Commit | Line | Data |
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c2f5bfd6 | 1 | /* font.c -- "Font" primitives. |
76b6f707 GM |
2 | Copyright (C) 2006, 2007, 2008, 2009 Free Software Foundation, Inc. |
3 | Copyright (C) 2006, 2007, 2008, 2009 | |
c2f5bfd6 KH |
4 | National Institute of Advanced Industrial Science and Technology (AIST) |
5 | Registration Number H13PRO009 | |
6 | ||
7 | This file is part of GNU Emacs. | |
8 | ||
9ec0b715 | 9 | GNU Emacs is free software: you can redistribute it and/or modify |
c2f5bfd6 | 10 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
11 | the Free Software Foundation, either version 3 of the License, or |
12 | (at your option) any later version. | |
c2f5bfd6 KH |
13 | |
14 | GNU Emacs is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 20 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
c2f5bfd6 KH |
21 | |
22 | #include <config.h> | |
23 | #include <stdio.h> | |
24 | #include <stdlib.h> | |
25 | #include <ctype.h> | |
d7306fe6 | 26 | #include <setjmp.h> |
c2f5bfd6 KH |
27 | |
28 | #include "lisp.h" | |
29 | #include "buffer.h" | |
30 | #include "frame.h" | |
10d16101 | 31 | #include "window.h" |
c2f5bfd6 KH |
32 | #include "dispextern.h" |
33 | #include "charset.h" | |
34 | #include "character.h" | |
35 | #include "composite.h" | |
36 | #include "fontset.h" | |
37 | #include "font.h" | |
38 | ||
43c0454d KH |
39 | #ifdef HAVE_X_WINDOWS |
40 | #include "xterm.h" | |
41 | #endif /* HAVE_X_WINDOWS */ | |
42 | ||
43 | #ifdef HAVE_NTGUI | |
44 | #include "w32term.h" | |
45 | #endif /* HAVE_NTGUI */ | |
46 | ||
edfda783 AR |
47 | #ifdef HAVE_NS |
48 | #include "nsterm.h" | |
49 | #endif /* HAVE_NS */ | |
50 | ||
ed96cde8 AR |
51 | #ifdef HAVE_NS |
52 | extern Lisp_Object Qfontsize; | |
53 | #endif | |
c2f5bfd6 | 54 | |
e0708580 KH |
55 | Lisp_Object Qopentype; |
56 | ||
35027d0c | 57 | /* Important character set strings. */ |
9e1bb909 | 58 | Lisp_Object Qascii_0, Qiso8859_1, Qiso10646_1, Qunicode_bmp, Qunicode_sip; |
1bb1d99b | 59 | |
edfda783 | 60 | #define DEFAULT_ENCODING Qiso8859_1 |
edfda783 | 61 | |
071132a9 KH |
62 | /* Unicode category `Cf'. */ |
63 | static Lisp_Object QCf; | |
64 | ||
c2f5bfd6 KH |
65 | /* Special vector of zero length. This is repeatedly used by (struct |
66 | font_driver *)->list when a specified font is not found. */ | |
35027d0c | 67 | static Lisp_Object null_vector; |
c2f5bfd6 | 68 | |
d0ab1ebe KH |
69 | static Lisp_Object Vfont_weight_table, Vfont_slant_table, Vfont_width_table; |
70 | ||
71 | /* Vector of Vfont_weight_table, Vfont_slant_table, and Vfont_width_table. */ | |
c2f5bfd6 KH |
72 | static Lisp_Object font_style_table; |
73 | ||
d0ab1ebe KH |
74 | /* Structure used for tables mapping weight, slant, and width numeric |
75 | values and their names. */ | |
76 | ||
77 | struct table_entry | |
78 | { | |
79 | int numeric; | |
80 | /* The first one is a valid name as a face attribute. | |
81 | The second one (if any) is a typical name in XLFD field. */ | |
5e2327cf | 82 | const char *names[5]; |
d0ab1ebe KH |
83 | }; |
84 | ||
85 | /* Table of weight numeric values and their names. This table must be | |
86 | sorted by numeric values in ascending order. */ | |
87 | ||
5e2327cf | 88 | static const struct table_entry weight_table[] = |
d0ab1ebe KH |
89 | { |
90 | { 0, { "thin" }}, | |
91 | { 20, { "ultra-light", "ultralight" }}, | |
92 | { 40, { "extra-light", "extralight" }}, | |
93 | { 50, { "light" }}, | |
94 | { 75, { "semi-light", "semilight", "demilight", "book" }}, | |
c2694a06 | 95 | { 100, { "normal", "medium", "regular", "unspecified" }}, |
d0ab1ebe KH |
96 | { 180, { "semi-bold", "semibold", "demibold", "demi" }}, |
97 | { 200, { "bold" }}, | |
98 | { 205, { "extra-bold", "extrabold" }}, | |
99 | { 210, { "ultra-bold", "ultrabold", "black" }} | |
100 | }; | |
101 | ||
102 | /* Table of slant numeric values and their names. This table must be | |
103 | sorted by numeric values in ascending order. */ | |
104 | ||
5e2327cf | 105 | static const struct table_entry slant_table[] = |
d0ab1ebe KH |
106 | { |
107 | { 0, { "reverse-oblique", "ro" }}, | |
108 | { 10, { "reverse-italic", "ri" }}, | |
c2694a06 | 109 | { 100, { "normal", "r", "unspecified" }}, |
d0ab1ebe KH |
110 | { 200, { "italic" ,"i", "ot" }}, |
111 | { 210, { "oblique", "o" }} | |
112 | }; | |
113 | ||
114 | /* Table of width numeric values and their names. This table must be | |
115 | sorted by numeric values in ascending order. */ | |
116 | ||
5e2327cf | 117 | static const struct table_entry width_table[] = |
d0ab1ebe KH |
118 | { |
119 | { 50, { "ultra-condensed", "ultracondensed" }}, | |
120 | { 63, { "extra-condensed", "extracondensed" }}, | |
121 | { 75, { "condensed", "compressed", "narrow" }}, | |
122 | { 87, { "semi-condensed", "semicondensed", "demicondensed" }}, | |
c2694a06 | 123 | { 100, { "normal", "medium", "regular", "unspecified" }}, |
d0ab1ebe KH |
124 | { 113, { "semi-expanded", "semiexpanded", "demiexpanded" }}, |
125 | { 125, { "expanded" }}, | |
126 | { 150, { "extra-expanded", "extraexpanded" }}, | |
127 | { 200, { "ultra-expanded", "ultraexpanded", "wide" }} | |
128 | }; | |
129 | ||
35027d0c | 130 | extern Lisp_Object Qnormal; |
c2f5bfd6 KH |
131 | |
132 | /* Symbols representing keys of normal font properties. */ | |
b1868a1a CY |
133 | extern Lisp_Object QCtype, QCfamily, QCweight, QCslant, QCwidth; |
134 | extern Lisp_Object QCheight, QCsize, QCname; | |
135 | ||
35027d0c | 136 | Lisp_Object QCfoundry, QCadstyle, QCregistry; |
c2f5bfd6 | 137 | /* Symbols representing keys of font extra info. */ |
35027d0c KH |
138 | Lisp_Object QCspacing, QCdpi, QCscalable, QCotf, QClang, QCscript, QCavgwidth; |
139 | Lisp_Object QCantialias, QCfont_entity, QCfc_unknown_spec; | |
ec6fe57c KH |
140 | /* Symbols representing values of font spacing property. */ |
141 | Lisp_Object Qc, Qm, Qp, Qd; | |
cf702558 CY |
142 | /* Special ADSTYLE properties to avoid fonts used for Latin |
143 | characters; used in xfont.c and ftfont.c. */ | |
144 | Lisp_Object Qja, Qko; | |
c2f5bfd6 | 145 | |
819e81df KH |
146 | Lisp_Object Vfont_encoding_alist; |
147 | ||
1701724c KH |
148 | /* Alist of font registry symbol and the corresponding charsets |
149 | information. The information is retrieved from | |
150 | Vfont_encoding_alist on demand. | |
151 | ||
152 | Eash element has the form: | |
153 | (REGISTRY . (ENCODING-CHARSET-ID . REPERTORY-CHARSET-ID)) | |
154 | or | |
155 | (REGISTRY . nil) | |
156 | ||
157 | In the former form, ENCODING-CHARSET-ID is an ID of a charset that | |
158 | encodes a character code to a glyph code of a font, and | |
159 | REPERTORY-CHARSET-ID is an ID of a charset that tells if a | |
160 | character is supported by a font. | |
161 | ||
162 | The latter form means that the information for REGISTRY couldn't be | |
163 | retrieved. */ | |
164 | static Lisp_Object font_charset_alist; | |
165 | ||
f697fff0 KH |
166 | /* List of all font drivers. Each font-backend (XXXfont.c) calls |
167 | register_font_driver in syms_of_XXXfont to register its font-driver | |
c2f5bfd6 KH |
168 | here. */ |
169 | static struct font_driver_list *font_driver_list; | |
170 | ||
35027d0c KH |
171 | \f |
172 | ||
173 | /* Creaters of font-related Lisp object. */ | |
174 | ||
175 | Lisp_Object | |
176 | font_make_spec () | |
177 | { | |
178 | Lisp_Object font_spec; | |
179 | struct font_spec *spec | |
180 | = ((struct font_spec *) | |
181 | allocate_pseudovector (VECSIZE (struct font_spec), | |
182 | FONT_SPEC_MAX, PVEC_FONT)); | |
183 | XSETFONT (font_spec, spec); | |
184 | return font_spec; | |
185 | } | |
186 | ||
187 | Lisp_Object | |
188 | font_make_entity () | |
189 | { | |
190 | Lisp_Object font_entity; | |
191 | struct font_entity *entity | |
192 | = ((struct font_entity *) | |
193 | allocate_pseudovector (VECSIZE (struct font_entity), | |
194 | FONT_ENTITY_MAX, PVEC_FONT)); | |
195 | XSETFONT (font_entity, entity); | |
196 | return font_entity; | |
197 | } | |
198 | ||
51c13510 KH |
199 | /* Create a font-object whose structure size is SIZE. If ENTITY is |
200 | not nil, copy properties from ENTITY to the font-object. If | |
201 | PIXELSIZE is positive, set the `size' property to PIXELSIZE. */ | |
35027d0c | 202 | Lisp_Object |
51c13510 | 203 | font_make_object (size, entity, pixelsize) |
35027d0c | 204 | int size; |
51c13510 KH |
205 | Lisp_Object entity; |
206 | int pixelsize; | |
35027d0c KH |
207 | { |
208 | Lisp_Object font_object; | |
209 | struct font *font | |
210 | = (struct font *) allocate_pseudovector (size, FONT_OBJECT_MAX, PVEC_FONT); | |
51c13510 KH |
211 | int i; |
212 | ||
35027d0c KH |
213 | XSETFONT (font_object, font); |
214 | ||
51c13510 KH |
215 | if (! NILP (entity)) |
216 | { | |
217 | for (i = 1; i < FONT_SPEC_MAX; i++) | |
218 | font->props[i] = AREF (entity, i); | |
219 | if (! NILP (AREF (entity, FONT_EXTRA_INDEX))) | |
220 | font->props[FONT_EXTRA_INDEX] | |
581e51e8 | 221 | = Fcopy_alist (AREF (entity, FONT_EXTRA_INDEX)); |
51c13510 KH |
222 | } |
223 | if (size > 0) | |
224 | font->props[FONT_SIZE_INDEX] = make_number (pixelsize); | |
35027d0c KH |
225 | return font_object; |
226 | } | |
227 | ||
228 | \f | |
229 | ||
ec6fe57c | 230 | static int font_pixel_size P_ ((FRAME_PTR f, Lisp_Object)); |
c2f5bfd6 | 231 | static Lisp_Object font_open_entity P_ ((FRAME_PTR, Lisp_Object, int)); |
35027d0c KH |
232 | static Lisp_Object font_matching_entity P_ ((FRAME_PTR, Lisp_Object *, |
233 | Lisp_Object)); | |
c2f5bfd6 KH |
234 | |
235 | /* Number of registered font drivers. */ | |
236 | static int num_font_drivers; | |
237 | ||
35027d0c KH |
238 | |
239 | /* Return a Lispy value of a font property value at STR and LEN bytes. | |
240 | If STR is "*", it returns nil. | |
2f286d4f KH |
241 | If FORCE_SYMBOL is zero and all characters in STR are digits, it |
242 | returns an integer. Otherwise, it returns a symbol interned from | |
243 | STR. */ | |
35027d0c KH |
244 | |
245 | Lisp_Object | |
2f286d4f | 246 | font_intern_prop (str, len, force_symbol) |
35027d0c KH |
247 | char *str; |
248 | int len; | |
2f286d4f | 249 | int force_symbol; |
35027d0c KH |
250 | { |
251 | int i; | |
d0ab1ebe | 252 | Lisp_Object tem; |
35027d0c | 253 | Lisp_Object obarray; |
545312c2 | 254 | int nbytes, nchars; |
35027d0c KH |
255 | |
256 | if (len == 1 && *str == '*') | |
257 | return Qnil; | |
2f286d4f | 258 | if (!force_symbol && len >=1 && isdigit (*str)) |
35027d0c KH |
259 | { |
260 | for (i = 1; i < len; i++) | |
261 | if (! isdigit (str[i])) | |
262 | break; | |
263 | if (i == len) | |
264 | return make_number (atoi (str)); | |
265 | } | |
266 | ||
545312c2 KH |
267 | /* The following code is copied from the function intern (in |
268 | lread.c), and modified to suite our purpose. */ | |
35027d0c KH |
269 | obarray = Vobarray; |
270 | if (!VECTORP (obarray) || XVECTOR (obarray)->size == 0) | |
271 | obarray = check_obarray (obarray); | |
72d36834 | 272 | parse_str_as_multibyte ((unsigned char *) str, len, &nchars, &nbytes); |
545312c2 KH |
273 | if (len == nchars || len != nbytes) |
274 | /* CONTENTS contains no multibyte sequences or contains an invalid | |
275 | multibyte sequence. We'll make a unibyte string. */ | |
276 | tem = oblookup (obarray, str, len, len); | |
277 | else | |
278 | tem = oblookup (obarray, str, nchars, len); | |
35027d0c KH |
279 | if (SYMBOLP (tem)) |
280 | return tem; | |
545312c2 KH |
281 | if (len == nchars || len != nbytes) |
282 | tem = make_unibyte_string (str, len); | |
283 | else | |
284 | tem = make_multibyte_string (str, nchars, len); | |
285 | return Fintern (tem, obarray); | |
35027d0c KH |
286 | } |
287 | ||
9331887d | 288 | /* Return a pixel size of font-spec SPEC on frame F. */ |
ec6fe57c | 289 | |
9331887d KH |
290 | static int |
291 | font_pixel_size (f, spec) | |
292 | FRAME_PTR f; | |
293 | Lisp_Object spec; | |
294 | { | |
819e81df | 295 | #ifdef HAVE_WINDOW_SYSTEM |
9331887d KH |
296 | Lisp_Object size = AREF (spec, FONT_SIZE_INDEX); |
297 | double point_size; | |
35027d0c | 298 | int dpi, pixel_size; |
d0ab1ebe | 299 | Lisp_Object val; |
51c01100 | 300 | |
9331887d KH |
301 | if (INTEGERP (size)) |
302 | return XINT (size); | |
303 | if (NILP (size)) | |
819e81df | 304 | return 0; |
d0ab1ebe | 305 | font_assert (FLOATP (size)); |
9331887d | 306 | point_size = XFLOAT_DATA (size); |
35027d0c KH |
307 | val = AREF (spec, FONT_DPI_INDEX); |
308 | if (INTEGERP (val)) | |
17e28f6d | 309 | dpi = XINT (val); |
9331887d KH |
310 | else |
311 | dpi = f->resy; | |
312 | pixel_size = POINT_TO_PIXEL (point_size, dpi); | |
313 | return pixel_size; | |
819e81df KH |
314 | #else |
315 | return 1; | |
316 | #endif | |
9331887d KH |
317 | } |
318 | ||
c2f5bfd6 | 319 | |
35027d0c KH |
320 | /* Return a value of PROP's VAL (symbol or integer) to be stored in a |
321 | font vector. If VAL is not valid (i.e. not registered in | |
322 | font_style_table), return -1 if NOERROR is zero, and return a | |
323 | proper index if NOERROR is nonzero. In that case, register VAL in | |
324 | font_style_table if VAL is a symbol, and return a closest index if | |
325 | VAL is an integer. */ | |
c2f5bfd6 | 326 | |
35027d0c KH |
327 | int |
328 | font_style_to_value (prop, val, noerror) | |
c2f5bfd6 | 329 | enum font_property_index prop; |
35027d0c KH |
330 | Lisp_Object val; |
331 | int noerror; | |
c2f5bfd6 | 332 | { |
35027d0c KH |
333 | Lisp_Object table = AREF (font_style_table, prop - FONT_WEIGHT_INDEX); |
334 | int len = ASIZE (table); | |
d0ab1ebe | 335 | int i, j; |
c2f5bfd6 | 336 | |
35027d0c | 337 | if (SYMBOLP (val)) |
c2f5bfd6 | 338 | { |
72606e45 | 339 | unsigned char *s; |
35027d0c KH |
340 | Lisp_Object args[2], elt; |
341 | ||
342 | /* At first try exact match. */ | |
343 | for (i = 0; i < len; i++) | |
d0ab1ebe KH |
344 | for (j = 1; j < ASIZE (AREF (table, i)); j++) |
345 | if (EQ (val, AREF (AREF (table, i), j))) | |
346 | return ((XINT (AREF (AREF (table, i), 0)) << 8) | |
347 | | (i << 4) | (j - 1)); | |
35027d0c | 348 | /* Try also with case-folding match. */ |
72606e45 | 349 | s = SDATA (SYMBOL_NAME (val)); |
35027d0c | 350 | for (i = 0; i < len; i++) |
d0ab1ebe KH |
351 | for (j = 1; j < ASIZE (AREF (table, i)); j++) |
352 | { | |
353 | elt = AREF (AREF (table, i), j); | |
72606e45 | 354 | if (xstrcasecmp (s, SDATA (SYMBOL_NAME (elt))) == 0) |
d0ab1ebe KH |
355 | return ((XINT (AREF (AREF (table, i), 0)) << 8) |
356 | | (i << 4) | (j - 1)); | |
357 | } | |
35027d0c KH |
358 | if (! noerror) |
359 | return -1; | |
360 | if (len == 255) | |
361 | abort (); | |
c2694a06 | 362 | elt = Fmake_vector (make_number (2), make_number (100)); |
d0ab1ebe | 363 | ASET (elt, 1, val); |
35027d0c | 364 | args[0] = table; |
d0ab1ebe | 365 | args[1] = Fmake_vector (make_number (1), elt); |
35027d0c | 366 | ASET (font_style_table, prop - FONT_WEIGHT_INDEX, Fvconcat (2, args)); |
c2694a06 | 367 | return (100 << 8) | (i << 4); |
c2f5bfd6 | 368 | } |
35027d0c KH |
369 | else |
370 | { | |
d0ab1ebe | 371 | int i, last_n; |
35027d0c | 372 | int numeric = XINT (val); |
c2f5bfd6 | 373 | |
d0ab1ebe | 374 | for (i = 0, last_n = -1; i < len; i++) |
35027d0c | 375 | { |
d0ab1ebe | 376 | int n = XINT (AREF (AREF (table, i), 0)); |
c2f5bfd6 | 377 | |
35027d0c | 378 | if (numeric == n) |
d0ab1ebe | 379 | return (n << 8) | (i << 4); |
35027d0c KH |
380 | if (numeric < n) |
381 | { | |
382 | if (! noerror) | |
383 | return -1; | |
d0ab1ebe KH |
384 | return ((i == 0 || n - numeric < numeric - last_n) |
385 | ? (n << 8) | (i << 4): (last_n << 8 | ((i - 1) << 4))); | |
35027d0c | 386 | } |
35027d0c | 387 | last_n = n; |
35027d0c KH |
388 | } |
389 | if (! noerror) | |
390 | return -1; | |
d0ab1ebe | 391 | return ((last_n << 8) | ((i - 1) << 4)); |
35027d0c KH |
392 | } |
393 | } | |
c2f5bfd6 KH |
394 | |
395 | Lisp_Object | |
3ef8c1b4 JR |
396 | font_style_symbolic (font, prop, for_face) |
397 | Lisp_Object font; | |
35027d0c KH |
398 | enum font_property_index prop; |
399 | int for_face; | |
c2f5bfd6 | 400 | { |
3ef8c1b4 | 401 | Lisp_Object val = AREF (font, prop); |
d0ab1ebe KH |
402 | Lisp_Object table, elt; |
403 | int i; | |
c2f5bfd6 | 404 | |
35027d0c KH |
405 | if (NILP (val)) |
406 | return Qnil; | |
407 | table = AREF (font_style_table, prop - FONT_WEIGHT_INDEX); | |
d0ab1ebe KH |
408 | i = XINT (val) & 0xFF; |
409 | font_assert (((i >> 4) & 0xF) < ASIZE (table)); | |
410 | elt = AREF (table, ((i >> 4) & 0xF)); | |
411 | font_assert ((i & 0xF) + 1 < ASIZE (elt)); | |
ba3de0e8 | 412 | return (for_face ? AREF (elt, 1) : AREF (elt, (i & 0xF) + 1)); |
6fe9826d JR |
413 | } |
414 | ||
c2f5bfd6 KH |
415 | extern Lisp_Object Vface_alternative_font_family_alist; |
416 | ||
1701724c KH |
417 | extern Lisp_Object find_font_encoding P_ ((Lisp_Object)); |
418 | ||
35027d0c | 419 | |
819e81df KH |
420 | /* Return ENCODING or a cons of ENCODING and REPERTORY of the font |
421 | FONTNAME. ENCODING is a charset symbol that specifies the encoding | |
422 | of the font. REPERTORY is a charset symbol or nil. */ | |
423 | ||
424 | Lisp_Object | |
425 | find_font_encoding (fontname) | |
426 | Lisp_Object fontname; | |
427 | { | |
428 | Lisp_Object tail, elt; | |
429 | ||
430 | for (tail = Vfont_encoding_alist; CONSP (tail); tail = XCDR (tail)) | |
431 | { | |
432 | elt = XCAR (tail); | |
433 | if (CONSP (elt) | |
434 | && STRINGP (XCAR (elt)) | |
435 | && fast_string_match_ignore_case (XCAR (elt), fontname) >= 0 | |
436 | && (SYMBOLP (XCDR (elt)) | |
437 | ? CHARSETP (XCDR (elt)) | |
438 | : CONSP (XCDR (elt)) && CHARSETP (XCAR (XCDR (elt))))) | |
439 | return (XCDR (elt)); | |
440 | } | |
182ba28c | 441 | return Qnil; |
819e81df KH |
442 | } |
443 | ||
1701724c KH |
444 | /* Return encoding charset and repertory charset for REGISTRY in |
445 | ENCODING and REPERTORY correspondingly. If correct information for | |
446 | REGISTRY is available, return 0. Otherwise return -1. */ | |
447 | ||
448 | int | |
449 | font_registry_charsets (registry, encoding, repertory) | |
450 | Lisp_Object registry; | |
451 | struct charset **encoding, **repertory; | |
452 | { | |
453 | Lisp_Object val; | |
454 | int encoding_id, repertory_id; | |
455 | ||
35027d0c | 456 | val = Fassoc_string (registry, font_charset_alist, Qt); |
1701724c KH |
457 | if (! NILP (val)) |
458 | { | |
459 | val = XCDR (val); | |
460 | if (NILP (val)) | |
461 | return -1; | |
462 | encoding_id = XINT (XCAR (val)); | |
463 | repertory_id = XINT (XCDR (val)); | |
464 | } | |
465 | else | |
466 | { | |
467 | val = find_font_encoding (SYMBOL_NAME (registry)); | |
468 | if (SYMBOLP (val) && CHARSETP (val)) | |
469 | { | |
470 | encoding_id = repertory_id = XINT (CHARSET_SYMBOL_ID (val)); | |
471 | } | |
472 | else if (CONSP (val)) | |
473 | { | |
474 | if (! CHARSETP (XCAR (val))) | |
475 | goto invalid_entry; | |
476 | encoding_id = XINT (CHARSET_SYMBOL_ID (XCAR (val))); | |
477 | if (NILP (XCDR (val))) | |
478 | repertory_id = -1; | |
479 | else | |
480 | { | |
481 | if (! CHARSETP (XCDR (val))) | |
482 | goto invalid_entry; | |
483 | repertory_id = XINT (CHARSET_SYMBOL_ID (XCDR (val))); | |
484 | } | |
51c01100 | 485 | } |
1701724c KH |
486 | else |
487 | goto invalid_entry; | |
488 | val = Fcons (make_number (encoding_id), make_number (repertory_id)); | |
489 | font_charset_alist | |
490 | = nconc2 (font_charset_alist, Fcons (Fcons (registry, val), Qnil)); | |
491 | } | |
492 | ||
493 | if (encoding) | |
494 | *encoding = CHARSET_FROM_ID (encoding_id); | |
495 | if (repertory) | |
496 | *repertory = repertory_id >= 0 ? CHARSET_FROM_ID (repertory_id) : NULL; | |
497 | return 0; | |
498 | ||
499 | invalid_entry: | |
500 | font_charset_alist | |
501 | = nconc2 (font_charset_alist, Fcons (Fcons (registry, Qnil), Qnil)); | |
502 | return -1; | |
503 | } | |
504 | ||
c2f5bfd6 | 505 | \f |
45eb10fb KH |
506 | /* Font property value validaters. See the comment of |
507 | font_property_table for the meaning of the arguments. */ | |
508 | ||
35027d0c | 509 | static Lisp_Object font_prop_validate P_ ((int, Lisp_Object, Lisp_Object)); |
45eb10fb KH |
510 | static Lisp_Object font_prop_validate_symbol P_ ((Lisp_Object, Lisp_Object)); |
511 | static Lisp_Object font_prop_validate_style P_ ((Lisp_Object, Lisp_Object)); | |
512 | static Lisp_Object font_prop_validate_non_neg P_ ((Lisp_Object, Lisp_Object)); | |
513 | static Lisp_Object font_prop_validate_spacing P_ ((Lisp_Object, Lisp_Object)); | |
35027d0c | 514 | static int get_font_prop_index P_ ((Lisp_Object)); |
c2f5bfd6 KH |
515 | |
516 | static Lisp_Object | |
45eb10fb | 517 | font_prop_validate_symbol (prop, val) |
ec6fe57c | 518 | Lisp_Object prop, val; |
c2f5bfd6 KH |
519 | { |
520 | if (STRINGP (val)) | |
35027d0c KH |
521 | val = Fintern (val, Qnil); |
522 | if (! SYMBOLP (val)) | |
c2f5bfd6 | 523 | val = Qerror; |
35027d0c KH |
524 | else if (EQ (prop, QCregistry)) |
525 | val = Fintern (Fdowncase (SYMBOL_NAME (val)), Qnil); | |
c2f5bfd6 KH |
526 | return val; |
527 | } | |
528 | ||
35027d0c | 529 | |
c2f5bfd6 | 530 | static Lisp_Object |
35027d0c KH |
531 | font_prop_validate_style (style, val) |
532 | Lisp_Object style, val; | |
c2f5bfd6 | 533 | { |
35027d0c KH |
534 | enum font_property_index prop = (EQ (style, QCweight) ? FONT_WEIGHT_INDEX |
535 | : EQ (style, QCslant) ? FONT_SLANT_INDEX | |
536 | : FONT_WIDTH_INDEX); | |
537 | int n; | |
538 | if (INTEGERP (val)) | |
c2f5bfd6 | 539 | { |
35027d0c | 540 | n = XINT (val); |
64b900e3 | 541 | if (((n >> 4) & 0xF) |
35027d0c | 542 | >= ASIZE (AREF (font_style_table, prop - FONT_WEIGHT_INDEX))) |
c2f5bfd6 KH |
543 | val = Qerror; |
544 | else | |
545 | { | |
64b900e3 KH |
546 | Lisp_Object elt = AREF (AREF (font_style_table, prop - FONT_WEIGHT_INDEX), (n >> 4) & 0xF); |
547 | ||
548 | if ((n & 0xF) + 1 >= ASIZE (elt)) | |
549 | val = Qerror; | |
550 | else if (XINT (AREF (elt, 0)) != (n >> 8)) | |
c2f5bfd6 KH |
551 | val = Qerror; |
552 | } | |
553 | } | |
35027d0c KH |
554 | else if (SYMBOLP (val)) |
555 | { | |
556 | int n = font_style_to_value (prop, val, 0); | |
557 | ||
558 | val = n >= 0 ? make_number (n) : Qerror; | |
559 | } | |
560 | else | |
561 | val = Qerror; | |
c2f5bfd6 KH |
562 | return val; |
563 | } | |
564 | ||
565 | static Lisp_Object | |
45eb10fb | 566 | font_prop_validate_non_neg (prop, val) |
ec6fe57c | 567 | Lisp_Object prop, val; |
c2f5bfd6 KH |
568 | { |
569 | return (NATNUMP (val) || (FLOATP (val) && XFLOAT_DATA (val) >= 0) | |
570 | ? val : Qerror); | |
571 | } | |
572 | ||
573 | static Lisp_Object | |
45eb10fb | 574 | font_prop_validate_spacing (prop, val) |
ec6fe57c KH |
575 | Lisp_Object prop, val; |
576 | { | |
577 | if (NILP (val) || (NATNUMP (val) && XINT (val) <= FONT_SPACING_CHARCELL)) | |
578 | return val; | |
3692570f KH |
579 | if (SYMBOLP (val) && SBYTES (SYMBOL_NAME (val)) == 1) |
580 | { | |
581 | char spacing = SDATA (SYMBOL_NAME (val))[0]; | |
582 | ||
583 | if (spacing == 'c' || spacing == 'C') | |
584 | return make_number (FONT_SPACING_CHARCELL); | |
585 | if (spacing == 'm' || spacing == 'M') | |
586 | return make_number (FONT_SPACING_MONO); | |
0615d903 | 587 | if (spacing == 'p' || spacing == 'P') |
3692570f KH |
588 | return make_number (FONT_SPACING_PROPORTIONAL); |
589 | if (spacing == 'd' || spacing == 'D') | |
590 | return make_number (FONT_SPACING_DUAL); | |
591 | } | |
ec6fe57c KH |
592 | return Qerror; |
593 | } | |
594 | ||
1701724c KH |
595 | static Lisp_Object |
596 | font_prop_validate_otf (prop, val) | |
597 | Lisp_Object prop, val; | |
598 | { | |
599 | Lisp_Object tail, tmp; | |
600 | int i; | |
601 | ||
602 | /* VAL = (SCRIPT [ LANGSYS [ GSUB-FEATURES [ GPOS-FEATURES ]]]) | |
603 | GSUB-FEATURES = (FEATURE ... [ nil FEATURE ... ]) | nil | |
604 | GPOS-FEATURES = (FEATURE ... [ nil FEATURE ... ]) | nil */ | |
605 | if (! CONSP (val)) | |
606 | return Qerror; | |
607 | if (! SYMBOLP (XCAR (val))) | |
608 | return Qerror; | |
609 | tail = XCDR (val); | |
610 | if (NILP (tail)) | |
611 | return val; | |
612 | if (! CONSP (tail) || ! SYMBOLP (XCAR (val))) | |
613 | return Qerror; | |
614 | for (i = 0; i < 2; i++) | |
615 | { | |
616 | tail = XCDR (tail); | |
617 | if (NILP (tail)) | |
618 | return val; | |
619 | if (! CONSP (tail)) | |
620 | return Qerror; | |
621 | for (tmp = XCAR (tail); CONSP (tmp); tmp = XCDR (tmp)) | |
622 | if (! SYMBOLP (XCAR (tmp))) | |
623 | return Qerror; | |
624 | if (! NILP (tmp)) | |
625 | return Qerror; | |
626 | } | |
627 | return val; | |
628 | } | |
629 | ||
ec6fe57c KH |
630 | /* Structure of known font property keys and validater of the |
631 | values. */ | |
c2f5bfd6 KH |
632 | struct |
633 | { | |
ec6fe57c | 634 | /* Pointer to the key symbol. */ |
c2f5bfd6 | 635 | Lisp_Object *key; |
45eb10fb KH |
636 | /* Function to validate PROP's value VAL, or NULL if any value is |
637 | ok. The value is VAL or its regularized value if VAL is valid, | |
638 | and Qerror if not. */ | |
639 | Lisp_Object (*validater) P_ ((Lisp_Object prop, Lisp_Object val)); | |
ec6fe57c KH |
640 | } font_property_table[] = |
641 | { { &QCtype, font_prop_validate_symbol }, | |
c2f5bfd6 KH |
642 | { &QCfoundry, font_prop_validate_symbol }, |
643 | { &QCfamily, font_prop_validate_symbol }, | |
644 | { &QCadstyle, font_prop_validate_symbol }, | |
645 | { &QCregistry, font_prop_validate_symbol }, | |
646 | { &QCweight, font_prop_validate_style }, | |
647 | { &QCslant, font_prop_validate_style }, | |
648 | { &QCwidth, font_prop_validate_style }, | |
ec6fe57c | 649 | { &QCsize, font_prop_validate_non_neg }, |
ec6fe57c KH |
650 | { &QCdpi, font_prop_validate_non_neg }, |
651 | { &QCspacing, font_prop_validate_spacing }, | |
35027d0c KH |
652 | { &QCavgwidth, font_prop_validate_non_neg }, |
653 | /* The order of the above entries must match with enum | |
654 | font_property_index. */ | |
655 | { &QClang, font_prop_validate_symbol }, | |
656 | { &QCscript, font_prop_validate_symbol }, | |
657 | { &QCotf, font_prop_validate_otf } | |
c2f5bfd6 KH |
658 | }; |
659 | ||
45eb10fb | 660 | /* Size (number of elements) of the above table. */ |
ec6fe57c KH |
661 | #define FONT_PROPERTY_TABLE_SIZE \ |
662 | ((sizeof font_property_table) / (sizeof *font_property_table)) | |
663 | ||
