Commit | Line | Data |
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c2f5bfd6 | 1 | /* font.c -- "Font" primitives. |
e9bffc61 | 2 | |
ba318903 | 3 | Copyright (C) 2006-2014 Free Software Foundation, Inc. |
95df8112 GM |
4 | Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 |
5 | National Institute of Advanced Industrial Science and Technology (AIST) | |
6 | Registration Number H13PRO009 | |
c2f5bfd6 KH |
7 | |
8 | This file is part of GNU Emacs. | |
9 | ||
9ec0b715 | 10 | GNU Emacs is free software: you can redistribute it and/or modify |
c2f5bfd6 | 11 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
12 | the Free Software Foundation, either version 3 of the License, or |
13 | (at your option) any later version. | |
c2f5bfd6 KH |
14 | |
15 | GNU Emacs is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 21 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
c2f5bfd6 KH |
22 | |
23 | #include <config.h> | |
6e1a67fb | 24 | #include <float.h> |
c2f5bfd6 | 25 | #include <stdio.h> |
c2f5bfd6 | 26 | |
620f13b0 PE |
27 | #include <c-ctype.h> |
28 | ||
c2f5bfd6 | 29 | #include "lisp.h" |
e5560ff7 | 30 | #include "character.h" |
c2f5bfd6 KH |
31 | #include "buffer.h" |
32 | #include "frame.h" | |
10d16101 | 33 | #include "window.h" |
c2f5bfd6 KH |
34 | #include "dispextern.h" |
35 | #include "charset.h" | |
c2f5bfd6 KH |
36 | #include "composite.h" |
37 | #include "fontset.h" | |
38 | #include "font.h" | |
39 | ||
17a2cbbd DC |
40 | #ifdef HAVE_WINDOW_SYSTEM |
41 | #include TERM_HEADER | |
42 | #endif /* HAVE_WINDOW_SYSTEM */ | |
edfda783 | 43 | |
7990b61a | 44 | Lisp_Object Qopentype; |
e0708580 | 45 | |
35027d0c | 46 | /* Important character set strings. */ |
9e1bb909 | 47 | Lisp_Object Qascii_0, Qiso8859_1, Qiso10646_1, Qunicode_bmp, Qunicode_sip; |
1bb1d99b | 48 | |
edfda783 | 49 | #define DEFAULT_ENCODING Qiso8859_1 |
edfda783 | 50 | |
071132a9 KH |
51 | /* Unicode category `Cf'. */ |
52 | static Lisp_Object QCf; | |
53 | ||
d0ab1ebe | 54 | /* Vector of Vfont_weight_table, Vfont_slant_table, and Vfont_width_table. */ |
c2f5bfd6 KH |
55 | static Lisp_Object font_style_table; |
56 | ||
d0ab1ebe KH |
57 | /* Structure used for tables mapping weight, slant, and width numeric |
58 | values and their names. */ | |
59 | ||
60 | struct table_entry | |
61 | { | |
62 | int numeric; | |
63 | /* The first one is a valid name as a face attribute. | |
64 | The second one (if any) is a typical name in XLFD field. */ | |
5e2327cf | 65 | const char *names[5]; |
d0ab1ebe KH |
66 | }; |
67 | ||
68 | /* Table of weight numeric values and their names. This table must be | |
69 | sorted by numeric values in ascending order. */ | |
70 | ||
5e2327cf | 71 | static const struct table_entry weight_table[] = |
d0ab1ebe KH |
72 | { |
73 | { 0, { "thin" }}, | |
74 | { 20, { "ultra-light", "ultralight" }}, | |
75 | { 40, { "extra-light", "extralight" }}, | |
76 | { 50, { "light" }}, | |
77 | { 75, { "semi-light", "semilight", "demilight", "book" }}, | |
c2694a06 | 78 | { 100, { "normal", "medium", "regular", "unspecified" }}, |
d0ab1ebe KH |
79 | { 180, { "semi-bold", "semibold", "demibold", "demi" }}, |
80 | { 200, { "bold" }}, | |
81 | { 205, { "extra-bold", "extrabold" }}, | |
82 | { 210, { "ultra-bold", "ultrabold", "black" }} | |
83 | }; | |
84 | ||
85 | /* Table of slant 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 slant_table[] = |
d0ab1ebe KH |
89 | { |
90 | { 0, { "reverse-oblique", "ro" }}, | |
91 | { 10, { "reverse-italic", "ri" }}, | |
c2694a06 | 92 | { 100, { "normal", "r", "unspecified" }}, |
d0ab1ebe KH |
93 | { 200, { "italic" ,"i", "ot" }}, |
94 | { 210, { "oblique", "o" }} | |
95 | }; | |
96 | ||
97 | /* Table of width numeric values and their names. This table must be | |
98 | sorted by numeric values in ascending order. */ | |
99 | ||
5e2327cf | 100 | static const struct table_entry width_table[] = |
d0ab1ebe KH |
101 | { |
102 | { 50, { "ultra-condensed", "ultracondensed" }}, | |
103 | { 63, { "extra-condensed", "extracondensed" }}, | |
104 | { 75, { "condensed", "compressed", "narrow" }}, | |
105 | { 87, { "semi-condensed", "semicondensed", "demicondensed" }}, | |
c2694a06 | 106 | { 100, { "normal", "medium", "regular", "unspecified" }}, |
d0ab1ebe KH |
107 | { 113, { "semi-expanded", "semiexpanded", "demiexpanded" }}, |
108 | { 125, { "expanded" }}, | |
109 | { 150, { "extra-expanded", "extraexpanded" }}, | |
110 | { 200, { "ultra-expanded", "ultraexpanded", "wide" }} | |
111 | }; | |
112 | ||
2f7c71a1 AS |
113 | Lisp_Object QCfoundry; |
114 | static Lisp_Object QCadstyle, QCregistry; | |
c2f5bfd6 | 115 | /* Symbols representing keys of font extra info. */ |
35027d0c | 116 | Lisp_Object QCspacing, QCdpi, QCscalable, QCotf, QClang, QCscript, QCavgwidth; |
955cbe7b PE |
117 | Lisp_Object QCantialias, QCfont_entity; |
118 | static Lisp_Object QCfc_unknown_spec; | |
ec6fe57c | 119 | /* Symbols representing values of font spacing property. */ |
955cbe7b PE |
120 | static Lisp_Object Qc, Qm, Qd; |
121 | Lisp_Object Qp; | |
cf702558 CY |
122 | /* Special ADSTYLE properties to avoid fonts used for Latin |
123 | characters; used in xfont.c and ftfont.c. */ | |
124 | Lisp_Object Qja, Qko; | |
c2f5bfd6 | 125 | |
955cbe7b | 126 | static Lisp_Object QCuser_spec; |
42707278 | 127 | |
56dd2d86 | 128 | /* Alist of font registry symbols and the corresponding charset |
1701724c KH |
129 | information. The information is retrieved from |
130 | Vfont_encoding_alist on demand. | |
131 | ||
132 | Eash element has the form: | |
133 | (REGISTRY . (ENCODING-CHARSET-ID . REPERTORY-CHARSET-ID)) | |
134 | or | |
135 | (REGISTRY . nil) | |
136 | ||
137 | In the former form, ENCODING-CHARSET-ID is an ID of a charset that | |
138 | encodes a character code to a glyph code of a font, and | |
139 | REPERTORY-CHARSET-ID is an ID of a charset that tells if a | |
140 | character is supported by a font. | |
141 | ||
142 | The latter form means that the information for REGISTRY couldn't be | |
143 | retrieved. */ | |
144 | static Lisp_Object font_charset_alist; | |
145 | ||
f697fff0 KH |
146 | /* List of all font drivers. Each font-backend (XXXfont.c) calls |
147 | register_font_driver in syms_of_XXXfont to register its font-driver | |
c2f5bfd6 KH |
148 | here. */ |
149 | static struct font_driver_list *font_driver_list; | |
150 | ||
5ae356d9 DA |
151 | #ifdef ENABLE_CHECKING |
152 | ||
153 | /* Used to catch bogus pointers in font objects. */ | |
154 | ||
155 | bool | |
156 | valid_font_driver (struct font_driver *drv) | |
157 | { | |
158 | Lisp_Object tail, frame; | |
159 | struct font_driver_list *fdl; | |
160 | ||
161 | for (fdl = font_driver_list; fdl; fdl = fdl->next) | |
162 | if (fdl->driver == drv) | |
163 | return true; | |
164 | FOR_EACH_FRAME (tail, frame) | |
165 | for (fdl = XFRAME (frame)->font_driver_list; fdl; fdl = fdl->next) | |
166 | if (fdl->driver == drv) | |
167 | return true; | |
168 | return false; | |
169 | } | |
170 | ||
171 | #endif /* ENABLE_CHECKING */ | |
35027d0c | 172 | |
fe3c5669 | 173 | /* Creators of font-related Lisp object. */ |
35027d0c | 174 | |
2f7c71a1 | 175 | static Lisp_Object |
971de7fb | 176 | font_make_spec (void) |
35027d0c KH |
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 | |
971de7fb | 188 | font_make_entity (void) |
35027d0c KH |
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 |
971de7fb | 203 | font_make_object (int size, Lisp_Object entity, int pixelsize) |
35027d0c KH |
204 | { |
205 | Lisp_Object font_object; | |
206 | struct font *font | |
207 | = (struct font *) allocate_pseudovector (size, FONT_OBJECT_MAX, PVEC_FONT); | |
51c13510 KH |
208 | int i; |
209 | ||
52a6194f DA |
210 | /* GC can happen before the driver is set up, |
211 | so avoid dangling pointer here (Bug#17771). */ | |
212 | font->driver = NULL; | |
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 | ||
a10c8269 DA |
230 | static int font_pixel_size (struct frame *f, Lisp_Object); |
231 | static Lisp_Object font_open_entity (struct frame *, Lisp_Object, int); | |
232 | static Lisp_Object font_matching_entity (struct frame *, Lisp_Object *, | |
f57e2426 | 233 | Lisp_Object); |
2f7c71a1 | 234 | static unsigned font_encode_char (Lisp_Object, int); |
c2f5bfd6 KH |
235 | |
236 | /* Number of registered font drivers. */ | |
237 | static int num_font_drivers; | |
238 | ||
35027d0c KH |
239 | |
240 | /* Return a Lispy value of a font property value at STR and LEN bytes. | |
a864ef14 PE |
241 | If STR is "*", return nil. If FORCE_SYMBOL, or if STR does not |
242 | consist entirely of one or more digits, return a symbol interned | |
243 | from STR. Otherwise, return an integer. */ | |
35027d0c KH |
244 | |
245 | Lisp_Object | |
a864ef14 | 246 | font_intern_prop (const char *str, ptrdiff_t len, bool force_symbol) |
35027d0c | 247 | { |
ccd6111c | 248 | ptrdiff_t i; |
d0ab1ebe | 249 | Lisp_Object tem; |
35027d0c | 250 | Lisp_Object obarray; |
d311d28c | 251 | ptrdiff_t nbytes, nchars; |
35027d0c KH |
252 | |
253 | if (len == 1 && *str == '*') | |
254 | return Qnil; | |
7216e43b | 255 | if (!force_symbol && 0 < len && '0' <= *str && *str <= '9') |
35027d0c KH |
256 | { |
257 | for (i = 1; i < len; i++) | |
da3f12b2 | 258 | if (! ('0' <= str[i] && str[i] <= '9')) |
35027d0c KH |
259 | break; |
260 | if (i == len) | |
ccd6111c | 261 | { |
da3f12b2 PE |
262 | EMACS_INT n; |
263 | ||
264 | i = 0; | |
