Commit | Line | Data |
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c2f5bfd6 | 1 | /* font.c -- "Font" primitives. |
76b6f707 GM |
2 | Copyright (C) 2006, 2007, 2008, 2009 Free Software Foundation, Inc. |
3 | Copyright (C) 2006, 2007, 2008, 2009 | |
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> | |
26 | ||
27 | #include "lisp.h" | |
28 | #include "buffer.h" | |
29 | #include "frame.h" | |
10d16101 | 30 | #include "window.h" |
c2f5bfd6 KH |
31 | #include "dispextern.h" |
32 | #include "charset.h" | |
33 | #include "character.h" | |
34 | #include "composite.h" | |
35 | #include "fontset.h" | |
36 | #include "font.h" | |
37 | ||
43c0454d KH |
38 | #ifdef HAVE_X_WINDOWS |
39 | #include "xterm.h" | |
40 | #endif /* HAVE_X_WINDOWS */ | |
41 | ||
42 | #ifdef HAVE_NTGUI | |
43 | #include "w32term.h" | |
44 | #endif /* HAVE_NTGUI */ | |
45 | ||
edfda783 AR |
46 | #ifdef HAVE_NS |
47 | #include "nsterm.h" | |
48 | #endif /* HAVE_NS */ | |
49 | ||
ed96cde8 AR |
50 | #ifdef HAVE_NS |
51 | extern Lisp_Object Qfontsize; | |
52 | #endif | |
c2f5bfd6 | 53 | |
e0708580 KH |
54 | Lisp_Object Qopentype; |
55 | ||
35027d0c | 56 | /* Important character set strings. */ |
9e1bb909 | 57 | Lisp_Object Qascii_0, Qiso8859_1, Qiso10646_1, Qunicode_bmp, Qunicode_sip; |
1bb1d99b | 58 | |
edfda783 AR |
59 | #ifdef HAVE_NS |
60 | #define DEFAULT_ENCODING Qiso10646_1 | |
61 | #else | |
62 | #define DEFAULT_ENCODING Qiso8859_1 | |
63 | #endif | |
64 | ||
071132a9 KH |
65 | /* Unicode category `Cf'. */ |
66 | static Lisp_Object QCf; | |
67 | ||
c2f5bfd6 KH |
68 | /* Special vector of zero length. This is repeatedly used by (struct |
69 | font_driver *)->list when a specified font is not found. */ | |
35027d0c | 70 | static Lisp_Object null_vector; |
c2f5bfd6 | 71 | |
d0ab1ebe KH |
72 | static Lisp_Object Vfont_weight_table, Vfont_slant_table, Vfont_width_table; |
73 | ||
74 | /* Vector of Vfont_weight_table, Vfont_slant_table, and Vfont_width_table. */ | |
c2f5bfd6 KH |
75 | static Lisp_Object font_style_table; |
76 | ||
d0ab1ebe KH |
77 | /* Structure used for tables mapping weight, slant, and width numeric |
78 | values and their names. */ | |
79 | ||
80 | struct table_entry | |
81 | { | |
82 | int numeric; | |
83 | /* The first one is a valid name as a face attribute. | |
84 | The second one (if any) is a typical name in XLFD field. */ | |
85 | char *names[5]; | |
86 | Lisp_Object *symbols; | |
87 | }; | |
88 | ||
89 | /* Table of weight numeric values and their names. This table must be | |
90 | sorted by numeric values in ascending order. */ | |
91 | ||
92 | static struct table_entry weight_table[] = | |
93 | { | |
94 | { 0, { "thin" }}, | |
95 | { 20, { "ultra-light", "ultralight" }}, | |
96 | { 40, { "extra-light", "extralight" }}, | |
97 | { 50, { "light" }}, | |
98 | { 75, { "semi-light", "semilight", "demilight", "book" }}, | |
c2694a06 | 99 | { 100, { "normal", "medium", "regular", "unspecified" }}, |
d0ab1ebe KH |
100 | { 180, { "semi-bold", "semibold", "demibold", "demi" }}, |
101 | { 200, { "bold" }}, | |
102 | { 205, { "extra-bold", "extrabold" }}, | |
103 | { 210, { "ultra-bold", "ultrabold", "black" }} | |
104 | }; | |
105 | ||
106 | /* Table of slant numeric values and their names. This table must be | |
107 | sorted by numeric values in ascending order. */ | |
108 | ||
109 | static struct table_entry slant_table[] = | |
110 | { | |
111 | { 0, { "reverse-oblique", "ro" }}, | |
112 | { 10, { "reverse-italic", "ri" }}, | |
c2694a06 | 113 | { 100, { "normal", "r", "unspecified" }}, |
d0ab1ebe KH |
114 | { 200, { "italic" ,"i", "ot" }}, |
115 | { 210, { "oblique", "o" }} | |
116 | }; | |
117 | ||
118 | /* Table of width numeric values and their names. This table must be | |
119 | sorted by numeric values in ascending order. */ | |
120 | ||
121 | static struct table_entry width_table[] = | |
122 | { | |
123 | { 50, { "ultra-condensed", "ultracondensed" }}, | |
124 | { 63, { "extra-condensed", "extracondensed" }}, | |
125 | { 75, { "condensed", "compressed", "narrow" }}, | |
126 | { 87, { "semi-condensed", "semicondensed", "demicondensed" }}, | |
c2694a06 | 127 | { 100, { "normal", "medium", "regular", "unspecified" }}, |
d0ab1ebe KH |
128 | { 113, { "semi-expanded", "semiexpanded", "demiexpanded" }}, |
129 | { 125, { "expanded" }}, | |
130 | { 150, { "extra-expanded", "extraexpanded" }}, | |
131 | { 200, { "ultra-expanded", "ultraexpanded", "wide" }} | |
132 | }; | |
133 | ||
35027d0c | 134 | extern Lisp_Object Qnormal; |
c2f5bfd6 KH |
135 | |
136 | /* Symbols representing keys of normal font properties. */ | |
b1868a1a CY |
137 | extern Lisp_Object QCtype, QCfamily, QCweight, QCslant, QCwidth; |
138 | extern Lisp_Object QCheight, QCsize, QCname; | |
139 | ||
35027d0c | 140 | Lisp_Object QCfoundry, QCadstyle, QCregistry; |
c2f5bfd6 | 141 | /* Symbols representing keys of font extra info. */ |
35027d0c KH |
142 | Lisp_Object QCspacing, QCdpi, QCscalable, QCotf, QClang, QCscript, QCavgwidth; |
143 | Lisp_Object QCantialias, QCfont_entity, QCfc_unknown_spec; | |
ec6fe57c KH |
144 | /* Symbols representing values of font spacing property. */ |
145 | Lisp_Object Qc, Qm, Qp, Qd; | |
cf702558 CY |
146 | /* Special ADSTYLE properties to avoid fonts used for Latin |
147 | characters; used in xfont.c and ftfont.c. */ | |
148 | Lisp_Object Qja, Qko; | |
c2f5bfd6 | 149 | |
819e81df KH |
150 | Lisp_Object Vfont_encoding_alist; |
151 | ||
1701724c KH |
152 | /* Alist of font registry symbol and the corresponding charsets |
153 | information. The information is retrieved from | |
154 | Vfont_encoding_alist on demand. | |
155 | ||
156 | Eash element has the form: | |
157 | (REGISTRY . (ENCODING-CHARSET-ID . REPERTORY-CHARSET-ID)) | |
158 | or | |
159 | (REGISTRY . nil) | |
160 | ||
161 | In the former form, ENCODING-CHARSET-ID is an ID of a charset that | |
162 | encodes a character code to a glyph code of a font, and | |
163 | REPERTORY-CHARSET-ID is an ID of a charset that tells if a | |
164 | character is supported by a font. | |
165 | ||
166 | The latter form means that the information for REGISTRY couldn't be | |
167 | retrieved. */ | |
168 | static Lisp_Object font_charset_alist; | |
169 | ||
f697fff0 KH |
170 | /* List of all font drivers. Each font-backend (XXXfont.c) calls |
171 | register_font_driver in syms_of_XXXfont to register its font-driver | |
c2f5bfd6 KH |
172 | here. */ |
173 | static struct font_driver_list *font_driver_list; | |
174 | ||
35027d0c KH |
175 | \f |
176 | ||
177 | /* Creaters of font-related Lisp object. */ | |
178 | ||
179 | Lisp_Object | |
180 | font_make_spec () | |
181 | { | |
182 | Lisp_Object font_spec; | |
183 | struct font_spec *spec | |
184 | = ((struct font_spec *) | |
185 | allocate_pseudovector (VECSIZE (struct font_spec), | |
186 | FONT_SPEC_MAX, PVEC_FONT)); | |
187 | XSETFONT (font_spec, spec); | |
188 | return font_spec; | |
189 | } | |
190 | ||
191 | Lisp_Object | |
192 | font_make_entity () | |
193 | { | |
194 | Lisp_Object font_entity; | |
195 | struct font_entity *entity | |
196 | = ((struct font_entity *) | |
197 | allocate_pseudovector (VECSIZE (struct font_entity), | |
198 | FONT_ENTITY_MAX, PVEC_FONT)); | |
199 | XSETFONT (font_entity, entity); | |
200 | return font_entity; | |
201 | } | |
202 | ||
51c13510 KH |
203 | /* Create a font-object whose structure size is SIZE. If ENTITY is |
204 | not nil, copy properties from ENTITY to the font-object. If | |
205 | PIXELSIZE is positive, set the `size' property to PIXELSIZE. */ | |
35027d0c | 206 | Lisp_Object |
51c13510 | 207 | font_make_object (size, entity, pixelsize) |
35027d0c | 208 | int size; |
51c13510 KH |
209 | Lisp_Object entity; |
210 | int pixelsize; | |
35027d0c KH |
211 | { |
212 | Lisp_Object font_object; | |
213 | struct font *font | |
214 | = (struct font *) allocate_pseudovector (size, FONT_OBJECT_MAX, PVEC_FONT); | |
51c13510 KH |
215 | int i; |
216 | ||
35027d0c KH |
217 | XSETFONT (font_object, font); |
218 | ||
51c13510 KH |
219 | if (! NILP (entity)) |
220 | { | |
221 | for (i = 1; i < FONT_SPEC_MAX; i++) | |
222 | font->props[i] = AREF (entity, i); | |
223 | if (! NILP (AREF (entity, FONT_EXTRA_INDEX))) | |
224 | font->props[FONT_EXTRA_INDEX] | |
225 | = Fcopy_sequence (AREF (entity, FONT_EXTRA_INDEX)); | |
226 | } | |
227 | if (size > 0) | |
228 | font->props[FONT_SIZE_INDEX] = make_number (pixelsize); | |
35027d0c KH |
229 | return font_object; |
230 | } | |
231 | ||
232 | \f | |
233 | ||
ec6fe57c | 234 | static int font_pixel_size P_ ((FRAME_PTR f, Lisp_Object)); |
c2f5bfd6 | 235 | static Lisp_Object font_open_entity P_ ((FRAME_PTR, Lisp_Object, int)); |
35027d0c KH |
236 | static Lisp_Object font_matching_entity P_ ((FRAME_PTR, Lisp_Object *, |
237 | Lisp_Object)); | |
c2f5bfd6 KH |
238 | |
239 | /* Number of registered font drivers. */ | |
240 | static int num_font_drivers; | |
241 | ||
35027d0c KH |
242 | |
243 | /* Return a Lispy value of a font property value at STR and LEN bytes. | |
244 | If STR is "*", it returns nil. | |
2f286d4f KH |
245 | If FORCE_SYMBOL is zero and all characters in STR are digits, it |
246 | returns an integer. Otherwise, it returns a symbol interned from | |
247 | STR. */ | |
35027d0c KH |
248 | |
249 | Lisp_Object | |
2f286d4f | 250 | font_intern_prop (str, len, force_symbol) |
35027d0c KH |
251 | char *str; |
252 | int len; | |
2f286d4f | 253 | int force_symbol; |
35027d0c KH |
254 | { |
255 | int i; | |
d0ab1ebe | 256 | Lisp_Object tem; |
35027d0c | 257 | Lisp_Object obarray; |
545312c2 | 258 | int nbytes, nchars; |
35027d0c KH |
259 | |
260 | if (len == 1 && *str == '*') | |
261 | return Qnil; | |
2f286d4f | 262 | if (!force_symbol && len >=1 && isdigit (*str)) |
35027d0c KH |
263 | { |
264 | for (i = 1; i < len; i++) | |
265 | if (! isdigit (str[i])) | |
266 | break; | |
267 | if (i == len) | |
268 | return make_number (atoi (str)); | |
269 | } | |
270 | ||
545312c2 KH |
271 | /* The following code is copied from the function intern (in |
272 | lread.c), and modified to suite our purpose. */ | |
35027d0c KH |
273 | obarray = Vobarray; |
274 | if (!VECTORP (obarray) || XVECTOR (obarray)->size == 0) | |
275 | obarray = check_obarray (obarray); | |
545312c2 KH |
276 | parse_str_as_multibyte (str, len, &nchars, &nbytes); |
277 | if (len == nchars || len != nbytes) | |
278 | /* CONTENTS contains no multibyte sequences or contains an invalid | |
279 | multibyte sequence. We'll make a unibyte string. */ | |
280 | tem = oblookup (obarray, str, len, len); | |
281 | else | |
282 | tem = oblookup (obarray, str, nchars, len); | |
35027d0c KH |
283 | if (SYMBOLP (tem)) |
284 | return tem; | |
545312c2 KH |
285 | if (len == nchars || len != nbytes) |
286 | tem = make_unibyte_string (str, len); | |
287 | else | |
288 | tem = make_multibyte_string (str, nchars, len); | |
289 | return Fintern (tem, obarray); | |
35027d0c KH |
290 | } |
291 | ||
9331887d | 292 | /* Return a pixel size of font-spec SPEC on frame F. */ |
ec6fe57c | 293 | |
9331887d KH |
294 | static int |
295 | font_pixel_size (f, spec) | |
296 | FRAME_PTR f; | |
297 | Lisp_Object spec; | |
298 | { | |
819e81df | 299 | #ifdef HAVE_WINDOW_SYSTEM |
9331887d KH |
300 | Lisp_Object size = AREF (spec, FONT_SIZE_INDEX); |
301 | double point_size; | |
35027d0c | 302 | int dpi, pixel_size; |
d0ab1ebe | 303 | Lisp_Object val; |
51c01100 | 304 | |
9331887d KH |
305 | if (INTEGERP (size)) |
306 | return XINT (size); | |
307 | if (NILP (size)) | |
819e81df | 308 | return 0; |
d0ab1ebe | 309 | font_assert (FLOATP (size)); |
9331887d | 310 | point_size = XFLOAT_DATA (size); |
35027d0c KH |
311 | val = AREF (spec, FONT_DPI_INDEX); |
312 | if (INTEGERP (val)) | |
17e28f6d | 313 | dpi = XINT (val); |
9331887d KH |
314 | else |
315 | dpi = f->resy; | |
316 | pixel_size = POINT_TO_PIXEL (point_size, dpi); | |
317 | return pixel_size; | |
819e81df KH |
318 | #else |
319 | return 1; | |
320 | #endif | |
9331887d KH |
321 | } |
322 | ||
c2f5bfd6 | 323 | |
35027d0c KH |
324 | /* Return a value of PROP's VAL (symbol or integer) to be stored in a |
325 | font vector. If VAL is not valid (i.e. not registered in | |
326 | font_style_table), return -1 if NOERROR is zero, and return a | |
327 | proper index if NOERROR is nonzero. In that case, register VAL in | |
328 | font_style_table if VAL is a symbol, and return a closest index if | |
329 | VAL is an integer. */ | |
c2f5bfd6 | 330 | |
35027d0c KH |
331 | int |
332 | font_style_to_value (prop, val, noerror) | |
c2f5bfd6 | 333 | enum font_property_index prop; |
35027d0c KH |
334 | Lisp_Object val; |
335 | int noerror; | |
c2f5bfd6 | 336 | { |
35027d0c KH |
337 | Lisp_Object table = AREF (font_style_table, prop - FONT_WEIGHT_INDEX); |
338 | int len = ASIZE (table); | |
d0ab1ebe | 339 | int i, j; |
c2f5bfd6 | 340 | |
35027d0c | 341 | if (SYMBOLP (val)) |
c2f5bfd6 | 342 | { |
72606e45 | 343 | unsigned char *s; |
35027d0c KH |
344 | Lisp_Object args[2], elt; |
345 | ||
346 | /* At first try exact match. */ | |
347 | for (i = 0; i < len; i++) | |
d0ab1ebe KH |
348 | for (j = 1; j < ASIZE (AREF (table, i)); j++) |
349 | if (EQ (val, AREF (AREF (table, i), j))) | |
350 | return ((XINT (AREF (AREF (table, i), 0)) << 8) | |
351 | | (i << 4) | (j - 1)); | |
35027d0c | 352 | /* Try also with case-folding match. */ |
72606e45 | 353 | s = SDATA (SYMBOL_NAME (val)); |
35027d0c | 354 | for (i = 0; i < len; i++) |
d0ab1ebe KH |
355 | for (j = 1; j < ASIZE (AREF (table, i)); j++) |
356 | { | |
357 | elt = AREF (AREF (table, i), j); | |
72606e45 | 358 | if (xstrcasecmp (s, SDATA (SYMBOL_NAME (elt))) == 0) |
d0ab1ebe KH |
359 | return ((XINT (AREF (AREF (table, i), 0)) << 8) |
360 | | (i << 4) | (j - 1)); | |
361 | } | |
35027d0c KH |
362 | if (! noerror) |
363 | return -1; | |
364 | if (len == 255) | |
365 | abort (); | |
c2694a06 | 366 | elt = Fmake_vector (make_number (2), make_number (100)); |
d0ab1ebe | 367 | ASET (elt, 1, val); |
35027d0c | 368 | args[0] = table; |
d0ab1ebe | 369 | args[1] = Fmake_vector (make_number (1), elt); |
35027d0c | 370 | ASET (font_style_table, prop - FONT_WEIGHT_INDEX, Fvconcat (2, args)); |
c2694a06 | 371 | return (100 << 8) | (i << 4); |
c2f5bfd6 | 372 | } |
35027d0c KH |
373 | else |
374 | { | |
d0ab1ebe | 375 | int i, last_n; |
35027d0c | 376 | int numeric = XINT (val); |
c2f5bfd6 | 377 | |
d0ab1ebe | 378 | for (i = 0, last_n = -1; i < len; i++) |
35027d0c | 379 | { |
d0ab1ebe | 380 | int n = XINT (AREF (AREF (table, i), 0)); |
c2f5bfd6 | 381 | |
35027d0c | 382 | if (numeric == n) |
d0ab1ebe | 383 | return (n << 8) | (i << 4); |
35027d0c KH |
384 | if (numeric < n) |
385 | { | |
386 | if (! noerror) | |
387 | return -1; | |
d0ab1ebe KH |
388 | return ((i == 0 || n - numeric < numeric - last_n) |
389 | ? (n << 8) | (i << 4): (last_n << 8 | ((i - 1) << 4))); | |
35027d0c | 390 | } |
35027d0c | 391 | last_n = n; |
35027d0c KH |
392 | } |
393 | if (! noerror) | |
394 | return -1; | |
d0ab1ebe | 395 | return ((last_n << 8) | ((i - 1) << 4)); |
35027d0c KH |
396 | } |
397 | } | |
c2f5bfd6 KH |
398 | |
399 | Lisp_Object | |
3ef8c1b4 JR |
400 | font_style_symbolic (font, prop, for_face) |
401 | Lisp_Object font; | |
35027d0c KH |
402 | enum font_property_index prop; |
403 | int for_face; | |
c2f5bfd6 | 404 | { |
3ef8c1b4 | 405 | Lisp_Object val = AREF (font, prop); |
d0ab1ebe KH |
406 | Lisp_Object table, elt; |
407 | int i; | |
c2f5bfd6 | 408 | |
35027d0c KH |
409 | if (NILP (val)) |
410 | return Qnil; | |
411 | table = AREF (font_style_table, prop - FONT_WEIGHT_INDEX); | |
d0ab1ebe KH |
412 | i = XINT (val) & 0xFF; |
413 | font_assert (((i >> 4) & 0xF) < ASIZE (table)); | |
414 | elt = AREF (table, ((i >> 4) & 0xF)); | |
415 | font_assert ((i & 0xF) + 1 < ASIZE (elt)); | |
ba3de0e8 | 416 | return (for_face ? AREF (elt, 1) : AREF (elt, (i & 0xF) + 1)); |
6fe9826d JR |
417 | } |
418 | ||
c2f5bfd6 KH |
419 | extern Lisp_Object Vface_alternative_font_family_alist; |
420 | ||
1701724c KH |
421 | extern Lisp_Object find_font_encoding P_ ((Lisp_Object)); |
422 | ||
35027d0c | 423 | |
819e81df KH |
424 | /* Return ENCODING or a cons of ENCODING and REPERTORY of the font |
425 | FONTNAME. ENCODING is a charset symbol that specifies the encoding | |
426 | of the font. REPERTORY is a charset symbol or nil. */ | |
427 | ||
428 | Lisp_Object | |
429 | find_font_encoding (fontname) | |
430 | Lisp_Object fontname; | |
431 | { | |
432 | Lisp_Object tail, elt; | |
433 | ||
434 | for (tail = Vfont_encoding_alist; CONSP (tail); tail = XCDR (tail)) | |
435 | { | |
436 | elt = XCAR (tail); | |
437 | if (CONSP (elt) | |
438 | && STRINGP (XCAR (elt)) | |
439 | && fast_string_match_ignore_case (XCAR (elt), fontname) >= 0 | |
440 | && (SYMBOLP (XCDR (elt)) | |
441 | ? CHARSETP (XCDR (elt)) | |
442 | : CONSP (XCDR (elt)) && CHARSETP (XCAR (XCDR (elt))))) | |
443 | return (XCDR (elt)); | |
444 | } | |
182ba28c | 445 | return Qnil; |
819e81df KH |
446 | } |
447 | ||
1701724c KH |
448 | /* Return encoding charset and repertory charset for REGISTRY in |
449 | ENCODING and REPERTORY correspondingly. If correct information for | |
450 | REGISTRY is available, return 0. Otherwise return -1. */ | |
451 | ||
452 | int | |
453 | font_registry_charsets (registry, encoding, repertory) | |
454 | Lisp_Object registry; | |
455 | struct charset **encoding, **repertory; | |
456 | { | |
457 | Lisp_Object val; | |
458 | int encoding_id, repertory_id; | |
459 | ||
35027d0c | 460 | val = Fassoc_string (registry, font_charset_alist, Qt); |
1701724c KH |
461 | if (! NILP (val)) |
462 | { | |
463 | val = XCDR (val); | |
464 | if (NILP (val)) | |
465 | return -1; | |
466 | encoding_id = XINT (XCAR (val)); | |
467 | repertory_id = XINT (XCDR (val)); | |
468 | } | |
469 | else | |
470 | { | |
471 | val = find_font_encoding (SYMBOL_NAME (registry)); | |
472 | if (SYMBOLP (val) && CHARSETP (val)) | |
473 | { | |
474 | encoding_id = repertory_id = XINT (CHARSET_SYMBOL_ID (val)); | |
475 | } | |
476 | else if (CONSP (val)) | |
477 | { | |
478 | if (! CHARSETP (XCAR (val))) | |
479 | goto invalid_entry; | |
480 | encoding_id = XINT (CHARSET_SYMBOL_ID (XCAR (val))); | |
481 | if (NILP (XCDR (val))) | |
482 | repertory_id = -1; | |
483 | else | |
484 | { | |
485 | if (! CHARSETP (XCDR (val))) | |
486 | goto invalid_entry; | |
487 | repertory_id = XINT (CHARSET_SYMBOL_ID (XCDR (val))); | |
488 | } | |
51c01100 | 489 | } |
1701724c KH |
490 | else |
491 | goto invalid_entry; | |
492 | val = Fcons (make_number (encoding_id), make_number (repertory_id)); | |
493 | font_charset_alist | |
494 | = nconc2 (font_charset_alist, Fcons (Fcons (registry, val), Qnil)); | |
495 | } | |
496 | ||
497 | if (encoding) | |
498 | *encoding = CHARSET_FROM_ID (encoding_id); | |
499 | if (repertory) | |
500 | *repertory = repertory_id >= 0 ? CHARSET_FROM_ID (repertory_id) : NULL; | |
501 | return 0; | |
502 | ||
503 | invalid_entry: | |
504 | font_charset_alist | |
505 | = nconc2 (font_charset_alist, Fcons (Fcons (registry, Qnil), Qnil)); | |
506 | return -1; | |
507 | } | |
508 | ||
c2f5bfd6 | 509 | \f |
45eb10fb KH |
510 | /* Font property value validaters. See the comment of |
511 | font_property_table for the meaning of the arguments. */ | |
512 | ||
35027d0c | 513 | static Lisp_Object font_prop_validate P_ ((int, Lisp_Object, Lisp_Object)); |
45eb10fb KH |
514 | static Lisp_Object font_prop_validate_symbol P_ ((Lisp_Object, Lisp_Object)); |
515 | static Lisp_Object font_prop_validate_style P_ ((Lisp_Object, Lisp_Object)); | |
516 | static Lisp_Object font_prop_validate_non_neg P_ ((Lisp_Object, Lisp_Object)); | |
517 | static Lisp_Object font_prop_validate_spacing P_ ((Lisp_Object, Lisp_Object)); | |
35027d0c | 518 | static int get_font_prop_index P_ ((Lisp_Object)); |
c2f5bfd6 KH |
519 | |
520 | static Lisp_Object | |
45eb10fb | 521 | font_prop_validate_symbol (prop, val) |
ec6fe57c | 522 | Lisp_Object prop, val; |
c2f5bfd6 KH |
523 | { |
524 | if (STRINGP (val)) | |
35027d0c KH |
525 | val = Fintern (val, Qnil); |
526 | if (! SYMBOLP (val)) | |
c2f5bfd6 | 527 | val = Qerror; |
35027d0c KH |
528 | else if (EQ (prop, QCregistry)) |
529 | val = Fintern (Fdowncase (SYMBOL_NAME (val)), Qnil); | |
c2f5bfd6 KH |
530 | return val; |
531 | } | |
532 | ||
35027d0c | 533 | |
c2f5bfd6 | 534 | static Lisp_Object |
35027d0c KH |
535 | font_prop_validate_style (style, val) |
536 | Lisp_Object style, val; | |
c2f5bfd6 | 537 | { |
35027d0c KH |
538 | enum font_property_index prop = (EQ (style, QCweight) ? FONT_WEIGHT_INDEX |
539 | : EQ (style, QCslant) ? FONT_SLANT_INDEX | |
540 | : FONT_WIDTH_INDEX); | |
541 | int n; | |
542 | if (INTEGERP (val)) | |
c2f5bfd6 | 543 | { |
35027d0c | 544 | n = XINT (val); |
64b900e3 | 545 | if (((n >> 4) & 0xF) |
35027d0c | 546 | >= ASIZE (AREF (font_style_table, prop - FONT_WEIGHT_INDEX))) |
c2f5bfd6 KH |
547 | val = Qerror; |
548 | else | |
549 | { | |
64b900e3 KH |
550 | Lisp_Object elt = AREF (AREF (font_style_table, prop - FONT_WEIGHT_INDEX), (n >> 4) & 0xF); |
551 | ||
552 | if ((n & 0xF) + 1 >= ASIZE (elt)) | |
553 | val = Qerror; | |
554 | else if (XINT (AREF (elt, 0)) != (n >> 8)) | |
c2f5bfd6 KH |
555 | val = Qerror; |
556 | } | |
557 | } | |
35027d0c KH |
558 | else if (SYMBOLP (val)) |
559 | { | |
560 | int n = font_style_to_value (prop, val, 0); | |
561 | ||
562 | val = n >= 0 ? make_number (n) : Qerror; | |
563 | } | |
564 | else | |
565 | val = Qerror; | |
c2f5bfd6 KH |
566 | return val; |
567 | } | |
568 | ||
569 | static Lisp_Object | |
45eb10fb | 570 | font_prop_validate_non_neg (prop, val) |
ec6fe57c | 571 | Lisp_Object prop, val; |
c2f5bfd6 KH |
572 | { |
573 | return (NATNUMP (val) || (FLOATP (val) && XFLOAT_DATA (val) >= 0) | |
574 | ? val : Qerror); | |
575 | } | |
576 | ||
577 | static Lisp_Object | |
45eb10fb | 578 | font_prop_validate_spacing (prop, val) |
ec6fe57c KH |
579 | Lisp_Object prop, val; |
580 | { | |
581 | if (NILP (val) || (NATNUMP (val) && XINT (val) <= FONT_SPACING_CHARCELL)) | |
582 | return val; | |
3692570f KH |
583 | if (SYMBOLP (val) && SBYTES (SYMBOL_NAME (val)) == 1) |
584 | { | |
585 | char spacing = SDATA (SYMBOL_NAME (val))[0]; | |
586 | ||
587 | if (spacing == 'c' || spacing == 'C') | |
588 | return make_number (FONT_SPACING_CHARCELL); | |
589 | if (spacing == 'm' || spacing == 'M') | |
590 | return make_number (FONT_SPACING_MONO); | |
0615d903 | 591 | if (spacing == 'p' || spacing == 'P') |
3692570f KH |
592 | return make_number (FONT_SPACING_PROPORTIONAL); |
593 | if (spacing == 'd' || spacing == 'D') | |
594 | return make_number (FONT_SPACING_DUAL); | |
595 | } | |
ec6fe57c KH |
596 | return Qerror; |
597 | } | |
598 | ||
1701724c KH |
599 | static Lisp_Object |
600 | font_prop_validate_otf (prop, val) | |
601 | Lisp_Object prop, val; | |
602 | { | |
603 | Lisp_Object tail, tmp; | |
604 | int i; | |
605 | ||
606 | /* VAL = (SCRIPT [ LANGSYS [ GSUB-FEATURES [ GPOS-FEATURES ]]]) | |
607 | GSUB-FEATURES = (FEATURE ... [ nil FEATURE ... ]) | nil | |
608 | GPOS-FEATURES = (FEATURE ... [ nil FEATURE ... ]) | nil */ | |
609 | if (! CONSP (val)) | |
610 | return Qerror; | |
611 | if (! SYMBOLP (XCAR (val))) | |
612 | return Qerror; | |
613 | tail = XCDR (val); | |
614 | if (NILP (tail)) | |
615 | return val; | |
616 | if (! CONSP (tail) || ! SYMBOLP (XCAR (val))) | |
617 | return Qerror; | |
618 | for (i = 0; i < 2; i++) | |
619 | { | |
620 | tail = XCDR (tail); | |
621 | if (NILP (tail)) | |
622 | return val; | |
623 | if (! CONSP (tail)) | |
624 | return Qerror; | |
625 | for (tmp = XCAR (tail); CONSP (tmp); tmp = XCDR (tmp)) | |
626 | if (! SYMBOLP (XCAR (tmp))) | |
627 | return Qerror; | |
628 | if (! NILP (tmp)) | |
629 | return Qerror; | |
630 | } | |
631 | return val; | |
632 | } | |
633 | ||
ec6fe57c KH |
634 | /* Structure of known font property keys and validater of the |
635 | values. */ | |
c2f5bfd6 KH |
636 | struct |
637 | { | |
ec6fe57c | 638 | /* Pointer to the key symbol. */ |
c2f5bfd6 | 639 | Lisp_Object *key; |
45eb10fb KH |
640 | /* Function to validate PROP's value VAL, or NULL if any value is |
641 | ok. The value is VAL or its regularized value if VAL is valid, | |
642 | and Qerror if not. */ | |
643 | Lisp_Object (*validater) P_ ((Lisp_Object prop, Lisp_Object val)); | |
ec6fe57c KH |
644 | } font_property_table[] = |
645 | { { &QCtype, font_prop_validate_symbol }, | |
c2f5bfd6 KH |
646 | { &QCfoundry, font_prop_validate_symbol }, |
647 | { &QCfamily, font_prop_validate_symbol }, | |
648 | { &QCadstyle, font_prop_validate_symbol }, | |
649 | { &QCregistry, font_prop_validate_symbol }, | |
650 | { &QCweight, font_prop_validate_style }, | |
651 | { &QCslant, font_prop_validate_style }, | |
652 | { &QCwidth, font_prop_validate_style }, | |
ec6fe57c | 653 | { &QCsize, font_prop_validate_non_neg }, |
ec6fe57c KH |
654 | { &QCdpi, font_prop_validate_non_neg }, |
655 | { &QCspacing, font_prop_validate_spacing }, | |
35027d0c KH |
656 | { &QCavgwidth, font_prop_validate_non_neg }, |
657 | /* The order of the above entries must match with enum | |
658 | font_property_index. */ | |
659 | { &QClang, font_prop_validate_symbol }, | |
660 | { &QCscript, font_prop_validate_symbol }, | |
661 | { &QCotf, font_prop_validate_otf } | |
c2f5bfd6 KH |
662 | }; |
663 | ||
45eb10fb | 664 | /* Size (number of elements) of the above table. */ |
ec6fe57c KH |
665 | #define FONT_PROPERTY_TABLE_SIZE \ |
666 | ((sizeof font_property_table) / (sizeof *font_property_table)) | |
667 | ||
