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c2f5bfd6 KH |
1 | /* font.c -- "Font" primitives. |
2 | Copyright (C) 2006 Free Software Foundation, Inc. | |
3 | Copyright (C) 2006 | |
4 | National Institute of Advanced Industrial Science and Technology (AIST) | |
5 | Registration Number H13PRO009 | |
6 | ||
7 | This file is part of GNU Emacs. | |
8 | ||
9 | GNU Emacs is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2, or (at your option) | |
12 | any later version. | |
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 | |
20 | along with GNU Emacs; see the file COPYING. If not, write to | |
21 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
22 | Boston, MA 02110-1301, USA. */ | |
23 | ||
24 | #include <config.h> | |
25 | #include <stdio.h> | |
26 | #include <stdlib.h> | |
27 | #include <ctype.h> | |
28 | ||
29 | #include "lisp.h" | |
30 | #include "buffer.h" | |
31 | #include "frame.h" | |
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 | ||
39 | #define FONT_DEBUG | |
40 | ||
41 | #ifdef FONT_DEBUG | |
42 | #undef xassert | |
43 | #define xassert(X) do {if (!(X)) abort ();} while (0) | |
44 | #else | |
45 | #define xassert(X) (void) 0 | |
46 | #endif | |
47 | ||
48 | int enable_font_backend; | |
49 | ||
50 | Lisp_Object Qfontp; | |
51 | ||
1bb1d99b KH |
52 | /* Important character set symbols. */ |
53 | Lisp_Object Qiso8859_1, Qiso10646_1, Qunicode_bmp; | |
54 | ||
c2f5bfd6 KH |
55 | /* Like CHECK_FONT_SPEC but also validate properties of the font-spec, |
56 | and set X to the validated result. */ | |
57 | ||
58 | #define CHECK_VALIDATE_FONT_SPEC(x) \ | |
59 | do { \ | |
60 | if (! FONT_SPEC_P (x)) x = wrong_type_argument (Qfont, x); \ | |
61 | x = font_prop_validate (x); \ | |
62 | } while (0) | |
63 | ||
64 | /* Number of pt per inch (from the TeXbook). */ | |
65 | #define PT_PER_INCH 72.27 | |
66 | ||
9331887d KH |
67 | /* Return a pixel size (integer) corresponding to POINT size (double) |
68 | on resolution RESY. */ | |
69 | #define POINT_TO_PIXEL(POINT, RESY) ((POINT) * (RESY) / PT_PER_INCH + 0.5) | |
c2f5bfd6 | 70 | |
9331887d KH |
71 | /* Return a point size (double) corresponding to POINT size (integer) |
72 | on resolution RESY. */ | |
c2f5bfd6 KH |
73 | #define PIXEL_TO_POINT(PIXEL, RESY) ((PIXEL) * PT_PER_INCH * 10 / (RESY) + 0.5) |
74 | ||
75 | /* Special string of zero length. It is used to specify a NULL name | |
76 | in a font properties (e.g. adstyle). We don't use the symbol of | |
77 | NULL name because it's confusing (Lisp printer prints nothing for | |
78 | it). */ | |
79 | Lisp_Object null_string; | |
80 | ||
81 | /* Special vector of zero length. This is repeatedly used by (struct | |
82 | font_driver *)->list when a specified font is not found. */ | |
83 | Lisp_Object null_vector; | |
84 | ||
85 | /* Vector of 3 elements. Each element is an alist for one of font | |
86 | style properties (weight, slant, width). The alist contains a | |
87 | mapping between symbolic property values (e.g. `medium' for weight) | |
88 | and numeric property values (e.g. 100). So, it looks like this: | |
89 | [((thin . 0) ... (heavy . 210)) | |
90 | ((ro . 0) ... (ot . 210)) | |
91 | ((ultracondensed . 50) ... (wide . 200))] */ | |
92 | static Lisp_Object font_style_table; | |
93 | ||
94 | /* Alist of font family vs the corresponding aliases. | |
95 | Each element has this form: | |
96 | (FAMILY ALIAS1 ALIAS2 ...) */ | |
97 | ||
98 | static Lisp_Object font_family_alist; | |
99 | ||
100 | /* Symbols representing keys of normal font properties. */ | |
101 | extern Lisp_Object QCtype, QCfamily, QCweight, QCslant, QCwidth, QCsize, QCname; | |
102 | Lisp_Object QCfoundry, QCadstyle, QCregistry, QCextra; | |
103 | /* Symbols representing keys of font extra info. */ | |
9331887d | 104 | Lisp_Object QCspacing, QCdpi, QCotf, QClanguage, QCscript; |
c2f5bfd6 KH |
105 | |
106 | /* List of all font drivers. All font-backends (XXXfont.c) call | |
107 | add_font_driver in syms_of_XXXfont to register the font-driver | |
108 | here. */ | |
109 | static struct font_driver_list *font_driver_list; | |
110 | ||
111 | static Lisp_Object prop_name_to_numeric P_ ((enum font_property_index, | |
112 | Lisp_Object)); | |
113 | static Lisp_Object prop_numeric_to_name P_ ((enum font_property_index, int)); | |
114 | static Lisp_Object font_open_entity P_ ((FRAME_PTR, Lisp_Object, int)); | |
115 | ||
116 | /* Number of registered font drivers. */ | |
117 | static int num_font_drivers; | |
118 | ||
9331887d KH |
119 | /* Return a pixel size of font-spec SPEC on frame F. */ |
120 | static int | |
121 | font_pixel_size (f, spec) | |
122 | FRAME_PTR f; | |
123 | Lisp_Object spec; | |
124 | { | |
125 | Lisp_Object size = AREF (spec, FONT_SIZE_INDEX); | |
126 | double point_size; | |
127 | int pixel_size, dpi; | |
128 | Lisp_Object extra, val; | |
129 | ||
130 | if (INTEGERP (size)) | |
131 | return XINT (size); | |
132 | if (NILP (size)) | |
133 | return 0; | |
134 | point_size = XFLOAT_DATA (size); | |
135 | extra = AREF (spec, FONT_EXTRA_INDEX); | |
136 | val = assq_no_quit (extra, QCdpi); | |
137 | ||
138 | if (CONSP (val) && INTEGERP (XCDR (val))) | |
139 | dpi = XINT (XCDR (val)); | |
140 | else | |
141 | dpi = f->resy; | |
142 | pixel_size = POINT_TO_PIXEL (point_size, dpi); | |
143 | return pixel_size; | |
144 | } | |
145 | ||
c2f5bfd6 KH |
146 | /* Return a numeric value corresponding to PROP's NAME (symbol). If |
147 | NAME is not registered in font_style_table, return Qnil. PROP must | |
148 | be one of FONT_{WEIGHT|SLANT|SWIDTH}_INDEX. */ | |
149 | ||
150 | static Lisp_Object | |
151 | prop_name_to_numeric (prop, name) | |
152 | enum font_property_index prop; | |
153 | Lisp_Object name; | |
154 | { | |
155 | int table_index = prop - FONT_WEIGHT_INDEX; | |
156 | Lisp_Object val; | |
157 | ||
158 | val = assq_no_quit (name, AREF (font_style_table, table_index)); | |
159 | return (NILP (val) ? Qnil : XCDR (val)); | |
160 | } | |
161 | ||
162 | ||
163 | /* Return a name (symbol) corresponding to PROP's NUMERIC value. If | |
164 | no name is registered for NUMERIC in font_style_table, return a | |
165 | symbol of integer name (e.g. `123'). PROP must be one of | |
166 | FONT_{WEIGHT|SLANT|SWIDTH}_INDEX. */ | |
167 | ||
168 | static Lisp_Object | |
169 | prop_numeric_to_name (prop, numeric) | |
170 | enum font_property_index prop; | |
171 | int numeric; | |
172 | { | |
173 | int table_index = prop - FONT_WEIGHT_INDEX; | |
174 | Lisp_Object table = AREF (font_style_table, table_index); | |
175 | char buf[10]; | |
176 | ||
177 | while (! NILP (table)) | |
178 | { | |
179 | if (XINT (XCDR (XCAR (table))) >= numeric) | |
180 | { | |
181 | if (XINT (XCDR (XCAR (table))) == numeric) | |
182 | return XCAR (XCAR (table)); | |
183 | else | |
184 | break; | |
185 | } | |
186 | table = XCDR (table); | |
187 | } | |
188 | sprintf (buf, "%d", numeric); | |
189 | return intern (buf); | |
190 | } | |
191 | ||
192 | ||
193 | /* Return a symbol whose name is STR (length LEN). If STR contains | |
194 | uppercase letters, downcase them in advance. */ | |
195 | ||
196 | Lisp_Object | |
197 | intern_downcase (str, len) | |
198 | char *str; | |
199 | int len; | |
200 | { | |
201 | char *buf; | |
202 | int i; | |
203 | ||
204 | for (i = 0; i < len; i++) | |
205 | if (isupper (str[i])) | |
206 | break; | |
207 | if (i == len) | |
208 | return Fintern (make_unibyte_string (str, len), Qnil); | |
209 | buf = alloca (len); | |
210 | if (! buf) | |
211 | return Fintern (null_string, Qnil); | |
212 | bcopy (str, buf, len); | |
213 | for (; i < len; i++) | |
214 | if (isascii (buf[i])) | |
215 | buf[i] = tolower (buf[i]); | |
216 | return Fintern (make_unibyte_string (buf, len), Qnil); | |
217 | } | |
218 | ||
219 | extern Lisp_Object Vface_alternative_font_family_alist; | |
220 | ||
221 | static void | |
222 | build_font_family_alist () | |
223 | { | |
224 | Lisp_Object alist = Vface_alternative_font_family_alist; | |
225 | ||
226 | for (; CONSP (alist); alist = XCDR (alist)) | |
227 | { | |
228 | Lisp_Object tail, elt; | |
229 | ||
230 | for (tail = XCAR (alist), elt = Qnil ; CONSP (tail); tail = XCDR (tail)) | |
231 | elt = nconc2 (elt, Fcons (Fintern (XCAR (tail), Qnil), Qnil)); | |
232 | font_family_alist = Fcons (elt, font_family_alist); | |
233 | } | |
234 | } | |
235 | ||
236 | \f | |
237 | /* Font property validater. */ | |
238 | ||
239 | static Lisp_Object | |
240 | font_prop_validate_type (prop, val) | |
241 | enum font_property_index prop; | |
242 | Lisp_Object val; | |
243 | { | |
244 | return (SYMBOLP (val) ? val : Qerror); | |
245 | } | |
246 | ||
247 | static Lisp_Object | |
248 | font_prop_validate_symbol (prop, val) | |
249 | enum font_property_index prop; | |
250 | Lisp_Object val; | |
251 | { | |
252 | if (STRINGP (val)) | |
253 | val = (SCHARS (val) == 0 ? null_string | |
254 | : intern_downcase ((char *) SDATA (val), SBYTES (val))); | |
255 | else if (SYMBOLP (val)) | |
256 | { | |
257 | if (SCHARS (SYMBOL_NAME (val)) == 0) | |
258 | val = null_string; | |
259 | } | |
260 | else | |
261 | val = Qerror; | |
262 | return val; | |
263 | } | |
264 | ||
265 | static Lisp_Object | |
266 | font_prop_validate_style (prop, val) | |
267 | enum font_property_index prop; | |
268 | Lisp_Object val; | |
269 | { | |
270 | if (! INTEGERP (val)) | |
271 | { | |
272 | if (STRINGP (val)) | |
273 | val = intern_downcase ((char *) SDATA (val), SBYTES (val)); | |
274 | if (! SYMBOLP (val)) | |
275 | val = Qerror; | |
276 | else | |
277 | { | |
278 | val = prop_name_to_numeric (prop, val); | |
279 | if (NILP (val)) | |
280 | val = Qerror; | |
281 | } | |
282 | } | |
283 | return val; | |
284 | } | |
285 | ||
286 | static Lisp_Object | |
287 | font_prop_validate_size (prop, val) | |
288 | enum font_property_index prop; | |
289 | Lisp_Object val; | |
290 | { | |
291 | return (NATNUMP (val) || (FLOATP (val) && XFLOAT_DATA (val) >= 0) | |
292 | ? val : Qerror); | |
293 | } | |
294 | ||
295 | static Lisp_Object | |
296 | font_prop_validate_extra (prop, val) | |
297 | enum font_property_index prop; | |
298 | Lisp_Object val; | |
299 | { | |
300 | Lisp_Object tail; | |
301 | ||
302 | for (tail = val; CONSP (tail); tail = XCDR (tail)) | |
303 | { | |
304 | Lisp_Object key = Fcar (XCAR (tail)), this_val = Fcdr (XCAR (tail)); | |
305 | ||
306 | if (NILP (this_val)) | |
307 | return Qnil; | |
308 | if (EQ (key, QClanguage)) | |
309 | if (! SYMBOLP (this_val)) | |
310 | { | |
311 | for (; CONSP (this_val); this_val = XCDR (this_val)) | |
312 | if (! SYMBOLP (XCAR (this_val))) | |
313 | return Qerror; | |
314 | if (! NILP (this_val)) | |
315 | return Qerror; | |
316 | } | |
317 | if (EQ (key, QCotf)) | |
318 | if (! STRINGP (this_val)) | |
319 | return Qerror; | |
320 | } | |
321 | return (NILP (tail) ? val : Qerror); | |
322 | } | |
323 | ||
324 | ||
325 | struct | |
326 | { | |
327 | Lisp_Object *key; | |
328 | Lisp_Object (*validater) P_ ((enum font_property_index prop, | |
329 | Lisp_Object val)); | |
330 | } font_property_table[FONT_SPEC_MAX] = | |
331 | { { &QCtype, font_prop_validate_type }, | |
332 | { &QCfoundry, font_prop_validate_symbol }, | |
333 | { &QCfamily, font_prop_validate_symbol }, | |
334 | { &QCadstyle, font_prop_validate_symbol }, | |
335 | { &QCregistry, font_prop_validate_symbol }, | |
336 | { &QCweight, font_prop_validate_style }, | |
337 | { &QCslant, font_prop_validate_style }, | |
338 | { &QCwidth, font_prop_validate_style }, | |
339 | { &QCsize, font_prop_validate_size }, | |
340 | { &QCextra, font_prop_validate_extra } | |
341 | }; | |
342 | ||
343 | static enum font_property_index | |
344 | check_font_prop_name (key) | |
345 | Lisp_Object key; | |
346 | { | |
347 | enum font_property_index i; | |
348 | ||
349 | for (i = FONT_TYPE_INDEX; i < FONT_SPEC_MAX; i++) | |
350 | if (EQ (key, *font_property_table[i].key)) | |
351 | break; | |
352 | return i; | |
353 | } | |
354 | ||
355 | static Lisp_Object | |
356 | font_prop_validate (spec) | |
357 | Lisp_Object spec; | |
358 | { | |
359 | enum font_property_index i; | |
360 | Lisp_Object val; | |
361 | ||
362 | for (i = FONT_TYPE_INDEX; i <= FONT_EXTRA_INDEX; i++) | |
363 | { | |
364 | if (! NILP (AREF (spec, i))) | |
365 | { | |
366 | val = (font_property_table[i].validater) (i, AREF (spec, i)); | |
367 | if (EQ (val, Qerror)) | |
368 | Fsignal (Qerror, list3 (build_string ("invalid font property"), | |
369 | *font_property_table[i].key, | |
370 | AREF (spec, i))); | |
371 | ASET (spec, i, val); | |
372 | } | |
373 | } | |
374 | return spec; | |
375 | } | |
376 | ||
9331887d KH |
377 | static void |
378 | font_put_extra (font, prop, val, force) | |
379 | Lisp_Object font, prop, val; | |
380 | int force; | |
381 | { | |
382 | Lisp_Object extra = AREF (font, FONT_EXTRA_INDEX); | |
383 | Lisp_Object slot = (NILP (extra) ? Qnil : Fassq (prop, extra)); | |
384 | ||
385 | if (NILP (slot)) | |
386 | { | |
387 | extra = Fcons (Fcons (prop, val), extra); | |
388 | ASET (font, FONT_EXTRA_INDEX, extra); | |
389 | return; | |
390 | } | |
391 | if (! NILP (XCDR (slot)) && ! force) | |
392 | return; | |
393 | XSETCDR (slot, val); | |
394 | return; | |
395 | } | |
396 | ||
c2f5bfd6 KH |
397 | \f |
398 | /* Font name parser and unparser */ | |
399 | ||
400 | /* An enumerator for each field of an XLFD font name. */ | |
401 | ||
402 | enum xlfd_field_index | |
403 | { | |
404 | XLFD_FOUNDRY_INDEX, | |
405 | XLFD_FAMILY_INDEX, | |
406 | XLFD_WEIGHT_INDEX, | |
407 | XLFD_SLANT_INDEX, | |
408 | XLFD_SWIDTH_INDEX, | |
409 | XLFD_ADSTYLE_INDEX, | |
4485a28e KH |
410 | XLFD_PIXEL_INDEX, |
411 | XLFD_POINT_INDEX, | |
c2f5bfd6 KH |
412 | XLFD_RESX_INDEX, |
413 | XLFD_RESY_INDEX, | |
414 | XLFD_SPACING_INDEX, | |
415 | XLFD_AVGWIDTH_INDEX, | |
416 | XLFD_REGISTRY_INDEX, | |
417 | XLFD_ENCODING_INDEX, | |
418 | XLFD_LAST_INDEX | |
419 | }; | |
420 | ||
4485a28e KH |
421 | enum xlfd_field_mask |
422 | { | |
423 | XLFD_FOUNDRY_MASK = 0x0001, | |
424 | XLFD_FAMILY_MASK = 0x0002, | |
425 | XLFD_WEIGHT_MASK = 0x0004, | |
426 | XLFD_SLANT_MASK = 0x0008, | |