265 | for (n = 0; (n += str[i++] - '0') <= MOST_POSITIVE_FIXNUM; n *= 10) | |
266 | { | |
267 | if (i == len) | |
268 | return make_number (n); | |
7216e43b | 269 | if (MOST_POSITIVE_FIXNUM / 10 < n) |
da3f12b2 PE |
270 | break; |
271 | } | |
272 | ||
273 | xsignal1 (Qoverflow_error, make_string (str, len)); | |
ccd6111c | 274 | } |
35027d0c KH |
275 | } |
276 | ||
e8df9267 DA |
277 | /* This code is similar to intern function from lread.c. */ |
278 | obarray = check_obarray (Vobarray); | |
72d36834 | 279 | parse_str_as_multibyte ((unsigned char *) str, len, &nchars, &nbytes); |
e8df9267 DA |
280 | tem = oblookup (obarray, str, |
281 | (len == nchars || len != nbytes) ? len : nchars, len); | |
282 | ||
35027d0c KH |
283 | if (SYMBOLP (tem)) |
284 | return tem; | |
3e1fc7fb DA |
285 | tem = make_specified_string (str, nchars, len, |
286 | len != nchars && len == nbytes); | |
545312c2 | 287 | return Fintern (tem, obarray); |
35027d0c KH |
288 | } |
289 | ||
9331887d | 290 | /* Return a pixel size of font-spec SPEC on frame F. */ |
ec6fe57c | 291 | |
9331887d | 292 | static int |
a10c8269 | 293 | font_pixel_size (struct frame *f, Lisp_Object spec) |
9331887d | 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; |
4e6a86c6 | 305 | eassert (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 | 310 | else |
42143acd | 311 | dpi = FRAME_RES_Y (f); |
9331887d KH |
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 | |
56dd2d86 | 324 | font_style_table if VAL is a symbol, and return the closest index if |
35027d0c | 325 | VAL is an integer. */ |
c2f5bfd6 | 326 | |
35027d0c | 327 | int |
a864ef14 PE |
328 | font_style_to_value (enum font_property_index prop, Lisp_Object val, |
329 | bool noerror) | |
c2f5bfd6 | 330 | { |
35027d0c | 331 | Lisp_Object table = AREF (font_style_table, prop - FONT_WEIGHT_INDEX); |
c5e4379c AS |
332 | int len; |
333 | ||
334 | CHECK_VECTOR (table); | |
335 | len = ASIZE (table); | |
c2f5bfd6 | 336 | |
35027d0c | 337 | if (SYMBOLP (val)) |
c2f5bfd6 | 338 | { |
13a547c6 | 339 | int i, j; |
25a48bd0 | 340 | char *s; |
35027d0c KH |
341 | Lisp_Object args[2], elt; |
342 | ||
343 | /* At first try exact match. */ | |
344 | for (i = 0; i < len; i++) | |
c5e4379c AS |
345 | { |
346 | CHECK_VECTOR (AREF (table, i)); | |
347 | for (j = 1; j < ASIZE (AREF (table, i)); j++) | |
348 | if (EQ (val, AREF (AREF (table, i), j))) | |
349 | { | |
350 | CHECK_NUMBER (AREF (AREF (table, i), 0)); | |
351 | return ((XINT (AREF (AREF (table, i), 0)) << 8) | |
352 | | (i << 4) | (j - 1)); | |
353 | } | |
354 | } | |
35027d0c | 355 | /* Try also with case-folding match. */ |
25a48bd0 | 356 | s = SSDATA (SYMBOL_NAME (val)); |
35027d0c | 357 | for (i = 0; i < len; i++) |
d0ab1ebe KH |
358 | for (j = 1; j < ASIZE (AREF (table, i)); j++) |
359 | { | |
360 | elt = AREF (AREF (table, i), j); | |
25a48bd0 | 361 | if (xstrcasecmp (s, SSDATA (SYMBOL_NAME (elt))) == 0) |
c5e4379c AS |
362 | { |
363 | CHECK_NUMBER (AREF (AREF (table, i), 0)); | |
364 | return ((XINT (AREF (AREF (table, i), 0)) << 8) | |
365 | | (i << 4) | (j - 1)); | |
366 | } | |
d0ab1ebe | 367 | } |
35027d0c KH |
368 | if (! noerror) |
369 | return -1; | |
4e6a86c6 | 370 | eassert (len < 255); |
c2694a06 | 371 | elt = Fmake_vector (make_number (2), make_number (100)); |
d0ab1ebe | 372 | ASET (elt, 1, val); |
35027d0c | 373 | args[0] = table; |
d0ab1ebe | 374 | args[1] = Fmake_vector (make_number (1), elt); |
35027d0c | 375 | ASET (font_style_table, prop - FONT_WEIGHT_INDEX, Fvconcat (2, args)); |
c2694a06 | 376 | return (100 << 8) | (i << 4); |
c2f5bfd6 | 377 | } |
35027d0c KH |
378 | else |
379 | { | |
d0ab1ebe | 380 | int i, last_n; |
d311d28c | 381 | EMACS_INT numeric = XINT (val); |
c2f5bfd6 | 382 | |
d0ab1ebe | 383 | for (i = 0, last_n = -1; i < len; i++) |
35027d0c | 384 | { |
c5e4379c | 385 | int n; |
c2f5bfd6 | 386 | |
c5e4379c AS |
387 | CHECK_VECTOR (AREF (table, i)); |
388 | CHECK_NUMBER (AREF (AREF (table, i), 0)); | |
389 | n = XINT (AREF (AREF (table, i), 0)); | |
35027d0c | 390 | if (numeric == n) |
d0ab1ebe | 391 | return (n << 8) | (i << 4); |
35027d0c KH |
392 | if (numeric < n) |
393 | { | |
394 | if (! noerror) | |
395 | return -1; | |
d0ab1ebe KH |
396 | return ((i == 0 || n - numeric < numeric - last_n) |
397 | ? (n << 8) | (i << 4): (last_n << 8 | ((i - 1) << 4))); | |
35027d0c | 398 | } |
35027d0c | 399 | last_n = n; |
35027d0c KH |
400 | } |
401 | if (! noerror) | |
402 | return -1; | |
d0ab1ebe | 403 | return ((last_n << 8) | ((i - 1) << 4)); |
35027d0c KH |
404 | } |
405 | } | |
c2f5bfd6 KH |
406 | |
407 | Lisp_Object | |
a864ef14 PE |
408 | font_style_symbolic (Lisp_Object font, enum font_property_index prop, |
409 | bool for_face) | |
c2f5bfd6 | 410 | { |
3ef8c1b4 | 411 | Lisp_Object val = AREF (font, prop); |
d0ab1ebe KH |
412 | Lisp_Object table, elt; |
413 | int i; | |
c2f5bfd6 | 414 | |
35027d0c KH |
415 | if (NILP (val)) |
416 | return Qnil; | |
417 | table = AREF (font_style_table, prop - FONT_WEIGHT_INDEX); | |
c5e4379c | 418 | CHECK_VECTOR (table); |
d0ab1ebe | 419 | i = XINT (val) & 0xFF; |
4e6a86c6 | 420 | eassert (((i >> 4) & 0xF) < ASIZE (table)); |
d0ab1ebe | 421 | elt = AREF (table, ((i >> 4) & 0xF)); |
c5e4379c | 422 | CHECK_VECTOR (elt); |
4e6a86c6 | 423 | eassert ((i & 0xF) + 1 < ASIZE (elt)); |
c5e4379c AS |
424 | elt = (for_face ? AREF (elt, 1) : AREF (elt, (i & 0xF) + 1)); |
425 | CHECK_SYMBOL (elt); | |
426 | return elt; | |
6fe9826d JR |
427 | } |
428 | ||
819e81df KH |
429 | /* Return ENCODING or a cons of ENCODING and REPERTORY of the font |
430 | FONTNAME. ENCODING is a charset symbol that specifies the encoding | |
431 | of the font. REPERTORY is a charset symbol or nil. */ | |
432 | ||
433 | Lisp_Object | |
971de7fb | 434 | find_font_encoding (Lisp_Object fontname) |
819e81df KH |
435 | { |
436 | Lisp_Object tail, elt; | |
437 | ||
438 | for (tail = Vfont_encoding_alist; CONSP (tail); tail = XCDR (tail)) | |
439 | { | |
440 | elt = XCAR (tail); | |
441 | if (CONSP (elt) | |
442 | && STRINGP (XCAR (elt)) | |
443 | && fast_string_match_ignore_case (XCAR (elt), fontname) >= 0 | |
444 | && (SYMBOLP (XCDR (elt)) | |
445 | ? CHARSETP (XCDR (elt)) | |
446 | : CONSP (XCDR (elt)) && CHARSETP (XCAR (XCDR (elt))))) | |
447 | return (XCDR (elt)); | |
448 | } | |
182ba28c | 449 | return Qnil; |
819e81df KH |
450 | } |
451 | ||
1701724c KH |
452 | /* Return encoding charset and repertory charset for REGISTRY in |
453 | ENCODING and REPERTORY correspondingly. If correct information for | |
454 | REGISTRY is available, return 0. Otherwise return -1. */ | |
455 | ||
456 | int | |
971de7fb | 457 | font_registry_charsets (Lisp_Object registry, struct charset **encoding, struct charset **repertory) |
1701724c KH |
458 | { |
459 | Lisp_Object val; | |
460 | int encoding_id, repertory_id; | |
461 | ||
35027d0c | 462 | val = Fassoc_string (registry, font_charset_alist, Qt); |
1701724c KH |
463 | if (! NILP (val)) |
464 | { | |
465 | val = XCDR (val); | |
466 | if (NILP (val)) | |
467 | return -1; | |
468 | encoding_id = XINT (XCAR (val)); | |
469 | repertory_id = XINT (XCDR (val)); | |
470 | } | |
471 | else | |
472 | { | |
473 | val = find_font_encoding (SYMBOL_NAME (registry)); | |
474 | if (SYMBOLP (val) && CHARSETP (val)) | |
475 | { | |
476 | encoding_id = repertory_id = XINT (CHARSET_SYMBOL_ID (val)); | |
477 | } | |
478 | else if (CONSP (val)) | |
479 | { | |
480 | if (! CHARSETP (XCAR (val))) | |
481 | goto invalid_entry; | |
482 | encoding_id = XINT (CHARSET_SYMBOL_ID (XCAR (val))); | |
483 | if (NILP (XCDR (val))) | |
484 | repertory_id = -1; | |
485 | else | |
486 | { | |
487 | if (! CHARSETP (XCDR (val))) | |
488 | goto invalid_entry; | |
489 | repertory_id = XINT (CHARSET_SYMBOL_ID (XCDR (val))); | |
490 | } | |
51c01100 | 491 | } |
1701724c KH |
492 | else |
493 | goto invalid_entry; | |
494 | val = Fcons (make_number (encoding_id), make_number (repertory_id)); | |
495 | font_charset_alist | |
6c6f1994 | 496 | = nconc2 (font_charset_alist, list1 (Fcons (registry, val))); |
1701724c KH |
497 | } |
498 | ||
499 | if (encoding) | |
500 | *encoding = CHARSET_FROM_ID (encoding_id); | |
501 | if (repertory) | |
502 | *repertory = repertory_id >= 0 ? CHARSET_FROM_ID (repertory_id) : NULL; | |
503 | return 0; | |
504 | ||
505 | invalid_entry: | |
506 | font_charset_alist | |
6c6f1994 | 507 | = nconc2 (font_charset_alist, list1 (Fcons (registry, Qnil))); |
1701724c KH |
508 | return -1; |
509 | } | |
510 | ||
c2f5bfd6 | 511 | \f |
56dd2d86 | 512 | /* Font property value validators. See the comment of |
45eb10fb KH |
513 | font_property_table for the meaning of the arguments. */ |
514 | ||
f57e2426 J |
515 | static Lisp_Object font_prop_validate (int, Lisp_Object, Lisp_Object); |
516 | static Lisp_Object font_prop_validate_symbol (Lisp_Object, Lisp_Object); | |
517 | static Lisp_Object font_prop_validate_style (Lisp_Object, Lisp_Object); | |
518 | static Lisp_Object font_prop_validate_non_neg (Lisp_Object, Lisp_Object); | |
519 | static Lisp_Object font_prop_validate_spacing (Lisp_Object, Lisp_Object); | |
520 | static int get_font_prop_index (Lisp_Object); | |
c2f5bfd6 KH |
521 | |
522 | static Lisp_Object | |
971de7fb | 523 | font_prop_validate_symbol (Lisp_Object prop, Lisp_Object val) |
c2f5bfd6 KH |
524 | { |
525 | if (STRINGP (val)) | |
35027d0c KH |
526 | val = Fintern (val, Qnil); |