45eb10fb | 668 | /* Return an index number of font property KEY or -1 if KEY is not an |
35027d0c | 669 | already known property. */ |
45eb10fb | 670 | |
ec6fe57c | 671 | static int |
35027d0c | 672 | get_font_prop_index (key) |
c2f5bfd6 KH |
673 | Lisp_Object key; |
674 | { | |
35027d0c KH |
675 | int i; |
676 | ||
677 | for (i = 0; i < FONT_PROPERTY_TABLE_SIZE; i++) | |
678 | if (EQ (key, *font_property_table[i].key)) | |
679 | return i; | |
ec6fe57c | 680 | return -1; |
c2f5bfd6 KH |
681 | } |
682 | ||
35027d0c KH |
683 | /* Validate the font property. The property key is specified by the |
684 | symbol PROP, or the index IDX (if PROP is nil). If VAL is invalid, | |
685 | signal an error. The value is VAL or the regularized one. */ | |
45eb10fb | 686 | |
c2f5bfd6 | 687 | static Lisp_Object |
35027d0c KH |
688 | font_prop_validate (idx, prop, val) |
689 | int idx; | |
690 | Lisp_Object prop, val; | |
c2f5bfd6 | 691 | { |
35027d0c | 692 | Lisp_Object validated; |
c2f5bfd6 | 693 | |
1f09f444 KH |
694 | if (NILP (val)) |
695 | return val; | |
35027d0c KH |
696 | if (NILP (prop)) |
697 | prop = *font_property_table[idx].key; | |
698 | else | |
ec6fe57c | 699 | { |
35027d0c KH |
700 | idx = get_font_prop_index (prop); |
701 | if (idx < 0) | |
702 | return val; | |
ec6fe57c | 703 | } |
35027d0c KH |
704 | validated = (font_property_table[idx].validater) (prop, val); |
705 | if (EQ (validated, Qerror)) | |
706 | signal_error ("invalid font property", Fcons (prop, val)); | |
707 | return validated; | |
c2f5bfd6 | 708 | } |
51c01100 | 709 | |
35027d0c KH |
710 | |
711 | /* Store VAL as a value of extra font property PROP in FONT while | |
712 | keeping the sorting order. Don't check the validity of VAL. */ | |
45eb10fb | 713 | |
01dbeb0b | 714 | Lisp_Object |
ec6fe57c | 715 | font_put_extra (font, prop, val) |
9331887d | 716 | Lisp_Object font, prop, val; |
9331887d KH |
717 | { |
718 | Lisp_Object extra = AREF (font, FONT_EXTRA_INDEX); | |
ec6fe57c | 719 | Lisp_Object slot = (NILP (extra) ? Qnil : assq_no_quit (prop, extra)); |
9331887d KH |
720 | |
721 | if (NILP (slot)) | |
722 | { | |
35027d0c KH |
723 | Lisp_Object prev = Qnil; |
724 | ||
483670b5 KH |
725 | if (NILP (val)) |
726 | return val; | |
35027d0c KH |
727 | while (CONSP (extra) |
728 | && NILP (Fstring_lessp (prop, XCAR (XCAR (extra))))) | |
729 | prev = extra, extra = XCDR (extra); | |
730 | if (NILP (prev)) | |
731 | ASET (font, FONT_EXTRA_INDEX, Fcons (Fcons (prop, val), extra)); | |
732 | else | |
733 | XSETCDR (prev, Fcons (Fcons (prop, val), extra)); | |
ec6fe57c | 734 | return val; |
9331887d | 735 | } |
9331887d | 736 | XSETCDR (slot, val); |
483670b5 KH |
737 | if (NILP (val)) |
738 | ASET (font, FONT_EXTRA_INDEX, Fdelq (slot, extra)); | |
ec6fe57c | 739 | return val; |
9331887d KH |
740 | } |
741 | ||
c2f5bfd6 KH |
742 | \f |
743 | /* Font name parser and unparser */ | |
744 | ||
ec6fe57c KH |
745 | static int parse_matrix P_ ((char *)); |
746 | static int font_expand_wildcards P_ ((Lisp_Object *, int)); | |
747 | static int font_parse_name P_ ((char *, Lisp_Object)); | |
c2f5bfd6 | 748 | |
ec6fe57c | 749 | /* An enumerator for each field of an XLFD font name. */ |
c2f5bfd6 KH |
750 | enum xlfd_field_index |
751 | { | |
752 | XLFD_FOUNDRY_INDEX, | |
753 | XLFD_FAMILY_INDEX, | |
754 | XLFD_WEIGHT_INDEX, | |
755 | XLFD_SLANT_INDEX, | |
756 | XLFD_SWIDTH_INDEX, | |
757 | XLFD_ADSTYLE_INDEX, | |
4485a28e KH |
758 | XLFD_PIXEL_INDEX, |
759 | XLFD_POINT_INDEX, | |
c2f5bfd6 KH |
760 | XLFD_RESX_INDEX, |
761 | XLFD_RESY_INDEX, | |
762 | XLFD_SPACING_INDEX, | |
763 | XLFD_AVGWIDTH_INDEX, | |
764 | XLFD_REGISTRY_INDEX, | |
765 | XLFD_ENCODING_INDEX, | |
766 | XLFD_LAST_INDEX | |
767 | }; | |
768 | ||
ec6fe57c | 769 | /* An enumerator for mask bit corresponding to each XLFD field. */ |
4485a28e KH |
770 | enum xlfd_field_mask |
771 | { | |
772 | XLFD_FOUNDRY_MASK = 0x0001, | |
773 | XLFD_FAMILY_MASK = 0x0002, | |
774 | XLFD_WEIGHT_MASK = 0x0004, | |
775 | XLFD_SLANT_MASK = 0x0008, | |
776 | XLFD_SWIDTH_MASK = 0x0010, | |
777 | XLFD_ADSTYLE_MASK = 0x0020, | |
778 | XLFD_PIXEL_MASK = 0x0040, | |
779 | XLFD_POINT_MASK = 0x0080, | |
780 | XLFD_RESX_MASK = 0x0100, | |
781 | XLFD_RESY_MASK = 0x0200, | |
782 | XLFD_SPACING_MASK = 0x0400, | |
783 | XLFD_AVGWIDTH_MASK = 0x0800, | |
784 | XLFD_REGISTRY_MASK = 0x1000, | |
785 | XLFD_ENCODING_MASK = 0x2000 | |
786 | }; | |
787 | ||
788 | ||
c2f5bfd6 KH |
789 | /* Parse P pointing the pixel/point size field of the form |
790 | `[A B C D]' which specifies a transformation matrix: | |
791 | ||
792 | A B 0 | |
793 | C D 0 | |
794 | 0 0 1 | |
795 | ||
796 | by which all glyphs of the font are transformed. The spec says | |
797 | that scalar value N for the pixel/point size is equivalent to: | |
798 | A = N * resx/resy, B = C = 0, D = N. | |
799 | ||
800 | Return the scalar value N if the form is valid. Otherwise return | |
801 | -1. */ | |
802 | ||
803 | static int | |
804 | parse_matrix (p) | |
805 | char *p; | |
806 | { | |
807 | double matrix[4]; | |
808 | char *end; | |
809 | int i; | |
810 | ||
811 | for (i = 0, p++; i < 4 && *p && *p != ']'; i++) | |
812 | { | |
813 | if (*p == '~') | |
814 | matrix[i] = - strtod (p + 1, &end); | |
815 | else | |
816 | matrix[i] = strtod (p, &end); | |
817 | p = end; | |
818 | } | |
819 | return (i == 4 ? (int) matrix[3] : -1); | |
820 | } | |
821 | ||
4485a28e KH |
822 | /* Expand a wildcard field in FIELD (the first N fields are filled) to |
823 | multiple fields to fill in all 14 XLFD fields while restring a | |
824 | field position by its contents. */ | |
825 | ||
ec6fe57c | 826 | static int |
4485a28e KH |
827 | font_expand_wildcards (field, n) |
828 | Lisp_Object field[XLFD_LAST_INDEX]; | |
829 | int n; | |
830 | { | |
831 | /* Copy of FIELD. */ | |
832 | Lisp_Object tmp[XLFD_LAST_INDEX]; | |
833 | /* Array of information about where this element can go. Nth | |
834 | element is for Nth element of FIELD. */ | |
835 | struct { | |
836 | /* Minimum possible field. */ | |
837 | int from; | |
838 | /* Maxinum possible field. */ | |
839 | int to; | |
840 | /* Bit mask of possible field. Nth bit corresponds to Nth field. */ | |
841 | int mask; | |
842 | } range[XLFD_LAST_INDEX]; | |
843 | int i, j; | |
ec6fe57c | 844 | int range_from, range_to; |
4485a28e KH |
845 | unsigned range_mask; |
846 | ||
847 | #define XLFD_SYMBOL_MASK (XLFD_FOUNDRY_MASK | XLFD_FAMILY_MASK \ | |
848 | | XLFD_ADSTYLE_MASK | XLFD_REGISTRY_MASK) | |
849 | #define XLFD_NULL_MASK (XLFD_FOUNDRY_MASK | XLFD_ADSTYLE_MASK) | |
4485a28e | 850 | #define XLFD_LARGENUM_MASK (XLFD_POINT_MASK | XLFD_RESX_MASK | XLFD_RESY_MASK \ |
ef18374f | 851 | | XLFD_AVGWIDTH_MASK) |
4485a28e KH |
852 | #define XLFD_REGENC_MASK (XLFD_REGISTRY_MASK | XLFD_ENCODING_MASK) |
853 | ||
854 | /* Initialize RANGE_MASK for FIELD[0] which can be 0th to (14 - N)th | |
855 | field. The value is shifted to left one bit by one in the | |
856 | following loop. */ | |
857 | for (i = 0, range_mask = 0; i <= 14 - n; i++) | |
858 | range_mask = (range_mask << 1) | 1; | |
859 | ||
ec6fe57c KH |
860 | /* The triplet RANGE_FROM, RANGE_TO, and RANGE_MASK is a |
861 | position-based retriction for FIELD[I]. */ | |
862 | for (i = 0, range_from = 0, range_to = 14 - n; i < n; | |
863 | i++, range_from++, range_to++, range_mask <<= 1) | |
4485a28e | 864 | { |
4485a28e KH |
865 | Lisp_Object val = field[i]; |
866 | ||
867 | tmp[i] = val; | |
868 | if (NILP (val)) | |
869 | { | |
870 | /* Wildcard. */ | |
871 | range[i].from = range_from; | |
872 | range[i].to = range_to; | |
873 | range[i].mask = range_mask; | |
874 | } | |
875 | else | |
876 | { | |
877 | /* The triplet FROM, TO, and MASK is a value-based | |
878 | retriction for FIELD[I]. */ | |
879 | int from, to; | |
880 | unsigned mask; | |
881 | ||
882 | if (INTEGERP (val)) | |
883 | { | |
884 | int numeric = XINT (val); | |
885 | ||
ef18374f KH |
886 | if (i + 1 == n) |
887 | from = to = XLFD_ENCODING_INDEX, | |
888 | mask = XLFD_ENCODING_MASK; | |
ec6fe57c KH |
889 | else if (numeric == 0) |
890 | from = XLFD_PIXEL_INDEX, to = XLFD_AVGWIDTH_INDEX, | |
891 | mask = XLFD_PIXEL_MASK | XLFD_LARGENUM_MASK; | |
ef18374f KH |
892 | else if (numeric <= 48) |
893 | from = to = XLFD_PIXEL_INDEX, | |
894 | mask = XLFD_PIXEL_MASK; | |
51c01100 | 895 | else |
ec6fe57c | 896 | from = XLFD_POINT_INDEX, to = XLFD_AVGWIDTH_INDEX, |
4485a28e KH |
897 | mask = XLFD_LARGENUM_MASK; |
898 | } | |
35027d0c | 899 | else if (SBYTES (SYMBOL_NAME (val)) == 0) |
4485a28e KH |
900 | from = XLFD_FOUNDRY_INDEX, to = XLFD_ADSTYLE_INDEX, |
901 | mask = XLFD_NULL_MASK; | |
902 | else if (i == 0) | |
903 | from = to = XLFD_FOUNDRY_INDEX, mask = XLFD_FOUNDRY_MASK; | |
904 | else if (i + 1 == n) | |
905 | { | |
906 | Lisp_Object name = SYMBOL_NAME (val); | |
907 | ||
908 | if (SDATA (name)[SBYTES (name) - 1] == '*') | |
909 | from = XLFD_REGISTRY_INDEX, to = XLFD_ENCODING_INDEX, | |
910 | mask = XLFD_REGENC_MASK; | |
911 | else | |
912 | from = to = XLFD_ENCODING_INDEX, | |
913 | mask = XLFD_ENCODING_MASK; | |
914 | } | |
ef18374f KH |
915 | else if (range_from <= XLFD_WEIGHT_INDEX |
916 | && range_to >= XLFD_WEIGHT_INDEX | |
35027d0c | 917 | && FONT_WEIGHT_NAME_NUMERIC (val) >= 0) |
4485a28e | 918 | from = to = XLFD_WEIGHT_INDEX, mask = XLFD_WEIGHT_MASK; |
ef18374f KH |
919 | else if (range_from <= XLFD_SLANT_INDEX |
920 | && range_to >= XLFD_SLANT_INDEX | |
35027d0c | 921 | && FONT_SLANT_NAME_NUMERIC (val) >= 0) |
4485a28e | 922 | from = to = XLFD_SLANT_INDEX, mask = XLFD_SLANT_MASK; |
ef18374f KH |
923 | else if (range_from <= XLFD_SWIDTH_INDEX |
924 | && range_to >= XLFD_SWIDTH_INDEX | |
35027d0c | 925 | && FONT_WIDTH_NAME_NUMERIC (val) >= 0) |
4485a28e KH |
926 | from = to = XLFD_SWIDTH_INDEX, mask = XLFD_SWIDTH_MASK; |
927 | else | |
928 | { | |
ec6fe57c | 929 | if (EQ (val, Qc) || EQ (val, Qm) || EQ (val, Qp) || EQ (val, Qd)) |
4485a28e KH |
930 | from = to = XLFD_SPACING_INDEX, mask = XLFD_SPACING_MASK; |
931 | else | |
932 | from = XLFD_FOUNDRY_INDEX, to = XLFD_ENCODING_INDEX, | |
933 | mask = XLFD_SYMBOL_MASK; | |
934 | } | |
935 | ||
936 | /* Merge position-based and value-based restrictions. */ | |
937 | mask &= range_mask; | |
938 | while (from < range_from) | |
939 | mask &= ~(1 << from++); | |
940 | while (from < 14 && ! (mask & (1 << from))) | |
941 | from++; | |
942 | while (to > range_to) | |
943 | mask &= ~(1 << to--); | |
944 | while (to >= 0 && ! (mask & (1 << to))) | |
945 | to--; | |
946 | if (from > to) | |
947 | return -1; | |
948 | range[i].from = from; | |
949 | range[i].to = to; | |
950 | range[i].mask = mask; | |
951 | ||
952 | if (from > range_from || to < range_to) | |
ec6fe57c KH |
953 | { |
954 | /* The range is narrowed by value-based restrictions. | |
955 | Reflect it to the other fields. */ | |
956 | ||
957 | /* Following fields should be after FROM. */ | |
958 | range_from = from; | |
959 | /* Preceding fields should be before TO. */ | |
960 | for (j = i - 1, from--, to--; j >= 0; j--, from--, to--) | |
961 | { | |
962 | /* Check FROM for non-wildcard field. */ | |
963 | if (! NILP (tmp[j]) && range[j].from < from) | |
964 | { | |
965 | while (range[j].from < from) | |
966 | range[j].mask &= ~(1 << range[j].from++); | |
967 | while (from < 14 && ! (range[j].mask & (1 << from))) | |
968 | from++; | |
969 | range[j].from = from; | |
970 | } | |
971 | else | |
972 | from = range[j].from; | |
973 | if (range[j].to > to) | |
974 | { | |
975 | while (range[j].to > to) | |
976 | range[j].mask &= ~(1 << range[j].to--); | |
977 | while (to >= 0 && ! (range[j].mask & (1 << to))) | |
978 | to--; | |
979 | range[j].to = to; | |
980 | } | |
981 | else | |
982 | to = range[j].to; | |
983 | if (from > to) | |
984 | return -1; | |
985 | } | |
986 | } | |
4485a28e KH |
987 | } |
988 | } | |
989 | ||
990 | /* Decide all fileds from restrictions in RANGE. */ | |
991 | for (i = j = 0; i < n ; i++) | |
992 | { | |
993 | if (j < range[i].from) | |
994 | { | |
995 | if (i == 0 || ! NILP (tmp[i - 1])) | |
996 | /* None of TMP[X] corresponds to Jth field. */ | |
997 | return -1; | |
998 | for (; j < range[i].from; j++) | |
999 | field[j] = Qnil; | |
1000 | } | |
1001 | field[j++] = tmp[i]; | |
1002 | } | |
1003 | if (! NILP (tmp[n - 1]) && j < XLFD_REGISTRY_INDEX) | |
1004 | return -1; | |
1005 | for (; j < XLFD_LAST_INDEX; j++) | |
1006 | field[j] = Qnil; | |
1007 | if (INTEGERP (field[XLFD_ENCODING_INDEX])) | |
1008 | field[XLFD_ENCODING_INDEX] | |
1009 | = Fintern (Fnumber_to_string (field[XLFD_ENCODING_INDEX]), Qnil); | |
1010 | return 0; | |
1011 | } | |
1012 | ||
43a1d19b SM |
1013 | |
1014 | #ifdef ENABLE_CHECKING | |
1015 | /* Match a 14-field XLFD pattern against a full XLFD font name. */ | |
1016 | static int | |
1017 | font_match_xlfd (char *pattern, char *name) | |
1018 | { | |
1019 | while (*pattern && *name) | |
1020 | { | |
1021 | if (*pattern == *name) | |
1022 | pattern++; | |
1023 | else if (*pattern == '*') | |
1024 | if (*name == pattern[1]) | |
1025 | pattern += 2; | |
1026 | else | |
1027 | ; | |
1028 | else | |
1029 | return 0; | |
1030 | name++; | |
1031 | } | |
1032 | return 1; | |
1033 | } | |
1034 | ||
1035 | /* Make sure the font object matches the XLFD font name. */ | |
1036 | static int | |
1037 | font_check_xlfd_parse (Lisp_Object font, char *name) | |
1038 | { | |
1039 | char name_check[256]; | |
1040 | font_unparse_xlfd (font, 0, name_check, 255); | |
1041 | return font_match_xlfd (name_check, name); | |
1042 | } | |
1043 | ||
1044 | #endif | |
1045 | ||
35027d0c | 1046 | |
ef18374f | 1047 | /* Parse NAME (null terminated) as XLFD and store information in FONT |
9331887d KH |
1048 | (font-spec or font-entity). Size property of FONT is set as |
1049 | follows: | |
1050 | specified XLFD fields FONT property | |
1051 | --------------------- ------------- | |
1052 | PIXEL_SIZE PIXEL_SIZE (Lisp integer) | |
1053 | POINT_SIZE and RESY calculated pixel size (Lisp integer) | |
1054 | POINT_SIZE POINT_SIZE/10 (Lisp float) | |
1055 | ||
ec6fe57c | 1056 | If NAME is successfully parsed, return 0. Otherwise return -1. |
9331887d | 1057 | |
ec6fe57c KH |
1058 | FONT is usually a font-spec, but when this function is called from |
1059 | X font backend driver, it is a font-entity. In that case, NAME is | |
35027d0c | 1060 | a fully specified XLFD. */ |
c2f5bfd6 KH |
1061 | |
1062 | int | |
ec6fe57c | 1063 | font_parse_xlfd (name, font) |
c2f5bfd6 KH |
1064 | char *name; |
1065 | Lisp_Object font; | |
c2f5bfd6 KH |
1066 | { |
1067 | int len = strlen (name); | |
35027d0c | 1068 | int i, j, n; |
cf23b845 | 1069 | char *f[XLFD_LAST_INDEX + 1]; |
c2f5bfd6 | 1070 | Lisp_Object val; |
4485a28e | 1071 | char *p; |
c2f5bfd6 | 1072 | |
e3928081 | 1073 | if (len > 255 || !len) |
c2f5bfd6 KH |
1074 | /* Maximum XLFD name length is 255. */ |
1075 | return -1; | |
ec6fe57c | 1076 | /* Accept "*-.." as a fully specified XLFD. */ |
e3928081 | 1077 | if (name[0] == '*' && (len == 1 || name[1] == '-')) |
ec6fe57c KH |
1078 | i = 1, f[XLFD_FOUNDRY_INDEX] = name; |
1079 | else | |
1080 | i = 0; | |
1081 | for (p = name + i; *p; p++) | |
35027d0c KH |
1082 | if (*p == '-') |
1083 | { | |
1084 | f[i++] = p + 1; | |
1085 | if (i == XLFD_LAST_INDEX) | |
1086 | break; | |
1087 | } | |
1088 | f[i] = name + len; | |
c2f5bfd6 | 1089 | |
2f286d4f KH |
1090 | #define INTERN_FIELD(N) font_intern_prop (f[N], f[(N) + 1] - 1 - f[N], 0) |
1091 | #define INTERN_FIELD_SYM(N) font_intern_prop (f[N], f[(N) + 1] - 1 - f[N], 1) | |
4485a28e | 1092 | |
ec6fe57c | 1093 | if (i == XLFD_LAST_INDEX) |
4485a28e | 1094 | { |
35027d0c | 1095 | /* Fully specified XLFD. */ |
ec6fe57c KH |
1096 | int pixel_size; |
1097 | ||
2f286d4f KH |
1098 | ASET (font, FONT_FOUNDRY_INDEX, INTERN_FIELD_SYM (XLFD_FOUNDRY_INDEX)); |
1099 | ASET (font, FONT_FAMILY_INDEX, INTERN_FIELD_SYM (XLFD_FAMILY_INDEX)); | |
35027d0c KH |
1100 | for (i = XLFD_WEIGHT_INDEX, j = FONT_WEIGHT_INDEX; |
1101 | i <= XLFD_SWIDTH_INDEX; i++, j++) | |
4485a28e | 1102 | { |
2f286d4f | 1103 | val = INTERN_FIELD_SYM (i); |
ec6fe57c | 1104 | if (! NILP (val)) |
4485a28e | 1105 | { |
2f286d4f | 1106 | if ((n = font_style_to_value (j, INTERN_FIELD_SYM (i), 0)) < 0) |
35027d0c KH |
1107 | return -1; |
1108 | ASET (font, j, make_number (n)); | |
ec6fe57c KH |
1109 | } |
1110 | } | |
2f286d4f | 1111 | ASET (font, FONT_ADSTYLE_INDEX, INTERN_FIELD_SYM (XLFD_ADSTYLE_INDEX)); |
35027d0c KH |
1112 | if (strcmp (f[XLFD_REGISTRY_INDEX], "*-*") == 0) |
1113 | ASET (font, FONT_REGISTRY_INDEX, Qnil); | |
1114 | else | |
1115 | ASET (font, FONT_REGISTRY_INDEX, | |
1116 | font_intern_prop (f[XLFD_REGISTRY_INDEX], | |
2f286d4f KH |
1117 | f[XLFD_LAST_INDEX] - f[XLFD_REGISTRY_INDEX], |
1118 | 1)); | |
ec6fe57c KH |
1119 | p = f[XLFD_PIXEL_INDEX]; |
1120 | if (*p == '[' && (pixel_size = parse_matrix (p)) >= 0) | |
51c01100 | 1121 | ASET (font, FONT_SIZE_INDEX, make_number (pixel_size)); |
ec6fe57c KH |
1122 | else |
1123 | { | |
35027d0c KH |
1124 | val = INTERN_FIELD (XLFD_PIXEL_INDEX); |
1125 | if (INTEGERP (val)) | |
ec6fe57c KH |
1126 | ASET (font, FONT_SIZE_INDEX, val); |
1127 | else | |
1128 | { | |
1129 | double point_size = -1; | |
1130 | ||
d0ab1ebe | 1131 | font_assert (FONT_SPEC_P (font)); |
ec6fe57c KH |
1132 | p = f[XLFD_POINT_INDEX]; |
1133 | if (*p == '[') | |
1134 | point_size = parse_matrix (p); | |
1135 | else if (isdigit (*p)) | |
1136 | point_size = atoi (p), point_size /= 10; | |
1137 | if (point_size >= 0) | |
1138 | ASET (font, FONT_SIZE_INDEX, make_float (point_size)); | |
4485a28e KH |
1139 | } |
1140 | } | |
ec6fe57c | 1141 | |
35027d0c KH |
1142 | ASET (font, FONT_DPI_INDEX, INTERN_FIELD (XLFD_RESY_INDEX)); |
1143 | val = INTERN_FIELD (XLFD_SPACING_INDEX); | |
1144 | if (! NILP (val)) | |
ec6fe57c | 1145 | { |
35027d0c KH |
1146 | val = font_prop_validate_spacing (QCspacing, val); |
1147 | if (! INTEGERP (val)) | |
1148 | return -1; | |
1149 | ASET (font, FONT_SPACING_INDEX, val); | |
ec6fe57c | 1150 | } |
ec6fe57c KH |
1151 | p = f[XLFD_AVGWIDTH_INDEX]; |
1152 | if (*p == '~') | |
1153 | p++; | |
35027d0c | 1154 | ASET (font, FONT_AVGWIDTH_INDEX, |
d26424c5 | 1155 | font_intern_prop (p, f[XLFD_REGISTRY_INDEX] - 1 - p, 0)); |
4485a28e KH |
1156 | } |
1157 | else | |
c2f5bfd6 | 1158 | { |
4485a28e | 1159 | int wild_card_found = 0; |
ec6fe57c | 1160 | Lisp_Object prop[XLFD_LAST_INDEX]; |
4485a28e | 1161 | |
35027d0c KH |
1162 | if (FONT_ENTITY_P (font)) |
1163 | return -1; | |
ec6fe57c | 1164 | for (j = 0; j < i; j++) |
4485a28e | 1165 | { |
ec6fe57c | 1166 | if (*f[j] == '*') |
4485a28e | 1167 | { |
ec6fe57c KH |
1168 | if (f[j][1] && f[j][1] != '-') |
1169 | return -1; | |
1170 | prop[j] = Qnil; | |
1171 | wild_card_found = 1; | |
1172 | } | |
ec6fe57c | 1173 | else if (j + 1 < i) |
35027d0c | 1174 | prop[j] = INTERN_FIELD (j); |
ec6fe57c | 1175 | else |
2f286d4f | 1176 | prop[j] = font_intern_prop (f[j], f[i] - f[j], 0); |
4485a28e KH |
1177 | } |
1178 | if (! wild_card_found) | |
c2f5bfd6 | 1179 | return -1; |
ec6fe57c | 1180 | if (font_expand_wildcards (prop, i) < 0) |
4485a28e | 1181 | return -1; |
ec6fe57c | 1182 | |
35027d0c KH |
1183 | ASET (font, FONT_FOUNDRY_INDEX, prop[XLFD_FOUNDRY_INDEX]); |
1184 | ASET (font, FONT_FAMILY_INDEX, prop[XLFD_FAMILY_INDEX]); | |
1185 | for (i = XLFD_WEIGHT_INDEX, j = FONT_WEIGHT_INDEX; | |
1186 | i <= XLFD_SWIDTH_INDEX; i++, j++) | |
ec6fe57c | 1187 | if (! NILP (prop[i])) |
35027d0c KH |
1188 | { |
1189 | if ((n = font_style_to_value (j, prop[i], 1)) < 0) | |
1190 | return -1; | |
1191 | ASET (font, j, make_number (n)); | |
1192 | } | |
1193 | ASET (font, FONT_ADSTYLE_INDEX, prop[XLFD_ADSTYLE_INDEX]); | |
ec6fe57c KH |
1194 | val = prop[XLFD_REGISTRY_INDEX]; |
1195 | if (NILP (val)) | |
c2f5bfd6 | 1196 | { |
ec6fe57c KH |
1197 | val = prop[XLFD_ENCODING_INDEX]; |
1198 | if (! NILP (val)) | |
35027d0c | 1199 | val = concat2 (build_string ("*-"), SYMBOL_NAME (val)); |
4485a28e | 1200 | } |
ec6fe57c | 1201 | else if (NILP (prop[XLFD_ENCODING_INDEX])) |
35027d0c | 1202 | val = concat2 (SYMBOL_NAME (val), build_string ("-*")); |
4485a28e | 1203 | else |
35027d0c KH |
1204 | val = concat3 (SYMBOL_NAME (val), build_string ("-"), |
1205 | SYMBOL_NAME (prop[XLFD_ENCODING_INDEX])); | |
ec6fe57c | 1206 | if (! NILP (val)) |
35027d0c | 1207 | ASET (font, FONT_REGISTRY_INDEX, Fintern (val, Qnil)); |
ec6fe57c KH |
1208 | |
1209 | if (INTEGERP (prop[XLFD_PIXEL_INDEX])) | |
1210 | ASET (font, FONT_SIZE_INDEX, prop[XLFD_PIXEL_INDEX]); | |
1211 | else if (INTEGERP (prop[XLFD_POINT_INDEX])) | |
4485a28e | 1212 | { |
ec6fe57c | 1213 | double point_size = XINT (prop[XLFD_POINT_INDEX]); |
c2f5bfd6 | 1214 | |
ec6fe57c KH |
1215 | ASET (font, FONT_SIZE_INDEX, make_float (point_size / 10)); |
1216 | } | |
c2f5bfd6 | 1217 | |
35027d0c KH |
1218 | if (INTEGERP (prop[XLFD_RESX_INDEX])) |
1219 | ASET (font, FONT_DPI_INDEX, prop[XLFD_RESY_INDEX]); | |
1220 | if (! NILP (prop[XLFD_SPACING_INDEX])) | |
1221 | { | |
1222 | val = font_prop_validate_spacing (QCspacing, | |
1223 | prop[XLFD_SPACING_INDEX]); | |
1224 | if (! INTEGERP (val)) | |
1225 | return -1; | |
1226 | ASET (font, FONT_SPACING_INDEX, val); | |
1227 | } | |
ec6fe57c | 1228 | if (INTEGERP (prop[XLFD_AVGWIDTH_INDEX])) |
35027d0c | 1229 | ASET (font, FONT_AVGWIDTH_INDEX, prop[XLFD_AVGWIDTH_INDEX]); |
c2f5bfd6 KH |
1230 | } |
1231 | ||
ec6fe57c | 1232 | return 0; |
c2f5bfd6 KH |
1233 | } |
1234 | ||
1235 | /* Store XLFD name of FONT (font-spec or font-entity) in NAME (NBYTES | |
1236 | length), and return the name length. If FONT_SIZE_INDEX of FONT is | |
1237 | 0, use PIXEL_SIZE instead. */ | |
1238 | ||
1239 | int | |
1240 | font_unparse_xlfd (font, pixel_size, name, nbytes) | |
1241 | Lisp_Object font; | |
1bb1d99b | 1242 | int pixel_size; |
c2f5bfd6 KH |
1243 | char *name; |
1244 | int nbytes; | |
1245 | { | |
ec6fe57c | 1246 | char *f[XLFD_REGISTRY_INDEX + 1]; |
c2f5bfd6 KH |
1247 | Lisp_Object val; |
1248 | int i, j, len = 0; | |
1249 | ||
d0ab1ebe | 1250 | font_assert (FONTP (font)); |
c2f5bfd6 KH |
1251 | |
1252 | for (i = FONT_FOUNDRY_INDEX, j = XLFD_FOUNDRY_INDEX; i <= FONT_REGISTRY_INDEX; | |
1253 | i++, j++) | |
1254 | { | |
1255 | if (i == FONT_ADSTYLE_INDEX) | |
1256 | j = XLFD_ADSTYLE_INDEX; | |
1257 | else if (i == FONT_REGISTRY_INDEX) | |
1258 | j = XLFD_REGISTRY_INDEX; | |
1259 | val = AREF (font, i); | |
1260 | if (NILP (val)) | |
1bb1d99b KH |
1261 | { |
1262 | if (j == XLFD_REGISTRY_INDEX) | |
1263 | f[j] = "*-*", len += 4; | |
1264 | else | |
1265 | f[j] = "*", len += 2; | |
1266 | } | |
c2f5bfd6 KH |
1267 | else |
1268 | { | |
1269 | if (SYMBOLP (val)) | |
1270 | val = SYMBOL_NAME (val); | |
1bb1d99b KH |
1271 | if (j == XLFD_REGISTRY_INDEX |
1272 | && ! strchr ((char *) SDATA (val), '-')) | |
1273 | { | |
1274 | /* Change "jisx0208*" and "jisx0208" to "jisx0208*-*". */ | |
1275 | if (SDATA (val)[SBYTES (val) - 1] == '*') | |
1276 | { | |
1277 | f[j] = alloca (SBYTES (val) + 3); | |
1278 | sprintf (f[j], "%s-*", SDATA (val)); | |
1279 | len += SBYTES (val) + 3; | |
1280 | } | |
1281 | else | |
1282 | { | |
1283 | f[j] = alloca (SBYTES (val) + 4); | |
1284 | sprintf (f[j], "%s*-*", SDATA (val)); | |
1285 | len += SBYTES (val) + 4; | |
1286 | } | |
1287 | } | |
1288 | else | |
1289 | f[j] = (char *) SDATA (val), len += SBYTES (val) + 1; | |
c2f5bfd6 KH |
1290 | } |
1291 | } | |
1292 | ||
1293 | for (i = FONT_WEIGHT_INDEX, j = XLFD_WEIGHT_INDEX; i <= FONT_WIDTH_INDEX; | |
1294 | i++, j++) | |
1295 | { | |
35027d0c | 1296 | val = font_style_symbolic (font, i, 0); |
c2f5bfd6 KH |
1297 | if (NILP (val)) |
1298 | f[j] = "*", len += 2; | |
1299 | else | |
1300 | { | |
35027d0c | 1301 | val = SYMBOL_NAME (val); |
c2f5bfd6 KH |
1302 | f[j] = (char *) SDATA (val), len += SBYTES (val) + 1; |
1303 | } | |
1304 | } | |
1305 | ||
1306 | val = AREF (font, FONT_SIZE_INDEX); | |
d0ab1ebe | 1307 | font_assert (NUMBERP (val) || NILP (val)); |
c2f5bfd6 KH |
1308 | if (INTEGERP (val)) |
1309 | { | |
35027d0c | 1310 | i = XINT (val); |
81aefea4 SM |
1311 | if (i <= 0) |
1312 | i = pixel_size; | |
c2f5bfd6 | 1313 | if (i > 0) |
81aefea4 SM |
1314 | { |
1315 | f[XLFD_PIXEL_INDEX] = alloca (22); | |
1316 | len += sprintf (f[XLFD_PIXEL_INDEX], "%d-*", i) + 1; | |
1317 | } | |
1318 | else | |
1319 | f[XLFD_PIXEL_INDEX] = "*-*", len += 4; | |
c2f5bfd6 KH |
1320 | } |
1321 | else if (FLOATP (val)) | |
1322 | { | |
35027d0c | 1323 | i = XFLOAT_DATA (val) * 10; |
ec6fe57c | 1324 | f[XLFD_PIXEL_INDEX] = alloca (12); |
ec6fe57c | 1325 | len += sprintf (f[XLFD_PIXEL_INDEX], "*-%d", i) + 1; |
c2f5bfd6 KH |
1326 | } |
1327 | else | |
ec6fe57c KH |
1328 | f[XLFD_PIXEL_INDEX] = "*-*", len += 4; |
1329 | ||
35027d0c | 1330 | if (INTEGERP (AREF (font, FONT_DPI_INDEX))) |
c2f5bfd6 | 1331 | { |
35027d0c KH |
1332 | i = XINT (AREF (font, FONT_DPI_INDEX)); |
1333 | f[XLFD_RESX_INDEX] = alloca (22); | |
1334 | len += sprintf (f[XLFD_RESX_INDEX], | |
1335 | "%d-%d", i, i) + 1; | |
c2f5bfd6 KH |
1336 | } |
1337 | else | |
35027d0c KH |
1338 | f[XLFD_RESX_INDEX] = "*-*", len += 4; |
1339 | if (INTEGERP (AREF (font, FONT_SPACING_INDEX))) | |
ec6fe57c | 1340 | { |
35027d0c | 1341 | int spacing = XINT (AREF (font, FONT_SPACING_INDEX)); |
ec6fe57c | 1342 | |
35027d0c KH |
1343 | f[XLFD_SPACING_INDEX] = (spacing <= FONT_SPACING_PROPORTIONAL ? "p" |
1344 | : spacing <= FONT_SPACING_DUAL ? "d" | |
1345 | : spacing <= FONT_SPACING_MONO ? "m" | |
1346 | : "c"); | |
