Commit | Line | Data |
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c2f5bfd6 | 1 | /* font.c -- "Font" primitives. |
7ecf3dcb GM |
2 | Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc. |
3 | Copyright (C) 2006, 2007, 2008 | |
c2f5bfd6 KH |
4 | National Institute of Advanced Industrial Science and Technology (AIST) |
5 | Registration Number H13PRO009 | |
6 | ||
7 | This file is part of GNU Emacs. | |
8 | ||
9ec0b715 | 9 | GNU Emacs is free software: you can redistribute it and/or modify |
c2f5bfd6 | 10 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
11 | the Free Software Foundation, either version 3 of the License, or |
12 | (at your option) any later version. | |
c2f5bfd6 KH |
13 | |
14 | GNU Emacs is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 20 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
c2f5bfd6 KH |
21 | |
22 | #include <config.h> | |
23 | #include <stdio.h> | |
24 | #include <stdlib.h> | |
25 | #include <ctype.h> | |
1701724c KH |
26 | #ifdef HAVE_M17N_FLT |
27 | #include <m17n-flt.h> | |
28 | #endif | |
c2f5bfd6 KH |
29 | |
30 | #include "lisp.h" | |
31 | #include "buffer.h" | |
32 | #include "frame.h" | |
10d16101 | 33 | #include "window.h" |
c2f5bfd6 KH |
34 | #include "dispextern.h" |
35 | #include "charset.h" | |
36 | #include "character.h" | |
37 | #include "composite.h" | |
38 | #include "fontset.h" | |
39 | #include "font.h" | |
40 | ||
43c0454d KH |
41 | #ifdef HAVE_X_WINDOWS |
42 | #include "xterm.h" | |
43 | #endif /* HAVE_X_WINDOWS */ | |
44 | ||
45 | #ifdef HAVE_NTGUI | |
46 | #include "w32term.h" | |
47 | #endif /* HAVE_NTGUI */ | |
48 | ||
49 | #ifdef MAC_OS | |
50 | #include "macterm.h" | |
51 | #endif /* MAC_OS */ | |
52 | ||
35027d0c | 53 | Lisp_Object Qfont_spec, Qfont_entity, Qfont_object; |
c2f5bfd6 | 54 | |
e0708580 KH |
55 | Lisp_Object Qopentype; |
56 | ||
35027d0c | 57 | /* Important character set strings. */ |
cf96c5c2 | 58 | Lisp_Object Qiso8859_1, Qiso10646_1, Qunicode_bmp, Qunicode_sip; |
1bb1d99b | 59 | |
c2f5bfd6 KH |
60 | /* Special vector of zero length. This is repeatedly used by (struct |
61 | font_driver *)->list when a specified font is not found. */ | |
35027d0c | 62 | static Lisp_Object null_vector; |
c2f5bfd6 | 63 | |
d0ab1ebe KH |
64 | static Lisp_Object Vfont_weight_table, Vfont_slant_table, Vfont_width_table; |
65 | ||
66 | /* Vector of Vfont_weight_table, Vfont_slant_table, and Vfont_width_table. */ | |
c2f5bfd6 KH |
67 | static Lisp_Object font_style_table; |
68 | ||
d0ab1ebe KH |
69 | /* Structure used for tables mapping weight, slant, and width numeric |
70 | values and their names. */ | |
71 | ||
72 | struct table_entry | |
73 | { | |
74 | int numeric; | |
75 | /* The first one is a valid name as a face attribute. | |
76 | The second one (if any) is a typical name in XLFD field. */ | |
77 | char *names[5]; | |
78 | Lisp_Object *symbols; | |
79 | }; | |
80 | ||
81 | /* Table of weight numeric values and their names. This table must be | |
82 | sorted by numeric values in ascending order. */ | |
83 | ||
84 | static struct table_entry weight_table[] = | |
85 | { | |
86 | { 0, { "thin" }}, | |
87 | { 20, { "ultra-light", "ultralight" }}, | |
88 | { 40, { "extra-light", "extralight" }}, | |
89 | { 50, { "light" }}, | |
90 | { 75, { "semi-light", "semilight", "demilight", "book" }}, | |
91 | { 100, { "normal", "medium", "regular" }}, | |
92 | { 180, { "semi-bold", "semibold", "demibold", "demi" }}, | |
93 | { 200, { "bold" }}, | |
94 | { 205, { "extra-bold", "extrabold" }}, | |
95 | { 210, { "ultra-bold", "ultrabold", "black" }} | |
96 | }; | |
97 | ||
98 | /* Table of slant numeric values and their names. This table must be | |
99 | sorted by numeric values in ascending order. */ | |
100 | ||
101 | static struct table_entry slant_table[] = | |
102 | { | |
103 | { 0, { "reverse-oblique", "ro" }}, | |
104 | { 10, { "reverse-italic", "ri" }}, | |
105 | { 100, { "normal", "r" }}, | |
106 | { 200, { "italic" ,"i", "ot" }}, | |
107 | { 210, { "oblique", "o" }} | |
108 | }; | |
109 | ||
110 | /* Table of width numeric values and their names. This table must be | |
111 | sorted by numeric values in ascending order. */ | |
112 | ||
113 | static struct table_entry width_table[] = | |
114 | { | |
115 | { 50, { "ultra-condensed", "ultracondensed" }}, | |
116 | { 63, { "extra-condensed", "extracondensed" }}, | |
117 | { 75, { "condensed", "compressed", "narrow" }}, | |
118 | { 87, { "semi-condensed", "semicondensed", "demicondensed" }}, | |
119 | { 100, { "normal", "medium", "regular" }}, | |
120 | { 113, { "semi-expanded", "semiexpanded", "demiexpanded" }}, | |
121 | { 125, { "expanded" }}, | |
122 | { 150, { "extra-expanded", "extraexpanded" }}, | |
123 | { 200, { "ultra-expanded", "ultraexpanded", "wide" }} | |
124 | }; | |
125 | ||
35027d0c | 126 | extern Lisp_Object Qnormal; |
c2f5bfd6 KH |
127 | |
128 | /* Symbols representing keys of normal font properties. */ | |
129 | extern Lisp_Object QCtype, QCfamily, QCweight, QCslant, QCwidth, QCsize, QCname; | |
35027d0c | 130 | Lisp_Object QCfoundry, QCadstyle, QCregistry; |
c2f5bfd6 | 131 | /* Symbols representing keys of font extra info. */ |
35027d0c KH |
132 | Lisp_Object QCspacing, QCdpi, QCscalable, QCotf, QClang, QCscript, QCavgwidth; |
133 | Lisp_Object QCantialias, QCfont_entity, QCfc_unknown_spec; | |
ec6fe57c KH |
134 | /* Symbols representing values of font spacing property. */ |
135 | Lisp_Object Qc, Qm, Qp, Qd; | |
c2f5bfd6 | 136 | |
819e81df KH |
137 | Lisp_Object Vfont_encoding_alist; |
138 | ||
1701724c KH |
139 | /* Alist of font registry symbol and the corresponding charsets |
140 | information. The information is retrieved from | |
141 | Vfont_encoding_alist on demand. | |
142 | ||
143 | Eash element has the form: | |
144 | (REGISTRY . (ENCODING-CHARSET-ID . REPERTORY-CHARSET-ID)) | |
145 | or | |
146 | (REGISTRY . nil) | |
147 | ||
148 | In the former form, ENCODING-CHARSET-ID is an ID of a charset that | |
149 | encodes a character code to a glyph code of a font, and | |
150 | REPERTORY-CHARSET-ID is an ID of a charset that tells if a | |
151 | character is supported by a font. | |
152 | ||
153 | The latter form means that the information for REGISTRY couldn't be | |
154 | retrieved. */ | |
155 | static Lisp_Object font_charset_alist; | |
156 | ||
f697fff0 KH |
157 | /* List of all font drivers. Each font-backend (XXXfont.c) calls |
158 | register_font_driver in syms_of_XXXfont to register its font-driver | |
c2f5bfd6 KH |
159 | here. */ |
160 | static struct font_driver_list *font_driver_list; | |
161 | ||
35027d0c KH |
162 | \f |
163 | ||
164 | /* Creaters of font-related Lisp object. */ | |
165 | ||
166 | Lisp_Object | |
167 | font_make_spec () | |
168 | { | |
169 | Lisp_Object font_spec; | |
170 | struct font_spec *spec | |
171 | = ((struct font_spec *) | |
172 | allocate_pseudovector (VECSIZE (struct font_spec), | |
173 | FONT_SPEC_MAX, PVEC_FONT)); | |
174 | XSETFONT (font_spec, spec); | |
175 | return font_spec; | |
176 | } | |
177 | ||
178 | Lisp_Object | |
179 | font_make_entity () | |
180 | { | |
181 | Lisp_Object font_entity; | |
182 | struct font_entity *entity | |
183 | = ((struct font_entity *) | |
184 | allocate_pseudovector (VECSIZE (struct font_entity), | |
185 | FONT_ENTITY_MAX, PVEC_FONT)); | |
186 | XSETFONT (font_entity, entity); | |
187 | return font_entity; | |
188 | } | |
189 | ||
190 | Lisp_Object | |
191 | font_make_object (size) | |
192 | int size; | |
193 | { | |
194 | Lisp_Object font_object; | |
195 | struct font *font | |
196 | = (struct font *) allocate_pseudovector (size, FONT_OBJECT_MAX, PVEC_FONT); | |
197 | XSETFONT (font_object, font); | |
198 | ||
199 | return font_object; | |
200 | } | |
201 | ||
202 | \f | |
203 | ||
ec6fe57c | 204 | static int font_pixel_size P_ ((FRAME_PTR f, Lisp_Object)); |
c2f5bfd6 | 205 | static Lisp_Object font_open_entity P_ ((FRAME_PTR, Lisp_Object, int)); |
35027d0c KH |
206 | static Lisp_Object font_matching_entity P_ ((FRAME_PTR, Lisp_Object *, |
207 | Lisp_Object)); | |
c2f5bfd6 KH |
208 | |
209 | /* Number of registered font drivers. */ | |
210 | static int num_font_drivers; | |
211 | ||
35027d0c KH |
212 | |
213 | /* Return a Lispy value of a font property value at STR and LEN bytes. | |
214 | If STR is "*", it returns nil. | |
215 | If all characters in STR are digits, it returns an integer. | |
216 | Otherwise, it returns a symbol interned from STR. */ | |
217 | ||
218 | Lisp_Object | |
219 | font_intern_prop (str, len) | |
220 | char *str; | |
221 | int len; | |
222 | { | |
223 | int i; | |
d0ab1ebe | 224 | Lisp_Object tem; |
35027d0c KH |
225 | Lisp_Object obarray; |
226 | ||
227 | if (len == 1 && *str == '*') | |
228 | return Qnil; | |
229 | if (len >=1 && isdigit (*str)) | |
230 | { | |
231 | for (i = 1; i < len; i++) | |
232 | if (! isdigit (str[i])) | |
233 | break; | |
234 | if (i == len) | |
235 | return make_number (atoi (str)); | |
236 | } | |
237 | ||
238 | /* The following code is copied from the function intern (in lread.c). */ | |
239 | obarray = Vobarray; | |
240 | if (!VECTORP (obarray) || XVECTOR (obarray)->size == 0) | |
241 | obarray = check_obarray (obarray); | |
242 | tem = oblookup (obarray, str, len, len); | |
243 | if (SYMBOLP (tem)) | |
244 | return tem; | |
245 | return Fintern (make_unibyte_string (str, len), obarray); | |
246 | } | |
247 | ||
9331887d | 248 | /* Return a pixel size of font-spec SPEC on frame F. */ |
ec6fe57c | 249 | |
9331887d KH |
250 | static int |
251 | font_pixel_size (f, spec) | |
252 | FRAME_PTR f; | |
253 | Lisp_Object spec; | |
254 | { | |
819e81df | 255 | #ifdef HAVE_WINDOW_SYSTEM |
9331887d KH |
256 | Lisp_Object size = AREF (spec, FONT_SIZE_INDEX); |
257 | double point_size; | |
35027d0c | 258 | int dpi, pixel_size; |
d0ab1ebe | 259 | Lisp_Object val; |
51c01100 | 260 | |
9331887d KH |
261 | if (INTEGERP (size)) |
262 | return XINT (size); | |
263 | if (NILP (size)) | |
819e81df | 264 | return 0; |
d0ab1ebe | 265 | font_assert (FLOATP (size)); |
9331887d | 266 | point_size = XFLOAT_DATA (size); |
35027d0c KH |
267 | val = AREF (spec, FONT_DPI_INDEX); |
268 | if (INTEGERP (val)) | |
17e28f6d | 269 | dpi = XINT (val); |
9331887d KH |
270 | else |
271 | dpi = f->resy; | |
272 | pixel_size = POINT_TO_PIXEL (point_size, dpi); | |
273 | return pixel_size; | |
819e81df KH |
274 | #else |
275 | return 1; | |
276 | #endif | |
9331887d KH |
277 | } |
278 | ||
c2f5bfd6 | 279 | |
35027d0c KH |
280 | /* Return a value of PROP's VAL (symbol or integer) to be stored in a |
281 | font vector. If VAL is not valid (i.e. not registered in | |
282 | font_style_table), return -1 if NOERROR is zero, and return a | |
283 | proper index if NOERROR is nonzero. In that case, register VAL in | |
284 | font_style_table if VAL is a symbol, and return a closest index if | |
285 | VAL is an integer. */ | |
c2f5bfd6 | 286 | |
35027d0c KH |
287 | int |
288 | font_style_to_value (prop, val, noerror) | |
c2f5bfd6 | 289 | enum font_property_index prop; |
35027d0c KH |
290 | Lisp_Object val; |
291 | int noerror; | |
c2f5bfd6 | 292 | { |
35027d0c KH |
293 | Lisp_Object table = AREF (font_style_table, prop - FONT_WEIGHT_INDEX); |
294 | int len = ASIZE (table); | |
d0ab1ebe | 295 | int i, j; |
c2f5bfd6 | 296 | |
35027d0c | 297 | if (SYMBOLP (val)) |
c2f5bfd6 | 298 | { |
72606e45 | 299 | unsigned char *s; |
35027d0c KH |
300 | Lisp_Object args[2], elt; |
301 | ||
302 | /* At first try exact match. */ | |
303 | for (i = 0; i < len; i++) | |
d0ab1ebe KH |
304 | for (j = 1; j < ASIZE (AREF (table, i)); j++) |
305 | if (EQ (val, AREF (AREF (table, i), j))) | |
306 | return ((XINT (AREF (AREF (table, i), 0)) << 8) | |
307 | | (i << 4) | (j - 1)); | |
35027d0c | 308 | /* Try also with case-folding match. */ |
72606e45 | 309 | s = SDATA (SYMBOL_NAME (val)); |
35027d0c | 310 | for (i = 0; i < len; i++) |
d0ab1ebe KH |
311 | for (j = 1; j < ASIZE (AREF (table, i)); j++) |
312 | { | |
313 | elt = AREF (AREF (table, i), j); | |
72606e45 | 314 | if (xstrcasecmp (s, SDATA (SYMBOL_NAME (elt))) == 0) |
d0ab1ebe KH |
315 | return ((XINT (AREF (AREF (table, i), 0)) << 8) |
316 | | (i << 4) | (j - 1)); | |
317 | } | |
35027d0c KH |
318 | if (! noerror) |
319 | return -1; | |
320 | if (len == 255) | |
321 | abort (); | |
d0ab1ebe KH |
322 | elt = Fmake_vector (make_number (2), make_number (255)); |
323 | ASET (elt, 1, val); | |
35027d0c | 324 | args[0] = table; |
d0ab1ebe | 325 | args[1] = Fmake_vector (make_number (1), elt); |
35027d0c | 326 | ASET (font_style_table, prop - FONT_WEIGHT_INDEX, Fvconcat (2, args)); |
d0ab1ebe | 327 | return (255 << 8) | (i << 4); |
c2f5bfd6 | 328 | } |
35027d0c KH |
329 | else |
330 | { | |
d0ab1ebe | 331 | int i, last_n; |
35027d0c | 332 | int numeric = XINT (val); |
c2f5bfd6 | 333 | |
d0ab1ebe | 334 | for (i = 0, last_n = -1; i < len; i++) |
35027d0c | 335 | { |
d0ab1ebe | 336 | int n = XINT (AREF (AREF (table, i), 0)); |
c2f5bfd6 | 337 | |
35027d0c | 338 | if (numeric == n) |
d0ab1ebe | 339 | return (n << 8) | (i << 4); |
35027d0c KH |
340 | if (numeric < n) |
341 | { | |
342 | if (! noerror) | |
343 | return -1; | |
d0ab1ebe KH |
344 | return ((i == 0 || n - numeric < numeric - last_n) |
345 | ? (n << 8) | (i << 4): (last_n << 8 | ((i - 1) << 4))); | |
35027d0c | 346 | } |
35027d0c | 347 | last_n = n; |
35027d0c KH |
348 | } |
349 | if (! noerror) | |
350 | return -1; | |
d0ab1ebe | 351 | return ((last_n << 8) | ((i - 1) << 4)); |
35027d0c KH |
352 | } |
353 | } | |
c2f5bfd6 KH |
354 | |
355 | Lisp_Object | |
35027d0c KH |
356 | font_style_symbolic (font, prop, for_face) |
357 | Lisp_Object font; | |
358 | enum font_property_index prop; | |
359 | int for_face; | |
c2f5bfd6 | 360 | { |
35027d0c | 361 | Lisp_Object val = AREF (font, prop); |
d0ab1ebe KH |
362 | Lisp_Object table, elt; |
363 | int i; | |
c2f5bfd6 | 364 | |
35027d0c KH |
365 | if (NILP (val)) |
366 | return Qnil; | |
367 | table = AREF (font_style_table, prop - FONT_WEIGHT_INDEX); | |
d0ab1ebe KH |
368 | i = XINT (val) & 0xFF; |
369 | font_assert (((i >> 4) & 0xF) < ASIZE (table)); | |
370 | elt = AREF (table, ((i >> 4) & 0xF)); | |
371 | font_assert ((i & 0xF) + 1 < ASIZE (elt)); | |
372 | return (for_face ? AREF (elt, 1) : AREF (elt, (i & 0xF) + 1)); | |
c2f5bfd6 KH |
373 | } |
374 | ||
375 | extern Lisp_Object Vface_alternative_font_family_alist; | |
376 | ||
1701724c KH |
377 | extern Lisp_Object find_font_encoding P_ ((Lisp_Object)); |
378 | ||
35027d0c | 379 | |
819e81df KH |
380 | /* Return ENCODING or a cons of ENCODING and REPERTORY of the font |
381 | FONTNAME. ENCODING is a charset symbol that specifies the encoding | |
382 | of the font. REPERTORY is a charset symbol or nil. */ | |
383 | ||
384 | Lisp_Object | |
385 | find_font_encoding (fontname) | |
386 | Lisp_Object fontname; | |
387 | { | |
388 | Lisp_Object tail, elt; | |
389 | ||
390 | for (tail = Vfont_encoding_alist; CONSP (tail); tail = XCDR (tail)) | |
391 | { | |
392 | elt = XCAR (tail); | |
393 | if (CONSP (elt) | |
394 | && STRINGP (XCAR (elt)) | |
395 | && fast_string_match_ignore_case (XCAR (elt), fontname) >= 0 | |
396 | && (SYMBOLP (XCDR (elt)) | |
397 | ? CHARSETP (XCDR (elt)) | |
398 | : CONSP (XCDR (elt)) && CHARSETP (XCAR (XCDR (elt))))) | |
399 | return (XCDR (elt)); | |
400 | } | |
401 | /* We don't know the encoding of this font. Let's assume `ascii'. */ | |
402 | return Qascii; | |
403 | } | |
404 | ||
1701724c KH |
405 | /* Return encoding charset and repertory charset for REGISTRY in |
406 | ENCODING and REPERTORY correspondingly. If correct information for | |
407 | REGISTRY is available, return 0. Otherwise return -1. */ | |
408 | ||
409 | int | |
410 | font_registry_charsets (registry, encoding, repertory) | |
411 | Lisp_Object registry; | |
412 | struct charset **encoding, **repertory; | |
413 | { | |
414 | Lisp_Object val; | |
415 | int encoding_id, repertory_id; | |
416 | ||
35027d0c | 417 | val = Fassoc_string (registry, font_charset_alist, Qt); |
1701724c KH |
418 | if (! NILP (val)) |
419 | { | |
420 | val = XCDR (val); | |
421 | if (NILP (val)) | |
422 | return -1; | |
423 | encoding_id = XINT (XCAR (val)); | |
424 | repertory_id = XINT (XCDR (val)); | |
425 | } | |
426 | else | |
427 | { | |
428 | val = find_font_encoding (SYMBOL_NAME (registry)); | |
429 | if (SYMBOLP (val) && CHARSETP (val)) | |
430 | { | |
431 | encoding_id = repertory_id = XINT (CHARSET_SYMBOL_ID (val)); | |
432 | } | |
433 | else if (CONSP (val)) | |
434 | { | |
435 | if (! CHARSETP (XCAR (val))) | |
436 | goto invalid_entry; | |
437 | encoding_id = XINT (CHARSET_SYMBOL_ID (XCAR (val))); | |
438 | if (NILP (XCDR (val))) | |
439 | repertory_id = -1; | |
440 | else | |
441 | { | |
442 | if (! CHARSETP (XCDR (val))) | |
443 | goto invalid_entry; | |
444 | repertory_id = XINT (CHARSET_SYMBOL_ID (XCDR (val))); | |
445 | } | |
51c01100 | 446 | } |
1701724c KH |
447 | else |
448 | goto invalid_entry; | |
449 | val = Fcons (make_number (encoding_id), make_number (repertory_id)); | |
450 | font_charset_alist | |
451 | = nconc2 (font_charset_alist, Fcons (Fcons (registry, val), Qnil)); | |
452 | } | |
453 | ||
454 | if (encoding) | |
455 | *encoding = CHARSET_FROM_ID (encoding_id); | |
456 | if (repertory) | |
457 | *repertory = repertory_id >= 0 ? CHARSET_FROM_ID (repertory_id) : NULL; | |
458 | return 0; | |
459 | ||
460 | invalid_entry: | |
461 | font_charset_alist | |
462 | = nconc2 (font_charset_alist, Fcons (Fcons (registry, Qnil), Qnil)); | |
463 | return -1; | |
464 | } | |
465 | ||
c2f5bfd6 | 466 | \f |
45eb10fb KH |
467 | /* Font property value validaters. See the comment of |
468 | font_property_table for the meaning of the arguments. */ | |
469 | ||
35027d0c | 470 | static Lisp_Object font_prop_validate P_ ((int, Lisp_Object, Lisp_Object)); |
45eb10fb KH |
471 | static Lisp_Object font_prop_validate_symbol P_ ((Lisp_Object, Lisp_Object)); |
472 | static Lisp_Object font_prop_validate_style P_ ((Lisp_Object, Lisp_Object)); | |
473 | static Lisp_Object font_prop_validate_non_neg P_ ((Lisp_Object, Lisp_Object)); | |
474 | static Lisp_Object font_prop_validate_spacing P_ ((Lisp_Object, Lisp_Object)); | |
35027d0c | 475 | static int get_font_prop_index P_ ((Lisp_Object)); |
c2f5bfd6 KH |
476 | |
477 | static Lisp_Object | |
45eb10fb | 478 | font_prop_validate_symbol (prop, val) |
ec6fe57c | 479 | Lisp_Object prop, val; |
c2f5bfd6 KH |
480 | { |
481 | if (STRINGP (val)) | |
35027d0c KH |
482 | val = Fintern (val, Qnil); |
483 | if (! SYMBOLP (val)) | |
c2f5bfd6 | 484 | val = Qerror; |
35027d0c KH |
485 | else if (EQ (prop, QCregistry)) |
486 | val = Fintern (Fdowncase (SYMBOL_NAME (val)), Qnil); | |
c2f5bfd6 KH |
487 | return val; |
488 | } | |
489 | ||
35027d0c | 490 | |
c2f5bfd6 | 491 | static Lisp_Object |
35027d0c KH |
492 | font_prop_validate_style (style, val) |
493 | Lisp_Object style, val; | |
c2f5bfd6 | 494 | { |
35027d0c KH |
495 | enum font_property_index prop = (EQ (style, QCweight) ? FONT_WEIGHT_INDEX |
496 | : EQ (style, QCslant) ? FONT_SLANT_INDEX | |
497 | : FONT_WIDTH_INDEX); | |
498 | int n; | |
499 | if (INTEGERP (val)) | |
c2f5bfd6 | 500 | { |
35027d0c | 501 | n = XINT (val); |
64b900e3 | 502 | if (((n >> 4) & 0xF) |
35027d0c | 503 | >= ASIZE (AREF (font_style_table, prop - FONT_WEIGHT_INDEX))) |
c2f5bfd6 KH |
504 | val = Qerror; |
505 | else | |
506 | { | |
64b900e3 KH |
507 | Lisp_Object elt = AREF (AREF (font_style_table, prop - FONT_WEIGHT_INDEX), (n >> 4) & 0xF); |
508 | ||
509 | if ((n & 0xF) + 1 >= ASIZE (elt)) | |
510 | val = Qerror; | |
511 | else if (XINT (AREF (elt, 0)) != (n >> 8)) | |
c2f5bfd6 KH |
512 | val = Qerror; |
513 | } | |
514 | } | |
35027d0c KH |
515 | else if (SYMBOLP (val)) |
516 | { | |
517 | int n = font_style_to_value (prop, val, 0); | |
518 | ||
519 | val = n >= 0 ? make_number (n) : Qerror; | |
520 | } | |
521 | else | |
522 | val = Qerror; | |
c2f5bfd6 KH |
523 | return val; |
524 | } | |
525 | ||
526 | static Lisp_Object | |
45eb10fb | 527 | font_prop_validate_non_neg (prop, val) |
ec6fe57c | 528 | Lisp_Object prop, val; |
c2f5bfd6 KH |
529 | { |
530 | return (NATNUMP (val) || (FLOATP (val) && XFLOAT_DATA (val) >= 0) | |
531 | ? val : Qerror); | |
532 | } | |
533 | ||
534 | static Lisp_Object | |
45eb10fb | 535 | font_prop_validate_spacing (prop, val) |
ec6fe57c KH |
536 | Lisp_Object prop, val; |
537 | { | |
538 | if (NILP (val) || (NATNUMP (val) && XINT (val) <= FONT_SPACING_CHARCELL)) | |
539 | return val; | |
3692570f KH |
540 | if (SYMBOLP (val) && SBYTES (SYMBOL_NAME (val)) == 1) |
541 | { | |
542 | char spacing = SDATA (SYMBOL_NAME (val))[0]; | |
543 | ||
544 | if (spacing == 'c' || spacing == 'C') | |
545 | return make_number (FONT_SPACING_CHARCELL); | |
546 | if (spacing == 'm' || spacing == 'M') | |
547 | return make_number (FONT_SPACING_MONO); | |
548 | if (spacing == 'P' || spacing == 'P') | |
549 | return make_number (FONT_SPACING_PROPORTIONAL); | |
550 | if (spacing == 'd' || spacing == 'D') | |
551 | return make_number (FONT_SPACING_DUAL); | |
552 | } | |
ec6fe57c KH |
553 | return Qerror; |
554 | } | |
555 | ||
1701724c KH |
556 | static Lisp_Object |
557 | font_prop_validate_otf (prop, val) | |
558 | Lisp_Object prop, val; | |
559 | { | |
560 | Lisp_Object tail, tmp; | |
561 | int i; | |
562 | ||
563 | /* VAL = (SCRIPT [ LANGSYS [ GSUB-FEATURES [ GPOS-FEATURES ]]]) | |
564 | GSUB-FEATURES = (FEATURE ... [ nil FEATURE ... ]) | nil | |
565 | GPOS-FEATURES = (FEATURE ... [ nil FEATURE ... ]) | nil */ | |
566 | if (! CONSP (val)) | |
567 | return Qerror; | |
568 | if (! SYMBOLP (XCAR (val))) | |
569 | return Qerror; | |
570 | tail = XCDR (val); | |
571 | if (NILP (tail)) | |
572 | return val; | |
573 | if (! CONSP (tail) || ! SYMBOLP (XCAR (val))) | |
574 | return Qerror; | |
575 | for (i = 0; i < 2; i++) | |
576 | { | |
577 | tail = XCDR (tail); | |
578 | if (NILP (tail)) | |
579 | return val; | |
580 | if (! CONSP (tail)) | |
581 | return Qerror; | |
582 | for (tmp = XCAR (tail); CONSP (tmp); tmp = XCDR (tmp)) | |
583 | if (! SYMBOLP (XCAR (tmp))) | |
584 | return Qerror; | |
585 | if (! NILP (tmp)) | |
586 | return Qerror; | |
587 | } | |
588 | return val; | |
589 | } | |
590 | ||
ec6fe57c KH |
591 | /* Structure of known font property keys and validater of the |
592 | values. */ | |
c2f5bfd6 KH |
593 | struct |
594 | { | |
ec6fe57c | 595 | /* Pointer to the key symbol. */ |
c2f5bfd6 | 596 | Lisp_Object *key; |
45eb10fb KH |
597 | /* Function to validate PROP's value VAL, or NULL if any value is |
598 | ok. The value is VAL or its regularized value if VAL is valid, | |
599 | and Qerror if not. */ | |
600 | Lisp_Object (*validater) P_ ((Lisp_Object prop, Lisp_Object val)); | |
ec6fe57c KH |
601 | } font_property_table[] = |