527 | if (! SYMBOLP (val)) | |
c2f5bfd6 | 528 | val = Qerror; |
35027d0c KH |
529 | else if (EQ (prop, QCregistry)) |
530 | val = Fintern (Fdowncase (SYMBOL_NAME (val)), Qnil); | |
c2f5bfd6 KH |
531 | return val; |
532 | } | |
533 | ||
35027d0c | 534 | |
c2f5bfd6 | 535 | static Lisp_Object |
971de7fb | 536 | font_prop_validate_style (Lisp_Object style, Lisp_Object val) |
c2f5bfd6 | 537 | { |
35027d0c KH |
538 | enum font_property_index prop = (EQ (style, QCweight) ? FONT_WEIGHT_INDEX |
539 | : EQ (style, QCslant) ? FONT_SLANT_INDEX | |
540 | : FONT_WIDTH_INDEX); | |
35027d0c | 541 | if (INTEGERP (val)) |
c2f5bfd6 | 542 | { |
d311d28c | 543 | EMACS_INT n = XINT (val); |
c5e4379c | 544 | CHECK_VECTOR (AREF (font_style_table, prop - FONT_WEIGHT_INDEX)); |
64b900e3 | 545 | if (((n >> 4) & 0xF) |
35027d0c | 546 | >= ASIZE (AREF (font_style_table, prop - FONT_WEIGHT_INDEX))) |
c2f5bfd6 KH |
547 | val = Qerror; |
548 | else | |
549 | { | |
64b900e3 KH |
550 | Lisp_Object elt = AREF (AREF (font_style_table, prop - FONT_WEIGHT_INDEX), (n >> 4) & 0xF); |
551 | ||
c5e4379c | 552 | CHECK_VECTOR (elt); |
64b900e3 KH |
553 | if ((n & 0xF) + 1 >= ASIZE (elt)) |
554 | val = Qerror; | |
c5e4379c AS |
555 | else |
556 | { | |
557 | CHECK_NUMBER (AREF (elt, 0)); | |
558 | if (XINT (AREF (elt, 0)) != (n >> 8)) | |
559 | val = Qerror; | |
560 | } | |
c2f5bfd6 KH |
561 | } |
562 | } | |
35027d0c KH |
563 | else if (SYMBOLP (val)) |
564 | { | |
565 | int n = font_style_to_value (prop, val, 0); | |
566 | ||
567 | val = n >= 0 ? make_number (n) : Qerror; | |
568 | } | |
569 | else | |
570 | val = Qerror; | |
c2f5bfd6 KH |
571 | return val; |
572 | } | |
573 | ||
574 | static Lisp_Object | |
971de7fb | 575 | font_prop_validate_non_neg (Lisp_Object prop, Lisp_Object val) |
c2f5bfd6 KH |
576 | { |
577 | return (NATNUMP (val) || (FLOATP (val) && XFLOAT_DATA (val) >= 0) | |
578 | ? val : Qerror); | |
579 | } | |
580 | ||
581 | static Lisp_Object | |
971de7fb | 582 | font_prop_validate_spacing (Lisp_Object prop, Lisp_Object val) |
ec6fe57c KH |
583 | { |
584 | if (NILP (val) || (NATNUMP (val) && XINT (val) <= FONT_SPACING_CHARCELL)) | |
585 | return val; | |
3692570f KH |
586 | if (SYMBOLP (val) && SBYTES (SYMBOL_NAME (val)) == 1) |
587 | { | |
588 | char spacing = SDATA (SYMBOL_NAME (val))[0]; | |
589 | ||
590 | if (spacing == 'c' || spacing == 'C') | |
591 | return make_number (FONT_SPACING_CHARCELL); | |
592 | if (spacing == 'm' || spacing == 'M') | |
593 | return make_number (FONT_SPACING_MONO); | |
0615d903 | 594 | if (spacing == 'p' || spacing == 'P') |
3692570f KH |
595 | return make_number (FONT_SPACING_PROPORTIONAL); |
596 | if (spacing == 'd' || spacing == 'D') | |
597 | return make_number (FONT_SPACING_DUAL); | |
598 | } | |
ec6fe57c KH |
599 | return Qerror; |
600 | } | |
601 | ||
1701724c | 602 | static Lisp_Object |
971de7fb | 603 | font_prop_validate_otf (Lisp_Object prop, Lisp_Object val) |
1701724c KH |
604 | { |
605 | Lisp_Object tail, tmp; | |
606 | int i; | |
607 | ||
608 | /* VAL = (SCRIPT [ LANGSYS [ GSUB-FEATURES [ GPOS-FEATURES ]]]) | |
609 | GSUB-FEATURES = (FEATURE ... [ nil FEATURE ... ]) | nil | |
610 | GPOS-FEATURES = (FEATURE ... [ nil FEATURE ... ]) | nil */ | |
611 | if (! CONSP (val)) | |
612 | return Qerror; | |
613 | if (! SYMBOLP (XCAR (val))) | |
614 | return Qerror; | |
615 | tail = XCDR (val); | |
616 | if (NILP (tail)) | |
617 | return val; | |
618 | if (! CONSP (tail) || ! SYMBOLP (XCAR (val))) | |
619 | return Qerror; | |
620 | for (i = 0; i < 2; i++) | |
621 | { | |
622 | tail = XCDR (tail); | |
623 | if (NILP (tail)) | |
624 | return val; | |
625 | if (! CONSP (tail)) | |
626 | return Qerror; | |
627 | for (tmp = XCAR (tail); CONSP (tmp); tmp = XCDR (tmp)) | |
628 | if (! SYMBOLP (XCAR (tmp))) | |
629 | return Qerror; | |
630 | if (! NILP (tmp)) | |
631 | return Qerror; | |
632 | } | |
633 | return val; | |
634 | } | |
635 | ||
56dd2d86 | 636 | /* Structure of known font property keys and validator of the |
ec6fe57c | 637 | values. */ |
04bab72c | 638 | static const struct |
c2f5bfd6 | 639 | { |
ec6fe57c | 640 | /* Pointer to the key symbol. */ |
c2f5bfd6 | 641 | Lisp_Object *key; |
45eb10fb KH |
642 | /* Function to validate PROP's value VAL, or NULL if any value is |
643 | ok. The value is VAL or its regularized value if VAL is valid, | |
644 | and Qerror if not. */ | |
c80e3b4a | 645 | Lisp_Object (*validator) (Lisp_Object prop, Lisp_Object val); |
ec6fe57c KH |
646 | } font_property_table[] = |
647 | { { &QCtype, font_prop_validate_symbol }, | |
c2f5bfd6 KH |
648 | { &QCfoundry, font_prop_validate_symbol }, |
649 | { &QCfamily, font_prop_validate_symbol }, | |
650 | { &QCadstyle, font_prop_validate_symbol }, | |
651 | { &QCregistry, font_prop_validate_symbol }, | |
652 | { &QCweight, font_prop_validate_style }, | |
653 | { &QCslant, font_prop_validate_style }, | |
654 | { &QCwidth, font_prop_validate_style }, | |
ec6fe57c | 655 | { &QCsize, font_prop_validate_non_neg }, |
ec6fe57c KH |
656 | { &QCdpi, font_prop_validate_non_neg }, |
657 | { &QCspacing, font_prop_validate_spacing }, | |
35027d0c KH |
658 | { &QCavgwidth, font_prop_validate_non_neg }, |
659 | /* The order of the above entries must match with enum | |
660 | font_property_index. */ | |
661 | { &QClang, font_prop_validate_symbol }, | |
662 | { &QCscript, font_prop_validate_symbol }, | |
663 | { &QCotf, font_prop_validate_otf } | |
c2f5bfd6 KH |
664 | }; |
665 | ||
45eb10fb | 666 | /* Return an index number of font property KEY or -1 if KEY is not an |
35027d0c | 667 | already known property. */ |
45eb10fb | 668 | |
ec6fe57c | 669 | static int |
971de7fb | 670 | get_font_prop_index (Lisp_Object key) |
c2f5bfd6 | 671 | { |
35027d0c KH |
672 | int i; |
673 | ||
faa52174 | 674 | for (i = 0; i < ARRAYELTS (font_property_table); i++) |
35027d0c KH |
675 | if (EQ (key, *font_property_table[i].key)) |
676 | return i; | |
ec6fe57c | 677 | return -1; |
c2f5bfd6 KH |
678 | } |
679 | ||
35027d0c KH |
680 | /* Validate the font property. The property key is specified by the |
681 | symbol PROP, or the index IDX (if PROP is nil). If VAL is invalid, | |
682 | signal an error. The value is VAL or the regularized one. */ | |
45eb10fb | 683 | |
c2f5bfd6 | 684 | static Lisp_Object |
971de7fb | 685 | font_prop_validate (int idx, Lisp_Object prop, Lisp_Object val) |
c2f5bfd6 | 686 | { |
35027d0c | 687 | Lisp_Object validated; |
c2f5bfd6 | 688 | |
1f09f444 KH |
689 | if (NILP (val)) |
690 | return val; | |
35027d0c KH |
691 | if (NILP (prop)) |
692 | prop = *font_property_table[idx].key; | |
693 | else | |
ec6fe57c | 694 | { |
35027d0c KH |
695 | idx = get_font_prop_index (prop); |
696 | if (idx < 0) | |
697 | return val; | |
ec6fe57c | 698 | } |
c80e3b4a | 699 | validated = (font_property_table[idx].validator) (prop, val); |
35027d0c KH |
700 | if (EQ (validated, Qerror)) |
701 | signal_error ("invalid font property", Fcons (prop, val)); | |
702 | return validated; | |
c2f5bfd6 | 703 | } |
51c01100 | 704 | |
35027d0c KH |
705 | |
706 | /* Store VAL as a value of extra font property PROP in FONT while | |
707 | keeping the sorting order. Don't check the validity of VAL. */ | |
45eb10fb | 708 | |
01dbeb0b | 709 | Lisp_Object |
971de7fb | 710 | font_put_extra (Lisp_Object font, Lisp_Object prop, Lisp_Object val) |
9331887d KH |
711 | { |
712 | Lisp_Object extra = AREF (font, FONT_EXTRA_INDEX); | |
ec6fe57c | 713 | Lisp_Object slot = (NILP (extra) ? Qnil : assq_no_quit (prop, extra)); |
9331887d KH |
714 | |
715 | if (NILP (slot)) | |
716 | { | |
35027d0c KH |
717 | Lisp_Object prev = Qnil; |
718 | ||
719 | while (CONSP (extra) | |
720 | && NILP (Fstring_lessp (prop, XCAR (XCAR (extra))))) | |
721 | prev = extra, extra = XCDR (extra); | |
581e51e8 | 722 | |
ce75f06e | 723 | if (NILP (prev)) |
581e51e8 | 724 | ASET (font, FONT_EXTRA_INDEX, Fcons (Fcons (prop, val), extra)); |
ce75f06e | 725 | else |
581e51e8 | 726 | XSETCDR (prev, Fcons (Fcons (prop, val), extra)); |
ce75f06e | 727 | |
ec6fe57c | 728 | return val; |
9331887d | 729 | } |
9331887d | 730 | XSETCDR (slot, val); |
483670b5 KH |
731 | if (NILP (val)) |
732 | ASET (font, FONT_EXTRA_INDEX, Fdelq (slot, extra)); | |
ec6fe57c | 733 | return val; |
9331887d KH |
734 | } |
735 | ||
c2f5bfd6 | 736 | \f |
266fee4f | 737 | /* Font name parser and unparser. */ |
c2f5bfd6 | 738 | |
8ea90aa3 | 739 | static int parse_matrix (const char *); |
f57e2426 | 740 | static int font_expand_wildcards (Lisp_Object *, int); |
984e7f30 | 741 | static int font_parse_name (char *, ptrdiff_t, Lisp_Object); |
c2f5bfd6 | 742 | |
ec6fe57c | 743 | /* An enumerator for each field of an XLFD font name. */ |
c2f5bfd6 KH |
744 | enum xlfd_field_index |
745 | { | |
746 | XLFD_FOUNDRY_INDEX, | |
747 | XLFD_FAMILY_INDEX, | |
748 | XLFD_WEIGHT_INDEX, | |
749 | XLFD_SLANT_INDEX, | |
750 | XLFD_SWIDTH_INDEX, | |
751 | XLFD_ADSTYLE_INDEX, | |
4485a28e KH |
752 | XLFD_PIXEL_INDEX, |
753 | XLFD_POINT_INDEX, | |
c2f5bfd6 KH |
754 | XLFD_RESX_INDEX, |
755 | XLFD_RESY_INDEX, | |
756 | XLFD_SPACING_INDEX, | |
757 | XLFD_AVGWIDTH_INDEX, | |
758 | XLFD_REGISTRY_INDEX, | |
759 | XLFD_ENCODING_INDEX, | |
760 | XLFD_LAST_INDEX | |
761 | }; | |
762 | ||
ec6fe57c | 763 | /* An enumerator for mask bit corresponding to each XLFD field. */ |
4485a28e KH |
764 | enum xlfd_field_mask |
765 | { | |
766 | XLFD_FOUNDRY_MASK = 0x0001, | |