1347 | len += 2; | |
ec6fe57c | 1348 | } |
35027d0c KH |
1349 | else |
1350 | f[XLFD_SPACING_INDEX] = "*", len += 2; | |
1351 | if (INTEGERP (AREF (font, FONT_AVGWIDTH_INDEX))) | |
1352 | { | |
1353 | f[XLFD_AVGWIDTH_INDEX] = alloca (11); | |
1354 | len += sprintf (f[XLFD_AVGWIDTH_INDEX], | |
1355 | "%d", XINT (AREF (font, FONT_AVGWIDTH_INDEX))) + 1; | |
1356 | } | |
1357 | else | |
1358 | f[XLFD_AVGWIDTH_INDEX] = "*", len += 2; | |
ec6fe57c | 1359 | len++; /* for terminating '\0'. */ |
c2f5bfd6 KH |
1360 | if (len >= nbytes) |
1361 | return -1; | |
35027d0c | 1362 | return sprintf (name, "-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s", |
c2f5bfd6 KH |
1363 | f[XLFD_FOUNDRY_INDEX], f[XLFD_FAMILY_INDEX], |
1364 | f[XLFD_WEIGHT_INDEX], f[XLFD_SLANT_INDEX], | |
35027d0c KH |
1365 | f[XLFD_SWIDTH_INDEX], f[XLFD_ADSTYLE_INDEX], |
1366 | f[XLFD_PIXEL_INDEX], f[XLFD_RESX_INDEX], | |
1367 | f[XLFD_SPACING_INDEX], f[XLFD_AVGWIDTH_INDEX], | |
1368 | f[XLFD_REGISTRY_INDEX]); | |
c2f5bfd6 KH |
1369 | } |
1370 | ||
8c102d5b CY |
1371 | /* Parse NAME (null terminated) and store information in FONT |
1372 | (font-spec or font-entity). NAME is supplied in either the | |
1373 | Fontconfig or GTK font name format. If NAME is successfully | |
1374 | parsed, return 0. Otherwise return -1. | |
1375 | ||
1376 | The fontconfig format is | |
1377 | ||
1378 | FAMILY[-SIZE][:PROP1[=VAL1][:PROP2[=VAL2]...]] | |
1379 | ||
1380 | The GTK format is | |
1381 | ||
1382 | FAMILY [PROPS...] [SIZE] | |
1383 | ||
1384 | This function tries to guess which format it is. */ | |
ef18374f KH |
1385 | |
1386 | int | |
ec6fe57c | 1387 | font_parse_fcname (name, font) |
ef18374f KH |
1388 | char *name; |
1389 | Lisp_Object font; | |
ef18374f | 1390 | { |
8c102d5b CY |
1391 | char *p, *q; |
1392 | char *size_beg = NULL, *size_end = NULL; | |
1393 | char *props_beg = NULL, *family_end = NULL; | |
9331887d | 1394 | int len = strlen (name); |
ef18374f | 1395 | |
ec6fe57c KH |
1396 | if (len == 0) |
1397 | return -1; | |
8c102d5b CY |
1398 | |
1399 | for (p = name; *p; p++) | |
ef18374f | 1400 | { |
8c102d5b CY |
1401 | if (*p == '\\' && p[1]) |
1402 | p++; | |
1403 | else if (*p == ':') | |
ef18374f | 1404 | { |
59facb78 | 1405 | props_beg = family_end = p; |
8c102d5b CY |
1406 | break; |
1407 | } | |
1408 | else if (*p == '-') | |
1409 | { | |
b1868a1a | 1410 | int decimal = 0, size_found = 1; |
8c102d5b | 1411 | for (q = p + 1; *q && *q != ':'; q++) |
b1868a1a | 1412 | if (! isdigit(*q)) |
8c102d5b | 1413 | { |
b1868a1a CY |
1414 | if (*q != '.' || decimal) |
1415 | { | |
1416 | size_found = 0; | |
1417 | break; | |
1418 | } | |
1419 | decimal = 1; | |
8c102d5b CY |
1420 | } |
1421 | if (size_found) | |
1422 | { | |
1423 | family_end = p; | |
1424 | size_beg = p + 1; | |
1425 | size_end = q; | |
1426 | break; | |
1427 | } | |
ef18374f | 1428 | } |
ef18374f | 1429 | } |
9331887d | 1430 | |
8c102d5b CY |
1431 | if (family_end) |
1432 | { | |
1433 | /* A fontconfig name with size and/or property data. */ | |
1434 | if (family_end > name) | |
1435 | { | |
1436 | Lisp_Object family; | |
1437 | family = font_intern_prop (name, family_end - name, 1); | |
1438 | ASET (font, FONT_FAMILY_INDEX, family); | |
1439 | } | |
1440 | if (size_beg) | |
1441 | { | |
1442 | double point_size = strtod (size_beg, &size_end); | |
1443 | ASET (font, FONT_SIZE_INDEX, make_float (point_size)); | |
1444 | if (*size_end == ':' && size_end[1]) | |
59facb78 | 1445 | props_beg = size_end; |
8c102d5b CY |
1446 | } |
1447 | if (props_beg) | |
1448 | { | |
d26424c5 | 1449 | /* Now parse ":KEY=VAL" patterns. */ |
59facb78 | 1450 | Lisp_Object val; |
8c102d5b | 1451 | |
59facb78 | 1452 | for (p = props_beg; *p; p = q) |
8c102d5b | 1453 | { |
8c102d5b | 1454 | for (q = p + 1; *q && *q != '=' && *q != ':'; q++); |
8c102d5b CY |
1455 | if (*q != '=') |
1456 | { | |
1457 | /* Must be an enumerated value. */ | |
59facb78 CY |
1458 | int word_len; |
1459 | p = p + 1; | |
1460 | word_len = q - p; | |
8c102d5b | 1461 | val = font_intern_prop (p, q - p, 1); |
9277a69d CY |
1462 | |
1463 | #define PROP_MATCH(STR,N) ((word_len == N) && memcmp (p, STR, N) == 0) | |
1464 | ||
8c102d5b CY |
1465 | if (PROP_MATCH ("light", 5) |
1466 | || PROP_MATCH ("medium", 6) | |
1467 | || PROP_MATCH ("demibold", 8) | |
1468 | || PROP_MATCH ("bold", 4) | |
1469 | || PROP_MATCH ("black", 5)) | |
1470 | FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, val); | |
1471 | else if (PROP_MATCH ("roman", 5) | |
1472 | || PROP_MATCH ("italic", 6) | |
1473 | || PROP_MATCH ("oblique", 7)) | |
1474 | FONT_SET_STYLE (font, FONT_SLANT_INDEX, val); | |
1475 | else if (PROP_MATCH ("charcell", 8)) | |
1476 | ASET (font, FONT_SPACING_INDEX, | |
1477 | make_number (FONT_SPACING_CHARCELL)); | |
1478 | else if (PROP_MATCH ("mono", 4)) | |
1479 | ASET (font, FONT_SPACING_INDEX, | |
1480 | make_number (FONT_SPACING_MONO)); | |
1481 | else if (PROP_MATCH ("proportional", 12)) | |
1482 | ASET (font, FONT_SPACING_INDEX, | |
1483 | make_number (FONT_SPACING_PROPORTIONAL)); | |
9277a69d | 1484 | #undef PROP_MATCH |
8c102d5b | 1485 | } |
59facb78 | 1486 | else |
8c102d5b | 1487 | { |
59facb78 | 1488 | /* KEY=VAL pairs */ |
8c102d5b | 1489 | Lisp_Object key; |
59facb78 | 1490 | int prop; |
51c01100 | 1491 | |
59facb78 | 1492 | if (q - p == 10 && memcmp (p + 1, "pixelsize", 9) == 0) |
8c102d5b CY |
1493 | prop = FONT_SIZE_INDEX; |
1494 | else | |
1495 | { | |
1496 | key = font_intern_prop (p, q - p, 1); | |
1497 | prop = get_font_prop_index (key); | |
1498 | } | |
77989187 | 1499 | |
8c102d5b CY |
1500 | p = q + 1; |
1501 | for (q = p; *q && *q != ':'; q++); | |
90c00b01 | 1502 | val = font_intern_prop (p, q - p, 0); |
77989187 | 1503 | |
d26424c5 KH |
1504 | if (prop >= FONT_FOUNDRY_INDEX |
1505 | && prop < FONT_EXTRA_INDEX) | |
1506 | ASET (font, prop, font_prop_validate (prop, Qnil, val)); | |
1507 | else | |
1508 | Ffont_put (font, key, val); | |
8c102d5b | 1509 | } |
d26424c5 | 1510 | p = q; |
8c102d5b | 1511 | } |
8c102d5b CY |
1512 | } |
1513 | } | |
1514 | else | |
ef18374f | 1515 | { |
8c102d5b CY |
1516 | /* Either a fontconfig-style name with no size and property |
1517 | data, or a GTK-style name. */ | |
1518 | Lisp_Object prop; | |
1519 | int word_len, prop_found = 0; | |
ef18374f | 1520 | |
8c102d5b | 1521 | for (p = name; *p; p = *q ? q + 1 : q) |
ef18374f | 1522 | { |
8c102d5b | 1523 | if (isdigit (*p)) |
9331887d | 1524 | { |
8c102d5b | 1525 | int size_found = 1; |
7181ea6a | 1526 | |
8c102d5b CY |
1527 | for (q = p + 1; *q && *q != ' '; q++) |
1528 | if (! isdigit (*q)) | |
1529 | { | |
1530 | size_found = 0; | |
1531 | break; | |
1532 | } | |
1533 | if (size_found) | |
1534 | { | |
1535 | double point_size = strtod (p, &q); | |
1536 | ASET (font, FONT_SIZE_INDEX, make_float (point_size)); | |
1537 | continue; | |
1538 | } | |
027a33c0 | 1539 | } |
8c102d5b CY |
1540 | |
1541 | for (q = p + 1; *q && *q != ' '; q++) | |
1542 | if (*q == '\\' && q[1]) | |
1543 | q++; | |
1544 | word_len = q - p; | |
1545 | ||
1546 | #define PROP_MATCH(STR,N) ((word_len == N) && memcmp (p, STR, N) == 0) | |
1547 | ||
1548 | if (PROP_MATCH ("Ultra-Light", 11)) | |
9331887d | 1549 | { |
8c102d5b CY |
1550 | prop_found = 1; |
1551 | prop = font_intern_prop ("ultra-light", 11, 1); | |
1552 | FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, prop); | |
9331887d | 1553 | } |
8c102d5b | 1554 | else if (PROP_MATCH ("Light", 5)) |
9331887d | 1555 | { |
8c102d5b CY |
1556 | prop_found = 1; |
1557 | prop = font_intern_prop ("light", 5, 1); | |
1558 | FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, prop); | |
9331887d | 1559 | } |
8c102d5b | 1560 | else if (PROP_MATCH ("Semi-Bold", 9)) |
9331887d | 1561 | { |
8c102d5b CY |
1562 | prop_found = 1; |
1563 | prop = font_intern_prop ("semi-bold", 9, 1); | |
1564 | FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, prop); | |
1565 | } | |
1566 | else if (PROP_MATCH ("Bold", 4)) | |
1567 | { | |
1568 | prop_found = 1; | |
1569 | prop = font_intern_prop ("bold", 4, 1); | |
1570 | FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, prop); | |
ef18374f | 1571 | } |
8c102d5b CY |
1572 | else if (PROP_MATCH ("Italic", 6)) |
1573 | { | |
1574 | prop_found = 1; | |
1575 | prop = font_intern_prop ("italic", 4, 1); | |
1576 | FONT_SET_STYLE (font, FONT_SLANT_INDEX, prop); | |
1577 | } | |
1578 | else if (PROP_MATCH ("Oblique", 7)) | |
1579 | { | |
1580 | prop_found = 1; | |
1581 | prop = font_intern_prop ("oblique", 7, 1); | |
1582 | FONT_SET_STYLE (font, FONT_SLANT_INDEX, prop); | |
1583 | } | |
1584 | else { | |
1585 | if (prop_found) | |
1586 | return -1; /* Unknown property in GTK-style font name. */ | |
1587 | family_end = q; | |
1588 | } | |
ef18374f | 1589 | } |
8c102d5b | 1590 | #undef PROP_MATCH |
9ba6fd41 | 1591 | |
8c102d5b CY |
1592 | if (family_end) |
1593 | { | |
1594 | Lisp_Object family; | |
1595 | family = font_intern_prop (name, family_end - name, 1); | |
1596 | ASET (font, FONT_FAMILY_INDEX, family); | |
1597 | } | |
1598 | } | |
17ab8f5d | 1599 | |
9331887d | 1600 | return 0; |
ef18374f KH |
1601 | } |
1602 | ||
1603 | /* Store fontconfig's font name of FONT (font-spec or font-entity) in | |
1604 | NAME (NBYTES length), and return the name length. If | |
1605 | FONT_SIZE_INDEX of FONT is 0, use PIXEL_SIZE instead. */ | |
1606 | ||
1607 | int | |
1608 | font_unparse_fcname (font, pixel_size, name, nbytes) | |
1609 | Lisp_Object font; | |
1610 | int pixel_size; | |
1611 | char *name; | |
1612 | int nbytes; | |
1613 | { | |
b1868a1a | 1614 | Lisp_Object family, foundry; |
35027d0c | 1615 | Lisp_Object tail, val; |
ec6fe57c | 1616 | int point_size; |
ec6fe57c | 1617 | int i, len = 1; |
ef18374f | 1618 | char *p; |
a9262bb8 | 1619 | Lisp_Object styles[3]; |
417a1b10 | 1620 | char *style_names[3] = { "weight", "slant", "width" }; |
35027d0c | 1621 | char work[256]; |
ef18374f | 1622 | |
b1868a1a CY |
1623 | family = AREF (font, FONT_FAMILY_INDEX); |
1624 | if (! NILP (family)) | |
1625 | { | |
1626 | if (SYMBOLP (family)) | |
1627 | { | |
1628 | family = SYMBOL_NAME (family); | |
1629 | len += SBYTES (family); | |
1630 | } | |
1631 | else | |
1632 | family = Qnil; | |
1633 | } | |
ec6fe57c KH |
1634 | |
1635 | val = AREF (font, FONT_SIZE_INDEX); | |
1636 | if (INTEGERP (val)) | |
ef18374f | 1637 | { |
ec6fe57c KH |
1638 | if (XINT (val) != 0) |
1639 | pixel_size = XINT (val); | |
1640 | point_size = -1; | |
1641 | len += 21; /* for ":pixelsize=NUM" */ | |
ef18374f | 1642 | } |
ec6fe57c | 1643 | else if (FLOATP (val)) |
ef18374f | 1644 | { |
ec6fe57c KH |
1645 | pixel_size = -1; |
1646 | point_size = (int) XFLOAT_DATA (val); | |
1647 | len += 11; /* for "-NUM" */ | |
ef18374f | 1648 | } |
ec6fe57c | 1649 | |
b1868a1a CY |
1650 | foundry = AREF (font, FONT_FOUNDRY_INDEX); |
1651 | if (! NILP (foundry)) | |
1652 | { | |
1653 | if (SYMBOLP (foundry)) | |
1654 | { | |
1655 | foundry = SYMBOL_NAME (foundry); | |
1656 | len += 9 + SBYTES (foundry); /* ":foundry=NAME" */ | |
1657 | } | |
1658 | else | |
1659 | foundry = Qnil; | |
1660 | } | |
ec6fe57c | 1661 | |
35027d0c | 1662 | for (i = 0; i < 3; i++) |
a9262bb8 | 1663 | { |
35027d0c KH |
1664 | styles[i] = font_style_symbolic (font, FONT_WEIGHT_INDEX + i, 0); |
1665 | if (! NILP (styles[i])) | |
1666 | len += sprintf (work, ":%s=%s", style_names[i], | |
1667 | SDATA (SYMBOL_NAME (styles[i]))); | |
ec6fe57c | 1668 | } |
35027d0c KH |
1669 | |
1670 | if (INTEGERP (AREF (font, FONT_DPI_INDEX))) | |
f7741ce9 | 1671 | len += sprintf (work, ":dpi=%d", XINT (AREF (font, FONT_DPI_INDEX))); |
35027d0c KH |
1672 | if (INTEGERP (AREF (font, FONT_SPACING_INDEX))) |
1673 | len += strlen (":spacing=100"); | |
1674 | if (INTEGERP (AREF (font, FONT_AVGWIDTH_INDEX))) | |
1675 | len += strlen (":scalable=false"); /* or ":scalable=true" */ | |
1676 | for (tail = AREF (font, FONT_EXTRA_INDEX); CONSP (tail); tail = XCDR (tail)) | |
ec6fe57c | 1677 | { |
35027d0c KH |
1678 | Lisp_Object key = XCAR (XCAR (tail)), val = XCDR (XCAR (tail)); |
1679 | ||
1680 | len += SBYTES (SYMBOL_NAME (key)) + 1; /* for :KEY= */ | |
1681 | if (STRINGP (val)) | |
1682 | len += SBYTES (val); | |
1683 | else if (INTEGERP (val)) | |
1684 | len += sprintf (work, "%d", XINT (val)); | |
1685 | else if (SYMBOLP (val)) | |
1686 | len += (NILP (val) ? 5 : 4); /* for "false" or "true" */ | |
ec6fe57c KH |
1687 | } |
1688 | ||
ef18374f KH |
1689 | if (len > nbytes) |
1690 | return -1; | |
1691 | p = name; | |
b1868a1a CY |
1692 | if (! NILP (family)) |
1693 | p += sprintf (p, "%s", SDATA (family)); | |
ec6fe57c KH |
1694 | if (point_size > 0) |
1695 | { | |
1696 | if (p == name) | |
1697 | p += sprintf (p, "%d", point_size); | |
1698 | else | |
1699 | p += sprintf (p, "-%d", point_size); | |
1700 | } | |
ef18374f KH |
1701 | else if (pixel_size > 0) |
1702 | p += sprintf (p, ":pixelsize=%d", pixel_size); | |
35027d0c | 1703 | if (! NILP (AREF (font, FONT_FOUNDRY_INDEX))) |
a9262bb8 KH |
1704 | p += sprintf (p, ":foundry=%s", |
1705 | SDATA (SYMBOL_NAME (AREF (font, FONT_FOUNDRY_INDEX)))); | |
1706 | for (i = 0; i < 3; i++) | |
35027d0c | 1707 | if (! NILP (styles[i])) |
a9262bb8 | 1708 | p += sprintf (p, ":%s=%s", style_names[i], |
35027d0c KH |
1709 | SDATA (SYMBOL_NAME (styles[i]))); |
1710 | if (INTEGERP (AREF (font, FONT_DPI_INDEX))) | |
1711 | p += sprintf (p, ":dpi=%d", XINT (AREF (font, FONT_DPI_INDEX))); | |
1712 | if (INTEGERP (AREF (font, FONT_SPACING_INDEX))) | |
1713 | p += sprintf (p, ":spacing=%d", XINT (AREF (font, FONT_SPACING_INDEX))); | |
1714 | if (INTEGERP (AREF (font, FONT_AVGWIDTH_INDEX))) | |
1715 | { | |
1716 | if (XINT (AREF (font, FONT_AVGWIDTH_INDEX)) == 0) | |
1717 | p += sprintf (p, ":scalable=true"); | |
1718 | else | |
1719 | p += sprintf (p, ":scalable=false"); | |
1720 | } | |
ef18374f KH |
1721 | return (p - name); |
1722 | } | |
1723 | ||
b1868a1a CY |
1724 | /* Store GTK-style font name of FONT (font-spec or font-entity) in |
1725 | NAME (NBYTES length), and return the name length. F is the frame | |
1726 | on which the font is displayed; it is used to calculate the point | |
1727 | size. */ | |
1728 | ||
1729 | int | |
1730 | font_unparse_gtkname (font, f, name, nbytes) | |
1731 | Lisp_Object font; | |
1732 | struct frame *f; | |
1733 | char *name; | |
1734 | int nbytes; | |
1735 | { | |
1736 | char *p; | |
1737 | int len = 1; | |
1738 | Lisp_Object family, weight, slant, size; | |
1739 | int point_size = -1; | |
1740 | ||
1741 | family = AREF (font, FONT_FAMILY_INDEX); | |
1742 | if (! NILP (family)) | |
1743 | { | |
1744 | if (! SYMBOLP (family)) | |
1745 | return -1; | |
1746 | family = SYMBOL_NAME (family); | |
1747 | len += SBYTES (family); | |
1748 | } | |
1749 | ||
1750 | weight = font_style_symbolic (font, FONT_WEIGHT_INDEX, 0); | |
93eed26b | 1751 | if (EQ (weight, Qnormal)) |
b1868a1a CY |
1752 | weight = Qnil; |
1753 | else if (! NILP (weight)) | |
1754 | { | |
1755 | weight = SYMBOL_NAME (weight); | |
1756 | len += SBYTES (weight); | |
1757 | } | |
1758 | ||
1759 | slant = font_style_symbolic (font, FONT_SLANT_INDEX, 0); | |
93eed26b | 1760 | if (EQ (slant, Qnormal)) |
b1868a1a CY |
1761 | slant = Qnil; |
1762 | else if (! NILP (slant)) | |
1763 | { | |
1764 | slant = SYMBOL_NAME (slant); | |
1765 | len += SBYTES (slant); | |
1766 | } | |
1767 | ||
1768 | size = AREF (font, FONT_SIZE_INDEX); | |
1769 | /* Convert pixel size to point size. */ | |
1770 | if (INTEGERP (size)) | |
1771 | { | |
1772 | Lisp_Object font_dpi = AREF (font, FONT_DPI_INDEX); | |
1773 | int dpi = 75; | |
1774 | if (INTEGERP (font_dpi)) | |
1775 | dpi = XINT (font_dpi); | |
1776 | else if (f) | |
1777 | dpi = f->resy; | |
1778 | point_size = PIXEL_TO_POINT (XINT (size), dpi); | |
1779 | len += 11; | |
1780 | } | |
1781 | else if (FLOATP (size)) | |
1782 | { | |
1783 | point_size = (int) XFLOAT_DATA (size); | |
1784 | len += 11; | |
1785 | } | |
1786 | ||
1787 | if (len > nbytes) | |
1788 | return -1; | |
1789 | ||
1790 | p = name + sprintf (name, "%s", SDATA (family)); | |
1791 | ||
1792 | if (! NILP (weight)) | |
1793 | { | |
1794 | char *q = p; | |
1795 | p += sprintf (p, " %s", SDATA (weight)); | |
1796 | q[1] = toupper (q[1]); | |
1797 | } | |
1798 | ||
1799 | if (! NILP (slant)) | |
1800 | { | |
1801 | char *q = p; | |
1802 | p += sprintf (p, " %s", SDATA (slant)); | |
1803 | q[1] = toupper (q[1]); | |
1804 | } | |
1805 | ||
1806 | if (point_size > 0) | |
1807 | p += sprintf (p, " %d", point_size); | |
1808 | ||
1809 | return (p - name); | |
1810 | } | |
1811 | ||
ef18374f KH |
1812 | /* Parse NAME (null terminated) and store information in FONT |
1813 | (font-spec or font-entity). If NAME is successfully parsed, return | |
35027d0c | 1814 | 0. Otherwise return -1. */ |
ef18374f KH |
1815 | |
1816 | static int | |
ec6fe57c | 1817 | font_parse_name (name, font) |
ef18374f KH |
1818 | char *name; |
1819 | Lisp_Object font; | |
ef18374f | 1820 | { |
05802645 | 1821 | if (name[0] == '-' || index (name, '*') || index (name, '?')) |
e950d6f1 | 1822 | return font_parse_xlfd (name, font); |
ec6fe57c | 1823 | return font_parse_fcname (name, font); |
ef18374f KH |
1824 | } |
1825 | ||
35027d0c KH |
1826 | |
1827 | /* Merge FAMILY and REGISTRY into FONT_SPEC. FAMILY may have the form | |
1828 | "FAMILY-FOUNDRY". REGISTRY may not contain charset-encoding | |
1829 | part. */ | |
45eb10fb | 1830 | |
c2f5bfd6 | 1831 | void |
35027d0c KH |
1832 | font_parse_family_registry (family, registry, font_spec) |
1833 | Lisp_Object family, registry, font_spec; | |
c2f5bfd6 | 1834 | { |
35027d0c KH |
1835 | int len; |
1836 | char *p0, *p1; | |
1837 | ||
d0ab1ebe KH |
1838 | if (! NILP (family) |
1839 | && NILP (AREF (font_spec, FONT_FAMILY_INDEX))) | |
c2f5bfd6 | 1840 | { |
35027d0c KH |
1841 | CHECK_STRING (family); |
1842 | len = SBYTES (family); | |
1843 | p0 = (char *) SDATA (family); | |
1844 | p1 = index (p0, '-'); | |
1845 | if (p1) | |
c2f5bfd6 | 1846 | { |
d0ab1ebe KH |
1847 | if ((*p0 != '*' || p1 - p0 > 1) |
1848 | && NILP (AREF (font_spec, FONT_FOUNDRY_INDEX))) | |
2f286d4f | 1849 | Ffont_put (font_spec, QCfoundry, font_intern_prop (p0, p1 - p0, 1)); |
35027d0c KH |
1850 | p1++; |
1851 | len -= p1 - p0; | |
2f286d4f | 1852 | Ffont_put (font_spec, QCfamily, font_intern_prop (p1, len, 1)); |
c2f5bfd6 | 1853 | } |
35027d0c KH |
1854 | else |
1855 | ASET (font_spec, FONT_FAMILY_INDEX, Fintern (family, Qnil)); | |
c2f5bfd6 | 1856 | } |
35027d0c | 1857 | if (! NILP (registry)) |
c2f5bfd6 | 1858 | { |
35027d0c KH |
1859 | /* Convert "XXX" and "XXX*" to "XXX*-*". */ |
1860 | CHECK_STRING (registry); | |
1861 | len = SBYTES (registry); | |
1862 | p0 = (char *) SDATA (registry); | |
1863 | p1 = index (p0, '-'); | |
1864 | if (! p1) | |
c2f5bfd6 | 1865 | { |
35027d0c KH |
1866 | if (SDATA (registry)[len - 1] == '*') |
1867 | registry = concat2 (registry, build_string ("-*")); | |
1868 | else | |
1869 | registry = concat2 (registry, build_string ("*-*")); | |
c2f5bfd6 | 1870 | } |
35027d0c KH |
1871 | registry = Fdowncase (registry); |
1872 | ASET (font_spec, FONT_REGISTRY_INDEX, Fintern (registry, Qnil)); | |
c2f5bfd6 KH |
1873 | } |
1874 | } | |
1875 | ||
45eb10fb | 1876 | \f |
35027d0c KH |
1877 | /* This part (through the next ^L) is still experimental and not |
1878 | tested much. We may drastically change codes. */ | |
10d16101 | 1879 | |
45eb10fb | 1880 | /* OTF handler */ |
10d16101 | 1881 | |
6a3dadd2 KH |
1882 | #if 0 |
1883 | ||
e950d6f1 KH |
1884 | #define LGSTRING_HEADER_SIZE 6 |
1885 | #define LGSTRING_GLYPH_SIZE 8 | |
1886 | ||
1887 | static int | |
1888 | check_gstring (gstring) | |
1889 | Lisp_Object gstring; | |
1890 | { | |
1891 | Lisp_Object val; | |
1892 | int i, j; | |
1893 | ||
1894 | CHECK_VECTOR (gstring); | |
1895 | val = AREF (gstring, 0); | |
1896 | CHECK_VECTOR (val); | |
1897 | if (ASIZE (val) < LGSTRING_HEADER_SIZE) | |
1898 | goto err; | |
1899 | CHECK_FONT_OBJECT (LGSTRING_FONT (gstring)); | |
f9ffa1ea SM |
1900 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_LBEARING))) |
1901 | CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_LBEARING)); | |
1902 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_RBEARING))) | |
1903 | CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_RBEARING)); | |
1904 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_WIDTH))) | |
1905 | CHECK_NATNUM (LGSTRING_SLOT (gstring, LGSTRING_IX_WIDTH)); | |
1906 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT))) | |
1907 | CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT)); | |
1908 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT))) | |
1909 | CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT)); | |
e950d6f1 | 1910 | |
071132a9 | 1911 | for (i = 0; i < LGSTRING_GLYPH_LEN (gstring); i++) |
e950d6f1 KH |
1912 | { |
1913 | val = LGSTRING_GLYPH (gstring, i); | |
1914 | CHECK_VECTOR (val); | |
1915 | if (ASIZE (val) < LGSTRING_GLYPH_SIZE) | |
1916 | goto err; | |
f9ffa1ea | 1917 | if (NILP (AREF (val, LGLYPH_IX_CHAR))) |
e950d6f1 | 1918 | break; |
f9ffa1ea SM |
1919 | CHECK_NATNUM (AREF (val, LGLYPH_IX_FROM)); |
1920 | CHECK_NATNUM (AREF (val, LGLYPH_IX_TO)); | |
1921 | CHECK_CHARACTER (AREF (val, LGLYPH_IX_CHAR)); | |
1922 | if (!NILP (AREF (val, LGLYPH_IX_CODE))) | |
1923 | CHECK_NATNUM (AREF (val, LGLYPH_IX_CODE)); | |
1924 | if (!NILP (AREF (val, LGLYPH_IX_WIDTH))) | |
1925 | CHECK_NATNUM (AREF (val, LGLYPH_IX_WIDTH)); | |
1926 | if (!NILP (AREF (val, LGLYPH_IX_ADJUSTMENT))) | |
e950d6f1 | 1927 | { |
f9ffa1ea | 1928 | val = AREF (val, LGLYPH_IX_ADJUSTMENT); |
e950d6f1 KH |
1929 | CHECK_VECTOR (val); |
1930 | if (ASIZE (val) < 3) | |
1931 | goto err; | |
1932 | for (j = 0; j < 3; j++) | |
1933 | CHECK_NUMBER (AREF (val, j)); | |
1934 | } | |
1935 | } | |
1936 | return i; | |
1937 | err: | |
1938 | error ("Invalid glyph-string format"); | |
1939 | return -1; | |
1940 | } | |
1941 | ||
cf385d93 KH |
1942 | static void |
1943 | check_otf_features (otf_features) | |
1944 | Lisp_Object otf_features; | |
1945 | { | |
35027d0c | 1946 | Lisp_Object val; |
cf385d93 KH |
1947 | |
1948 | CHECK_CONS (otf_features); | |
1949 | CHECK_SYMBOL (XCAR (otf_features)); | |
1950 | otf_features = XCDR (otf_features); | |
1951 | CHECK_CONS (otf_features); | |
1952 | CHECK_SYMBOL (XCAR (otf_features)); | |
1953 | otf_features = XCDR (otf_features); | |
1954 | for (val = Fcar (otf_features); ! NILP (val); val = Fcdr (val)) | |
1955 | { | |
1956 | CHECK_SYMBOL (Fcar (val)); | |
1957 | if (SBYTES (SYMBOL_NAME (XCAR (val))) > 4) | |
1958 | error ("Invalid OTF GSUB feature: %s", SYMBOL_NAME (XCAR (val))); | |
1959 | } | |
1960 | otf_features = XCDR (otf_features); | |
1961 | for (val = Fcar (otf_features); ! NILP (val); val = Fcdr (val)) | |
1962 | { | |
1963 | CHECK_SYMBOL (Fcar (val)); | |
1964 | if (SBYTES (SYMBOL_NAME (XCAR (val))) > 4) | |
1965 | error ("Invalid OTF GPOS feature: %s", SYMBOL_NAME (XCAR (val))); | |
1966 | } | |
1967 | } | |
1968 | ||
c2f5bfd6 KH |
1969 | #ifdef HAVE_LIBOTF |
1970 | #include <otf.h> | |
1971 | ||
733fd013 | 1972 | Lisp_Object otf_list; |
c2f5bfd6 KH |
1973 | |
1974 | static Lisp_Object | |
1975 | otf_tag_symbol (tag) | |
1976 | OTF_Tag tag; | |
1977 | { | |
1978 | char name[5]; | |
1979 | ||
1980 | OTF_tag_name (tag, name); | |
1981 | return Fintern (make_unibyte_string (name, 4), Qnil); | |
1982 | } | |
1983 | ||
1984 | static OTF * | |
35027d0c KH |
1985 | otf_open (file) |
1986 | Lisp_Object file; | |
c2f5bfd6 | 1987 | { |
35027d0c | 1988 | Lisp_Object val = Fassoc (file, otf_list); |
733fd013 KH |
1989 | OTF *otf; |
1990 | ||
1991 | if (! NILP (val)) | |
1992 | otf = XSAVE_VALUE (XCDR (val))->pointer; | |
1993 | else | |
c2f5bfd6 | 1994 | { |
35027d0c | 1995 | otf = STRINGP (file) ? OTF_open ((char *) SDATA (file)) : NULL; |
733fd013 | 1996 | val = make_save_value (otf, 0); |
35027d0c | 1997 | otf_list = Fcons (Fcons (file, val), otf_list); |
c2f5bfd6 | 1998 | } |
733fd013 | 1999 | return otf; |
c2f5bfd6 KH |
2000 | } |
2001 | ||
2002 | ||
2003 | /* Return a list describing which scripts/languages FONT supports by | |
2004 | which GSUB/GPOS features of OpenType tables. See the comment of | |
51c01100 | 2005 | (struct font_driver).otf_capability. */ |
c2f5bfd6 KH |
2006 | |
2007 | Lisp_Object | |
2008 | font_otf_capability (font) | |
2009 | struct font *font; | |
2010 | { | |
2011 | OTF *otf; | |
2012 | Lisp_Object capability = Fcons (Qnil, Qnil); | |
2013 | int i; | |
2014 | ||
35027d0c | 2015 | otf = otf_open (font->props[FONT_FILE_INDEX]); |
c2f5bfd6 KH |
2016 | if (! otf) |
2017 | return Qnil; | |
2018 | for (i = 0; i < 2; i++) | |
2019 | { | |
2020 | OTF_GSUB_GPOS *gsub_gpos; | |
2021 | Lisp_Object script_list = Qnil; | |
2022 | int j; | |
2023 | ||
2024 | if (OTF_get_features (otf, i == 0) < 0) | |
2025 | continue; | |
2026 | gsub_gpos = i == 0 ? otf->gsub : otf->gpos; | |
2027 | for (j = gsub_gpos->ScriptList.ScriptCount - 1; j >= 0; j--) | |
2028 | { | |
2029 | OTF_Script *script = gsub_gpos->ScriptList.Script + j; | |
2030 | Lisp_Object langsys_list = Qnil; | |
2031 | Lisp_Object script_tag = otf_tag_symbol (script->ScriptTag); | |
2032 | int k; | |
2033 | ||
2034 | for (k = script->LangSysCount; k >= 0; k--) | |
2035 | { | |
2036 | OTF_LangSys *langsys; | |
2037 | Lisp_Object feature_list = Qnil; | |
2038 | Lisp_Object langsys_tag; | |
2039 | int l; | |
2040 | ||
e80e09b4 | 2041 | if (k == script->LangSysCount) |