602 | { { &QCtype, font_prop_validate_symbol }, | |
c2f5bfd6 KH |
603 | { &QCfoundry, font_prop_validate_symbol }, |
604 | { &QCfamily, font_prop_validate_symbol }, | |
605 | { &QCadstyle, font_prop_validate_symbol }, | |
606 | { &QCregistry, font_prop_validate_symbol }, | |
607 | { &QCweight, font_prop_validate_style }, | |
608 | { &QCslant, font_prop_validate_style }, | |
609 | { &QCwidth, font_prop_validate_style }, | |
ec6fe57c | 610 | { &QCsize, font_prop_validate_non_neg }, |
ec6fe57c KH |
611 | { &QCdpi, font_prop_validate_non_neg }, |
612 | { &QCspacing, font_prop_validate_spacing }, | |
35027d0c KH |
613 | { &QCavgwidth, font_prop_validate_non_neg }, |
614 | /* The order of the above entries must match with enum | |
615 | font_property_index. */ | |
616 | { &QClang, font_prop_validate_symbol }, | |
617 | { &QCscript, font_prop_validate_symbol }, | |
618 | { &QCotf, font_prop_validate_otf } | |
c2f5bfd6 KH |
619 | }; |
620 | ||
45eb10fb | 621 | /* Size (number of elements) of the above table. */ |
ec6fe57c KH |
622 | #define FONT_PROPERTY_TABLE_SIZE \ |
623 | ((sizeof font_property_table) / (sizeof *font_property_table)) | |
624 | ||
45eb10fb | 625 | /* Return an index number of font property KEY or -1 if KEY is not an |
35027d0c | 626 | already known property. */ |
45eb10fb | 627 | |
ec6fe57c | 628 | static int |
35027d0c | 629 | get_font_prop_index (key) |
c2f5bfd6 KH |
630 | Lisp_Object key; |
631 | { | |
35027d0c KH |
632 | int i; |
633 | ||
634 | for (i = 0; i < FONT_PROPERTY_TABLE_SIZE; i++) | |
635 | if (EQ (key, *font_property_table[i].key)) | |
636 | return i; | |
ec6fe57c | 637 | return -1; |
c2f5bfd6 KH |
638 | } |
639 | ||
35027d0c KH |
640 | /* Validate the font property. The property key is specified by the |
641 | symbol PROP, or the index IDX (if PROP is nil). If VAL is invalid, | |
642 | signal an error. The value is VAL or the regularized one. */ | |
45eb10fb | 643 | |
c2f5bfd6 | 644 | static Lisp_Object |
35027d0c KH |
645 | font_prop_validate (idx, prop, val) |
646 | int idx; | |
647 | Lisp_Object prop, val; | |
c2f5bfd6 | 648 | { |
35027d0c | 649 | Lisp_Object validated; |
c2f5bfd6 | 650 | |
1f09f444 KH |
651 | if (NILP (val)) |
652 | return val; | |
35027d0c KH |
653 | if (NILP (prop)) |
654 | prop = *font_property_table[idx].key; | |
655 | else | |
ec6fe57c | 656 | { |
35027d0c KH |
657 | idx = get_font_prop_index (prop); |
658 | if (idx < 0) | |
659 | return val; | |
ec6fe57c | 660 | } |
35027d0c KH |
661 | validated = (font_property_table[idx].validater) (prop, val); |
662 | if (EQ (validated, Qerror)) | |
663 | signal_error ("invalid font property", Fcons (prop, val)); | |
664 | return validated; | |
c2f5bfd6 | 665 | } |
51c01100 | 666 | |
35027d0c KH |
667 | |
668 | /* Store VAL as a value of extra font property PROP in FONT while | |
669 | keeping the sorting order. Don't check the validity of VAL. */ | |
45eb10fb | 670 | |
01dbeb0b | 671 | Lisp_Object |
ec6fe57c | 672 | font_put_extra (font, prop, val) |
9331887d | 673 | Lisp_Object font, prop, val; |
9331887d KH |
674 | { |
675 | Lisp_Object extra = AREF (font, FONT_EXTRA_INDEX); | |
ec6fe57c | 676 | Lisp_Object slot = (NILP (extra) ? Qnil : assq_no_quit (prop, extra)); |
9331887d KH |
677 | |
678 | if (NILP (slot)) | |
679 | { | |
35027d0c KH |
680 | Lisp_Object prev = Qnil; |
681 | ||
682 | while (CONSP (extra) | |
683 | && NILP (Fstring_lessp (prop, XCAR (XCAR (extra))))) | |
684 | prev = extra, extra = XCDR (extra); | |
685 | if (NILP (prev)) | |
686 | ASET (font, FONT_EXTRA_INDEX, Fcons (Fcons (prop, val), extra)); | |
687 | else | |
688 | XSETCDR (prev, Fcons (Fcons (prop, val), extra)); | |
ec6fe57c | 689 | return val; |
9331887d | 690 | } |
9331887d | 691 | XSETCDR (slot, val); |
ec6fe57c | 692 | return val; |
9331887d KH |
693 | } |
694 | ||
c2f5bfd6 KH |
695 | \f |
696 | /* Font name parser and unparser */ | |
697 | ||
ec6fe57c KH |
698 | static int parse_matrix P_ ((char *)); |
699 | static int font_expand_wildcards P_ ((Lisp_Object *, int)); | |
700 | static int font_parse_name P_ ((char *, Lisp_Object)); | |
c2f5bfd6 | 701 | |
ec6fe57c | 702 | /* An enumerator for each field of an XLFD font name. */ |
c2f5bfd6 KH |
703 | enum xlfd_field_index |
704 | { | |
705 | XLFD_FOUNDRY_INDEX, | |
706 | XLFD_FAMILY_INDEX, | |
707 | XLFD_WEIGHT_INDEX, | |
708 | XLFD_SLANT_INDEX, | |
709 | XLFD_SWIDTH_INDEX, | |
710 | XLFD_ADSTYLE_INDEX, | |
4485a28e KH |
711 | XLFD_PIXEL_INDEX, |
712 | XLFD_POINT_INDEX, | |
c2f5bfd6 KH |
713 | XLFD_RESX_INDEX, |
714 | XLFD_RESY_INDEX, | |
715 | XLFD_SPACING_INDEX, | |
716 | XLFD_AVGWIDTH_INDEX, | |
717 | XLFD_REGISTRY_INDEX, | |
718 | XLFD_ENCODING_INDEX, | |
719 | XLFD_LAST_INDEX | |
720 | }; | |
721 | ||
ec6fe57c | 722 | /* An enumerator for mask bit corresponding to each XLFD field. */ |
4485a28e KH |
723 | enum xlfd_field_mask |
724 | { | |
725 | XLFD_FOUNDRY_MASK = 0x0001, | |
726 | XLFD_FAMILY_MASK = 0x0002, | |
727 | XLFD_WEIGHT_MASK = 0x0004, | |
728 | XLFD_SLANT_MASK = 0x0008, | |
729 | XLFD_SWIDTH_MASK = 0x0010, | |
730 | XLFD_ADSTYLE_MASK = 0x0020, | |
731 | XLFD_PIXEL_MASK = 0x0040, | |
732 | XLFD_POINT_MASK = 0x0080, | |
733 | XLFD_RESX_MASK = 0x0100, | |
734 | XLFD_RESY_MASK = 0x0200, | |
735 | XLFD_SPACING_MASK = 0x0400, | |
736 | XLFD_AVGWIDTH_MASK = 0x0800, | |
737 | XLFD_REGISTRY_MASK = 0x1000, | |
738 | XLFD_ENCODING_MASK = 0x2000 | |
739 | }; | |
740 | ||
741 | ||
c2f5bfd6 KH |
742 | /* Parse P pointing the pixel/point size field of the form |
743 | `[A B C D]' which specifies a transformation matrix: | |
744 | ||
745 | A B 0 | |
746 | C D 0 | |
747 | 0 0 1 | |
748 | ||
749 | by which all glyphs of the font are transformed. The spec says | |
750 | that scalar value N for the pixel/point size is equivalent to: | |
751 | A = N * resx/resy, B = C = 0, D = N. | |
752 | ||
753 | Return the scalar value N if the form is valid. Otherwise return | |
754 | -1. */ | |
755 | ||
756 | static int | |
757 | parse_matrix (p) | |
758 | char *p; | |
759 | { | |
760 | double matrix[4]; | |
761 | char *end; | |
762 | int i; | |
763 | ||
764 | for (i = 0, p++; i < 4 && *p && *p != ']'; i++) | |
765 | { | |
766 | if (*p == '~') | |
767 | matrix[i] = - strtod (p + 1, &end); | |
768 | else | |
769 | matrix[i] = strtod (p, &end); | |
770 | p = end; | |
771 | } | |
772 | return (i == 4 ? (int) matrix[3] : -1); | |
773 | } | |
774 | ||
4485a28e KH |
775 | /* Expand a wildcard field in FIELD (the first N fields are filled) to |
776 | multiple fields to fill in all 14 XLFD fields while restring a | |
777 | field position by its contents. */ | |
778 | ||
ec6fe57c | 779 | static int |
4485a28e KH |
780 | font_expand_wildcards (field, n) |
781 | Lisp_Object field[XLFD_LAST_INDEX]; | |
782 | int n; | |
783 | { | |
784 | /* Copy of FIELD. */ | |
785 | Lisp_Object tmp[XLFD_LAST_INDEX]; | |
786 | /* Array of information about where this element can go. Nth | |
787 | element is for Nth element of FIELD. */ | |
788 | struct { | |
789 | /* Minimum possible field. */ | |
790 | int from; | |
791 | /* Maxinum possible field. */ | |
792 | int to; | |
793 | /* Bit mask of possible field. Nth bit corresponds to Nth field. */ | |
794 | int mask; | |
795 | } range[XLFD_LAST_INDEX]; | |
796 | int i, j; | |
ec6fe57c | 797 | int range_from, range_to; |
4485a28e KH |
798 | unsigned range_mask; |
799 | ||
800 | #define XLFD_SYMBOL_MASK (XLFD_FOUNDRY_MASK | XLFD_FAMILY_MASK \ | |
801 | | XLFD_ADSTYLE_MASK | XLFD_REGISTRY_MASK) | |
802 | #define XLFD_NULL_MASK (XLFD_FOUNDRY_MASK | XLFD_ADSTYLE_MASK) | |
4485a28e | 803 | #define XLFD_LARGENUM_MASK (XLFD_POINT_MASK | XLFD_RESX_MASK | XLFD_RESY_MASK \ |
ef18374f | 804 | | XLFD_AVGWIDTH_MASK) |
4485a28e KH |
805 | #define XLFD_REGENC_MASK (XLFD_REGISTRY_MASK | XLFD_ENCODING_MASK) |
806 | ||
807 | /* Initialize RANGE_MASK for FIELD[0] which can be 0th to (14 - N)th | |
808 | field. The value is shifted to left one bit by one in the | |
809 | following loop. */ | |
810 | for (i = 0, range_mask = 0; i <= 14 - n; i++) | |
811 | range_mask = (range_mask << 1) | 1; | |
812 | ||
ec6fe57c KH |
813 | /* The triplet RANGE_FROM, RANGE_TO, and RANGE_MASK is a |
814 | position-based retriction for FIELD[I]. */ | |
815 | for (i = 0, range_from = 0, range_to = 14 - n; i < n; | |
816 | i++, range_from++, range_to++, range_mask <<= 1) | |
4485a28e | 817 | { |
4485a28e KH |
818 | Lisp_Object val = field[i]; |
819 | ||
820 | tmp[i] = val; | |
821 | if (NILP (val)) | |
822 | { | |
823 | /* Wildcard. */ | |
824 | range[i].from = range_from; | |
825 | range[i].to = range_to; | |
826 | range[i].mask = range_mask; | |
827 | } | |
828 | else | |
829 | { | |
830 | /* The triplet FROM, TO, and MASK is a value-based | |
831 | retriction for FIELD[I]. */ | |
832 | int from, to; | |
833 | unsigned mask; | |
834 | ||
835 | if (INTEGERP (val)) | |
836 | { | |
837 | int numeric = XINT (val); | |
838 | ||
ef18374f KH |
839 | if (i + 1 == n) |
840 | from = to = XLFD_ENCODING_INDEX, | |
841 | mask = XLFD_ENCODING_MASK; | |
ec6fe57c KH |
842 | else if (numeric == 0) |
843 | from = XLFD_PIXEL_INDEX, to = XLFD_AVGWIDTH_INDEX, | |
844 | mask = XLFD_PIXEL_MASK | XLFD_LARGENUM_MASK; | |
ef18374f KH |
845 | else if (numeric <= 48) |
846 | from = to = XLFD_PIXEL_INDEX, | |
847 | mask = XLFD_PIXEL_MASK; | |
51c01100 | 848 | else |
ec6fe57c | 849 | from = XLFD_POINT_INDEX, to = XLFD_AVGWIDTH_INDEX, |
4485a28e KH |
850 | mask = XLFD_LARGENUM_MASK; |
851 | } | |
35027d0c | 852 | else if (SBYTES (SYMBOL_NAME (val)) == 0) |
4485a28e KH |
853 | from = XLFD_FOUNDRY_INDEX, to = XLFD_ADSTYLE_INDEX, |
854 | mask = XLFD_NULL_MASK; | |
855 | else if (i == 0) | |
856 | from = to = XLFD_FOUNDRY_INDEX, mask = XLFD_FOUNDRY_MASK; | |
857 | else if (i + 1 == n) | |
858 | { | |
859 | Lisp_Object name = SYMBOL_NAME (val); | |
860 | ||
861 | if (SDATA (name)[SBYTES (name) - 1] == '*') | |
862 | from = XLFD_REGISTRY_INDEX, to = XLFD_ENCODING_INDEX, | |
863 | mask = XLFD_REGENC_MASK; | |
864 | else | |
865 | from = to = XLFD_ENCODING_INDEX, | |
866 | mask = XLFD_ENCODING_MASK; | |
867 | } | |
ef18374f KH |
868 | else if (range_from <= XLFD_WEIGHT_INDEX |
869 | && range_to >= XLFD_WEIGHT_INDEX | |
35027d0c | 870 | && FONT_WEIGHT_NAME_NUMERIC (val) >= 0) |
4485a28e | 871 | from = to = XLFD_WEIGHT_INDEX, mask = XLFD_WEIGHT_MASK; |
ef18374f KH |
872 | else if (range_from <= XLFD_SLANT_INDEX |
873 | && range_to >= XLFD_SLANT_INDEX | |
35027d0c | 874 | && FONT_SLANT_NAME_NUMERIC (val) >= 0) |
4485a28e | 875 | from = to = XLFD_SLANT_INDEX, mask = XLFD_SLANT_MASK; |
ef18374f KH |
876 | else if (range_from <= XLFD_SWIDTH_INDEX |
877 | && range_to >= XLFD_SWIDTH_INDEX | |
35027d0c | 878 | && FONT_WIDTH_NAME_NUMERIC (val) >= 0) |
4485a28e KH |
879 | from = to = XLFD_SWIDTH_INDEX, mask = XLFD_SWIDTH_MASK; |
880 | else | |
881 | { | |
ec6fe57c | 882 | if (EQ (val, Qc) || EQ (val, Qm) || EQ (val, Qp) || EQ (val, Qd)) |
4485a28e KH |
883 | from = to = XLFD_SPACING_INDEX, mask = XLFD_SPACING_MASK; |
884 | else | |
885 | from = XLFD_FOUNDRY_INDEX, to = XLFD_ENCODING_INDEX, | |
886 | mask = XLFD_SYMBOL_MASK; | |
887 | } | |
888 | ||
889 | /* Merge position-based and value-based restrictions. */ | |
890 | mask &= range_mask; | |
891 | while (from < range_from) | |
892 | mask &= ~(1 << from++); | |
893 | while (from < 14 && ! (mask & (1 << from))) | |
894 | from++; | |
895 | while (to > range_to) | |
896 | mask &= ~(1 << to--); | |
897 | while (to >= 0 && ! (mask & (1 << to))) | |
898 | to--; | |
899 | if (from > to) | |
900 | return -1; | |
901 | range[i].from = from; | |
902 | range[i].to = to; | |
903 | range[i].mask = mask; | |
904 | ||
905 | if (from > range_from || to < range_to) | |
ec6fe57c KH |
906 | { |
907 | /* The range is narrowed by value-based restrictions. | |
908 | Reflect it to the other fields. */ | |
909 | ||
910 | /* Following fields should be after FROM. */ | |
911 | range_from = from; | |
912 | /* Preceding fields should be before TO. */ | |
913 | for (j = i - 1, from--, to--; j >= 0; j--, from--, to--) | |
914 | { | |
915 | /* Check FROM for non-wildcard field. */ | |
916 | if (! NILP (tmp[j]) && range[j].from < from) | |
917 | { | |
918 | while (range[j].from < from) | |
919 | range[j].mask &= ~(1 << range[j].from++); | |
920 | while (from < 14 && ! (range[j].mask & (1 << from))) | |
921 | from++; | |
922 | range[j].from = from; | |
923 | } | |
924 | else | |
925 | from = range[j].from; | |
926 | if (range[j].to > to) | |
927 | { | |
928 | while (range[j].to > to) | |
929 | range[j].mask &= ~(1 << range[j].to--); | |
930 | while (to >= 0 && ! (range[j].mask & (1 << to))) | |
931 | to--; | |
932 | range[j].to = to; | |
933 | } | |
934 | else | |
935 | to = range[j].to; | |
936 | if (from > to) | |
937 | return -1; | |
938 | } | |
939 | } | |
4485a28e KH |
940 | } |
941 | } | |
942 | ||
943 | /* Decide all fileds from restrictions in RANGE. */ | |
944 | for (i = j = 0; i < n ; i++) | |
945 | { | |
946 | if (j < range[i].from) | |
947 | { | |
948 | if (i == 0 || ! NILP (tmp[i - 1])) | |
949 | /* None of TMP[X] corresponds to Jth field. */ | |
950 | return -1; | |
951 | for (; j < range[i].from; j++) | |
952 | field[j] = Qnil; | |
953 | } | |
954 | field[j++] = tmp[i]; | |
955 | } | |
956 | if (! NILP (tmp[n - 1]) && j < XLFD_REGISTRY_INDEX) | |
957 | return -1; | |
958 | for (; j < XLFD_LAST_INDEX; j++) | |
959 | field[j] = Qnil; | |
960 | if (INTEGERP (field[XLFD_ENCODING_INDEX])) | |
961 | field[XLFD_ENCODING_INDEX] | |
962 | = Fintern (Fnumber_to_string (field[XLFD_ENCODING_INDEX]), Qnil); | |
963 | return 0; | |
964 | } | |
965 | ||
43a1d19b SM |
966 | |
967 | #ifdef ENABLE_CHECKING | |
968 | /* Match a 14-field XLFD pattern against a full XLFD font name. */ | |
969 | static int | |
970 | font_match_xlfd (char *pattern, char *name) | |
971 | { | |
972 | while (*pattern && *name) | |
973 | { | |
974 | if (*pattern == *name) | |
975 | pattern++; | |
976 | else if (*pattern == '*') | |
977 | if (*name == pattern[1]) | |
978 | pattern += 2; | |
979 | else | |
980 | ; | |
981 | else | |
982 | return 0; | |
983 | name++; | |
984 | } | |
985 | return 1; | |
986 | } | |
987 | ||
988 | /* Make sure the font object matches the XLFD font name. */ | |
989 | static int | |
990 | font_check_xlfd_parse (Lisp_Object font, char *name) | |
991 | { | |
992 | char name_check[256]; | |
993 | font_unparse_xlfd (font, 0, name_check, 255); | |
994 | return font_match_xlfd (name_check, name); | |
995 | } | |
996 | ||
997 | #endif | |
998 | ||
35027d0c | 999 | |
ef18374f | 1000 | /* Parse NAME (null terminated) as XLFD and store information in FONT |
9331887d KH |
1001 | (font-spec or font-entity). Size property of FONT is set as |
1002 | follows: | |
1003 | specified XLFD fields FONT property | |
1004 | --------------------- ------------- | |
1005 | PIXEL_SIZE PIXEL_SIZE (Lisp integer) | |
1006 | POINT_SIZE and RESY calculated pixel size (Lisp integer) | |
1007 | POINT_SIZE POINT_SIZE/10 (Lisp float) | |
1008 | ||
ec6fe57c | 1009 | If NAME is successfully parsed, return 0. Otherwise return -1. |
9331887d | 1010 | |
ec6fe57c KH |
1011 | FONT is usually a font-spec, but when this function is called from |
1012 | X font backend driver, it is a font-entity. In that case, NAME is | |
35027d0c | 1013 | a fully specified XLFD. */ |
c2f5bfd6 KH |
1014 | |
1015 | int | |
ec6fe57c | 1016 | font_parse_xlfd (name, font) |
c2f5bfd6 KH |
1017 | char *name; |
1018 | Lisp_Object font; | |
c2f5bfd6 KH |
1019 | { |
1020 | int len = strlen (name); | |
35027d0c | 1021 | int i, j, n; |
cf23b845 | 1022 | char *f[XLFD_LAST_INDEX + 1]; |
c2f5bfd6 | 1023 | Lisp_Object val; |
4485a28e | 1024 | char *p; |
c2f5bfd6 KH |
1025 | |
1026 | if (len > 255) | |
1027 | /* Maximum XLFD name length is 255. */ | |
1028 | return -1; | |
ec6fe57c KH |
1029 | /* Accept "*-.." as a fully specified XLFD. */ |
1030 | if (name[0] == '*' && name[1] == '-') | |
1031 | i = 1, f[XLFD_FOUNDRY_INDEX] = name; | |
1032 | else | |
1033 | i = 0; | |
1034 | for (p = name + i; *p; p++) | |
35027d0c KH |
1035 | if (*p == '-') |
1036 | { | |
1037 | f[i++] = p + 1; | |
1038 | if (i == XLFD_LAST_INDEX) | |
1039 | break; | |
1040 | } | |
1041 | f[i] = name + len; | |
c2f5bfd6 | 1042 | |
35027d0c | 1043 | #define INTERN_FIELD(N) font_intern_prop (f[N], f[(N) + 1] - 1 - f[N]) |
4485a28e | 1044 | |
ec6fe57c | 1045 | if (i == XLFD_LAST_INDEX) |
4485a28e | 1046 | { |
35027d0c | 1047 | /* Fully specified XLFD. */ |
ec6fe57c KH |
1048 | int pixel_size; |
1049 | ||
35027d0c KH |
1050 | ASET (font, FONT_FOUNDRY_INDEX, INTERN_FIELD (XLFD_FOUNDRY_INDEX)); |
1051 | ASET (font, FONT_FAMILY_INDEX, INTERN_FIELD (XLFD_FAMILY_INDEX)); | |
1052 | for (i = XLFD_WEIGHT_INDEX, j = FONT_WEIGHT_INDEX; | |
1053 | i <= XLFD_SWIDTH_INDEX; i++, j++) | |
4485a28e | 1054 | { |
35027d0c | 1055 | val = INTERN_FIELD (i); |
ec6fe57c | 1056 | if (! NILP (val)) |
4485a28e | 1057 | { |
35027d0c KH |
1058 | if ((n = font_style_to_value (j, INTERN_FIELD (i), 0)) < 0) |
1059 | return -1; | |
1060 | ASET (font, j, make_number (n)); | |
ec6fe57c KH |
1061 | } |
1062 | } | |
35027d0c KH |
1063 | ASET (font, FONT_ADSTYLE_INDEX, INTERN_FIELD (XLFD_ADSTYLE_INDEX)); |
1064 | if (strcmp (f[XLFD_REGISTRY_INDEX], "*-*") == 0) | |
1065 | ASET (font, FONT_REGISTRY_INDEX, Qnil); | |
1066 | else | |
1067 | ASET (font, FONT_REGISTRY_INDEX, | |
1068 | font_intern_prop (f[XLFD_REGISTRY_INDEX], | |
1069 | f[XLFD_LAST_INDEX] - f[XLFD_REGISTRY_INDEX])); | |
ec6fe57c KH |
1070 | p = f[XLFD_PIXEL_INDEX]; |
1071 | if (*p == '[' && (pixel_size = parse_matrix (p)) >= 0) | |
51c01100 | 1072 | ASET (font, FONT_SIZE_INDEX, make_number (pixel_size)); |
ec6fe57c KH |
1073 | else |
1074 | { | |
35027d0c KH |
1075 | val = INTERN_FIELD (XLFD_PIXEL_INDEX); |
1076 | if (INTEGERP (val)) | |
ec6fe57c KH |
1077 | ASET (font, FONT_SIZE_INDEX, val); |
1078 | else | |
1079 | { | |
1080 | double point_size = -1; | |
1081 | ||
d0ab1ebe | 1082 | font_assert (FONT_SPEC_P (font)); |
ec6fe57c KH |
1083 | p = f[XLFD_POINT_INDEX]; |
1084 | if (*p == '[') | |
1085 | point_size = parse_matrix (p); | |
1086 | else if (isdigit (*p)) | |
1087 | point_size = atoi (p), point_size /= 10; | |
1088 | if (point_size >= 0) | |
1089 | ASET (font, FONT_SIZE_INDEX, make_float (point_size)); | |
4485a28e KH |
1090 | } |
1091 | } | |
ec6fe57c | 1092 | |
35027d0c KH |
1093 | ASET (font, FONT_DPI_INDEX, INTERN_FIELD (XLFD_RESY_INDEX)); |
1094 | val = INTERN_FIELD (XLFD_SPACING_INDEX); | |
1095 | if (! NILP (val)) | |
ec6fe57c | 1096 | { |
35027d0c KH |
1097 | val = font_prop_validate_spacing (QCspacing, val); |
1098 | if (! INTEGERP (val)) | |
1099 | return -1; | |
1100 | ASET (font, FONT_SPACING_INDEX, val); | |
ec6fe57c | 1101 | } |
ec6fe57c KH |
1102 | p = f[XLFD_AVGWIDTH_INDEX]; |
1103 | if (*p == '~') | |
1104 | p++; | |
35027d0c KH |
1105 | ASET (font, FONT_AVGWIDTH_INDEX, |
1106 | font_intern_prop (p, f[XLFD_REGISTRY_INDEX] - 1 - p)); | |
4485a28e KH |
1107 | } |
1108 | else | |
c2f5bfd6 | 1109 | { |
4485a28e | 1110 | int wild_card_found = 0; |
ec6fe57c | 1111 | Lisp_Object prop[XLFD_LAST_INDEX]; |
4485a28e | 1112 | |
35027d0c KH |
1113 | if (FONT_ENTITY_P (font)) |
1114 | return -1; | |
ec6fe57c | 1115 | for (j = 0; j < i; j++) |
4485a28e | 1116 | { |
ec6fe57c | 1117 | if (*f[j] == '*') |
4485a28e | 1118 | { |
ec6fe57c KH |
1119 | if (f[j][1] && f[j][1] != '-') |
1120 | return -1; | |
1121 | prop[j] = Qnil; | |
1122 | wild_card_found = 1; | |
1123 | } | |
ec6fe57c | 1124 | else if (j + 1 < i) |
35027d0c | 1125 | prop[j] = INTERN_FIELD (j); |
ec6fe57c | 1126 | else |
35027d0c | 1127 | prop[j] = font_intern_prop (f[j], f[i] - f[j]); |
4485a28e KH |
1128 | } |
1129 | if (! wild_card_found) | |
c2f5bfd6 | 1130 | return -1; |
ec6fe57c | 1131 | if (font_expand_wildcards (prop, i) < 0) |
4485a28e | 1132 | return -1; |
ec6fe57c | 1133 | |
35027d0c KH |
1134 | ASET (font, FONT_FOUNDRY_INDEX, prop[XLFD_FOUNDRY_INDEX]); |
1135 | ASET (font, FONT_FAMILY_INDEX, prop[XLFD_FAMILY_INDEX]); | |
1136 | for (i = XLFD_WEIGHT_INDEX, j = FONT_WEIGHT_INDEX; | |
1137 | i <= XLFD_SWIDTH_INDEX; i++, j++) | |
ec6fe57c | 1138 | if (! NILP (prop[i])) |
35027d0c KH |
1139 | { |
1140 | if ((n = font_style_to_value (j, prop[i], 1)) < 0) | |
1141 | return -1; | |
1142 | ASET (font, j, make_number (n)); | |
1143 | } | |
1144 | ASET (font, FONT_ADSTYLE_INDEX, prop[XLFD_ADSTYLE_INDEX]); | |
ec6fe57c KH |
1145 | val = prop[XLFD_REGISTRY_INDEX]; |
1146 | if (NILP (val)) | |
c2f5bfd6 | 1147 | { |
ec6fe57c KH |
1148 | val = prop[XLFD_ENCODING_INDEX]; |
1149 | if (! NILP (val)) | |
35027d0c | 1150 | val = concat2 (build_string ("*-"), SYMBOL_NAME (val)); |
4485a28e | 1151 | } |
ec6fe57c | 1152 | else if (NILP (prop[XLFD_ENCODING_INDEX])) |
35027d0c | 1153 | val = concat2 (SYMBOL_NAME (val), build_string ("-*")); |
4485a28e | 1154 | else |
35027d0c KH |
1155 | val = concat3 (SYMBOL_NAME (val), build_string ("-"), |
1156 | SYMBOL_NAME (prop[XLFD_ENCODING_INDEX])); | |
ec6fe57c | 1157 | if (! NILP (val)) |
35027d0c | 1158 | ASET (font, FONT_REGISTRY_INDEX, Fintern (val, Qnil)); |
ec6fe57c KH |
1159 | |
1160 | if (INTEGERP (prop[XLFD_PIXEL_INDEX])) | |
1161 | ASET (font, FONT_SIZE_INDEX, prop[XLFD_PIXEL_INDEX]); | |
1162 | else if (INTEGERP (prop[XLFD_POINT_INDEX])) | |
4485a28e | 1163 | { |
ec6fe57c | 1164 | double point_size = XINT (prop[XLFD_POINT_INDEX]); |
c2f5bfd6 | 1165 | |
ec6fe57c KH |
1166 | ASET (font, FONT_SIZE_INDEX, make_float (point_size / 10)); |
1167 | } | |
c2f5bfd6 | 1168 | |
35027d0c KH |
1169 | if (INTEGERP (prop[XLFD_RESX_INDEX])) |
1170 | ASET (font, FONT_DPI_INDEX, prop[XLFD_RESY_INDEX]); | |
1171 | if (! NILP (prop[XLFD_SPACING_INDEX])) | |
1172 | { | |
1173 | val = font_prop_validate_spacing (QCspacing, | |
1174 | prop[XLFD_SPACING_INDEX]); | |
1175 | if (! INTEGERP (val)) | |
1176 | return -1; | |
1177 | ASET (font, FONT_SPACING_INDEX, val); | |
1178 | } | |
ec6fe57c | 1179 | if (INTEGERP (prop[XLFD_AVGWIDTH_INDEX])) |
35027d0c | 1180 | ASET (font, FONT_AVGWIDTH_INDEX, prop[XLFD_AVGWIDTH_INDEX]); |
c2f5bfd6 KH |
1181 | } |
1182 | ||
ec6fe57c | 1183 | return 0; |
c2f5bfd6 KH |
1184 | } |
1185 | ||
1186 | /* Store XLFD name of FONT (font-spec or font-entity) in NAME (NBYTES | |
1187 | length), and return the name length. If FONT_SIZE_INDEX of FONT is | |
1188 | 0, use PIXEL_SIZE instead. */ | |
1189 | ||
1190 | int | |
1191 | font_unparse_xlfd (font, pixel_size, name, nbytes) | |
1192 | Lisp_Object font; | |
1bb1d99b | 1193 | int pixel_size; |
c2f5bfd6 KH |
1194 | char *name; |
1195 | int nbytes; | |
1196 | { | |
ec6fe57c | 1197 | char *f[XLFD_REGISTRY_INDEX + 1]; |
c2f5bfd6 KH |
1198 | Lisp_Object val; |
1199 | int i, j, len = 0; | |
1200 | ||
d0ab1ebe | 1201 | font_assert (FONTP (font)); |