767 | XLFD_FAMILY_MASK = 0x0002, | |
768 | XLFD_WEIGHT_MASK = 0x0004, | |
769 | XLFD_SLANT_MASK = 0x0008, | |
770 | XLFD_SWIDTH_MASK = 0x0010, | |
771 | XLFD_ADSTYLE_MASK = 0x0020, | |
772 | XLFD_PIXEL_MASK = 0x0040, | |
773 | XLFD_POINT_MASK = 0x0080, | |
774 | XLFD_RESX_MASK = 0x0100, | |
775 | XLFD_RESY_MASK = 0x0200, | |
776 | XLFD_SPACING_MASK = 0x0400, | |
777 | XLFD_AVGWIDTH_MASK = 0x0800, | |
778 | XLFD_REGISTRY_MASK = 0x1000, | |
779 | XLFD_ENCODING_MASK = 0x2000 | |
780 | }; | |
781 | ||
782 | ||
56dd2d86 | 783 | /* Parse P pointing to the pixel/point size field of the form |
c2f5bfd6 KH |
784 | `[A B C D]' which specifies a transformation matrix: |
785 | ||
786 | A B 0 | |
787 | C D 0 | |
788 | 0 0 1 | |
789 | ||
790 | by which all glyphs of the font are transformed. The spec says | |
791 | that scalar value N for the pixel/point size is equivalent to: | |
792 | A = N * resx/resy, B = C = 0, D = N. | |
793 | ||
794 | Return the scalar value N if the form is valid. Otherwise return | |
795 | -1. */ | |
796 | ||
797 | static int | |
8ea90aa3 | 798 | parse_matrix (const char *p) |
c2f5bfd6 KH |
799 | { |
800 | double matrix[4]; | |
801 | char *end; | |
802 | int i; | |
803 | ||
804 | for (i = 0, p++; i < 4 && *p && *p != ']'; i++) | |
805 | { | |
806 | if (*p == '~') | |
807 | matrix[i] = - strtod (p + 1, &end); | |
808 | else | |
809 | matrix[i] = strtod (p, &end); | |
810 | p = end; | |
811 | } | |
812 | return (i == 4 ? (int) matrix[3] : -1); | |
813 | } | |
814 | ||
4485a28e | 815 | /* Expand a wildcard field in FIELD (the first N fields are filled) to |
56dd2d86 | 816 | multiple fields to fill in all 14 XLFD fields while restricting a |
4485a28e KH |
817 | field position by its contents. */ |
818 | ||
ec6fe57c | 819 | static int |
971de7fb | 820 | font_expand_wildcards (Lisp_Object *field, int n) |
4485a28e KH |
821 | { |
822 | /* Copy of FIELD. */ | |
823 | Lisp_Object tmp[XLFD_LAST_INDEX]; | |
824 | /* Array of information about where this element can go. Nth | |
825 | element is for Nth element of FIELD. */ | |
826 | struct { | |
827 | /* Minimum possible field. */ | |
828 | int from; | |
09e80d9f | 829 | /* Maximum possible field. */ |
4485a28e KH |
830 | int to; |
831 | /* Bit mask of possible field. Nth bit corresponds to Nth field. */ | |
832 | int mask; | |
833 | } range[XLFD_LAST_INDEX]; | |
834 | int i, j; | |
ec6fe57c | 835 | int range_from, range_to; |
4485a28e KH |
836 | unsigned range_mask; |
837 | ||
838 | #define XLFD_SYMBOL_MASK (XLFD_FOUNDRY_MASK | XLFD_FAMILY_MASK \ | |
839 | | XLFD_ADSTYLE_MASK | XLFD_REGISTRY_MASK) | |
840 | #define XLFD_NULL_MASK (XLFD_FOUNDRY_MASK | XLFD_ADSTYLE_MASK) | |
4485a28e | 841 | #define XLFD_LARGENUM_MASK (XLFD_POINT_MASK | XLFD_RESX_MASK | XLFD_RESY_MASK \ |
ef18374f | 842 | | XLFD_AVGWIDTH_MASK) |
4485a28e KH |
843 | #define XLFD_REGENC_MASK (XLFD_REGISTRY_MASK | XLFD_ENCODING_MASK) |
844 | ||
845 | /* Initialize RANGE_MASK for FIELD[0] which can be 0th to (14 - N)th | |
846 | field. The value is shifted to left one bit by one in the | |
847 | following loop. */ | |
848 | for (i = 0, range_mask = 0; i <= 14 - n; i++) | |
849 | range_mask = (range_mask << 1) | 1; | |
850 | ||
ec6fe57c | 851 | /* The triplet RANGE_FROM, RANGE_TO, and RANGE_MASK is a |
c80e3b4a | 852 | position-based restriction for FIELD[I]. */ |
ec6fe57c KH |
853 | for (i = 0, range_from = 0, range_to = 14 - n; i < n; |
854 | i++, range_from++, range_to++, range_mask <<= 1) | |
4485a28e | 855 | { |
4485a28e KH |
856 | Lisp_Object val = field[i]; |
857 | ||
858 | tmp[i] = val; | |
859 | if (NILP (val)) | |
860 | { | |
861 | /* Wildcard. */ | |
862 | range[i].from = range_from; | |
863 | range[i].to = range_to; | |
864 | range[i].mask = range_mask; | |
865 | } | |
866 | else | |
867 | { | |
868 | /* The triplet FROM, TO, and MASK is a value-based | |
c80e3b4a | 869 | restriction for FIELD[I]. */ |
4485a28e KH |
870 | int from, to; |
871 | unsigned mask; | |
872 | ||
873 | if (INTEGERP (val)) | |
874 | { | |
d311d28c | 875 | EMACS_INT numeric = XINT (val); |
4485a28e | 876 | |
ef18374f KH |
877 | if (i + 1 == n) |
878 | from = to = XLFD_ENCODING_INDEX, | |
879 | mask = XLFD_ENCODING_MASK; | |
ec6fe57c KH |
880 | else if (numeric == 0) |
881 | from = XLFD_PIXEL_INDEX, to = XLFD_AVGWIDTH_INDEX, | |
882 | mask = XLFD_PIXEL_MASK | XLFD_LARGENUM_MASK; | |
ef18374f KH |
883 | else if (numeric <= 48) |
884 | from = to = XLFD_PIXEL_INDEX, | |
885 | mask = XLFD_PIXEL_MASK; | |
51c01100 | 886 | else |
ec6fe57c | 887 | from = XLFD_POINT_INDEX, to = XLFD_AVGWIDTH_INDEX, |
4485a28e KH |
888 | mask = XLFD_LARGENUM_MASK; |
889 | } | |
35027d0c | 890 | else if (SBYTES (SYMBOL_NAME (val)) == 0) |
4485a28e KH |
891 | from = XLFD_FOUNDRY_INDEX, to = XLFD_ADSTYLE_INDEX, |
892 | mask = XLFD_NULL_MASK; | |
893 | else if (i == 0) | |
894 | from = to = XLFD_FOUNDRY_INDEX, mask = XLFD_FOUNDRY_MASK; | |
895 | else if (i + 1 == n) | |
896 | { | |
897 | Lisp_Object name = SYMBOL_NAME (val); | |
898 | ||
899 | if (SDATA (name)[SBYTES (name) - 1] == '*') | |
900 | from = XLFD_REGISTRY_INDEX, to = XLFD_ENCODING_INDEX, | |
901 | mask = XLFD_REGENC_MASK; | |
902 | else | |
903 | from = to = XLFD_ENCODING_INDEX, | |
904 | mask = XLFD_ENCODING_MASK; | |
905 | } | |
ef18374f KH |
906 | else if (range_from <= XLFD_WEIGHT_INDEX |
907 | && range_to >= XLFD_WEIGHT_INDEX | |
35027d0c | 908 | && FONT_WEIGHT_NAME_NUMERIC (val) >= 0) |
4485a28e | 909 | from = to = XLFD_WEIGHT_INDEX, mask = XLFD_WEIGHT_MASK; |
ef18374f KH |
910 | else if (range_from <= XLFD_SLANT_INDEX |
911 | && range_to >= XLFD_SLANT_INDEX | |
35027d0c | 912 | && FONT_SLANT_NAME_NUMERIC (val) >= 0) |
4485a28e | 913 | from = to = XLFD_SLANT_INDEX, mask = XLFD_SLANT_MASK; |
ef18374f KH |
914 | else if (range_from <= XLFD_SWIDTH_INDEX |
915 | && range_to >= XLFD_SWIDTH_INDEX | |
35027d0c | 916 | && FONT_WIDTH_NAME_NUMERIC (val) >= 0) |
4485a28e KH |
917 | from = to = XLFD_SWIDTH_INDEX, mask = XLFD_SWIDTH_MASK; |
918 | else | |
919 | { | |
ec6fe57c | 920 | if (EQ (val, Qc) || EQ (val, Qm) || EQ (val, Qp) || EQ (val, Qd)) |
4485a28e KH |
921 | from = to = XLFD_SPACING_INDEX, mask = XLFD_SPACING_MASK; |
922 | else | |
923 | from = XLFD_FOUNDRY_INDEX, to = XLFD_ENCODING_INDEX, | |
924 | mask = XLFD_SYMBOL_MASK; | |
925 | } | |
926 | ||
927 | /* Merge position-based and value-based restrictions. */ | |
928 | mask &= range_mask; | |
929 | while (from < range_from) | |
930 | mask &= ~(1 << from++); | |
931 | while (from < 14 && ! (mask & (1 << from))) | |
932 | from++; | |
933 | while (to > range_to) | |
934 | mask &= ~(1 << to--); | |
935 | while (to >= 0 && ! (mask & (1 << to))) | |
936 | to--; | |
937 | if (from > to) | |
938 | return -1; | |
939 | range[i].from = from; | |
940 | range[i].to = to; | |
941 | range[i].mask = mask; | |
942 | ||
943 | if (from > range_from || to < range_to) | |
ec6fe57c KH |
944 | { |
945 | /* The range is narrowed by value-based restrictions. | |
946 | Reflect it to the other fields. */ | |
947 | ||
948 | /* Following fields should be after FROM. */ | |
949 | range_from = from; | |
950 | /* Preceding fields should be before TO. */ | |
951 | for (j = i - 1, from--, to--; j >= 0; j--, from--, to--) | |
952 | { | |
953 | /* Check FROM for non-wildcard field. */ | |
954 | if (! NILP (tmp[j]) && range[j].from < from) | |
955 | { | |
956 | while (range[j].from < from) | |
957 | range[j].mask &= ~(1 << range[j].from++); | |
958 | while (from < 14 && ! (range[j].mask & (1 << from))) | |
959 | from++; | |
960 | range[j].from = from; | |
961 | } | |
962 | else | |
963 | from = range[j].from; | |
964 | if (range[j].to > to) | |
965 | { | |
966 | while (range[j].to > to) | |
967 | range[j].mask &= ~(1 << range[j].to--); | |
968 | while (to >= 0 && ! (range[j].mask & (1 << to))) | |
969 | to--; | |
970 | range[j].to = to; | |
971 | } | |
972 | else | |
973 | to = range[j].to; | |
974 | if (from > to) | |
975 | return -1; | |
976 | } | |
977 | } | |
4485a28e KH |
978 | } |
979 | } | |
980 | ||
c5e87d10 | 981 | /* Decide all fields from restrictions in RANGE. */ |
4485a28e KH |
982 | for (i = j = 0; i < n ; i++) |
983 | { | |
984 | if (j < range[i].from) | |
985 | { | |
986 | if (i == 0 || ! NILP (tmp[i - 1])) | |
987 | /* None of TMP[X] corresponds to Jth field. */ | |
988 | return -1; | |
989 | for (; j < range[i].from; j++) | |
990 | field[j] = Qnil; | |
991 | } | |
992 | field[j++] = tmp[i]; | |
993 | } | |
994 | if (! NILP (tmp[n - 1]) && j < XLFD_REGISTRY_INDEX) | |
995 | return -1; | |
996 | for (; j < XLFD_LAST_INDEX; j++) | |
997 | field[j] = Qnil; | |
998 | if (INTEGERP (field[XLFD_ENCODING_INDEX])) | |
999 | field[XLFD_ENCODING_INDEX] | |
1000 | = Fintern (Fnumber_to_string (field[XLFD_ENCODING_INDEX]), Qnil); | |
1001 | return 0; | |
1002 | } | |
1003 | ||
43a1d19b | 1004 | |
ef18374f | 1005 | /* Parse NAME (null terminated) as XLFD and store information in FONT |
9331887d KH |
1006 | (font-spec or font-entity). Size property of FONT is set as |
1007 | follows: | |
1008 | specified XLFD fields FONT property | |
1009 | --------------------- ------------- | |
1010 | PIXEL_SIZE PIXEL_SIZE (Lisp integer) | |
1011 | POINT_SIZE and RESY calculated pixel size (Lisp integer) | |
1012 | POINT_SIZE POINT_SIZE/10 (Lisp float) | |
1013 | ||
ec6fe57c | 1014 | If NAME is successfully parsed, return 0. Otherwise return -1. |
9331887d | 1015 | |
ec6fe57c KH |
