFC_PATTERN_PTR (pattern)); |
|
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905 return Qnil; |
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906 } |
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|
907 |
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|
908 /* -- Function: FcBool FcConfigSubstituteWithPat (FcConfig *config, |
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909 FcPattern *p, FcPattern *p_pat FcMatchKind kind) |
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910 OMITTED: use optional arguments in `fc-config-substitute'. */ |
|
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|
911 |
|
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912 DEFUN ("fc-config-substitute", Ffc_config_substitute, 1, 4, 0, /* |
|
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|
913 Modifies PATTERN according to KIND and TESTPAT using operations from CONFIG. |
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|
914 PATTERN is modified in-place. Returns an undocumented Boolean value. |
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915 If optional KIND is `fc-match-pattern', then those tagged as pattern operations |
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|
916 are applied, else if KIND is `fc-match-font', those tagged as font operations |
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|
917 are applied and TESTPAT is used for <test> elements with target=pattern. KIND |
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|
918 defaults to `fc-match-font'. |
|
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|
919 If optional TESTPAT is nil, it is ignored. Otherwise it must be an FcPattern. |
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|
920 Optional CONFIG must be an FcConfig, defaulting to the current one. |
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|
921 |
|
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|
922 Note that this function actually corresponds to FcConfigSubstituteWithPat, and |
|
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|
923 the argument order is changed to take advantage of Lisp optional arguments. */ |
|
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|
924 (pattern, kind, testpat, config)) |
|
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|
925 { |
|
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|
926 FcMatchKind knd; |
|
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|
927 |
|
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|
928 /* There ought to be a standard idiom for this.... */ |
|
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|
929 if (NILP (kind) |
| 4860 | 930 || EQ (kind, Qfc_match_font)) |
|
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|
931 knd = FcMatchFont; |
| 4860 | 932 else if (EQ (kind, Qfc_match_pattern)) |
|
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|
933 knd = FcMatchPattern; |
| 4860 | 934 else |
| 935 wtaerror ("need `fc-match-pattern' or `fc-match-font'", kind); | |
|
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|
936 |
|
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|
937 /* Typecheck arguments */ |
|
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938 CHECK_FC_PATTERN (pattern); |
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939 if (!NILP (testpat)) CHECK_FC_PATTERN (testpat); |
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940 if (!NILP (config)) CHECK_FC_CONFIG (config); |
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941 |
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942 return (FcConfigSubstituteWithPat |
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943 (NILP (config) ? FcConfigGetCurrent () : XFC_CONFIG_PTR (config), |
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944 XFC_PATTERN_PTR (pattern), |
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945 NILP (testpat) ? NULL : XFC_PATTERN_PTR (testpat), |
|
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946 knd) == FcTrue) |
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947 ? Qt : Qnil; |
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|
948 } |
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|
949 |
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950 /* Pattern matching functions. */ |
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951 |
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952 /* The following functions return fonts that match a certain pattern. |
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953 `FcFontRenderPrepare' and `FcFontMatch' always return a single best |
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|
954 match. `FcFontList' returns the list of fonts that match a given |
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|
955 pattern on a certain set of properties. `FcFontSort' returns the |
|
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956 entire list of fonts, sorted in order of match quality, possibly |
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957 filtering out fonts that do not provide additional characters beyond |
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958 those provided by preferred fonts. */ |