427 | XLFD_SWIDTH_MASK = 0x0010, | |
428 | XLFD_ADSTYLE_MASK = 0x0020, | |
429 | XLFD_PIXEL_MASK = 0x0040, | |
430 | XLFD_POINT_MASK = 0x0080, | |
431 | XLFD_RESX_MASK = 0x0100, | |
432 | XLFD_RESY_MASK = 0x0200, | |
433 | XLFD_SPACING_MASK = 0x0400, | |
434 | XLFD_AVGWIDTH_MASK = 0x0800, | |
435 | XLFD_REGISTRY_MASK = 0x1000, | |
436 | XLFD_ENCODING_MASK = 0x2000 | |
437 | }; | |
438 | ||
439 | ||
440 | /* Return a Lispy value for string at STR and bytes LEN. | |
c2f5bfd6 KH |
441 | If LEN == 0, return a null string. |
442 | If the string is "*", return Qnil. | |
443 | It is assured that LEN < 256. */ | |
444 | ||
445 | static Lisp_Object | |
4485a28e KH |
446 | intern_font_field (str, len) |
447 | char *str; | |
448 | int len; | |
c2f5bfd6 | 449 | { |
4485a28e | 450 | int i; |
c2f5bfd6 KH |
451 | |
452 | if (len == 0) | |
453 | return null_string; | |
454 | if (*str == '*' && len == 1) | |
455 | return Qnil; | |
4485a28e KH |
456 | if (isdigit (*str)) |
457 | { | |
458 | for (i = 1; i < len; i++) | |
459 | if (! isdigit (str[i])) | |
460 | break; | |
461 | if (i == len) | |
462 | return make_number (atoi (str)); | |
463 | } | |
c2f5bfd6 KH |
464 | return intern_downcase (str, len); |
465 | } | |
466 | ||
467 | /* Parse P pointing the pixel/point size field of the form | |
468 | `[A B C D]' which specifies a transformation matrix: | |
469 | ||
470 | A B 0 | |
471 | C D 0 | |
472 | 0 0 1 | |
473 | ||
474 | by which all glyphs of the font are transformed. The spec says | |
475 | that scalar value N for the pixel/point size is equivalent to: | |
476 | A = N * resx/resy, B = C = 0, D = N. | |
477 | ||
478 | Return the scalar value N if the form is valid. Otherwise return | |
479 | -1. */ | |
480 | ||
481 | static int | |
482 | parse_matrix (p) | |
483 | char *p; | |
484 | { | |
485 | double matrix[4]; | |
486 | char *end; | |
487 | int i; | |
488 | ||
489 | for (i = 0, p++; i < 4 && *p && *p != ']'; i++) | |
490 | { | |
491 | if (*p == '~') | |
492 | matrix[i] = - strtod (p + 1, &end); | |
493 | else | |
494 | matrix[i] = strtod (p, &end); | |
495 | p = end; | |
496 | } | |
497 | return (i == 4 ? (int) matrix[3] : -1); | |
498 | } | |
499 | ||
4485a28e KH |
500 | /* Expand a wildcard field in FIELD (the first N fields are filled) to |
501 | multiple fields to fill in all 14 XLFD fields while restring a | |
502 | field position by its contents. */ | |
503 | ||
504 | int | |
505 | font_expand_wildcards (field, n) | |
506 | Lisp_Object field[XLFD_LAST_INDEX]; | |
507 | int n; | |
508 | { | |
509 | /* Copy of FIELD. */ | |
510 | Lisp_Object tmp[XLFD_LAST_INDEX]; | |
511 | /* Array of information about where this element can go. Nth | |
512 | element is for Nth element of FIELD. */ | |
513 | struct { | |
514 | /* Minimum possible field. */ | |
515 | int from; | |
516 | /* Maxinum possible field. */ | |
517 | int to; | |
518 | /* Bit mask of possible field. Nth bit corresponds to Nth field. */ | |
519 | int mask; | |
520 | } range[XLFD_LAST_INDEX]; | |
521 | int i, j; | |
522 | unsigned range_mask; | |
523 | ||
524 | #define XLFD_SYMBOL_MASK (XLFD_FOUNDRY_MASK | XLFD_FAMILY_MASK \ | |
525 | | XLFD_ADSTYLE_MASK | XLFD_REGISTRY_MASK) | |
526 | #define XLFD_NULL_MASK (XLFD_FOUNDRY_MASK | XLFD_ADSTYLE_MASK) | |
4485a28e | 527 | #define XLFD_LARGENUM_MASK (XLFD_POINT_MASK | XLFD_RESX_MASK | XLFD_RESY_MASK \ |
ef18374f | 528 | | XLFD_AVGWIDTH_MASK) |
4485a28e KH |
529 | #define XLFD_REGENC_MASK (XLFD_REGISTRY_MASK | XLFD_ENCODING_MASK) |
530 | ||
531 | /* Initialize RANGE_MASK for FIELD[0] which can be 0th to (14 - N)th | |
532 | field. The value is shifted to left one bit by one in the | |
533 | following loop. */ | |
534 | for (i = 0, range_mask = 0; i <= 14 - n; i++) | |
535 | range_mask = (range_mask << 1) | 1; | |
536 | ||
537 | for (i = 0; i < n; i++, range_mask <<= 1) | |
538 | { | |
539 | /* The triplet RANGE_FROM, RANGE_TO, and RANGE_MASK is a | |
540 | position-based retriction for FIELD[I]. */ | |
541 | int range_from = i, range_to = 14 - n + i; | |
542 | Lisp_Object val = field[i]; | |
543 | ||
544 | tmp[i] = val; | |
545 | if (NILP (val)) | |
546 | { | |
547 | /* Wildcard. */ | |
548 | range[i].from = range_from; | |
549 | range[i].to = range_to; | |
550 | range[i].mask = range_mask; | |
551 | } | |
552 | else | |
553 | { | |
554 | /* The triplet FROM, TO, and MASK is a value-based | |
555 | retriction for FIELD[I]. */ | |
556 | int from, to; | |
557 | unsigned mask; | |
558 | ||
559 | if (INTEGERP (val)) | |
560 | { | |
561 | int numeric = XINT (val); | |
562 | ||
ef18374f KH |
563 | if (i + 1 == n) |
564 | from = to = XLFD_ENCODING_INDEX, | |
565 | mask = XLFD_ENCODING_MASK; | |
566 | else if (numeric <= 48) | |
567 | from = to = XLFD_PIXEL_INDEX, | |
568 | mask = XLFD_PIXEL_MASK; | |
4485a28e | 569 | else |
ef18374f | 570 | from = XLFD_POINT_INDEX, to = XLFD_AVGWIDTH_MASK, |
4485a28e KH |
571 | mask = XLFD_LARGENUM_MASK; |
572 | } | |
573 | else if (EQ (val, null_string)) | |
574 | from = XLFD_FOUNDRY_INDEX, to = XLFD_ADSTYLE_INDEX, | |
575 | mask = XLFD_NULL_MASK; | |
576 | else if (i == 0) | |
577 | from = to = XLFD_FOUNDRY_INDEX, mask = XLFD_FOUNDRY_MASK; | |
578 | else if (i + 1 == n) | |
579 | { | |
580 | Lisp_Object name = SYMBOL_NAME (val); | |
581 | ||
582 | if (SDATA (name)[SBYTES (name) - 1] == '*') | |
583 | from = XLFD_REGISTRY_INDEX, to = XLFD_ENCODING_INDEX, | |
584 | mask = XLFD_REGENC_MASK; | |
585 | else | |
586 | from = to = XLFD_ENCODING_INDEX, | |
587 | mask = XLFD_ENCODING_MASK; | |
588 | } | |
ef18374f KH |
589 | else if (range_from <= XLFD_WEIGHT_INDEX |
590 | && range_to >= XLFD_WEIGHT_INDEX | |
591 | && !NILP (prop_name_to_numeric (FONT_WEIGHT_INDEX, val))) | |
4485a28e | 592 | from = to = XLFD_WEIGHT_INDEX, mask = XLFD_WEIGHT_MASK; |
ef18374f KH |
593 | else if (range_from <= XLFD_SLANT_INDEX |
594 | && range_to >= XLFD_SLANT_INDEX | |
595 | && !NILP (prop_name_to_numeric (FONT_SLANT_INDEX, val))) | |
4485a28e | 596 | from = to = XLFD_SLANT_INDEX, mask = XLFD_SLANT_MASK; |
ef18374f KH |
597 | else if (range_from <= XLFD_SWIDTH_INDEX |
598 | && range_to >= XLFD_SWIDTH_INDEX | |
599 | && !NILP (prop_name_to_numeric (FONT_WIDTH_INDEX, val))) | |
4485a28e KH |
600 | from = to = XLFD_SWIDTH_INDEX, mask = XLFD_SWIDTH_MASK; |
601 | else | |
602 | { | |
603 | Lisp_Object name = SYMBOL_NAME (val); | |
604 | ||
605 | if (SBYTES (name) == 1 | |
606 | && (SDATA (name)[0] == 'c' | |
607 | || SDATA (name)[0] == 'm' | |
608 | || SDATA (name)[0] == 'p')) | |
609 | from = to = XLFD_SPACING_INDEX, mask = XLFD_SPACING_MASK; | |
610 | else | |
611 | from = XLFD_FOUNDRY_INDEX, to = XLFD_ENCODING_INDEX, | |
612 | mask = XLFD_SYMBOL_MASK; | |
613 | } | |
614 | ||
615 | /* Merge position-based and value-based restrictions. */ | |
616 | mask &= range_mask; | |
617 | while (from < range_from) | |
618 | mask &= ~(1 << from++); | |
619 | while (from < 14 && ! (mask & (1 << from))) | |
620 | from++; | |
621 | while (to > range_to) | |
622 | mask &= ~(1 << to--); | |
623 | while (to >= 0 && ! (mask & (1 << to))) | |
624 | to--; | |
625 | if (from > to) | |
626 | return -1; | |
627 | range[i].from = from; | |
628 | range[i].to = to; | |
629 | range[i].mask = mask; | |
630 | ||
631 | if (from > range_from || to < range_to) | |
632 | /* The range is narrowed by value-based restrictions. | |
633 | Reflect it to the previous fields. */ | |
634 | for (j = i - 1, from--, to--; j >= 0; j--, from--, to--) | |
635 | { | |
636 | /* Check FROM for non-wildcard field. */ | |
637 | if (! NILP (tmp[j]) && range[j].from < from) | |
638 | { | |
639 | while (range[j].from < from) | |
640 | range[j].mask &= ~(1 << range[j].from++); | |
641 | while (from < 14 && ! (range[j].mask & (1 << from))) | |
642 | from++; | |
643 | range[j].from = from; | |
644 | } | |
645 | else | |
646 | from = range[j].from; | |
647 | if (range[j].to > to) | |
648 | { | |
649 | while (range[j].to > to) | |
650 | range[j].mask &= ~(1 << range[j].to--); | |
651 | while (to >= 0 && ! (range[j].mask & (1 << to))) | |
652 | to--; | |
653 | range[j].to = to; | |
654 | } | |
655 | else | |
656 | to = range[j].to; | |
657 | if (from > to) | |
658 | return -1; | |
659 | } | |
660 | } | |
661 | } | |
662 | ||
663 | /* Decide all fileds from restrictions in RANGE. */ | |
664 | for (i = j = 0; i < n ; i++) | |
665 | { | |
666 | if (j < range[i].from) | |
667 | { | |
668 | if (i == 0 || ! NILP (tmp[i - 1])) | |
669 | /* None of TMP[X] corresponds to Jth field. */ | |
670 | return -1; | |
671 | for (; j < range[i].from; j++) | |
672 | field[j] = Qnil; | |
673 | } | |
674 | field[j++] = tmp[i]; | |
675 | } | |
676 | if (! NILP (tmp[n - 1]) && j < XLFD_REGISTRY_INDEX) | |
677 | return -1; | |
678 | for (; j < XLFD_LAST_INDEX; j++) | |
679 | field[j] = Qnil; | |
680 | if (INTEGERP (field[XLFD_ENCODING_INDEX])) | |
681 | field[XLFD_ENCODING_INDEX] | |
682 | = Fintern (Fnumber_to_string (field[XLFD_ENCODING_INDEX]), Qnil); | |
683 | return 0; | |
684 | } | |
685 | ||
ef18374f | 686 | /* Parse NAME (null terminated) as XLFD and store information in FONT |
9331887d KH |
687 | (font-spec or font-entity). Size property of FONT is set as |
688 | follows: | |
689 | specified XLFD fields FONT property | |
690 | --------------------- ------------- | |
691 | PIXEL_SIZE PIXEL_SIZE (Lisp integer) | |
692 | POINT_SIZE and RESY calculated pixel size (Lisp integer) | |
693 | POINT_SIZE POINT_SIZE/10 (Lisp float) | |
694 | ||
695 | If NAME is successfully parsed, return 2 (size is specified), 1 | |
696 | (size is not specified), or 0 (size is not specified but resolution | |
697 | is specified). Otherwise return -1. | |
698 | ||
699 | See font_parse_name for more detail. */ | |
c2f5bfd6 KH |
700 | |
701 | int | |
702 | font_parse_xlfd (name, font, merge) | |
703 | char *name; | |
704 | Lisp_Object font; | |
705 | int merge; | |
706 | { | |
707 | int len = strlen (name); | |
708 | int i, j; | |
4485a28e | 709 | int pixel_size, resy, avgwidth; |
c2f5bfd6 | 710 | double point_size; |
4485a28e | 711 | Lisp_Object f[XLFD_LAST_INDEX]; |
c2f5bfd6 | 712 | Lisp_Object val; |
4485a28e | 713 | char *p; |
c2f5bfd6 KH |
714 | |
715 | if (len > 255) | |
716 | /* Maximum XLFD name length is 255. */ | |
717 | return -1; | |
4485a28e KH |
718 | i = (name[0] == '*' && name[1] == '-'); |
719 | for (p = name + 1; *p; p++) | |
720 | { | |
721 | if (*p == '-') | |
722 | { | |
723 | i++; | |
724 | if (i == XLFD_ENCODING_INDEX) | |
725 | break; | |
726 | } | |
727 | } | |
c2f5bfd6 | 728 | |
4485a28e KH |
729 | pixel_size = resy = avgwidth = -1; |
730 | point_size = -1; | |
731 | ||
732 | if (i == XLFD_ENCODING_INDEX) | |
733 | { | |
734 | /* Fully specified XLFD. */ | |
735 | if (name[0] == '-') | |
736 | name++; | |
737 | for (i = 0, p = name; ; p++) | |
738 | { | |
739 | if (*p == '-') | |
740 | { | |
741 | if (i < XLFD_PIXEL_INDEX) | |
742 | f[i++] = intern_font_field (name, p - name); | |
743 | else if (i == XLFD_PIXEL_INDEX) | |
744 | { | |
745 | if (isdigit (*name)) | |
746 | pixel_size = atoi (name); | |
747 | else if (*name == '[') | |
748 | pixel_size = parse_matrix (name); | |
749 | i++; | |
750 | } | |
751 | else if (i == XLFD_POINT_INDEX) | |
752 | { | |
9331887d KH |
753 | /* If PIXEL_SIZE is specified, we don't have to |
754 | calculate POINT_SIZE. */ | |
4485a28e KH |
755 | if (pixel_size < 0) |
756 | { | |
757 | if (isdigit (*name)) | |
758 | point_size = atoi (name); | |
759 | else if (*name == '[') | |
760 | point_size = parse_matrix (name); | |
761 | } | |
762 | i++; | |
763 | } | |
764 | else if (i == XLFD_RESX_INDEX) | |
765 | { | |
766 | /* Skip this field. */ | |
767 | f[i++] = Qnil; | |
768 | } | |
769 | else if (i == XLFD_RESY_INDEX) | |
770 | { | |
771 | /* Stuff RESY, SPACING, and AVGWIDTH. */ | |
9331887d KH |
772 | /* If PIXEL_SIZE is specified, we don't have to |
773 | calculate RESY. */ | |
4485a28e KH |
774 | if (pixel_size < 0 && isdigit (*name)) |
775 | resy = atoi (name); | |
776 | for (p++; *p != '-'; p++); | |
777 | if (isdigit (p[1])) | |
778 | avgwidth = atoi (p + 1); | |
779 | else if (p[1] == '~' && isdigit (p[2])) | |
780 | avgwidth = atoi (p + 2); | |
781 | for (p++; *p != '-'; p++); | |
782 | if (FONT_ENTITY_P (font)) | |
783 | f[i] = intern_font_field (name, p - name); | |
784 | else | |
785 | f[i] = Qnil; | |
786 | i = XLFD_REGISTRY_INDEX; | |
787 | } | |
788 | else | |
789 | { | |
790 | /* Stuff REGISTRY and ENCODING. */ | |
791 | for (p++; *p; p++); | |
792 | f[i++] = intern_font_field (name, p - name); | |
793 | break; | |
794 | } | |
795 | name = p + 1; | |
796 | } | |
797 | } | |
798 | xassert (i == XLFD_ENCODING_INDEX); | |
799 | } | |
800 | else | |
c2f5bfd6 | 801 | { |
4485a28e KH |
802 | int wild_card_found = 0; |
803 | ||
804 | if (name[0] == '-') | |
805 | name++; | |
806 | for (i = 0, p = name; ; p++) | |
807 | { | |
808 | if (*p == '-' || ! *p) | |
809 | { | |
810 | if (*name == '*') | |
811 | { | |
812 | if (name + 1 != p) | |
813 | return -1; | |
814 | f[i++] = Qnil; | |
815 | wild_card_found = 1; | |
816 | } | |
817 | else if (isdigit (*name)) | |
818 | { | |
819 | f[i++] = make_number (atoi (name)); | |
820 | /* Check if all chars in this field is number. */ | |
821 | name++; | |
822 | while (isdigit (*name)) name++; | |
823 | if (name != p) | |
824 | return -1; | |
825 | } | |
826 | else if (p == name) | |
827 | f[i++] = null_string; | |
828 | else | |
829 | { | |
830 | f[i++] = intern_downcase (name, p - name); | |
831 | } | |
832 | if (! *p) | |
833 | break; | |
834 | name = p + 1; | |
835 | } | |
836 | } | |
837 | if (! wild_card_found) | |
c2f5bfd6 | 838 | return -1; |
4485a28e KH |
839 | if (font_expand_wildcards (f, i) < 0) |
840 | return -1; | |
841 | if (! NILP (f[XLFD_PIXEL_INDEX])) | |
842 | pixel_size = XINT (f[XLFD_PIXEL_INDEX]); | |
9331887d KH |
843 | /* If PIXEL_SIZE is specified, we don't have to |
844 | calculate POINT_SIZE and RESY. */ | |
845 | if (pixel_size < 0) | |
846 | { | |
847 | if (! NILP (f[XLFD_POINT_INDEX])) | |
848 | point_size = XINT (f[XLFD_POINT_INDEX]); | |