1016 | FONT is usually a font-spec, but when this function is called from |
1017 | X font backend driver, it is a font-entity. In that case, NAME is | |
35027d0c | 1018 | a fully specified XLFD. */ |
c2f5bfd6 KH |
1019 | |
1020 | int | |
984e7f30 | 1021 | font_parse_xlfd (char *name, ptrdiff_t len, Lisp_Object font) |
c2f5bfd6 | 1022 | { |
35027d0c | 1023 | int i, j, n; |
cf23b845 | 1024 | char *f[XLFD_LAST_INDEX + 1]; |
c2f5bfd6 | 1025 | Lisp_Object val; |
4485a28e | 1026 | char *p; |
c2f5bfd6 | 1027 | |
e3928081 | 1028 | if (len > 255 || !len) |
c2f5bfd6 KH |
1029 | /* Maximum XLFD name length is 255. */ |
1030 | return -1; | |
ec6fe57c | 1031 | /* Accept "*-.." as a fully specified XLFD. */ |
e3928081 | 1032 | if (name[0] == '*' && (len == 1 || name[1] == '-')) |
ec6fe57c KH |
1033 | i = 1, f[XLFD_FOUNDRY_INDEX] = name; |
1034 | else | |
1035 | i = 0; | |
1036 | for (p = name + i; *p; p++) | |
35027d0c KH |
1037 | if (*p == '-') |
1038 | { | |
1039 | f[i++] = p + 1; | |
1040 | if (i == XLFD_LAST_INDEX) | |
1041 | break; | |
1042 | } | |
1043 | f[i] = name + len; | |
c2f5bfd6 | 1044 | |
2f286d4f KH |
1045 | #define INTERN_FIELD(N) font_intern_prop (f[N], f[(N) + 1] - 1 - f[N], 0) |
1046 | #define INTERN_FIELD_SYM(N) font_intern_prop (f[N], f[(N) + 1] - 1 - f[N], 1) | |
4485a28e | 1047 | |
ec6fe57c | 1048 | if (i == XLFD_LAST_INDEX) |
4485a28e | 1049 | { |
35027d0c | 1050 | /* Fully specified XLFD. */ |
ec6fe57c KH |
1051 | int pixel_size; |
1052 | ||
2f286d4f KH |
1053 | ASET (font, FONT_FOUNDRY_INDEX, INTERN_FIELD_SYM (XLFD_FOUNDRY_INDEX)); |
1054 | ASET (font, FONT_FAMILY_INDEX, INTERN_FIELD_SYM (XLFD_FAMILY_INDEX)); | |
35027d0c KH |
1055 | for (i = XLFD_WEIGHT_INDEX, j = FONT_WEIGHT_INDEX; |
1056 | i <= XLFD_SWIDTH_INDEX; i++, j++) | |
4485a28e | 1057 | { |
2f286d4f | 1058 | val = INTERN_FIELD_SYM (i); |
ec6fe57c | 1059 | if (! NILP (val)) |
4485a28e | 1060 | { |
2f286d4f | 1061 | if ((n = font_style_to_value (j, INTERN_FIELD_SYM (i), 0)) < 0) |
35027d0c KH |
1062 | return -1; |
1063 | ASET (font, j, make_number (n)); | |
ec6fe57c KH |
1064 | } |
1065 | } | |
2f286d4f | 1066 | ASET (font, FONT_ADSTYLE_INDEX, INTERN_FIELD_SYM (XLFD_ADSTYLE_INDEX)); |
35027d0c KH |
1067 | if (strcmp (f[XLFD_REGISTRY_INDEX], "*-*") == 0) |
1068 | ASET (font, FONT_REGISTRY_INDEX, Qnil); | |
1069 | else | |
1070 | ASET (font, FONT_REGISTRY_INDEX, | |
1071 | font_intern_prop (f[XLFD_REGISTRY_INDEX], | |
2f286d4f KH |
1072 | f[XLFD_LAST_INDEX] - f[XLFD_REGISTRY_INDEX], |
1073 | 1)); | |
ec6fe57c KH |
1074 | p = f[XLFD_PIXEL_INDEX]; |
1075 | if (*p == '[' && (pixel_size = parse_matrix (p)) >= 0) | |
51c01100 | 1076 | ASET (font, FONT_SIZE_INDEX, make_number (pixel_size)); |
ec6fe57c KH |
1077 | else |
1078 | { | |
35027d0c KH |
1079 | val = INTERN_FIELD (XLFD_PIXEL_INDEX); |
1080 | if (INTEGERP (val)) | |
ec6fe57c | 1081 | ASET (font, FONT_SIZE_INDEX, val); |
b57d9029 KH |
1082 | else if (FONT_ENTITY_P (font)) |
1083 | return -1; | |
ec6fe57c KH |
1084 | else |
1085 | { | |
1086 | double point_size = -1; | |
1087 | ||
4e6a86c6 | 1088 | eassert (FONT_SPEC_P (font)); |
ec6fe57c KH |
1089 | p = f[XLFD_POINT_INDEX]; |
1090 | if (*p == '[') | |
1091 | point_size = parse_matrix (p); | |
620f13b0 | 1092 | else if (c_isdigit (*p)) |
ec6fe57c KH |
1093 | point_size = atoi (p), point_size /= 10; |
1094 | if (point_size >= 0) | |
1095 | ASET (font, FONT_SIZE_INDEX, make_float (point_size)); | |
4485a28e KH |
1096 | } |
1097 | } | |
ec6fe57c | 1098 | |
087048cd KH |
1099 | val = INTERN_FIELD (XLFD_RESY_INDEX); |
1100 | if (! NILP (val) && ! INTEGERP (val)) | |
1101 | return -1; | |
1102 | ASET (font, FONT_DPI_INDEX, val); | |
35027d0c KH |
1103 | val = INTERN_FIELD (XLFD_SPACING_INDEX); |
1104 | if (! NILP (val)) | |
ec6fe57c | 1105 | { |
35027d0c KH |
1106 | val = font_prop_validate_spacing (QCspacing, val); |
1107 | if (! INTEGERP (val)) | |
1108 | return -1; | |
1109 | ASET (font, FONT_SPACING_INDEX, val); | |
ec6fe57c | 1110 | } |
ec6fe57c KH |
1111 | p = f[XLFD_AVGWIDTH_INDEX]; |
1112 | if (*p == '~') | |
1113 | p++; | |
087048cd KH |
1114 | val = font_intern_prop (p, f[XLFD_REGISTRY_INDEX] - 1 - p, 0); |
1115 | if (! NILP (val) && ! INTEGERP (val)) | |
1116 | return -1; | |
1117 | ASET (font, FONT_AVGWIDTH_INDEX, val); | |
4485a28e KH |
1118 | } |
1119 | else | |
c2f5bfd6 | 1120 | { |
a864ef14 | 1121 | bool wild_card_found = 0; |
ec6fe57c | 1122 | Lisp_Object prop[XLFD_LAST_INDEX]; |
4485a28e | 1123 | |
35027d0c KH |
1124 | if (FONT_ENTITY_P (font)) |
1125 | return -1; | |
ec6fe57c | 1126 | for (j = 0; j < i; j++) |
4485a28e | 1127 | { |
ec6fe57c | 1128 | if (*f[j] == '*') |
4485a28e | 1129 | { |
ec6fe57c KH |
1130 | if (f[j][1] && f[j][1] != '-') |
1131 | return -1; | |
1132 | prop[j] = Qnil; | |
1133 | wild_card_found = 1; | |
1134 | } | |
ec6fe57c | 1135 | else if (j + 1 < i) |
35027d0c | 1136 | prop[j] = INTERN_FIELD (j); |
ec6fe57c | 1137 | else |
2f286d4f | 1138 | prop[j] = font_intern_prop (f[j], f[i] - f[j], 0); |
4485a28e KH |
1139 | } |
1140 | if (! wild_card_found) | |
c2f5bfd6 | 1141 | return -1; |
ec6fe57c | 1142 | if (font_expand_wildcards (prop, i) < 0) |
4485a28e | 1143 | return -1; |
ec6fe57c | 1144 | |
35027d0c KH |
1145 | ASET (font, FONT_FOUNDRY_INDEX, prop[XLFD_FOUNDRY_INDEX]); |
1146 | ASET (font, FONT_FAMILY_INDEX, prop[XLFD_FAMILY_INDEX]); | |
1147 | for (i = XLFD_WEIGHT_INDEX, j = FONT_WEIGHT_INDEX; | |
1148 | i <= XLFD_SWIDTH_INDEX; i++, j++) | |
ec6fe57c | 1149 | if (! NILP (prop[i])) |
35027d0c KH |
1150 | { |
1151 | if ((n = font_style_to_value (j, prop[i], 1)) < 0) | |
1152 | return -1; | |
1153 | ASET (font, j, make_number (n)); | |
1154 | } | |
1155 | ASET (font, FONT_ADSTYLE_INDEX, prop[XLFD_ADSTYLE_INDEX]); | |
ec6fe57c KH |
1156 | val = prop[XLFD_REGISTRY_INDEX]; |
1157 | if (NILP (val)) | |
c2f5bfd6 | 1158 | { |
ec6fe57c KH |
1159 | val = prop[XLFD_ENCODING_INDEX]; |
1160 | if (! NILP (val)) | |
35027d0c | 1161 | val = concat2 (build_string ("*-"), SYMBOL_NAME (val)); |
4485a28e | 1162 | } |
ec6fe57c | 1163 | else if (NILP (prop[XLFD_ENCODING_INDEX])) |
35027d0c | 1164 | val = concat2 (SYMBOL_NAME (val), build_string ("-*")); |
4485a28e | 1165 | else |
35027d0c KH |
1166 | val = concat3 (SYMBOL_NAME (val), build_string ("-"), |
1167 | SYMBOL_NAME (prop[XLFD_ENCODING_INDEX])); | |
ec6fe57c | 1168 | if (! NILP (val)) |
35027d0c | 1169 | ASET (font, FONT_REGISTRY_INDEX, Fintern (val, Qnil)); |
ec6fe57c KH |
1170 | |
1171 | if (INTEGERP (prop[XLFD_PIXEL_INDEX])) | |
1172 | ASET (font, FONT_SIZE_INDEX, prop[XLFD_PIXEL_INDEX]); | |
1173 | else if (INTEGERP (prop[XLFD_POINT_INDEX])) | |
4485a28e | 1174 | { |
ec6fe57c | 1175 | double point_size = XINT (prop[XLFD_POINT_INDEX]); |
c2f5bfd6 | 1176 | |
ec6fe57c KH |
1177 | ASET (font, FONT_SIZE_INDEX, make_float (point_size / 10)); |
1178 | } | |
c2f5bfd6 | 1179 | |
35027d0c KH |
1180 | if (INTEGERP (prop[XLFD_RESX_INDEX])) |
1181 | ASET (font, FONT_DPI_INDEX, prop[XLFD_RESY_INDEX]); | |
1182 | if (! NILP (prop[XLFD_SPACING_INDEX])) | |
1183 | { | |
1184 | val = font_prop_validate_spacing (QCspacing, | |
1185 | prop[XLFD_SPACING_INDEX]); | |
1186 | if (! INTEGERP (val)) | |
1187 | return -1; | |
1188 | ASET (font, FONT_SPACING_INDEX, val); | |
1189 | } | |
ec6fe57c | 1190 | if (INTEGERP (prop[XLFD_AVGWIDTH_INDEX])) |
35027d0c | 1191 | ASET (font, FONT_AVGWIDTH_INDEX, prop[XLFD_AVGWIDTH_INDEX]); |
c2f5bfd6 KH |
1192 | } |
1193 | ||
ec6fe57c | 1194 | return 0; |
c2f5bfd6 KH |
1195 | } |
1196 | ||
1197 | /* Store XLFD name of FONT (font-spec or font-entity) in NAME (NBYTES | |
1198 | length), and return the name length. If FONT_SIZE_INDEX of FONT is | |
1199 | 0, use PIXEL_SIZE instead. */ | |
1200 | ||
d923b542 | 1201 | ptrdiff_t |
971de7fb | 1202 | font_unparse_xlfd (Lisp_Object font, int pixel_size, char *name, int nbytes) |
c2f5bfd6 | 1203 | { |
e663c700 | 1204 | char *p; |
00dc3ead | 1205 | const char *f[XLFD_REGISTRY_INDEX + 1]; |
c2f5bfd6 | 1206 | Lisp_Object val; |
c21721cc | 1207 | int i, j, len; |
c2f5bfd6 | 1208 | |
4e6a86c6 | 1209 | eassert (FONTP (font)); |
c2f5bfd6 KH |
1210 | |
1211 | for (i = FONT_FOUNDRY_INDEX, j = XLFD_FOUNDRY_INDEX; i <= FONT_REGISTRY_INDEX; | |
1212 | i++, j++) | |
1213 | { | |
1214 | if (i == FONT_ADSTYLE_INDEX) | |
1215 | j = XLFD_ADSTYLE_INDEX; | |
1216 | else if (i == FONT_REGISTRY_INDEX) | |
1217 | j = XLFD_REGISTRY_INDEX; | |
1218 | val = AREF (font, i); | |
1219 | if (NILP (val)) | |
1bb1d99b KH |
1220 | { |
1221 | if (j == XLFD_REGISTRY_INDEX) | |
c21721cc | 1222 | f[j] = "*-*"; |
1bb1d99b | 1223 | else |
c21721cc | 1224 | f[j] = "*"; |
1bb1d99b | 1225 | } |
c2f5bfd6 KH |
1226 | else |
1227 | { | |
1228 | if (SYMBOLP (val)) | |
1229 | val = SYMBOL_NAME (val); | |
1bb1d99b | 1230 | if (j == XLFD_REGISTRY_INDEX |
51b59d79 | 1231 | && ! strchr (SSDATA (val), '-')) |
1bb1d99b KH |
1232 | { |
1233 | /* Change "jisx0208*" and "jisx0208" to "jisx0208*-*". */ | |
c21721cc PE |
1234 | ptrdiff_t alloc = SBYTES (val) + 4; |
1235 | if (nbytes <= alloc) | |
1236 | return -1; | |
1237 | f[j] = p = alloca (alloc); | |
1238 | sprintf (p, "%s%s-*", SDATA (val), | |
31ff141c | 1239 | &"*"[SDATA (val)[SBYTES (val) - 1] == '*']); |
1bb1d99b KH |
1240 | } |
1241 | else | |
c21721cc | 1242 | f[j] = SSDATA (val); |
c2f5bfd6 KH |
1243 | } |
1244 | } | |
1245 | ||
1246 | for (i = FONT_WEIGHT_INDEX, j = XLFD_WEIGHT_INDEX; i <= FONT_WIDTH_INDEX; | |