45eb10fb | 664 | /* Return an index number of font property KEY or -1 if KEY is not an |
35027d0c | 665 | already known property. */ |
45eb10fb | 666 | |
ec6fe57c | 667 | static int |
35027d0c | 668 | get_font_prop_index (key) |
c2f5bfd6 KH |
669 | Lisp_Object key; |
670 | { | |
35027d0c KH |
671 | int i; |
672 | ||
673 | for (i = 0; i < FONT_PROPERTY_TABLE_SIZE; i++) | |
674 | if (EQ (key, *font_property_table[i].key)) | |
675 | return i; | |
ec6fe57c | 676 | return -1; |
c2f5bfd6 KH |
677 | } |
678 | ||
35027d0c KH |
679 | /* Validate the font property. The property key is specified by the |
680 | symbol PROP, or the index IDX (if PROP is nil). If VAL is invalid, | |
681 | signal an error. The value is VAL or the regularized one. */ | |
45eb10fb | 682 | |
c2f5bfd6 | 683 | static Lisp_Object |
35027d0c KH |
684 | font_prop_validate (idx, prop, val) |
685 | int idx; | |
686 | Lisp_Object prop, val; | |
c2f5bfd6 | 687 | { |
35027d0c | 688 | Lisp_Object validated; |
c2f5bfd6 | 689 | |
1f09f444 KH |
690 | if (NILP (val)) |
691 | return val; | |
35027d0c KH |
692 | if (NILP (prop)) |
693 | prop = *font_property_table[idx].key; | |
694 | else | |
ec6fe57c | 695 | { |
35027d0c KH |
696 | idx = get_font_prop_index (prop); |
697 | if (idx < 0) | |
698 | return val; | |
ec6fe57c | 699 | } |
35027d0c KH |
700 | validated = (font_property_table[idx].validater) (prop, val); |
701 | if (EQ (validated, Qerror)) | |
702 | signal_error ("invalid font property", Fcons (prop, val)); | |
703 | return validated; | |
c2f5bfd6 | 704 | } |
51c01100 | 705 | |
35027d0c KH |
706 | |
707 | /* Store VAL as a value of extra font property PROP in FONT while | |
708 | keeping the sorting order. Don't check the validity of VAL. */ | |
45eb10fb | 709 | |
01dbeb0b | 710 | Lisp_Object |
ec6fe57c | 711 | font_put_extra (font, prop, val) |
9331887d | 712 | Lisp_Object font, prop, val; |
9331887d KH |
713 | { |
714 | Lisp_Object extra = AREF (font, FONT_EXTRA_INDEX); | |
ec6fe57c | 715 | Lisp_Object slot = (NILP (extra) ? Qnil : assq_no_quit (prop, extra)); |
9331887d KH |
716 | |
717 | if (NILP (slot)) | |
718 | { | |
35027d0c KH |
719 | Lisp_Object prev = Qnil; |
720 | ||
721 | while (CONSP (extra) | |
722 | && NILP (Fstring_lessp (prop, XCAR (XCAR (extra))))) | |
723 | prev = extra, extra = XCDR (extra); | |
581e51e8 | 724 | |
ce75f06e | 725 | if (NILP (prev)) |
581e51e8 | 726 | ASET (font, FONT_EXTRA_INDEX, Fcons (Fcons (prop, val), extra)); |
ce75f06e | 727 | else |
581e51e8 | 728 | XSETCDR (prev, Fcons (Fcons (prop, val), extra)); |
ce75f06e | 729 | |
ec6fe57c | 730 | return val; |
9331887d | 731 | } |
9331887d | 732 | XSETCDR (slot, val); |
483670b5 KH |
733 | if (NILP (val)) |
734 | ASET (font, FONT_EXTRA_INDEX, Fdelq (slot, extra)); | |
ec6fe57c | 735 | return val; |
9331887d KH |
736 | } |
737 | ||
c2f5bfd6 KH |
738 | \f |
739 | /* Font name parser and unparser */ | |
740 | ||
ec6fe57c KH |
741 | static int parse_matrix P_ ((char *)); |
742 | static int font_expand_wildcards P_ ((Lisp_Object *, int)); | |
743 | static int font_parse_name P_ ((char *, Lisp_Object)); | |
c2f5bfd6 | 744 | |
ec6fe57c | 745 | /* An enumerator for each field of an XLFD font name. */ |
c2f5bfd6 KH |
746 | enum xlfd_field_index |
747 | { | |
748 | XLFD_FOUNDRY_INDEX, | |
749 | XLFD_FAMILY_INDEX, | |
750 | XLFD_WEIGHT_INDEX, | |
751 | XLFD_SLANT_INDEX, | |
752 | XLFD_SWIDTH_INDEX, | |
753 | XLFD_ADSTYLE_INDEX, | |
4485a28e KH |
754 | XLFD_PIXEL_INDEX, |
755 | XLFD_POINT_INDEX, | |
c2f5bfd6 KH |
756 | XLFD_RESX_INDEX, |
757 | XLFD_RESY_INDEX, | |
758 | XLFD_SPACING_INDEX, | |
759 | XLFD_AVGWIDTH_INDEX, | |
760 | XLFD_REGISTRY_INDEX, | |
761 | XLFD_ENCODING_INDEX, | |
762 | XLFD_LAST_INDEX | |
763 | }; | |
764 | ||
ec6fe57c | 765 | /* An enumerator for mask bit corresponding to each XLFD field. */ |
4485a28e KH |
766 | enum xlfd_field_mask |
767 | { | |
768 | XLFD_FOUNDRY_MASK = 0x0001, | |
769 | XLFD_FAMILY_MASK = 0x0002, | |
770 | XLFD_WEIGHT_MASK = 0x0004, | |
771 | XLFD_SLANT_MASK = 0x0008, | |
772 | XLFD_SWIDTH_MASK = 0x0010, | |
773 | XLFD_ADSTYLE_MASK = 0x0020, | |
774 | XLFD_PIXEL_MASK = 0x0040, | |
775 | XLFD_POINT_MASK = 0x0080, | |
776 | XLFD_RESX_MASK = 0x0100, | |
777 | XLFD_RESY_MASK = 0x0200, | |
778 | XLFD_SPACING_MASK = 0x0400, | |
779 | XLFD_AVGWIDTH_MASK = 0x0800, | |
780 | XLFD_REGISTRY_MASK = 0x1000, | |
781 | XLFD_ENCODING_MASK = 0x2000 | |
782 | }; | |
783 | ||
784 | ||
c2f5bfd6 KH |
785 | /* Parse P pointing the pixel/point size field of the form |
786 | `[A B C D]' which specifies a transformation matrix: | |
787 | ||
788 | A B 0 | |
789 | C D 0 | |
790 | 0 0 1 | |
791 | ||
792 | by which all glyphs of the font are transformed. The spec says | |
793 | that scalar value N for the pixel/point size is equivalent to: | |
794 | A = N * resx/resy, B = C = 0, D = N. | |
795 | ||
796 | Return the scalar value N if the form is valid. Otherwise return | |
797 | -1. */ | |
798 | ||
799 | static int | |
800 | parse_matrix (p) | |
801 | char *p; | |
802 | { | |
803 | double matrix[4]; | |
804 | char *end; | |
805 | int i; | |
806 | ||
807 | for (i = 0, p++; i < 4 && *p && *p != ']'; i++) | |
808 | { | |
809 | if (*p == '~') | |
810 | matrix[i] = - strtod (p + 1, &end); | |
811 | else | |
812 | matrix[i] = strtod (p, &end); | |
813 | p = end; | |
814 | } | |
815 | return (i == 4 ? (int) matrix[3] : -1); | |
816 | } | |
817 | ||
4485a28e KH |
818 | /* Expand a wildcard field in FIELD (the first N fields are filled) to |
819 | multiple fields to fill in all 14 XLFD fields while restring a | |
820 | field position by its contents. */ | |
821 | ||
ec6fe57c | 822 | static int |
4485a28e KH |
823 | font_expand_wildcards (field, n) |
824 | Lisp_Object field[XLFD_LAST_INDEX]; | |
825 | int n; | |
826 | { | |
827 | /* Copy of FIELD. */ | |
828 | Lisp_Object tmp[XLFD_LAST_INDEX]; | |
829 | /* Array of information about where this element can go. Nth | |
830 | element is for Nth element of FIELD. */ | |
831 | struct { | |
832 | /* Minimum possible field. */ | |
833 | int from; | |
834 | /* Maxinum possible field. */ | |
835 | int to; | |
836 | /* Bit mask of possible field. Nth bit corresponds to Nth field. */ | |
837 | int mask; | |
838 | } range[XLFD_LAST_INDEX]; | |
839 | int i, j; | |
ec6fe57c | 840 | int range_from, range_to; |
4485a28e KH |
841 | unsigned range_mask; |
842 | ||
843 | #define XLFD_SYMBOL_MASK (XLFD_FOUNDRY_MASK | XLFD_FAMILY_MASK \ | |
844 | | XLFD_ADSTYLE_MASK | XLFD_REGISTRY_MASK) | |
845 | #define XLFD_NULL_MASK (XLFD_FOUNDRY_MASK | XLFD_ADSTYLE_MASK) | |
4485a28e | 846 | #define XLFD_LARGENUM_MASK (XLFD_POINT_MASK | XLFD_RESX_MASK | XLFD_RESY_MASK \ |
ef18374f | 847 | | XLFD_AVGWIDTH_MASK) |
4485a28e KH |
848 | #define XLFD_REGENC_MASK (XLFD_REGISTRY_MASK | XLFD_ENCODING_MASK) |
849 | ||
850 | /* Initialize RANGE_MASK for FIELD[0] which can be 0th to (14 - N)th | |
851 | field. The value is shifted to left one bit by one in the | |
852 | following loop. */ | |
853 | for (i = 0, range_mask = 0; i <= 14 - n; i++) | |
854 | range_mask = (range_mask << 1) | 1; | |
855 | ||
ec6fe57c KH |
856 | /* The triplet RANGE_FROM, RANGE_TO, and RANGE_MASK is a |
857 | position-based retriction for FIELD[I]. */ | |
858 | for (i = 0, range_from = 0, range_to = 14 - n; i < n; | |
859 | i++, range_from++, range_to++, range_mask <<= 1) | |
4485a28e | 860 | { |
4485a28e KH |
861 | Lisp_Object val = field[i]; |
862 | ||
863 | tmp[i] = val; | |
864 | if (NILP (val)) | |
865 | { | |
866 | /* Wildcard. */ | |
867 | range[i].from = range_from; | |
868 | range[i].to = range_to; | |
869 | range[i].mask = range_mask; | |
870 | } | |
871 | else | |
872 | { | |
873 | /* The triplet FROM, TO, and MASK is a value-based | |
874 | retriction for FIELD[I]. */ | |
875 | int from, to; | |
876 | unsigned mask; | |
877 | ||
878 | if (INTEGERP (val)) | |
879 | { | |
880 | int numeric = XINT (val); | |
881 | ||
ef18374f KH |
882 | if (i + 1 == n) |
883 | from = to = XLFD_ENCODING_INDEX, | |
884 | mask = XLFD_ENCODING_MASK; | |
ec6fe57c KH |
885 | else if (numeric == 0) |
886 | from = XLFD_PIXEL_INDEX, to = XLFD_AVGWIDTH_INDEX, | |
887 | mask = XLFD_PIXEL_MASK | XLFD_LARGENUM_MASK; | |
ef18374f KH |
888 | else if (numeric <= 48) |
889 | from = to = XLFD_PIXEL_INDEX, | |
890 | mask = XLFD_PIXEL_MASK; | |
51c01100 | 891 | else |
ec6fe57c | 892 | from = XLFD_POINT_INDEX, to = XLFD_AVGWIDTH_INDEX, |
4485a28e KH |
893 | mask = XLFD_LARGENUM_MASK; |
894 | } | |
35027d0c | 895 | else if (SBYTES (SYMBOL_NAME (val)) == 0) |
4485a28e KH |
896 | from = XLFD_FOUNDRY_INDEX, to = XLFD_ADSTYLE_INDEX, |
897 | mask = XLFD_NULL_MASK; | |
898 | else if (i == 0) | |
899 | from = to = XLFD_FOUNDRY_INDEX, mask = XLFD_FOUNDRY_MASK; | |
900 | else if (i + 1 == n) | |
901 | { | |
902 | Lisp_Object name = SYMBOL_NAME (val); | |
903 | ||
904 | if (SDATA (name)[SBYTES (name) - 1] == '*') | |
905 | from = XLFD_REGISTRY_INDEX, to = XLFD_ENCODING_INDEX, | |
906 | mask = XLFD_REGENC_MASK; | |
907 | else | |
908 | from = to = XLFD_ENCODING_INDEX, | |
909 | mask = XLFD_ENCODING_MASK; | |
910 | } | |
ef18374f KH |
911 | else if (range_from <= XLFD_WEIGHT_INDEX |
912 | && range_to >= XLFD_WEIGHT_INDEX | |
35027d0c | 913 | && FONT_WEIGHT_NAME_NUMERIC (val) >= 0) |
4485a28e | 914 | from = to = XLFD_WEIGHT_INDEX, mask = XLFD_WEIGHT_MASK; |
ef18374f KH |
915 | else if (range_from <= XLFD_SLANT_INDEX |
916 | && range_to >= XLFD_SLANT_INDEX | |
35027d0c | 917 | && FONT_SLANT_NAME_NUMERIC (val) >= 0) |
4485a28e | 918 | from = to = XLFD_SLANT_INDEX, mask = XLFD_SLANT_MASK; |
ef18374f KH |
919 | else if (range_from <= XLFD_SWIDTH_INDEX |
920 | && range_to >= XLFD_SWIDTH_INDEX | |
35027d0c | 921 | && FONT_WIDTH_NAME_NUMERIC (val) >= 0) |
4485a28e KH |
922 | from = to = XLFD_SWIDTH_INDEX, mask = XLFD_SWIDTH_MASK; |
923 | else | |
924 | { | |
ec6fe57c | 925 | if (EQ (val, Qc) || EQ (val, Qm) || EQ (val, Qp) || EQ (val, Qd)) |
4485a28e KH |
926 | from = to = XLFD_SPACING_INDEX, mask = XLFD_SPACING_MASK; |
927 | else | |
928 | from = XLFD_FOUNDRY_INDEX, to = XLFD_ENCODING_INDEX, | |
929 | mask = XLFD_SYMBOL_MASK; | |
930 | } | |
931 | ||
932 | /* Merge position-based and value-based restrictions. */ | |
933 | mask &= range_mask; | |
934 | while (from < range_from) | |
935 | mask &= ~(1 << from++); | |
936 | while (from < 14 && ! (mask & (1 << from))) | |
937 | from++; | |
938 | while (to > range_to) | |
939 | mask &= ~(1 << to--); | |
940 | while (to >= 0 && ! (mask & (1 << to))) | |
941 | to--; | |
942 | if (from > to) | |
943 | return -1; | |
944 | range[i].from = from; | |
945 | range[i].to = to; | |
946 | range[i].mask = mask; | |
947 | ||
948 | if (from > range_from || to < range_to) | |
ec6fe57c KH |
949 | { |
950 | /* The range is narrowed by value-based restrictions. | |
951 | Reflect it to the other fields. */ | |
952 | ||
953 | /* Following fields should be after FROM. */ | |
954 | range_from = from; | |
955 | /* Preceding fields should be before TO. */ | |
956 | for (j = i - 1, from--, to--; j >= 0; j--, from--, to--) | |
957 | { | |
958 | /* Check FROM for non-wildcard field. */ | |
959 | if (! NILP (tmp[j]) && range[j].from < from) | |
960 | { | |
961 | while (range[j].from < from) | |
962 | range[j].mask &= ~(1 << range[j].from++); | |
963 | while (from < 14 && ! (range[j].mask & (1 << from))) | |
964 | from++; | |
965 | range[j].from = from; | |
966 | } | |
967 | else | |
968 | from = range[j].from; | |
969 | if (range[j].to > to) | |
970 | { | |
971 | while (range[j].to > to) | |
972 | range[j].mask &= ~(1 << range[j].to--); | |
973 | while (to >= 0 && ! (range[j].mask & (1 << to))) | |
974 | to--; | |
975 | range[j].to = to; | |
976 | } | |
977 | else | |
978 | to = range[j].to; | |
979 | if (from > to) | |
980 | return -1; | |
981 | } | |
982 | } | |
4485a28e KH |
983 | } |
984 | } | |
985 | ||
986 | /* Decide all fileds from restrictions in RANGE. */ | |
987 | for (i = j = 0; i < n ; i++) | |
988 | { | |
989 | if (j < range[i].from) | |
990 | { | |
991 | if (i == 0 || ! NILP (tmp[i - 1])) | |
992 | /* None of TMP[X] corresponds to Jth field. */ | |
993 | return -1; | |
994 | for (; j < range[i].from; j++) | |
995 | field[j] = Qnil; | |
996 | } | |
997 | field[j++] = tmp[i]; | |
998 | } | |
999 | if (! NILP (tmp[n - 1]) && j < XLFD_REGISTRY_INDEX) | |
1000 | return -1; | |
1001 | for (; j < XLFD_LAST_INDEX; j++) | |
1002 | field[j] = Qnil; | |
1003 | if (INTEGERP (field[XLFD_ENCODING_INDEX])) | |
1004 | field[XLFD_ENCODING_INDEX] | |
1005 | = Fintern (Fnumber_to_string (field[XLFD_ENCODING_INDEX]), Qnil); | |
1006 | return 0; | |
1007 | } | |
1008 | ||
43a1d19b SM |
1009 | |
1010 | #ifdef ENABLE_CHECKING | |
1011 | /* Match a 14-field XLFD pattern against a full XLFD font name. */ | |
1012 | static int | |
1013 | font_match_xlfd (char *pattern, char *name) | |
1014 | { | |
1015 | while (*pattern && *name) | |
1016 | { | |
1017 | if (*pattern == *name) | |
1018 | pattern++; | |
1019 | else if (*pattern == '*') | |
1020 | if (*name == pattern[1]) | |
1021 | pattern += 2; | |
1022 | else | |
1023 | ; | |
1024 | else | |
1025 | return 0; | |
1026 | name++; | |
1027 | } | |
1028 | return 1; | |
1029 | } | |
1030 | ||
1031 | /* Make sure the font object matches the XLFD font name. */ | |
1032 | static int | |
1033 | font_check_xlfd_parse (Lisp_Object font, char *name) | |
1034 | { | |
1035 | char name_check[256]; | |
1036 | font_unparse_xlfd (font, 0, name_check, 255); | |
1037 | return font_match_xlfd (name_check, name); | |
1038 | } | |
1039 | ||
1040 | #endif | |
1041 | ||
35027d0c | 1042 | |
ef18374f | 1043 | /* Parse NAME (null terminated) as XLFD and store information in FONT |
9331887d KH |
1044 | (font-spec or font-entity). Size property of FONT is set as |
1045 | follows: | |
1046 | specified XLFD fields FONT property | |
1047 | --------------------- ------------- | |
1048 | PIXEL_SIZE PIXEL_SIZE (Lisp integer) | |
1049 | POINT_SIZE and RESY calculated pixel size (Lisp integer) | |
1050 | POINT_SIZE POINT_SIZE/10 (Lisp float) | |
1051 | ||
ec6fe57c | 1052 | If NAME is successfully parsed, return 0. Otherwise return -1. |
9331887d | 1053 | |
ec6fe57c KH |
1054 | FONT is usually a font-spec, but when this function is called from |
1055 | X font backend driver, it is a font-entity. In that case, NAME is | |
35027d0c | 1056 | a fully specified XLFD. */ |
c2f5bfd6 KH |
1057 | |
1058 | int | |
ec6fe57c | 1059 | font_parse_xlfd (name, font) |
c2f5bfd6 KH |
1060 | char *name; |
1061 | Lisp_Object font; | |
c2f5bfd6 KH |
1062 | { |
1063 | int len = strlen (name); | |
35027d0c | 1064 | int i, j, n; |
cf23b845 | 1065 | char *f[XLFD_LAST_INDEX + 1]; |
c2f5bfd6 | 1066 | Lisp_Object val; |
4485a28e | 1067 | char *p; |
c2f5bfd6 | 1068 | |
e3928081 | 1069 | if (len > 255 || !len) |
c2f5bfd6 KH |
1070 | /* Maximum XLFD name length is 255. */ |
1071 | return -1; | |
ec6fe57c | 1072 | /* Accept "*-.." as a fully specified XLFD. */ |
e3928081 | 1073 | if (name[0] == '*' && (len == 1 || name[1] == '-')) |
ec6fe57c KH |
1074 | i = 1, f[XLFD_FOUNDRY_INDEX] = name; |
1075 | else | |
1076 | i = 0; | |
1077 | for (p = name + i; *p; p++) | |
35027d0c KH |
1078 | if (*p == '-') |
1079 | { | |
1080 | f[i++] = p + 1; | |
1081 | if (i == XLFD_LAST_INDEX) | |
1082 | break; | |
1083 | } | |
1084 | f[i] = name + len; | |
c2f5bfd6 | 1085 | |
2f286d4f KH |
1086 | #define INTERN_FIELD(N) font_intern_prop (f[N], f[(N) + 1] - 1 - f[N], 0) |
1087 | #define INTERN_FIELD_SYM(N) font_intern_prop (f[N], f[(N) + 1] - 1 - f[N], 1) | |
4485a28e | 1088 | |
ec6fe57c | 1089 | if (i == XLFD_LAST_INDEX) |
4485a28e | 1090 | { |
35027d0c | 1091 | /* Fully specified XLFD. */ |
ec6fe57c KH |
1092 | int pixel_size; |
1093 | ||
2f286d4f KH |
1094 | ASET (font, FONT_FOUNDRY_INDEX, INTERN_FIELD_SYM (XLFD_FOUNDRY_INDEX)); |
1095 | ASET (font, FONT_FAMILY_INDEX, INTERN_FIELD_SYM (XLFD_FAMILY_INDEX)); | |
35027d0c KH |
1096 | for (i = XLFD_WEIGHT_INDEX, j = FONT_WEIGHT_INDEX; |
1097 | i <= XLFD_SWIDTH_INDEX; i++, j++) | |
4485a28e | 1098 | { |
2f286d4f | 1099 | val = INTERN_FIELD_SYM (i); |
ec6fe57c | 1100 | if (! NILP (val)) |
4485a28e | 1101 | { |
2f286d4f | 1102 | if ((n = font_style_to_value (j, INTERN_FIELD_SYM (i), 0)) < 0) |
35027d0c KH |
1103 | return -1; |
1104 | ASET (font, j, make_number (n)); | |
ec6fe57c KH |
1105 | } |
1106 | } | |
2f286d4f | 1107 | ASET (font, FONT_ADSTYLE_INDEX, INTERN_FIELD_SYM (XLFD_ADSTYLE_INDEX)); |
35027d0c KH |
1108 | if (strcmp (f[XLFD_REGISTRY_INDEX], "*-*") == 0) |
1109 | ASET (font, FONT_REGISTRY_INDEX, Qnil); | |
1110 | else | |
1111 | ASET (font, FONT_REGISTRY_INDEX, | |
1112 | font_intern_prop (f[XLFD_REGISTRY_INDEX], | |
2f286d4f KH |
1113 | f[XLFD_LAST_INDEX] - f[XLFD_REGISTRY_INDEX], |
1114 | 1)); | |
ec6fe57c KH |
1115 | p = f[XLFD_PIXEL_INDEX]; |
1116 | if (*p == '[' && (pixel_size = parse_matrix (p)) >= 0) | |
51c01100 | 1117 | ASET (font, FONT_SIZE_INDEX, make_number (pixel_size)); |
ec6fe57c KH |
1118 | else |
1119 | { | |
35027d0c KH |
1120 | val = INTERN_FIELD (XLFD_PIXEL_INDEX); |
1121 | if (INTEGERP (val)) | |
ec6fe57c KH |
1122 | ASET (font, FONT_SIZE_INDEX, val); |
1123 | else | |
1124 | { | |
1125 | double point_size = -1; | |
1126 | ||
d0ab1ebe | 1127 | font_assert (FONT_SPEC_P (font)); |
ec6fe57c KH |
1128 | p = f[XLFD_POINT_INDEX]; |
1129 | if (*p == '[') | |
1130 | point_size = parse_matrix (p); | |
1131 | else if (isdigit (*p)) | |
1132 | point_size = atoi (p), point_size /= 10; | |
1133 | if (point_size >= 0) | |
1134 | ASET (font, FONT_SIZE_INDEX, make_float (point_size)); | |
4485a28e KH |
1135 | } |
1136 | } | |
ec6fe57c | 1137 | |
087048cd KH |
1138 | val = INTERN_FIELD (XLFD_RESY_INDEX); |
1139 | if (! NILP (val) && ! INTEGERP (val)) | |
1140 | return -1; | |
1141 | ASET (font, FONT_DPI_INDEX, val); | |
35027d0c KH |
1142 | val = INTERN_FIELD (XLFD_SPACING_INDEX); |
1143 | if (! NILP (val)) | |
ec6fe57c | 1144 | { |
35027d0c KH |
1145 | val = font_prop_validate_spacing (QCspacing, val); |
1146 | if (! INTEGERP (val)) | |
1147 | return -1; | |
1148 | ASET (font, FONT_SPACING_INDEX, val); | |
ec6fe57c | 1149 | } |
ec6fe57c KH |
1150 | p = f[XLFD_AVGWIDTH_INDEX]; |
1151 | if (*p == '~') | |
1152 | p++; | |
087048cd KH |
1153 | val = font_intern_prop (p, f[XLFD_REGISTRY_INDEX] - 1 - p, 0); |
1154 | if (! NILP (val) && ! INTEGERP (val)) | |
1155 | return -1; | |
1156 | ASET (font, FONT_AVGWIDTH_INDEX, val); | |
4485a28e KH |
1157 | } |
1158 | else | |
c2f5bfd6 | 1159 | { |
4485a28e | 1160 | int wild_card_found = 0; |
ec6fe57c | 1161 | Lisp_Object prop[XLFD_LAST_INDEX]; |
4485a28e | 1162 | |
35027d0c KH |
1163 | if (FONT_ENTITY_P (font)) |
1164 | return -1; | |
ec6fe57c | 1165 | for (j = 0; j < i; j++) |
4485a28e | 1166 | { |
ec6fe57c | 1167 | if (*f[j] == '*') |
4485a28e | 1168 | { |
ec6fe57c KH |
1169 | if (f[j][1] && f[j][1] != '-') |
1170 | return -1; | |
1171 | prop[j] = Qnil; | |
1172 | wild_card_found = 1; | |
1173 | } | |
ec6fe57c | 1174 | else if (j + 1 < i) |
35027d0c | 1175 | prop[j] = INTERN_FIELD (j); |
ec6fe57c | 1176 | else |
2f286d4f | 1177 | prop[j] = font_intern_prop (f[j], f[i] - f[j], 0); |
4485a28e KH |
1178 | } |
1179 | if (! wild_card_found) | |
c2f5bfd6 | 1180 | return -1; |
ec6fe57c | 1181 | if (font_expand_wildcards (prop, i) < 0) |
4485a28e | 1182 | return -1; |
ec6fe57c | 1183 | |
35027d0c KH |
1184 | ASET (font, FONT_FOUNDRY_INDEX, prop[XLFD_FOUNDRY_INDEX]); |
1185 | ASET (font, FONT_FAMILY_INDEX, prop[XLFD_FAMILY_INDEX]); | |
1186 | for (i = XLFD_WEIGHT_INDEX, j = FONT_WEIGHT_INDEX; | |
1187 | i <= XLFD_SWIDTH_INDEX; i++, j++) | |
ec6fe57c | 1188 | if (! NILP (prop[i])) |
35027d0c KH |
1189 | { |
1190 | if ((n = font_style_to_value (j, prop[i], 1)) < 0) | |
1191 | return -1; | |
1192 | ASET (font, j, make_number (n)); | |
1193 | } | |
1194 | ASET (font, FONT_ADSTYLE_INDEX, prop[XLFD_ADSTYLE_INDEX]); | |
ec6fe57c KH |
1195 | val = prop[XLFD_REGISTRY_INDEX]; |
1196 | if (NILP (val)) | |
c2f5bfd6 | 1197 | { |
ec6fe57c KH |
1198 | val = prop[XLFD_ENCODING_INDEX]; |
1199 | if (! NILP (val)) | |
35027d0c | 1200 | val = concat2 (build_string ("*-"), SYMBOL_NAME (val)); |
4485a28e | 1201 | } |
ec6fe57c | 1202 | else if (NILP (prop[XLFD_ENCODING_INDEX])) |
35027d0c | 1203 | val = concat2 (SYMBOL_NAME (val), build_string ("-*")); |
4485a28e | 1204 | else |
35027d0c KH |
1205 | val = concat3 (SYMBOL_NAME (val), build_string ("-"), |
1206 | SYMBOL_NAME (prop[XLFD_ENCODING_INDEX])); | |
ec6fe57c | 1207 | if (! NILP (val)) |
35027d0c | 1208 | ASET (font, FONT_REGISTRY_INDEX, Fintern (val, Qnil)); |
ec6fe57c KH |
1209 | |
1210 | if (INTEGERP (prop[XLFD_PIXEL_INDEX])) | |
1211 | ASET (font, FONT_SIZE_INDEX, prop[XLFD_PIXEL_INDEX]); | |
1212 | else if (INTEGERP (prop[XLFD_POINT_INDEX])) | |
4485a28e | 1213 | { |
ec6fe57c | 1214 | double point_size = XINT (prop[XLFD_POINT_INDEX]); |
c2f5bfd6 | 1215 | |
ec6fe57c KH |
1216 | ASET (font, FONT_SIZE_INDEX, make_float (point_size / 10)); |
1217 | } | |
c2f5bfd6 | 1218 | |
35027d0c KH |
1219 | if (INTEGERP (prop[XLFD_RESX_INDEX])) |
1220 | ASET (font, FONT_DPI_INDEX, prop[XLFD_RESY_INDEX]); | |
1221 | if (! NILP (prop[XLFD_SPACING_INDEX])) | |
1222 | { | |
1223 | val = font_prop_validate_spacing (QCspacing, | |
1224 | prop[XLFD_SPACING_INDEX]); | |
1225 | if (! INTEGERP (val)) | |
1226 | return -1; | |
1227 | ASET (font, FONT_SPACING_INDEX, val); | |
1228 | } | |
ec6fe57c | 1229 | if (INTEGERP (prop[XLFD_AVGWIDTH_INDEX])) |
35027d0c | 1230 | ASET (font, FONT_AVGWIDTH_INDEX, prop[XLFD_AVGWIDTH_INDEX]); |
c2f5bfd6 KH |
1231 | } |
1232 | ||
ec6fe57c | 1233 | return 0; |
c2f5bfd6 KH |
1234 | } |
1235 | ||
1236 | /* Store XLFD name of FONT (font-spec or font-entity) in NAME (NBYTES | |
1237 | length), and return the name length. If FONT_SIZE_INDEX of FONT is | |
1238 | 0, use PIXEL_SIZE instead. */ | |
1239 | ||
1240 | int | |
1241 | font_unparse_xlfd (font, pixel_size, name, nbytes) | |
1242 | Lisp_Object font; | |
1bb1d99b | 1243 | int pixel_size; |
c2f5bfd6 KH |
1244 | char *name; |
1245 | int nbytes; | |
1246 | { | |
ec6fe57c | 1247 | char *f[XLFD_REGISTRY_INDEX + 1]; |
c2f5bfd6 KH |
1248 | Lisp_Object val; |
1249 | int i, j, len = 0; | |
1250 | ||
d0ab1ebe | 1251 | font_assert (FONTP (font)); |
c2f5bfd6 KH |
1252 | |
1253 | for (i = FONT_FOUNDRY_INDEX, j = XLFD_FOUNDRY_INDEX; i <= FONT_REGISTRY_INDEX; | |
1254 | i++, j++) | |
1255 | { | |
1256 | if (i == FONT_ADSTYLE_INDEX) | |
1257 | j = XLFD_ADSTYLE_INDEX; | |
1258 | else if (i == FONT_REGISTRY_INDEX) | |
1259 | j = XLFD_REGISTRY_INDEX; | |
1260 | val = AREF (font, i); | |
1261 | if (NILP (val)) | |
1bb1d99b KH |
1262 | { |
1263 | if (j == XLFD_REGISTRY_INDEX) | |
1264 | f[j] = "*-*", len += 4; | |
1265 | else | |
1266 | f[j] = "*", len += 2; | |
1267 | } | |
c2f5bfd6 KH |
1268 | else |
1269 | { | |
1270 | if (SYMBOLP (val)) | |
1271 | val = SYMBOL_NAME (val); | |
1bb1d99b KH |
1272 | if (j == XLFD_REGISTRY_INDEX |
1273 | && ! strchr ((char *) SDATA (val), '-')) | |
1274 | { | |
1275 | /* Change "jisx0208*" and "jisx0208" to "jisx0208*-*". */ | |
1276 | if (SDATA (val)[SBYTES (val) - 1] == '*') | |
1277 | { | |
1278 | f[j] = alloca (SBYTES (val) + 3); | |
1279 | sprintf (f[j], "%s-*", SDATA (val)); | |
1280 | len += SBYTES (val) + 3; | |
1281 | } | |
1282 | else | |
1283 | { | |
1284 | f[j] = alloca (SBYTES (val) + 4); | |
1285 | sprintf (f[j], "%s*-*", SDATA (val)); | |
1286 | len += SBYTES (val) + 4; | |
1287 | } | |
1288 | } | |
1289 | else | |
1290 | f[j] = (char *) SDATA (val), len += SBYTES (val) + 1; | |
c2f5bfd6 KH |
1291 | } |
1292 | } | |
1293 | ||
1294 | for (i = FONT_WEIGHT_INDEX, j = XLFD_WEIGHT_INDEX; i <= FONT_WIDTH_INDEX; | |
1295 | i++, j++) | |
1296 | { | |
35027d0c | 1297 | val = font_style_symbolic (font, i, 0); |
c2f5bfd6 KH |
1298 | if (NILP (val)) |
1299 | f[j] = "*", len += 2; | |
1300 | else | |
1301 | { | |
35027d0c | 1302 | val = SYMBOL_NAME (val); |
c2f5bfd6 KH |
1303 | f[j] = (char *) SDATA (val), len += SBYTES (val) + 1; |
1304 | } | |
1305 | } | |
1306 | ||
1307 | val = AREF (font, FONT_SIZE_INDEX); | |
d0ab1ebe | 1308 | font_assert (NUMBERP (val) || NILP (val)); |
c2f5bfd6 KH |
1309 | if (INTEGERP (val)) |
1310 | { | |
35027d0c | 1311 | i = XINT (val); |
81aefea4 SM |
1312 | if (i <= 0) |
1313 | i = pixel_size; | |
c2f5bfd6 | 1314 | if (i > 0) |
81aefea4 SM |
1315 | { |
1316 | f[XLFD_PIXEL_INDEX] = alloca (22); | |
1317 | len += sprintf (f[XLFD_PIXEL_INDEX], "%d-*", i) + 1; | |
1318 | } | |
1319 | else | |
1320 | f[XLFD_PIXEL_INDEX] = "*-*", len += 4; | |
c2f5bfd6 KH |
1321 | } |
1322 | else if (FLOATP (val)) | |
1323 | { | |
35027d0c | 1324 | i = XFLOAT_DATA (val) * 10; |
ec6fe57c | 1325 | f[XLFD_PIXEL_INDEX] = alloca (12); |
ec6fe57c | 1326 | len += sprintf (f[XLFD_PIXEL_INDEX], "*-%d", i) + 1; |
c2f5bfd6 KH |
1327 | } |
1328 | else | |
ec6fe57c KH |
1329 | f[XLFD_PIXEL_INDEX] = "*-*", len += 4; |
1330 | ||
35027d0c | 1331 | if (INTEGERP (AREF (font, FONT_DPI_INDEX))) |
c2f5bfd6 | 1332 | { |
35027d0c KH |
1333 | i = XINT (AREF (font, FONT_DPI_INDEX)); |
1334 | f[XLFD_RESX_INDEX] = alloca (22); | |
1335 | len += sprintf (f[XLFD_RESX_INDEX], | |
1336 | "%d-%d", i, i) + 1; | |
c2f5bfd6 KH |
1337 | } |
1338 | else | |
35027d0c KH |
1339 | f[XLFD_RESX_INDEX] = "*-*", len += 4; |
1340 | if (INTEGERP (AREF (font, FONT_SPACING_INDEX))) | |
ec6fe57c | 1341 | { |
35027d0c | 1342 | int spacing = XINT (AREF (font, FONT_SPACING_INDEX)); |
ec6fe57c | 1343 | |
35027d0c KH |
1344 | f[XLFD_SPACING_INDEX] = (spacing <= FONT_SPACING_PROPORTIONAL ? "p" |
1345 | : spacing <= FONT_SPACING_DUAL ? "d" | |
1346 | : spacing <= FONT_SPACING_MONO ? "m" | |
1347 | : "c"); | |
1348 | len += 2; | |
ec6fe57c | 1349 | } |
35027d0c KH |
1350 | else |
1351 | f[XLFD_SPACING_INDEX] = "*", len += 2; | |
1352 | if (INTEGERP (AREF (font, FONT_AVGWIDTH_INDEX))) | |
1353 | { | |
1354 | f[XLFD_AVGWIDTH_INDEX] = alloca (11); | |
c56c14a1 AR |
1355 | len += sprintf (f[XLFD_AVGWIDTH_INDEX], "%ld", |
1356 | (long) XINT (AREF (font, FONT_AVGWIDTH_INDEX))) + 1; | |
35027d0c KH |
1357 | } |
1358 | else | |
1359 | f[XLFD_AVGWIDTH_INDEX] = "*", len += 2; | |
ec6fe57c | 1360 | len++; /* for terminating '\0'. */ |
c2f5bfd6 KH |
1361 | if (len >= nbytes) |
1362 | return -1; | |