849 | if (! NILP (f[XLFD_RESY_INDEX])) | |
850 | resy = XINT (f[XLFD_RESY_INDEX]); | |
851 | } | |
4485a28e KH |
852 | if (! NILP (f[XLFD_AVGWIDTH_INDEX])) |
853 | avgwidth = XINT (f[XLFD_AVGWIDTH_INDEX]); | |
854 | if (NILP (f[XLFD_REGISTRY_INDEX])) | |
c2f5bfd6 | 855 | { |
4485a28e KH |
856 | if (! NILP (f[XLFD_ENCODING_INDEX])) |
857 | f[XLFD_REGISTRY_INDEX] | |
858 | = Fintern (concat2 (build_string ("*-"), | |
859 | SYMBOL_NAME (f[XLFD_ENCODING_INDEX])), Qnil); | |
860 | } | |
861 | else | |
862 | { | |
863 | if (! NILP (f[XLFD_ENCODING_INDEX])) | |
864 | f[XLFD_REGISTRY_INDEX] | |
865 | = Fintern (concat2 (SYMBOL_NAME (f[XLFD_REGISTRY_INDEX]), | |
866 | SYMBOL_NAME (f[XLFD_ENCODING_INDEX])), Qnil); | |
c2f5bfd6 KH |
867 | } |
868 | } | |
c2f5bfd6 KH |
869 | |
870 | if (! merge || NILP (AREF (font, FONT_FOUNDRY_INDEX))) | |
4485a28e | 871 | ASET (font, FONT_FOUNDRY_INDEX, f[XLFD_FOUNDRY_INDEX]); |
c2f5bfd6 | 872 | if (! merge || NILP (AREF (font, FONT_FAMILY_INDEX))) |
4485a28e | 873 | ASET (font, FONT_FAMILY_INDEX, f[XLFD_FAMILY_INDEX]); |
c2f5bfd6 | 874 | if (! merge || NILP (AREF (font, FONT_ADSTYLE_INDEX))) |
4485a28e | 875 | ASET (font, FONT_ADSTYLE_INDEX, f[XLFD_ADSTYLE_INDEX]); |
c2f5bfd6 | 876 | if (! merge || NILP (AREF (font, FONT_REGISTRY_INDEX))) |
4485a28e | 877 | ASET (font, FONT_REGISTRY_INDEX, f[XLFD_REGISTRY_INDEX]); |
c2f5bfd6 KH |
878 | |
879 | for (i = FONT_WEIGHT_INDEX, j = XLFD_WEIGHT_INDEX; | |
880 | j <= XLFD_SWIDTH_INDEX; i++, j++) | |
881 | if (! merge || NILP (AREF (font, i))) | |
882 | { | |
4485a28e | 883 | if (! INTEGERP (f[j])) |
c2f5bfd6 | 884 | { |
4485a28e KH |
885 | val = prop_name_to_numeric (i, f[j]); |
886 | if (INTEGERP (val)) | |
887 | f[j] = val; | |
c2f5bfd6 | 888 | } |
4485a28e | 889 | ASET (font, i, f[j]); |
c2f5bfd6 KH |
890 | } |
891 | ||
c2f5bfd6 KH |
892 | if (pixel_size < 0 && FONT_ENTITY_P (font)) |
893 | return -1; | |
894 | ||
c2f5bfd6 KH |
895 | if (! merge || NILP (AREF (font, FONT_SIZE_INDEX))) |
896 | { | |
897 | if (pixel_size >= 0) | |
898 | ASET (font, FONT_SIZE_INDEX, make_number (pixel_size)); | |
4485a28e | 899 | else if (point_size >= 0) |
9331887d | 900 | ASET (font, FONT_SIZE_INDEX, make_float (point_size / 10)); |
c2f5bfd6 KH |
901 | } |
902 | ||
9331887d KH |
903 | if (FONT_ENTITY_P (font)) |
904 | { | |
905 | if (EQ (AREF (font, FONT_TYPE_INDEX), Qx)) | |
906 | ASET (font, FONT_EXTRA_INDEX, f[XLFD_RESY_INDEX]); | |
907 | } | |
908 | else if (resy >= 0) | |
909 | font_put_extra (font, QCdpi, make_number (resy), merge); | |
c2f5bfd6 | 910 | |
4485a28e | 911 | return (avgwidth > 0 ? 2 : resy == 0); |
c2f5bfd6 KH |
912 | } |
913 | ||
914 | /* Store XLFD name of FONT (font-spec or font-entity) in NAME (NBYTES | |
915 | length), and return the name length. If FONT_SIZE_INDEX of FONT is | |
916 | 0, use PIXEL_SIZE instead. */ | |
917 | ||
918 | int | |
919 | font_unparse_xlfd (font, pixel_size, name, nbytes) | |
920 | Lisp_Object font; | |
1bb1d99b | 921 | int pixel_size; |
c2f5bfd6 KH |
922 | char *name; |
923 | int nbytes; | |
924 | { | |
925 | char *f[XLFD_REGISTRY_INDEX + 1], *pixel_point; | |
926 | char work[256]; | |
927 | Lisp_Object val; | |
928 | int i, j, len = 0; | |
929 | ||
930 | xassert (FONTP (font)); | |
931 | ||
932 | for (i = FONT_FOUNDRY_INDEX, j = XLFD_FOUNDRY_INDEX; i <= FONT_REGISTRY_INDEX; | |
933 | i++, j++) | |
934 | { | |
935 | if (i == FONT_ADSTYLE_INDEX) | |
936 | j = XLFD_ADSTYLE_INDEX; | |
937 | else if (i == FONT_REGISTRY_INDEX) | |
938 | j = XLFD_REGISTRY_INDEX; | |
939 | val = AREF (font, i); | |
940 | if (NILP (val)) | |
1bb1d99b KH |
941 | { |
942 | if (j == XLFD_REGISTRY_INDEX) | |
943 | f[j] = "*-*", len += 4; | |
944 | else | |
945 | f[j] = "*", len += 2; | |
946 | } | |
c2f5bfd6 KH |
947 | else |
948 | { | |
949 | if (SYMBOLP (val)) | |
950 | val = SYMBOL_NAME (val); | |
1bb1d99b KH |
951 | if (j == XLFD_REGISTRY_INDEX |
952 | && ! strchr ((char *) SDATA (val), '-')) | |
953 | { | |
954 | /* Change "jisx0208*" and "jisx0208" to "jisx0208*-*". */ | |
955 | if (SDATA (val)[SBYTES (val) - 1] == '*') | |
956 | { | |
957 | f[j] = alloca (SBYTES (val) + 3); | |
958 | sprintf (f[j], "%s-*", SDATA (val)); | |
959 | len += SBYTES (val) + 3; | |
960 | } | |
961 | else | |
962 | { | |
963 | f[j] = alloca (SBYTES (val) + 4); | |
964 | sprintf (f[j], "%s*-*", SDATA (val)); | |
965 | len += SBYTES (val) + 4; | |
966 | } | |
967 | } | |
968 | else | |
969 | f[j] = (char *) SDATA (val), len += SBYTES (val) + 1; | |
c2f5bfd6 KH |
970 | } |
971 | } | |
972 | ||
973 | for (i = FONT_WEIGHT_INDEX, j = XLFD_WEIGHT_INDEX; i <= FONT_WIDTH_INDEX; | |
974 | i++, j++) | |
975 | { | |
976 | val = AREF (font, i); | |
977 | if (NILP (val)) | |
978 | f[j] = "*", len += 2; | |
979 | else | |
980 | { | |
981 | if (INTEGERP (val)) | |
982 | val = prop_numeric_to_name (i, XINT (val)); | |
983 | if (SYMBOLP (val)) | |
984 | val = SYMBOL_NAME (val); | |
985 | xassert (STRINGP (val)); | |
986 | f[j] = (char *) SDATA (val), len += SBYTES (val) + 1; | |
987 | } | |
988 | } | |
989 | ||
990 | val = AREF (font, FONT_SIZE_INDEX); | |
991 | xassert (NUMBERP (val) || NILP (val)); | |
992 | if (INTEGERP (val)) | |
993 | { | |
994 | i = XINT (val); | |
995 | if (i > 0) | |
9331887d | 996 | len += sprintf (work, "%d-*", i) + 1; |
c2f5bfd6 KH |
997 | else /* i == 0 */ |
998 | len += sprintf (work, "%d-*", pixel_size) + 1; | |
999 | pixel_point = work; | |
1000 | } | |
1001 | else if (FLOATP (val)) | |
1002 | { | |
1003 | i = XFLOAT_DATA (val) * 10; | |
1004 | len += sprintf (work, "*-%d", i) + 1; | |
1005 | pixel_point = work; | |
1006 | } | |
1007 | else | |
1008 | pixel_point = "*-*", len += 4; | |
1009 | ||
1010 | if (FONT_ENTITY_P (font) | |
1011 | && EQ (AREF (font, FONT_TYPE_INDEX), Qx)) | |
1012 | { | |
1013 | /* Setup names for RESY-SPACING-AVWIDTH. */ | |
1014 | val = AREF (font, FONT_EXTRA_INDEX); | |
1015 | if (SYMBOLP (val) && ! NILP (val)) | |
1016 | { | |
1017 | val = SYMBOL_NAME (val); | |
1018 | f[XLFD_RESY_INDEX] = (char *) SDATA (val), len += SBYTES (val) + 1; | |
1019 | } | |
1020 | else | |
1021 | f[XLFD_RESY_INDEX] = "*-*-*", len += 6; | |
1022 | } | |
1023 | else | |
1024 | f[XLFD_RESY_INDEX] = "*-*-*", len += 6; | |
1025 | ||
1026 | len += 3; /* for "-*" of resx, and terminating '\0'. */ | |
1027 | if (len >= nbytes) | |
1028 | return -1; | |
1029 | return sprintf (name, "-%s-%s-%s-%s-%s-%s-%s-*-%s-%s", | |
1030 | f[XLFD_FOUNDRY_INDEX], f[XLFD_FAMILY_INDEX], | |
1031 | f[XLFD_WEIGHT_INDEX], f[XLFD_SLANT_INDEX], | |
1032 | f[XLFD_SWIDTH_INDEX], | |
1033 | f[XLFD_ADSTYLE_INDEX], pixel_point, | |
1034 | f[XLFD_RESY_INDEX], f[XLFD_REGISTRY_INDEX]); | |
1035 | } | |
1036 | ||
ef18374f | 1037 | /* Parse NAME (null terminated) as Fonconfig's name format and store |
9331887d KH |
1038 | information in FONT (font-spec or font-entity). If NAME is |
1039 | successfully parsed, return 0. Otherwise return -1. */ | |
ef18374f KH |
1040 | |
1041 | int | |
1042 | font_parse_fcname (name, font, merge) | |
1043 | char *name; | |
1044 | Lisp_Object font; | |
1045 | int merge; | |
1046 | { | |
1047 | char *p0, *p1; | |
1048 | Lisp_Object family = Qnil; | |
1049 | double point_size = 0; | |
1050 | int pixel_size = 0; | |
1051 | Lisp_Object extra = AREF (font, FONT_EXTRA_INDEX); | |
9331887d KH |
1052 | int len = strlen (name); |
1053 | char *copy; | |
ef18374f KH |
1054 | |
1055 | /* It is assured that (name[0] && name[0] != '-'). */ | |
1056 | if (name[0] == ':') | |
1057 | p0 = name; | |
1058 | else | |
1059 | { | |
1060 | for (p0 = name + 1; *p0 && (*p0 != '-' && *p0 != ':'); p0++); | |
a9262bb8 KH |
1061 | if (isdigit (name[0]) && *p0 != '-') |
1062 | point_size = strtod (name, NULL); | |
1063 | else | |
ef18374f | 1064 | { |
a9262bb8 KH |
1065 | family = intern_font_field (name, p0 - name); |
1066 | if (*p0 == '-') | |
1067 | { | |
1068 | point_size = strtod (p0 + 1, &p1); | |
1069 | if (*p1 && *p1 != ':') | |
1070 | return -1; | |
1071 | p0 = p1; | |
1072 | } | |
ef18374f KH |
1073 | } |
1074 | if (! merge || NILP (AREF (font, FONT_FAMILY_INDEX))) | |
1075 | ASET (font, FONT_FAMILY_INDEX, family); | |
1076 | } | |
9331887d KH |
1077 | |
1078 | len -= p0 - name; | |
1079 | copy = alloca (len + 1); | |
1080 | if (! copy) | |
1081 | return -1; | |
1082 | name = copy; | |
1083 | ||
1084 | /* Now parse ":KEY=VAL" patterns. Store known keys and values in | |
1085 | extra, copy unknown ones to COPY. */ | |
ef18374f KH |
1086 | while (*p0) |
1087 | { | |
1088 | Lisp_Object key, val; | |
1089 | enum font_property_index prop; | |
1090 | ||
9331887d KH |
1091 | for (p1 = p0 + 1; islower (*p1); p1++); |
1092 | if (*p1 != '=') | |
ef18374f | 1093 | { |
9331887d KH |
1094 | /* Must be an enumerated value. */ |
1095 | val = intern_font_field (p0 + 1, p1 - p0 - 1); | |
1096 | ||
1097 | if (memcmp (p0 + 1, "light", 5) == 0 | |
1098 | || memcmp (p0 + 1, "medium", 6) == 0 | |
1099 | || memcmp (p0 + 1, "demibold", 8) == 0 | |
1100 | || memcmp (p0 + 1, "bold", 4) == 0 | |
1101 | || memcmp (p0 + 1, "black", 5) == 0) | |
1102 | { | |
1103 | if (! merge || NILP (AREF (font, FONT_WEIGHT_INDEX))) | |
1104 | ASET (font, FONT_WEIGHT_INDEX, | |
1105 | prop_name_to_numeric (FONT_WEIGHT_INDEX, val)); | |
1106 | } | |
1107 | else if (memcmp (p0 + 1, "roman", 5) == 0 | |
1108 | || memcmp (p0 + 1, "italic", 6) == 0 | |
1109 | || memcmp (p0 + 1, "oblique", 7) == 0) | |
1110 | { | |
1111 | if (! merge || NILP (AREF (font, FONT_SLANT_INDEX))) | |
1112 | ASET (font, FONT_SLANT_INDEX, | |
1113 | prop_name_to_numeric (FONT_SLANT_INDEX, val)); | |
1114 | } | |
1115 | else if (memcmp (p0 + 1, "charcell", 8) == 0 | |
1116 | || memcmp (p0 + 1, "mono", 4) == 0 | |
1117 | || memcmp (p0 + 1, "proportional", 12) == 0) | |
1118 | { | |
1119 | font_put_extra (font, QCspacing, | |
1120 | p0[1] == 'c' ? make_number (FONT_SPACING_CHARCELL) | |
1121 | : p0[1] == 'm' ? make_number (FONT_SPACING_MONO) | |
1122 | : make_number (FONT_SPACING_PROPORTIONAL), | |
1123 | merge); | |
1124 | } | |
1125 | else | |
1126 | { | |
1127 | /* unknown key */ | |
1128 | bcopy (p0, copy, p1 - p0); | |
1129 | copy += p1 - p0; | |
1130 | } | |
ef18374f KH |
1131 | } |
1132 | else | |
1133 | { | |
f522f828 KH |
1134 | char *pbeg = p0; |
1135 | ||
9331887d KH |
1136 | if (memcmp (p0 + 1, "pixelsize=", 10) == 0) |
1137 | prop = FONT_SIZE_INDEX; | |
1138 | else | |
1139 | { | |
1140 | key = intern_font_field (p0, p1 - p0); | |
1141 | prop = check_font_prop_name (key); | |
1142 | } | |
1143 | p0 = p1 + 1; | |
1144 | for (p1 = p0; *p1 && *p1 != ':'; p1++); | |
1145 | if (prop == FONT_SIZE_INDEX) | |
1146 | { | |
1147 | pixel_size = atoi (p0); | |
1148 | } | |
1149 | else if (prop < FONT_EXTRA_INDEX) | |
ef18374f KH |
1150 | { |
1151 | if (! merge || NILP (AREF (font, prop))) | |
1152 | { | |
9331887d KH |
1153 | val = intern_font_field (p0, p1 - p0); |
1154 | if (prop >= FONT_WEIGHT_INDEX && prop <= FONT_WIDTH_INDEX) | |
1155 | val = font_property_table[prop].validater (prop, val); | |
ef18374f KH |
1156 | if (! EQ (val, Qerror)) |
1157 | ASET (font, prop, val); | |
1158 | } | |
1159 | } | |
9331887d KH |
1160 | else if (EQ (key, QCdpi)) |
1161 | { | |
1162 | if (INTEGERP (val)) | |
1163 | font_put_extra (font, key, val, merge); | |
1164 | } | |
ef18374f KH |
1165 | else |
1166 | { | |
9331887d | 1167 | /* unknown key */ |
f522f828 KH |
1168 | bcopy (pbeg, copy, p1 - pbeg); |
1169 | copy += p1 - pbeg; | |
ef18374f KH |
1170 | } |
1171 | } | |
1172 | p0 = p1; | |
1173 | } | |
9331887d | 1174 | |
ef18374f KH |
1175 | if (! merge || NILP (AREF (font, FONT_SIZE_INDEX))) |
1176 | { | |
9331887d | 1177 | if (pixel_size > 0) |
ef18374f | 1178 | ASET (font, FONT_SIZE_INDEX, make_number (pixel_size)); |
9331887d KH |
1179 | else if (point_size > 0) |
1180 | ASET (font, FONT_SIZE_INDEX, make_float (point_size)); | |
ef18374f | 1181 | } |
9331887d KH |
1182 | if (name < copy) |
1183 | font_put_extra (font, QCname, make_unibyte_string (name, copy - name), | |
1184 | merge); | |
ef18374f | 1185 | |
9331887d | 1186 | return 0; |
ef18374f KH |
1187 | } |
1188 | ||
1189 | /* Store fontconfig's font name of FONT (font-spec or font-entity) in | |
1190 | NAME (NBYTES length), and return the name length. If | |
1191 | FONT_SIZE_INDEX of FONT is 0, use PIXEL_SIZE instead. */ | |
1192 | ||
1193 | int | |
1194 | font_unparse_fcname (font, pixel_size, name, nbytes) | |
1195 | Lisp_Object font; | |
1196 | int pixel_size; | |
1197 | char *name; | |
1198 | int nbytes; | |
1199 | { | |
1200 | Lisp_Object val, size; | |
1201 | int pt = 0; | |
1202 | int i, j, len = 1; | |
1203 | char *p; | |
a9262bb8 KH |
1204 | Lisp_Object styles[3]; |
1205 | char *style_names[3] = { "weight", "slant", "swidth" }; | |
ef18374f KH |
1206 | |
1207 | if (SYMBOLP (AREF (font, FONT_FAMILY_INDEX)) | |
1208 | && ! NILP (AREF (font, FONT_FAMILY_INDEX))) | |
1209 | len += SBYTES (SYMBOL_NAME (AREF (font, FONT_FAMILY_INDEX))); | |
1210 | size = AREF (font, FONT_SIZE_INDEX); | |
1211 | if (INTEGERP (size)) | |
1212 | { | |
1213 | if (XINT (size) > 0) | |
1214 | pixel_size = XINT (size); | |
1215 | if (pixel_size > 0) | |
1216 | len += 21; /* for ":pixelsize=NUM" */ | |
1217 | } | |
1218 | else if (FLOATP (size)) | |
1219 | { | |
1220 | pt = (int) XFLOAT_DATA (size); | |
1221 | if (pt > 0) | |
1222 | len += 11; /* for "-NUM" */ | |
1223 | } | |
1224 | if (SYMBOLP (AREF (font, FONT_FOUNDRY_INDEX)) | |
1225 | && ! NILP (AREF (font, FONT_FOUNDRY_INDEX))) | |
1226 | /* ":foundry=NAME" */ | |
1227 | len += 9 + SBYTES (SYMBOL_NAME (AREF (font, FONT_FOUNDRY_INDEX))); | |
a9262bb8 KH |
1228 | for (i = FONT_WEIGHT_INDEX; i <= FONT_WIDTH_INDEX; i++) |
1229 | { | |
1230 | val = AREF (font, i); | |
1231 | if (INTEGERP (val)) | |
1232 | { | |
1233 | val = prop_numeric_to_name (i, XINT (val)); | |
1234 | len += (strlen (style_names[i - FONT_WEIGHT_INDEX]) | |
1235 | + 2 + SBYTES (SYMBOL_NAME (val))); /* :xxx=NAME */ | |
1236 | } | |
1237 | styles[i - FONT_WEIGHT_INDEX] = val; | |
1238 | } | |
ef18374f KH |