1247 | i++, j++) | |
1248 | { | |
35027d0c | 1249 | val = font_style_symbolic (font, i, 0); |
c2f5bfd6 | 1250 | if (NILP (val)) |
c21721cc | 1251 | f[j] = "*"; |
c2f5bfd6 KH |
1252 | else |
1253 | { | |
e1bf05c1 KH |
1254 | int c, k, l; |
1255 | ptrdiff_t alloc; | |
1256 | ||
35027d0c | 1257 | val = SYMBOL_NAME (val); |
e1bf05c1 KH |
1258 | alloc = SBYTES (val) + 1; |
1259 | if (nbytes <= alloc) | |
1260 | return -1; | |
00dc3ead | 1261 | f[j] = p = alloca (alloc); |
e1bf05c1 KH |
1262 | /* Copy the name while excluding '-', '?', ',', and '"'. */ |
1263 | for (k = l = 0; k < alloc; k++) | |
1264 | { | |
1265 | c = SREF (val, k); | |
1266 | if (c != '-' && c != '?' && c != ',' && c != '"') | |
00dc3ead | 1267 | p[l++] = c; |
e1bf05c1 | 1268 | } |
c2f5bfd6 KH |
1269 | } |
1270 | } | |
1271 | ||
1272 | val = AREF (font, FONT_SIZE_INDEX); | |
4e6a86c6 | 1273 | eassert (NUMBERP (val) || NILP (val)); |
c2f5bfd6 KH |
1274 | if (INTEGERP (val)) |
1275 | { | |
c21721cc PE |
1276 | EMACS_INT v = XINT (val); |
1277 | if (v <= 0) | |
1278 | v = pixel_size; | |
1279 | if (v > 0) | |
81aefea4 | 1280 | { |
c21721cc PE |
1281 | f[XLFD_PIXEL_INDEX] = p = |
1282 | alloca (sizeof "-*" + INT_STRLEN_BOUND (EMACS_INT)); | |
1283 | sprintf (p, "%"pI"d-*", v); | |
81aefea4 SM |
1284 | } |
1285 | else | |
c21721cc | 1286 | f[XLFD_PIXEL_INDEX] = "*-*"; |
c2f5bfd6 KH |
1287 | } |
1288 | else if (FLOATP (val)) | |
1289 | { | |
c21721cc PE |
1290 | double v = XFLOAT_DATA (val) * 10; |
1291 | f[XLFD_PIXEL_INDEX] = p = alloca (sizeof "*-" + 1 + DBL_MAX_10_EXP + 1); | |
1292 | sprintf (p, "*-%.0f", v); | |
c2f5bfd6 KH |
1293 | } |
1294 | else | |
c21721cc | 1295 | f[XLFD_PIXEL_INDEX] = "*-*"; |
ec6fe57c | 1296 | |
35027d0c | 1297 | if (INTEGERP (AREF (font, FONT_DPI_INDEX))) |
c2f5bfd6 | 1298 | { |
c21721cc PE |
1299 | EMACS_INT v = XINT (AREF (font, FONT_DPI_INDEX)); |
1300 | f[XLFD_RESX_INDEX] = p = | |
1301 | alloca (sizeof "-" + 2 * INT_STRLEN_BOUND (EMACS_INT)); | |
1302 | sprintf (p, "%"pI"d-%"pI"d", v, v); | |
c2f5bfd6 KH |
1303 | } |
1304 | else | |
c21721cc | 1305 | f[XLFD_RESX_INDEX] = "*-*"; |
35027d0c | 1306 | if (INTEGERP (AREF (font, FONT_SPACING_INDEX))) |
ec6fe57c | 1307 | { |
c21721cc | 1308 | EMACS_INT spacing = XINT (AREF (font, FONT_SPACING_INDEX)); |
ec6fe57c | 1309 | |
35027d0c KH |
1310 | f[XLFD_SPACING_INDEX] = (spacing <= FONT_SPACING_PROPORTIONAL ? "p" |
1311 | : spacing <= FONT_SPACING_DUAL ? "d" | |
1312 | : spacing <= FONT_SPACING_MONO ? "m" | |
1313 | : "c"); | |
ec6fe57c | 1314 | } |
35027d0c | 1315 | else |
c21721cc | 1316 | f[XLFD_SPACING_INDEX] = "*"; |
35027d0c KH |
1317 | if (INTEGERP (AREF (font, FONT_AVGWIDTH_INDEX))) |
1318 | { | |
c21721cc PE |
1319 | f[XLFD_AVGWIDTH_INDEX] = p = alloca (INT_BUFSIZE_BOUND (EMACS_INT)); |
1320 | sprintf (p, "%"pI"d", XINT (AREF (font, FONT_AVGWIDTH_INDEX))); | |
35027d0c KH |
1321 | } |
1322 | else | |
c21721cc | 1323 | f[XLFD_AVGWIDTH_INDEX] = "*"; |
8666506e PE |
1324 | len = snprintf (name, nbytes, "-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s", |
1325 | f[XLFD_FOUNDRY_INDEX], f[XLFD_FAMILY_INDEX], | |
1326 | f[XLFD_WEIGHT_INDEX], f[XLFD_SLANT_INDEX], | |
1327 | f[XLFD_SWIDTH_INDEX], f[XLFD_ADSTYLE_INDEX], | |
1328 | f[XLFD_PIXEL_INDEX], f[XLFD_RESX_INDEX], | |
1329 | f[XLFD_SPACING_INDEX], f[XLFD_AVGWIDTH_INDEX], | |
1330 | f[XLFD_REGISTRY_INDEX]); | |
1331 | return len < nbytes ? len : -1; | |
c2f5bfd6 KH |
1332 | } |
1333 | ||
8c102d5b CY |
1334 | /* Parse NAME (null terminated) and store information in FONT |
1335 | (font-spec or font-entity). NAME is supplied in either the | |
1336 | Fontconfig or GTK font name format. If NAME is successfully | |
1337 | parsed, return 0. Otherwise return -1. | |
1338 | ||
1339 | The fontconfig format is | |
1340 | ||
1341 | FAMILY[-SIZE][:PROP1[=VAL1][:PROP2[=VAL2]...]] | |
1342 | ||
1343 | The GTK format is | |
1344 | ||
1345 | FAMILY [PROPS...] [SIZE] | |
1346 | ||
1347 | This function tries to guess which format it is. */ | |
ef18374f | 1348 | |
2f7c71a1 | 1349 | static int |
984e7f30 | 1350 | font_parse_fcname (char *name, ptrdiff_t len, Lisp_Object font) |
ef18374f | 1351 | { |
8c102d5b CY |
1352 | char *p, *q; |
1353 | char *size_beg = NULL, *size_end = NULL; | |
1354 | char *props_beg = NULL, *family_end = NULL; | |
ef18374f | 1355 | |
ec6fe57c KH |
1356 | if (len == 0) |
1357 | return -1; | |
8c102d5b CY |
1358 | |
1359 | for (p = name; *p; p++) | |
ef18374f | 1360 | { |
8c102d5b CY |
1361 | if (*p == '\\' && p[1]) |
1362 | p++; | |
1363 | else if (*p == ':') | |
ef18374f | 1364 | { |
59facb78 | 1365 | props_beg = family_end = p; |
8c102d5b CY |
1366 | break; |
1367 | } | |
1368 | else if (*p == '-') | |
1369 | { | |
a864ef14 | 1370 | bool decimal = 0, size_found = 1; |
8c102d5b | 1371 | for (q = p + 1; *q && *q != ':'; q++) |
620f13b0 | 1372 | if (! c_isdigit (*q)) |
8c102d5b | 1373 | { |
b1868a1a CY |
1374 | if (*q != '.' || decimal) |
1375 | { | |
1376 | size_found = 0; | |
1377 | break; | |
1378 | } | |
1379 | decimal = 1; | |
8c102d5b CY |
1380 | } |
1381 | if (size_found) | |
1382 | { | |
1383 | family_end = p; | |
1384 | size_beg = p + 1; | |
1385 | size_end = q; | |
1386 | break; | |
1387 | } | |
ef18374f | 1388 | } |
ef18374f | 1389 | } |
9331887d | 1390 | |
8c102d5b CY |
1391 | if (family_end) |
1392 | { | |
637fa988 JD |
1393 | Lisp_Object extra_props = Qnil; |
1394 | ||
8c102d5b CY |
1395 | /* A fontconfig name with size and/or property data. */ |
1396 | if (family_end > name) | |
1397 | { | |
1398 | Lisp_Object family; | |
1399 | family = font_intern_prop (name, family_end - name, 1); | |
1400 | ASET (font, FONT_FAMILY_INDEX, family); | |
1401 | } | |
1402 | if (size_beg) | |
1403 | { | |
1404 | double point_size = strtod (size_beg, &size_end); | |
1405 | ASET (font, FONT_SIZE_INDEX, make_float (point_size)); | |
1406 | if (*size_end == ':' && size_end[1]) | |
59facb78 | 1407 | props_beg = size_end; |
8c102d5b CY |
1408 | } |
1409 | if (props_beg) | |
1410 | { | |
d26424c5 | 1411 | /* Now parse ":KEY=VAL" patterns. */ |
59facb78 | 1412 | Lisp_Object val; |
8c102d5b | 1413 | |
59facb78 | 1414 | for (p = props_beg; *p; p = q) |
8c102d5b | 1415 | { |
8c102d5b | 1416 | for (q = p + 1; *q && *q != '=' && *q != ':'; q++); |
8c102d5b CY |
1417 | if (*q != '=') |
1418 | { | |
1419 | /* Must be an enumerated value. */ | |
b5b8c9e5 | 1420 | ptrdiff_t word_len; |
59facb78 CY |
1421 | p = p + 1; |
1422 | word_len = q - p; | |
8c102d5b | 1423 | val = font_intern_prop (p, q - p, 1); |
9277a69d | 1424 | |
4ec88040 AS |
1425 | #define PROP_MATCH(STR) (word_len == strlen (STR) \ |
1426 | && memcmp (p, STR, strlen (STR)) == 0) | |
1427 | ||
1428 | if (PROP_MATCH ("light") | |
1429 | || PROP_MATCH ("medium") | |
1430 | || PROP_MATCH ("demibold") | |
1431 | || PROP_MATCH ("bold") | |
1432 | || PROP_MATCH ("black")) | |
8c102d5b | 1433 | FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, val); |
4ec88040 AS |
1434 | else if (PROP_MATCH ("roman") |
1435 | || PROP_MATCH ("italic") | |
1436 | || PROP_MATCH ("oblique")) | |
8c102d5b | 1437 | FONT_SET_STYLE (font, FONT_SLANT_INDEX, val); |
4ec88040 | 1438 | else if (PROP_MATCH ("charcell")) |
8c102d5b CY |
1439 | ASET (font, FONT_SPACING_INDEX, |
1440 | make_number (FONT_SPACING_CHARCELL)); | |
4ec88040 | 1441 | else if (PROP_MATCH ("mono")) |
8c102d5b CY |
1442 | ASET (font, FONT_SPACING_INDEX, |
1443 | make_number (FONT_SPACING_MONO)); | |
4ec88040 | 1444 | else if (PROP_MATCH ("proportional")) |
8c102d5b CY |
1445 | ASET (font, FONT_SPACING_INDEX, |
1446 | make_number (FONT_SPACING_PROPORTIONAL)); | |
9277a69d | 1447 | #undef PROP_MATCH |
8c102d5b | 1448 | } |
59facb78 | 1449 | else |
8c102d5b | 1450 | { |
59facb78 | 1451 | /* KEY=VAL pairs */ |
8c102d5b | 1452 | Lisp_Object key; |
59facb78 | 1453 | int prop; |
51c01100 | 1454 | |
59facb78 | 1455 | if (q - p == 10 && memcmp (p + 1, "pixelsize", 9) == 0) |
8c102d5b CY |
1456 | prop = FONT_SIZE_INDEX; |
1457 | else | |
1458 | { | |
1459 | key = font_intern_prop (p, q - p, 1); | |
1460 | prop = get_font_prop_index (key); | |
1461 | } | |
77989187 | 1462 | |
8c102d5b CY |
1463 | p = q + 1; |
1464 | for (q = p; *q && *q != ':'; q++); | |
90c00b01 | 1465 | val = font_intern_prop (p, q - p, 0); |
77989187 | 1466 | |
d26424c5 KH |
1467 | if (prop >= FONT_FOUNDRY_INDEX |
1468 | && prop < FONT_EXTRA_INDEX) | |
637fa988 | 1469 | ASET (font, prop, font_prop_validate (prop, Qnil, val)); |
ce75f06e | 1470 | else |
637fa988 JD |
1471 | { |
1472 | extra_props = nconc2 (extra_props, | |
6c6f1994 | 1473 | list1 (Fcons (key, val))); |
637fa988 | 1474 | } |
8c102d5b | 1475 | } |
d26424c5 | 1476 | p = q; |
8c102d5b | 1477 | } |
8c102d5b | 1478 | } |
637fa988 JD |
1479 | |
1480 | if (! NILP (extra_props)) | |
1481 | { | |
1482 | struct font_driver_list *driver_list = font_driver_list; | |
1483 | for ( ; driver_list; driver_list = driver_list->next) | |
1484 | if (driver_list->driver->filter_properties) | |
1485 | (*driver_list->driver->filter_properties) (font, extra_props); | |
1486 | } | |
ce75f06e | 1487 | |
8c102d5b CY |
1488 | } |
1489 | else | |
ef18374f | 1490 | { |
8c102d5b CY |
1491 | /* Either a fontconfig-style name with no size and property |
1492 | data, or a GTK-style name. */ | |
6608a7d8 CY |
1493 | Lisp_Object weight = Qnil, slant = Qnil; |
1494 | Lisp_Object width = Qnil, size = Qnil; | |