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|
959 |
|
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960 DEFUN ("fc-font-render-prepare", Ffc_font_render_prepare, 2, 3, 0, /* |
|
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961 Return a new pattern blending PATTERN and FONT. |
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962 Optional CONFIG is an FcConfig, defaulting to the current one. |
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963 The returned pattern consists of elements of FONT not appearing in PATTERN, |
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964 elements of PATTERN not appearing in FONT, and the best matching value from |
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|
965 PATTERN for elements appearing in both. The result is passed to |
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966 FcConfigSubstitute with 'kind' FcMatchFont and then returned. */ |
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967 (pattern, font, config)) |
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|
968 { |
|
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969 if (NILP (config)) { |
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|
970 config = Ffc_config_get_current (); |
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971 } |
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972 CHECK_FC_PATTERN (pattern); |
|
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973 CHECK_FC_PATTERN (font); |
|
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|
974 CHECK_FC_CONFIG (config); |
|
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|
975 |
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|
976 /* I don't think this can fail? */ |
|
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977 return wrap_fc_pattern (FcFontRenderPrepare (XFC_CONFIG_PTR (config), |
|
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|
978 XFC_PATTERN_PTR (font), |
|
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|
979 XFC_PATTERN_PTR (pattern))); |
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980 } |
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|
981 |
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|
982 DEFUN ("fc-font-match", Ffc_font_match, 2, 3, 0, /* |
|
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983 Return the font on DEVICE that most closely matches PATTERN. |
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984 |
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985 DEVICE is an X11 device. |
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986 PATTERN is a fontconfig pattern object. |
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987 Optional CONFIG is an FcConfig, defaulting to the current one. |
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988 Returns a fontconfig pattern object representing the closest match to the |
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989 given pattern, or an error code. Possible error codes are |
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990 `fc-result-no-match' and `fc-result-no-id'. |
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991 PATTERN is massaged with FcConfigSubstitute and FcDefaultSubstitute before |
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|
992 being processed by FcFontMatch. */ |
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|
993 (device, pattern, config)) |
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|
994 { |
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995 FcResult res; |
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|
996 struct fc_pattern *res_fcpat; |
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997 FcPattern *p; |
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|
998 FcConfig *fcc; |
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|
999 |
|
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|
1000 CHECK_FC_PATTERN (pattern); |
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1001 if (NILP (device)) |
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1002 return Qnil; |
|
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|
1003 CHECK_X_DEVICE (device); |
|
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1004 if (!DEVICE_LIVE_P (XDEVICE (device))) |
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1005 return Qnil; |
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1006 if (!NILP (config)) |
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1007 CHECK_FC_CONFIG (config); |
|
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1008 |
|
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1009 res_fcpat = XFC_PATTERN (ALLOC_NORMAL_LISP_OBJECT (fc_pattern)); |
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|
1010 p = XFC_PATTERN_PTR (pattern); |
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1011 fcc = NILP (config) ? FcConfigGetCurrent () : XFC_CONFIG_PTR (config); |
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1012 |
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|
1013 FcConfigSubstitute (fcc, p, FcMatchPattern); |
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|