c2f5bfd6 KH |
1202 | |
1203 | for (i = FONT_FOUNDRY_INDEX, j = XLFD_FOUNDRY_INDEX; i <= FONT_REGISTRY_INDEX; | |
1204 | i++, j++) | |
1205 | { | |
1206 | if (i == FONT_ADSTYLE_INDEX) | |
1207 | j = XLFD_ADSTYLE_INDEX; | |
1208 | else if (i == FONT_REGISTRY_INDEX) | |
1209 | j = XLFD_REGISTRY_INDEX; | |
1210 | val = AREF (font, i); | |
1211 | if (NILP (val)) | |
1bb1d99b KH |
1212 | { |
1213 | if (j == XLFD_REGISTRY_INDEX) | |
1214 | f[j] = "*-*", len += 4; | |
1215 | else | |
1216 | f[j] = "*", len += 2; | |
1217 | } | |
c2f5bfd6 KH |
1218 | else |
1219 | { | |
1220 | if (SYMBOLP (val)) | |
1221 | val = SYMBOL_NAME (val); | |
1bb1d99b KH |
1222 | if (j == XLFD_REGISTRY_INDEX |
1223 | && ! strchr ((char *) SDATA (val), '-')) | |
1224 | { | |
1225 | /* Change "jisx0208*" and "jisx0208" to "jisx0208*-*". */ | |
1226 | if (SDATA (val)[SBYTES (val) - 1] == '*') | |
1227 | { | |
1228 | f[j] = alloca (SBYTES (val) + 3); | |
1229 | sprintf (f[j], "%s-*", SDATA (val)); | |
1230 | len += SBYTES (val) + 3; | |
1231 | } | |
1232 | else | |
1233 | { | |
1234 | f[j] = alloca (SBYTES (val) + 4); | |
1235 | sprintf (f[j], "%s*-*", SDATA (val)); | |
1236 | len += SBYTES (val) + 4; | |
1237 | } | |
1238 | } | |
1239 | else | |
1240 | f[j] = (char *) SDATA (val), len += SBYTES (val) + 1; | |
c2f5bfd6 KH |
1241 | } |
1242 | } | |
1243 | ||
1244 | for (i = FONT_WEIGHT_INDEX, j = XLFD_WEIGHT_INDEX; i <= FONT_WIDTH_INDEX; | |
1245 | i++, j++) | |
1246 | { | |
35027d0c | 1247 | val = font_style_symbolic (font, i, 0); |
c2f5bfd6 KH |
1248 | if (NILP (val)) |
1249 | f[j] = "*", len += 2; | |
1250 | else | |
1251 | { | |
35027d0c | 1252 | val = SYMBOL_NAME (val); |
c2f5bfd6 KH |
1253 | f[j] = (char *) SDATA (val), len += SBYTES (val) + 1; |
1254 | } | |
1255 | } | |
1256 | ||
1257 | val = AREF (font, FONT_SIZE_INDEX); | |
d0ab1ebe | 1258 | font_assert (NUMBERP (val) || NILP (val)); |
c2f5bfd6 KH |
1259 | if (INTEGERP (val)) |
1260 | { | |
35027d0c | 1261 | i = XINT (val); |
81aefea4 SM |
1262 | if (i <= 0) |
1263 | i = pixel_size; | |
c2f5bfd6 | 1264 | if (i > 0) |
81aefea4 SM |
1265 | { |
1266 | f[XLFD_PIXEL_INDEX] = alloca (22); | |
1267 | len += sprintf (f[XLFD_PIXEL_INDEX], "%d-*", i) + 1; | |
1268 | } | |
1269 | else | |
1270 | f[XLFD_PIXEL_INDEX] = "*-*", len += 4; | |
c2f5bfd6 KH |
1271 | } |
1272 | else if (FLOATP (val)) | |
1273 | { | |
35027d0c | 1274 | i = XFLOAT_DATA (val) * 10; |
ec6fe57c | 1275 | f[XLFD_PIXEL_INDEX] = alloca (12); |
ec6fe57c | 1276 | len += sprintf (f[XLFD_PIXEL_INDEX], "*-%d", i) + 1; |
c2f5bfd6 KH |
1277 | } |
1278 | else | |
ec6fe57c KH |
1279 | f[XLFD_PIXEL_INDEX] = "*-*", len += 4; |
1280 | ||
35027d0c | 1281 | if (INTEGERP (AREF (font, FONT_DPI_INDEX))) |
c2f5bfd6 | 1282 | { |
35027d0c KH |
1283 | i = XINT (AREF (font, FONT_DPI_INDEX)); |
1284 | f[XLFD_RESX_INDEX] = alloca (22); | |
1285 | len += sprintf (f[XLFD_RESX_INDEX], | |
1286 | "%d-%d", i, i) + 1; | |
c2f5bfd6 KH |
1287 | } |
1288 | else | |
35027d0c KH |
1289 | f[XLFD_RESX_INDEX] = "*-*", len += 4; |
1290 | if (INTEGERP (AREF (font, FONT_SPACING_INDEX))) | |
ec6fe57c | 1291 | { |
35027d0c | 1292 | int spacing = XINT (AREF (font, FONT_SPACING_INDEX)); |
ec6fe57c | 1293 | |
35027d0c KH |
1294 | f[XLFD_SPACING_INDEX] = (spacing <= FONT_SPACING_PROPORTIONAL ? "p" |
1295 | : spacing <= FONT_SPACING_DUAL ? "d" | |
1296 | : spacing <= FONT_SPACING_MONO ? "m" | |
1297 | : "c"); | |
1298 | len += 2; | |
ec6fe57c | 1299 | } |
35027d0c KH |
1300 | else |
1301 | f[XLFD_SPACING_INDEX] = "*", len += 2; | |
1302 | if (INTEGERP (AREF (font, FONT_AVGWIDTH_INDEX))) | |
1303 | { | |
1304 | f[XLFD_AVGWIDTH_INDEX] = alloca (11); | |
1305 | len += sprintf (f[XLFD_AVGWIDTH_INDEX], | |
1306 | "%d", XINT (AREF (font, FONT_AVGWIDTH_INDEX))) + 1; | |
1307 | } | |
1308 | else | |
1309 | f[XLFD_AVGWIDTH_INDEX] = "*", len += 2; | |
ec6fe57c | 1310 | len++; /* for terminating '\0'. */ |
c2f5bfd6 KH |
1311 | if (len >= nbytes) |
1312 | return -1; | |
35027d0c | 1313 | return sprintf (name, "-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s", |
c2f5bfd6 KH |
1314 | f[XLFD_FOUNDRY_INDEX], f[XLFD_FAMILY_INDEX], |
1315 | f[XLFD_WEIGHT_INDEX], f[XLFD_SLANT_INDEX], | |
35027d0c KH |
1316 | f[XLFD_SWIDTH_INDEX], f[XLFD_ADSTYLE_INDEX], |
1317 | f[XLFD_PIXEL_INDEX], f[XLFD_RESX_INDEX], | |
1318 | f[XLFD_SPACING_INDEX], f[XLFD_AVGWIDTH_INDEX], | |
1319 | f[XLFD_REGISTRY_INDEX]); | |
c2f5bfd6 KH |
1320 | } |
1321 | ||
ef18374f | 1322 | /* Parse NAME (null terminated) as Fonconfig's name format and store |
9331887d KH |
1323 | information in FONT (font-spec or font-entity). If NAME is |
1324 | successfully parsed, return 0. Otherwise return -1. */ | |
ef18374f KH |
1325 | |
1326 | int | |
ec6fe57c | 1327 | font_parse_fcname (name, font) |
ef18374f KH |
1328 | char *name; |
1329 | Lisp_Object font; | |
ef18374f KH |
1330 | { |
1331 | char *p0, *p1; | |
9331887d KH |
1332 | int len = strlen (name); |
1333 | char *copy; | |
ef18374f | 1334 | |
ec6fe57c KH |
1335 | if (len == 0) |
1336 | return -1; | |
ef18374f KH |
1337 | /* It is assured that (name[0] && name[0] != '-'). */ |
1338 | if (name[0] == ':') | |
1339 | p0 = name; | |
1340 | else | |
1341 | { | |
ec6fe57c KH |
1342 | Lisp_Object family; |
1343 | double point_size; | |
1344 | ||
1345 | for (p0 = name + 1; *p0 && (*p0 != '-' && *p0 != ':'); p0++) | |
1346 | if (*p0 == '\\' && p0[1]) | |
1347 | p0++; | |
35027d0c | 1348 | family = font_intern_prop (name, p0 - name); |
ec6fe57c | 1349 | if (*p0 == '-') |
ef18374f | 1350 | { |
ec6fe57c KH |
1351 | if (! isdigit (p0[1])) |
1352 | return -1; | |
1353 | point_size = strtod (p0 + 1, &p1); | |
1354 | if (*p1 && *p1 != ':') | |
1355 | return -1; | |
1356 | ASET (font, FONT_SIZE_INDEX, make_float (point_size)); | |
1357 | p0 = p1; | |
ef18374f | 1358 | } |
ec6fe57c | 1359 | ASET (font, FONT_FAMILY_INDEX, family); |
ef18374f | 1360 | } |
9331887d KH |
1361 | |
1362 | len -= p0 - name; | |
1363 | copy = alloca (len + 1); | |
1364 | if (! copy) | |
1365 | return -1; | |
1366 | name = copy; | |
51c01100 | 1367 | |
9331887d | 1368 | /* Now parse ":KEY=VAL" patterns. Store known keys and values in |
35027d0c KH |
1369 | extra, copy unknown ones to COPY. It is stored in extra slot by |
1370 | the key QCfc_unknown_spec. */ | |
ef18374f KH |
1371 | while (*p0) |
1372 | { | |
1373 | Lisp_Object key, val; | |
ec6fe57c | 1374 | int prop; |
ef18374f | 1375 | |
ec6fe57c | 1376 | for (p1 = p0 + 1; *p1 && *p1 != '=' && *p1 != ':'; p1++); |
9331887d | 1377 | if (*p1 != '=') |
ef18374f | 1378 | { |
9331887d | 1379 | /* Must be an enumerated value. */ |
35027d0c | 1380 | val = font_intern_prop (p0 + 1, p1 - p0 - 1); |
9331887d KH |
1381 | if (memcmp (p0 + 1, "light", 5) == 0 |
1382 | || memcmp (p0 + 1, "medium", 6) == 0 | |
1383 | || memcmp (p0 + 1, "demibold", 8) == 0 | |
1384 | || memcmp (p0 + 1, "bold", 4) == 0 | |
1385 | || memcmp (p0 + 1, "black", 5) == 0) | |
35027d0c | 1386 | FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, val); |
9331887d KH |
1387 | else if (memcmp (p0 + 1, "roman", 5) == 0 |
1388 | || memcmp (p0 + 1, "italic", 6) == 0 | |
1389 | || memcmp (p0 + 1, "oblique", 7) == 0) | |
35027d0c | 1390 | FONT_SET_STYLE (font, FONT_SLANT_INDEX, val); |
9331887d KH |
1391 | else if (memcmp (p0 + 1, "charcell", 8) == 0 |
1392 | || memcmp (p0 + 1, "mono", 4) == 0 | |
1393 | || memcmp (p0 + 1, "proportional", 12) == 0) | |
1394 | { | |
35027d0c KH |
1395 | int spacing = (p0[1] == 'c' ? FONT_SPACING_CHARCELL |
1396 | : p0[1] == 'm' ? FONT_SPACING_MONO | |
1397 | : FONT_SPACING_PROPORTIONAL); | |
1398 | ASET (font, FONT_SPACING_INDEX, make_number (spacing)); | |
027a33c0 | 1399 | } |
9331887d KH |
1400 | else |
1401 | { | |
1402 | /* unknown key */ | |
1403 | bcopy (p0, copy, p1 - p0); | |
1404 | copy += p1 - p0; | |
1405 | } | |
ef18374f KH |
1406 | } |
1407 | else | |
1408 | { | |
9331887d KH |
1409 | if (memcmp (p0 + 1, "pixelsize=", 10) == 0) |
1410 | prop = FONT_SIZE_INDEX; | |
1411 | else | |
1412 | { | |
35027d0c KH |
1413 | key = font_intern_prop (p0, p1 - p0); |
1414 | prop = get_font_prop_index (key); | |
9331887d KH |
1415 | } |
1416 | p0 = p1 + 1; | |
1417 | for (p1 = p0; *p1 && *p1 != ':'; p1++); | |
35027d0c | 1418 | val = font_intern_prop (p0, p1 - p0); |
ec6fe57c | 1419 | if (! NILP (val)) |
9331887d | 1420 | { |
35027d0c KH |
1421 | if (prop >= FONT_FOUNDRY_INDEX && prop < FONT_EXTRA_INDEX) |
1422 | ASET (font, prop, font_prop_validate (prop, Qnil, val)); | |
1423 | else if (prop >= 0) | |
1424 | Ffont_put (font, key, val); | |
ec6fe57c | 1425 | else |
35027d0c KH |
1426 | bcopy (p0 - 1, copy, p1 - p0 + 1); |
1427 | copy += p1 - p0 + 1; | |
ef18374f KH |
1428 | } |
1429 | } | |
1430 | p0 = p1; | |
1431 | } | |
35027d0c KH |
1432 | if (name != copy) |
1433 | font_put_extra (font, QCfc_unknown_spec, | |
1434 | make_unibyte_string (name, copy - name)); | |
9ba6fd41 | 1435 | |
9331887d | 1436 | return 0; |
ef18374f KH |
1437 | } |
1438 | ||
1439 | /* Store fontconfig's font name of FONT (font-spec or font-entity) in | |
1440 | NAME (NBYTES length), and return the name length. If | |
1441 | FONT_SIZE_INDEX of FONT is 0, use PIXEL_SIZE instead. */ | |
1442 | ||
1443 | int | |
1444 | font_unparse_fcname (font, pixel_size, name, nbytes) | |
1445 | Lisp_Object font; | |
1446 | int pixel_size; | |
1447 | char *name; | |
1448 | int nbytes; | |
1449 | { | |
35027d0c | 1450 | Lisp_Object tail, val; |
ec6fe57c | 1451 | int point_size; |
d0ab1ebe | 1452 | int dpi; |
ec6fe57c | 1453 | int i, len = 1; |
ef18374f | 1454 | char *p; |
a9262bb8 | 1455 | Lisp_Object styles[3]; |
417a1b10 | 1456 | char *style_names[3] = { "weight", "slant", "width" }; |
35027d0c | 1457 | char work[256]; |
ef18374f | 1458 | |
ec6fe57c | 1459 | val = AREF (font, FONT_FAMILY_INDEX); |
35027d0c KH |
1460 | if (STRINGP (val)) |
1461 | len += SBYTES (val); | |
ec6fe57c KH |
1462 | |
1463 | val = AREF (font, FONT_SIZE_INDEX); | |
1464 | if (INTEGERP (val)) | |
ef18374f | 1465 | { |
ec6fe57c KH |
1466 | if (XINT (val) != 0) |
1467 | pixel_size = XINT (val); | |
1468 | point_size = -1; | |
1469 | len += 21; /* for ":pixelsize=NUM" */ | |
ef18374f | 1470 | } |
ec6fe57c | 1471 | else if (FLOATP (val)) |
ef18374f | 1472 | { |
ec6fe57c KH |
1473 | pixel_size = -1; |
1474 | point_size = (int) XFLOAT_DATA (val); | |
1475 | len += 11; /* for "-NUM" */ | |
ef18374f | 1476 | } |
ec6fe57c KH |
1477 | |
1478 | val = AREF (font, FONT_FOUNDRY_INDEX); | |
35027d0c | 1479 | if (STRINGP (val)) |
ef18374f | 1480 | /* ":foundry=NAME" */ |
35027d0c | 1481 | len += 9 + SBYTES (val); |
ec6fe57c | 1482 | |
35027d0c | 1483 | for (i = 0; i < 3; i++) |
a9262bb8 | 1484 | { |
35027d0c KH |
1485 | styles[i] = font_style_symbolic (font, FONT_WEIGHT_INDEX + i, 0); |
1486 | if (! NILP (styles[i])) | |
1487 | len += sprintf (work, ":%s=%s", style_names[i], | |
1488 | SDATA (SYMBOL_NAME (styles[i]))); | |
ec6fe57c | 1489 | } |
35027d0c KH |
1490 | |
1491 | if (INTEGERP (AREF (font, FONT_DPI_INDEX))) | |
1492 | len += sprintf (work, ":dpi=%d", dpi); | |
1493 | if (INTEGERP (AREF (font, FONT_SPACING_INDEX))) | |
1494 | len += strlen (":spacing=100"); | |
1495 | if (INTEGERP (AREF (font, FONT_AVGWIDTH_INDEX))) | |
1496 | len += strlen (":scalable=false"); /* or ":scalable=true" */ | |
1497 | for (tail = AREF (font, FONT_EXTRA_INDEX); CONSP (tail); tail = XCDR (tail)) | |
ec6fe57c | 1498 | { |
35027d0c KH |
1499 | Lisp_Object key = XCAR (XCAR (tail)), val = XCDR (XCAR (tail)); |
1500 | ||
1501 | len += SBYTES (SYMBOL_NAME (key)) + 1; /* for :KEY= */ | |
1502 | if (STRINGP (val)) | |
1503 | len += SBYTES (val); | |
1504 | else if (INTEGERP (val)) | |
1505 | len += sprintf (work, "%d", XINT (val)); | |
1506 | else if (SYMBOLP (val)) | |
1507 | len += (NILP (val) ? 5 : 4); /* for "false" or "true" */ | |
ec6fe57c KH |
1508 | } |
1509 | ||
ef18374f KH |
1510 | if (len > nbytes) |
1511 | return -1; | |
1512 | p = name; | |
1513 | if (! NILP (AREF (font, FONT_FAMILY_INDEX))) | |
35027d0c | 1514 | p += sprintf(p, "%s", SDATA (SYMBOL_NAME (AREF (font, FONT_FAMILY_INDEX)))); |
ec6fe57c KH |
1515 | if (point_size > 0) |
1516 | { | |
1517 | if (p == name) | |
1518 | p += sprintf (p, "%d", point_size); | |
1519 | else | |
1520 | p += sprintf (p, "-%d", point_size); | |
1521 | } | |
ef18374f KH |
1522 | else if (pixel_size > 0) |
1523 | p += sprintf (p, ":pixelsize=%d", pixel_size); | |
35027d0c | 1524 | if (! NILP (AREF (font, FONT_FOUNDRY_INDEX))) |
a9262bb8 KH |
1525 | p += sprintf (p, ":foundry=%s", |
1526 | SDATA (SYMBOL_NAME (AREF (font, FONT_FOUNDRY_INDEX)))); | |
1527 | for (i = 0; i < 3; i++) | |
35027d0c | 1528 | if (! NILP (styles[i])) |
a9262bb8 | 1529 | p += sprintf (p, ":%s=%s", style_names[i], |
35027d0c KH |
1530 | SDATA (SYMBOL_NAME (styles[i]))); |
1531 | if (INTEGERP (AREF (font, FONT_DPI_INDEX))) | |
1532 | p += sprintf (p, ":dpi=%d", XINT (AREF (font, FONT_DPI_INDEX))); | |
1533 | if (INTEGERP (AREF (font, FONT_SPACING_INDEX))) | |
1534 | p += sprintf (p, ":spacing=%d", XINT (AREF (font, FONT_SPACING_INDEX))); | |
1535 | if (INTEGERP (AREF (font, FONT_AVGWIDTH_INDEX))) | |
1536 | { | |
1537 | if (XINT (AREF (font, FONT_AVGWIDTH_INDEX)) == 0) | |
1538 | p += sprintf (p, ":scalable=true"); | |
1539 | else | |
1540 | p += sprintf (p, ":scalable=false"); | |
1541 | } | |
ef18374f KH |
1542 | return (p - name); |
1543 | } | |
1544 | ||
1545 | /* Parse NAME (null terminated) and store information in FONT | |
1546 | (font-spec or font-entity). If NAME is successfully parsed, return | |
35027d0c | 1547 | 0. Otherwise return -1. */ |
ef18374f KH |
1548 | |
1549 | static int | |
ec6fe57c | 1550 | font_parse_name (name, font) |
ef18374f KH |
1551 | char *name; |
1552 | Lisp_Object font; | |
ef18374f KH |
1553 | { |
1554 | if (name[0] == '-' || index (name, '*')) | |
e950d6f1 | 1555 | return font_parse_xlfd (name, font); |
ec6fe57c | 1556 | return font_parse_fcname (name, font); |
ef18374f KH |
1557 | } |
1558 | ||
35027d0c KH |
1559 | |
1560 | /* Merge FAMILY and REGISTRY into FONT_SPEC. FAMILY may have the form | |
1561 | "FAMILY-FOUNDRY". REGISTRY may not contain charset-encoding | |
1562 | part. */ | |
45eb10fb | 1563 | |
c2f5bfd6 | 1564 | void |
35027d0c KH |
1565 | font_parse_family_registry (family, registry, font_spec) |
1566 | Lisp_Object family, registry, font_spec; | |
c2f5bfd6 | 1567 | { |
35027d0c KH |
1568 | int len; |
1569 | char *p0, *p1; | |
1570 | ||
d0ab1ebe KH |
1571 | if (! NILP (family) |
1572 | && NILP (AREF (font_spec, FONT_FAMILY_INDEX))) | |
c2f5bfd6 | 1573 | { |
35027d0c KH |
1574 | CHECK_STRING (family); |
1575 | len = SBYTES (family); | |
1576 | p0 = (char *) SDATA (family); | |
1577 | p1 = index (p0, '-'); | |
1578 | if (p1) | |
c2f5bfd6 | 1579 | { |
d0ab1ebe KH |
1580 | if ((*p0 != '*' || p1 - p0 > 1) |
1581 | && NILP (AREF (font_spec, FONT_FOUNDRY_INDEX))) | |
aa50ca2f | 1582 | Ffont_put (font_spec, QCfoundry, font_intern_prop (p0, p1 - p0)); |
35027d0c KH |
1583 | p1++; |
1584 | len -= p1 - p0; | |
aa50ca2f | 1585 | Ffont_put (font_spec, QCfamily, font_intern_prop (p1, len)); |
c2f5bfd6 | 1586 | } |
35027d0c KH |
1587 | else |
1588 | ASET (font_spec, FONT_FAMILY_INDEX, Fintern (family, Qnil)); | |
c2f5bfd6 | 1589 | } |
35027d0c | 1590 | if (! NILP (registry)) |
c2f5bfd6 | 1591 | { |
35027d0c KH |
1592 | /* Convert "XXX" and "XXX*" to "XXX*-*". */ |
1593 | CHECK_STRING (registry); | |
1594 | len = SBYTES (registry); | |
1595 | p0 = (char *) SDATA (registry); | |
1596 | p1 = index (p0, '-'); | |
1597 | if (! p1) | |
c2f5bfd6 | 1598 | { |
35027d0c KH |
1599 | if (SDATA (registry)[len - 1] == '*') |
1600 | registry = concat2 (registry, build_string ("-*")); | |
1601 | else | |
1602 | registry = concat2 (registry, build_string ("*-*")); | |
c2f5bfd6 | 1603 | } |
35027d0c KH |
1604 | registry = Fdowncase (registry); |
1605 | ASET (font_spec, FONT_REGISTRY_INDEX, Fintern (registry, Qnil)); | |
c2f5bfd6 KH |
1606 | } |
1607 | } | |
1608 | ||
45eb10fb | 1609 | \f |
35027d0c KH |
1610 | /* This part (through the next ^L) is still experimental and not |
1611 | tested much. We may drastically change codes. */ | |
10d16101 | 1612 | |
45eb10fb | 1613 | /* OTF handler */ |
10d16101 | 1614 | |
6a3dadd2 KH |
1615 | #if 0 |
1616 | ||
e950d6f1 KH |
1617 | #define LGSTRING_HEADER_SIZE 6 |
1618 | #define LGSTRING_GLYPH_SIZE 8 | |
1619 | ||
1620 | static int | |
1621 | check_gstring (gstring) | |
1622 | Lisp_Object gstring; | |
1623 | { | |
1624 | Lisp_Object val; | |
1625 | int i, j; | |
1626 | ||
1627 | CHECK_VECTOR (gstring); | |
1628 | val = AREF (gstring, 0); | |
1629 | CHECK_VECTOR (val); | |
1630 | if (ASIZE (val) < LGSTRING_HEADER_SIZE) | |
1631 | goto err; | |
1632 | CHECK_FONT_OBJECT (LGSTRING_FONT (gstring)); | |
f9ffa1ea SM |
1633 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_LBEARING))) |
1634 | CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_LBEARING)); | |
1635 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_RBEARING))) | |
1636 | CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_RBEARING)); | |
1637 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_WIDTH))) | |
1638 | CHECK_NATNUM (LGSTRING_SLOT (gstring, LGSTRING_IX_WIDTH)); | |
1639 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT))) | |
1640 | CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT)); | |
1641 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT))) | |
1642 | CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT)); | |
e950d6f1 KH |
1643 | |
1644 | for (i = 0; i < LGSTRING_LENGTH (gstring); i++) | |
1645 | { | |
1646 | val = LGSTRING_GLYPH (gstring, i); | |
1647 | CHECK_VECTOR (val); | |
1648 | if (ASIZE (val) < LGSTRING_GLYPH_SIZE) | |
1649 | goto err; | |
f9ffa1ea | 1650 | if (NILP (AREF (val, LGLYPH_IX_CHAR))) |
e950d6f1 | 1651 | break; |
f9ffa1ea SM |
1652 | CHECK_NATNUM (AREF (val, LGLYPH_IX_FROM)); |
1653 | CHECK_NATNUM (AREF (val, LGLYPH_IX_TO)); | |
1654 | CHECK_CHARACTER (AREF (val, LGLYPH_IX_CHAR)); | |
1655 | if (!NILP (AREF (val, LGLYPH_IX_CODE))) | |
1656 | CHECK_NATNUM (AREF (val, LGLYPH_IX_CODE)); | |
1657 | if (!NILP (AREF (val, LGLYPH_IX_WIDTH))) | |
1658 | CHECK_NATNUM (AREF (val, LGLYPH_IX_WIDTH)); | |
1659 | if (!NILP (AREF (val, LGLYPH_IX_ADJUSTMENT))) | |
e950d6f1 | 1660 | { |
f9ffa1ea | 1661 | val = AREF (val, LGLYPH_IX_ADJUSTMENT); |
e950d6f1 KH |
1662 | CHECK_VECTOR (val); |
1663 | if (ASIZE (val) < 3) | |
1664 | goto err; | |
1665 | for (j = 0; j < 3; j++) | |
1666 | CHECK_NUMBER (AREF (val, j)); | |
1667 | } | |
1668 | } | |
1669 | return i; | |
1670 | err: | |
1671 | error ("Invalid glyph-string format"); | |
1672 | return -1; | |
1673 | } | |
1674 | ||
cf385d93 KH |
1675 | static void |
1676 | check_otf_features (otf_features) | |
1677 | Lisp_Object otf_features; | |
1678 | { | |
35027d0c | 1679 | Lisp_Object val; |
cf385d93 KH |
1680 | |
1681 | CHECK_CONS (otf_features); | |
1682 | CHECK_SYMBOL (XCAR (otf_features)); | |
1683 | otf_features = XCDR (otf_features); | |
1684 | CHECK_CONS (otf_features); | |
1685 | CHECK_SYMBOL (XCAR (otf_features)); | |
1686 | otf_features = XCDR (otf_features); | |
1687 | for (val = Fcar (otf_features); ! NILP (val); val = Fcdr (val)) | |
1688 | { | |
1689 | CHECK_SYMBOL (Fcar (val)); | |
1690 | if (SBYTES (SYMBOL_NAME (XCAR (val))) > 4) | |
1691 | error ("Invalid OTF GSUB feature: %s", SYMBOL_NAME (XCAR (val))); | |
1692 | } | |
1693 | otf_features = XCDR (otf_features); | |
1694 | for (val = Fcar (otf_features); ! NILP (val); val = Fcdr (val)) | |
1695 | { | |
1696 | CHECK_SYMBOL (Fcar (val)); | |
1697 | if (SBYTES (SYMBOL_NAME (XCAR (val))) > 4) | |
1698 | error ("Invalid OTF GPOS feature: %s", SYMBOL_NAME (XCAR (val))); | |
1699 | } | |
1700 | } | |
1701 | ||
c2f5bfd6 KH |
1702 | #ifdef HAVE_LIBOTF |
1703 | #include <otf.h> | |
1704 | ||
733fd013 | 1705 | Lisp_Object otf_list; |
c2f5bfd6 KH |
1706 | |
1707 | static Lisp_Object | |
1708 | otf_tag_symbol (tag) | |
1709 | OTF_Tag tag; | |
1710 | { | |
1711 | char name[5]; | |
1712 | ||
1713 | OTF_tag_name (tag, name); | |
1714 | return Fintern (make_unibyte_string (name, 4), Qnil); | |
1715 | } | |
1716 | ||
1717 | static OTF * | |
35027d0c KH |
1718 | otf_open (file) |
1719 | Lisp_Object file; | |
c2f5bfd6 | 1720 | { |
35027d0c | 1721 | Lisp_Object val = Fassoc (file, otf_list); |
733fd013 KH |
1722 | OTF *otf; |
1723 | ||
1724 | if (! NILP (val)) | |
1725 | otf = XSAVE_VALUE (XCDR (val))->pointer; | |
1726 | else | |
c2f5bfd6 | 1727 | { |
35027d0c | 1728 | otf = STRINGP (file) ? OTF_open ((char *) SDATA (file)) : NULL; |
733fd013 | 1729 | val = make_save_value (otf, 0); |
35027d0c | 1730 | otf_list = Fcons (Fcons (file, val), otf_list); |
c2f5bfd6 | 1731 | } |
733fd013 | 1732 | return otf; |
c2f5bfd6 KH |
1733 | } |
1734 | ||
1735 | ||
1736 | /* Return a list describing which scripts/languages FONT supports by | |
1737 | which GSUB/GPOS features of OpenType tables. See the comment of | |
51c01100 | 1738 | (struct font_driver).otf_capability. */ |
c2f5bfd6 KH |
1739 | |
1740 | Lisp_Object | |
1741 | font_otf_capability (font) | |
1742 | struct font *font; | |
1743 | { | |
1744 | OTF *otf; | |
1745 | Lisp_Object capability = Fcons (Qnil, Qnil); | |
1746 | int i; | |
1747 | ||
35027d0c | 1748 | otf = otf_open (font->props[FONT_FILE_INDEX]); |
c2f5bfd6 KH |
1749 | if (! otf) |
1750 | return Qnil; | |
1751 | for (i = 0; i < 2; i++) | |
1752 | { | |
1753 | OTF_GSUB_GPOS *gsub_gpos; | |
1754 | Lisp_Object script_list = Qnil; | |
1755 | int j; | |
1756 | ||
1757 | if (OTF_get_features (otf, i == 0) < 0) | |
1758 | continue; | |
1759 | gsub_gpos = i == 0 ? otf->gsub : otf->gpos; | |
1760 | for (j = gsub_gpos->ScriptList.ScriptCount - 1; j >= 0; j--) | |
1761 | { | |
1762 | OTF_Script *script = gsub_gpos->ScriptList.Script + j; | |
1763 | Lisp_Object langsys_list = Qnil; | |
1764 | Lisp_Object script_tag = otf_tag_symbol (script->ScriptTag); | |
1765 | int k; | |
1766 | ||
1767 | for (k = script->LangSysCount; k >= 0; k--) | |
1768 | { | |
1769 | OTF_LangSys *langsys; | |
1770 | Lisp_Object feature_list = Qnil; | |
1771 | Lisp_Object langsys_tag; | |
1772 | int l; | |
1773 | ||
e80e09b4 | 1774 | if (k == script->LangSysCount) |
c2f5bfd6 KH |
1775 | { |
1776 | langsys = &script->DefaultLangSys; | |
1777 | langsys_tag = Qnil; | |
1778 | } | |
1779 | else | |
1780 | { | |
1781 | langsys = script->LangSys + k; | |
1782 | langsys_tag | |
1783 | = otf_tag_symbol (script->LangSysRecord[k].LangSysTag); | |
1784 | } | |
e80e09b4 | 1785 | for (l = langsys->FeatureCount - 1; l >= 0; l--) |
c2f5bfd6 KH |
1786 | { |
1787 | OTF_Feature *feature | |
1788 | = gsub_gpos->FeatureList.Feature + langsys->FeatureIndex[l]; | |
1789 | Lisp_Object feature_tag | |
1790 | = otf_tag_symbol (feature->FeatureTag); | |
