Commit | Line | Data |
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c2f5bfd6 | 1 | /* font.c -- "Font" primitives. |
114f9c96 GM |
2 | Copyright (C) 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
3 | Copyright (C) 2006, 2007, 2008, 2009, 2010 | |
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> | |
d7306fe6 | 26 | #include <setjmp.h> |
c2f5bfd6 KH |
27 | |
28 | #include "lisp.h" | |
29 | #include "buffer.h" | |
30 | #include "frame.h" | |
10d16101 | 31 | #include "window.h" |
c2f5bfd6 KH |
32 | #include "dispextern.h" |
33 | #include "charset.h" | |
34 | #include "character.h" | |
35 | #include "composite.h" | |
36 | #include "fontset.h" | |
37 | #include "font.h" | |
38 | ||
43c0454d KH |
39 | #ifdef HAVE_X_WINDOWS |
40 | #include "xterm.h" | |
41 | #endif /* HAVE_X_WINDOWS */ | |
42 | ||
43 | #ifdef HAVE_NTGUI | |
44 | #include "w32term.h" | |
45 | #endif /* HAVE_NTGUI */ | |
46 | ||
edfda783 AR |
47 | #ifdef HAVE_NS |
48 | #include "nsterm.h" | |
49 | #endif /* HAVE_NS */ | |
50 | ||
ed96cde8 AR |
51 | #ifdef HAVE_NS |
52 | extern Lisp_Object Qfontsize; | |
53 | #endif | |
c2f5bfd6 | 54 | |
e0708580 KH |
55 | Lisp_Object Qopentype; |
56 | ||
35027d0c | 57 | /* Important character set strings. */ |
9e1bb909 | 58 | Lisp_Object Qascii_0, Qiso8859_1, Qiso10646_1, Qunicode_bmp, Qunicode_sip; |
1bb1d99b | 59 | |
edfda783 | 60 | #define DEFAULT_ENCODING Qiso8859_1 |
edfda783 | 61 | |
071132a9 KH |
62 | /* Unicode category `Cf'. */ |
63 | static Lisp_Object QCf; | |
64 | ||
c2f5bfd6 KH |
65 | /* Special vector of zero length. This is repeatedly used by (struct |
66 | font_driver *)->list when a specified font is not found. */ | |
35027d0c | 67 | static Lisp_Object null_vector; |
c2f5bfd6 | 68 | |
d0ab1ebe KH |
69 | static Lisp_Object Vfont_weight_table, Vfont_slant_table, Vfont_width_table; |
70 | ||
71 | /* Vector of Vfont_weight_table, Vfont_slant_table, and Vfont_width_table. */ | |
c2f5bfd6 KH |
72 | static Lisp_Object font_style_table; |
73 | ||
d0ab1ebe KH |
74 | /* Structure used for tables mapping weight, slant, and width numeric |
75 | values and their names. */ | |
76 | ||
77 | struct table_entry | |
78 | { | |
79 | int numeric; | |
80 | /* The first one is a valid name as a face attribute. | |
81 | The second one (if any) is a typical name in XLFD field. */ | |
5e2327cf | 82 | const char *names[5]; |
d0ab1ebe KH |
83 | }; |
84 | ||
85 | /* Table of weight numeric values and their names. This table must be | |
86 | sorted by numeric values in ascending order. */ | |
87 | ||
5e2327cf | 88 | static const struct table_entry weight_table[] = |
d0ab1ebe KH |
89 | { |
90 | { 0, { "thin" }}, | |
91 | { 20, { "ultra-light", "ultralight" }}, | |
92 | { 40, { "extra-light", "extralight" }}, | |
93 | { 50, { "light" }}, | |
94 | { 75, { "semi-light", "semilight", "demilight", "book" }}, | |
c2694a06 | 95 | { 100, { "normal", "medium", "regular", "unspecified" }}, |
d0ab1ebe KH |
96 | { 180, { "semi-bold", "semibold", "demibold", "demi" }}, |
97 | { 200, { "bold" }}, | |
98 | { 205, { "extra-bold", "extrabold" }}, | |
99 | { 210, { "ultra-bold", "ultrabold", "black" }} | |
100 | }; | |
101 | ||
102 | /* Table of slant numeric values and their names. This table must be | |
103 | sorted by numeric values in ascending order. */ | |
104 | ||
5e2327cf | 105 | static const struct table_entry slant_table[] = |
d0ab1ebe KH |
106 | { |
107 | { 0, { "reverse-oblique", "ro" }}, | |
108 | { 10, { "reverse-italic", "ri" }}, | |
c2694a06 | 109 | { 100, { "normal", "r", "unspecified" }}, |
d0ab1ebe KH |
110 | { 200, { "italic" ,"i", "ot" }}, |
111 | { 210, { "oblique", "o" }} | |
112 | }; | |
113 | ||
114 | /* Table of width numeric values and their names. This table must be | |
115 | sorted by numeric values in ascending order. */ | |
116 | ||
5e2327cf | 117 | static const struct table_entry width_table[] = |
d0ab1ebe KH |
118 | { |
119 | { 50, { "ultra-condensed", "ultracondensed" }}, | |
120 | { 63, { "extra-condensed", "extracondensed" }}, | |
121 | { 75, { "condensed", "compressed", "narrow" }}, | |
122 | { 87, { "semi-condensed", "semicondensed", "demicondensed" }}, | |
c2694a06 | 123 | { 100, { "normal", "medium", "regular", "unspecified" }}, |
d0ab1ebe KH |
124 | { 113, { "semi-expanded", "semiexpanded", "demiexpanded" }}, |
125 | { 125, { "expanded" }}, | |
126 | { 150, { "extra-expanded", "extraexpanded" }}, | |
127 | { 200, { "ultra-expanded", "ultraexpanded", "wide" }} | |
128 | }; | |
129 | ||
35027d0c | 130 | extern Lisp_Object Qnormal; |
c2f5bfd6 KH |
131 | |
132 | /* Symbols representing keys of normal font properties. */ | |
b1868a1a CY |
133 | extern Lisp_Object QCtype, QCfamily, QCweight, QCslant, QCwidth; |
134 | extern Lisp_Object QCheight, QCsize, QCname; | |
135 | ||
35027d0c | 136 | Lisp_Object QCfoundry, QCadstyle, QCregistry; |
c2f5bfd6 | 137 | /* Symbols representing keys of font extra info. */ |
35027d0c KH |
138 | Lisp_Object QCspacing, QCdpi, QCscalable, QCotf, QClang, QCscript, QCavgwidth; |
139 | Lisp_Object QCantialias, QCfont_entity, QCfc_unknown_spec; | |
ec6fe57c KH |
140 | /* Symbols representing values of font spacing property. */ |
141 | Lisp_Object Qc, Qm, Qp, Qd; | |
cf702558 CY |
142 | /* Special ADSTYLE properties to avoid fonts used for Latin |
143 | characters; used in xfont.c and ftfont.c. */ | |
144 | Lisp_Object Qja, Qko; | |
c2f5bfd6 | 145 | |
42707278 JD |
146 | Lisp_Object QCuser_spec; |
147 | ||
819e81df KH |
148 | Lisp_Object Vfont_encoding_alist; |
149 | ||
1701724c KH |
150 | /* Alist of font registry symbol and the corresponding charsets |
151 | information. The information is retrieved from | |
152 | Vfont_encoding_alist on demand. | |
153 | ||
154 | Eash element has the form: | |
155 | (REGISTRY . (ENCODING-CHARSET-ID . REPERTORY-CHARSET-ID)) | |
156 | or | |
157 | (REGISTRY . nil) | |
158 | ||
159 | In the former form, ENCODING-CHARSET-ID is an ID of a charset that | |
160 | encodes a character code to a glyph code of a font, and | |
161 | REPERTORY-CHARSET-ID is an ID of a charset that tells if a | |
162 | character is supported by a font. | |
163 | ||
164 | The latter form means that the information for REGISTRY couldn't be | |
165 | retrieved. */ | |
166 | static Lisp_Object font_charset_alist; | |
167 | ||
f697fff0 KH |
168 | /* List of all font drivers. Each font-backend (XXXfont.c) calls |
169 | register_font_driver in syms_of_XXXfont to register its font-driver | |
c2f5bfd6 KH |
170 | here. */ |
171 | static struct font_driver_list *font_driver_list; | |
172 | ||
35027d0c KH |
173 | \f |
174 | ||
175 | /* Creaters of font-related Lisp object. */ | |
176 | ||
177 | Lisp_Object | |
971de7fb | 178 | font_make_spec (void) |
35027d0c KH |
179 | { |
180 | Lisp_Object font_spec; | |
181 | struct font_spec *spec | |
182 | = ((struct font_spec *) | |
183 | allocate_pseudovector (VECSIZE (struct font_spec), | |
184 | FONT_SPEC_MAX, PVEC_FONT)); | |
185 | XSETFONT (font_spec, spec); | |
186 | return font_spec; | |
187 | } | |
188 | ||
189 | Lisp_Object | |
971de7fb | 190 | font_make_entity (void) |
35027d0c KH |
191 | { |
192 | Lisp_Object font_entity; | |
193 | struct font_entity *entity | |
194 | = ((struct font_entity *) | |
195 | allocate_pseudovector (VECSIZE (struct font_entity), | |
196 | FONT_ENTITY_MAX, PVEC_FONT)); | |
197 | XSETFONT (font_entity, entity); | |
198 | return font_entity; | |
199 | } | |
200 | ||
51c13510 KH |
201 | /* Create a font-object whose structure size is SIZE. If ENTITY is |
202 | not nil, copy properties from ENTITY to the font-object. If | |
203 | PIXELSIZE is positive, set the `size' property to PIXELSIZE. */ | |
35027d0c | 204 | Lisp_Object |
971de7fb | 205 | font_make_object (int size, Lisp_Object entity, int pixelsize) |
35027d0c KH |
206 | { |
207 | Lisp_Object font_object; | |
208 | struct font *font | |
209 | = (struct font *) allocate_pseudovector (size, FONT_OBJECT_MAX, PVEC_FONT); | |
51c13510 KH |
210 | int i; |
211 | ||
35027d0c KH |
212 | XSETFONT (font_object, font); |
213 | ||
51c13510 KH |
214 | if (! NILP (entity)) |
215 | { | |
216 | for (i = 1; i < FONT_SPEC_MAX; i++) | |
217 | font->props[i] = AREF (entity, i); | |
218 | if (! NILP (AREF (entity, FONT_EXTRA_INDEX))) | |
219 | font->props[FONT_EXTRA_INDEX] | |
581e51e8 | 220 | = Fcopy_alist (AREF (entity, FONT_EXTRA_INDEX)); |
51c13510 KH |
221 | } |
222 | if (size > 0) | |
223 | font->props[FONT_SIZE_INDEX] = make_number (pixelsize); | |
35027d0c KH |
224 | return font_object; |
225 | } | |
226 | ||
227 | \f | |
228 | ||
f57e2426 J |
229 | static int font_pixel_size (FRAME_PTR f, Lisp_Object); |
230 | static Lisp_Object font_open_entity (FRAME_PTR, Lisp_Object, int); | |
231 | static Lisp_Object font_matching_entity (FRAME_PTR, Lisp_Object *, | |
232 | Lisp_Object); | |
c2f5bfd6 KH |
233 | |
234 | /* Number of registered font drivers. */ | |
235 | static int num_font_drivers; | |
236 | ||
35027d0c KH |
237 | |
238 | /* Return a Lispy value of a font property value at STR and LEN bytes. | |
239 | If STR is "*", it returns nil. | |
2f286d4f KH |
240 | If FORCE_SYMBOL is zero and all characters in STR are digits, it |
241 | returns an integer. Otherwise, it returns a symbol interned from | |
242 | STR. */ | |
35027d0c KH |
243 | |
244 | Lisp_Object | |
971de7fb | 245 | font_intern_prop (char *str, int len, int force_symbol) |
35027d0c KH |
246 | { |
247 | int i; | |
d0ab1ebe | 248 | Lisp_Object tem; |
35027d0c | 249 | Lisp_Object obarray; |
545312c2 | 250 | int nbytes, nchars; |
35027d0c KH |
251 | |
252 | if (len == 1 && *str == '*') | |
253 | return Qnil; | |
2f286d4f | 254 | if (!force_symbol && len >=1 && isdigit (*str)) |
35027d0c KH |
255 | { |
256 | for (i = 1; i < len; i++) | |
257 | if (! isdigit (str[i])) | |
258 | break; | |
259 | if (i == len) | |
260 | return make_number (atoi (str)); | |
261 | } | |
262 | ||
545312c2 KH |
263 | /* The following code is copied from the function intern (in |
264 | lread.c), and modified to suite our purpose. */ | |
35027d0c KH |
265 | obarray = Vobarray; |
266 | if (!VECTORP (obarray) || XVECTOR (obarray)->size == 0) | |
267 | obarray = check_obarray (obarray); | |
72d36834 | 268 | parse_str_as_multibyte ((unsigned char *) str, len, &nchars, &nbytes); |
545312c2 KH |
269 | if (len == nchars || len != nbytes) |
270 | /* CONTENTS contains no multibyte sequences or contains an invalid | |
271 | multibyte sequence. We'll make a unibyte string. */ | |
272 | tem = oblookup (obarray, str, len, len); | |
273 | else | |
274 | tem = oblookup (obarray, str, nchars, len); | |
35027d0c KH |
275 | if (SYMBOLP (tem)) |
276 | return tem; | |
545312c2 KH |
277 | if (len == nchars || len != nbytes) |
278 | tem = make_unibyte_string (str, len); | |
279 | else | |
280 | tem = make_multibyte_string (str, nchars, len); | |
281 | return Fintern (tem, obarray); | |
35027d0c KH |
282 | } |
283 | ||
9331887d | 284 | /* Return a pixel size of font-spec SPEC on frame F. */ |
ec6fe57c | 285 | |
9331887d | 286 | static int |
971de7fb | 287 | font_pixel_size (FRAME_PTR f, Lisp_Object spec) |
9331887d | 288 | { |
819e81df | 289 | #ifdef HAVE_WINDOW_SYSTEM |
9331887d KH |
290 | Lisp_Object size = AREF (spec, FONT_SIZE_INDEX); |
291 | double point_size; | |
35027d0c | 292 | int dpi, pixel_size; |
d0ab1ebe | 293 | Lisp_Object val; |
51c01100 | 294 | |
9331887d KH |
295 | if (INTEGERP (size)) |
296 | return XINT (size); | |
297 | if (NILP (size)) | |
819e81df | 298 | return 0; |
d0ab1ebe | 299 | font_assert (FLOATP (size)); |
9331887d | 300 | point_size = XFLOAT_DATA (size); |
35027d0c KH |
301 | val = AREF (spec, FONT_DPI_INDEX); |
302 | if (INTEGERP (val)) | |
17e28f6d | 303 | dpi = XINT (val); |
9331887d KH |
304 | else |
305 | dpi = f->resy; | |
306 | pixel_size = POINT_TO_PIXEL (point_size, dpi); | |
307 | return pixel_size; | |
819e81df KH |
308 | #else |
309 | return 1; | |
310 | #endif | |
9331887d KH |
311 | } |
312 | ||
c2f5bfd6 | 313 | |
35027d0c KH |
314 | /* Return a value of PROP's VAL (symbol or integer) to be stored in a |
315 | font vector. If VAL is not valid (i.e. not registered in | |
316 | font_style_table), return -1 if NOERROR is zero, and return a | |
317 | proper index if NOERROR is nonzero. In that case, register VAL in | |
318 | font_style_table if VAL is a symbol, and return a closest index if | |
319 | VAL is an integer. */ | |
c2f5bfd6 | 320 | |
35027d0c | 321 | int |
971de7fb | 322 | font_style_to_value (enum font_property_index prop, Lisp_Object val, int noerror) |
c2f5bfd6 | 323 | { |
35027d0c KH |
324 | Lisp_Object table = AREF (font_style_table, prop - FONT_WEIGHT_INDEX); |
325 | int len = ASIZE (table); | |
d0ab1ebe | 326 | int i, j; |
c2f5bfd6 | 327 | |
35027d0c | 328 | if (SYMBOLP (val)) |
c2f5bfd6 | 329 | { |
72606e45 | 330 | unsigned char *s; |
35027d0c KH |
331 | Lisp_Object args[2], elt; |
332 | ||
333 | /* At first try exact match. */ | |
334 | for (i = 0; i < len; i++) | |
d0ab1ebe KH |
335 | for (j = 1; j < ASIZE (AREF (table, i)); j++) |
336 | if (EQ (val, AREF (AREF (table, i), j))) | |
337 | return ((XINT (AREF (AREF (table, i), 0)) << 8) | |
338 | | (i << 4) | (j - 1)); | |
35027d0c | 339 | /* Try also with case-folding match. */ |
72606e45 | 340 | s = SDATA (SYMBOL_NAME (val)); |
35027d0c | 341 | for (i = 0; i < len; i++) |
d0ab1ebe KH |
342 | for (j = 1; j < ASIZE (AREF (table, i)); j++) |
343 | { | |
344 | elt = AREF (AREF (table, i), j); | |
72606e45 | 345 | if (xstrcasecmp (s, SDATA (SYMBOL_NAME (elt))) == 0) |
d0ab1ebe KH |
346 | return ((XINT (AREF (AREF (table, i), 0)) << 8) |
347 | | (i << 4) | (j - 1)); | |
348 | } | |
35027d0c KH |
349 | if (! noerror) |
350 | return -1; | |
351 | if (len == 255) | |
352 | abort (); | |
c2694a06 | 353 | elt = Fmake_vector (make_number (2), make_number (100)); |
d0ab1ebe | 354 | ASET (elt, 1, val); |
35027d0c | 355 | args[0] = table; |
d0ab1ebe | 356 | args[1] = Fmake_vector (make_number (1), elt); |
35027d0c | 357 | ASET (font_style_table, prop - FONT_WEIGHT_INDEX, Fvconcat (2, args)); |
c2694a06 | 358 | return (100 << 8) | (i << 4); |
c2f5bfd6 | 359 | } |
35027d0c KH |
360 | else |
361 | { | |
d0ab1ebe | 362 | int i, last_n; |
35027d0c | 363 | int numeric = XINT (val); |
c2f5bfd6 | 364 | |
d0ab1ebe | 365 | for (i = 0, last_n = -1; i < len; i++) |
35027d0c | 366 | { |
d0ab1ebe | 367 | int n = XINT (AREF (AREF (table, i), 0)); |
c2f5bfd6 | 368 | |
35027d0c | 369 | if (numeric == n) |
d0ab1ebe | 370 | return (n << 8) | (i << 4); |
35027d0c KH |
371 | if (numeric < n) |
372 | { | |
373 | if (! noerror) | |
374 | return -1; | |
d0ab1ebe KH |
375 | return ((i == 0 || n - numeric < numeric - last_n) |
376 | ? (n << 8) | (i << 4): (last_n << 8 | ((i - 1) << 4))); | |
35027d0c | 377 | } |
35027d0c | 378 | last_n = n; |
35027d0c KH |
379 | } |
380 | if (! noerror) | |
381 | return -1; | |
d0ab1ebe | 382 | return ((last_n << 8) | ((i - 1) << 4)); |
35027d0c KH |
383 | } |
384 | } | |
c2f5bfd6 KH |
385 | |
386 | Lisp_Object | |
971de7fb | 387 | font_style_symbolic (Lisp_Object font, enum font_property_index prop, int for_face) |
c2f5bfd6 | 388 | { |
3ef8c1b4 | 389 | Lisp_Object val = AREF (font, prop); |
d0ab1ebe KH |
390 | Lisp_Object table, elt; |
391 | int i; | |
c2f5bfd6 | 392 | |
35027d0c KH |
393 | if (NILP (val)) |
394 | return Qnil; | |
395 | table = AREF (font_style_table, prop - FONT_WEIGHT_INDEX); | |
d0ab1ebe KH |
396 | i = XINT (val) & 0xFF; |
397 | font_assert (((i >> 4) & 0xF) < ASIZE (table)); | |
398 | elt = AREF (table, ((i >> 4) & 0xF)); | |
399 | font_assert ((i & 0xF) + 1 < ASIZE (elt)); | |
ba3de0e8 | 400 | return (for_face ? AREF (elt, 1) : AREF (elt, (i & 0xF) + 1)); |
6fe9826d JR |
401 | } |
402 | ||
c2f5bfd6 KH |
403 | extern Lisp_Object Vface_alternative_font_family_alist; |
404 | ||
f57e2426 | 405 | extern Lisp_Object find_font_encoding (Lisp_Object); |
1701724c | 406 | |
35027d0c | 407 | |
819e81df KH |
408 | /* Return ENCODING or a cons of ENCODING and REPERTORY of the font |
409 | FONTNAME. ENCODING is a charset symbol that specifies the encoding | |
410 | of the font. REPERTORY is a charset symbol or nil. */ | |
411 | ||
412 | Lisp_Object | |
971de7fb | 413 | find_font_encoding (Lisp_Object fontname) |
819e81df KH |
414 | { |
415 | Lisp_Object tail, elt; | |
416 | ||
417 | for (tail = Vfont_encoding_alist; CONSP (tail); tail = XCDR (tail)) | |
418 | { | |
419 | elt = XCAR (tail); | |
420 | if (CONSP (elt) | |
421 | && STRINGP (XCAR (elt)) | |
422 | && fast_string_match_ignore_case (XCAR (elt), fontname) >= 0 | |
423 | && (SYMBOLP (XCDR (elt)) | |
424 | ? CHARSETP (XCDR (elt)) | |
425 | : CONSP (XCDR (elt)) && CHARSETP (XCAR (XCDR (elt))))) | |
426 | return (XCDR (elt)); | |
427 | } | |
182ba28c | 428 | return Qnil; |
819e81df KH |
429 | } |
430 | ||
1701724c KH |
431 | /* Return encoding charset and repertory charset for REGISTRY in |
432 | ENCODING and REPERTORY correspondingly. If correct information for | |
433 | REGISTRY is available, return 0. Otherwise return -1. */ | |
434 | ||
435 | int | |
971de7fb | 436 | font_registry_charsets (Lisp_Object registry, struct charset **encoding, struct charset **repertory) |
1701724c KH |
437 | { |
438 | Lisp_Object val; | |
439 | int encoding_id, repertory_id; | |
440 | ||
35027d0c | 441 | val = Fassoc_string (registry, font_charset_alist, Qt); |
1701724c KH |
442 | if (! NILP (val)) |
443 | { | |
444 | val = XCDR (val); | |
445 | if (NILP (val)) | |
446 | return -1; | |
447 | encoding_id = XINT (XCAR (val)); | |
448 | repertory_id = XINT (XCDR (val)); | |
449 | } | |
450 | else | |
451 | { | |
452 | val = find_font_encoding (SYMBOL_NAME (registry)); | |
453 | if (SYMBOLP (val) && CHARSETP (val)) | |
454 | { | |
455 | encoding_id = repertory_id = XINT (CHARSET_SYMBOL_ID (val)); | |
456 | } | |
457 | else if (CONSP (val)) | |
458 | { | |
459 | if (! CHARSETP (XCAR (val))) | |
460 | goto invalid_entry; | |
461 | encoding_id = XINT (CHARSET_SYMBOL_ID (XCAR (val))); | |
462 | if (NILP (XCDR (val))) | |
463 | repertory_id = -1; | |
464 | else | |
465 | { | |
466 | if (! CHARSETP (XCDR (val))) | |
467 | goto invalid_entry; | |
468 | repertory_id = XINT (CHARSET_SYMBOL_ID (XCDR (val))); | |
469 | } | |
51c01100 | 470 | } |
1701724c KH |
471 | else |
472 | goto invalid_entry; | |
473 | val = Fcons (make_number (encoding_id), make_number (repertory_id)); | |
474 | font_charset_alist | |
475 | = nconc2 (font_charset_alist, Fcons (Fcons (registry, val), Qnil)); | |
476 | } | |
477 | ||
478 | if (encoding) | |
479 | *encoding = CHARSET_FROM_ID (encoding_id); | |
480 | if (repertory) | |
481 | *repertory = repertory_id >= 0 ? CHARSET_FROM_ID (repertory_id) : NULL; | |
482 | return 0; | |
483 | ||
484 | invalid_entry: | |
485 | font_charset_alist | |
486 | = nconc2 (font_charset_alist, Fcons (Fcons (registry, Qnil), Qnil)); | |
487 | return -1; | |
488 | } | |
489 | ||
c2f5bfd6 | 490 | \f |
45eb10fb KH |
491 | /* Font property value validaters. See the comment of |
492 | font_property_table for the meaning of the arguments. */ | |
493 | ||
f57e2426 J |
494 | static Lisp_Object font_prop_validate (int, Lisp_Object, Lisp_Object); |
495 | static Lisp_Object font_prop_validate_symbol (Lisp_Object, Lisp_Object); | |
496 | static Lisp_Object font_prop_validate_style (Lisp_Object, Lisp_Object); | |
497 | static Lisp_Object font_prop_validate_non_neg (Lisp_Object, Lisp_Object); | |
498 | static Lisp_Object font_prop_validate_spacing (Lisp_Object, Lisp_Object); | |
499 | static int get_font_prop_index (Lisp_Object); | |
c2f5bfd6 KH |
500 | |
501 | static Lisp_Object | |
971de7fb | 502 | font_prop_validate_symbol (Lisp_Object prop, Lisp_Object val) |
c2f5bfd6 KH |
503 | { |
504 | if (STRINGP (val)) | |
35027d0c KH |
505 | val = Fintern (val, Qnil); |
506 | if (! SYMBOLP (val)) | |
c2f5bfd6 | 507 | val = Qerror; |
35027d0c KH |
508 | else if (EQ (prop, QCregistry)) |
509 | val = Fintern (Fdowncase (SYMBOL_NAME (val)), Qnil); | |
c2f5bfd6 KH |
510 | return val; |
511 | } | |
512 | ||
35027d0c | 513 | |
c2f5bfd6 | 514 | static Lisp_Object |
971de7fb | 515 | font_prop_validate_style (Lisp_Object style, Lisp_Object val) |
c2f5bfd6 | 516 | { |
35027d0c KH |
517 | enum font_property_index prop = (EQ (style, QCweight) ? FONT_WEIGHT_INDEX |
518 | : EQ (style, QCslant) ? FONT_SLANT_INDEX | |
519 | : FONT_WIDTH_INDEX); | |
520 | int n; | |
521 | if (INTEGERP (val)) | |
c2f5bfd6 | 522 | { |
35027d0c | 523 | n = XINT (val); |
64b900e3 | 524 | if (((n >> 4) & 0xF) |
35027d0c | 525 | >= ASIZE (AREF (font_style_table, prop - FONT_WEIGHT_INDEX))) |
c2f5bfd6 KH |
526 | val = Qerror; |
527 | else | |
528 | { | |
64b900e3 KH |
529 | Lisp_Object elt = AREF (AREF (font_style_table, prop - FONT_WEIGHT_INDEX), (n >> 4) & 0xF); |
530 | ||
531 | if ((n & 0xF) + 1 >= ASIZE (elt)) | |
532 | val = Qerror; | |
533 | else if (XINT (AREF (elt, 0)) != (n >> 8)) | |
c2f5bfd6 KH |
534 | val = Qerror; |
535 | } | |
536 | } | |
35027d0c KH |
537 | else if (SYMBOLP (val)) |
538 | { | |
539 | int n = font_style_to_value (prop, val, 0); | |
540 | ||
541 | val = n >= 0 ? make_number (n) : Qerror; | |
542 | } | |
543 | else | |
544 | val = Qerror; | |
c2f5bfd6 KH |
545 | return val; |
546 | } | |
547 | ||
548 | static Lisp_Object | |
971de7fb | 549 | font_prop_validate_non_neg (Lisp_Object prop, Lisp_Object val) |
c2f5bfd6 KH |
550 | { |
551 | return (NATNUMP (val) || (FLOATP (val) && XFLOAT_DATA (val) >= 0) | |
552 | ? val : Qerror); | |
553 | } | |
554 | ||
555 | static Lisp_Object | |
971de7fb | 556 | font_prop_validate_spacing (Lisp_Object prop, Lisp_Object val) |
ec6fe57c KH |
557 | { |
558 | if (NILP (val) || (NATNUMP (val) && XINT (val) <= FONT_SPACING_CHARCELL)) | |
559 | return val; | |
3692570f KH |
560 | if (SYMBOLP (val) && SBYTES (SYMBOL_NAME (val)) == 1) |
561 | { | |
562 | char spacing = SDATA (SYMBOL_NAME (val))[0]; | |
563 | ||
564 | if (spacing == 'c' || spacing == 'C') | |
565 | return make_number (FONT_SPACING_CHARCELL); | |
566 | if (spacing == 'm' || spacing == 'M') | |
567 | return make_number (FONT_SPACING_MONO); | |
0615d903 | 568 | if (spacing == 'p' || spacing == 'P') |
3692570f KH |
569 | return make_number (FONT_SPACING_PROPORTIONAL); |
570 | if (spacing == 'd' || spacing == 'D') | |
571 | return make_number (FONT_SPACING_DUAL); | |
572 | } | |
ec6fe57c KH |
573 | return Qerror; |
574 | } | |
575 | ||
1701724c | 576 | static Lisp_Object |
971de7fb | 577 | font_prop_validate_otf (Lisp_Object prop, Lisp_Object val) |
1701724c KH |
578 | { |
579 | Lisp_Object tail, tmp; | |
580 | int i; | |
581 | ||
582 | /* VAL = (SCRIPT [ LANGSYS [ GSUB-FEATURES [ GPOS-FEATURES ]]]) | |
583 | GSUB-FEATURES = (FEATURE ... [ nil FEATURE ... ]) | nil | |
584 | GPOS-FEATURES = (FEATURE ... [ nil FEATURE ... ]) | nil */ | |
585 | if (! CONSP (val)) | |
586 | return Qerror; | |
587 | if (! SYMBOLP (XCAR (val))) | |
588 | return Qerror; | |
589 | tail = XCDR (val); | |
590 | if (NILP (tail)) | |
591 | return val; | |
592 | if (! CONSP (tail) || ! SYMBOLP (XCAR (val))) | |
593 | return Qerror; | |
594 | for (i = 0; i < 2; i++) | |
595 | { | |
596 | tail = XCDR (tail); | |
597 | if (NILP (tail)) | |
598 | return val; | |
599 | if (! CONSP (tail)) | |
600 | return Qerror; | |
601 | for (tmp = XCAR (tail); CONSP (tmp); tmp = XCDR (tmp)) | |
602 | if (! SYMBOLP (XCAR (tmp))) | |
603 | return Qerror; | |
604 | if (! NILP (tmp)) | |
605 | return Qerror; | |
606 | } | |
607 | return val; | |
608 | } | |
609 | ||
ec6fe57c KH |
610 | /* Structure of known font property keys and validater of the |
611 | values. */ | |
c2f5bfd6 KH |
612 | struct |
613 | { | |
ec6fe57c | 614 | /* Pointer to the key symbol. */ |
c2f5bfd6 | 615 | Lisp_Object *key; |
45eb10fb KH |
616 | /* Function to validate PROP's value VAL, or NULL if any value is |
617 | ok. The value is VAL or its regularized value if VAL is valid, | |
618 | and Qerror if not. */ | |
f57e2426 | 619 | Lisp_Object (*validater) (Lisp_Object prop, Lisp_Object val); |
ec6fe57c KH |
620 | } font_property_table[] = |
621 | { { &QCtype, font_prop_validate_symbol }, | |
c2f5bfd6 KH |
622 | { &QCfoundry, font_prop_validate_symbol }, |
623 | { &QCfamily, font_prop_validate_symbol }, | |
624 | { &QCadstyle, font_prop_validate_symbol }, | |
625 | { &QCregistry, font_prop_validate_symbol }, | |
626 | { &QCweight, font_prop_validate_style }, | |
627 | { &QCslant, font_prop_validate_style }, | |
628 | { &QCwidth, font_prop_validate_style }, | |
ec6fe57c | 629 | { &QCsize, font_prop_validate_non_neg }, |
ec6fe57c KH |
630 | { &QCdpi, font_prop_validate_non_neg }, |
631 | { &QCspacing, font_prop_validate_spacing }, | |
35027d0c KH |
632 | { &QCavgwidth, font_prop_validate_non_neg }, |
633 | /* The order of the above entries must match with enum | |
634 | font_property_index. */ | |
635 | { &QClang, font_prop_validate_symbol }, | |
636 | { &QCscript, font_prop_validate_symbol }, | |
637 | { &QCotf, font_prop_validate_otf } | |
c2f5bfd6 KH |
638 | }; |
639 | ||
45eb10fb | 640 | /* Size (number of elements) of the above table. */ |
ec6fe57c KH |
641 | #define FONT_PROPERTY_TABLE_SIZE \ |
642 | ((sizeof font_property_table) / (sizeof *font_property_table)) | |
643 | ||
45eb10fb | 644 | /* Return an index number of font property KEY or -1 if KEY is not an |
35027d0c | 645 | already known property. */ |
45eb10fb | 646 | |
ec6fe57c | 647 | static int |
971de7fb | 648 | get_font_prop_index (Lisp_Object key) |
c2f5bfd6 | 649 | { |
35027d0c KH |
650 | int i; |
651 | ||
652 | for (i = 0; i < FONT_PROPERTY_TABLE_SIZE; i++) | |
653 | if (EQ (key, *font_property_table[i].key)) | |
654 | return i; | |
ec6fe57c | 655 | return -1; |
c2f5bfd6 KH |
656 | } |
657 | ||
35027d0c KH |
658 | /* Validate the font property. The property key is specified by the |
659 | symbol PROP, or the index IDX (if PROP is nil). If VAL is invalid, | |
660 | signal an error. The value is VAL or the regularized one. */ | |
45eb10fb | 661 | |
c2f5bfd6 | 662 | static Lisp_Object |
971de7fb | 663 | font_prop_validate (int idx, Lisp_Object prop, Lisp_Object val) |
c2f5bfd6 | 664 | { |
35027d0c | 665 | Lisp_Object validated; |