1495 | char *word_start; | |
b5b8c9e5 | 1496 | ptrdiff_t word_len; |
6608a7d8 CY |
1497 | |
1498 | /* Scan backwards from the end, looking for a size. */ | |
1499 | for (p = name + len - 1; p >= name; p--) | |
620f13b0 | 1500 | if (!c_isdigit (*p)) |
6608a7d8 CY |
1501 | break; |
1502 | ||
1503 | if ((p < name + len - 1) && ((p + 1 == name) || *p == ' ')) | |
1504 | /* Found a font size. */ | |
1505 | size = make_float (strtod (p + 1, NULL)); | |
1506 | else | |
1507 | p = name + len; | |
ef18374f | 1508 | |
6608a7d8 CY |
1509 | /* Now P points to the termination of the string, sans size. |
1510 | Scan backwards, looking for font properties. */ | |
1511 | for (; p > name; p = q) | |
ef18374f | 1512 | { |
6608a7d8 | 1513 | for (q = p - 1; q >= name; q--) |
9331887d | 1514 | { |
6608a7d8 CY |
1515 | if (q > name && *(q-1) == '\\') |
1516 | --q; /* Skip quoting backslashes. */ | |
1517 | else if (*q == ' ') | |
1518 | break; | |
027a33c0 | 1519 | } |
8c102d5b | 1520 | |
6608a7d8 CY |
1521 | word_start = q + 1; |
1522 | word_len = p - word_start; | |
8c102d5b | 1523 | |
4ec88040 AS |
1524 | #define PROP_MATCH(STR) \ |
1525 | (word_len == strlen (STR) \ | |
1526 | && memcmp (word_start, STR, strlen (STR)) == 0) | |
1527 | #define PROP_SAVE(VAR, STR) \ | |
1528 | (VAR = NILP (VAR) ? font_intern_prop (STR, strlen (STR), 1) : VAR) | |
1529 | ||
1530 | if (PROP_MATCH ("Ultra-Light")) | |
1531 | PROP_SAVE (weight, "ultra-light"); | |
1532 | else if (PROP_MATCH ("Light")) | |
1533 | PROP_SAVE (weight, "light"); | |
1534 | else if (PROP_MATCH ("Book")) | |
1535 | PROP_SAVE (weight, "book"); | |
1536 | else if (PROP_MATCH ("Medium")) | |
1537 | PROP_SAVE (weight, "medium"); | |
1538 | else if (PROP_MATCH ("Semi-Bold")) | |
1539 | PROP_SAVE (weight, "semi-bold"); | |
1540 | else if (PROP_MATCH ("Bold")) | |
1541 | PROP_SAVE (weight, "bold"); | |
1542 | else if (PROP_MATCH ("Italic")) | |
1543 | PROP_SAVE (slant, "italic"); | |
1544 | else if (PROP_MATCH ("Oblique")) | |
1545 | PROP_SAVE (slant, "oblique"); | |
1546 | else if (PROP_MATCH ("Semi-Condensed")) | |
1547 | PROP_SAVE (width, "semi-condensed"); | |
1548 | else if (PROP_MATCH ("Condensed")) | |
1549 | PROP_SAVE (width, "condensed"); | |
6608a7d8 CY |
1550 | /* An unknown word must be part of the font name. */ |
1551 | else | |
fe69a722 | 1552 | { |
6608a7d8 CY |
1553 | family_end = p; |
1554 | break; | |
fe69a722 | 1555 | } |
ef18374f | 1556 | } |
8c102d5b | 1557 | #undef PROP_MATCH |
372fb76b | 1558 | #undef PROP_SAVE |
9ba6fd41 | 1559 | |
8c102d5b | 1560 | if (family_end) |
6608a7d8 CY |
1561 | ASET (font, FONT_FAMILY_INDEX, |
1562 | font_intern_prop (name, family_end - name, 1)); | |
1563 | if (!NILP (size)) | |
1564 | ASET (font, FONT_SIZE_INDEX, size); | |
1565 | if (!NILP (weight)) | |
1566 | FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, weight); | |
1567 | if (!NILP (slant)) | |
1568 | FONT_SET_STYLE (font, FONT_SLANT_INDEX, slant); | |
1569 | if (!NILP (width)) | |
1570 | FONT_SET_STYLE (font, FONT_WIDTH_INDEX, width); | |
8c102d5b | 1571 | } |
17ab8f5d | 1572 | |
9331887d | 1573 | return 0; |
ef18374f KH |
1574 | } |
1575 | ||
1576 | /* Store fontconfig's font name of FONT (font-spec or font-entity) in | |
1577 | NAME (NBYTES length), and return the name length. If | |
1578 | FONT_SIZE_INDEX of FONT is 0, use PIXEL_SIZE instead. */ | |
1579 | ||
1580 | int | |
09d93395 | 1581 | font_unparse_fcname (Lisp_Object font, int pixel_size, char *name, int nbytes) |
ef18374f | 1582 | { |
b1868a1a | 1583 | Lisp_Object family, foundry; |
c21721cc | 1584 | Lisp_Object val; |
ec6fe57c | 1585 | int point_size; |
b5b8c9e5 | 1586 | int i; |
ef18374f | 1587 | char *p; |
c21721cc | 1588 | char *lim; |
a9262bb8 | 1589 | Lisp_Object styles[3]; |
675e2c69 | 1590 | const char *style_names[3] = { "weight", "slant", "width" }; |
ef18374f | 1591 | |
b1868a1a CY |
1592 | family = AREF (font, FONT_FAMILY_INDEX); |
1593 | if (! NILP (family)) | |
1594 | { | |
1595 | if (SYMBOLP (family)) | |
c21721cc | 1596 | family = SYMBOL_NAME (family); |
b1868a1a CY |
1597 | else |
1598 | family = Qnil; | |
1599 | } | |
ec6fe57c KH |
1600 | |
1601 | val = AREF (font, FONT_SIZE_INDEX); | |
1602 | if (INTEGERP (val)) | |
ef18374f | 1603 | { |
ec6fe57c KH |
1604 | if (XINT (val) != 0) |
1605 | pixel_size = XINT (val); | |
1606 | point_size = -1; | |
ef18374f | 1607 | } |
3ddb0639 | 1608 | else |
ef18374f | 1609 | { |
4e6a86c6 | 1610 | eassert (FLOATP (val)); |
ec6fe57c KH |
1611 | pixel_size = -1; |
1612 | point_size = (int) XFLOAT_DATA (val); | |
ef18374f | 1613 | } |
ec6fe57c | 1614 | |
b1868a1a CY |
1615 | foundry = AREF (font, FONT_FOUNDRY_INDEX); |
1616 | if (! NILP (foundry)) | |
1617 | { | |
1618 | if (SYMBOLP (foundry)) | |
c21721cc | 1619 | foundry = SYMBOL_NAME (foundry); |
b1868a1a CY |
1620 | else |
1621 | foundry = Qnil; | |
1622 | } | |
ec6fe57c | 1623 | |
35027d0c | 1624 | for (i = 0; i < 3; i++) |
c21721cc | 1625 | styles[i] = font_style_symbolic (font, FONT_WEIGHT_INDEX + i, 0); |
35027d0c | 1626 | |
ef18374f | 1627 | p = name; |
c21721cc | 1628 | lim = name + nbytes; |
b1868a1a | 1629 | if (! NILP (family)) |
8666506e PE |
1630 | { |
1631 | int len = snprintf (p, lim - p, "%s", SSDATA (family)); | |
1632 | if (! (0 <= len && len < lim - p)) | |
1633 | return -1; | |
1634 | p += len; | |
1635 | } | |
ec6fe57c | 1636 | if (point_size > 0) |
8666506e | 1637 | { |
31ff141c | 1638 | int len = snprintf (p, lim - p, &"-%d"[p == name], point_size); |
8666506e PE |
1639 | if (! (0 <= len && len < lim - p)) |
1640 | return -1; | |
1641 | p += len; | |
1642 | } | |
ef18374f | 1643 | else if (pixel_size > 0) |
8666506e PE |
1644 | { |
1645 | int len = snprintf (p, lim - p, ":pixelsize=%d", pixel_size); | |
1646 | if (! (0 <= len && len < lim - p)) | |
1647 | return -1; | |
1648 | p += len; | |
1649 | } | |
35027d0c | 1650 | if (! NILP (AREF (font, FONT_FOUNDRY_INDEX))) |
8666506e PE |
1651 | { |
1652 | int len = snprintf (p, lim - p, ":foundry=%s", | |
1653 | SSDATA (SYMBOL_NAME (AREF (font, | |
1654 | FONT_FOUNDRY_INDEX)))); | |
1655 | if (! (0 <= len && len < lim - p)) | |
1656 | return -1; | |
1657 | p += len; | |
1658 | } | |
a9262bb8 | 1659 | for (i = 0; i < 3; i++) |
35027d0c | 1660 | if (! NILP (styles[i])) |
8666506e PE |
1661 | { |
1662 | int len = snprintf (p, lim - p, ":%s=%s", style_names[i], | |
1663 | SSDATA (SYMBOL_NAME (styles[i]))); | |
1664 | if (! (0 <= len && len < lim - p)) | |
1665 | return -1; | |
1666 | p += len; | |
1667 | } | |
1668 | ||
35027d0c | 1669 | if (INTEGERP (AREF (font, FONT_DPI_INDEX))) |
8666506e PE |
1670 | { |
1671 | int len = snprintf (p, lim - p, ":dpi=%"pI"d", | |
1672 | XINT (AREF (font, FONT_DPI_INDEX))); | |
1673 | if (! (0 <= len && len < lim - p)) | |
1674 | return -1; | |
1675 | p += len; | |
1676 | } | |
1677 | ||
35027d0c | 1678 | if (INTEGERP (AREF (font, FONT_SPACING_INDEX))) |
8666506e PE |
1679 | { |
1680 | int len = snprintf (p, lim - p, ":spacing=%"pI"d", | |
1681 | XINT (AREF (font, FONT_SPACING_INDEX))); | |
1682 | if (! (0 <= len && len < lim - p)) | |
1683 | return -1; | |
1684 | p += len; | |
1685 | } | |
1686 | ||
35027d0c | 1687 | if (INTEGERP (AREF (font, FONT_AVGWIDTH_INDEX))) |
8666506e PE |
1688 | { |
1689 | int len = snprintf (p, lim - p, | |
1690 | (XINT (AREF (font, FONT_AVGWIDTH_INDEX)) == 0 | |
1691 | ? ":scalable=true" | |
1692 | : ":scalable=false")); | |
1693 | if (! (0 <= len && len < lim - p)) | |
1694 | return -1; | |
1695 | p += len; | |
1696 | } | |
1697 | ||
1698 | return (p - name); | |
ef18374f KH |
1699 | } |
1700 | ||
1701 | /* Parse NAME (null terminated) and store information in FONT | |
1702 | (font-spec or font-entity). If NAME is successfully parsed, return | |
35027d0c | 1703 | 0. Otherwise return -1. */ |
ef18374f KH |
1704 | |
1705 | static int | |
984e7f30 | 1706 | font_parse_name (char *name, ptrdiff_t namelen, Lisp_Object font) |
ef18374f | 1707 | { |
8966b757 | 1708 | if (name[0] == '-' || strchr (name, '*') || strchr (name, '?')) |
984e7f30 DA |
1709 | return font_parse_xlfd (name, namelen, font); |
1710 | return font_parse_fcname (name, namelen, font); | |
ef18374f KH |
1711 | } |
1712 | ||
35027d0c KH |
1713 | |
1714 | /* Merge FAMILY and REGISTRY into FONT_SPEC. FAMILY may have the form | |
1715 | "FAMILY-FOUNDRY". REGISTRY may not contain charset-encoding | |
1716 | part. */ | |
45eb10fb | 1717 | |
c2f5bfd6 | 1718 | void |
971de7fb | 1719 | font_parse_family_registry (Lisp_Object family, Lisp_Object registry, Lisp_Object font_spec) |
c2f5bfd6 | 1720 | { |
35027d0c KH |
1721 | int len; |
1722 | char *p0, *p1; | |
1723 | ||
d0ab1ebe KH |
1724 | if (! NILP (family) |
1725 | && NILP (AREF (font_spec, FONT_FAMILY_INDEX))) | |
c2f5bfd6 | 1726 | { |
35027d0c KH |
1727 | CHECK_STRING (family); |
1728 | len = SBYTES (family); | |
51b59d79 | 1729 | p0 = SSDATA (family); |
8966b757 | 1730 | p1 = strchr (p0, '-'); |
35027d0c | 1731 | if (p1) |
c2f5bfd6 | 1732 | { |
9903d1e6 | 1733 | if ((*p0 != '*' && p1 - p0 > 0) |
d0ab1ebe | 1734 | && NILP (AREF (font_spec, FONT_FOUNDRY_INDEX))) |
2f286d4f | 1735 | Ffont_put (font_spec, QCfoundry, font_intern_prop (p0, p1 - p0, 1)); |
35027d0c KH |
1736 | p1++; |
1737 | len -= p1 - p0; | |
2f286d4f | 1738 | Ffont_put (font_spec, QCfamily, font_intern_prop (p1, len, 1)); |
c2f5bfd6 | 1739 | } |
35027d0c KH |
1740 | else |