c2f5bfd6 KH |
2042 | { |
2043 | langsys = &script->DefaultLangSys; | |
2044 | langsys_tag = Qnil; | |
2045 | } | |
2046 | else | |
2047 | { | |
2048 | langsys = script->LangSys + k; | |
2049 | langsys_tag | |
2050 | = otf_tag_symbol (script->LangSysRecord[k].LangSysTag); | |
2051 | } | |
e80e09b4 | 2052 | for (l = langsys->FeatureCount - 1; l >= 0; l--) |
c2f5bfd6 KH |
2053 | { |
2054 | OTF_Feature *feature | |
2055 | = gsub_gpos->FeatureList.Feature + langsys->FeatureIndex[l]; | |
2056 | Lisp_Object feature_tag | |
2057 | = otf_tag_symbol (feature->FeatureTag); | |
2058 | ||
2059 | feature_list = Fcons (feature_tag, feature_list); | |
2060 | } | |
2061 | langsys_list = Fcons (Fcons (langsys_tag, feature_list), | |
2062 | langsys_list); | |
2063 | } | |
2064 | script_list = Fcons (Fcons (script_tag, langsys_list), | |
2065 | script_list); | |
2066 | } | |
2067 | ||
2068 | if (i == 0) | |
2069 | XSETCAR (capability, script_list); | |
2070 | else | |
2071 | XSETCDR (capability, script_list); | |
2072 | } | |
2073 | ||
2074 | return capability; | |
2075 | } | |
2076 | ||
733fd013 KH |
2077 | /* Parse OTF features in SPEC and write a proper features spec string |
2078 | in FEATURES for the call of OTF_drive_gsub/gpos (of libotf). It is | |
2079 | assured that the sufficient memory has already allocated for | |
2080 | FEATURES. */ | |
2081 | ||
e80e09b4 | 2082 | static void |
733fd013 | 2083 | generate_otf_features (spec, features) |
c2f5bfd6 | 2084 | Lisp_Object spec; |
733fd013 | 2085 | char *features; |
c2f5bfd6 KH |
2086 | { |
2087 | Lisp_Object val; | |
35027d0c | 2088 | char *p; |
c2f5bfd6 KH |
2089 | int asterisk; |
2090 | ||
733fd013 | 2091 | p = features; |
e80e09b4 | 2092 | *p = '\0'; |
c2f5bfd6 KH |
2093 | for (asterisk = 0; CONSP (spec); spec = XCDR (spec)) |
2094 | { | |
2095 | val = XCAR (spec); | |
e80e09b4 KH |
2096 | CHECK_SYMBOL (val); |
2097 | if (p > features) | |
733fd013 | 2098 | *p++ = ','; |
c2f5bfd6 KH |
2099 | if (SREF (SYMBOL_NAME (val), 0) == '*') |
2100 | { | |
2101 | asterisk = 1; | |
e80e09b4 | 2102 | *p++ = '*'; |
c2f5bfd6 KH |
2103 | } |
2104 | else if (! asterisk) | |
e80e09b4 KH |
2105 | { |
2106 | val = SYMBOL_NAME (val); | |
e80e09b4 KH |
2107 | p += sprintf (p, "%s", SDATA (val)); |
2108 | } | |
c2f5bfd6 | 2109 | else |
e80e09b4 KH |
2110 | { |
2111 | val = SYMBOL_NAME (val); | |
e80e09b4 KH |
2112 | p += sprintf (p, "~%s", SDATA (val)); |
2113 | } | |
c2f5bfd6 | 2114 | } |
e80e09b4 KH |
2115 | if (CONSP (spec)) |
2116 | error ("OTF spec too long"); | |
2117 | } | |
2118 | ||
733fd013 KH |
2119 | Lisp_Object |
2120 | font_otf_DeviceTable (device_table) | |
2121 | OTF_DeviceTable *device_table; | |
2122 | { | |
2123 | int len = device_table->StartSize - device_table->EndSize + 1; | |
2124 | ||
2125 | return Fcons (make_number (len), | |
2126 | make_unibyte_string (device_table->DeltaValue, len)); | |
2127 | } | |
2128 | ||
2129 | Lisp_Object | |
2130 | font_otf_ValueRecord (value_format, value_record) | |
2131 | int value_format; | |
2132 | OTF_ValueRecord *value_record; | |
2133 | { | |
2134 | Lisp_Object val = Fmake_vector (make_number (8), Qnil); | |
2135 | ||
2136 | if (value_format & OTF_XPlacement) | |
43c0454d | 2137 | ASET (val, 0, make_number (value_record->XPlacement)); |
733fd013 | 2138 | if (value_format & OTF_YPlacement) |
43c0454d | 2139 | ASET (val, 1, make_number (value_record->YPlacement)); |
733fd013 | 2140 | if (value_format & OTF_XAdvance) |
43c0454d | 2141 | ASET (val, 2, make_number (value_record->XAdvance)); |
733fd013 | 2142 | if (value_format & OTF_YAdvance) |
43c0454d | 2143 | ASET (val, 3, make_number (value_record->YAdvance)); |
733fd013 KH |
2144 | if (value_format & OTF_XPlaDevice) |
2145 | ASET (val, 4, font_otf_DeviceTable (&value_record->XPlaDevice)); | |
2146 | if (value_format & OTF_YPlaDevice) | |
2147 | ASET (val, 4, font_otf_DeviceTable (&value_record->YPlaDevice)); | |
2148 | if (value_format & OTF_XAdvDevice) | |
2149 | ASET (val, 4, font_otf_DeviceTable (&value_record->XAdvDevice)); | |
2150 | if (value_format & OTF_YAdvDevice) | |
2151 | ASET (val, 4, font_otf_DeviceTable (&value_record->YAdvDevice)); | |
2152 | return val; | |
2153 | } | |
2154 | ||
2155 | Lisp_Object | |
2156 | font_otf_Anchor (anchor) | |
2157 | OTF_Anchor *anchor; | |
2158 | { | |
2159 | Lisp_Object val; | |
2160 | ||
2161 | val = Fmake_vector (make_number (anchor->AnchorFormat + 1), Qnil); | |
2162 | ASET (val, 0, make_number (anchor->XCoordinate)); | |
2163 | ASET (val, 1, make_number (anchor->YCoordinate)); | |
2164 | if (anchor->AnchorFormat == 2) | |
2165 | ASET (val, 2, make_number (anchor->f.f1.AnchorPoint)); | |
2166 | else | |
2167 | { | |
2168 | ASET (val, 3, font_otf_DeviceTable (&anchor->f.f2.XDeviceTable)); | |
2169 | ASET (val, 4, font_otf_DeviceTable (&anchor->f.f2.YDeviceTable)); | |
2170 | } | |
2171 | return val; | |
2172 | } | |
c2f5bfd6 | 2173 | #endif /* HAVE_LIBOTF */ |
6a3dadd2 | 2174 | #endif /* 0 */ |
c2f5bfd6 | 2175 | |
c2f5bfd6 KH |
2176 | \f |
2177 | /* Font sorting */ | |
2178 | ||
4007dd1c | 2179 | static unsigned font_score P_ ((Lisp_Object, Lisp_Object *)); |
c2f5bfd6 KH |
2180 | static int font_compare P_ ((const void *, const void *)); |
2181 | static Lisp_Object font_sort_entites P_ ((Lisp_Object, Lisp_Object, | |
7181ea6a | 2182 | Lisp_Object, int)); |
c2f5bfd6 | 2183 | |
55e41770 KH |
2184 | /* Return a rescaling ratio of FONT_ENTITY. */ |
2185 | extern Lisp_Object Vface_font_rescale_alist; | |
2186 | ||
2187 | static double | |
2188 | font_rescale_ratio (font_entity) | |
2189 | Lisp_Object font_entity; | |
2190 | { | |
2191 | Lisp_Object tail, elt; | |
2192 | Lisp_Object name = Qnil; | |
2193 | ||
2194 | for (tail = Vface_font_rescale_alist; CONSP (tail); tail = XCDR (tail)) | |
2195 | { | |
2196 | elt = XCAR (tail); | |
2197 | if (FLOATP (XCDR (elt))) | |
2198 | { | |
2199 | if (STRINGP (XCAR (elt))) | |
2200 | { | |
2201 | if (NILP (name)) | |
2202 | name = Ffont_xlfd_name (font_entity, Qnil); | |
2203 | if (fast_string_match_ignore_case (XCAR (elt), name) >= 0) | |
2204 | return XFLOAT_DATA (XCDR (elt)); | |
2205 | } | |
2206 | else if (FONT_SPEC_P (XCAR (elt))) | |
2207 | { | |
2208 | if (font_match_p (XCAR (elt), font_entity)) | |
2209 | return XFLOAT_DATA (XCDR (elt)); | |
2210 | } | |
2211 | } | |
2212 | } | |
2213 | return 1.0; | |
2214 | } | |
2215 | ||
c2f5bfd6 KH |
2216 | /* We sort fonts by scoring each of them against a specified |
2217 | font-spec. The score value is 32 bit (`unsigned'), and the smaller | |
2218 | the value is, the closer the font is to the font-spec. | |
2219 | ||
4007dd1c KH |
2220 | The lowest 2 bits of the score is used for driver type. The font |
2221 | available by the most preferred font driver is 0. | |
35027d0c | 2222 | |
4007dd1c | 2223 | Each 7-bit in the higher 28 bits are used for numeric properties |
c2f5bfd6 KH |
2224 | WEIGHT, SLANT, WIDTH, and SIZE. */ |
2225 | ||
2226 | /* How many bits to shift to store the difference value of each font | |
35027d0c KH |
2227 | property in a score. Note that flots for FONT_TYPE_INDEX and |
2228 | FONT_REGISTRY_INDEX are not used. */ | |
c2f5bfd6 KH |
2229 | static int sort_shift_bits[FONT_SIZE_INDEX + 1]; |
2230 | ||
9331887d KH |
2231 | /* Score font-entity ENTITY against properties of font-spec SPEC_PROP. |
2232 | The return value indicates how different ENTITY is compared with | |
51c13510 | 2233 | SPEC_PROP. */ |
c2f5bfd6 KH |
2234 | |
2235 | static unsigned | |
4007dd1c | 2236 | font_score (entity, spec_prop) |
9331887d | 2237 | Lisp_Object entity, *spec_prop; |
c2f5bfd6 KH |
2238 | { |
2239 | unsigned score = 0; | |
2240 | int i; | |
c2f5bfd6 | 2241 | |
35027d0c KH |
2242 | /* Score three style numeric fields. Maximum difference is 127. */ |
2243 | for (i = FONT_WEIGHT_INDEX; i <= FONT_WIDTH_INDEX; i++) | |
2244 | if (! NILP (spec_prop[i]) && ! EQ (AREF (entity, i), spec_prop[i])) | |
2245 | { | |
2246 | int diff = (XINT (AREF (entity, i)) >> 8) - (XINT (spec_prop[i]) >> 8); | |
2247 | ||
2248 | if (diff < 0) | |
2249 | diff = - diff; | |
f4cc0153 KH |
2250 | if (diff > 0) |
2251 | score |= min (diff, 127) << sort_shift_bits[i]; | |
35027d0c KH |
2252 | } |
2253 | ||
2254 | /* Score the size. Maximum difference is 127. */ | |
2255 | i = FONT_SIZE_INDEX; | |
55e41770 KH |
2256 | if (! NILP (spec_prop[FONT_SIZE_INDEX]) |
2257 | && XINT (AREF (entity, FONT_SIZE_INDEX)) > 0) | |
35027d0c KH |
2258 | { |
2259 | /* We use the higher 6-bit for the actual size difference. The | |
2260 | lowest bit is set if the DPI is different. */ | |
55e41770 KH |
2261 | int diff; |
2262 | int pixel_size = XINT (spec_prop[FONT_SIZE_INDEX]); | |
35027d0c | 2263 | |
55e41770 KH |
2264 | if (CONSP (Vface_font_rescale_alist)) |
2265 | pixel_size *= font_rescale_ratio (entity); | |
2266 | diff = pixel_size - XINT (AREF (entity, FONT_SIZE_INDEX)); | |
35027d0c KH |
2267 | if (diff < 0) |
2268 | diff = - diff; | |
d0ab1ebe | 2269 | diff <<= 1; |
35027d0c KH |
2270 | if (! NILP (spec_prop[FONT_DPI_INDEX]) |
2271 | && ! EQ (spec_prop[FONT_DPI_INDEX], AREF (entity, FONT_DPI_INDEX))) | |
2272 | diff |= 1; | |
c0a6070d KH |
2273 | if (! NILP (spec_prop[FONT_AVGWIDTH_INDEX]) |
2274 | && ! EQ (spec_prop[FONT_AVGWIDTH_INDEX], AREF (entity, FONT_AVGWIDTH_INDEX))) | |
2275 | diff |= 1; | |
35027d0c | 2276 | score |= min (diff, 127) << sort_shift_bits[FONT_SIZE_INDEX]; |
c2f5bfd6 KH |
2277 | } |
2278 | ||
2279 | return score; | |
2280 | } | |
2281 | ||
2282 | ||
2283 | /* The comparison function for qsort. */ | |
2284 | ||
2285 | static int | |
2286 | font_compare (d1, d2) | |
2287 | const void *d1, *d2; | |
2288 | { | |
35027d0c | 2289 | return (*(unsigned *) d1 - *(unsigned *) d2); |
c2f5bfd6 KH |
2290 | } |
2291 | ||
2292 | ||
2293 | /* The structure for elements being sorted by qsort. */ | |
2294 | struct font_sort_data | |
2295 | { | |
2296 | unsigned score; | |
2297 | Lisp_Object entity; | |
2298 | }; | |
2299 | ||
2300 | ||
2301 | /* Sort font-entities in vector VEC by closeness to font-spec PREFER. | |
2302 | If PREFER specifies a point-size, calculate the corresponding | |
9331887d | 2303 | pixel-size from QCdpi property of PREFER or from the Y-resolution |
7181ea6a | 2304 | of FRAME before sorting. |
35027d0c | 2305 | |
c9477f01 KH |
2306 | If BEST-ONLY is nonzero, return the best matching entity (that |
2307 | supports the character BEST-ONLY if BEST-ONLY is positive, or any | |
2308 | if BEST-ONLY is negative). Otherwise, return the sorted VEC. | |
2309 | ||
2310 | This function does no optimization for the case that the length of | |
2311 | VEC is 1. The caller should avoid calling this in such a case. */ | |
c2f5bfd6 KH |
2312 | |
2313 | static Lisp_Object | |
7181ea6a KH |
2314 | font_sort_entites (vec, prefer, frame, best_only) |
2315 | Lisp_Object vec, prefer, frame; | |
35027d0c | 2316 | int best_only; |
c2f5bfd6 | 2317 | { |
9331887d | 2318 | Lisp_Object prefer_prop[FONT_SPEC_MAX]; |
c2f5bfd6 KH |
2319 | int len, i; |
2320 | struct font_sort_data *data; | |
35027d0c | 2321 | unsigned best_score; |
4007dd1c KH |
2322 | Lisp_Object best_entity, driver_type; |
2323 | int driver_order; | |
2324 | struct frame *f = XFRAME (frame); | |
2325 | struct font_driver_list *list; | |
c2f5bfd6 KH |
2326 | USE_SAFE_ALLOCA; |
2327 | ||
2328 | len = ASIZE (vec); | |
2641e213 | 2329 | for (i = FONT_WEIGHT_INDEX; i <= FONT_DPI_INDEX; i++) |
9331887d | 2330 | prefer_prop[i] = AREF (prefer, i); |
9331887d KH |
2331 | if (FLOATP (prefer_prop[FONT_SIZE_INDEX])) |
2332 | prefer_prop[FONT_SIZE_INDEX] | |
2333 | = make_number (font_pixel_size (XFRAME (frame), prefer)); | |
2334 | ||
c2f5bfd6 KH |
2335 | /* Scoring and sorting. */ |
2336 | SAFE_ALLOCA (data, struct font_sort_data *, (sizeof *data) * len); | |
4007dd1c KH |
2337 | /* We are sure that the length of VEC > 1. */ |
2338 | driver_type = AREF (AREF (vec, 0), FONT_TYPE_INDEX); | |
2339 | for (driver_order = 0, list = f->font_driver_list; list; | |
2340 | driver_order++, list = list->next) | |
2341 | if (EQ (driver_type, list->driver->type)) | |
2342 | break; | |
c9477f01 KH |
2343 | best_score = 0xFFFFFFFF; |
2344 | best_entity = Qnil; | |
c2f5bfd6 KH |
2345 | for (i = 0; i < len; i++) |
2346 | { | |
4007dd1c KH |
2347 | if (!EQ (driver_type, AREF (AREF (vec, i), FONT_TYPE_INDEX))) |
2348 | for (driver_order = 0, list = f->font_driver_list; list; | |
2349 | driver_order++, list = list->next) | |
2350 | if (EQ (driver_type, list->driver->type)) | |
2351 | break; | |
c2f5bfd6 | 2352 | data[i].entity = AREF (vec, i); |
c9477f01 KH |
2353 | data[i].score |
2354 | = (best_only <= 0 || font_has_char (f, data[i].entity, best_only) > 0 | |
2355 | ? font_score (data[i].entity, prefer_prop) | driver_order | |
2356 | : 0xFFFFFFFF); | |
35027d0c KH |
2357 | if (best_only && best_score > data[i].score) |
2358 | { | |
2359 | best_score = data[i].score; | |
2360 | best_entity = data[i].entity; | |
2361 | if (best_score == 0) | |
2362 | break; | |
2363 | } | |
c2f5bfd6 | 2364 | } |
7181ea6a | 2365 | if (! best_only) |
35027d0c KH |
2366 | { |
2367 | qsort (data, len, sizeof *data, font_compare); | |
2368 | for (i = 0; i < len; i++) | |
2369 | ASET (vec, i, data[i].entity); | |
2370 | } | |
2371 | else | |
2372 | vec = best_entity; | |
c2f5bfd6 KH |
2373 | SAFE_FREE (); |
2374 | ||
d0ab1ebe | 2375 | font_add_log ("sort-by", prefer, vec); |
c2f5bfd6 KH |
2376 | return vec; |
2377 | } | |
2378 | ||
2379 | \f | |
2380 | /* API of Font Service Layer. */ | |
2381 | ||
45eb10fb KH |
2382 | /* Reflect ORDER (see the variable font_sort_order in xfaces.c) to |
2383 | sort_shift_bits. Finternal_set_font_selection_order calls this | |
2384 | function with font_sort_order after setting up it. */ | |
2385 | ||
c2f5bfd6 KH |
2386 | void |
2387 | font_update_sort_order (order) | |
2388 | int *order; | |
2389 | { | |
35027d0c | 2390 | int i, shift_bits; |
c2f5bfd6 | 2391 | |
943b7eea | 2392 | for (i = 0, shift_bits = 23; i < 4; i++, shift_bits -= 7) |
c2f5bfd6 KH |
2393 | { |
2394 | int xlfd_idx = order[i]; | |
2395 | ||
2396 | if (xlfd_idx == XLFD_WEIGHT_INDEX) | |
2397 | sort_shift_bits[FONT_WEIGHT_INDEX] = shift_bits; | |
2398 | else if (xlfd_idx == XLFD_SLANT_INDEX) | |
2399 | sort_shift_bits[FONT_SLANT_INDEX] = shift_bits; | |
2400 | else if (xlfd_idx == XLFD_SWIDTH_INDEX) | |
2401 | sort_shift_bits[FONT_WIDTH_INDEX] = shift_bits; | |
2402 | else | |
2403 | sort_shift_bits[FONT_SIZE_INDEX] = shift_bits; | |
2404 | } | |
2405 | } | |
2406 | ||
51c13510 KH |
2407 | static int |
2408 | font_check_otf_features (script, langsys, features, table) | |
2409 | Lisp_Object script, langsys, features, table; | |
2410 | { | |
2411 | Lisp_Object val; | |
2412 | int negative; | |
2413 | ||
2414 | table = assq_no_quit (script, table); | |
2415 | if (NILP (table)) | |
2416 | return 0; | |
2417 | table = XCDR (table); | |
2418 | if (! NILP (langsys)) | |
2419 | { | |
2420 | table = assq_no_quit (langsys, table); | |
2421 | if (NILP (table)) | |
2422 | return 0; | |
2423 | } | |
2424 | else | |
2425 | { | |
2426 | val = assq_no_quit (Qnil, table); | |
2427 | if (NILP (val)) | |
2428 | table = XCAR (table); | |
2429 | else | |
2430 | table = val; | |
2431 | } | |
2432 | table = XCDR (table); | |
2433 | for (negative = 0; CONSP (features); features = XCDR (features)) | |
2434 | { | |
2435 | if (NILP (XCAR (features))) | |
c423ecca KH |
2436 | { |
2437 | negative = 1; | |
2438 | continue; | |
2439 | } | |
51c13510 KH |
2440 | if (NILP (Fmemq (XCAR (features), table)) != negative) |
2441 | return 0; | |
2442 | } | |
2443 | return 1; | |
2444 | } | |
2445 | ||
2446 | /* Check if OTF_CAPABILITY satisfies SPEC (otf-spec). */ | |
2447 | ||
2448 | static int | |
3cba9369 | 2449 | font_check_otf (Lisp_Object spec, Lisp_Object otf_capability) |
51c13510 KH |
2450 | { |
2451 | Lisp_Object script, langsys = Qnil, gsub = Qnil, gpos = Qnil; | |
2452 | ||
2453 | script = XCAR (spec); | |
2454 | spec = XCDR (spec); | |
2455 | if (! NILP (spec)) | |
2456 | { | |
2457 | langsys = XCAR (spec); | |
2458 | spec = XCDR (spec); | |
2459 | if (! NILP (spec)) | |
2460 | { | |
2461 | gsub = XCAR (spec); | |
2462 | spec = XCDR (spec); | |
2463 | if (! NILP (spec)) | |
2464 | gpos = XCAR (spec); | |
2465 | } | |
2466 | } | |
2467 | ||
2468 | if (! NILP (gsub) && ! font_check_otf_features (script, langsys, gsub, | |
2469 | XCAR (otf_capability))) | |
2470 | return 0; | |
2471 | if (! NILP (gpos) && ! font_check_otf_features (script, langsys, gpos, | |
2472 | XCDR (otf_capability))) | |
2473 | return 0; | |
2474 | return 1; | |
2475 | } | |
2476 | ||
45eb10fb | 2477 | |
51c13510 KH |
2478 | |
2479 | /* Check if FONT (font-entity or font-object) matches with the font | |
2480 | specification SPEC. */ | |
45eb10fb | 2481 | |
ef18374f | 2482 | int |
51c13510 KH |
2483 | font_match_p (spec, font) |
2484 | Lisp_Object spec, font; | |
ef18374f | 2485 | { |
51c13510 KH |
2486 | Lisp_Object prop[FONT_SPEC_MAX], *props; |
2487 | Lisp_Object extra, font_extra; | |
ef18374f KH |
2488 | int i; |
2489 | ||
51c13510 KH |
2490 | for (i = FONT_FOUNDRY_INDEX; i <= FONT_REGISTRY_INDEX; i++) |
2491 | if (! NILP (AREF (spec, i)) | |
2492 | && ! NILP (AREF (font, i)) | |
2493 | && ! EQ (AREF (spec, i), AREF (font, i))) | |
2494 | return 0; | |
2495 | props = XFONT_SPEC (spec)->props; | |
2496 | if (FLOATP (props[FONT_SIZE_INDEX])) | |
2497 | { | |
2498 | for (i = FONT_FOUNDRY_INDEX; i < FONT_SIZE_INDEX; i++) | |
2499 | prop[i] = AREF (spec, i); | |
2500 | prop[FONT_SIZE_INDEX] | |
2501 | = make_number (font_pixel_size (XFRAME (selected_frame), spec)); | |
2502 | props = prop; | |
2503 | } | |
2504 | ||
2505 | if (font_score (font, props) > 0) | |
2506 | return 0; | |
2507 | extra = AREF (spec, FONT_EXTRA_INDEX); | |
2508 | font_extra = AREF (font, FONT_EXTRA_INDEX); | |
2509 | for (; CONSP (extra); extra = XCDR (extra)) | |
35027d0c | 2510 | { |
51c13510 KH |
2511 | Lisp_Object key = XCAR (XCAR (extra)); |
2512 | Lisp_Object val = XCDR (XCAR (extra)), val2; | |
2513 | ||
2514 | if (EQ (key, QClang)) | |
2515 | { | |
2516 | val2 = assq_no_quit (key, font_extra); | |
2517 | if (NILP (val2)) | |
2518 | return 0; | |
2519 | val2 = XCDR (val2); | |
2520 | if (CONSP (val)) | |
2521 | { | |
2522 | if (! CONSP (val2)) | |
2523 | return 0; | |
2524 | while (CONSP (val)) | |
2525 | if (NILP (Fmemq (val, val2))) | |
2526 | return 0; | |
2527 | } | |
2528 | else | |
2529 | if (CONSP (val2) | |
2530 | ? NILP (Fmemq (val, XCDR (val2))) | |
2531 | : ! EQ (val, val2)) | |
2532 | return 0; | |
2533 | } | |
2534 | else if (EQ (key, QCscript)) | |
2535 | { | |
2536 | val2 = assq_no_quit (val, Vscript_representative_chars); | |
5bdd4dd2 KH |
2537 | if (CONSP (val2)) |
2538 | { | |
2539 | val2 = XCDR (val2); | |
2540 | if (CONSP (val2)) | |
2541 | { | |
2542 | /* All characters in the list must be supported. */ | |
2543 | for (; CONSP (val2); val2 = XCDR (val2)) | |
2544 | { | |
2545 | if (! NATNUMP (XCAR (val2))) | |
2546 | continue; | |
2547 | if (font_encode_char (font, XFASTINT (XCAR (val2))) | |
2548 | == FONT_INVALID_CODE) | |
2549 | return 0; | |
2550 | } | |
2551 | } | |
2552 | else if (VECTORP (val2)) | |
2553 | { | |
2554 | /* At most one character in the vector must be supported. */ | |
2555 | for (i = 0; i < ASIZE (val2); i++) | |
2556 | { | |
2557 | if (! NATNUMP (AREF (val2, i))) | |
2558 | continue; | |
2559 | if (font_encode_char (font, XFASTINT (AREF (val2, i))) | |
2560 | != FONT_INVALID_CODE) | |
f5485732 | 2561 | break; |
5bdd4dd2 KH |
2562 | } |
2563 | if (i == ASIZE (val2)) | |
2564 | return 0; | |
2565 | } | |
2566 | } | |
51c13510 KH |
2567 | } |
2568 | else if (EQ (key, QCotf)) | |
2569 | { | |
2570 | struct font *fontp; | |
2571 | ||
2572 | if (! FONT_OBJECT_P (font)) | |
2573 | return 0; | |
2574 | fontp = XFONT_OBJECT (font); | |
2575 | if (! fontp->driver->otf_capability) | |
2576 | return 0; | |
2577 | val2 = fontp->driver->otf_capability (fontp); | |
2578 | if (NILP (val2) || ! font_check_otf (val, val2)) | |
2579 | return 0; | |
2580 | } | |
35027d0c KH |
2581 | } |
2582 | ||
51c13510 | 2583 | return 1; |
ef18374f | 2584 | } |
ca4da08a | 2585 | \f |
819e81df | 2586 | |
ca4da08a KH |
2587 | /* Font cache |
2588 | ||
2589 | Each font backend has the callback function get_cache, and it | |
2590 | returns a cons cell of which cdr part can be freely used for | |
2591 | caching fonts. The cons cell may be shared by multiple frames | |
2592 | and/or multiple font drivers. So, we arrange the cdr part as this: | |
2593 | ||
2594 | ((DRIVER-TYPE NUM-FRAMES FONT-CACHE-DATA ...) ...) | |
2595 | ||
2596 | where DRIVER-TYPE is a symbol such as `x', `xft', etc., NUM-FRAMES | |
2597 | is a number frames sharing this cache, and FONT-CACHE-DATA is a | |
2598 | cons (FONT-SPEC FONT-ENTITY ...). */ | |
2599 | ||
2600 | static void font_prepare_cache P_ ((FRAME_PTR, struct font_driver *)); | |
2601 | static void font_finish_cache P_ ((FRAME_PTR, struct font_driver *)); | |
2602 | static Lisp_Object font_get_cache P_ ((FRAME_PTR, struct font_driver *)); | |
2603 | static void font_clear_cache P_ ((FRAME_PTR, Lisp_Object, | |
2604 | struct font_driver *)); | |
2605 | ||
2606 | static void | |
2607 | font_prepare_cache (f, driver) | |
2608 | FRAME_PTR f; | |
2609 | struct font_driver *driver; | |
2610 | { | |
2611 | Lisp_Object cache, val; | |
2612 | ||
2613 | cache = driver->get_cache (f); | |
2614 | val = XCDR (cache); | |
2615 | while (CONSP (val) && ! EQ (XCAR (XCAR (val)), driver->type)) | |
2616 | val = XCDR (val); | |
2617 | if (NILP (val)) | |
2618 | { | |
2619 | val = Fcons (driver->type, Fcons (make_number (1), Qnil)); | |
2620 | XSETCDR (cache, Fcons (val, XCDR (cache))); | |
2621 | } | |
2622 | else | |
2623 | { | |
2624 | val = XCDR (XCAR (val)); | |
2625 | XSETCAR (val, make_number (XINT (XCAR (val)) + 1)); | |
2626 | } | |
2627 | } | |
2628 | ||
43c0454d | 2629 | |
ca4da08a KH |
2630 | static void |
2631 | font_finish_cache (f, driver) | |
2632 | FRAME_PTR f; | |
2633 | struct font_driver *driver; | |
2634 | { | |
2635 | Lisp_Object cache, val, tmp; | |
2636 | ||
2637 | ||
2638 | cache = driver->get_cache (f); | |
2639 | val = XCDR (cache); | |
2640 | while (CONSP (val) && ! EQ (XCAR (XCAR (val)), driver->type)) | |
2641 | cache = val, val = XCDR (val); | |
d0ab1ebe | 2642 | font_assert (! NILP (val)); |
ca4da08a | 2643 | tmp = XCDR (XCAR (val)); |
43c0454d | 2644 | XSETCAR (tmp, make_number (XINT (XCAR (tmp)) - 1)); |
ca4da08a KH |
2645 | if (XINT (XCAR (tmp)) == 0) |
2646 | { | |
2647 | font_clear_cache (f, XCAR (val), driver); | |
2648 | XSETCDR (cache, XCDR (val)); | |
2649 | } | |
ca4da08a KH |
2650 | } |
2651 | ||
43c0454d | 2652 | |
ca4da08a KH |
2653 | static Lisp_Object |
2654 | font_get_cache (f, driver) | |
2655 | FRAME_PTR f; | |
2656 | struct font_driver *driver; | |
2657 | { | |
2658 | Lisp_Object val = driver->get_cache (f); | |
2659 | Lisp_Object type = driver->type; | |
2660 | ||
d0ab1ebe | 2661 | font_assert (CONSP (val)); |
ca4da08a | 2662 | for (val = XCDR (val); ! EQ (XCAR (XCAR (val)), type); val = XCDR (val)); |
d0ab1ebe | 2663 | font_assert (CONSP (val)); |
ca4da08a KH |
2664 | /* VAL = ((DRIVER-TYPE NUM-FRAMES FONT-CACHE-DATA ...) ...) */ |
2665 | val = XCDR (XCAR (val)); | |
2666 | return val; | |
2667 | } | |
2668 | ||
43c0454d KH |
2669 | static int num_fonts; |
2670 | ||
ca4da08a KH |
2671 | static void |
2672 | font_clear_cache (f, cache, driver) | |
2673 | FRAME_PTR f; | |
2674 | Lisp_Object cache; | |
2675 | struct font_driver *driver; | |
2676 | { | |
2677 | Lisp_Object tail, elt; | |
6136b72f | 2678 | Lisp_Object tail2, entity; |
51c01100 | 2679 | |
ca4da08a KH |
2680 | /* CACHE = (DRIVER-TYPE NUM-FRAMES FONT-CACHE-DATA ...) */ |
2681 | for (tail = XCDR (XCDR (cache)); CONSP (tail); tail = XCDR (tail)) | |
2682 | { | |
2683 | elt = XCAR (tail); | |
6136b72f CY |
2684 | /* elt should have the form (FONT-SPEC FONT-ENTITY ...) */ |
2685 | if (CONSP (elt) && FONT_SPEC_P (XCAR (elt))) | |
ca4da08a | 2686 | { |
6136b72f | 2687 | for (tail2 = XCDR (elt); CONSP (tail2); tail2 = XCDR (tail2)) |
ca4da08a | 2688 | { |
6136b72f | 2689 | entity = XCAR (tail2); |
ca4da08a | 2690 | |
6136b72f CY |
2691 | if (FONT_ENTITY_P (entity) |
2692 | && EQ (driver->type, AREF (entity, FONT_TYPE_INDEX))) | |
ca4da08a KH |
2693 | { |
2694 | Lisp_Object objlist = AREF (entity, FONT_OBJLIST_INDEX); | |
2695 | ||
2696 | for (; CONSP (objlist); objlist = XCDR (objlist)) | |
2697 | { | |
2698 | Lisp_Object val = XCAR (objlist); | |
35027d0c | 2699 | struct font *font = XFONT_OBJECT (val); |
ca4da08a | 2700 | |
5e634ec9 KH |
2701 | if (! NILP (AREF (val, FONT_TYPE_INDEX))) |
2702 | { | |
2703 | font_assert (font && driver == font->driver); | |
2704 | driver->close (f, font); | |
2705 | num_fonts--; | |
2706 | } | |
ca4da08a KH |
2707 | } |
2708 | if (driver->free_entity) | |
2709 | driver->free_entity (entity); | |
2710 | } | |
2711 | } | |
2712 | } | |
2713 | } | |
2714 | XSETCDR (cache, Qnil); | |
2715 | } | |
2716 | \f | |
2717 | ||
c2f5bfd6 KH |
2718 | static Lisp_Object scratch_font_spec, scratch_font_prefer; |
2719 | ||
35027d0c KH |
2720 | Lisp_Object |
2721 | font_delete_unmatched (list, spec, size) | |
2722 | Lisp_Object list, spec; | |
2723 | int size; | |
2724 | { | |
d0ab1ebe | 2725 | Lisp_Object entity, val; |
35027d0c | 2726 | enum font_property_index prop; |
45eb10fb | 2727 | |