1239 | if (len > nbytes) |
1240 | return -1; | |
1241 | p = name; | |
1242 | if (! NILP (AREF (font, FONT_FAMILY_INDEX))) | |
a9262bb8 KH |
1243 | p += sprintf(p, "%s", |
1244 | SDATA (SYMBOL_NAME (AREF (font, FONT_FAMILY_INDEX)))); | |
ef18374f KH |
1245 | if (pt > 0) |
1246 | p += sprintf (p, "-%d", pt); | |
1247 | else if (pixel_size > 0) | |
1248 | p += sprintf (p, ":pixelsize=%d", pixel_size); | |
a9262bb8 KH |
1249 | if (SYMBOLP (AREF (font, FONT_FOUNDRY_INDEX)) |
1250 | && ! NILP (AREF (font, FONT_FOUNDRY_INDEX))) | |
1251 | p += sprintf (p, ":foundry=%s", | |
1252 | SDATA (SYMBOL_NAME (AREF (font, FONT_FOUNDRY_INDEX)))); | |
1253 | for (i = 0; i < 3; i++) | |
1254 | if (! NILP (styles [i])) | |
1255 | p += sprintf (p, ":%s=%s", style_names[i], | |
1256 | SDATA (SYMBOL_NAME (styles [i]))); | |
ef18374f KH |
1257 | return (p - name); |
1258 | } | |
1259 | ||
1260 | /* Parse NAME (null terminated) and store information in FONT | |
1261 | (font-spec or font-entity). If NAME is successfully parsed, return | |
9331887d | 1262 | a non-negative value. Otherwise return -1. |
ef18374f KH |
1263 | |
1264 | If NAME is XLFD and FONT is a font-entity, store | |
1265 | RESY-SPACING-AVWIDTH information as a symbol in FONT_EXTRA_INDEX. | |
1266 | ||
1267 | If MERGE is nonzero, set a property of FONT only when it's nil. */ | |
1268 | ||
1269 | static int | |
1270 | font_parse_name (name, font, merge) | |
1271 | char *name; | |
1272 | Lisp_Object font; | |
1273 | int merge; | |
1274 | { | |
1275 | if (name[0] == '-' || index (name, '*')) | |
1276 | return font_parse_xlfd (name, font, merge); | |
1277 | if (name[0]) | |
1278 | return font_parse_fcname (name, font, merge); | |
1279 | return -1; | |
1280 | } | |
1281 | ||
c2f5bfd6 KH |
1282 | void |
1283 | font_merge_old_spec (name, family, registry, spec) | |
1284 | Lisp_Object name, family, registry, spec; | |
1285 | { | |
1286 | if (STRINGP (name)) | |
1287 | { | |
1288 | if (font_parse_xlfd ((char *) SDATA (name), spec, 1) < 0) | |
1289 | { | |
1290 | Lisp_Object extra = Fcons (Fcons (QCname, name), Qnil); | |
1291 | ||
1292 | ASET (spec, FONT_EXTRA_INDEX, extra); | |
1293 | } | |
1294 | } | |
1295 | else | |
1296 | { | |
1297 | if (! NILP (family)) | |
1298 | { | |
1299 | int len; | |
1300 | char *p0, *p1; | |
1301 | ||
1302 | xassert (STRINGP (family)); | |
1303 | len = SBYTES (family); | |
1304 | p0 = (char *) SDATA (family); | |
1305 | p1 = index (p0, '-'); | |
1306 | if (p1) | |
1307 | { | |
1308 | if (NILP (AREF (spec, FONT_FOUNDRY_INDEX))) | |
1309 | ASET (spec, FONT_FOUNDRY_INDEX, | |
1310 | intern_downcase (p0, p1 - p0)); | |
1311 | if (NILP (AREF (spec, FONT_FAMILY_INDEX))) | |
1312 | ASET (spec, FONT_FAMILY_INDEX, | |
1313 | intern_downcase (p1 + 1, len - (p1 + 1 - p0))); | |
1314 | } | |
1315 | else if (NILP (AREF (spec, FONT_FAMILY_INDEX))) | |
1316 | ASET (spec, FONT_FAMILY_INDEX, intern_downcase (p0, len)); | |
1317 | } | |
1318 | if (! NILP (registry) | |
1319 | && NILP (AREF (spec, FONT_REGISTRY_INDEX))) | |
1320 | ASET (spec, FONT_REGISTRY_INDEX, | |
1321 | intern_downcase ((char *) SDATA (registry), SBYTES (registry))); | |
1322 | } | |
1323 | } | |
1324 | ||
1325 | \f | |
1326 | /* OTF handler */ | |
1327 | ||
1328 | #ifdef HAVE_LIBOTF | |
1329 | #include <otf.h> | |
1330 | ||
1331 | struct otf_list | |
1332 | { | |
1333 | Lisp_Object entity; | |
1334 | OTF *otf; | |
1335 | struct otf_list *next; | |
1336 | }; | |
1337 | ||
1338 | static struct otf_list *otf_list; | |
1339 | ||
1340 | static Lisp_Object | |
1341 | otf_tag_symbol (tag) | |
1342 | OTF_Tag tag; | |
1343 | { | |
1344 | char name[5]; | |
1345 | ||
1346 | OTF_tag_name (tag, name); | |
1347 | return Fintern (make_unibyte_string (name, 4), Qnil); | |
1348 | } | |
1349 | ||
1350 | static OTF * | |
1351 | otf_open (entity, file) | |
1352 | Lisp_Object entity; | |
1353 | char *file; | |
1354 | { | |
1355 | struct otf_list *list = otf_list; | |
1356 | ||
1357 | while (list && ! EQ (list->entity, entity)) | |
1358 | list = list->next; | |
1359 | if (! list) | |
1360 | { | |
1361 | list = malloc (sizeof (struct otf_list)); | |
1362 | list->entity = entity; | |
1363 | list->otf = file ? OTF_open (file) : NULL; | |
1364 | list->next = otf_list; | |
1365 | otf_list = list; | |
1366 | } | |
1367 | return list->otf; | |
1368 | } | |
1369 | ||
1370 | ||
1371 | /* Return a list describing which scripts/languages FONT supports by | |
1372 | which GSUB/GPOS features of OpenType tables. See the comment of | |
1373 | (sturct font_driver).otf_capability. */ | |
1374 | ||
1375 | Lisp_Object | |
1376 | font_otf_capability (font) | |
1377 | struct font *font; | |
1378 | { | |
1379 | OTF *otf; | |
1380 | Lisp_Object capability = Fcons (Qnil, Qnil); | |
1381 | int i; | |
1382 | ||
1383 | otf = otf_open (font->entity, font->file_name); | |
1384 | if (! otf) | |
1385 | return Qnil; | |
1386 | for (i = 0; i < 2; i++) | |
1387 | { | |
1388 | OTF_GSUB_GPOS *gsub_gpos; | |
1389 | Lisp_Object script_list = Qnil; | |
1390 | int j; | |
1391 | ||
1392 | if (OTF_get_features (otf, i == 0) < 0) | |
1393 | continue; | |
1394 | gsub_gpos = i == 0 ? otf->gsub : otf->gpos; | |
1395 | for (j = gsub_gpos->ScriptList.ScriptCount - 1; j >= 0; j--) | |
1396 | { | |
1397 | OTF_Script *script = gsub_gpos->ScriptList.Script + j; | |
1398 | Lisp_Object langsys_list = Qnil; | |
1399 | Lisp_Object script_tag = otf_tag_symbol (script->ScriptTag); | |
1400 | int k; | |
1401 | ||
1402 | for (k = script->LangSysCount; k >= 0; k--) | |
1403 | { | |
1404 | OTF_LangSys *langsys; | |
1405 | Lisp_Object feature_list = Qnil; | |
1406 | Lisp_Object langsys_tag; | |
1407 | int l; | |
1408 | ||
1409 | if (j == script->LangSysCount) | |
1410 | { | |
1411 | langsys = &script->DefaultLangSys; | |
1412 | langsys_tag = Qnil; | |
1413 | } | |
1414 | else | |
1415 | { | |
1416 | langsys = script->LangSys + k; | |
1417 | langsys_tag | |
1418 | = otf_tag_symbol (script->LangSysRecord[k].LangSysTag); | |
1419 | } | |
1420 | for (l = langsys->FeatureCount -1; l >= 0; l--) | |
1421 | { | |
1422 | OTF_Feature *feature | |
1423 | = gsub_gpos->FeatureList.Feature + langsys->FeatureIndex[l]; | |
1424 | Lisp_Object feature_tag | |
1425 | = otf_tag_symbol (feature->FeatureTag); | |
1426 | ||
1427 | feature_list = Fcons (feature_tag, feature_list); | |
1428 | } | |
1429 | langsys_list = Fcons (Fcons (langsys_tag, feature_list), | |
1430 | langsys_list); | |
1431 | } | |
1432 | script_list = Fcons (Fcons (script_tag, langsys_list), | |
1433 | script_list); | |
1434 | } | |
1435 | ||
1436 | if (i == 0) | |
1437 | XSETCAR (capability, script_list); | |
1438 | else | |
1439 | XSETCDR (capability, script_list); | |
1440 | } | |
1441 | ||
1442 | return capability; | |
1443 | } | |
1444 | ||
1445 | static int | |
1446 | parse_gsub_gpos_spec (spec, script, langsys, features) | |
1447 | Lisp_Object spec; | |
1448 | char **script, **langsys, **features; | |
1449 | { | |
1450 | Lisp_Object val; | |
1451 | int len; | |
1452 | char *p; | |
1453 | int asterisk; | |
1454 | ||
1455 | val = XCAR (spec); | |
1456 | *script = (char *) SDATA (SYMBOL_NAME (val)); | |
1457 | spec = XCDR (spec); | |
1458 | val = XCAR (spec); | |
1459 | *langsys = NILP (val) ? NULL : (char *) SDATA (SYMBOL_NAME (val)); | |
1460 | spec = XCDR (spec); | |
1461 | len = XINT (Flength (spec)); | |
1462 | *features = p = malloc (6 * len); | |
1463 | if (! p) | |
1464 | return -1; | |
1465 | ||
1466 | for (asterisk = 0; CONSP (spec); spec = XCDR (spec)) | |
1467 | { | |
1468 | val = XCAR (spec); | |
1469 | if (SREF (SYMBOL_NAME (val), 0) == '*') | |
1470 | { | |
1471 | asterisk = 1; | |
1472 | p += sprintf (p, ",*"); | |
1473 | } | |
1474 | else if (! asterisk) | |
1475 | p += sprintf (p, ",%s", SDATA (SYMBOL_NAME (val))); | |
1476 | else | |
1477 | p += sprintf (p, ",~%s", SDATA (SYMBOL_NAME (val))); | |
1478 | } | |
1479 | return 0; | |
1480 | } | |
1481 | ||
1482 | #define DEVICE_DELTA(table, size) \ | |
1483 | (((size) >= (table).StartSize && (size) <= (table).EndSize) \ | |
1484 | ? (table).DeltaValue[(size) >= (table).StartSize] \ | |
1485 | : 0) | |
1486 | ||
1487 | void | |
1488 | adjust_anchor (struct font *font, OTF_Anchor *anchor, | |
1489 | unsigned code, int size, int *x, int *y) | |
1490 | { | |
1491 | if (anchor->AnchorFormat == 2) | |
1492 | { | |
1493 | int x0, y0; | |
1494 | ||
1495 | if (font->driver->anchor_point (font, code, anchor->f.f1.AnchorPoint, | |
1496 | &x0, &y0) >= 0) | |
1497 | *x = x0, *y = y0; | |
1498 | } | |
1499 | else if (anchor->AnchorFormat == 3) | |
1500 | { | |
1501 | if (anchor->f.f2.XDeviceTable.offset) | |
1502 | *x += DEVICE_DELTA (anchor->f.f2.XDeviceTable, size); | |
1503 | if (anchor->f.f2.YDeviceTable.offset) | |
1504 | *y += DEVICE_DELTA (anchor->f.f2.YDeviceTable, size); | |
1505 | } | |
1506 | } | |
1507 | ||
1508 | ||
1509 | /* Drive FONT's OTF GSUB features according to GSUB_SPEC. See the | |
1510 | comment of (sturct font_driver).otf_gsub. */ | |
1511 | ||
1512 | int | |
1513 | font_otf_gsub (font, gsub_spec, gstring_in, from, to, gstring_out, idx) | |
1514 | struct font *font; | |
1515 | Lisp_Object gsub_spec; | |
1516 | Lisp_Object gstring_in; | |
1517 | int from, to; | |
1518 | Lisp_Object gstring_out; | |
1519 | int idx; | |
1520 | { | |
1521 | int len; | |
1522 | int i; | |
1523 | OTF *otf; | |
1524 | OTF_GlyphString otf_gstring; | |
1525 | OTF_Glyph *g; | |
1526 | char *script, *langsys, *features; | |
1527 | ||
1528 | otf = otf_open (font->entity, font->file_name); | |
1529 | if (! otf) | |
1530 | return 0; | |
1531 | if (OTF_get_table (otf, "head") < 0) | |
1532 | return 0; | |
1533 | if (OTF_check_table (otf, "GSUB") < 0) | |
1534 | return 0; | |
1535 | if (parse_gsub_gpos_spec (gsub_spec, &script, &langsys, &features) < 0) | |
1536 | return 0; | |
1537 | len = to - from; | |
1538 | otf_gstring.size = otf_gstring.used = len; | |
1539 | otf_gstring.glyphs = (OTF_Glyph *) malloc (sizeof (OTF_Glyph) * len); | |
1540 | memset (otf_gstring.glyphs, 0, sizeof (OTF_Glyph) * len); | |
1541 | for (i = 0; i < len; i++) | |
1542 | { | |
1543 | Lisp_Object g = LGSTRING_GLYPH (gstring_in, from + i); | |
1544 | ||
1545 | otf_gstring.glyphs[i].c = XINT (LGLYPH_CHAR (g)); | |
1546 | otf_gstring.glyphs[i].glyph_id = XINT (LGLYPH_CODE (g)); | |
1547 | } | |
1548 | ||
1549 | OTF_drive_gdef (otf, &otf_gstring); | |
1550 | if (OTF_drive_gsub (otf, &otf_gstring, script, langsys, features) < 0) | |
1551 | { | |
1552 | free (otf_gstring.glyphs); | |
1553 | return 0; | |
1554 | } | |
1555 | if (ASIZE (gstring_out) < idx + otf_gstring.used) | |
1556 | { | |
1557 | free (otf_gstring.glyphs); | |
1558 | return -1; | |
1559 | } | |
1560 | ||
1561 | for (i = 0, g = otf_gstring.glyphs; i < otf_gstring.used;) | |
1562 | { | |
1563 | int i0 = g->f.index.from, i1 = g->f.index.to; | |
1564 | Lisp_Object glyph = LGSTRING_GLYPH (gstring_in, from + i0); | |
1565 | Lisp_Object min_idx = AREF (glyph, 0); | |
1566 | Lisp_Object max_idx = AREF (glyph, 1); | |
1567 | ||
1568 | if (i0 < i1) | |
1569 | { | |
1570 | int min_idx_i = XINT (min_idx), max_idx_i = XINT (max_idx); | |
1571 | ||
1572 | for (i0++; i0 <= i1; i0++) | |
1573 | { | |
1574 | glyph = LGSTRING_GLYPH (gstring_in, from + i0); | |
1575 | if (min_idx_i > XINT (AREF (glyph, 0))) | |
1576 | min_idx_i = XINT (AREF (glyph, 0)); | |
1577 | if (max_idx_i < XINT (AREF (glyph, 1))) | |
1578 | max_idx_i = XINT (AREF (glyph, 1)); | |
1579 | } | |
1580 | min_idx = make_number (min_idx_i); | |
1581 | max_idx = make_number (max_idx_i); | |
1582 | i0 = g->f.index.from; | |
1583 | } | |
1584 | for (; i < otf_gstring.used && g->f.index.from == i0; i++, g++) | |
1585 | { | |
1586 | glyph = LGSTRING_GLYPH (gstring_out, idx + i); | |
1587 | ASET (glyph, 0, min_idx); | |
1588 | ASET (glyph, 1, max_idx); | |
1589 | LGLYPH_SET_CHAR (glyph, make_number (g->c)); | |
1590 | LGLYPH_SET_CODE (glyph, make_number (g->glyph_id)); | |
1591 | } | |
1592 | } | |
1593 | ||
1594 | free (otf_gstring.glyphs); | |
1595 | return i; | |
1596 | } | |
1597 | ||
1598 | /* Drive FONT's OTF GPOS features according to GPOS_SPEC. See the | |
1599 | comment of (sturct font_driver).otf_gpos. */ | |
1600 | ||
1601 | int | |
1602 | font_otf_gpos (font, gpos_spec, gstring, from, to) | |
1603 | struct font *font; | |
1604 | Lisp_Object gpos_spec; | |
1605 | Lisp_Object gstring; | |
1606 | int from, to; | |
1607 | { | |
1608 | int len; | |
1609 | int i; | |
1610 | OTF *otf; | |
1611 | OTF_GlyphString otf_gstring; | |
1612 | OTF_Glyph *g; | |
1613 | char *script, *langsys, *features; | |
1614 | Lisp_Object glyph; | |
1615 | int u, size; | |
1616 | Lisp_Object base, mark; | |
1617 | ||
1618 | otf = otf_open (font->entity, font->file_name); | |
1619 | if (! otf) | |
1620 | return 0; | |
1621 | if (OTF_get_table (otf, "head") < 0) | |
1622 | return 0; | |
1623 | if (OTF_check_table (otf, "GPOS") < 0) | |
1624 | return 0; | |
1625 | if (parse_gsub_gpos_spec (gpos_spec, &script, &langsys, &features) < 0) | |
1626 | return 0; | |
1627 | len = to - from; | |
1628 | otf_gstring.size = otf_gstring.used = len; | |
1629 | otf_gstring.glyphs = (OTF_Glyph *) malloc (sizeof (OTF_Glyph) * len); | |
1630 | memset (otf_gstring.glyphs, 0, sizeof (OTF_Glyph) * len); | |
1631 | for (i = 0; i < len; i++) | |
1632 | { | |
1633 | glyph = LGSTRING_GLYPH (gstring, from + i); | |
1634 | otf_gstring.glyphs[i].glyph_id = XINT (LGLYPH_CODE (glyph)); | |
1635 | } | |
1636 | ||
1637 | OTF_drive_gdef (otf, &otf_gstring); | |
1638 | ||
1639 | if (OTF_drive_gpos (otf, &otf_gstring, script, langsys, features) < 0) | |
1640 | { | |
1641 | free (otf_gstring.glyphs); | |
1642 | return 0; | |
1643 | } | |
1644 | ||
1645 | u = otf->head->unitsPerEm; | |
1646 | size = font->pixel_size; | |
1647 | base = mark = Qnil; | |
1648 | for (i = 0, g = otf_gstring.glyphs; i < otf_gstring.used; i++, g++) | |
1649 | { | |
1650 | Lisp_Object prev; | |
1651 | int xoff = 0, yoff = 0, width_adjust = 0; | |
1652 | ||
1653 | if (! g->glyph_id) | |
1654 | continue; | |
1655 | ||