c2f5bfd6 | 666 | |
1f09f444 KH |
667 | if (NILP (val)) |
668 | return val; | |
35027d0c KH |
669 | if (NILP (prop)) |
670 | prop = *font_property_table[idx].key; | |
671 | else | |
ec6fe57c | 672 | { |
35027d0c KH |
673 | idx = get_font_prop_index (prop); |
674 | if (idx < 0) | |
675 | return val; | |
ec6fe57c | 676 | } |
35027d0c KH |
677 | validated = (font_property_table[idx].validater) (prop, val); |
678 | if (EQ (validated, Qerror)) | |
679 | signal_error ("invalid font property", Fcons (prop, val)); | |
680 | return validated; | |
c2f5bfd6 | 681 | } |
51c01100 | 682 | |
35027d0c KH |
683 | |
684 | /* Store VAL as a value of extra font property PROP in FONT while | |
685 | keeping the sorting order. Don't check the validity of VAL. */ | |
45eb10fb | 686 | |
01dbeb0b | 687 | Lisp_Object |
971de7fb | 688 | font_put_extra (Lisp_Object font, Lisp_Object prop, Lisp_Object val) |
9331887d KH |
689 | { |
690 | Lisp_Object extra = AREF (font, FONT_EXTRA_INDEX); | |
ec6fe57c | 691 | Lisp_Object slot = (NILP (extra) ? Qnil : assq_no_quit (prop, extra)); |
9331887d KH |
692 | |
693 | if (NILP (slot)) | |
694 | { | |
35027d0c KH |
695 | Lisp_Object prev = Qnil; |
696 | ||
697 | while (CONSP (extra) | |
698 | && NILP (Fstring_lessp (prop, XCAR (XCAR (extra))))) | |
699 | prev = extra, extra = XCDR (extra); | |
581e51e8 | 700 | |
ce75f06e | 701 | if (NILP (prev)) |
581e51e8 | 702 | ASET (font, FONT_EXTRA_INDEX, Fcons (Fcons (prop, val), extra)); |
ce75f06e | 703 | else |
581e51e8 | 704 | XSETCDR (prev, Fcons (Fcons (prop, val), extra)); |
ce75f06e | 705 | |
ec6fe57c | 706 | return val; |
9331887d | 707 | } |
9331887d | 708 | XSETCDR (slot, val); |
483670b5 KH |
709 | if (NILP (val)) |
710 | ASET (font, FONT_EXTRA_INDEX, Fdelq (slot, extra)); | |
ec6fe57c | 711 | return val; |
9331887d KH |
712 | } |
713 | ||
c2f5bfd6 KH |
714 | \f |
715 | /* Font name parser and unparser */ | |
716 | ||
f57e2426 J |
717 | static int parse_matrix (char *); |
718 | static int font_expand_wildcards (Lisp_Object *, int); | |
719 | static int font_parse_name (char *, Lisp_Object); | |
c2f5bfd6 | 720 | |
ec6fe57c | 721 | /* An enumerator for each field of an XLFD font name. */ |
c2f5bfd6 KH |
722 | enum xlfd_field_index |
723 | { | |
724 | XLFD_FOUNDRY_INDEX, | |
725 | XLFD_FAMILY_INDEX, | |
726 | XLFD_WEIGHT_INDEX, | |
727 | XLFD_SLANT_INDEX, | |
728 | XLFD_SWIDTH_INDEX, | |
729 | XLFD_ADSTYLE_INDEX, | |
4485a28e KH |
730 | XLFD_PIXEL_INDEX, |
731 | XLFD_POINT_INDEX, | |
c2f5bfd6 KH |
732 | XLFD_RESX_INDEX, |
733 | XLFD_RESY_INDEX, | |
734 | XLFD_SPACING_INDEX, | |
735 | XLFD_AVGWIDTH_INDEX, | |
736 | XLFD_REGISTRY_INDEX, | |
737 | XLFD_ENCODING_INDEX, | |
738 | XLFD_LAST_INDEX | |
739 | }; | |
740 | ||
ec6fe57c | 741 | /* An enumerator for mask bit corresponding to each XLFD field. */ |
4485a28e KH |
742 | enum xlfd_field_mask |
743 | { | |
744 | XLFD_FOUNDRY_MASK = 0x0001, | |
745 | XLFD_FAMILY_MASK = 0x0002, | |
746 | XLFD_WEIGHT_MASK = 0x0004, | |
747 | XLFD_SLANT_MASK = 0x0008, | |
748 | XLFD_SWIDTH_MASK = 0x0010, | |
749 | XLFD_ADSTYLE_MASK = 0x0020, | |
750 | XLFD_PIXEL_MASK = 0x0040, | |
751 | XLFD_POINT_MASK = 0x0080, | |
752 | XLFD_RESX_MASK = 0x0100, | |
753 | XLFD_RESY_MASK = 0x0200, | |
754 | XLFD_SPACING_MASK = 0x0400, | |
755 | XLFD_AVGWIDTH_MASK = 0x0800, | |
756 | XLFD_REGISTRY_MASK = 0x1000, | |
757 | XLFD_ENCODING_MASK = 0x2000 | |
758 | }; | |
759 | ||
760 | ||
c2f5bfd6 KH |
761 | /* Parse P pointing the pixel/point size field of the form |
762 | `[A B C D]' which specifies a transformation matrix: | |
763 | ||
764 | A B 0 | |
765 | C D 0 | |
766 | 0 0 1 | |
767 | ||
768 | by which all glyphs of the font are transformed. The spec says | |
769 | that scalar value N for the pixel/point size is equivalent to: | |
770 | A = N * resx/resy, B = C = 0, D = N. | |
771 | ||
772 | Return the scalar value N if the form is valid. Otherwise return | |
773 | -1. */ | |
774 | ||
775 | static int | |
971de7fb | 776 | parse_matrix (char *p) |
c2f5bfd6 KH |
777 | { |
778 | double matrix[4]; | |
779 | char *end; | |
780 | int i; | |
781 | ||
782 | for (i = 0, p++; i < 4 && *p && *p != ']'; i++) | |
783 | { | |
784 | if (*p == '~') | |
785 | matrix[i] = - strtod (p + 1, &end); | |
786 | else | |
787 | matrix[i] = strtod (p, &end); | |
788 | p = end; | |
789 | } | |
790 | return (i == 4 ? (int) matrix[3] : -1); | |
791 | } | |
792 | ||
4485a28e KH |
793 | /* Expand a wildcard field in FIELD (the first N fields are filled) to |
794 | multiple fields to fill in all 14 XLFD fields while restring a | |
795 | field position by its contents. */ | |
796 | ||
ec6fe57c | 797 | static int |
971de7fb | 798 | font_expand_wildcards (Lisp_Object *field, int n) |
4485a28e KH |
799 | { |
800 | /* Copy of FIELD. */ | |
801 | Lisp_Object tmp[XLFD_LAST_INDEX]; | |
802 | /* Array of information about where this element can go. Nth | |
803 | element is for Nth element of FIELD. */ | |
804 | struct { | |
805 | /* Minimum possible field. */ | |
806 | int from; | |
807 | /* Maxinum possible field. */ | |
808 | int to; | |
809 | /* Bit mask of possible field. Nth bit corresponds to Nth field. */ | |
810 | int mask; | |
811 | } range[XLFD_LAST_INDEX]; | |
812 | int i, j; | |
ec6fe57c | 813 | int range_from, range_to; |
4485a28e KH |
814 | unsigned range_mask; |
815 | ||
816 | #define XLFD_SYMBOL_MASK (XLFD_FOUNDRY_MASK | XLFD_FAMILY_MASK \ | |
817 | | XLFD_ADSTYLE_MASK | XLFD_REGISTRY_MASK) | |
818 | #define XLFD_NULL_MASK (XLFD_FOUNDRY_MASK | XLFD_ADSTYLE_MASK) | |
4485a28e | 819 | #define XLFD_LARGENUM_MASK (XLFD_POINT_MASK | XLFD_RESX_MASK | XLFD_RESY_MASK \ |
ef18374f | 820 | | XLFD_AVGWIDTH_MASK) |
4485a28e KH |
821 | #define XLFD_REGENC_MASK (XLFD_REGISTRY_MASK | XLFD_ENCODING_MASK) |
822 | ||
823 | /* Initialize RANGE_MASK for FIELD[0] which can be 0th to (14 - N)th | |
824 | field. The value is shifted to left one bit by one in the | |
825 | following loop. */ | |
826 | for (i = 0, range_mask = 0; i <= 14 - n; i++) | |
827 | range_mask = (range_mask << 1) | 1; | |
828 | ||
ec6fe57c KH |
829 | /* The triplet RANGE_FROM, RANGE_TO, and RANGE_MASK is a |
830 | position-based retriction for FIELD[I]. */ | |
831 | for (i = 0, range_from = 0, range_to = 14 - n; i < n; | |
832 | i++, range_from++, range_to++, range_mask <<= 1) | |
4485a28e | 833 | { |
4485a28e KH |
834 | Lisp_Object val = field[i]; |
835 | ||
836 | tmp[i] = val; | |
837 | if (NILP (val)) | |
838 | { | |
839 | /* Wildcard. */ | |
840 | range[i].from = range_from; | |
841 | range[i].to = range_to; | |
842 | range[i].mask = range_mask; | |
843 | } | |
844 | else | |
845 | { | |
846 | /* The triplet FROM, TO, and MASK is a value-based | |
847 | retriction for FIELD[I]. */ | |
848 | int from, to; | |
849 | unsigned mask; | |
850 | ||
851 | if (INTEGERP (val)) | |
852 | { | |
853 | int numeric = XINT (val); | |
854 | ||
ef18374f KH |
855 | if (i + 1 == n) |
856 | from = to = XLFD_ENCODING_INDEX, | |
857 | mask = XLFD_ENCODING_MASK; | |
ec6fe57c KH |
858 | else if (numeric == 0) |
859 | from = XLFD_PIXEL_INDEX, to = XLFD_AVGWIDTH_INDEX, | |
860 | mask = XLFD_PIXEL_MASK | XLFD_LARGENUM_MASK; | |
ef18374f KH |
861 | else if (numeric <= 48) |
862 | from = to = XLFD_PIXEL_INDEX, | |
863 | mask = XLFD_PIXEL_MASK; | |
51c01100 | 864 | else |
ec6fe57c | 865 | from = XLFD_POINT_INDEX, to = XLFD_AVGWIDTH_INDEX, |
4485a28e KH |
866 | mask = XLFD_LARGENUM_MASK; |
867 | } | |
35027d0c | 868 | else if (SBYTES (SYMBOL_NAME (val)) == 0) |
4485a28e KH |
869 | from = XLFD_FOUNDRY_INDEX, to = XLFD_ADSTYLE_INDEX, |
870 | mask = XLFD_NULL_MASK; | |
871 | else if (i == 0) | |
872 | from = to = XLFD_FOUNDRY_INDEX, mask = XLFD_FOUNDRY_MASK; | |
873 | else if (i + 1 == n) | |
874 | { | |
875 | Lisp_Object name = SYMBOL_NAME (val); | |
876 | ||
877 | if (SDATA (name)[SBYTES (name) - 1] == '*') | |
878 | from = XLFD_REGISTRY_INDEX, to = XLFD_ENCODING_INDEX, | |
879 | mask = XLFD_REGENC_MASK; | |
880 | else | |
881 | from = to = XLFD_ENCODING_INDEX, | |
882 | mask = XLFD_ENCODING_MASK; | |
883 | } | |
ef18374f KH |
884 | else if (range_from <= XLFD_WEIGHT_INDEX |
885 | && range_to >= XLFD_WEIGHT_INDEX | |
35027d0c | 886 | && FONT_WEIGHT_NAME_NUMERIC (val) >= 0) |
4485a28e | 887 | from = to = XLFD_WEIGHT_INDEX, mask = XLFD_WEIGHT_MASK; |
ef18374f KH |
888 | else if (range_from <= XLFD_SLANT_INDEX |
889 | && range_to >= XLFD_SLANT_INDEX | |
35027d0c | 890 | && FONT_SLANT_NAME_NUMERIC (val) >= 0) |
4485a28e | 891 | from = to = XLFD_SLANT_INDEX, mask = XLFD_SLANT_MASK; |
ef18374f KH |
892 | else if (range_from <= XLFD_SWIDTH_INDEX |
893 | && range_to >= XLFD_SWIDTH_INDEX | |
35027d0c | 894 | && FONT_WIDTH_NAME_NUMERIC (val) >= 0) |
4485a28e KH |
895 | from = to = XLFD_SWIDTH_INDEX, mask = XLFD_SWIDTH_MASK; |
896 | else | |
897 | { | |
ec6fe57c | 898 | if (EQ (val, Qc) || EQ (val, Qm) || EQ (val, Qp) || EQ (val, Qd)) |
4485a28e KH |
899 | from = to = XLFD_SPACING_INDEX, mask = XLFD_SPACING_MASK; |
900 | else | |
901 | from = XLFD_FOUNDRY_INDEX, to = XLFD_ENCODING_INDEX, | |
902 | mask = XLFD_SYMBOL_MASK; | |
903 | } | |
904 | ||
905 | /* Merge position-based and value-based restrictions. */ | |
906 | mask &= range_mask; | |
907 | while (from < range_from) | |
908 | mask &= ~(1 << from++); | |
909 | while (from < 14 && ! (mask & (1 << from))) | |
910 | from++; | |
911 | while (to > range_to) | |
912 | mask &= ~(1 << to--); | |
913 | while (to >= 0 && ! (mask & (1 << to))) | |
914 | to--; | |
915 | if (from > to) | |
916 | return -1; | |
917 | range[i].from = from; | |
918 | range[i].to = to; | |
919 | range[i].mask = mask; | |
920 | ||
921 | if (from > range_from || to < range_to) | |
ec6fe57c KH |
922 | { |
923 | /* The range is narrowed by value-based restrictions. | |
924 | Reflect it to the other fields. */ | |
925 | ||
926 | /* Following fields should be after FROM. */ | |
927 | range_from = from; | |
928 | /* Preceding fields should be before TO. */ | |
929 | for (j = i - 1, from--, to--; j >= 0; j--, from--, to--) | |
930 | { | |
931 | /* Check FROM for non-wildcard field. */ | |
932 | if (! NILP (tmp[j]) && range[j].from < from) | |
933 | { | |
934 | while (range[j].from < from) | |
935 | range[j].mask &= ~(1 << range[j].from++); | |
936 | while (from < 14 && ! (range[j].mask & (1 << from))) | |
937 | from++; | |
938 | range[j].from = from; | |
939 | } | |
940 | else | |
941 | from = range[j].from; | |
942 | if (range[j].to > to) | |
943 | { | |
944 | while (range[j].to > to) | |
945 | range[j].mask &= ~(1 << range[j].to--); | |
946 | while (to >= 0 && ! (range[j].mask & (1 << to))) | |
947 | to--; | |
948 | range[j].to = to; | |
949 | } | |
950 | else | |
951 | to = range[j].to; | |
952 | if (from > to) | |
953 | return -1; | |
954 | } | |
955 | } | |
4485a28e KH |
956 | } |
957 | } | |
958 | ||
959 | /* Decide all fileds from restrictions in RANGE. */ | |
960 | for (i = j = 0; i < n ; i++) | |
961 | { | |
962 | if (j < range[i].from) | |
963 | { | |
964 | if (i == 0 || ! NILP (tmp[i - 1])) | |
965 | /* None of TMP[X] corresponds to Jth field. */ | |
966 | return -1; | |
967 | for (; j < range[i].from; j++) | |
968 | field[j] = Qnil; | |
969 | } | |
970 | field[j++] = tmp[i]; | |
971 | } | |
972 | if (! NILP (tmp[n - 1]) && j < XLFD_REGISTRY_INDEX) | |
973 | return -1; | |
974 | for (; j < XLFD_LAST_INDEX; j++) | |
975 | field[j] = Qnil; | |
976 | if (INTEGERP (field[XLFD_ENCODING_INDEX])) | |
977 | field[XLFD_ENCODING_INDEX] | |
978 | = Fintern (Fnumber_to_string (field[XLFD_ENCODING_INDEX]), Qnil); | |
979 | return 0; | |
980 | } | |
981 | ||
43a1d19b SM |
982 | |
983 | #ifdef ENABLE_CHECKING | |
984 | /* Match a 14-field XLFD pattern against a full XLFD font name. */ | |
985 | static int | |
986 | font_match_xlfd (char *pattern, char *name) | |
987 | { | |
988 | while (*pattern && *name) | |
989 | { | |
990 | if (*pattern == *name) | |
991 | pattern++; | |
992 | else if (*pattern == '*') | |
993 | if (*name == pattern[1]) | |
994 | pattern += 2; | |
995 | else | |
996 | ; | |
997 | else | |
998 | return 0; | |
999 | name++; | |
1000 | } | |
1001 | return 1; | |
1002 | } | |
1003 | ||
1004 | /* Make sure the font object matches the XLFD font name. */ | |
1005 | static int | |
1006 | font_check_xlfd_parse (Lisp_Object font, char *name) | |
1007 | { | |
1008 | char name_check[256]; | |
1009 | font_unparse_xlfd (font, 0, name_check, 255); | |
1010 | return font_match_xlfd (name_check, name); | |
1011 | } | |
1012 | ||
1013 | #endif | |
1014 | ||
35027d0c | 1015 | |
ef18374f | 1016 | /* Parse NAME (null terminated) as XLFD and store information in FONT |
9331887d KH |
1017 | (font-spec or font-entity). Size property of FONT is set as |
1018 | follows: | |
1019 | specified XLFD fields FONT property | |
1020 | --------------------- ------------- | |
1021 | PIXEL_SIZE PIXEL_SIZE (Lisp integer) | |
1022 | POINT_SIZE and RESY calculated pixel size (Lisp integer) | |
1023 | POINT_SIZE POINT_SIZE/10 (Lisp float) | |
1024 | ||
ec6fe57c | 1025 | If NAME is successfully parsed, return 0. Otherwise return -1. |
9331887d | 1026 | |
ec6fe57c KH |
1027 | FONT is usually a font-spec, but when this function is called from |
1028 | X font backend driver, it is a font-entity. In that case, NAME is | |
35027d0c | 1029 | a fully specified XLFD. */ |
c2f5bfd6 KH |
1030 | |
1031 | int | |
971de7fb | 1032 | font_parse_xlfd (char *name, Lisp_Object font) |
c2f5bfd6 KH |
1033 | { |
1034 | int len = strlen (name); | |
35027d0c | 1035 | int i, j, n; |
cf23b845 | 1036 | char *f[XLFD_LAST_INDEX + 1]; |
c2f5bfd6 | 1037 | Lisp_Object val; |
4485a28e | 1038 | char *p; |
c2f5bfd6 | 1039 | |
e3928081 | 1040 | if (len > 255 || !len) |
c2f5bfd6 KH |
1041 | /* Maximum XLFD name length is 255. */ |
1042 | return -1; | |
ec6fe57c | 1043 | /* Accept "*-.." as a fully specified XLFD. */ |
e3928081 | 1044 | if (name[0] == '*' && (len == 1 || name[1] == '-')) |
ec6fe57c KH |
1045 | i = 1, f[XLFD_FOUNDRY_INDEX] = name; |
1046 | else | |
1047 | i = 0; | |
1048 | for (p = name + i; *p; p++) | |
35027d0c KH |
1049 | if (*p == '-') |
1050 | { | |
1051 | f[i++] = p + 1; | |
1052 | if (i == XLFD_LAST_INDEX) | |
1053 | break; | |
1054 | } | |
1055 | f[i] = name + len; | |
c2f5bfd6 | 1056 | |
2f286d4f KH |
1057 | #define INTERN_FIELD(N) font_intern_prop (f[N], f[(N) + 1] - 1 - f[N], 0) |
1058 | #define INTERN_FIELD_SYM(N) font_intern_prop (f[N], f[(N) + 1] - 1 - f[N], 1) | |
4485a28e | 1059 | |
ec6fe57c | 1060 | if (i == XLFD_LAST_INDEX) |
4485a28e | 1061 | { |
35027d0c | 1062 | /* Fully specified XLFD. */ |
ec6fe57c KH |
1063 | int pixel_size; |
1064 | ||
2f286d4f KH |
1065 | ASET (font, FONT_FOUNDRY_INDEX, INTERN_FIELD_SYM (XLFD_FOUNDRY_INDEX)); |
1066 | ASET (font, FONT_FAMILY_INDEX, INTERN_FIELD_SYM (XLFD_FAMILY_INDEX)); | |
35027d0c KH |
1067 | for (i = XLFD_WEIGHT_INDEX, j = FONT_WEIGHT_INDEX; |
1068 | i <= XLFD_SWIDTH_INDEX; i++, j++) | |
4485a28e | 1069 | { |
2f286d4f | 1070 | val = INTERN_FIELD_SYM (i); |
ec6fe57c | 1071 | if (! NILP (val)) |
4485a28e | 1072 | { |
2f286d4f | 1073 | if ((n = font_style_to_value (j, INTERN_FIELD_SYM (i), 0)) < 0) |
35027d0c KH |
1074 | return -1; |
1075 | ASET (font, j, make_number (n)); | |
ec6fe57c KH |
1076 | } |
1077 | } | |
2f286d4f | 1078 | ASET (font, FONT_ADSTYLE_INDEX, INTERN_FIELD_SYM (XLFD_ADSTYLE_INDEX)); |
35027d0c KH |
1079 | if (strcmp (f[XLFD_REGISTRY_INDEX], "*-*") == 0) |
1080 | ASET (font, FONT_REGISTRY_INDEX, Qnil); | |
1081 | else | |
1082 | ASET (font, FONT_REGISTRY_INDEX, | |
1083 | font_intern_prop (f[XLFD_REGISTRY_INDEX], | |
2f286d4f KH |
1084 | f[XLFD_LAST_INDEX] - f[XLFD_REGISTRY_INDEX], |
1085 | 1)); | |
ec6fe57c KH |
1086 | p = f[XLFD_PIXEL_INDEX]; |
1087 | if (*p == '[' && (pixel_size = parse_matrix (p)) >= 0) | |
51c01100 | 1088 | ASET (font, FONT_SIZE_INDEX, make_number (pixel_size)); |
ec6fe57c KH |
1089 | else |
1090 | { | |
35027d0c KH |
1091 | val = INTERN_FIELD (XLFD_PIXEL_INDEX); |
1092 | if (INTEGERP (val)) | |
ec6fe57c | 1093 | ASET (font, FONT_SIZE_INDEX, val); |
b57d9029 KH |
1094 | else if (FONT_ENTITY_P (font)) |
1095 | return -1; | |
ec6fe57c KH |
1096 | else |
1097 | { | |
1098 | double point_size = -1; | |
1099 | ||
d0ab1ebe | 1100 | font_assert (FONT_SPEC_P (font)); |
ec6fe57c KH |
1101 | p = f[XLFD_POINT_INDEX]; |
1102 | if (*p == '[') | |
1103 | point_size = parse_matrix (p); | |
1104 | else if (isdigit (*p)) | |
1105 | point_size = atoi (p), point_size /= 10; | |
1106 | if (point_size >= 0) | |
1107 | ASET (font, FONT_SIZE_INDEX, make_float (point_size)); | |
4485a28e KH |
1108 | } |
1109 | } | |
ec6fe57c | 1110 | |
087048cd KH |
1111 | val = INTERN_FIELD (XLFD_RESY_INDEX); |
1112 | if (! NILP (val) && ! INTEGERP (val)) | |
1113 | return -1; | |
1114 | ASET (font, FONT_DPI_INDEX, val); | |
35027d0c KH |
1115 | val = INTERN_FIELD (XLFD_SPACING_INDEX); |
1116 | if (! NILP (val)) | |
ec6fe57c | 1117 | { |
35027d0c KH |
1118 | val = font_prop_validate_spacing (QCspacing, val); |
1119 | if (! INTEGERP (val)) | |
1120 | return -1; | |
1121 | ASET (font, FONT_SPACING_INDEX, val); | |
ec6fe57c | 1122 | } |
ec6fe57c KH |
1123 | p = f[XLFD_AVGWIDTH_INDEX]; |
1124 | if (*p == '~') | |
1125 | p++; | |
087048cd KH |
1126 | val = font_intern_prop (p, f[XLFD_REGISTRY_INDEX] - 1 - p, 0); |
1127 | if (! NILP (val) && ! INTEGERP (val)) | |
1128 | return -1; | |
1129 | ASET (font, FONT_AVGWIDTH_INDEX, val); | |
4485a28e KH |
1130 | } |
1131 | else | |
c2f5bfd6 | 1132 | { |
4485a28e | 1133 | int wild_card_found = 0; |
ec6fe57c | 1134 | Lisp_Object prop[XLFD_LAST_INDEX]; |
4485a28e | 1135 | |
35027d0c KH |
1136 | if (FONT_ENTITY_P (font)) |
1137 | return -1; | |
ec6fe57c | 1138 | for (j = 0; j < i; j++) |
4485a28e | 1139 | { |
ec6fe57c | 1140 | if (*f[j] == '*') |
4485a28e | 1141 | { |
ec6fe57c KH |
1142 | if (f[j][1] && f[j][1] != '-') |
1143 | return -1; | |
1144 | prop[j] = Qnil; | |
1145 | wild_card_found = 1; | |
1146 | } | |
ec6fe57c | 1147 | else if (j + 1 < i) |
35027d0c | 1148 | prop[j] = INTERN_FIELD (j); |
ec6fe57c | 1149 | else |
2f286d4f | 1150 | prop[j] = font_intern_prop (f[j], f[i] - f[j], 0); |
4485a28e KH |
1151 | } |
1152 | if (! wild_card_found) | |
c2f5bfd6 | 1153 | return -1; |
ec6fe57c | 1154 | if (font_expand_wildcards (prop, i) < 0) |
4485a28e | 1155 | return -1; |
ec6fe57c | 1156 | |
35027d0c KH |
1157 | ASET (font, FONT_FOUNDRY_INDEX, prop[XLFD_FOUNDRY_INDEX]); |
1158 | ASET (font, FONT_FAMILY_INDEX, prop[XLFD_FAMILY_INDEX]); | |
1159 | for (i = XLFD_WEIGHT_INDEX, j = FONT_WEIGHT_INDEX; | |
1160 | i <= XLFD_SWIDTH_INDEX; i++, j++) | |
ec6fe57c | 1161 | if (! NILP (prop[i])) |
35027d0c KH |
1162 | { |
1163 | if ((n = font_style_to_value (j, prop[i], 1)) < 0) | |
1164 | return -1; | |
1165 | ASET (font, j, make_number (n)); | |
1166 | } | |
1167 | ASET (font, FONT_ADSTYLE_INDEX, prop[XLFD_ADSTYLE_INDEX]); | |
ec6fe57c KH |
1168 | val = prop[XLFD_REGISTRY_INDEX]; |
1169 | if (NILP (val)) | |
c2f5bfd6 | 1170 | { |
ec6fe57c KH |
1171 | val = prop[XLFD_ENCODING_INDEX]; |
1172 | if (! NILP (val)) | |
35027d0c | 1173 | val = concat2 (build_string ("*-"), SYMBOL_NAME (val)); |
4485a28e | 1174 | } |
ec6fe57c | 1175 | else if (NILP (prop[XLFD_ENCODING_INDEX])) |
35027d0c | 1176 | val = concat2 (SYMBOL_NAME (val), build_string ("-*")); |
4485a28e | 1177 | else |
35027d0c KH |
1178 | val = concat3 (SYMBOL_NAME (val), build_string ("-"), |
1179 | SYMBOL_NAME (prop[XLFD_ENCODING_INDEX])); | |
ec6fe57c | 1180 | if (! NILP (val)) |
35027d0c | 1181 | ASET (font, FONT_REGISTRY_INDEX, Fintern (val, Qnil)); |
ec6fe57c KH |
1182 | |
1183 | if (INTEGERP (prop[XLFD_PIXEL_INDEX])) | |
1184 | ASET (font, FONT_SIZE_INDEX, prop[XLFD_PIXEL_INDEX]); | |
1185 | else if (INTEGERP (prop[XLFD_POINT_INDEX])) | |
4485a28e | 1186 | { |
ec6fe57c | 1187 | double point_size = XINT (prop[XLFD_POINT_INDEX]); |
c2f5bfd6 | 1188 | |
ec6fe57c KH |
1189 | ASET (font, FONT_SIZE_INDEX, make_float (point_size / 10)); |
1190 | } | |
c2f5bfd6 | 1191 | |
35027d0c KH |
1192 | if (INTEGERP (prop[XLFD_RESX_INDEX])) |
1193 | ASET (font, FONT_DPI_INDEX, prop[XLFD_RESY_INDEX]); | |
1194 | if (! NILP (prop[XLFD_SPACING_INDEX])) | |
1195 | { | |
1196 | val = font_prop_validate_spacing (QCspacing, | |
1197 | prop[XLFD_SPACING_INDEX]); | |
1198 | if (! INTEGERP (val)) | |
1199 | return -1; | |
1200 | ASET (font, FONT_SPACING_INDEX, val); | |
1201 | } | |
ec6fe57c | 1202 | if (INTEGERP (prop[XLFD_AVGWIDTH_INDEX])) |
35027d0c | 1203 | ASET (font, FONT_AVGWIDTH_INDEX, prop[XLFD_AVGWIDTH_INDEX]); |
c2f5bfd6 KH |
1204 | } |
1205 | ||
ec6fe57c | 1206 | return 0; |
c2f5bfd6 KH |
1207 | } |
1208 | ||
1209 | /* Store XLFD name of FONT (font-spec or font-entity) in NAME (NBYTES | |
1210 | length), and return the name length. If FONT_SIZE_INDEX of FONT is | |
1211 | 0, use PIXEL_SIZE instead. */ | |
1212 | ||
1213 | int | |
971de7fb | 1214 | font_unparse_xlfd (Lisp_Object font, int pixel_size, char *name, int nbytes) |
c2f5bfd6 | 1215 | { |
ec6fe57c | 1216 | char *f[XLFD_REGISTRY_INDEX + 1]; |
c2f5bfd6 KH |
1217 | Lisp_Object val; |
1218 | int i, j, len = 0; | |
1219 | ||
d0ab1ebe | 1220 | font_assert (FONTP (font)); |
c2f5bfd6 KH |
1221 | |
1222 | for (i = FONT_FOUNDRY_INDEX, j = XLFD_FOUNDRY_INDEX; i <= FONT_REGISTRY_INDEX; | |
1223 | i++, j++) | |
1224 | { | |
1225 | if (i == FONT_ADSTYLE_INDEX) | |
1226 | j = XLFD_ADSTYLE_INDEX; | |
1227 | else if (i == FONT_REGISTRY_INDEX) | |
1228 | j = XLFD_REGISTRY_INDEX; | |
1229 | val = AREF (font, i); | |
1230 | if (NILP (val)) | |
1bb1d99b KH |
1231 | { |
1232 | if (j == XLFD_REGISTRY_INDEX) | |
1233 | f[j] = "*-*", len += 4; | |
1234 | else | |
1235 | f[j] = "*", len += 2; | |
1236 | } | |
c2f5bfd6 KH |
1237 | else |
1238 | { | |
1239 | if (SYMBOLP (val)) | |
1240 | val = SYMBOL_NAME (val); | |
1bb1d99b KH |
1241 | if (j == XLFD_REGISTRY_INDEX |
1242 | && ! strchr ((char *) SDATA (val), '-')) | |
1243 | { | |
1244 | /* Change "jisx0208*" and "jisx0208" to "jisx0208*-*". */ | |
1245 | if (SDATA (val)[SBYTES (val) - 1] == '*') | |
1246 | { | |
1247 | f[j] = alloca (SBYTES (val) + 3); | |
1248 | sprintf (f[j], "%s-*", SDATA (val)); | |
1249 | len += SBYTES (val) + 3; | |
1250 | } | |
1251 | else | |
1252 | { | |
1253 | f[j] = alloca (SBYTES (val) + 4); | |
1254 | sprintf (f[j], "%s*-*", SDATA (val)); | |
1255 | len += SBYTES (val) + 4; | |
1256 | } | |
1257 | } | |
1258 | else | |
1259 | f[j] = (char *) SDATA (val), len += SBYTES (val) + 1; | |
c2f5bfd6 KH |
1260 | } |
1261 | } | |
1262 | ||
1263 | for (i = FONT_WEIGHT_INDEX, j = XLFD_WEIGHT_INDEX; i <= FONT_WIDTH_INDEX; | |
1264 | i++, j++) | |
1265 | { | |
35027d0c | 1266 | val = font_style_symbolic (font, i, 0); |
c2f5bfd6 KH |
1267 | if (NILP (val)) |
1268 | f[j] = "*", len += 2; | |
1269 | else | |
1270 | { | |
35027d0c | 1271 | val = SYMBOL_NAME (val); |
c2f5bfd6 KH |
1272 | f[j] = (char *) SDATA (val), len += SBYTES (val) + 1; |
1273 | } | |
1274 | } | |
1275 | ||
1276 | val = AREF (font, FONT_SIZE_INDEX); | |
d0ab1ebe | 1277 | font_assert (NUMBERP (val) || NILP (val)); |
c2f5bfd6 KH |
1278 | if (INTEGERP (val)) |
1279 | { | |
35027d0c | 1280 | i = XINT (val); |
81aefea4 SM |
1281 | if (i <= 0) |
1282 | i = pixel_size; | |
c2f5bfd6 | 1283 | if (i > 0) |
81aefea4 SM |
1284 | { |
1285 | f[XLFD_PIXEL_INDEX] = alloca (22); | |
1286 | len += sprintf (f[XLFD_PIXEL_INDEX], "%d-*", i) + 1; | |
1287 | } | |
1288 | else | |
1289 | f[XLFD_PIXEL_INDEX] = "*-*", len += 4; | |
c2f5bfd6 KH |
1290 | } |
1291 | else if (FLOATP (val)) | |
1292 | { | |
35027d0c | 1293 | i = XFLOAT_DATA (val) * 10; |
ec6fe57c | 1294 | f[XLFD_PIXEL_INDEX] = alloca (12); |
ec6fe57c | 1295 | len += sprintf (f[XLFD_PIXEL_INDEX], "*-%d", i) + 1; |
c2f5bfd6 KH |
1296 | } |
1297 | else | |
ec6fe57c KH |
1298 | f[XLFD_PIXEL_INDEX] = "*-*", len += 4; |
1299 | ||
35027d0c | 1300 | if (INTEGERP (AREF (font, FONT_DPI_INDEX))) |
c2f5bfd6 | 1301 | { |
35027d0c KH |
1302 | i = XINT (AREF (font, FONT_DPI_INDEX)); |
1303 | f[XLFD_RESX_INDEX] = alloca (22); | |
1304 | len += sprintf (f[XLFD_RESX_INDEX], | |
1305 | "%d-%d", i, i) + 1; | |
c2f5bfd6 KH |
1306 | } |
1307 | else | |
35027d0c KH |
1308 | f[XLFD_RESX_INDEX] = "*-*", len += 4; |
1309 | if (INTEGERP (AREF (font, FONT_SPACING_INDEX))) | |
ec6fe57c | 1310 | { |
35027d0c | 1311 | int spacing = XINT (AREF (font, FONT_SPACING_INDEX)); |
ec6fe57c | 1312 | |
35027d0c KH |
1313 | f[XLFD_SPACING_INDEX] = (spacing <= FONT_SPACING_PROPORTIONAL ? "p" |
1314 | : spacing <= FONT_SPACING_DUAL ? "d" | |
1315 | : spacing <= FONT_SPACING_MONO ? "m" | |
1316 | : "c"); | |
1317 | len += 2; | |
ec6fe57c | 1318 | } |
35027d0c KH |
1319 | else |
1320 | f[XLFD_SPACING_INDEX] = "*", len += 2; | |
1321 | if (INTEGERP (AREF (font, FONT_AVGWIDTH_INDEX))) | |
1322 | { | |
1323 | f[XLFD_AVGWIDTH_INDEX] = alloca (11); | |
c56c14a1 AR |
1324 | len += sprintf (f[XLFD_AVGWIDTH_INDEX], "%ld", |
1325 | (long) XINT (AREF (font, FONT_AVGWIDTH_INDEX))) + 1; | |
35027d0c KH |
1326 | } |
1327 | else | |
1328 | f[XLFD_AVGWIDTH_INDEX] = "*", len += 2; | |
ec6fe57c | 1329 | len++; /* for terminating '\0'. */ |
c2f5bfd6 KH |
1330 | if (len >= nbytes) |
1331 | return -1; | |
35027d0c | 1332 | return sprintf (name, "-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s", |
c2f5bfd6 KH |
1333 | f[XLFD_FOUNDRY_INDEX], f[XLFD_FAMILY_INDEX], |
1334 | f[XLFD_WEIGHT_INDEX], f[XLFD_SLANT_INDEX], | |
35027d0c KH |
1335 | f[XLFD_SWIDTH_INDEX], f[XLFD_ADSTYLE_INDEX], |
1336 | f[XLFD_PIXEL_INDEX], f[XLFD_RESX_INDEX], | |
1337 | f[XLFD_SPACING_INDEX], f[XLFD_AVGWIDTH_INDEX], | |
1338 | f[XLFD_REGISTRY_INDEX]); | |
c2f5bfd6 KH |
1339 | } |
1340 | ||
8c102d5b CY |
1341 | /* Parse NAME (null terminated) and store information in FONT |
1342 | (font-spec or font-entity). NAME is supplied in either the | |
1343 | Fontconfig or GTK font name format. If NAME is successfully | |
1344 | parsed, return 0. Otherwise return -1. | |
1345 | ||
1346 | The fontconfig format is | |
1347 | ||
1348 | FAMILY[-SIZE][:PROP1[=VAL1][:PROP2[=VAL2]...]] | |
1349 | ||
1350 | The GTK format is | |
1351 | ||
1352 | FAMILY [PROPS...] [SIZE] | |
1353 | ||
1354 | This function tries to guess which format it is. */ | |