35027d0c | 1363 | return sprintf (name, "-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s", |
c2f5bfd6 KH |
1364 | f[XLFD_FOUNDRY_INDEX], f[XLFD_FAMILY_INDEX], |
1365 | f[XLFD_WEIGHT_INDEX], f[XLFD_SLANT_INDEX], | |
35027d0c KH |
1366 | f[XLFD_SWIDTH_INDEX], f[XLFD_ADSTYLE_INDEX], |
1367 | f[XLFD_PIXEL_INDEX], f[XLFD_RESX_INDEX], | |
1368 | f[XLFD_SPACING_INDEX], f[XLFD_AVGWIDTH_INDEX], | |
1369 | f[XLFD_REGISTRY_INDEX]); | |
c2f5bfd6 KH |
1370 | } |
1371 | ||
8c102d5b CY |
1372 | /* Parse NAME (null terminated) and store information in FONT |
1373 | (font-spec or font-entity). NAME is supplied in either the | |
1374 | Fontconfig or GTK font name format. If NAME is successfully | |
1375 | parsed, return 0. Otherwise return -1. | |
1376 | ||
1377 | The fontconfig format is | |
1378 | ||
1379 | FAMILY[-SIZE][:PROP1[=VAL1][:PROP2[=VAL2]...]] | |
1380 | ||
1381 | The GTK format is | |
1382 | ||
1383 | FAMILY [PROPS...] [SIZE] | |
1384 | ||
1385 | This function tries to guess which format it is. */ | |
ef18374f KH |
1386 | |
1387 | int | |
ec6fe57c | 1388 | font_parse_fcname (name, font) |
ef18374f KH |
1389 | char *name; |
1390 | Lisp_Object font; | |
ef18374f | 1391 | { |
8c102d5b CY |
1392 | char *p, *q; |
1393 | char *size_beg = NULL, *size_end = NULL; | |
1394 | char *props_beg = NULL, *family_end = NULL; | |
9331887d | 1395 | int len = strlen (name); |
ef18374f | 1396 | |
ec6fe57c KH |
1397 | if (len == 0) |
1398 | return -1; | |
8c102d5b CY |
1399 | |
1400 | for (p = name; *p; p++) | |
ef18374f | 1401 | { |
8c102d5b CY |
1402 | if (*p == '\\' && p[1]) |
1403 | p++; | |
1404 | else if (*p == ':') | |
ef18374f | 1405 | { |
59facb78 | 1406 | props_beg = family_end = p; |
8c102d5b CY |
1407 | break; |
1408 | } | |
1409 | else if (*p == '-') | |
1410 | { | |
b1868a1a | 1411 | int decimal = 0, size_found = 1; |
8c102d5b | 1412 | for (q = p + 1; *q && *q != ':'; q++) |
b1868a1a | 1413 | if (! isdigit(*q)) |
8c102d5b | 1414 | { |
b1868a1a CY |
1415 | if (*q != '.' || decimal) |
1416 | { | |
1417 | size_found = 0; | |
1418 | break; | |
1419 | } | |
1420 | decimal = 1; | |
8c102d5b CY |
1421 | } |
1422 | if (size_found) | |
1423 | { | |
1424 | family_end = p; | |
1425 | size_beg = p + 1; | |
1426 | size_end = q; | |
1427 | break; | |
1428 | } | |
ef18374f | 1429 | } |
ef18374f | 1430 | } |
9331887d | 1431 | |
8c102d5b CY |
1432 | if (family_end) |
1433 | { | |
637fa988 JD |
1434 | Lisp_Object extra_props = Qnil; |
1435 | ||
8c102d5b CY |
1436 | /* A fontconfig name with size and/or property data. */ |
1437 | if (family_end > name) | |
1438 | { | |
1439 | Lisp_Object family; | |
1440 | family = font_intern_prop (name, family_end - name, 1); | |
1441 | ASET (font, FONT_FAMILY_INDEX, family); | |
1442 | } | |
1443 | if (size_beg) | |
1444 | { | |
1445 | double point_size = strtod (size_beg, &size_end); | |
1446 | ASET (font, FONT_SIZE_INDEX, make_float (point_size)); | |
1447 | if (*size_end == ':' && size_end[1]) | |
59facb78 | 1448 | props_beg = size_end; |
8c102d5b CY |
1449 | } |
1450 | if (props_beg) | |
1451 | { | |
d26424c5 | 1452 | /* Now parse ":KEY=VAL" patterns. */ |
59facb78 | 1453 | Lisp_Object val; |
8c102d5b | 1454 | |
59facb78 | 1455 | for (p = props_beg; *p; p = q) |
8c102d5b | 1456 | { |
8c102d5b | 1457 | for (q = p + 1; *q && *q != '=' && *q != ':'; q++); |
8c102d5b CY |
1458 | if (*q != '=') |
1459 | { | |
1460 | /* Must be an enumerated value. */ | |
59facb78 CY |
1461 | int word_len; |
1462 | p = p + 1; | |
1463 | word_len = q - p; | |
8c102d5b | 1464 | val = font_intern_prop (p, q - p, 1); |
9277a69d CY |
1465 | |
1466 | #define PROP_MATCH(STR,N) ((word_len == N) && memcmp (p, STR, N) == 0) | |
1467 | ||
8c102d5b CY |
1468 | if (PROP_MATCH ("light", 5) |
1469 | || PROP_MATCH ("medium", 6) | |
1470 | || PROP_MATCH ("demibold", 8) | |
1471 | || PROP_MATCH ("bold", 4) | |
1472 | || PROP_MATCH ("black", 5)) | |
1473 | FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, val); | |
1474 | else if (PROP_MATCH ("roman", 5) | |
1475 | || PROP_MATCH ("italic", 6) | |
1476 | || PROP_MATCH ("oblique", 7)) | |
1477 | FONT_SET_STYLE (font, FONT_SLANT_INDEX, val); | |
1478 | else if (PROP_MATCH ("charcell", 8)) | |
1479 | ASET (font, FONT_SPACING_INDEX, | |
1480 | make_number (FONT_SPACING_CHARCELL)); | |
1481 | else if (PROP_MATCH ("mono", 4)) | |
1482 | ASET (font, FONT_SPACING_INDEX, | |
1483 | make_number (FONT_SPACING_MONO)); | |
1484 | else if (PROP_MATCH ("proportional", 12)) | |
1485 | ASET (font, FONT_SPACING_INDEX, | |
1486 | make_number (FONT_SPACING_PROPORTIONAL)); | |
9277a69d | 1487 | #undef PROP_MATCH |
8c102d5b | 1488 | } |
59facb78 | 1489 | else |
8c102d5b | 1490 | { |
59facb78 | 1491 | /* KEY=VAL pairs */ |
8c102d5b | 1492 | Lisp_Object key; |
59facb78 | 1493 | int prop; |
51c01100 | 1494 | |
59facb78 | 1495 | if (q - p == 10 && memcmp (p + 1, "pixelsize", 9) == 0) |
8c102d5b CY |
1496 | prop = FONT_SIZE_INDEX; |
1497 | else | |
1498 | { | |
1499 | key = font_intern_prop (p, q - p, 1); | |
1500 | prop = get_font_prop_index (key); | |
1501 | } | |
77989187 | 1502 | |
8c102d5b CY |
1503 | p = q + 1; |
1504 | for (q = p; *q && *q != ':'; q++); | |
90c00b01 | 1505 | val = font_intern_prop (p, q - p, 0); |
77989187 | 1506 | |
d26424c5 KH |
1507 | if (prop >= FONT_FOUNDRY_INDEX |
1508 | && prop < FONT_EXTRA_INDEX) | |
637fa988 | 1509 | ASET (font, prop, font_prop_validate (prop, Qnil, val)); |
ce75f06e | 1510 | else |
637fa988 JD |
1511 | { |
1512 | extra_props = nconc2 (extra_props, | |
1513 | Fcons (Fcons (key, val), Qnil)); | |
1514 | } | |
8c102d5b | 1515 | } |
d26424c5 | 1516 | p = q; |
8c102d5b | 1517 | } |
8c102d5b | 1518 | } |
637fa988 JD |
1519 | |
1520 | if (! NILP (extra_props)) | |
1521 | { | |
1522 | struct font_driver_list *driver_list = font_driver_list; | |
1523 | for ( ; driver_list; driver_list = driver_list->next) | |
1524 | if (driver_list->driver->filter_properties) | |
1525 | (*driver_list->driver->filter_properties) (font, extra_props); | |
1526 | } | |
ce75f06e | 1527 | |
8c102d5b CY |
1528 | } |
1529 | else | |
ef18374f | 1530 | { |
8c102d5b CY |
1531 | /* Either a fontconfig-style name with no size and property |
1532 | data, or a GTK-style name. */ | |
1533 | Lisp_Object prop; | |
1534 | int word_len, prop_found = 0; | |
ef18374f | 1535 | |
8c102d5b | 1536 | for (p = name; *p; p = *q ? q + 1 : q) |
ef18374f | 1537 | { |
8c102d5b | 1538 | if (isdigit (*p)) |
9331887d | 1539 | { |
8c102d5b | 1540 | int size_found = 1; |
7181ea6a | 1541 | |
8c102d5b CY |
1542 | for (q = p + 1; *q && *q != ' '; q++) |
1543 | if (! isdigit (*q)) | |
1544 | { | |
1545 | size_found = 0; | |
1546 | break; | |
1547 | } | |
1548 | if (size_found) | |
1549 | { | |
1550 | double point_size = strtod (p, &q); | |
1551 | ASET (font, FONT_SIZE_INDEX, make_float (point_size)); | |
1552 | continue; | |
1553 | } | |
027a33c0 | 1554 | } |
8c102d5b CY |
1555 | |
1556 | for (q = p + 1; *q && *q != ' '; q++) | |
1557 | if (*q == '\\' && q[1]) | |
1558 | q++; | |
1559 | word_len = q - p; | |
1560 | ||
1561 | #define PROP_MATCH(STR,N) ((word_len == N) && memcmp (p, STR, N) == 0) | |
1562 | ||
1563 | if (PROP_MATCH ("Ultra-Light", 11)) | |
9331887d | 1564 | { |
8c102d5b CY |
1565 | prop_found = 1; |
1566 | prop = font_intern_prop ("ultra-light", 11, 1); | |
1567 | FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, prop); | |
9331887d | 1568 | } |
8c102d5b | 1569 | else if (PROP_MATCH ("Light", 5)) |
9331887d | 1570 | { |
8c102d5b CY |
1571 | prop_found = 1; |
1572 | prop = font_intern_prop ("light", 5, 1); | |
1573 | FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, prop); | |
9331887d | 1574 | } |
8c102d5b | 1575 | else if (PROP_MATCH ("Semi-Bold", 9)) |
9331887d | 1576 | { |
8c102d5b CY |
1577 | prop_found = 1; |
1578 | prop = font_intern_prop ("semi-bold", 9, 1); | |
1579 | FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, prop); | |
1580 | } | |
1581 | else if (PROP_MATCH ("Bold", 4)) | |
1582 | { | |
1583 | prop_found = 1; | |
1584 | prop = font_intern_prop ("bold", 4, 1); | |
1585 | FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, prop); | |
ef18374f | 1586 | } |
8c102d5b CY |
1587 | else if (PROP_MATCH ("Italic", 6)) |
1588 | { | |
1589 | prop_found = 1; | |
1590 | prop = font_intern_prop ("italic", 4, 1); | |
1591 | FONT_SET_STYLE (font, FONT_SLANT_INDEX, prop); | |
1592 | } | |
1593 | else if (PROP_MATCH ("Oblique", 7)) | |
1594 | { | |
1595 | prop_found = 1; | |
1596 | prop = font_intern_prop ("oblique", 7, 1); | |
1597 | FONT_SET_STYLE (font, FONT_SLANT_INDEX, prop); | |
1598 | } | |
1599 | else { | |
1600 | if (prop_found) | |
1601 | return -1; /* Unknown property in GTK-style font name. */ | |
1602 | family_end = q; | |
1603 | } | |
ef18374f | 1604 | } |
8c102d5b | 1605 | #undef PROP_MATCH |
9ba6fd41 | 1606 | |
8c102d5b CY |
1607 | if (family_end) |
1608 | { | |
1609 | Lisp_Object family; | |
1610 | family = font_intern_prop (name, family_end - name, 1); | |
1611 | ASET (font, FONT_FAMILY_INDEX, family); | |
1612 | } | |
1613 | } | |
17ab8f5d | 1614 | |
9331887d | 1615 | return 0; |
ef18374f KH |
1616 | } |
1617 | ||
1618 | /* Store fontconfig's font name of FONT (font-spec or font-entity) in | |
1619 | NAME (NBYTES length), and return the name length. If | |
1620 | FONT_SIZE_INDEX of FONT is 0, use PIXEL_SIZE instead. */ | |
1621 | ||
1622 | int | |
1623 | font_unparse_fcname (font, pixel_size, name, nbytes) | |
1624 | Lisp_Object font; | |
1625 | int pixel_size; | |
1626 | char *name; | |
1627 | int nbytes; | |
1628 | { | |
b1868a1a | 1629 | Lisp_Object family, foundry; |
35027d0c | 1630 | Lisp_Object tail, val; |
ec6fe57c | 1631 | int point_size; |
ec6fe57c | 1632 | int i, len = 1; |
ef18374f | 1633 | char *p; |
a9262bb8 | 1634 | Lisp_Object styles[3]; |
417a1b10 | 1635 | char *style_names[3] = { "weight", "slant", "width" }; |
35027d0c | 1636 | char work[256]; |
ef18374f | 1637 | |
b1868a1a CY |
1638 | family = AREF (font, FONT_FAMILY_INDEX); |
1639 | if (! NILP (family)) | |
1640 | { | |
1641 | if (SYMBOLP (family)) | |
1642 | { | |
1643 | family = SYMBOL_NAME (family); | |
1644 | len += SBYTES (family); | |
1645 | } | |
1646 | else | |
1647 | family = Qnil; | |
1648 | } | |
ec6fe57c KH |
1649 | |
1650 | val = AREF (font, FONT_SIZE_INDEX); | |
1651 | if (INTEGERP (val)) | |
ef18374f | 1652 | { |
ec6fe57c KH |
1653 | if (XINT (val) != 0) |
1654 | pixel_size = XINT (val); | |
1655 | point_size = -1; | |
1656 | len += 21; /* for ":pixelsize=NUM" */ | |
ef18374f | 1657 | } |
ec6fe57c | 1658 | else if (FLOATP (val)) |
ef18374f | 1659 | { |
ec6fe57c KH |
1660 | pixel_size = -1; |
1661 | point_size = (int) XFLOAT_DATA (val); | |
1662 | len += 11; /* for "-NUM" */ | |
ef18374f | 1663 | } |
ec6fe57c | 1664 | |
b1868a1a CY |
1665 | foundry = AREF (font, FONT_FOUNDRY_INDEX); |
1666 | if (! NILP (foundry)) | |
1667 | { | |
1668 | if (SYMBOLP (foundry)) | |
1669 | { | |
1670 | foundry = SYMBOL_NAME (foundry); | |
1671 | len += 9 + SBYTES (foundry); /* ":foundry=NAME" */ | |
1672 | } | |
1673 | else | |
1674 | foundry = Qnil; | |
1675 | } | |
ec6fe57c | 1676 | |
35027d0c | 1677 | for (i = 0; i < 3; i++) |
a9262bb8 | 1678 | { |
35027d0c KH |
1679 | styles[i] = font_style_symbolic (font, FONT_WEIGHT_INDEX + i, 0); |
1680 | if (! NILP (styles[i])) | |
1681 | len += sprintf (work, ":%s=%s", style_names[i], | |
1682 | SDATA (SYMBOL_NAME (styles[i]))); | |
ec6fe57c | 1683 | } |
35027d0c KH |
1684 | |
1685 | if (INTEGERP (AREF (font, FONT_DPI_INDEX))) | |
c56c14a1 | 1686 | len += sprintf (work, ":dpi=%ld", (long)XINT (AREF (font, FONT_DPI_INDEX))); |
35027d0c KH |
1687 | if (INTEGERP (AREF (font, FONT_SPACING_INDEX))) |
1688 | len += strlen (":spacing=100"); | |
1689 | if (INTEGERP (AREF (font, FONT_AVGWIDTH_INDEX))) | |
1690 | len += strlen (":scalable=false"); /* or ":scalable=true" */ | |
1691 | for (tail = AREF (font, FONT_EXTRA_INDEX); CONSP (tail); tail = XCDR (tail)) | |
ec6fe57c | 1692 | { |
35027d0c KH |
1693 | Lisp_Object key = XCAR (XCAR (tail)), val = XCDR (XCAR (tail)); |
1694 | ||
1695 | len += SBYTES (SYMBOL_NAME (key)) + 1; /* for :KEY= */ | |
1696 | if (STRINGP (val)) | |
1697 | len += SBYTES (val); | |
1698 | else if (INTEGERP (val)) | |
c56c14a1 | 1699 | len += sprintf (work, "%ld", (long) XINT (val)); |
35027d0c KH |
1700 | else if (SYMBOLP (val)) |
1701 | len += (NILP (val) ? 5 : 4); /* for "false" or "true" */ | |
ec6fe57c KH |
1702 | } |
1703 | ||
ef18374f KH |
1704 | if (len > nbytes) |
1705 | return -1; | |
1706 | p = name; | |
b1868a1a CY |
1707 | if (! NILP (family)) |
1708 | p += sprintf (p, "%s", SDATA (family)); | |
ec6fe57c KH |
1709 | if (point_size > 0) |
1710 | { | |
1711 | if (p == name) | |
1712 | p += sprintf (p, "%d", point_size); | |
1713 | else | |
1714 | p += sprintf (p, "-%d", point_size); | |
1715 | } | |
ef18374f KH |
1716 | else if (pixel_size > 0) |
1717 | p += sprintf (p, ":pixelsize=%d", pixel_size); | |
35027d0c | 1718 | if (! NILP (AREF (font, FONT_FOUNDRY_INDEX))) |
a9262bb8 KH |
1719 | p += sprintf (p, ":foundry=%s", |
1720 | SDATA (SYMBOL_NAME (AREF (font, FONT_FOUNDRY_INDEX)))); | |
1721 | for (i = 0; i < 3; i++) | |
35027d0c | 1722 | if (! NILP (styles[i])) |
a9262bb8 | 1723 | p += sprintf (p, ":%s=%s", style_names[i], |
35027d0c KH |
1724 | SDATA (SYMBOL_NAME (styles[i]))); |
1725 | if (INTEGERP (AREF (font, FONT_DPI_INDEX))) | |
c56c14a1 | 1726 | p += sprintf (p, ":dpi=%ld", (long) XINT (AREF (font, FONT_DPI_INDEX))); |
35027d0c | 1727 | if (INTEGERP (AREF (font, FONT_SPACING_INDEX))) |
c56c14a1 AR |
1728 | p += sprintf (p, ":spacing=%ld", |
1729 | (long) XINT (AREF (font, FONT_SPACING_INDEX))); | |
35027d0c KH |
1730 | if (INTEGERP (AREF (font, FONT_AVGWIDTH_INDEX))) |
1731 | { | |
1732 | if (XINT (AREF (font, FONT_AVGWIDTH_INDEX)) == 0) | |
1733 | p += sprintf (p, ":scalable=true"); | |
1734 | else | |
1735 | p += sprintf (p, ":scalable=false"); | |
1736 | } | |
ef18374f KH |
1737 | return (p - name); |
1738 | } | |
1739 | ||
b1868a1a CY |
1740 | /* Store GTK-style font name of FONT (font-spec or font-entity) in |
1741 | NAME (NBYTES length), and return the name length. F is the frame | |
1742 | on which the font is displayed; it is used to calculate the point | |
1743 | size. */ | |
1744 | ||
1745 | int | |
1746 | font_unparse_gtkname (font, f, name, nbytes) | |
1747 | Lisp_Object font; | |
1748 | struct frame *f; | |
1749 | char *name; | |
1750 | int nbytes; | |
1751 | { | |
1752 | char *p; | |
1753 | int len = 1; | |
1754 | Lisp_Object family, weight, slant, size; | |
1755 | int point_size = -1; | |
1756 | ||
1757 | family = AREF (font, FONT_FAMILY_INDEX); | |
1758 | if (! NILP (family)) | |
1759 | { | |
1760 | if (! SYMBOLP (family)) | |
1761 | return -1; | |
1762 | family = SYMBOL_NAME (family); | |
1763 | len += SBYTES (family); | |
1764 | } | |
1765 | ||
1766 | weight = font_style_symbolic (font, FONT_WEIGHT_INDEX, 0); | |
93eed26b | 1767 | if (EQ (weight, Qnormal)) |
b1868a1a CY |
1768 | weight = Qnil; |
1769 | else if (! NILP (weight)) | |
1770 | { | |
1771 | weight = SYMBOL_NAME (weight); | |
1772 | len += SBYTES (weight); | |
1773 | } | |
1774 | ||
1775 | slant = font_style_symbolic (font, FONT_SLANT_INDEX, 0); | |
93eed26b | 1776 | if (EQ (slant, Qnormal)) |
b1868a1a CY |
1777 | slant = Qnil; |
1778 | else if (! NILP (slant)) | |
1779 | { | |
1780 | slant = SYMBOL_NAME (slant); | |
1781 | len += SBYTES (slant); | |
1782 | } | |
1783 | ||
1784 | size = AREF (font, FONT_SIZE_INDEX); | |
1785 | /* Convert pixel size to point size. */ | |
1786 | if (INTEGERP (size)) | |
1787 | { | |
1788 | Lisp_Object font_dpi = AREF (font, FONT_DPI_INDEX); | |
1789 | int dpi = 75; | |
1790 | if (INTEGERP (font_dpi)) | |
1791 | dpi = XINT (font_dpi); | |
1792 | else if (f) | |
1793 | dpi = f->resy; | |
1794 | point_size = PIXEL_TO_POINT (XINT (size), dpi); | |
1795 | len += 11; | |
1796 | } | |
1797 | else if (FLOATP (size)) | |
1798 | { | |
1799 | point_size = (int) XFLOAT_DATA (size); | |
1800 | len += 11; | |
1801 | } | |
1802 | ||
1803 | if (len > nbytes) | |
1804 | return -1; | |
1805 | ||
1806 | p = name + sprintf (name, "%s", SDATA (family)); | |
1807 | ||
1808 | if (! NILP (weight)) | |
1809 | { | |
1810 | char *q = p; | |
1811 | p += sprintf (p, " %s", SDATA (weight)); | |
1812 | q[1] = toupper (q[1]); | |
1813 | } | |
1814 | ||
1815 | if (! NILP (slant)) | |
1816 | { | |
1817 | char *q = p; | |
1818 | p += sprintf (p, " %s", SDATA (slant)); | |
1819 | q[1] = toupper (q[1]); | |
1820 | } | |
1821 | ||
1822 | if (point_size > 0) | |
1823 | p += sprintf (p, " %d", point_size); | |
1824 | ||
1825 | return (p - name); | |
1826 | } | |
1827 | ||
ef18374f KH |
1828 | /* Parse NAME (null terminated) and store information in FONT |
1829 | (font-spec or font-entity). If NAME is successfully parsed, return | |
35027d0c | 1830 | 0. Otherwise return -1. */ |
ef18374f KH |
1831 | |
1832 | static int | |
ec6fe57c | 1833 | font_parse_name (name, font) |
ef18374f KH |
1834 | char *name; |
1835 | Lisp_Object font; | |
ef18374f | 1836 | { |
05802645 | 1837 | if (name[0] == '-' || index (name, '*') || index (name, '?')) |
e950d6f1 | 1838 | return font_parse_xlfd (name, font); |
ec6fe57c | 1839 | return font_parse_fcname (name, font); |
ef18374f KH |
1840 | } |
1841 | ||
35027d0c KH |
1842 | |
1843 | /* Merge FAMILY and REGISTRY into FONT_SPEC. FAMILY may have the form | |
1844 | "FAMILY-FOUNDRY". REGISTRY may not contain charset-encoding | |
1845 | part. */ | |
45eb10fb | 1846 | |
c2f5bfd6 | 1847 | void |
35027d0c KH |
1848 | font_parse_family_registry (family, registry, font_spec) |
1849 | Lisp_Object family, registry, font_spec; | |
c2f5bfd6 | 1850 | { |
35027d0c KH |
1851 | int len; |
1852 | char *p0, *p1; | |
1853 | ||
d0ab1ebe KH |
1854 | if (! NILP (family) |
1855 | && NILP (AREF (font_spec, FONT_FAMILY_INDEX))) | |
c2f5bfd6 | 1856 | { |
35027d0c KH |
1857 | CHECK_STRING (family); |
1858 | len = SBYTES (family); | |
1859 | p0 = (char *) SDATA (family); | |
1860 | p1 = index (p0, '-'); | |
1861 | if (p1) | |
c2f5bfd6 | 1862 | { |
9903d1e6 | 1863 | if ((*p0 != '*' && p1 - p0 > 0) |
d0ab1ebe | 1864 | && NILP (AREF (font_spec, FONT_FOUNDRY_INDEX))) |
2f286d4f | 1865 | Ffont_put (font_spec, QCfoundry, font_intern_prop (p0, p1 - p0, 1)); |
35027d0c KH |
1866 | p1++; |
1867 | len -= p1 - p0; | |
2f286d4f | 1868 | Ffont_put (font_spec, QCfamily, font_intern_prop (p1, len, 1)); |
c2f5bfd6 | 1869 | } |
35027d0c KH |
1870 | else |
1871 | ASET (font_spec, FONT_FAMILY_INDEX, Fintern (family, Qnil)); | |
c2f5bfd6 | 1872 | } |
35027d0c | 1873 | if (! NILP (registry)) |
c2f5bfd6 | 1874 | { |
35027d0c KH |
1875 | /* Convert "XXX" and "XXX*" to "XXX*-*". */ |
1876 | CHECK_STRING (registry); | |
1877 | len = SBYTES (registry); | |
1878 | p0 = (char *) SDATA (registry); | |
1879 | p1 = index (p0, '-'); | |
1880 | if (! p1) | |
c2f5bfd6 | 1881 | { |
35027d0c KH |
1882 | if (SDATA (registry)[len - 1] == '*') |
1883 | registry = concat2 (registry, build_string ("-*")); | |
1884 | else | |
1885 | registry = concat2 (registry, build_string ("*-*")); | |
c2f5bfd6 | 1886 | } |
35027d0c KH |
1887 | registry = Fdowncase (registry); |
1888 | ASET (font_spec, FONT_REGISTRY_INDEX, Fintern (registry, Qnil)); | |
c2f5bfd6 KH |
1889 | } |
1890 | } | |
1891 | ||
45eb10fb | 1892 | \f |
35027d0c KH |
1893 | /* This part (through the next ^L) is still experimental and not |
1894 | tested much. We may drastically change codes. */ | |
10d16101 | 1895 | |
45eb10fb | 1896 | /* OTF handler */ |
10d16101 | 1897 | |
6a3dadd2 KH |
1898 | #if 0 |
1899 | ||
e950d6f1 KH |
1900 | #define LGSTRING_HEADER_SIZE 6 |
1901 | #define LGSTRING_GLYPH_SIZE 8 | |
1902 | ||
1903 | static int | |
1904 | check_gstring (gstring) | |
1905 | Lisp_Object gstring; | |
1906 | { | |
1907 | Lisp_Object val; | |
1908 | int i, j; | |
1909 | ||
1910 | CHECK_VECTOR (gstring); | |
1911 | val = AREF (gstring, 0); | |
1912 | CHECK_VECTOR (val); | |
1913 | if (ASIZE (val) < LGSTRING_HEADER_SIZE) | |
1914 | goto err; | |
1915 | CHECK_FONT_OBJECT (LGSTRING_FONT (gstring)); | |
f9ffa1ea SM |
1916 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_LBEARING))) |
1917 | CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_LBEARING)); | |
1918 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_RBEARING))) | |
1919 | CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_RBEARING)); | |
1920 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_WIDTH))) | |
1921 | CHECK_NATNUM (LGSTRING_SLOT (gstring, LGSTRING_IX_WIDTH)); | |
1922 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT))) | |
1923 | CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT)); | |
1924 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT))) | |
1925 | CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT)); | |
e950d6f1 | 1926 | |
071132a9 | 1927 | for (i = 0; i < LGSTRING_GLYPH_LEN (gstring); i++) |
e950d6f1 KH |
1928 | { |
1929 | val = LGSTRING_GLYPH (gstring, i); | |
1930 | CHECK_VECTOR (val); | |
1931 | if (ASIZE (val) < LGSTRING_GLYPH_SIZE) | |
1932 | goto err; | |
f9ffa1ea | 1933 | if (NILP (AREF (val, LGLYPH_IX_CHAR))) |
e950d6f1 | 1934 | break; |
f9ffa1ea SM |
1935 | CHECK_NATNUM (AREF (val, LGLYPH_IX_FROM)); |
1936 | CHECK_NATNUM (AREF (val, LGLYPH_IX_TO)); | |
1937 | CHECK_CHARACTER (AREF (val, LGLYPH_IX_CHAR)); | |
1938 | if (!NILP (AREF (val, LGLYPH_IX_CODE))) | |
1939 | CHECK_NATNUM (AREF (val, LGLYPH_IX_CODE)); | |
1940 | if (!NILP (AREF (val, LGLYPH_IX_WIDTH))) | |
1941 | CHECK_NATNUM (AREF (val, LGLYPH_IX_WIDTH)); | |
1942 | if (!NILP (AREF (val, LGLYPH_IX_ADJUSTMENT))) | |
e950d6f1 | 1943 | { |
f9ffa1ea | 1944 | val = AREF (val, LGLYPH_IX_ADJUSTMENT); |
e950d6f1 KH |
1945 | CHECK_VECTOR (val); |
1946 | if (ASIZE (val) < 3) | |
1947 | goto err; | |
1948 | for (j = 0; j < 3; j++) | |
1949 | CHECK_NUMBER (AREF (val, j)); | |
1950 | } | |
1951 | } | |
1952 | return i; | |
1953 | err: | |
1954 | error ("Invalid glyph-string format"); | |
1955 | return -1; | |
1956 | } | |
1957 | ||
cf385d93 KH |
1958 | static void |
1959 | check_otf_features (otf_features) | |
1960 | Lisp_Object otf_features; | |
1961 | { | |
35027d0c | 1962 | Lisp_Object val; |
cf385d93 KH |
1963 | |
1964 | CHECK_CONS (otf_features); | |
1965 | CHECK_SYMBOL (XCAR (otf_features)); | |
1966 | otf_features = XCDR (otf_features); | |
1967 | CHECK_CONS (otf_features); | |
1968 | CHECK_SYMBOL (XCAR (otf_features)); | |
1969 | otf_features = XCDR (otf_features); | |
1970 | for (val = Fcar (otf_features); ! NILP (val); val = Fcdr (val)) | |
1971 | { | |
1972 | CHECK_SYMBOL (Fcar (val)); | |
1973 | if (SBYTES (SYMBOL_NAME (XCAR (val))) > 4) | |
1974 | error ("Invalid OTF GSUB feature: %s", SYMBOL_NAME (XCAR (val))); | |
1975 | } | |
1976 | otf_features = XCDR (otf_features); | |
1977 | for (val = Fcar (otf_features); ! NILP (val); val = Fcdr (val)) | |
1978 | { | |
1979 | CHECK_SYMBOL (Fcar (val)); | |
1980 | if (SBYTES (SYMBOL_NAME (XCAR (val))) > 4) | |
1981 | error ("Invalid OTF GPOS feature: %s", SYMBOL_NAME (XCAR (val))); | |
1982 | } | |
1983 | } | |
1984 | ||
c2f5bfd6 KH |
1985 | #ifdef HAVE_LIBOTF |
1986 | #include <otf.h> | |
1987 | ||
733fd013 | 1988 | Lisp_Object otf_list; |
c2f5bfd6 KH |
1989 | |
1990 | static Lisp_Object | |
1991 | otf_tag_symbol (tag) | |
1992 | OTF_Tag tag; | |
1993 | { | |
1994 | char name[5]; | |
1995 | ||
1996 | OTF_tag_name (tag, name); | |
1997 | return Fintern (make_unibyte_string (name, 4), Qnil); | |
1998 | } | |
1999 | ||
2000 | static OTF * | |
35027d0c KH |
2001 | otf_open (file) |
2002 | Lisp_Object file; | |
c2f5bfd6 | 2003 | { |
35027d0c | 2004 | Lisp_Object val = Fassoc (file, otf_list); |
733fd013 KH |
2005 | OTF *otf; |
2006 | ||
2007 | if (! NILP (val)) | |
2008 | otf = XSAVE_VALUE (XCDR (val))->pointer; | |
2009 | else | |
c2f5bfd6 | 2010 | { |
35027d0c | 2011 | otf = STRINGP (file) ? OTF_open ((char *) SDATA (file)) : NULL; |
733fd013 | 2012 | val = make_save_value (otf, 0); |
35027d0c | 2013 | otf_list = Fcons (Fcons (file, val), otf_list); |
c2f5bfd6 | 2014 | } |
733fd013 | 2015 | return otf; |
c2f5bfd6 KH |
2016 | } |
2017 | ||
2018 | ||
2019 | /* Return a list describing which scripts/languages FONT supports by | |
2020 | which GSUB/GPOS features of OpenType tables. See the comment of | |
51c01100 | 2021 | (struct font_driver).otf_capability. */ |
c2f5bfd6 KH |
2022 | |
2023 | Lisp_Object | |
2024 | font_otf_capability (font) | |
2025 | struct font *font; | |
2026 | { | |
2027 | OTF *otf; | |
2028 | Lisp_Object capability = Fcons (Qnil, Qnil); | |
2029 | int i; | |
2030 | ||
35027d0c | 2031 | otf = otf_open (font->props[FONT_FILE_INDEX]); |
c2f5bfd6 KH |
2032 | if (! otf) |
2033 | return Qnil; | |
2034 | for (i = 0; i < 2; i++) | |
2035 | { | |
2036 | OTF_GSUB_GPOS *gsub_gpos; | |
2037 | Lisp_Object script_list = Qnil; | |
2038 | int j; | |
2039 | ||
2040 | if (OTF_get_features (otf, i == 0) < 0) | |
2041 | continue; | |
2042 | gsub_gpos = i == 0 ? otf->gsub : otf->gpos; | |
2043 | for (j = gsub_gpos->ScriptList.ScriptCount - 1; j >= 0; j--) | |
2044 | { | |
2045 | OTF_Script *script = gsub_gpos->ScriptList.Script + j; | |
2046 | Lisp_Object langsys_list = Qnil; | |
2047 | Lisp_Object script_tag = otf_tag_symbol (script->ScriptTag); | |
2048 | int k; | |
2049 | ||
2050 | for (k = script->LangSysCount; k >= 0; k--) | |
2051 | { | |
2052 | OTF_LangSys *langsys; | |
2053 | Lisp_Object feature_list = Qnil; | |
2054 | Lisp_Object langsys_tag; | |
2055 | int l; | |
2056 | ||
e80e09b4 | 2057 | if (k == script->LangSysCount) |
c2f5bfd6 KH |
2058 | { |
2059 | langsys = &script->DefaultLangSys; | |
2060 | langsys_tag = Qnil; | |
2061 | } | |
2062 | else | |
2063 | { | |
2064 | langsys = script->LangSys + k; | |
2065 | langsys_tag | |
2066 | = otf_tag_symbol (script->LangSysRecord[k].LangSysTag); | |
2067 | } | |
e80e09b4 | 2068 | for (l = langsys->FeatureCount - 1; l >= 0; l--) |
c2f5bfd6 KH |
2069 | { |
2070 | OTF_Feature *feature | |
2071 | = gsub_gpos->FeatureList.Feature + langsys->FeatureIndex[l]; | |
2072 | Lisp_Object feature_tag | |
2073 | = otf_tag_symbol (feature->FeatureTag); | |
2074 | ||
2075 | feature_list = Fcons (feature_tag, feature_list); | |
2076 | } | |
2077 | langsys_list = Fcons (Fcons (langsys_tag, feature_list), | |