1791 | ||
1792 | feature_list = Fcons (feature_tag, feature_list); | |
1793 | } | |
1794 | langsys_list = Fcons (Fcons (langsys_tag, feature_list), | |
1795 | langsys_list); | |
1796 | } | |
1797 | script_list = Fcons (Fcons (script_tag, langsys_list), | |
1798 | script_list); | |
1799 | } | |
1800 | ||
1801 | if (i == 0) | |
1802 | XSETCAR (capability, script_list); | |
1803 | else | |
1804 | XSETCDR (capability, script_list); | |
1805 | } | |
1806 | ||
1807 | return capability; | |
1808 | } | |
1809 | ||
733fd013 KH |
1810 | /* Parse OTF features in SPEC and write a proper features spec string |
1811 | in FEATURES for the call of OTF_drive_gsub/gpos (of libotf). It is | |
1812 | assured that the sufficient memory has already allocated for | |
1813 | FEATURES. */ | |
1814 | ||
e80e09b4 | 1815 | static void |
733fd013 | 1816 | generate_otf_features (spec, features) |
c2f5bfd6 | 1817 | Lisp_Object spec; |
733fd013 | 1818 | char *features; |
c2f5bfd6 KH |
1819 | { |
1820 | Lisp_Object val; | |
35027d0c | 1821 | char *p; |
c2f5bfd6 KH |
1822 | int asterisk; |
1823 | ||
733fd013 | 1824 | p = features; |
e80e09b4 | 1825 | *p = '\0'; |
c2f5bfd6 KH |
1826 | for (asterisk = 0; CONSP (spec); spec = XCDR (spec)) |
1827 | { | |
1828 | val = XCAR (spec); | |
e80e09b4 KH |
1829 | CHECK_SYMBOL (val); |
1830 | if (p > features) | |
733fd013 | 1831 | *p++ = ','; |
c2f5bfd6 KH |
1832 | if (SREF (SYMBOL_NAME (val), 0) == '*') |
1833 | { | |
1834 | asterisk = 1; | |
e80e09b4 | 1835 | *p++ = '*'; |
c2f5bfd6 KH |
1836 | } |
1837 | else if (! asterisk) | |
e80e09b4 KH |
1838 | { |
1839 | val = SYMBOL_NAME (val); | |
e80e09b4 KH |
1840 | p += sprintf (p, "%s", SDATA (val)); |
1841 | } | |
c2f5bfd6 | 1842 | else |
e80e09b4 KH |
1843 | { |
1844 | val = SYMBOL_NAME (val); | |
e80e09b4 KH |
1845 | p += sprintf (p, "~%s", SDATA (val)); |
1846 | } | |
c2f5bfd6 | 1847 | } |
e80e09b4 KH |
1848 | if (CONSP (spec)) |
1849 | error ("OTF spec too long"); | |
1850 | } | |
1851 | ||
733fd013 KH |
1852 | Lisp_Object |
1853 | font_otf_DeviceTable (device_table) | |
1854 | OTF_DeviceTable *device_table; | |
1855 | { | |
1856 | int len = device_table->StartSize - device_table->EndSize + 1; | |
1857 | ||
1858 | return Fcons (make_number (len), | |
1859 | make_unibyte_string (device_table->DeltaValue, len)); | |
1860 | } | |
1861 | ||
1862 | Lisp_Object | |
1863 | font_otf_ValueRecord (value_format, value_record) | |
1864 | int value_format; | |
1865 | OTF_ValueRecord *value_record; | |
1866 | { | |
1867 | Lisp_Object val = Fmake_vector (make_number (8), Qnil); | |
1868 | ||
1869 | if (value_format & OTF_XPlacement) | |
43c0454d | 1870 | ASET (val, 0, make_number (value_record->XPlacement)); |
733fd013 | 1871 | if (value_format & OTF_YPlacement) |
43c0454d | 1872 | ASET (val, 1, make_number (value_record->YPlacement)); |
733fd013 | 1873 | if (value_format & OTF_XAdvance) |
43c0454d | 1874 | ASET (val, 2, make_number (value_record->XAdvance)); |
733fd013 | 1875 | if (value_format & OTF_YAdvance) |
43c0454d | 1876 | ASET (val, 3, make_number (value_record->YAdvance)); |
733fd013 KH |
1877 | if (value_format & OTF_XPlaDevice) |
1878 | ASET (val, 4, font_otf_DeviceTable (&value_record->XPlaDevice)); | |
1879 | if (value_format & OTF_YPlaDevice) | |
1880 | ASET (val, 4, font_otf_DeviceTable (&value_record->YPlaDevice)); | |
1881 | if (value_format & OTF_XAdvDevice) | |
1882 | ASET (val, 4, font_otf_DeviceTable (&value_record->XAdvDevice)); | |
1883 | if (value_format & OTF_YAdvDevice) | |
1884 | ASET (val, 4, font_otf_DeviceTable (&value_record->YAdvDevice)); | |
1885 | return val; | |
1886 | } | |
1887 | ||
1888 | Lisp_Object | |
1889 | font_otf_Anchor (anchor) | |
1890 | OTF_Anchor *anchor; | |
1891 | { | |
1892 | Lisp_Object val; | |
1893 | ||
1894 | val = Fmake_vector (make_number (anchor->AnchorFormat + 1), Qnil); | |
1895 | ASET (val, 0, make_number (anchor->XCoordinate)); | |
1896 | ASET (val, 1, make_number (anchor->YCoordinate)); | |
1897 | if (anchor->AnchorFormat == 2) | |
1898 | ASET (val, 2, make_number (anchor->f.f1.AnchorPoint)); | |
1899 | else | |
1900 | { | |
1901 | ASET (val, 3, font_otf_DeviceTable (&anchor->f.f2.XDeviceTable)); | |
1902 | ASET (val, 4, font_otf_DeviceTable (&anchor->f.f2.YDeviceTable)); | |
1903 | } | |
1904 | return val; | |
1905 | } | |
c2f5bfd6 | 1906 | #endif /* HAVE_LIBOTF */ |
6a3dadd2 | 1907 | #endif /* 0 */ |
c2f5bfd6 | 1908 | |
e80e09b4 KH |
1909 | /* G-string (glyph string) handler */ |
1910 | ||
1911 | /* G-string is a vector of the form [HEADER GLYPH ...]. | |
1912 | See the docstring of `font-make-gstring' for more detail. */ | |
c2f5bfd6 KH |
1913 | |
1914 | struct font * | |
1701724c | 1915 | font_prepare_composition (cmp, f) |
c2f5bfd6 | 1916 | struct composition *cmp; |
1701724c | 1917 | FRAME_PTR f; |
c2f5bfd6 KH |
1918 | { |
1919 | Lisp_Object gstring | |
1920 | = AREF (XHASH_TABLE (composition_hash_table)->key_and_value, | |
1921 | cmp->hash_index * 2); | |
c2f5bfd6 | 1922 | |
35027d0c | 1923 | cmp->font = XFONT_OBJECT (LGSTRING_FONT (gstring)); |
1701724c KH |
1924 | cmp->glyph_len = LGSTRING_LENGTH (gstring); |
1925 | cmp->pixel_width = LGSTRING_WIDTH (gstring); | |
1926 | cmp->lbearing = LGSTRING_LBEARING (gstring); | |
1927 | cmp->rbearing = LGSTRING_RBEARING (gstring); | |
1928 | cmp->ascent = LGSTRING_ASCENT (gstring); | |
1929 | cmp->descent = LGSTRING_DESCENT (gstring); | |
1930 | cmp->width = cmp->pixel_width / FRAME_COLUMN_WIDTH (f); | |
1931 | if (cmp->width == 0) | |
1932 | cmp->width = 1; | |
c2f5bfd6 | 1933 | |
1701724c | 1934 | return cmp->font; |
c2f5bfd6 KH |
1935 | } |
1936 | ||
c2f5bfd6 KH |
1937 | \f |
1938 | /* Font sorting */ | |
1939 | ||
35027d0c | 1940 | static unsigned font_score P_ ((Lisp_Object, Lisp_Object *, Lisp_Object)); |
c2f5bfd6 KH |
1941 | static int font_compare P_ ((const void *, const void *)); |
1942 | static Lisp_Object font_sort_entites P_ ((Lisp_Object, Lisp_Object, | |
35027d0c KH |
1943 | Lisp_Object, Lisp_Object, |
1944 | int)); | |
c2f5bfd6 KH |
1945 | |
1946 | /* We sort fonts by scoring each of them against a specified | |
1947 | font-spec. The score value is 32 bit (`unsigned'), and the smaller | |
1948 | the value is, the closer the font is to the font-spec. | |
1949 | ||
35027d0c KH |
1950 | The highest 2 bits of the score is used for FAMILY. The exact |
1951 | match is 0, match with one of face-font-family-alternatives is | |
1952 | nonzero. | |
1953 | ||
1954 | The next 2 bits of the score is used for the atomic properties | |
1955 | FOUNDRY and ADSTYLE respectively. | |
c2f5bfd6 | 1956 | |
35027d0c | 1957 | Each 7-bit in the lower 28 bits are used for numeric properties |
c2f5bfd6 KH |
1958 | WEIGHT, SLANT, WIDTH, and SIZE. */ |
1959 | ||
1960 | /* How many bits to shift to store the difference value of each font | |
35027d0c KH |
1961 | property in a score. Note that flots for FONT_TYPE_INDEX and |
1962 | FONT_REGISTRY_INDEX are not used. */ | |
c2f5bfd6 KH |
1963 | static int sort_shift_bits[FONT_SIZE_INDEX + 1]; |
1964 | ||
9331887d KH |
1965 | /* Score font-entity ENTITY against properties of font-spec SPEC_PROP. |
1966 | The return value indicates how different ENTITY is compared with | |
35027d0c KH |
1967 | SPEC_PROP. |
1968 | ||
1969 | ALTERNATE_FAMILIES, if non-nil, is a pre-calculated list of | |
1970 | alternate family names for AREF (SPEC_PROP, FONT_FAMILY_INDEX). */ | |
c2f5bfd6 KH |
1971 | |
1972 | static unsigned | |
35027d0c | 1973 | font_score (entity, spec_prop, alternate_families) |
9331887d | 1974 | Lisp_Object entity, *spec_prop; |
35027d0c | 1975 | Lisp_Object alternate_families; |
c2f5bfd6 KH |
1976 | { |
1977 | unsigned score = 0; | |
1978 | int i; | |
c2f5bfd6 | 1979 | |
35027d0c KH |
1980 | /* Score three atomic fields. Maximum difference is 1 (family is 3). */ |
1981 | for (i = FONT_FOUNDRY_INDEX; i <= FONT_ADSTYLE_INDEX; i++) | |
1982 | if (i != FONT_REGISTRY_INDEX | |
1983 | && ! NILP (spec_prop[i]) && ! EQ (AREF (entity, i), spec_prop[i])) | |
1984 | { | |
1985 | Lisp_Object entity_str = SYMBOL_NAME (AREF (entity, i)); | |
1986 | Lisp_Object spec_str = SYMBOL_NAME (spec_prop[i]); | |
9ba6fd41 | 1987 | |
72606e45 | 1988 | if (xstrcasecmp (SDATA (spec_str), SDATA (entity_str))) |
35027d0c KH |
1989 | { |
1990 | if (i == FONT_FAMILY_INDEX && CONSP (alternate_families)) | |
1991 | { | |
1992 | int j; | |
1993 | ||
1994 | for (j = 1; CONSP (alternate_families); | |
027a33c0 | 1995 | j++, alternate_families = XCDR (alternate_families)) |
35027d0c KH |
1996 | { |
1997 | spec_str = XCAR (alternate_families); | |
72606e45 | 1998 | if (xstrcasecmp (SDATA (spec_str), SDATA (entity_str)) == 0) |
35027d0c | 1999 | break; |
35027d0c KH |
2000 | } |
2001 | if (j > 3) | |
2002 | j = 3; | |
2003 | score |= j << sort_shift_bits[i]; | |
2004 | } | |
2005 | else | |
2006 | score |= 1 << sort_shift_bits[i]; | |
2007 | } | |
2008 | } | |
c2f5bfd6 | 2009 | |
35027d0c KH |
2010 | /* Score three style numeric fields. Maximum difference is 127. */ |
2011 | for (i = FONT_WEIGHT_INDEX; i <= FONT_WIDTH_INDEX; i++) | |
2012 | if (! NILP (spec_prop[i]) && ! EQ (AREF (entity, i), spec_prop[i])) | |
2013 | { | |
2014 | int diff = (XINT (AREF (entity, i)) >> 8) - (XINT (spec_prop[i]) >> 8); | |
2015 | ||
2016 | if (diff < 0) | |
2017 | diff = - diff; | |
2018 | /* This is to prefer the exact symbol style. */ | |
2019 | diff++; | |
2020 | score |= min (diff, 127) << sort_shift_bits[i]; | |
2021 | } | |
2022 | ||
2023 | /* Score the size. Maximum difference is 127. */ | |
2024 | i = FONT_SIZE_INDEX; | |
2025 | if (! NILP (spec_prop[i]) && ! EQ (AREF (entity, i), spec_prop[i]) | |
2026 | && XINT (AREF (entity, i)) > 0) | |
2027 | { | |
2028 | /* We use the higher 6-bit for the actual size difference. The | |
2029 | lowest bit is set if the DPI is different. */ | |
2030 | int diff = XINT (spec_prop[i]) - XINT (AREF (entity, i)); | |
2031 | ||
2032 | if (diff < 0) | |
2033 | diff = - diff; | |
d0ab1ebe | 2034 | diff <<= 1; |
35027d0c KH |
2035 | if (! NILP (spec_prop[FONT_DPI_INDEX]) |
2036 | && ! EQ (spec_prop[FONT_DPI_INDEX], AREF (entity, FONT_DPI_INDEX))) | |
2037 | diff |= 1; | |
2038 | score |= min (diff, 127) << sort_shift_bits[FONT_SIZE_INDEX]; | |
c2f5bfd6 KH |
2039 | } |
2040 | ||
2041 | return score; | |
2042 | } | |
2043 | ||
2044 | ||
2045 | /* The comparison function for qsort. */ | |
2046 | ||
2047 | static int | |
2048 | font_compare (d1, d2) | |
2049 | const void *d1, *d2; | |
2050 | { | |
35027d0c | 2051 | return (*(unsigned *) d1 - *(unsigned *) d2); |
c2f5bfd6 KH |
2052 | } |
2053 | ||
2054 | ||
2055 | /* The structure for elements being sorted by qsort. */ | |
2056 | struct font_sort_data | |
2057 | { | |
2058 | unsigned score; | |
2059 | Lisp_Object entity; | |
2060 | }; | |
2061 | ||
2062 | ||
2063 | /* Sort font-entities in vector VEC by closeness to font-spec PREFER. | |
2064 | If PREFER specifies a point-size, calculate the corresponding | |
9331887d KH |
2065 | pixel-size from QCdpi property of PREFER or from the Y-resolution |
2066 | of FRAME before sorting. If SPEC is not nil, it is a font-spec to | |
35027d0c KH |
2067 | get the font-entities in VEC. |
2068 | ||
2069 | If BEST-ONLY is nonzero, return the best matching entity. Otherwise, | |
2070 | return the sorted VEC. */ | |
c2f5bfd6 KH |
2071 | |
2072 | static Lisp_Object | |
35027d0c | 2073 | font_sort_entites (vec, prefer, frame, spec, best_only) |
c2f5bfd6 | 2074 | Lisp_Object vec, prefer, frame, spec; |
35027d0c | 2075 | int best_only; |
c2f5bfd6 | 2076 | { |
9331887d | 2077 | Lisp_Object prefer_prop[FONT_SPEC_MAX]; |
c2f5bfd6 KH |
2078 | int len, i; |
2079 | struct font_sort_data *data; | |
35027d0c KH |
2080 | Lisp_Object alternate_families = Qnil; |
2081 | unsigned best_score; | |
2082 | Lisp_Object best_entity; | |
c2f5bfd6 KH |
2083 | USE_SAFE_ALLOCA; |
2084 | ||
2085 | len = ASIZE (vec); | |
2086 | if (len <= 1) | |
35027d0c | 2087 | return best_only ? AREF (vec, 0) : vec; |
c2f5bfd6 | 2088 | |
35027d0c | 2089 | for (i = FONT_FOUNDRY_INDEX; i <= FONT_DPI_INDEX; i++) |
9331887d | 2090 | prefer_prop[i] = AREF (prefer, i); |
c2f5bfd6 KH |
2091 | |
2092 | if (! NILP (spec)) | |
2093 | { | |
35027d0c KH |
2094 | /* A font driver may return a font that has a property value |
2095 | different from the value specified in SPEC if the driver | |
2096 | thinks they are the same. That happens, for instance, such a | |
2097 | generic family name as "serif" is specified. So, to ignore | |
2098 | such a difference, for all properties specified in SPEC, set | |
2099 | the corresponding properties in PREFER_PROP to nil. */ | |
2100 | for (i = FONT_FOUNDRY_INDEX; i <= FONT_REGISTRY_INDEX; i++) | |
9331887d | 2101 | if (! NILP (AREF (spec, i))) |
35027d0c | 2102 | prefer_prop[i] = Qnil; |
c2f5bfd6 KH |
2103 | } |
2104 | ||
9331887d KH |
2105 | if (FLOATP (prefer_prop[FONT_SIZE_INDEX])) |
2106 | prefer_prop[FONT_SIZE_INDEX] | |
2107 | = make_number (font_pixel_size (XFRAME (frame), prefer)); | |
35027d0c KH |
2108 | if (! NILP (prefer_prop[FONT_FAMILY_INDEX])) |
2109 | { | |
2110 | alternate_families | |
2111 | = Fassoc_string (prefer_prop[FONT_FAMILY_INDEX], | |
2112 | Vface_alternative_font_family_alist, Qt); | |
2113 | if (CONSP (alternate_families)) | |
2114 | alternate_families = XCDR (alternate_families); | |
2115 | } | |
9331887d | 2116 | |
c2f5bfd6 KH |
2117 | /* Scoring and sorting. */ |
2118 | SAFE_ALLOCA (data, struct font_sort_data *, (sizeof *data) * len); | |
35027d0c KH |
2119 | best_score = 0xFFFFFFFF; |
2120 | best_entity = Qnil; | |
c2f5bfd6 KH |
2121 | for (i = 0; i < len; i++) |
2122 | { | |
2123 | data[i].entity = AREF (vec, i); | |
35027d0c KH |
2124 | data[i].score = font_score (data[i].entity, prefer_prop, |
2125 | alternate_families); | |
2126 | if (best_only && best_score > data[i].score) | |
2127 | { | |
2128 | best_score = data[i].score; | |
2129 | best_entity = data[i].entity; | |
2130 | if (best_score == 0) | |
2131 | break; | |
2132 | } | |
c2f5bfd6 | 2133 | } |
35027d0c KH |
2134 | if (NILP (best_entity)) |
2135 | { | |
2136 | qsort (data, len, sizeof *data, font_compare); | |
2137 | for (i = 0; i < len; i++) | |
2138 | ASET (vec, i, data[i].entity); | |
2139 | } | |
2140 | else | |
2141 | vec = best_entity; | |
c2f5bfd6 KH |
2142 | SAFE_FREE (); |
2143 | ||
d0ab1ebe | 2144 | font_add_log ("sort-by", prefer, vec); |
c2f5bfd6 KH |
2145 | return vec; |
2146 | } | |
2147 | ||
2148 | \f | |
2149 | /* API of Font Service Layer. */ | |
2150 | ||
45eb10fb KH |
2151 | /* Reflect ORDER (see the variable font_sort_order in xfaces.c) to |
2152 | sort_shift_bits. Finternal_set_font_selection_order calls this | |
2153 | function with font_sort_order after setting up it. */ | |
2154 | ||
c2f5bfd6 KH |
2155 | void |
2156 | font_update_sort_order (order) | |
2157 | int *order; | |
2158 | { | |
35027d0c | 2159 | int i, shift_bits; |
c2f5bfd6 | 2160 | |
35027d0c | 2161 | for (i = 0, shift_bits = 21; i < 4; i++, shift_bits -= 7) |
c2f5bfd6 KH |
2162 | { |
2163 | int xlfd_idx = order[i]; | |
2164 | ||
2165 | if (xlfd_idx == XLFD_WEIGHT_INDEX) | |
2166 | sort_shift_bits[FONT_WEIGHT_INDEX] = shift_bits; | |
2167 | else if (xlfd_idx == XLFD_SLANT_INDEX) | |
2168 | sort_shift_bits[FONT_SLANT_INDEX] = shift_bits; | |
2169 | else if (xlfd_idx == XLFD_SWIDTH_INDEX) | |
2170 | sort_shift_bits[FONT_WIDTH_INDEX] = shift_bits; | |
2171 | else | |
2172 | sort_shift_bits[FONT_SIZE_INDEX] = shift_bits; | |
2173 | } | |
2174 | } | |
2175 | ||
45eb10fb | 2176 | |
45eb10fb KH |
2177 | /* Check if ENTITY matches with the font specification SPEC. */ |
2178 | ||
ef18374f KH |
2179 | int |
2180 | font_match_p (spec, entity) | |
2181 | Lisp_Object spec, entity; | |
2182 | { | |
35027d0c KH |
2183 | Lisp_Object prefer_prop[FONT_SPEC_MAX]; |
2184 | Lisp_Object alternate_families = Qnil; | |
ef18374f KH |
2185 | int i; |
2186 | ||
35027d0c KH |
2187 | for (i = FONT_FOUNDRY_INDEX; i <= FONT_SIZE_INDEX; i++) |
2188 | prefer_prop[i] = AREF (spec, i); | |
2189 | if (FLOATP (prefer_prop[FONT_SIZE_INDEX])) | |
2190 | prefer_prop[FONT_SIZE_INDEX] | |
2191 | = make_number (font_pixel_size (XFRAME (selected_frame), spec)); | |
2192 | if (! NILP (prefer_prop[FONT_FAMILY_INDEX])) | |
2193 | { | |
2194 | alternate_families | |
2195 | = Fassoc_string (prefer_prop[FONT_FAMILY_INDEX], | |
2196 | Vface_alternative_font_family_alist, Qt); | |
2197 | if (CONSP (alternate_families)) | |
2198 | alternate_families = XCDR (alternate_families); | |
2199 | } | |
2200 | ||
2201 | return (font_score (entity, prefer_prop, alternate_families) == 0); | |
ef18374f KH |
2202 | } |
2203 | ||
45eb10fb | 2204 | |
35027d0c | 2205 | /* CHeck a lispy font object corresponding to FONT. */ |
45eb10fb | 2206 | |
35027d0c KH |
2207 | int |
2208 | font_check_object (font) | |
c2f5bfd6 KH |
2209 | struct font *font; |
2210 | { | |
2211 | Lisp_Object tail, elt; | |
2212 | ||
35027d0c | 2213 | for (tail = font->props[FONT_OBJLIST_INDEX]; CONSP (tail); |
c2f5bfd6 KH |
2214 | tail = XCDR (tail)) |
2215 | { | |
2216 | elt = XCAR (tail); | |
35027d0c KH |
2217 | if (font == XFONT_OBJECT (elt)) |
2218 | return 1; | |
c2f5bfd6 | 2219 | } |
35027d0c | 2220 | return 0; |
c2f5bfd6 KH |
2221 | } |
2222 | ||
ca4da08a | 2223 | \f |
819e81df | 2224 | |
ca4da08a KH |
2225 | /* Font cache |
2226 | ||
2227 | Each font backend has the callback function get_cache, and it | |
2228 | returns a cons cell of which cdr part can be freely used for | |
2229 | caching fonts. The cons cell may be shared by multiple frames | |
2230 | and/or multiple font drivers. So, we arrange the cdr part as this: | |
2231 | ||
2232 | ((DRIVER-TYPE NUM-FRAMES FONT-CACHE-DATA ...) ...) | |
2233 | ||
2234 | where DRIVER-TYPE is a symbol such as `x', `xft', etc., NUM-FRAMES | |
2235 | is a number frames sharing this cache, and FONT-CACHE-DATA is a | |
2236 | cons (FONT-SPEC FONT-ENTITY ...). */ | |
2237 | ||
2238 | static void font_prepare_cache P_ ((FRAME_PTR, struct font_driver *)); | |
2239 | static void font_finish_cache P_ ((FRAME_PTR, struct font_driver *)); | |
2240 | static Lisp_Object font_get_cache P_ ((FRAME_PTR, struct font_driver *)); | |
2241 | static void font_clear_cache P_ ((FRAME_PTR, Lisp_Object, | |
2242 | struct font_driver *)); | |
2243 | ||
2244 | static void | |
2245 | font_prepare_cache (f, driver) | |
2246 | FRAME_PTR f; | |
2247 | struct font_driver *driver; | |
2248 | { | |
2249 | Lisp_Object cache, val; | |
2250 | ||
2251 | cache = driver->get_cache (f); | |
2252 | val = XCDR (cache); | |
2253 | while (CONSP (val) && ! EQ (XCAR (XCAR (val)), driver->type)) | |
2254 | val = XCDR (val); | |
2255 | if (NILP (val)) | |
2256 | { | |
2257 | val = Fcons (driver->type, Fcons (make_number (1), Qnil)); | |
2258 | XSETCDR (cache, Fcons (val, XCDR (cache))); | |
2259 | } | |
2260 | else | |
2261 | { | |
2262 | val = XCDR (XCAR (val)); | |
2263 | XSETCAR (val, make_number (XINT (XCAR (val)) + 1)); | |
2264 | } | |
2265 | } | |
2266 | ||
43c0454d | 2267 | |
ca4da08a KH |
2268 | static void |
2269 | font_finish_cache (f, driver) | |
2270 | FRAME_PTR f; | |
2271 | struct font_driver *driver; | |
2272 | { | |
2273 | Lisp_Object cache, val, tmp; | |
2274 | ||
2275 | ||
2276 | cache = driver->get_cache (f); | |
2277 | val = XCDR (cache); | |
2278 | while (CONSP (val) && ! EQ (XCAR (XCAR (val)), driver->type)) | |
2279 | cache = val, val = XCDR (val); | |
d0ab1ebe | 2280 | font_assert (! NILP (val)); |
ca4da08a | 2281 | tmp = XCDR (XCAR (val)); |
43c0454d | 2282 | XSETCAR (tmp, make_number (XINT (XCAR (tmp)) - 1)); |
ca4da08a KH |
2283 | if (XINT (XCAR (tmp)) == 0) |
2284 | { | |
2285 | font_clear_cache (f, XCAR (val), driver); | |
2286 | XSETCDR (cache, XCDR (val)); | |
2287 | } | |
ca4da08a KH |
2288 | } |
2289 | ||
43c0454d | 2290 | |
ca4da08a KH |
2291 | static Lisp_Object |
2292 | font_get_cache (f, driver) | |
2293 | FRAME_PTR f; | |
2294 | struct font_driver *driver; | |
2295 | { | |
2296 | Lisp_Object val = driver->get_cache (f); | |
2297 | Lisp_Object type = driver->type; | |
2298 | ||
d0ab1ebe | 2299 | font_assert (CONSP (val)); |
ca4da08a | 2300 | for (val = XCDR (val); ! EQ (XCAR (XCAR (val)), type); val = XCDR (val)); |
d0ab1ebe | 2301 | font_assert (CONSP (val)); |
ca4da08a KH |
2302 | /* VAL = ((DRIVER-TYPE NUM-FRAMES FONT-CACHE-DATA ...) ...) */ |
2303 | val = XCDR (XCAR (val)); | |
2304 | return val; | |
2305 | } | |
2306 | ||
43c0454d KH |
2307 | static int num_fonts; |
2308 | ||
ca4da08a KH |
2309 | static void |
2310 | font_clear_cache (f, cache, driver) | |
2311 | FRAME_PTR f; | |
2312 | Lisp_Object cache; | |
2313 | struct font_driver *driver; | |
2314 | { | |
2315 | Lisp_Object tail, elt; | |
51c01100 | 2316 | |
ca4da08a KH |
2317 | /* CACHE = (DRIVER-TYPE NUM-FRAMES FONT-CACHE-DATA ...) */ |
2318 | for (tail = XCDR (XCDR (cache)); CONSP (tail); tail = XCDR (tail)) | |
2319 | { | |
2320 | elt = XCAR (tail); | |
be9442ad | 2321 | if (CONSP (elt) && FONT_SPEC_P (XCAR (elt)) && VECTORP (XCDR (elt))) |
ca4da08a KH |
2322 | { |
2323 | Lisp_Object vec = XCDR (elt); | |
2324 | int i; | |
2325 | ||
2326 | for (i = 0; i < ASIZE (vec); i++) | |
2327 | { | |
2328 | Lisp_Object entity = AREF (vec, i); | |
2329 | ||
2330 | if (EQ (driver->type, AREF (entity, FONT_TYPE_INDEX))) | |
2331 | { | |
2332 | Lisp_Object objlist = AREF (entity, FONT_OBJLIST_INDEX); | |
2333 | ||
2334 | for (; CONSP (objlist); objlist = XCDR (objlist)) | |
2335 | { | |
2336 | Lisp_Object val = XCAR (objlist); | |
35027d0c | 2337 | struct font *font = XFONT_OBJECT (val); |
ca4da08a | 2338 | |
d0ab1ebe | 2339 | font_assert (font && driver == font->driver); |
ca4da08a | 2340 | driver->close (f, font); |
43c0454d | 2341 | num_fonts--; |
ca4da08a KH |
2342 | } |
2343 | if (driver->free_entity) | |
2344 | driver->free_entity (entity); | |
2345 | } | |
2346 | } | |
2347 | } | |
2348 | } | |
2349 | XSETCDR (cache, Qnil); | |
2350 | } | |
2351 | \f | |
2352 | ||
c2f5bfd6 KH |
2353 | static Lisp_Object scratch_font_spec, scratch_font_prefer; |
2354 | ||
35027d0c KH |
2355 | Lisp_Object |
2356 | font_delete_unmatched (list, spec, size) | |
2357 | Lisp_Object list, spec; | |
2358 | int size; | |
2359 | { | |
d0ab1ebe | 2360 | Lisp_Object entity, val; |
35027d0c | 2361 | enum font_property_index prop; |
45eb10fb | 2362 | |
d0ab1ebe | 2363 | for (val = Qnil; CONSP (list); list = XCDR (list)) |
35027d0c | 2364 | { |
d0ab1ebe | 2365 | entity = XCAR (list); |
35027d0c KH |
2366 | for (prop = FONT_WEIGHT_INDEX; prop < FONT_SIZE_INDEX; prop++) |
2367 | if (INTEGERP (AREF (spec, prop)) | |
2368 | && ((XINT (AREF (spec, prop)) >> 8) | |
2369 | != (XINT (AREF (entity, prop)) >> 8))) | |
2370 | prop = FONT_SPEC_MAX; | |
2371 | if (prop++ <= FONT_SIZE_INDEX | |
2372 | && size | |