d0ab1ebe | 2728 | for (val = Qnil; CONSP (list); list = XCDR (list)) |
35027d0c | 2729 | { |
d0ab1ebe | 2730 | entity = XCAR (list); |
35027d0c KH |
2731 | for (prop = FONT_WEIGHT_INDEX; prop < FONT_SIZE_INDEX; prop++) |
2732 | if (INTEGERP (AREF (spec, prop)) | |
2733 | && ((XINT (AREF (spec, prop)) >> 8) | |
2734 | != (XINT (AREF (entity, prop)) >> 8))) | |
2735 | prop = FONT_SPEC_MAX; | |
7181ea6a | 2736 | if (prop < FONT_SPEC_MAX |
35027d0c KH |
2737 | && size |
2738 | && XINT (AREF (entity, FONT_SIZE_INDEX)) > 0) | |
2739 | { | |
2740 | int diff = XINT (AREF (entity, FONT_SIZE_INDEX)) - size; | |
c2f5bfd6 | 2741 | |
35027d0c KH |
2742 | if (diff != 0 |
2743 | && (diff < 0 ? -diff > FONT_PIXEL_SIZE_QUANTUM | |
2744 | : diff > FONT_PIXEL_SIZE_QUANTUM)) | |
2745 | prop = FONT_SPEC_MAX; | |
2746 | } | |
7181ea6a KH |
2747 | if (prop < FONT_SPEC_MAX |
2748 | && INTEGERP (AREF (spec, FONT_DPI_INDEX)) | |
2749 | && INTEGERP (AREF (entity, FONT_DPI_INDEX)) | |
c576d6dc | 2750 | && XINT (AREF (entity, FONT_DPI_INDEX)) != 0 |
7181ea6a KH |
2751 | && ! EQ (AREF (spec, FONT_DPI_INDEX), AREF (entity, FONT_DPI_INDEX))) |
2752 | prop = FONT_SPEC_MAX; | |
2753 | if (prop < FONT_SPEC_MAX | |
2754 | && INTEGERP (AREF (spec, FONT_AVGWIDTH_INDEX)) | |
2755 | && INTEGERP (AREF (entity, FONT_AVGWIDTH_INDEX)) | |
c576d6dc | 2756 | && XINT (AREF (entity, FONT_AVGWIDTH_INDEX)) != 0 |
7181ea6a KH |
2757 | && ! EQ (AREF (spec, FONT_AVGWIDTH_INDEX), |
2758 | AREF (entity, FONT_AVGWIDTH_INDEX))) | |
2759 | prop = FONT_SPEC_MAX; | |
35027d0c | 2760 | if (prop < FONT_SPEC_MAX) |
d0ab1ebe | 2761 | val = Fcons (entity, val); |
35027d0c | 2762 | } |
7395a3b3 | 2763 | return Fnreverse (val); |
35027d0c KH |
2764 | } |
2765 | ||
2766 | ||
2767 | /* Return a vector of font-entities matching with SPEC on FRAME. */ | |
2768 | ||
2769 | Lisp_Object | |
c2f5bfd6 KH |
2770 | font_list_entities (frame, spec) |
2771 | Lisp_Object frame, spec; | |
2772 | { | |
2773 | FRAME_PTR f = XFRAME (frame); | |
2774 | struct font_driver_list *driver_list = f->font_driver_list; | |
4007dd1c | 2775 | Lisp_Object ftype, val; |
35027d0c KH |
2776 | Lisp_Object *vec; |
2777 | int size; | |
2778 | int need_filtering = 0; | |
c2f5bfd6 KH |
2779 | int i; |
2780 | ||
d0ab1ebe | 2781 | font_assert (FONT_SPEC_P (spec)); |
c2f5bfd6 | 2782 | |
35027d0c KH |
2783 | if (INTEGERP (AREF (spec, FONT_SIZE_INDEX))) |
2784 | size = XINT (AREF (spec, FONT_SIZE_INDEX)); | |
2785 | else if (FLOATP (AREF (spec, FONT_SIZE_INDEX))) | |
2786 | size = font_pixel_size (f, spec); | |
2787 | else | |
2788 | size = 0; | |
2789 | ||
c2f5bfd6 | 2790 | ftype = AREF (spec, FONT_TYPE_INDEX); |
4007dd1c | 2791 | for (i = FONT_FOUNDRY_INDEX; i <= FONT_REGISTRY_INDEX; i++) |
35027d0c | 2792 | ASET (scratch_font_spec, i, AREF (spec, i)); |
4007dd1c | 2793 | for (i = FONT_WEIGHT_INDEX; i < FONT_EXTRA_INDEX; i++) |
35027d0c KH |
2794 | { |
2795 | ASET (scratch_font_spec, i, Qnil); | |
2796 | if (! NILP (AREF (spec, i))) | |
2797 | need_filtering = 1; | |
4007dd1c KH |
2798 | if (i == FONT_DPI_INDEX) |
2799 | /* Skip FONT_SPACING_INDEX */ | |
2800 | i++; | |
35027d0c | 2801 | } |
aa50ca2f | 2802 | ASET (scratch_font_spec, FONT_SPACING_INDEX, AREF (spec, FONT_SPACING_INDEX)); |
35027d0c KH |
2803 | ASET (scratch_font_spec, FONT_EXTRA_INDEX, AREF (spec, FONT_EXTRA_INDEX)); |
2804 | ||
4007dd1c | 2805 | vec = alloca (sizeof (Lisp_Object) * num_font_drivers); |
35027d0c KH |
2806 | if (! vec) |
2807 | return null_vector; | |
51c01100 | 2808 | |
c2f5bfd6 | 2809 | for (i = 0; driver_list; driver_list = driver_list->next) |
417a1b10 KH |
2810 | if (driver_list->on |
2811 | && (NILP (ftype) || EQ (driver_list->driver->type, ftype))) | |
c2f5bfd6 | 2812 | { |
ca4da08a | 2813 | Lisp_Object cache = font_get_cache (f, driver_list->driver); |
c2f5bfd6 | 2814 | |
e4c93315 | 2815 | ASET (scratch_font_spec, FONT_TYPE_INDEX, driver_list->driver->type); |
4007dd1c KH |
2816 | val = assoc_no_quit (scratch_font_spec, XCDR (cache)); |
2817 | if (CONSP (val)) | |
2818 | val = XCDR (val); | |
2819 | else | |
c2f5bfd6 | 2820 | { |
4007dd1c | 2821 | Lisp_Object copy; |
35027d0c | 2822 | |
4007dd1c KH |
2823 | val = driver_list->driver->list (frame, scratch_font_spec); |
2824 | copy = Fcopy_font_spec (scratch_font_spec); | |
2825 | ASET (copy, FONT_TYPE_INDEX, driver_list->driver->type); | |
2826 | XSETCDR (cache, Fcons (Fcons (copy, val), XCDR (cache))); | |
c2f5bfd6 | 2827 | } |
4007dd1c KH |
2828 | if (! NILP (val) && need_filtering) |
2829 | val = font_delete_unmatched (val, spec, size); | |
2830 | if (! NILP (val)) | |
2831 | vec[i++] = val; | |
c2f5bfd6 | 2832 | } |
35027d0c | 2833 | |
d0ab1ebe KH |
2834 | val = (i > 0 ? Fvconcat (i, vec) : null_vector); |
2835 | font_add_log ("list", spec, val); | |
2836 | return (val); | |
c2f5bfd6 KH |
2837 | } |
2838 | ||
45eb10fb | 2839 | |
35027d0c KH |
2840 | /* Return a font entity matching with SPEC on FRAME. ATTRS, if non |
2841 | nil, is an array of face's attributes, which specifies preferred | |
2842 | font-related attributes. */ | |
45eb10fb | 2843 | |
e950d6f1 | 2844 | static Lisp_Object |
35027d0c KH |
2845 | font_matching_entity (f, attrs, spec) |
2846 | FRAME_PTR f; | |
2847 | Lisp_Object *attrs, spec; | |
e950d6f1 | 2848 | { |
e950d6f1 KH |
2849 | struct font_driver_list *driver_list = f->font_driver_list; |
2850 | Lisp_Object ftype, size, entity; | |
35027d0c | 2851 | Lisp_Object frame; |
819ab95f | 2852 | Lisp_Object work = Fcopy_font_spec (spec); |
e950d6f1 | 2853 | |
35027d0c | 2854 | XSETFRAME (frame, f); |
e950d6f1 KH |
2855 | ftype = AREF (spec, FONT_TYPE_INDEX); |
2856 | size = AREF (spec, FONT_SIZE_INDEX); | |
819ab95f | 2857 | |
8d0e382e AR |
2858 | if (FLOATP (size)) |
2859 | ASET (work, FONT_SIZE_INDEX, make_number (font_pixel_size (f, spec))); | |
819ab95f KH |
2860 | FONT_SET_STYLE (work, FONT_WEIGHT_INDEX, attrs[LFACE_WEIGHT_INDEX]); |
2861 | FONT_SET_STYLE (work, FONT_SLANT_INDEX, attrs[LFACE_SLANT_INDEX]); | |
2862 | FONT_SET_STYLE (work, FONT_WIDTH_INDEX, attrs[LFACE_SWIDTH_INDEX]); | |
2863 | ||
e950d6f1 KH |
2864 | entity = Qnil; |
2865 | for (; driver_list; driver_list = driver_list->next) | |
2866 | if (driver_list->on | |
2867 | && (NILP (ftype) || EQ (driver_list->driver->type, ftype))) | |
2868 | { | |
ca4da08a | 2869 | Lisp_Object cache = font_get_cache (f, driver_list->driver); |
7cee5d63 | 2870 | Lisp_Object copy; |
e950d6f1 | 2871 | |
819ab95f KH |
2872 | ASET (work, FONT_TYPE_INDEX, driver_list->driver->type); |
2873 | entity = assoc_no_quit (work, XCDR (cache)); | |
7cee5d63 | 2874 | if (CONSP (entity)) |
e950d6f1 KH |
2875 | entity = XCDR (entity); |
2876 | else | |
2877 | { | |
819ab95f KH |
2878 | entity = driver_list->driver->match (frame, work); |
2879 | copy = Fcopy_font_spec (work); | |
7cee5d63 KH |
2880 | ASET (copy, FONT_TYPE_INDEX, driver_list->driver->type); |
2881 | XSETCDR (cache, Fcons (Fcons (copy, entity), XCDR (cache))); | |
e950d6f1 KH |
2882 | } |
2883 | if (! NILP (entity)) | |
2884 | break; | |
2885 | } | |
819ab95f | 2886 | font_add_log ("match", work, entity); |
e950d6f1 KH |
2887 | return entity; |
2888 | } | |
2889 | ||
45eb10fb KH |
2890 | |
2891 | /* Open a font of ENTITY and PIXEL_SIZE on frame F, and return the | |
2892 | opened font object. */ | |
2893 | ||
c2f5bfd6 KH |
2894 | static Lisp_Object |
2895 | font_open_entity (f, entity, pixel_size) | |
2896 | FRAME_PTR f; | |
2897 | Lisp_Object entity; | |
2898 | int pixel_size; | |
2899 | { | |
2900 | struct font_driver_list *driver_list; | |
43c0454d | 2901 | Lisp_Object objlist, size, val, font_object; |
c2f5bfd6 | 2902 | struct font *font; |
d26424c5 | 2903 | int min_width, height; |
a35dd56b | 2904 | int scaled_pixel_size; |
c2f5bfd6 | 2905 | |
d0ab1ebe | 2906 | font_assert (FONT_ENTITY_P (entity)); |
c2f5bfd6 | 2907 | size = AREF (entity, FONT_SIZE_INDEX); |
c2f5bfd6 | 2908 | if (XINT (size) != 0) |
a35dd56b | 2909 | scaled_pixel_size = pixel_size = XINT (size); |
55e41770 | 2910 | else if (CONSP (Vface_font_rescale_alist)) |
a35dd56b | 2911 | scaled_pixel_size = pixel_size * font_rescale_ratio (entity); |
c2f5bfd6 KH |
2912 | |
2913 | for (objlist = AREF (entity, FONT_OBJLIST_INDEX); CONSP (objlist); | |
2914 | objlist = XCDR (objlist)) | |
5e634ec9 KH |
2915 | if (! NILP (AREF (XCAR (objlist), FONT_TYPE_INDEX)) |
2916 | && XFONT_OBJECT (XCAR (objlist))->pixel_size == pixel_size) | |
35027d0c KH |
2917 | return XCAR (objlist); |
2918 | ||
2919 | val = AREF (entity, FONT_TYPE_INDEX); | |
2920 | for (driver_list = f->font_driver_list; | |
2921 | driver_list && ! EQ (driver_list->driver->type, val); | |
2922 | driver_list = driver_list->next); | |
2923 | if (! driver_list) | |
2924 | return Qnil; | |
c2f5bfd6 | 2925 | |
a35dd56b KH |
2926 | font_object = driver_list->driver->open (f, entity, scaled_pixel_size); |
2927 | ASET (font_object, FONT_SIZE_INDEX, make_number (pixel_size)); | |
d0ab1ebe | 2928 | font_add_log ("open", entity, font_object); |
43c0454d | 2929 | if (NILP (font_object)) |
35027d0c KH |
2930 | return Qnil; |
2931 | ASET (entity, FONT_OBJLIST_INDEX, | |
2932 | Fcons (font_object, AREF (entity, FONT_OBJLIST_INDEX))); | |
5e634ec9 | 2933 | ASET (font_object, FONT_OBJLIST_INDEX, Qnil); |
35027d0c KH |
2934 | num_fonts++; |
2935 | ||
2936 | font = XFONT_OBJECT (font_object); | |
2937 | min_width = (font->min_width ? font->min_width | |
2938 | : font->average_width ? font->average_width | |
2939 | : font->space_width ? font->space_width | |
2940 | : 1); | |
d26424c5 | 2941 | height = (font->height ? font->height : 1); |
819e81df | 2942 | #ifdef HAVE_WINDOW_SYSTEM |
35027d0c KH |
2943 | FRAME_X_DISPLAY_INFO (f)->n_fonts++; |
2944 | if (FRAME_X_DISPLAY_INFO (f)->n_fonts == 1) | |
43c0454d | 2945 | { |
35027d0c | 2946 | FRAME_SMALLEST_CHAR_WIDTH (f) = min_width; |
d26424c5 | 2947 | FRAME_SMALLEST_FONT_HEIGHT (f) = height; |
35027d0c KH |
2948 | fonts_changed_p = 1; |
2949 | } | |
2950 | else | |
2951 | { | |
2952 | if (FRAME_SMALLEST_CHAR_WIDTH (f) > min_width) | |
2953 | FRAME_SMALLEST_CHAR_WIDTH (f) = min_width, fonts_changed_p = 1; | |
d26424c5 KH |
2954 | if (FRAME_SMALLEST_FONT_HEIGHT (f) > height) |
2955 | FRAME_SMALLEST_FONT_HEIGHT (f) = height, fonts_changed_p = 1; | |
43c0454d | 2956 | } |
819e81df | 2957 | #endif |
43c0454d KH |
2958 | |
2959 | return font_object; | |
c2f5bfd6 KH |
2960 | } |
2961 | ||
45eb10fb KH |
2962 | |
2963 | /* Close FONT_OBJECT that is opened on frame F. */ | |
2964 | ||
c2f5bfd6 KH |
2965 | void |
2966 | font_close_object (f, font_object) | |
2967 | FRAME_PTR f; | |
2968 | Lisp_Object font_object; | |
2969 | { | |
35027d0c | 2970 | struct font *font = XFONT_OBJECT (font_object); |
c2f5bfd6 | 2971 | |
5e634ec9 KH |
2972 | if (NILP (AREF (font_object, FONT_TYPE_INDEX))) |
2973 | /* Already closed. */ | |
2974 | return; | |
2975 | font_add_log ("close", font_object, Qnil); | |
2976 | font->driver->close (f, font); | |
819e81df | 2977 | #ifdef HAVE_WINDOW_SYSTEM |
5e634ec9 KH |
2978 | font_assert (FRAME_X_DISPLAY_INFO (f)->n_fonts); |
2979 | FRAME_X_DISPLAY_INFO (f)->n_fonts--; | |
819e81df | 2980 | #endif |
5e634ec9 | 2981 | num_fonts--; |
c2f5bfd6 KH |
2982 | } |
2983 | ||
45eb10fb | 2984 | |
1701724c KH |
2985 | /* Return 1 if FONT on F has a glyph for character C, 0 if not, -1 if |
2986 | FONT is a font-entity and it must be opened to check. */ | |
45eb10fb | 2987 | |
c2f5bfd6 | 2988 | int |
1b834a8d | 2989 | font_has_char (f, font, c) |
c2f5bfd6 | 2990 | FRAME_PTR f; |
1b834a8d | 2991 | Lisp_Object font; |
c2f5bfd6 KH |
2992 | int c; |
2993 | { | |
1b834a8d | 2994 | struct font *fontp; |
c2f5bfd6 | 2995 | |
1b834a8d KH |
2996 | if (FONT_ENTITY_P (font)) |
2997 | { | |
2998 | Lisp_Object type = AREF (font, FONT_TYPE_INDEX); | |
2999 | struct font_driver_list *driver_list; | |
3000 | ||
3001 | for (driver_list = f->font_driver_list; | |
3002 | driver_list && ! EQ (driver_list->driver->type, type); | |
3003 | driver_list = driver_list->next); | |
3004 | if (! driver_list) | |
3005 | return 0; | |
3006 | if (! driver_list->driver->has_char) | |
3007 | return -1; | |
3008 | return driver_list->driver->has_char (font, c); | |
3009 | } | |
3010 | ||
d0ab1ebe | 3011 | font_assert (FONT_OBJECT_P (font)); |
35027d0c | 3012 | fontp = XFONT_OBJECT (font); |
1b834a8d KH |
3013 | if (fontp->driver->has_char) |
3014 | { | |
35027d0c | 3015 | int result = fontp->driver->has_char (font, c); |
1b834a8d KH |
3016 | |
3017 | if (result >= 0) | |
3018 | return result; | |
3019 | } | |
3020 | return (fontp->driver->encode_char (fontp, c) != FONT_INVALID_CODE); | |
c2f5bfd6 KH |
3021 | } |
3022 | ||
45eb10fb KH |
3023 | |
3024 | /* Return the glyph ID of FONT_OBJECT for character C. */ | |
3025 | ||
c2f5bfd6 KH |
3026 | unsigned |
3027 | font_encode_char (font_object, c) | |
3028 | Lisp_Object font_object; | |
3029 | int c; | |
3030 | { | |
35027d0c | 3031 | struct font *font; |
c2f5bfd6 | 3032 | |
d0ab1ebe | 3033 | font_assert (FONT_OBJECT_P (font_object)); |
35027d0c | 3034 | font = XFONT_OBJECT (font_object); |
c2f5bfd6 KH |
3035 | return font->driver->encode_char (font, c); |
3036 | } | |
3037 | ||
45eb10fb KH |
3038 | |
3039 | /* Return the name of FONT_OBJECT. */ | |
3040 | ||
ef18374f | 3041 | Lisp_Object |
c2f5bfd6 KH |
3042 | font_get_name (font_object) |
3043 | Lisp_Object font_object; | |
3044 | { | |
d0ab1ebe | 3045 | font_assert (FONT_OBJECT_P (font_object)); |
35027d0c | 3046 | return AREF (font_object, FONT_NAME_INDEX); |
ef18374f KH |
3047 | } |
3048 | ||
45eb10fb KH |
3049 | |
3050 | /* Return the specification of FONT_OBJECT. */ | |
3051 | ||
ef18374f KH |
3052 | Lisp_Object |
3053 | font_get_spec (font_object) | |
3054 | Lisp_Object font_object; | |
3055 | { | |
35027d0c | 3056 | Lisp_Object spec = font_make_spec (); |
ef18374f KH |
3057 | int i; |
3058 | ||
3059 | for (i = 0; i < FONT_SIZE_INDEX; i++) | |
35027d0c KH |
3060 | ASET (spec, i, AREF (font_object, i)); |
3061 | ASET (spec, FONT_SIZE_INDEX, | |
3062 | make_number (XFONT_OBJECT (font_object)->pixel_size)); | |
ef18374f | 3063 | return spec; |
c2f5bfd6 KH |
3064 | } |
3065 | ||
05802645 CY |
3066 | |
3067 | /* Create a new font spec from FONT_NAME, and return it. If FONT_NAME | |
3068 | could not be parsed by font_parse_name, return Qnil. */ | |
3069 | ||
35027d0c KH |
3070 | Lisp_Object |
3071 | font_spec_from_name (font_name) | |
3072 | Lisp_Object font_name; | |
3073 | { | |
05802645 | 3074 | Lisp_Object spec = Ffont_spec (0, NULL); |
35027d0c | 3075 | |
05802645 CY |
3076 | CHECK_STRING (font_name); |
3077 | if (font_parse_name ((char *) SDATA (font_name), spec) == -1) | |
3078 | return Qnil; | |
3079 | font_put_extra (spec, QCname, font_name); | |
3080 | return spec; | |
35027d0c KH |
3081 | } |
3082 | ||
45eb10fb | 3083 | |
35027d0c KH |
3084 | void |
3085 | font_clear_prop (attrs, prop) | |
3086 | Lisp_Object *attrs; | |
3087 | enum font_property_index prop; | |
3088 | { | |
3089 | Lisp_Object font = attrs[LFACE_FONT_INDEX]; | |
45eb10fb | 3090 | |
35027d0c KH |
3091 | if (! FONTP (font)) |
3092 | return; | |
483670b5 KH |
3093 | if (! NILP (Ffont_get (font, QCname))) |
3094 | { | |
3095 | font = Fcopy_font_spec (font); | |
3096 | font_put_extra (font, QCname, Qnil); | |
3097 | } | |
3098 | ||
35027d0c | 3099 | if (NILP (AREF (font, prop)) |
e234927a CY |
3100 | && prop != FONT_FAMILY_INDEX |
3101 | && prop != FONT_FOUNDRY_INDEX | |
3102 | && prop != FONT_WIDTH_INDEX | |
4007dd1c | 3103 | && prop != FONT_SIZE_INDEX) |
35027d0c | 3104 | return; |
483670b5 KH |
3105 | if (EQ (font, attrs[LFACE_FONT_INDEX])) |
3106 | font = Fcopy_font_spec (font); | |
35027d0c | 3107 | ASET (font, prop, Qnil); |
4007dd1c | 3108 | if (prop == FONT_FAMILY_INDEX || prop == FONT_FOUNDRY_INDEX) |
35027d0c | 3109 | { |
4007dd1c | 3110 | if (prop == FONT_FAMILY_INDEX) |
962e8aa9 CY |
3111 | { |
3112 | ASET (font, FONT_FOUNDRY_INDEX, Qnil); | |
3113 | /* If we are setting the font family, we must also clear | |
3114 | FONT_WIDTH_INDEX to avoid rejecting families that lack | |
3115 | support for some widths. */ | |
3116 | ASET (font, FONT_WIDTH_INDEX, Qnil); | |
3117 | } | |
35027d0c | 3118 | ASET (font, FONT_ADSTYLE_INDEX, Qnil); |
4007dd1c | 3119 | ASET (font, FONT_REGISTRY_INDEX, Qnil); |
35027d0c KH |
3120 | ASET (font, FONT_SIZE_INDEX, Qnil); |
3121 | ASET (font, FONT_DPI_INDEX, Qnil); | |
3122 | ASET (font, FONT_SPACING_INDEX, Qnil); | |
3123 | ASET (font, FONT_AVGWIDTH_INDEX, Qnil); | |
3124 | } | |
3125 | else if (prop == FONT_SIZE_INDEX) | |
3126 | { | |
3127 | ASET (font, FONT_DPI_INDEX, Qnil); | |
3128 | ASET (font, FONT_SPACING_INDEX, Qnil); | |
3129 | ASET (font, FONT_AVGWIDTH_INDEX, Qnil); | |
3130 | } | |
e234927a CY |
3131 | else if (prop == FONT_WIDTH_INDEX) |
3132 | ASET (font, FONT_AVGWIDTH_INDEX, Qnil); | |
35027d0c KH |
3133 | attrs[LFACE_FONT_INDEX] = font; |
3134 | } | |
3135 | ||
3136 | void | |
3137 | font_update_lface (f, attrs) | |
3138 | FRAME_PTR f; | |
3139 | Lisp_Object *attrs; | |
c2f5bfd6 | 3140 | { |
d0ab1ebe | 3141 | Lisp_Object spec; |
35027d0c KH |
3142 | |
3143 | spec = attrs[LFACE_FONT_INDEX]; | |
3144 | if (! FONT_SPEC_P (spec)) | |
3145 | return; | |
3146 | ||
4007dd1c KH |
3147 | if (! NILP (AREF (spec, FONT_FOUNDRY_INDEX))) |
3148 | attrs[LFACE_FOUNDRY_INDEX] = SYMBOL_NAME (AREF (spec, FONT_FOUNDRY_INDEX)); | |
3149 | if (! NILP (AREF (spec, FONT_FAMILY_INDEX))) | |
3150 | attrs[LFACE_FAMILY_INDEX] = SYMBOL_NAME (AREF (spec, FONT_FAMILY_INDEX)); | |
35027d0c KH |
3151 | if (! NILP (AREF (spec, FONT_WEIGHT_INDEX))) |
3152 | attrs[LFACE_WEIGHT_INDEX] = FONT_WEIGHT_FOR_FACE (spec); | |
3153 | if (! NILP (AREF (spec, FONT_SLANT_INDEX))) | |
8510724d | 3154 | attrs[LFACE_SLANT_INDEX] = FONT_SLANT_FOR_FACE (spec); |
35027d0c KH |
3155 | if (! NILP (AREF (spec, FONT_WIDTH_INDEX))) |
3156 | attrs[LFACE_SWIDTH_INDEX] = FONT_WIDTH_FOR_FACE (spec); | |
3157 | if (! NILP (AREF (spec, FONT_SIZE_INDEX))) | |
3158 | { | |
3159 | int point; | |
3160 | ||
3161 | if (INTEGERP (AREF (spec, FONT_SIZE_INDEX))) | |
3162 | { | |
3163 | Lisp_Object val; | |
3164 | int dpi = f->resy; | |
3165 | ||
3166 | val = Ffont_get (spec, QCdpi); | |
3167 | if (! NILP (val)) | |
3168 | dpi = XINT (val); | |
3169 | point = PIXEL_TO_POINT (XINT (AREF (spec, FONT_SIZE_INDEX)) * 10, | |
3170 | dpi); | |
2cf4d521 | 3171 | attrs[LFACE_HEIGHT_INDEX] = make_number (point); |
35027d0c KH |
3172 | } |
3173 | else if (FLOATP (AREF (spec, FONT_SIZE_INDEX))) | |
2cf4d521 CY |
3174 | { |
3175 | point = XFLOAT_DATA (AREF (spec, FONT_SIZE_INDEX)) * 10; | |
3176 | attrs[LFACE_HEIGHT_INDEX] = make_number (point); | |
3177 | } | |
35027d0c | 3178 | } |
c2f5bfd6 KH |
3179 | } |
3180 | ||
45eb10fb | 3181 | |
988a7ddb KH |
3182 | /* Selecte a font from ENTITIES that supports C and matches best with |
3183 | ATTRS and PIXEL_SIZE. */ | |
3184 | ||
3185 | static Lisp_Object | |
3186 | font_select_entity (frame, entities, attrs, pixel_size, c) | |
3187 | Lisp_Object frame, entities, *attrs; | |
3188 | int pixel_size, c; | |
3189 | { | |
3190 | Lisp_Object font_entity; | |
3191 | Lisp_Object prefer; | |
3192 | Lisp_Object props[FONT_REGISTRY_INDEX + 1] ; | |
3193 | int result, i; | |
3194 | FRAME_PTR f = XFRAME (frame); | |
3195 | ||
3196 | if (ASIZE (entities) == 1) | |
3197 | { | |
3198 | font_entity = AREF (entities, 0); | |
3199 | if (c < 0 | |
3200 | || (result = font_has_char (f, font_entity, c)) > 0) | |
3201 | return font_entity; | |
3202 | return Qnil; | |
3203 | } | |
3204 | ||
3205 | /* Sort fonts by properties specified in ATTRS. */ | |
3206 | prefer = scratch_font_prefer; | |
3207 | ||
3208 | for (i = FONT_WEIGHT_INDEX; i <= FONT_SIZE_INDEX; i++) | |
3209 | ASET (prefer, i, Qnil); | |
3210 | if (FONTP (attrs[LFACE_FONT_INDEX])) | |
3211 | { | |
3212 | Lisp_Object face_font = attrs[LFACE_FONT_INDEX]; | |
3213 | ||
3214 | for (i = FONT_WEIGHT_INDEX; i <= FONT_SIZE_INDEX; i++) | |
3215 | ASET (prefer, i, AREF (face_font, i)); | |
3216 | } | |
3217 | if (NILP (AREF (prefer, FONT_WEIGHT_INDEX))) | |
3218 | FONT_SET_STYLE (prefer, FONT_WEIGHT_INDEX, attrs[LFACE_WEIGHT_INDEX]); | |
3219 | if (NILP (AREF (prefer, FONT_SLANT_INDEX))) | |
3220 | FONT_SET_STYLE (prefer, FONT_SLANT_INDEX, attrs[LFACE_SLANT_INDEX]); | |
3221 | if (NILP (AREF (prefer, FONT_WIDTH_INDEX))) | |
3222 | FONT_SET_STYLE (prefer, FONT_WIDTH_INDEX, attrs[LFACE_SWIDTH_INDEX]); | |
3223 | ASET (prefer, FONT_SIZE_INDEX, make_number (pixel_size)); | |
988a7ddb | 3224 | |
c9477f01 | 3225 | return font_sort_entites (entities, prefer, frame, c); |
988a7ddb KH |
3226 | } |
3227 | ||
35027d0c KH |
3228 | /* Return a font-entity satisfying SPEC and best matching with face's |
3229 | font related attributes in ATTRS. C, if not negative, is a | |
1701724c | 3230 | character that the entity must support. */ |
c2f5bfd6 KH |
3231 | |
3232 | Lisp_Object | |
35027d0c | 3233 | font_find_for_lface (f, attrs, spec, c) |
c2f5bfd6 | 3234 | FRAME_PTR f; |
35027d0c | 3235 | Lisp_Object *attrs; |
c2f5bfd6 | 3236 | Lisp_Object spec; |
1701724c | 3237 | int c; |
c2f5bfd6 | 3238 | { |
4007dd1c | 3239 | Lisp_Object work; |
35027d0c | 3240 | Lisp_Object frame, entities, val, props[FONT_REGISTRY_INDEX + 1] ; |
22459668 | 3241 | Lisp_Object size, foundry[3], *family, registry[3], adstyle[3]; |
1d1e1245 | 3242 | int pixel_size; |
22459668 | 3243 | int i, j, k, l, result; |
d0a47776 KH |
3244 | |
3245 | registry[0] = AREF (spec, FONT_REGISTRY_INDEX); | |
3246 | if (NILP (registry[0])) | |
3247 | { | |
edfda783 | 3248 | registry[0] = DEFAULT_ENCODING; |
d0a47776 KH |
3249 | registry[1] = Qascii_0; |
3250 | registry[2] = null_vector; | |
3251 | } | |
3252 | else | |
3253 | registry[1] = null_vector; | |
c2f5bfd6 | 3254 | |
4007dd1c | 3255 | if (c >= 0 && ! NILP (AREF (spec, FONT_REGISTRY_INDEX))) |
fe5ddfbc | 3256 | { |
35027d0c | 3257 | struct charset *encoding, *repertory; |
1701724c | 3258 | |
4007dd1c KH |
3259 | if (font_registry_charsets (AREF (spec, FONT_REGISTRY_INDEX), |
3260 | &encoding, &repertory) < 0) | |
35027d0c KH |
3261 | return Qnil; |
3262 | if (repertory) | |
1701724c | 3263 | { |
35027d0c | 3264 | if (ENCODE_CHAR (repertory, c) == CHARSET_INVALID_CODE (repertory)) |
1701724c | 3265 | return Qnil; |
35027d0c KH |
3266 | /* Any font of this registry support C. So, let's |
3267 | suppress the further checking. */ | |
3268 | c = -1; | |
1701724c | 3269 | } |
35027d0c KH |
3270 | else if (c > encoding->max_char) |
3271 | return Qnil; | |
c2f5bfd6 KH |
3272 | } |
3273 | ||
4007dd1c | 3274 | work = Fcopy_font_spec (spec); |
35027d0c KH |
3275 | XSETFRAME (frame, f); |
3276 | size = AREF (spec, FONT_SIZE_INDEX); | |
1d1e1245 KH |
3277 | pixel_size = font_pixel_size (f, spec); |
3278 | if (pixel_size == 0) | |
3279 | { | |
3280 | double pt = XINT (attrs[LFACE_HEIGHT_INDEX]); | |
3281 | ||
3282 | pixel_size = POINT_TO_PIXEL (pt / 10, f->resy); | |
3283 | } | |
4007dd1c KH |
3284 | ASET (work, FONT_SIZE_INDEX, Qnil); |
3285 | foundry[0] = AREF (work, FONT_FOUNDRY_INDEX); | |
3286 | if (! NILP (foundry[0])) | |
3287 | foundry[1] = null_vector; | |
3288 | else if (STRINGP (attrs[LFACE_FOUNDRY_INDEX])) | |
3289 | { | |
071132a9 KH |
3290 | val = attrs[LFACE_FOUNDRY_INDEX]; |
3291 | foundry[0] = font_intern_prop ((char *) SDATA (val), SBYTES (val), 1); | |
4007dd1c KH |
3292 | foundry[1] = Qnil; |
3293 | foundry[2] = null_vector; | |
3294 | } | |
3295 | else | |
3296 | foundry[0] = Qnil, foundry[1] = null_vector; | |
3297 | ||
22459668 KH |
3298 | adstyle[0] = AREF (work, FONT_ADSTYLE_INDEX); |
3299 | if (! NILP (adstyle[0])) | |
3300 | adstyle[1] = null_vector; | |
3301 | else if (FONTP (attrs[LFACE_FONT_INDEX])) | |
3302 | { | |
3303 | Lisp_Object face_font = attrs[LFACE_FONT_INDEX]; | |
3304 | ||
3305 | if (! NILP (AREF (face_font, FONT_ADSTYLE_INDEX))) | |
3306 | { | |
3307 | adstyle[0] = AREF (face_font, FONT_ADSTYLE_INDEX); | |
3308 | adstyle[1] = Qnil; | |
3309 | adstyle[2] = null_vector; | |
3310 | } | |
3311 | else | |
3312 | adstyle[0] = Qnil, adstyle[1] = null_vector; | |
3313 | } | |
3314 | else | |
3315 | adstyle[0] = Qnil, adstyle[1] = null_vector; | |
3316 | ||
3317 | ||
4007dd1c KH |
3318 | val = AREF (work, FONT_FAMILY_INDEX); |
3319 | if (NILP (val) && STRINGP (attrs[LFACE_FAMILY_INDEX])) | |
071132a9 KH |
3320 | { |
3321 | val = attrs[LFACE_FAMILY_INDEX]; | |
3322 | val = font_intern_prop ((char *) SDATA (val), SBYTES (val), 1); | |
3323 | } | |
4007dd1c KH |
3324 | if (NILP (val)) |
3325 | { | |
3326 | family = alloca ((sizeof family[0]) * 2); | |
3327 | family[0] = Qnil; | |
3328 | family[1] = null_vector; /* terminator. */ | |
3329 | } | |
3330 | else | |
3331 | { | |
3332 | Lisp_Object alters | |
819ab95f KH |
3333 | = Fassoc_string (val, Vface_alternative_font_family_alist, |
3334 | #ifndef HAVE_NS | |
3335 | Qt | |
3336 | #else | |
3337 | Qnil | |
3338 | #endif | |
3339 | ); | |
4007dd1c KH |
3340 | |
3341 | if (! NILP (alters)) | |
3342 | { | |
3343 | family = alloca ((sizeof family[0]) * (XINT (Flength (alters)) + 2)); | |
3344 | for (i = 0; CONSP (alters); i++, alters = XCDR (alters)) | |
3345 | family[i] = XCAR (alters); | |
3346 | if (NILP (AREF (spec, FONT_FAMILY_INDEX))) | |
3347 | family[i++] = Qnil; | |
3348 | family[i] = null_vector; | |
3349 | } | |
3350 | else | |
3351 | { | |
3352 | family = alloca ((sizeof family[0]) * 3); | |
3353 | i = 0; | |
3354 | family[i++] = val; | |
3355 | if (NILP (AREF (spec, FONT_FAMILY_INDEX))) | |