2078 | langsys_list); | |
2079 | } | |
2080 | script_list = Fcons (Fcons (script_tag, langsys_list), | |
2081 | script_list); | |
2082 | } | |
2083 | ||
2084 | if (i == 0) | |
2085 | XSETCAR (capability, script_list); | |
2086 | else | |
2087 | XSETCDR (capability, script_list); | |
2088 | } | |
2089 | ||
2090 | return capability; | |
2091 | } | |
2092 | ||
733fd013 KH |
2093 | /* Parse OTF features in SPEC and write a proper features spec string |
2094 | in FEATURES for the call of OTF_drive_gsub/gpos (of libotf). It is | |
2095 | assured that the sufficient memory has already allocated for | |
2096 | FEATURES. */ | |
2097 | ||
e80e09b4 | 2098 | static void |
733fd013 | 2099 | generate_otf_features (spec, features) |
c2f5bfd6 | 2100 | Lisp_Object spec; |
733fd013 | 2101 | char *features; |
c2f5bfd6 KH |
2102 | { |
2103 | Lisp_Object val; | |
35027d0c | 2104 | char *p; |
c2f5bfd6 KH |
2105 | int asterisk; |
2106 | ||
733fd013 | 2107 | p = features; |
e80e09b4 | 2108 | *p = '\0'; |
c2f5bfd6 KH |
2109 | for (asterisk = 0; CONSP (spec); spec = XCDR (spec)) |
2110 | { | |
2111 | val = XCAR (spec); | |
e80e09b4 KH |
2112 | CHECK_SYMBOL (val); |
2113 | if (p > features) | |
733fd013 | 2114 | *p++ = ','; |
c2f5bfd6 KH |
2115 | if (SREF (SYMBOL_NAME (val), 0) == '*') |
2116 | { | |
2117 | asterisk = 1; | |
e80e09b4 | 2118 | *p++ = '*'; |
c2f5bfd6 KH |
2119 | } |
2120 | else if (! asterisk) | |
e80e09b4 KH |
2121 | { |
2122 | val = SYMBOL_NAME (val); | |
e80e09b4 KH |
2123 | p += sprintf (p, "%s", SDATA (val)); |
2124 | } | |
c2f5bfd6 | 2125 | else |
e80e09b4 KH |
2126 | { |
2127 | val = SYMBOL_NAME (val); | |
e80e09b4 KH |
2128 | p += sprintf (p, "~%s", SDATA (val)); |
2129 | } | |
c2f5bfd6 | 2130 | } |
e80e09b4 KH |
2131 | if (CONSP (spec)) |
2132 | error ("OTF spec too long"); | |
2133 | } | |
2134 | ||
733fd013 KH |
2135 | Lisp_Object |
2136 | font_otf_DeviceTable (device_table) | |
2137 | OTF_DeviceTable *device_table; | |
2138 | { | |
2139 | int len = device_table->StartSize - device_table->EndSize + 1; | |
2140 | ||
2141 | return Fcons (make_number (len), | |
2142 | make_unibyte_string (device_table->DeltaValue, len)); | |
2143 | } | |
2144 | ||
2145 | Lisp_Object | |
2146 | font_otf_ValueRecord (value_format, value_record) | |
2147 | int value_format; | |
2148 | OTF_ValueRecord *value_record; | |
2149 | { | |
2150 | Lisp_Object val = Fmake_vector (make_number (8), Qnil); | |
2151 | ||
2152 | if (value_format & OTF_XPlacement) | |
43c0454d | 2153 | ASET (val, 0, make_number (value_record->XPlacement)); |
733fd013 | 2154 | if (value_format & OTF_YPlacement) |
43c0454d | 2155 | ASET (val, 1, make_number (value_record->YPlacement)); |
733fd013 | 2156 | if (value_format & OTF_XAdvance) |
43c0454d | 2157 | ASET (val, 2, make_number (value_record->XAdvance)); |
733fd013 | 2158 | if (value_format & OTF_YAdvance) |
43c0454d | 2159 | ASET (val, 3, make_number (value_record->YAdvance)); |
733fd013 KH |
2160 | if (value_format & OTF_XPlaDevice) |
2161 | ASET (val, 4, font_otf_DeviceTable (&value_record->XPlaDevice)); | |
2162 | if (value_format & OTF_YPlaDevice) | |
2163 | ASET (val, 4, font_otf_DeviceTable (&value_record->YPlaDevice)); | |
2164 | if (value_format & OTF_XAdvDevice) | |
2165 | ASET (val, 4, font_otf_DeviceTable (&value_record->XAdvDevice)); | |
2166 | if (value_format & OTF_YAdvDevice) | |
2167 | ASET (val, 4, font_otf_DeviceTable (&value_record->YAdvDevice)); | |
2168 | return val; | |
2169 | } | |
2170 | ||
2171 | Lisp_Object | |
2172 | font_otf_Anchor (anchor) | |
2173 | OTF_Anchor *anchor; | |
2174 | { | |
2175 | Lisp_Object val; | |
2176 | ||
2177 | val = Fmake_vector (make_number (anchor->AnchorFormat + 1), Qnil); | |
2178 | ASET (val, 0, make_number (anchor->XCoordinate)); | |
2179 | ASET (val, 1, make_number (anchor->YCoordinate)); | |
2180 | if (anchor->AnchorFormat == 2) | |
2181 | ASET (val, 2, make_number (anchor->f.f1.AnchorPoint)); | |
2182 | else | |
2183 | { | |
2184 | ASET (val, 3, font_otf_DeviceTable (&anchor->f.f2.XDeviceTable)); | |
2185 | ASET (val, 4, font_otf_DeviceTable (&anchor->f.f2.YDeviceTable)); | |
2186 | } | |
2187 | return val; | |
2188 | } | |
c2f5bfd6 | 2189 | #endif /* HAVE_LIBOTF */ |
6a3dadd2 | 2190 | #endif /* 0 */ |
c2f5bfd6 | 2191 | |
c2f5bfd6 KH |
2192 | \f |
2193 | /* Font sorting */ | |
2194 | ||
4007dd1c | 2195 | static unsigned font_score P_ ((Lisp_Object, Lisp_Object *)); |
c2f5bfd6 | 2196 | static int font_compare P_ ((const void *, const void *)); |
2645d15b | 2197 | static Lisp_Object font_sort_entities P_ ((Lisp_Object, Lisp_Object, |
7181ea6a | 2198 | Lisp_Object, int)); |
c2f5bfd6 | 2199 | |
55e41770 KH |
2200 | /* Return a rescaling ratio of FONT_ENTITY. */ |
2201 | extern Lisp_Object Vface_font_rescale_alist; | |
2202 | ||
2203 | static double | |
2204 | font_rescale_ratio (font_entity) | |
2205 | Lisp_Object font_entity; | |
2206 | { | |
2207 | Lisp_Object tail, elt; | |
2208 | Lisp_Object name = Qnil; | |
2209 | ||
2210 | for (tail = Vface_font_rescale_alist; CONSP (tail); tail = XCDR (tail)) | |
2211 | { | |
2212 | elt = XCAR (tail); | |
2213 | if (FLOATP (XCDR (elt))) | |
2214 | { | |
2215 | if (STRINGP (XCAR (elt))) | |
2216 | { | |
2217 | if (NILP (name)) | |
2218 | name = Ffont_xlfd_name (font_entity, Qnil); | |
2219 | if (fast_string_match_ignore_case (XCAR (elt), name) >= 0) | |
2220 | return XFLOAT_DATA (XCDR (elt)); | |
2221 | } | |
2222 | else if (FONT_SPEC_P (XCAR (elt))) | |
2223 | { | |
2224 | if (font_match_p (XCAR (elt), font_entity)) | |
2225 | return XFLOAT_DATA (XCDR (elt)); | |
2226 | } | |
2227 | } | |
2228 | } | |
2229 | return 1.0; | |
2230 | } | |
2231 | ||
c2f5bfd6 KH |
2232 | /* We sort fonts by scoring each of them against a specified |
2233 | font-spec. The score value is 32 bit (`unsigned'), and the smaller | |
2234 | the value is, the closer the font is to the font-spec. | |
2235 | ||
4007dd1c KH |
2236 | The lowest 2 bits of the score is used for driver type. The font |
2237 | available by the most preferred font driver is 0. | |
35027d0c | 2238 | |
4007dd1c | 2239 | Each 7-bit in the higher 28 bits are used for numeric properties |
c2f5bfd6 KH |
2240 | WEIGHT, SLANT, WIDTH, and SIZE. */ |
2241 | ||
2242 | /* How many bits to shift to store the difference value of each font | |
35027d0c KH |
2243 | property in a score. Note that flots for FONT_TYPE_INDEX and |
2244 | FONT_REGISTRY_INDEX are not used. */ | |
c2f5bfd6 KH |
2245 | static int sort_shift_bits[FONT_SIZE_INDEX + 1]; |
2246 | ||
9331887d KH |
2247 | /* Score font-entity ENTITY against properties of font-spec SPEC_PROP. |
2248 | The return value indicates how different ENTITY is compared with | |
51c13510 | 2249 | SPEC_PROP. */ |
c2f5bfd6 KH |
2250 | |
2251 | static unsigned | |
4007dd1c | 2252 | font_score (entity, spec_prop) |
9331887d | 2253 | Lisp_Object entity, *spec_prop; |
c2f5bfd6 KH |
2254 | { |
2255 | unsigned score = 0; | |
2256 | int i; | |
c2f5bfd6 | 2257 | |
35027d0c KH |
2258 | /* Score three style numeric fields. Maximum difference is 127. */ |
2259 | for (i = FONT_WEIGHT_INDEX; i <= FONT_WIDTH_INDEX; i++) | |
2260 | if (! NILP (spec_prop[i]) && ! EQ (AREF (entity, i), spec_prop[i])) | |
2261 | { | |
2262 | int diff = (XINT (AREF (entity, i)) >> 8) - (XINT (spec_prop[i]) >> 8); | |
2263 | ||
2264 | if (diff < 0) | |
2265 | diff = - diff; | |
f4cc0153 KH |
2266 | if (diff > 0) |
2267 | score |= min (diff, 127) << sort_shift_bits[i]; | |
35027d0c KH |
2268 | } |
2269 | ||
2270 | /* Score the size. Maximum difference is 127. */ | |
2271 | i = FONT_SIZE_INDEX; | |
55e41770 KH |
2272 | if (! NILP (spec_prop[FONT_SIZE_INDEX]) |
2273 | && XINT (AREF (entity, FONT_SIZE_INDEX)) > 0) | |
35027d0c KH |
2274 | { |
2275 | /* We use the higher 6-bit for the actual size difference. The | |
2276 | lowest bit is set if the DPI is different. */ | |
55e41770 KH |
2277 | int diff; |
2278 | int pixel_size = XINT (spec_prop[FONT_SIZE_INDEX]); | |
35027d0c | 2279 | |
55e41770 KH |
2280 | if (CONSP (Vface_font_rescale_alist)) |
2281 | pixel_size *= font_rescale_ratio (entity); | |
2282 | diff = pixel_size - XINT (AREF (entity, FONT_SIZE_INDEX)); | |
35027d0c KH |
2283 | if (diff < 0) |
2284 | diff = - diff; | |
d0ab1ebe | 2285 | diff <<= 1; |
35027d0c KH |
2286 | if (! NILP (spec_prop[FONT_DPI_INDEX]) |
2287 | && ! EQ (spec_prop[FONT_DPI_INDEX], AREF (entity, FONT_DPI_INDEX))) | |
2288 | diff |= 1; | |
c0a6070d KH |
2289 | if (! NILP (spec_prop[FONT_AVGWIDTH_INDEX]) |
2290 | && ! EQ (spec_prop[FONT_AVGWIDTH_INDEX], AREF (entity, FONT_AVGWIDTH_INDEX))) | |
2291 | diff |= 1; | |
35027d0c | 2292 | score |= min (diff, 127) << sort_shift_bits[FONT_SIZE_INDEX]; |
c2f5bfd6 KH |
2293 | } |
2294 | ||
2295 | return score; | |
2296 | } | |
2297 | ||
2298 | ||
72d36834 KH |
2299 | /* Concatenate all elements of LIST into one vector. LIST is a list |
2300 | of font-entity vectors. */ | |
c2f5bfd6 | 2301 | |
72d36834 KH |
2302 | static Lisp_Object |
2303 | font_vconcat_entity_vectors (Lisp_Object list) | |
c2f5bfd6 | 2304 | { |
72d36834 KH |
2305 | int nargs = XINT (Flength (list)); |
2306 | Lisp_Object *args = alloca (sizeof (Lisp_Object) * nargs); | |
2307 | int i; | |
2308 | ||
2309 | for (i = 0; i < nargs; i++, list = XCDR (list)) | |
2310 | args[i] = XCAR (list); | |
2311 | return Fvconcat (nargs, args); | |
c2f5bfd6 KH |
2312 | } |
2313 | ||
2314 | ||
2315 | /* The structure for elements being sorted by qsort. */ | |
2316 | struct font_sort_data | |
2317 | { | |
2318 | unsigned score; | |
72d36834 | 2319 | int font_driver_preference; |
c2f5bfd6 KH |
2320 | Lisp_Object entity; |
2321 | }; | |
2322 | ||
2323 | ||
72d36834 KH |
2324 | /* The comparison function for qsort. */ |
2325 | ||
2326 | static int | |
2327 | font_compare (d1, d2) | |
2328 | const void *d1, *d2; | |
2329 | { | |
2330 | const struct font_sort_data *data1 = d1; | |
2331 | const struct font_sort_data *data2 = d2; | |
2332 | ||
2333 | if (data1->score < data2->score) | |
2334 | return -1; | |
2335 | else if (data1->score > data2->score) | |
2336 | return 1; | |
2337 | return (data1->font_driver_preference - data2->font_driver_preference); | |
2338 | } | |
2339 | ||
2340 | ||
2341 | /* Sort each font-entity vector in LIST by closeness to font-spec PREFER. | |
c2f5bfd6 | 2342 | If PREFER specifies a point-size, calculate the corresponding |
9331887d | 2343 | pixel-size from QCdpi property of PREFER or from the Y-resolution |
7181ea6a | 2344 | of FRAME before sorting. |
35027d0c | 2345 | |
c9477f01 KH |
2346 | If BEST-ONLY is nonzero, return the best matching entity (that |
2347 | supports the character BEST-ONLY if BEST-ONLY is positive, or any | |
72d36834 KH |
2348 | if BEST-ONLY is negative). Otherwise, return the sorted result as |
2349 | a single vector of font-entities. | |
c9477f01 | 2350 | |
72d36834 KH |
2351 | This function does no optimization for the case that the total |
2352 | number of elements is 1. The caller should avoid calling this in | |
2353 | such a case. */ | |
c2f5bfd6 KH |
2354 | |
2355 | static Lisp_Object | |
72d36834 KH |
2356 | font_sort_entities (list, prefer, frame, best_only) |
2357 | Lisp_Object list, prefer, frame; | |
35027d0c | 2358 | int best_only; |
c2f5bfd6 | 2359 | { |
9331887d | 2360 | Lisp_Object prefer_prop[FONT_SPEC_MAX]; |
72d36834 | 2361 | int len, maxlen, i; |
c2f5bfd6 | 2362 | struct font_sort_data *data; |
35027d0c | 2363 | unsigned best_score; |
72d36834 | 2364 | Lisp_Object best_entity; |
4007dd1c | 2365 | struct frame *f = XFRAME (frame); |
72d36834 | 2366 | Lisp_Object tail, vec; |
c2f5bfd6 KH |
2367 | USE_SAFE_ALLOCA; |
2368 | ||
9903d1e6 | 2369 | for (i = FONT_WEIGHT_INDEX; i <= FONT_AVGWIDTH_INDEX; i++) |
9331887d | 2370 | prefer_prop[i] = AREF (prefer, i); |
9331887d KH |
2371 | if (FLOATP (prefer_prop[FONT_SIZE_INDEX])) |
2372 | prefer_prop[FONT_SIZE_INDEX] | |
2373 | = make_number (font_pixel_size (XFRAME (frame), prefer)); | |
2374 | ||
72d36834 KH |
2375 | if (NILP (XCDR (list))) |
2376 | { | |
2377 | /* What we have to take care of is this single vector. */ | |
2378 | vec = XCAR (list); | |
2379 | maxlen = ASIZE (vec); | |
2380 | } | |
2381 | else if (best_only) | |
2382 | { | |
2383 | /* We don't have to perform sort, so there's no need of creating | |
2384 | a single vector. But, we must find the length of the longest | |
2385 | vector. */ | |
2386 | maxlen = 0; | |
2387 | for (tail = list; CONSP (tail); tail = XCDR (tail)) | |
2388 | if (maxlen < ASIZE (XCAR (tail))) | |
2389 | maxlen = ASIZE (XCAR (tail)); | |
2390 | } | |
2391 | else | |
2392 | { | |
2393 | /* We have to create a single vector to sort it. */ | |
2394 | vec = font_vconcat_entity_vectors (list); | |
2395 | maxlen = ASIZE (vec); | |
2396 | } | |
2397 | ||
2398 | SAFE_ALLOCA (data, struct font_sort_data *, (sizeof *data) * maxlen); | |
c9477f01 KH |
2399 | best_score = 0xFFFFFFFF; |
2400 | best_entity = Qnil; | |
72d36834 KH |
2401 | |
2402 | for (tail = list; CONSP (tail); tail = XCDR (tail)) | |
c2f5bfd6 | 2403 | { |
72d36834 KH |
2404 | int font_driver_preference = 0; |
2405 | Lisp_Object current_font_driver; | |
ce75f06e | 2406 | |
72d36834 KH |
2407 | if (best_only) |
2408 | vec = XCAR (tail); | |
2409 | len = ASIZE (vec); | |
2410 | ||
2411 | /* We are sure that the length of VEC > 0. */ | |
2412 | current_font_driver = AREF (AREF (vec, 0), FONT_TYPE_INDEX); | |
2413 | /* Score the elements. */ | |
2414 | for (i = 0; i < len; i++) | |
35027d0c | 2415 | { |
72d36834 KH |
2416 | data[i].entity = AREF (vec, i); |
2417 | data[i].score | |
2418 | = ((best_only <= 0 || font_has_char (f, data[i].entity, best_only) | |
2419 | > 0) | |
2420 | ? font_score (data[i].entity, prefer_prop) | |
2421 | : 0xFFFFFFFF); | |
2422 | if (best_only && best_score > data[i].score) | |
2423 | { | |
2424 | best_score = data[i].score; | |
2425 | best_entity = data[i].entity; | |
2426 | if (best_score == 0) | |
2427 | break; | |
2428 | } | |
2429 | if (! EQ (current_font_driver, AREF (AREF (vec, i), FONT_TYPE_INDEX))) | |
2430 | { | |
2431 | current_font_driver = AREF (AREF (vec, i), FONT_TYPE_INDEX); | |
2432 | font_driver_preference++; | |
2433 | } | |
2434 | data[i].font_driver_preference = font_driver_preference; | |
35027d0c | 2435 | } |
72d36834 KH |
2436 | |
2437 | /* Sort if necessary. */ | |
2438 | if (! best_only) | |
2439 | { | |
2440 | qsort (data, len, sizeof *data, font_compare); | |
2441 | for (i = 0; i < len; i++) | |
2442 | ASET (vec, i, data[i].entity); | |
2443 | break; | |
2444 | } | |
2445 | else | |
2446 | vec = best_entity; | |
c2f5bfd6 | 2447 | } |
72d36834 | 2448 | |
c2f5bfd6 KH |
2449 | SAFE_FREE (); |
2450 | ||
652b9560 | 2451 | FONT_ADD_LOG ("sort-by", prefer, vec); |
c2f5bfd6 KH |
2452 | return vec; |
2453 | } | |
2454 | ||
2455 | \f | |
2456 | /* API of Font Service Layer. */ | |
2457 | ||
45eb10fb KH |
2458 | /* Reflect ORDER (see the variable font_sort_order in xfaces.c) to |
2459 | sort_shift_bits. Finternal_set_font_selection_order calls this | |
2460 | function with font_sort_order after setting up it. */ | |
2461 | ||
c2f5bfd6 KH |
2462 | void |
2463 | font_update_sort_order (order) | |
2464 | int *order; | |
2465 | { | |
35027d0c | 2466 | int i, shift_bits; |
c2f5bfd6 | 2467 | |
943b7eea | 2468 | for (i = 0, shift_bits = 23; i < 4; i++, shift_bits -= 7) |
c2f5bfd6 KH |
2469 | { |
2470 | int xlfd_idx = order[i]; | |
2471 | ||
2472 | if (xlfd_idx == XLFD_WEIGHT_INDEX) | |
2473 | sort_shift_bits[FONT_WEIGHT_INDEX] = shift_bits; | |
2474 | else if (xlfd_idx == XLFD_SLANT_INDEX) | |
2475 | sort_shift_bits[FONT_SLANT_INDEX] = shift_bits; | |
2476 | else if (xlfd_idx == XLFD_SWIDTH_INDEX) | |
2477 | sort_shift_bits[FONT_WIDTH_INDEX] = shift_bits; | |
2478 | else | |
2479 | sort_shift_bits[FONT_SIZE_INDEX] = shift_bits; | |
2480 | } | |
2481 | } | |
2482 | ||
51c13510 KH |
2483 | static int |
2484 | font_check_otf_features (script, langsys, features, table) | |
2485 | Lisp_Object script, langsys, features, table; | |
2486 | { | |
2487 | Lisp_Object val; | |
2488 | int negative; | |
2489 | ||
2490 | table = assq_no_quit (script, table); | |
2491 | if (NILP (table)) | |
2492 | return 0; | |
2493 | table = XCDR (table); | |
2494 | if (! NILP (langsys)) | |
2495 | { | |
2496 | table = assq_no_quit (langsys, table); | |
2497 | if (NILP (table)) | |
2498 | return 0; | |
2499 | } | |
2500 | else | |
2501 | { | |
2502 | val = assq_no_quit (Qnil, table); | |
2503 | if (NILP (val)) | |
2504 | table = XCAR (table); | |
2505 | else | |
2506 | table = val; | |
2507 | } | |
2508 | table = XCDR (table); | |
2509 | for (negative = 0; CONSP (features); features = XCDR (features)) | |
2510 | { | |
2511 | if (NILP (XCAR (features))) | |
c423ecca KH |
2512 | { |
2513 | negative = 1; | |
2514 | continue; | |
2515 | } | |
51c13510 KH |
2516 | if (NILP (Fmemq (XCAR (features), table)) != negative) |
2517 | return 0; | |
2518 | } | |
2519 | return 1; | |
2520 | } | |
2521 | ||
2522 | /* Check if OTF_CAPABILITY satisfies SPEC (otf-spec). */ | |
2523 | ||
2524 | static int | |
3cba9369 | 2525 | font_check_otf (Lisp_Object spec, Lisp_Object otf_capability) |
51c13510 KH |
2526 | { |
2527 | Lisp_Object script, langsys = Qnil, gsub = Qnil, gpos = Qnil; | |
2528 | ||
2529 | script = XCAR (spec); | |
2530 | spec = XCDR (spec); | |
2531 | if (! NILP (spec)) | |
2532 | { | |
2533 | langsys = XCAR (spec); | |
2534 | spec = XCDR (spec); | |
2535 | if (! NILP (spec)) | |
2536 | { | |
2537 | gsub = XCAR (spec); | |
2538 | spec = XCDR (spec); | |
2539 | if (! NILP (spec)) | |
2540 | gpos = XCAR (spec); | |
2541 | } | |
2542 | } | |
2543 | ||
2544 | if (! NILP (gsub) && ! font_check_otf_features (script, langsys, gsub, | |
2545 | XCAR (otf_capability))) | |
2546 | return 0; | |
2547 | if (! NILP (gpos) && ! font_check_otf_features (script, langsys, gpos, | |
2548 | XCDR (otf_capability))) | |
2549 | return 0; | |
2550 | return 1; | |
2551 | } | |
2552 | ||
45eb10fb | 2553 | |
51c13510 KH |
2554 | |
2555 | /* Check if FONT (font-entity or font-object) matches with the font | |
2556 | specification SPEC. */ | |
45eb10fb | 2557 | |
ef18374f | 2558 | int |
51c13510 KH |
2559 | font_match_p (spec, font) |
2560 | Lisp_Object spec, font; | |
ef18374f | 2561 | { |
51c13510 KH |
2562 | Lisp_Object prop[FONT_SPEC_MAX], *props; |
2563 | Lisp_Object extra, font_extra; | |
ef18374f KH |
2564 | int i; |
2565 | ||
51c13510 KH |
2566 | for (i = FONT_FOUNDRY_INDEX; i <= FONT_REGISTRY_INDEX; i++) |
2567 | if (! NILP (AREF (spec, i)) | |
2568 | && ! NILP (AREF (font, i)) | |
2569 | && ! EQ (AREF (spec, i), AREF (font, i))) | |
2570 | return 0; | |
2571 | props = XFONT_SPEC (spec)->props; | |
2572 | if (FLOATP (props[FONT_SIZE_INDEX])) | |
2573 | { | |
2574 | for (i = FONT_FOUNDRY_INDEX; i < FONT_SIZE_INDEX; i++) | |
2575 | prop[i] = AREF (spec, i); | |
2576 | prop[FONT_SIZE_INDEX] | |
2577 | = make_number (font_pixel_size (XFRAME (selected_frame), spec)); | |
2578 | props = prop; | |
2579 | } | |
2580 | ||
2581 | if (font_score (font, props) > 0) | |
2582 | return 0; | |
2583 | extra = AREF (spec, FONT_EXTRA_INDEX); | |
2584 | font_extra = AREF (font, FONT_EXTRA_INDEX); | |
2585 | for (; CONSP (extra); extra = XCDR (extra)) | |
35027d0c | 2586 | { |
51c13510 KH |
2587 | Lisp_Object key = XCAR (XCAR (extra)); |
2588 | Lisp_Object val = XCDR (XCAR (extra)), val2; | |
2589 | ||
2590 | if (EQ (key, QClang)) | |
2591 | { | |
2592 | val2 = assq_no_quit (key, font_extra); | |
2593 | if (NILP (val2)) | |
2594 | return 0; | |
2595 | val2 = XCDR (val2); | |
2596 | if (CONSP (val)) | |
2597 | { | |
2598 | if (! CONSP (val2)) | |
2599 | return 0; | |
2600 | while (CONSP (val)) | |
2601 | if (NILP (Fmemq (val, val2))) | |
2602 | return 0; | |
2603 | } | |
2604 | else | |
2605 | if (CONSP (val2) | |
2606 | ? NILP (Fmemq (val, XCDR (val2))) | |
2607 | : ! EQ (val, val2)) | |
2608 | return 0; | |
2609 | } | |
2610 | else if (EQ (key, QCscript)) | |
2611 | { | |
2612 | val2 = assq_no_quit (val, Vscript_representative_chars); | |
5bdd4dd2 KH |
2613 | if (CONSP (val2)) |
2614 | { | |
2615 | val2 = XCDR (val2); | |
2616 | if (CONSP (val2)) | |
2617 | { | |
2618 | /* All characters in the list must be supported. */ | |
2619 | for (; CONSP (val2); val2 = XCDR (val2)) | |
2620 | { | |
2621 | if (! NATNUMP (XCAR (val2))) | |
2622 | continue; | |
2623 | if (font_encode_char (font, XFASTINT (XCAR (val2))) | |
2624 | == FONT_INVALID_CODE) | |
2625 | return 0; | |
2626 | } | |
2627 | } | |
2628 | else if (VECTORP (val2)) | |
2629 | { | |
2630 | /* At most one character in the vector must be supported. */ | |
2631 | for (i = 0; i < ASIZE (val2); i++) | |
2632 | { | |
2633 | if (! NATNUMP (AREF (val2, i))) | |
2634 | continue; | |
2635 | if (font_encode_char (font, XFASTINT (AREF (val2, i))) | |
2636 | != FONT_INVALID_CODE) | |
f5485732 | 2637 | break; |
5bdd4dd2 KH |
2638 | } |
2639 | if (i == ASIZE (val2)) | |
2640 | return 0; | |
2641 | } | |
2642 | } | |
51c13510 KH |
2643 | } |
2644 | else if (EQ (key, QCotf)) | |
2645 | { | |
2646 | struct font *fontp; | |
2647 | ||
2648 | if (! FONT_OBJECT_P (font)) | |
2649 | return 0; | |
2650 | fontp = XFONT_OBJECT (font); | |
2651 | if (! fontp->driver->otf_capability) | |
2652 | return 0; | |
2653 | val2 = fontp->driver->otf_capability (fontp); | |
2654 | if (NILP (val2) || ! font_check_otf (val, val2)) | |
2655 | return 0; | |
2656 | } | |
35027d0c KH |
2657 | } |
2658 | ||
51c13510 | 2659 | return 1; |
ef18374f | 2660 | } |
ca4da08a | 2661 | \f |
819e81df | 2662 | |
ca4da08a KH |
2663 | /* Font cache |
2664 | ||
2665 | Each font backend has the callback function get_cache, and it | |
2666 | returns a cons cell of which cdr part can be freely used for | |
2667 | caching fonts. The cons cell may be shared by multiple frames | |
2668 | and/or multiple font drivers. So, we arrange the cdr part as this: | |
2669 | ||
2670 | ((DRIVER-TYPE NUM-FRAMES FONT-CACHE-DATA ...) ...) | |
2671 | ||
2672 | where DRIVER-TYPE is a symbol such as `x', `xft', etc., NUM-FRAMES | |
2673 | is a number frames sharing this cache, and FONT-CACHE-DATA is a | |
2674 | cons (FONT-SPEC FONT-ENTITY ...). */ | |
2675 | ||
2676 | static void font_prepare_cache P_ ((FRAME_PTR, struct font_driver *)); | |
2677 | static void font_finish_cache P_ ((FRAME_PTR, struct font_driver *)); | |
2678 | static Lisp_Object font_get_cache P_ ((FRAME_PTR, struct font_driver *)); | |
2679 | static void font_clear_cache P_ ((FRAME_PTR, Lisp_Object, | |
2680 | struct font_driver *)); | |
2681 | ||
2682 | static void | |
2683 | font_prepare_cache (f, driver) | |
2684 | FRAME_PTR f; | |
2685 | struct font_driver *driver; | |
2686 | { | |
2687 | Lisp_Object cache, val; | |
2688 | ||
2689 | cache = driver->get_cache (f); | |
2690 | val = XCDR (cache); | |
2691 | while (CONSP (val) && ! EQ (XCAR (XCAR (val)), driver->type)) | |
2692 | val = XCDR (val); | |
2693 | if (NILP (val)) | |
2694 | { | |
2695 | val = Fcons (driver->type, Fcons (make_number (1), Qnil)); | |
2696 | XSETCDR (cache, Fcons (val, XCDR (cache))); | |
2697 | } | |
2698 | else | |
2699 | { | |
2700 | val = XCDR (XCAR (val)); | |
2701 | XSETCAR (val, make_number (XINT (XCAR (val)) + 1)); | |
2702 | } | |
2703 | } | |
2704 | ||
43c0454d | 2705 | |
ca4da08a KH |
2706 | static void |
2707 | font_finish_cache (f, driver) | |
2708 | FRAME_PTR f; | |
2709 | struct font_driver *driver; | |
2710 | { | |
2711 | Lisp_Object cache, val, tmp; | |
2712 | ||
2713 | ||
2714 | cache = driver->get_cache (f); | |
2715 | val = XCDR (cache); | |
2716 | while (CONSP (val) && ! EQ (XCAR (XCAR (val)), driver->type)) | |
2717 | cache = val, val = XCDR (val); | |
d0ab1ebe | 2718 | font_assert (! NILP (val)); |
ca4da08a | 2719 | tmp = XCDR (XCAR (val)); |
43c0454d | 2720 | XSETCAR (tmp, make_number (XINT (XCAR (tmp)) - 1)); |
ca4da08a KH |
2721 | if (XINT (XCAR (tmp)) == 0) |
2722 | { | |
2723 | font_clear_cache (f, XCAR (val), driver); | |
2724 | XSETCDR (cache, XCDR (val)); | |
2725 | } | |
ca4da08a KH |
2726 | } |
2727 | ||
43c0454d | 2728 | |
ca4da08a KH |
2729 | static Lisp_Object |
2730 | font_get_cache (f, driver) | |
2731 | FRAME_PTR f; | |
2732 | struct font_driver *driver; | |
2733 | { | |
2734 | Lisp_Object val = driver->get_cache (f); | |
2735 | Lisp_Object type = driver->type; | |
2736 | ||
d0ab1ebe | 2737 | font_assert (CONSP (val)); |
ca4da08a | 2738 | for (val = XCDR (val); ! EQ (XCAR (XCAR (val)), type); val = XCDR (val)); |
d0ab1ebe | 2739 | font_assert (CONSP (val)); |
ca4da08a KH |
2740 | /* VAL = ((DRIVER-TYPE NUM-FRAMES FONT-CACHE-DATA ...) ...) */ |
2741 | val = XCDR (XCAR (val)); | |
2742 | return val; | |
2743 | } | |
2744 | ||
43c0454d KH |
2745 | static int num_fonts; |
2746 | ||
ca4da08a KH |
2747 | static void |
2748 | font_clear_cache (f, cache, driver) | |
2749 | FRAME_PTR f; | |
2750 | Lisp_Object cache; | |
2751 | struct font_driver *driver; | |
2752 | { | |
2753 | Lisp_Object tail, elt; | |
6136b72f | 2754 | Lisp_Object tail2, entity; |
51c01100 | 2755 | |
ca4da08a KH |
2756 | /* CACHE = (DRIVER-TYPE NUM-FRAMES FONT-CACHE-DATA ...) */ |
2757 | for (tail = XCDR (XCDR (cache)); CONSP (tail); tail = XCDR (tail)) | |
2758 | { | |
2759 | elt = XCAR (tail); | |
6136b72f CY |
2760 | /* elt should have the form (FONT-SPEC FONT-ENTITY ...) */ |
2761 | if (CONSP (elt) && FONT_SPEC_P (XCAR (elt))) | |
ca4da08a | 2762 | { |
6136b72f | 2763 | for (tail2 = XCDR (elt); CONSP (tail2); tail2 = XCDR (tail2)) |
ca4da08a | 2764 | { |
6136b72f | 2765 | entity = XCAR (tail2); |
ca4da08a | 2766 | |
6136b72f CY |
2767 | if (FONT_ENTITY_P (entity) |
2768 | && EQ (driver->type, AREF (entity, FONT_TYPE_INDEX))) | |
ca4da08a KH |
2769 | { |
2770 | Lisp_Object objlist = AREF (entity, FONT_OBJLIST_INDEX); | |
2771 | ||
2772 | for (; CONSP (objlist); objlist = XCDR (objlist)) | |
2773 | { | |
2774 | Lisp_Object val = XCAR (objlist); | |
35027d0c | 2775 | struct font *font = XFONT_OBJECT (val); |
ca4da08a | 2776 | |
5e634ec9 KH |
2777 | if (! NILP (AREF (val, FONT_TYPE_INDEX))) |
2778 | { | |
2779 | font_assert (font && driver == font->driver); | |
2780 | driver->close (f, font); | |
2781 | num_fonts--; | |
2782 | } | |
ca4da08a KH |
2783 | } |
2784 | if (driver->free_entity) | |