1656 | glyph = LGSTRING_GLYPH (gstring, from + i); | |
1657 | switch (g->positioning_type) | |
1658 | { | |
1659 | case 0: | |
1660 | break; | |
1661 | case 1: case 2: | |
1662 | { | |
1663 | int format = g->f.f1.format; | |
1664 | ||
1665 | if (format & OTF_XPlacement) | |
1666 | xoff = g->f.f1.value->XPlacement * size / u; | |
1667 | if (format & OTF_XPlaDevice) | |
1668 | xoff += DEVICE_DELTA (g->f.f1.value->XPlaDevice, size); | |
1669 | if (format & OTF_YPlacement) | |
1670 | yoff = - (g->f.f1.value->YPlacement * size / u); | |
1671 | if (format & OTF_YPlaDevice) | |
1672 | yoff -= DEVICE_DELTA (g->f.f1.value->YPlaDevice, size); | |
1673 | if (format & OTF_XAdvance) | |
1674 | width_adjust += g->f.f1.value->XAdvance * size / u; | |
1675 | if (format & OTF_XAdvDevice) | |
1676 | width_adjust += DEVICE_DELTA (g->f.f1.value->XAdvDevice, size); | |
1677 | } | |
1678 | break; | |
1679 | case 3: | |
1680 | /* Not yet supported. */ | |
1681 | break; | |
1682 | case 4: case 5: | |
1683 | if (NILP (base)) | |
1684 | break; | |
1685 | prev = base; | |
1686 | goto label_adjust_anchor; | |
1687 | default: /* i.e. case 6 */ | |
1688 | if (NILP (mark)) | |
1689 | break; | |
1690 | prev = mark; | |
1691 | ||
1692 | label_adjust_anchor: | |
1693 | { | |
1694 | int base_x, base_y, mark_x, mark_y, width; | |
1695 | unsigned code; | |
1696 | ||
1697 | base_x = g->f.f4.base_anchor->XCoordinate * size / u; | |
1698 | base_y = g->f.f4.base_anchor->YCoordinate * size / u; | |
1699 | mark_x = g->f.f4.mark_anchor->XCoordinate * size / u; | |
1700 | mark_y = g->f.f4.mark_anchor->YCoordinate * size / u; | |
1701 | ||
1702 | code = XINT (LGLYPH_CODE (prev)); | |
1703 | if (g->f.f4.base_anchor->AnchorFormat != 1) | |
1704 | adjust_anchor (font, g->f.f4.base_anchor, | |
1705 | code, size, &base_x, &base_y); | |
1706 | if (g->f.f4.mark_anchor->AnchorFormat != 1) | |
1707 | adjust_anchor (font, g->f.f4.mark_anchor, | |
1708 | code, size, &mark_x, &mark_y); | |
1709 | ||
1710 | if (NILP (LGLYPH_WIDTH (prev))) | |
1711 | { | |
1712 | width = font->driver->text_extents (font, &code, 1, NULL); | |
1713 | LGLYPH_SET_WIDTH (prev, make_number (width)); | |
1714 | } | |
1715 | xoff = XINT (LGLYPH_XOFF (prev)) + (base_x - width) - mark_x; | |
1716 | yoff = XINT (LGLYPH_YOFF (prev)) + mark_y - base_y; | |
1717 | } | |
1718 | } | |
1719 | if (g->GlyphClass == OTF_GlyphClass0) | |
1720 | base = mark = glyph; | |
1721 | else if (g->GlyphClass == OTF_GlyphClassMark) | |
1722 | mark = glyph; | |
1723 | else | |
1724 | base = glyph; | |
1725 | ||
1726 | LGLYPH_SET_XOFF (glyph, make_number (xoff)); | |
1727 | LGLYPH_SET_YOFF (glyph, make_number (yoff)); | |
1728 | LGLYPH_SET_WADJUST (glyph, make_number (width_adjust)); | |
1729 | } | |
1730 | ||
1731 | free (otf_gstring.glyphs); | |
1732 | return 0; | |
1733 | } | |
1734 | ||
1735 | #endif /* HAVE_LIBOTF */ | |
1736 | ||
1737 | \f | |
1738 | /* glyph-string handler */ | |
1739 | ||
1740 | /* GSTRING is a vector of this form: | |
1741 | [ [FONT-OBJECT LBEARING RBEARING WITH ASCENT DESCENT] GLYPH ... ] | |
1742 | and GLYPH is a vector of this form: | |
1743 | [ FROM-IDX TO-IDX C CODE X-OFF Y-OFF WIDTH WADJUST ] | |
1744 | where | |
1745 | FROM-IDX and TO-IDX are used internally and should not be touched. | |
1746 | C is a character of the glyph. | |
1747 | CODE is a glyph-code of C in FONT-OBJECT. | |
1748 | X-OFF and Y-OFF are offests to the base position for the glyph. | |
1749 | WIDTH is a normal width of the glyph. | |
1750 | WADJUST is an adjustment to the normal width of the glyph. */ | |
1751 | ||
1752 | struct font * | |
1753 | font_prepare_composition (cmp) | |
1754 | struct composition *cmp; | |
1755 | { | |
1756 | Lisp_Object gstring | |
1757 | = AREF (XHASH_TABLE (composition_hash_table)->key_and_value, | |
1758 | cmp->hash_index * 2); | |
1759 | struct font *font = XSAVE_VALUE (LGSTRING_FONT (gstring))->pointer; | |
1760 | int len = LGSTRING_LENGTH (gstring); | |
1761 | int i; | |
1762 | ||
1763 | cmp->font = font; | |
1764 | cmp->lbearing = cmp->rbearing = cmp->pixel_width = 0; | |
1765 | cmp->ascent = font->ascent; | |
1766 | cmp->descent = font->descent; | |
1767 | ||
1768 | for (i = 0; i < len; i++) | |
1769 | { | |
1770 | Lisp_Object g = LGSTRING_GLYPH (gstring, i); | |
1771 | unsigned code = XINT (LGLYPH_CODE (g)); | |
1772 | struct font_metrics metrics; | |
1773 | ||
1774 | font->driver->text_extents (font, &code, 1, &metrics); | |
1775 | LGLYPH_SET_WIDTH (g, make_number (metrics.width)); | |
1776 | metrics.lbearing += XINT (LGLYPH_XOFF (g)); | |
1777 | metrics.rbearing += XINT (LGLYPH_XOFF (g)); | |
1778 | metrics.ascent += XINT (LGLYPH_YOFF (g)); | |
1779 | metrics.descent += XINT (LGLYPH_YOFF (g)); | |
1780 | ||
1781 | if (cmp->lbearing > cmp->pixel_width + metrics.lbearing) | |
1782 | cmp->lbearing = cmp->pixel_width + metrics.lbearing; | |
1783 | if (cmp->rbearing < cmp->pixel_width + metrics.rbearing) | |
1784 | cmp->rbearing = cmp->pixel_width + metrics.rbearing; | |
1785 | if (cmp->ascent < metrics.ascent) | |
1786 | cmp->ascent = metrics.ascent; | |
1787 | if (cmp->descent < metrics.descent) | |
1788 | cmp->descent = metrics.descent; | |
1789 | cmp->pixel_width += metrics.width + XINT (LGLYPH_WADJUST (g)); | |
1790 | } | |
1791 | LGSTRING_SET_LBEARING (gstring, make_number (cmp->lbearing)); | |
1792 | LGSTRING_SET_RBEARING (gstring, make_number (cmp->rbearing)); | |
1793 | LGSTRING_SET_WIDTH (gstring, make_number (cmp->pixel_width)); | |
1794 | LGSTRING_SET_ASCENT (gstring, make_number (cmp->ascent)); | |
1795 | LGSTRING_SET_DESCENT (gstring, make_number (cmp->descent)); | |
1796 | ||
1797 | return font; | |
1798 | } | |
1799 | ||
1800 | int | |
1801 | font_gstring_produce (old, from, to, new, idx, code, n) | |
1802 | Lisp_Object old; | |
1803 | int from, to; | |
1804 | Lisp_Object new; | |
1805 | int idx; | |
1806 | unsigned *code; | |
1807 | int n; | |
1808 | { | |
1809 | Lisp_Object min_idx, max_idx; | |
1810 | int i; | |
1811 | ||
1812 | if (idx + n > ASIZE (new)) | |
1813 | return -1; | |
1814 | if (from == to) | |
1815 | { | |
1816 | if (from == 0) | |
1817 | { | |
1818 | min_idx = make_number (0); | |
1819 | max_idx = make_number (1); | |
1820 | } | |
1821 | else | |
1822 | { | |
1823 | min_idx = AREF (AREF (old, from - 1), 0); | |
1824 | max_idx = AREF (AREF (old, from - 1), 1); | |
1825 | } | |
1826 | } | |
1827 | else if (from + 1 == to) | |
1828 | { | |
1829 | min_idx = AREF (AREF (old, from), 0); | |
1830 | max_idx = AREF (AREF (old, from), 1); | |
1831 | } | |
1832 | else | |
1833 | { | |
1834 | int min_idx_i = XINT (AREF (AREF (old, from), 0)); | |
1835 | int max_idx_i = XINT (AREF (AREF (old, from), 1)); | |
1836 | ||
1837 | for (i = from + 1; i < to; i++) | |
1838 | { | |
1839 | if (min_idx_i > XINT (AREF (AREF (old, i), 0))) | |
1840 | min_idx_i = XINT (AREF (AREF (old, i), 0)); | |
1841 | if (max_idx_i < XINT (AREF (AREF (old, i), 1))) | |
1842 | max_idx_i = XINT (AREF (AREF (old, i), 1)); | |
1843 | } | |
1844 | min_idx = make_number (min_idx_i); | |
1845 | max_idx = make_number (max_idx_i); | |
1846 | } | |
1847 | ||
1848 | for (i = 0; i < n; i++) | |
1849 | { | |
1850 | ASET (AREF (new, idx + i), 0, min_idx); | |
1851 | ASET (AREF (new, idx + i), 1, max_idx); | |
1852 | ASET (AREF (new, idx + i), 2, make_number (code[i])); | |
1853 | } | |
1854 | ||
1855 | return 0; | |
1856 | } | |
1857 | \f | |
1858 | /* Font sorting */ | |
1859 | ||
9331887d | 1860 | static unsigned font_score P_ ((Lisp_Object, Lisp_Object *)); |
c2f5bfd6 KH |
1861 | static int font_compare P_ ((const void *, const void *)); |
1862 | static Lisp_Object font_sort_entites P_ ((Lisp_Object, Lisp_Object, | |
1863 | Lisp_Object, Lisp_Object)); | |
1864 | ||
1865 | /* We sort fonts by scoring each of them against a specified | |
1866 | font-spec. The score value is 32 bit (`unsigned'), and the smaller | |
1867 | the value is, the closer the font is to the font-spec. | |
1868 | ||
1869 | Each 1-bit in the highest 4 bits of the score is used for atomic | |
1870 | properties FOUNDRY, FAMILY, ADSTYLE, and REGISTRY. | |
1871 | ||
1872 | Each 7-bit in the lowest 28 bits are used for numeric properties | |
1873 | WEIGHT, SLANT, WIDTH, and SIZE. */ | |
1874 | ||
1875 | /* How many bits to shift to store the difference value of each font | |
1876 | property in a score. */ | |
1877 | static int sort_shift_bits[FONT_SIZE_INDEX + 1]; | |
1878 | ||
9331887d KH |
1879 | /* Score font-entity ENTITY against properties of font-spec SPEC_PROP. |
1880 | The return value indicates how different ENTITY is compared with | |
1881 | SPEC_PROP. */ | |
c2f5bfd6 KH |
1882 | |
1883 | static unsigned | |
9331887d KH |
1884 | font_score (entity, spec_prop) |
1885 | Lisp_Object entity, *spec_prop; | |
c2f5bfd6 KH |
1886 | { |
1887 | unsigned score = 0; | |
1888 | int i; | |
9331887d | 1889 | /* Score four atomic fields. Maximum difference is 1. */ |
c2f5bfd6 | 1890 | for (i = FONT_FOUNDRY_INDEX; i <= FONT_REGISTRY_INDEX; i++) |
9331887d KH |
1891 | if (! NILP (spec_prop[i]) |
1892 | && ! EQ (spec_prop[i], AREF (entity, i))) | |
1893 | score |= 1 << sort_shift_bits[i]; | |
c2f5bfd6 | 1894 | |
9331887d | 1895 | /* Score four numeric fields. Maximum difference is 127. */ |
c2f5bfd6 KH |
1896 | for (i = FONT_WEIGHT_INDEX; i <= FONT_SIZE_INDEX; i++) |
1897 | { | |
c2f5bfd6 KH |
1898 | Lisp_Object entity_val = AREF (entity, i); |
1899 | ||
9331887d | 1900 | if (! NILP (spec_prop[i]) && ! EQ (spec_prop[i], entity_val)) |
c2f5bfd6 KH |
1901 | { |
1902 | if (! INTEGERP (entity_val)) | |
1903 | score |= 127 << sort_shift_bits[i]; | |
9331887d | 1904 | else |
c2f5bfd6 | 1905 | { |
9331887d | 1906 | int diff = XINT (entity_val) - XINT (spec_prop[i]); |
c2f5bfd6 KH |
1907 | |
1908 | if (diff < 0) | |
1909 | diff = - diff; | |
9331887d KH |
1910 | if (i == FONT_SIZE_INDEX) |
1911 | { | |
1912 | if (XINT (entity_val) > 0 | |
1913 | && diff > FONT_PIXEL_SIZE_QUANTUM) | |
1914 | score |= min (diff, 127) << sort_shift_bits[i]; | |
1915 | } | |
1916 | else | |
1917 | score |= min (diff, 127) << sort_shift_bits[i]; | |
c2f5bfd6 KH |
1918 | } |
1919 | } | |
1920 | } | |
1921 | ||
1922 | return score; | |
1923 | } | |
1924 | ||
1925 | ||
1926 | /* The comparison function for qsort. */ | |
1927 | ||
1928 | static int | |
1929 | font_compare (d1, d2) | |
1930 | const void *d1, *d2; | |
1931 | { | |
1932 | return (*(unsigned *) d1 < *(unsigned *) d2 | |
1933 | ? -1 : *(unsigned *) d1 > *(unsigned *) d2); | |
1934 | } | |
1935 | ||
1936 | ||
1937 | /* The structure for elements being sorted by qsort. */ | |
1938 | struct font_sort_data | |
1939 | { | |
1940 | unsigned score; | |
1941 | Lisp_Object entity; | |
1942 | }; | |
1943 | ||
1944 | ||
1945 | /* Sort font-entities in vector VEC by closeness to font-spec PREFER. | |
1946 | If PREFER specifies a point-size, calculate the corresponding | |
9331887d KH |
1947 | pixel-size from QCdpi property of PREFER or from the Y-resolution |
1948 | of FRAME before sorting. If SPEC is not nil, it is a font-spec to | |
1949 | get the font-entities in VEC. */ | |
c2f5bfd6 KH |
1950 | |
1951 | static Lisp_Object | |
1952 | font_sort_entites (vec, prefer, frame, spec) | |
1953 | Lisp_Object vec, prefer, frame, spec; | |
1954 | { | |
9331887d | 1955 | Lisp_Object prefer_prop[FONT_SPEC_MAX]; |
c2f5bfd6 KH |
1956 | int len, i; |
1957 | struct font_sort_data *data; | |
c2f5bfd6 KH |
1958 | USE_SAFE_ALLOCA; |
1959 | ||
1960 | len = ASIZE (vec); | |
1961 | if (len <= 1) | |
1962 | return vec; | |
1963 | ||
9331887d KH |
1964 | for (i = FONT_FOUNDRY_INDEX; i <= FONT_SIZE_INDEX; i++) |
1965 | prefer_prop[i] = AREF (prefer, i); | |
c2f5bfd6 KH |
1966 | |
1967 | if (! NILP (spec)) | |
1968 | { | |
1969 | /* As it is assured that all fonts in VEC match with SPEC, we | |
1970 | should ignore properties specified in SPEC. So, set the | |
9331887d | 1971 | corresponding properties in PREFER_PROP to nil. */ |
c2f5bfd6 | 1972 | for (i = FONT_WEIGHT_INDEX; i <= FONT_SIZE_INDEX; i++) |
9331887d KH |
1973 | if (! NILP (AREF (spec, i))) |
1974 | prefer_prop[i++] = Qnil; | |
c2f5bfd6 KH |
1975 | } |
1976 | ||
9331887d KH |
1977 | if (FLOATP (prefer_prop[FONT_SIZE_INDEX])) |
1978 | prefer_prop[FONT_SIZE_INDEX] | |
1979 | = make_number (font_pixel_size (XFRAME (frame), prefer)); | |
1980 | ||
c2f5bfd6 KH |
1981 | /* Scoring and sorting. */ |
1982 | SAFE_ALLOCA (data, struct font_sort_data *, (sizeof *data) * len); | |
1983 | for (i = 0; i < len; i++) | |
1984 | { | |
1985 | data[i].entity = AREF (vec, i); | |
9331887d | 1986 | data[i].score = font_score (data[i].entity, prefer_prop); |
c2f5bfd6 KH |
1987 | } |
1988 | qsort (data, len, sizeof *data, font_compare); | |
1989 | for (i = 0; i < len; i++) | |
1990 | ASET (vec, i, data[i].entity); | |
1991 | SAFE_FREE (); | |
1992 | ||
1993 | return vec; | |
1994 | } | |
1995 | ||
1996 | \f | |
1997 | /* API of Font Service Layer. */ | |
1998 | ||
1999 | void | |
2000 | font_update_sort_order (order) | |
2001 | int *order; | |
2002 | { | |
2003 | int i, shift_bits = 21; | |
2004 | ||
2005 | for (i = 0; i < 4; i++, shift_bits -= 7) | |
2006 | { | |
2007 | int xlfd_idx = order[i]; | |
2008 | ||
2009 | if (xlfd_idx == XLFD_WEIGHT_INDEX) | |
2010 | sort_shift_bits[FONT_WEIGHT_INDEX] = shift_bits; | |
2011 | else if (xlfd_idx == XLFD_SLANT_INDEX) | |
2012 | sort_shift_bits[FONT_SLANT_INDEX] = shift_bits; | |
2013 | else if (xlfd_idx == XLFD_SWIDTH_INDEX) | |
2014 | sort_shift_bits[FONT_WIDTH_INDEX] = shift_bits; | |
2015 | else | |
2016 | sort_shift_bits[FONT_SIZE_INDEX] = shift_bits; | |
2017 | } | |
2018 | } | |
2019 | ||
2020 | Lisp_Object | |
2021 | font_symbolic_weight (font) | |
2022 | Lisp_Object font; | |
2023 | { | |
2024 | Lisp_Object weight = AREF (font, FONT_WEIGHT_INDEX); | |
2025 | ||
2026 | if (INTEGERP (weight)) | |
2027 | weight = prop_numeric_to_name (FONT_WEIGHT_INDEX, XINT (weight)); | |
2028 | return weight; | |
2029 | } | |
2030 | ||
2031 | Lisp_Object | |
2032 | font_symbolic_slant (font) | |
2033 | Lisp_Object font; | |