1014 FcDefaultSubstitute (p); |
|
4809
0d3ccd5a2509
Initialize the result variable passed to FcFontMatch. See xemacs-patches
Jerry James <james@xemacs.org>
parents:
4799
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|
1015 res = FcResultMatch; |
|
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1016 res_fcpat->fcpatPtr = FcFontMatch (fcc, p, &res); |
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1017 |
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1018 if (res_fcpat->fcpatPtr == NULL) |
|
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|
1019 switch (res) |
|
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|
1020 { |
|
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|
1021 case FcResultNoMatch: |
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1022 return Qfc_result_no_match; |
|
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|
1023 case FcResultNoId: |
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1024 return Qfc_result_no_id; |
|
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|
1025 default: |
|
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|
1026 return Qfc_internal_error; |
|
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|
1027 } |
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1028 else |
|
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1029 return wrap_fc_pattern (res_fcpat); |
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1030 } |
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1031 |
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1032 /* #### fix this name to correspond to Ben's new nomenclature */ |
|
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|
1033 DEFUN ("fc-list-fonts-pattern-objects", Ffc_list_fonts_pattern_objects, |
|
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1034 3, 3, 0, /* |
|
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1035 Return a list of fonts on DEVICE that match PATTERN for PROPERTIES. |
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1036 Each font is represented by a fontconfig pattern object. |
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|
1037 |
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|
1038 DEVICE is an X11 device. |
|
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|
1039 PATTERN is a fontconfig pattern to be matched. |
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|
1040 PROPERTIES is a list of property names (strings) that should match. |
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|
1041 |
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|
1042 #### DEVICE is unused, ignored, and may be removed if it's not needed to |
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|
1043 match other font-listing APIs. */ |
|
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1044 (UNUSED (device), pattern, properties)) |
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1045 { |
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1046 FcObjectSet *os; |
|
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1047 FcFontSet *fontset; |
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1048 |
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1049 CHECK_FC_PATTERN (pattern); |
|
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|
1050 CHECK_LIST (properties); |
|
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1051 |
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|
1052 os = FcObjectSetCreate (); |
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|
1053 string_list_to_fcobjectset (properties, os); |
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1054 /* #### why don't we need to do the "usual substitutions"? */ |
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1055 fontset = FcFontList (NULL, XFC_PATTERN_PTR (pattern), os); |
|
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1056 FcObjectSetDestroy (os); |
|
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|
1057 |
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|
1058 return fontset_to_list (fontset, DestroyYes); |
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|
1059 |
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|
1060 } |
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|
1061 |
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|
1062 /* #### maybe this can/should be folded into fc-list-fonts-pattern-objects? */ |
|
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1063 DEFUN ("fc-font-sort", Ffc_font_sort, 2, 4, 0, /* |
|
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1064 Return a list of all fonts sorted by proximity to PATTERN. |
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1065 Each font is represented by a fontconfig pattern object. |
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|
1066 |
|
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1067 DEVICE is an X11 device. |
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1068 PATTERN is a fontconfig pattern to be matched. |
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1069 Optional argument TRIM, if non-nil, means to trim trailing fonts that do not |
|
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|