2785 | driver->free_entity (entity); | |
2786 | } | |
2787 | } | |
2788 | } | |
2789 | } | |
2790 | XSETCDR (cache, Qnil); | |
2791 | } | |
2792 | \f | |
2793 | ||
c2f5bfd6 KH |
2794 | static Lisp_Object scratch_font_spec, scratch_font_prefer; |
2795 | ||
35027d0c | 2796 | Lisp_Object |
72d36834 KH |
2797 | font_delete_unmatched (vec, spec, size) |
2798 | Lisp_Object vec, spec; | |
35027d0c KH |
2799 | int size; |
2800 | { | |
d0ab1ebe | 2801 | Lisp_Object entity, val; |
35027d0c | 2802 | enum font_property_index prop; |
72d36834 | 2803 | int i; |
45eb10fb | 2804 | |
72d36834 | 2805 | for (val = Qnil, i = ASIZE (vec) - 1; i >= 0; i--) |
35027d0c | 2806 | { |
72d36834 | 2807 | entity = AREF (vec, i); |
35027d0c KH |
2808 | for (prop = FONT_WEIGHT_INDEX; prop < FONT_SIZE_INDEX; prop++) |
2809 | if (INTEGERP (AREF (spec, prop)) | |
2810 | && ((XINT (AREF (spec, prop)) >> 8) | |
2811 | != (XINT (AREF (entity, prop)) >> 8))) | |
2812 | prop = FONT_SPEC_MAX; | |
7181ea6a | 2813 | if (prop < FONT_SPEC_MAX |
35027d0c KH |
2814 | && size |
2815 | && XINT (AREF (entity, FONT_SIZE_INDEX)) > 0) | |
2816 | { | |
2817 | int diff = XINT (AREF (entity, FONT_SIZE_INDEX)) - size; | |
c2f5bfd6 | 2818 | |
35027d0c KH |
2819 | if (diff != 0 |
2820 | && (diff < 0 ? -diff > FONT_PIXEL_SIZE_QUANTUM | |
2821 | : diff > FONT_PIXEL_SIZE_QUANTUM)) | |
2822 | prop = FONT_SPEC_MAX; | |
2823 | } | |
7181ea6a KH |
2824 | if (prop < FONT_SPEC_MAX |
2825 | && INTEGERP (AREF (spec, FONT_DPI_INDEX)) | |
2826 | && INTEGERP (AREF (entity, FONT_DPI_INDEX)) | |
c576d6dc | 2827 | && XINT (AREF (entity, FONT_DPI_INDEX)) != 0 |
7181ea6a KH |
2828 | && ! EQ (AREF (spec, FONT_DPI_INDEX), AREF (entity, FONT_DPI_INDEX))) |
2829 | prop = FONT_SPEC_MAX; | |
2830 | if (prop < FONT_SPEC_MAX | |
2831 | && INTEGERP (AREF (spec, FONT_AVGWIDTH_INDEX)) | |
2832 | && INTEGERP (AREF (entity, FONT_AVGWIDTH_INDEX)) | |
c576d6dc | 2833 | && XINT (AREF (entity, FONT_AVGWIDTH_INDEX)) != 0 |
7181ea6a KH |
2834 | && ! EQ (AREF (spec, FONT_AVGWIDTH_INDEX), |
2835 | AREF (entity, FONT_AVGWIDTH_INDEX))) | |
2836 | prop = FONT_SPEC_MAX; | |
35027d0c | 2837 | if (prop < FONT_SPEC_MAX) |
d0ab1ebe | 2838 | val = Fcons (entity, val); |
35027d0c | 2839 | } |
72d36834 | 2840 | return (Fvconcat (1, &val)); |
35027d0c KH |
2841 | } |
2842 | ||
2843 | ||
72d36834 | 2844 | /* Return a list of vectors of font-entities matching with SPEC on |
ce75f06e CY |
2845 | FRAME. Each elements in the list is a vector of entities from the |
2846 | same font-driver. */ | |
35027d0c KH |
2847 | |
2848 | Lisp_Object | |
c2f5bfd6 KH |
2849 | font_list_entities (frame, spec) |
2850 | Lisp_Object frame, spec; | |
2851 | { | |
2852 | FRAME_PTR f = XFRAME (frame); | |
2853 | struct font_driver_list *driver_list = f->font_driver_list; | |
4007dd1c | 2854 | Lisp_Object ftype, val; |
72d36834 | 2855 | Lisp_Object list = Qnil; |
35027d0c KH |
2856 | int size; |
2857 | int need_filtering = 0; | |
c2f5bfd6 KH |
2858 | int i; |
2859 | ||
d0ab1ebe | 2860 | font_assert (FONT_SPEC_P (spec)); |
c2f5bfd6 | 2861 | |
35027d0c KH |
2862 | if (INTEGERP (AREF (spec, FONT_SIZE_INDEX))) |
2863 | size = XINT (AREF (spec, FONT_SIZE_INDEX)); | |
2864 | else if (FLOATP (AREF (spec, FONT_SIZE_INDEX))) | |
2865 | size = font_pixel_size (f, spec); | |
2866 | else | |
2867 | size = 0; | |
2868 | ||
c2f5bfd6 | 2869 | ftype = AREF (spec, FONT_TYPE_INDEX); |
4007dd1c | 2870 | for (i = FONT_FOUNDRY_INDEX; i <= FONT_REGISTRY_INDEX; i++) |
35027d0c | 2871 | ASET (scratch_font_spec, i, AREF (spec, i)); |
4007dd1c | 2872 | for (i = FONT_WEIGHT_INDEX; i < FONT_EXTRA_INDEX; i++) |
35027d0c KH |
2873 | { |
2874 | ASET (scratch_font_spec, i, Qnil); | |
2875 | if (! NILP (AREF (spec, i))) | |
2876 | need_filtering = 1; | |
4007dd1c KH |
2877 | if (i == FONT_DPI_INDEX) |
2878 | /* Skip FONT_SPACING_INDEX */ | |
2879 | i++; | |
35027d0c | 2880 | } |
aa50ca2f | 2881 | ASET (scratch_font_spec, FONT_SPACING_INDEX, AREF (spec, FONT_SPACING_INDEX)); |
35027d0c KH |
2882 | ASET (scratch_font_spec, FONT_EXTRA_INDEX, AREF (spec, FONT_EXTRA_INDEX)); |
2883 | ||
c2f5bfd6 | 2884 | for (i = 0; driver_list; driver_list = driver_list->next) |
417a1b10 KH |
2885 | if (driver_list->on |
2886 | && (NILP (ftype) || EQ (driver_list->driver->type, ftype))) | |
c2f5bfd6 | 2887 | { |
ca4da08a | 2888 | Lisp_Object cache = font_get_cache (f, driver_list->driver); |
c2f5bfd6 | 2889 | |
e4c93315 | 2890 | ASET (scratch_font_spec, FONT_TYPE_INDEX, driver_list->driver->type); |
4007dd1c KH |
2891 | val = assoc_no_quit (scratch_font_spec, XCDR (cache)); |
2892 | if (CONSP (val)) | |
2893 | val = XCDR (val); | |
2894 | else | |
c2f5bfd6 | 2895 | { |
4007dd1c | 2896 | Lisp_Object copy; |
35027d0c | 2897 | |
4007dd1c | 2898 | val = driver_list->driver->list (frame, scratch_font_spec); |
72d36834 KH |
2899 | if (NILP (val)) |
2900 | val = null_vector; | |
2901 | else | |
2902 | val = Fvconcat (1, &val); | |
4007dd1c KH |
2903 | copy = Fcopy_font_spec (scratch_font_spec); |
2904 | ASET (copy, FONT_TYPE_INDEX, driver_list->driver->type); | |
2905 | XSETCDR (cache, Fcons (Fcons (copy, val), XCDR (cache))); | |
c2f5bfd6 | 2906 | } |
72d36834 | 2907 | if (ASIZE (val) > 0 && need_filtering) |
4007dd1c | 2908 | val = font_delete_unmatched (val, spec, size); |
72d36834 KH |
2909 | if (ASIZE (val) > 0) |
2910 | list = Fcons (val, list); | |
c2f5bfd6 | 2911 | } |
35027d0c | 2912 | |
72d36834 KH |
2913 | list = Fnreverse (list); |
2914 | FONT_ADD_LOG ("list", spec, list); | |
2915 | return list; | |
c2f5bfd6 KH |
2916 | } |
2917 | ||
45eb10fb | 2918 | |
35027d0c KH |
2919 | /* Return a font entity matching with SPEC on FRAME. ATTRS, if non |
2920 | nil, is an array of face's attributes, which specifies preferred | |
2921 | font-related attributes. */ | |
45eb10fb | 2922 | |
e950d6f1 | 2923 | static Lisp_Object |
35027d0c KH |
2924 | font_matching_entity (f, attrs, spec) |
2925 | FRAME_PTR f; | |
2926 | Lisp_Object *attrs, spec; | |
e950d6f1 | 2927 | { |
e950d6f1 KH |
2928 | struct font_driver_list *driver_list = f->font_driver_list; |
2929 | Lisp_Object ftype, size, entity; | |
35027d0c | 2930 | Lisp_Object frame; |
819ab95f | 2931 | Lisp_Object work = Fcopy_font_spec (spec); |
e950d6f1 | 2932 | |
35027d0c | 2933 | XSETFRAME (frame, f); |
e950d6f1 KH |
2934 | ftype = AREF (spec, FONT_TYPE_INDEX); |
2935 | size = AREF (spec, FONT_SIZE_INDEX); | |
819ab95f | 2936 | |
8d0e382e AR |
2937 | if (FLOATP (size)) |
2938 | ASET (work, FONT_SIZE_INDEX, make_number (font_pixel_size (f, spec))); | |
819ab95f KH |
2939 | FONT_SET_STYLE (work, FONT_WEIGHT_INDEX, attrs[LFACE_WEIGHT_INDEX]); |
2940 | FONT_SET_STYLE (work, FONT_SLANT_INDEX, attrs[LFACE_SLANT_INDEX]); | |
2941 | FONT_SET_STYLE (work, FONT_WIDTH_INDEX, attrs[LFACE_SWIDTH_INDEX]); | |
2942 | ||
e950d6f1 KH |
2943 | entity = Qnil; |
2944 | for (; driver_list; driver_list = driver_list->next) | |
2945 | if (driver_list->on | |
2946 | && (NILP (ftype) || EQ (driver_list->driver->type, ftype))) | |
2947 | { | |
ca4da08a | 2948 | Lisp_Object cache = font_get_cache (f, driver_list->driver); |
7cee5d63 | 2949 | Lisp_Object copy; |
e950d6f1 | 2950 | |
819ab95f KH |
2951 | ASET (work, FONT_TYPE_INDEX, driver_list->driver->type); |
2952 | entity = assoc_no_quit (work, XCDR (cache)); | |
7cee5d63 | 2953 | if (CONSP (entity)) |
e950d6f1 KH |
2954 | entity = XCDR (entity); |
2955 | else | |
2956 | { | |
819ab95f KH |
2957 | entity = driver_list->driver->match (frame, work); |
2958 | copy = Fcopy_font_spec (work); | |
7cee5d63 KH |
2959 | ASET (copy, FONT_TYPE_INDEX, driver_list->driver->type); |
2960 | XSETCDR (cache, Fcons (Fcons (copy, entity), XCDR (cache))); | |
e950d6f1 KH |
2961 | } |
2962 | if (! NILP (entity)) | |
2963 | break; | |
2964 | } | |
652b9560 | 2965 | FONT_ADD_LOG ("match", work, entity); |
e950d6f1 KH |
2966 | return entity; |
2967 | } | |
2968 | ||
45eb10fb KH |
2969 | |
2970 | /* Open a font of ENTITY and PIXEL_SIZE on frame F, and return the | |
2971 | opened font object. */ | |
2972 | ||
c2f5bfd6 KH |
2973 | static Lisp_Object |
2974 | font_open_entity (f, entity, pixel_size) | |
2975 | FRAME_PTR f; | |
2976 | Lisp_Object entity; | |
2977 | int pixel_size; | |
2978 | { | |
2979 | struct font_driver_list *driver_list; | |
43c0454d | 2980 | Lisp_Object objlist, size, val, font_object; |
c2f5bfd6 | 2981 | struct font *font; |
d26424c5 | 2982 | int min_width, height; |
a35dd56b | 2983 | int scaled_pixel_size; |
c2f5bfd6 | 2984 | |
d0ab1ebe | 2985 | font_assert (FONT_ENTITY_P (entity)); |
c2f5bfd6 | 2986 | size = AREF (entity, FONT_SIZE_INDEX); |
c2f5bfd6 | 2987 | if (XINT (size) != 0) |
a35dd56b | 2988 | scaled_pixel_size = pixel_size = XINT (size); |
55e41770 | 2989 | else if (CONSP (Vface_font_rescale_alist)) |
a35dd56b | 2990 | scaled_pixel_size = pixel_size * font_rescale_ratio (entity); |
c2f5bfd6 | 2991 | |
637fa988 JD |
2992 | #if 0 |
2993 | /* This doesn't work if you have changed hinting or any other parameter. | |
2994 | We need to make a new object in every case to be sure. */ | |
c2f5bfd6 KH |
2995 | for (objlist = AREF (entity, FONT_OBJLIST_INDEX); CONSP (objlist); |
2996 | objlist = XCDR (objlist)) | |
5e634ec9 KH |
2997 | if (! NILP (AREF (XCAR (objlist), FONT_TYPE_INDEX)) |
2998 | && XFONT_OBJECT (XCAR (objlist))->pixel_size == pixel_size) | |
35027d0c | 2999 | return XCAR (objlist); |
637fa988 | 3000 | #endif |
35027d0c KH |
3001 | |
3002 | val = AREF (entity, FONT_TYPE_INDEX); | |
3003 | for (driver_list = f->font_driver_list; | |
3004 | driver_list && ! EQ (driver_list->driver->type, val); | |
3005 | driver_list = driver_list->next); | |
3006 | if (! driver_list) | |
3007 | return Qnil; | |
c2f5bfd6 | 3008 | |
a35dd56b | 3009 | font_object = driver_list->driver->open (f, entity, scaled_pixel_size); |
66f5ced0 YM |
3010 | if (!NILP (font_object)) |
3011 | ASET (font_object, FONT_SIZE_INDEX, make_number (pixel_size)); | |
652b9560 | 3012 | FONT_ADD_LOG ("open", entity, font_object); |
43c0454d | 3013 | if (NILP (font_object)) |
35027d0c KH |
3014 | return Qnil; |
3015 | ASET (entity, FONT_OBJLIST_INDEX, | |
3016 | Fcons (font_object, AREF (entity, FONT_OBJLIST_INDEX))); | |
5e634ec9 | 3017 | ASET (font_object, FONT_OBJLIST_INDEX, Qnil); |
35027d0c KH |
3018 | num_fonts++; |
3019 | ||
3020 | font = XFONT_OBJECT (font_object); | |
3021 | min_width = (font->min_width ? font->min_width | |
3022 | : font->average_width ? font->average_width | |
3023 | : font->space_width ? font->space_width | |
3024 | : 1); | |
d26424c5 | 3025 | height = (font->height ? font->height : 1); |
819e81df | 3026 | #ifdef HAVE_WINDOW_SYSTEM |
35027d0c KH |
3027 | FRAME_X_DISPLAY_INFO (f)->n_fonts++; |
3028 | if (FRAME_X_DISPLAY_INFO (f)->n_fonts == 1) | |
43c0454d | 3029 | { |
35027d0c | 3030 | FRAME_SMALLEST_CHAR_WIDTH (f) = min_width; |
d26424c5 | 3031 | FRAME_SMALLEST_FONT_HEIGHT (f) = height; |
35027d0c KH |
3032 | fonts_changed_p = 1; |
3033 | } | |
3034 | else | |
3035 | { | |
3036 | if (FRAME_SMALLEST_CHAR_WIDTH (f) > min_width) | |
3037 | FRAME_SMALLEST_CHAR_WIDTH (f) = min_width, fonts_changed_p = 1; | |
d26424c5 KH |
3038 | if (FRAME_SMALLEST_FONT_HEIGHT (f) > height) |
3039 | FRAME_SMALLEST_FONT_HEIGHT (f) = height, fonts_changed_p = 1; | |
43c0454d | 3040 | } |
819e81df | 3041 | #endif |
43c0454d KH |
3042 | |
3043 | return font_object; | |
c2f5bfd6 KH |
3044 | } |
3045 | ||
45eb10fb KH |
3046 | |
3047 | /* Close FONT_OBJECT that is opened on frame F. */ | |
3048 | ||
c2f5bfd6 KH |
3049 | void |
3050 | font_close_object (f, font_object) | |
3051 | FRAME_PTR f; | |
3052 | Lisp_Object font_object; | |
3053 | { | |
35027d0c | 3054 | struct font *font = XFONT_OBJECT (font_object); |
c2f5bfd6 | 3055 | |
5e634ec9 KH |
3056 | if (NILP (AREF (font_object, FONT_TYPE_INDEX))) |
3057 | /* Already closed. */ | |
3058 | return; | |
652b9560 | 3059 | FONT_ADD_LOG ("close", font_object, Qnil); |
5e634ec9 | 3060 | font->driver->close (f, font); |
819e81df | 3061 | #ifdef HAVE_WINDOW_SYSTEM |
5e634ec9 KH |
3062 | font_assert (FRAME_X_DISPLAY_INFO (f)->n_fonts); |
3063 | FRAME_X_DISPLAY_INFO (f)->n_fonts--; | |
819e81df | 3064 | #endif |
5e634ec9 | 3065 | num_fonts--; |
c2f5bfd6 KH |
3066 | } |
3067 | ||
45eb10fb | 3068 | |
1701724c KH |
3069 | /* Return 1 if FONT on F has a glyph for character C, 0 if not, -1 if |
3070 | FONT is a font-entity and it must be opened to check. */ | |
45eb10fb | 3071 | |
c2f5bfd6 | 3072 | int |
1b834a8d | 3073 | font_has_char (f, font, c) |
c2f5bfd6 | 3074 | FRAME_PTR f; |
1b834a8d | 3075 | Lisp_Object font; |
c2f5bfd6 KH |
3076 | int c; |
3077 | { | |
1b834a8d | 3078 | struct font *fontp; |
c2f5bfd6 | 3079 | |
1b834a8d KH |
3080 | if (FONT_ENTITY_P (font)) |
3081 | { | |
3082 | Lisp_Object type = AREF (font, FONT_TYPE_INDEX); | |
3083 | struct font_driver_list *driver_list; | |
3084 | ||
3085 | for (driver_list = f->font_driver_list; | |
3086 | driver_list && ! EQ (driver_list->driver->type, type); | |
3087 | driver_list = driver_list->next); | |
3088 | if (! driver_list) | |
3089 | return 0; | |
3090 | if (! driver_list->driver->has_char) | |
3091 | return -1; | |
3092 | return driver_list->driver->has_char (font, c); | |
3093 | } | |
3094 | ||
d0ab1ebe | 3095 | font_assert (FONT_OBJECT_P (font)); |
35027d0c | 3096 | fontp = XFONT_OBJECT (font); |
1b834a8d KH |
3097 | if (fontp->driver->has_char) |
3098 | { | |
35027d0c | 3099 | int result = fontp->driver->has_char (font, c); |
1b834a8d KH |
3100 | |
3101 | if (result >= 0) | |
3102 | return result; | |
3103 | } | |
3104 | return (fontp->driver->encode_char (fontp, c) != FONT_INVALID_CODE); | |
c2f5bfd6 KH |
3105 | } |
3106 | ||
45eb10fb KH |
3107 | |
3108 | /* Return the glyph ID of FONT_OBJECT for character C. */ | |
3109 | ||
c2f5bfd6 KH |
3110 | unsigned |
3111 | font_encode_char (font_object, c) | |
3112 | Lisp_Object font_object; | |
3113 | int c; | |
3114 | { | |
35027d0c | 3115 | struct font *font; |
c2f5bfd6 | 3116 | |
d0ab1ebe | 3117 | font_assert (FONT_OBJECT_P (font_object)); |
35027d0c | 3118 | font = XFONT_OBJECT (font_object); |
c2f5bfd6 KH |
3119 | return font->driver->encode_char (font, c); |
3120 | } | |
3121 | ||
45eb10fb KH |
3122 | |
3123 | /* Return the name of FONT_OBJECT. */ | |
3124 | ||
ef18374f | 3125 | Lisp_Object |
c2f5bfd6 KH |
3126 | font_get_name (font_object) |
3127 | Lisp_Object font_object; | |
3128 | { | |
d0ab1ebe | 3129 | font_assert (FONT_OBJECT_P (font_object)); |
35027d0c | 3130 | return AREF (font_object, FONT_NAME_INDEX); |
ef18374f KH |
3131 | } |
3132 | ||
45eb10fb KH |
3133 | |
3134 | /* Return the specification of FONT_OBJECT. */ | |
3135 | ||
ef18374f KH |
3136 | Lisp_Object |
3137 | font_get_spec (font_object) | |
3138 | Lisp_Object font_object; | |
3139 | { | |
35027d0c | 3140 | Lisp_Object spec = font_make_spec (); |
ef18374f KH |
3141 | int i; |
3142 | ||
3143 | for (i = 0; i < FONT_SIZE_INDEX; i++) | |
35027d0c KH |
3144 | ASET (spec, i, AREF (font_object, i)); |
3145 | ASET (spec, FONT_SIZE_INDEX, | |
3146 | make_number (XFONT_OBJECT (font_object)->pixel_size)); | |
ef18374f | 3147 | return spec; |
c2f5bfd6 KH |
3148 | } |
3149 | ||
05802645 CY |
3150 | |
3151 | /* Create a new font spec from FONT_NAME, and return it. If FONT_NAME | |
3152 | could not be parsed by font_parse_name, return Qnil. */ | |
3153 | ||
35027d0c KH |
3154 | Lisp_Object |
3155 | font_spec_from_name (font_name) | |
3156 | Lisp_Object font_name; | |
3157 | { | |
05802645 | 3158 | Lisp_Object spec = Ffont_spec (0, NULL); |
35027d0c | 3159 | |
05802645 CY |
3160 | CHECK_STRING (font_name); |
3161 | if (font_parse_name ((char *) SDATA (font_name), spec) == -1) | |
3162 | return Qnil; | |
3163 | font_put_extra (spec, QCname, font_name); | |
3164 | return spec; | |
35027d0c KH |
3165 | } |
3166 | ||
45eb10fb | 3167 | |
35027d0c KH |
3168 | void |
3169 | font_clear_prop (attrs, prop) | |
3170 | Lisp_Object *attrs; | |
3171 | enum font_property_index prop; | |
3172 | { | |
3173 | Lisp_Object font = attrs[LFACE_FONT_INDEX]; | |
45eb10fb | 3174 | |
35027d0c KH |
3175 | if (! FONTP (font)) |
3176 | return; | |
637fa988 | 3177 | #if 0 |
483670b5 KH |
3178 | if (! NILP (Ffont_get (font, QCname))) |
3179 | { | |
3180 | font = Fcopy_font_spec (font); | |
3181 | font_put_extra (font, QCname, Qnil); | |
3182 | } | |
3183 | ||
637fa988 | 3184 | #endif |
35027d0c | 3185 | if (NILP (AREF (font, prop)) |
e234927a CY |
3186 | && prop != FONT_FAMILY_INDEX |
3187 | && prop != FONT_FOUNDRY_INDEX | |
3188 | && prop != FONT_WIDTH_INDEX | |
4007dd1c | 3189 | && prop != FONT_SIZE_INDEX) |
35027d0c | 3190 | return; |
483670b5 KH |
3191 | if (EQ (font, attrs[LFACE_FONT_INDEX])) |
3192 | font = Fcopy_font_spec (font); | |
35027d0c | 3193 | ASET (font, prop, Qnil); |
4007dd1c | 3194 | if (prop == FONT_FAMILY_INDEX || prop == FONT_FOUNDRY_INDEX) |
35027d0c | 3195 | { |
4007dd1c | 3196 | if (prop == FONT_FAMILY_INDEX) |
962e8aa9 CY |
3197 | { |
3198 | ASET (font, FONT_FOUNDRY_INDEX, Qnil); | |
3199 | /* If we are setting the font family, we must also clear | |
3200 | FONT_WIDTH_INDEX to avoid rejecting families that lack | |
3201 | support for some widths. */ | |
3202 | ASET (font, FONT_WIDTH_INDEX, Qnil); | |
3203 | } | |
35027d0c | 3204 | ASET (font, FONT_ADSTYLE_INDEX, Qnil); |
4007dd1c | 3205 | ASET (font, FONT_REGISTRY_INDEX, Qnil); |
35027d0c KH |
3206 | ASET (font, FONT_SIZE_INDEX, Qnil); |
3207 | ASET (font, FONT_DPI_INDEX, Qnil); | |
3208 | ASET (font, FONT_SPACING_INDEX, Qnil); | |
3209 | ASET (font, FONT_AVGWIDTH_INDEX, Qnil); | |
3210 | } | |
3211 | else if (prop == FONT_SIZE_INDEX) | |
3212 | { | |
3213 | ASET (font, FONT_DPI_INDEX, Qnil); | |
3214 | ASET (font, FONT_SPACING_INDEX, Qnil); | |
3215 | ASET (font, FONT_AVGWIDTH_INDEX, Qnil); | |
3216 | } | |
e234927a CY |
3217 | else if (prop == FONT_WIDTH_INDEX) |
3218 | ASET (font, FONT_AVGWIDTH_INDEX, Qnil); | |
35027d0c KH |
3219 | attrs[LFACE_FONT_INDEX] = font; |
3220 | } | |
3221 | ||
3222 | void | |
3223 | font_update_lface (f, attrs) | |
3224 | FRAME_PTR f; | |
3225 | Lisp_Object *attrs; | |
c2f5bfd6 | 3226 | { |
d0ab1ebe | 3227 | Lisp_Object spec; |
35027d0c KH |
3228 | |
3229 | spec = attrs[LFACE_FONT_INDEX]; | |
3230 | if (! FONT_SPEC_P (spec)) | |
3231 | return; | |
3232 | ||
4007dd1c KH |
3233 | if (! NILP (AREF (spec, FONT_FOUNDRY_INDEX))) |
3234 | attrs[LFACE_FOUNDRY_INDEX] = SYMBOL_NAME (AREF (spec, FONT_FOUNDRY_INDEX)); | |
3235 | if (! NILP (AREF (spec, FONT_FAMILY_INDEX))) | |
3236 | attrs[LFACE_FAMILY_INDEX] = SYMBOL_NAME (AREF (spec, FONT_FAMILY_INDEX)); | |
35027d0c KH |
3237 | if (! NILP (AREF (spec, FONT_WEIGHT_INDEX))) |
3238 | attrs[LFACE_WEIGHT_INDEX] = FONT_WEIGHT_FOR_FACE (spec); | |
3239 | if (! NILP (AREF (spec, FONT_SLANT_INDEX))) | |
8510724d | 3240 | attrs[LFACE_SLANT_INDEX] = FONT_SLANT_FOR_FACE (spec); |
35027d0c KH |
3241 | if (! NILP (AREF (spec, FONT_WIDTH_INDEX))) |
3242 | attrs[LFACE_SWIDTH_INDEX] = FONT_WIDTH_FOR_FACE (spec); | |
3243 | if (! NILP (AREF (spec, FONT_SIZE_INDEX))) | |
3244 | { | |
3245 | int point; | |
3246 | ||
3247 | if (INTEGERP (AREF (spec, FONT_SIZE_INDEX))) | |
3248 | { | |
3249 | Lisp_Object val; | |
3250 | int dpi = f->resy; | |
3251 | ||
3252 | val = Ffont_get (spec, QCdpi); | |
3253 | if (! NILP (val)) | |
3254 | dpi = XINT (val); | |
3255 | point = PIXEL_TO_POINT (XINT (AREF (spec, FONT_SIZE_INDEX)) * 10, | |
3256 | dpi); | |
2cf4d521 | 3257 | attrs[LFACE_HEIGHT_INDEX] = make_number (point); |
35027d0c KH |
3258 | } |
3259 | else if (FLOATP (AREF (spec, FONT_SIZE_INDEX))) | |
2cf4d521 CY |
3260 | { |
3261 | point = XFLOAT_DATA (AREF (spec, FONT_SIZE_INDEX)) * 10; | |
3262 | attrs[LFACE_HEIGHT_INDEX] = make_number (point); | |
3263 | } | |
35027d0c | 3264 | } |
c2f5bfd6 KH |
3265 | } |
3266 | ||
45eb10fb | 3267 | |
72d36834 KH |
3268 | /* Selecte a font from ENTITIES (list of font-entity vectors) that |
3269 | supports C and matches best with ATTRS and PIXEL_SIZE. */ | |
988a7ddb KH |
3270 | |
3271 | static Lisp_Object | |
3272 | font_select_entity (frame, entities, attrs, pixel_size, c) | |
3273 | Lisp_Object frame, entities, *attrs; | |
3274 | int pixel_size, c; | |
3275 | { | |
3276 | Lisp_Object font_entity; | |
3277 | Lisp_Object prefer; | |
988a7ddb KH |
3278 | int result, i; |
3279 | FRAME_PTR f = XFRAME (frame); | |
3280 | ||
72d36834 KH |
3281 | if (NILP (XCDR (entities)) |
3282 | && ASIZE (XCAR (entities)) == 1) | |
988a7ddb | 3283 | { |
72d36834 | 3284 | font_entity = AREF (XCAR (entities), 0); |
988a7ddb KH |
3285 | if (c < 0 |
3286 | || (result = font_has_char (f, font_entity, c)) > 0) | |
3287 | return font_entity; | |
3288 | return Qnil; | |
3289 | } | |
3290 | ||
3291 | /* Sort fonts by properties specified in ATTRS. */ | |
3292 | prefer = scratch_font_prefer; | |
3293 | ||
3294 | for (i = FONT_WEIGHT_INDEX; i <= FONT_SIZE_INDEX; i++) | |
3295 | ASET (prefer, i, Qnil); | |
3296 | if (FONTP (attrs[LFACE_FONT_INDEX])) | |
3297 | { | |
3298 | Lisp_Object face_font = attrs[LFACE_FONT_INDEX]; | |
3299 | ||
3300 | for (i = FONT_WEIGHT_INDEX; i <= FONT_SIZE_INDEX; i++) | |
3301 | ASET (prefer, i, AREF (face_font, i)); | |
3302 | } | |
3303 | if (NILP (AREF (prefer, FONT_WEIGHT_INDEX))) | |
3304 | FONT_SET_STYLE (prefer, FONT_WEIGHT_INDEX, attrs[LFACE_WEIGHT_INDEX]); | |
3305 | if (NILP (AREF (prefer, FONT_SLANT_INDEX))) | |
3306 | FONT_SET_STYLE (prefer, FONT_SLANT_INDEX, attrs[LFACE_SLANT_INDEX]); | |
3307 | if (NILP (AREF (prefer, FONT_WIDTH_INDEX))) | |
3308 | FONT_SET_STYLE (prefer, FONT_WIDTH_INDEX, attrs[LFACE_SWIDTH_INDEX]); | |
3309 | ASET (prefer, FONT_SIZE_INDEX, make_number (pixel_size)); | |
988a7ddb | 3310 | |
2645d15b | 3311 | return font_sort_entities (entities, prefer, frame, c); |
988a7ddb KH |
3312 | } |
3313 | ||
35027d0c KH |
3314 | /* Return a font-entity satisfying SPEC and best matching with face's |
3315 | font related attributes in ATTRS. C, if not negative, is a | |
1701724c | 3316 | character that the entity must support. */ |
c2f5bfd6 KH |
3317 | |
3318 | Lisp_Object | |
35027d0c | 3319 | font_find_for_lface (f, attrs, spec, c) |
c2f5bfd6 | 3320 | FRAME_PTR f; |
35027d0c | 3321 | Lisp_Object *attrs; |
c2f5bfd6 | 3322 | Lisp_Object spec; |
1701724c | 3323 | int c; |
c2f5bfd6 | 3324 | { |
4007dd1c | 3325 | Lisp_Object work; |
72d36834 | 3326 | Lisp_Object frame, entities, val; |
22459668 | 3327 | Lisp_Object size, foundry[3], *family, registry[3], adstyle[3]; |
1d1e1245 | 3328 | int pixel_size; |
72d36834 | 3329 | int i, j, k, l; |
d0a47776 KH |
3330 | |
3331 | registry[0] = AREF (spec, FONT_REGISTRY_INDEX); | |
3332 | if (NILP (registry[0])) | |
3333 | { | |
edfda783 | 3334 | registry[0] = DEFAULT_ENCODING; |
d0a47776 KH |
3335 | registry[1] = Qascii_0; |
3336 | registry[2] = null_vector; | |
3337 | } | |
3338 | else | |
3339 | registry[1] = null_vector; | |
c2f5bfd6 | 3340 | |
4007dd1c | 3341 | if (c >= 0 && ! NILP (AREF (spec, FONT_REGISTRY_INDEX))) |
fe5ddfbc | 3342 | { |
35027d0c | 3343 | struct charset *encoding, *repertory; |
1701724c | 3344 | |
4007dd1c KH |
3345 | if (font_registry_charsets (AREF (spec, FONT_REGISTRY_INDEX), |
3346 | &encoding, &repertory) < 0) | |
35027d0c | 3347 | return Qnil; |
72d36834 KH |
3348 | if (repertory |
3349 | && ENCODE_CHAR (repertory, c) == CHARSET_INVALID_CODE (repertory)) | |
3350 | return Qnil; | |
35027d0c KH |
3351 | else if (c > encoding->max_char) |
3352 | return Qnil; | |
c2f5bfd6 KH |
3353 | } |
3354 | ||
4007dd1c | 3355 | work = Fcopy_font_spec (spec); |
227f12fa | 3356 | ASET (work, FONT_TYPE_INDEX, AREF (spec, FONT_TYPE_INDEX)); |
35027d0c KH |
3357 | XSETFRAME (frame, f); |
3358 | size = AREF (spec, FONT_SIZE_INDEX); | |
1d1e1245 KH |
3359 | pixel_size = font_pixel_size (f, spec); |
3360 | if (pixel_size == 0) | |
3361 | { | |
3362 | double pt = XINT (attrs[LFACE_HEIGHT_INDEX]); | |
3363 | ||
3364 | pixel_size = POINT_TO_PIXEL (pt / 10, f->resy); | |
3365 | } | |
4007dd1c KH |
3366 | ASET (work, FONT_SIZE_INDEX, Qnil); |
3367 | foundry[0] = AREF (work, FONT_FOUNDRY_INDEX); | |
3368 | if (! NILP (foundry[0])) | |
3369 | foundry[1] = null_vector; | |
3370 | else if (STRINGP (attrs[LFACE_FOUNDRY_INDEX])) | |
3371 | { | |
071132a9 KH |
3372 | val = attrs[LFACE_FOUNDRY_INDEX]; |
3373 | foundry[0] = font_intern_prop ((char *) SDATA (val), SBYTES (val), 1); | |
4007dd1c KH |
3374 | foundry[1] = Qnil; |
3375 | foundry[2] = null_vector; | |
3376 | } | |
3377 | else | |
3378 | foundry[0] = Qnil, foundry[1] = null_vector; | |
3379 | ||
22459668 KH |
3380 | adstyle[0] = AREF (work, FONT_ADSTYLE_INDEX); |
3381 | if (! NILP (adstyle[0])) | |
3382 | adstyle[1] = null_vector; | |
3383 | else if (FONTP (attrs[LFACE_FONT_INDEX])) | |
3384 | { | |
3385 | Lisp_Object face_font = attrs[LFACE_FONT_INDEX]; | |
3386 | ||
3387 | if (! NILP (AREF (face_font, FONT_ADSTYLE_INDEX))) | |
3388 | { | |
3389 | adstyle[0] = AREF (face_font, FONT_ADSTYLE_INDEX); | |
3390 | adstyle[1] = Qnil; | |
3391 | adstyle[2] = null_vector; | |
3392 | } | |
3393 | else | |
3394 | adstyle[0] = Qnil, adstyle[1] = null_vector; | |
3395 | } | |
3396 | else | |
3397 | adstyle[0] = Qnil, adstyle[1] = null_vector; | |
3398 | ||
3399 | ||
4007dd1c KH |
3400 | val = AREF (work, FONT_FAMILY_INDEX); |
3401 | if (NILP (val) && STRINGP (attrs[LFACE_FAMILY_INDEX])) | |
071132a9 KH |
3402 | { |
3403 | val = attrs[LFACE_FAMILY_INDEX]; | |
3404 | val = font_intern_prop ((char *) SDATA (val), SBYTES (val), 1); | |
3405 | } | |
4007dd1c KH |
3406 | if (NILP (val)) |
3407 | { | |
3408 | family = alloca ((sizeof family[0]) * 2); | |
3409 | family[0] = Qnil; | |
3410 | family[1] = null_vector; /* terminator. */ | |
3411 | } | |
3412 | else | |
3413 | { | |
3414 | Lisp_Object alters | |
819ab95f | 3415 | = Fassoc_string (val, Vface_alternative_font_family_alist, |
7107c29e | 3416 | /* Font family names are case-sensitive under NS. */ |
819ab95f KH |
3417 | #ifndef HAVE_NS |
3418 | Qt | |
3419 | #else | |
3420 | Qnil | |
3421 | #endif | |
3422 | ); | |
4007dd1c KH |
3423 | |
3424 | if (! NILP (alters)) | |
3425 | { | |
3426 | family = alloca ((sizeof family[0]) * (XINT (Flength (alters)) + 2)); | |
3427 | for (i = 0; CONSP (alters); i++, alters = XCDR (alters)) | |
3428 | family[i] = XCAR (alters); | |