2034 | { | |
2035 | Lisp_Object slant = AREF (font, FONT_SLANT_INDEX); | |
2036 | ||
2037 | if (INTEGERP (slant)) | |
2038 | slant = prop_numeric_to_name (FONT_SLANT_INDEX, XINT (slant)); | |
2039 | return slant; | |
2040 | } | |
2041 | ||
2042 | Lisp_Object | |
2043 | font_symbolic_width (font) | |
2044 | Lisp_Object font; | |
2045 | { | |
2046 | Lisp_Object width = AREF (font, FONT_WIDTH_INDEX); | |
2047 | ||
2048 | if (INTEGERP (width)) | |
2049 | width = prop_numeric_to_name (FONT_WIDTH_INDEX, XINT (width)); | |
2050 | return width; | |
2051 | } | |
2052 | ||
ef18374f KH |
2053 | int |
2054 | font_match_p (spec, entity) | |
2055 | Lisp_Object spec, entity; | |
2056 | { | |
2057 | int i; | |
2058 | ||
2059 | for (i = FONT_FOUNDRY_INDEX; i < FONT_SIZE_INDEX; i++) | |
2060 | if (! NILP (AREF (spec, i)) | |
2061 | && ! EQ (AREF (spec, i), AREF (entity, i))) | |
2062 | return 0; | |
2063 | if (INTEGERP (AREF (spec, FONT_SIZE_INDEX)) | |
2064 | && XINT (AREF (entity, FONT_SIZE_INDEX)) > 0 | |
2065 | && (XINT (AREF (spec, FONT_SIZE_INDEX)) | |
2066 | != XINT (AREF (entity, FONT_SIZE_INDEX)))) | |
2067 | return 0; | |
2068 | return 1; | |
2069 | } | |
2070 | ||
c2f5bfd6 KH |
2071 | Lisp_Object |
2072 | font_find_object (font) | |
2073 | struct font *font; | |
2074 | { | |
2075 | Lisp_Object tail, elt; | |
2076 | ||
2077 | for (tail = AREF (font->entity, FONT_OBJLIST_INDEX); CONSP (tail); | |
2078 | tail = XCDR (tail)) | |
2079 | { | |
2080 | elt = XCAR (tail); | |
2081 | if (font == XSAVE_VALUE (elt)->pointer | |
2082 | && XSAVE_VALUE (elt)->integer > 0) | |
2083 | return elt; | |
2084 | } | |
2085 | abort (); | |
2086 | return Qnil; | |
2087 | } | |
2088 | ||
2089 | static Lisp_Object scratch_font_spec, scratch_font_prefer; | |
2090 | ||
2091 | /* Return a vector of font-entities matching with SPEC on frame F. */ | |
2092 | ||
2093 | static Lisp_Object | |
2094 | font_list_entities (frame, spec) | |
2095 | Lisp_Object frame, spec; | |
2096 | { | |
2097 | FRAME_PTR f = XFRAME (frame); | |
2098 | struct font_driver_list *driver_list = f->font_driver_list; | |
a9262bb8 | 2099 | Lisp_Object ftype, family, size, alternate_familes; |
c2f5bfd6 KH |
2100 | Lisp_Object *vec = alloca (sizeof (Lisp_Object) * num_font_drivers); |
2101 | int i; | |
2102 | ||
2103 | if (! vec) | |
2104 | return null_vector; | |
2105 | ||
2106 | family = AREF (spec, FONT_FAMILY_INDEX); | |
2107 | if (NILP (family)) | |
2108 | alternate_familes = Qnil; | |
2109 | else | |
2110 | { | |
2111 | if (NILP (font_family_alist) | |
2112 | && !NILP (Vface_alternative_font_family_alist)) | |
2113 | build_font_family_alist (); | |
2114 | alternate_familes = assq_no_quit (family, font_family_alist); | |
2115 | if (! NILP (alternate_familes)) | |
2116 | alternate_familes = XCDR (alternate_familes); | |
2117 | } | |
a9262bb8 KH |
2118 | size = AREF (spec, FONT_SIZE_INDEX); |
2119 | if (FLOATP (size)) | |
9331887d | 2120 | ASET (spec, FONT_SIZE_INDEX, make_number (font_pixel_size (f, spec))); |
a9262bb8 | 2121 | |
c2f5bfd6 KH |
2122 | xassert (ASIZE (spec) == FONT_SPEC_MAX); |
2123 | ftype = AREF (spec, FONT_TYPE_INDEX); | |
2124 | ||
2125 | for (i = 0; driver_list; driver_list = driver_list->next) | |
2126 | if (NILP (ftype) || EQ (driver_list->driver->type, ftype)) | |
2127 | { | |
2128 | Lisp_Object cache = driver_list->driver->get_cache (frame); | |
2129 | Lisp_Object tail = alternate_familes; | |
2130 | Lisp_Object val; | |
2131 | ||
2132 | xassert (CONSP (cache)); | |
2133 | ASET (spec, FONT_TYPE_INDEX, driver_list->driver->type); | |
2134 | ASET (spec, FONT_FAMILY_INDEX, family); | |
2135 | ||
2136 | while (1) | |
2137 | { | |
2138 | val = assoc_no_quit (spec, XCDR (cache)); | |
2139 | if (CONSP (val)) | |
2140 | val = XCDR (val); | |
2141 | else | |
2142 | { | |
2143 | val = driver_list->driver->list (frame, spec); | |
2144 | if (VECTORP (val)) | |
2145 | XSETCDR (cache, Fcons (Fcons (Fcopy_sequence (spec), val), | |
2146 | XCDR (cache))); | |
2147 | } | |
2148 | if (VECTORP (val) && ASIZE (val) > 0) | |
2149 | { | |
2150 | vec[i++] = val; | |
2151 | break; | |
2152 | } | |
2153 | if (NILP (tail)) | |
2154 | break; | |
2155 | ASET (spec, FONT_FAMILY_INDEX, XCAR (tail)); | |
2156 | tail = XCDR (tail); | |
2157 | } | |
2158 | } | |
2159 | ASET (spec, FONT_TYPE_INDEX, ftype); | |
2160 | ASET (spec, FONT_FAMILY_INDEX, family); | |
a9262bb8 | 2161 | ASET (spec, FONT_SIZE_INDEX, size); |
c2f5bfd6 KH |
2162 | return (i > 0 ? Fvconcat (i, vec) : null_vector); |
2163 | } | |
2164 | ||
2165 | static int num_fonts; | |
2166 | ||
2167 | static Lisp_Object | |
2168 | font_open_entity (f, entity, pixel_size) | |
2169 | FRAME_PTR f; | |
2170 | Lisp_Object entity; | |
2171 | int pixel_size; | |
2172 | { | |
2173 | struct font_driver_list *driver_list; | |
2174 | Lisp_Object objlist, size, val; | |
2175 | struct font *font; | |
2176 | ||
2177 | size = AREF (entity, FONT_SIZE_INDEX); | |
2178 | xassert (NATNUMP (size)); | |
2179 | if (XINT (size) != 0) | |
2180 | pixel_size = XINT (size); | |
2181 | ||
2182 | for (objlist = AREF (entity, FONT_OBJLIST_INDEX); CONSP (objlist); | |
2183 | objlist = XCDR (objlist)) | |
2184 | { | |
2185 | font = XSAVE_VALUE (XCAR (objlist))->pointer; | |
2186 | if (font->pixel_size == pixel_size) | |
2187 | { | |
2188 | XSAVE_VALUE (XCAR (objlist))->integer++; | |
2189 | return XCAR (objlist); | |
2190 | } | |
2191 | } | |
2192 | ||
2193 | xassert (FONT_ENTITY_P (entity)); | |
2194 | val = AREF (entity, FONT_TYPE_INDEX); | |
2195 | for (driver_list = f->font_driver_list; | |
2196 | driver_list && ! EQ (driver_list->driver->type, val); | |
2197 | driver_list = driver_list->next); | |
2198 | if (! driver_list) | |
2199 | return Qnil; | |
2200 | ||
2201 | font = driver_list->driver->open (f, entity, pixel_size); | |
2202 | if (! font) | |
2203 | return Qnil; | |
2204 | val = make_save_value (font, 1); | |
2205 | ASET (entity, FONT_OBJLIST_INDEX, | |
2206 | Fcons (val, AREF (entity, FONT_OBJLIST_INDEX))); | |
2207 | num_fonts++; | |
2208 | return val; | |
2209 | } | |
2210 | ||
2211 | void | |
2212 | font_close_object (f, font_object) | |
2213 | FRAME_PTR f; | |
2214 | Lisp_Object font_object; | |
2215 | { | |
2216 | struct font *font; | |
2217 | Lisp_Object objlist = AREF (font->entity, FONT_OBJLIST_INDEX); | |
2218 | Lisp_Object tail, prev = Qnil; | |
2219 | ||
2220 | for (prev = Qnil, tail = objlist; CONSP (tail); | |
2221 | prev = tail, tail = XCDR (tail)) | |
2222 | if (EQ (font_object, XCAR (tail))) | |
2223 | { | |
2224 | struct Lisp_Save_Value *p = XSAVE_VALUE (font_object); | |
2225 | ||
2226 | xassert (p->integer > 0); | |
2227 | p->integer--; | |
2228 | if (p->integer == 0) | |
2229 | { | |
2230 | if (font->driver->close) | |
2231 | font->driver->close (f, p->pointer); | |
2232 | p->pointer = NULL; | |
2233 | if (NILP (prev)) | |
2234 | ASET (font->entity, FONT_OBJLIST_INDEX, XCDR (objlist)); | |
2235 | else | |
2236 | XSETCDR (prev, XCDR (objlist)); | |
2237 | } | |
2238 | break; | |
2239 | } | |
2240 | } | |
2241 | ||
2242 | int | |
2243 | font_has_char (f, font_entity, c) | |
2244 | FRAME_PTR f; | |
2245 | Lisp_Object font_entity; | |
2246 | int c; | |
2247 | { | |
2248 | Lisp_Object type = AREF (font_entity, FONT_TYPE_INDEX); | |
2249 | struct font_driver_list *driver_list; | |
2250 | ||
2251 | for (driver_list = f->font_driver_list; | |
2252 | driver_list && ! EQ (driver_list->driver->type, type); | |
2253 | driver_list = driver_list->next); | |
2254 | if (! driver_list) | |
2255 | return -1; | |
2256 | return driver_list->driver->has_char (font_entity, c); | |
2257 | } | |
2258 | ||
2259 | unsigned | |
2260 | font_encode_char (font_object, c) | |
2261 | Lisp_Object font_object; | |
2262 | int c; | |
2263 | { | |
2264 | struct font *font = XSAVE_VALUE (font_object)->pointer; | |
2265 | ||
2266 | return font->driver->encode_char (font, c); | |
2267 | } | |
2268 | ||
ef18374f | 2269 | Lisp_Object |
c2f5bfd6 KH |
2270 | font_get_name (font_object) |
2271 | Lisp_Object font_object; | |
2272 | { | |
2273 | struct font *font = XSAVE_VALUE (font_object)->pointer; | |
ef18374f KH |
2274 | char *name = (font->font.full_name ? font->font.full_name |
2275 | : font->font.name ? font->font.name | |
2276 | : NULL); | |
c2f5bfd6 | 2277 | |
ef18374f KH |
2278 | return (name ? make_unibyte_string (name, strlen (name)) : null_string); |
2279 | } | |
2280 | ||
2281 | Lisp_Object | |
2282 | font_get_spec (font_object) | |
2283 | Lisp_Object font_object; | |
2284 | { | |
2285 | struct font *font = XSAVE_VALUE (font_object)->pointer; | |
2286 | Lisp_Object spec = Ffont_spec (0, NULL); | |
2287 | int i; | |
2288 | ||
2289 | for (i = 0; i < FONT_SIZE_INDEX; i++) | |
2290 | ASET (spec, i, AREF (font->entity, i)); | |
2291 | ASET (spec, FONT_SIZE_INDEX, make_number (font->pixel_size)); | |
2292 | return spec; | |
c2f5bfd6 KH |
2293 | } |
2294 | ||
2295 | Lisp_Object | |
2296 | font_get_frame (font) | |
2297 | Lisp_Object font; | |
2298 | { | |
2299 | if (FONT_OBJECT_P (font)) | |
2300 | font = ((struct font *) XSAVE_VALUE (font)->pointer)->entity; | |
2301 | xassert (FONT_ENTITY_P (font)); | |
2302 | return AREF (font, FONT_FRAME_INDEX); | |
2303 | } | |
2304 | ||
ef18374f KH |
2305 | /* Find a font entity best matching with LFACE. If SPEC is non-nil, |
2306 | the font must exactly match with it. */ | |
c2f5bfd6 KH |
2307 | |
2308 | Lisp_Object | |
2309 | font_find_for_lface (f, lface, spec) | |
2310 | FRAME_PTR f; | |
2311 | Lisp_Object *lface; | |
2312 | Lisp_Object spec; | |
2313 | { | |
ef18374f | 2314 | Lisp_Object frame, entities; |
c2f5bfd6 | 2315 | int i; |
c2f5bfd6 | 2316 | |
c2f5bfd6 KH |
2317 | if (NILP (spec)) |
2318 | for (i = 0; i < FONT_SPEC_MAX; i++) | |
2319 | ASET (scratch_font_spec, i, Qnil); | |
2320 | else | |
2321 | for (i = 0; i < FONT_SPEC_MAX; i++) | |
2322 | ASET (scratch_font_spec, i, AREF (spec, i)); | |
2323 | ||
c2f5bfd6 | 2324 | if (NILP (AREF (scratch_font_spec, FONT_FAMILY_INDEX)) |
ef18374f KH |
2325 | && ! NILP (lface[LFACE_FAMILY_INDEX])) |
2326 | font_merge_old_spec (Qnil, lface[LFACE_FAMILY_INDEX], Qnil, | |
2327 | scratch_font_spec); | |
c2f5bfd6 | 2328 | if (NILP (AREF (scratch_font_spec, FONT_REGISTRY_INDEX))) |
ef18374f | 2329 | ASET (scratch_font_spec, FONT_REGISTRY_INDEX, intern ("iso8859-1")); |
c2f5bfd6 KH |
2330 | |
2331 | XSETFRAME (frame, f); | |
2332 | entities = font_list_entities (frame, scratch_font_spec); | |
2333 | while (ASIZE (entities) == 0) | |
2334 | { | |
ef18374f KH |
2335 | if (! NILP (AREF (scratch_font_spec, FONT_FOUNDRY_INDEX)) |
2336 | && (NILP (spec) || NILP (AREF (spec, FONT_FOUNDRY_INDEX)))) | |
c2f5bfd6 | 2337 | { |
c2f5bfd6 KH |
2338 | ASET (scratch_font_spec, FONT_FOUNDRY_INDEX, Qnil); |
2339 | entities = font_list_entities (frame, scratch_font_spec); | |
2340 | } | |
ef18374f KH |
2341 | else if (! NILP (AREF (scratch_font_spec, FONT_FAMILY_INDEX)) |
2342 | && (NILP (spec) || NILP (AREF (spec, FONT_FAMILY_INDEX)))) | |
c2f5bfd6 | 2343 | { |
c2f5bfd6 KH |
2344 | ASET (scratch_font_spec, FONT_FAMILY_INDEX, Qnil); |
2345 | entities = font_list_entities (frame, scratch_font_spec); | |
2346 | } | |
2347 | else | |
2348 | return Qnil; | |
2349 | } | |
2350 | ||
2351 | if (ASIZE (entities) > 1) | |
2352 | { | |
ef18374f | 2353 | Lisp_Object prefer = scratch_font_prefer, val; |
9331887d | 2354 | double pt; |
ef18374f KH |
2355 | |
2356 | ASET (prefer, FONT_WEIGHT_INDEX, | |
2357 | font_prop_validate_style (FONT_WEIGHT_INDEX, | |
2358 | lface[LFACE_WEIGHT_INDEX])); | |
2359 | ASET (prefer, FONT_SLANT_INDEX, | |
2360 | font_prop_validate_style (FONT_SLANT_INDEX, | |
2361 | lface[LFACE_SLANT_INDEX])); | |
2362 | ASET (prefer, FONT_WIDTH_INDEX, | |
2363 | font_prop_validate_style (FONT_WIDTH_INDEX, | |
2364 | lface[LFACE_SWIDTH_INDEX])); | |
9331887d KH |
2365 | pt = XINT (lface[LFACE_HEIGHT_INDEX]); |
2366 | ASET (prefer, FONT_SIZE_INDEX, make_float (pt / 10)); | |
c2f5bfd6 | 2367 | |
c2f5bfd6 KH |
2368 | font_sort_entites (entities, prefer, frame, spec); |
2369 | } | |
2370 | ||
2371 | return AREF (entities, 0); | |
2372 | } | |
2373 | ||
2374 | Lisp_Object | |
2375 | font_open_for_lface (f, lface, entity) | |
2376 | FRAME_PTR f; | |
2377 | Lisp_Object *lface; | |
2378 | Lisp_Object entity; | |
2379 | { | |
9331887d KH |
2380 | double pt = XINT (lface[LFACE_HEIGHT_INDEX]); |
2381 | int size; | |
c2f5bfd6 | 2382 | |
9331887d KH |
2383 | pt /= 10; |
2384 | size = POINT_TO_PIXEL (pt, f->resy); | |
c2f5bfd6 KH |
2385 | return font_open_entity (f, entity, size); |
2386 | } | |
2387 | ||
2388 | void | |
2389 | font_load_for_face (f, face) | |
2390 | FRAME_PTR f; | |
2391 | struct face *face; | |
2392 | { | |
ef18374f | 2393 | Lisp_Object font_object = face->lface[LFACE_FONT_INDEX]; |
c2f5bfd6 | 2394 | |
ef18374f | 2395 | if (NILP (font_object)) |
c2f5bfd6 | 2396 | { |
ef18374f | 2397 | Lisp_Object entity = font_find_for_lface (f, face->lface, Qnil); |
c2f5bfd6 | 2398 | |
ef18374f KH |
2399 | if (! NILP (entity)) |
2400 | font_object = font_open_for_lface (f, face->lface, entity); | |
2401 | } | |
c2f5bfd6 | 2402 | |
ef18374f KH |
2403 | if (! NILP (font_object)) |
2404 | { | |
2405 | struct font *font = XSAVE_VALUE (font_object)->pointer; | |
2406 | ||
2407 | face->font = font->font.font; | |
2408 | face->font_info = (struct font_info *) font; | |
2409 | face->font_info_id = 0; | |
2410 | face->font_name = font->font.full_name; | |
2411 | } | |
2412 | else | |
2413 | { | |
2414 | face->font = NULL; | |
2415 | face->font_info = NULL; | |
2416 | face->font_info_id = -1; | |
2417 | face->font_name = NULL; | |
2418 | add_to_log ("Unable to load font for a face%s", null_string, Qnil); | |
c2f5bfd6 | 2419 | } |
c2f5bfd6 KH |
2420 | } |
2421 | ||
2422 | void | |
2423 | font_prepare_for_face (f, face) | |
2424 | FRAME_PTR f; | |
2425 | struct face *face; | |
2426 | { | |
2427 | struct font *font = (struct font *) face->font_info; | |
2428 | ||
2429 | if (font->driver->prepare_face) | |
2430 | font->driver->prepare_face (f, face); | |