ef18374f KH |
1355 | |
1356 | int | |
971de7fb | 1357 | font_parse_fcname (char *name, Lisp_Object font) |
ef18374f | 1358 | { |
8c102d5b CY |
1359 | char *p, *q; |
1360 | char *size_beg = NULL, *size_end = NULL; | |
1361 | char *props_beg = NULL, *family_end = NULL; | |
9331887d | 1362 | int len = strlen (name); |
ef18374f | 1363 | |
ec6fe57c KH |
1364 | if (len == 0) |
1365 | return -1; | |
8c102d5b CY |
1366 | |
1367 | for (p = name; *p; p++) | |
ef18374f | 1368 | { |
8c102d5b CY |
1369 | if (*p == '\\' && p[1]) |
1370 | p++; | |
1371 | else if (*p == ':') | |
ef18374f | 1372 | { |
59facb78 | 1373 | props_beg = family_end = p; |
8c102d5b CY |
1374 | break; |
1375 | } | |
1376 | else if (*p == '-') | |
1377 | { | |
b1868a1a | 1378 | int decimal = 0, size_found = 1; |
8c102d5b | 1379 | for (q = p + 1; *q && *q != ':'; q++) |
b1868a1a | 1380 | if (! isdigit(*q)) |
8c102d5b | 1381 | { |
b1868a1a CY |
1382 | if (*q != '.' || decimal) |
1383 | { | |
1384 | size_found = 0; | |
1385 | break; | |
1386 | } | |
1387 | decimal = 1; | |
8c102d5b CY |
1388 | } |
1389 | if (size_found) | |
1390 | { | |
1391 | family_end = p; | |
1392 | size_beg = p + 1; | |
1393 | size_end = q; | |
1394 | break; | |
1395 | } | |
ef18374f | 1396 | } |
ef18374f | 1397 | } |
9331887d | 1398 | |
8c102d5b CY |
1399 | if (family_end) |
1400 | { | |
637fa988 JD |
1401 | Lisp_Object extra_props = Qnil; |
1402 | ||
8c102d5b CY |
1403 | /* A fontconfig name with size and/or property data. */ |
1404 | if (family_end > name) | |
1405 | { | |
1406 | Lisp_Object family; | |
1407 | family = font_intern_prop (name, family_end - name, 1); | |
1408 | ASET (font, FONT_FAMILY_INDEX, family); | |
1409 | } | |
1410 | if (size_beg) | |
1411 | { | |
1412 | double point_size = strtod (size_beg, &size_end); | |
1413 | ASET (font, FONT_SIZE_INDEX, make_float (point_size)); | |
1414 | if (*size_end == ':' && size_end[1]) | |
59facb78 | 1415 | props_beg = size_end; |
8c102d5b CY |
1416 | } |
1417 | if (props_beg) | |
1418 | { | |
d26424c5 | 1419 | /* Now parse ":KEY=VAL" patterns. */ |
59facb78 | 1420 | Lisp_Object val; |
8c102d5b | 1421 | |
59facb78 | 1422 | for (p = props_beg; *p; p = q) |
8c102d5b | 1423 | { |
8c102d5b | 1424 | for (q = p + 1; *q && *q != '=' && *q != ':'; q++); |
8c102d5b CY |
1425 | if (*q != '=') |
1426 | { | |
1427 | /* Must be an enumerated value. */ | |
59facb78 CY |
1428 | int word_len; |
1429 | p = p + 1; | |
1430 | word_len = q - p; | |
8c102d5b | 1431 | val = font_intern_prop (p, q - p, 1); |
9277a69d CY |
1432 | |
1433 | #define PROP_MATCH(STR,N) ((word_len == N) && memcmp (p, STR, N) == 0) | |
1434 | ||
8c102d5b CY |
1435 | if (PROP_MATCH ("light", 5) |
1436 | || PROP_MATCH ("medium", 6) | |
1437 | || PROP_MATCH ("demibold", 8) | |
1438 | || PROP_MATCH ("bold", 4) | |
1439 | || PROP_MATCH ("black", 5)) | |
1440 | FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, val); | |
1441 | else if (PROP_MATCH ("roman", 5) | |
1442 | || PROP_MATCH ("italic", 6) | |
1443 | || PROP_MATCH ("oblique", 7)) | |
1444 | FONT_SET_STYLE (font, FONT_SLANT_INDEX, val); | |
1445 | else if (PROP_MATCH ("charcell", 8)) | |
1446 | ASET (font, FONT_SPACING_INDEX, | |
1447 | make_number (FONT_SPACING_CHARCELL)); | |
1448 | else if (PROP_MATCH ("mono", 4)) | |
1449 | ASET (font, FONT_SPACING_INDEX, | |
1450 | make_number (FONT_SPACING_MONO)); | |
1451 | else if (PROP_MATCH ("proportional", 12)) | |
1452 | ASET (font, FONT_SPACING_INDEX, | |
1453 | make_number (FONT_SPACING_PROPORTIONAL)); | |
9277a69d | 1454 | #undef PROP_MATCH |
8c102d5b | 1455 | } |
59facb78 | 1456 | else |
8c102d5b | 1457 | { |
59facb78 | 1458 | /* KEY=VAL pairs */ |
8c102d5b | 1459 | Lisp_Object key; |
59facb78 | 1460 | int prop; |
51c01100 | 1461 | |
59facb78 | 1462 | if (q - p == 10 && memcmp (p + 1, "pixelsize", 9) == 0) |
8c102d5b CY |
1463 | prop = FONT_SIZE_INDEX; |
1464 | else | |
1465 | { | |
1466 | key = font_intern_prop (p, q - p, 1); | |
1467 | prop = get_font_prop_index (key); | |
1468 | } | |
77989187 | 1469 | |
8c102d5b CY |
1470 | p = q + 1; |
1471 | for (q = p; *q && *q != ':'; q++); | |
90c00b01 | 1472 | val = font_intern_prop (p, q - p, 0); |
77989187 | 1473 | |
d26424c5 KH |
1474 | if (prop >= FONT_FOUNDRY_INDEX |
1475 | && prop < FONT_EXTRA_INDEX) | |
637fa988 | 1476 | ASET (font, prop, font_prop_validate (prop, Qnil, val)); |
ce75f06e | 1477 | else |
637fa988 JD |
1478 | { |
1479 | extra_props = nconc2 (extra_props, | |
1480 | Fcons (Fcons (key, val), Qnil)); | |
1481 | } | |
8c102d5b | 1482 | } |
d26424c5 | 1483 | p = q; |
8c102d5b | 1484 | } |
8c102d5b | 1485 | } |
637fa988 JD |
1486 | |
1487 | if (! NILP (extra_props)) | |
1488 | { | |
1489 | struct font_driver_list *driver_list = font_driver_list; | |
1490 | for ( ; driver_list; driver_list = driver_list->next) | |
1491 | if (driver_list->driver->filter_properties) | |
1492 | (*driver_list->driver->filter_properties) (font, extra_props); | |
1493 | } | |
ce75f06e | 1494 | |
8c102d5b CY |
1495 | } |
1496 | else | |
ef18374f | 1497 | { |
8c102d5b CY |
1498 | /* Either a fontconfig-style name with no size and property |
1499 | data, or a GTK-style name. */ | |
1500 | Lisp_Object prop; | |
1501 | int word_len, prop_found = 0; | |
ef18374f | 1502 | |
8c102d5b | 1503 | for (p = name; *p; p = *q ? q + 1 : q) |
ef18374f | 1504 | { |
8c102d5b | 1505 | if (isdigit (*p)) |
9331887d | 1506 | { |
8c102d5b | 1507 | int size_found = 1; |
7181ea6a | 1508 | |
8c102d5b | 1509 | for (q = p + 1; *q && *q != ' '; q++) |
32a679fd | 1510 | if (! isdigit (*q) && *q != '.') |
8c102d5b CY |
1511 | { |
1512 | size_found = 0; | |
1513 | break; | |
1514 | } | |
1515 | if (size_found) | |
1516 | { | |
1517 | double point_size = strtod (p, &q); | |
1518 | ASET (font, FONT_SIZE_INDEX, make_float (point_size)); | |
1519 | continue; | |
1520 | } | |
027a33c0 | 1521 | } |
8c102d5b CY |
1522 | |
1523 | for (q = p + 1; *q && *q != ' '; q++) | |
1524 | if (*q == '\\' && q[1]) | |
1525 | q++; | |
1526 | word_len = q - p; | |
1527 | ||
1528 | #define PROP_MATCH(STR,N) ((word_len == N) && memcmp (p, STR, N) == 0) | |
1529 | ||
1530 | if (PROP_MATCH ("Ultra-Light", 11)) | |
9331887d | 1531 | { |
8c102d5b CY |
1532 | prop_found = 1; |
1533 | prop = font_intern_prop ("ultra-light", 11, 1); | |
1534 | FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, prop); | |
9331887d | 1535 | } |
8c102d5b | 1536 | else if (PROP_MATCH ("Light", 5)) |
9331887d | 1537 | { |
8c102d5b CY |
1538 | prop_found = 1; |
1539 | prop = font_intern_prop ("light", 5, 1); | |
1540 | FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, prop); | |
9331887d | 1541 | } |
fe69a722 CY |
1542 | else if (PROP_MATCH ("Book", 4)) |
1543 | { | |
1544 | prop_found = 1; | |
1545 | prop = font_intern_prop ("book", 4, 1); | |
1546 | FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, prop); | |
1547 | } | |
4ed28cf4 CY |
1548 | else if (PROP_MATCH ("Medium", 6)) |
1549 | { | |
1550 | prop_found = 1; | |
1551 | prop = font_intern_prop ("medium", 6, 1); | |
1552 | FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, prop); | |
1553 | } | |
8c102d5b | 1554 | else if (PROP_MATCH ("Semi-Bold", 9)) |
9331887d | 1555 | { |
8c102d5b CY |
1556 | prop_found = 1; |
1557 | prop = font_intern_prop ("semi-bold", 9, 1); | |
1558 | FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, prop); | |
1559 | } | |
1560 | else if (PROP_MATCH ("Bold", 4)) | |
1561 | { | |
1562 | prop_found = 1; | |
1563 | prop = font_intern_prop ("bold", 4, 1); | |
1564 | FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, prop); | |
ef18374f | 1565 | } |
8c102d5b CY |
1566 | else if (PROP_MATCH ("Italic", 6)) |
1567 | { | |
1568 | prop_found = 1; | |
1569 | prop = font_intern_prop ("italic", 4, 1); | |
1570 | FONT_SET_STYLE (font, FONT_SLANT_INDEX, prop); | |
1571 | } | |
1572 | else if (PROP_MATCH ("Oblique", 7)) | |
1573 | { | |
1574 | prop_found = 1; | |
1575 | prop = font_intern_prop ("oblique", 7, 1); | |
1576 | FONT_SET_STYLE (font, FONT_SLANT_INDEX, prop); | |
1577 | } | |
fe69a722 CY |
1578 | else if (PROP_MATCH ("Semi-Condensed", 14)) |
1579 | { | |
1580 | prop_found = 1; | |
1581 | prop = font_intern_prop ("semi-condensed", 14, 1); | |
1582 | FONT_SET_STYLE (font, FONT_WIDTH_INDEX, prop); | |
1583 | } | |
1584 | else if (PROP_MATCH ("Condensed", 9)) | |
1585 | { | |
1586 | prop_found = 1; | |
1587 | prop = font_intern_prop ("condensed", 9, 1); | |
1588 | FONT_SET_STYLE (font, FONT_WIDTH_INDEX, prop); | |
1589 | } | |
8c102d5b CY |
1590 | else { |
1591 | if (prop_found) | |
1592 | return -1; /* Unknown property in GTK-style font name. */ | |
1593 | family_end = q; | |
1594 | } | |
ef18374f | 1595 | } |
8c102d5b | 1596 | #undef PROP_MATCH |
9ba6fd41 | 1597 | |
8c102d5b CY |
1598 | if (family_end) |
1599 | { | |
1600 | Lisp_Object family; | |
1601 | family = font_intern_prop (name, family_end - name, 1); | |
1602 | ASET (font, FONT_FAMILY_INDEX, family); | |
1603 | } | |
1604 | } | |
17ab8f5d | 1605 | |
9331887d | 1606 | return 0; |
ef18374f KH |
1607 | } |
1608 | ||
1609 | /* Store fontconfig's font name of FONT (font-spec or font-entity) in | |
1610 | NAME (NBYTES length), and return the name length. If | |
1611 | FONT_SIZE_INDEX of FONT is 0, use PIXEL_SIZE instead. */ | |
1612 | ||
1613 | int | |
971de7fb | 1614 | font_unparse_fcname (Lisp_Object font, int pixel_size, char *name, int nbytes) |
ef18374f | 1615 | { |
b1868a1a | 1616 | Lisp_Object family, foundry; |
35027d0c | 1617 | Lisp_Object tail, val; |
ec6fe57c | 1618 | int point_size; |
ec6fe57c | 1619 | int i, len = 1; |
ef18374f | 1620 | char *p; |
a9262bb8 | 1621 | Lisp_Object styles[3]; |
417a1b10 | 1622 | char *style_names[3] = { "weight", "slant", "width" }; |
35027d0c | 1623 | char work[256]; |
ef18374f | 1624 | |
b1868a1a CY |
1625 | family = AREF (font, FONT_FAMILY_INDEX); |
1626 | if (! NILP (family)) | |
1627 | { | |
1628 | if (SYMBOLP (family)) | |
1629 | { | |
1630 | family = SYMBOL_NAME (family); | |
1631 | len += SBYTES (family); | |
1632 | } | |
1633 | else | |
1634 | family = Qnil; | |
1635 | } | |
ec6fe57c KH |
1636 | |
1637 | val = AREF (font, FONT_SIZE_INDEX); | |
1638 | if (INTEGERP (val)) | |
ef18374f | 1639 | { |
ec6fe57c KH |
1640 | if (XINT (val) != 0) |
1641 | pixel_size = XINT (val); | |
1642 | point_size = -1; | |
1643 | len += 21; /* for ":pixelsize=NUM" */ | |
ef18374f | 1644 | } |
ec6fe57c | 1645 | else if (FLOATP (val)) |
ef18374f | 1646 | { |
ec6fe57c KH |
1647 | pixel_size = -1; |
1648 | point_size = (int) XFLOAT_DATA (val); | |
1649 | len += 11; /* for "-NUM" */ | |
ef18374f | 1650 | } |
ec6fe57c | 1651 | |
b1868a1a CY |
1652 | foundry = AREF (font, FONT_FOUNDRY_INDEX); |
1653 | if (! NILP (foundry)) | |
1654 | { | |
1655 | if (SYMBOLP (foundry)) | |
1656 | { | |
1657 | foundry = SYMBOL_NAME (foundry); | |
1658 | len += 9 + SBYTES (foundry); /* ":foundry=NAME" */ | |
1659 | } | |
1660 | else | |
1661 | foundry = Qnil; | |
1662 | } | |
ec6fe57c | 1663 | |
35027d0c | 1664 | for (i = 0; i < 3; i++) |
a9262bb8 | 1665 | { |
35027d0c KH |
1666 | styles[i] = font_style_symbolic (font, FONT_WEIGHT_INDEX + i, 0); |
1667 | if (! NILP (styles[i])) | |
1668 | len += sprintf (work, ":%s=%s", style_names[i], | |
1669 | SDATA (SYMBOL_NAME (styles[i]))); | |
ec6fe57c | 1670 | } |
35027d0c KH |
1671 | |
1672 | if (INTEGERP (AREF (font, FONT_DPI_INDEX))) | |
c56c14a1 | 1673 | len += sprintf (work, ":dpi=%ld", (long)XINT (AREF (font, FONT_DPI_INDEX))); |
35027d0c KH |
1674 | if (INTEGERP (AREF (font, FONT_SPACING_INDEX))) |
1675 | len += strlen (":spacing=100"); | |
1676 | if (INTEGERP (AREF (font, FONT_AVGWIDTH_INDEX))) | |
1677 | len += strlen (":scalable=false"); /* or ":scalable=true" */ | |
1678 | for (tail = AREF (font, FONT_EXTRA_INDEX); CONSP (tail); tail = XCDR (tail)) | |
ec6fe57c | 1679 | { |
35027d0c KH |
1680 | Lisp_Object key = XCAR (XCAR (tail)), val = XCDR (XCAR (tail)); |
1681 | ||
1682 | len += SBYTES (SYMBOL_NAME (key)) + 1; /* for :KEY= */ | |
1683 | if (STRINGP (val)) | |
1684 | len += SBYTES (val); | |
1685 | else if (INTEGERP (val)) | |
c56c14a1 | 1686 | len += sprintf (work, "%ld", (long) XINT (val)); |
35027d0c KH |
1687 | else if (SYMBOLP (val)) |
1688 | len += (NILP (val) ? 5 : 4); /* for "false" or "true" */ | |
ec6fe57c KH |
1689 | } |
1690 | ||
ef18374f KH |
1691 | if (len > nbytes) |
1692 | return -1; | |
1693 | p = name; | |
b1868a1a CY |
1694 | if (! NILP (family)) |
1695 | p += sprintf (p, "%s", SDATA (family)); | |
ec6fe57c KH |
1696 | if (point_size > 0) |
1697 | { | |
1698 | if (p == name) | |
1699 | p += sprintf (p, "%d", point_size); | |
1700 | else | |
1701 | p += sprintf (p, "-%d", point_size); | |
1702 | } | |
ef18374f KH |
1703 | else if (pixel_size > 0) |
1704 | p += sprintf (p, ":pixelsize=%d", pixel_size); | |
35027d0c | 1705 | if (! NILP (AREF (font, FONT_FOUNDRY_INDEX))) |
a9262bb8 KH |
1706 | p += sprintf (p, ":foundry=%s", |
1707 | SDATA (SYMBOL_NAME (AREF (font, FONT_FOUNDRY_INDEX)))); | |
1708 | for (i = 0; i < 3; i++) | |
35027d0c | 1709 | if (! NILP (styles[i])) |
a9262bb8 | 1710 | p += sprintf (p, ":%s=%s", style_names[i], |
35027d0c KH |
1711 | SDATA (SYMBOL_NAME (styles[i]))); |
1712 | if (INTEGERP (AREF (font, FONT_DPI_INDEX))) | |
c56c14a1 | 1713 | p += sprintf (p, ":dpi=%ld", (long) XINT (AREF (font, FONT_DPI_INDEX))); |
35027d0c | 1714 | if (INTEGERP (AREF (font, FONT_SPACING_INDEX))) |
c56c14a1 AR |
1715 | p += sprintf (p, ":spacing=%ld", |
1716 | (long) XINT (AREF (font, FONT_SPACING_INDEX))); | |
35027d0c KH |
1717 | if (INTEGERP (AREF (font, FONT_AVGWIDTH_INDEX))) |
1718 | { | |
1719 | if (XINT (AREF (font, FONT_AVGWIDTH_INDEX)) == 0) | |
1720 | p += sprintf (p, ":scalable=true"); | |
1721 | else | |
1722 | p += sprintf (p, ":scalable=false"); | |
1723 | } | |
ef18374f KH |
1724 | return (p - name); |
1725 | } | |
1726 | ||
b1868a1a CY |
1727 | /* Store GTK-style font name of FONT (font-spec or font-entity) in |
1728 | NAME (NBYTES length), and return the name length. F is the frame | |
1729 | on which the font is displayed; it is used to calculate the point | |
1730 | size. */ | |
1731 | ||
1732 | int | |
971de7fb | 1733 | font_unparse_gtkname (Lisp_Object font, struct frame *f, char *name, int nbytes) |
b1868a1a CY |
1734 | { |
1735 | char *p; | |
1736 | int len = 1; | |
1737 | Lisp_Object family, weight, slant, size; | |
1738 | int point_size = -1; | |
1739 | ||
1740 | family = AREF (font, FONT_FAMILY_INDEX); | |
1741 | if (! NILP (family)) | |
1742 | { | |
1743 | if (! SYMBOLP (family)) | |
1744 | return -1; | |
1745 | family = SYMBOL_NAME (family); | |
1746 | len += SBYTES (family); | |
1747 | } | |
1748 | ||
1749 | weight = font_style_symbolic (font, FONT_WEIGHT_INDEX, 0); | |
93eed26b | 1750 | if (EQ (weight, Qnormal)) |
b1868a1a CY |
1751 | weight = Qnil; |
1752 | else if (! NILP (weight)) | |
1753 | { | |
1754 | weight = SYMBOL_NAME (weight); | |
1755 | len += SBYTES (weight); | |
1756 | } | |
1757 | ||
1758 | slant = font_style_symbolic (font, FONT_SLANT_INDEX, 0); | |
93eed26b | 1759 | if (EQ (slant, Qnormal)) |
b1868a1a CY |
1760 | slant = Qnil; |
1761 | else if (! NILP (slant)) | |
1762 | { | |
1763 | slant = SYMBOL_NAME (slant); | |
1764 | len += SBYTES (slant); | |
1765 | } | |
1766 | ||
1767 | size = AREF (font, FONT_SIZE_INDEX); | |
1768 | /* Convert pixel size to point size. */ | |
1769 | if (INTEGERP (size)) | |
1770 | { | |
1771 | Lisp_Object font_dpi = AREF (font, FONT_DPI_INDEX); | |
1772 | int dpi = 75; | |
1773 | if (INTEGERP (font_dpi)) | |
1774 | dpi = XINT (font_dpi); | |
1775 | else if (f) | |
1776 | dpi = f->resy; | |
1777 | point_size = PIXEL_TO_POINT (XINT (size), dpi); | |
1778 | len += 11; | |
1779 | } | |
1780 | else if (FLOATP (size)) | |
1781 | { | |
1782 | point_size = (int) XFLOAT_DATA (size); | |
1783 | len += 11; | |
1784 | } | |
1785 | ||
1786 | if (len > nbytes) | |
1787 | return -1; | |
1788 | ||
1789 | p = name + sprintf (name, "%s", SDATA (family)); | |
1790 | ||
1791 | if (! NILP (weight)) | |
1792 | { | |
1793 | char *q = p; | |
1794 | p += sprintf (p, " %s", SDATA (weight)); | |
1795 | q[1] = toupper (q[1]); | |
1796 | } | |
1797 | ||
1798 | if (! NILP (slant)) | |
1799 | { | |
1800 | char *q = p; | |
1801 | p += sprintf (p, " %s", SDATA (slant)); | |
1802 | q[1] = toupper (q[1]); | |
1803 | } | |
1804 | ||
1805 | if (point_size > 0) | |
1806 | p += sprintf (p, " %d", point_size); | |
1807 | ||
1808 | return (p - name); | |
1809 | } | |
1810 | ||
ef18374f KH |
1811 | /* Parse NAME (null terminated) and store information in FONT |
1812 | (font-spec or font-entity). If NAME is successfully parsed, return | |
35027d0c | 1813 | 0. Otherwise return -1. */ |
ef18374f KH |
1814 | |
1815 | static int | |
971de7fb | 1816 | font_parse_name (char *name, Lisp_Object font) |
ef18374f | 1817 | { |
05802645 | 1818 | if (name[0] == '-' || index (name, '*') || index (name, '?')) |
e950d6f1 | 1819 | return font_parse_xlfd (name, font); |
ec6fe57c | 1820 | return font_parse_fcname (name, font); |
ef18374f KH |
1821 | } |
1822 | ||
35027d0c KH |
1823 | |
1824 | /* Merge FAMILY and REGISTRY into FONT_SPEC. FAMILY may have the form | |
1825 | "FAMILY-FOUNDRY". REGISTRY may not contain charset-encoding | |
1826 | part. */ | |
45eb10fb | 1827 | |
c2f5bfd6 | 1828 | void |
971de7fb | 1829 | font_parse_family_registry (Lisp_Object family, Lisp_Object registry, Lisp_Object font_spec) |
c2f5bfd6 | 1830 | { |
35027d0c KH |
1831 | int len; |
1832 | char *p0, *p1; | |
1833 | ||
d0ab1ebe KH |
1834 | if (! NILP (family) |
1835 | && NILP (AREF (font_spec, FONT_FAMILY_INDEX))) | |
c2f5bfd6 | 1836 | { |
35027d0c KH |
1837 | CHECK_STRING (family); |
1838 | len = SBYTES (family); | |
1839 | p0 = (char *) SDATA (family); | |
1840 | p1 = index (p0, '-'); | |
1841 | if (p1) | |
c2f5bfd6 | 1842 | { |
9903d1e6 | 1843 | if ((*p0 != '*' && p1 - p0 > 0) |
d0ab1ebe | 1844 | && NILP (AREF (font_spec, FONT_FOUNDRY_INDEX))) |
2f286d4f | 1845 | Ffont_put (font_spec, QCfoundry, font_intern_prop (p0, p1 - p0, 1)); |
35027d0c KH |
1846 | p1++; |
1847 | len -= p1 - p0; | |
2f286d4f | 1848 | Ffont_put (font_spec, QCfamily, font_intern_prop (p1, len, 1)); |
c2f5bfd6 | 1849 | } |
35027d0c KH |
1850 | else |
1851 | ASET (font_spec, FONT_FAMILY_INDEX, Fintern (family, Qnil)); | |
c2f5bfd6 | 1852 | } |
35027d0c | 1853 | if (! NILP (registry)) |
c2f5bfd6 | 1854 | { |
35027d0c KH |
1855 | /* Convert "XXX" and "XXX*" to "XXX*-*". */ |
1856 | CHECK_STRING (registry); | |
1857 | len = SBYTES (registry); | |
1858 | p0 = (char *) SDATA (registry); | |
1859 | p1 = index (p0, '-'); | |
1860 | if (! p1) | |
c2f5bfd6 | 1861 | { |
35027d0c KH |
1862 | if (SDATA (registry)[len - 1] == '*') |
1863 | registry = concat2 (registry, build_string ("-*")); | |
1864 | else | |
1865 | registry = concat2 (registry, build_string ("*-*")); | |
c2f5bfd6 | 1866 | } |
35027d0c KH |
1867 | registry = Fdowncase (registry); |
1868 | ASET (font_spec, FONT_REGISTRY_INDEX, Fintern (registry, Qnil)); | |
c2f5bfd6 KH |
1869 | } |
1870 | } | |
1871 | ||
45eb10fb | 1872 | \f |
35027d0c KH |
1873 | /* This part (through the next ^L) is still experimental and not |
1874 | tested much. We may drastically change codes. */ | |
10d16101 | 1875 | |
45eb10fb | 1876 | /* OTF handler */ |
10d16101 | 1877 | |
6a3dadd2 KH |
1878 | #if 0 |
1879 | ||
e950d6f1 KH |
1880 | #define LGSTRING_HEADER_SIZE 6 |
1881 | #define LGSTRING_GLYPH_SIZE 8 | |
1882 | ||
1883 | static int | |
1884 | check_gstring (gstring) | |
1885 | Lisp_Object gstring; | |
1886 | { | |
1887 | Lisp_Object val; | |
1888 | int i, j; | |
1889 | ||
1890 | CHECK_VECTOR (gstring); | |
1891 | val = AREF (gstring, 0); | |
1892 | CHECK_VECTOR (val); | |
1893 | if (ASIZE (val) < LGSTRING_HEADER_SIZE) | |
1894 | goto err; | |
1895 | CHECK_FONT_OBJECT (LGSTRING_FONT (gstring)); | |
f9ffa1ea SM |
1896 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_LBEARING))) |
1897 | CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_LBEARING)); | |
1898 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_RBEARING))) | |
1899 | CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_RBEARING)); | |
1900 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_WIDTH))) | |
1901 | CHECK_NATNUM (LGSTRING_SLOT (gstring, LGSTRING_IX_WIDTH)); | |
1902 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT))) | |
1903 | CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT)); | |
1904 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT))) | |
1905 | CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT)); | |
e950d6f1 | 1906 | |
071132a9 | 1907 | for (i = 0; i < LGSTRING_GLYPH_LEN (gstring); i++) |
e950d6f1 KH |
1908 | { |
1909 | val = LGSTRING_GLYPH (gstring, i); | |
1910 | CHECK_VECTOR (val); | |
1911 | if (ASIZE (val) < LGSTRING_GLYPH_SIZE) | |
1912 | goto err; | |
f9ffa1ea | 1913 | if (NILP (AREF (val, LGLYPH_IX_CHAR))) |
e950d6f1 | 1914 | break; |
f9ffa1ea SM |
1915 | CHECK_NATNUM (AREF (val, LGLYPH_IX_FROM)); |
1916 | CHECK_NATNUM (AREF (val, LGLYPH_IX_TO)); | |
1917 | CHECK_CHARACTER (AREF (val, LGLYPH_IX_CHAR)); | |
1918 | if (!NILP (AREF (val, LGLYPH_IX_CODE))) | |
1919 | CHECK_NATNUM (AREF (val, LGLYPH_IX_CODE)); | |
1920 | if (!NILP (AREF (val, LGLYPH_IX_WIDTH))) | |
1921 | CHECK_NATNUM (AREF (val, LGLYPH_IX_WIDTH)); | |
1922 | if (!NILP (AREF (val, LGLYPH_IX_ADJUSTMENT))) | |
e950d6f1 | 1923 | { |
f9ffa1ea | 1924 | val = AREF (val, LGLYPH_IX_ADJUSTMENT); |
e950d6f1 KH |
1925 | CHECK_VECTOR (val); |
1926 | if (ASIZE (val) < 3) | |
1927 | goto err; | |
1928 | for (j = 0; j < 3; j++) | |
1929 | CHECK_NUMBER (AREF (val, j)); | |
1930 | } | |
1931 | } | |
1932 | return i; | |
1933 | err: | |
1934 | error ("Invalid glyph-string format"); | |
1935 | return -1; | |
1936 | } | |
1937 | ||
cf385d93 KH |
1938 | static void |
1939 | check_otf_features (otf_features) | |
1940 | Lisp_Object otf_features; | |
1941 | { | |
35027d0c | 1942 | Lisp_Object val; |
cf385d93 KH |
1943 | |
1944 | CHECK_CONS (otf_features); | |
1945 | CHECK_SYMBOL (XCAR (otf_features)); | |
1946 | otf_features = XCDR (otf_features); | |
1947 | CHECK_CONS (otf_features); | |
1948 | CHECK_SYMBOL (XCAR (otf_features)); | |
1949 | otf_features = XCDR (otf_features); | |
1950 | for (val = Fcar (otf_features); ! NILP (val); val = Fcdr (val)) | |
1951 | { | |
1952 | CHECK_SYMBOL (Fcar (val)); | |
1953 | if (SBYTES (SYMBOL_NAME (XCAR (val))) > 4) | |
1954 | error ("Invalid OTF GSUB feature: %s", SYMBOL_NAME (XCAR (val))); | |
1955 | } | |
1956 | otf_features = XCDR (otf_features); | |
1957 | for (val = Fcar (otf_features); ! NILP (val); val = Fcdr (val)) | |
1958 | { | |
1959 | CHECK_SYMBOL (Fcar (val)); | |
1960 | if (SBYTES (SYMBOL_NAME (XCAR (val))) > 4) | |
1961 | error ("Invalid OTF GPOS feature: %s", SYMBOL_NAME (XCAR (val))); | |
1962 | } | |
1963 | } | |
1964 | ||
c2f5bfd6 KH |
1965 | #ifdef HAVE_LIBOTF |
1966 | #include <otf.h> | |
1967 | ||
733fd013 | 1968 | Lisp_Object otf_list; |
c2f5bfd6 KH |
1969 | |
1970 | static Lisp_Object | |
1971 | otf_tag_symbol (tag) | |
1972 | OTF_Tag tag; | |
1973 | { | |
1974 | char name[5]; | |
1975 | ||
1976 | OTF_tag_name (tag, name); | |
1977 | return Fintern (make_unibyte_string (name, 4), Qnil); | |
1978 | } | |
1979 | ||
1980 | static OTF * | |
35027d0c KH |
1981 | otf_open (file) |
1982 | Lisp_Object file; | |
c2f5bfd6 | 1983 | { |
35027d0c | 1984 | Lisp_Object val = Fassoc (file, otf_list); |
733fd013 KH |
1985 | OTF *otf; |
1986 | ||
1987 | if (! NILP (val)) | |
1988 | otf = XSAVE_VALUE (XCDR (val))->pointer; | |
1989 | else | |
c2f5bfd6 | 1990 | { |
35027d0c | 1991 | otf = STRINGP (file) ? OTF_open ((char *) SDATA (file)) : NULL; |
733fd013 | 1992 | val = make_save_value (otf, 0); |
35027d0c | 1993 | otf_list = Fcons (Fcons (file, val), otf_list); |
c2f5bfd6 | 1994 | } |
733fd013 | 1995 | return otf; |
c2f5bfd6 KH |
1996 | } |
1997 | ||
1998 | ||
1999 | /* Return a list describing which scripts/languages FONT supports by | |
2000 | which GSUB/GPOS features of OpenType tables. See the comment of | |
51c01100 | 2001 | (struct font_driver).otf_capability. */ |
c2f5bfd6 KH |
2002 | |
2003 | Lisp_Object | |
2004 | font_otf_capability (font) | |
2005 | struct font *font; | |
2006 | { | |
2007 | OTF *otf; | |
2008 | Lisp_Object capability = Fcons (Qnil, Qnil); | |
2009 | int i; | |
2010 | ||
35027d0c | 2011 | otf = otf_open (font->props[FONT_FILE_INDEX]); |
c2f5bfd6 KH |
2012 | if (! otf) |
2013 | return Qnil; | |
2014 | for (i = 0; i < 2; i++) | |
2015 | { | |
2016 | OTF_GSUB_GPOS *gsub_gpos; | |
2017 | Lisp_Object script_list = Qnil; | |
2018 | int j; | |
2019 | ||
2020 | if (OTF_get_features (otf, i == 0) < 0) | |
2021 | continue; | |
2022 | gsub_gpos = i == 0 ? otf->gsub : otf->gpos; | |
2023 | for (j = gsub_gpos->ScriptList.ScriptCount - 1; j >= 0; j--) | |
2024 | { | |
2025 | OTF_Script *script = gsub_gpos->ScriptList.Script + j; | |
2026 | Lisp_Object langsys_list = Qnil; | |
2027 | Lisp_Object script_tag = otf_tag_symbol (script->ScriptTag); | |
2028 | int k; | |
2029 | ||
2030 | for (k = script->LangSysCount; k >= 0; k--) | |
2031 | { | |
2032 | OTF_LangSys *langsys; | |
2033 | Lisp_Object feature_list = Qnil; | |
2034 | Lisp_Object langsys_tag; | |
2035 | int l; | |
2036 | ||
e80e09b4 | 2037 | if (k == script->LangSysCount) |
c2f5bfd6 KH |
2038 | { |
2039 | langsys = &script->DefaultLangSys; | |
2040 | langsys_tag = Qnil; | |
2041 | } | |
2042 | else | |
2043 | { | |
2044 | langsys = script->LangSys + k; | |
2045 | langsys_tag | |
2046 | = otf_tag_symbol (script->LangSysRecord[k].LangSysTag); | |
2047 | } | |
e80e09b4 | 2048 | for (l = langsys->FeatureCount - 1; l >= 0; l--) |
c2f5bfd6 KH |
2049 | { |
2050 | OTF_Feature *feature | |
2051 | = gsub_gpos->FeatureList.Feature + langsys->FeatureIndex[l]; | |
2052 | Lisp_Object feature_tag | |
2053 | = otf_tag_symbol (feature->FeatureTag); | |
2054 | ||
2055 | feature_list = Fcons (feature_tag, feature_list); | |
2056 | } | |
2057 | langsys_list = Fcons (Fcons (langsys_tag, feature_list), | |
2058 | langsys_list); | |
2059 | } | |
2060 | script_list = Fcons (Fcons (script_tag, langsys_list), | |