3429 | if (NILP (AREF (spec, FONT_FAMILY_INDEX))) | |
3430 | family[i++] = Qnil; | |
3431 | family[i] = null_vector; | |
3432 | } | |
3433 | else | |
3434 | { | |
3435 | family = alloca ((sizeof family[0]) * 3); | |
3436 | i = 0; | |
3437 | family[i++] = val; | |
3438 | if (NILP (AREF (spec, FONT_FAMILY_INDEX))) | |
3439 | family[i++] = Qnil; | |
3440 | family[i] = null_vector; | |
3441 | } | |
3442 | } | |
3443 | ||
d0a47776 | 3444 | for (i = 0; SYMBOLP (family[i]); i++) |
4007dd1c | 3445 | { |
d0a47776 KH |
3446 | ASET (work, FONT_FAMILY_INDEX, family[i]); |
3447 | for (j = 0; SYMBOLP (foundry[j]); j++) | |
4007dd1c | 3448 | { |
d0a47776 KH |
3449 | ASET (work, FONT_FOUNDRY_INDEX, foundry[j]); |
3450 | for (k = 0; SYMBOLP (registry[k]); k++) | |
3451 | { | |
904a2e0e | 3452 | ASET (work, FONT_REGISTRY_INDEX, registry[k]); |
22459668 KH |
3453 | for (l = 0; SYMBOLP (adstyle[l]); l++) |
3454 | { | |
3455 | ASET (work, FONT_ADSTYLE_INDEX, adstyle[l]); | |
3456 | entities = font_list_entities (frame, work); | |
72d36834 | 3457 | if (! NILP (entities)) |
988a7ddb KH |
3458 | { |
3459 | val = font_select_entity (frame, entities, | |
3460 | attrs, pixel_size, c); | |
3461 | if (! NILP (val)) | |
637fa988 | 3462 | return val; |
988a7ddb | 3463 | } |
22459668 | 3464 | } |
d0a47776 | 3465 | } |
4007dd1c | 3466 | } |
4007dd1c | 3467 | } |
d0a47776 | 3468 | return Qnil; |
1701724c | 3469 | } |
45eb10fb KH |
3470 | |
3471 | ||
c2f5bfd6 | 3472 | Lisp_Object |
35027d0c | 3473 | font_open_for_lface (f, entity, attrs, spec) |
c2f5bfd6 | 3474 | FRAME_PTR f; |
c2f5bfd6 | 3475 | Lisp_Object entity; |
35027d0c | 3476 | Lisp_Object *attrs; |
733fd013 | 3477 | Lisp_Object spec; |
c2f5bfd6 | 3478 | { |
9331887d | 3479 | int size; |
c2f5bfd6 | 3480 | |
4007dd1c KH |
3481 | if (INTEGERP (AREF (entity, FONT_SIZE_INDEX)) |
3482 | && XINT (AREF (entity, FONT_SIZE_INDEX)) > 0) | |
3483 | size = XINT (AREF (entity, FONT_SIZE_INDEX)); | |
3484 | else if (FONT_SPEC_P (spec) && ! NILP (AREF (spec, FONT_SIZE_INDEX))) | |
1d1e1245 | 3485 | size = font_pixel_size (f, spec); |
733fd013 KH |
3486 | else |
3487 | { | |
50b0cd29 CY |
3488 | double pt; |
3489 | if (INTEGERP (attrs[LFACE_HEIGHT_INDEX])) | |
3490 | pt = XINT (attrs[LFACE_HEIGHT_INDEX]); | |
3491 | else | |
3492 | { | |
3493 | struct face *def = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
3494 | Lisp_Object height = def->lface[LFACE_HEIGHT_INDEX]; | |
3495 | if (INTEGERP (height)) | |
3496 | pt = XINT (height); | |
3497 | else | |
3498 | abort(); /* We should never end up here. */ | |
3499 | } | |
733fd013 KH |
3500 | |
3501 | pt /= 10; | |
3502 | size = POINT_TO_PIXEL (pt, f->resy); | |
ed96cde8 AR |
3503 | #ifdef HAVE_NS |
3504 | if (size == 0) | |
3505 | { | |
3506 | Lisp_Object ffsize = get_frame_param(f, Qfontsize); | |
3507 | size = NUMBERP (ffsize) ? POINT_TO_PIXEL (XINT (ffsize), f->resy) : 0; | |
3508 | } | |
3509 | #endif | |
733fd013 | 3510 | } |
c2f5bfd6 KH |
3511 | return font_open_entity (f, entity, size); |
3512 | } | |
3513 | ||
45eb10fb | 3514 | |
35027d0c KH |
3515 | /* Find a font satisfying SPEC and best matching with face's |
3516 | attributes in ATTRS on FRAME, and return the opened | |
3517 | font-object. */ | |
45eb10fb | 3518 | |
35027d0c KH |
3519 | Lisp_Object |
3520 | font_load_for_lface (f, attrs, spec) | |
c2f5bfd6 | 3521 | FRAME_PTR f; |
35027d0c | 3522 | Lisp_Object *attrs, spec; |
c2f5bfd6 | 3523 | { |
637fa988 | 3524 | Lisp_Object entity, name; |
ef18374f | 3525 | |
908567ef | 3526 | entity = font_find_for_lface (f, attrs, spec, -1); |
35027d0c | 3527 | if (NILP (entity)) |
ef18374f | 3528 | { |
35027d0c KH |
3529 | /* No font is listed for SPEC, but each font-backend may have |
3530 | the different criteria about "font matching". So, try | |
3531 | it. */ | |
3532 | entity = font_matching_entity (f, attrs, spec); | |
3533 | if (NILP (entity)) | |
3534 | return Qnil; | |
c2f5bfd6 | 3535 | } |
637fa988 JD |
3536 | /* Don't loose the original name that was put in initially. We need |
3537 | it to re-apply the font when font parameters (like hinting or dpi) have | |
3538 | changed. */ | |
3539 | entity = font_open_for_lface (f, entity, attrs, spec); | |
8096a0ff YM |
3540 | if (!NILP (entity)) |
3541 | { | |
3542 | name = Ffont_get (spec, QCname); | |
3543 | if (STRINGP (name)) font_put_extra (entity, QCname, name); | |
3544 | } | |
637fa988 | 3545 | return entity; |
c2f5bfd6 KH |
3546 | } |
3547 | ||
45eb10fb KH |
3548 | |
3549 | /* Make FACE on frame F ready to use the font opened for FACE. */ | |
3550 | ||
c2f5bfd6 KH |
3551 | void |
3552 | font_prepare_for_face (f, face) | |
3553 | FRAME_PTR f; | |
3554 | struct face *face; | |
3555 | { | |
35027d0c KH |
3556 | if (face->font->driver->prepare_face) |
3557 | face->font->driver->prepare_face (f, face); | |
c2f5bfd6 KH |
3558 | } |
3559 | ||
45eb10fb KH |
3560 | |
3561 | /* Make FACE on frame F stop using the font opened for FACE. */ | |
3562 | ||
c2f5bfd6 KH |
3563 | void |
3564 | font_done_for_face (f, face) | |
3565 | FRAME_PTR f; | |
3566 | struct face *face; | |
3567 | { | |
35027d0c KH |
3568 | if (face->font->driver->done_face) |
3569 | face->font->driver->done_face (f, face); | |
c2f5bfd6 KH |
3570 | face->extra = NULL; |
3571 | } | |
3572 | ||
45eb10fb | 3573 | |
c50b7e98 KH |
3574 | /* Open a font matching with font-spec SPEC on frame F. If no proper |
3575 | font is found, return Qnil. */ | |
45eb10fb | 3576 | |
c2f5bfd6 | 3577 | Lisp_Object |
c50b7e98 | 3578 | font_open_by_spec (f, spec) |
c2f5bfd6 | 3579 | FRAME_PTR f; |
c50b7e98 | 3580 | Lisp_Object spec; |
c2f5bfd6 | 3581 | { |
c50b7e98 | 3582 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; |
a9262bb8 | 3583 | |
4007dd1c KH |
3584 | /* We set up the default font-related attributes of a face to prefer |
3585 | a moderate font. */ | |
3586 | attrs[LFACE_FAMILY_INDEX] = attrs[LFACE_FOUNDRY_INDEX] = Qnil; | |
3587 | attrs[LFACE_SWIDTH_INDEX] = attrs[LFACE_WEIGHT_INDEX] | |
3588 | = attrs[LFACE_SLANT_INDEX] = Qnormal; | |
ed96cde8 | 3589 | #ifndef HAVE_NS |
4007dd1c | 3590 | attrs[LFACE_HEIGHT_INDEX] = make_number (120); |
ed96cde8 AR |
3591 | #else |
3592 | attrs[LFACE_HEIGHT_INDEX] = make_number (0); | |
3593 | #endif | |
4007dd1c KH |
3594 | attrs[LFACE_FONT_INDEX] = Qnil; |
3595 | ||
3596 | return font_load_for_lface (f, attrs, spec); | |
c2f5bfd6 KH |
3597 | } |
3598 | ||
3599 | ||
c50b7e98 KH |
3600 | /* Open a font matching with NAME on frame F. If no proper font is |
3601 | found, return Qnil. */ | |
3602 | ||
3603 | Lisp_Object | |
3604 | font_open_by_name (f, name) | |
3605 | FRAME_PTR f; | |
3606 | char *name; | |
3607 | { | |
3608 | Lisp_Object args[2]; | |
581e51e8 | 3609 | Lisp_Object spec, ret; |
c50b7e98 KH |
3610 | |
3611 | args[0] = QCname; | |
3612 | args[1] = make_unibyte_string (name, strlen (name)); | |
3613 | spec = Ffont_spec (2, args); | |
581e51e8 JD |
3614 | ret = font_open_by_spec (f, spec); |
3615 | /* Do not loose name originally put in. */ | |
8096a0ff YM |
3616 | if (!NILP (ret)) |
3617 | font_put_extra (ret, QCname, args[1]); | |
581e51e8 JD |
3618 | |
3619 | return ret; | |
c50b7e98 KH |
3620 | } |
3621 | ||
3622 | ||
c2f5bfd6 KH |
3623 | /* Register font-driver DRIVER. This function is used in two ways. |
3624 | ||
417a1b10 KH |
3625 | The first is with frame F non-NULL. In this case, make DRIVER |
3626 | available (but not yet activated) on F. All frame creaters | |
3627 | (e.g. Fx_create_frame) must call this function at least once with | |
3628 | an available font-driver. | |
c2f5bfd6 KH |
3629 | |
3630 | The second is with frame F NULL. In this case, DRIVER is globally | |
3631 | registered in the variable `font_driver_list'. All font-driver | |
3632 | implementations must call this function in its syms_of_XXXX | |
3633 | (e.g. syms_of_xfont). */ | |
3634 | ||
3635 | void | |
3636 | register_font_driver (driver, f) | |
3637 | struct font_driver *driver; | |
3638 | FRAME_PTR f; | |
3639 | { | |
3640 | struct font_driver_list *root = f ? f->font_driver_list : font_driver_list; | |
3641 | struct font_driver_list *prev, *list; | |
3642 | ||
3643 | if (f && ! driver->draw) | |
43a1d19b | 3644 | error ("Unusable font driver for a frame: %s", |
c2f5bfd6 KH |
3645 | SDATA (SYMBOL_NAME (driver->type))); |
3646 | ||
3647 | for (prev = NULL, list = root; list; prev = list, list = list->next) | |
cf23b845 | 3648 | if (EQ (list->driver->type, driver->type)) |
c2f5bfd6 KH |
3649 | error ("Duplicated font driver: %s", SDATA (SYMBOL_NAME (driver->type))); |
3650 | ||
c115043b | 3651 | list = xmalloc (sizeof (struct font_driver_list)); |
417a1b10 | 3652 | list->on = 0; |
c2f5bfd6 KH |
3653 | list->driver = driver; |
3654 | list->next = NULL; | |
3655 | if (prev) | |
3656 | prev->next = list; | |
3657 | else if (f) | |
3658 | f->font_driver_list = list; | |
3659 | else | |
3660 | font_driver_list = list; | |
72606e45 KH |
3661 | if (! f) |
3662 | num_font_drivers++; | |
c2f5bfd6 KH |
3663 | } |
3664 | ||
2ed98482 CY |
3665 | void |
3666 | free_font_driver_list (f) | |
3667 | FRAME_PTR f; | |
3668 | { | |
3669 | struct font_driver_list *list, *next; | |
3670 | ||
3671 | for (list = f->font_driver_list; list; list = next) | |
3672 | { | |
3673 | next = list->next; | |
3674 | xfree (list); | |
3675 | } | |
3676 | f->font_driver_list = NULL; | |
3677 | } | |
3678 | ||
45eb10fb | 3679 | |
f697fff0 | 3680 | /* Make the frame F use font backends listed in NEW_DRIVERS (list of |
ca4da08a KH |
3681 | symbols, e.g. xft, x). If NEW_DRIVERS is t, make F use all |
3682 | available font drivers. If NEW_DRIVERS is nil, finalize all drivers. | |
417a1b10 | 3683 | |
ca4da08a KH |
3684 | A caller must free all realized faces if any in advance. The |
3685 | return value is a list of font backends actually made used on | |
3686 | F. */ | |
e950d6f1 KH |
3687 | |
3688 | Lisp_Object | |
3689 | font_update_drivers (f, new_drivers) | |
417a1b10 KH |
3690 | FRAME_PTR f; |
3691 | Lisp_Object new_drivers; | |
417a1b10 KH |
3692 | { |
3693 | Lisp_Object active_drivers = Qnil; | |
4007dd1c | 3694 | struct font_driver *driver; |
417a1b10 KH |
3695 | struct font_driver_list *list; |
3696 | ||
4007dd1c KH |
3697 | /* At first, turn off non-requested drivers, and turn on requested |
3698 | drivers. */ | |
f697fff0 | 3699 | for (list = f->font_driver_list; list; list = list->next) |
4007dd1c KH |
3700 | { |
3701 | driver = list->driver; | |
3702 | if ((EQ (new_drivers, Qt) || ! NILP (Fmemq (driver->type, new_drivers))) | |
3703 | != list->on) | |
3704 | { | |
3705 | if (list->on) | |
3706 | { | |
3707 | if (driver->end_for_frame) | |
3708 | driver->end_for_frame (f); | |
3709 | font_finish_cache (f, driver); | |
3710 | list->on = 0; | |
3711 | } | |
3712 | else | |
3713 | { | |
3714 | if (! driver->start_for_frame | |
3715 | || driver->start_for_frame (f) == 0) | |
3716 | { | |
3717 | font_prepare_cache (f, driver); | |
3718 | list->on = 1; | |
3719 | } | |
3720 | } | |
3721 | } | |
3722 | } | |
3723 | ||
3724 | if (NILP (new_drivers)) | |
3725 | return Qnil; | |
3726 | ||
3727 | if (! EQ (new_drivers, Qt)) | |
3728 | { | |
3729 | /* Re-order the driver list according to new_drivers. */ | |
3306c6dc | 3730 | struct font_driver_list **list_table, **next; |
4007dd1c KH |
3731 | Lisp_Object tail; |
3732 | int i; | |
3733 | ||
3734 | list_table = alloca (sizeof list_table[0] * (num_font_drivers + 1)); | |
3735 | for (i = 0, tail = new_drivers; ! NILP (tail); tail = XCDR (tail)) | |
3736 | { | |
3737 | for (list = f->font_driver_list; list; list = list->next) | |
3738 | if (list->on && EQ (list->driver->type, XCAR (tail))) | |
3739 | break; | |
3740 | if (list) | |
3741 | list_table[i++] = list; | |
3742 | } | |
3743 | for (list = f->font_driver_list; list; list = list->next) | |
3744 | if (! list->on) | |
6136b72f | 3745 | list_table[i++] = list; |
4007dd1c KH |
3746 | list_table[i] = NULL; |
3747 | ||
3306c6dc | 3748 | next = &f->font_driver_list; |
4007dd1c KH |
3749 | for (i = 0; list_table[i]; i++) |
3750 | { | |
3306c6dc AS |
3751 | *next = list_table[i]; |
3752 | next = &(*next)->next; | |
4007dd1c | 3753 | } |
3306c6dc | 3754 | *next = NULL; |
ba98e3a0 SM |
3755 | |
3756 | if (! f->font_driver_list->on) | |
3757 | { /* None of the drivers is enabled: enable them all. | |
3758 | Happens if you set the list of drivers to (xft x) in your .emacs | |
3759 | and then use it under w32 or ns. */ | |
3760 | for (list = f->font_driver_list; list; list = list->next) | |
3761 | { | |
3762 | struct font_driver *driver = list->driver; | |
3763 | eassert (! list->on); | |
3764 | if (! driver->start_for_frame | |
3765 | || driver->start_for_frame (f) == 0) | |
3766 | { | |
3767 | font_prepare_cache (f, driver); | |
3768 | list->on = 1; | |
3769 | } | |
3770 | } | |
3771 | } | |
4007dd1c | 3772 | } |
417a1b10 | 3773 | |
4007dd1c KH |
3774 | for (list = f->font_driver_list; list; list = list->next) |
3775 | if (list->on) | |
3776 | active_drivers = nconc2 (active_drivers, | |
3777 | Fcons (list->driver->type, Qnil)); | |
e950d6f1 | 3778 | return active_drivers; |
417a1b10 KH |
3779 | } |
3780 | ||
f697fff0 KH |
3781 | int |
3782 | font_put_frame_data (f, driver, data) | |
3783 | FRAME_PTR f; | |
3784 | struct font_driver *driver; | |
3785 | void *data; | |
3786 | { | |
3787 | struct font_data_list *list, *prev; | |
3788 | ||
3789 | for (prev = NULL, list = f->font_data_list; list; | |
3790 | prev = list, list = list->next) | |
3791 | if (list->driver == driver) | |
3792 | break; | |
3793 | if (! data) | |
3794 | { | |
3795 | if (list) | |
3796 | { | |
3797 | if (prev) | |
3798 | prev->next = list->next; | |
3799 | else | |
3800 | f->font_data_list = list->next; | |
973e7849 | 3801 | xfree (list); |
f697fff0 KH |
3802 | } |
3803 | return 0; | |
3804 | } | |
3805 | ||
3806 | if (! list) | |
3807 | { | |
c115043b | 3808 | list = xmalloc (sizeof (struct font_data_list)); |
f697fff0 KH |
3809 | list->driver = driver; |
3810 | list->next = f->font_data_list; | |
3811 | f->font_data_list = list; | |
3812 | } | |
3813 | list->data = data; | |
3814 | return 0; | |
3815 | } | |
3816 | ||
3817 | ||
3818 | void * | |
3819 | font_get_frame_data (f, driver) | |
3820 | FRAME_PTR f; | |
3821 | struct font_driver *driver; | |
3822 | { | |
3823 | struct font_data_list *list; | |
3824 | ||
3825 | for (list = f->font_data_list; list; list = list->next) | |
3826 | if (list->driver == driver) | |
3827 | break; | |
3828 | if (! list) | |
3829 | return NULL; | |
3830 | return list->data; | |
3831 | } | |
3832 | ||
417a1b10 | 3833 | |
45eb10fb | 3834 | /* Return the font used to draw character C by FACE at buffer position |
e3ee0340 KH |
3835 | POS in window W. If STRING is non-nil, it is a string containing C |
3836 | at index POS. If C is negative, get C from the current buffer or | |
3837 | STRING. */ | |
45eb10fb | 3838 | |
10d16101 | 3839 | Lisp_Object |
e3ee0340 | 3840 | font_at (c, pos, face, w, string) |
10d16101 KH |
3841 | int c; |
3842 | EMACS_INT pos; | |
3843 | struct face *face; | |
3844 | struct window *w; | |
e3ee0340 | 3845 | Lisp_Object string; |
10d16101 KH |
3846 | { |
3847 | FRAME_PTR f; | |
e3ee0340 | 3848 | int multibyte; |
35027d0c | 3849 | Lisp_Object font_object; |
e3ee0340 | 3850 | |
e500c47d KH |
3851 | multibyte = (NILP (string) |
3852 | ? ! NILP (current_buffer->enable_multibyte_characters) | |
3853 | : STRING_MULTIBYTE (string)); | |
e3ee0340 KH |
3854 | if (c < 0) |
3855 | { | |
3856 | if (NILP (string)) | |
3857 | { | |
e3ee0340 KH |
3858 | if (multibyte) |
3859 | { | |
3860 | EMACS_INT pos_byte = CHAR_TO_BYTE (pos); | |
3861 | ||
3862 | c = FETCH_CHAR (pos_byte); | |
3863 | } | |
3864 | else | |
3865 | c = FETCH_BYTE (pos); | |
3866 | } | |
3867 | else | |
3868 | { | |
3869 | unsigned char *str; | |
3870 | ||
3871 | multibyte = STRING_MULTIBYTE (string); | |
3872 | if (multibyte) | |
3873 | { | |
3874 | EMACS_INT pos_byte = string_char_to_byte (string, pos); | |
3875 | ||
3876 | str = SDATA (string) + pos_byte; | |
62a6e103 | 3877 | c = STRING_CHAR (str); |
e3ee0340 KH |
3878 | } |
3879 | else | |
3880 | c = SDATA (string)[pos]; | |
3881 | } | |
3882 | } | |
10d16101 KH |
3883 | |
3884 | f = XFRAME (w->frame); | |
1385a806 KH |
3885 | if (! FRAME_WINDOW_P (f)) |
3886 | return Qnil; | |
10d16101 KH |
3887 | if (! face) |
3888 | { | |
e3ee0340 | 3889 | int face_id; |
0f8b27ea | 3890 | EMACS_INT endptr; |
e3ee0340 KH |
3891 | |
3892 | if (STRINGP (string)) | |
3893 | face_id = face_at_string_position (w, string, pos, 0, -1, -1, &endptr, | |
10d16101 KH |
3894 | DEFAULT_FACE_ID, 0); |
3895 | else | |
e3ee0340 | 3896 | face_id = face_at_buffer_position (w, pos, -1, -1, &endptr, |
6970f632 | 3897 | pos + 100, 0, -1); |
10d16101 KH |
3898 | face = FACE_FROM_ID (f, face_id); |
3899 | } | |
e3ee0340 KH |
3900 | if (multibyte) |
3901 | { | |
3902 | int face_id = FACE_FOR_CHAR (f, face, c, pos, string); | |
3903 | face = FACE_FROM_ID (f, face_id); | |
3904 | } | |
35027d0c | 3905 | if (! face->font) |
10d16101 | 3906 | return Qnil; |
35027d0c | 3907 | |
35027d0c KH |
3908 | XSETFONT (font_object, face->font); |
3909 | return font_object; | |
3910 | } | |
3911 | ||
3912 | ||
071132a9 KH |
3913 | #ifdef HAVE_WINDOW_SYSTEM |
3914 | ||
3915 | /* Check how many characters after POS (at most to *LIMIT) can be | |
3916 | displayed by the same font on the window W. FACE, if non-NULL, is | |
3917 | the face selected for the character at POS. If STRING is not nil, | |
3918 | it is the string to check instead of the current buffer. In that | |
3919 | case, FACE must be not NULL. | |
027a33c0 | 3920 | |
071132a9 KH |
3921 | The return value is the font-object for the character at POS. |
3922 | *LIMIT is set to the position where that font can't be used. | |
35027d0c | 3923 | |
071132a9 KH |
3924 | It is assured that the current buffer (or STRING) is multibyte. */ |
3925 | ||
3926 | Lisp_Object | |
3927 | font_range (pos, limit, w, face, string) | |
3928 | EMACS_INT pos, *limit; | |
3929 | struct window *w; | |
35027d0c | 3930 | struct face *face; |
35027d0c KH |
3931 | Lisp_Object string; |
3932 | { | |
071132a9 | 3933 | EMACS_INT pos_byte, ignore, start, start_byte; |
35027d0c | 3934 | int c; |
071132a9 | 3935 | Lisp_Object font_object = Qnil; |
35027d0c KH |
3936 | |
3937 | if (NILP (string)) | |
3938 | { | |
35027d0c | 3939 | pos_byte = CHAR_TO_BYTE (pos); |
071132a9 KH |
3940 | if (! face) |
3941 | { | |
3942 | int face_id; | |
3943 | ||
6970f632 CY |
3944 | face_id = face_at_buffer_position (w, pos, 0, 0, &ignore, |
3945 | *limit, 0, -1); | |
071132a9 KH |
3946 | face = FACE_FROM_ID (XFRAME (w->frame), face_id); |
3947 | } | |
35027d0c KH |
3948 | } |
3949 | else | |
3950 | { | |
071132a9 | 3951 | font_assert (face); |
35027d0c KH |
3952 | pos_byte = string_char_to_byte (string, pos); |
3953 | } | |
3954 | ||
071132a9 KH |
3955 | start = pos, start_byte = pos_byte; |
3956 | while (pos < *limit) | |
35027d0c | 3957 | { |
071132a9 | 3958 | Lisp_Object category; |
35027d0c KH |
3959 | |
3960 | if (NILP (string)) | |
3961 | FETCH_CHAR_ADVANCE_NO_CHECK (c, pos, pos_byte); | |
3962 | else | |
3963 | FETCH_STRING_CHAR_ADVANCE_NO_CHECK (c, string, pos, pos_byte); | |
071132a9 | 3964 | if (NILP (font_object)) |
35027d0c | 3965 | { |
071132a9 KH |
3966 | font_object = font_for_char (face, c, pos - 1, string); |
3967 | if (NILP (font_object)) | |
3968 | return Qnil; | |
35027d0c KH |
3969 | continue; |
3970 | } | |
071132a9 KH |
3971 | |
3972 | category = CHAR_TABLE_REF (Vunicode_category_table, c); | |
3973 | if (! EQ (category, QCf) | |
78a2f9cd | 3974 | && ! CHAR_VARIATION_SELECTOR_P (c) |
071132a9 | 3975 | && font_encode_char (font_object, c) == FONT_INVALID_CODE) |
35027d0c | 3976 | { |
071132a9 KH |
3977 | Lisp_Object f = font_for_char (face, c, pos - 1, string); |
3978 | EMACS_INT i, i_byte; | |
3979 | ||
3980 | ||
3981 | if (NILP (f)) | |
3982 | { | |
3983 | *limit = pos - 1; | |
3984 | return font_object; | |
3985 | } | |
3986 | i = start, i_byte = start_byte; | |
3987 | while (i < pos - 1) | |
3988 | { | |
3989 | ||
3990 | if (NILP (string)) | |
3991 | FETCH_CHAR_ADVANCE_NO_CHECK (c, i, i_byte); | |
3992 | else | |
3993 | FETCH_STRING_CHAR_ADVANCE_NO_CHECK (c, string, i, i_byte); | |
3994 | category = CHAR_TABLE_REF (Vunicode_category_table, c); | |
3995 | if (! EQ (category, QCf) | |
78a2f9cd | 3996 | && ! CHAR_VARIATION_SELECTOR_P (c) |
071132a9 KH |
3997 | && font_encode_char (f, c) == FONT_INVALID_CODE) |
3998 | { | |
3999 | *limit = pos - 1; | |
4000 | return font_object; | |
4001 | } | |
4002 | } | |
4003 | font_object = f; | |
35027d0c KH |
4004 | } |
4005 | } | |
071132a9 | 4006 | return font_object; |
10d16101 | 4007 | } |
071132a9 | 4008 | #endif |
10d16101 | 4009 | |
c2f5bfd6 KH |
4010 | \f |
4011 | /* Lisp API */ | |
4012 | ||
35027d0c | 4013 | DEFUN ("fontp", Ffontp, Sfontp, 1, 2, 0, |
6c8ec042 | 4014 | doc: /* Return t if OBJECT is a font-spec, font-entity, or font-object. |
35027d0c KH |
4015 | Return nil otherwise. |
4016 | Optional 2nd argument EXTRA-TYPE, if non-nil, specifies to check | |
027a33c0 | 4017 | which kind of font it is. It must be one of `font-spec', `font-entity', |
35027d0c KH |
4018 | `font-object'. */) |
4019 | (object, extra_type) | |
4020 | Lisp_Object object, extra_type; | |
c2f5bfd6 | 4021 | { |
35027d0c KH |
4022 | if (NILP (extra_type)) |
4023 | return (FONTP (object) ? Qt : Qnil); | |
4024 | if (EQ (extra_type, Qfont_spec)) | |
4025 | return (FONT_SPEC_P (object) ? Qt : Qnil); | |
4026 | if (EQ (extra_type, Qfont_entity)) | |
4027 | return (FONT_ENTITY_P (object) ? Qt : Qnil); | |
4028 | if (EQ (extra_type, Qfont_object)) | |
4029 | return (FONT_OBJECT_P (object) ? Qt : Qnil); | |
4030 | wrong_type_argument (intern ("font-extra-type"), extra_type); | |
c2f5bfd6 KH |
4031 | } |
4032 | ||
4033 | DEFUN ("font-spec", Ffont_spec, Sfont_spec, 0, MANY, 0, | |
45eb10fb KH |
4034 | doc: /* Return a newly created font-spec with arguments as properties. |
4035 | ||
4036 | ARGS must come in pairs KEY VALUE of font properties. KEY must be a | |
4037 | valid font property name listed below: | |
4038 | ||
4039 | `:family', `:weight', `:slant', `:width' | |
4040 | ||
4041 | They are the same as face attributes of the same name. See | |
51c01100 | 4042 | `set-face-attribute'. |
45eb10fb KH |
4043 | |
4044 | `:foundry' | |
4045 | ||
4046 | VALUE must be a string or a symbol specifying the font foundry, e.g. ``misc''. | |
4047 | ||
4048 | `:adstyle' | |
4049 | ||
4050 | VALUE must be a string or a symbol specifying the additional | |
35027d0c | 4051 | typographic style information of a font, e.g. ``sans''. |
45eb10fb KH |
4052 | |
4053 | `:registry' | |
4054 | ||
4055 | VALUE must be a string or a symbol specifying the charset registry and | |
4056 | encoding of a font, e.g. ``iso8859-1''. | |
4057 | ||
4058 | `:size' | |
4059 | ||
4060 | VALUE must be a non-negative integer or a floating point number | |
c423ecca KH |
4061 | specifying the font size. It specifies the font size in pixels (if |
4062 | VALUE is an integer), or in points (if VALUE is a float). | |
2babb359 KH |
4063 | |
4064 | `:name' | |
4065 | ||
7a18a178 | 4066 | VALUE must be a string of XLFD-style or fontconfig-style font name. |
5bdd4dd2 KH |
4067 | |
4068 | `:script' | |
4069 | ||
4070 | VALUE must be a symbol representing a script that the font must | |
209f39ac KH |
4071 | support. It may be a symbol representing a subgroup of a script |
4072 | listed in the variable `script-representative-chars'. | |
c423ecca KH |
4073 | |
4074 | `:lang' | |
4075 | ||
4076 | VALUE must be a symbol of two-letter ISO-639 language names, | |
4077 | e.g. `ja'. | |
4078 | ||
4079 | `:otf' | |
4080 | ||
4081 | VALUE must be a list (SCRIPT-TAG LANGSYS-TAG GSUB [ GPOS ]) to specify | |
4082 | required OpenType features. | |
4083 | ||
4084 | SCRIPT-TAG: OpenType script tag symbol (e.g. `deva'). | |
4085 | LANGSYS-TAG: OpenType language system tag symbol, | |
4086 | or nil for the default language system. | |
4087 | GSUB: List of OpenType GSUB feature tag symbols, or nil if none required. | |
4088 | GPOS: List of OpenType GPOS feature tag symbols, or nil if none required. | |
4089 | ||
4090 | GSUB and GPOS may contain `nil' element. In such a case, the font | |
4091 | must not have any of the remaining elements. | |
4092 | ||
4093 | For instance, if the VALUE is `(thai nil nil (mark))', the font must | |
22f79966 | 4094 | be an OpenType font, and whose GPOS table of `thai' script's default |
c423ecca KH |
4095 | language system must contain `mark' feature. |
4096 | ||
ba3de0e8 | 4097 | usage: (font-spec ARGS...) */) |
c2f5bfd6 KH |
4098 | (nargs, args) |
4099 | int nargs; | |
4100 | Lisp_Object *args; | |
4101 | { | |
35027d0c | 4102 | Lisp_Object spec = font_make_spec (); |
c2f5bfd6 KH |
4103 | int i; |
4104 | ||
4105 | for (i = 0; i < nargs; i += 2) | |
4106 | { | |
cccd42d5 KH |
4107 | Lisp_Object key = args[i], val; |
4108 | ||
4109 | CHECK_SYMBOL (key); | |
4110 | if (i + 1 >= nargs) | |
4111 | error ("No value for key `%s'", SDATA (SYMBOL_NAME (key))); | |
4112 | val = args[i + 1]; | |
c2f5bfd6 | 4113 | |
35027d0c KH |
4114 | if (EQ (key, QCname)) |
4115 | { | |
4116 | CHECK_STRING (val); | |
4117 | font_parse_name ((char *) SDATA (val), spec); | |
4118 | font_put_extra (spec, key, val); | |
4119 | } | |
c2f5bfd6 | 4120 | else |
4485a28e | 4121 | { |
35027d0c KH |
4122 | int idx = get_font_prop_index (key); |
4123 | ||
4124 | if (idx >= 0) | |
ec6fe57c | 4125 | { |
35027d0c KH |
4126 | val = font_prop_validate (idx, Qnil, val); |
4127 | if (idx < FONT_EXTRA_INDEX) | |
4128 | ASET (spec, idx, val); | |
4129 | else | |
4130 | font_put_extra (spec, key, val); | |
ec6fe57c | 4131 | } |
35027d0c KH |
4132 | else |
4133 | font_put_extra (spec, key, font_prop_validate (0, key, val)); | |
4485a28e | 4134 | } |
e950d6f1 | 4135 | } |
c2f5bfd6 KH |
4136 | return spec; |
4137 | } | |
4138 | ||
35027d0c KH |
4139 | DEFUN ("copy-font-spec", Fcopy_font_spec, Scopy_font_spec, 1, 1, 0, |
4140 | doc: /* Return a copy of FONT as a font-spec. */) | |
4141 | (font) | |
4142 | Lisp_Object font; | |
4143 | { | |
d26424c5 | 4144 | Lisp_Object new_spec, tail, prev, extra; |