3356 | family[i++] = Qnil; | |
3357 | family[i] = null_vector; | |
3358 | } | |
3359 | } | |
3360 | ||
d0a47776 | 3361 | for (i = 0; SYMBOLP (family[i]); i++) |
4007dd1c | 3362 | { |
d0a47776 KH |
3363 | ASET (work, FONT_FAMILY_INDEX, family[i]); |
3364 | for (j = 0; SYMBOLP (foundry[j]); j++) | |
4007dd1c | 3365 | { |
d0a47776 KH |
3366 | ASET (work, FONT_FOUNDRY_INDEX, foundry[j]); |
3367 | for (k = 0; SYMBOLP (registry[k]); k++) | |
3368 | { | |
904a2e0e | 3369 | ASET (work, FONT_REGISTRY_INDEX, registry[k]); |
22459668 KH |
3370 | for (l = 0; SYMBOLP (adstyle[l]); l++) |
3371 | { | |
3372 | ASET (work, FONT_ADSTYLE_INDEX, adstyle[l]); | |
3373 | entities = font_list_entities (frame, work); | |
3374 | if (ASIZE (entities) > 0) | |
988a7ddb KH |
3375 | { |
3376 | val = font_select_entity (frame, entities, | |
3377 | attrs, pixel_size, c); | |
3378 | if (! NILP (val)) | |
3379 | return val; | |
3380 | } | |
22459668 | 3381 | } |
d0a47776 | 3382 | } |
4007dd1c | 3383 | } |
4007dd1c | 3384 | } |
d0a47776 | 3385 | return Qnil; |
1701724c | 3386 | } |
45eb10fb KH |
3387 | |
3388 | ||
c2f5bfd6 | 3389 | Lisp_Object |
35027d0c | 3390 | font_open_for_lface (f, entity, attrs, spec) |
c2f5bfd6 | 3391 | FRAME_PTR f; |
c2f5bfd6 | 3392 | Lisp_Object entity; |
35027d0c | 3393 | Lisp_Object *attrs; |
733fd013 | 3394 | Lisp_Object spec; |
c2f5bfd6 | 3395 | { |
9331887d | 3396 | int size; |
c2f5bfd6 | 3397 | |
4007dd1c KH |
3398 | if (INTEGERP (AREF (entity, FONT_SIZE_INDEX)) |
3399 | && XINT (AREF (entity, FONT_SIZE_INDEX)) > 0) | |
3400 | size = XINT (AREF (entity, FONT_SIZE_INDEX)); | |
3401 | else if (FONT_SPEC_P (spec) && ! NILP (AREF (spec, FONT_SIZE_INDEX))) | |
1d1e1245 | 3402 | size = font_pixel_size (f, spec); |
733fd013 KH |
3403 | else |
3404 | { | |
50b0cd29 CY |
3405 | double pt; |
3406 | if (INTEGERP (attrs[LFACE_HEIGHT_INDEX])) | |
3407 | pt = XINT (attrs[LFACE_HEIGHT_INDEX]); | |
3408 | else | |
3409 | { | |
3410 | struct face *def = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
3411 | Lisp_Object height = def->lface[LFACE_HEIGHT_INDEX]; | |
3412 | if (INTEGERP (height)) | |
3413 | pt = XINT (height); | |
3414 | else | |
3415 | abort(); /* We should never end up here. */ | |
3416 | } | |
733fd013 KH |
3417 | |
3418 | pt /= 10; | |
3419 | size = POINT_TO_PIXEL (pt, f->resy); | |
ed96cde8 AR |
3420 | #ifdef HAVE_NS |
3421 | if (size == 0) | |
3422 | { | |
3423 | Lisp_Object ffsize = get_frame_param(f, Qfontsize); | |
3424 | size = NUMBERP (ffsize) ? POINT_TO_PIXEL (XINT (ffsize), f->resy) : 0; | |
3425 | } | |
3426 | #endif | |
733fd013 | 3427 | } |
c2f5bfd6 KH |
3428 | return font_open_entity (f, entity, size); |
3429 | } | |
3430 | ||
45eb10fb | 3431 | |
35027d0c KH |
3432 | /* Find a font satisfying SPEC and best matching with face's |
3433 | attributes in ATTRS on FRAME, and return the opened | |
3434 | font-object. */ | |
45eb10fb | 3435 | |
35027d0c KH |
3436 | Lisp_Object |
3437 | font_load_for_lface (f, attrs, spec) | |
c2f5bfd6 | 3438 | FRAME_PTR f; |
35027d0c | 3439 | Lisp_Object *attrs, spec; |
c2f5bfd6 | 3440 | { |
35027d0c | 3441 | Lisp_Object entity; |
ef18374f | 3442 | |
908567ef | 3443 | entity = font_find_for_lface (f, attrs, spec, -1); |
35027d0c | 3444 | if (NILP (entity)) |
ef18374f | 3445 | { |
35027d0c KH |
3446 | /* No font is listed for SPEC, but each font-backend may have |
3447 | the different criteria about "font matching". So, try | |
3448 | it. */ | |
3449 | entity = font_matching_entity (f, attrs, spec); | |
3450 | if (NILP (entity)) | |
3451 | return Qnil; | |
c2f5bfd6 | 3452 | } |
35027d0c | 3453 | return font_open_for_lface (f, entity, attrs, spec); |
c2f5bfd6 KH |
3454 | } |
3455 | ||
45eb10fb KH |
3456 | |
3457 | /* Make FACE on frame F ready to use the font opened for FACE. */ | |
3458 | ||
c2f5bfd6 KH |
3459 | void |
3460 | font_prepare_for_face (f, face) | |
3461 | FRAME_PTR f; | |
3462 | struct face *face; | |
3463 | { | |
35027d0c KH |
3464 | if (face->font->driver->prepare_face) |
3465 | face->font->driver->prepare_face (f, face); | |
c2f5bfd6 KH |
3466 | } |
3467 | ||
45eb10fb KH |
3468 | |
3469 | /* Make FACE on frame F stop using the font opened for FACE. */ | |
3470 | ||
c2f5bfd6 KH |
3471 | void |
3472 | font_done_for_face (f, face) | |
3473 | FRAME_PTR f; | |
3474 | struct face *face; | |
3475 | { | |
35027d0c KH |
3476 | if (face->font->driver->done_face) |
3477 | face->font->driver->done_face (f, face); | |
c2f5bfd6 KH |
3478 | face->extra = NULL; |
3479 | } | |
3480 | ||
45eb10fb | 3481 | |
c50b7e98 KH |
3482 | /* Open a font matching with font-spec SPEC on frame F. If no proper |
3483 | font is found, return Qnil. */ | |
45eb10fb | 3484 | |
c2f5bfd6 | 3485 | Lisp_Object |
c50b7e98 | 3486 | font_open_by_spec (f, spec) |
c2f5bfd6 | 3487 | FRAME_PTR f; |
c50b7e98 | 3488 | Lisp_Object spec; |
c2f5bfd6 | 3489 | { |
c50b7e98 | 3490 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; |
a9262bb8 | 3491 | |
4007dd1c KH |
3492 | /* We set up the default font-related attributes of a face to prefer |
3493 | a moderate font. */ | |
3494 | attrs[LFACE_FAMILY_INDEX] = attrs[LFACE_FOUNDRY_INDEX] = Qnil; | |
3495 | attrs[LFACE_SWIDTH_INDEX] = attrs[LFACE_WEIGHT_INDEX] | |
3496 | = attrs[LFACE_SLANT_INDEX] = Qnormal; | |
ed96cde8 | 3497 | #ifndef HAVE_NS |
4007dd1c | 3498 | attrs[LFACE_HEIGHT_INDEX] = make_number (120); |
ed96cde8 AR |
3499 | #else |
3500 | attrs[LFACE_HEIGHT_INDEX] = make_number (0); | |
3501 | #endif | |
4007dd1c KH |
3502 | attrs[LFACE_FONT_INDEX] = Qnil; |
3503 | ||
3504 | return font_load_for_lface (f, attrs, spec); | |
c2f5bfd6 KH |
3505 | } |
3506 | ||
3507 | ||
c50b7e98 KH |
3508 | /* Open a font matching with NAME on frame F. If no proper font is |
3509 | found, return Qnil. */ | |
3510 | ||
3511 | Lisp_Object | |
3512 | font_open_by_name (f, name) | |
3513 | FRAME_PTR f; | |
3514 | char *name; | |
3515 | { | |
3516 | Lisp_Object args[2]; | |
3517 | Lisp_Object spec; | |
3518 | ||
3519 | args[0] = QCname; | |
3520 | args[1] = make_unibyte_string (name, strlen (name)); | |
3521 | spec = Ffont_spec (2, args); | |
3522 | return font_open_by_spec (f, spec); | |
3523 | } | |
3524 | ||
3525 | ||
c2f5bfd6 KH |
3526 | /* Register font-driver DRIVER. This function is used in two ways. |
3527 | ||
417a1b10 KH |
3528 | The first is with frame F non-NULL. In this case, make DRIVER |
3529 | available (but not yet activated) on F. All frame creaters | |
3530 | (e.g. Fx_create_frame) must call this function at least once with | |
3531 | an available font-driver. | |
c2f5bfd6 KH |
3532 | |
3533 | The second is with frame F NULL. In this case, DRIVER is globally | |
3534 | registered in the variable `font_driver_list'. All font-driver | |
3535 | implementations must call this function in its syms_of_XXXX | |
3536 | (e.g. syms_of_xfont). */ | |
3537 | ||
3538 | void | |
3539 | register_font_driver (driver, f) | |
3540 | struct font_driver *driver; | |
3541 | FRAME_PTR f; | |
3542 | { | |
3543 | struct font_driver_list *root = f ? f->font_driver_list : font_driver_list; | |
3544 | struct font_driver_list *prev, *list; | |
3545 | ||
3546 | if (f && ! driver->draw) | |
43a1d19b | 3547 | error ("Unusable font driver for a frame: %s", |
c2f5bfd6 KH |
3548 | SDATA (SYMBOL_NAME (driver->type))); |
3549 | ||
3550 | for (prev = NULL, list = root; list; prev = list, list = list->next) | |
cf23b845 | 3551 | if (EQ (list->driver->type, driver->type)) |
c2f5bfd6 KH |
3552 | error ("Duplicated font driver: %s", SDATA (SYMBOL_NAME (driver->type))); |
3553 | ||
c115043b | 3554 | list = xmalloc (sizeof (struct font_driver_list)); |
417a1b10 | 3555 | list->on = 0; |
c2f5bfd6 KH |
3556 | list->driver = driver; |
3557 | list->next = NULL; | |
3558 | if (prev) | |
3559 | prev->next = list; | |
3560 | else if (f) | |
3561 | f->font_driver_list = list; | |
3562 | else | |
3563 | font_driver_list = list; | |
72606e45 KH |
3564 | if (! f) |
3565 | num_font_drivers++; | |
c2f5bfd6 KH |
3566 | } |
3567 | ||
2ed98482 CY |
3568 | void |
3569 | free_font_driver_list (f) | |
3570 | FRAME_PTR f; | |
3571 | { | |
3572 | struct font_driver_list *list, *next; | |
3573 | ||
3574 | for (list = f->font_driver_list; list; list = next) | |
3575 | { | |
3576 | next = list->next; | |
3577 | xfree (list); | |
3578 | } | |
3579 | f->font_driver_list = NULL; | |
3580 | } | |
3581 | ||
45eb10fb | 3582 | |
f697fff0 | 3583 | /* Make the frame F use font backends listed in NEW_DRIVERS (list of |
ca4da08a KH |
3584 | symbols, e.g. xft, x). If NEW_DRIVERS is t, make F use all |
3585 | available font drivers. If NEW_DRIVERS is nil, finalize all drivers. | |
417a1b10 | 3586 | |
ca4da08a KH |
3587 | A caller must free all realized faces if any in advance. The |
3588 | return value is a list of font backends actually made used on | |
3589 | F. */ | |
e950d6f1 KH |
3590 | |
3591 | Lisp_Object | |
3592 | font_update_drivers (f, new_drivers) | |
417a1b10 KH |
3593 | FRAME_PTR f; |
3594 | Lisp_Object new_drivers; | |
417a1b10 KH |
3595 | { |
3596 | Lisp_Object active_drivers = Qnil; | |
4007dd1c | 3597 | struct font_driver *driver; |
417a1b10 KH |
3598 | struct font_driver_list *list; |
3599 | ||
4007dd1c KH |
3600 | /* At first, turn off non-requested drivers, and turn on requested |
3601 | drivers. */ | |
f697fff0 | 3602 | for (list = f->font_driver_list; list; list = list->next) |
4007dd1c KH |
3603 | { |
3604 | driver = list->driver; | |
3605 | if ((EQ (new_drivers, Qt) || ! NILP (Fmemq (driver->type, new_drivers))) | |
3606 | != list->on) | |
3607 | { | |
3608 | if (list->on) | |
3609 | { | |
3610 | if (driver->end_for_frame) | |
3611 | driver->end_for_frame (f); | |
3612 | font_finish_cache (f, driver); | |
3613 | list->on = 0; | |
3614 | } | |
3615 | else | |
3616 | { | |
3617 | if (! driver->start_for_frame | |
3618 | || driver->start_for_frame (f) == 0) | |
3619 | { | |
3620 | font_prepare_cache (f, driver); | |
3621 | list->on = 1; | |
3622 | } | |
3623 | } | |
3624 | } | |
3625 | } | |
3626 | ||
3627 | if (NILP (new_drivers)) | |
3628 | return Qnil; | |
3629 | ||
3630 | if (! EQ (new_drivers, Qt)) | |
3631 | { | |
3632 | /* Re-order the driver list according to new_drivers. */ | |
3306c6dc | 3633 | struct font_driver_list **list_table, **next; |
4007dd1c KH |
3634 | Lisp_Object tail; |
3635 | int i; | |
3636 | ||
3637 | list_table = alloca (sizeof list_table[0] * (num_font_drivers + 1)); | |
3638 | for (i = 0, tail = new_drivers; ! NILP (tail); tail = XCDR (tail)) | |
3639 | { | |
3640 | for (list = f->font_driver_list; list; list = list->next) | |
3641 | if (list->on && EQ (list->driver->type, XCAR (tail))) | |
3642 | break; | |
3643 | if (list) | |
3644 | list_table[i++] = list; | |
3645 | } | |
3646 | for (list = f->font_driver_list; list; list = list->next) | |
3647 | if (! list->on) | |
6136b72f | 3648 | list_table[i++] = list; |
4007dd1c KH |
3649 | list_table[i] = NULL; |
3650 | ||
3306c6dc | 3651 | next = &f->font_driver_list; |
4007dd1c KH |
3652 | for (i = 0; list_table[i]; i++) |
3653 | { | |
3306c6dc AS |
3654 | *next = list_table[i]; |
3655 | next = &(*next)->next; | |
4007dd1c | 3656 | } |
3306c6dc | 3657 | *next = NULL; |
4007dd1c | 3658 | } |
417a1b10 | 3659 | |
4007dd1c KH |
3660 | for (list = f->font_driver_list; list; list = list->next) |
3661 | if (list->on) | |
3662 | active_drivers = nconc2 (active_drivers, | |
3663 | Fcons (list->driver->type, Qnil)); | |
e950d6f1 | 3664 | return active_drivers; |
417a1b10 KH |
3665 | } |
3666 | ||
f697fff0 KH |
3667 | int |
3668 | font_put_frame_data (f, driver, data) | |
3669 | FRAME_PTR f; | |
3670 | struct font_driver *driver; | |
3671 | void *data; | |
3672 | { | |
3673 | struct font_data_list *list, *prev; | |
3674 | ||
3675 | for (prev = NULL, list = f->font_data_list; list; | |
3676 | prev = list, list = list->next) | |
3677 | if (list->driver == driver) | |
3678 | break; | |
3679 | if (! data) | |
3680 | { | |
3681 | if (list) | |
3682 | { | |
3683 | if (prev) | |
3684 | prev->next = list->next; | |
3685 | else | |
3686 | f->font_data_list = list->next; | |
973e7849 | 3687 | xfree (list); |
f697fff0 KH |
3688 | } |
3689 | return 0; | |
3690 | } | |
3691 | ||
3692 | if (! list) | |
3693 | { | |
c115043b | 3694 | list = xmalloc (sizeof (struct font_data_list)); |
f697fff0 KH |
3695 | list->driver = driver; |
3696 | list->next = f->font_data_list; | |
3697 | f->font_data_list = list; | |
3698 | } | |
3699 | list->data = data; | |
3700 | return 0; | |
3701 | } | |
3702 | ||
3703 | ||
3704 | void * | |
3705 | font_get_frame_data (f, driver) | |
3706 | FRAME_PTR f; | |
3707 | struct font_driver *driver; | |
3708 | { | |
3709 | struct font_data_list *list; | |
3710 | ||
3711 | for (list = f->font_data_list; list; list = list->next) | |
3712 | if (list->driver == driver) | |
3713 | break; | |
3714 | if (! list) | |
3715 | return NULL; | |
3716 | return list->data; | |
3717 | } | |
3718 | ||
417a1b10 | 3719 | |
45eb10fb | 3720 | /* Return the font used to draw character C by FACE at buffer position |
e3ee0340 KH |
3721 | POS in window W. If STRING is non-nil, it is a string containing C |
3722 | at index POS. If C is negative, get C from the current buffer or | |
3723 | STRING. */ | |
45eb10fb | 3724 | |
10d16101 | 3725 | Lisp_Object |
e3ee0340 | 3726 | font_at (c, pos, face, w, string) |
10d16101 KH |
3727 | int c; |
3728 | EMACS_INT pos; | |
3729 | struct face *face; | |
3730 | struct window *w; | |
e3ee0340 | 3731 | Lisp_Object string; |
10d16101 KH |
3732 | { |
3733 | FRAME_PTR f; | |
e3ee0340 | 3734 | int multibyte; |
35027d0c | 3735 | Lisp_Object font_object; |
e3ee0340 | 3736 | |
e500c47d KH |
3737 | multibyte = (NILP (string) |
3738 | ? ! NILP (current_buffer->enable_multibyte_characters) | |
3739 | : STRING_MULTIBYTE (string)); | |
e3ee0340 KH |
3740 | if (c < 0) |
3741 | { | |
3742 | if (NILP (string)) | |
3743 | { | |
e3ee0340 KH |
3744 | if (multibyte) |
3745 | { | |
3746 | EMACS_INT pos_byte = CHAR_TO_BYTE (pos); | |
3747 | ||
3748 | c = FETCH_CHAR (pos_byte); | |
3749 | } | |
3750 | else | |
3751 | c = FETCH_BYTE (pos); | |
3752 | } | |
3753 | else | |
3754 | { | |
3755 | unsigned char *str; | |
3756 | ||
3757 | multibyte = STRING_MULTIBYTE (string); | |
3758 | if (multibyte) | |
3759 | { | |
3760 | EMACS_INT pos_byte = string_char_to_byte (string, pos); | |
3761 | ||
3762 | str = SDATA (string) + pos_byte; | |
3763 | c = STRING_CHAR (str, 0); | |
3764 | } | |
3765 | else | |
3766 | c = SDATA (string)[pos]; | |
3767 | } | |
3768 | } | |
10d16101 KH |
3769 | |
3770 | f = XFRAME (w->frame); | |
1385a806 KH |
3771 | if (! FRAME_WINDOW_P (f)) |
3772 | return Qnil; | |
10d16101 KH |
3773 | if (! face) |
3774 | { | |
e3ee0340 | 3775 | int face_id; |
0f8b27ea | 3776 | EMACS_INT endptr; |
e3ee0340 KH |
3777 | |
3778 | if (STRINGP (string)) | |
3779 | face_id = face_at_string_position (w, string, pos, 0, -1, -1, &endptr, | |
10d16101 KH |
3780 | DEFAULT_FACE_ID, 0); |
3781 | else | |
e3ee0340 | 3782 | face_id = face_at_buffer_position (w, pos, -1, -1, &endptr, |
6970f632 | 3783 | pos + 100, 0, -1); |
10d16101 KH |
3784 | face = FACE_FROM_ID (f, face_id); |
3785 | } | |
e3ee0340 KH |
3786 | if (multibyte) |
3787 | { | |
3788 | int face_id = FACE_FOR_CHAR (f, face, c, pos, string); | |
3789 | face = FACE_FROM_ID (f, face_id); | |
3790 | } | |
35027d0c | 3791 | if (! face->font) |
10d16101 | 3792 | return Qnil; |
35027d0c | 3793 | |
35027d0c KH |
3794 | XSETFONT (font_object, face->font); |
3795 | return font_object; | |
3796 | } | |
3797 | ||
3798 | ||
071132a9 KH |
3799 | #ifdef HAVE_WINDOW_SYSTEM |
3800 | ||
3801 | /* Check how many characters after POS (at most to *LIMIT) can be | |
3802 | displayed by the same font on the window W. FACE, if non-NULL, is | |
3803 | the face selected for the character at POS. If STRING is not nil, | |
3804 | it is the string to check instead of the current buffer. In that | |
3805 | case, FACE must be not NULL. | |
027a33c0 | 3806 | |
071132a9 KH |
3807 | The return value is the font-object for the character at POS. |
3808 | *LIMIT is set to the position where that font can't be used. | |
35027d0c | 3809 | |
071132a9 KH |
3810 | It is assured that the current buffer (or STRING) is multibyte. */ |
3811 | ||
3812 | Lisp_Object | |
3813 | font_range (pos, limit, w, face, string) | |
3814 | EMACS_INT pos, *limit; | |
3815 | struct window *w; | |
35027d0c | 3816 | struct face *face; |
35027d0c KH |
3817 | Lisp_Object string; |
3818 | { | |
071132a9 | 3819 | EMACS_INT pos_byte, ignore, start, start_byte; |
35027d0c | 3820 | int c; |
071132a9 | 3821 | Lisp_Object font_object = Qnil; |
35027d0c KH |
3822 | |
3823 | if (NILP (string)) | |
3824 | { | |
35027d0c | 3825 | pos_byte = CHAR_TO_BYTE (pos); |
071132a9 KH |
3826 | if (! face) |
3827 | { | |
3828 | int face_id; | |
3829 | ||
6970f632 CY |
3830 | face_id = face_at_buffer_position (w, pos, 0, 0, &ignore, |
3831 | *limit, 0, -1); | |
071132a9 KH |
3832 | face = FACE_FROM_ID (XFRAME (w->frame), face_id); |
3833 | } | |
35027d0c KH |
3834 | } |
3835 | else | |
3836 | { | |
071132a9 | 3837 | font_assert (face); |
35027d0c KH |
3838 | pos_byte = string_char_to_byte (string, pos); |
3839 | } | |
3840 | ||
071132a9 KH |
3841 | start = pos, start_byte = pos_byte; |
3842 | while (pos < *limit) | |
35027d0c | 3843 | { |
071132a9 | 3844 | Lisp_Object category; |
35027d0c KH |
3845 | |
3846 | if (NILP (string)) | |
3847 | FETCH_CHAR_ADVANCE_NO_CHECK (c, pos, pos_byte); | |
3848 | else | |
3849 | FETCH_STRING_CHAR_ADVANCE_NO_CHECK (c, string, pos, pos_byte); | |
071132a9 | 3850 | if (NILP (font_object)) |
35027d0c | 3851 | { |
071132a9 KH |
3852 | font_object = font_for_char (face, c, pos - 1, string); |
3853 | if (NILP (font_object)) | |
3854 | return Qnil; | |
35027d0c KH |
3855 | continue; |
3856 | } | |
071132a9 KH |
3857 | |
3858 | category = CHAR_TABLE_REF (Vunicode_category_table, c); | |
3859 | if (! EQ (category, QCf) | |
78a2f9cd | 3860 | && ! CHAR_VARIATION_SELECTOR_P (c) |
071132a9 | 3861 | && font_encode_char (font_object, c) == FONT_INVALID_CODE) |
35027d0c | 3862 | { |
071132a9 KH |
3863 | Lisp_Object f = font_for_char (face, c, pos - 1, string); |
3864 | EMACS_INT i, i_byte; | |
3865 | ||
3866 | ||
3867 | if (NILP (f)) | |
3868 | { | |
3869 | *limit = pos - 1; | |
3870 | return font_object; | |
3871 | } | |
3872 | i = start, i_byte = start_byte; | |
3873 | while (i < pos - 1) | |
3874 | { | |
3875 | ||
3876 | if (NILP (string)) | |
3877 | FETCH_CHAR_ADVANCE_NO_CHECK (c, i, i_byte); | |
3878 | else | |
3879 | FETCH_STRING_CHAR_ADVANCE_NO_CHECK (c, string, i, i_byte); | |
3880 | category = CHAR_TABLE_REF (Vunicode_category_table, c); | |
3881 | if (! EQ (category, QCf) | |
78a2f9cd | 3882 | && ! CHAR_VARIATION_SELECTOR_P (c) |
071132a9 KH |
3883 | && font_encode_char (f, c) == FONT_INVALID_CODE) |
3884 | { | |
3885 | *limit = pos - 1; | |
3886 | return font_object; | |
3887 | } | |
3888 | } | |
3889 | font_object = f; | |
35027d0c KH |
3890 | } |
3891 | } | |
071132a9 | 3892 | return font_object; |
10d16101 | 3893 | } |
071132a9 | 3894 | #endif |
10d16101 | 3895 | |
c2f5bfd6 KH |
3896 | \f |
3897 | /* Lisp API */ | |
3898 | ||
35027d0c | 3899 | DEFUN ("fontp", Ffontp, Sfontp, 1, 2, 0, |
6c8ec042 | 3900 | doc: /* Return t if OBJECT is a font-spec, font-entity, or font-object. |
35027d0c KH |
3901 | Return nil otherwise. |
3902 | Optional 2nd argument EXTRA-TYPE, if non-nil, specifies to check | |
027a33c0 | 3903 | which kind of font it is. It must be one of `font-spec', `font-entity', |
35027d0c KH |
3904 | `font-object'. */) |
3905 | (object, extra_type) | |
3906 | Lisp_Object object, extra_type; | |
c2f5bfd6 | 3907 | { |
35027d0c KH |
3908 | if (NILP (extra_type)) |
3909 | return (FONTP (object) ? Qt : Qnil); | |
3910 | if (EQ (extra_type, Qfont_spec)) | |
3911 | return (FONT_SPEC_P (object) ? Qt : Qnil); | |
3912 | if (EQ (extra_type, Qfont_entity)) | |
3913 | return (FONT_ENTITY_P (object) ? Qt : Qnil); | |
3914 | if (EQ (extra_type, Qfont_object)) | |
3915 | return (FONT_OBJECT_P (object) ? Qt : Qnil); | |
3916 | wrong_type_argument (intern ("font-extra-type"), extra_type); | |
c2f5bfd6 KH |
3917 | } |
3918 | ||
3919 | DEFUN ("font-spec", Ffont_spec, Sfont_spec, 0, MANY, 0, | |
45eb10fb KH |
3920 | doc: /* Return a newly created font-spec with arguments as properties. |
3921 | ||
3922 | ARGS must come in pairs KEY VALUE of font properties. KEY must be a | |
3923 | valid font property name listed below: | |
3924 | ||
3925 | `:family', `:weight', `:slant', `:width' | |
3926 | ||
3927 | They are the same as face attributes of the same name. See | |
51c01100 | 3928 | `set-face-attribute'. |
45eb10fb KH |
3929 | |
3930 | `:foundry' | |
3931 | ||
3932 | VALUE must be a string or a symbol specifying the font foundry, e.g. ``misc''. | |
3933 | ||
3934 | `:adstyle' | |
3935 | ||
3936 | VALUE must be a string or a symbol specifying the additional | |
35027d0c | 3937 | typographic style information of a font, e.g. ``sans''. |
45eb10fb KH |
3938 | |
3939 | `:registry' | |
3940 | ||
3941 | VALUE must be a string or a symbol specifying the charset registry and | |
3942 | encoding of a font, e.g. ``iso8859-1''. | |
3943 | ||
3944 | `:size' | |
3945 | ||
3946 | VALUE must be a non-negative integer or a floating point number | |
c423ecca KH |
3947 | specifying the font size. It specifies the font size in pixels (if |
3948 | VALUE is an integer), or in points (if VALUE is a float). | |
2babb359 KH |
3949 | |
3950 | `:name' | |
3951 | ||
7a18a178 | 3952 | VALUE must be a string of XLFD-style or fontconfig-style font name. |
5bdd4dd2 KH |
3953 | |
3954 | `:script' | |
3955 | ||
3956 | VALUE must be a symbol representing a script that the font must | |
209f39ac KH |
3957 | support. It may be a symbol representing a subgroup of a script |
3958 | listed in the variable `script-representative-chars'. | |
c423ecca KH |
3959 | |
3960 | `:lang' | |
3961 | ||
3962 | VALUE must be a symbol of two-letter ISO-639 language names, | |
3963 | e.g. `ja'. | |
3964 | ||
3965 | `:otf' | |
3966 | ||
3967 | VALUE must be a list (SCRIPT-TAG LANGSYS-TAG GSUB [ GPOS ]) to specify | |
3968 | required OpenType features. | |
3969 | ||
3970 | SCRIPT-TAG: OpenType script tag symbol (e.g. `deva'). | |
3971 | LANGSYS-TAG: OpenType language system tag symbol, | |
3972 | or nil for the default language system. | |
3973 | GSUB: List of OpenType GSUB feature tag symbols, or nil if none required. | |
3974 | GPOS: List of OpenType GPOS feature tag symbols, or nil if none required. | |
3975 | ||
3976 | GSUB and GPOS may contain `nil' element. In such a case, the font | |
3977 | must not have any of the remaining elements. | |
3978 | ||
3979 | For instance, if the VALUE is `(thai nil nil (mark))', the font must | |
22f79966 | 3980 | be an OpenType font, and whose GPOS table of `thai' script's default |
c423ecca KH |
3981 | language system must contain `mark' feature. |
3982 | ||
ba3de0e8 | 3983 | usage: (font-spec ARGS...) */) |
c2f5bfd6 KH |
3984 | (nargs, args) |
3985 | int nargs; | |
3986 | Lisp_Object *args; | |
3987 | { | |
35027d0c | 3988 | Lisp_Object spec = font_make_spec (); |
c2f5bfd6 KH |
3989 | int i; |
3990 | ||
3991 | for (i = 0; i < nargs; i += 2) | |
3992 | { | |
c2f5bfd6 KH |
3993 | Lisp_Object key = args[i], val = args[i + 1]; |
3994 | ||
35027d0c KH |
3995 | if (EQ (key, QCname)) |
3996 | { | |
3997 | CHECK_STRING (val); | |
3998 | font_parse_name ((char *) SDATA (val), spec); | |
3999 | font_put_extra (spec, key, val); | |
4000 | } | |
c2f5bfd6 | 4001 | else |
4485a28e | 4002 | { |
35027d0c KH |
4003 | int idx = get_font_prop_index (key); |
4004 | ||
4005 | if (idx >= 0) | |
ec6fe57c | 4006 | { |
35027d0c KH |
4007 | val = font_prop_validate (idx, Qnil, val); |
4008 | if (idx < FONT_EXTRA_INDEX) | |
4009 | ASET (spec, idx, val); | |
4010 | else | |
4011 | font_put_extra (spec, key, val); | |
ec6fe57c | 4012 | } |
35027d0c KH |
4013 | else |
4014 | font_put_extra (spec, key, font_prop_validate (0, key, val)); | |
4485a28e | 4015 | } |
e950d6f1 | 4016 | } |
c2f5bfd6 KH |
4017 | return spec; |
4018 | } | |
4019 | ||
35027d0c KH |
4020 | DEFUN ("copy-font-spec", Fcopy_font_spec, Scopy_font_spec, 1, 1, 0, |
4021 | doc: /* Return a copy of FONT as a font-spec. */) | |
4022 | (font) | |
4023 | Lisp_Object font; | |
4024 | { | |
d26424c5 | 4025 | Lisp_Object new_spec, tail, prev, extra; |
35027d0c KH |
4026 | int i; |
4027 | ||
4028 | CHECK_FONT (font); | |
4029 | new_spec = font_make_spec (); | |
4030 | for (i = 1; i < FONT_EXTRA_INDEX; i++) | |
4031 | ASET (new_spec, i, AREF (font, i)); | |
d26424c5 KH |
4032 | extra = Fcopy_sequence (AREF (font, FONT_EXTRA_INDEX)); |
4033 | /* We must remove :font-entity property. */ | |
4034 | for (prev = Qnil, tail = extra; CONSP (tail); prev = tail, tail = XCDR (tail)) | |
4035 | if (EQ (XCAR (XCAR (tail)), QCfont_entity)) | |
4036 | { | |
4037 | if (NILP (prev)) | |
4038 | extra = XCDR (extra); | |
4039 | else | |
4040 | XSETCDR (prev, XCDR (tail)); | |
4041 | break; | |
4042 | } | |
35027d0c KH |
4043 | ASET (new_spec, FONT_EXTRA_INDEX, extra); |
4044 | return new_spec; | |
4045 | } | |
4046 | ||
4047 | DEFUN ("merge-font-spec", Fmerge_font_spec, Smerge_font_spec, 2, 2, 0, | |
4048 | doc: /* Merge font-specs FROM and TO, and return a new font-spec. | |
4049 | Every specified properties in FROM override the corresponding | |
4050 | properties in TO. */) | |