2373 | && XINT (AREF (entity, FONT_SIZE_INDEX)) > 0) | |
2374 | { | |
2375 | int diff = XINT (AREF (entity, FONT_SIZE_INDEX)) - size; | |
c2f5bfd6 | 2376 | |
35027d0c KH |
2377 | if (diff != 0 |
2378 | && (diff < 0 ? -diff > FONT_PIXEL_SIZE_QUANTUM | |
2379 | : diff > FONT_PIXEL_SIZE_QUANTUM)) | |
2380 | prop = FONT_SPEC_MAX; | |
2381 | } | |
35027d0c | 2382 | if (prop < FONT_SPEC_MAX) |
d0ab1ebe | 2383 | val = Fcons (entity, val); |
35027d0c | 2384 | } |
d0ab1ebe | 2385 | return val; |
35027d0c KH |
2386 | } |
2387 | ||
2388 | ||
2389 | /* Return a vector of font-entities matching with SPEC on FRAME. */ | |
2390 | ||
2391 | Lisp_Object | |
c2f5bfd6 KH |
2392 | font_list_entities (frame, spec) |
2393 | Lisp_Object frame, spec; | |
2394 | { | |
2395 | FRAME_PTR f = XFRAME (frame); | |
2396 | struct font_driver_list *driver_list = f->font_driver_list; | |
d0ab1ebe | 2397 | Lisp_Object ftype, family, alternate_familes, val; |
35027d0c KH |
2398 | Lisp_Object *vec; |
2399 | int size; | |
2400 | int need_filtering = 0; | |
2401 | int n_family = 1; | |
c2f5bfd6 KH |
2402 | int i; |
2403 | ||
d0ab1ebe | 2404 | font_assert (FONT_SPEC_P (spec)); |
c2f5bfd6 KH |
2405 | |
2406 | family = AREF (spec, FONT_FAMILY_INDEX); | |
2407 | if (NILP (family)) | |
2408 | alternate_familes = Qnil; | |
2409 | else | |
2410 | { | |
027a33c0 | 2411 | alternate_familes = Fassoc_string (family, |
35027d0c KH |
2412 | Vface_alternative_font_family_alist, |
2413 | Qt); | |
c2f5bfd6 KH |
2414 | if (! NILP (alternate_familes)) |
2415 | alternate_familes = XCDR (alternate_familes); | |
35027d0c | 2416 | n_family += XINT (Flength (alternate_familes)); |
c2f5bfd6 | 2417 | } |
a9262bb8 | 2418 | |
35027d0c KH |
2419 | if (INTEGERP (AREF (spec, FONT_SIZE_INDEX))) |
2420 | size = XINT (AREF (spec, FONT_SIZE_INDEX)); | |
2421 | else if (FLOATP (AREF (spec, FONT_SIZE_INDEX))) | |
2422 | size = font_pixel_size (f, spec); | |
2423 | else | |
2424 | size = 0; | |
2425 | ||
c2f5bfd6 | 2426 | ftype = AREF (spec, FONT_TYPE_INDEX); |
7cee5d63 | 2427 | for (i = 1; i <= FONT_REGISTRY_INDEX; i++) |
35027d0c | 2428 | ASET (scratch_font_spec, i, AREF (spec, i)); |
aa50ca2f | 2429 | for (i = FONT_DPI_INDEX; i < FONT_EXTRA_INDEX; i += 2) |
35027d0c KH |
2430 | { |
2431 | ASET (scratch_font_spec, i, Qnil); | |
2432 | if (! NILP (AREF (spec, i))) | |
2433 | need_filtering = 1; | |
2434 | } | |
aa50ca2f | 2435 | ASET (scratch_font_spec, FONT_SPACING_INDEX, AREF (spec, FONT_SPACING_INDEX)); |
35027d0c KH |
2436 | ASET (scratch_font_spec, FONT_EXTRA_INDEX, AREF (spec, FONT_EXTRA_INDEX)); |
2437 | ||
2438 | vec = alloca (sizeof (Lisp_Object) * num_font_drivers * n_family); | |
2439 | if (! vec) | |
2440 | return null_vector; | |
51c01100 | 2441 | |
c2f5bfd6 | 2442 | for (i = 0; driver_list; driver_list = driver_list->next) |
417a1b10 KH |
2443 | if (driver_list->on |
2444 | && (NILP (ftype) || EQ (driver_list->driver->type, ftype))) | |
c2f5bfd6 | 2445 | { |
ca4da08a | 2446 | Lisp_Object cache = font_get_cache (f, driver_list->driver); |
c2f5bfd6 | 2447 | Lisp_Object tail = alternate_familes; |
c2f5bfd6 | 2448 | |
e4c93315 KH |
2449 | ASET (scratch_font_spec, FONT_TYPE_INDEX, driver_list->driver->type); |
2450 | ASET (scratch_font_spec, FONT_FAMILY_INDEX, family); | |
c2f5bfd6 KH |
2451 | while (1) |
2452 | { | |
d0ab1ebe | 2453 | val = assoc_no_quit (scratch_font_spec, XCDR (cache)); |
7cee5d63 | 2454 | if (CONSP (val)) |
c2f5bfd6 KH |
2455 | val = XCDR (val); |
2456 | else | |
2457 | { | |
35027d0c KH |
2458 | Lisp_Object copy; |
2459 | ||
2460 | val = driver_list->driver->list (frame, scratch_font_spec); | |
35027d0c | 2461 | copy = Fcopy_font_spec (scratch_font_spec); |
e4c93315 | 2462 | ASET (copy, FONT_TYPE_INDEX, driver_list->driver->type); |
35027d0c | 2463 | XSETCDR (cache, Fcons (Fcons (copy, val), XCDR (cache))); |
c2f5bfd6 | 2464 | } |
d0ab1ebe KH |
2465 | if (! NILP (val) && need_filtering) |
2466 | val = font_delete_unmatched (val, spec, size); | |
35027d0c | 2467 | if (! NILP (val)) |
c2f5bfd6 KH |
2468 | { |
2469 | vec[i++] = val; | |
2470 | break; | |
2471 | } | |
2472 | if (NILP (tail)) | |
2473 | break; | |
35027d0c KH |
2474 | ASET (scratch_font_spec, FONT_FAMILY_INDEX, |
2475 | Fintern (XCAR (tail), Qnil)); | |
c2f5bfd6 KH |
2476 | tail = XCDR (tail); |
2477 | } | |
2478 | } | |
35027d0c | 2479 | |
d0ab1ebe KH |
2480 | val = (i > 0 ? Fvconcat (i, vec) : null_vector); |
2481 | font_add_log ("list", spec, val); | |
2482 | return (val); | |
c2f5bfd6 KH |
2483 | } |
2484 | ||
45eb10fb | 2485 | |
35027d0c KH |
2486 | /* Return a font entity matching with SPEC on FRAME. ATTRS, if non |
2487 | nil, is an array of face's attributes, which specifies preferred | |
2488 | font-related attributes. */ | |
45eb10fb | 2489 | |
e950d6f1 | 2490 | static Lisp_Object |
35027d0c KH |
2491 | font_matching_entity (f, attrs, spec) |
2492 | FRAME_PTR f; | |
2493 | Lisp_Object *attrs, spec; | |
e950d6f1 | 2494 | { |
e950d6f1 KH |
2495 | struct font_driver_list *driver_list = f->font_driver_list; |
2496 | Lisp_Object ftype, size, entity; | |
35027d0c | 2497 | Lisp_Object frame; |
e950d6f1 | 2498 | |
35027d0c | 2499 | XSETFRAME (frame, f); |
e950d6f1 KH |
2500 | ftype = AREF (spec, FONT_TYPE_INDEX); |
2501 | size = AREF (spec, FONT_SIZE_INDEX); | |
2502 | if (FLOATP (size)) | |
2503 | ASET (spec, FONT_SIZE_INDEX, make_number (font_pixel_size (f, spec))); | |
2504 | entity = Qnil; | |
2505 | for (; driver_list; driver_list = driver_list->next) | |
2506 | if (driver_list->on | |
2507 | && (NILP (ftype) || EQ (driver_list->driver->type, ftype))) | |
2508 | { | |
ca4da08a | 2509 | Lisp_Object cache = font_get_cache (f, driver_list->driver); |
7cee5d63 | 2510 | Lisp_Object copy; |
e950d6f1 | 2511 | |
e950d6f1 | 2512 | ASET (spec, FONT_TYPE_INDEX, driver_list->driver->type); |
35027d0c | 2513 | entity = assoc_no_quit (spec, XCDR (cache)); |
7cee5d63 | 2514 | if (CONSP (entity)) |
e950d6f1 KH |
2515 | entity = XCDR (entity); |
2516 | else | |
2517 | { | |
2518 | entity = driver_list->driver->match (frame, spec); | |
7cee5d63 KH |
2519 | copy = Fcopy_font_spec (spec); |
2520 | ASET (copy, FONT_TYPE_INDEX, driver_list->driver->type); | |
2521 | XSETCDR (cache, Fcons (Fcons (copy, entity), XCDR (cache))); | |
e950d6f1 KH |
2522 | } |
2523 | if (! NILP (entity)) | |
2524 | break; | |
2525 | } | |
2526 | ASET (spec, FONT_TYPE_INDEX, ftype); | |
2527 | ASET (spec, FONT_SIZE_INDEX, size); | |
d0ab1ebe | 2528 | font_add_log ("match", spec, entity); |
e950d6f1 KH |
2529 | return entity; |
2530 | } | |
2531 | ||
45eb10fb KH |
2532 | |
2533 | /* Open a font of ENTITY and PIXEL_SIZE on frame F, and return the | |
2534 | opened font object. */ | |
2535 | ||
c2f5bfd6 KH |
2536 | static Lisp_Object |
2537 | font_open_entity (f, entity, pixel_size) | |
2538 | FRAME_PTR f; | |
2539 | Lisp_Object entity; | |
2540 | int pixel_size; | |
2541 | { | |
2542 | struct font_driver_list *driver_list; | |
43c0454d | 2543 | Lisp_Object objlist, size, val, font_object; |
c2f5bfd6 | 2544 | struct font *font; |
35027d0c | 2545 | int min_width; |
c2f5bfd6 | 2546 | |
d0ab1ebe | 2547 | font_assert (FONT_ENTITY_P (entity)); |
c2f5bfd6 | 2548 | size = AREF (entity, FONT_SIZE_INDEX); |
c2f5bfd6 KH |
2549 | if (XINT (size) != 0) |
2550 | pixel_size = XINT (size); | |
2551 | ||
2552 | for (objlist = AREF (entity, FONT_OBJLIST_INDEX); CONSP (objlist); | |
2553 | objlist = XCDR (objlist)) | |
35027d0c KH |
2554 | if (XFONT_OBJECT (XCAR (objlist))->pixel_size == pixel_size) |
2555 | return XCAR (objlist); | |
2556 | ||
2557 | val = AREF (entity, FONT_TYPE_INDEX); | |
2558 | for (driver_list = f->font_driver_list; | |
2559 | driver_list && ! EQ (driver_list->driver->type, val); | |
2560 | driver_list = driver_list->next); | |
2561 | if (! driver_list) | |
2562 | return Qnil; | |
c2f5bfd6 | 2563 | |
35027d0c | 2564 | font_object = driver_list->driver->open (f, entity, pixel_size); |
d0ab1ebe | 2565 | font_add_log ("open", entity, font_object); |
43c0454d | 2566 | if (NILP (font_object)) |
35027d0c KH |
2567 | return Qnil; |
2568 | ASET (entity, FONT_OBJLIST_INDEX, | |
2569 | Fcons (font_object, AREF (entity, FONT_OBJLIST_INDEX))); | |
2570 | ASET (font_object, FONT_OBJLIST_INDEX, AREF (entity, FONT_OBJLIST_INDEX)); | |
2571 | num_fonts++; | |
2572 | ||
2573 | font = XFONT_OBJECT (font_object); | |
2574 | min_width = (font->min_width ? font->min_width | |
2575 | : font->average_width ? font->average_width | |
2576 | : font->space_width ? font->space_width | |
2577 | : 1); | |
819e81df | 2578 | #ifdef HAVE_WINDOW_SYSTEM |
35027d0c KH |
2579 | FRAME_X_DISPLAY_INFO (f)->n_fonts++; |
2580 | if (FRAME_X_DISPLAY_INFO (f)->n_fonts == 1) | |
43c0454d | 2581 | { |
35027d0c KH |
2582 | FRAME_SMALLEST_CHAR_WIDTH (f) = min_width; |
2583 | FRAME_SMALLEST_FONT_HEIGHT (f) = font->height; | |
2584 | fonts_changed_p = 1; | |
2585 | } | |
2586 | else | |
2587 | { | |
2588 | if (FRAME_SMALLEST_CHAR_WIDTH (f) > min_width) | |
2589 | FRAME_SMALLEST_CHAR_WIDTH (f) = min_width, fonts_changed_p = 1; | |
2590 | if (FRAME_SMALLEST_FONT_HEIGHT (f) > font->height) | |
2591 | FRAME_SMALLEST_FONT_HEIGHT (f) = font->height, fonts_changed_p = 1; | |
43c0454d | 2592 | } |
819e81df | 2593 | #endif |
43c0454d KH |
2594 | |
2595 | return font_object; | |
c2f5bfd6 KH |
2596 | } |
2597 | ||
45eb10fb KH |
2598 | |
2599 | /* Close FONT_OBJECT that is opened on frame F. */ | |
2600 | ||
c2f5bfd6 KH |
2601 | void |
2602 | font_close_object (f, font_object) | |
2603 | FRAME_PTR f; | |
2604 | Lisp_Object font_object; | |
2605 | { | |
35027d0c | 2606 | struct font *font = XFONT_OBJECT (font_object); |
10d16101 | 2607 | Lisp_Object objlist; |
c2f5bfd6 KH |
2608 | Lisp_Object tail, prev = Qnil; |
2609 | ||
35027d0c | 2610 | objlist = AREF (font_object, FONT_OBJLIST_INDEX); |
c2f5bfd6 KH |
2611 | for (prev = Qnil, tail = objlist; CONSP (tail); |
2612 | prev = tail, tail = XCDR (tail)) | |
2613 | if (EQ (font_object, XCAR (tail))) | |
2614 | { | |
d0ab1ebe | 2615 | font_add_log ("close", font_object, Qnil); |
35027d0c | 2616 | font->driver->close (f, font); |
819e81df | 2617 | #ifdef HAVE_WINDOW_SYSTEM |
d0ab1ebe | 2618 | font_assert (FRAME_X_DISPLAY_INFO (f)->n_fonts); |
35027d0c | 2619 | FRAME_X_DISPLAY_INFO (f)->n_fonts--; |
819e81df | 2620 | #endif |
10d16101 | 2621 | if (NILP (prev)) |
35027d0c | 2622 | ASET (font_object, FONT_OBJLIST_INDEX, XCDR (objlist)); |
10d16101 KH |
2623 | else |
2624 | XSETCDR (prev, XCDR (objlist)); | |
43c0454d | 2625 | num_fonts--; |
10d16101 | 2626 | return; |
c2f5bfd6 | 2627 | } |
10d16101 | 2628 | abort (); |
c2f5bfd6 KH |
2629 | } |
2630 | ||
45eb10fb | 2631 | |
1701724c KH |
2632 | /* Return 1 if FONT on F has a glyph for character C, 0 if not, -1 if |
2633 | FONT is a font-entity and it must be opened to check. */ | |
45eb10fb | 2634 | |
c2f5bfd6 | 2635 | int |
1b834a8d | 2636 | font_has_char (f, font, c) |
c2f5bfd6 | 2637 | FRAME_PTR f; |
1b834a8d | 2638 | Lisp_Object font; |
c2f5bfd6 KH |
2639 | int c; |
2640 | { | |
1b834a8d | 2641 | struct font *fontp; |
c2f5bfd6 | 2642 | |
1b834a8d KH |
2643 | if (FONT_ENTITY_P (font)) |
2644 | { | |
2645 | Lisp_Object type = AREF (font, FONT_TYPE_INDEX); | |
2646 | struct font_driver_list *driver_list; | |
2647 | ||
2648 | for (driver_list = f->font_driver_list; | |
2649 | driver_list && ! EQ (driver_list->driver->type, type); | |
2650 | driver_list = driver_list->next); | |
2651 | if (! driver_list) | |
2652 | return 0; | |
2653 | if (! driver_list->driver->has_char) | |
2654 | return -1; | |
2655 | return driver_list->driver->has_char (font, c); | |
2656 | } | |
2657 | ||
d0ab1ebe | 2658 | font_assert (FONT_OBJECT_P (font)); |
35027d0c | 2659 | fontp = XFONT_OBJECT (font); |
1b834a8d KH |
2660 | if (fontp->driver->has_char) |
2661 | { | |
35027d0c | 2662 | int result = fontp->driver->has_char (font, c); |
1b834a8d KH |
2663 | |
2664 | if (result >= 0) | |
2665 | return result; | |
2666 | } | |
2667 | return (fontp->driver->encode_char (fontp, c) != FONT_INVALID_CODE); | |
c2f5bfd6 KH |
2668 | } |
2669 | ||
45eb10fb KH |
2670 | |
2671 | /* Return the glyph ID of FONT_OBJECT for character C. */ | |
2672 | ||
c2f5bfd6 KH |
2673 | unsigned |
2674 | font_encode_char (font_object, c) | |
2675 | Lisp_Object font_object; | |
2676 | int c; | |
2677 | { | |
35027d0c | 2678 | struct font *font; |
c2f5bfd6 | 2679 | |
d0ab1ebe | 2680 | font_assert (FONT_OBJECT_P (font_object)); |
35027d0c | 2681 | font = XFONT_OBJECT (font_object); |
c2f5bfd6 KH |
2682 | return font->driver->encode_char (font, c); |
2683 | } | |
2684 | ||
45eb10fb KH |
2685 | |
2686 | /* Return the name of FONT_OBJECT. */ | |
2687 | ||
ef18374f | 2688 | Lisp_Object |
c2f5bfd6 KH |
2689 | font_get_name (font_object) |
2690 | Lisp_Object font_object; | |
2691 | { | |
d0ab1ebe | 2692 | font_assert (FONT_OBJECT_P (font_object)); |
35027d0c | 2693 | return AREF (font_object, FONT_NAME_INDEX); |
ef18374f KH |
2694 | } |
2695 | ||
45eb10fb KH |
2696 | |
2697 | /* Return the specification of FONT_OBJECT. */ | |
2698 | ||
ef18374f KH |
2699 | Lisp_Object |
2700 | font_get_spec (font_object) | |
2701 | Lisp_Object font_object; | |
2702 | { | |
35027d0c | 2703 | Lisp_Object spec = font_make_spec (); |
ef18374f KH |
2704 | int i; |
2705 | ||
2706 | for (i = 0; i < FONT_SIZE_INDEX; i++) | |
35027d0c KH |
2707 | ASET (spec, i, AREF (font_object, i)); |
2708 | ASET (spec, FONT_SIZE_INDEX, | |
2709 | make_number (XFONT_OBJECT (font_object)->pixel_size)); | |
ef18374f | 2710 | return spec; |
c2f5bfd6 KH |
2711 | } |
2712 | ||
35027d0c KH |
2713 | Lisp_Object |
2714 | font_spec_from_name (font_name) | |
2715 | Lisp_Object font_name; | |
2716 | { | |
2717 | Lisp_Object args[2]; | |
2718 | ||
2719 | args[0] = QCname; | |
2720 | args[1] = font_name; | |
2721 | return Ffont_spec (2, args); | |
2722 | } | |
2723 | ||
45eb10fb | 2724 | |
35027d0c KH |
2725 | void |
2726 | font_clear_prop (attrs, prop) | |
2727 | Lisp_Object *attrs; | |
2728 | enum font_property_index prop; | |
2729 | { | |
2730 | Lisp_Object font = attrs[LFACE_FONT_INDEX]; | |
45eb10fb | 2731 | |
35027d0c KH |
2732 | if (! FONTP (font)) |
2733 | return; | |
2734 | if (NILP (AREF (font, prop)) | |
2735 | && prop != FONT_FAMILY_INDEX && prop != FONT_FAMILY_INDEX) | |
2736 | return; | |
2737 | font = Fcopy_font_spec (font); | |
2738 | ASET (font, prop, Qnil); | |
2739 | if (prop == FONT_FAMILY_INDEX) | |
2740 | { | |
2741 | ASET (font, FONT_FOUNDRY_INDEX, Qnil); | |
2742 | ASET (font, FONT_ADSTYLE_INDEX, Qnil); | |
2743 | ASET (font, FONT_SIZE_INDEX, Qnil); | |
2744 | ASET (font, FONT_DPI_INDEX, Qnil); | |
2745 | ASET (font, FONT_SPACING_INDEX, Qnil); | |
2746 | ASET (font, FONT_AVGWIDTH_INDEX, Qnil); | |
2747 | } | |
2748 | else if (prop == FONT_SIZE_INDEX) | |
2749 | { | |
2750 | ASET (font, FONT_DPI_INDEX, Qnil); | |
2751 | ASET (font, FONT_SPACING_INDEX, Qnil); | |
2752 | ASET (font, FONT_AVGWIDTH_INDEX, Qnil); | |
2753 | } | |
2754 | attrs[LFACE_FONT_INDEX] = font; | |
2755 | } | |
2756 | ||
2757 | void | |
2758 | font_update_lface (f, attrs) | |
2759 | FRAME_PTR f; | |
2760 | Lisp_Object *attrs; | |
c2f5bfd6 | 2761 | { |
d0ab1ebe | 2762 | Lisp_Object spec; |
35027d0c KH |
2763 | |
2764 | spec = attrs[LFACE_FONT_INDEX]; | |
2765 | if (! FONT_SPEC_P (spec)) | |
2766 | return; | |
2767 | ||
2768 | if (! NILP (AREF (spec, FONT_FOUNDRY_INDEX)) | |
2769 | || ! NILP (AREF (spec, FONT_FAMILY_INDEX))) | |
2770 | { | |
2771 | Lisp_Object family; | |
2772 | ||
2773 | if (NILP (AREF (spec, FONT_FOUNDRY_INDEX))) | |
2774 | family = AREF (spec, FONT_FAMILY_INDEX); | |
2775 | else if (NILP (AREF (spec, FONT_FAMILY_INDEX))) | |
2776 | family = concat2 (SYMBOL_NAME (AREF (spec, FONT_FOUNDRY_INDEX)), | |
2777 | build_string ("-*")); | |
2778 | else | |
2779 | family = concat3 (SYMBOL_NAME (AREF (spec, FONT_FOUNDRY_INDEX)), | |
2780 | build_string ("-"), | |
2781 | SYMBOL_NAME (AREF (spec, FONT_FAMILY_INDEX))); | |
2782 | attrs[LFACE_FAMILY_INDEX] = family; | |
2783 | } | |
2784 | if (! NILP (AREF (spec, FONT_WEIGHT_INDEX))) | |
2785 | attrs[LFACE_WEIGHT_INDEX] = FONT_WEIGHT_FOR_FACE (spec); | |
2786 | if (! NILP (AREF (spec, FONT_SLANT_INDEX))) | |
2787 | attrs[LFACE_SLANT_INDEX] = FONT_SLANT_FOR_FACE (spec);; | |
2788 | if (! NILP (AREF (spec, FONT_WIDTH_INDEX))) | |
2789 | attrs[LFACE_SWIDTH_INDEX] = FONT_WIDTH_FOR_FACE (spec); | |
2790 | if (! NILP (AREF (spec, FONT_SIZE_INDEX))) | |
2791 | { | |
2792 | int point; | |
2793 | ||
2794 | if (INTEGERP (AREF (spec, FONT_SIZE_INDEX))) | |
2795 | { | |
2796 | Lisp_Object val; | |
2797 | int dpi = f->resy; | |
2798 | ||
2799 | val = Ffont_get (spec, QCdpi); | |
2800 | if (! NILP (val)) | |
2801 | dpi = XINT (val); | |
2802 | point = PIXEL_TO_POINT (XINT (AREF (spec, FONT_SIZE_INDEX)) * 10, | |
2803 | dpi); | |
2804 | } | |
2805 | else if (FLOATP (AREF (spec, FONT_SIZE_INDEX))) | |
2806 | point = XFLOAT_DATA (AREF (spec, FONT_SIZE_INDEX)) * 10; | |
2807 | attrs[LFACE_HEIGHT_INDEX] = make_number (point); | |
2808 | } | |
c2f5bfd6 KH |
2809 | } |
2810 | ||
45eb10fb | 2811 | |
35027d0c KH |
2812 | /* Return a font-entity satisfying SPEC and best matching with face's |
2813 | font related attributes in ATTRS. C, if not negative, is a | |
1701724c | 2814 | character that the entity must support. */ |
c2f5bfd6 KH |
2815 | |
2816 | Lisp_Object | |
35027d0c | 2817 | font_find_for_lface (f, attrs, spec, c) |
c2f5bfd6 | 2818 | FRAME_PTR f; |
35027d0c | 2819 | Lisp_Object *attrs; |
c2f5bfd6 | 2820 | Lisp_Object spec; |
1701724c | 2821 | int c; |
c2f5bfd6 | 2822 | { |
35027d0c KH |
2823 | Lisp_Object frame, entities, val, props[FONT_REGISTRY_INDEX + 1] ; |
2824 | Lisp_Object size; | |
1d1e1245 | 2825 | int pixel_size; |
6c8ec042 | 2826 | int i, result; |
c2f5bfd6 | 2827 | |
35027d0c | 2828 | if (c >= 0) |
fe5ddfbc | 2829 | { |
1701724c | 2830 | Lisp_Object registry = AREF (spec, FONT_REGISTRY_INDEX); |
35027d0c | 2831 | struct charset *encoding, *repertory; |
1701724c | 2832 | |
35027d0c KH |
2833 | if (font_registry_charsets (registry, &encoding, &repertory) < 0) |
2834 | return Qnil; | |
2835 | if (repertory) | |
1701724c | 2836 | { |
35027d0c | 2837 | if (ENCODE_CHAR (repertory, c) == CHARSET_INVALID_CODE (repertory)) |
1701724c | 2838 | return Qnil; |
35027d0c KH |
2839 | /* Any font of this registry support C. So, let's |
2840 | suppress the further checking. */ | |
2841 | c = -1; | |
1701724c | 2842 | } |
35027d0c KH |
2843 | else if (c > encoding->max_char) |
2844 | return Qnil; | |
c2f5bfd6 KH |
2845 | } |
2846 | ||
35027d0c KH |
2847 | XSETFRAME (frame, f); |
2848 | size = AREF (spec, FONT_SIZE_INDEX); | |
1d1e1245 KH |
2849 | pixel_size = font_pixel_size (f, spec); |
2850 | if (pixel_size == 0) | |
2851 | { | |
2852 | double pt = XINT (attrs[LFACE_HEIGHT_INDEX]); | |
2853 | ||
2854 | pixel_size = POINT_TO_PIXEL (pt / 10, f->resy); | |
2855 | } | |
35027d0c KH |
2856 | ASET (spec, FONT_SIZE_INDEX, Qnil); |
2857 | entities = font_list_entities (frame, spec); | |
2858 | ASET (spec, FONT_SIZE_INDEX, size); | |
fe5ddfbc KH |
2859 | if (ASIZE (entities) == 0) |
2860 | return Qnil; | |
35027d0c KH |
2861 | if (ASIZE (entities) == 1) |
2862 | { | |
2863 | if (c < 0) | |
2864 | return AREF (entities, 0); | |
2865 | } | |
2866 | else | |
c2f5bfd6 | 2867 | { |
fe5ddfbc | 2868 | /* Sort fonts by properties specified in LFACE. */ |
ec6fe57c | 2869 | Lisp_Object prefer = scratch_font_prefer; |
d0ab1ebe | 2870 | |
35027d0c KH |
2871 | for (i = 0; i < FONT_EXTRA_INDEX; i++) |
2872 | ASET (prefer, i, AREF (spec, i)); | |
79f105c9 KH |
2873 | if (FONTP (attrs[LFACE_FONT_INDEX])) |
2874 | { | |
2875 | Lisp_Object face_font = attrs[LFACE_FONT_INDEX]; | |
2876 | ||
2877 | for (i = 0; i < FONT_EXTRA_INDEX; i++) | |
2878 | if (NILP (AREF (prefer, i))) | |
2879 | ASET (prefer, i, AREF (face_font, i)); | |
2880 | } | |
35027d0c KH |
2881 | if (NILP (AREF (prefer, FONT_FAMILY_INDEX))) |
2882 | font_parse_family_registry (attrs[LFACE_FAMILY_INDEX], Qnil, prefer); | |
2883 | if (NILP (AREF (prefer, FONT_WEIGHT_INDEX))) | |
2884 | FONT_SET_STYLE (prefer, FONT_WEIGHT_INDEX, attrs[LFACE_WEIGHT_INDEX]); | |
2885 | if (NILP (AREF (prefer, FONT_SLANT_INDEX))) | |
2886 | FONT_SET_STYLE (prefer, FONT_SLANT_INDEX, attrs[LFACE_SLANT_INDEX]); | |
2887 | if (NILP (AREF (prefer, FONT_WIDTH_INDEX))) | |
2888 | FONT_SET_STYLE (prefer, FONT_WIDTH_INDEX, attrs[LFACE_SWIDTH_INDEX]); | |
1d1e1245 | 2889 | ASET (prefer, FONT_SIZE_INDEX, make_number (pixel_size)); |
35027d0c KH |
2890 | ASET (spec, FONT_SIZE_INDEX, Qnil); |
2891 | entities = font_sort_entites (entities, prefer, frame, spec, c < 0); | |
2892 | ASET (spec, FONT_SIZE_INDEX, size); | |
c2f5bfd6 | 2893 | } |
1701724c | 2894 | if (c < 0) |
35027d0c | 2895 | return entities; |
45eb10fb | 2896 | |
35027d0c KH |
2897 | for (i = 0; i < ASIZE (entities); i++) |
2898 | { | |
2899 | int j; | |
2900 | ||
2901 | val = AREF (entities, i); | |
2902 | if (i > 0) | |
2903 | { | |
2904 | for (j = FONT_FOUNDRY_INDEX; j <= FONT_REGISTRY_INDEX; j++) | |
2905 | if (! EQ (AREF (val, j), props[j])) | |
2906 | break; | |
2907 | if (j > FONT_REGISTRY_INDEX) | |
2908 | continue; | |
2909 | } | |
2910 | for (j = FONT_FOUNDRY_INDEX; j <= FONT_REGISTRY_INDEX; j++) | |
2911 | props[j] = AREF (val, j); | |
2912 | result = font_has_char (f, val, c); | |
2913 | if (result > 0) | |
2914 | return val; | |
2915 | if (result == 0) | |
2916 | return Qnil; | |
2917 | val = font_open_for_lface (f, val, attrs, spec); | |
2918 | if (NILP (val)) | |
2919 | continue; | |
2920 | result = font_has_char (f, val, c); | |
2921 | font_close_object (f, val); | |
2922 | if (result > 0) | |
2923 | return AREF (entities, i); | |
2924 | } | |
1701724c KH |
2925 | return Qnil; |
2926 | } | |
45eb10fb KH |
2927 | |
2928 | ||
c2f5bfd6 | 2929 | Lisp_Object |
35027d0c | 2930 | font_open_for_lface (f, entity, attrs, spec) |
c2f5bfd6 | 2931 | FRAME_PTR f; |
c2f5bfd6 | 2932 | Lisp_Object entity; |
35027d0c | 2933 | Lisp_Object *attrs; |
733fd013 | 2934 | Lisp_Object spec; |
c2f5bfd6 | 2935 | { |
9331887d | 2936 | int size; |
c2f5bfd6 | 2937 | |
1d1e1245 KH |
2938 | if (FONT_SPEC_P (spec) && ! NILP (AREF (spec, FONT_SIZE_INDEX))) |
2939 | size = font_pixel_size (f, spec); | |
733fd013 KH |
2940 | else |
2941 | { | |
35027d0c | 2942 | double pt = XINT (attrs[LFACE_HEIGHT_INDEX]); |
733fd013 KH |
2943 | |
2944 | pt /= 10; | |
2945 | size = POINT_TO_PIXEL (pt, f->resy); | |
2946 | } | |
c2f5bfd6 KH |
2947 | return font_open_entity (f, entity, size); |
2948 | } | |
2949 | ||
45eb10fb | 2950 | |
35027d0c KH |
2951 | /* Find a font satisfying SPEC and best matching with face's |
2952 | attributes in ATTRS on FRAME, and return the opened | |
2953 | font-object. */ | |