2061 | script_list); | |
2062 | } | |
2063 | ||
2064 | if (i == 0) | |
2065 | XSETCAR (capability, script_list); | |
2066 | else | |
2067 | XSETCDR (capability, script_list); | |
2068 | } | |
2069 | ||
2070 | return capability; | |
2071 | } | |
2072 | ||
733fd013 KH |
2073 | /* Parse OTF features in SPEC and write a proper features spec string |
2074 | in FEATURES for the call of OTF_drive_gsub/gpos (of libotf). It is | |
2075 | assured that the sufficient memory has already allocated for | |
2076 | FEATURES. */ | |
2077 | ||
e80e09b4 | 2078 | static void |
733fd013 | 2079 | generate_otf_features (spec, features) |
c2f5bfd6 | 2080 | Lisp_Object spec; |
733fd013 | 2081 | char *features; |
c2f5bfd6 KH |
2082 | { |
2083 | Lisp_Object val; | |
35027d0c | 2084 | char *p; |
c2f5bfd6 KH |
2085 | int asterisk; |
2086 | ||
733fd013 | 2087 | p = features; |
e80e09b4 | 2088 | *p = '\0'; |
c2f5bfd6 KH |
2089 | for (asterisk = 0; CONSP (spec); spec = XCDR (spec)) |
2090 | { | |
2091 | val = XCAR (spec); | |
e80e09b4 KH |
2092 | CHECK_SYMBOL (val); |
2093 | if (p > features) | |
733fd013 | 2094 | *p++ = ','; |
c2f5bfd6 KH |
2095 | if (SREF (SYMBOL_NAME (val), 0) == '*') |
2096 | { | |
2097 | asterisk = 1; | |
e80e09b4 | 2098 | *p++ = '*'; |
c2f5bfd6 KH |
2099 | } |
2100 | else if (! asterisk) | |
e80e09b4 KH |
2101 | { |
2102 | val = SYMBOL_NAME (val); | |
e80e09b4 KH |
2103 | p += sprintf (p, "%s", SDATA (val)); |
2104 | } | |
c2f5bfd6 | 2105 | else |
e80e09b4 KH |
2106 | { |
2107 | val = SYMBOL_NAME (val); | |
e80e09b4 KH |
2108 | p += sprintf (p, "~%s", SDATA (val)); |
2109 | } | |
c2f5bfd6 | 2110 | } |
e80e09b4 KH |
2111 | if (CONSP (spec)) |
2112 | error ("OTF spec too long"); | |
2113 | } | |
2114 | ||
733fd013 KH |
2115 | Lisp_Object |
2116 | font_otf_DeviceTable (device_table) | |
2117 | OTF_DeviceTable *device_table; | |
2118 | { | |
2119 | int len = device_table->StartSize - device_table->EndSize + 1; | |
2120 | ||
2121 | return Fcons (make_number (len), | |
2122 | make_unibyte_string (device_table->DeltaValue, len)); | |
2123 | } | |
2124 | ||
2125 | Lisp_Object | |
2126 | font_otf_ValueRecord (value_format, value_record) | |
2127 | int value_format; | |
2128 | OTF_ValueRecord *value_record; | |
2129 | { | |
2130 | Lisp_Object val = Fmake_vector (make_number (8), Qnil); | |
2131 | ||
2132 | if (value_format & OTF_XPlacement) | |
43c0454d | 2133 | ASET (val, 0, make_number (value_record->XPlacement)); |
733fd013 | 2134 | if (value_format & OTF_YPlacement) |
43c0454d | 2135 | ASET (val, 1, make_number (value_record->YPlacement)); |
733fd013 | 2136 | if (value_format & OTF_XAdvance) |
43c0454d | 2137 | ASET (val, 2, make_number (value_record->XAdvance)); |
733fd013 | 2138 | if (value_format & OTF_YAdvance) |
43c0454d | 2139 | ASET (val, 3, make_number (value_record->YAdvance)); |
733fd013 KH |
2140 | if (value_format & OTF_XPlaDevice) |
2141 | ASET (val, 4, font_otf_DeviceTable (&value_record->XPlaDevice)); | |
2142 | if (value_format & OTF_YPlaDevice) | |
2143 | ASET (val, 4, font_otf_DeviceTable (&value_record->YPlaDevice)); | |
2144 | if (value_format & OTF_XAdvDevice) | |
2145 | ASET (val, 4, font_otf_DeviceTable (&value_record->XAdvDevice)); | |
2146 | if (value_format & OTF_YAdvDevice) | |
2147 | ASET (val, 4, font_otf_DeviceTable (&value_record->YAdvDevice)); | |
2148 | return val; | |
2149 | } | |
2150 | ||
2151 | Lisp_Object | |
2152 | font_otf_Anchor (anchor) | |
2153 | OTF_Anchor *anchor; | |
2154 | { | |
2155 | Lisp_Object val; | |
2156 | ||
2157 | val = Fmake_vector (make_number (anchor->AnchorFormat + 1), Qnil); | |
2158 | ASET (val, 0, make_number (anchor->XCoordinate)); | |
2159 | ASET (val, 1, make_number (anchor->YCoordinate)); | |
2160 | if (anchor->AnchorFormat == 2) | |
2161 | ASET (val, 2, make_number (anchor->f.f1.AnchorPoint)); | |
2162 | else | |
2163 | { | |
2164 | ASET (val, 3, font_otf_DeviceTable (&anchor->f.f2.XDeviceTable)); | |
2165 | ASET (val, 4, font_otf_DeviceTable (&anchor->f.f2.YDeviceTable)); | |
2166 | } | |
2167 | return val; | |
2168 | } | |
c2f5bfd6 | 2169 | #endif /* HAVE_LIBOTF */ |
6a3dadd2 | 2170 | #endif /* 0 */ |
c2f5bfd6 | 2171 | |
c2f5bfd6 KH |
2172 | \f |
2173 | /* Font sorting */ | |
2174 | ||
f57e2426 J |
2175 | static unsigned font_score (Lisp_Object, Lisp_Object *); |
2176 | static int font_compare (const void *, const void *); | |
2177 | static Lisp_Object font_sort_entities (Lisp_Object, Lisp_Object, | |
2178 | Lisp_Object, int); | |
c2f5bfd6 | 2179 | |
55e41770 KH |
2180 | /* Return a rescaling ratio of FONT_ENTITY. */ |
2181 | extern Lisp_Object Vface_font_rescale_alist; | |
2182 | ||
2183 | static double | |
971de7fb | 2184 | font_rescale_ratio (Lisp_Object font_entity) |
55e41770 KH |
2185 | { |
2186 | Lisp_Object tail, elt; | |
2187 | Lisp_Object name = Qnil; | |
2188 | ||
2189 | for (tail = Vface_font_rescale_alist; CONSP (tail); tail = XCDR (tail)) | |
2190 | { | |
2191 | elt = XCAR (tail); | |
2192 | if (FLOATP (XCDR (elt))) | |
2193 | { | |
2194 | if (STRINGP (XCAR (elt))) | |
2195 | { | |
2196 | if (NILP (name)) | |
2197 | name = Ffont_xlfd_name (font_entity, Qnil); | |
2198 | if (fast_string_match_ignore_case (XCAR (elt), name) >= 0) | |
2199 | return XFLOAT_DATA (XCDR (elt)); | |
2200 | } | |
2201 | else if (FONT_SPEC_P (XCAR (elt))) | |
2202 | { | |
2203 | if (font_match_p (XCAR (elt), font_entity)) | |
2204 | return XFLOAT_DATA (XCDR (elt)); | |
2205 | } | |
2206 | } | |
2207 | } | |
2208 | return 1.0; | |
2209 | } | |
2210 | ||
c2f5bfd6 KH |
2211 | /* We sort fonts by scoring each of them against a specified |
2212 | font-spec. The score value is 32 bit (`unsigned'), and the smaller | |
2213 | the value is, the closer the font is to the font-spec. | |
2214 | ||
4007dd1c KH |
2215 | The lowest 2 bits of the score is used for driver type. The font |
2216 | available by the most preferred font driver is 0. | |
35027d0c | 2217 | |
4007dd1c | 2218 | Each 7-bit in the higher 28 bits are used for numeric properties |
c2f5bfd6 KH |
2219 | WEIGHT, SLANT, WIDTH, and SIZE. */ |
2220 | ||
2221 | /* How many bits to shift to store the difference value of each font | |
35027d0c KH |
2222 | property in a score. Note that flots for FONT_TYPE_INDEX and |
2223 | FONT_REGISTRY_INDEX are not used. */ | |
c2f5bfd6 KH |
2224 | static int sort_shift_bits[FONT_SIZE_INDEX + 1]; |
2225 | ||
9331887d KH |
2226 | /* Score font-entity ENTITY against properties of font-spec SPEC_PROP. |
2227 | The return value indicates how different ENTITY is compared with | |
51c13510 | 2228 | SPEC_PROP. */ |
c2f5bfd6 KH |
2229 | |
2230 | static unsigned | |
971de7fb | 2231 | font_score (Lisp_Object entity, Lisp_Object *spec_prop) |
c2f5bfd6 KH |
2232 | { |
2233 | unsigned score = 0; | |
2234 | int i; | |
c2f5bfd6 | 2235 | |
35027d0c KH |
2236 | /* Score three style numeric fields. Maximum difference is 127. */ |
2237 | for (i = FONT_WEIGHT_INDEX; i <= FONT_WIDTH_INDEX; i++) | |
2238 | if (! NILP (spec_prop[i]) && ! EQ (AREF (entity, i), spec_prop[i])) | |
2239 | { | |
2240 | int diff = (XINT (AREF (entity, i)) >> 8) - (XINT (spec_prop[i]) >> 8); | |
2241 | ||
2242 | if (diff < 0) | |
2243 | diff = - diff; | |
f4cc0153 KH |
2244 | if (diff > 0) |
2245 | score |= min (diff, 127) << sort_shift_bits[i]; | |
35027d0c KH |
2246 | } |
2247 | ||
2248 | /* Score the size. Maximum difference is 127. */ | |
2249 | i = FONT_SIZE_INDEX; | |
55e41770 KH |
2250 | if (! NILP (spec_prop[FONT_SIZE_INDEX]) |
2251 | && XINT (AREF (entity, FONT_SIZE_INDEX)) > 0) | |
35027d0c KH |
2252 | { |
2253 | /* We use the higher 6-bit for the actual size difference. The | |
2254 | lowest bit is set if the DPI is different. */ | |
55e41770 KH |
2255 | int diff; |
2256 | int pixel_size = XINT (spec_prop[FONT_SIZE_INDEX]); | |
35027d0c | 2257 | |
55e41770 KH |
2258 | if (CONSP (Vface_font_rescale_alist)) |
2259 | pixel_size *= font_rescale_ratio (entity); | |
2260 | diff = pixel_size - XINT (AREF (entity, FONT_SIZE_INDEX)); | |
35027d0c KH |
2261 | if (diff < 0) |
2262 | diff = - diff; | |
d0ab1ebe | 2263 | diff <<= 1; |
35027d0c KH |
2264 | if (! NILP (spec_prop[FONT_DPI_INDEX]) |
2265 | && ! EQ (spec_prop[FONT_DPI_INDEX], AREF (entity, FONT_DPI_INDEX))) | |
2266 | diff |= 1; | |
c0a6070d KH |
2267 | if (! NILP (spec_prop[FONT_AVGWIDTH_INDEX]) |
2268 | && ! EQ (spec_prop[FONT_AVGWIDTH_INDEX], AREF (entity, FONT_AVGWIDTH_INDEX))) | |
2269 | diff |= 1; | |
35027d0c | 2270 | score |= min (diff, 127) << sort_shift_bits[FONT_SIZE_INDEX]; |
c2f5bfd6 KH |
2271 | } |
2272 | ||
2273 | return score; | |
2274 | } | |
2275 | ||
2276 | ||
72d36834 KH |
2277 | /* Concatenate all elements of LIST into one vector. LIST is a list |
2278 | of font-entity vectors. */ | |
c2f5bfd6 | 2279 | |
72d36834 KH |
2280 | static Lisp_Object |
2281 | font_vconcat_entity_vectors (Lisp_Object list) | |
c2f5bfd6 | 2282 | { |
72d36834 KH |
2283 | int nargs = XINT (Flength (list)); |
2284 | Lisp_Object *args = alloca (sizeof (Lisp_Object) * nargs); | |
2285 | int i; | |
2286 | ||
2287 | for (i = 0; i < nargs; i++, list = XCDR (list)) | |
2288 | args[i] = XCAR (list); | |
2289 | return Fvconcat (nargs, args); | |
c2f5bfd6 KH |
2290 | } |
2291 | ||
2292 | ||
2293 | /* The structure for elements being sorted by qsort. */ | |
2294 | struct font_sort_data | |
2295 | { | |
2296 | unsigned score; | |
72d36834 | 2297 | int font_driver_preference; |
c2f5bfd6 KH |
2298 | Lisp_Object entity; |
2299 | }; | |
2300 | ||
2301 | ||
72d36834 KH |
2302 | /* The comparison function for qsort. */ |
2303 | ||
2304 | static int | |
971de7fb | 2305 | font_compare (const void *d1, const void *d2) |
72d36834 KH |
2306 | { |
2307 | const struct font_sort_data *data1 = d1; | |
2308 | const struct font_sort_data *data2 = d2; | |
2309 | ||
2310 | if (data1->score < data2->score) | |
2311 | return -1; | |
2312 | else if (data1->score > data2->score) | |
2313 | return 1; | |
2314 | return (data1->font_driver_preference - data2->font_driver_preference); | |
2315 | } | |
2316 | ||
2317 | ||
2318 | /* Sort each font-entity vector in LIST by closeness to font-spec PREFER. | |
c2f5bfd6 | 2319 | If PREFER specifies a point-size, calculate the corresponding |
9331887d | 2320 | pixel-size from QCdpi property of PREFER or from the Y-resolution |
7181ea6a | 2321 | of FRAME before sorting. |
35027d0c | 2322 | |
c9477f01 KH |
2323 | If BEST-ONLY is nonzero, return the best matching entity (that |
2324 | supports the character BEST-ONLY if BEST-ONLY is positive, or any | |
72d36834 KH |
2325 | if BEST-ONLY is negative). Otherwise, return the sorted result as |
2326 | a single vector of font-entities. | |
c9477f01 | 2327 | |
72d36834 KH |
2328 | This function does no optimization for the case that the total |
2329 | number of elements is 1. The caller should avoid calling this in | |
2330 | such a case. */ | |
c2f5bfd6 KH |
2331 | |
2332 | static Lisp_Object | |
971de7fb | 2333 | font_sort_entities (Lisp_Object list, Lisp_Object prefer, Lisp_Object frame, int best_only) |
c2f5bfd6 | 2334 | { |
9331887d | 2335 | Lisp_Object prefer_prop[FONT_SPEC_MAX]; |
72d36834 | 2336 | int len, maxlen, i; |
c2f5bfd6 | 2337 | struct font_sort_data *data; |
35027d0c | 2338 | unsigned best_score; |
72d36834 | 2339 | Lisp_Object best_entity; |
4007dd1c | 2340 | struct frame *f = XFRAME (frame); |
72d36834 | 2341 | Lisp_Object tail, vec; |
c2f5bfd6 KH |
2342 | USE_SAFE_ALLOCA; |
2343 | ||
9903d1e6 | 2344 | for (i = FONT_WEIGHT_INDEX; i <= FONT_AVGWIDTH_INDEX; i++) |
9331887d | 2345 | prefer_prop[i] = AREF (prefer, i); |
9331887d KH |
2346 | if (FLOATP (prefer_prop[FONT_SIZE_INDEX])) |
2347 | prefer_prop[FONT_SIZE_INDEX] | |
2348 | = make_number (font_pixel_size (XFRAME (frame), prefer)); | |
2349 | ||
72d36834 KH |
2350 | if (NILP (XCDR (list))) |
2351 | { | |
2352 | /* What we have to take care of is this single vector. */ | |
2353 | vec = XCAR (list); | |
2354 | maxlen = ASIZE (vec); | |
2355 | } | |
2356 | else if (best_only) | |
2357 | { | |
2358 | /* We don't have to perform sort, so there's no need of creating | |
2359 | a single vector. But, we must find the length of the longest | |
2360 | vector. */ | |
2361 | maxlen = 0; | |
2362 | for (tail = list; CONSP (tail); tail = XCDR (tail)) | |
2363 | if (maxlen < ASIZE (XCAR (tail))) | |
2364 | maxlen = ASIZE (XCAR (tail)); | |
2365 | } | |
2366 | else | |
2367 | { | |
2368 | /* We have to create a single vector to sort it. */ | |
2369 | vec = font_vconcat_entity_vectors (list); | |
2370 | maxlen = ASIZE (vec); | |
2371 | } | |
2372 | ||
2373 | SAFE_ALLOCA (data, struct font_sort_data *, (sizeof *data) * maxlen); | |
c9477f01 KH |
2374 | best_score = 0xFFFFFFFF; |
2375 | best_entity = Qnil; | |
72d36834 KH |
2376 | |
2377 | for (tail = list; CONSP (tail); tail = XCDR (tail)) | |
c2f5bfd6 | 2378 | { |
72d36834 KH |
2379 | int font_driver_preference = 0; |
2380 | Lisp_Object current_font_driver; | |
ce75f06e | 2381 | |
72d36834 KH |
2382 | if (best_only) |
2383 | vec = XCAR (tail); | |
2384 | len = ASIZE (vec); | |
2385 | ||
2386 | /* We are sure that the length of VEC > 0. */ | |
2387 | current_font_driver = AREF (AREF (vec, 0), FONT_TYPE_INDEX); | |
2388 | /* Score the elements. */ | |
2389 | for (i = 0; i < len; i++) | |
35027d0c | 2390 | { |
72d36834 KH |
2391 | data[i].entity = AREF (vec, i); |
2392 | data[i].score | |
2393 | = ((best_only <= 0 || font_has_char (f, data[i].entity, best_only) | |
2394 | > 0) | |
2395 | ? font_score (data[i].entity, prefer_prop) | |
2396 | : 0xFFFFFFFF); | |
2397 | if (best_only && best_score > data[i].score) | |
2398 | { | |
2399 | best_score = data[i].score; | |
2400 | best_entity = data[i].entity; | |
2401 | if (best_score == 0) | |
2402 | break; | |
2403 | } | |
2404 | if (! EQ (current_font_driver, AREF (AREF (vec, i), FONT_TYPE_INDEX))) | |
2405 | { | |
2406 | current_font_driver = AREF (AREF (vec, i), FONT_TYPE_INDEX); | |
2407 | font_driver_preference++; | |
2408 | } | |
2409 | data[i].font_driver_preference = font_driver_preference; | |
35027d0c | 2410 | } |
72d36834 KH |
2411 | |
2412 | /* Sort if necessary. */ | |
2413 | if (! best_only) | |
2414 | { | |
2415 | qsort (data, len, sizeof *data, font_compare); | |
2416 | for (i = 0; i < len; i++) | |
2417 | ASET (vec, i, data[i].entity); | |
2418 | break; | |
2419 | } | |
2420 | else | |
2421 | vec = best_entity; | |
c2f5bfd6 | 2422 | } |
72d36834 | 2423 | |
c2f5bfd6 KH |
2424 | SAFE_FREE (); |
2425 | ||
652b9560 | 2426 | FONT_ADD_LOG ("sort-by", prefer, vec); |
c2f5bfd6 KH |
2427 | return vec; |
2428 | } | |
2429 | ||
2430 | \f | |
2431 | /* API of Font Service Layer. */ | |
2432 | ||
45eb10fb KH |
2433 | /* Reflect ORDER (see the variable font_sort_order in xfaces.c) to |
2434 | sort_shift_bits. Finternal_set_font_selection_order calls this | |
2435 | function with font_sort_order after setting up it. */ | |
2436 | ||
c2f5bfd6 | 2437 | void |
971de7fb | 2438 | font_update_sort_order (int *order) |
c2f5bfd6 | 2439 | { |
35027d0c | 2440 | int i, shift_bits; |
c2f5bfd6 | 2441 | |
943b7eea | 2442 | for (i = 0, shift_bits = 23; i < 4; i++, shift_bits -= 7) |
c2f5bfd6 KH |
2443 | { |
2444 | int xlfd_idx = order[i]; | |
2445 | ||
2446 | if (xlfd_idx == XLFD_WEIGHT_INDEX) | |
2447 | sort_shift_bits[FONT_WEIGHT_INDEX] = shift_bits; | |
2448 | else if (xlfd_idx == XLFD_SLANT_INDEX) | |
2449 | sort_shift_bits[FONT_SLANT_INDEX] = shift_bits; | |
2450 | else if (xlfd_idx == XLFD_SWIDTH_INDEX) | |
2451 | sort_shift_bits[FONT_WIDTH_INDEX] = shift_bits; | |
2452 | else | |
2453 | sort_shift_bits[FONT_SIZE_INDEX] = shift_bits; | |
2454 | } | |
2455 | } | |
2456 | ||
51c13510 | 2457 | static int |
971de7fb | 2458 | font_check_otf_features (Lisp_Object script, Lisp_Object langsys, Lisp_Object features, Lisp_Object table) |
51c13510 KH |
2459 | { |
2460 | Lisp_Object val; | |
2461 | int negative; | |
2462 | ||
2463 | table = assq_no_quit (script, table); | |
2464 | if (NILP (table)) | |
2465 | return 0; | |
2466 | table = XCDR (table); | |
2467 | if (! NILP (langsys)) | |
2468 | { | |
2469 | table = assq_no_quit (langsys, table); | |
2470 | if (NILP (table)) | |
2471 | return 0; | |
2472 | } | |
2473 | else | |
2474 | { | |
2475 | val = assq_no_quit (Qnil, table); | |
2476 | if (NILP (val)) | |
2477 | table = XCAR (table); | |
2478 | else | |
2479 | table = val; | |
2480 | } | |
2481 | table = XCDR (table); | |
2482 | for (negative = 0; CONSP (features); features = XCDR (features)) | |
2483 | { | |
2484 | if (NILP (XCAR (features))) | |
c423ecca KH |
2485 | { |
2486 | negative = 1; | |
2487 | continue; | |
2488 | } | |
51c13510 KH |
2489 | if (NILP (Fmemq (XCAR (features), table)) != negative) |
2490 | return 0; | |
2491 | } | |
2492 | return 1; | |
2493 | } | |
2494 | ||
2495 | /* Check if OTF_CAPABILITY satisfies SPEC (otf-spec). */ | |
2496 | ||
2497 | static int | |
3cba9369 | 2498 | font_check_otf (Lisp_Object spec, Lisp_Object otf_capability) |
51c13510 KH |
2499 | { |
2500 | Lisp_Object script, langsys = Qnil, gsub = Qnil, gpos = Qnil; | |
2501 | ||
2502 | script = XCAR (spec); | |
2503 | spec = XCDR (spec); | |
2504 | if (! NILP (spec)) | |
2505 | { | |
2506 | langsys = XCAR (spec); | |
2507 | spec = XCDR (spec); | |
2508 | if (! NILP (spec)) | |
2509 | { | |
2510 | gsub = XCAR (spec); | |
2511 | spec = XCDR (spec); | |
2512 | if (! NILP (spec)) | |
2513 | gpos = XCAR (spec); | |
2514 | } | |
2515 | } | |
2516 | ||
2517 | if (! NILP (gsub) && ! font_check_otf_features (script, langsys, gsub, | |
2518 | XCAR (otf_capability))) | |
2519 | return 0; | |
2520 | if (! NILP (gpos) && ! font_check_otf_features (script, langsys, gpos, | |
2521 | XCDR (otf_capability))) | |
2522 | return 0; | |
2523 | return 1; | |
2524 | } | |
2525 | ||
45eb10fb | 2526 | |
51c13510 KH |
2527 | |
2528 | /* Check if FONT (font-entity or font-object) matches with the font | |
2529 | specification SPEC. */ | |
45eb10fb | 2530 | |
ef18374f | 2531 | int |
971de7fb | 2532 | font_match_p (Lisp_Object spec, Lisp_Object font) |
ef18374f | 2533 | { |
51c13510 KH |
2534 | Lisp_Object prop[FONT_SPEC_MAX], *props; |
2535 | Lisp_Object extra, font_extra; | |
ef18374f KH |
2536 | int i; |
2537 | ||
51c13510 KH |
2538 | for (i = FONT_FOUNDRY_INDEX; i <= FONT_REGISTRY_INDEX; i++) |
2539 | if (! NILP (AREF (spec, i)) | |
2540 | && ! NILP (AREF (font, i)) | |
2541 | && ! EQ (AREF (spec, i), AREF (font, i))) | |
2542 | return 0; | |
2543 | props = XFONT_SPEC (spec)->props; | |
2544 | if (FLOATP (props[FONT_SIZE_INDEX])) | |
2545 | { | |
2546 | for (i = FONT_FOUNDRY_INDEX; i < FONT_SIZE_INDEX; i++) | |
2547 | prop[i] = AREF (spec, i); | |
2548 | prop[FONT_SIZE_INDEX] | |
2549 | = make_number (font_pixel_size (XFRAME (selected_frame), spec)); | |
2550 | props = prop; | |
2551 | } | |
2552 | ||
2553 | if (font_score (font, props) > 0) | |
2554 | return 0; | |
2555 | extra = AREF (spec, FONT_EXTRA_INDEX); | |
2556 | font_extra = AREF (font, FONT_EXTRA_INDEX); | |
2557 | for (; CONSP (extra); extra = XCDR (extra)) | |
35027d0c | 2558 | { |
51c13510 KH |
2559 | Lisp_Object key = XCAR (XCAR (extra)); |
2560 | Lisp_Object val = XCDR (XCAR (extra)), val2; | |
2561 | ||
2562 | if (EQ (key, QClang)) | |
2563 | { | |
2564 | val2 = assq_no_quit (key, font_extra); | |
2565 | if (NILP (val2)) | |
2566 | return 0; | |
2567 | val2 = XCDR (val2); | |
2568 | if (CONSP (val)) | |
2569 | { | |
2570 | if (! CONSP (val2)) | |
2571 | return 0; | |
2572 | while (CONSP (val)) | |
2573 | if (NILP (Fmemq (val, val2))) | |
2574 | return 0; | |
2575 | } | |
2576 | else | |
2577 | if (CONSP (val2) | |
2578 | ? NILP (Fmemq (val, XCDR (val2))) | |
2579 | : ! EQ (val, val2)) | |
2580 | return 0; | |
2581 | } | |
2582 | else if (EQ (key, QCscript)) | |
2583 | { | |
2584 | val2 = assq_no_quit (val, Vscript_representative_chars); | |
5bdd4dd2 KH |
2585 | if (CONSP (val2)) |
2586 | { | |
2587 | val2 = XCDR (val2); | |
2588 | if (CONSP (val2)) | |
2589 | { | |
2590 | /* All characters in the list must be supported. */ | |
2591 | for (; CONSP (val2); val2 = XCDR (val2)) | |
2592 | { | |
2593 | if (! NATNUMP (XCAR (val2))) | |
2594 | continue; | |
2595 | if (font_encode_char (font, XFASTINT (XCAR (val2))) | |
2596 | == FONT_INVALID_CODE) | |
2597 | return 0; | |
2598 | } | |
2599 | } | |
2600 | else if (VECTORP (val2)) | |
2601 | { | |
2602 | /* At most one character in the vector must be supported. */ | |
2603 | for (i = 0; i < ASIZE (val2); i++) | |
2604 | { | |
2605 | if (! NATNUMP (AREF (val2, i))) | |
2606 | continue; | |
2607 | if (font_encode_char (font, XFASTINT (AREF (val2, i))) | |
2608 | != FONT_INVALID_CODE) | |
f5485732 | 2609 | break; |
5bdd4dd2 KH |
2610 | } |
2611 | if (i == ASIZE (val2)) | |
2612 | return 0; | |
2613 | } | |
2614 | } | |
51c13510 KH |
2615 | } |
2616 | else if (EQ (key, QCotf)) | |
2617 | { | |
2618 | struct font *fontp; | |
2619 | ||
2620 | if (! FONT_OBJECT_P (font)) | |
2621 | return 0; | |
2622 | fontp = XFONT_OBJECT (font); | |
2623 | if (! fontp->driver->otf_capability) | |
2624 | return 0; | |
2625 | val2 = fontp->driver->otf_capability (fontp); | |
2626 | if (NILP (val2) || ! font_check_otf (val, val2)) | |
2627 | return 0; | |
2628 | } | |
35027d0c KH |
2629 | } |
2630 | ||
51c13510 | 2631 | return 1; |
ef18374f | 2632 | } |
ca4da08a | 2633 | \f |
819e81df | 2634 | |
ca4da08a KH |
2635 | /* Font cache |
2636 | ||
2637 | Each font backend has the callback function get_cache, and it | |
2638 | returns a cons cell of which cdr part can be freely used for | |
2639 | caching fonts. The cons cell may be shared by multiple frames | |
2640 | and/or multiple font drivers. So, we arrange the cdr part as this: | |
2641 | ||
2642 | ((DRIVER-TYPE NUM-FRAMES FONT-CACHE-DATA ...) ...) | |
2643 | ||
2644 | where DRIVER-TYPE is a symbol such as `x', `xft', etc., NUM-FRAMES | |
2645 | is a number frames sharing this cache, and FONT-CACHE-DATA is a | |
2646 | cons (FONT-SPEC FONT-ENTITY ...). */ | |
2647 | ||
f57e2426 J |
2648 | static void font_prepare_cache (FRAME_PTR, struct font_driver *); |
2649 | static void font_finish_cache (FRAME_PTR, struct font_driver *); | |
2650 | static Lisp_Object font_get_cache (FRAME_PTR, struct font_driver *); | |
2651 | static void font_clear_cache (FRAME_PTR, Lisp_Object, | |
2652 | struct font_driver *); | |
ca4da08a KH |
2653 | |
2654 | static void | |
971de7fb | 2655 | font_prepare_cache (FRAME_PTR f, struct font_driver *driver) |
ca4da08a KH |
2656 | { |
2657 | Lisp_Object cache, val; | |
2658 | ||
2659 | cache = driver->get_cache (f); | |
2660 | val = XCDR (cache); | |
2661 | while (CONSP (val) && ! EQ (XCAR (XCAR (val)), driver->type)) | |
2662 | val = XCDR (val); | |
2663 | if (NILP (val)) | |
2664 | { | |
2665 | val = Fcons (driver->type, Fcons (make_number (1), Qnil)); | |
2666 | XSETCDR (cache, Fcons (val, XCDR (cache))); | |
2667 | } | |
2668 | else | |
2669 | { | |
2670 | val = XCDR (XCAR (val)); | |
2671 | XSETCAR (val, make_number (XINT (XCAR (val)) + 1)); | |
2672 | } | |
2673 | } | |
2674 | ||
43c0454d | 2675 | |
ca4da08a | 2676 | static void |
971de7fb | 2677 | font_finish_cache (FRAME_PTR f, struct font_driver *driver) |
ca4da08a KH |
2678 | { |
2679 | Lisp_Object cache, val, tmp; | |
2680 | ||
2681 | ||
2682 | cache = driver->get_cache (f); | |
2683 | val = XCDR (cache); | |
2684 | while (CONSP (val) && ! EQ (XCAR (XCAR (val)), driver->type)) | |
2685 | cache = val, val = XCDR (val); | |
d0ab1ebe | 2686 | font_assert (! NILP (val)); |
ca4da08a | 2687 | tmp = XCDR (XCAR (val)); |
43c0454d | 2688 | XSETCAR (tmp, make_number (XINT (XCAR (tmp)) - 1)); |
ca4da08a KH |
2689 | if (XINT (XCAR (tmp)) == 0) |
2690 | { | |
2691 | font_clear_cache (f, XCAR (val), driver); | |
2692 | XSETCDR (cache, XCDR (val)); | |
2693 | } | |
ca4da08a KH |
2694 | } |
2695 | ||
43c0454d | 2696 | |
ca4da08a | 2697 | static Lisp_Object |
971de7fb | 2698 | font_get_cache (FRAME_PTR f, struct font_driver *driver) |
ca4da08a KH |
2699 | { |
2700 | Lisp_Object val = driver->get_cache (f); | |
2701 | Lisp_Object type = driver->type; | |
2702 | ||
d0ab1ebe | 2703 | font_assert (CONSP (val)); |
ca4da08a | 2704 | for (val = XCDR (val); ! EQ (XCAR (XCAR (val)), type); val = XCDR (val)); |
d0ab1ebe | 2705 | font_assert (CONSP (val)); |
ca4da08a KH |
2706 | /* VAL = ((DRIVER-TYPE NUM-FRAMES FONT-CACHE-DATA ...) ...) */ |
2707 | val = XCDR (XCAR (val)); | |
2708 | return val; | |
2709 | } | |
2710 | ||
43c0454d KH |
2711 | static int num_fonts; |
2712 | ||
ca4da08a | 2713 | static void |
971de7fb | 2714 | font_clear_cache (FRAME_PTR f, Lisp_Object cache, struct font_driver *driver) |
ca4da08a KH |
2715 | { |
2716 | Lisp_Object tail, elt; | |
6136b72f | 2717 | Lisp_Object tail2, entity; |
51c01100 | 2718 | |
ca4da08a KH |
2719 | /* CACHE = (DRIVER-TYPE NUM-FRAMES FONT-CACHE-DATA ...) */ |
2720 | for (tail = XCDR (XCDR (cache)); CONSP (tail); tail = XCDR (tail)) | |
2721 | { | |
2722 | elt = XCAR (tail); | |
6136b72f CY |
2723 | /* elt should have the form (FONT-SPEC FONT-ENTITY ...) */ |
2724 | if (CONSP (elt) && FONT_SPEC_P (XCAR (elt))) | |
ca4da08a | 2725 | { |
6136b72f | 2726 | for (tail2 = XCDR (elt); CONSP (tail2); tail2 = XCDR (tail2)) |
ca4da08a | 2727 | { |
6136b72f | 2728 | entity = XCAR (tail2); |
ca4da08a | 2729 | |
6136b72f CY |
2730 | if (FONT_ENTITY_P (entity) |
2731 | && EQ (driver->type, AREF (entity, FONT_TYPE_INDEX))) | |
ca4da08a KH |
2732 | { |
2733 | Lisp_Object objlist = AREF (entity, FONT_OBJLIST_INDEX); | |
2734 | ||
2735 | for (; CONSP (objlist); objlist = XCDR (objlist)) | |
2736 | { | |
2737 | Lisp_Object val = XCAR (objlist); | |
35027d0c | 2738 | struct font *font = XFONT_OBJECT (val); |
ca4da08a | 2739 | |
5e634ec9 KH |
2740 | if (! NILP (AREF (val, FONT_TYPE_INDEX))) |
2741 | { | |
2742 | font_assert (font && driver == font->driver); | |
2743 | driver->close (f, font); | |
2744 | num_fonts--; | |
2745 | } | |
ca4da08a KH |
2746 | } |
2747 | if (driver->free_entity) | |
2748 | driver->free_entity (entity); | |
2749 | } | |
2750 | } | |
2751 | } | |
2752 | } | |
2753 | XSETCDR (cache, Qnil); | |
2754 | } | |
2755 | \f | |
2756 | ||
c2f5bfd6 KH |