4051 | (from, to) | |
4052 | Lisp_Object from, to; | |
4053 | { | |
4054 | Lisp_Object extra, tail; | |
4055 | int i; | |
4056 | ||
4057 | CHECK_FONT (from); | |
4058 | CHECK_FONT (to); | |
4059 | to = Fcopy_font_spec (to); | |
4060 | for (i = 0; i < FONT_EXTRA_INDEX; i++) | |
4061 | ASET (to, i, AREF (from, i)); | |
4062 | extra = AREF (to, FONT_EXTRA_INDEX); | |
4063 | for (tail = AREF (from, FONT_EXTRA_INDEX); CONSP (tail); tail = XCDR (tail)) | |
4064 | if (! EQ (XCAR (XCAR (tail)), Qfont_entity)) | |
4065 | { | |
4066 | Lisp_Object slot = assq_no_quit (XCAR (XCAR (tail)), extra); | |
4067 | ||
4068 | if (! NILP (slot)) | |
4069 | XSETCDR (slot, XCDR (XCAR (tail))); | |
4070 | else | |
4071 | extra = Fcons (Fcons (XCAR (XCAR (tail)), XCDR (XCAR (tail))), extra); | |
4072 | } | |
4073 | ASET (to, FONT_EXTRA_INDEX, extra); | |
4074 | return to; | |
4075 | } | |
c2f5bfd6 KH |
4076 | |
4077 | DEFUN ("font-get", Ffont_get, Sfont_get, 2, 2, 0, | |
45eb10fb | 4078 | doc: /* Return the value of FONT's property KEY. |
5bdd4dd2 KH |
4079 | FONT is a font-spec, a font-entity, or a font-object. |
4080 | KEY must be one of these symbols: | |
4081 | :family, :weight, :slant, :width, :foundry, :adstyle, :registry, | |
4082 | :size, :name, :script | |
4083 | See the documentation of `font-spec' for their meanings. | |
4084 | If FONT is a font-entity or font-object, the value of :script may be | |
4085 | a list of scripts that are supported by the font. */) | |
45eb10fb KH |
4086 | (font, key) |
4087 | Lisp_Object font, key; | |
c2f5bfd6 | 4088 | { |
35027d0c | 4089 | int idx; |
c2f5bfd6 | 4090 | |
35027d0c KH |
4091 | CHECK_FONT (font); |
4092 | CHECK_SYMBOL (key); | |
e80e09b4 | 4093 | |
35027d0c | 4094 | idx = get_font_prop_index (key); |
2babb359 KH |
4095 | if (idx >= FONT_WEIGHT_INDEX && idx <= FONT_WIDTH_INDEX) |
4096 | return font_style_symbolic (font, idx, 0); | |
35027d0c | 4097 | if (idx >= 0 && idx < FONT_EXTRA_INDEX) |
c2f5bfd6 | 4098 | return AREF (font, idx); |
35027d0c | 4099 | return Fcdr (Fassq (key, AREF (font, FONT_EXTRA_INDEX))); |
c2f5bfd6 KH |
4100 | } |
4101 | ||
51cf11be AS |
4102 | #ifdef HAVE_WINDOW_SYSTEM |
4103 | ||
b1868a1a CY |
4104 | DEFUN ("font-face-attributes", Ffont_face_attributes, Sfont_face_attributes, 1, 2, 0, |
4105 | doc: /* Return a plist of face attributes generated by FONT. | |
4106 | FONT is a font name, a font-spec, a font-entity, or a font-object. | |
4107 | The return value is a list of the form | |
4108 | ||
6f568955 | 4109 | \(:family FAMILY :height HEIGHT :weight WEIGHT :slant SLANT :width WIDTH) |
b1868a1a | 4110 | |
48105a6a | 4111 | where FAMILY, HEIGHT, WEIGHT, SLANT, and WIDTH are face attribute values |
5989ba2f CY |
4112 | compatible with `set-face-attribute'. Some of these key-attribute pairs |
4113 | may be omitted from the list if they are not specified by FONT. | |
b1868a1a | 4114 | |
48105a6a JB |
4115 | The optional argument FRAME specifies the frame that the face attributes |
4116 | are to be displayed on. If omitted, the selected frame is used. */) | |
b1868a1a | 4117 | (font, frame) |
6f568955 | 4118 | Lisp_Object font, frame; |
b1868a1a CY |
4119 | { |
4120 | struct frame *f; | |
4121 | Lisp_Object plist[10]; | |
4122 | Lisp_Object val; | |
5989ba2f | 4123 | int n = 0; |
b1868a1a CY |
4124 | |
4125 | if (NILP (frame)) | |
4126 | frame = selected_frame; | |
4127 | CHECK_LIVE_FRAME (frame); | |
4128 | f = XFRAME (frame); | |
4129 | ||
4130 | if (STRINGP (font)) | |
4131 | { | |
4132 | int fontset = fs_query_fontset (font, 0); | |
4133 | Lisp_Object name = font; | |
4134 | if (fontset >= 0) | |
4135 | font = fontset_ascii (fontset); | |
4136 | font = font_spec_from_name (name); | |
4137 | if (! FONTP (font)) | |
4138 | signal_error ("Invalid font name", name); | |
4139 | } | |
4140 | else if (! FONTP (font)) | |
4141 | signal_error ("Invalid font object", font); | |
4142 | ||
b1868a1a | 4143 | val = AREF (font, FONT_FAMILY_INDEX); |
5989ba2f CY |
4144 | if (! NILP (val)) |
4145 | { | |
4146 | plist[n++] = QCfamily; | |
4147 | plist[n++] = SYMBOL_NAME (val); | |
4148 | } | |
b1868a1a | 4149 | |
b1868a1a CY |
4150 | val = AREF (font, FONT_SIZE_INDEX); |
4151 | if (INTEGERP (val)) | |
4152 | { | |
4153 | Lisp_Object font_dpi = AREF (font, FONT_DPI_INDEX); | |
4154 | int dpi = INTEGERP (font_dpi) ? XINT (font_dpi) : f->resy; | |
5989ba2f | 4155 | plist[n++] = QCheight; |
c3bb5465 | 4156 | plist[n++] = make_number (PIXEL_TO_POINT (XINT (val) * 10, dpi)); |
b1868a1a CY |
4157 | } |
4158 | else if (FLOATP (val)) | |
5989ba2f CY |
4159 | { |
4160 | plist[n++] = QCheight; | |
4161 | plist[n++] = make_number (10 * (int) XFLOAT_DATA (val)); | |
4162 | } | |
b1868a1a | 4163 | |
b1868a1a | 4164 | val = FONT_WEIGHT_FOR_FACE (font); |
5989ba2f CY |
4165 | if (! NILP (val)) |
4166 | { | |
4167 | plist[n++] = QCweight; | |
4168 | plist[n++] = val; | |
4169 | } | |
b1868a1a | 4170 | |
b1868a1a | 4171 | val = FONT_SLANT_FOR_FACE (font); |
5989ba2f CY |
4172 | if (! NILP (val)) |
4173 | { | |
4174 | plist[n++] = QCslant; | |
4175 | plist[n++] = val; | |
4176 | } | |
b1868a1a | 4177 | |
b1868a1a | 4178 | val = FONT_WIDTH_FOR_FACE (font); |
5989ba2f CY |
4179 | if (! NILP (val)) |
4180 | { | |
4181 | plist[n++] = QCwidth; | |
4182 | plist[n++] = val; | |
4183 | } | |
b1868a1a | 4184 | |
5989ba2f | 4185 | return Flist (n, plist); |
b1868a1a | 4186 | } |
c2f5bfd6 | 4187 | |
51cf11be AS |
4188 | #endif |
4189 | ||
c2f5bfd6 | 4190 | DEFUN ("font-put", Ffont_put, Sfont_put, 3, 3, 0, |
51c01100 | 4191 | doc: /* Set one property of FONT-SPEC: give property PROP value VAL. */) |
c2f5bfd6 KH |
4192 | (font_spec, prop, val) |
4193 | Lisp_Object font_spec, prop, val; | |
4194 | { | |
35027d0c | 4195 | int idx; |
c2f5bfd6 KH |
4196 | |
4197 | CHECK_FONT_SPEC (font_spec); | |
35027d0c KH |
4198 | idx = get_font_prop_index (prop); |
4199 | if (idx >= 0 && idx < FONT_EXTRA_INDEX) | |
69eb9e8b | 4200 | ASET (font_spec, idx, font_prop_validate (idx, Qnil, val)); |
c2f5bfd6 | 4201 | else |
35027d0c | 4202 | font_put_extra (font_spec, prop, font_prop_validate (0, prop, val)); |
c2f5bfd6 KH |
4203 | return val; |
4204 | } | |
4205 | ||
4206 | DEFUN ("list-fonts", Flist_fonts, Slist_fonts, 1, 4, 0, | |
4207 | doc: /* List available fonts matching FONT-SPEC on the current frame. | |
4208 | Optional 2nd argument FRAME specifies the target frame. | |
4209 | Optional 3rd argument NUM, if non-nil, limits the number of returned fonts. | |
45eb10fb KH |
4210 | Optional 4th argument PREFER, if non-nil, is a font-spec to |
4211 | control the order of the returned list. Fonts are sorted by | |
027a33c0 | 4212 | how close they are to PREFER. */) |
c2f5bfd6 KH |
4213 | (font_spec, frame, num, prefer) |
4214 | Lisp_Object font_spec, frame, num, prefer; | |
4215 | { | |
4216 | Lisp_Object vec, list, tail; | |
4217 | int n = 0, i, len; | |
4218 | ||
4219 | if (NILP (frame)) | |
4220 | frame = selected_frame; | |
4221 | CHECK_LIVE_FRAME (frame); | |
35027d0c | 4222 | CHECK_FONT_SPEC (font_spec); |
c2f5bfd6 KH |
4223 | if (! NILP (num)) |
4224 | { | |
4225 | CHECK_NUMBER (num); | |
4226 | n = XINT (num); | |
4227 | if (n <= 0) | |
4228 | return Qnil; | |
4229 | } | |
4230 | if (! NILP (prefer)) | |
35027d0c | 4231 | CHECK_FONT_SPEC (prefer); |
c2f5bfd6 KH |
4232 | |
4233 | vec = font_list_entities (frame, font_spec); | |
4234 | len = ASIZE (vec); | |
4235 | if (len == 0) | |
4236 | return Qnil; | |
4237 | if (len == 1) | |
4238 | return Fcons (AREF (vec, 0), Qnil); | |
4239 | ||
4240 | if (! NILP (prefer)) | |
7181ea6a | 4241 | vec = font_sort_entites (vec, prefer, frame, 0); |
c2f5bfd6 KH |
4242 | |
4243 | list = tail = Fcons (AREF (vec, 0), Qnil); | |
4244 | if (n == 0 || n > len) | |
4245 | n = len; | |
4246 | for (i = 1; i < n; i++) | |
4247 | { | |
4248 | Lisp_Object val = Fcons (AREF (vec, i), Qnil); | |
4249 | ||
4250 | XSETCDR (tail, val); | |
4251 | tail = val; | |
4252 | } | |
4253 | return list; | |
4254 | } | |
4255 | ||
35027d0c | 4256 | DEFUN ("font-family-list", Ffont_family_list, Sfont_family_list, 0, 1, 0, |
c2f5bfd6 | 4257 | doc: /* List available font families on the current frame. |
027a33c0 | 4258 | Optional argument FRAME, if non-nil, specifies the target frame. */) |
c2f5bfd6 KH |
4259 | (frame) |
4260 | Lisp_Object frame; | |
4261 | { | |
4262 | FRAME_PTR f; | |
4263 | struct font_driver_list *driver_list; | |
4264 | Lisp_Object list; | |
4265 | ||
4266 | if (NILP (frame)) | |
4267 | frame = selected_frame; | |
4268 | CHECK_LIVE_FRAME (frame); | |
4269 | f = XFRAME (frame); | |
4270 | list = Qnil; | |
4271 | for (driver_list = f->font_driver_list; driver_list; | |
4272 | driver_list = driver_list->next) | |
4273 | if (driver_list->driver->list_family) | |
4274 | { | |
4275 | Lisp_Object val = driver_list->driver->list_family (frame); | |
13bf758b | 4276 | Lisp_Object tail = list; |
c2f5bfd6 | 4277 | |
13bf758b CY |
4278 | for (; CONSP (val); val = XCDR (val)) |
4279 | if (NILP (Fmemq (XCAR (val), tail)) | |
4280 | && SYMBOLP (XCAR (val))) | |
4281 | list = Fcons (SYMBOL_NAME (XCAR (val)), list); | |
c2f5bfd6 KH |
4282 | } |
4283 | return list; | |
4284 | } | |
4285 | ||
4286 | DEFUN ("find-font", Ffind_font, Sfind_font, 1, 2, 0, | |
4287 | doc: /* Return a font-entity matching with FONT-SPEC on the current frame. | |
4288 | Optional 2nd argument FRAME, if non-nil, specifies the target frame. */) | |
4289 | (font_spec, frame) | |
4290 | Lisp_Object font_spec, frame; | |
4291 | { | |
4292 | Lisp_Object val = Flist_fonts (font_spec, frame, make_number (1), Qnil); | |
4293 | ||
4294 | if (CONSP (val)) | |
4295 | val = XCAR (val); | |
4296 | return val; | |
4297 | } | |
4298 | ||
d0ab1ebe | 4299 | DEFUN ("font-xlfd-name", Ffont_xlfd_name, Sfont_xlfd_name, 1, 2, 0, |
c2f5bfd6 KH |
4300 | doc: /* Return XLFD name of FONT. |
4301 | FONT is a font-spec, font-entity, or font-object. | |
d0ab1ebe KH |
4302 | If the name is too long for XLFD (maximum 255 chars), return nil. |
4303 | If the 2nd optional arg FOLD-WILDCARDS is non-nil, | |
4304 | the consecutive wildcards are folded to one. */) | |
4305 | (font, fold_wildcards) | |
4306 | Lisp_Object font, fold_wildcards; | |
c2f5bfd6 KH |
4307 | { |
4308 | char name[256]; | |
4309 | int pixel_size = 0; | |
4310 | ||
35027d0c KH |
4311 | CHECK_FONT (font); |
4312 | ||
4313 | if (FONT_OBJECT_P (font)) | |
c2f5bfd6 | 4314 | { |
35027d0c | 4315 | Lisp_Object font_name = AREF (font, FONT_NAME_INDEX); |
c2f5bfd6 | 4316 | |
35027d0c KH |
4317 | if (STRINGP (font_name) |
4318 | && SDATA (font_name)[0] == '-') | |
d0ab1ebe KH |
4319 | { |
4320 | if (NILP (fold_wildcards)) | |
4321 | return font_name; | |
4322 | strcpy (name, (char *) SDATA (font_name)); | |
4323 | goto done; | |
4324 | } | |
35027d0c | 4325 | pixel_size = XFONT_OBJECT (font)->pixel_size; |
c2f5bfd6 | 4326 | } |
c2f5bfd6 KH |
4327 | if (font_unparse_xlfd (font, pixel_size, name, 256) < 0) |
4328 | return Qnil; | |
d0ab1ebe KH |
4329 | done: |
4330 | if (! NILP (fold_wildcards)) | |
4331 | { | |
4332 | char *p0 = name, *p1; | |
4333 | ||
4334 | while ((p1 = strstr (p0, "-*-*"))) | |
4335 | { | |
4336 | strcpy (p1, p1 + 2); | |
4337 | p0 = p1; | |
4338 | } | |
4339 | } | |
4340 | ||
c2f5bfd6 KH |
4341 | return build_string (name); |
4342 | } | |
4343 | ||
4344 | DEFUN ("clear-font-cache", Fclear_font_cache, Sclear_font_cache, 0, 0, 0, | |
4345 | doc: /* Clear font cache. */) | |
4346 | () | |
4347 | { | |
4348 | Lisp_Object list, frame; | |
4349 | ||
4350 | FOR_EACH_FRAME (list, frame) | |
4351 | { | |
4352 | FRAME_PTR f = XFRAME (frame); | |
4353 | struct font_driver_list *driver_list = f->font_driver_list; | |
4354 | ||
4355 | for (; driver_list; driver_list = driver_list->next) | |
417a1b10 KH |
4356 | if (driver_list->on) |
4357 | { | |
ca4da08a KH |
4358 | Lisp_Object cache = driver_list->driver->get_cache (f); |
4359 | Lisp_Object val; | |
51c01100 | 4360 | |
ca4da08a | 4361 | val = XCDR (cache); |
43c0454d KH |
4362 | while (! NILP (val) |
4363 | && ! EQ (XCAR (XCAR (val)), driver_list->driver->type)) | |
ca4da08a | 4364 | val = XCDR (val); |
d0ab1ebe | 4365 | font_assert (! NILP (val)); |
ca4da08a KH |
4366 | val = XCDR (XCAR (val)); |
4367 | if (XINT (XCAR (val)) == 0) | |
417a1b10 | 4368 | { |
ca4da08a KH |
4369 | font_clear_cache (f, XCAR (val), driver_list->driver); |
4370 | XSETCDR (cache, XCDR (val)); | |
417a1b10 | 4371 | } |
417a1b10 | 4372 | } |
c2f5bfd6 KH |
4373 | } |
4374 | ||
4375 | return Qnil; | |
4376 | } | |
4377 | ||
071132a9 KH |
4378 | \f |
4379 | void | |
4380 | font_fill_lglyph_metrics (glyph, font_object) | |
4381 | Lisp_Object glyph, font_object; | |
c2f5bfd6 | 4382 | { |
071132a9 | 4383 | struct font *font = XFONT_OBJECT (font_object); |
f62ab7c5 EZ |
4384 | unsigned code; |
4385 | /* ecode used in LGLYPH_SET_CODE to avoid compiler warnings. */ | |
4386 | EMACS_INT ecode = font->driver->encode_char (font, LGLYPH_CHAR (glyph)); | |
071132a9 | 4387 | struct font_metrics metrics; |
c2f5bfd6 | 4388 | |
f62ab7c5 EZ |
4389 | LGLYPH_SET_CODE (glyph, ecode); |
4390 | code = ecode; | |
071132a9 KH |
4391 | font->driver->text_extents (font, &code, 1, &metrics); |
4392 | LGLYPH_SET_LBEARING (glyph, metrics.lbearing); | |
4393 | LGLYPH_SET_RBEARING (glyph, metrics.rbearing); | |
4394 | LGLYPH_SET_WIDTH (glyph, metrics.width); | |
4395 | LGLYPH_SET_ASCENT (glyph, metrics.ascent); | |
4396 | LGLYPH_SET_DESCENT (glyph, metrics.descent); | |
c2f5bfd6 KH |
4397 | } |
4398 | ||
c2f5bfd6 | 4399 | |
071132a9 KH |
4400 | DEFUN ("font-shape-gstring", Ffont_shape_gstring, Sfont_shape_gstring, 1, 1, 0, |
4401 | doc: /* Shape the glyph-string GSTRING. | |
4402 | Shaping means substituting glyphs and/or adjusting positions of glyphs | |
4403 | to get the correct visual image of character sequences set in the | |
4404 | header of the glyph-string. | |
1701724c | 4405 | |
071132a9 KH |
4406 | If the shaping was successful, the value is GSTRING itself or a newly |
4407 | created glyph-string. Otherwise, the value is nil. */) | |
4408 | (gstring) | |
4409 | Lisp_Object gstring; | |
1701724c KH |
4410 | { |
4411 | struct font *font; | |
071132a9 | 4412 | Lisp_Object font_object, n, glyph; |
fc3a285e | 4413 | int i, j, from, to; |
ba3de0e8 | 4414 | |
071132a9 KH |
4415 | if (! composition_gstring_p (gstring)) |
4416 | signal_error ("Invalid glyph-string: ", gstring); | |
4417 | if (! NILP (LGSTRING_ID (gstring))) | |
4418 | return gstring; | |
4419 | font_object = LGSTRING_FONT (gstring); | |
4420 | CHECK_FONT_OBJECT (font_object); | |
35027d0c | 4421 | font = XFONT_OBJECT (font_object); |
b876ea91 KH |
4422 | if (! font->driver->shape) |
4423 | return Qnil; | |
4424 | ||
40fb53d6 KH |
4425 | /* Try at most three times with larger gstring each time. */ |
4426 | for (i = 0; i < 3; i++) | |
4427 | { | |
40fb53d6 KH |
4428 | n = font->driver->shape (gstring); |
4429 | if (INTEGERP (n)) | |
4430 | break; | |
071132a9 KH |
4431 | gstring = larger_vector (gstring, |
4432 | ASIZE (gstring) + LGSTRING_GLYPH_LEN (gstring), | |
4433 | Qnil); | |
40fb53d6 | 4434 | } |
071132a9 | 4435 | if (i == 3 || XINT (n) == 0) |
1701724c | 4436 | return Qnil; |
ba3de0e8 | 4437 | |
071132a9 | 4438 | glyph = LGSTRING_GLYPH (gstring, 0); |
fc3a285e KH |
4439 | from = LGLYPH_FROM (glyph); |
4440 | to = LGLYPH_TO (glyph); | |
4441 | for (i = 1, j = 0; i < LGSTRING_GLYPH_LEN (gstring); i++) | |
071132a9 KH |
4442 | { |
4443 | Lisp_Object this = LGSTRING_GLYPH (gstring, i); | |
10d16101 | 4444 | |
071132a9 KH |
4445 | if (NILP (this)) |
4446 | break; | |
4447 | if (NILP (LGLYPH_ADJUSTMENT (this))) | |
fc3a285e KH |
4448 | { |
4449 | if (j < i - 1) | |
4450 | for (; j < i; j++) | |
4451 | { | |
4452 | glyph = LGSTRING_GLYPH (gstring, j); | |
4453 | LGLYPH_SET_FROM (glyph, from); | |
4454 | LGLYPH_SET_TO (glyph, to); | |
4455 | } | |
4456 | from = LGLYPH_FROM (this); | |
4457 | to = LGLYPH_TO (this); | |
4458 | j = i; | |
4459 | } | |
071132a9 | 4460 | else |
b2937119 | 4461 | { |
fc3a285e KH |
4462 | if (from > LGLYPH_FROM (this)) |
4463 | from = LGLYPH_FROM (this); | |
4464 | if (to < LGLYPH_TO (this)) | |
4465 | to = LGLYPH_TO (this); | |
b2937119 | 4466 | } |
10d16101 | 4467 | } |
fc3a285e KH |
4468 | if (j < i - 1) |
4469 | for (; j < i; j++) | |
4470 | { | |
4471 | glyph = LGSTRING_GLYPH (gstring, j); | |
4472 | LGLYPH_SET_FROM (glyph, from); | |
4473 | LGLYPH_SET_TO (glyph, to); | |
4474 | } | |
071132a9 | 4475 | return composition_gstring_put_cache (gstring, XINT (n)); |
c2f5bfd6 KH |
4476 | } |
4477 | ||
78a2f9cd KH |
4478 | DEFUN ("font-variation-glyphs", Ffont_variation_glyphs, Sfont_variation_glyphs, |
4479 | 2, 2, 0, | |
4480 | doc: /* Return a list of variation glyphs for CHAR in FONT-OBJECT. | |
4481 | Each element of the value is a cons (VARIATION-SELECTOR . GLYPH-ID), | |
4482 | where | |
4483 | VARIATION-SELECTOR is a chracter code of variation selection | |
4484 | (#xFE00..#xFE0F or #xE0100..#xE01EF) | |
4485 | GLYPH-ID is a glyph code of the corresponding variation glyph. */) | |
4486 | (font_object, character) | |
4487 | Lisp_Object font_object, character; | |
4488 | { | |
4489 | unsigned variations[256]; | |
4490 | struct font *font; | |
4491 | int i, n; | |
4492 | Lisp_Object val; | |
4493 | ||
4494 | CHECK_FONT_OBJECT (font_object); | |
4495 | CHECK_CHARACTER (character); | |
4496 | font = XFONT_OBJECT (font_object); | |
4497 | if (! font->driver->get_variation_glyphs) | |
4498 | return Qnil; | |
4499 | n = font->driver->get_variation_glyphs (font, XINT (character), variations); | |
4500 | if (! n) | |
4501 | return Qnil; | |
4502 | val = Qnil; | |
4503 | for (i = 0; i < 255; i++) | |
4504 | if (variations[i]) | |
4505 | { | |
4506 | Lisp_Object code; | |
4507 | int vs = (i < 16 ? 0xFE00 + i : 0xE0100 + (i - 16)); | |
b60861e6 GM |
4508 | /* Stops GCC whining about limited range of data type. */ |
4509 | EMACS_INT var = variations[i]; | |
78a2f9cd | 4510 | |
b60861e6 | 4511 | if (var > MOST_POSITIVE_FIXNUM) |
78a2f9cd KH |
4512 | code = Fcons (make_number ((variations[i]) >> 16), |
4513 | make_number ((variations[i]) & 0xFFFF)); | |
4514 | else | |
4515 | code = make_number (variations[i]); | |
4516 | val = Fcons (Fcons (make_number (vs), code), val); | |
4517 | } | |
4518 | return val; | |
4519 | } | |
4520 | ||
6a3dadd2 KH |
4521 | #if 0 |
4522 | ||
733fd013 KH |
4523 | DEFUN ("font-drive-otf", Ffont_drive_otf, Sfont_drive_otf, 6, 6, 0, |
4524 | doc: /* Apply OpenType features on glyph-string GSTRING-IN. | |
51c01100 | 4525 | OTF-FEATURES specifies which features to apply in this format: |
733fd013 | 4526 | (SCRIPT LANGSYS GSUB GPOS) |
e80e09b4 KH |
4527 | where |
4528 | SCRIPT is a symbol specifying a script tag of OpenType, | |
4529 | LANGSYS is a symbol specifying a langsys tag of OpenType, | |
733fd013 | 4530 | GSUB and GPOS, if non-nil, are lists of symbols specifying feature tags. |
e80e09b4 KH |
4531 | |
4532 | If LANGYS is nil, the default langsys is selected. | |
4533 | ||
51c01100 JB |
4534 | The features are applied in the order they appear in the list. The |
4535 | symbol `*' means to apply all available features not present in this | |
733fd013 KH |
4536 | list, and the remaining features are ignored. For instance, (vatu |
4537 | pstf * haln) is to apply vatu and pstf in this order, then to apply | |
4538 | all available features other than vatu, pstf, and haln. | |
e80e09b4 KH |
4539 | |
4540 | The features are applied to the glyphs in the range FROM and TO of | |
733fd013 | 4541 | the glyph-string GSTRING-IN. |
e80e09b4 | 4542 | |
51c01100 | 4543 | If some feature is actually applicable, the resulting glyphs are |
e80e09b4 KH |
4544 | produced in the glyph-string GSTRING-OUT from the index INDEX. In |
4545 | this case, the value is the number of produced glyphs. | |
4546 | ||
4547 | If no feature is applicable, no glyph is produced in GSTRING-OUT, and | |
4548 | the value is 0. | |
4549 | ||
51c01100 | 4550 | If GSTRING-OUT is too short to hold produced glyphs, no glyphs are |
e80e09b4 KH |
4551 | produced in GSTRING-OUT, and the value is nil. |
4552 | ||
4553 | See the documentation of `font-make-gstring' for the format of | |
4554 | glyph-string. */) | |
733fd013 KH |
4555 | (otf_features, gstring_in, from, to, gstring_out, index) |
4556 | Lisp_Object otf_features, gstring_in, from, to, gstring_out, index; | |
e80e09b4 KH |
4557 | { |
4558 | Lisp_Object font_object = LGSTRING_FONT (gstring_in); | |
733fd013 KH |
4559 | Lisp_Object val; |
4560 | struct font *font; | |
e80e09b4 KH |
4561 | int len, num; |
4562 | ||
733fd013 | 4563 | check_otf_features (otf_features); |
35027d0c KH |
4564 | CHECK_FONT_OBJECT (font_object); |
4565 | font = XFONT_OBJECT (font_object); | |
733fd013 | 4566 | if (! font->driver->otf_drive) |
e80e09b4 KH |
4567 | error ("Font backend %s can't drive OpenType GSUB table", |
4568 | SDATA (SYMBOL_NAME (font->driver->type))); | |
733fd013 KH |
4569 | CHECK_CONS (otf_features); |
4570 | CHECK_SYMBOL (XCAR (otf_features)); | |
4571 | val = XCDR (otf_features); | |
4572 | CHECK_SYMBOL (XCAR (val)); | |
4573 | val = XCDR (otf_features); | |
4574 | if (! NILP (val)) | |
4575 | CHECK_CONS (val); | |
e80e09b4 KH |
4576 | len = check_gstring (gstring_in); |
4577 | CHECK_VECTOR (gstring_out); | |
4578 | CHECK_NATNUM (from); | |
4579 | CHECK_NATNUM (to); | |
4580 | CHECK_NATNUM (index); | |
4581 | ||
4582 | if (XINT (from) >= XINT (to) || XINT (to) > len) | |
4583 | args_out_of_range_3 (from, to, make_number (len)); | |
4584 | if (XINT (index) >= ASIZE (gstring_out)) | |
4585 | args_out_of_range (index, make_number (ASIZE (gstring_out))); | |
733fd013 KH |
4586 | num = font->driver->otf_drive (font, otf_features, |
4587 | gstring_in, XINT (from), XINT (to), | |
4588 | gstring_out, XINT (index), 0); | |
e80e09b4 KH |
4589 | if (num < 0) |
4590 | return Qnil; | |
4591 | return make_number (num); | |
4592 | } | |
4593 | ||
e80e09b4 KH |
4594 | DEFUN ("font-otf-alternates", Ffont_otf_alternates, Sfont_otf_alternates, |
4595 | 3, 3, 0, | |
4596 | doc: /* Return a list of alternate glyphs of CHARACTER in FONT-OBJECT. | |
51c01100 | 4597 | OTF-FEATURES specifies which features of the font FONT-OBJECT to apply |
e80e09b4 KH |
4598 | in this format: |
4599 | (SCRIPT LANGSYS FEATURE ...) | |
027a33c0 | 4600 | See the documentation of `font-drive-otf' for more detail. |
e80e09b4 KH |
4601 | |
4602 | The value is a list of cons cells of the format (GLYPH-ID . CHARACTER), | |
4603 | where GLYPH-ID is a glyph index of the font, and CHARACTER is a | |
4604 | character code corresponding to the glyph or nil if there's no | |
4605 | corresponding character. */) | |
733fd013 KH |
4606 | (font_object, character, otf_features) |
4607 | Lisp_Object font_object, character, otf_features; | |
e80e09b4 KH |
4608 | { |
4609 | struct font *font; | |
4610 | Lisp_Object gstring_in, gstring_out, g; | |
4611 | Lisp_Object alternates; | |
4612 | int i, num; | |
4613 | ||
4614 | CHECK_FONT_GET_OBJECT (font_object, font); | |
733fd013 | 4615 | if (! font->driver->otf_drive) |
e950d6f1 KH |
4616 | error ("Font backend %s can't drive OpenType GSUB table", |
4617 | SDATA (SYMBOL_NAME (font->driver->type))); | |
e80e09b4 | 4618 | CHECK_CHARACTER (character); |
733fd013 | 4619 | CHECK_CONS (otf_features); |
e80e09b4 KH |
4620 | |
4621 | gstring_in = Ffont_make_gstring (font_object, make_number (1)); | |
4622 | g = LGSTRING_GLYPH (gstring_in, 0); | |
f9ffa1ea | 4623 | LGLYPH_SET_CHAR (g, XINT (character)); |
e80e09b4 | 4624 | gstring_out = Ffont_make_gstring (font_object, make_number (10)); |
733fd013 KH |
4625 | while ((num = font->driver->otf_drive (font, otf_features, gstring_in, 0, 1, |
4626 | gstring_out, 0, 1)) < 0) | |
e80e09b4 KH |
4627 | gstring_out = Ffont_make_gstring (font_object, |
4628 | make_number (ASIZE (gstring_out) * 2)); | |
4629 | alternates = Qnil; | |
4630 | for (i = 0; i < num; i++) | |
4631 | { | |
4632 | Lisp_Object g = LGSTRING_GLYPH (gstring_out, i); | |
f9ffa1ea SM |
4633 | int c = LGLYPH_CHAR (g); |
4634 | unsigned code = LGLYPH_CODE (g); | |
e80e09b4 KH |
4635 | |
4636 | alternates = Fcons (Fcons (make_number (code), | |
4637 | c > 0 ? make_number (c) : Qnil), | |
4638 | alternates); | |
4639 | } | |
4640 | return Fnreverse (alternates); | |
4641 | } | |
6a3dadd2 | 4642 | #endif /* 0 */ |
c2f5bfd6 KH |
4643 | |
4644 | #ifdef FONT_DEBUG | |
4645 | ||
4646 | DEFUN ("open-font", Fopen_font, Sopen_font, 1, 3, 0, | |
4647 | doc: /* Open FONT-ENTITY. */) | |
4648 | (font_entity, size, frame) | |
4649 | Lisp_Object font_entity; | |
4650 | Lisp_Object size; | |
4651 | Lisp_Object frame; | |
4652 | { | |
4653 | int isize; | |
4654 | ||
4655 | CHECK_FONT_ENTITY (font_entity); | |
c2f5bfd6 KH |
4656 | if (NILP (frame)) |
4657 | frame = selected_frame; | |
4658 | CHECK_LIVE_FRAME (frame); | |
51c01100 | 4659 | |
35027d0c KH |
4660 | if (NILP (size)) |
4661 | isize = XINT (AREF (font_entity, FONT_SIZE_INDEX)); | |
4662 | else | |
4663 | { | |
4664 | CHECK_NUMBER_OR_FLOAT (size); | |
4665 | if (FLOATP (size)) | |
d03b5cdb | 4666 | isize = POINT_TO_PIXEL (XFLOAT_DATA (size), XFRAME (frame)->resy); |
35027d0c KH |
4667 | else |
4668 | isize = XINT (size); | |
4669 | if (isize == 0) | |
4670 | isize = 120; | |
4671 | } | |
c2f5bfd6 KH |
4672 | return font_open_entity (XFRAME (frame), font_entity, isize); |
4673 | } | |
4674 | ||
4675 | DEFUN ("close-font", Fclose_font, Sclose_font, 1, 2, 0, | |