45eb10fb | 2954 | |
35027d0c KH |
2955 | Lisp_Object |
2956 | font_load_for_lface (f, attrs, spec) | |
c2f5bfd6 | 2957 | FRAME_PTR f; |
35027d0c | 2958 | Lisp_Object *attrs, spec; |
c2f5bfd6 | 2959 | { |
35027d0c | 2960 | Lisp_Object entity; |
ef18374f | 2961 | |
35027d0c KH |
2962 | entity = font_find_for_lface (f, attrs, spec, -1); |
2963 | if (NILP (entity)) | |
ef18374f | 2964 | { |
35027d0c KH |
2965 | /* No font is listed for SPEC, but each font-backend may have |
2966 | the different criteria about "font matching". So, try | |
2967 | it. */ | |
2968 | entity = font_matching_entity (f, attrs, spec); | |
2969 | if (NILP (entity)) | |
2970 | return Qnil; | |
c2f5bfd6 | 2971 | } |
35027d0c | 2972 | return font_open_for_lface (f, entity, attrs, spec); |
c2f5bfd6 KH |
2973 | } |
2974 | ||
45eb10fb KH |
2975 | |
2976 | /* Make FACE on frame F ready to use the font opened for FACE. */ | |
2977 | ||
c2f5bfd6 KH |
2978 | void |
2979 | font_prepare_for_face (f, face) | |
2980 | FRAME_PTR f; | |
2981 | struct face *face; | |
2982 | { | |
35027d0c KH |
2983 | if (face->font->driver->prepare_face) |
2984 | face->font->driver->prepare_face (f, face); | |
c2f5bfd6 KH |
2985 | } |
2986 | ||
45eb10fb KH |
2987 | |
2988 | /* Make FACE on frame F stop using the font opened for FACE. */ | |
2989 | ||
c2f5bfd6 KH |
2990 | void |
2991 | font_done_for_face (f, face) | |
2992 | FRAME_PTR f; | |
2993 | struct face *face; | |
2994 | { | |
35027d0c KH |
2995 | if (face->font->driver->done_face) |
2996 | face->font->driver->done_face (f, face); | |
c2f5bfd6 KH |
2997 | face->extra = NULL; |
2998 | } | |
2999 | ||
45eb10fb KH |
3000 | |
3001 | /* Open a font best matching with NAME on frame F. If no proper font | |
3002 | is found, return Qnil. */ | |
3003 | ||
c2f5bfd6 KH |
3004 | Lisp_Object |
3005 | font_open_by_name (f, name) | |
3006 | FRAME_PTR f; | |
3007 | char *name; | |
3008 | { | |
ef18374f | 3009 | Lisp_Object args[2]; |
e950d6f1 | 3010 | Lisp_Object spec, prefer, size, entity, entity_list; |
c2f5bfd6 | 3011 | Lisp_Object frame; |
a9262bb8 | 3012 | int i; |
ef18374f | 3013 | int pixel_size; |
c2f5bfd6 KH |
3014 | |
3015 | XSETFRAME (frame, f); | |
a9262bb8 | 3016 | |
ef18374f KH |
3017 | args[0] = QCname; |
3018 | args[1] = make_unibyte_string (name, strlen (name)); | |
3019 | spec = Ffont_spec (2, args); | |
a9262bb8 | 3020 | prefer = scratch_font_prefer; |
35027d0c KH |
3021 | for (i = 0; i < FONT_SPEC_MAX; i++) |
3022 | { | |
3023 | ASET (prefer, i, AREF (spec, i)); | |
3024 | if (NILP (AREF (prefer, i)) | |
3025 | && i >= FONT_WEIGHT_INDEX && i <= FONT_WIDTH_INDEX) | |
3026 | FONT_SET_STYLE (prefer, i, make_number (100)); | |
3027 | } | |
a9262bb8 KH |
3028 | size = AREF (spec, FONT_SIZE_INDEX); |
3029 | if (NILP (size)) | |
3030 | pixel_size = 0; | |
35027d0c | 3031 | else |
ef18374f | 3032 | { |
35027d0c KH |
3033 | if (INTEGERP (size)) |
3034 | pixel_size = XINT (size); | |
3035 | else /* FLOATP (size) */ | |
3036 | { | |
3037 | double pt = XFLOAT_DATA (size); | |
a9262bb8 | 3038 | |
35027d0c KH |
3039 | pixel_size = POINT_TO_PIXEL (pt, f->resy); |
3040 | } | |
3041 | if (pixel_size == 0) | |
3042 | ASET (spec, FONT_SIZE_INDEX, Qnil); | |
ef18374f | 3043 | } |
a9262bb8 | 3044 | if (pixel_size == 0) |
ef18374f | 3045 | { |
9331887d | 3046 | pixel_size = POINT_TO_PIXEL (12.0, f->resy); |
a9262bb8 | 3047 | size = make_number (pixel_size); |
35027d0c | 3048 | ASET (prefer, FONT_SIZE_INDEX, size); |
ef18374f | 3049 | } |
9331887d KH |
3050 | if (NILP (AREF (spec, FONT_REGISTRY_INDEX))) |
3051 | ASET (spec, FONT_REGISTRY_INDEX, Qiso8859_1); | |
a9262bb8 | 3052 | |
e950d6f1 KH |
3053 | entity_list = Flist_fonts (spec, frame, make_number (1), prefer); |
3054 | if (NILP (entity_list)) | |
35027d0c | 3055 | entity = font_matching_entity (f, NULL, spec); |
e950d6f1 KH |
3056 | else |
3057 | entity = XCAR (entity_list); | |
3058 | return (NILP (entity) | |
a9262bb8 | 3059 | ? Qnil |
e950d6f1 | 3060 | : font_open_entity (f, entity, pixel_size)); |
c2f5bfd6 KH |
3061 | } |
3062 | ||
3063 | ||
3064 | /* Register font-driver DRIVER. This function is used in two ways. | |
3065 | ||
417a1b10 KH |
3066 | The first is with frame F non-NULL. In this case, make DRIVER |
3067 | available (but not yet activated) on F. All frame creaters | |
3068 | (e.g. Fx_create_frame) must call this function at least once with | |
3069 | an available font-driver. | |
c2f5bfd6 KH |
3070 | |
3071 | The second is with frame F NULL. In this case, DRIVER is globally | |
3072 | registered in the variable `font_driver_list'. All font-driver | |
3073 | implementations must call this function in its syms_of_XXXX | |
3074 | (e.g. syms_of_xfont). */ | |
3075 | ||
3076 | void | |
3077 | register_font_driver (driver, f) | |
3078 | struct font_driver *driver; | |
3079 | FRAME_PTR f; | |
3080 | { | |
3081 | struct font_driver_list *root = f ? f->font_driver_list : font_driver_list; | |
3082 | struct font_driver_list *prev, *list; | |
3083 | ||
3084 | if (f && ! driver->draw) | |
43a1d19b | 3085 | error ("Unusable font driver for a frame: %s", |
c2f5bfd6 KH |
3086 | SDATA (SYMBOL_NAME (driver->type))); |
3087 | ||
3088 | for (prev = NULL, list = root; list; prev = list, list = list->next) | |
cf23b845 | 3089 | if (EQ (list->driver->type, driver->type)) |
c2f5bfd6 KH |
3090 | error ("Duplicated font driver: %s", SDATA (SYMBOL_NAME (driver->type))); |
3091 | ||
3092 | list = malloc (sizeof (struct font_driver_list)); | |
417a1b10 | 3093 | list->on = 0; |
c2f5bfd6 KH |
3094 | list->driver = driver; |
3095 | list->next = NULL; | |
3096 | if (prev) | |
3097 | prev->next = list; | |
3098 | else if (f) | |
3099 | f->font_driver_list = list; | |
3100 | else | |
3101 | font_driver_list = list; | |
72606e45 KH |
3102 | if (! f) |
3103 | num_font_drivers++; | |
c2f5bfd6 KH |
3104 | } |
3105 | ||
45eb10fb | 3106 | |
c2f5bfd6 KH |
3107 | /* Free font-driver list on frame F. It doesn't free font-drivers |
3108 | themselves. */ | |
3109 | ||
3110 | void | |
3111 | free_font_driver_list (f) | |
3112 | FRAME_PTR f; | |
3113 | { | |
3114 | while (f->font_driver_list) | |
3115 | { | |
3116 | struct font_driver_list *next = f->font_driver_list->next; | |
3117 | ||
3118 | free (f->font_driver_list); | |
3119 | f->font_driver_list = next; | |
3120 | } | |
3121 | } | |
3122 | ||
45eb10fb | 3123 | |
f697fff0 | 3124 | /* Make the frame F use font backends listed in NEW_DRIVERS (list of |
ca4da08a KH |
3125 | symbols, e.g. xft, x). If NEW_DRIVERS is t, make F use all |
3126 | available font drivers. If NEW_DRIVERS is nil, finalize all drivers. | |
417a1b10 | 3127 | |
ca4da08a KH |
3128 | A caller must free all realized faces if any in advance. The |
3129 | return value is a list of font backends actually made used on | |
3130 | F. */ | |
e950d6f1 KH |
3131 | |
3132 | Lisp_Object | |
3133 | font_update_drivers (f, new_drivers) | |
417a1b10 KH |
3134 | FRAME_PTR f; |
3135 | Lisp_Object new_drivers; | |
417a1b10 KH |
3136 | { |
3137 | Lisp_Object active_drivers = Qnil; | |
417a1b10 KH |
3138 | struct font_driver_list *list; |
3139 | ||
f697fff0 KH |
3140 | for (list = f->font_driver_list; list; list = list->next) |
3141 | if (list->on) | |
3142 | { | |
ca4da08a KH |
3143 | if (! EQ (new_drivers, Qt) |
3144 | && NILP (Fmemq (list->driver->type, new_drivers))) | |
3145 | { | |
3146 | if (list->driver->end_for_frame) | |
3147 | list->driver->end_for_frame (f); | |
3148 | font_finish_cache (f, list->driver); | |
3149 | list->on = 0; | |
3150 | } | |
f697fff0 | 3151 | } |
ca4da08a | 3152 | else |
e950d6f1 | 3153 | { |
ca4da08a KH |
3154 | if (EQ (new_drivers, Qt) |
3155 | || ! NILP (Fmemq (list->driver->type, new_drivers))) | |
3156 | { | |
3157 | if (! list->driver->start_for_frame | |
3158 | || list->driver->start_for_frame (f) == 0) | |
3159 | { | |
3160 | font_prepare_cache (f, list->driver); | |
3161 | list->on = 1; | |
3162 | active_drivers = nconc2 (active_drivers, | |
3163 | Fcons (list->driver->type, Qnil)); | |
3164 | } | |
3165 | } | |
e950d6f1 | 3166 | } |
417a1b10 | 3167 | |
e950d6f1 | 3168 | return active_drivers; |
417a1b10 KH |
3169 | } |
3170 | ||
f697fff0 KH |
3171 | int |
3172 | font_put_frame_data (f, driver, data) | |
3173 | FRAME_PTR f; | |
3174 | struct font_driver *driver; | |
3175 | void *data; | |
3176 | { | |
3177 | struct font_data_list *list, *prev; | |
3178 | ||
3179 | for (prev = NULL, list = f->font_data_list; list; | |
3180 | prev = list, list = list->next) | |
3181 | if (list->driver == driver) | |
3182 | break; | |
3183 | if (! data) | |
3184 | { | |
3185 | if (list) | |
3186 | { | |
3187 | if (prev) | |
3188 | prev->next = list->next; | |
3189 | else | |
3190 | f->font_data_list = list->next; | |
3191 | free (list); | |
3192 | } | |
3193 | return 0; | |
3194 | } | |
3195 | ||
3196 | if (! list) | |
3197 | { | |
3198 | list = malloc (sizeof (struct font_data_list)); | |
3199 | if (! list) | |
3200 | return -1; | |
3201 | list->driver = driver; | |
3202 | list->next = f->font_data_list; | |
3203 | f->font_data_list = list; | |
3204 | } | |
3205 | list->data = data; | |
3206 | return 0; | |
3207 | } | |
3208 | ||
3209 | ||
3210 | void * | |
3211 | font_get_frame_data (f, driver) | |
3212 | FRAME_PTR f; | |
3213 | struct font_driver *driver; | |
3214 | { | |
3215 | struct font_data_list *list; | |
3216 | ||
3217 | for (list = f->font_data_list; list; list = list->next) | |
3218 | if (list->driver == driver) | |
3219 | break; | |
3220 | if (! list) | |
3221 | return NULL; | |
3222 | return list->data; | |
3223 | } | |
3224 | ||
417a1b10 | 3225 | |
45eb10fb | 3226 | /* Return the font used to draw character C by FACE at buffer position |
e3ee0340 KH |
3227 | POS in window W. If STRING is non-nil, it is a string containing C |
3228 | at index POS. If C is negative, get C from the current buffer or | |
3229 | STRING. */ | |
45eb10fb | 3230 | |
10d16101 | 3231 | Lisp_Object |
e3ee0340 | 3232 | font_at (c, pos, face, w, string) |
10d16101 KH |
3233 | int c; |
3234 | EMACS_INT pos; | |
3235 | struct face *face; | |
3236 | struct window *w; | |
e3ee0340 | 3237 | Lisp_Object string; |
10d16101 KH |
3238 | { |
3239 | FRAME_PTR f; | |
e3ee0340 | 3240 | int multibyte; |
35027d0c | 3241 | Lisp_Object font_object; |
e3ee0340 KH |
3242 | |
3243 | if (c < 0) | |
3244 | { | |
3245 | if (NILP (string)) | |
3246 | { | |
3247 | multibyte = ! NILP (current_buffer->enable_multibyte_characters); | |
3248 | if (multibyte) | |
3249 | { | |
3250 | EMACS_INT pos_byte = CHAR_TO_BYTE (pos); | |
3251 | ||
3252 | c = FETCH_CHAR (pos_byte); | |
3253 | } | |
3254 | else | |
3255 | c = FETCH_BYTE (pos); | |
3256 | } | |
3257 | else | |
3258 | { | |
3259 | unsigned char *str; | |
3260 | ||
3261 | multibyte = STRING_MULTIBYTE (string); | |
3262 | if (multibyte) | |
3263 | { | |
3264 | EMACS_INT pos_byte = string_char_to_byte (string, pos); | |
3265 | ||
3266 | str = SDATA (string) + pos_byte; | |
3267 | c = STRING_CHAR (str, 0); | |
3268 | } | |
3269 | else | |
3270 | c = SDATA (string)[pos]; | |
3271 | } | |
3272 | } | |
10d16101 KH |
3273 | |
3274 | f = XFRAME (w->frame); | |
1385a806 KH |
3275 | if (! FRAME_WINDOW_P (f)) |
3276 | return Qnil; | |
10d16101 KH |
3277 | if (! face) |
3278 | { | |
e3ee0340 | 3279 | int face_id; |
0f8b27ea | 3280 | EMACS_INT endptr; |
e3ee0340 KH |
3281 | |
3282 | if (STRINGP (string)) | |
3283 | face_id = face_at_string_position (w, string, pos, 0, -1, -1, &endptr, | |
10d16101 KH |
3284 | DEFAULT_FACE_ID, 0); |
3285 | else | |
e3ee0340 | 3286 | face_id = face_at_buffer_position (w, pos, -1, -1, &endptr, |
10d16101 KH |
3287 | pos + 100, 0); |
3288 | face = FACE_FROM_ID (f, face_id); | |
3289 | } | |
e3ee0340 KH |
3290 | if (multibyte) |
3291 | { | |
3292 | int face_id = FACE_FOR_CHAR (f, face, c, pos, string); | |
3293 | face = FACE_FROM_ID (f, face_id); | |
3294 | } | |
35027d0c | 3295 | if (! face->font) |
10d16101 | 3296 | return Qnil; |
35027d0c | 3297 | |
d0ab1ebe | 3298 | font_assert (font_check_object ((struct font *) face->font)); |
35027d0c KH |
3299 | XSETFONT (font_object, face->font); |
3300 | return font_object; | |
3301 | } | |
3302 | ||
3303 | ||
3304 | /* Check how many characters after POS (at most to LIMIT) can be | |
3305 | displayed by the same font. FACE is the face selected for the | |
3306 | character as POS on frame F. STRING, if not nil, is the string to | |
3307 | check instead of the current buffer. | |
027a33c0 | 3308 | |
35027d0c KH |
3309 | The return value is the position of the character that is displayed |
3310 | by the differnt font than that of the character as POS. */ | |
3311 | ||
3312 | EMACS_INT | |
3313 | font_range (pos, limit, face, f, string) | |
3314 | EMACS_INT pos, limit; | |
3315 | struct face *face; | |
3316 | FRAME_PTR f; | |
3317 | Lisp_Object string; | |
3318 | { | |
3319 | int multibyte; | |
3320 | EMACS_INT pos_byte; | |
3321 | int c; | |
3322 | struct font *font; | |
3323 | int first = 1; | |
3324 | ||
3325 | if (NILP (string)) | |
3326 | { | |
3327 | multibyte = ! NILP (current_buffer->enable_multibyte_characters); | |
3328 | pos_byte = CHAR_TO_BYTE (pos); | |
3329 | } | |
3330 | else | |
3331 | { | |
3332 | multibyte = STRING_MULTIBYTE (string); | |
3333 | pos_byte = string_char_to_byte (string, pos); | |
3334 | } | |
3335 | ||
3336 | if (! multibyte) | |
3337 | /* All unibyte character are displayed by the same font. */ | |
3338 | return limit; | |
3339 | ||
3340 | while (pos < limit) | |
3341 | { | |
3342 | int face_id; | |
3343 | ||
3344 | if (NILP (string)) | |
3345 | FETCH_CHAR_ADVANCE_NO_CHECK (c, pos, pos_byte); | |
3346 | else | |
3347 | FETCH_STRING_CHAR_ADVANCE_NO_CHECK (c, string, pos, pos_byte); | |
3348 | face_id = FACE_FOR_CHAR (f, face, c, pos, string); | |
3349 | face = FACE_FROM_ID (f, face_id); | |
3350 | if (first) | |
3351 | { | |
3352 | font = face->font; | |
3353 | first = 0; | |
3354 | continue; | |
3355 | } | |
3356 | else if (font != face->font) | |
3357 | { | |
3358 | pos--; | |
3359 | break; | |
3360 | } | |
3361 | } | |
3362 | return pos; | |
10d16101 KH |
3363 | } |
3364 | ||
c2f5bfd6 KH |
3365 | \f |
3366 | /* Lisp API */ | |
3367 | ||
35027d0c | 3368 | DEFUN ("fontp", Ffontp, Sfontp, 1, 2, 0, |
6c8ec042 | 3369 | doc: /* Return t if OBJECT is a font-spec, font-entity, or font-object. |
35027d0c KH |
3370 | Return nil otherwise. |
3371 | Optional 2nd argument EXTRA-TYPE, if non-nil, specifies to check | |
027a33c0 | 3372 | which kind of font it is. It must be one of `font-spec', `font-entity', |
35027d0c KH |
3373 | `font-object'. */) |
3374 | (object, extra_type) | |
3375 | Lisp_Object object, extra_type; | |
c2f5bfd6 | 3376 | { |
35027d0c KH |
3377 | if (NILP (extra_type)) |
3378 | return (FONTP (object) ? Qt : Qnil); | |
3379 | if (EQ (extra_type, Qfont_spec)) | |
3380 | return (FONT_SPEC_P (object) ? Qt : Qnil); | |
3381 | if (EQ (extra_type, Qfont_entity)) | |
3382 | return (FONT_ENTITY_P (object) ? Qt : Qnil); | |
3383 | if (EQ (extra_type, Qfont_object)) | |
3384 | return (FONT_OBJECT_P (object) ? Qt : Qnil); | |
3385 | wrong_type_argument (intern ("font-extra-type"), extra_type); | |
c2f5bfd6 KH |
3386 | } |
3387 | ||
3388 | DEFUN ("font-spec", Ffont_spec, Sfont_spec, 0, MANY, 0, | |
45eb10fb KH |
3389 | doc: /* Return a newly created font-spec with arguments as properties. |
3390 | ||
3391 | ARGS must come in pairs KEY VALUE of font properties. KEY must be a | |
3392 | valid font property name listed below: | |
3393 | ||
3394 | `:family', `:weight', `:slant', `:width' | |
3395 | ||
3396 | They are the same as face attributes of the same name. See | |
51c01100 | 3397 | `set-face-attribute'. |
45eb10fb KH |
3398 | |
3399 | `:foundry' | |
3400 | ||
3401 | VALUE must be a string or a symbol specifying the font foundry, e.g. ``misc''. | |
3402 | ||
3403 | `:adstyle' | |
3404 | ||
3405 | VALUE must be a string or a symbol specifying the additional | |
35027d0c | 3406 | typographic style information of a font, e.g. ``sans''. |
45eb10fb KH |
3407 | |
3408 | `:registry' | |
3409 | ||
3410 | VALUE must be a string or a symbol specifying the charset registry and | |
3411 | encoding of a font, e.g. ``iso8859-1''. | |
3412 | ||
3413 | `:size' | |
3414 | ||
3415 | VALUE must be a non-negative integer or a floating point number | |
35027d0c | 3416 | specifying the font size. It specifies the font size in pixels |
f697fff0 KH |
3417 | (if VALUE is an integer), or in points (if VALUE is a float). |
3418 | usage: (font-spec ARGS ...) */) | |
c2f5bfd6 KH |
3419 | (nargs, args) |
3420 | int nargs; | |
3421 | Lisp_Object *args; | |
3422 | { | |
35027d0c | 3423 | Lisp_Object spec = font_make_spec (); |
c2f5bfd6 KH |
3424 | int i; |
3425 | ||
3426 | for (i = 0; i < nargs; i += 2) | |
3427 | { | |
c2f5bfd6 KH |
3428 | Lisp_Object key = args[i], val = args[i + 1]; |
3429 | ||
35027d0c KH |
3430 | if (EQ (key, QCname)) |
3431 | { | |
3432 | CHECK_STRING (val); | |
3433 | font_parse_name ((char *) SDATA (val), spec); | |
3434 | font_put_extra (spec, key, val); | |
3435 | } | |
3436 | else if (EQ (key, QCfamily)) | |
3437 | { | |
3438 | CHECK_STRING (val); | |
3439 | font_parse_family_registry (val, Qnil, spec); | |
3440 | } | |
c2f5bfd6 | 3441 | else |
4485a28e | 3442 | { |
35027d0c KH |
3443 | int idx = get_font_prop_index (key); |
3444 | ||
3445 | if (idx >= 0) | |
ec6fe57c | 3446 | { |
35027d0c KH |
3447 | val = font_prop_validate (idx, Qnil, val); |
3448 | if (idx < FONT_EXTRA_INDEX) | |
3449 | ASET (spec, idx, val); | |
3450 | else | |
3451 | font_put_extra (spec, key, val); | |
ec6fe57c | 3452 | } |
35027d0c KH |
3453 | else |
3454 | font_put_extra (spec, key, font_prop_validate (0, key, val)); | |
4485a28e | 3455 | } |
e950d6f1 | 3456 | } |
c2f5bfd6 KH |
3457 | return spec; |
3458 | } | |
3459 | ||
35027d0c KH |
3460 | DEFUN ("copy-font-spec", Fcopy_font_spec, Scopy_font_spec, 1, 1, 0, |
3461 | doc: /* Return a copy of FONT as a font-spec. */) | |
3462 | (font) | |
3463 | Lisp_Object font; | |
3464 | { | |
3465 | Lisp_Object new_spec, tail, extra; | |
3466 | int i; | |
3467 | ||
3468 | CHECK_FONT (font); | |
3469 | new_spec = font_make_spec (); | |
3470 | for (i = 1; i < FONT_EXTRA_INDEX; i++) | |
3471 | ASET (new_spec, i, AREF (font, i)); | |
3472 | extra = Qnil; | |
3473 | for (tail = AREF (font, FONT_EXTRA_INDEX); CONSP (tail); tail = XCDR (tail)) | |
3474 | { | |
3475 | if (! EQ (XCAR (XCAR (tail)), QCfont_entity)) | |
3476 | extra = Fcons (Fcons (XCAR (XCAR (tail)), XCDR (XCAR (tail))), extra); | |
3477 | } | |
3478 | ASET (new_spec, FONT_EXTRA_INDEX, extra); | |
3479 | return new_spec; | |
3480 | } | |
3481 | ||
3482 | DEFUN ("merge-font-spec", Fmerge_font_spec, Smerge_font_spec, 2, 2, 0, | |
3483 | doc: /* Merge font-specs FROM and TO, and return a new font-spec. | |
3484 | Every specified properties in FROM override the corresponding | |
3485 | properties in TO. */) | |
3486 | (from, to) | |
3487 | Lisp_Object from, to; | |
3488 | { | |
3489 | Lisp_Object extra, tail; | |
3490 | int i; | |
3491 | ||
3492 | CHECK_FONT (from); | |
3493 | CHECK_FONT (to); | |
3494 | to = Fcopy_font_spec (to); | |
3495 | for (i = 0; i < FONT_EXTRA_INDEX; i++) | |
3496 | ASET (to, i, AREF (from, i)); | |
3497 | extra = AREF (to, FONT_EXTRA_INDEX); | |
3498 | for (tail = AREF (from, FONT_EXTRA_INDEX); CONSP (tail); tail = XCDR (tail)) | |
3499 | if (! EQ (XCAR (XCAR (tail)), Qfont_entity)) | |
3500 | { | |
3501 | Lisp_Object slot = assq_no_quit (XCAR (XCAR (tail)), extra); | |
3502 | ||
3503 | if (! NILP (slot)) | |
3504 | XSETCDR (slot, XCDR (XCAR (tail))); | |
3505 | else | |
3506 | extra = Fcons (Fcons (XCAR (XCAR (tail)), XCDR (XCAR (tail))), extra); | |
3507 | } | |
3508 | ASET (to, FONT_EXTRA_INDEX, extra); | |
3509 | return to; | |
3510 | } | |
c2f5bfd6 KH |
3511 | |
3512 | DEFUN ("font-get", Ffont_get, Sfont_get, 2, 2, 0, | |
45eb10fb | 3513 | doc: /* Return the value of FONT's property KEY. |
e950d6f1 | 3514 | FONT is a font-spec, a font-entity, or a font-object. */) |
45eb10fb KH |
3515 | (font, key) |
3516 | Lisp_Object font, key; | |
c2f5bfd6 | 3517 | { |
35027d0c | 3518 | int idx; |
c2f5bfd6 | 3519 | |
35027d0c KH |
3520 | CHECK_FONT (font); |
3521 | CHECK_SYMBOL (key); | |
e80e09b4 | 3522 | |
35027d0c KH |
3523 | idx = get_font_prop_index (key); |
3524 | if (idx >= 0 && idx < FONT_EXTRA_INDEX) | |
c2f5bfd6 | 3525 | return AREF (font, idx); |
35027d0c | 3526 | return Fcdr (Fassq (key, AREF (font, FONT_EXTRA_INDEX))); |
c2f5bfd6 KH |
3527 | } |
3528 | ||
3529 | ||
3530 | DEFUN ("font-put", Ffont_put, Sfont_put, 3, 3, 0, | |
51c01100 | 3531 | doc: /* Set one property of FONT-SPEC: give property PROP value VAL. */) |
c2f5bfd6 KH |
3532 | (font_spec, prop, val) |
3533 | Lisp_Object font_spec, prop, val; | |
3534 | { | |
35027d0c | 3535 | int idx; |
c2f5bfd6 KH |
3536 | |
3537 | CHECK_FONT_SPEC (font_spec); | |
35027d0c KH |
3538 | idx = get_font_prop_index (prop); |
3539 | if (idx >= 0 && idx < FONT_EXTRA_INDEX) | |
3540 | { | |
3541 | if (idx == FONT_FAMILY_INDEX | |
3542 | && STRINGP (val)) | |
3543 | font_parse_family_registry (val, Qnil, font_spec); | |
3544 | else | |
3545 | ASET (font_spec, idx, font_prop_validate (idx, Qnil, val)); | |
3546 | } | |
c2f5bfd6 | 3547 | else |
35027d0c | 3548 | font_put_extra (font_spec, prop, font_prop_validate (0, prop, val)); |
c2f5bfd6 KH |
3549 | return val; |
3550 | } | |
3551 | ||
3552 | DEFUN ("list-fonts", Flist_fonts, Slist_fonts, 1, 4, 0, | |
3553 | doc: /* List available fonts matching FONT-SPEC on the current frame. | |
3554 | Optional 2nd argument FRAME specifies the target frame. | |
3555 | Optional 3rd argument NUM, if non-nil, limits the number of returned fonts. | |
45eb10fb KH |
3556 | Optional 4th argument PREFER, if non-nil, is a font-spec to |
3557 | control the order of the returned list. Fonts are sorted by | |
027a33c0 | 3558 | how close they are to PREFER. */) |
c2f5bfd6 KH |
3559 | (font_spec, frame, num, prefer) |
3560 | Lisp_Object font_spec, frame, num, prefer; | |
3561 | { | |
3562 | Lisp_Object vec, list, tail; | |
3563 | int n = 0, i, len; | |
3564 | ||
3565 | if (NILP (frame)) | |
3566 | frame = selected_frame; | |
3567 | CHECK_LIVE_FRAME (frame); | |
35027d0c | 3568 | CHECK_FONT_SPEC (font_spec); |
c2f5bfd6 KH |
3569 | if (! NILP (num)) |
3570 | { | |
3571 | CHECK_NUMBER (num); | |
3572 | n = XINT (num); | |
3573 | if (n <= 0) | |
3574 | return Qnil; | |
3575 | } | |
3576 | if (! NILP (prefer)) | |
35027d0c | 3577 | CHECK_FONT_SPEC (prefer); |
c2f5bfd6 KH |
3578 | |
3579 | vec = font_list_entities (frame, font_spec); | |
3580 | len = ASIZE (vec); | |
3581 | if (len == 0) | |
3582 | return Qnil; | |
3583 | if (len == 1) | |
3584 | return Fcons (AREF (vec, 0), Qnil); | |
3585 | ||
3586 | if (! NILP (prefer)) | |