2431 | } | |
2432 | ||
2433 | void | |
2434 | font_done_for_face (f, face) | |
2435 | FRAME_PTR f; | |
2436 | struct face *face; | |
2437 | { | |
2438 | struct font *font = (struct font *) face->font_info; | |
2439 | ||
2440 | if (font->driver->done_face) | |
2441 | font->driver->done_face (f, face); | |
2442 | face->extra = NULL; | |
2443 | } | |
2444 | ||
2445 | Lisp_Object | |
2446 | font_open_by_name (f, name) | |
2447 | FRAME_PTR f; | |
2448 | char *name; | |
2449 | { | |
ef18374f | 2450 | Lisp_Object args[2]; |
a9262bb8 | 2451 | Lisp_Object spec, prefer, size, entities; |
c2f5bfd6 | 2452 | Lisp_Object frame; |
1bb1d99b | 2453 | struct font_driver_list *dlist; |
a9262bb8 | 2454 | int i; |
ef18374f | 2455 | int pixel_size; |
c2f5bfd6 KH |
2456 | |
2457 | XSETFRAME (frame, f); | |
a9262bb8 | 2458 | |
ef18374f KH |
2459 | args[0] = QCname; |
2460 | args[1] = make_unibyte_string (name, strlen (name)); | |
2461 | spec = Ffont_spec (2, args); | |
a9262bb8 KH |
2462 | prefer = scratch_font_prefer; |
2463 | for (i = FONT_WEIGHT_INDEX; i < FONT_SIZE_INDEX; i++) | |
2464 | if (NILP (AREF (spec, i))) | |
2465 | ASET (prefer, i, make_number (100)); | |
2466 | size = AREF (spec, FONT_SIZE_INDEX); | |
2467 | if (NILP (size)) | |
2468 | pixel_size = 0; | |
2469 | else if (INTEGERP (size)) | |
2470 | pixel_size = XINT (size); | |
2471 | else /* FLOATP (size) */ | |
ef18374f | 2472 | { |
9331887d | 2473 | double pt = XFLOAT_DATA (size); |
a9262bb8 KH |
2474 | |
2475 | pixel_size = POINT_TO_PIXEL (pt, f->resy); | |
2476 | size = make_number (pixel_size); | |
2477 | ASET (spec, FONT_SIZE_INDEX, size); | |
ef18374f | 2478 | } |
a9262bb8 | 2479 | if (pixel_size == 0) |
ef18374f | 2480 | { |
9331887d | 2481 | pixel_size = POINT_TO_PIXEL (12.0, f->resy); |
a9262bb8 | 2482 | size = make_number (pixel_size); |
ef18374f | 2483 | } |
a9262bb8 | 2484 | ASET (prefer, FONT_SIZE_INDEX, size); |
9331887d KH |
2485 | if (NILP (AREF (spec, FONT_REGISTRY_INDEX))) |
2486 | ASET (spec, FONT_REGISTRY_INDEX, Qiso8859_1); | |
a9262bb8 KH |
2487 | |
2488 | entities = Flist_fonts (spec, frame, make_number (1), prefer); | |
2489 | return (NILP (entities) | |
2490 | ? Qnil | |
2491 | : font_open_entity (f, XCAR (entities), pixel_size)); | |
c2f5bfd6 KH |
2492 | } |
2493 | ||
2494 | ||
2495 | /* Register font-driver DRIVER. This function is used in two ways. | |
2496 | ||
2497 | The first is with frame F non-NULL. In this case, DRIVER is | |
2498 | registered to be used for drawing characters on F. All frame | |
2499 | creaters (e.g. Fx_create_frame) must call this function at least | |
2500 | once with an available font-driver. | |
2501 | ||
2502 | The second is with frame F NULL. In this case, DRIVER is globally | |
2503 | registered in the variable `font_driver_list'. All font-driver | |
2504 | implementations must call this function in its syms_of_XXXX | |
2505 | (e.g. syms_of_xfont). */ | |
2506 | ||
2507 | void | |
2508 | register_font_driver (driver, f) | |
2509 | struct font_driver *driver; | |
2510 | FRAME_PTR f; | |
2511 | { | |
2512 | struct font_driver_list *root = f ? f->font_driver_list : font_driver_list; | |
2513 | struct font_driver_list *prev, *list; | |
2514 | ||
2515 | if (f && ! driver->draw) | |
2516 | error ("Unsable font driver for a frame: %s", | |
2517 | SDATA (SYMBOL_NAME (driver->type))); | |
2518 | ||
2519 | for (prev = NULL, list = root; list; prev = list, list = list->next) | |
2520 | if (list->driver->type == driver->type) | |
2521 | error ("Duplicated font driver: %s", SDATA (SYMBOL_NAME (driver->type))); | |
2522 | ||
2523 | list = malloc (sizeof (struct font_driver_list)); | |
2524 | list->driver = driver; | |
2525 | list->next = NULL; | |
2526 | if (prev) | |
2527 | prev->next = list; | |
2528 | else if (f) | |
2529 | f->font_driver_list = list; | |
2530 | else | |
2531 | font_driver_list = list; | |
2532 | num_font_drivers++; | |
2533 | } | |
2534 | ||
2535 | /* Free font-driver list on frame F. It doesn't free font-drivers | |
2536 | themselves. */ | |
2537 | ||
2538 | void | |
2539 | free_font_driver_list (f) | |
2540 | FRAME_PTR f; | |
2541 | { | |
2542 | while (f->font_driver_list) | |
2543 | { | |
2544 | struct font_driver_list *next = f->font_driver_list->next; | |
2545 | ||
2546 | free (f->font_driver_list); | |
2547 | f->font_driver_list = next; | |
2548 | } | |
2549 | } | |
2550 | ||
2551 | \f | |
2552 | /* Lisp API */ | |
2553 | ||
2554 | DEFUN ("fontp", Ffontp, Sfontp, 1, 1, 0, | |
2555 | doc: /* Return t if object is a font-spec or font-entity. */) | |
2556 | (object) | |
2557 | Lisp_Object object; | |
2558 | { | |
2559 | return (FONTP (object) ? Qt : Qnil); | |
2560 | } | |
2561 | ||
2562 | DEFUN ("font-spec", Ffont_spec, Sfont_spec, 0, MANY, 0, | |
2563 | doc: /* Return a newly created font-spec with specified arguments as properties. | |
2564 | usage: (font-spec &rest properties) */) | |
2565 | (nargs, args) | |
2566 | int nargs; | |
2567 | Lisp_Object *args; | |
2568 | { | |
2569 | Lisp_Object spec = Fmake_vector (make_number (FONT_SPEC_MAX), Qnil); | |
9331887d | 2570 | Lisp_Object extra = Qnil, name = Qnil; |
c2f5bfd6 KH |
2571 | int i; |
2572 | ||
2573 | for (i = 0; i < nargs; i += 2) | |
2574 | { | |
2575 | enum font_property_index prop; | |
2576 | Lisp_Object key = args[i], val = args[i + 1]; | |
2577 | ||
2578 | prop = check_font_prop_name (key); | |
2579 | if (prop < FONT_EXTRA_INDEX) | |
2580 | ASET (spec, prop, (font_property_table[prop].validater) (prop, val)); | |
2581 | else | |
4485a28e KH |
2582 | { |
2583 | if (EQ (key, QCname)) | |
9331887d KH |
2584 | name = val; |
2585 | else | |
2586 | extra = Fcons (Fcons (key, val), extra); | |
4485a28e | 2587 | } |
c2f5bfd6 KH |
2588 | } |
2589 | ASET (spec, FONT_EXTRA_INDEX, extra); | |
9331887d KH |
2590 | if (STRINGP (name)) |
2591 | font_parse_name (SDATA (name), spec, 0); | |
c2f5bfd6 KH |
2592 | return spec; |
2593 | } | |
2594 | ||
2595 | ||
2596 | DEFUN ("font-get", Ffont_get, Sfont_get, 2, 2, 0, | |
2597 | doc: /* Return the value of FONT's PROP property. | |
2598 | FONT may be a font-spec or font-entity. | |
2599 | If FONT is font-entity and PROP is :extra, always nil is returned. */) | |
2600 | (font, prop) | |
2601 | Lisp_Object font, prop; | |
2602 | { | |
2603 | enum font_property_index idx; | |
2604 | ||
2605 | CHECK_FONT (font); | |
2606 | idx = check_font_prop_name (prop); | |
2607 | if (idx < FONT_EXTRA_INDEX) | |
2608 | return AREF (font, idx); | |
2609 | if (FONT_ENTITY_P (font)) | |
2610 | return Qnil; | |
2611 | return Fcdr (Fassoc (AREF (font, FONT_EXTRA_INDEX), prop)); | |
2612 | } | |
2613 | ||
2614 | ||
2615 | DEFUN ("font-put", Ffont_put, Sfont_put, 3, 3, 0, | |
2616 | doc: /* Set one property of FONT-SPEC: give property PROP value VALUE. */) | |
2617 | (font_spec, prop, val) | |
2618 | Lisp_Object font_spec, prop, val; | |
2619 | { | |
2620 | enum font_property_index idx; | |
2621 | Lisp_Object extra, slot; | |
2622 | ||
2623 | CHECK_FONT_SPEC (font_spec); | |
2624 | idx = check_font_prop_name (prop); | |
2625 | if (idx < FONT_EXTRA_INDEX) | |
2626 | return ASET (font_spec, idx, val); | |
2627 | extra = AREF (font_spec, FONT_EXTRA_INDEX); | |
2628 | slot = Fassoc (extra, prop); | |
2629 | if (NILP (slot)) | |
2630 | extra = Fcons (Fcons (prop, val), extra); | |
2631 | else | |
2632 | Fsetcdr (slot, val); | |
2633 | return val; | |
2634 | } | |
2635 | ||
2636 | DEFUN ("list-fonts", Flist_fonts, Slist_fonts, 1, 4, 0, | |
2637 | doc: /* List available fonts matching FONT-SPEC on the current frame. | |
2638 | Optional 2nd argument FRAME specifies the target frame. | |
2639 | Optional 3rd argument NUM, if non-nil, limits the number of returned fonts. | |
2640 | Optional 4th argument PREFER, if non-nil, is a font-spec to sort fonts | |
2641 | by closeness to PREFER. */) | |
2642 | (font_spec, frame, num, prefer) | |
2643 | Lisp_Object font_spec, frame, num, prefer; | |
2644 | { | |
2645 | Lisp_Object vec, list, tail; | |
2646 | int n = 0, i, len; | |
2647 | ||
2648 | if (NILP (frame)) | |
2649 | frame = selected_frame; | |
2650 | CHECK_LIVE_FRAME (frame); | |
2651 | CHECK_VALIDATE_FONT_SPEC (font_spec); | |
2652 | if (! NILP (num)) | |
2653 | { | |
2654 | CHECK_NUMBER (num); | |
2655 | n = XINT (num); | |
2656 | if (n <= 0) | |
2657 | return Qnil; | |
2658 | } | |
2659 | if (! NILP (prefer)) | |
2660 | CHECK_FONT (prefer); | |
2661 | ||
2662 | vec = font_list_entities (frame, font_spec); | |
2663 | len = ASIZE (vec); | |
2664 | if (len == 0) | |
2665 | return Qnil; | |
2666 | if (len == 1) | |
2667 | return Fcons (AREF (vec, 0), Qnil); | |
2668 | ||
2669 | if (! NILP (prefer)) | |
2670 | vec = font_sort_entites (vec, prefer, frame, font_spec); | |
2671 | ||
2672 | list = tail = Fcons (AREF (vec, 0), Qnil); | |
2673 | if (n == 0 || n > len) | |
2674 | n = len; | |
2675 | for (i = 1; i < n; i++) | |
2676 | { | |
2677 | Lisp_Object val = Fcons (AREF (vec, i), Qnil); | |
2678 | ||
2679 | XSETCDR (tail, val); | |
2680 | tail = val; | |
2681 | } | |
2682 | return list; | |
2683 | } | |
2684 | ||
2685 | DEFUN ("list-families", Flist_families, Slist_families, 0, 1, 0, | |
2686 | doc: /* List available font families on the current frame. | |
2687 | Optional 2nd argument FRAME specifies the target frame. */) | |
2688 | (frame) | |
2689 | Lisp_Object frame; | |
2690 | { | |
2691 | FRAME_PTR f; | |
2692 | struct font_driver_list *driver_list; | |
2693 | Lisp_Object list; | |
2694 | ||
2695 | if (NILP (frame)) | |
2696 | frame = selected_frame; | |
2697 | CHECK_LIVE_FRAME (frame); | |
2698 | f = XFRAME (frame); | |
2699 | list = Qnil; | |
2700 | for (driver_list = f->font_driver_list; driver_list; | |
2701 | driver_list = driver_list->next) | |
2702 | if (driver_list->driver->list_family) | |
2703 | { | |
2704 | Lisp_Object val = driver_list->driver->list_family (frame); | |
2705 | ||
2706 | if (NILP (list)) | |
2707 | list = val; | |
2708 | else | |
2709 | { | |
2710 | Lisp_Object tail = list; | |
2711 | ||
2712 | for (; CONSP (val); val = XCDR (val)) | |
2713 | if (NILP (Fmemq (XCAR (val), tail))) | |
2714 | list = Fcons (XCAR (val), list); | |
2715 | } | |
2716 | } | |
2717 | return list; | |
2718 | } | |
2719 | ||
2720 | DEFUN ("find-font", Ffind_font, Sfind_font, 1, 2, 0, | |
2721 | doc: /* Return a font-entity matching with FONT-SPEC on the current frame. | |
2722 | Optional 2nd argument FRAME, if non-nil, specifies the target frame. */) | |
2723 | (font_spec, frame) | |
2724 | Lisp_Object font_spec, frame; | |
2725 | { | |
2726 | Lisp_Object val = Flist_fonts (font_spec, frame, make_number (1), Qnil); | |
2727 | ||
2728 | if (CONSP (val)) | |
2729 | val = XCAR (val); | |
2730 | return val; | |
2731 | } | |
2732 | ||
2733 | DEFUN ("font-xlfd-name", Ffont_xlfd_name, Sfont_xlfd_name, 1, 1, 0, | |
2734 | doc: /* Return XLFD name of FONT. | |
2735 | FONT is a font-spec, font-entity, or font-object. | |
2736 | If the name is too long for XLFD (maximum 255 chars), return nil. */) | |
2737 | (font) | |
2738 | Lisp_Object font; | |
2739 | { | |
2740 | char name[256]; | |
2741 | int pixel_size = 0; | |
2742 | ||
2743 | if (FONT_SPEC_P (font)) | |
2744 | CHECK_VALIDATE_FONT_SPEC (font); | |
2745 | else if (FONT_ENTITY_P (font)) | |
2746 | CHECK_FONT (font); | |
2747 | else | |
2748 | { | |
2749 | struct font *fontp; | |
2750 | ||
2751 | CHECK_FONT_GET_OBJECT (font, fontp); | |
2752 | font = fontp->entity; | |
2753 | pixel_size = fontp->pixel_size; | |
2754 | } | |
2755 | ||
2756 | if (font_unparse_xlfd (font, pixel_size, name, 256) < 0) | |
2757 | return Qnil; | |
2758 | return build_string (name); | |
2759 | } | |
2760 | ||
2761 | DEFUN ("clear-font-cache", Fclear_font_cache, Sclear_font_cache, 0, 0, 0, | |
2762 | doc: /* Clear font cache. */) | |
2763 | () | |
2764 | { | |
2765 | Lisp_Object list, frame; | |
2766 | ||
2767 | FOR_EACH_FRAME (list, frame) | |
2768 | { | |
2769 | FRAME_PTR f = XFRAME (frame); | |
2770 | struct font_driver_list *driver_list = f->font_driver_list; | |
2771 | ||
2772 | for (; driver_list; driver_list = driver_list->next) | |
2773 | { | |
2774 | Lisp_Object cache = driver_list->driver->get_cache (frame); | |
2775 | Lisp_Object tail, elt; | |
2776 | ||
2777 | for (tail = XCDR (cache); CONSP (tail); tail = XCDR (tail)) | |
2778 | { | |
2779 | elt = XCAR (tail); | |
2780 | if (CONSP (elt) && FONT_SPEC_P (XCAR (elt))) | |
2781 | { | |
2782 | Lisp_Object vec = XCDR (elt); | |
2783 | int i; | |
2784 | ||
2785 | for (i = 0; i < ASIZE (vec); i++) | |
2786 | { | |
2787 | Lisp_Object entity = AREF (vec, i); | |
2788 | Lisp_Object objlist = AREF (entity, FONT_OBJLIST_INDEX); | |
2789 | ||
2790 | for (; CONSP (objlist); objlist = XCDR (objlist)) | |
2791 | { | |
2792 | Lisp_Object val = XCAR (objlist); | |
2793 | struct Lisp_Save_Value *p = XSAVE_VALUE (val); | |
2794 | struct font *font = p->pointer; | |
2795 | ||
2796 | xassert (font | |
2797 | && driver_list->driver == font->driver); | |
2798 | driver_list->driver->close (f, font); | |
2799 | p->pointer = NULL; | |
2800 | p->integer = 0; | |
2801 | } | |
2802 | if (driver_list->driver->free_entity) | |
2803 | driver_list->driver->free_entity (entity); | |
2804 | } | |
2805 | } | |
2806 | } | |
2807 | XSETCDR (cache, Qnil); | |
2808 | } | |
2809 | } | |
2810 | ||
2811 | return Qnil; | |
2812 | } | |
2813 | ||
2814 | DEFUN ("internal-set-font-style-table", Finternal_set_font_style_table, | |
2815 | Sinternal_set_font_style_table, 2, 2, 0, | |
2816 | doc: /* Set font style table for PROP to TABLE. | |
2817 | PROP must be `:weight', `:slant', or `:width'. | |
2818 | TABLE must be an alist of symbols vs the corresponding numeric values | |
2819 | sorted by numeric values. */) | |
2820 | (prop, table) | |
2821 | Lisp_Object prop, table; | |
2822 | { | |
2823 | int table_index; | |
2824 | int numeric; | |
2825 | Lisp_Object tail, val; | |
2826 | ||
2827 | CHECK_SYMBOL (prop); | |
2828 | table_index = (EQ (prop, QCweight) ? 0 | |
2829 | : EQ (prop, QCslant) ? 1 | |
2830 | : EQ (prop, QCwidth) ? 2 | |