4676 | doc: /* Close FONT-OBJECT. */) | |
4677 | (font_object, frame) | |
4678 | Lisp_Object font_object, frame; | |
4679 | { | |
4680 | CHECK_FONT_OBJECT (font_object); | |
4681 | if (NILP (frame)) | |
4682 | frame = selected_frame; | |
4683 | CHECK_LIVE_FRAME (frame); | |
4684 | font_close_object (XFRAME (frame), font_object); | |
4685 | return Qnil; | |
4686 | } | |
4687 | ||
4688 | DEFUN ("query-font", Fquery_font, Squery_font, 1, 1, 0, | |
e80e09b4 KH |
4689 | doc: /* Return information about FONT-OBJECT. |
4690 | The value is a vector: | |
4691 | [ NAME FILENAME PIXEL-SIZE SIZE ASCENT DESCENT SPACE-WIDTH AVERAGE-WIDTH | |
e0708580 | 4692 | CAPABILITY ] |
e80e09b4 KH |
4693 | |
4694 | NAME is a string of the font name (or nil if the font backend doesn't | |
4695 | provide a name). | |
4696 | ||
4697 | FILENAME is a string of the font file (or nil if the font backend | |
4698 | doesn't provide a file name). | |
4699 | ||
4700 | PIXEL-SIZE is a pixel size by which the font is opened. | |
4701 | ||
027a33c0 | 4702 | SIZE is a maximum advance width of the font in pixels. |
e80e09b4 KH |
4703 | |
4704 | ASCENT, DESCENT, SPACE-WIDTH, AVERAGE-WIDTH are metrics of the font in | |
027a33c0 | 4705 | pixels. |
e80e09b4 | 4706 | |
e0708580 KH |
4707 | CAPABILITY is a list whose first element is a symbol representing the |
4708 | font format \(x, opentype, truetype, type1, pcf, or bdf) and the | |
027a33c0 | 4709 | remaining elements describe the details of the font capability. |
e0708580 KH |
4710 | |
4711 | If the font is OpenType font, the form of the list is | |
4712 | \(opentype GSUB GPOS) | |
4713 | where GSUB shows which "GSUB" features the font supports, and GPOS | |
4714 | shows which "GPOS" features the font supports. Both GSUB and GPOS are | |
4715 | lists of the format: | |
4716 | \((SCRIPT (LANGSYS FEATURE ...) ...) ...) | |
4717 | ||
4718 | If the font is not OpenType font, currently the length of the form is | |
4719 | one. | |
e80e09b4 KH |
4720 | |
4721 | SCRIPT is a symbol representing OpenType script tag. | |
4722 | ||
4723 | LANGSYS is a symbol representing OpenType langsys tag, or nil | |
4724 | representing the default langsys. | |
4725 | ||
51c01100 | 4726 | FEATURE is a symbol representing OpenType feature tag. |
e80e09b4 | 4727 | |
51c01100 | 4728 | If the font is not OpenType font, CAPABILITY is nil. */) |
c2f5bfd6 KH |
4729 | (font_object) |
4730 | Lisp_Object font_object; | |
4731 | { | |
4732 | struct font *font; | |
4733 | Lisp_Object val; | |
4734 | ||
4735 | CHECK_FONT_GET_OBJECT (font_object, font); | |
4736 | ||
4737 | val = Fmake_vector (make_number (9), Qnil); | |
35027d0c KH |
4738 | ASET (val, 0, AREF (font_object, FONT_NAME_INDEX)); |
4739 | ASET (val, 1, AREF (font_object, FONT_FILE_INDEX)); | |
c2f5bfd6 | 4740 | ASET (val, 2, make_number (font->pixel_size)); |
35027d0c | 4741 | ASET (val, 3, make_number (font->max_width)); |
c2f5bfd6 KH |
4742 | ASET (val, 4, make_number (font->ascent)); |
4743 | ASET (val, 5, make_number (font->descent)); | |
35027d0c KH |
4744 | ASET (val, 6, make_number (font->space_width)); |
4745 | ASET (val, 7, make_number (font->average_width)); | |
c2f5bfd6 | 4746 | if (font->driver->otf_capability) |
e0708580 | 4747 | ASET (val, 8, Fcons (Qopentype, font->driver->otf_capability (font))); |
c2f5bfd6 KH |
4748 | return val; |
4749 | } | |
4750 | ||
4751 | DEFUN ("get-font-glyphs", Fget_font_glyphs, Sget_font_glyphs, 2, 2, 0, | |
4752 | doc: /* Return a vector of glyphs of FONT-OBJECT for drawing STRING. | |
4753 | Each element is a vector [GLYPH-CODE LBEARING RBEARING WIDTH ASCENT DESCENT]. */) | |
4754 | (font_object, string) | |
4755 | Lisp_Object font_object, string; | |
4756 | { | |
4757 | struct font *font; | |
4758 | int i, len; | |
4759 | Lisp_Object vec; | |
4760 | ||
4761 | CHECK_FONT_GET_OBJECT (font_object, font); | |
4762 | CHECK_STRING (string); | |
4763 | len = SCHARS (string); | |
4764 | vec = Fmake_vector (make_number (len), Qnil); | |
4765 | for (i = 0; i < len; i++) | |
4766 | { | |
4767 | Lisp_Object ch = Faref (string, make_number (i)); | |
4768 | Lisp_Object val; | |
4769 | int c = XINT (ch); | |
4770 | unsigned code; | |
2930d117 | 4771 | EMACS_INT cod; |
c2f5bfd6 KH |
4772 | struct font_metrics metrics; |
4773 | ||
2930d117 | 4774 | cod = code = font->driver->encode_char (font, c); |
c2f5bfd6 KH |
4775 | if (code == FONT_INVALID_CODE) |
4776 | continue; | |
4777 | val = Fmake_vector (make_number (6), Qnil); | |
2930d117 | 4778 | if (cod <= MOST_POSITIVE_FIXNUM) |
c2f5bfd6 KH |
4779 | ASET (val, 0, make_number (code)); |
4780 | else | |
4781 | ASET (val, 0, Fcons (make_number (code >> 16), | |
4782 | make_number (code & 0xFFFF))); | |
51c01100 | 4783 | font->driver->text_extents (font, &code, 1, &metrics); |
c2f5bfd6 KH |
4784 | ASET (val, 1, make_number (metrics.lbearing)); |
4785 | ASET (val, 2, make_number (metrics.rbearing)); | |
4786 | ASET (val, 3, make_number (metrics.width)); | |
4787 | ASET (val, 4, make_number (metrics.ascent)); | |
4788 | ASET (val, 5, make_number (metrics.descent)); | |
4789 | ASET (vec, i, val); | |
4790 | } | |
4791 | return vec; | |
4792 | } | |
4793 | ||
ec6fe57c | 4794 | DEFUN ("font-match-p", Ffont_match_p, Sfont_match_p, 2, 2, 0, |
67b5d7de | 4795 | doc: /* Return t if and only if font-spec SPEC matches with FONT. |
ec6fe57c KH |
4796 | FONT is a font-spec, font-entity, or font-object. */) |
4797 | (spec, font) | |
4798 | Lisp_Object spec, font; | |
4799 | { | |
4800 | CHECK_FONT_SPEC (spec); | |
35027d0c | 4801 | CHECK_FONT (font); |
ec6fe57c KH |
4802 | |
4803 | return (font_match_p (spec, font) ? Qt : Qnil); | |
4804 | } | |
4805 | ||
1701724c | 4806 | DEFUN ("font-at", Ffont_at, Sfont_at, 1, 3, 0, |
51c01100 | 4807 | doc: /* Return a font-object for displaying a character at POSITION. |
10d16101 KH |
4808 | Optional second arg WINDOW, if non-nil, is a window displaying |
4809 | the current buffer. It defaults to the currently selected window. */) | |
1701724c KH |
4810 | (position, window, string) |
4811 | Lisp_Object position, window, string; | |
10d16101 KH |
4812 | { |
4813 | struct window *w; | |
e3ee0340 | 4814 | EMACS_INT pos; |
10d16101 | 4815 | |
1701724c KH |
4816 | if (NILP (string)) |
4817 | { | |
4818 | CHECK_NUMBER_COERCE_MARKER (position); | |
4819 | pos = XINT (position); | |
4820 | if (pos < BEGV || pos >= ZV) | |
4821 | args_out_of_range_3 (position, make_number (BEGV), make_number (ZV)); | |
1701724c KH |
4822 | } |
4823 | else | |
4824 | { | |
1701724c KH |
4825 | CHECK_NUMBER (position); |
4826 | CHECK_STRING (string); | |
4827 | pos = XINT (position); | |
4828 | if (pos < 0 || pos >= SCHARS (string)) | |
4829 | args_out_of_range (string, position); | |
1701724c | 4830 | } |
10d16101 KH |
4831 | if (NILP (window)) |
4832 | window = selected_window; | |
4833 | CHECK_LIVE_WINDOW (window); | |
40fb53d6 | 4834 | w = XWINDOW (window); |
10d16101 | 4835 | |
40fb53d6 | 4836 | return font_at (-1, pos, NULL, w, string); |
10d16101 KH |
4837 | } |
4838 | ||
c2f5bfd6 KH |
4839 | #if 0 |
4840 | DEFUN ("draw-string", Fdraw_string, Sdraw_string, 2, 2, 0, | |
4841 | doc: /* Draw STRING by FONT-OBJECT on the top left corner of the current frame. | |
4842 | The value is a number of glyphs drawn. | |
4843 | Type C-l to recover what previously shown. */) | |
4844 | (font_object, string) | |
4845 | Lisp_Object font_object, string; | |
4846 | { | |
4847 | Lisp_Object frame = selected_frame; | |
4848 | FRAME_PTR f = XFRAME (frame); | |
4849 | struct font *font; | |
4850 | struct face *face; | |
4851 | int i, len, width; | |
4852 | unsigned *code; | |
4853 | ||
4854 | CHECK_FONT_GET_OBJECT (font_object, font); | |
4855 | CHECK_STRING (string); | |
4856 | len = SCHARS (string); | |
4857 | code = alloca (sizeof (unsigned) * len); | |
4858 | for (i = 0; i < len; i++) | |
4859 | { | |
4860 | Lisp_Object ch = Faref (string, make_number (i)); | |
4861 | Lisp_Object val; | |
4862 | int c = XINT (ch); | |
4863 | ||
4864 | code[i] = font->driver->encode_char (font, c); | |
4865 | if (code[i] == FONT_INVALID_CODE) | |
4866 | break; | |
4867 | } | |
4868 | face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
4869 | face->fontp = font; | |
4870 | if (font->driver->prepare_face) | |
4871 | font->driver->prepare_face (f, face); | |
4872 | width = font->driver->text_extents (font, code, i, NULL); | |
4873 | len = font->driver->draw_text (f, face, 0, font->ascent, code, i, width); | |
4874 | if (font->driver->done_face) | |
4875 | font->driver->done_face (f, face); | |
4876 | face->fontp = NULL; | |
4877 | return make_number (len); | |
4878 | } | |
4879 | #endif | |
4880 | ||
4881 | #endif /* FONT_DEBUG */ | |
4882 | ||
a266686a KH |
4883 | #ifdef HAVE_WINDOW_SYSTEM |
4884 | ||
72606e45 KH |
4885 | DEFUN ("font-info", Ffont_info, Sfont_info, 1, 2, 0, |
4886 | doc: /* Return information about a font named NAME on frame FRAME. | |
4887 | If FRAME is omitted or nil, use the selected frame. | |
06f19b91 | 4888 | The returned value is a vector of OPENED-NAME, FULL-NAME, SIZE, |
72606e45 KH |
4889 | HEIGHT, BASELINE-OFFSET, RELATIVE-COMPOSE, and DEFAULT-ASCENT, |
4890 | where | |
4891 | OPENED-NAME is the name used for opening the font, | |
4892 | FULL-NAME is the full name of the font, | |
06f19b91 KH |
4893 | SIZE is the pixelsize of the font, |
4894 | HEIGHT is the pixel-height of the font (i.e ascent + descent), | |
72606e45 KH |
4895 | BASELINE-OFFSET is the upward offset pixels from ASCII baseline, |
4896 | RELATIVE-COMPOSE and DEFAULT-ASCENT are the numbers controlling | |
4897 | how to compose characters. | |
4898 | If the named font is not yet loaded, return nil. */) | |
4899 | (name, frame) | |
4900 | Lisp_Object name, frame; | |
4901 | { | |
4902 | FRAME_PTR f; | |
4903 | struct font *font; | |
4904 | Lisp_Object info; | |
4905 | Lisp_Object font_object; | |
4906 | ||
4907 | (*check_window_system_func) (); | |
4908 | ||
4909 | if (! FONTP (name)) | |
4910 | CHECK_STRING (name); | |
4911 | if (NILP (frame)) | |
4912 | frame = selected_frame; | |
4913 | CHECK_LIVE_FRAME (frame); | |
4914 | f = XFRAME (frame); | |
4915 | ||
4916 | if (STRINGP (name)) | |
4917 | { | |
4918 | int fontset = fs_query_fontset (name, 0); | |
4919 | ||
4920 | if (fontset >= 0) | |
4921 | name = fontset_ascii (fontset); | |
4922 | font_object = font_open_by_name (f, (char *) SDATA (name)); | |
4923 | } | |
4924 | else if (FONT_OBJECT_P (name)) | |
4925 | font_object = name; | |
4926 | else if (FONT_ENTITY_P (name)) | |
4927 | font_object = font_open_entity (f, name, 0); | |
4928 | else | |
4929 | { | |
4930 | struct face *face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
4931 | Lisp_Object entity = font_matching_entity (f, face->lface, name); | |
4932 | ||
4933 | font_object = ! NILP (entity) ? font_open_entity (f, entity, 0) : Qnil; | |
4934 | } | |
4935 | if (NILP (font_object)) | |
4936 | return Qnil; | |
4937 | font = XFONT_OBJECT (font_object); | |
4938 | ||
4939 | info = Fmake_vector (make_number (7), Qnil); | |
4940 | XVECTOR (info)->contents[0] = AREF (font_object, FONT_NAME_INDEX); | |
06f19b91 | 4941 | XVECTOR (info)->contents[1] = AREF (font_object, FONT_FULLNAME_INDEX); |
72606e45 KH |
4942 | XVECTOR (info)->contents[2] = make_number (font->pixel_size); |
4943 | XVECTOR (info)->contents[3] = make_number (font->height); | |
4944 | XVECTOR (info)->contents[4] = make_number (font->baseline_offset); | |
4945 | XVECTOR (info)->contents[5] = make_number (font->relative_compose); | |
4946 | XVECTOR (info)->contents[6] = make_number (font->default_ascent); | |
4947 | ||
4948 | #if 0 | |
4949 | /* As font_object is still in FONT_OBJLIST of the entity, we can't | |
4950 | close it now. Perhaps, we should manage font-objects | |
4951 | by `reference-count'. */ | |
4952 | font_close_object (f, font_object); | |
4953 | #endif | |
4954 | return info; | |
4955 | } | |
a266686a | 4956 | #endif |
72606e45 | 4957 | |
c2f5bfd6 | 4958 | \f |
d0ab1ebe KH |
4959 | #define BUILD_STYLE_TABLE(TBL) \ |
4960 | build_style_table ((TBL), sizeof TBL / sizeof (struct table_entry)) | |
4961 | ||
4962 | static Lisp_Object | |
4963 | build_style_table (entry, nelement) | |
4964 | struct table_entry *entry; | |
4965 | int nelement; | |
4966 | { | |
4967 | int i, j; | |
4968 | Lisp_Object table, elt; | |
17ab8f5d | 4969 | |
d0ab1ebe KH |
4970 | table = Fmake_vector (make_number (nelement), Qnil); |
4971 | for (i = 0; i < nelement; i++) | |
4972 | { | |
4973 | for (j = 0; entry[i].names[j]; j++); | |
4974 | elt = Fmake_vector (make_number (j + 1), Qnil); | |
4975 | ASET (elt, 0, make_number (entry[i].numeric)); | |
4976 | for (j = 0; entry[i].names[j]; j++) | |
17ab8f5d | 4977 | ASET (elt, j + 1, intern (entry[i].names[j])); |
d0ab1ebe KH |
4978 | ASET (table, i, elt); |
4979 | } | |
4980 | return table; | |
4981 | } | |
4982 | ||
4983 | static Lisp_Object Vfont_log; | |
4984 | static int font_log_env_checked; | |
4985 | ||
d0818984 KH |
4986 | /* The deferred font-log data of the form [ACTION ARG RESULT]. |
4987 | If ACTION is not nil, that is added to the log when font_add_log is | |
4988 | called next time. At that time, ACTION is set back to nil. */ | |
4989 | static Lisp_Object Vfont_log_deferred; | |
4990 | ||
4991 | /* Prepend the font-related logging data in Vfont_log if it is not | |
4992 | `t'. ACTION describes a kind of font-related action (e.g. listing, | |
4993 | opening), ARG is the argument for the action, and RESULT is the | |
4994 | result of the action. */ | |
d0ab1ebe KH |
4995 | void |
4996 | font_add_log (action, arg, result) | |
4997 | char *action; | |
4998 | Lisp_Object arg, result; | |
4999 | { | |
5000 | Lisp_Object tail, val; | |
5001 | int i; | |
5002 | ||
5003 | if (! font_log_env_checked) | |
5004 | { | |
5005 | Vfont_log = egetenv ("EMACS_FONT_LOG") ? Qnil : Qt; | |
5006 | font_log_env_checked = 1; | |
5007 | } | |
5008 | if (EQ (Vfont_log, Qt)) | |
5009 | return; | |
d0818984 KH |
5010 | if (STRINGP (AREF (Vfont_log_deferred, 0))) |
5011 | { | |
071132a9 | 5012 | char *str = (char *) SDATA (AREF (Vfont_log_deferred, 0)); |
d0818984 KH |
5013 | |
5014 | ASET (Vfont_log_deferred, 0, Qnil); | |
5015 | font_add_log (str, AREF (Vfont_log_deferred, 1), | |
5016 | AREF (Vfont_log_deferred, 2)); | |
5017 | } | |
5018 | ||
d0ab1ebe | 5019 | if (FONTP (arg)) |
db716644 KH |
5020 | { |
5021 | Lisp_Object tail, elt; | |
5022 | Lisp_Object equalstr = build_string ("="); | |
5023 | ||
5024 | val = Ffont_xlfd_name (arg, Qt); | |
5025 | for (tail = AREF (arg, FONT_EXTRA_INDEX); CONSP (tail); | |
5026 | tail = XCDR (tail)) | |
5027 | { | |
5028 | elt = XCAR (tail); | |
49f9c344 KH |
5029 | if (EQ (XCAR (elt), QCscript) |
5030 | && SYMBOLP (XCDR (elt))) | |
db716644 KH |
5031 | val = concat3 (val, SYMBOL_NAME (QCscript), |
5032 | concat2 (equalstr, SYMBOL_NAME (XCDR (elt)))); | |
49f9c344 KH |
5033 | else if (EQ (XCAR (elt), QClang) |
5034 | && SYMBOLP (XCDR (elt))) | |
db716644 KH |
5035 | val = concat3 (val, SYMBOL_NAME (QClang), |
5036 | concat2 (equalstr, SYMBOL_NAME (XCDR (elt)))); | |
49f9c344 KH |
5037 | else if (EQ (XCAR (elt), QCotf) |
5038 | && CONSP (XCDR (elt)) && SYMBOLP (XCAR (XCDR (elt)))) | |
db716644 KH |
5039 | val = concat3 (val, SYMBOL_NAME (QCotf), |
5040 | concat2 (equalstr, | |
5041 | SYMBOL_NAME (XCAR (XCDR (elt))))); | |
5042 | } | |
5043 | arg = val; | |
5044 | } | |
d0ab1ebe | 5045 | if (FONTP (result)) |
d26424c5 KH |
5046 | { |
5047 | val = Ffont_xlfd_name (result, Qt); | |
5048 | if (! FONT_SPEC_P (result)) | |
5049 | val = concat3 (SYMBOL_NAME (AREF (result, FONT_TYPE_INDEX)), | |
5050 | build_string (":"), val); | |
5051 | result = val; | |
5052 | } | |
d0ab1ebe KH |
5053 | else if (CONSP (result)) |
5054 | { | |
5055 | result = Fcopy_sequence (result); | |
5056 | for (tail = result; CONSP (tail); tail = XCDR (tail)) | |
5057 | { | |
5058 | val = XCAR (tail); | |
5059 | if (FONTP (val)) | |
5060 | val = Ffont_xlfd_name (val, Qt); | |
5061 | XSETCAR (tail, val); | |
5062 | } | |
5063 | } | |
5064 | else if (VECTORP (result)) | |
5065 | { | |
5066 | result = Fcopy_sequence (result); | |
5067 | for (i = 0; i < ASIZE (result); i++) | |
5068 | { | |
5069 | val = AREF (result, i); | |
5070 | if (FONTP (val)) | |
5071 | val = Ffont_xlfd_name (val, Qt); | |
5072 | ASET (result, i, val); | |
5073 | } | |
5074 | } | |
5075 | Vfont_log = Fcons (list3 (intern (action), arg, result), Vfont_log); | |
5076 | } | |
5077 | ||
d0818984 KH |
5078 | /* Record a font-related logging data to be added to Vfont_log when |
5079 | font_add_log is called next time. ACTION, ARG, RESULT are the same | |
5080 | as font_add_log. */ | |
5081 | ||
5082 | void | |
5083 | font_deferred_log (action, arg, result) | |
5084 | char *action; | |
5085 | Lisp_Object arg, result; | |
5086 | { | |
5087 | ASET (Vfont_log_deferred, 0, build_string (action)); | |
5088 | ASET (Vfont_log_deferred, 1, arg); | |
5089 | ASET (Vfont_log_deferred, 2, result); | |
ba3de0e8 | 5090 | } |
d0818984 | 5091 | |
c2f5bfd6 KH |
5092 | extern void syms_of_ftfont P_ (()); |
5093 | extern void syms_of_xfont P_ (()); | |
5094 | extern void syms_of_xftfont P_ (()); | |
5095 | extern void syms_of_ftxfont P_ (()); | |
5096 | extern void syms_of_bdffont P_ (()); | |
5097 | extern void syms_of_w32font P_ (()); | |
5098 | extern void syms_of_atmfont P_ (()); | |
edfda783 | 5099 | extern void syms_of_nsfont P_ (()); |
c2f5bfd6 KH |
5100 | |
5101 | void | |
5102 | syms_of_font () | |
5103 | { | |
4007dd1c KH |
5104 | sort_shift_bits[FONT_TYPE_INDEX] = 0; |
5105 | sort_shift_bits[FONT_SLANT_INDEX] = 2; | |
5106 | sort_shift_bits[FONT_WEIGHT_INDEX] = 9; | |
5107 | sort_shift_bits[FONT_SIZE_INDEX] = 16; | |
5108 | sort_shift_bits[FONT_WIDTH_INDEX] = 23; | |
5109 | /* Note that the other elements in sort_shift_bits are not used. */ | |
c2f5bfd6 | 5110 | |
1701724c KH |
5111 | staticpro (&font_charset_alist); |
5112 | font_charset_alist = Qnil; | |
5113 | ||
e0708580 | 5114 | DEFSYM (Qopentype, "opentype"); |
c2f5bfd6 | 5115 | |
9e1bb909 | 5116 | DEFSYM (Qascii_0, "ascii-0"); |
1bb1d99b KH |
5117 | DEFSYM (Qiso8859_1, "iso8859-1"); |
5118 | DEFSYM (Qiso10646_1, "iso10646-1"); | |
5119 | DEFSYM (Qunicode_bmp, "unicode-bmp"); | |
cf96c5c2 | 5120 | DEFSYM (Qunicode_sip, "unicode-sip"); |
1bb1d99b | 5121 | |
071132a9 KH |
5122 | DEFSYM (QCf, "Cf"); |
5123 | ||
c2f5bfd6 | 5124 | DEFSYM (QCotf, ":otf"); |
35027d0c | 5125 | DEFSYM (QClang, ":lang"); |
c2f5bfd6 | 5126 | DEFSYM (QCscript, ":script"); |
4c496d0d | 5127 | DEFSYM (QCantialias, ":antialias"); |
c2f5bfd6 KH |
5128 | |
5129 | DEFSYM (QCfoundry, ":foundry"); | |
5130 | DEFSYM (QCadstyle, ":adstyle"); | |
5131 | DEFSYM (QCregistry, ":registry"); | |
9331887d KH |
5132 | DEFSYM (QCspacing, ":spacing"); |
5133 | DEFSYM (QCdpi, ":dpi"); | |
ec6fe57c | 5134 | DEFSYM (QCscalable, ":scalable"); |
35027d0c KH |
5135 | DEFSYM (QCavgwidth, ":avgwidth"); |
5136 | DEFSYM (QCfont_entity, ":font-entity"); | |
5137 | DEFSYM (QCfc_unknown_spec, ":fc-unknown-spec"); | |
c2f5bfd6 | 5138 | |
ec6fe57c KH |
5139 | DEFSYM (Qc, "c"); |
5140 | DEFSYM (Qm, "m"); | |
5141 | DEFSYM (Qp, "p"); | |
5142 | DEFSYM (Qd, "d"); | |
5143 | ||
cf702558 CY |
5144 | DEFSYM (Qja, "ja"); |
5145 | DEFSYM (Qko, "ko"); | |
5146 | ||
c2f5bfd6 KH |
5147 | staticpro (&null_vector); |
5148 | null_vector = Fmake_vector (make_number (0), Qnil); | |
5149 | ||
5150 | staticpro (&scratch_font_spec); | |
5151 | scratch_font_spec = Ffont_spec (0, NULL); | |
5152 | staticpro (&scratch_font_prefer); | |
5153 | scratch_font_prefer = Ffont_spec (0, NULL); | |
5154 | ||
d0818984 KH |
5155 | staticpro (&Vfont_log_deferred); |
5156 | Vfont_log_deferred = Fmake_vector (make_number (3), Qnil); | |
5157 | ||
6a3dadd2 | 5158 | #if 0 |
733fd013 KH |
5159 | #ifdef HAVE_LIBOTF |
5160 | staticpro (&otf_list); | |
5161 | otf_list = Qnil; | |
6a3dadd2 KH |
5162 | #endif /* HAVE_LIBOTF */ |
5163 | #endif /* 0 */ | |
733fd013 | 5164 | |
c2f5bfd6 KH |
5165 | defsubr (&Sfontp); |
5166 | defsubr (&Sfont_spec); | |
5167 | defsubr (&Sfont_get); | |
51cf11be | 5168 | #ifdef HAVE_WINDOW_SYSTEM |
b1868a1a | 5169 | defsubr (&Sfont_face_attributes); |
51cf11be | 5170 | #endif |
c2f5bfd6 KH |
5171 | defsubr (&Sfont_put); |
5172 | defsubr (&Slist_fonts); | |
35027d0c | 5173 | defsubr (&Sfont_family_list); |
c2f5bfd6 KH |
5174 | defsubr (&Sfind_font); |
5175 | defsubr (&Sfont_xlfd_name); | |
5176 | defsubr (&Sclear_font_cache); | |
071132a9 | 5177 | defsubr (&Sfont_shape_gstring); |
78a2f9cd | 5178 | defsubr (&Sfont_variation_glyphs); |
6a3dadd2 | 5179 | #if 0 |
733fd013 | 5180 | defsubr (&Sfont_drive_otf); |
e80e09b4 | 5181 | defsubr (&Sfont_otf_alternates); |
6a3dadd2 | 5182 | #endif /* 0 */ |
c2f5bfd6 KH |
5183 | |
5184 | #ifdef FONT_DEBUG | |
5185 | defsubr (&Sopen_font); | |
5186 | defsubr (&Sclose_font); | |
5187 | defsubr (&Squery_font); | |
5188 | defsubr (&Sget_font_glyphs); | |
ec6fe57c | 5189 | defsubr (&Sfont_match_p); |
10d16101 | 5190 | defsubr (&Sfont_at); |
c2f5bfd6 KH |
5191 | #if 0 |
5192 | defsubr (&Sdraw_string); | |
5193 | #endif | |
5194 | #endif /* FONT_DEBUG */ | |
a266686a | 5195 | #ifdef HAVE_WINDOW_SYSTEM |
72606e45 | 5196 | defsubr (&Sfont_info); |
a266686a | 5197 | #endif |
c2f5bfd6 | 5198 | |
819e81df KH |
5199 | DEFVAR_LISP ("font-encoding-alist", &Vfont_encoding_alist, |
5200 | doc: /* | |
5201 | Alist of fontname patterns vs the corresponding encoding and repertory info. | |
5202 | Each element looks like (REGEXP . (ENCODING . REPERTORY)), | |
5203 | where ENCODING is a charset or a char-table, | |
5204 | and REPERTORY is a charset, a char-table, or nil. | |
5205 | ||
027a33c0 | 5206 | If ENCODING and REPERTORY are the same, the element can have the form |
819e81df KH |
5207 | \(REGEXP . ENCODING). |
5208 | ||
5209 | ENCODING is for converting a character to a glyph code of the font. | |
5210 | If ENCODING is a charset, encoding a character by the charset gives | |
5211 | the corresponding glyph code. If ENCODING is a char-table, looking up | |
5212 | the table by a character gives the corresponding glyph code. | |
5213 | ||
5214 | REPERTORY specifies a repertory of characters supported by the font. | |
5215 | If REPERTORY is a charset, all characters beloging to the charset are | |
5216 | supported. If REPERTORY is a char-table, all characters who have a | |
027a33c0 | 5217 | non-nil value in the table are supported. If REPERTORY is nil, Emacs |
819e81df KH |
5218 | gets the repertory information by an opened font and ENCODING. */); |
5219 | Vfont_encoding_alist = Qnil; | |
5220 | ||
d0ab1ebe KH |
5221 | DEFVAR_LISP_NOPRO ("font-weight-table", &Vfont_weight_table, |
5222 | doc: /* Vector of valid font weight values. | |
5223 | Each element has the form: | |
5224 | [NUMERIC-VALUE SYMBOLIC-NAME ALIAS-NAME ...] | |
17ab8f5d | 5225 | NUMERIC-VALUE is an integer, and SYMBOLIC-NAME and ALIAS-NAME are symbols. */); |
d0ab1ebe KH |
5226 | Vfont_weight_table = BUILD_STYLE_TABLE (weight_table); |
5227 | ||
5228 | DEFVAR_LISP_NOPRO ("font-slant-table", &Vfont_slant_table, | |
5229 | doc: /* Vector of font slant symbols vs the corresponding numeric values. | |
17ab8f5d | 5230 | See `font-weight-table' for the format of the vector. */); |
d0ab1ebe KH |
5231 | Vfont_slant_table = BUILD_STYLE_TABLE (slant_table); |
5232 | ||
5233 | DEFVAR_LISP_NOPRO ("font-width-table", &Vfont_width_table, | |
5234 | doc: /* Alist of font width symbols vs the corresponding numeric values. | |
17ab8f5d | 5235 | See `font-weight-table' for the format of the vector. */); |
d0ab1ebe KH |
5236 | Vfont_width_table = BUILD_STYLE_TABLE (width_table); |
5237 | ||
5238 | staticpro (&font_style_table); | |
5239 | font_style_table = Fmake_vector (make_number (3), Qnil); | |
5240 | ASET (font_style_table, 0, Vfont_weight_table); | |
5241 | ASET (font_style_table, 1, Vfont_slant_table); | |
5242 | ASET (font_style_table, 2, Vfont_width_table); | |
5243 | ||
5244 | DEFVAR_LISP ("font-log", &Vfont_log, doc: /* | |
5245 | *Logging list of font related actions and results. | |
5246 | The value t means to suppress the logging. | |
5247 | The initial value is set to nil if the environment variable | |
5248 | EMACS_FONT_LOG is set. Otherwise, it is set to t. */); | |
5249 | Vfont_log = Qnil; | |
5250 | ||
819e81df | 5251 | #ifdef HAVE_WINDOW_SYSTEM |
c2f5bfd6 | 5252 | #ifdef HAVE_FREETYPE |
35027d0c | 5253 | syms_of_ftfont (); |
c2f5bfd6 | 5254 | #ifdef HAVE_X_WINDOWS |
35027d0c KH |
5255 | syms_of_xfont (); |
5256 | syms_of_ftxfont (); | |
c2f5bfd6 | 5257 | #ifdef HAVE_XFT |
35027d0c | 5258 | syms_of_xftfont (); |
c2f5bfd6 KH |
5259 | #endif /* HAVE_XFT */ |
5260 | #endif /* HAVE_X_WINDOWS */ | |
5261 | #else /* not HAVE_FREETYPE */ | |
5262 | #ifdef HAVE_X_WINDOWS | |
35027d0c | 5263 | syms_of_xfont (); |
c2f5bfd6 KH |
5264 | #endif /* HAVE_X_WINDOWS */ |
5265 | #endif /* not HAVE_FREETYPE */ | |
5266 | #ifdef HAVE_BDFFONT | |
35027d0c | 5267 | syms_of_bdffont (); |
c2f5bfd6 KH |
5268 | #endif /* HAVE_BDFFONT */ |
5269 | #ifdef WINDOWSNT | |
35027d0c | 5270 | syms_of_w32font (); |
c2f5bfd6 | 5271 | #endif /* WINDOWSNT */ |
edfda783 AR |
5272 | #ifdef HAVE_NS |
5273 | syms_of_nsfont (); | |
5274 | #endif /* HAVE_NS */ | |
819e81df | 5275 | #endif /* HAVE_WINDOW_SYSTEM */ |
c2f5bfd6 | 5276 | } |
885b7d09 MB |
5277 | |
5278 | /* arch-tag: 74c9475d-5976-4c93-a327-942ae3072846 | |
5279 | (do not change this comment) */ |