35027d0c KH |
4145 | int i; |
4146 | ||
4147 | CHECK_FONT (font); | |
4148 | new_spec = font_make_spec (); | |
4149 | for (i = 1; i < FONT_EXTRA_INDEX; i++) | |
4150 | ASET (new_spec, i, AREF (font, i)); | |
581e51e8 | 4151 | extra = Fcopy_alist (AREF (font, FONT_EXTRA_INDEX)); |
d26424c5 KH |
4152 | /* We must remove :font-entity property. */ |
4153 | for (prev = Qnil, tail = extra; CONSP (tail); prev = tail, tail = XCDR (tail)) | |
4154 | if (EQ (XCAR (XCAR (tail)), QCfont_entity)) | |
4155 | { | |
4156 | if (NILP (prev)) | |
4157 | extra = XCDR (extra); | |
4158 | else | |
4159 | XSETCDR (prev, XCDR (tail)); | |
4160 | break; | |
4161 | } | |
35027d0c KH |
4162 | ASET (new_spec, FONT_EXTRA_INDEX, extra); |
4163 | return new_spec; | |
4164 | } | |
4165 | ||
4166 | DEFUN ("merge-font-spec", Fmerge_font_spec, Smerge_font_spec, 2, 2, 0, | |
4167 | doc: /* Merge font-specs FROM and TO, and return a new font-spec. | |
4168 | Every specified properties in FROM override the corresponding | |
4169 | properties in TO. */) | |
4170 | (from, to) | |
4171 | Lisp_Object from, to; | |
4172 | { | |
4173 | Lisp_Object extra, tail; | |
4174 | int i; | |
4175 | ||
4176 | CHECK_FONT (from); | |
4177 | CHECK_FONT (to); | |
4178 | to = Fcopy_font_spec (to); | |
4179 | for (i = 0; i < FONT_EXTRA_INDEX; i++) | |
4180 | ASET (to, i, AREF (from, i)); | |
4181 | extra = AREF (to, FONT_EXTRA_INDEX); | |
4182 | for (tail = AREF (from, FONT_EXTRA_INDEX); CONSP (tail); tail = XCDR (tail)) | |
4183 | if (! EQ (XCAR (XCAR (tail)), Qfont_entity)) | |
4184 | { | |
4185 | Lisp_Object slot = assq_no_quit (XCAR (XCAR (tail)), extra); | |
4186 | ||
4187 | if (! NILP (slot)) | |
4188 | XSETCDR (slot, XCDR (XCAR (tail))); | |
4189 | else | |
4190 | extra = Fcons (Fcons (XCAR (XCAR (tail)), XCDR (XCAR (tail))), extra); | |
4191 | } | |
4192 | ASET (to, FONT_EXTRA_INDEX, extra); | |
4193 | return to; | |
4194 | } | |
c2f5bfd6 KH |
4195 | |
4196 | DEFUN ("font-get", Ffont_get, Sfont_get, 2, 2, 0, | |
45eb10fb | 4197 | doc: /* Return the value of FONT's property KEY. |
5bdd4dd2 KH |
4198 | FONT is a font-spec, a font-entity, or a font-object. |
4199 | KEY must be one of these symbols: | |
4200 | :family, :weight, :slant, :width, :foundry, :adstyle, :registry, | |
4201 | :size, :name, :script | |
4202 | See the documentation of `font-spec' for their meanings. | |
4203 | If FONT is a font-entity or font-object, the value of :script may be | |
4204 | a list of scripts that are supported by the font. */) | |
45eb10fb KH |
4205 | (font, key) |
4206 | Lisp_Object font, key; | |
c2f5bfd6 | 4207 | { |
35027d0c | 4208 | int idx; |
c2f5bfd6 | 4209 | |
35027d0c KH |
4210 | CHECK_FONT (font); |
4211 | CHECK_SYMBOL (key); | |
e80e09b4 | 4212 | |
35027d0c | 4213 | idx = get_font_prop_index (key); |
2babb359 KH |
4214 | if (idx >= FONT_WEIGHT_INDEX && idx <= FONT_WIDTH_INDEX) |
4215 | return font_style_symbolic (font, idx, 0); | |
35027d0c | 4216 | if (idx >= 0 && idx < FONT_EXTRA_INDEX) |
c2f5bfd6 | 4217 | return AREF (font, idx); |
35027d0c | 4218 | return Fcdr (Fassq (key, AREF (font, FONT_EXTRA_INDEX))); |
c2f5bfd6 KH |
4219 | } |
4220 | ||
51cf11be AS |
4221 | #ifdef HAVE_WINDOW_SYSTEM |
4222 | ||
b1868a1a CY |
4223 | DEFUN ("font-face-attributes", Ffont_face_attributes, Sfont_face_attributes, 1, 2, 0, |
4224 | doc: /* Return a plist of face attributes generated by FONT. | |
4225 | FONT is a font name, a font-spec, a font-entity, or a font-object. | |
4226 | The return value is a list of the form | |
4227 | ||
6f568955 | 4228 | \(:family FAMILY :height HEIGHT :weight WEIGHT :slant SLANT :width WIDTH) |
b1868a1a | 4229 | |
48105a6a | 4230 | where FAMILY, HEIGHT, WEIGHT, SLANT, and WIDTH are face attribute values |
5989ba2f CY |
4231 | compatible with `set-face-attribute'. Some of these key-attribute pairs |
4232 | may be omitted from the list if they are not specified by FONT. | |
b1868a1a | 4233 | |
48105a6a JB |
4234 | The optional argument FRAME specifies the frame that the face attributes |
4235 | are to be displayed on. If omitted, the selected frame is used. */) | |
b1868a1a | 4236 | (font, frame) |
6f568955 | 4237 | Lisp_Object font, frame; |
b1868a1a CY |
4238 | { |
4239 | struct frame *f; | |
4240 | Lisp_Object plist[10]; | |
4241 | Lisp_Object val; | |
5989ba2f | 4242 | int n = 0; |
b1868a1a CY |
4243 | |
4244 | if (NILP (frame)) | |
4245 | frame = selected_frame; | |
4246 | CHECK_LIVE_FRAME (frame); | |
4247 | f = XFRAME (frame); | |
4248 | ||
4249 | if (STRINGP (font)) | |
4250 | { | |
4251 | int fontset = fs_query_fontset (font, 0); | |
4252 | Lisp_Object name = font; | |
4253 | if (fontset >= 0) | |
4254 | font = fontset_ascii (fontset); | |
4255 | font = font_spec_from_name (name); | |
4256 | if (! FONTP (font)) | |
4257 | signal_error ("Invalid font name", name); | |
4258 | } | |
4259 | else if (! FONTP (font)) | |
4260 | signal_error ("Invalid font object", font); | |
4261 | ||
b1868a1a | 4262 | val = AREF (font, FONT_FAMILY_INDEX); |
5989ba2f CY |
4263 | if (! NILP (val)) |
4264 | { | |
4265 | plist[n++] = QCfamily; | |
4266 | plist[n++] = SYMBOL_NAME (val); | |
4267 | } | |
b1868a1a | 4268 | |
b1868a1a CY |
4269 | val = AREF (font, FONT_SIZE_INDEX); |
4270 | if (INTEGERP (val)) | |
4271 | { | |
4272 | Lisp_Object font_dpi = AREF (font, FONT_DPI_INDEX); | |
4273 | int dpi = INTEGERP (font_dpi) ? XINT (font_dpi) : f->resy; | |
5989ba2f | 4274 | plist[n++] = QCheight; |
c3bb5465 | 4275 | plist[n++] = make_number (PIXEL_TO_POINT (XINT (val) * 10, dpi)); |
b1868a1a CY |
4276 | } |
4277 | else if (FLOATP (val)) | |
5989ba2f CY |
4278 | { |
4279 | plist[n++] = QCheight; | |
4280 | plist[n++] = make_number (10 * (int) XFLOAT_DATA (val)); | |
4281 | } | |
b1868a1a | 4282 | |
b1868a1a | 4283 | val = FONT_WEIGHT_FOR_FACE (font); |
5989ba2f CY |
4284 | if (! NILP (val)) |
4285 | { | |
4286 | plist[n++] = QCweight; | |
4287 | plist[n++] = val; | |
4288 | } | |
b1868a1a | 4289 | |
b1868a1a | 4290 | val = FONT_SLANT_FOR_FACE (font); |
5989ba2f CY |
4291 | if (! NILP (val)) |
4292 | { | |
4293 | plist[n++] = QCslant; | |
4294 | plist[n++] = val; | |
4295 | } | |
b1868a1a | 4296 | |
b1868a1a | 4297 | val = FONT_WIDTH_FOR_FACE (font); |
5989ba2f CY |
4298 | if (! NILP (val)) |
4299 | { | |
4300 | plist[n++] = QCwidth; | |
4301 | plist[n++] = val; | |
4302 | } | |
b1868a1a | 4303 | |
5989ba2f | 4304 | return Flist (n, plist); |
b1868a1a | 4305 | } |
c2f5bfd6 | 4306 | |
51cf11be AS |
4307 | #endif |
4308 | ||
c2f5bfd6 | 4309 | DEFUN ("font-put", Ffont_put, Sfont_put, 3, 3, 0, |
51c01100 | 4310 | doc: /* Set one property of FONT-SPEC: give property PROP value VAL. */) |
c2f5bfd6 KH |
4311 | (font_spec, prop, val) |
4312 | Lisp_Object font_spec, prop, val; | |
4313 | { | |
35027d0c | 4314 | int idx; |
c2f5bfd6 KH |
4315 | |
4316 | CHECK_FONT_SPEC (font_spec); | |
35027d0c KH |
4317 | idx = get_font_prop_index (prop); |
4318 | if (idx >= 0 && idx < FONT_EXTRA_INDEX) | |
69eb9e8b | 4319 | ASET (font_spec, idx, font_prop_validate (idx, Qnil, val)); |
c2f5bfd6 | 4320 | else |
35027d0c | 4321 | font_put_extra (font_spec, prop, font_prop_validate (0, prop, val)); |
c2f5bfd6 KH |
4322 | return val; |
4323 | } | |
4324 | ||
4325 | DEFUN ("list-fonts", Flist_fonts, Slist_fonts, 1, 4, 0, | |
4326 | doc: /* List available fonts matching FONT-SPEC on the current frame. | |
4327 | Optional 2nd argument FRAME specifies the target frame. | |
4328 | Optional 3rd argument NUM, if non-nil, limits the number of returned fonts. | |
45eb10fb KH |
4329 | Optional 4th argument PREFER, if non-nil, is a font-spec to |
4330 | control the order of the returned list. Fonts are sorted by | |
027a33c0 | 4331 | how close they are to PREFER. */) |
c2f5bfd6 KH |
4332 | (font_spec, frame, num, prefer) |
4333 | Lisp_Object font_spec, frame, num, prefer; | |
4334 | { | |
72d36834 KH |
4335 | Lisp_Object vec, list; |
4336 | int n = 0; | |
c2f5bfd6 KH |
4337 | |
4338 | if (NILP (frame)) | |
4339 | frame = selected_frame; | |
4340 | CHECK_LIVE_FRAME (frame); | |
35027d0c | 4341 | CHECK_FONT_SPEC (font_spec); |
c2f5bfd6 KH |
4342 | if (! NILP (num)) |
4343 | { | |
4344 | CHECK_NUMBER (num); | |
4345 | n = XINT (num); | |
4346 | if (n <= 0) | |
4347 | return Qnil; | |
4348 | } | |
4349 | if (! NILP (prefer)) | |
35027d0c | 4350 | CHECK_FONT_SPEC (prefer); |
c2f5bfd6 | 4351 | |
72d36834 KH |
4352 | list = font_list_entities (frame, font_spec); |
4353 | if (NILP (list)) | |
c2f5bfd6 | 4354 | return Qnil; |
72d36834 KH |
4355 | if (NILP (XCDR (list)) |
4356 | && ASIZE (XCAR (list)) == 1) | |
4357 | return Fcons (AREF (XCAR (list), 0), Qnil); | |
c2f5bfd6 KH |
4358 | |
4359 | if (! NILP (prefer)) | |
72d36834 KH |
4360 | vec = font_sort_entities (list, prefer, frame, 0); |
4361 | else | |
4362 | vec = font_vconcat_entity_vectors (list); | |
4363 | if (n == 0 || n >= ASIZE (vec)) | |
c2f5bfd6 | 4364 | { |
72d36834 | 4365 | Lisp_Object args[2]; |
c2f5bfd6 | 4366 | |
72d36834 KH |
4367 | args[0] = vec; |
4368 | args[1] = Qnil; | |
4369 | list = Fappend (2, args); | |
4370 | } | |
4371 | else | |
4372 | { | |
4373 | for (list = Qnil, n--; n >= 0; n--) | |
4374 | list = Fcons (AREF (vec, n), list); | |
c2f5bfd6 KH |
4375 | } |
4376 | return list; | |
4377 | } | |
4378 | ||
35027d0c | 4379 | DEFUN ("font-family-list", Ffont_family_list, Sfont_family_list, 0, 1, 0, |
c2f5bfd6 | 4380 | doc: /* List available font families on the current frame. |
027a33c0 | 4381 | Optional argument FRAME, if non-nil, specifies the target frame. */) |
c2f5bfd6 KH |
4382 | (frame) |
4383 | Lisp_Object frame; | |
4384 | { | |
4385 | FRAME_PTR f; | |
4386 | struct font_driver_list *driver_list; | |
4387 | Lisp_Object list; | |
4388 | ||
4389 | if (NILP (frame)) | |
4390 | frame = selected_frame; | |
4391 | CHECK_LIVE_FRAME (frame); | |
4392 | f = XFRAME (frame); | |
4393 | list = Qnil; | |
4394 | for (driver_list = f->font_driver_list; driver_list; | |
4395 | driver_list = driver_list->next) | |
4396 | if (driver_list->driver->list_family) | |
4397 | { | |
4398 | Lisp_Object val = driver_list->driver->list_family (frame); | |
13bf758b | 4399 | Lisp_Object tail = list; |
c2f5bfd6 | 4400 | |
13bf758b CY |
4401 | for (; CONSP (val); val = XCDR (val)) |
4402 | if (NILP (Fmemq (XCAR (val), tail)) | |
4403 | && SYMBOLP (XCAR (val))) | |
4404 | list = Fcons (SYMBOL_NAME (XCAR (val)), list); | |
c2f5bfd6 KH |
4405 | } |
4406 | return list; | |
4407 | } | |
4408 | ||
4409 | DEFUN ("find-font", Ffind_font, Sfind_font, 1, 2, 0, | |
4410 | doc: /* Return a font-entity matching with FONT-SPEC on the current frame. | |
4411 | Optional 2nd argument FRAME, if non-nil, specifies the target frame. */) | |
4412 | (font_spec, frame) | |
4413 | Lisp_Object font_spec, frame; | |
4414 | { | |
4415 | Lisp_Object val = Flist_fonts (font_spec, frame, make_number (1), Qnil); | |
4416 | ||
4417 | if (CONSP (val)) | |
4418 | val = XCAR (val); | |
4419 | return val; | |
4420 | } | |
4421 | ||
d0ab1ebe | 4422 | DEFUN ("font-xlfd-name", Ffont_xlfd_name, Sfont_xlfd_name, 1, 2, 0, |
c2f5bfd6 KH |
4423 | doc: /* Return XLFD name of FONT. |
4424 | FONT is a font-spec, font-entity, or font-object. | |
d0ab1ebe KH |
4425 | If the name is too long for XLFD (maximum 255 chars), return nil. |
4426 | If the 2nd optional arg FOLD-WILDCARDS is non-nil, | |
4427 | the consecutive wildcards are folded to one. */) | |
4428 | (font, fold_wildcards) | |
4429 | Lisp_Object font, fold_wildcards; | |
c2f5bfd6 KH |
4430 | { |
4431 | char name[256]; | |
4432 | int pixel_size = 0; | |
4433 | ||
35027d0c KH |
4434 | CHECK_FONT (font); |
4435 | ||
4436 | if (FONT_OBJECT_P (font)) | |
c2f5bfd6 | 4437 | { |
35027d0c | 4438 | Lisp_Object font_name = AREF (font, FONT_NAME_INDEX); |
c2f5bfd6 | 4439 | |
35027d0c KH |
4440 | if (STRINGP (font_name) |
4441 | && SDATA (font_name)[0] == '-') | |
d0ab1ebe KH |
4442 | { |
4443 | if (NILP (fold_wildcards)) | |
4444 | return font_name; | |
4445 | strcpy (name, (char *) SDATA (font_name)); | |
4446 | goto done; | |
4447 | } | |
35027d0c | 4448 | pixel_size = XFONT_OBJECT (font)->pixel_size; |
c2f5bfd6 | 4449 | } |
c2f5bfd6 KH |
4450 | if (font_unparse_xlfd (font, pixel_size, name, 256) < 0) |
4451 | return Qnil; | |
d0ab1ebe KH |
4452 | done: |
4453 | if (! NILP (fold_wildcards)) | |
4454 | { | |
4455 | char *p0 = name, *p1; | |
4456 | ||
4457 | while ((p1 = strstr (p0, "-*-*"))) | |
4458 | { | |
4459 | strcpy (p1, p1 + 2); | |
4460 | p0 = p1; | |
4461 | } | |
4462 | } | |
4463 | ||
c2f5bfd6 KH |
4464 | return build_string (name); |
4465 | } | |
4466 | ||
4467 | DEFUN ("clear-font-cache", Fclear_font_cache, Sclear_font_cache, 0, 0, 0, | |
4468 | doc: /* Clear font cache. */) | |
4469 | () | |
4470 | { | |
4471 | Lisp_Object list, frame; | |
4472 | ||
4473 | FOR_EACH_FRAME (list, frame) | |
4474 | { | |
4475 | FRAME_PTR f = XFRAME (frame); | |
4476 | struct font_driver_list *driver_list = f->font_driver_list; | |
4477 | ||
4478 | for (; driver_list; driver_list = driver_list->next) | |
417a1b10 KH |
4479 | if (driver_list->on) |
4480 | { | |
ca4da08a KH |
4481 | Lisp_Object cache = driver_list->driver->get_cache (f); |
4482 | Lisp_Object val; | |
51c01100 | 4483 | |
ca4da08a | 4484 | val = XCDR (cache); |
43c0454d KH |
4485 | while (! NILP (val) |
4486 | && ! EQ (XCAR (XCAR (val)), driver_list->driver->type)) | |
ca4da08a | 4487 | val = XCDR (val); |
d0ab1ebe | 4488 | font_assert (! NILP (val)); |
ca4da08a KH |
4489 | val = XCDR (XCAR (val)); |
4490 | if (XINT (XCAR (val)) == 0) | |
417a1b10 | 4491 | { |
ca4da08a KH |
4492 | font_clear_cache (f, XCAR (val), driver_list->driver); |
4493 | XSETCDR (cache, XCDR (val)); | |
417a1b10 | 4494 | } |
417a1b10 | 4495 | } |
c2f5bfd6 KH |
4496 | } |
4497 | ||
4498 | return Qnil; | |
4499 | } | |
4500 | ||
071132a9 KH |
4501 | \f |
4502 | void | |
4503 | font_fill_lglyph_metrics (glyph, font_object) | |
4504 | Lisp_Object glyph, font_object; | |
c2f5bfd6 | 4505 | { |
071132a9 | 4506 | struct font *font = XFONT_OBJECT (font_object); |
f62ab7c5 EZ |
4507 | unsigned code; |
4508 | /* ecode used in LGLYPH_SET_CODE to avoid compiler warnings. */ | |
4509 | EMACS_INT ecode = font->driver->encode_char (font, LGLYPH_CHAR (glyph)); | |
071132a9 | 4510 | struct font_metrics metrics; |
c2f5bfd6 | 4511 | |
f62ab7c5 EZ |
4512 | LGLYPH_SET_CODE (glyph, ecode); |
4513 | code = ecode; | |
071132a9 KH |
4514 | font->driver->text_extents (font, &code, 1, &metrics); |
4515 | LGLYPH_SET_LBEARING (glyph, metrics.lbearing); | |
4516 | LGLYPH_SET_RBEARING (glyph, metrics.rbearing); | |
4517 | LGLYPH_SET_WIDTH (glyph, metrics.width); | |
4518 | LGLYPH_SET_ASCENT (glyph, metrics.ascent); | |
4519 | LGLYPH_SET_DESCENT (glyph, metrics.descent); | |
c2f5bfd6 KH |
4520 | } |
4521 | ||
c2f5bfd6 | 4522 | |
071132a9 KH |
4523 | DEFUN ("font-shape-gstring", Ffont_shape_gstring, Sfont_shape_gstring, 1, 1, 0, |
4524 | doc: /* Shape the glyph-string GSTRING. | |
4525 | Shaping means substituting glyphs and/or adjusting positions of glyphs | |
4526 | to get the correct visual image of character sequences set in the | |
4527 | header of the glyph-string. | |
1701724c | 4528 | |
071132a9 KH |
4529 | If the shaping was successful, the value is GSTRING itself or a newly |
4530 | created glyph-string. Otherwise, the value is nil. */) | |
4531 | (gstring) | |
4532 | Lisp_Object gstring; | |
1701724c KH |
4533 | { |
4534 | struct font *font; | |
071132a9 | 4535 | Lisp_Object font_object, n, glyph; |
fc3a285e | 4536 | int i, j, from, to; |
ba3de0e8 | 4537 | |
071132a9 KH |
4538 | if (! composition_gstring_p (gstring)) |
4539 | signal_error ("Invalid glyph-string: ", gstring); | |
4540 | if (! NILP (LGSTRING_ID (gstring))) | |
4541 | return gstring; | |
4542 | font_object = LGSTRING_FONT (gstring); | |
4543 | CHECK_FONT_OBJECT (font_object); | |
35027d0c | 4544 | font = XFONT_OBJECT (font_object); |
b876ea91 KH |
4545 | if (! font->driver->shape) |
4546 | return Qnil; | |
4547 | ||
40fb53d6 KH |
4548 | /* Try at most three times with larger gstring each time. */ |
4549 | for (i = 0; i < 3; i++) | |
4550 | { | |
40fb53d6 KH |
4551 | n = font->driver->shape (gstring); |
4552 | if (INTEGERP (n)) | |
4553 | break; | |
071132a9 KH |
4554 | gstring = larger_vector (gstring, |
4555 | ASIZE (gstring) + LGSTRING_GLYPH_LEN (gstring), | |
4556 | Qnil); | |
40fb53d6 | 4557 | } |
071132a9 | 4558 | if (i == 3 || XINT (n) == 0) |
1701724c | 4559 | return Qnil; |
ba3de0e8 | 4560 | |
071132a9 | 4561 | glyph = LGSTRING_GLYPH (gstring, 0); |
fc3a285e KH |
4562 | from = LGLYPH_FROM (glyph); |
4563 | to = LGLYPH_TO (glyph); | |
4564 | for (i = 1, j = 0; i < LGSTRING_GLYPH_LEN (gstring); i++) | |
071132a9 KH |
4565 | { |
4566 | Lisp_Object this = LGSTRING_GLYPH (gstring, i); | |
10d16101 | 4567 | |
071132a9 KH |
4568 | if (NILP (this)) |
4569 | break; | |
4570 | if (NILP (LGLYPH_ADJUSTMENT (this))) | |
fc3a285e KH |
4571 | { |
4572 | if (j < i - 1) | |
4573 | for (; j < i; j++) | |
4574 | { | |
4575 | glyph = LGSTRING_GLYPH (gstring, j); | |
4576 | LGLYPH_SET_FROM (glyph, from); | |
4577 | LGLYPH_SET_TO (glyph, to); | |
4578 | } | |
4579 | from = LGLYPH_FROM (this); | |
4580 | to = LGLYPH_TO (this); | |
4581 | j = i; | |
4582 | } | |
071132a9 | 4583 | else |
b2937119 | 4584 | { |
fc3a285e KH |
4585 | if (from > LGLYPH_FROM (this)) |
4586 | from = LGLYPH_FROM (this); | |
4587 | if (to < LGLYPH_TO (this)) | |
4588 | to = LGLYPH_TO (this); | |
b2937119 | 4589 | } |
10d16101 | 4590 | } |
fc3a285e KH |
4591 | if (j < i - 1) |
4592 | for (; j < i; j++) | |
4593 | { | |
4594 | glyph = LGSTRING_GLYPH (gstring, j); | |
4595 | LGLYPH_SET_FROM (glyph, from); | |
4596 | LGLYPH_SET_TO (glyph, to); | |
4597 | } | |
071132a9 | 4598 | return composition_gstring_put_cache (gstring, XINT (n)); |
c2f5bfd6 KH |
4599 | } |
4600 | ||
78a2f9cd KH |
4601 | DEFUN ("font-variation-glyphs", Ffont_variation_glyphs, Sfont_variation_glyphs, |
4602 | 2, 2, 0, | |
4603 | doc: /* Return a list of variation glyphs for CHAR in FONT-OBJECT. | |
4604 | Each element of the value is a cons (VARIATION-SELECTOR . GLYPH-ID), | |
4605 | where | |
4606 | VARIATION-SELECTOR is a chracter code of variation selection | |
4607 | (#xFE00..#xFE0F or #xE0100..#xE01EF) | |
4608 | GLYPH-ID is a glyph code of the corresponding variation glyph. */) | |
4609 | (font_object, character) | |
4610 | Lisp_Object font_object, character; | |
4611 | { | |
4612 | unsigned variations[256]; | |
4613 | struct font *font; | |
4614 | int i, n; | |
4615 | Lisp_Object val; | |
4616 | ||
4617 | CHECK_FONT_OBJECT (font_object); | |
4618 | CHECK_CHARACTER (character); | |
4619 | font = XFONT_OBJECT (font_object); | |
4620 | if (! font->driver->get_variation_glyphs) | |
4621 | return Qnil; | |
4622 | n = font->driver->get_variation_glyphs (font, XINT (character), variations); | |
4623 | if (! n) | |
4624 | return Qnil; | |
4625 | val = Qnil; | |
4626 | for (i = 0; i < 255; i++) | |
4627 | if (variations[i]) | |
4628 | { | |
4629 | Lisp_Object code; | |
4630 | int vs = (i < 16 ? 0xFE00 + i : 0xE0100 + (i - 16)); | |
b60861e6 GM |
4631 | /* Stops GCC whining about limited range of data type. */ |
4632 | EMACS_INT var = variations[i]; | |
78a2f9cd | 4633 | |
b60861e6 | 4634 | if (var > MOST_POSITIVE_FIXNUM) |
78a2f9cd KH |
4635 | code = Fcons (make_number ((variations[i]) >> 16), |
4636 | make_number ((variations[i]) & 0xFFFF)); | |
4637 | else | |
4638 | code = make_number (variations[i]); | |
4639 | val = Fcons (Fcons (make_number (vs), code), val); | |
4640 | } | |
4641 | return val; | |
4642 | } | |
4643 | ||
6a3dadd2 KH |
4644 | #if 0 |
4645 | ||
733fd013 KH |
4646 | DEFUN ("font-drive-otf", Ffont_drive_otf, Sfont_drive_otf, 6, 6, 0, |
4647 | doc: /* Apply OpenType features on glyph-string GSTRING-IN. | |
51c01100 | 4648 | OTF-FEATURES specifies which features to apply in this format: |
733fd013 | 4649 | (SCRIPT LANGSYS GSUB GPOS) |
e80e09b4 KH |
4650 | where |
4651 | SCRIPT is a symbol specifying a script tag of OpenType, | |
4652 | LANGSYS is a symbol specifying a langsys tag of OpenType, | |
733fd013 | 4653 | GSUB and GPOS, if non-nil, are lists of symbols specifying feature tags. |
e80e09b4 KH |
4654 | |
4655 | If LANGYS is nil, the default langsys is selected. | |
4656 | ||
51c01100 JB |
4657 | The features are applied in the order they appear in the list. The |
4658 | symbol `*' means to apply all available features not present in this | |
733fd013 KH |
4659 | list, and the remaining features are ignored. For instance, (vatu |
4660 | pstf * haln) is to apply vatu and pstf in this order, then to apply | |
4661 | all available features other than vatu, pstf, and haln. | |
e80e09b4 KH |
4662 | |
4663 | The features are applied to the glyphs in the range FROM and TO of | |
733fd013 | 4664 | the glyph-string GSTRING-IN. |
e80e09b4 | 4665 | |
51c01100 | 4666 | If some feature is actually applicable, the resulting glyphs are |
e80e09b4 KH |
4667 | produced in the glyph-string GSTRING-OUT from the index INDEX. In |
4668 | this case, the value is the number of produced glyphs. | |
4669 | ||
4670 | If no feature is applicable, no glyph is produced in GSTRING-OUT, and | |
4671 | the value is 0. | |
4672 | ||
51c01100 | 4673 | If GSTRING-OUT is too short to hold produced glyphs, no glyphs are |
e80e09b4 KH |
4674 | produced in GSTRING-OUT, and the value is nil. |
4675 | ||
4676 | See the documentation of `font-make-gstring' for the format of | |
4677 | glyph-string. */) | |
733fd013 KH |
4678 | (otf_features, gstring_in, from, to, gstring_out, index) |
4679 | Lisp_Object otf_features, gstring_in, from, to, gstring_out, index; | |
e80e09b4 KH |
4680 | { |
4681 | Lisp_Object font_object = LGSTRING_FONT (gstring_in); | |
733fd013 KH |
4682 | Lisp_Object val; |
4683 | struct font *font; | |
e80e09b4 KH |
4684 | int len, num; |
4685 | ||
733fd013 | 4686 | check_otf_features (otf_features); |
35027d0c KH |
4687 | CHECK_FONT_OBJECT (font_object); |
4688 | font = XFONT_OBJECT (font_object); | |
733fd013 | 4689 | if (! font->driver->otf_drive) |
e80e09b4 KH |
4690 | error ("Font backend %s can't drive OpenType GSUB table", |
4691 | SDATA (SYMBOL_NAME (font->driver->type))); | |
733fd013 KH |
4692 | CHECK_CONS (otf_features); |
4693 | CHECK_SYMBOL (XCAR (otf_features)); | |
4694 | val = XCDR (otf_features); | |
4695 | CHECK_SYMBOL (XCAR (val)); | |
4696 | val = XCDR (otf_features); | |
4697 | if (! NILP (val)) | |
4698 | CHECK_CONS (val); | |
e80e09b4 KH |
4699 | len = check_gstring (gstring_in); |
4700 | CHECK_VECTOR (gstring_out); | |
4701 | CHECK_NATNUM (from); | |
4702 | CHECK_NATNUM (to); | |
4703 | CHECK_NATNUM (index); | |
4704 | ||
4705 | if (XINT (from) >= XINT (to) || XINT (to) > len) | |
4706 | args_out_of_range_3 (from, to, make_number (len)); | |
4707 | if (XINT (index) >= ASIZE (gstring_out)) | |
4708 | args_out_of_range (index, make_number (ASIZE (gstring_out))); | |
733fd013 KH |
4709 | num = font->driver->otf_drive (font, otf_features, |
4710 | gstring_in, XINT (from), XINT (to), | |
4711 | gstring_out, XINT (index), 0); | |
e80e09b4 KH |
4712 | if (num < 0) |
4713 | return Qnil; | |
4714 | return make_number (num); | |
4715 | } | |
4716 | ||
e80e09b4 KH |
4717 | DEFUN ("font-otf-alternates", Ffont_otf_alternates, Sfont_otf_alternates, |
4718 | 3, 3, 0, | |
4719 | doc: /* Return a list of alternate glyphs of CHARACTER in FONT-OBJECT. | |
51c01100 | 4720 | OTF-FEATURES specifies which features of the font FONT-OBJECT to apply |
e80e09b4 KH |
4721 | in this format: |
4722 | (SCRIPT LANGSYS FEATURE ...) | |
027a33c0 | 4723 | See the documentation of `font-drive-otf' for more detail. |
e80e09b4 KH |
4724 | |
4725 | The value is a list of cons cells of the format (GLYPH-ID . CHARACTER), | |
4726 | where GLYPH-ID is a glyph index of the font, and CHARACTER is a | |
4727 | character code corresponding to the glyph or nil if there's no | |
4728 | corresponding character. */) | |
733fd013 KH |
4729 | (font_object, character, otf_features) |
4730 | Lisp_Object font_object, character, otf_features; | |
e80e09b4 KH |
4731 | { |
4732 | struct font *font; | |
4733 | Lisp_Object gstring_in, gstring_out, g; | |
4734 | Lisp_Object alternates; | |
4735 | int i, num; | |
4736 | ||
4737 | CHECK_FONT_GET_OBJECT (font_object, font); | |
733fd013 | 4738 | if (! font->driver->otf_drive) |
e950d6f1 KH |
4739 | error ("Font backend %s can't drive OpenType GSUB table", |
4740 | SDATA (SYMBOL_NAME (font->driver->type))); | |
e80e09b4 | 4741 | CHECK_CHARACTER (character); |
733fd013 | 4742 | CHECK_CONS (otf_features); |
e80e09b4 KH |
4743 | |
4744 | gstring_in = Ffont_make_gstring (font_object, make_number (1)); | |
4745 | g = LGSTRING_GLYPH (gstring_in, 0); | |
f9ffa1ea | 4746 | LGLYPH_SET_CHAR (g, XINT (character)); |
e80e09b4 | 4747 | gstring_out = Ffont_make_gstring (font_object, make_number (10)); |
733fd013 KH |
4748 | while ((num = font->driver->otf_drive (font, otf_features, gstring_in, 0, 1, |
4749 | gstring_out, 0, 1)) < 0) | |
e80e09b4 KH |
4750 | gstring_out = Ffont_make_gstring (font_object, |
4751 | make_number (ASIZE (gstring_out) * 2)); | |
4752 | alternates = Qnil; | |
4753 | for (i = 0; i < num; i++) | |
4754 | { | |
4755 | Lisp_Object g = LGSTRING_GLYPH (gstring_out, i); | |
f9ffa1ea SM |
4756 | int c = LGLYPH_CHAR (g); |
4757 | unsigned code = LGLYPH_CODE (g); | |
e80e09b4 KH |
4758 | |
4759 | alternates = Fcons (Fcons (make_number (code), | |
4760 | c > 0 ? make_number (c) : Qnil), | |
4761 | alternates); | |
4762 | } | |
4763 | return Fnreverse (alternates); | |
4764 | } | |
6a3dadd2 | 4765 | #endif /* 0 */ |
c2f5bfd6 KH |
4766 | |
4767 | #ifdef FONT_DEBUG | |
4768 | ||
4769 | DEFUN ("open-font", Fopen_font, Sopen_font, 1, 3, 0, | |
4770 | doc: /* Open FONT-ENTITY. */) | |
4771 | (font_entity, size, frame) | |
4772 | Lisp_Object font_entity; | |
4773 | Lisp_Object size; | |
4774 | Lisp_Object frame; | |
4775 | { | |
4776 | int isize; | |
4777 | ||
4778 | CHECK_FONT_ENTITY (font_entity); | |
c2f5bfd6 KH |
4779 | if (NILP (frame)) |
4780 | frame = selected_frame; | |
4781 | CHECK_LIVE_FRAME (frame); | |
51c01100 | 4782 | |
35027d0c KH |
4783 | if (NILP (size)) |
4784 | isize = XINT (AREF (font_entity, FONT_SIZE_INDEX)); | |