2757 | static Lisp_Object scratch_font_spec, scratch_font_prefer; |
2758 | ||
7d56b2dd KH |
2759 | /* Check each font-entity in VEC, and return a list of font-entities |
2760 | that satisfy this condition: | |
2761 | (1) matches with SPEC and SIZE if SPEC is not nil, and | |
2762 | (2) doesn't match with any regexps in Vface_ignored_fonts (if non-nil). | |
2763 | */ | |
2764 | ||
2765 | extern Lisp_Object Vface_ignored_fonts; | |
2766 | ||
35027d0c | 2767 | Lisp_Object |
971de7fb | 2768 | font_delete_unmatched (Lisp_Object vec, Lisp_Object spec, int size) |
35027d0c | 2769 | { |
d0ab1ebe | 2770 | Lisp_Object entity, val; |
35027d0c | 2771 | enum font_property_index prop; |
72d36834 | 2772 | int i; |
45eb10fb | 2773 | |
72d36834 | 2774 | for (val = Qnil, i = ASIZE (vec) - 1; i >= 0; i--) |
35027d0c | 2775 | { |
72d36834 | 2776 | entity = AREF (vec, i); |
7d56b2dd KH |
2777 | if (! NILP (Vface_ignored_fonts)) |
2778 | { | |
2779 | char name[256]; | |
2780 | Lisp_Object tail, regexp; | |
2781 | ||
2782 | if (font_unparse_xlfd (entity, 0, name, 256) >= 0) | |
2783 | { | |
2784 | for (tail = Vface_ignored_fonts; CONSP (tail); tail = XCDR (tail)) | |
2785 | { | |
2786 | regexp = XCAR (tail); | |
2787 | if (STRINGP (regexp) | |
2788 | && fast_c_string_match_ignore_case (regexp, name) >= 0) | |
2789 | break; | |
2790 | } | |
2791 | if (CONSP (tail)) | |
2792 | continue; | |
2793 | } | |
2794 | } | |
2795 | if (NILP (spec)) | |
2796 | { | |
2797 | val = Fcons (entity, val); | |
2798 | continue; | |
2799 | } | |
35027d0c KH |
2800 | for (prop = FONT_WEIGHT_INDEX; prop < FONT_SIZE_INDEX; prop++) |
2801 | if (INTEGERP (AREF (spec, prop)) | |
2802 | && ((XINT (AREF (spec, prop)) >> 8) | |
2803 | != (XINT (AREF (entity, prop)) >> 8))) | |
2804 | prop = FONT_SPEC_MAX; | |
7181ea6a | 2805 | if (prop < FONT_SPEC_MAX |
35027d0c KH |
2806 | && size |
2807 | && XINT (AREF (entity, FONT_SIZE_INDEX)) > 0) | |
2808 | { | |
2809 | int diff = XINT (AREF (entity, FONT_SIZE_INDEX)) - size; | |
c2f5bfd6 | 2810 | |
35027d0c KH |
2811 | if (diff != 0 |
2812 | && (diff < 0 ? -diff > FONT_PIXEL_SIZE_QUANTUM | |
2813 | : diff > FONT_PIXEL_SIZE_QUANTUM)) | |
2814 | prop = FONT_SPEC_MAX; | |
2815 | } | |
7181ea6a KH |
2816 | if (prop < FONT_SPEC_MAX |
2817 | && INTEGERP (AREF (spec, FONT_DPI_INDEX)) | |
2818 | && INTEGERP (AREF (entity, FONT_DPI_INDEX)) | |
c576d6dc | 2819 | && XINT (AREF (entity, FONT_DPI_INDEX)) != 0 |
7181ea6a KH |
2820 | && ! EQ (AREF (spec, FONT_DPI_INDEX), AREF (entity, FONT_DPI_INDEX))) |
2821 | prop = FONT_SPEC_MAX; | |
2822 | if (prop < FONT_SPEC_MAX | |
2823 | && INTEGERP (AREF (spec, FONT_AVGWIDTH_INDEX)) | |
2824 | && INTEGERP (AREF (entity, FONT_AVGWIDTH_INDEX)) | |
c576d6dc | 2825 | && XINT (AREF (entity, FONT_AVGWIDTH_INDEX)) != 0 |
7181ea6a KH |
2826 | && ! EQ (AREF (spec, FONT_AVGWIDTH_INDEX), |
2827 | AREF (entity, FONT_AVGWIDTH_INDEX))) | |
2828 | prop = FONT_SPEC_MAX; | |
35027d0c | 2829 | if (prop < FONT_SPEC_MAX) |
d0ab1ebe | 2830 | val = Fcons (entity, val); |
35027d0c | 2831 | } |
72d36834 | 2832 | return (Fvconcat (1, &val)); |
35027d0c KH |
2833 | } |
2834 | ||
2835 | ||
72d36834 | 2836 | /* Return a list of vectors of font-entities matching with SPEC on |
ce75f06e CY |
2837 | FRAME. Each elements in the list is a vector of entities from the |
2838 | same font-driver. */ | |
35027d0c KH |
2839 | |
2840 | Lisp_Object | |
971de7fb | 2841 | font_list_entities (Lisp_Object frame, Lisp_Object spec) |
c2f5bfd6 KH |
2842 | { |
2843 | FRAME_PTR f = XFRAME (frame); | |
2844 | struct font_driver_list *driver_list = f->font_driver_list; | |
4007dd1c | 2845 | Lisp_Object ftype, val; |
72d36834 | 2846 | Lisp_Object list = Qnil; |
35027d0c KH |
2847 | int size; |
2848 | int need_filtering = 0; | |
c2f5bfd6 KH |
2849 | int i; |
2850 | ||
d0ab1ebe | 2851 | font_assert (FONT_SPEC_P (spec)); |
c2f5bfd6 | 2852 | |
35027d0c KH |
2853 | if (INTEGERP (AREF (spec, FONT_SIZE_INDEX))) |
2854 | size = XINT (AREF (spec, FONT_SIZE_INDEX)); | |
2855 | else if (FLOATP (AREF (spec, FONT_SIZE_INDEX))) | |
2856 | size = font_pixel_size (f, spec); | |
2857 | else | |
2858 | size = 0; | |
2859 | ||
c2f5bfd6 | 2860 | ftype = AREF (spec, FONT_TYPE_INDEX); |
4007dd1c | 2861 | for (i = FONT_FOUNDRY_INDEX; i <= FONT_REGISTRY_INDEX; i++) |
35027d0c | 2862 | ASET (scratch_font_spec, i, AREF (spec, i)); |
4007dd1c | 2863 | for (i = FONT_WEIGHT_INDEX; i < FONT_EXTRA_INDEX; i++) |
35027d0c KH |
2864 | { |
2865 | ASET (scratch_font_spec, i, Qnil); | |
2866 | if (! NILP (AREF (spec, i))) | |
2867 | need_filtering = 1; | |
4007dd1c KH |
2868 | if (i == FONT_DPI_INDEX) |
2869 | /* Skip FONT_SPACING_INDEX */ | |
2870 | i++; | |
35027d0c | 2871 | } |
aa50ca2f | 2872 | ASET (scratch_font_spec, FONT_SPACING_INDEX, AREF (spec, FONT_SPACING_INDEX)); |
35027d0c KH |
2873 | ASET (scratch_font_spec, FONT_EXTRA_INDEX, AREF (spec, FONT_EXTRA_INDEX)); |
2874 | ||
c2f5bfd6 | 2875 | for (i = 0; driver_list; driver_list = driver_list->next) |
417a1b10 KH |
2876 | if (driver_list->on |
2877 | && (NILP (ftype) || EQ (driver_list->driver->type, ftype))) | |
c2f5bfd6 | 2878 | { |
ca4da08a | 2879 | Lisp_Object cache = font_get_cache (f, driver_list->driver); |
c2f5bfd6 | 2880 | |
e4c93315 | 2881 | ASET (scratch_font_spec, FONT_TYPE_INDEX, driver_list->driver->type); |
4007dd1c KH |
2882 | val = assoc_no_quit (scratch_font_spec, XCDR (cache)); |
2883 | if (CONSP (val)) | |
2884 | val = XCDR (val); | |
2885 | else | |
c2f5bfd6 | 2886 | { |
4007dd1c | 2887 | Lisp_Object copy; |
35027d0c | 2888 | |
4007dd1c | 2889 | val = driver_list->driver->list (frame, scratch_font_spec); |
72d36834 KH |
2890 | if (NILP (val)) |
2891 | val = null_vector; | |
2892 | else | |
2893 | val = Fvconcat (1, &val); | |
4007dd1c KH |
2894 | copy = Fcopy_font_spec (scratch_font_spec); |
2895 | ASET (copy, FONT_TYPE_INDEX, driver_list->driver->type); | |
2896 | XSETCDR (cache, Fcons (Fcons (copy, val), XCDR (cache))); | |
c2f5bfd6 | 2897 | } |
7d56b2dd KH |
2898 | if (ASIZE (val) > 0 |
2899 | && (need_filtering | |
2900 | || ! NILP (Vface_ignored_fonts))) | |
2901 | val = font_delete_unmatched (val, need_filtering ? spec : Qnil, size); | |
72d36834 KH |
2902 | if (ASIZE (val) > 0) |
2903 | list = Fcons (val, list); | |
c2f5bfd6 | 2904 | } |
35027d0c | 2905 | |
72d36834 KH |
2906 | list = Fnreverse (list); |
2907 | FONT_ADD_LOG ("list", spec, list); | |
2908 | return list; | |
c2f5bfd6 KH |
2909 | } |
2910 | ||
45eb10fb | 2911 | |
35027d0c KH |
2912 | /* Return a font entity matching with SPEC on FRAME. ATTRS, if non |
2913 | nil, is an array of face's attributes, which specifies preferred | |
2914 | font-related attributes. */ | |
45eb10fb | 2915 | |
e950d6f1 | 2916 | static Lisp_Object |
971de7fb | 2917 | font_matching_entity (FRAME_PTR f, Lisp_Object *attrs, Lisp_Object spec) |
e950d6f1 | 2918 | { |
e950d6f1 KH |
2919 | struct font_driver_list *driver_list = f->font_driver_list; |
2920 | Lisp_Object ftype, size, entity; | |
35027d0c | 2921 | Lisp_Object frame; |
819ab95f | 2922 | Lisp_Object work = Fcopy_font_spec (spec); |
e950d6f1 | 2923 | |
35027d0c | 2924 | XSETFRAME (frame, f); |
e950d6f1 KH |
2925 | ftype = AREF (spec, FONT_TYPE_INDEX); |
2926 | size = AREF (spec, FONT_SIZE_INDEX); | |
819ab95f | 2927 | |
8d0e382e AR |
2928 | if (FLOATP (size)) |
2929 | ASET (work, FONT_SIZE_INDEX, make_number (font_pixel_size (f, spec))); | |
819ab95f KH |
2930 | FONT_SET_STYLE (work, FONT_WEIGHT_INDEX, attrs[LFACE_WEIGHT_INDEX]); |
2931 | FONT_SET_STYLE (work, FONT_SLANT_INDEX, attrs[LFACE_SLANT_INDEX]); | |
2932 | FONT_SET_STYLE (work, FONT_WIDTH_INDEX, attrs[LFACE_SWIDTH_INDEX]); | |
2933 | ||
e950d6f1 KH |
2934 | entity = Qnil; |
2935 | for (; driver_list; driver_list = driver_list->next) | |
2936 | if (driver_list->on | |
2937 | && (NILP (ftype) || EQ (driver_list->driver->type, ftype))) | |
2938 | { | |
ca4da08a | 2939 | Lisp_Object cache = font_get_cache (f, driver_list->driver); |
7cee5d63 | 2940 | Lisp_Object copy; |
e950d6f1 | 2941 | |
819ab95f KH |
2942 | ASET (work, FONT_TYPE_INDEX, driver_list->driver->type); |
2943 | entity = assoc_no_quit (work, XCDR (cache)); | |
7cee5d63 | 2944 | if (CONSP (entity)) |
e950d6f1 KH |
2945 | entity = XCDR (entity); |
2946 | else | |
2947 | { | |
819ab95f KH |
2948 | entity = driver_list->driver->match (frame, work); |
2949 | copy = Fcopy_font_spec (work); | |
7cee5d63 KH |
2950 | ASET (copy, FONT_TYPE_INDEX, driver_list->driver->type); |
2951 | XSETCDR (cache, Fcons (Fcons (copy, entity), XCDR (cache))); | |
e950d6f1 KH |
2952 | } |
2953 | if (! NILP (entity)) | |
2954 | break; | |
2955 | } | |
652b9560 | 2956 | FONT_ADD_LOG ("match", work, entity); |
e950d6f1 KH |
2957 | return entity; |
2958 | } | |
2959 | ||
45eb10fb KH |
2960 | |
2961 | /* Open a font of ENTITY and PIXEL_SIZE on frame F, and return the | |
2962 | opened font object. */ | |
2963 | ||
c2f5bfd6 | 2964 | static Lisp_Object |
971de7fb | 2965 | font_open_entity (FRAME_PTR f, Lisp_Object entity, int pixel_size) |
c2f5bfd6 KH |
2966 | { |
2967 | struct font_driver_list *driver_list; | |
43c0454d | 2968 | Lisp_Object objlist, size, val, font_object; |
c2f5bfd6 | 2969 | struct font *font; |
d26424c5 | 2970 | int min_width, height; |
a35dd56b | 2971 | int scaled_pixel_size; |
c2f5bfd6 | 2972 | |
d0ab1ebe | 2973 | font_assert (FONT_ENTITY_P (entity)); |
c2f5bfd6 | 2974 | size = AREF (entity, FONT_SIZE_INDEX); |
c2f5bfd6 | 2975 | if (XINT (size) != 0) |
a35dd56b | 2976 | scaled_pixel_size = pixel_size = XINT (size); |
55e41770 | 2977 | else if (CONSP (Vface_font_rescale_alist)) |
a35dd56b | 2978 | scaled_pixel_size = pixel_size * font_rescale_ratio (entity); |
c2f5bfd6 | 2979 | |
35027d0c KH |
2980 | val = AREF (entity, FONT_TYPE_INDEX); |
2981 | for (driver_list = f->font_driver_list; | |
2982 | driver_list && ! EQ (driver_list->driver->type, val); | |
2983 | driver_list = driver_list->next); | |
2984 | if (! driver_list) | |
2985 | return Qnil; | |
c2f5bfd6 | 2986 | |
d0cf45b7 JD |
2987 | for (objlist = AREF (entity, FONT_OBJLIST_INDEX); CONSP (objlist); |
2988 | objlist = XCDR (objlist)) | |
2989 | { | |
2990 | Lisp_Object fn = XCAR (objlist); | |
2991 | if (! NILP (AREF (fn, FONT_TYPE_INDEX)) | |
2992 | && XFONT_OBJECT (fn)->pixel_size == pixel_size) | |
2993 | { | |
2994 | if (driver_list->driver->cached_font_ok == NULL | |
2995 | || driver_list->driver->cached_font_ok (f, fn, entity)) | |
2996 | return fn; | |
2997 | } | |
2998 | } | |
2999 | ||
a35dd56b | 3000 | font_object = driver_list->driver->open (f, entity, scaled_pixel_size); |
66f5ced0 YM |
3001 | if (!NILP (font_object)) |
3002 | ASET (font_object, FONT_SIZE_INDEX, make_number (pixel_size)); | |
652b9560 | 3003 | FONT_ADD_LOG ("open", entity, font_object); |
43c0454d | 3004 | if (NILP (font_object)) |
35027d0c KH |
3005 | return Qnil; |
3006 | ASET (entity, FONT_OBJLIST_INDEX, | |
3007 | Fcons (font_object, AREF (entity, FONT_OBJLIST_INDEX))); | |
5e634ec9 | 3008 | ASET (font_object, FONT_OBJLIST_INDEX, Qnil); |
35027d0c KH |
3009 | num_fonts++; |
3010 | ||
3011 | font = XFONT_OBJECT (font_object); | |
3012 | min_width = (font->min_width ? font->min_width | |
3013 | : font->average_width ? font->average_width | |
3014 | : font->space_width ? font->space_width | |
3015 | : 1); | |
d26424c5 | 3016 | height = (font->height ? font->height : 1); |
819e81df | 3017 | #ifdef HAVE_WINDOW_SYSTEM |
35027d0c KH |
3018 | FRAME_X_DISPLAY_INFO (f)->n_fonts++; |
3019 | if (FRAME_X_DISPLAY_INFO (f)->n_fonts == 1) | |
43c0454d | 3020 | { |
35027d0c | 3021 | FRAME_SMALLEST_CHAR_WIDTH (f) = min_width; |
d26424c5 | 3022 | FRAME_SMALLEST_FONT_HEIGHT (f) = height; |
35027d0c KH |
3023 | fonts_changed_p = 1; |
3024 | } | |
3025 | else | |
3026 | { | |
3027 | if (FRAME_SMALLEST_CHAR_WIDTH (f) > min_width) | |
3028 | FRAME_SMALLEST_CHAR_WIDTH (f) = min_width, fonts_changed_p = 1; | |
d26424c5 KH |
3029 | if (FRAME_SMALLEST_FONT_HEIGHT (f) > height) |
3030 | FRAME_SMALLEST_FONT_HEIGHT (f) = height, fonts_changed_p = 1; | |
43c0454d | 3031 | } |
819e81df | 3032 | #endif |
43c0454d KH |
3033 | |
3034 | return font_object; | |
c2f5bfd6 KH |
3035 | } |
3036 | ||
45eb10fb KH |
3037 | |
3038 | /* Close FONT_OBJECT that is opened on frame F. */ | |
3039 | ||
c2f5bfd6 | 3040 | void |
971de7fb | 3041 | font_close_object (FRAME_PTR f, Lisp_Object font_object) |
c2f5bfd6 | 3042 | { |
35027d0c | 3043 | struct font *font = XFONT_OBJECT (font_object); |
c2f5bfd6 | 3044 | |
5e634ec9 KH |
3045 | if (NILP (AREF (font_object, FONT_TYPE_INDEX))) |
3046 | /* Already closed. */ | |
3047 | return; | |
652b9560 | 3048 | FONT_ADD_LOG ("close", font_object, Qnil); |
5e634ec9 | 3049 | font->driver->close (f, font); |
819e81df | 3050 | #ifdef HAVE_WINDOW_SYSTEM |
5e634ec9 KH |
3051 | font_assert (FRAME_X_DISPLAY_INFO (f)->n_fonts); |
3052 | FRAME_X_DISPLAY_INFO (f)->n_fonts--; | |
819e81df | 3053 | #endif |
5e634ec9 | 3054 | num_fonts--; |
c2f5bfd6 KH |
3055 | } |
3056 | ||
45eb10fb | 3057 | |
1701724c KH |
3058 | /* Return 1 if FONT on F has a glyph for character C, 0 if not, -1 if |
3059 | FONT is a font-entity and it must be opened to check. */ | |
45eb10fb | 3060 | |
c2f5bfd6 | 3061 | int |
971de7fb | 3062 | font_has_char (FRAME_PTR f, Lisp_Object font, int c) |
c2f5bfd6 | 3063 | { |
1b834a8d | 3064 | struct font *fontp; |
c2f5bfd6 | 3065 | |
1b834a8d KH |
3066 | if (FONT_ENTITY_P (font)) |
3067 | { | |
3068 | Lisp_Object type = AREF (font, FONT_TYPE_INDEX); | |
3069 | struct font_driver_list *driver_list; | |
3070 | ||
3071 | for (driver_list = f->font_driver_list; | |
3072 | driver_list && ! EQ (driver_list->driver->type, type); | |
3073 | driver_list = driver_list->next); | |
3074 | if (! driver_list) | |
3075 | return 0; | |
3076 | if (! driver_list->driver->has_char) | |
3077 | return -1; | |
3078 | return driver_list->driver->has_char (font, c); | |
3079 | } | |
3080 | ||
d0ab1ebe | 3081 | font_assert (FONT_OBJECT_P (font)); |
35027d0c | 3082 | fontp = XFONT_OBJECT (font); |
1b834a8d KH |
3083 | if (fontp->driver->has_char) |
3084 | { | |
35027d0c | 3085 | int result = fontp->driver->has_char (font, c); |
1b834a8d KH |
3086 | |
3087 | if (result >= 0) | |
3088 | return result; | |
3089 | } | |
3090 | return (fontp->driver->encode_char (fontp, c) != FONT_INVALID_CODE); | |
c2f5bfd6 KH |
3091 | } |
3092 | ||
45eb10fb KH |
3093 | |
3094 | /* Return the glyph ID of FONT_OBJECT for character C. */ | |
3095 | ||
c2f5bfd6 | 3096 | unsigned |
971de7fb | 3097 | font_encode_char (Lisp_Object font_object, int c) |
c2f5bfd6 | 3098 | { |
35027d0c | 3099 | struct font *font; |
c2f5bfd6 | 3100 | |
d0ab1ebe | 3101 | font_assert (FONT_OBJECT_P (font_object)); |
35027d0c | 3102 | font = XFONT_OBJECT (font_object); |
c2f5bfd6 KH |
3103 | return font->driver->encode_char (font, c); |
3104 | } | |
3105 | ||
45eb10fb KH |
3106 | |
3107 | /* Return the name of FONT_OBJECT. */ | |
3108 | ||
ef18374f | 3109 | Lisp_Object |
971de7fb | 3110 | font_get_name (Lisp_Object font_object) |
c2f5bfd6 | 3111 | { |
d0ab1ebe | 3112 | font_assert (FONT_OBJECT_P (font_object)); |
35027d0c | 3113 | return AREF (font_object, FONT_NAME_INDEX); |
ef18374f KH |
3114 | } |
3115 | ||
45eb10fb KH |
3116 | |
3117 | /* Return the specification of FONT_OBJECT. */ | |
3118 | ||
ef18374f | 3119 | Lisp_Object |
971de7fb | 3120 | font_get_spec (Lisp_Object font_object) |
ef18374f | 3121 | { |
35027d0c | 3122 | Lisp_Object spec = font_make_spec (); |
ef18374f KH |
3123 | int i; |
3124 | ||
3125 | for (i = 0; i < FONT_SIZE_INDEX; i++) | |
35027d0c KH |
3126 | ASET (spec, i, AREF (font_object, i)); |
3127 | ASET (spec, FONT_SIZE_INDEX, | |
3128 | make_number (XFONT_OBJECT (font_object)->pixel_size)); | |
ef18374f | 3129 | return spec; |
c2f5bfd6 KH |
3130 | } |
3131 | ||
05802645 CY |
3132 | |
3133 | /* Create a new font spec from FONT_NAME, and return it. If FONT_NAME | |
3134 | could not be parsed by font_parse_name, return Qnil. */ | |
3135 | ||
35027d0c | 3136 | Lisp_Object |
971de7fb | 3137 | font_spec_from_name (Lisp_Object font_name) |
35027d0c | 3138 | { |
05802645 | 3139 | Lisp_Object spec = Ffont_spec (0, NULL); |
35027d0c | 3140 | |
05802645 CY |
3141 | CHECK_STRING (font_name); |
3142 | if (font_parse_name ((char *) SDATA (font_name), spec) == -1) | |
3143 | return Qnil; | |
3144 | font_put_extra (spec, QCname, font_name); | |
42707278 | 3145 | font_put_extra (spec, QCuser_spec, font_name); |
05802645 | 3146 | return spec; |
35027d0c KH |
3147 | } |
3148 | ||
45eb10fb | 3149 | |
35027d0c | 3150 | void |
971de7fb | 3151 | font_clear_prop (Lisp_Object *attrs, enum font_property_index prop) |
35027d0c KH |
3152 | { |
3153 | Lisp_Object font = attrs[LFACE_FONT_INDEX]; | |
45eb10fb | 3154 | |
35027d0c KH |
3155 | if (! FONTP (font)) |
3156 | return; | |
42707278 | 3157 | |
483670b5 KH |
3158 | if (! NILP (Ffont_get (font, QCname))) |
3159 | { | |
3160 | font = Fcopy_font_spec (font); | |
3161 | font_put_extra (font, QCname, Qnil); | |
3162 | } | |
3163 | ||
35027d0c | 3164 | if (NILP (AREF (font, prop)) |
e234927a CY |
3165 | && prop != FONT_FAMILY_INDEX |
3166 | && prop != FONT_FOUNDRY_INDEX | |
3167 | && prop != FONT_WIDTH_INDEX | |
4007dd1c | 3168 | && prop != FONT_SIZE_INDEX) |
35027d0c | 3169 | return; |
483670b5 KH |
3170 | if (EQ (font, attrs[LFACE_FONT_INDEX])) |
3171 | font = Fcopy_font_spec (font); | |
35027d0c | 3172 | ASET (font, prop, Qnil); |
4007dd1c | 3173 | if (prop == FONT_FAMILY_INDEX || prop == FONT_FOUNDRY_INDEX) |
35027d0c | 3174 | { |
4007dd1c | 3175 | if (prop == FONT_FAMILY_INDEX) |
962e8aa9 CY |
3176 | { |
3177 | ASET (font, FONT_FOUNDRY_INDEX, Qnil); | |
3178 | /* If we are setting the font family, we must also clear | |
3179 | FONT_WIDTH_INDEX to avoid rejecting families that lack | |
3180 | support for some widths. */ | |
3181 | ASET (font, FONT_WIDTH_INDEX, Qnil); | |
3182 | } | |
35027d0c | 3183 | ASET (font, FONT_ADSTYLE_INDEX, Qnil); |
4007dd1c | 3184 | ASET (font, FONT_REGISTRY_INDEX, Qnil); |
35027d0c KH |
3185 | ASET (font, FONT_SIZE_INDEX, Qnil); |
3186 | ASET (font, FONT_DPI_INDEX, Qnil); | |
3187 | ASET (font, FONT_SPACING_INDEX, Qnil); | |
3188 | ASET (font, FONT_AVGWIDTH_INDEX, Qnil); | |
3189 | } | |
3190 | else if (prop == FONT_SIZE_INDEX) | |
3191 | { | |
3192 | ASET (font, FONT_DPI_INDEX, Qnil); | |
3193 | ASET (font, FONT_SPACING_INDEX, Qnil); | |
3194 | ASET (font, FONT_AVGWIDTH_INDEX, Qnil); | |
3195 | } | |
e234927a CY |
3196 | else if (prop == FONT_WIDTH_INDEX) |
3197 | ASET (font, FONT_AVGWIDTH_INDEX, Qnil); | |
35027d0c KH |
3198 | attrs[LFACE_FONT_INDEX] = font; |
3199 | } | |
3200 | ||
3201 | void | |
971de7fb | 3202 | font_update_lface (FRAME_PTR f, Lisp_Object *attrs) |
c2f5bfd6 | 3203 | { |
d0ab1ebe | 3204 | Lisp_Object spec; |
35027d0c KH |
3205 | |
3206 | spec = attrs[LFACE_FONT_INDEX]; | |
3207 | if (! FONT_SPEC_P (spec)) | |
3208 | return; | |
3209 | ||
4007dd1c KH |
3210 | if (! NILP (AREF (spec, FONT_FOUNDRY_INDEX))) |
3211 | attrs[LFACE_FOUNDRY_INDEX] = SYMBOL_NAME (AREF (spec, FONT_FOUNDRY_INDEX)); | |
3212 | if (! NILP (AREF (spec, FONT_FAMILY_INDEX))) | |
3213 | attrs[LFACE_FAMILY_INDEX] = SYMBOL_NAME (AREF (spec, FONT_FAMILY_INDEX)); | |
35027d0c KH |
3214 | if (! NILP (AREF (spec, FONT_WEIGHT_INDEX))) |
3215 | attrs[LFACE_WEIGHT_INDEX] = FONT_WEIGHT_FOR_FACE (spec); | |
3216 | if (! NILP (AREF (spec, FONT_SLANT_INDEX))) | |
8510724d | 3217 | attrs[LFACE_SLANT_INDEX] = FONT_SLANT_FOR_FACE (spec); |
35027d0c KH |
3218 | if (! NILP (AREF (spec, FONT_WIDTH_INDEX))) |
3219 | attrs[LFACE_SWIDTH_INDEX] = FONT_WIDTH_FOR_FACE (spec); | |
3220 | if (! NILP (AREF (spec, FONT_SIZE_INDEX))) | |
3221 | { | |
3222 | int point; | |
3223 | ||
3224 | if (INTEGERP (AREF (spec, FONT_SIZE_INDEX))) | |
3225 | { | |
3226 | Lisp_Object val; | |
3227 | int dpi = f->resy; | |
3228 | ||
3229 | val = Ffont_get (spec, QCdpi); | |
3230 | if (! NILP (val)) | |
3231 | dpi = XINT (val); | |
3232 | point = PIXEL_TO_POINT (XINT (AREF (spec, FONT_SIZE_INDEX)) * 10, | |
3233 | dpi); | |
2cf4d521 | 3234 | attrs[LFACE_HEIGHT_INDEX] = make_number (point); |
35027d0c KH |
3235 | } |
3236 | else if (FLOATP (AREF (spec, FONT_SIZE_INDEX))) | |
2cf4d521 CY |
3237 | { |
3238 | point = XFLOAT_DATA (AREF (spec, FONT_SIZE_INDEX)) * 10; | |
3239 | attrs[LFACE_HEIGHT_INDEX] = make_number (point); | |
3240 | } | |
35027d0c | 3241 | } |
c2f5bfd6 KH |
3242 | } |
3243 | ||
45eb10fb | 3244 | |
72d36834 KH |
3245 | /* Selecte a font from ENTITIES (list of font-entity vectors) that |
3246 | supports C and matches best with ATTRS and PIXEL_SIZE. */ | |
988a7ddb KH |
3247 | |
3248 | static Lisp_Object | |
971de7fb | 3249 | font_select_entity (Lisp_Object frame, Lisp_Object entities, Lisp_Object *attrs, int pixel_size, int c) |
988a7ddb KH |
3250 | { |
3251 | Lisp_Object font_entity; | |
3252 | Lisp_Object prefer; | |
988a7ddb KH |
3253 | int result, i; |
3254 | FRAME_PTR f = XFRAME (frame); | |
3255 | ||
72d36834 KH |
3256 | if (NILP (XCDR (entities)) |
3257 | && ASIZE (XCAR (entities)) == 1) | |
988a7ddb | 3258 | { |
72d36834 | 3259 | font_entity = AREF (XCAR (entities), 0); |
988a7ddb KH |
3260 | if (c < 0 |
3261 | || (result = font_has_char (f, font_entity, c)) > 0) | |
3262 | return font_entity; | |
3263 | return Qnil; | |
3264 | } | |
3265 | ||
3266 | /* Sort fonts by properties specified in ATTRS. */ | |
3267 | prefer = scratch_font_prefer; | |
3268 | ||
3269 | for (i = FONT_WEIGHT_INDEX; i <= FONT_SIZE_INDEX; i++) | |
3270 | ASET (prefer, i, Qnil); | |
3271 | if (FONTP (attrs[LFACE_FONT_INDEX])) | |
3272 | { | |
3273 | Lisp_Object face_font = attrs[LFACE_FONT_INDEX]; | |
3274 | ||
3275 | for (i = FONT_WEIGHT_INDEX; i <= FONT_SIZE_INDEX; i++) | |
3276 | ASET (prefer, i, AREF (face_font, i)); | |
3277 | } | |
3278 | if (NILP (AREF (prefer, FONT_WEIGHT_INDEX))) | |
3279 | FONT_SET_STYLE (prefer, FONT_WEIGHT_INDEX, attrs[LFACE_WEIGHT_INDEX]); | |
3280 | if (NILP (AREF (prefer, FONT_SLANT_INDEX))) | |
3281 | FONT_SET_STYLE (prefer, FONT_SLANT_INDEX, attrs[LFACE_SLANT_INDEX]); | |
3282 | if (NILP (AREF (prefer, FONT_WIDTH_INDEX))) | |
3283 | FONT_SET_STYLE (prefer, FONT_WIDTH_INDEX, attrs[LFACE_SWIDTH_INDEX]); | |
3284 | ASET (prefer, FONT_SIZE_INDEX, make_number (pixel_size)); | |
988a7ddb | 3285 | |
2645d15b | 3286 | return font_sort_entities (entities, prefer, frame, c); |
988a7ddb KH |
3287 | } |
3288 | ||
35027d0c KH |
3289 | /* Return a font-entity satisfying SPEC and best matching with face's |
3290 | font related attributes in ATTRS. C, if not negative, is a | |
1701724c | 3291 | character that the entity must support. */ |
c2f5bfd6 KH |
3292 | |
3293 | Lisp_Object | |
971de7fb | 3294 | font_find_for_lface (FRAME_PTR f, Lisp_Object *attrs, Lisp_Object spec, int c) |
c2f5bfd6 | 3295 | { |
4007dd1c | 3296 | Lisp_Object work; |
72d36834 | 3297 | Lisp_Object frame, entities, val; |
22459668 | 3298 | Lisp_Object size, foundry[3], *family, registry[3], adstyle[3]; |
1d1e1245 | 3299 | int pixel_size; |
72d36834 | 3300 | int i, j, k, l; |
d0a47776 KH |
3301 | |
3302 | registry[0] = AREF (spec, FONT_REGISTRY_INDEX); | |
3303 | if (NILP (registry[0])) | |
3304 | { | |
edfda783 | 3305 | registry[0] = DEFAULT_ENCODING; |
d0a47776 KH |
3306 | registry[1] = Qascii_0; |
3307 | registry[2] = null_vector; | |
3308 | } | |
3309 | else | |
3310 | registry[1] = null_vector; | |
c2f5bfd6 | 3311 | |
4007dd1c | 3312 | if (c >= 0 && ! NILP (AREF (spec, FONT_REGISTRY_INDEX))) |
fe5ddfbc | 3313 | { |
35027d0c | 3314 | struct charset *encoding, *repertory; |
1701724c | 3315 | |
4007dd1c KH |
3316 | if (font_registry_charsets (AREF (spec, FONT_REGISTRY_INDEX), |
3317 | &encoding, &repertory) < 0) | |
35027d0c | 3318 | return Qnil; |
72d36834 KH |
3319 | if (repertory |
3320 | && ENCODE_CHAR (repertory, c) == CHARSET_INVALID_CODE (repertory)) | |
3321 | return Qnil; | |
35027d0c KH |
3322 | else if (c > encoding->max_char) |
3323 | return Qnil; | |
c2f5bfd6 KH |
3324 | } |
3325 | ||
4007dd1c | 3326 | work = Fcopy_font_spec (spec); |
227f12fa | 3327 | ASET (work, FONT_TYPE_INDEX, AREF (spec, FONT_TYPE_INDEX)); |
35027d0c KH |
3328 | XSETFRAME (frame, f); |
3329 | size = AREF (spec, FONT_SIZE_INDEX); | |
1d1e1245 KH |
3330 | pixel_size = font_pixel_size (f, spec); |
3331 | if (pixel_size == 0) | |
3332 | { | |
3333 | double pt = XINT (attrs[LFACE_HEIGHT_INDEX]); | |
3334 | ||
3335 | pixel_size = POINT_TO_PIXEL (pt / 10, f->resy); | |
3336 | } | |
4007dd1c KH |
3337 | ASET (work, FONT_SIZE_INDEX, Qnil); |
3338 | foundry[0] = AREF (work, FONT_FOUNDRY_INDEX); | |
3339 | if (! NILP (foundry[0])) | |
3340 | foundry[1] = null_vector; | |
3341 | else if (STRINGP (attrs[LFACE_FOUNDRY_INDEX])) | |
3342 | { | |
071132a9 KH |
3343 | val = attrs[LFACE_FOUNDRY_INDEX]; |
3344 | foundry[0] = font_intern_prop ((char *) SDATA (val), SBYTES (val), 1); | |
4007dd1c KH |
3345 | foundry[1] = Qnil; |
3346 | foundry[2] = null_vector; | |
3347 | } | |
3348 | else | |
3349 | foundry[0] = Qnil, foundry[1] = null_vector; | |
3350 | ||
22459668 KH |
3351 | adstyle[0] = AREF (work, FONT_ADSTYLE_INDEX); |
3352 | if (! NILP (adstyle[0])) | |
3353 | adstyle[1] = null_vector; | |
3354 | else if (FONTP (attrs[LFACE_FONT_INDEX])) | |
3355 | { | |
3356 | Lisp_Object face_font = attrs[LFACE_FONT_INDEX]; | |
3357 | ||
3358 | if (! NILP (AREF (face_font, FONT_ADSTYLE_INDEX))) | |
3359 | { | |
3360 | adstyle[0] = AREF (face_font, FONT_ADSTYLE_INDEX); | |
3361 | adstyle[1] = Qnil; | |
3362 | adstyle[2] = null_vector; | |
3363 | } | |
3364 | else | |
3365 | adstyle[0] = Qnil, adstyle[1] = null_vector; | |
3366 | } | |
3367 | else | |
3368 | adstyle[0] = Qnil, adstyle[1] = null_vector; | |
3369 | ||
3370 | ||
4007dd1c KH |
3371 | val = AREF (work, FONT_FAMILY_INDEX); |
3372 | if (NILP (val) && STRINGP (attrs[LFACE_FAMILY_INDEX])) | |
071132a9 KH |
3373 | { |
3374 | val = attrs[LFACE_FAMILY_INDEX]; | |
3375 | val = font_intern_prop ((char *) SDATA (val), SBYTES (val), 1); | |
3376 | } | |
4007dd1c KH |
3377 | if (NILP (val)) |
3378 | { | |
3379 | family = alloca ((sizeof family[0]) * 2); | |
3380 | family[0] = Qnil; | |
3381 | family[1] = null_vector; /* terminator. */ | |