35027d0c | 3587 | vec = font_sort_entites (vec, prefer, frame, font_spec, 0); |
c2f5bfd6 KH |
3588 | |
3589 | list = tail = Fcons (AREF (vec, 0), Qnil); | |
3590 | if (n == 0 || n > len) | |
3591 | n = len; | |
3592 | for (i = 1; i < n; i++) | |
3593 | { | |
3594 | Lisp_Object val = Fcons (AREF (vec, i), Qnil); | |
3595 | ||
3596 | XSETCDR (tail, val); | |
3597 | tail = val; | |
3598 | } | |
3599 | return list; | |
3600 | } | |
3601 | ||
35027d0c | 3602 | DEFUN ("font-family-list", Ffont_family_list, Sfont_family_list, 0, 1, 0, |
c2f5bfd6 | 3603 | doc: /* List available font families on the current frame. |
027a33c0 | 3604 | Optional argument FRAME, if non-nil, specifies the target frame. */) |
c2f5bfd6 KH |
3605 | (frame) |
3606 | Lisp_Object frame; | |
3607 | { | |
3608 | FRAME_PTR f; | |
3609 | struct font_driver_list *driver_list; | |
3610 | Lisp_Object list; | |
3611 | ||
3612 | if (NILP (frame)) | |
3613 | frame = selected_frame; | |
3614 | CHECK_LIVE_FRAME (frame); | |
3615 | f = XFRAME (frame); | |
3616 | list = Qnil; | |
3617 | for (driver_list = f->font_driver_list; driver_list; | |
3618 | driver_list = driver_list->next) | |
3619 | if (driver_list->driver->list_family) | |
3620 | { | |
3621 | Lisp_Object val = driver_list->driver->list_family (frame); | |
3622 | ||
3623 | if (NILP (list)) | |
3624 | list = val; | |
3625 | else | |
3626 | { | |
3627 | Lisp_Object tail = list; | |
3628 | ||
3629 | for (; CONSP (val); val = XCDR (val)) | |
3630 | if (NILP (Fmemq (XCAR (val), tail))) | |
3631 | list = Fcons (XCAR (val), list); | |
3632 | } | |
3633 | } | |
3634 | return list; | |
3635 | } | |
3636 | ||
3637 | DEFUN ("find-font", Ffind_font, Sfind_font, 1, 2, 0, | |
3638 | doc: /* Return a font-entity matching with FONT-SPEC on the current frame. | |
3639 | Optional 2nd argument FRAME, if non-nil, specifies the target frame. */) | |
3640 | (font_spec, frame) | |
3641 | Lisp_Object font_spec, frame; | |
3642 | { | |
3643 | Lisp_Object val = Flist_fonts (font_spec, frame, make_number (1), Qnil); | |
3644 | ||
3645 | if (CONSP (val)) | |
3646 | val = XCAR (val); | |
3647 | return val; | |
3648 | } | |
3649 | ||
d0ab1ebe | 3650 | DEFUN ("font-xlfd-name", Ffont_xlfd_name, Sfont_xlfd_name, 1, 2, 0, |
c2f5bfd6 KH |
3651 | doc: /* Return XLFD name of FONT. |
3652 | FONT is a font-spec, font-entity, or font-object. | |
d0ab1ebe KH |
3653 | If the name is too long for XLFD (maximum 255 chars), return nil. |
3654 | If the 2nd optional arg FOLD-WILDCARDS is non-nil, | |
3655 | the consecutive wildcards are folded to one. */) | |
3656 | (font, fold_wildcards) | |
3657 | Lisp_Object font, fold_wildcards; | |
c2f5bfd6 KH |
3658 | { |
3659 | char name[256]; | |
3660 | int pixel_size = 0; | |
3661 | ||
35027d0c KH |
3662 | CHECK_FONT (font); |
3663 | ||
3664 | if (FONT_OBJECT_P (font)) | |
c2f5bfd6 | 3665 | { |
35027d0c | 3666 | Lisp_Object font_name = AREF (font, FONT_NAME_INDEX); |
c2f5bfd6 | 3667 | |
35027d0c KH |
3668 | if (STRINGP (font_name) |
3669 | && SDATA (font_name)[0] == '-') | |
d0ab1ebe KH |
3670 | { |
3671 | if (NILP (fold_wildcards)) | |
3672 | return font_name; | |
3673 | strcpy (name, (char *) SDATA (font_name)); | |
3674 | goto done; | |
3675 | } | |
35027d0c | 3676 | pixel_size = XFONT_OBJECT (font)->pixel_size; |
c2f5bfd6 | 3677 | } |
c2f5bfd6 KH |
3678 | if (font_unparse_xlfd (font, pixel_size, name, 256) < 0) |
3679 | return Qnil; | |
d0ab1ebe KH |
3680 | done: |
3681 | if (! NILP (fold_wildcards)) | |
3682 | { | |
3683 | char *p0 = name, *p1; | |
3684 | ||
3685 | while ((p1 = strstr (p0, "-*-*"))) | |
3686 | { | |
3687 | strcpy (p1, p1 + 2); | |
3688 | p0 = p1; | |
3689 | } | |
3690 | } | |
3691 | ||
c2f5bfd6 KH |
3692 | return build_string (name); |
3693 | } | |
3694 | ||
3695 | DEFUN ("clear-font-cache", Fclear_font_cache, Sclear_font_cache, 0, 0, 0, | |
3696 | doc: /* Clear font cache. */) | |
3697 | () | |
3698 | { | |
3699 | Lisp_Object list, frame; | |
3700 | ||
3701 | FOR_EACH_FRAME (list, frame) | |
3702 | { | |
3703 | FRAME_PTR f = XFRAME (frame); | |
3704 | struct font_driver_list *driver_list = f->font_driver_list; | |
3705 | ||
3706 | for (; driver_list; driver_list = driver_list->next) | |
417a1b10 KH |
3707 | if (driver_list->on) |
3708 | { | |
ca4da08a KH |
3709 | Lisp_Object cache = driver_list->driver->get_cache (f); |
3710 | Lisp_Object val; | |
51c01100 | 3711 | |
ca4da08a | 3712 | val = XCDR (cache); |
43c0454d KH |
3713 | while (! NILP (val) |
3714 | && ! EQ (XCAR (XCAR (val)), driver_list->driver->type)) | |
ca4da08a | 3715 | val = XCDR (val); |
d0ab1ebe | 3716 | font_assert (! NILP (val)); |
ca4da08a KH |
3717 | val = XCDR (XCAR (val)); |
3718 | if (XINT (XCAR (val)) == 0) | |
417a1b10 | 3719 | { |
ca4da08a KH |
3720 | font_clear_cache (f, XCAR (val), driver_list->driver); |
3721 | XSETCDR (cache, XCDR (val)); | |
417a1b10 | 3722 | } |
417a1b10 | 3723 | } |
c2f5bfd6 KH |
3724 | } |
3725 | ||
3726 | return Qnil; | |
3727 | } | |
3728 | ||
68eaeee4 | 3729 | /* The following three functions are still experimental. */ |
45eb10fb | 3730 | |
c2f5bfd6 | 3731 | DEFUN ("font-make-gstring", Ffont_make_gstring, Sfont_make_gstring, 2, 2, 0, |
e80e09b4 KH |
3732 | doc: /* Return a newly created g-string for FONT-OBJECT with NUM glyphs. |
3733 | FONT-OBJECT may be nil if it is not yet known. | |
3734 | ||
3735 | G-string is sequence of glyphs of a specific font, | |
3736 | and is a vector of this form: | |
3737 | [ HEADER GLYPH ... ] | |
3738 | HEADER is a vector of this form: | |
1701724c | 3739 | [FONT-OBJECT WIDTH LBEARING RBEARING ASCENT DESCENT] |
e80e09b4 | 3740 | where |
733fd013 | 3741 | FONT-OBJECT is a font-object for all glyphs in the g-string, |
027a33c0 | 3742 | WIDTH thru DESCENT are the metrics (in pixels) of the whole G-string. |
e80e09b4 | 3743 | GLYPH is a vector of this form: |
1701724c KH |
3744 | [ FROM-IDX TO-IDX C CODE WIDTH LBEARING RBEARING ASCENT DESCENT |
3745 | [ [X-OFF Y-OFF WADJUST] | nil] ] | |
e80e09b4 KH |
3746 | where |
3747 | FROM-IDX and TO-IDX are used internally and should not be touched. | |
3748 | C is the character of the glyph. | |
3749 | CODE is the glyph-code of C in FONT-OBJECT. | |
027a33c0 | 3750 | WIDTH thru DESCENT are the metrics (in pixels) of the glyph. |
e80e09b4 | 3751 | X-OFF and Y-OFF are offests to the base position for the glyph. |
e80e09b4 | 3752 | WADJUST is the adjustment to the normal width of the glyph. */) |
c2f5bfd6 KH |
3753 | (font_object, num) |
3754 | Lisp_Object font_object, num; | |
3755 | { | |
3756 | Lisp_Object gstring, g; | |
3757 | int len; | |
3758 | int i; | |
3759 | ||
3760 | if (! NILP (font_object)) | |
3761 | CHECK_FONT_OBJECT (font_object); | |
3762 | CHECK_NATNUM (num); | |
3763 | ||
3764 | len = XINT (num) + 1; | |
3765 | gstring = Fmake_vector (make_number (len), Qnil); | |
3766 | g = Fmake_vector (make_number (6), Qnil); | |
3767 | ASET (g, 0, font_object); | |
3768 | ASET (gstring, 0, g); | |
3769 | for (i = 1; i < len; i++) | |
1701724c | 3770 | ASET (gstring, i, Fmake_vector (make_number (10), Qnil)); |
c2f5bfd6 KH |
3771 | return gstring; |
3772 | } | |
3773 | ||
3774 | DEFUN ("font-fill-gstring", Ffont_fill_gstring, Sfont_fill_gstring, 4, 5, 0, | |
51c01100 JB |
3775 | doc: /* Fill in glyph-string GSTRING by characters for FONT-OBJECT. |
3776 | START and END specify the region to extract characters. | |
3777 | If optional 5rd argument OBJECT is non-nil, it is a buffer or a string from | |
c2f5bfd6 | 3778 | where to extract characters. |
027a33c0 | 3779 | FONT-OBJECT may be nil if GSTRING already contains one. */) |
c2f5bfd6 KH |
3780 | (gstring, font_object, start, end, object) |
3781 | Lisp_Object gstring, font_object, start, end, object; | |
3782 | { | |
3783 | int len, i, c; | |
3784 | unsigned code; | |
3785 | struct font *font; | |
3786 | ||
3787 | CHECK_VECTOR (gstring); | |
3788 | if (NILP (font_object)) | |
10d16101 | 3789 | font_object = LGSTRING_FONT (gstring); |
35027d0c | 3790 | font = XFONT_OBJECT (font_object); |
c2f5bfd6 KH |
3791 | |
3792 | if (STRINGP (object)) | |
3793 | { | |
3794 | const unsigned char *p; | |
3795 | ||
3796 | CHECK_NATNUM (start); | |
3797 | CHECK_NATNUM (end); | |
3798 | if (XINT (start) > XINT (end) | |
3799 | || XINT (end) > ASIZE (object) | |
10d16101 | 3800 | || XINT (end) - XINT (start) > LGSTRING_LENGTH (gstring)) |
1701724c | 3801 | args_out_of_range_3 (object, start, end); |
c2f5bfd6 KH |
3802 | |
3803 | len = XINT (end) - XINT (start); | |
3804 | p = SDATA (object) + string_char_to_byte (object, XINT (start)); | |
3805 | for (i = 0; i < len; i++) | |
3806 | { | |
3807 | Lisp_Object g = LGSTRING_GLYPH (gstring, i); | |
2930d117 EZ |
3808 | /* Shut up GCC warning in comparison with |
3809 | MOST_POSITIVE_FIXNUM below. */ | |
3810 | EMACS_INT cod; | |
c2f5bfd6 KH |
3811 | |
3812 | c = STRING_CHAR_ADVANCE (p); | |
2930d117 EZ |
3813 | cod = code = font->driver->encode_char (font, c); |
3814 | if (cod > MOST_POSITIVE_FIXNUM || code == FONT_INVALID_CODE) | |
40fb53d6 | 3815 | break; |
1701724c KH |
3816 | LGLYPH_SET_FROM (g, i); |
3817 | LGLYPH_SET_TO (g, i); | |
3818 | LGLYPH_SET_CHAR (g, c); | |
3819 | LGLYPH_SET_CODE (g, code); | |
c2f5bfd6 KH |
3820 | } |
3821 | } | |
3822 | else | |
3823 | { | |
3824 | int pos, pos_byte; | |
3825 | ||
3826 | if (! NILP (object)) | |
3827 | Fset_buffer (object); | |
3828 | validate_region (&start, &end); | |
10d16101 | 3829 | if (XINT (end) - XINT (start) > LGSTRING_LENGTH (gstring)) |
c2f5bfd6 KH |
3830 | args_out_of_range (start, end); |
3831 | len = XINT (end) - XINT (start); | |
3832 | pos = XINT (start); | |
3833 | pos_byte = CHAR_TO_BYTE (pos); | |
3834 | for (i = 0; i < len; i++) | |
3835 | { | |
3836 | Lisp_Object g = LGSTRING_GLYPH (gstring, i); | |
2930d117 EZ |
3837 | /* Shut up GCC warning in comparison with |
3838 | MOST_POSITIVE_FIXNUM below. */ | |
3839 | EMACS_INT cod; | |
c2f5bfd6 KH |
3840 | |
3841 | FETCH_CHAR_ADVANCE (c, pos, pos_byte); | |
2930d117 EZ |
3842 | cod = code = font->driver->encode_char (font, c); |
3843 | if (cod > MOST_POSITIVE_FIXNUM || code == FONT_INVALID_CODE) | |
40fb53d6 | 3844 | break; |
1701724c KH |
3845 | LGLYPH_SET_FROM (g, i); |
3846 | LGLYPH_SET_TO (g, i); | |
3847 | LGLYPH_SET_CHAR (g, c); | |
3848 | LGLYPH_SET_CODE (g, code); | |
c2f5bfd6 KH |
3849 | } |
3850 | } | |
40fb53d6 | 3851 | for (; i < LGSTRING_LENGTH (gstring); i++) |
51c01100 | 3852 | LGSTRING_SET_GLYPH (gstring, i, Qnil); |
1701724c KH |
3853 | return Qnil; |
3854 | } | |
3855 | ||
3856 | DEFUN ("font-shape-text", Ffont_shape_text, Sfont_shape_text, 3, 4, 0, | |
3857 | doc: /* Shape text between FROM and TO by FONT-OBJECT. | |
3858 | If optional 4th argument STRING is non-nil, it is a string to shape, | |
3859 | and FROM and TO are indices to the string. | |
40fb53d6 KH |
3860 | The value is the end position of the text that can be shaped by |
3861 | FONT-OBJECT. */) | |
1701724c KH |
3862 | (from, to, font_object, string) |
3863 | Lisp_Object from, to, font_object, string; | |
3864 | { | |
3865 | struct font *font; | |
3866 | struct font_metrics metrics; | |
3867 | EMACS_INT start, end; | |
3868 | Lisp_Object gstring, n; | |
35027d0c | 3869 | int len, i; |
1701724c | 3870 | |
b876ea91 KH |
3871 | if (! FONT_OBJECT_P (font_object)) |
3872 | return Qnil; | |
35027d0c | 3873 | font = XFONT_OBJECT (font_object); |
b876ea91 KH |
3874 | if (! font->driver->shape) |
3875 | return Qnil; | |
3876 | ||
1701724c KH |
3877 | if (NILP (string)) |
3878 | { | |
3879 | validate_region (&from, &to); | |
3880 | start = XFASTINT (from); | |
3881 | end = XFASTINT (to); | |
3882 | modify_region (current_buffer, start, end, 0); | |
3883 | } | |
3884 | else | |
3885 | { | |
3886 | CHECK_STRING (string); | |
3887 | start = XINT (from); | |
3888 | end = XINT (to); | |
3889 | if (start < 0 || start > end || end > SCHARS (string)) | |
3890 | args_out_of_range_3 (string, from, to); | |
3891 | } | |
3892 | ||
40fb53d6 KH |
3893 | len = end - start; |
3894 | gstring = Ffont_make_gstring (font_object, make_number (len)); | |
1701724c | 3895 | Ffont_fill_gstring (gstring, font_object, from, to, string); |
51c01100 | 3896 | |
40fb53d6 KH |
3897 | /* Try at most three times with larger gstring each time. */ |
3898 | for (i = 0; i < 3; i++) | |
3899 | { | |
3900 | Lisp_Object args[2]; | |
3901 | ||
3902 | n = font->driver->shape (gstring); | |
3903 | if (INTEGERP (n)) | |
3904 | break; | |
3905 | args[0] = gstring; | |
3906 | args[1] = Fmake_vector (make_number (len), Qnil); | |
3907 | gstring = Fvconcat (2, args); | |
3908 | } | |
3909 | if (! INTEGERP (n) || XINT (n) == 0) | |
1701724c | 3910 | return Qnil; |
40fb53d6 KH |
3911 | len = XINT (n); |
3912 | ||
3913 | for (i = 0; i < len;) | |
10d16101 | 3914 | { |
1701724c | 3915 | Lisp_Object gstr; |
10d16101 | 3916 | Lisp_Object g = LGSTRING_GLYPH (gstring, i); |
1701724c KH |
3917 | EMACS_INT this_from = LGLYPH_FROM (g); |
3918 | EMACS_INT this_to = LGLYPH_TO (g) + 1; | |
3919 | int j, k; | |
b2937119 | 3920 | int need_composition = 0; |
1701724c KH |
3921 | |
3922 | metrics.lbearing = LGLYPH_LBEARING (g); | |
3923 | metrics.rbearing = LGLYPH_RBEARING (g); | |
3924 | metrics.ascent = LGLYPH_ASCENT (g); | |
3925 | metrics.descent = LGLYPH_DESCENT (g); | |
3926 | if (NILP (LGLYPH_ADJUSTMENT (g))) | |
b2937119 KH |
3927 | { |
3928 | metrics.width = LGLYPH_WIDTH (g); | |
f9ffa1ea | 3929 | if (LGLYPH_CHAR (g) == 0 || metrics.width == 0) |
b2937119 KH |
3930 | need_composition = 1; |
3931 | } | |
1701724c KH |
3932 | else |
3933 | { | |
3934 | metrics.width = LGLYPH_WADJUST (g); | |
3935 | metrics.lbearing += LGLYPH_XOFF (g); | |
3936 | metrics.rbearing += LGLYPH_XOFF (g); | |
3937 | metrics.ascent -= LGLYPH_YOFF (g); | |
3938 | metrics.descent += LGLYPH_YOFF (g); | |
b2937119 | 3939 | need_composition = 1; |
1701724c | 3940 | } |
40fb53d6 | 3941 | for (j = i + 1; j < len; j++) |
1701724c KH |
3942 | { |
3943 | int x; | |
3944 | ||
3945 | g = LGSTRING_GLYPH (gstring, j); | |
3946 | if (this_from != LGLYPH_FROM (g)) | |
3947 | break; | |
b2937119 | 3948 | need_composition = 1; |
1701724c KH |
3949 | x = metrics.width + LGLYPH_LBEARING (g) + LGLYPH_XOFF (g); |
3950 | if (metrics.lbearing > x) | |
3951 | metrics.lbearing = x; | |
3952 | x = metrics.width + LGLYPH_RBEARING (g) + LGLYPH_XOFF (g); | |
3953 | if (metrics.rbearing < x) | |
3954 | metrics.rbearing = x; | |
3955 | x = LGLYPH_ASCENT (g) - LGLYPH_YOFF (g); | |
3956 | if (metrics.ascent < x) | |
3957 | metrics.ascent = x; | |
3958 | x = LGLYPH_DESCENT (g) - LGLYPH_YOFF (g); | |
3959 | if (metrics.descent < x) | |
3960 | metrics.descent = x; | |
3961 | if (NILP (LGLYPH_ADJUSTMENT (g))) | |
3962 | metrics.width += LGLYPH_WIDTH (g); | |
3963 | else | |
3964 | metrics.width += LGLYPH_WADJUST (g); | |
3965 | } | |
10d16101 | 3966 | |
b2937119 KH |
3967 | if (need_composition) |
3968 | { | |
3969 | gstr = Ffont_make_gstring (font_object, make_number (j - i)); | |
3970 | LGSTRING_SET_WIDTH (gstr, metrics.width); | |
3971 | LGSTRING_SET_LBEARING (gstr, metrics.lbearing); | |
3972 | LGSTRING_SET_RBEARING (gstr, metrics.rbearing); | |
3973 | LGSTRING_SET_ASCENT (gstr, metrics.ascent); | |
3974 | LGSTRING_SET_DESCENT (gstr, metrics.descent); | |
3975 | for (k = i; i < j; i++) | |
e8912e41 KH |
3976 | { |
3977 | Lisp_Object g = LGSTRING_GLYPH (gstring, i); | |
3978 | ||
3979 | LGLYPH_SET_FROM (g, LGLYPH_FROM (g) - this_from); | |
95d0a340 | 3980 | LGLYPH_SET_TO (g, LGLYPH_TO (g) - this_from); |
e8912e41 KH |
3981 | LGSTRING_SET_GLYPH (gstr, i - k, LGSTRING_GLYPH (gstring, i)); |
3982 | } | |
b2937119 KH |
3983 | from = make_number (start + this_from); |
3984 | to = make_number (start + this_to); | |
3985 | if (NILP (string)) | |
3986 | Fcompose_region_internal (from, to, gstr, Qnil); | |
3987 | else | |
3988 | Fcompose_string_internal (string, from, to, gstr, Qnil); | |
3989 | } | |
1701724c | 3990 | else |
b2937119 | 3991 | i = j; |
10d16101 | 3992 | } |
1701724c | 3993 | |
14065d35 | 3994 | return to; |
c2f5bfd6 KH |
3995 | } |
3996 | ||
6a3dadd2 KH |
3997 | #if 0 |
3998 | ||
733fd013 KH |
3999 | DEFUN ("font-drive-otf", Ffont_drive_otf, Sfont_drive_otf, 6, 6, 0, |
4000 | doc: /* Apply OpenType features on glyph-string GSTRING-IN. | |
51c01100 | 4001 | OTF-FEATURES specifies which features to apply in this format: |
733fd013 | 4002 | (SCRIPT LANGSYS GSUB GPOS) |
e80e09b4 KH |
4003 | where |
4004 | SCRIPT is a symbol specifying a script tag of OpenType, | |
4005 | LANGSYS is a symbol specifying a langsys tag of OpenType, | |
733fd013 | 4006 | GSUB and GPOS, if non-nil, are lists of symbols specifying feature tags. |
e80e09b4 KH |
4007 | |
4008 | If LANGYS is nil, the default langsys is selected. | |
4009 | ||
51c01100 JB |
4010 | The features are applied in the order they appear in the list. The |
4011 | symbol `*' means to apply all available features not present in this | |
733fd013 KH |
4012 | list, and the remaining features are ignored. For instance, (vatu |
4013 | pstf * haln) is to apply vatu and pstf in this order, then to apply | |
4014 | all available features other than vatu, pstf, and haln. | |
e80e09b4 KH |
4015 | |
4016 | The features are applied to the glyphs in the range FROM and TO of | |
733fd013 | 4017 | the glyph-string GSTRING-IN. |
e80e09b4 | 4018 | |
51c01100 | 4019 | If some feature is actually applicable, the resulting glyphs are |
e80e09b4 KH |
4020 | produced in the glyph-string GSTRING-OUT from the index INDEX. In |
4021 | this case, the value is the number of produced glyphs. | |
4022 | ||
4023 | If no feature is applicable, no glyph is produced in GSTRING-OUT, and | |
4024 | the value is 0. | |
4025 | ||
51c01100 | 4026 | If GSTRING-OUT is too short to hold produced glyphs, no glyphs are |
e80e09b4 KH |
4027 | produced in GSTRING-OUT, and the value is nil. |
4028 | ||
4029 | See the documentation of `font-make-gstring' for the format of | |
4030 | glyph-string. */) | |
733fd013 KH |
4031 | (otf_features, gstring_in, from, to, gstring_out, index) |
4032 | Lisp_Object otf_features, gstring_in, from, to, gstring_out, index; | |
e80e09b4 KH |
4033 | { |
4034 | Lisp_Object font_object = LGSTRING_FONT (gstring_in); | |
733fd013 KH |
4035 | Lisp_Object val; |
4036 | struct font *font; | |
e80e09b4 KH |
4037 | int len, num; |
4038 | ||
733fd013 | 4039 | check_otf_features (otf_features); |
35027d0c KH |
4040 | CHECK_FONT_OBJECT (font_object); |
4041 | font = XFONT_OBJECT (font_object); | |
733fd013 | 4042 | if (! font->driver->otf_drive) |
e80e09b4 KH |
4043 | error ("Font backend %s can't drive OpenType GSUB table", |
4044 | SDATA (SYMBOL_NAME (font->driver->type))); | |
733fd013 KH |
4045 | CHECK_CONS (otf_features); |
4046 | CHECK_SYMBOL (XCAR (otf_features)); | |
4047 | val = XCDR (otf_features); | |
4048 | CHECK_SYMBOL (XCAR (val)); | |
4049 | val = XCDR (otf_features); | |
4050 | if (! NILP (val)) | |
4051 | CHECK_CONS (val); | |
e80e09b4 KH |
4052 | len = check_gstring (gstring_in); |
4053 | CHECK_VECTOR (gstring_out); | |
4054 | CHECK_NATNUM (from); | |
4055 | CHECK_NATNUM (to); | |
4056 | CHECK_NATNUM (index); | |
4057 | ||
4058 | if (XINT (from) >= XINT (to) || XINT (to) > len) | |
4059 | args_out_of_range_3 (from, to, make_number (len)); | |
4060 | if (XINT (index) >= ASIZE (gstring_out)) | |
4061 | args_out_of_range (index, make_number (ASIZE (gstring_out))); | |
733fd013 KH |
4062 | num = font->driver->otf_drive (font, otf_features, |
4063 | gstring_in, XINT (from), XINT (to), | |
4064 | gstring_out, XINT (index), 0); | |
e80e09b4 KH |
4065 | if (num < 0) |
4066 | return Qnil; | |
4067 | return make_number (num); | |
4068 | } | |
4069 | ||
e80e09b4 KH |
4070 | DEFUN ("font-otf-alternates", Ffont_otf_alternates, Sfont_otf_alternates, |
4071 | 3, 3, 0, | |
4072 | doc: /* Return a list of alternate glyphs of CHARACTER in FONT-OBJECT. | |
51c01100 | 4073 | OTF-FEATURES specifies which features of the font FONT-OBJECT to apply |
e80e09b4 KH |
4074 | in this format: |
4075 | (SCRIPT LANGSYS FEATURE ...) | |
027a33c0 | 4076 | See the documentation of `font-drive-otf' for more detail. |
e80e09b4 KH |
4077 | |
4078 | The value is a list of cons cells of the format (GLYPH-ID . CHARACTER), | |
4079 | where GLYPH-ID is a glyph index of the font, and CHARACTER is a | |
4080 | character code corresponding to the glyph or nil if there's no | |
4081 | corresponding character. */) | |
733fd013 KH |
4082 | (font_object, character, otf_features) |
4083 | Lisp_Object font_object, character, otf_features; | |
e80e09b4 KH |
4084 | { |
4085 | struct font *font; | |
4086 | Lisp_Object gstring_in, gstring_out, g; | |
4087 | Lisp_Object alternates; | |
4088 | int i, num; | |
4089 | ||
4090 | CHECK_FONT_GET_OBJECT (font_object, font); | |
733fd013 | 4091 | if (! font->driver->otf_drive) |
e950d6f1 KH |
4092 | error ("Font backend %s can't drive OpenType GSUB table", |
4093 | SDATA (SYMBOL_NAME (font->driver->type))); | |
e80e09b4 | 4094 | CHECK_CHARACTER (character); |
733fd013 | 4095 | CHECK_CONS (otf_features); |
e80e09b4 KH |
4096 | |
4097 | gstring_in = Ffont_make_gstring (font_object, make_number (1)); | |
4098 | g = LGSTRING_GLYPH (gstring_in, 0); | |
f9ffa1ea | 4099 | LGLYPH_SET_CHAR (g, XINT (character)); |
e80e09b4 | 4100 | gstring_out = Ffont_make_gstring (font_object, make_number (10)); |
733fd013 KH |
4101 | while ((num = font->driver->otf_drive (font, otf_features, gstring_in, 0, 1, |
4102 | gstring_out, 0, 1)) < 0) | |
e80e09b4 KH |
4103 | gstring_out = Ffont_make_gstring (font_object, |
4104 | make_number (ASIZE (gstring_out) * 2)); | |
4105 | alternates = Qnil; | |
4106 | for (i = 0; i < num; i++) | |
4107 | { | |
4108 | Lisp_Object g = LGSTRING_GLYPH (gstring_out, i); | |
f9ffa1ea SM |
4109 | int c = LGLYPH_CHAR (g); |
4110 | unsigned code = LGLYPH_CODE (g); | |
e80e09b4 KH |
4111 | |
4112 | alternates = Fcons (Fcons (make_number (code), | |
4113 | c > 0 ? make_number (c) : Qnil), | |
4114 | alternates); | |
4115 | } | |
4116 | return Fnreverse (alternates); | |
4117 | } | |
6a3dadd2 | 4118 | #endif /* 0 */ |
c2f5bfd6 KH |
4119 | |
4120 | #ifdef FONT_DEBUG | |
4121 | ||
4122 | DEFUN ("open-font", Fopen_font, Sopen_font, 1, 3, 0, | |
4123 | doc: /* Open FONT-ENTITY. */) | |
4124 | (font_entity, size, frame) | |
4125 | Lisp_Object font_entity; | |
4126 | Lisp_Object size; | |
4127 | Lisp_Object frame; | |
4128 | { | |
4129 | int isize; | |
4130 | ||
4131 | CHECK_FONT_ENTITY (font_entity); | |
c2f5bfd6 KH |
4132 | if (NILP (frame)) |
4133 | frame = selected_frame; | |
4134 | CHECK_LIVE_FRAME (frame); | |
51c01100 | 4135 | |
35027d0c KH |
4136 | if (NILP (size)) |
4137 | isize = XINT (AREF (font_entity, FONT_SIZE_INDEX)); | |
4138 | else | |
4139 | { | |
4140 | CHECK_NUMBER_OR_FLOAT (size); | |