1070 contribute new characters to the union repertoire. |
|
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|
1071 |
|
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|
1072 #### Optional argument NOSUB, if non-nil, suppresses some of the usual |
|
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|
1073 property substitutions. DON'T USE THIS in production code, it is intended |
|
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|
1074 for exploring behavior of fontconfig and will be removed when this code is |
|
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|
1075 stable. |
|
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|
1076 |
|
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|
1077 #### DEVICE is unused, ignored, and may be removed if it's not needed to |
|
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|
1078 match other font-listing APIs. */ |
|
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|
1079 (UNUSED (device), pattern, trim, nosub)) |
|
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1080 { |
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1081 CHECK_FC_PATTERN (pattern); |
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1082 |
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1083 { |
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1084 FcConfig *fcc = FcConfigGetCurrent(); |
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1085 FcFontSet *fontset; |
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1086 FcPattern *p = XFC_PATTERN_PTR (pattern); |
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1087 FcResult fcresult; |
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1088 |
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1089 if (NILP (nosub)) /* #### temporary debug hack */ |
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1090 FcDefaultSubstitute (p); |
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1091 FcConfigSubstitute (fcc, p, FcMatchPattern); |
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1092 fontset = FcFontSort (fcc, p, !NILP (trim), NULL, &fcresult); |
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1093 |
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1094 return fontset_to_list (fontset, DestroyYes); |
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1095 } |
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1096 } |
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1097 |
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1098 #ifdef FONTCONFIG_EXPOSE_CONFIG |
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1099 |
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1100 /* Configuration routines --- for debugging |
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1101 Don't depend on these routines being available in the future! |
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1102 |
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1103 3.2.10 Initialization |
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1104 --------------------- |
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1105 |
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1106 An FcConfig object holds the internal representation of a configuration. |
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1107 There is a default configuration which applications may use by passing |
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1108 0 to any function using the data within an FcConfig. |
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1109 */ |
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1110 |
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1111 static void |
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1112 finalize_fc_config (Lisp_Object obj) |
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1113 { |
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1114 struct fc_config *p = XFC_CONFIG (obj); |
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1115 if (p->fccfgPtr && p->fccfgPtr != FcConfigGetCurrent()) |
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1116 { |
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1117 /* If we get here, all of *our* references are garbage (see comment on |
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1118 fc_config_create_using() for why), and the only reference that |
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1119 fontconfig keeps is the current FcConfig. */ |
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1120 FcConfigDestroy (p->fccfgPtr); |
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1121 } |
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1122 p->fccfgPtr = 0; |
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1123 } |
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1124 |
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1125 static const struct memory_description fcconfig_description [] = { |
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1126 /* #### nothing here, is this right?? */ |
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1127 { XD_END } |
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1128 }; |