3382 | } | |
3383 | else | |
3384 | { | |
3385 | Lisp_Object alters | |
819ab95f | 3386 | = Fassoc_string (val, Vface_alternative_font_family_alist, |
7107c29e | 3387 | /* Font family names are case-sensitive under NS. */ |
819ab95f KH |
3388 | #ifndef HAVE_NS |
3389 | Qt | |
3390 | #else | |
3391 | Qnil | |
3392 | #endif | |
3393 | ); | |
4007dd1c KH |
3394 | |
3395 | if (! NILP (alters)) | |
3396 | { | |
3397 | family = alloca ((sizeof family[0]) * (XINT (Flength (alters)) + 2)); | |
3398 | for (i = 0; CONSP (alters); i++, alters = XCDR (alters)) | |
3399 | family[i] = XCAR (alters); | |
3400 | if (NILP (AREF (spec, FONT_FAMILY_INDEX))) | |
3401 | family[i++] = Qnil; | |
3402 | family[i] = null_vector; | |
3403 | } | |
3404 | else | |
3405 | { | |
3406 | family = alloca ((sizeof family[0]) * 3); | |
3407 | i = 0; | |
3408 | family[i++] = val; | |
3409 | if (NILP (AREF (spec, FONT_FAMILY_INDEX))) | |
3410 | family[i++] = Qnil; | |
3411 | family[i] = null_vector; | |
3412 | } | |
3413 | } | |
3414 | ||
d0a47776 | 3415 | for (i = 0; SYMBOLP (family[i]); i++) |
4007dd1c | 3416 | { |
d0a47776 KH |
3417 | ASET (work, FONT_FAMILY_INDEX, family[i]); |
3418 | for (j = 0; SYMBOLP (foundry[j]); j++) | |
4007dd1c | 3419 | { |
d0a47776 KH |
3420 | ASET (work, FONT_FOUNDRY_INDEX, foundry[j]); |
3421 | for (k = 0; SYMBOLP (registry[k]); k++) | |
3422 | { | |
904a2e0e | 3423 | ASET (work, FONT_REGISTRY_INDEX, registry[k]); |
22459668 KH |
3424 | for (l = 0; SYMBOLP (adstyle[l]); l++) |
3425 | { | |
3426 | ASET (work, FONT_ADSTYLE_INDEX, adstyle[l]); | |
3427 | entities = font_list_entities (frame, work); | |
72d36834 | 3428 | if (! NILP (entities)) |
988a7ddb KH |
3429 | { |
3430 | val = font_select_entity (frame, entities, | |
3431 | attrs, pixel_size, c); | |
3432 | if (! NILP (val)) | |
637fa988 | 3433 | return val; |
988a7ddb | 3434 | } |
22459668 | 3435 | } |
d0a47776 | 3436 | } |
4007dd1c | 3437 | } |
4007dd1c | 3438 | } |
d0a47776 | 3439 | return Qnil; |
1701724c | 3440 | } |
45eb10fb KH |
3441 | |
3442 | ||
c2f5bfd6 | 3443 | Lisp_Object |
971de7fb | 3444 | font_open_for_lface (FRAME_PTR f, Lisp_Object entity, Lisp_Object *attrs, Lisp_Object spec) |
c2f5bfd6 | 3445 | { |
9331887d | 3446 | int size; |
c2f5bfd6 | 3447 | |
4007dd1c KH |
3448 | if (INTEGERP (AREF (entity, FONT_SIZE_INDEX)) |
3449 | && XINT (AREF (entity, FONT_SIZE_INDEX)) > 0) | |
3450 | size = XINT (AREF (entity, FONT_SIZE_INDEX)); | |
3451 | else if (FONT_SPEC_P (spec) && ! NILP (AREF (spec, FONT_SIZE_INDEX))) | |
1d1e1245 | 3452 | size = font_pixel_size (f, spec); |
733fd013 KH |
3453 | else |
3454 | { | |
50b0cd29 CY |
3455 | double pt; |
3456 | if (INTEGERP (attrs[LFACE_HEIGHT_INDEX])) | |
3457 | pt = XINT (attrs[LFACE_HEIGHT_INDEX]); | |
3458 | else | |
3459 | { | |
3460 | struct face *def = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
3461 | Lisp_Object height = def->lface[LFACE_HEIGHT_INDEX]; | |
3462 | if (INTEGERP (height)) | |
3463 | pt = XINT (height); | |
3464 | else | |
3465 | abort(); /* We should never end up here. */ | |
3466 | } | |
733fd013 KH |
3467 | |
3468 | pt /= 10; | |
3469 | size = POINT_TO_PIXEL (pt, f->resy); | |
ed96cde8 AR |
3470 | #ifdef HAVE_NS |
3471 | if (size == 0) | |
3472 | { | |
3473 | Lisp_Object ffsize = get_frame_param(f, Qfontsize); | |
3474 | size = NUMBERP (ffsize) ? POINT_TO_PIXEL (XINT (ffsize), f->resy) : 0; | |
3475 | } | |
3476 | #endif | |
733fd013 | 3477 | } |
c2f5bfd6 KH |
3478 | return font_open_entity (f, entity, size); |
3479 | } | |
3480 | ||
45eb10fb | 3481 | |
35027d0c KH |
3482 | /* Find a font satisfying SPEC and best matching with face's |
3483 | attributes in ATTRS on FRAME, and return the opened | |
3484 | font-object. */ | |
45eb10fb | 3485 | |
35027d0c | 3486 | Lisp_Object |
971de7fb | 3487 | font_load_for_lface (FRAME_PTR f, Lisp_Object *attrs, Lisp_Object spec) |
c2f5bfd6 | 3488 | { |
637fa988 | 3489 | Lisp_Object entity, name; |
ef18374f | 3490 | |
908567ef | 3491 | entity = font_find_for_lface (f, attrs, spec, -1); |
35027d0c | 3492 | if (NILP (entity)) |
ef18374f | 3493 | { |
35027d0c KH |
3494 | /* No font is listed for SPEC, but each font-backend may have |
3495 | the different criteria about "font matching". So, try | |
3496 | it. */ | |
3497 | entity = font_matching_entity (f, attrs, spec); | |
3498 | if (NILP (entity)) | |
3499 | return Qnil; | |
c2f5bfd6 | 3500 | } |
637fa988 JD |
3501 | /* Don't loose the original name that was put in initially. We need |
3502 | it to re-apply the font when font parameters (like hinting or dpi) have | |
3503 | changed. */ | |
3504 | entity = font_open_for_lface (f, entity, attrs, spec); | |
8096a0ff YM |
3505 | if (!NILP (entity)) |
3506 | { | |
42707278 JD |
3507 | name = Ffont_get (spec, QCuser_spec); |
3508 | if (STRINGP (name)) font_put_extra (entity, QCuser_spec, name); | |
8096a0ff | 3509 | } |
637fa988 | 3510 | return entity; |
c2f5bfd6 KH |
3511 | } |
3512 | ||
45eb10fb KH |
3513 | |
3514 | /* Make FACE on frame F ready to use the font opened for FACE. */ | |
3515 | ||
c2f5bfd6 | 3516 | void |
971de7fb | 3517 | font_prepare_for_face (FRAME_PTR f, struct face *face) |
c2f5bfd6 | 3518 | { |
35027d0c KH |
3519 | if (face->font->driver->prepare_face) |
3520 | face->font->driver->prepare_face (f, face); | |
c2f5bfd6 KH |
3521 | } |
3522 | ||
45eb10fb KH |
3523 | |
3524 | /* Make FACE on frame F stop using the font opened for FACE. */ | |
3525 | ||
c2f5bfd6 | 3526 | void |
971de7fb | 3527 | font_done_for_face (FRAME_PTR f, struct face *face) |
c2f5bfd6 | 3528 | { |
35027d0c KH |
3529 | if (face->font->driver->done_face) |
3530 | face->font->driver->done_face (f, face); | |
c2f5bfd6 KH |
3531 | face->extra = NULL; |
3532 | } | |
3533 | ||
45eb10fb | 3534 | |
c50b7e98 KH |
3535 | /* Open a font matching with font-spec SPEC on frame F. If no proper |
3536 | font is found, return Qnil. */ | |
45eb10fb | 3537 | |
c2f5bfd6 | 3538 | Lisp_Object |
971de7fb | 3539 | font_open_by_spec (FRAME_PTR f, Lisp_Object spec) |
c2f5bfd6 | 3540 | { |
c50b7e98 | 3541 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; |
a9262bb8 | 3542 | |
4007dd1c KH |
3543 | /* We set up the default font-related attributes of a face to prefer |
3544 | a moderate font. */ | |
3545 | attrs[LFACE_FAMILY_INDEX] = attrs[LFACE_FOUNDRY_INDEX] = Qnil; | |
3546 | attrs[LFACE_SWIDTH_INDEX] = attrs[LFACE_WEIGHT_INDEX] | |
3547 | = attrs[LFACE_SLANT_INDEX] = Qnormal; | |
ed96cde8 | 3548 | #ifndef HAVE_NS |
4007dd1c | 3549 | attrs[LFACE_HEIGHT_INDEX] = make_number (120); |
ed96cde8 AR |
3550 | #else |
3551 | attrs[LFACE_HEIGHT_INDEX] = make_number (0); | |
3552 | #endif | |
4007dd1c KH |
3553 | attrs[LFACE_FONT_INDEX] = Qnil; |
3554 | ||
3555 | return font_load_for_lface (f, attrs, spec); | |
c2f5bfd6 KH |
3556 | } |
3557 | ||
3558 | ||
c50b7e98 KH |
3559 | /* Open a font matching with NAME on frame F. If no proper font is |
3560 | found, return Qnil. */ | |
3561 | ||
3562 | Lisp_Object | |
971de7fb | 3563 | font_open_by_name (FRAME_PTR f, char *name) |
c50b7e98 KH |
3564 | { |
3565 | Lisp_Object args[2]; | |
581e51e8 | 3566 | Lisp_Object spec, ret; |
c50b7e98 KH |
3567 | |
3568 | args[0] = QCname; | |
3569 | args[1] = make_unibyte_string (name, strlen (name)); | |
3570 | spec = Ffont_spec (2, args); | |
581e51e8 JD |
3571 | ret = font_open_by_spec (f, spec); |
3572 | /* Do not loose name originally put in. */ | |
8096a0ff | 3573 | if (!NILP (ret)) |
42707278 | 3574 | font_put_extra (ret, QCuser_spec, args[1]); |
581e51e8 JD |
3575 | |
3576 | return ret; | |
c50b7e98 KH |
3577 | } |
3578 | ||
3579 | ||
c2f5bfd6 KH |
3580 | /* Register font-driver DRIVER. This function is used in two ways. |
3581 | ||
417a1b10 KH |
3582 | The first is with frame F non-NULL. In this case, make DRIVER |
3583 | available (but not yet activated) on F. All frame creaters | |
3584 | (e.g. Fx_create_frame) must call this function at least once with | |
3585 | an available font-driver. | |
c2f5bfd6 KH |
3586 | |
3587 | The second is with frame F NULL. In this case, DRIVER is globally | |
3588 | registered in the variable `font_driver_list'. All font-driver | |
3589 | implementations must call this function in its syms_of_XXXX | |
3590 | (e.g. syms_of_xfont). */ | |
3591 | ||
3592 | void | |
971de7fb | 3593 | register_font_driver (struct font_driver *driver, FRAME_PTR f) |
c2f5bfd6 KH |
3594 | { |
3595 | struct font_driver_list *root = f ? f->font_driver_list : font_driver_list; | |
3596 | struct font_driver_list *prev, *list; | |
3597 | ||
3598 | if (f && ! driver->draw) | |
43a1d19b | 3599 | error ("Unusable font driver for a frame: %s", |
c2f5bfd6 KH |
3600 | SDATA (SYMBOL_NAME (driver->type))); |
3601 | ||
3602 | for (prev = NULL, list = root; list; prev = list, list = list->next) | |
cf23b845 | 3603 | if (EQ (list->driver->type, driver->type)) |
c2f5bfd6 KH |
3604 | error ("Duplicated font driver: %s", SDATA (SYMBOL_NAME (driver->type))); |
3605 | ||
c115043b | 3606 | list = xmalloc (sizeof (struct font_driver_list)); |
417a1b10 | 3607 | list->on = 0; |
c2f5bfd6 KH |
3608 | list->driver = driver; |
3609 | list->next = NULL; | |
3610 | if (prev) | |
3611 | prev->next = list; | |
3612 | else if (f) | |
3613 | f->font_driver_list = list; | |
3614 | else | |
3615 | font_driver_list = list; | |
72606e45 KH |
3616 | if (! f) |
3617 | num_font_drivers++; | |
c2f5bfd6 KH |
3618 | } |
3619 | ||
2ed98482 | 3620 | void |
971de7fb | 3621 | free_font_driver_list (FRAME_PTR f) |
2ed98482 CY |
3622 | { |
3623 | struct font_driver_list *list, *next; | |
3624 | ||
3625 | for (list = f->font_driver_list; list; list = next) | |
3626 | { | |
3627 | next = list->next; | |
3628 | xfree (list); | |
3629 | } | |
3630 | f->font_driver_list = NULL; | |
3631 | } | |
3632 | ||
45eb10fb | 3633 | |
f697fff0 | 3634 | /* Make the frame F use font backends listed in NEW_DRIVERS (list of |
ca4da08a KH |
3635 | symbols, e.g. xft, x). If NEW_DRIVERS is t, make F use all |
3636 | available font drivers. If NEW_DRIVERS is nil, finalize all drivers. | |
417a1b10 | 3637 | |
ca4da08a KH |
3638 | A caller must free all realized faces if any in advance. The |
3639 | return value is a list of font backends actually made used on | |
3640 | F. */ | |
e950d6f1 KH |
3641 | |
3642 | Lisp_Object | |
971de7fb | 3643 | font_update_drivers (FRAME_PTR f, Lisp_Object new_drivers) |
417a1b10 KH |
3644 | { |
3645 | Lisp_Object active_drivers = Qnil; | |
4007dd1c | 3646 | struct font_driver *driver; |
417a1b10 KH |
3647 | struct font_driver_list *list; |
3648 | ||
4007dd1c KH |
3649 | /* At first, turn off non-requested drivers, and turn on requested |
3650 | drivers. */ | |
f697fff0 | 3651 | for (list = f->font_driver_list; list; list = list->next) |
4007dd1c KH |
3652 | { |
3653 | driver = list->driver; | |
3654 | if ((EQ (new_drivers, Qt) || ! NILP (Fmemq (driver->type, new_drivers))) | |
3655 | != list->on) | |
3656 | { | |
3657 | if (list->on) | |
3658 | { | |
3659 | if (driver->end_for_frame) | |
3660 | driver->end_for_frame (f); | |
3661 | font_finish_cache (f, driver); | |
3662 | list->on = 0; | |
3663 | } | |
3664 | else | |
3665 | { | |
3666 | if (! driver->start_for_frame | |
3667 | || driver->start_for_frame (f) == 0) | |
3668 | { | |
3669 | font_prepare_cache (f, driver); | |
3670 | list->on = 1; | |
3671 | } | |
3672 | } | |
3673 | } | |
3674 | } | |
3675 | ||
3676 | if (NILP (new_drivers)) | |
3677 | return Qnil; | |
3678 | ||
3679 | if (! EQ (new_drivers, Qt)) | |
3680 | { | |
3681 | /* Re-order the driver list according to new_drivers. */ | |
3306c6dc | 3682 | struct font_driver_list **list_table, **next; |
4007dd1c KH |
3683 | Lisp_Object tail; |
3684 | int i; | |
3685 | ||
3686 | list_table = alloca (sizeof list_table[0] * (num_font_drivers + 1)); | |
3687 | for (i = 0, tail = new_drivers; ! NILP (tail); tail = XCDR (tail)) | |
3688 | { | |
3689 | for (list = f->font_driver_list; list; list = list->next) | |
3690 | if (list->on && EQ (list->driver->type, XCAR (tail))) | |
3691 | break; | |
3692 | if (list) | |
3693 | list_table[i++] = list; | |
3694 | } | |
3695 | for (list = f->font_driver_list; list; list = list->next) | |
3696 | if (! list->on) | |
6136b72f | 3697 | list_table[i++] = list; |
4007dd1c KH |
3698 | list_table[i] = NULL; |
3699 | ||
3306c6dc | 3700 | next = &f->font_driver_list; |
4007dd1c KH |
3701 | for (i = 0; list_table[i]; i++) |
3702 | { | |
3306c6dc AS |
3703 | *next = list_table[i]; |
3704 | next = &(*next)->next; | |
4007dd1c | 3705 | } |
3306c6dc | 3706 | *next = NULL; |
ba98e3a0 SM |
3707 | |
3708 | if (! f->font_driver_list->on) | |
3709 | { /* None of the drivers is enabled: enable them all. | |
3710 | Happens if you set the list of drivers to (xft x) in your .emacs | |
3711 | and then use it under w32 or ns. */ | |
3712 | for (list = f->font_driver_list; list; list = list->next) | |
3713 | { | |
3714 | struct font_driver *driver = list->driver; | |
3715 | eassert (! list->on); | |
3716 | if (! driver->start_for_frame | |
3717 | || driver->start_for_frame (f) == 0) | |
3718 | { | |
3719 | font_prepare_cache (f, driver); | |
3720 | list->on = 1; | |
3721 | } | |
3722 | } | |
3723 | } | |
4007dd1c | 3724 | } |
417a1b10 | 3725 | |
4007dd1c KH |
3726 | for (list = f->font_driver_list; list; list = list->next) |
3727 | if (list->on) | |
3728 | active_drivers = nconc2 (active_drivers, | |
3729 | Fcons (list->driver->type, Qnil)); | |
e950d6f1 | 3730 | return active_drivers; |
417a1b10 KH |
3731 | } |
3732 | ||
f697fff0 | 3733 | int |
971de7fb | 3734 | font_put_frame_data (FRAME_PTR f, struct font_driver *driver, void *data) |
f697fff0 KH |
3735 | { |
3736 | struct font_data_list *list, *prev; | |
3737 | ||
3738 | for (prev = NULL, list = f->font_data_list; list; | |
3739 | prev = list, list = list->next) | |
3740 | if (list->driver == driver) | |
3741 | break; | |
3742 | if (! data) | |
3743 | { | |
3744 | if (list) | |
3745 | { | |
3746 | if (prev) | |
3747 | prev->next = list->next; | |
3748 | else | |
3749 | f->font_data_list = list->next; | |
973e7849 | 3750 | xfree (list); |
f697fff0 KH |
3751 | } |
3752 | return 0; | |
3753 | } | |
3754 | ||
3755 | if (! list) | |
3756 | { | |
c115043b | 3757 | list = xmalloc (sizeof (struct font_data_list)); |
f697fff0 KH |
3758 | list->driver = driver; |
3759 | list->next = f->font_data_list; | |
3760 | f->font_data_list = list; | |
3761 | } | |
3762 | list->data = data; | |
3763 | return 0; | |
3764 | } | |
3765 | ||
3766 | ||
3767 | void * | |
971de7fb | 3768 | font_get_frame_data (FRAME_PTR f, struct font_driver *driver) |
f697fff0 KH |
3769 | { |
3770 | struct font_data_list *list; | |
3771 | ||
3772 | for (list = f->font_data_list; list; list = list->next) | |
3773 | if (list->driver == driver) | |
3774 | break; | |
3775 | if (! list) | |
3776 | return NULL; | |
3777 | return list->data; | |
3778 | } | |
3779 | ||
417a1b10 | 3780 | |
45eb10fb | 3781 | /* Return the font used to draw character C by FACE at buffer position |
e3ee0340 KH |
3782 | POS in window W. If STRING is non-nil, it is a string containing C |
3783 | at index POS. If C is negative, get C from the current buffer or | |
3784 | STRING. */ | |
45eb10fb | 3785 | |
10d16101 | 3786 | Lisp_Object |
971de7fb | 3787 | font_at (int c, EMACS_INT pos, struct face *face, struct window *w, Lisp_Object string) |
10d16101 KH |
3788 | { |
3789 | FRAME_PTR f; | |
e3ee0340 | 3790 | int multibyte; |
35027d0c | 3791 | Lisp_Object font_object; |
e3ee0340 | 3792 | |
e500c47d KH |
3793 | multibyte = (NILP (string) |
3794 | ? ! NILP (current_buffer->enable_multibyte_characters) | |
3795 | : STRING_MULTIBYTE (string)); | |
e3ee0340 KH |
3796 | if (c < 0) |
3797 | { | |
3798 | if (NILP (string)) | |
3799 | { | |
e3ee0340 KH |
3800 | if (multibyte) |
3801 | { | |
3802 | EMACS_INT pos_byte = CHAR_TO_BYTE (pos); | |
3803 | ||
3804 | c = FETCH_CHAR (pos_byte); | |
3805 | } | |
3806 | else | |
3807 | c = FETCH_BYTE (pos); | |
3808 | } | |
3809 | else | |
3810 | { | |
3811 | unsigned char *str; | |
3812 | ||
3813 | multibyte = STRING_MULTIBYTE (string); | |
3814 | if (multibyte) | |
3815 | { | |
3816 | EMACS_INT pos_byte = string_char_to_byte (string, pos); | |
3817 | ||
3818 | str = SDATA (string) + pos_byte; | |
62a6e103 | 3819 | c = STRING_CHAR (str); |
e3ee0340 KH |
3820 | } |
3821 | else | |
3822 | c = SDATA (string)[pos]; | |
3823 | } | |
3824 | } | |
10d16101 KH |
3825 | |
3826 | f = XFRAME (w->frame); | |
1385a806 KH |
3827 | if (! FRAME_WINDOW_P (f)) |
3828 | return Qnil; | |
10d16101 KH |
3829 | if (! face) |
3830 | { | |
e3ee0340 | 3831 | int face_id; |
0f8b27ea | 3832 | EMACS_INT endptr; |
e3ee0340 KH |
3833 | |
3834 | if (STRINGP (string)) | |
3835 | face_id = face_at_string_position (w, string, pos, 0, -1, -1, &endptr, | |
10d16101 KH |
3836 | DEFAULT_FACE_ID, 0); |
3837 | else | |
e3ee0340 | 3838 | face_id = face_at_buffer_position (w, pos, -1, -1, &endptr, |
6970f632 | 3839 | pos + 100, 0, -1); |
10d16101 KH |
3840 | face = FACE_FROM_ID (f, face_id); |
3841 | } | |
e3ee0340 KH |
3842 | if (multibyte) |
3843 | { | |
3844 | int face_id = FACE_FOR_CHAR (f, face, c, pos, string); | |
3845 | face = FACE_FROM_ID (f, face_id); | |
3846 | } | |
35027d0c | 3847 | if (! face->font) |
10d16101 | 3848 | return Qnil; |
35027d0c | 3849 | |
35027d0c KH |
3850 | XSETFONT (font_object, face->font); |
3851 | return font_object; | |
3852 | } | |
3853 | ||
3854 | ||
071132a9 KH |
3855 | #ifdef HAVE_WINDOW_SYSTEM |
3856 | ||
3857 | /* Check how many characters after POS (at most to *LIMIT) can be | |
3858 | displayed by the same font on the window W. FACE, if non-NULL, is | |
3859 | the face selected for the character at POS. If STRING is not nil, | |
3860 | it is the string to check instead of the current buffer. In that | |
3861 | case, FACE must be not NULL. | |
027a33c0 | 3862 | |
071132a9 KH |
3863 | The return value is the font-object for the character at POS. |
3864 | *LIMIT is set to the position where that font can't be used. | |
35027d0c | 3865 | |
071132a9 KH |
3866 | It is assured that the current buffer (or STRING) is multibyte. */ |
3867 | ||
3868 | Lisp_Object | |
971de7fb | 3869 | font_range (EMACS_INT pos, EMACS_INT *limit, struct window *w, struct face *face, Lisp_Object string) |
35027d0c | 3870 | { |
0e5d7800 | 3871 | EMACS_INT pos_byte, ignore; |
35027d0c | 3872 | int c; |
071132a9 | 3873 | Lisp_Object font_object = Qnil; |
35027d0c KH |
3874 | |
3875 | if (NILP (string)) | |
3876 | { | |
35027d0c | 3877 | pos_byte = CHAR_TO_BYTE (pos); |
071132a9 KH |
3878 | if (! face) |
3879 | { | |
3880 | int face_id; | |
3881 | ||
6970f632 CY |
3882 | face_id = face_at_buffer_position (w, pos, 0, 0, &ignore, |
3883 | *limit, 0, -1); | |
071132a9 KH |
3884 | face = FACE_FROM_ID (XFRAME (w->frame), face_id); |
3885 | } | |
35027d0c KH |
3886 | } |
3887 | else | |
3888 | { | |
071132a9 | 3889 | font_assert (face); |
35027d0c KH |
3890 | pos_byte = string_char_to_byte (string, pos); |
3891 | } | |
3892 | ||
071132a9 | 3893 | while (pos < *limit) |
35027d0c | 3894 | { |
071132a9 | 3895 | Lisp_Object category; |
35027d0c KH |
3896 | |
3897 | if (NILP (string)) | |
3898 | FETCH_CHAR_ADVANCE_NO_CHECK (c, pos, pos_byte); | |
3899 | else | |
3900 | FETCH_STRING_CHAR_ADVANCE_NO_CHECK (c, string, pos, pos_byte); | |
0e5d7800 KH |
3901 | category = CHAR_TABLE_REF (Vunicode_category_table, c); |
3902 | if (EQ (category, QCf) | |
3903 | || CHAR_VARIATION_SELECTOR_P (c)) | |
3904 | continue; | |
071132a9 | 3905 | if (NILP (font_object)) |
35027d0c | 3906 | { |
071132a9 KH |
3907 | font_object = font_for_char (face, c, pos - 1, string); |
3908 | if (NILP (font_object)) | |
3909 | return Qnil; | |
35027d0c KH |
3910 | continue; |
3911 | } | |
0e5d7800 KH |
3912 | if (font_encode_char (font_object, c) == FONT_INVALID_CODE) |
3913 | *limit = pos - 1; | |
35027d0c | 3914 | } |
071132a9 | 3915 | return font_object; |
10d16101 | 3916 | } |
071132a9 | 3917 | #endif |
10d16101 | 3918 | |
c2f5bfd6 KH |
3919 | \f |
3920 | /* Lisp API */ | |
3921 | ||
35027d0c | 3922 | DEFUN ("fontp", Ffontp, Sfontp, 1, 2, 0, |
6c8ec042 | 3923 | doc: /* Return t if OBJECT is a font-spec, font-entity, or font-object. |
35027d0c KH |
3924 | Return nil otherwise. |
3925 | Optional 2nd argument EXTRA-TYPE, if non-nil, specifies to check | |
027a33c0 | 3926 | which kind of font it is. It must be one of `font-spec', `font-entity', |
35027d0c | 3927 | `font-object'. */) |
5842a27b | 3928 | (Lisp_Object object, Lisp_Object extra_type) |
c2f5bfd6 | 3929 | { |
35027d0c KH |
3930 | if (NILP (extra_type)) |
3931 | return (FONTP (object) ? Qt : Qnil); | |
3932 | if (EQ (extra_type, Qfont_spec)) | |
3933 | return (FONT_SPEC_P (object) ? Qt : Qnil); | |
3934 | if (EQ (extra_type, Qfont_entity)) | |
3935 | return (FONT_ENTITY_P (object) ? Qt : Qnil); | |
3936 | if (EQ (extra_type, Qfont_object)) | |
3937 | return (FONT_OBJECT_P (object) ? Qt : Qnil); | |
3938 | wrong_type_argument (intern ("font-extra-type"), extra_type); | |
c2f5bfd6 KH |
3939 | } |
3940 | ||
3941 | DEFUN ("font-spec", Ffont_spec, Sfont_spec, 0, MANY, 0, | |
45eb10fb KH |
3942 | doc: /* Return a newly created font-spec with arguments as properties. |
3943 | ||
3944 | ARGS must come in pairs KEY VALUE of font properties. KEY must be a | |
3945 | valid font property name listed below: | |
3946 | ||
3947 | `:family', `:weight', `:slant', `:width' | |
3948 | ||
3949 | They are the same as face attributes of the same name. See | |
51c01100 | 3950 | `set-face-attribute'. |
45eb10fb KH |
3951 | |
3952 | `:foundry' | |
3953 | ||
3954 | VALUE must be a string or a symbol specifying the font foundry, e.g. ``misc''. | |
3955 | ||
3956 | `:adstyle' | |
3957 | ||
3958 | VALUE must be a string or a symbol specifying the additional | |
35027d0c | 3959 | typographic style information of a font, e.g. ``sans''. |
45eb10fb KH |
3960 | |
3961 | `:registry' | |
3962 | ||
3963 | VALUE must be a string or a symbol specifying the charset registry and | |
3964 | encoding of a font, e.g. ``iso8859-1''. | |
3965 | ||
3966 | `:size' | |
3967 | ||
3968 | VALUE must be a non-negative integer or a floating point number | |
c423ecca KH |
3969 | specifying the font size. It specifies the font size in pixels (if |
3970 | VALUE is an integer), or in points (if VALUE is a float). | |
2babb359 KH |
3971 | |
3972 | `:name' | |
3973 | ||
7a18a178 | 3974 | VALUE must be a string of XLFD-style or fontconfig-style font name. |
5bdd4dd2 KH |
3975 | |
3976 | `:script' | |
3977 | ||
3978 | VALUE must be a symbol representing a script that the font must | |
209f39ac KH |
3979 | support. It may be a symbol representing a subgroup of a script |
3980 | listed in the variable `script-representative-chars'. | |
c423ecca KH |
3981 | |
3982 | `:lang' | |
3983 | ||
3984 | VALUE must be a symbol of two-letter ISO-639 language names, | |
3985 | e.g. `ja'. | |
3986 | ||
3987 | `:otf' | |
3988 | ||
3989 | VALUE must be a list (SCRIPT-TAG LANGSYS-TAG GSUB [ GPOS ]) to specify | |
3990 | required OpenType features. | |
3991 | ||
3992 | SCRIPT-TAG: OpenType script tag symbol (e.g. `deva'). | |
3993 | LANGSYS-TAG: OpenType language system tag symbol, | |
3994 | or nil for the default language system. | |
3995 | GSUB: List of OpenType GSUB feature tag symbols, or nil if none required. | |
3996 | GPOS: List of OpenType GPOS feature tag symbols, or nil if none required. | |
3997 | ||
3998 | GSUB and GPOS may contain `nil' element. In such a case, the font | |
3999 | must not have any of the remaining elements. | |
4000 | ||
4001 | For instance, if the VALUE is `(thai nil nil (mark))', the font must | |
22f79966 | 4002 | be an OpenType font, and whose GPOS table of `thai' script's default |
c423ecca KH |
4003 | language system must contain `mark' feature. |
4004 | ||
ba3de0e8 | 4005 | usage: (font-spec ARGS...) */) |
5842a27b | 4006 | (int nargs, Lisp_Object *args) |
c2f5bfd6 | 4007 | { |
35027d0c | 4008 | Lisp_Object spec = font_make_spec (); |
c2f5bfd6 KH |
4009 | int i; |
4010 | ||
4011 | for (i = 0; i < nargs; i += 2) | |
4012 | { | |
cccd42d5 KH |
4013 | Lisp_Object key = args[i], val; |
4014 | ||
4015 | CHECK_SYMBOL (key); | |
4016 | if (i + 1 >= nargs) | |
4017 | error ("No value for key `%s'", SDATA (SYMBOL_NAME (key))); | |
4018 | val = args[i + 1]; | |
c2f5bfd6 | 4019 | |
35027d0c KH |
4020 | if (EQ (key, QCname)) |
4021 | { | |
4022 | CHECK_STRING (val); | |
4023 | font_parse_name ((char *) SDATA (val), spec); | |
4024 | font_put_extra (spec, key, val); | |
4025 | } | |
c2f5bfd6 | 4026 | else |
4485a28e | 4027 | { |
35027d0c KH |
4028 | int idx = get_font_prop_index (key); |
4029 | ||
4030 | if (idx >= 0) | |
ec6fe57c | 4031 | { |
35027d0c KH |
4032 | val = font_prop_validate (idx, Qnil, val); |
4033 | if (idx < FONT_EXTRA_INDEX) | |
4034 | ASET (spec, idx, val); | |
4035 | else | |
4036 | font_put_extra (spec, key, val); | |
ec6fe57c | 4037 | } |
35027d0c KH |
4038 | else |
4039 | font_put_extra (spec, key, font_prop_validate (0, key, val)); | |
4485a28e | 4040 | } |
e950d6f1 | 4041 | } |
c2f5bfd6 KH |
4042 | return spec; |
4043 | } | |
4044 | ||
35027d0c KH |
4045 | DEFUN ("copy-font-spec", Fcopy_font_spec, Scopy_font_spec, 1, 1, 0, |
4046 | doc: /* Return a copy of FONT as a font-spec. */) | |
5842a27b | 4047 | (Lisp_Object font) |
35027d0c | 4048 | { |
d26424c5 | 4049 | Lisp_Object new_spec, tail, prev, extra; |
35027d0c KH |
4050 | int i; |
4051 | ||
4052 | CHECK_FONT (font); | |
4053 | new_spec = font_make_spec (); | |
4054 | for (i = 1; i < FONT_EXTRA_INDEX; i++) | |
4055 | ASET (new_spec, i, AREF (font, i)); | |
581e51e8 | 4056 | extra = Fcopy_alist (AREF (font, FONT_EXTRA_INDEX)); |
d26424c5 KH |
4057 | /* We must remove :font-entity property. */ |
4058 | for (prev = Qnil, tail = extra; CONSP (tail); prev = tail, tail = XCDR (tail)) | |
4059 | if (EQ (XCAR (XCAR (tail)), QCfont_entity)) | |
4060 | { | |
4061 | if (NILP (prev)) | |
4062 | extra = XCDR (extra); | |
4063 | else | |
4064 | XSETCDR (prev, XCDR (tail)); | |
4065 | break; | |
4066 | } | |
35027d0c KH |
4067 | ASET (new_spec, FONT_EXTRA_INDEX, extra); |