2831 | : 3); | |
2832 | if (table_index >= ASIZE (font_style_table)) | |
2833 | error ("Invalid font style property: %s", SDATA (SYMBOL_NAME (prop))); | |
2834 | table = Fcopy_sequence (table); | |
2835 | numeric = -1; | |
2836 | for (tail = table; ! NILP (tail); tail = Fcdr (tail)) | |
2837 | { | |
2838 | prop = Fcar (Fcar (tail)); | |
2839 | val = Fcdr (Fcar (tail)); | |
2840 | CHECK_SYMBOL (prop); | |
2841 | CHECK_NATNUM (val); | |
2842 | if (numeric > XINT (val)) | |
2843 | error ("Numeric values not sorted for %s", SDATA (SYMBOL_NAME (prop))); | |
2844 | numeric = XINT (val); | |
2845 | XSETCAR (tail, Fcons (prop, val)); | |
2846 | } | |
2847 | ASET (font_style_table, table_index, table); | |
2848 | return Qnil; | |
2849 | } | |
2850 | ||
2851 | DEFUN ("font-make-gstring", Ffont_make_gstring, Sfont_make_gstring, 2, 2, 0, | |
2852 | doc: /* Return a newly created glyph-string for FONT-OBJECT with NUM glyphs. | |
2853 | FONT-OBJECT may be nil if it is not yet known. */) | |
2854 | (font_object, num) | |
2855 | Lisp_Object font_object, num; | |
2856 | { | |
2857 | Lisp_Object gstring, g; | |
2858 | int len; | |
2859 | int i; | |
2860 | ||
2861 | if (! NILP (font_object)) | |
2862 | CHECK_FONT_OBJECT (font_object); | |
2863 | CHECK_NATNUM (num); | |
2864 | ||
2865 | len = XINT (num) + 1; | |
2866 | gstring = Fmake_vector (make_number (len), Qnil); | |
2867 | g = Fmake_vector (make_number (6), Qnil); | |
2868 | ASET (g, 0, font_object); | |
2869 | ASET (gstring, 0, g); | |
2870 | for (i = 1; i < len; i++) | |
2871 | ASET (gstring, i, Fmake_vector (make_number (8), make_number (0))); | |
2872 | return gstring; | |
2873 | } | |
2874 | ||
2875 | DEFUN ("font-fill-gstring", Ffont_fill_gstring, Sfont_fill_gstring, 4, 5, 0, | |
2876 | doc: /* Fillin glyph-string GSTRING by characters for FONT-OBJECT. | |
2877 | START and END specifies the region to extract characters. | |
2878 | If optional 3rd argument OBJECT is non-nil, it is a buffer or a string from | |
2879 | where to extract characters. | |
2880 | FONT-OBJECT may be nil if GSTRING already already contains one. */) | |
2881 | (gstring, font_object, start, end, object) | |
2882 | Lisp_Object gstring, font_object, start, end, object; | |
2883 | { | |
2884 | int len, i, c; | |
2885 | unsigned code; | |
2886 | struct font *font; | |
2887 | ||
2888 | CHECK_VECTOR (gstring); | |
2889 | if (NILP (font_object)) | |
2890 | font_object = Faref (Faref (gstring, make_number (0)), make_number (0)); | |
2891 | CHECK_FONT_GET_OBJECT (font_object, font); | |
2892 | ||
2893 | if (STRINGP (object)) | |
2894 | { | |
2895 | const unsigned char *p; | |
2896 | ||
2897 | CHECK_NATNUM (start); | |
2898 | CHECK_NATNUM (end); | |
2899 | if (XINT (start) > XINT (end) | |
2900 | || XINT (end) > ASIZE (object) | |
2901 | || XINT (end) - XINT (start) >= XINT (Flength (gstring))) | |
2902 | args_out_of_range (start, end); | |
2903 | ||
2904 | len = XINT (end) - XINT (start); | |
2905 | p = SDATA (object) + string_char_to_byte (object, XINT (start)); | |
2906 | for (i = 0; i < len; i++) | |
2907 | { | |
2908 | Lisp_Object g = LGSTRING_GLYPH (gstring, i); | |
2909 | ||
2910 | c = STRING_CHAR_ADVANCE (p); | |
2911 | code = font->driver->encode_char (font, c); | |
2912 | if (code > MOST_POSITIVE_FIXNUM) | |
2913 | error ("Glyph code 0x%X is too large", code); | |
2914 | ASET (g, 0, make_number (i)); | |
2915 | ASET (g, 1, make_number (i + 1)); | |
2916 | LGLYPH_SET_CHAR (g, make_number (c)); | |
2917 | LGLYPH_SET_CODE (g, make_number (code)); | |
2918 | } | |
2919 | } | |
2920 | else | |
2921 | { | |
2922 | int pos, pos_byte; | |
2923 | ||
2924 | if (! NILP (object)) | |
2925 | Fset_buffer (object); | |
2926 | validate_region (&start, &end); | |
2927 | if (XINT (end) - XINT (start) > len) | |
2928 | args_out_of_range (start, end); | |
2929 | len = XINT (end) - XINT (start); | |
2930 | pos = XINT (start); | |
2931 | pos_byte = CHAR_TO_BYTE (pos); | |
2932 | for (i = 0; i < len; i++) | |
2933 | { | |
2934 | Lisp_Object g = LGSTRING_GLYPH (gstring, i); | |
2935 | ||
2936 | FETCH_CHAR_ADVANCE (c, pos, pos_byte); | |
2937 | code = font->driver->encode_char (font, c); | |
2938 | if (code > MOST_POSITIVE_FIXNUM) | |
2939 | error ("Glyph code 0x%X is too large", code); | |
2940 | ASET (g, 0, make_number (i)); | |
2941 | ASET (g, 1, make_number (i + 1)); | |
2942 | LGLYPH_SET_CHAR (g, make_number (c)); | |
2943 | LGLYPH_SET_CODE (g, make_number (code)); | |
2944 | } | |
2945 | } | |
2946 | return Qnil; | |
2947 | } | |
2948 | ||
2949 | ||
2950 | #ifdef FONT_DEBUG | |
2951 | ||
2952 | DEFUN ("open-font", Fopen_font, Sopen_font, 1, 3, 0, | |
2953 | doc: /* Open FONT-ENTITY. */) | |
2954 | (font_entity, size, frame) | |
2955 | Lisp_Object font_entity; | |
2956 | Lisp_Object size; | |
2957 | Lisp_Object frame; | |
2958 | { | |
2959 | int isize; | |
2960 | ||
2961 | CHECK_FONT_ENTITY (font_entity); | |
2962 | if (NILP (size)) | |
2963 | size = AREF (font_entity, FONT_SIZE_INDEX); | |
2964 | CHECK_NUMBER (size); | |
2965 | if (NILP (frame)) | |
2966 | frame = selected_frame; | |
2967 | CHECK_LIVE_FRAME (frame); | |
2968 | ||
2969 | isize = XINT (size); | |
2970 | if (isize < 0) | |
2971 | isize = POINT_TO_PIXEL (- isize, XFRAME (frame)->resy); | |
2972 | ||
2973 | return font_open_entity (XFRAME (frame), font_entity, isize); | |
2974 | } | |
2975 | ||
2976 | DEFUN ("close-font", Fclose_font, Sclose_font, 1, 2, 0, | |
2977 | doc: /* Close FONT-OBJECT. */) | |
2978 | (font_object, frame) | |
2979 | Lisp_Object font_object, frame; | |
2980 | { | |
2981 | CHECK_FONT_OBJECT (font_object); | |
2982 | if (NILP (frame)) | |
2983 | frame = selected_frame; | |
2984 | CHECK_LIVE_FRAME (frame); | |
2985 | font_close_object (XFRAME (frame), font_object); | |
2986 | return Qnil; | |
2987 | } | |
2988 | ||
2989 | DEFUN ("query-font", Fquery_font, Squery_font, 1, 1, 0, | |
2990 | doc: /* Return information about FONT-OBJECT. */) | |
2991 | (font_object) | |
2992 | Lisp_Object font_object; | |
2993 | { | |
2994 | struct font *font; | |
2995 | Lisp_Object val; | |
2996 | ||
2997 | CHECK_FONT_GET_OBJECT (font_object, font); | |
2998 | ||
2999 | val = Fmake_vector (make_number (9), Qnil); | |
3000 | ASET (val, 0, Ffont_xlfd_name (font_object)); | |
3001 | if (font->file_name) | |
3002 | ASET (val, 1, make_unibyte_string (font->file_name, | |
3003 | strlen (font->file_name))); | |
3004 | ASET (val, 2, make_number (font->pixel_size)); | |
3005 | ASET (val, 3, make_number (font->font.size)); | |
3006 | ASET (val, 4, make_number (font->ascent)); | |
3007 | ASET (val, 5, make_number (font->descent)); | |
3008 | ASET (val, 6, make_number (font->font.space_width)); | |
3009 | ASET (val, 7, make_number (font->font.average_width)); | |
3010 | if (font->driver->otf_capability) | |
3011 | ASET (val, 8, font->driver->otf_capability (font)); | |
3012 | return val; | |
3013 | } | |
3014 | ||
3015 | DEFUN ("get-font-glyphs", Fget_font_glyphs, Sget_font_glyphs, 2, 2, 0, | |
3016 | doc: /* Return a vector of glyphs of FONT-OBJECT for drawing STRING. | |
3017 | Each element is a vector [GLYPH-CODE LBEARING RBEARING WIDTH ASCENT DESCENT]. */) | |
3018 | (font_object, string) | |
3019 | Lisp_Object font_object, string; | |
3020 | { | |
3021 | struct font *font; | |
3022 | int i, len; | |
3023 | Lisp_Object vec; | |
3024 | ||
3025 | CHECK_FONT_GET_OBJECT (font_object, font); | |
3026 | CHECK_STRING (string); | |
3027 | len = SCHARS (string); | |
3028 | vec = Fmake_vector (make_number (len), Qnil); | |
3029 | for (i = 0; i < len; i++) | |
3030 | { | |
3031 | Lisp_Object ch = Faref (string, make_number (i)); | |
3032 | Lisp_Object val; | |
3033 | int c = XINT (ch); | |
3034 | unsigned code; | |
3035 | struct font_metrics metrics; | |
3036 | ||
3037 | code = font->driver->encode_char (font, c); | |
3038 | if (code == FONT_INVALID_CODE) | |
3039 | continue; | |
3040 | val = Fmake_vector (make_number (6), Qnil); | |
3041 | if (code <= MOST_POSITIVE_FIXNUM) | |
3042 | ASET (val, 0, make_number (code)); | |
3043 | else | |
3044 | ASET (val, 0, Fcons (make_number (code >> 16), | |
3045 | make_number (code & 0xFFFF))); | |
3046 | font->driver->text_extents (font, &code, 1, &metrics); | |
3047 | ASET (val, 1, make_number (metrics.lbearing)); | |
3048 | ASET (val, 2, make_number (metrics.rbearing)); | |
3049 | ASET (val, 3, make_number (metrics.width)); | |
3050 | ASET (val, 4, make_number (metrics.ascent)); | |
3051 | ASET (val, 5, make_number (metrics.descent)); | |
3052 | ASET (vec, i, val); | |
3053 | } | |
3054 | return vec; | |
3055 | } | |
3056 | ||
3057 | #if 0 | |
3058 | DEFUN ("draw-string", Fdraw_string, Sdraw_string, 2, 2, 0, | |
3059 | doc: /* Draw STRING by FONT-OBJECT on the top left corner of the current frame. | |
3060 | The value is a number of glyphs drawn. | |
3061 | Type C-l to recover what previously shown. */) | |
3062 | (font_object, string) | |
3063 | Lisp_Object font_object, string; | |
3064 | { | |
3065 | Lisp_Object frame = selected_frame; | |
3066 | FRAME_PTR f = XFRAME (frame); | |
3067 | struct font *font; | |
3068 | struct face *face; | |
3069 | int i, len, width; | |
3070 | unsigned *code; | |
3071 | ||
3072 | CHECK_FONT_GET_OBJECT (font_object, font); | |
3073 | CHECK_STRING (string); | |
3074 | len = SCHARS (string); | |
3075 | code = alloca (sizeof (unsigned) * len); | |
3076 | for (i = 0; i < len; i++) | |
3077 | { | |
3078 | Lisp_Object ch = Faref (string, make_number (i)); | |
3079 | Lisp_Object val; | |
3080 | int c = XINT (ch); | |
3081 | ||
3082 | code[i] = font->driver->encode_char (font, c); | |
3083 | if (code[i] == FONT_INVALID_CODE) | |
3084 | break; | |
3085 | } | |
3086 | face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
3087 | face->fontp = font; | |
3088 | if (font->driver->prepare_face) | |
3089 | font->driver->prepare_face (f, face); | |
3090 | width = font->driver->text_extents (font, code, i, NULL); | |
3091 | len = font->driver->draw_text (f, face, 0, font->ascent, code, i, width); | |
3092 | if (font->driver->done_face) | |
3093 | font->driver->done_face (f, face); | |
3094 | face->fontp = NULL; | |
3095 | return make_number (len); | |
3096 | } | |
3097 | #endif | |
3098 | ||
3099 | #endif /* FONT_DEBUG */ | |
3100 | ||
3101 | \f | |
3102 | extern void syms_of_ftfont P_ (()); | |
3103 | extern void syms_of_xfont P_ (()); | |
3104 | extern void syms_of_xftfont P_ (()); | |
3105 | extern void syms_of_ftxfont P_ (()); | |
3106 | extern void syms_of_bdffont P_ (()); | |
3107 | extern void syms_of_w32font P_ (()); | |
3108 | extern void syms_of_atmfont P_ (()); | |
3109 | ||
3110 | void | |
3111 | syms_of_font () | |
3112 | { | |
3113 | sort_shift_bits[FONT_SLANT_INDEX] = 0; | |
3114 | sort_shift_bits[FONT_WEIGHT_INDEX] = 7; | |
3115 | sort_shift_bits[FONT_SIZE_INDEX] = 14; | |
3116 | sort_shift_bits[FONT_WIDTH_INDEX] = 21; | |
3117 | sort_shift_bits[FONT_ADSTYLE_INDEX] = 28; | |
3118 | sort_shift_bits[FONT_FOUNDRY_INDEX] = 29; | |
3119 | sort_shift_bits[FONT_FAMILY_INDEX] = 30; | |
3120 | sort_shift_bits[FONT_REGISTRY_INDEX] = 31; | |
3121 | /* Note that sort_shift_bits[FONT_SLANT_TYPE] is never used. */ | |
3122 | ||
3123 | staticpro (&font_style_table); | |
3124 | font_style_table = Fmake_vector (make_number (3), Qnil); | |
3125 | ||
3126 | staticpro (&font_family_alist); | |
3127 | font_family_alist = Qnil; | |
3128 | ||
3129 | DEFSYM (Qfontp, "fontp"); | |
3130 | ||
1bb1d99b KH |
3131 | DEFSYM (Qiso8859_1, "iso8859-1"); |
3132 | DEFSYM (Qiso10646_1, "iso10646-1"); | |
3133 | DEFSYM (Qunicode_bmp, "unicode-bmp"); | |
3134 | ||
c2f5bfd6 KH |
3135 | DEFSYM (QCotf, ":otf"); |
3136 | DEFSYM (QClanguage, ":language"); | |
3137 | DEFSYM (QCscript, ":script"); | |
3138 | ||
3139 | DEFSYM (QCfoundry, ":foundry"); | |
3140 | DEFSYM (QCadstyle, ":adstyle"); | |
3141 | DEFSYM (QCregistry, ":registry"); | |
9331887d KH |
3142 | DEFSYM (QCspacing, ":spacing"); |
3143 | DEFSYM (QCdpi, ":dpi"); | |
c2f5bfd6 KH |
3144 | DEFSYM (QCextra, ":extra"); |
3145 | ||
3146 | staticpro (&null_string); | |
3147 | null_string = build_string (""); | |
3148 | staticpro (&null_vector); | |
3149 | null_vector = Fmake_vector (make_number (0), Qnil); | |
3150 | ||
3151 | staticpro (&scratch_font_spec); | |
3152 | scratch_font_spec = Ffont_spec (0, NULL); | |
3153 | staticpro (&scratch_font_prefer); | |
3154 | scratch_font_prefer = Ffont_spec (0, NULL); | |
3155 | ||
3156 | defsubr (&Sfontp); | |
3157 | defsubr (&Sfont_spec); | |
3158 | defsubr (&Sfont_get); | |
3159 | defsubr (&Sfont_put); | |
3160 | defsubr (&Slist_fonts); | |
3161 | defsubr (&Slist_families); | |
3162 | defsubr (&Sfind_font); | |
3163 | defsubr (&Sfont_xlfd_name); | |
3164 | defsubr (&Sclear_font_cache); | |
3165 | defsubr (&Sinternal_set_font_style_table); | |
3166 | defsubr (&Sfont_make_gstring); | |
3167 | defsubr (&Sfont_fill_gstring); | |
3168 | ||
3169 | #ifdef FONT_DEBUG | |
3170 | defsubr (&Sopen_font); | |
3171 | defsubr (&Sclose_font); | |
3172 | defsubr (&Squery_font); | |
3173 | defsubr (&Sget_font_glyphs); | |
3174 | #if 0 | |
3175 | defsubr (&Sdraw_string); | |
3176 | #endif | |
3177 | #endif /* FONT_DEBUG */ | |
3178 | ||
3179 | #ifdef HAVE_FREETYPE | |
3180 | syms_of_ftfont (); | |
3181 | #ifdef HAVE_X_WINDOWS | |
3182 | syms_of_xfont (); | |
3183 | syms_of_ftxfont (); | |
3184 | #ifdef HAVE_XFT | |
3185 | syms_of_xftfont (); | |
3186 | #endif /* HAVE_XFT */ | |
3187 | #endif /* HAVE_X_WINDOWS */ | |
3188 | #else /* not HAVE_FREETYPE */ | |
3189 | #ifdef HAVE_X_WINDOWS | |
3190 | syms_of_xfont (); | |
3191 | #endif /* HAVE_X_WINDOWS */ | |
3192 | #endif /* not HAVE_FREETYPE */ | |
3193 | #ifdef HAVE_BDFFONT | |
3194 | syms_of_bdffont (); | |
3195 | #endif /* HAVE_BDFFONT */ | |
3196 | #ifdef WINDOWSNT | |
3197 | syms_of_w32font (); | |
3198 | #endif /* WINDOWSNT */ | |
3199 | #ifdef MAC_OS | |
3200 | syms_of_atmfont (); | |
3201 | #endif /* MAC_OS */ | |
3202 | } | |
885b7d09 MB |
3203 | |
3204 | /* arch-tag: 74c9475d-5976-4c93-a327-942ae3072846 | |
3205 | (do not change this comment) */ |