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1129 |
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1130 DEFINE_NODUMP_LISP_OBJECT ("fc-config", fc_config, |
|
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1131 0, external_object_printer, finalize_fc_config, |
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1132 0, 0, fcconfig_description, |
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1133 struct fc_config); |
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1134 |
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1135 DEFUN ("fc-init", Ffc_init, 0, 0, 0, /* |
| 3931 | 1136 -- Function: FcBool FcInit (void) |
| 1137 Loads the default configuration file and the fonts referenced | |
| 1138 therein and sets the default configuration to that result. | |
| 1139 Returns whether this process succeeded or not. If the default | |
| 1140 configuration has already been loaded, this routine does nothing | |
| 1141 and returns FcTrue. */ | |
| 1142 ()) | |
| 1143 { | |
| 1144 return (FcInit () == FcTrue) ? Qt : Qnil; | |
| 1145 } | |
| 1146 | |
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1147 DEFUN ("fc-get-version", Ffc_get_version, 0, 0, 0, /* |
| 3931 | 1148 -- Function: int FcGetVersion (void) |
| 1149 Returns the version number of the library. | |
| 3935 | 1150 XEmacs: No, this should NOT return a pretty string. |
| 3931 | 1151 (let ((i (fc-get-version))) |
| 1152 (format "%d.%d.%d" (/ i 10000) (mod (/ i 100) 100) (mod i 100))) | |
| 3935 | 1153 gives the usual x.y.z format. This is the version of the .so. It can be |
| 1154 checked against `fc-version', which is the version of fontconfig.h. | |
| 1155 It's probably not a disaster if `(> (fc-get-version) fc-version)'. */ | |
| 3931 | 1156 ()) |
| 1157 { | |
|
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1158 return make_fixnum (FcGetVersion ()); |
| 3931 | 1159 } |
| 1160 | |
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1161 DEFUN ("fc-init-reinitialize", Ffc_init_reinitialize, 0, 0, 0, /* |
| 3931 | 1162 -- Function: FcBool FcInitReinitialize (void) |
| 1163 Forces the default configuration file to be reloaded and resets | |
| 1164 the default configuration. */ | |
| 1165 ()) | |
| 1166 { | |
| 1167 return (FcInitReinitialize () == FcTrue) ? Qt : Qnil; | |
| 1168 } | |
| 1169 | |
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1170 DEFUN ("fc-init-bring-up-to-date", Ffc_init_bring_up_to_date, 0, 0, 0, /* |
| 3931 | 1171 -- Function: FcBool FcInitBringUptoDate (void) |
| 1172 Checks the rescan interval in the default configuration, checking | |
| 1173 the configuration if the interval has passed and reloading the | |
| 1174 configuration when any changes are detected. */ | |
| 1175 ()) | |
| 1176 { | |
| 1177 return (FcInitBringUptoDate () == FcTrue) ? Qt : Qnil; | |
| 1178 } | |
| 1179 | |
| 1180 #endif /* FONTCONFIG_EXPOSE_CONFIG */ | |
| 1181 | |
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1182 DEFUN ("xlfd-font-name-p", Fxlfd_font_name_p, 1, 1, 0, /* |
| 3354 | 1183 Check whether the string FONTNAME is a XLFD font name. */ |
| 1184 (fontname)) | |
| 1185 { | |
|
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1186 CHECK_STRING (fontname); |
| 3354 | 1187 /* #### should bind `case-fold-search' here? */ |
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1188 return Fstring_match (Vxlfd_font_name_regexp, fontname, Qnil, Qnil); |
| 3354 | 1189 } |
| 1190 | |
| 1191 /* FcPatternPrint: there is no point in having wrappers fc-pattern-print, | |
| 1192 Ffc_pattern_print since this function prints to stdout. */ | |
| 1193 | |
| 1194 /* Initialization of font-mgr */ | |
| 1195 | |
| 1196 #define XE_XLFD_SEPARATOR "-" | |
| 1197 /* XLFD specifies ISO 8859-1 encoding, but we can't handle non-ASCII | |
| 1198 in Mule when this function is called. So use HPC. */ | |
| 1199 #if 0 | |
| 1200 #define XE_XLFD_PREFIX "\\(\\+[\040-\176\240-\377]*\\)?-" | |
| 1201 #define XE_XLFD_OPT_TEXT "\\([\040-\044\046-\176\240-\377]*\\)" | |
| 1202 #define XE_XLFD_TEXT "\\([\040-\044\046-\176\240-\377]+\\)" | |
| 1203 #else | |
| 1204 #define XE_XLFD_PREFIX "\\(\\+[\040-\176]*\\)?-" | |
| 1205 #define XE_XLFD_OPT_TEXT "\\([^-]*\\)" | |
| 1206 #define XE_XLFD_TEXT "\\([^-]+\\)" | |
| 1207 #endif | |
| 1208 | |
| 1209 #define XE_XLFD_SLANT "\\([0-9ior?*][iot]?\\)" | |
| 1210 #define XE_XLFD_SPACING "\\([cmp?*]\\)" | |
| 1211 /* Hyphen as minus conflicts with use as separator. */ | |
| 1212 #define XE_XLFD_OPT_NEGATE "~?" | |
| 1213 #define XE_XLFD_NUMBER "\\([0-9?*]+\\)" | |
| 1214 #define XE_XLFD_PSIZE "\\([0-9?*]+\\|\\[[ 0-9+~.e?*]+\\]\\)" | |
| 1215 | |
| 1216 /* Call this only from the init code | |
| 1217 #### This is really horrible, let's get rid of it, please. */ | |
| 1218 static Lisp_Object | |
| 1219 make_xlfd_font_regexp (void) | |
| 1220 { | |
| 1221 struct gcpro gcpro1; | |
| 1222 unsigned i; | |
| 1223 Lisp_Object reg = Qnil; | |
| 1224 const Extbyte *re[] = /* #### This could just be catenated by | |
|
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1225 cpp and passed to build_extstring. */ |
| 3354 | 1226 { |
| 1227 /* Regular expression matching XLFDs as defined by XLFD v. 1.5. | |