4068 | return new_spec; | |
4069 | } | |
4070 | ||
4071 | DEFUN ("merge-font-spec", Fmerge_font_spec, Smerge_font_spec, 2, 2, 0, | |
4072 | doc: /* Merge font-specs FROM and TO, and return a new font-spec. | |
4073 | Every specified properties in FROM override the corresponding | |
4074 | properties in TO. */) | |
5842a27b | 4075 | (Lisp_Object from, Lisp_Object to) |
35027d0c KH |
4076 | { |
4077 | Lisp_Object extra, tail; | |
4078 | int i; | |
4079 | ||
4080 | CHECK_FONT (from); | |
4081 | CHECK_FONT (to); | |
4082 | to = Fcopy_font_spec (to); | |
4083 | for (i = 0; i < FONT_EXTRA_INDEX; i++) | |
4084 | ASET (to, i, AREF (from, i)); | |
4085 | extra = AREF (to, FONT_EXTRA_INDEX); | |
4086 | for (tail = AREF (from, FONT_EXTRA_INDEX); CONSP (tail); tail = XCDR (tail)) | |
4087 | if (! EQ (XCAR (XCAR (tail)), Qfont_entity)) | |
4088 | { | |
4089 | Lisp_Object slot = assq_no_quit (XCAR (XCAR (tail)), extra); | |
4090 | ||
4091 | if (! NILP (slot)) | |
4092 | XSETCDR (slot, XCDR (XCAR (tail))); | |
4093 | else | |
4094 | extra = Fcons (Fcons (XCAR (XCAR (tail)), XCDR (XCAR (tail))), extra); | |
4095 | } | |
4096 | ASET (to, FONT_EXTRA_INDEX, extra); | |
4097 | return to; | |
4098 | } | |
c2f5bfd6 KH |
4099 | |
4100 | DEFUN ("font-get", Ffont_get, Sfont_get, 2, 2, 0, | |
45eb10fb | 4101 | doc: /* Return the value of FONT's property KEY. |
5bdd4dd2 KH |
4102 | FONT is a font-spec, a font-entity, or a font-object. |
4103 | KEY must be one of these symbols: | |
4104 | :family, :weight, :slant, :width, :foundry, :adstyle, :registry, | |
4105 | :size, :name, :script | |
4106 | See the documentation of `font-spec' for their meanings. | |
4107 | If FONT is a font-entity or font-object, the value of :script may be | |
4108 | a list of scripts that are supported by the font. */) | |
5842a27b | 4109 | (Lisp_Object font, Lisp_Object key) |
c2f5bfd6 | 4110 | { |
35027d0c | 4111 | int idx; |
c2f5bfd6 | 4112 | |
35027d0c KH |
4113 | CHECK_FONT (font); |
4114 | CHECK_SYMBOL (key); | |
e80e09b4 | 4115 | |
35027d0c | 4116 | idx = get_font_prop_index (key); |
2babb359 KH |
4117 | if (idx >= FONT_WEIGHT_INDEX && idx <= FONT_WIDTH_INDEX) |
4118 | return font_style_symbolic (font, idx, 0); | |
35027d0c | 4119 | if (idx >= 0 && idx < FONT_EXTRA_INDEX) |
c2f5bfd6 | 4120 | return AREF (font, idx); |
35027d0c | 4121 | return Fcdr (Fassq (key, AREF (font, FONT_EXTRA_INDEX))); |
c2f5bfd6 KH |
4122 | } |
4123 | ||
51cf11be AS |
4124 | #ifdef HAVE_WINDOW_SYSTEM |
4125 | ||
b1868a1a CY |
4126 | DEFUN ("font-face-attributes", Ffont_face_attributes, Sfont_face_attributes, 1, 2, 0, |
4127 | doc: /* Return a plist of face attributes generated by FONT. | |
4128 | FONT is a font name, a font-spec, a font-entity, or a font-object. | |
4129 | The return value is a list of the form | |
4130 | ||
6f568955 | 4131 | \(:family FAMILY :height HEIGHT :weight WEIGHT :slant SLANT :width WIDTH) |
b1868a1a | 4132 | |
48105a6a | 4133 | where FAMILY, HEIGHT, WEIGHT, SLANT, and WIDTH are face attribute values |
5989ba2f CY |
4134 | compatible with `set-face-attribute'. Some of these key-attribute pairs |
4135 | may be omitted from the list if they are not specified by FONT. | |
b1868a1a | 4136 | |
48105a6a JB |
4137 | The optional argument FRAME specifies the frame that the face attributes |
4138 | are to be displayed on. If omitted, the selected frame is used. */) | |
5842a27b | 4139 | (Lisp_Object font, Lisp_Object frame) |
b1868a1a CY |
4140 | { |
4141 | struct frame *f; | |
4142 | Lisp_Object plist[10]; | |
4143 | Lisp_Object val; | |
5989ba2f | 4144 | int n = 0; |
b1868a1a CY |
4145 | |
4146 | if (NILP (frame)) | |
4147 | frame = selected_frame; | |
4148 | CHECK_LIVE_FRAME (frame); | |
4149 | f = XFRAME (frame); | |
4150 | ||
4151 | if (STRINGP (font)) | |
4152 | { | |
4153 | int fontset = fs_query_fontset (font, 0); | |
4154 | Lisp_Object name = font; | |
4155 | if (fontset >= 0) | |
4156 | font = fontset_ascii (fontset); | |
4157 | font = font_spec_from_name (name); | |
4158 | if (! FONTP (font)) | |
4159 | signal_error ("Invalid font name", name); | |
4160 | } | |
4161 | else if (! FONTP (font)) | |
4162 | signal_error ("Invalid font object", font); | |
4163 | ||
b1868a1a | 4164 | val = AREF (font, FONT_FAMILY_INDEX); |
5989ba2f CY |
4165 | if (! NILP (val)) |
4166 | { | |
4167 | plist[n++] = QCfamily; | |
4168 | plist[n++] = SYMBOL_NAME (val); | |
4169 | } | |
b1868a1a | 4170 | |
b1868a1a CY |
4171 | val = AREF (font, FONT_SIZE_INDEX); |
4172 | if (INTEGERP (val)) | |
4173 | { | |
4174 | Lisp_Object font_dpi = AREF (font, FONT_DPI_INDEX); | |
4175 | int dpi = INTEGERP (font_dpi) ? XINT (font_dpi) : f->resy; | |
5989ba2f | 4176 | plist[n++] = QCheight; |
c3bb5465 | 4177 | plist[n++] = make_number (PIXEL_TO_POINT (XINT (val) * 10, dpi)); |
b1868a1a CY |
4178 | } |
4179 | else if (FLOATP (val)) | |
5989ba2f CY |
4180 | { |
4181 | plist[n++] = QCheight; | |
4182 | plist[n++] = make_number (10 * (int) XFLOAT_DATA (val)); | |
4183 | } | |
b1868a1a | 4184 | |
b1868a1a | 4185 | val = FONT_WEIGHT_FOR_FACE (font); |
5989ba2f CY |
4186 | if (! NILP (val)) |
4187 | { | |
4188 | plist[n++] = QCweight; | |
4189 | plist[n++] = val; | |
4190 | } | |
b1868a1a | 4191 | |
b1868a1a | 4192 | val = FONT_SLANT_FOR_FACE (font); |
5989ba2f CY |
4193 | if (! NILP (val)) |
4194 | { | |
4195 | plist[n++] = QCslant; | |
4196 | plist[n++] = val; | |
4197 | } | |
b1868a1a | 4198 | |
b1868a1a | 4199 | val = FONT_WIDTH_FOR_FACE (font); |
5989ba2f CY |
4200 | if (! NILP (val)) |
4201 | { | |
4202 | plist[n++] = QCwidth; | |
4203 | plist[n++] = val; | |
4204 | } | |
b1868a1a | 4205 | |
5989ba2f | 4206 | return Flist (n, plist); |
b1868a1a | 4207 | } |
c2f5bfd6 | 4208 | |
51cf11be AS |
4209 | #endif |
4210 | ||
c2f5bfd6 | 4211 | DEFUN ("font-put", Ffont_put, Sfont_put, 3, 3, 0, |
51c01100 | 4212 | doc: /* Set one property of FONT-SPEC: give property PROP value VAL. */) |
5842a27b | 4213 | (Lisp_Object font_spec, Lisp_Object prop, Lisp_Object val) |
c2f5bfd6 | 4214 | { |
35027d0c | 4215 | int idx; |
c2f5bfd6 KH |
4216 | |
4217 | CHECK_FONT_SPEC (font_spec); | |
35027d0c KH |
4218 | idx = get_font_prop_index (prop); |
4219 | if (idx >= 0 && idx < FONT_EXTRA_INDEX) | |
69eb9e8b | 4220 | ASET (font_spec, idx, font_prop_validate (idx, Qnil, val)); |
c2f5bfd6 | 4221 | else |
35027d0c | 4222 | font_put_extra (font_spec, prop, font_prop_validate (0, prop, val)); |
c2f5bfd6 KH |
4223 | return val; |
4224 | } | |
4225 | ||
4226 | DEFUN ("list-fonts", Flist_fonts, Slist_fonts, 1, 4, 0, | |
4227 | doc: /* List available fonts matching FONT-SPEC on the current frame. | |
4228 | Optional 2nd argument FRAME specifies the target frame. | |
4229 | Optional 3rd argument NUM, if non-nil, limits the number of returned fonts. | |
45eb10fb KH |
4230 | Optional 4th argument PREFER, if non-nil, is a font-spec to |
4231 | control the order of the returned list. Fonts are sorted by | |
027a33c0 | 4232 | how close they are to PREFER. */) |
5842a27b | 4233 | (Lisp_Object font_spec, Lisp_Object frame, Lisp_Object num, Lisp_Object prefer) |
c2f5bfd6 | 4234 | { |
72d36834 KH |
4235 | Lisp_Object vec, list; |
4236 | int n = 0; | |
c2f5bfd6 KH |
4237 | |
4238 | if (NILP (frame)) | |
4239 | frame = selected_frame; | |
4240 | CHECK_LIVE_FRAME (frame); | |
35027d0c | 4241 | CHECK_FONT_SPEC (font_spec); |
c2f5bfd6 KH |
4242 | if (! NILP (num)) |
4243 | { | |
4244 | CHECK_NUMBER (num); | |
4245 | n = XINT (num); | |
4246 | if (n <= 0) | |
4247 | return Qnil; | |
4248 | } | |
4249 | if (! NILP (prefer)) | |
35027d0c | 4250 | CHECK_FONT_SPEC (prefer); |
c2f5bfd6 | 4251 | |
72d36834 KH |
4252 | list = font_list_entities (frame, font_spec); |
4253 | if (NILP (list)) | |
c2f5bfd6 | 4254 | return Qnil; |
72d36834 KH |
4255 | if (NILP (XCDR (list)) |
4256 | && ASIZE (XCAR (list)) == 1) | |
4257 | return Fcons (AREF (XCAR (list), 0), Qnil); | |
c2f5bfd6 KH |
4258 | |
4259 | if (! NILP (prefer)) | |
72d36834 KH |
4260 | vec = font_sort_entities (list, prefer, frame, 0); |
4261 | else | |
4262 | vec = font_vconcat_entity_vectors (list); | |
4263 | if (n == 0 || n >= ASIZE (vec)) | |
c2f5bfd6 | 4264 | { |
72d36834 | 4265 | Lisp_Object args[2]; |
c2f5bfd6 | 4266 | |
72d36834 KH |
4267 | args[0] = vec; |
4268 | args[1] = Qnil; | |
4269 | list = Fappend (2, args); | |
4270 | } | |
4271 | else | |
4272 | { | |
4273 | for (list = Qnil, n--; n >= 0; n--) | |
4274 | list = Fcons (AREF (vec, n), list); | |
c2f5bfd6 KH |
4275 | } |
4276 | return list; | |
4277 | } | |
4278 | ||
35027d0c | 4279 | DEFUN ("font-family-list", Ffont_family_list, Sfont_family_list, 0, 1, 0, |
c2f5bfd6 | 4280 | doc: /* List available font families on the current frame. |
027a33c0 | 4281 | Optional argument FRAME, if non-nil, specifies the target frame. */) |
5842a27b | 4282 | (Lisp_Object frame) |
c2f5bfd6 KH |
4283 | { |
4284 | FRAME_PTR f; | |
4285 | struct font_driver_list *driver_list; | |
4286 | Lisp_Object list; | |
4287 | ||
4288 | if (NILP (frame)) | |
4289 | frame = selected_frame; | |
4290 | CHECK_LIVE_FRAME (frame); | |
4291 | f = XFRAME (frame); | |
4292 | list = Qnil; | |
4293 | for (driver_list = f->font_driver_list; driver_list; | |
4294 | driver_list = driver_list->next) | |
4295 | if (driver_list->driver->list_family) | |
4296 | { | |
4297 | Lisp_Object val = driver_list->driver->list_family (frame); | |
13bf758b | 4298 | Lisp_Object tail = list; |
c2f5bfd6 | 4299 | |
13bf758b CY |
4300 | for (; CONSP (val); val = XCDR (val)) |
4301 | if (NILP (Fmemq (XCAR (val), tail)) | |
4302 | && SYMBOLP (XCAR (val))) | |
4303 | list = Fcons (SYMBOL_NAME (XCAR (val)), list); | |
c2f5bfd6 KH |
4304 | } |
4305 | return list; | |
4306 | } | |
4307 | ||
4308 | DEFUN ("find-font", Ffind_font, Sfind_font, 1, 2, 0, | |
4309 | doc: /* Return a font-entity matching with FONT-SPEC on the current frame. | |
4310 | Optional 2nd argument FRAME, if non-nil, specifies the target frame. */) | |
5842a27b | 4311 | (Lisp_Object font_spec, Lisp_Object frame) |
c2f5bfd6 KH |
4312 | { |
4313 | Lisp_Object val = Flist_fonts (font_spec, frame, make_number (1), Qnil); | |
4314 | ||
4315 | if (CONSP (val)) | |
4316 | val = XCAR (val); | |
4317 | return val; | |
4318 | } | |
4319 | ||
d0ab1ebe | 4320 | DEFUN ("font-xlfd-name", Ffont_xlfd_name, Sfont_xlfd_name, 1, 2, 0, |
c2f5bfd6 KH |
4321 | doc: /* Return XLFD name of FONT. |
4322 | FONT is a font-spec, font-entity, or font-object. | |
d0ab1ebe KH |
4323 | If the name is too long for XLFD (maximum 255 chars), return nil. |
4324 | If the 2nd optional arg FOLD-WILDCARDS is non-nil, | |
4325 | the consecutive wildcards are folded to one. */) | |
5842a27b | 4326 | (Lisp_Object font, Lisp_Object fold_wildcards) |
c2f5bfd6 KH |
4327 | { |
4328 | char name[256]; | |
4329 | int pixel_size = 0; | |
4330 | ||
35027d0c KH |
4331 | CHECK_FONT (font); |
4332 | ||
4333 | if (FONT_OBJECT_P (font)) | |
c2f5bfd6 | 4334 | { |
35027d0c | 4335 | Lisp_Object font_name = AREF (font, FONT_NAME_INDEX); |
c2f5bfd6 | 4336 | |
35027d0c KH |
4337 | if (STRINGP (font_name) |
4338 | && SDATA (font_name)[0] == '-') | |
d0ab1ebe KH |
4339 | { |
4340 | if (NILP (fold_wildcards)) | |
4341 | return font_name; | |
4342 | strcpy (name, (char *) SDATA (font_name)); | |
4343 | goto done; | |
4344 | } | |
35027d0c | 4345 | pixel_size = XFONT_OBJECT (font)->pixel_size; |
c2f5bfd6 | 4346 | } |
c2f5bfd6 KH |
4347 | if (font_unparse_xlfd (font, pixel_size, name, 256) < 0) |
4348 | return Qnil; | |
d0ab1ebe KH |
4349 | done: |
4350 | if (! NILP (fold_wildcards)) | |
4351 | { | |
4352 | char *p0 = name, *p1; | |
4353 | ||
4354 | while ((p1 = strstr (p0, "-*-*"))) | |
4355 | { | |
4356 | strcpy (p1, p1 + 2); | |
4357 | p0 = p1; | |
4358 | } | |
4359 | } | |
4360 | ||
c2f5bfd6 KH |
4361 | return build_string (name); |
4362 | } | |
4363 | ||
4364 | DEFUN ("clear-font-cache", Fclear_font_cache, Sclear_font_cache, 0, 0, 0, | |
4365 | doc: /* Clear font cache. */) | |
5842a27b | 4366 | (void) |
c2f5bfd6 KH |
4367 | { |
4368 | Lisp_Object list, frame; | |
4369 | ||
4370 | FOR_EACH_FRAME (list, frame) | |
4371 | { | |
4372 | FRAME_PTR f = XFRAME (frame); | |
4373 | struct font_driver_list *driver_list = f->font_driver_list; | |
4374 | ||
4375 | for (; driver_list; driver_list = driver_list->next) | |
417a1b10 KH |
4376 | if (driver_list->on) |
4377 | { | |
ca4da08a | 4378 | Lisp_Object cache = driver_list->driver->get_cache (f); |
7a6f7fea | 4379 | Lisp_Object val, tmp; |
51c01100 | 4380 | |
ca4da08a | 4381 | val = XCDR (cache); |
43c0454d KH |
4382 | while (! NILP (val) |
4383 | && ! EQ (XCAR (XCAR (val)), driver_list->driver->type)) | |
ca4da08a | 4384 | val = XCDR (val); |
d0ab1ebe | 4385 | font_assert (! NILP (val)); |
7a6f7fea AS |
4386 | tmp = XCDR (XCAR (val)); |
4387 | if (XINT (XCAR (tmp)) == 0) | |
417a1b10 | 4388 | { |
ca4da08a KH |
4389 | font_clear_cache (f, XCAR (val), driver_list->driver); |
4390 | XSETCDR (cache, XCDR (val)); | |
417a1b10 | 4391 | } |
417a1b10 | 4392 | } |
c2f5bfd6 KH |
4393 | } |
4394 | ||
4395 | return Qnil; | |
4396 | } | |
4397 | ||
071132a9 KH |
4398 | \f |
4399 | void | |
971de7fb | 4400 | font_fill_lglyph_metrics (Lisp_Object glyph, Lisp_Object font_object) |
c2f5bfd6 | 4401 | { |
071132a9 | 4402 | struct font *font = XFONT_OBJECT (font_object); |
f62ab7c5 EZ |
4403 | unsigned code; |
4404 | /* ecode used in LGLYPH_SET_CODE to avoid compiler warnings. */ | |
4405 | EMACS_INT ecode = font->driver->encode_char (font, LGLYPH_CHAR (glyph)); | |
071132a9 | 4406 | struct font_metrics metrics; |
c2f5bfd6 | 4407 | |
f62ab7c5 EZ |
4408 | LGLYPH_SET_CODE (glyph, ecode); |
4409 | code = ecode; | |
071132a9 KH |
4410 | font->driver->text_extents (font, &code, 1, &metrics); |
4411 | LGLYPH_SET_LBEARING (glyph, metrics.lbearing); | |
4412 | LGLYPH_SET_RBEARING (glyph, metrics.rbearing); | |
4413 | LGLYPH_SET_WIDTH (glyph, metrics.width); | |
4414 | LGLYPH_SET_ASCENT (glyph, metrics.ascent); | |
4415 | LGLYPH_SET_DESCENT (glyph, metrics.descent); | |
c2f5bfd6 KH |
4416 | } |
4417 | ||
c2f5bfd6 | 4418 | |
071132a9 KH |
4419 | DEFUN ("font-shape-gstring", Ffont_shape_gstring, Sfont_shape_gstring, 1, 1, 0, |
4420 | doc: /* Shape the glyph-string GSTRING. | |
4421 | Shaping means substituting glyphs and/or adjusting positions of glyphs | |
4422 | to get the correct visual image of character sequences set in the | |
4423 | header of the glyph-string. | |
1701724c | 4424 | |
071132a9 KH |
4425 | If the shaping was successful, the value is GSTRING itself or a newly |
4426 | created glyph-string. Otherwise, the value is nil. */) | |
5842a27b | 4427 | (Lisp_Object gstring) |
1701724c KH |
4428 | { |
4429 | struct font *font; | |
071132a9 | 4430 | Lisp_Object font_object, n, glyph; |
fc3a285e | 4431 | int i, j, from, to; |
ba3de0e8 | 4432 | |
071132a9 KH |
4433 | if (! composition_gstring_p (gstring)) |
4434 | signal_error ("Invalid glyph-string: ", gstring); | |
4435 | if (! NILP (LGSTRING_ID (gstring))) | |
4436 | return gstring; | |
4437 | font_object = LGSTRING_FONT (gstring); | |
4438 | CHECK_FONT_OBJECT (font_object); | |
35027d0c | 4439 | font = XFONT_OBJECT (font_object); |
b876ea91 KH |
4440 | if (! font->driver->shape) |
4441 | return Qnil; | |
4442 | ||
40fb53d6 KH |
4443 | /* Try at most three times with larger gstring each time. */ |
4444 | for (i = 0; i < 3; i++) | |
4445 | { | |
40fb53d6 KH |
4446 | n = font->driver->shape (gstring); |
4447 | if (INTEGERP (n)) | |
4448 | break; | |
071132a9 KH |
4449 | gstring = larger_vector (gstring, |
4450 | ASIZE (gstring) + LGSTRING_GLYPH_LEN (gstring), | |
4451 | Qnil); | |
40fb53d6 | 4452 | } |
071132a9 | 4453 | if (i == 3 || XINT (n) == 0) |
1701724c | 4454 | return Qnil; |
ba3de0e8 | 4455 | |
071132a9 | 4456 | glyph = LGSTRING_GLYPH (gstring, 0); |
fc3a285e KH |
4457 | from = LGLYPH_FROM (glyph); |
4458 | to = LGLYPH_TO (glyph); | |
4459 | for (i = 1, j = 0; i < LGSTRING_GLYPH_LEN (gstring); i++) | |
071132a9 KH |
4460 | { |
4461 | Lisp_Object this = LGSTRING_GLYPH (gstring, i); | |
10d16101 | 4462 | |
071132a9 KH |
4463 | if (NILP (this)) |
4464 | break; | |
4465 | if (NILP (LGLYPH_ADJUSTMENT (this))) | |
fc3a285e KH |
4466 | { |
4467 | if (j < i - 1) | |
4468 | for (; j < i; j++) | |
4469 | { | |
4470 | glyph = LGSTRING_GLYPH (gstring, j); | |
4471 | LGLYPH_SET_FROM (glyph, from); | |
4472 | LGLYPH_SET_TO (glyph, to); | |
4473 | } | |
4474 | from = LGLYPH_FROM (this); | |
4475 | to = LGLYPH_TO (this); | |
4476 | j = i; | |
4477 | } | |
071132a9 | 4478 | else |
b2937119 | 4479 | { |
fc3a285e KH |
4480 | if (from > LGLYPH_FROM (this)) |
4481 | from = LGLYPH_FROM (this); | |
4482 | if (to < LGLYPH_TO (this)) | |
4483 | to = LGLYPH_TO (this); | |
b2937119 | 4484 | } |
10d16101 | 4485 | } |
fc3a285e KH |
4486 | if (j < i - 1) |
4487 | for (; j < i; j++) | |
4488 | { | |
4489 | glyph = LGSTRING_GLYPH (gstring, j); | |
4490 | LGLYPH_SET_FROM (glyph, from); | |
4491 | LGLYPH_SET_TO (glyph, to); | |
4492 | } | |
071132a9 | 4493 | return composition_gstring_put_cache (gstring, XINT (n)); |
c2f5bfd6 KH |
4494 | } |
4495 | ||
78a2f9cd KH |
4496 | DEFUN ("font-variation-glyphs", Ffont_variation_glyphs, Sfont_variation_glyphs, |
4497 | 2, 2, 0, | |
4498 | doc: /* Return a list of variation glyphs for CHAR in FONT-OBJECT. | |
4499 | Each element of the value is a cons (VARIATION-SELECTOR . GLYPH-ID), | |
4500 | where | |
4501 | VARIATION-SELECTOR is a chracter code of variation selection | |
4502 | (#xFE00..#xFE0F or #xE0100..#xE01EF) | |
4503 | GLYPH-ID is a glyph code of the corresponding variation glyph. */) | |
5842a27b | 4504 | (Lisp_Object font_object, Lisp_Object character) |
78a2f9cd KH |
4505 | { |
4506 | unsigned variations[256]; | |
4507 | struct font *font; | |
4508 | int i, n; | |
4509 | Lisp_Object val; | |
4510 | ||
4511 | CHECK_FONT_OBJECT (font_object); | |
4512 | CHECK_CHARACTER (character); | |
4513 | font = XFONT_OBJECT (font_object); | |
4514 | if (! font->driver->get_variation_glyphs) | |
4515 | return Qnil; | |
4516 | n = font->driver->get_variation_glyphs (font, XINT (character), variations); | |
4517 | if (! n) | |
4518 | return Qnil; | |
4519 | val = Qnil; | |
4520 | for (i = 0; i < 255; i++) | |
4521 | if (variations[i]) | |
4522 | { | |
4523 | Lisp_Object code; | |
4524 | int vs = (i < 16 ? 0xFE00 + i : 0xE0100 + (i - 16)); | |
b60861e6 GM |
4525 | /* Stops GCC whining about limited range of data type. */ |
4526 | EMACS_INT var = variations[i]; | |
78a2f9cd | 4527 | |
b60861e6 | 4528 | if (var > MOST_POSITIVE_FIXNUM) |
78a2f9cd KH |
4529 | code = Fcons (make_number ((variations[i]) >> 16), |
4530 | make_number ((variations[i]) & 0xFFFF)); | |
4531 | else | |
4532 | code = make_number (variations[i]); | |
4533 | val = Fcons (Fcons (make_number (vs), code), val); | |
4534 | } | |
4535 | return val; | |
4536 | } | |
4537 | ||
6a3dadd2 KH |
4538 | #if 0 |
4539 | ||
733fd013 KH |
4540 | DEFUN ("font-drive-otf", Ffont_drive_otf, Sfont_drive_otf, 6, 6, 0, |
4541 | doc: /* Apply OpenType features on glyph-string GSTRING-IN. | |
51c01100 | 4542 | OTF-FEATURES specifies which features to apply in this format: |
733fd013 | 4543 | (SCRIPT LANGSYS GSUB GPOS) |
e80e09b4 KH |
4544 | where |
4545 | SCRIPT is a symbol specifying a script tag of OpenType, | |
4546 | LANGSYS is a symbol specifying a langsys tag of OpenType, | |
733fd013 | 4547 | GSUB and GPOS, if non-nil, are lists of symbols specifying feature tags. |
e80e09b4 KH |
4548 | |
4549 | If LANGYS is nil, the default langsys is selected. | |
4550 | ||
51c01100 JB |
4551 | The features are applied in the order they appear in the list. The |
4552 | symbol `*' means to apply all available features not present in this | |
733fd013 KH |
4553 | list, and the remaining features are ignored. For instance, (vatu |
4554 | pstf * haln) is to apply vatu and pstf in this order, then to apply | |
4555 | all available features other than vatu, pstf, and haln. | |
e80e09b4 KH |
4556 | |
4557 | The features are applied to the glyphs in the range FROM and TO of | |
733fd013 | 4558 | the glyph-string GSTRING-IN. |
e80e09b4 | 4559 | |
51c01100 | 4560 | If some feature is actually applicable, the resulting glyphs are |
e80e09b4 KH |
4561 | produced in the glyph-string GSTRING-OUT from the index INDEX. In |
4562 | this case, the value is the number of produced glyphs. | |
4563 | ||
4564 | If no feature is applicable, no glyph is produced in GSTRING-OUT, and | |
4565 | the value is 0. | |
4566 | ||
51c01100 | 4567 | If GSTRING-OUT is too short to hold produced glyphs, no glyphs are |
e80e09b4 KH |
4568 | produced in GSTRING-OUT, and the value is nil. |
4569 | ||
4570 | See the documentation of `font-make-gstring' for the format of | |
4571 | glyph-string. */) | |
5842a27b | 4572 | (Lisp_Object otf_features, Lisp_Object gstring_in, Lisp_Object from, Lisp_Object to, Lisp_Object gstring_out, Lisp_Object index) |
e80e09b4 KH |
4573 | { |
4574 | Lisp_Object font_object = LGSTRING_FONT (gstring_in); | |
733fd013 KH |
4575 | Lisp_Object val; |
4576 | struct font *font; | |
e80e09b4 KH |
4577 | int len, num; |
4578 | ||
733fd013 | 4579 | check_otf_features (otf_features); |
35027d0c KH |
4580 | CHECK_FONT_OBJECT (font_object); |
4581 | font = XFONT_OBJECT (font_object); | |
733fd013 | 4582 | if (! font->driver->otf_drive) |
e80e09b4 KH |
4583 | error ("Font backend %s can't drive OpenType GSUB table", |
4584 | SDATA (SYMBOL_NAME (font->driver->type))); | |
733fd013 KH |
4585 | CHECK_CONS (otf_features); |
4586 | CHECK_SYMBOL (XCAR (otf_features)); | |
4587 | val = XCDR (otf_features); | |
4588 | CHECK_SYMBOL (XCAR (val)); | |
4589 | val = XCDR (otf_features); | |
4590 | if (! NILP (val)) | |
4591 | CHECK_CONS (val); | |
e80e09b4 KH |
4592 | len = check_gstring (gstring_in); |
4593 | CHECK_VECTOR (gstring_out); | |
4594 | CHECK_NATNUM (from); | |
4595 | CHECK_NATNUM (to); | |
4596 | CHECK_NATNUM (index); | |
4597 | ||
4598 | if (XINT (from) >= XINT (to) || XINT (to) > len) | |
4599 | args_out_of_range_3 (from, to, make_number (len)); | |
4600 | if (XINT (index) >= ASIZE (gstring_out)) | |
4601 | args_out_of_range (index, make_number (ASIZE (gstring_out))); | |
733fd013 KH |
4602 | num = font->driver->otf_drive (font, otf_features, |
4603 | gstring_in, XINT (from), XINT (to), | |
4604 | gstring_out, XINT (index), 0); | |
e80e09b4 KH |
4605 | if (num < 0) |
4606 | return Qnil; | |
4607 | return make_number (num); | |
4608 | } | |
4609 | ||
e80e09b4 KH |
4610 | DEFUN ("font-otf-alternates", Ffont_otf_alternates, Sfont_otf_alternates, |
4611 | 3, 3, 0, | |
4612 | doc: /* Return a list of alternate glyphs of CHARACTER in FONT-OBJECT. | |
51c01100 | 4613 | OTF-FEATURES specifies which features of the font FONT-OBJECT to apply |
e80e09b4 KH |
4614 | in this format: |
4615 | (SCRIPT LANGSYS FEATURE ...) | |
027a33c0 | 4616 | See the documentation of `font-drive-otf' for more detail. |
e80e09b4 KH |
4617 | |
4618 | The value is a list of cons cells of the format (GLYPH-ID . CHARACTER), | |
4619 | where GLYPH-ID is a glyph index of the font, and CHARACTER is a | |
4620 | character code corresponding to the glyph or nil if there's no | |
4621 | corresponding character. */) | |
5842a27b | 4622 | (Lisp_Object font_object, Lisp_Object character, Lisp_Object otf_features) |
e80e09b4 KH |
4623 | { |
4624 | struct font *font; | |
4625 | Lisp_Object gstring_in, gstring_out, g; | |
4626 | Lisp_Object alternates; | |
4627 | int i, num; | |
4628 | ||
4629 | CHECK_FONT_GET_OBJECT (font_object, font); | |
733fd013 | 4630 | if (! font->driver->otf_drive) |
e950d6f1 KH |
4631 | error ("Font backend %s can't drive OpenType GSUB table", |
4632 | SDATA (SYMBOL_NAME (font->driver->type))); | |
e80e09b4 | 4633 | CHECK_CHARACTER (character); |
733fd013 | 4634 | CHECK_CONS (otf_features); |
e80e09b4 KH |
4635 | |
4636 | gstring_in = Ffont_make_gstring (font_object, make_number (1)); | |
4637 | g = LGSTRING_GLYPH (gstring_in, 0); | |
f9ffa1ea | 4638 | LGLYPH_SET_CHAR (g, XINT (character)); |
e80e09b4 | 4639 | gstring_out = Ffont_make_gstring (font_object, make_number (10)); |
733fd013 KH |
4640 | while ((num = font->driver->otf_drive (font, otf_features, gstring_in, 0, 1, |
4641 | gstring_out, 0, 1)) < 0) | |
e80e09b4 KH |
4642 | gstring_out = Ffont_make_gstring (font_object, |
4643 | make_number (ASIZE (gstring_out) * 2)); | |
4644 | alternates = Qnil; | |
4645 | for (i = 0; i < num; i++) | |
4646 | { | |
4647 | Lisp_Object g = LGSTRING_GLYPH (gstring_out, i); | |
f9ffa1ea SM |
4648 | int c = LGLYPH_CHAR (g); |
4649 | unsigned code = LGLYPH_CODE (g); | |
e80e09b4 KH |
4650 | |
4651 | alternates = Fcons (Fcons (make_number (code), | |
4652 | c > 0 ? make_number (c) : Qnil), | |
4653 | alternates); | |
4654 | } | |
4655 | return Fnreverse (alternates); | |
4656 | } | |
6a3dadd2 | 4657 | #endif /* 0 */ |
c2f5bfd6 KH |
4658 | |
4659 | #ifdef FONT_DEBUG | |
4660 | ||
4661 | DEFUN ("open-font", Fopen_font, Sopen_font, 1, 3, 0, | |
4662 | doc: /* Open FONT-ENTITY. */) | |
5842a27b | 4663 | (Lisp_Object font_entity, Lisp_Object size, Lisp_Object frame) |
c2f5bfd6 KH |
4664 | { |
4665 | int isize; | |
4666 | ||
4667 | CHECK_FONT_ENTITY (font_entity); | |
c2f5bfd6 KH |
4668 | if (NILP (frame)) |
4669 | frame = selected_frame; | |
4670 | CHECK_LIVE_FRAME (frame); | |
51c01100 | 4671 | |
35027d0c KH |
4672 | if (NILP (size)) |
4673 | isize = XINT (AREF (font_entity, FONT_SIZE_INDEX)); | |
4674 | else | |
4675 | { | |
4676 | CHECK_NUMBER_OR_FLOAT (size); | |
4677 | if (FLOATP (size)) | |
d03b5cdb | 4678 | isize = POINT_TO_PIXEL (XFLOAT_DATA (size), XFRAME (frame)->resy); |
35027d0c KH |
4679 | else |
4680 | isize = XINT (size); | |
4681 | if (isize == 0) | |
4682 | isize = 120; | |
4683 | } | |
c2f5bfd6 KH |
4684 | return font_open_entity (XFRAME (frame), font_entity, isize); |
4685 | } | |
4686 | ||
4687 | DEFUN ("close-font", Fclose_font, Sclose_font, 1, 2, 0, | |
4688 | doc: /* Close FONT-OBJECT. */) | |
5842a27b | 4689 | (Lisp_Object font_object, Lisp_Object frame) |
c2f5bfd6 KH |
4690 | { |
4691 | CHECK_FONT_OBJECT (font_object); | |
4692 | if (NILP (frame)) | |
4693 | frame = selected_frame; | |