4785 | else | |
4786 | { | |
4787 | CHECK_NUMBER_OR_FLOAT (size); | |
4788 | if (FLOATP (size)) | |
d03b5cdb | 4789 | isize = POINT_TO_PIXEL (XFLOAT_DATA (size), XFRAME (frame)->resy); |
35027d0c KH |
4790 | else |
4791 | isize = XINT (size); | |
4792 | if (isize == 0) | |
4793 | isize = 120; | |
4794 | } | |
c2f5bfd6 KH |
4795 | return font_open_entity (XFRAME (frame), font_entity, isize); |
4796 | } | |
4797 | ||
4798 | DEFUN ("close-font", Fclose_font, Sclose_font, 1, 2, 0, | |
4799 | doc: /* Close FONT-OBJECT. */) | |
4800 | (font_object, frame) | |
4801 | Lisp_Object font_object, frame; | |
4802 | { | |
4803 | CHECK_FONT_OBJECT (font_object); | |
4804 | if (NILP (frame)) | |
4805 | frame = selected_frame; | |
4806 | CHECK_LIVE_FRAME (frame); | |
4807 | font_close_object (XFRAME (frame), font_object); | |
4808 | return Qnil; | |
4809 | } | |
4810 | ||
4811 | DEFUN ("query-font", Fquery_font, Squery_font, 1, 1, 0, | |
e80e09b4 KH |
4812 | doc: /* Return information about FONT-OBJECT. |
4813 | The value is a vector: | |
4814 | [ NAME FILENAME PIXEL-SIZE SIZE ASCENT DESCENT SPACE-WIDTH AVERAGE-WIDTH | |
e0708580 | 4815 | CAPABILITY ] |
e80e09b4 KH |
4816 | |
4817 | NAME is a string of the font name (or nil if the font backend doesn't | |
4818 | provide a name). | |
4819 | ||
4820 | FILENAME is a string of the font file (or nil if the font backend | |
4821 | doesn't provide a file name). | |
4822 | ||
4823 | PIXEL-SIZE is a pixel size by which the font is opened. | |
4824 | ||
027a33c0 | 4825 | SIZE is a maximum advance width of the font in pixels. |
e80e09b4 KH |
4826 | |
4827 | ASCENT, DESCENT, SPACE-WIDTH, AVERAGE-WIDTH are metrics of the font in | |
027a33c0 | 4828 | pixels. |
e80e09b4 | 4829 | |
e0708580 KH |
4830 | CAPABILITY is a list whose first element is a symbol representing the |
4831 | font format \(x, opentype, truetype, type1, pcf, or bdf) and the | |
027a33c0 | 4832 | remaining elements describe the details of the font capability. |
e0708580 KH |
4833 | |
4834 | If the font is OpenType font, the form of the list is | |
4835 | \(opentype GSUB GPOS) | |
4836 | where GSUB shows which "GSUB" features the font supports, and GPOS | |
4837 | shows which "GPOS" features the font supports. Both GSUB and GPOS are | |
4838 | lists of the format: | |
4839 | \((SCRIPT (LANGSYS FEATURE ...) ...) ...) | |
4840 | ||
4841 | If the font is not OpenType font, currently the length of the form is | |
4842 | one. | |
e80e09b4 KH |
4843 | |
4844 | SCRIPT is a symbol representing OpenType script tag. | |
4845 | ||
4846 | LANGSYS is a symbol representing OpenType langsys tag, or nil | |
4847 | representing the default langsys. | |
4848 | ||
51c01100 | 4849 | FEATURE is a symbol representing OpenType feature tag. |
e80e09b4 | 4850 | |
51c01100 | 4851 | If the font is not OpenType font, CAPABILITY is nil. */) |
c2f5bfd6 KH |
4852 | (font_object) |
4853 | Lisp_Object font_object; | |
4854 | { | |
4855 | struct font *font; | |
4856 | Lisp_Object val; | |
4857 | ||
4858 | CHECK_FONT_GET_OBJECT (font_object, font); | |
4859 | ||
4860 | val = Fmake_vector (make_number (9), Qnil); | |
35027d0c KH |
4861 | ASET (val, 0, AREF (font_object, FONT_NAME_INDEX)); |
4862 | ASET (val, 1, AREF (font_object, FONT_FILE_INDEX)); | |
c2f5bfd6 | 4863 | ASET (val, 2, make_number (font->pixel_size)); |
35027d0c | 4864 | ASET (val, 3, make_number (font->max_width)); |
c2f5bfd6 KH |
4865 | ASET (val, 4, make_number (font->ascent)); |
4866 | ASET (val, 5, make_number (font->descent)); | |
35027d0c KH |
4867 | ASET (val, 6, make_number (font->space_width)); |
4868 | ASET (val, 7, make_number (font->average_width)); | |
c2f5bfd6 | 4869 | if (font->driver->otf_capability) |
e0708580 | 4870 | ASET (val, 8, Fcons (Qopentype, font->driver->otf_capability (font))); |
c2f5bfd6 KH |
4871 | return val; |
4872 | } | |
4873 | ||
4874 | DEFUN ("get-font-glyphs", Fget_font_glyphs, Sget_font_glyphs, 2, 2, 0, | |
4875 | doc: /* Return a vector of glyphs of FONT-OBJECT for drawing STRING. | |
4876 | Each element is a vector [GLYPH-CODE LBEARING RBEARING WIDTH ASCENT DESCENT]. */) | |
4877 | (font_object, string) | |
4878 | Lisp_Object font_object, string; | |
4879 | { | |
4880 | struct font *font; | |
4881 | int i, len; | |
4882 | Lisp_Object vec; | |
4883 | ||
4884 | CHECK_FONT_GET_OBJECT (font_object, font); | |
4885 | CHECK_STRING (string); | |
4886 | len = SCHARS (string); | |
4887 | vec = Fmake_vector (make_number (len), Qnil); | |
4888 | for (i = 0; i < len; i++) | |
4889 | { | |
4890 | Lisp_Object ch = Faref (string, make_number (i)); | |
4891 | Lisp_Object val; | |
4892 | int c = XINT (ch); | |
4893 | unsigned code; | |
2930d117 | 4894 | EMACS_INT cod; |
c2f5bfd6 KH |
4895 | struct font_metrics metrics; |
4896 | ||
2930d117 | 4897 | cod = code = font->driver->encode_char (font, c); |
c2f5bfd6 KH |
4898 | if (code == FONT_INVALID_CODE) |
4899 | continue; | |
4900 | val = Fmake_vector (make_number (6), Qnil); | |
2930d117 | 4901 | if (cod <= MOST_POSITIVE_FIXNUM) |
c2f5bfd6 KH |
4902 | ASET (val, 0, make_number (code)); |
4903 | else | |
4904 | ASET (val, 0, Fcons (make_number (code >> 16), | |
4905 | make_number (code & 0xFFFF))); | |
51c01100 | 4906 | font->driver->text_extents (font, &code, 1, &metrics); |
c2f5bfd6 KH |
4907 | ASET (val, 1, make_number (metrics.lbearing)); |
4908 | ASET (val, 2, make_number (metrics.rbearing)); | |
4909 | ASET (val, 3, make_number (metrics.width)); | |
4910 | ASET (val, 4, make_number (metrics.ascent)); | |
4911 | ASET (val, 5, make_number (metrics.descent)); | |
4912 | ASET (vec, i, val); | |
4913 | } | |
4914 | return vec; | |
4915 | } | |
4916 | ||
ec6fe57c | 4917 | DEFUN ("font-match-p", Ffont_match_p, Sfont_match_p, 2, 2, 0, |
67b5d7de | 4918 | doc: /* Return t if and only if font-spec SPEC matches with FONT. |
ec6fe57c KH |
4919 | FONT is a font-spec, font-entity, or font-object. */) |
4920 | (spec, font) | |
4921 | Lisp_Object spec, font; | |
4922 | { | |
4923 | CHECK_FONT_SPEC (spec); | |
35027d0c | 4924 | CHECK_FONT (font); |
ec6fe57c KH |
4925 | |
4926 | return (font_match_p (spec, font) ? Qt : Qnil); | |
4927 | } | |
4928 | ||
1701724c | 4929 | DEFUN ("font-at", Ffont_at, Sfont_at, 1, 3, 0, |
51c01100 | 4930 | doc: /* Return a font-object for displaying a character at POSITION. |
10d16101 KH |
4931 | Optional second arg WINDOW, if non-nil, is a window displaying |
4932 | the current buffer. It defaults to the currently selected window. */) | |
1701724c KH |
4933 | (position, window, string) |
4934 | Lisp_Object position, window, string; | |
10d16101 KH |
4935 | { |
4936 | struct window *w; | |
e3ee0340 | 4937 | EMACS_INT pos; |
10d16101 | 4938 | |
1701724c KH |
4939 | if (NILP (string)) |
4940 | { | |
4941 | CHECK_NUMBER_COERCE_MARKER (position); | |
4942 | pos = XINT (position); | |
4943 | if (pos < BEGV || pos >= ZV) | |
4944 | args_out_of_range_3 (position, make_number (BEGV), make_number (ZV)); | |
1701724c KH |
4945 | } |
4946 | else | |
4947 | { | |
1701724c KH |
4948 | CHECK_NUMBER (position); |
4949 | CHECK_STRING (string); | |
4950 | pos = XINT (position); | |
4951 | if (pos < 0 || pos >= SCHARS (string)) | |
4952 | args_out_of_range (string, position); | |
1701724c | 4953 | } |
10d16101 KH |
4954 | if (NILP (window)) |
4955 | window = selected_window; | |
4956 | CHECK_LIVE_WINDOW (window); | |
40fb53d6 | 4957 | w = XWINDOW (window); |
10d16101 | 4958 | |
40fb53d6 | 4959 | return font_at (-1, pos, NULL, w, string); |
10d16101 KH |
4960 | } |
4961 | ||
c2f5bfd6 KH |
4962 | #if 0 |
4963 | DEFUN ("draw-string", Fdraw_string, Sdraw_string, 2, 2, 0, | |
4964 | doc: /* Draw STRING by FONT-OBJECT on the top left corner of the current frame. | |
4965 | The value is a number of glyphs drawn. | |
4966 | Type C-l to recover what previously shown. */) | |
4967 | (font_object, string) | |
4968 | Lisp_Object font_object, string; | |
4969 | { | |
4970 | Lisp_Object frame = selected_frame; | |
4971 | FRAME_PTR f = XFRAME (frame); | |
4972 | struct font *font; | |
4973 | struct face *face; | |
4974 | int i, len, width; | |
4975 | unsigned *code; | |
4976 | ||
4977 | CHECK_FONT_GET_OBJECT (font_object, font); | |
4978 | CHECK_STRING (string); | |
4979 | len = SCHARS (string); | |
4980 | code = alloca (sizeof (unsigned) * len); | |
4981 | for (i = 0; i < len; i++) | |
4982 | { | |
4983 | Lisp_Object ch = Faref (string, make_number (i)); | |
4984 | Lisp_Object val; | |
4985 | int c = XINT (ch); | |
4986 | ||
4987 | code[i] = font->driver->encode_char (font, c); | |
4988 | if (code[i] == FONT_INVALID_CODE) | |
4989 | break; | |
4990 | } | |
4991 | face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
4992 | face->fontp = font; | |
4993 | if (font->driver->prepare_face) | |
4994 | font->driver->prepare_face (f, face); | |
4995 | width = font->driver->text_extents (font, code, i, NULL); | |
4996 | len = font->driver->draw_text (f, face, 0, font->ascent, code, i, width); | |
4997 | if (font->driver->done_face) | |
4998 | font->driver->done_face (f, face); | |
4999 | face->fontp = NULL; | |
5000 | return make_number (len); | |
5001 | } | |
5002 | #endif | |
5003 | ||
5004 | #endif /* FONT_DEBUG */ | |
5005 | ||
a266686a KH |
5006 | #ifdef HAVE_WINDOW_SYSTEM |
5007 | ||
72606e45 KH |
5008 | DEFUN ("font-info", Ffont_info, Sfont_info, 1, 2, 0, |
5009 | doc: /* Return information about a font named NAME on frame FRAME. | |
5010 | If FRAME is omitted or nil, use the selected frame. | |
06f19b91 | 5011 | The returned value is a vector of OPENED-NAME, FULL-NAME, SIZE, |
72606e45 KH |
5012 | HEIGHT, BASELINE-OFFSET, RELATIVE-COMPOSE, and DEFAULT-ASCENT, |
5013 | where | |
5014 | OPENED-NAME is the name used for opening the font, | |
5015 | FULL-NAME is the full name of the font, | |
06f19b91 KH |
5016 | SIZE is the pixelsize of the font, |
5017 | HEIGHT is the pixel-height of the font (i.e ascent + descent), | |
72606e45 KH |
5018 | BASELINE-OFFSET is the upward offset pixels from ASCII baseline, |
5019 | RELATIVE-COMPOSE and DEFAULT-ASCENT are the numbers controlling | |
5020 | how to compose characters. | |
5021 | If the named font is not yet loaded, return nil. */) | |
5022 | (name, frame) | |
5023 | Lisp_Object name, frame; | |
5024 | { | |
5025 | FRAME_PTR f; | |
5026 | struct font *font; | |
5027 | Lisp_Object info; | |
5028 | Lisp_Object font_object; | |
5029 | ||
5030 | (*check_window_system_func) (); | |
5031 | ||
5032 | if (! FONTP (name)) | |
5033 | CHECK_STRING (name); | |
5034 | if (NILP (frame)) | |
5035 | frame = selected_frame; | |
5036 | CHECK_LIVE_FRAME (frame); | |
5037 | f = XFRAME (frame); | |
5038 | ||
5039 | if (STRINGP (name)) | |
5040 | { | |
5041 | int fontset = fs_query_fontset (name, 0); | |
5042 | ||
5043 | if (fontset >= 0) | |
5044 | name = fontset_ascii (fontset); | |
5045 | font_object = font_open_by_name (f, (char *) SDATA (name)); | |
5046 | } | |
5047 | else if (FONT_OBJECT_P (name)) | |
5048 | font_object = name; | |
5049 | else if (FONT_ENTITY_P (name)) | |
5050 | font_object = font_open_entity (f, name, 0); | |
5051 | else | |
5052 | { | |
5053 | struct face *face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
5054 | Lisp_Object entity = font_matching_entity (f, face->lface, name); | |
5055 | ||
5056 | font_object = ! NILP (entity) ? font_open_entity (f, entity, 0) : Qnil; | |
5057 | } | |
5058 | if (NILP (font_object)) | |
5059 | return Qnil; | |
5060 | font = XFONT_OBJECT (font_object); | |
5061 | ||
5062 | info = Fmake_vector (make_number (7), Qnil); | |
5063 | XVECTOR (info)->contents[0] = AREF (font_object, FONT_NAME_INDEX); | |
06f19b91 | 5064 | XVECTOR (info)->contents[1] = AREF (font_object, FONT_FULLNAME_INDEX); |
72606e45 KH |
5065 | XVECTOR (info)->contents[2] = make_number (font->pixel_size); |
5066 | XVECTOR (info)->contents[3] = make_number (font->height); | |
5067 | XVECTOR (info)->contents[4] = make_number (font->baseline_offset); | |
5068 | XVECTOR (info)->contents[5] = make_number (font->relative_compose); | |
5069 | XVECTOR (info)->contents[6] = make_number (font->default_ascent); | |
5070 | ||
5071 | #if 0 | |
5072 | /* As font_object is still in FONT_OBJLIST of the entity, we can't | |
5073 | close it now. Perhaps, we should manage font-objects | |
5074 | by `reference-count'. */ | |
5075 | font_close_object (f, font_object); | |
5076 | #endif | |
5077 | return info; | |
5078 | } | |
a266686a | 5079 | #endif |
72606e45 | 5080 | |
c2f5bfd6 | 5081 | \f |
d0ab1ebe KH |
5082 | #define BUILD_STYLE_TABLE(TBL) \ |
5083 | build_style_table ((TBL), sizeof TBL / sizeof (struct table_entry)) | |
5084 | ||
5085 | static Lisp_Object | |
5086 | build_style_table (entry, nelement) | |
5087 | struct table_entry *entry; | |
5088 | int nelement; | |
5089 | { | |
5090 | int i, j; | |
5091 | Lisp_Object table, elt; | |
17ab8f5d | 5092 | |
d0ab1ebe KH |
5093 | table = Fmake_vector (make_number (nelement), Qnil); |
5094 | for (i = 0; i < nelement; i++) | |
5095 | { | |
5096 | for (j = 0; entry[i].names[j]; j++); | |
5097 | elt = Fmake_vector (make_number (j + 1), Qnil); | |
5098 | ASET (elt, 0, make_number (entry[i].numeric)); | |
5099 | for (j = 0; entry[i].names[j]; j++) | |
d67b4f80 | 5100 | ASET (elt, j + 1, intern_c_string (entry[i].names[j])); |
d0ab1ebe KH |
5101 | ASET (table, i, elt); |
5102 | } | |
5103 | return table; | |
5104 | } | |
5105 | ||
652b9560 | 5106 | Lisp_Object Vfont_log; |
d0ab1ebe | 5107 | |
d0818984 KH |
5108 | /* The deferred font-log data of the form [ACTION ARG RESULT]. |
5109 | If ACTION is not nil, that is added to the log when font_add_log is | |
5110 | called next time. At that time, ACTION is set back to nil. */ | |
5111 | static Lisp_Object Vfont_log_deferred; | |
5112 | ||
5113 | /* Prepend the font-related logging data in Vfont_log if it is not | |
5114 | `t'. ACTION describes a kind of font-related action (e.g. listing, | |
5115 | opening), ARG is the argument for the action, and RESULT is the | |
5116 | result of the action. */ | |
d0ab1ebe KH |
5117 | void |
5118 | font_add_log (action, arg, result) | |
5119 | char *action; | |
5120 | Lisp_Object arg, result; | |
5121 | { | |
5122 | Lisp_Object tail, val; | |
5123 | int i; | |
5124 | ||
d0ab1ebe KH |
5125 | if (EQ (Vfont_log, Qt)) |
5126 | return; | |
d0818984 KH |
5127 | if (STRINGP (AREF (Vfont_log_deferred, 0))) |
5128 | { | |
071132a9 | 5129 | char *str = (char *) SDATA (AREF (Vfont_log_deferred, 0)); |
d0818984 KH |
5130 | |
5131 | ASET (Vfont_log_deferred, 0, Qnil); | |
5132 | font_add_log (str, AREF (Vfont_log_deferred, 1), | |
5133 | AREF (Vfont_log_deferred, 2)); | |
5134 | } | |
5135 | ||
d0ab1ebe | 5136 | if (FONTP (arg)) |
db716644 KH |
5137 | { |
5138 | Lisp_Object tail, elt; | |
5139 | Lisp_Object equalstr = build_string ("="); | |
5140 | ||
5141 | val = Ffont_xlfd_name (arg, Qt); | |
5142 | for (tail = AREF (arg, FONT_EXTRA_INDEX); CONSP (tail); | |
5143 | tail = XCDR (tail)) | |
5144 | { | |
5145 | elt = XCAR (tail); | |
49f9c344 KH |
5146 | if (EQ (XCAR (elt), QCscript) |
5147 | && SYMBOLP (XCDR (elt))) | |
db716644 KH |
5148 | val = concat3 (val, SYMBOL_NAME (QCscript), |
5149 | concat2 (equalstr, SYMBOL_NAME (XCDR (elt)))); | |
49f9c344 KH |
5150 | else if (EQ (XCAR (elt), QClang) |
5151 | && SYMBOLP (XCDR (elt))) | |
db716644 KH |
5152 | val = concat3 (val, SYMBOL_NAME (QClang), |
5153 | concat2 (equalstr, SYMBOL_NAME (XCDR (elt)))); | |
49f9c344 KH |
5154 | else if (EQ (XCAR (elt), QCotf) |
5155 | && CONSP (XCDR (elt)) && SYMBOLP (XCAR (XCDR (elt)))) | |
db716644 KH |
5156 | val = concat3 (val, SYMBOL_NAME (QCotf), |
5157 | concat2 (equalstr, | |
5158 | SYMBOL_NAME (XCAR (XCDR (elt))))); | |
5159 | } | |
5160 | arg = val; | |
5161 | } | |
72d36834 KH |
5162 | |
5163 | if (CONSP (result) | |
5164 | && VECTORP (XCAR (result)) | |
5165 | && ASIZE (XCAR (result)) > 0 | |
5166 | && FONTP (AREF (XCAR (result), 0))) | |
5167 | result = font_vconcat_entity_vectors (result); | |
d0ab1ebe | 5168 | if (FONTP (result)) |
d26424c5 KH |
5169 | { |
5170 | val = Ffont_xlfd_name (result, Qt); | |
5171 | if (! FONT_SPEC_P (result)) | |
5172 | val = concat3 (SYMBOL_NAME (AREF (result, FONT_TYPE_INDEX)), | |
5173 | build_string (":"), val); | |
5174 | result = val; | |
5175 | } | |
d0ab1ebe KH |
5176 | else if (CONSP (result)) |
5177 | { | |
5178 | result = Fcopy_sequence (result); | |
5179 | for (tail = result; CONSP (tail); tail = XCDR (tail)) | |
5180 | { | |
5181 | val = XCAR (tail); | |
5182 | if (FONTP (val)) | |
5183 | val = Ffont_xlfd_name (val, Qt); | |
5184 | XSETCAR (tail, val); | |
5185 | } | |
5186 | } | |
5187 | else if (VECTORP (result)) | |
5188 | { | |
5189 | result = Fcopy_sequence (result); | |
5190 | for (i = 0; i < ASIZE (result); i++) | |
5191 | { | |
5192 | val = AREF (result, i); | |
5193 | if (FONTP (val)) | |
5194 | val = Ffont_xlfd_name (val, Qt); | |
5195 | ASET (result, i, val); | |
5196 | } | |
5197 | } | |
5198 | Vfont_log = Fcons (list3 (intern (action), arg, result), Vfont_log); | |
5199 | } | |
5200 | ||
d0818984 KH |
5201 | /* Record a font-related logging data to be added to Vfont_log when |
5202 | font_add_log is called next time. ACTION, ARG, RESULT are the same | |
5203 | as font_add_log. */ | |
5204 | ||
5205 | void | |
5206 | font_deferred_log (action, arg, result) | |
5207 | char *action; | |
5208 | Lisp_Object arg, result; | |
5209 | { | |
652b9560 KH |
5210 | if (EQ (Vfont_log, Qt)) |
5211 | return; | |
d0818984 KH |
5212 | ASET (Vfont_log_deferred, 0, build_string (action)); |
5213 | ASET (Vfont_log_deferred, 1, arg); | |
5214 | ASET (Vfont_log_deferred, 2, result); | |
ba3de0e8 | 5215 | } |
d0818984 | 5216 | |
c2f5bfd6 KH |
5217 | extern void syms_of_ftfont P_ (()); |
5218 | extern void syms_of_xfont P_ (()); | |
5219 | extern void syms_of_xftfont P_ (()); | |
5220 | extern void syms_of_ftxfont P_ (()); | |
5221 | extern void syms_of_bdffont P_ (()); | |
5222 | extern void syms_of_w32font P_ (()); | |
5223 | extern void syms_of_atmfont P_ (()); | |
edfda783 | 5224 | extern void syms_of_nsfont P_ (()); |
c2f5bfd6 KH |
5225 | |
5226 | void | |
5227 | syms_of_font () | |
5228 | { | |
4007dd1c KH |
5229 | sort_shift_bits[FONT_TYPE_INDEX] = 0; |
5230 | sort_shift_bits[FONT_SLANT_INDEX] = 2; | |
5231 | sort_shift_bits[FONT_WEIGHT_INDEX] = 9; | |
5232 | sort_shift_bits[FONT_SIZE_INDEX] = 16; | |
5233 | sort_shift_bits[FONT_WIDTH_INDEX] = 23; | |
5234 | /* Note that the other elements in sort_shift_bits are not used. */ | |
c2f5bfd6 | 5235 | |
1701724c KH |
5236 | staticpro (&font_charset_alist); |
5237 | font_charset_alist = Qnil; | |
5238 | ||
e0708580 | 5239 | DEFSYM (Qopentype, "opentype"); |
c2f5bfd6 | 5240 | |
9e1bb909 | 5241 | DEFSYM (Qascii_0, "ascii-0"); |
1bb1d99b KH |
5242 | DEFSYM (Qiso8859_1, "iso8859-1"); |
5243 | DEFSYM (Qiso10646_1, "iso10646-1"); | |
5244 | DEFSYM (Qunicode_bmp, "unicode-bmp"); | |
cf96c5c2 | 5245 | DEFSYM (Qunicode_sip, "unicode-sip"); |
1bb1d99b | 5246 | |
071132a9 KH |
5247 | DEFSYM (QCf, "Cf"); |
5248 | ||
c2f5bfd6 | 5249 | DEFSYM (QCotf, ":otf"); |
35027d0c | 5250 | DEFSYM (QClang, ":lang"); |
c2f5bfd6 | 5251 | DEFSYM (QCscript, ":script"); |
4c496d0d | 5252 | DEFSYM (QCantialias, ":antialias"); |
c2f5bfd6 KH |
5253 | |
5254 | DEFSYM (QCfoundry, ":foundry"); | |
5255 | DEFSYM (QCadstyle, ":adstyle"); | |
5256 | DEFSYM (QCregistry, ":registry"); | |
9331887d KH |
5257 | DEFSYM (QCspacing, ":spacing"); |
5258 | DEFSYM (QCdpi, ":dpi"); | |
ec6fe57c | 5259 | DEFSYM (QCscalable, ":scalable"); |
35027d0c KH |
5260 | DEFSYM (QCavgwidth, ":avgwidth"); |
5261 | DEFSYM (QCfont_entity, ":font-entity"); | |
5262 | DEFSYM (QCfc_unknown_spec, ":fc-unknown-spec"); | |
c2f5bfd6 | 5263 | |
ec6fe57c KH |
5264 | DEFSYM (Qc, "c"); |
5265 | DEFSYM (Qm, "m"); | |
5266 | DEFSYM (Qp, "p"); | |
5267 | DEFSYM (Qd, "d"); | |
5268 | ||
cf702558 CY |
5269 | DEFSYM (Qja, "ja"); |
5270 | DEFSYM (Qko, "ko"); | |
5271 | ||
c2f5bfd6 KH |
5272 | staticpro (&null_vector); |
5273 | null_vector = Fmake_vector (make_number (0), Qnil); | |
5274 | ||
5275 | staticpro (&scratch_font_spec); | |
5276 | scratch_font_spec = Ffont_spec (0, NULL); | |
5277 | staticpro (&scratch_font_prefer); | |
5278 | scratch_font_prefer = Ffont_spec (0, NULL); | |
5279 | ||
d0818984 KH |
5280 | staticpro (&Vfont_log_deferred); |
5281 | Vfont_log_deferred = Fmake_vector (make_number (3), Qnil); | |
5282 | ||
6a3dadd2 | 5283 | #if 0 |
733fd013 KH |
5284 | #ifdef HAVE_LIBOTF |
5285 | staticpro (&otf_list); | |
5286 | otf_list = Qnil; | |
6a3dadd2 KH |
5287 | #endif /* HAVE_LIBOTF */ |
5288 | #endif /* 0 */ | |
733fd013 | 5289 | |
c2f5bfd6 KH |
5290 | defsubr (&Sfontp); |
5291 | defsubr (&Sfont_spec); | |
5292 | defsubr (&Sfont_get); | |
51cf11be | 5293 | #ifdef HAVE_WINDOW_SYSTEM |
b1868a1a | 5294 | defsubr (&Sfont_face_attributes); |
51cf11be | 5295 | #endif |
c2f5bfd6 KH |
5296 | defsubr (&Sfont_put); |
5297 | defsubr (&Slist_fonts); | |
35027d0c | 5298 | defsubr (&Sfont_family_list); |
c2f5bfd6 KH |
5299 | defsubr (&Sfind_font); |
5300 | defsubr (&Sfont_xlfd_name); | |
5301 | defsubr (&Sclear_font_cache); | |
071132a9 | 5302 | defsubr (&Sfont_shape_gstring); |
78a2f9cd | 5303 | defsubr (&Sfont_variation_glyphs); |
6a3dadd2 | 5304 | #if 0 |
733fd013 | 5305 | defsubr (&Sfont_drive_otf); |
e80e09b4 | 5306 | defsubr (&Sfont_otf_alternates); |
6a3dadd2 | 5307 | #endif /* 0 */ |
c2f5bfd6 KH |
5308 | |
5309 | #ifdef FONT_DEBUG | |
5310 | defsubr (&Sopen_font); | |
5311 | defsubr (&Sclose_font); | |
5312 | defsubr (&Squery_font); | |
5313 | defsubr (&Sget_font_glyphs); | |
ec6fe57c | 5314 | defsubr (&Sfont_match_p); |
10d16101 | 5315 | defsubr (&Sfont_at); |
c2f5bfd6 KH |
5316 | #if 0 |
5317 | defsubr (&Sdraw_string); | |
5318 | #endif | |
5319 | #endif /* FONT_DEBUG */ | |
a266686a | 5320 | #ifdef HAVE_WINDOW_SYSTEM |
72606e45 | 5321 | defsubr (&Sfont_info); |
a266686a | 5322 | #endif |
c2f5bfd6 | 5323 | |
819e81df KH |
5324 | DEFVAR_LISP ("font-encoding-alist", &Vfont_encoding_alist, |
5325 | doc: /* | |
5326 | Alist of fontname patterns vs the corresponding encoding and repertory info. | |
5327 | Each element looks like (REGEXP . (ENCODING . REPERTORY)), | |
5328 | where ENCODING is a charset or a char-table, | |
5329 | and REPERTORY is a charset, a char-table, or nil. | |
5330 | ||
027a33c0 | 5331 | If ENCODING and REPERTORY are the same, the element can have the form |
819e81df KH |
5332 | \(REGEXP . ENCODING). |
5333 | ||
5334 | ENCODING is for converting a character to a glyph code of the font. | |
5335 | If ENCODING is a charset, encoding a character by the charset gives | |
5336 | the corresponding glyph code. If ENCODING is a char-table, looking up | |
5337 | the table by a character gives the corresponding glyph code. | |
5338 | ||
5339 | REPERTORY specifies a repertory of characters supported by the font. | |
5340 | If REPERTORY is a charset, all characters beloging to the charset are | |
5341 | supported. If REPERTORY is a char-table, all characters who have a | |
027a33c0 | 5342 | non-nil value in the table are supported. If REPERTORY is nil, Emacs |
819e81df KH |
5343 | gets the repertory information by an opened font and ENCODING. */); |
5344 | Vfont_encoding_alist = Qnil; | |
5345 | ||
d0ab1ebe KH |
5346 | DEFVAR_LISP_NOPRO ("font-weight-table", &Vfont_weight_table, |
5347 | doc: /* Vector of valid font weight values. | |
5348 | Each element has the form: | |
5349 | [NUMERIC-VALUE SYMBOLIC-NAME ALIAS-NAME ...] | |
17ab8f5d | 5350 | NUMERIC-VALUE is an integer, and SYMBOLIC-NAME and ALIAS-NAME are symbols. */); |
d0ab1ebe KH |
5351 | Vfont_weight_table = BUILD_STYLE_TABLE (weight_table); |
5352 | ||
5353 | DEFVAR_LISP_NOPRO ("font-slant-table", &Vfont_slant_table, | |
5354 | doc: /* Vector of font slant symbols vs the corresponding numeric values. | |
17ab8f5d | 5355 | See `font-weight-table' for the format of the vector. */); |
d0ab1ebe KH |
5356 | Vfont_slant_table = BUILD_STYLE_TABLE (slant_table); |
5357 | ||
5358 | DEFVAR_LISP_NOPRO ("font-width-table", &Vfont_width_table, | |
5359 | doc: /* Alist of font width symbols vs the corresponding numeric values. | |
17ab8f5d | 5360 | See `font-weight-table' for the format of the vector. */); |
d0ab1ebe KH |
5361 | Vfont_width_table = BUILD_STYLE_TABLE (width_table); |
5362 | ||
5363 | staticpro (&font_style_table); | |
5364 | font_style_table = Fmake_vector (make_number (3), Qnil); | |
5365 | ASET (font_style_table, 0, Vfont_weight_table); | |
5366 | ASET (font_style_table, 1, Vfont_slant_table); | |
5367 | ASET (font_style_table, 2, Vfont_width_table); | |
5368 | ||
5369 | DEFVAR_LISP ("font-log", &Vfont_log, doc: /* | |
5370 | *Logging list of font related actions and results. | |
5371 | The value t means to suppress the logging. | |
5372 | The initial value is set to nil if the environment variable | |
5373 | EMACS_FONT_LOG is set. Otherwise, it is set to t. */); | |
5374 | Vfont_log = Qnil; | |
5375 | ||
819e81df | 5376 | #ifdef HAVE_WINDOW_SYSTEM |
c2f5bfd6 | 5377 | #ifdef HAVE_FREETYPE |
35027d0c | 5378 | syms_of_ftfont (); |
c2f5bfd6 | 5379 | #ifdef HAVE_X_WINDOWS |
35027d0c KH |
5380 | syms_of_xfont (); |
5381 | syms_of_ftxfont (); | |
c2f5bfd6 | 5382 | #ifdef HAVE_XFT |
35027d0c | 5383 | syms_of_xftfont (); |
c2f5bfd6 KH |
5384 | #endif /* HAVE_XFT */ |
5385 | #endif /* HAVE_X_WINDOWS */ | |
5386 | #else /* not HAVE_FREETYPE */ | |
5387 | #ifdef HAVE_X_WINDOWS | |
35027d0c | 5388 | syms_of_xfont (); |
c2f5bfd6 KH |
5389 | #endif /* HAVE_X_WINDOWS */ |
5390 | #endif /* not HAVE_FREETYPE */ | |
5391 | #ifdef HAVE_BDFFONT | |
35027d0c | 5392 | syms_of_bdffont (); |
c2f5bfd6 KH |
5393 | #endif /* HAVE_BDFFONT */ |
5394 | #ifdef WINDOWSNT | |
35027d0c | 5395 | syms_of_w32font (); |
c2f5bfd6 | 5396 | #endif /* WINDOWSNT */ |
edfda783 AR |
5397 | #ifdef HAVE_NS |
5398 | syms_of_nsfont (); | |
5399 | #endif /* HAVE_NS */ | |
819e81df | 5400 | #endif /* HAVE_WINDOW_SYSTEM */ |
c2f5bfd6 | 5401 | } |
885b7d09 | 5402 | |
652b9560 KH |
5403 | void |
5404 | init_font () | |
5405 | { | |
5406 | Vfont_log = egetenv ("EMACS_FONT_LOG") ? Qnil : Qt; | |
5407 | } | |
5408 | ||
885b7d09 MB |
5409 | /* arch-tag: 74c9475d-5976-4c93-a327-942ae3072846 |
5410 | (do not change this comment) */ |