4141 | if (FLOATP (size)) | |
4142 | isize = POINT_TO_PIXEL (- isize, XFRAME (frame)->resy); | |
4143 | else | |
4144 | isize = XINT (size); | |
4145 | if (isize == 0) | |
4146 | isize = 120; | |
4147 | } | |
c2f5bfd6 KH |
4148 | return font_open_entity (XFRAME (frame), font_entity, isize); |
4149 | } | |
4150 | ||
4151 | DEFUN ("close-font", Fclose_font, Sclose_font, 1, 2, 0, | |
4152 | doc: /* Close FONT-OBJECT. */) | |
4153 | (font_object, frame) | |
4154 | Lisp_Object font_object, frame; | |
4155 | { | |
4156 | CHECK_FONT_OBJECT (font_object); | |
4157 | if (NILP (frame)) | |
4158 | frame = selected_frame; | |
4159 | CHECK_LIVE_FRAME (frame); | |
4160 | font_close_object (XFRAME (frame), font_object); | |
4161 | return Qnil; | |
4162 | } | |
4163 | ||
4164 | DEFUN ("query-font", Fquery_font, Squery_font, 1, 1, 0, | |
e80e09b4 KH |
4165 | doc: /* Return information about FONT-OBJECT. |
4166 | The value is a vector: | |
4167 | [ NAME FILENAME PIXEL-SIZE SIZE ASCENT DESCENT SPACE-WIDTH AVERAGE-WIDTH | |
e0708580 | 4168 | CAPABILITY ] |
e80e09b4 KH |
4169 | |
4170 | NAME is a string of the font name (or nil if the font backend doesn't | |
4171 | provide a name). | |
4172 | ||
4173 | FILENAME is a string of the font file (or nil if the font backend | |
4174 | doesn't provide a file name). | |
4175 | ||
4176 | PIXEL-SIZE is a pixel size by which the font is opened. | |
4177 | ||
027a33c0 | 4178 | SIZE is a maximum advance width of the font in pixels. |
e80e09b4 KH |
4179 | |
4180 | ASCENT, DESCENT, SPACE-WIDTH, AVERAGE-WIDTH are metrics of the font in | |
027a33c0 | 4181 | pixels. |
e80e09b4 | 4182 | |
e0708580 KH |
4183 | CAPABILITY is a list whose first element is a symbol representing the |
4184 | font format \(x, opentype, truetype, type1, pcf, or bdf) and the | |
027a33c0 | 4185 | remaining elements describe the details of the font capability. |
e0708580 KH |
4186 | |
4187 | If the font is OpenType font, the form of the list is | |
4188 | \(opentype GSUB GPOS) | |
4189 | where GSUB shows which "GSUB" features the font supports, and GPOS | |
4190 | shows which "GPOS" features the font supports. Both GSUB and GPOS are | |
4191 | lists of the format: | |
4192 | \((SCRIPT (LANGSYS FEATURE ...) ...) ...) | |
4193 | ||
4194 | If the font is not OpenType font, currently the length of the form is | |
4195 | one. | |
e80e09b4 KH |
4196 | |
4197 | SCRIPT is a symbol representing OpenType script tag. | |
4198 | ||
4199 | LANGSYS is a symbol representing OpenType langsys tag, or nil | |
4200 | representing the default langsys. | |
4201 | ||
51c01100 | 4202 | FEATURE is a symbol representing OpenType feature tag. |
e80e09b4 | 4203 | |
51c01100 | 4204 | If the font is not OpenType font, CAPABILITY is nil. */) |
c2f5bfd6 KH |
4205 | (font_object) |
4206 | Lisp_Object font_object; | |
4207 | { | |
4208 | struct font *font; | |
4209 | Lisp_Object val; | |
4210 | ||
4211 | CHECK_FONT_GET_OBJECT (font_object, font); | |
4212 | ||
4213 | val = Fmake_vector (make_number (9), Qnil); | |
35027d0c KH |
4214 | ASET (val, 0, AREF (font_object, FONT_NAME_INDEX)); |
4215 | ASET (val, 1, AREF (font_object, FONT_FILE_INDEX)); | |
c2f5bfd6 | 4216 | ASET (val, 2, make_number (font->pixel_size)); |
35027d0c | 4217 | ASET (val, 3, make_number (font->max_width)); |
c2f5bfd6 KH |
4218 | ASET (val, 4, make_number (font->ascent)); |
4219 | ASET (val, 5, make_number (font->descent)); | |
35027d0c KH |
4220 | ASET (val, 6, make_number (font->space_width)); |
4221 | ASET (val, 7, make_number (font->average_width)); | |
c2f5bfd6 | 4222 | if (font->driver->otf_capability) |
e0708580 | 4223 | ASET (val, 8, Fcons (Qopentype, font->driver->otf_capability (font))); |
c2f5bfd6 KH |
4224 | return val; |
4225 | } | |
4226 | ||
4227 | DEFUN ("get-font-glyphs", Fget_font_glyphs, Sget_font_glyphs, 2, 2, 0, | |
4228 | doc: /* Return a vector of glyphs of FONT-OBJECT for drawing STRING. | |
4229 | Each element is a vector [GLYPH-CODE LBEARING RBEARING WIDTH ASCENT DESCENT]. */) | |
4230 | (font_object, string) | |
4231 | Lisp_Object font_object, string; | |
4232 | { | |
4233 | struct font *font; | |
4234 | int i, len; | |
4235 | Lisp_Object vec; | |
4236 | ||
4237 | CHECK_FONT_GET_OBJECT (font_object, font); | |
4238 | CHECK_STRING (string); | |
4239 | len = SCHARS (string); | |
4240 | vec = Fmake_vector (make_number (len), Qnil); | |
4241 | for (i = 0; i < len; i++) | |
4242 | { | |
4243 | Lisp_Object ch = Faref (string, make_number (i)); | |
4244 | Lisp_Object val; | |
4245 | int c = XINT (ch); | |
4246 | unsigned code; | |
2930d117 | 4247 | EMACS_INT cod; |
c2f5bfd6 KH |
4248 | struct font_metrics metrics; |
4249 | ||
2930d117 | 4250 | cod = code = font->driver->encode_char (font, c); |
c2f5bfd6 KH |
4251 | if (code == FONT_INVALID_CODE) |
4252 | continue; | |
4253 | val = Fmake_vector (make_number (6), Qnil); | |
2930d117 | 4254 | if (cod <= MOST_POSITIVE_FIXNUM) |
c2f5bfd6 KH |
4255 | ASET (val, 0, make_number (code)); |
4256 | else | |
4257 | ASET (val, 0, Fcons (make_number (code >> 16), | |
4258 | make_number (code & 0xFFFF))); | |
51c01100 | 4259 | font->driver->text_extents (font, &code, 1, &metrics); |
c2f5bfd6 KH |
4260 | ASET (val, 1, make_number (metrics.lbearing)); |
4261 | ASET (val, 2, make_number (metrics.rbearing)); | |
4262 | ASET (val, 3, make_number (metrics.width)); | |
4263 | ASET (val, 4, make_number (metrics.ascent)); | |
4264 | ASET (val, 5, make_number (metrics.descent)); | |
4265 | ASET (vec, i, val); | |
4266 | } | |
4267 | return vec; | |
4268 | } | |
4269 | ||
ec6fe57c | 4270 | DEFUN ("font-match-p", Ffont_match_p, Sfont_match_p, 2, 2, 0, |
67b5d7de | 4271 | doc: /* Return t if and only if font-spec SPEC matches with FONT. |
ec6fe57c KH |
4272 | FONT is a font-spec, font-entity, or font-object. */) |
4273 | (spec, font) | |
4274 | Lisp_Object spec, font; | |
4275 | { | |
4276 | CHECK_FONT_SPEC (spec); | |
35027d0c | 4277 | CHECK_FONT (font); |
ec6fe57c KH |
4278 | |
4279 | return (font_match_p (spec, font) ? Qt : Qnil); | |
4280 | } | |
4281 | ||
1701724c | 4282 | DEFUN ("font-at", Ffont_at, Sfont_at, 1, 3, 0, |
51c01100 | 4283 | doc: /* Return a font-object for displaying a character at POSITION. |
10d16101 KH |
4284 | Optional second arg WINDOW, if non-nil, is a window displaying |
4285 | the current buffer. It defaults to the currently selected window. */) | |
1701724c KH |
4286 | (position, window, string) |
4287 | Lisp_Object position, window, string; | |
10d16101 KH |
4288 | { |
4289 | struct window *w; | |
e3ee0340 | 4290 | EMACS_INT pos; |
10d16101 | 4291 | |
1701724c KH |
4292 | if (NILP (string)) |
4293 | { | |
4294 | CHECK_NUMBER_COERCE_MARKER (position); | |
4295 | pos = XINT (position); | |
4296 | if (pos < BEGV || pos >= ZV) | |
4297 | args_out_of_range_3 (position, make_number (BEGV), make_number (ZV)); | |
1701724c KH |
4298 | } |
4299 | else | |
4300 | { | |
1701724c KH |
4301 | CHECK_NUMBER (position); |
4302 | CHECK_STRING (string); | |
4303 | pos = XINT (position); | |
4304 | if (pos < 0 || pos >= SCHARS (string)) | |
4305 | args_out_of_range (string, position); | |
1701724c | 4306 | } |
10d16101 KH |
4307 | if (NILP (window)) |
4308 | window = selected_window; | |
4309 | CHECK_LIVE_WINDOW (window); | |
40fb53d6 | 4310 | w = XWINDOW (window); |
10d16101 | 4311 | |
40fb53d6 | 4312 | return font_at (-1, pos, NULL, w, string); |
10d16101 KH |
4313 | } |
4314 | ||
c2f5bfd6 KH |
4315 | #if 0 |
4316 | DEFUN ("draw-string", Fdraw_string, Sdraw_string, 2, 2, 0, | |
4317 | doc: /* Draw STRING by FONT-OBJECT on the top left corner of the current frame. | |
4318 | The value is a number of glyphs drawn. | |
4319 | Type C-l to recover what previously shown. */) | |
4320 | (font_object, string) | |
4321 | Lisp_Object font_object, string; | |
4322 | { | |
4323 | Lisp_Object frame = selected_frame; | |
4324 | FRAME_PTR f = XFRAME (frame); | |
4325 | struct font *font; | |
4326 | struct face *face; | |
4327 | int i, len, width; | |
4328 | unsigned *code; | |
4329 | ||
4330 | CHECK_FONT_GET_OBJECT (font_object, font); | |
4331 | CHECK_STRING (string); | |
4332 | len = SCHARS (string); | |
4333 | code = alloca (sizeof (unsigned) * len); | |
4334 | for (i = 0; i < len; i++) | |
4335 | { | |
4336 | Lisp_Object ch = Faref (string, make_number (i)); | |
4337 | Lisp_Object val; | |
4338 | int c = XINT (ch); | |
4339 | ||
4340 | code[i] = font->driver->encode_char (font, c); | |
4341 | if (code[i] == FONT_INVALID_CODE) | |
4342 | break; | |
4343 | } | |
4344 | face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
4345 | face->fontp = font; | |
4346 | if (font->driver->prepare_face) | |
4347 | font->driver->prepare_face (f, face); | |
4348 | width = font->driver->text_extents (font, code, i, NULL); | |
4349 | len = font->driver->draw_text (f, face, 0, font->ascent, code, i, width); | |
4350 | if (font->driver->done_face) | |
4351 | font->driver->done_face (f, face); | |
4352 | face->fontp = NULL; | |
4353 | return make_number (len); | |
4354 | } | |
4355 | #endif | |
4356 | ||
4357 | #endif /* FONT_DEBUG */ | |
4358 | ||
a266686a KH |
4359 | #ifdef HAVE_WINDOW_SYSTEM |
4360 | ||
72606e45 KH |
4361 | DEFUN ("font-info", Ffont_info, Sfont_info, 1, 2, 0, |
4362 | doc: /* Return information about a font named NAME on frame FRAME. | |
4363 | If FRAME is omitted or nil, use the selected frame. | |
4364 | The returned value is a vector of OPENED-NAME, FULL-NAME, CHARSET, SIZE, | |
4365 | HEIGHT, BASELINE-OFFSET, RELATIVE-COMPOSE, and DEFAULT-ASCENT, | |
4366 | where | |
4367 | OPENED-NAME is the name used for opening the font, | |
4368 | FULL-NAME is the full name of the font, | |
4369 | SIZE is the maximum bound width of the font, | |
4370 | HEIGHT is the height of the font, | |
4371 | BASELINE-OFFSET is the upward offset pixels from ASCII baseline, | |
4372 | RELATIVE-COMPOSE and DEFAULT-ASCENT are the numbers controlling | |
4373 | how to compose characters. | |
4374 | If the named font is not yet loaded, return nil. */) | |
4375 | (name, frame) | |
4376 | Lisp_Object name, frame; | |
4377 | { | |
4378 | FRAME_PTR f; | |
4379 | struct font *font; | |
4380 | Lisp_Object info; | |
4381 | Lisp_Object font_object; | |
4382 | ||
4383 | (*check_window_system_func) (); | |
4384 | ||
4385 | if (! FONTP (name)) | |
4386 | CHECK_STRING (name); | |
4387 | if (NILP (frame)) | |
4388 | frame = selected_frame; | |
4389 | CHECK_LIVE_FRAME (frame); | |
4390 | f = XFRAME (frame); | |
4391 | ||
4392 | if (STRINGP (name)) | |
4393 | { | |
4394 | int fontset = fs_query_fontset (name, 0); | |
4395 | ||
4396 | if (fontset >= 0) | |
4397 | name = fontset_ascii (fontset); | |
4398 | font_object = font_open_by_name (f, (char *) SDATA (name)); | |
4399 | } | |
4400 | else if (FONT_OBJECT_P (name)) | |
4401 | font_object = name; | |
4402 | else if (FONT_ENTITY_P (name)) | |
4403 | font_object = font_open_entity (f, name, 0); | |
4404 | else | |
4405 | { | |
4406 | struct face *face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
4407 | Lisp_Object entity = font_matching_entity (f, face->lface, name); | |
4408 | ||
4409 | font_object = ! NILP (entity) ? font_open_entity (f, entity, 0) : Qnil; | |
4410 | } | |
4411 | if (NILP (font_object)) | |
4412 | return Qnil; | |
4413 | font = XFONT_OBJECT (font_object); | |
4414 | ||
4415 | info = Fmake_vector (make_number (7), Qnil); | |
4416 | XVECTOR (info)->contents[0] = AREF (font_object, FONT_NAME_INDEX); | |
4417 | XVECTOR (info)->contents[1] = AREF (font_object, FONT_NAME_INDEX); | |
4418 | XVECTOR (info)->contents[2] = make_number (font->pixel_size); | |
4419 | XVECTOR (info)->contents[3] = make_number (font->height); | |
4420 | XVECTOR (info)->contents[4] = make_number (font->baseline_offset); | |
4421 | XVECTOR (info)->contents[5] = make_number (font->relative_compose); | |
4422 | XVECTOR (info)->contents[6] = make_number (font->default_ascent); | |
4423 | ||
4424 | #if 0 | |
4425 | /* As font_object is still in FONT_OBJLIST of the entity, we can't | |
4426 | close it now. Perhaps, we should manage font-objects | |
4427 | by `reference-count'. */ | |
4428 | font_close_object (f, font_object); | |
4429 | #endif | |
4430 | return info; | |
4431 | } | |
a266686a | 4432 | #endif |
72606e45 | 4433 | |
c2f5bfd6 | 4434 | \f |
d0ab1ebe KH |
4435 | #define BUILD_STYLE_TABLE(TBL) \ |
4436 | build_style_table ((TBL), sizeof TBL / sizeof (struct table_entry)) | |
4437 | ||
4438 | static Lisp_Object | |
4439 | build_style_table (entry, nelement) | |
4440 | struct table_entry *entry; | |
4441 | int nelement; | |
4442 | { | |
4443 | int i, j; | |
4444 | Lisp_Object table, elt; | |
4445 | ||
4446 | table = Fmake_vector (make_number (nelement), Qnil); | |
4447 | for (i = 0; i < nelement; i++) | |
4448 | { | |
4449 | for (j = 0; entry[i].names[j]; j++); | |
4450 | elt = Fmake_vector (make_number (j + 1), Qnil); | |
4451 | ASET (elt, 0, make_number (entry[i].numeric)); | |
4452 | for (j = 0; entry[i].names[j]; j++) | |
4453 | ASET (elt, j + 1, intern (entry[i].names[j])); | |
4454 | ASET (table, i, elt); | |
4455 | } | |
4456 | return table; | |
4457 | } | |
4458 | ||
4459 | static Lisp_Object Vfont_log; | |
4460 | static int font_log_env_checked; | |
4461 | ||
4462 | void | |
4463 | font_add_log (action, arg, result) | |
4464 | char *action; | |
4465 | Lisp_Object arg, result; | |
4466 | { | |
4467 | Lisp_Object tail, val; | |
4468 | int i; | |
4469 | ||
4470 | if (! font_log_env_checked) | |
4471 | { | |
4472 | Vfont_log = egetenv ("EMACS_FONT_LOG") ? Qnil : Qt; | |
4473 | font_log_env_checked = 1; | |
4474 | } | |
4475 | if (EQ (Vfont_log, Qt)) | |
4476 | return; | |
4477 | if (FONTP (arg)) | |
4478 | arg = Ffont_xlfd_name (arg, Qt); | |
4479 | if (FONTP (result)) | |
4480 | result = Ffont_xlfd_name (result, Qt); | |
4481 | else if (CONSP (result)) | |
4482 | { | |
4483 | result = Fcopy_sequence (result); | |
4484 | for (tail = result; CONSP (tail); tail = XCDR (tail)) | |
4485 | { | |
4486 | val = XCAR (tail); | |
4487 | if (FONTP (val)) | |
4488 | val = Ffont_xlfd_name (val, Qt); | |
4489 | XSETCAR (tail, val); | |
4490 | } | |
4491 | } | |
4492 | else if (VECTORP (result)) | |
4493 | { | |
4494 | result = Fcopy_sequence (result); | |
4495 | for (i = 0; i < ASIZE (result); i++) | |
4496 | { | |
4497 | val = AREF (result, i); | |
4498 | if (FONTP (val)) | |
4499 | val = Ffont_xlfd_name (val, Qt); | |
4500 | ASET (result, i, val); | |
4501 | } | |
4502 | } | |
4503 | Vfont_log = Fcons (list3 (intern (action), arg, result), Vfont_log); | |
4504 | } | |
4505 | ||
c2f5bfd6 KH |
4506 | extern void syms_of_ftfont P_ (()); |
4507 | extern void syms_of_xfont P_ (()); | |
4508 | extern void syms_of_xftfont P_ (()); | |
4509 | extern void syms_of_ftxfont P_ (()); | |
4510 | extern void syms_of_bdffont P_ (()); | |
4511 | extern void syms_of_w32font P_ (()); | |
4512 | extern void syms_of_atmfont P_ (()); | |
4513 | ||
4514 | void | |
4515 | syms_of_font () | |
4516 | { | |
4517 | sort_shift_bits[FONT_SLANT_INDEX] = 0; | |
4518 | sort_shift_bits[FONT_WEIGHT_INDEX] = 7; | |
4519 | sort_shift_bits[FONT_SIZE_INDEX] = 14; | |
4520 | sort_shift_bits[FONT_WIDTH_INDEX] = 21; | |
4521 | sort_shift_bits[FONT_ADSTYLE_INDEX] = 28; | |
4522 | sort_shift_bits[FONT_FOUNDRY_INDEX] = 29; | |
4523 | sort_shift_bits[FONT_FAMILY_INDEX] = 30; | |
35027d0c KH |
4524 | /* Note that sort_shift_bits[FONT_SORT_TYPE] and |
4525 | sort_shift_bits[FONT_SORT_REGISTRY] are never used. */ | |
c2f5bfd6 | 4526 | |
1701724c KH |
4527 | staticpro (&font_charset_alist); |
4528 | font_charset_alist = Qnil; | |
4529 | ||
35027d0c KH |
4530 | DEFSYM (Qfont_spec, "font-spec"); |
4531 | DEFSYM (Qfont_entity, "font-entity"); | |
4532 | DEFSYM (Qfont_object, "font-object"); | |
4533 | ||
e0708580 | 4534 | DEFSYM (Qopentype, "opentype"); |
c2f5bfd6 | 4535 | |
1bb1d99b KH |
4536 | DEFSYM (Qiso8859_1, "iso8859-1"); |
4537 | DEFSYM (Qiso10646_1, "iso10646-1"); | |
4538 | DEFSYM (Qunicode_bmp, "unicode-bmp"); | |
cf96c5c2 | 4539 | DEFSYM (Qunicode_sip, "unicode-sip"); |
1bb1d99b | 4540 | |
c2f5bfd6 | 4541 | DEFSYM (QCotf, ":otf"); |
35027d0c | 4542 | DEFSYM (QClang, ":lang"); |
c2f5bfd6 | 4543 | DEFSYM (QCscript, ":script"); |
4c496d0d | 4544 | DEFSYM (QCantialias, ":antialias"); |
c2f5bfd6 KH |
4545 | |
4546 | DEFSYM (QCfoundry, ":foundry"); | |
4547 | DEFSYM (QCadstyle, ":adstyle"); | |
4548 | DEFSYM (QCregistry, ":registry"); | |
9331887d KH |
4549 | DEFSYM (QCspacing, ":spacing"); |
4550 | DEFSYM (QCdpi, ":dpi"); | |
ec6fe57c | 4551 | DEFSYM (QCscalable, ":scalable"); |
35027d0c KH |
4552 | DEFSYM (QCavgwidth, ":avgwidth"); |
4553 | DEFSYM (QCfont_entity, ":font-entity"); | |
4554 | DEFSYM (QCfc_unknown_spec, ":fc-unknown-spec"); | |
c2f5bfd6 | 4555 | |
ec6fe57c KH |
4556 | DEFSYM (Qc, "c"); |
4557 | DEFSYM (Qm, "m"); | |
4558 | DEFSYM (Qp, "p"); | |
4559 | DEFSYM (Qd, "d"); | |
4560 | ||
c2f5bfd6 KH |
4561 | staticpro (&null_vector); |
4562 | null_vector = Fmake_vector (make_number (0), Qnil); | |
4563 | ||
4564 | staticpro (&scratch_font_spec); | |
4565 | scratch_font_spec = Ffont_spec (0, NULL); | |
4566 | staticpro (&scratch_font_prefer); | |
4567 | scratch_font_prefer = Ffont_spec (0, NULL); | |
4568 | ||
6a3dadd2 | 4569 | #if 0 |
733fd013 KH |
4570 | #ifdef HAVE_LIBOTF |
4571 | staticpro (&otf_list); | |
4572 | otf_list = Qnil; | |
6a3dadd2 KH |
4573 | #endif /* HAVE_LIBOTF */ |
4574 | #endif /* 0 */ | |
733fd013 | 4575 | |
c2f5bfd6 KH |
4576 | defsubr (&Sfontp); |
4577 | defsubr (&Sfont_spec); | |
4578 | defsubr (&Sfont_get); | |
4579 | defsubr (&Sfont_put); | |
4580 | defsubr (&Slist_fonts); | |
35027d0c | 4581 | defsubr (&Sfont_family_list); |
c2f5bfd6 KH |
4582 | defsubr (&Sfind_font); |
4583 | defsubr (&Sfont_xlfd_name); | |
4584 | defsubr (&Sclear_font_cache); | |
c2f5bfd6 KH |
4585 | defsubr (&Sfont_make_gstring); |
4586 | defsubr (&Sfont_fill_gstring); | |
1701724c | 4587 | defsubr (&Sfont_shape_text); |
6a3dadd2 | 4588 | #if 0 |
733fd013 | 4589 | defsubr (&Sfont_drive_otf); |
e80e09b4 | 4590 | defsubr (&Sfont_otf_alternates); |
6a3dadd2 | 4591 | #endif /* 0 */ |
c2f5bfd6 KH |
4592 | |
4593 | #ifdef FONT_DEBUG | |
4594 | defsubr (&Sopen_font); | |
4595 | defsubr (&Sclose_font); | |
4596 | defsubr (&Squery_font); | |
4597 | defsubr (&Sget_font_glyphs); | |
ec6fe57c | 4598 | defsubr (&Sfont_match_p); |
10d16101 | 4599 | defsubr (&Sfont_at); |
c2f5bfd6 KH |
4600 | #if 0 |
4601 | defsubr (&Sdraw_string); | |
4602 | #endif | |
4603 | #endif /* FONT_DEBUG */ | |
a266686a | 4604 | #ifdef HAVE_WINDOW_SYSTEM |
72606e45 | 4605 | defsubr (&Sfont_info); |
a266686a | 4606 | #endif |
c2f5bfd6 | 4607 | |
819e81df KH |
4608 | DEFVAR_LISP ("font-encoding-alist", &Vfont_encoding_alist, |
4609 | doc: /* | |
4610 | Alist of fontname patterns vs the corresponding encoding and repertory info. | |
4611 | Each element looks like (REGEXP . (ENCODING . REPERTORY)), | |
4612 | where ENCODING is a charset or a char-table, | |
4613 | and REPERTORY is a charset, a char-table, or nil. | |
4614 | ||
027a33c0 | 4615 | If ENCODING and REPERTORY are the same, the element can have the form |
819e81df KH |
4616 | \(REGEXP . ENCODING). |
4617 | ||
4618 | ENCODING is for converting a character to a glyph code of the font. | |
4619 | If ENCODING is a charset, encoding a character by the charset gives | |
4620 | the corresponding glyph code. If ENCODING is a char-table, looking up | |
4621 | the table by a character gives the corresponding glyph code. | |
4622 | ||
4623 | REPERTORY specifies a repertory of characters supported by the font. | |
4624 | If REPERTORY is a charset, all characters beloging to the charset are | |
4625 | supported. If REPERTORY is a char-table, all characters who have a | |
027a33c0 | 4626 | non-nil value in the table are supported. If REPERTORY is nil, Emacs |
819e81df KH |
4627 | gets the repertory information by an opened font and ENCODING. */); |
4628 | Vfont_encoding_alist = Qnil; | |
4629 | ||
d0ab1ebe KH |
4630 | DEFVAR_LISP_NOPRO ("font-weight-table", &Vfont_weight_table, |
4631 | doc: /* Vector of valid font weight values. | |
4632 | Each element has the form: | |
4633 | [NUMERIC-VALUE SYMBOLIC-NAME ALIAS-NAME ...] | |
4634 | NUMERIC-VALUE is an integer, and SYMBOLIC-NAME and ALIAS-NAME are symobls. */); | |
4635 | Vfont_weight_table = BUILD_STYLE_TABLE (weight_table); | |
4636 | ||
4637 | DEFVAR_LISP_NOPRO ("font-slant-table", &Vfont_slant_table, | |
4638 | doc: /* Vector of font slant symbols vs the corresponding numeric values. | |
4639 | See `font-weight_table' for the format of the vector. */); | |
4640 | Vfont_slant_table = BUILD_STYLE_TABLE (slant_table); | |
4641 | ||
4642 | DEFVAR_LISP_NOPRO ("font-width-table", &Vfont_width_table, | |
4643 | doc: /* Alist of font width symbols vs the corresponding numeric values. | |
4644 | See `font-weight_table' for the format of the vector. */); | |
4645 | Vfont_width_table = BUILD_STYLE_TABLE (width_table); | |
4646 | ||
4647 | staticpro (&font_style_table); | |
4648 | font_style_table = Fmake_vector (make_number (3), Qnil); | |
4649 | ASET (font_style_table, 0, Vfont_weight_table); | |
4650 | ASET (font_style_table, 1, Vfont_slant_table); | |
4651 | ASET (font_style_table, 2, Vfont_width_table); | |
4652 | ||
4653 | DEFVAR_LISP ("font-log", &Vfont_log, doc: /* | |
4654 | *Logging list of font related actions and results. | |
4655 | The value t means to suppress the logging. | |
4656 | The initial value is set to nil if the environment variable | |
4657 | EMACS_FONT_LOG is set. Otherwise, it is set to t. */); | |
4658 | Vfont_log = Qnil; | |
4659 | ||
819e81df | 4660 | #ifdef HAVE_WINDOW_SYSTEM |
c2f5bfd6 | 4661 | #ifdef HAVE_FREETYPE |
35027d0c | 4662 | syms_of_ftfont (); |
c2f5bfd6 | 4663 | #ifdef HAVE_X_WINDOWS |
35027d0c KH |
4664 | syms_of_xfont (); |
4665 | syms_of_ftxfont (); | |
c2f5bfd6 | 4666 | #ifdef HAVE_XFT |
35027d0c | 4667 | syms_of_xftfont (); |
c2f5bfd6 KH |
4668 | #endif /* HAVE_XFT */ |
4669 | #endif /* HAVE_X_WINDOWS */ | |
4670 | #else /* not HAVE_FREETYPE */ | |
4671 | #ifdef HAVE_X_WINDOWS | |
35027d0c | 4672 | syms_of_xfont (); |
c2f5bfd6 KH |
4673 | #endif /* HAVE_X_WINDOWS */ |
4674 | #endif /* not HAVE_FREETYPE */ | |
4675 | #ifdef HAVE_BDFFONT | |
35027d0c | 4676 | syms_of_bdffont (); |
c2f5bfd6 KH |
4677 | #endif /* HAVE_BDFFONT */ |
4678 | #ifdef WINDOWSNT | |
35027d0c | 4679 | syms_of_w32font (); |
c2f5bfd6 KH |
4680 | #endif /* WINDOWSNT */ |
4681 | #ifdef MAC_OS | |
35027d0c | 4682 | syms_of_atmfont (); |
c2f5bfd6 | 4683 | #endif /* MAC_OS */ |
819e81df | 4684 | #endif /* HAVE_WINDOW_SYSTEM */ |
c2f5bfd6 | 4685 | } |
885b7d09 MB |
4686 | |
4687 | /* arch-tag: 74c9475d-5976-4c93-a327-942ae3072846 | |
4688 | (do not change this comment) */ |