4694 | CHECK_LIVE_FRAME (frame); | |
4695 | font_close_object (XFRAME (frame), font_object); | |
4696 | return Qnil; | |
4697 | } | |
4698 | ||
4699 | DEFUN ("query-font", Fquery_font, Squery_font, 1, 1, 0, | |
e80e09b4 KH |
4700 | doc: /* Return information about FONT-OBJECT. |
4701 | The value is a vector: | |
4702 | [ NAME FILENAME PIXEL-SIZE SIZE ASCENT DESCENT SPACE-WIDTH AVERAGE-WIDTH | |
e0708580 | 4703 | CAPABILITY ] |
e80e09b4 KH |
4704 | |
4705 | NAME is a string of the font name (or nil if the font backend doesn't | |
4706 | provide a name). | |
4707 | ||
4708 | FILENAME is a string of the font file (or nil if the font backend | |
4709 | doesn't provide a file name). | |
4710 | ||
4711 | PIXEL-SIZE is a pixel size by which the font is opened. | |
4712 | ||
027a33c0 | 4713 | SIZE is a maximum advance width of the font in pixels. |
e80e09b4 KH |
4714 | |
4715 | ASCENT, DESCENT, SPACE-WIDTH, AVERAGE-WIDTH are metrics of the font in | |
027a33c0 | 4716 | pixels. |
e80e09b4 | 4717 | |
e0708580 KH |
4718 | CAPABILITY is a list whose first element is a symbol representing the |
4719 | font format \(x, opentype, truetype, type1, pcf, or bdf) and the | |
027a33c0 | 4720 | remaining elements describe the details of the font capability. |
e0708580 KH |
4721 | |
4722 | If the font is OpenType font, the form of the list is | |
4723 | \(opentype GSUB GPOS) | |
4724 | where GSUB shows which "GSUB" features the font supports, and GPOS | |
4725 | shows which "GPOS" features the font supports. Both GSUB and GPOS are | |
4726 | lists of the format: | |
4727 | \((SCRIPT (LANGSYS FEATURE ...) ...) ...) | |
4728 | ||
4729 | If the font is not OpenType font, currently the length of the form is | |
4730 | one. | |
e80e09b4 KH |
4731 | |
4732 | SCRIPT is a symbol representing OpenType script tag. | |
4733 | ||
4734 | LANGSYS is a symbol representing OpenType langsys tag, or nil | |
4735 | representing the default langsys. | |
4736 | ||
51c01100 | 4737 | FEATURE is a symbol representing OpenType feature tag. |
e80e09b4 | 4738 | |
51c01100 | 4739 | If the font is not OpenType font, CAPABILITY is nil. */) |
5842a27b | 4740 | (Lisp_Object font_object) |
c2f5bfd6 KH |
4741 | { |
4742 | struct font *font; | |
4743 | Lisp_Object val; | |
4744 | ||
4745 | CHECK_FONT_GET_OBJECT (font_object, font); | |
4746 | ||
4747 | val = Fmake_vector (make_number (9), Qnil); | |
35027d0c KH |
4748 | ASET (val, 0, AREF (font_object, FONT_NAME_INDEX)); |
4749 | ASET (val, 1, AREF (font_object, FONT_FILE_INDEX)); | |
c2f5bfd6 | 4750 | ASET (val, 2, make_number (font->pixel_size)); |
35027d0c | 4751 | ASET (val, 3, make_number (font->max_width)); |
c2f5bfd6 KH |
4752 | ASET (val, 4, make_number (font->ascent)); |
4753 | ASET (val, 5, make_number (font->descent)); | |
35027d0c KH |
4754 | ASET (val, 6, make_number (font->space_width)); |
4755 | ASET (val, 7, make_number (font->average_width)); | |
c2f5bfd6 | 4756 | if (font->driver->otf_capability) |
e0708580 | 4757 | ASET (val, 8, Fcons (Qopentype, font->driver->otf_capability (font))); |
c2f5bfd6 KH |
4758 | return val; |
4759 | } | |
4760 | ||
4761 | DEFUN ("get-font-glyphs", Fget_font_glyphs, Sget_font_glyphs, 2, 2, 0, | |
4762 | doc: /* Return a vector of glyphs of FONT-OBJECT for drawing STRING. | |
4763 | Each element is a vector [GLYPH-CODE LBEARING RBEARING WIDTH ASCENT DESCENT]. */) | |
5842a27b | 4764 | (Lisp_Object font_object, Lisp_Object string) |
c2f5bfd6 KH |
4765 | { |
4766 | struct font *font; | |
4767 | int i, len; | |
4768 | Lisp_Object vec; | |
4769 | ||
4770 | CHECK_FONT_GET_OBJECT (font_object, font); | |
4771 | CHECK_STRING (string); | |
4772 | len = SCHARS (string); | |
4773 | vec = Fmake_vector (make_number (len), Qnil); | |
4774 | for (i = 0; i < len; i++) | |
4775 | { | |
4776 | Lisp_Object ch = Faref (string, make_number (i)); | |
4777 | Lisp_Object val; | |
4778 | int c = XINT (ch); | |
4779 | unsigned code; | |
2930d117 | 4780 | EMACS_INT cod; |
c2f5bfd6 KH |
4781 | struct font_metrics metrics; |
4782 | ||
2930d117 | 4783 | cod = code = font->driver->encode_char (font, c); |
c2f5bfd6 KH |
4784 | if (code == FONT_INVALID_CODE) |
4785 | continue; | |
4786 | val = Fmake_vector (make_number (6), Qnil); | |
2930d117 | 4787 | if (cod <= MOST_POSITIVE_FIXNUM) |
c2f5bfd6 KH |
4788 | ASET (val, 0, make_number (code)); |
4789 | else | |
4790 | ASET (val, 0, Fcons (make_number (code >> 16), | |
4791 | make_number (code & 0xFFFF))); | |
51c01100 | 4792 | font->driver->text_extents (font, &code, 1, &metrics); |
c2f5bfd6 KH |
4793 | ASET (val, 1, make_number (metrics.lbearing)); |
4794 | ASET (val, 2, make_number (metrics.rbearing)); | |
4795 | ASET (val, 3, make_number (metrics.width)); | |
4796 | ASET (val, 4, make_number (metrics.ascent)); | |
4797 | ASET (val, 5, make_number (metrics.descent)); | |
4798 | ASET (vec, i, val); | |
4799 | } | |
4800 | return vec; | |
4801 | } | |
4802 | ||
ec6fe57c | 4803 | DEFUN ("font-match-p", Ffont_match_p, Sfont_match_p, 2, 2, 0, |
67b5d7de | 4804 | doc: /* Return t if and only if font-spec SPEC matches with FONT. |
ec6fe57c | 4805 | FONT is a font-spec, font-entity, or font-object. */) |
5842a27b | 4806 | (Lisp_Object spec, Lisp_Object font) |
ec6fe57c KH |
4807 | { |
4808 | CHECK_FONT_SPEC (spec); | |
35027d0c | 4809 | CHECK_FONT (font); |
ec6fe57c KH |
4810 | |
4811 | return (font_match_p (spec, font) ? Qt : Qnil); | |
4812 | } | |
4813 | ||
1701724c | 4814 | DEFUN ("font-at", Ffont_at, Sfont_at, 1, 3, 0, |
51c01100 | 4815 | doc: /* Return a font-object for displaying a character at POSITION. |
10d16101 KH |
4816 | Optional second arg WINDOW, if non-nil, is a window displaying |
4817 | the current buffer. It defaults to the currently selected window. */) | |
5842a27b | 4818 | (Lisp_Object position, Lisp_Object window, Lisp_Object string) |
10d16101 KH |
4819 | { |
4820 | struct window *w; | |
e3ee0340 | 4821 | EMACS_INT pos; |
10d16101 | 4822 | |
1701724c KH |
4823 | if (NILP (string)) |
4824 | { | |
4825 | CHECK_NUMBER_COERCE_MARKER (position); | |
4826 | pos = XINT (position); | |
4827 | if (pos < BEGV || pos >= ZV) | |
4828 | args_out_of_range_3 (position, make_number (BEGV), make_number (ZV)); | |
1701724c KH |
4829 | } |
4830 | else | |
4831 | { | |
1701724c KH |
4832 | CHECK_NUMBER (position); |
4833 | CHECK_STRING (string); | |
4834 | pos = XINT (position); | |
4835 | if (pos < 0 || pos >= SCHARS (string)) | |
4836 | args_out_of_range (string, position); | |
1701724c | 4837 | } |
10d16101 KH |
4838 | if (NILP (window)) |
4839 | window = selected_window; | |
4840 | CHECK_LIVE_WINDOW (window); | |
40fb53d6 | 4841 | w = XWINDOW (window); |
10d16101 | 4842 | |
40fb53d6 | 4843 | return font_at (-1, pos, NULL, w, string); |
10d16101 KH |
4844 | } |
4845 | ||
c2f5bfd6 KH |
4846 | #if 0 |
4847 | DEFUN ("draw-string", Fdraw_string, Sdraw_string, 2, 2, 0, | |
4848 | doc: /* Draw STRING by FONT-OBJECT on the top left corner of the current frame. | |
4849 | The value is a number of glyphs drawn. | |
4850 | Type C-l to recover what previously shown. */) | |
5842a27b | 4851 | (Lisp_Object font_object, Lisp_Object string) |
c2f5bfd6 KH |
4852 | { |
4853 | Lisp_Object frame = selected_frame; | |
4854 | FRAME_PTR f = XFRAME (frame); | |
4855 | struct font *font; | |
4856 | struct face *face; | |
4857 | int i, len, width; | |
4858 | unsigned *code; | |
4859 | ||
4860 | CHECK_FONT_GET_OBJECT (font_object, font); | |
4861 | CHECK_STRING (string); | |
4862 | len = SCHARS (string); | |
4863 | code = alloca (sizeof (unsigned) * len); | |
4864 | for (i = 0; i < len; i++) | |
4865 | { | |
4866 | Lisp_Object ch = Faref (string, make_number (i)); | |
4867 | Lisp_Object val; | |
4868 | int c = XINT (ch); | |
4869 | ||
4870 | code[i] = font->driver->encode_char (font, c); | |
4871 | if (code[i] == FONT_INVALID_CODE) | |
4872 | break; | |
4873 | } | |
4874 | face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
4875 | face->fontp = font; | |
4876 | if (font->driver->prepare_face) | |
4877 | font->driver->prepare_face (f, face); | |
4878 | width = font->driver->text_extents (font, code, i, NULL); | |
4879 | len = font->driver->draw_text (f, face, 0, font->ascent, code, i, width); | |
4880 | if (font->driver->done_face) | |
4881 | font->driver->done_face (f, face); | |
4882 | face->fontp = NULL; | |
4883 | return make_number (len); | |
4884 | } | |
4885 | #endif | |
4886 | ||
4887 | #endif /* FONT_DEBUG */ | |
4888 | ||
a266686a KH |
4889 | #ifdef HAVE_WINDOW_SYSTEM |
4890 | ||
72606e45 KH |
4891 | DEFUN ("font-info", Ffont_info, Sfont_info, 1, 2, 0, |
4892 | doc: /* Return information about a font named NAME on frame FRAME. | |
4893 | If FRAME is omitted or nil, use the selected frame. | |
06f19b91 | 4894 | The returned value is a vector of OPENED-NAME, FULL-NAME, SIZE, |
72606e45 KH |
4895 | HEIGHT, BASELINE-OFFSET, RELATIVE-COMPOSE, and DEFAULT-ASCENT, |
4896 | where | |
4897 | OPENED-NAME is the name used for opening the font, | |
4898 | FULL-NAME is the full name of the font, | |
06f19b91 KH |
4899 | SIZE is the pixelsize of the font, |
4900 | HEIGHT is the pixel-height of the font (i.e ascent + descent), | |
72606e45 KH |
4901 | BASELINE-OFFSET is the upward offset pixels from ASCII baseline, |
4902 | RELATIVE-COMPOSE and DEFAULT-ASCENT are the numbers controlling | |
4903 | how to compose characters. | |
4904 | If the named font is not yet loaded, return nil. */) | |
5842a27b | 4905 | (Lisp_Object name, Lisp_Object frame) |
72606e45 KH |
4906 | { |
4907 | FRAME_PTR f; | |
4908 | struct font *font; | |
4909 | Lisp_Object info; | |
4910 | Lisp_Object font_object; | |
4911 | ||
4912 | (*check_window_system_func) (); | |
4913 | ||
4914 | if (! FONTP (name)) | |
4915 | CHECK_STRING (name); | |
4916 | if (NILP (frame)) | |
4917 | frame = selected_frame; | |
4918 | CHECK_LIVE_FRAME (frame); | |
4919 | f = XFRAME (frame); | |
4920 | ||
4921 | if (STRINGP (name)) | |
4922 | { | |
4923 | int fontset = fs_query_fontset (name, 0); | |
4924 | ||
4925 | if (fontset >= 0) | |
4926 | name = fontset_ascii (fontset); | |
4927 | font_object = font_open_by_name (f, (char *) SDATA (name)); | |
4928 | } | |
4929 | else if (FONT_OBJECT_P (name)) | |
4930 | font_object = name; | |
4931 | else if (FONT_ENTITY_P (name)) | |
4932 | font_object = font_open_entity (f, name, 0); | |
4933 | else | |
4934 | { | |
4935 | struct face *face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
4936 | Lisp_Object entity = font_matching_entity (f, face->lface, name); | |
4937 | ||
4938 | font_object = ! NILP (entity) ? font_open_entity (f, entity, 0) : Qnil; | |
4939 | } | |
4940 | if (NILP (font_object)) | |
4941 | return Qnil; | |
4942 | font = XFONT_OBJECT (font_object); | |
4943 | ||
4944 | info = Fmake_vector (make_number (7), Qnil); | |
4945 | XVECTOR (info)->contents[0] = AREF (font_object, FONT_NAME_INDEX); | |
06f19b91 | 4946 | XVECTOR (info)->contents[1] = AREF (font_object, FONT_FULLNAME_INDEX); |
72606e45 KH |
4947 | XVECTOR (info)->contents[2] = make_number (font->pixel_size); |
4948 | XVECTOR (info)->contents[3] = make_number (font->height); | |
4949 | XVECTOR (info)->contents[4] = make_number (font->baseline_offset); | |
4950 | XVECTOR (info)->contents[5] = make_number (font->relative_compose); | |
4951 | XVECTOR (info)->contents[6] = make_number (font->default_ascent); | |
4952 | ||
4953 | #if 0 | |
4954 | /* As font_object is still in FONT_OBJLIST of the entity, we can't | |
4955 | close it now. Perhaps, we should manage font-objects | |
4956 | by `reference-count'. */ | |
4957 | font_close_object (f, font_object); | |
4958 | #endif | |
4959 | return info; | |
4960 | } | |
a266686a | 4961 | #endif |
72606e45 | 4962 | |
c2f5bfd6 | 4963 | \f |
d0ab1ebe KH |
4964 | #define BUILD_STYLE_TABLE(TBL) \ |
4965 | build_style_table ((TBL), sizeof TBL / sizeof (struct table_entry)) | |
4966 | ||
4967 | static Lisp_Object | |
971de7fb | 4968 | build_style_table (const struct table_entry *entry, int nelement) |
d0ab1ebe KH |
4969 | { |
4970 | int i, j; | |
4971 | Lisp_Object table, elt; | |
17ab8f5d | 4972 | |
d0ab1ebe KH |
4973 | table = Fmake_vector (make_number (nelement), Qnil); |
4974 | for (i = 0; i < nelement; i++) | |
4975 | { | |
4976 | for (j = 0; entry[i].names[j]; j++); | |
4977 | elt = Fmake_vector (make_number (j + 1), Qnil); | |
4978 | ASET (elt, 0, make_number (entry[i].numeric)); | |
4979 | for (j = 0; entry[i].names[j]; j++) | |
d67b4f80 | 4980 | ASET (elt, j + 1, intern_c_string (entry[i].names[j])); |
d0ab1ebe KH |
4981 | ASET (table, i, elt); |
4982 | } | |
4983 | return table; | |
4984 | } | |
4985 | ||
652b9560 | 4986 | Lisp_Object Vfont_log; |
d0ab1ebe | 4987 | |
d0818984 KH |
4988 | /* The deferred font-log data of the form [ACTION ARG RESULT]. |
4989 | If ACTION is not nil, that is added to the log when font_add_log is | |
4990 | called next time. At that time, ACTION is set back to nil. */ | |
4991 | static Lisp_Object Vfont_log_deferred; | |
4992 | ||
4993 | /* Prepend the font-related logging data in Vfont_log if it is not | |
4994 | `t'. ACTION describes a kind of font-related action (e.g. listing, | |
4995 | opening), ARG is the argument for the action, and RESULT is the | |
4996 | result of the action. */ | |
d0ab1ebe | 4997 | void |
971de7fb | 4998 | font_add_log (char *action, Lisp_Object arg, Lisp_Object result) |
d0ab1ebe KH |
4999 | { |
5000 | Lisp_Object tail, val; | |
5001 | int i; | |
5002 | ||
d0ab1ebe KH |
5003 | if (EQ (Vfont_log, Qt)) |
5004 | return; | |
d0818984 KH |
5005 | if (STRINGP (AREF (Vfont_log_deferred, 0))) |
5006 | { | |
071132a9 | 5007 | char *str = (char *) SDATA (AREF (Vfont_log_deferred, 0)); |
d0818984 KH |
5008 | |
5009 | ASET (Vfont_log_deferred, 0, Qnil); | |
5010 | font_add_log (str, AREF (Vfont_log_deferred, 1), | |
5011 | AREF (Vfont_log_deferred, 2)); | |
5012 | } | |
5013 | ||
d0ab1ebe | 5014 | if (FONTP (arg)) |
db716644 KH |
5015 | { |
5016 | Lisp_Object tail, elt; | |
5017 | Lisp_Object equalstr = build_string ("="); | |
5018 | ||
5019 | val = Ffont_xlfd_name (arg, Qt); | |
5020 | for (tail = AREF (arg, FONT_EXTRA_INDEX); CONSP (tail); | |
5021 | tail = XCDR (tail)) | |
5022 | { | |
5023 | elt = XCAR (tail); | |
49f9c344 KH |
5024 | if (EQ (XCAR (elt), QCscript) |
5025 | && SYMBOLP (XCDR (elt))) | |
db716644 KH |
5026 | val = concat3 (val, SYMBOL_NAME (QCscript), |
5027 | concat2 (equalstr, SYMBOL_NAME (XCDR (elt)))); | |
49f9c344 KH |
5028 | else if (EQ (XCAR (elt), QClang) |
5029 | && SYMBOLP (XCDR (elt))) | |
db716644 KH |
5030 | val = concat3 (val, SYMBOL_NAME (QClang), |
5031 | concat2 (equalstr, SYMBOL_NAME (XCDR (elt)))); | |
49f9c344 KH |
5032 | else if (EQ (XCAR (elt), QCotf) |
5033 | && CONSP (XCDR (elt)) && SYMBOLP (XCAR (XCDR (elt)))) | |
db716644 KH |
5034 | val = concat3 (val, SYMBOL_NAME (QCotf), |
5035 | concat2 (equalstr, | |
5036 | SYMBOL_NAME (XCAR (XCDR (elt))))); | |
5037 | } | |
5038 | arg = val; | |
5039 | } | |
72d36834 KH |
5040 | |
5041 | if (CONSP (result) | |
5042 | && VECTORP (XCAR (result)) | |
5043 | && ASIZE (XCAR (result)) > 0 | |
5044 | && FONTP (AREF (XCAR (result), 0))) | |
5045 | result = font_vconcat_entity_vectors (result); | |
d0ab1ebe | 5046 | if (FONTP (result)) |
d26424c5 KH |
5047 | { |
5048 | val = Ffont_xlfd_name (result, Qt); | |
5049 | if (! FONT_SPEC_P (result)) | |
5050 | val = concat3 (SYMBOL_NAME (AREF (result, FONT_TYPE_INDEX)), | |
5051 | build_string (":"), val); | |
5052 | result = val; | |
5053 | } | |
d0ab1ebe KH |
5054 | else if (CONSP (result)) |
5055 | { | |
5056 | result = Fcopy_sequence (result); | |
5057 | for (tail = result; CONSP (tail); tail = XCDR (tail)) | |
5058 | { | |
5059 | val = XCAR (tail); | |
5060 | if (FONTP (val)) | |
5061 | val = Ffont_xlfd_name (val, Qt); | |
5062 | XSETCAR (tail, val); | |
5063 | } | |
5064 | } | |
5065 | else if (VECTORP (result)) | |
5066 | { | |
5067 | result = Fcopy_sequence (result); | |
5068 | for (i = 0; i < ASIZE (result); i++) | |
5069 | { | |
5070 | val = AREF (result, i); | |
5071 | if (FONTP (val)) | |
5072 | val = Ffont_xlfd_name (val, Qt); | |
5073 | ASET (result, i, val); | |
5074 | } | |
5075 | } | |
5076 | Vfont_log = Fcons (list3 (intern (action), arg, result), Vfont_log); | |
5077 | } | |
5078 | ||
d0818984 KH |
5079 | /* Record a font-related logging data to be added to Vfont_log when |
5080 | font_add_log is called next time. ACTION, ARG, RESULT are the same | |
5081 | as font_add_log. */ | |
5082 | ||
5083 | void | |
971de7fb | 5084 | font_deferred_log (char *action, Lisp_Object arg, Lisp_Object result) |
d0818984 | 5085 | { |
652b9560 KH |
5086 | if (EQ (Vfont_log, Qt)) |
5087 | return; | |
d0818984 KH |
5088 | ASET (Vfont_log_deferred, 0, build_string (action)); |
5089 | ASET (Vfont_log_deferred, 1, arg); | |
5090 | ASET (Vfont_log_deferred, 2, result); | |
ba3de0e8 | 5091 | } |
d0818984 | 5092 | |
971de7fb DN |
5093 | extern void syms_of_ftfont (void); |
5094 | extern void syms_of_xfont (void); | |
5095 | extern void syms_of_xftfont (void); | |
5096 | extern void syms_of_ftxfont (void); | |
5097 | extern void syms_of_bdffont (void); | |
5098 | extern void syms_of_w32font (void); | |
5099 | extern void syms_of_atmfont (void); | |
5100 | extern void syms_of_nsfont (void); | |
c2f5bfd6 KH |
5101 | |
5102 | void | |
971de7fb | 5103 | syms_of_font (void) |
c2f5bfd6 | 5104 | { |
4007dd1c KH |
5105 | sort_shift_bits[FONT_TYPE_INDEX] = 0; |
5106 | sort_shift_bits[FONT_SLANT_INDEX] = 2; | |
5107 | sort_shift_bits[FONT_WEIGHT_INDEX] = 9; | |
5108 | sort_shift_bits[FONT_SIZE_INDEX] = 16; | |
5109 | sort_shift_bits[FONT_WIDTH_INDEX] = 23; | |
5110 | /* Note that the other elements in sort_shift_bits are not used. */ | |
c2f5bfd6 | 5111 | |
1701724c KH |
5112 | staticpro (&font_charset_alist); |
5113 | font_charset_alist = Qnil; | |
5114 | ||
e0708580 | 5115 | DEFSYM (Qopentype, "opentype"); |
c2f5bfd6 | 5116 | |
9e1bb909 | 5117 | DEFSYM (Qascii_0, "ascii-0"); |
1bb1d99b KH |
5118 | DEFSYM (Qiso8859_1, "iso8859-1"); |
5119 | DEFSYM (Qiso10646_1, "iso10646-1"); | |
5120 | DEFSYM (Qunicode_bmp, "unicode-bmp"); | |
cf96c5c2 | 5121 | DEFSYM (Qunicode_sip, "unicode-sip"); |
1bb1d99b | 5122 | |
071132a9 KH |
5123 | DEFSYM (QCf, "Cf"); |
5124 | ||
c2f5bfd6 | 5125 | DEFSYM (QCotf, ":otf"); |
35027d0c | 5126 | DEFSYM (QClang, ":lang"); |
c2f5bfd6 | 5127 | DEFSYM (QCscript, ":script"); |
4c496d0d | 5128 | DEFSYM (QCantialias, ":antialias"); |
c2f5bfd6 KH |
5129 | |
5130 | DEFSYM (QCfoundry, ":foundry"); | |
5131 | DEFSYM (QCadstyle, ":adstyle"); | |
5132 | DEFSYM (QCregistry, ":registry"); | |
9331887d KH |
5133 | DEFSYM (QCspacing, ":spacing"); |
5134 | DEFSYM (QCdpi, ":dpi"); | |
ec6fe57c | 5135 | DEFSYM (QCscalable, ":scalable"); |
35027d0c KH |
5136 | DEFSYM (QCavgwidth, ":avgwidth"); |
5137 | DEFSYM (QCfont_entity, ":font-entity"); | |
5138 | DEFSYM (QCfc_unknown_spec, ":fc-unknown-spec"); | |
c2f5bfd6 | 5139 | |
ec6fe57c KH |
5140 | DEFSYM (Qc, "c"); |
5141 | DEFSYM (Qm, "m"); | |
5142 | DEFSYM (Qp, "p"); | |
5143 | DEFSYM (Qd, "d"); | |
5144 | ||
cf702558 CY |
5145 | DEFSYM (Qja, "ja"); |
5146 | DEFSYM (Qko, "ko"); | |
5147 | ||
42707278 JD |
5148 | DEFSYM (QCuser_spec, "user-spec"); |
5149 | ||
c2f5bfd6 KH |
5150 | staticpro (&null_vector); |
5151 | null_vector = Fmake_vector (make_number (0), Qnil); | |
5152 | ||
5153 | staticpro (&scratch_font_spec); | |
5154 | scratch_font_spec = Ffont_spec (0, NULL); | |
5155 | staticpro (&scratch_font_prefer); | |
5156 | scratch_font_prefer = Ffont_spec (0, NULL); | |
5157 | ||
d0818984 KH |
5158 | staticpro (&Vfont_log_deferred); |
5159 | Vfont_log_deferred = Fmake_vector (make_number (3), Qnil); | |
5160 | ||
6a3dadd2 | 5161 | #if 0 |
733fd013 KH |
5162 | #ifdef HAVE_LIBOTF |
5163 | staticpro (&otf_list); | |
5164 | otf_list = Qnil; | |
6a3dadd2 KH |
5165 | #endif /* HAVE_LIBOTF */ |
5166 | #endif /* 0 */ | |
733fd013 | 5167 | |
c2f5bfd6 KH |
5168 | defsubr (&Sfontp); |
5169 | defsubr (&Sfont_spec); | |
5170 | defsubr (&Sfont_get); | |
51cf11be | 5171 | #ifdef HAVE_WINDOW_SYSTEM |
b1868a1a | 5172 | defsubr (&Sfont_face_attributes); |
51cf11be | 5173 | #endif |
c2f5bfd6 KH |
5174 | defsubr (&Sfont_put); |
5175 | defsubr (&Slist_fonts); | |
35027d0c | 5176 | defsubr (&Sfont_family_list); |
c2f5bfd6 KH |
5177 | defsubr (&Sfind_font); |
5178 | defsubr (&Sfont_xlfd_name); | |
5179 | defsubr (&Sclear_font_cache); | |
071132a9 | 5180 | defsubr (&Sfont_shape_gstring); |
78a2f9cd | 5181 | defsubr (&Sfont_variation_glyphs); |
6a3dadd2 | 5182 | #if 0 |
733fd013 | 5183 | defsubr (&Sfont_drive_otf); |
e80e09b4 | 5184 | defsubr (&Sfont_otf_alternates); |
6a3dadd2 | 5185 | #endif /* 0 */ |
c2f5bfd6 KH |
5186 | |
5187 | #ifdef FONT_DEBUG | |
5188 | defsubr (&Sopen_font); | |
5189 | defsubr (&Sclose_font); | |
5190 | defsubr (&Squery_font); | |
5191 | defsubr (&Sget_font_glyphs); | |
ec6fe57c | 5192 | defsubr (&Sfont_match_p); |
10d16101 | 5193 | defsubr (&Sfont_at); |
c2f5bfd6 KH |
5194 | #if 0 |
5195 | defsubr (&Sdraw_string); | |
5196 | #endif | |
5197 | #endif /* FONT_DEBUG */ | |
a266686a | 5198 | #ifdef HAVE_WINDOW_SYSTEM |
72606e45 | 5199 | defsubr (&Sfont_info); |
a266686a | 5200 | #endif |
c2f5bfd6 | 5201 | |
819e81df KH |
5202 | DEFVAR_LISP ("font-encoding-alist", &Vfont_encoding_alist, |
5203 | doc: /* | |
5204 | Alist of fontname patterns vs the corresponding encoding and repertory info. | |
5205 | Each element looks like (REGEXP . (ENCODING . REPERTORY)), | |
5206 | where ENCODING is a charset or a char-table, | |
5207 | and REPERTORY is a charset, a char-table, or nil. | |
5208 | ||
027a33c0 | 5209 | If ENCODING and REPERTORY are the same, the element can have the form |
819e81df KH |
5210 | \(REGEXP . ENCODING). |
5211 | ||
5212 | ENCODING is for converting a character to a glyph code of the font. | |
5213 | If ENCODING is a charset, encoding a character by the charset gives | |
5214 | the corresponding glyph code. If ENCODING is a char-table, looking up | |
5215 | the table by a character gives the corresponding glyph code. | |
5216 | ||
5217 | REPERTORY specifies a repertory of characters supported by the font. | |
5218 | If REPERTORY is a charset, all characters beloging to the charset are | |
5219 | supported. If REPERTORY is a char-table, all characters who have a | |
027a33c0 | 5220 | non-nil value in the table are supported. If REPERTORY is nil, Emacs |
819e81df KH |
5221 | gets the repertory information by an opened font and ENCODING. */); |
5222 | Vfont_encoding_alist = Qnil; | |
5223 | ||
933ac235 SM |
5224 | /* FIXME: These 3 vars are not quite what they appear: setq on them |
5225 | won't have any effect other than disconnect them from the style | |
5226 | table used by the font display code. So we make them read-only, | |
5227 | to avoid this confusing situation. */ | |
5228 | ||
d0ab1ebe KH |
5229 | DEFVAR_LISP_NOPRO ("font-weight-table", &Vfont_weight_table, |
5230 | doc: /* Vector of valid font weight values. | |
5231 | Each element has the form: | |
5232 | [NUMERIC-VALUE SYMBOLIC-NAME ALIAS-NAME ...] | |
17ab8f5d | 5233 | NUMERIC-VALUE is an integer, and SYMBOLIC-NAME and ALIAS-NAME are symbols. */); |
d0ab1ebe | 5234 | Vfont_weight_table = BUILD_STYLE_TABLE (weight_table); |
933ac235 | 5235 | XSYMBOL (intern_c_string ("font-weight-table"))->constant = 1; |
d0ab1ebe KH |
5236 | |
5237 | DEFVAR_LISP_NOPRO ("font-slant-table", &Vfont_slant_table, | |
5238 | doc: /* Vector of font slant symbols vs the corresponding numeric values. | |
17ab8f5d | 5239 | See `font-weight-table' for the format of the vector. */); |
d0ab1ebe | 5240 | Vfont_slant_table = BUILD_STYLE_TABLE (slant_table); |
933ac235 | 5241 | XSYMBOL (intern_c_string ("font-slant-table"))->constant = 1; |
d0ab1ebe KH |
5242 | |
5243 | DEFVAR_LISP_NOPRO ("font-width-table", &Vfont_width_table, | |
5244 | doc: /* Alist of font width symbols vs the corresponding numeric values. | |
17ab8f5d | 5245 | See `font-weight-table' for the format of the vector. */); |
d0ab1ebe | 5246 | Vfont_width_table = BUILD_STYLE_TABLE (width_table); |
933ac235 | 5247 | XSYMBOL (intern_c_string ("font-width-table"))->constant = 1; |
d0ab1ebe KH |
5248 | |
5249 | staticpro (&font_style_table); | |
5250 | font_style_table = Fmake_vector (make_number (3), Qnil); | |
5251 | ASET (font_style_table, 0, Vfont_weight_table); | |
5252 | ASET (font_style_table, 1, Vfont_slant_table); | |
5253 | ASET (font_style_table, 2, Vfont_width_table); | |
5254 | ||
5255 | DEFVAR_LISP ("font-log", &Vfont_log, doc: /* | |
5256 | *Logging list of font related actions and results. | |
5257 | The value t means to suppress the logging. | |
5258 | The initial value is set to nil if the environment variable | |
5259 | EMACS_FONT_LOG is set. Otherwise, it is set to t. */); | |
5260 | Vfont_log = Qnil; | |
5261 | ||
819e81df | 5262 | #ifdef HAVE_WINDOW_SYSTEM |
c2f5bfd6 | 5263 | #ifdef HAVE_FREETYPE |
35027d0c | 5264 | syms_of_ftfont (); |
c2f5bfd6 | 5265 | #ifdef HAVE_X_WINDOWS |
35027d0c KH |
5266 | syms_of_xfont (); |
5267 | syms_of_ftxfont (); | |
c2f5bfd6 | 5268 | #ifdef HAVE_XFT |
35027d0c | 5269 | syms_of_xftfont (); |
c2f5bfd6 KH |
5270 | #endif /* HAVE_XFT */ |
5271 | #endif /* HAVE_X_WINDOWS */ | |
5272 | #else /* not HAVE_FREETYPE */ | |
5273 | #ifdef HAVE_X_WINDOWS | |
35027d0c | 5274 | syms_of_xfont (); |
c2f5bfd6 KH |
5275 | #endif /* HAVE_X_WINDOWS */ |
5276 | #endif /* not HAVE_FREETYPE */ | |
5277 | #ifdef HAVE_BDFFONT | |
35027d0c | 5278 | syms_of_bdffont (); |
c2f5bfd6 KH |
5279 | #endif /* HAVE_BDFFONT */ |
5280 | #ifdef WINDOWSNT | |
35027d0c | 5281 | syms_of_w32font (); |
c2f5bfd6 | 5282 | #endif /* WINDOWSNT */ |
edfda783 AR |
5283 | #ifdef HAVE_NS |
5284 | syms_of_nsfont (); | |
5285 | #endif /* HAVE_NS */ | |
819e81df | 5286 | #endif /* HAVE_WINDOW_SYSTEM */ |
c2f5bfd6 | 5287 | } |
885b7d09 | 5288 | |
652b9560 | 5289 | void |
971de7fb | 5290 | init_font (void) |
652b9560 KH |
5291 | { |
5292 | Vfont_log = egetenv ("EMACS_FONT_LOG") ? Qnil : Qt; | |
5293 | } | |
5294 | ||
885b7d09 MB |
5295 | /* arch-tag: 74c9475d-5976-4c93-a327-942ae3072846 |
5296 | (do not change this comment) */ |