| 1228 Matches must be case-insensitive. | |
| 1229 PSIZE is a pixel or point size, which may be a "matrix". The | |
| 1230 syntax of a matrix is not checked, just some lexical properties. | |
| 1231 AFAICT none of the TEXT fields except adstyle is optional. | |
| 1232 | |
| 1233 NB. It should not be a problem if this matches "too much", since | |
| 1234 an "old" server will simply not be able to find a matching font. */ | |
| 1235 "\\`", | |
| 1236 XE_XLFD_PREFIX, /* prefix */ | |
| 1237 XE_XLFD_TEXT, /* foundry */ | |
| 1238 XE_XLFD_SEPARATOR, | |
| 1239 XE_XLFD_TEXT, /* family */ | |
| 1240 XE_XLFD_SEPARATOR, | |
| 1241 XE_XLFD_TEXT, /* weight */ | |
| 1242 XE_XLFD_SEPARATOR, | |
| 1243 XE_XLFD_SLANT, /* slant */ | |
| 1244 XE_XLFD_SEPARATOR, | |
| 1245 XE_XLFD_TEXT, /* swidth */ | |
| 1246 XE_XLFD_SEPARATOR, | |
| 1247 XE_XLFD_OPT_TEXT, /* adstyle */ | |
| 1248 XE_XLFD_SEPARATOR, | |
| 1249 XE_XLFD_PSIZE, /* pixelsize */ | |
| 1250 XE_XLFD_SEPARATOR, | |
| 1251 XE_XLFD_PSIZE, /* pointsize */ | |
| 1252 XE_XLFD_SEPARATOR, | |
| 1253 XE_XLFD_NUMBER, /* resx */ | |
| 1254 XE_XLFD_SEPARATOR, | |
| 1255 XE_XLFD_NUMBER, /* resy */ | |
| 1256 XE_XLFD_SEPARATOR, | |
| 1257 XE_XLFD_SPACING, /* spacing */ | |
| 1258 XE_XLFD_SEPARATOR, | |
| 1259 XE_XLFD_OPT_NEGATE, /* avgwidth */ | |
| 1260 XE_XLFD_NUMBER, | |
| 1261 XE_XLFD_SEPARATOR, | |
| 1262 XE_XLFD_TEXT, /* registry */ | |
| 1263 XE_XLFD_SEPARATOR, | |
| 1264 XE_XLFD_TEXT, /* encoding */ | |
| 1265 "\\'" | |
| 1266 }; | |
| 1267 | |
| 1268 GCPRO1 (reg); | |
|
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1269 for (i = 0; i < sizeof (re)/sizeof (Extbyte *); i++) |
| 3354 | 1270 { |
| 1271 /* #### Currently this is Host Portable Coding, not ISO 8859-1. */ | |
|
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1272 reg = concat2 (reg, build_extstring (re[i], Qx_font_name_encoding)); |
| 3354 | 1273 } |
| 1274 | |
| 1275 RETURN_UNGCPRO (reg); | |
| 1276 } | |
| 1277 #undef XE_XLFD_SEPARATOR | |
| 1278 #undef XE_XLFD_PREFIX | |
| 1279 #undef XE_XLFD_OPT_TEXT | |
| 1280 #undef XE_XLFD_TEXT | |
| 1281 #undef XE_XLFD_OPT_SLANT | |
| 1282 #undef XE_XLFD_OPT_SPACING | |
| 1283 #undef XE_XLFD_OPT_NEGATE | |
| 1284 #undef XE_XLFD_NUMBER | |
| 1285 #undef XE_XLFD_PSIZE | |
| 1286 | |
| 1287 #define MINL(x,y) ((((unsigned long) (x)) < ((unsigned long) (y))) \ | |
| 1288 ? ((unsigned long) (x)) : ((unsigned long) (y))) | |
| 1289 | |
| 1290 static void | |
| 1291 string_list_to_fcobjectset (Lisp_Object list, FcObjectSet *os) | |
| 1292 { | |
| 1293 EXTERNAL_LIST_LOOP_2 (elt, list) | |
| 1294 { | |
| 3469 | 1295 const Extbyte *s; |
| 3354 | 1296 |
| 1297 CHECK_STRING (elt); | |
| 1298 s = fc_intern (elt); | |
| 1299 FcObjectSetAdd (os, s); | |
| 1300 } | |
| 1301 } | |
| 1302 | |
| 1303 void | |
|
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1304 syms_of_font_mgr (void) |
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1305 { |
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1306 INIT_LISP_OBJECT (fc_pattern); |
| 3354 | 1307 |
|
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1308 DEFSYMBOL_MULTIWORD_PREDICATE (Qfc_patternp); |
| 3354 | 1309 |
|
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1310 DEFSYMBOL (Qfc_result_type_mismatch); |
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1311 DEFSYMBOL (Qfc_result_no_match); |
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1312 DEFSYMBOL (Qfc_result_no_id); |
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1313 DEFSYMBOL (Qfc_internal_error); |
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1314 DEFSYMBOL (Qfc_match_pattern); |
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1315 DEFSYMBOL (Qfc_match_font); |
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1316 DEFSYMBOL (Qfont_mgr); |
| 3354 | 1317 |
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1318 DEFSUBR (Ffc_pattern_p); |
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1319 DEFSUBR (Ffc_pattern_create); |
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1320 DEFSUBR (Ffc_name_parse); |
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1321 DEFSUBR (Ffc_name_unparse); |
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1322 DEFSUBR (Ffc_pattern_duplicate); |
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1323 DEFSUBR (Ffc_pattern_add); |
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1324 DEFSUBR (Ffc_pattern_del); |
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1325 DEFSUBR (Ffc_pattern_get); |
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1326 DEFSUBR (Ffc_list_fonts_pattern_objects); |
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1327 DEFSUBR (Ffc_font_sort); |
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1328 DEFSUBR (Ffc_font_match); |
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1329 DEFSUBR (Ffc_default_substitute); |
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1330 DEFSUBR (Ffc_config_substitute); |
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1331 DEFSUBR (Ffc_font_render_prepare); |
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1332 DEFSUBR (Fxlfd_font_name_p); |
| 3931 | 1333 |
| 1334 #ifdef FONTCONFIG_EXPOSE_CONFIG | |
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1335 INIT_LISP_OBJECT (fc_config); |
| 3931 | 1336 |
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1337 DEFSYMBOL_MULTIWORD_PREDICATE (Qfc_configp); |
| 3931 | 1338 |
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1339 DEFSUBR (Ffc_config_p); |
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1340 DEFSUBR (Ffc_config_create); |
| 3931 | 1341 #if 0 |
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1342 DEFSUBR (Ffc_config_destroy); |
| 3931 | 1343 #endif |
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1344 DEFSUBR (Ffc_config_set_current); |
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1345 DEFSUBR (Ffc_config_get_current); |
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1346 DEFSUBR (Ffc_config_up_to_date); |
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1347 DEFSUBR (Ffc_config_build_fonts); |
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1348 DEFSUBR (Ffc_config_get_config_dirs); |
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1349 DEFSUBR (Ffc_config_get_font_dirs); |
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1350 DEFSUBR (Ffc_config_get_config_files); |
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1351 DEFSUBR (Ffc_config_get_cache); |
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1352 DEFSUBR (Ffc_config_get_fonts); |
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1353 DEFSUBR (Ffc_config_get_blanks); |
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1354 DEFSUBR (Ffc_config_get_rescan_interval); |
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1355 DEFSUBR (Ffc_config_set_rescan_interval); |
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1356 DEFSUBR (Ffc_config_app_font_add_file); |
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1357 DEFSUBR (Ffc_config_app_font_add_dir); |
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1358 DEFSUBR (Ffc_config_app_font_clear); |
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1359 DEFSUBR (Ffc_config_filename); |
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1360 DEFSUBR (Ffc_init_load_config); |
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1361 DEFSUBR (Ffc_init_load_config_and_fonts); |
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1362 DEFSUBR (Ffc_init); |
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1363 DEFSUBR (Ffc_get_version); |
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1364 DEFSUBR (Ffc_init_reinitialize); |
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1365 DEFSUBR (Ffc_init_bring_up_to_date); |
| 3931 | 1366 #endif /* FONTCONFIG_EXPOSE_CONFIG */ |
| 3354 | 1367 } |
| 1368 | |
| 1369 void | |
| 1370 vars_of_font_mgr (void) | |
| 1371 { | |
| 3935 | 1372 /* #### The next two DEFVARs belong somewhere else. */ |
| 3354 | 1373 |
| 1374 /* #### I know, but the right fix is use the generic debug facility. */ | |
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1375 DEFVAR_INT ("debug-xft", &debug_xft /* |
| 3354 | 1376 Level of debugging messages to issue to stderr for Xft. |
| 1377 A nonnegative integer. Set to 0 to suppress all warnings. | |
| 1378 Default is 1 to ensure a minimum of debugging output at initialization. | |
| 1379 Higher levels give even more information. | |
| 1380 */ ); | |
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1381 debug_xft = 0; |
| 3354 | 1382 |
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1383 DEFVAR_CONST_INT ("xft-version", &xft_version /* |
| 3354 | 1384 The major version number of the Xft library being used. |
| 1385 */ ); | |
| 3935 | 1386 xft_version = XFT_VERSION; |
| 1387 | |
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1388 DEFVAR_CONST_INT ("fc-version", &fc_version /* |
| 3935 | 1389 The version number of fontconfig.h. It can be checked against |
| 1390 `(fc-get-version)', which is the version of the .so. | |
| 1391 It's probably not a disaster if `(> (fc-get-version) fc-version)'. | |
| 1392 */ ); | |
| 1393 fc_version = FC_VERSION; | |
| 3354 | 1394 |
| 3360 | 1395 Fprovide (intern ("font-mgr")); |
| 3354 | 1396 } |
| 1397 | |
| 1398 void | |
| 1399 complex_vars_of_font_mgr (void) | |
| 1400 { | |
| 3931 | 1401 #ifdef FONTCONFIG_EXPOSE_CONFIG |
| 1402 Vfc_config_weak_list = make_weak_list (WEAK_LIST_SIMPLE); | |
| 1403 staticpro (&Vfc_config_weak_list); | |
| 1404 #endif | |
| 1405 | |
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1406 DEFVAR_LISP ("xft-xlfd-font-regexp", &Vxlfd_font_name_regexp /* |
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1407 The regular expression used to match XLFD font names. |
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1408 */ ); |
| 3354 | 1409 Vxlfd_font_name_regexp = make_xlfd_font_regexp(); |
| 1410 } | |
| 1411 | |
| 1412 void | |
| 1413 reinit_vars_of_font_mgr (void) | |
| 1414 { | |
| 1415 int i, size = (int) countof (fc_standard_properties); | |
| 1416 | |
| 1417 FcInit (); | |
| 1418 | |
| 1419 fc_property_name_hash_table = make_string_hash_table (size); | |
| 1420 for (i = 0; i < size; ++i) | |
| 1421 puthash (fc_standard_properties[i], NULL, fc_property_name_hash_table); | |
| 1422 } | |
| 1423 |