1741 | ASET (font_spec, FONT_FAMILY_INDEX, Fintern (family, Qnil)); | |
c2f5bfd6 | 1742 | } |
35027d0c | 1743 | if (! NILP (registry)) |
c2f5bfd6 | 1744 | { |
35027d0c KH |
1745 | /* Convert "XXX" and "XXX*" to "XXX*-*". */ |
1746 | CHECK_STRING (registry); | |
1747 | len = SBYTES (registry); | |
51b59d79 | 1748 | p0 = SSDATA (registry); |
8966b757 | 1749 | p1 = strchr (p0, '-'); |
35027d0c | 1750 | if (! p1) |
c2f5bfd6 | 1751 | { |
35027d0c KH |
1752 | if (SDATA (registry)[len - 1] == '*') |
1753 | registry = concat2 (registry, build_string ("-*")); | |
1754 | else | |
1755 | registry = concat2 (registry, build_string ("*-*")); | |
c2f5bfd6 | 1756 | } |
35027d0c KH |
1757 | registry = Fdowncase (registry); |
1758 | ASET (font_spec, FONT_REGISTRY_INDEX, Fintern (registry, Qnil)); | |
c2f5bfd6 KH |
1759 | } |
1760 | } | |
1761 | ||
45eb10fb | 1762 | \f |
35027d0c KH |
1763 | /* This part (through the next ^L) is still experimental and not |
1764 | tested much. We may drastically change codes. */ | |
10d16101 | 1765 | |
266fee4f | 1766 | /* OTF handler. */ |
10d16101 | 1767 | |
6a3dadd2 KH |
1768 | #if 0 |
1769 | ||
e950d6f1 KH |
1770 | #define LGSTRING_HEADER_SIZE 6 |
1771 | #define LGSTRING_GLYPH_SIZE 8 | |
1772 | ||
1773 | static int | |
1dae0f0a | 1774 | check_gstring (Lisp_Object gstring) |
e950d6f1 KH |
1775 | { |
1776 | Lisp_Object val; | |
d311d28c PE |
1777 | ptrdiff_t i; |
1778 | int j; | |
e950d6f1 KH |
1779 | |
1780 | CHECK_VECTOR (gstring); | |
1781 | val = AREF (gstring, 0); | |
1782 | CHECK_VECTOR (val); | |
1783 | if (ASIZE (val) < LGSTRING_HEADER_SIZE) | |
1784 | goto err; | |
1785 | CHECK_FONT_OBJECT (LGSTRING_FONT (gstring)); | |
f9ffa1ea SM |
1786 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_LBEARING))) |
1787 | CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_LBEARING)); | |
1788 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_RBEARING))) | |
1789 | CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_RBEARING)); | |
1790 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_WIDTH))) | |
1791 | CHECK_NATNUM (LGSTRING_SLOT (gstring, LGSTRING_IX_WIDTH)); | |
1792 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT))) | |
1793 | CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT)); | |
1794 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT))) | |
1795 | CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT)); | |
e950d6f1 | 1796 | |
071132a9 | 1797 | for (i = 0; i < LGSTRING_GLYPH_LEN (gstring); i++) |
e950d6f1 KH |
1798 | { |
1799 | val = LGSTRING_GLYPH (gstring, i); | |
1800 | CHECK_VECTOR (val); | |
1801 | if (ASIZE (val) < LGSTRING_GLYPH_SIZE) | |
1802 | goto err; | |
f9ffa1ea | 1803 | if (NILP (AREF (val, LGLYPH_IX_CHAR))) |
e950d6f1 | 1804 | break; |
f9ffa1ea SM |
1805 | CHECK_NATNUM (AREF (val, LGLYPH_IX_FROM)); |
1806 | CHECK_NATNUM (AREF (val, LGLYPH_IX_TO)); | |
1807 | CHECK_CHARACTER (AREF (val, LGLYPH_IX_CHAR)); | |
1808 | if (!NILP (AREF (val, LGLYPH_IX_CODE))) | |
1809 | CHECK_NATNUM (AREF (val, LGLYPH_IX_CODE)); | |
1810 | if (!NILP (AREF (val, LGLYPH_IX_WIDTH))) | |
1811 | CHECK_NATNUM (AREF (val, LGLYPH_IX_WIDTH)); | |
1812 | if (!NILP (AREF (val, LGLYPH_IX_ADJUSTMENT))) | |
e950d6f1 | 1813 | { |
f9ffa1ea | 1814 | val = AREF (val, LGLYPH_IX_ADJUSTMENT); |
e950d6f1 KH |
1815 | CHECK_VECTOR (val); |
1816 | if (ASIZE (val) < 3) | |
1817 | goto err; | |
1818 | for (j = 0; j < 3; j++) | |
1819 | CHECK_NUMBER (AREF (val, j)); | |
1820 | } | |
1821 | } | |
1822 | return i; | |
1823 | err: | |
1824 | error ("Invalid glyph-string format"); | |
1825 | return -1; | |
1826 | } | |
1827 | ||
cf385d93 | 1828 | static void |
1dae0f0a | 1829 | check_otf_features (Lisp_Object otf_features) |
cf385d93 | 1830 | { |
35027d0c | 1831 | Lisp_Object val; |
cf385d93 KH |
1832 | |
1833 | CHECK_CONS (otf_features); | |
1834 | CHECK_SYMBOL (XCAR (otf_features)); | |
1835 | otf_features = XCDR (otf_features); | |
1836 | CHECK_CONS (otf_features); | |
1837 | CHECK_SYMBOL (XCAR (otf_features)); | |
1838 | otf_features = XCDR (otf_features); | |
7d7bbefd | 1839 | for (val = Fcar (otf_features); CONSP (val); val = XCDR (val)) |
cf385d93 | 1840 | { |
34348bd4 | 1841 | CHECK_SYMBOL (XCAR (val)); |
cf385d93 | 1842 | if (SBYTES (SYMBOL_NAME (XCAR (val))) > 4) |
e6c3da20 EZ |
1843 | error ("Invalid OTF GSUB feature: %s", |
1844 | SDATA (SYMBOL_NAME (XCAR (val)))); | |
cf385d93 KH |
1845 | } |
1846 | otf_features = XCDR (otf_features); | |
7d7bbefd | 1847 | for (val = Fcar (otf_features); CONSP (val); val = XCDR (val)) |
cf385d93 | 1848 | { |
34348bd4 | 1849 | CHECK_SYMBOL (XCAR (val)); |
cf385d93 | 1850 | if (SBYTES (SYMBOL_NAME (XCAR (val))) > 4) |
e6c3da20 EZ |
1851 | error ("Invalid OTF GPOS feature: %s", |
1852 | SDATA (SYMBOL_NAME (XCAR (val)))); | |
cf385d93 KH |
1853 | } |
1854 | } | |
1855 | ||
c2f5bfd6 KH |
1856 | #ifdef HAVE_LIBOTF |
1857 | #include <otf.h> | |
1858 | ||
733fd013 | 1859 | Lisp_Object otf_list; |
c2f5bfd6 KH |
1860 | |
1861 | static Lisp_Object | |
1dae0f0a | 1862 | otf_tag_symbol (OTF_Tag tag) |
c2f5bfd6 KH |
1863 | { |
1864 | char name[5]; | |
1865 | ||
1866 | OTF_tag_name (tag, name); | |
1867 | return Fintern (make_unibyte_string (name, 4), Qnil); | |
1868 | } | |
1869 | ||
1870 | static OTF * | |
1dae0f0a | 1871 | otf_open (Lisp_Object file) |
c2f5bfd6 | 1872 | { |
35027d0c | 1873 | Lisp_Object val = Fassoc (file, otf_list); |
733fd013 KH |
1874 | OTF *otf; |
1875 | ||
1876 | if (! NILP (val)) | |
2b30549c | 1877 | otf = XSAVE_POINTER (XCDR (val), 0); |
733fd013 | 1878 | else |
c2f5bfd6 | 1879 | { |
51b59d79 | 1880 | otf = STRINGP (file) ? OTF_open (SSDATA (file)) : NULL; |
1396ac86 | 1881 | val = make_save_ptr (otf); |
35027d0c | 1882 | otf_list = Fcons (Fcons (file, val), otf_list); |
c2f5bfd6 | 1883 | } |
733fd013 | 1884 | return otf; |
c2f5bfd6 KH |
1885 | } |
1886 | ||
1887 | ||
1888 | /* Return a list describing which scripts/languages FONT supports by | |
1889 | which GSUB/GPOS features of OpenType tables. See the comment of | |
51c01100 | 1890 | (struct font_driver).otf_capability. */ |
c2f5bfd6 KH |
1891 | |
1892 | Lisp_Object | |
1dae0f0a | 1893 | font_otf_capability (struct font *font) |
c2f5bfd6 KH |
1894 | { |
1895 | OTF *otf; | |
1896 | Lisp_Object capability = Fcons (Qnil, Qnil); | |
1897 | int i; | |
1898 | ||
35027d0c | 1899 | otf = otf_open (font->props[FONT_FILE_INDEX]); |
c2f5bfd6 KH |
1900 | if (! otf) |
1901 | return Qnil; | |
1902 | for (i = 0; i < 2; i++) | |
1903 | { | |
1904 | OTF_GSUB_GPOS *gsub_gpos; | |
1905 | Lisp_Object script_list = Qnil; | |
1906 | int j; | |
1907 | ||
1908 | if (OTF_get_features (otf, i == 0) < 0) | |
1909 | continue; | |
1910 | gsub_gpos = i == 0 ? otf->gsub : otf->gpos; | |
1911 | for (j = gsub_gpos->ScriptList.ScriptCount - 1; j >= 0; j--) | |
1912 | { | |
1913 | OTF_Script *script = gsub_gpos->ScriptList.Script + j; | |
1914 | Lisp_Object langsys_list = Qnil; | |
1915 | Lisp_Object script_tag = otf_tag_symbol (script->ScriptTag); | |
1916 | int k; | |
1917 | ||
1918 | for (k = script->LangSysCount; k >= 0; k--) | |
1919 | { | |
1920 | OTF_LangSys *langsys; | |
1921 | Lisp_Object feature_list = Qnil; | |
1922 | Lisp_Object langsys_tag; | |
1923 | int l; | |
1924 | ||
e80e09b4 | 1925 | if (k == script->LangSysCount) |
c2f5bfd6 KH |
1926 | { |
1927 | langsys = &script->DefaultLangSys; | |
1928 | langsys_tag = Qnil; | |
1929 | } | |
1930 | else | |
1931 | { | |
1932 | langsys = script->LangSys + k; | |
1933 | langsys_tag | |
1934 | = otf_tag_symbol (script->LangSysRecord[k].LangSysTag); | |
1935 | } | |
e80e09b4 | 1936 | for (l = langsys->FeatureCount - 1; l >= 0; l--) |
c2f5bfd6 KH |
1937 | { |
1938 | OTF_Feature *feature | |
1939 | = gsub_gpos->FeatureList.Feature + langsys->FeatureIndex[l]; | |
1940 | Lisp_Object feature_tag | |
1941 | = otf_tag_symbol (feature->FeatureTag); | |
1942 | ||
1943 | feature_list = Fcons (feature_tag, feature_list); | |
1944 | } | |
1945 | langsys_list = Fcons (Fcons (langsys_tag, feature_list), | |
1946 | langsys_list); | |
1947 | } | |
1948 | script_list = Fcons (Fcons (script_tag, langsys_list), | |
1949 | script_list); | |
1950 | } | |
1951 | ||
1952 | if (i == 0) | |
1953 | XSETCAR (capability, script_list); | |
1954 | else | |
1955 | XSETCDR (capability, script_list); | |
1956 | } | |
1957 | ||
1958 | return capability; | |
1959 | } | |
1960 | ||
733fd013 KH |
1961 | /* Parse OTF features in SPEC and write a proper features spec string |
1962 | in FEATURES for the call of OTF_drive_gsub/gpos (of libotf). It is | |
1963 | assured that the sufficient memory has already allocated for | |
1964 | FEATURES. */ | |
1965 | ||
e80e09b4 | 1966 | static void |
1dae0f0a | 1967 | generate_otf_features (Lisp_Object spec, char *features) |
c2f5bfd6 KH |
1968 | { |
1969 | Lisp_Object val; | |
35027d0c | 1970 | char *p; |
a864ef14 | 1971 | bool asterisk; |
c2f5bfd6 | 1972 | |
733fd013 | 1973 | p = features; |
e80e09b4 | 1974 | *p = '\0'; |
c2f5bfd6 KH |
1975 | for (asterisk = 0; CONSP (spec); spec = XCDR (spec)) |
1976 | { | |
1977 | val = XCAR (spec); | |
e80e09b4 KH |
1978 | CHECK_SYMBOL (val); |
1979 | if (p > features) | |
733fd013 | 1980 | *p++ = ','; |
c2f5bfd6 KH |
1981 | if (SREF (SYMBOL_NAME (val), 0) == '*') |
1982 | { | |
1983 | asterisk = 1; | |
e80e09b4 | 1984 | *p++ = '*'; |
c2f5bfd6 KH |
1985 | } |
1986 | else if (! asterisk) | |
e80e09b4 KH |
1987 | { |
1988 | val = SYMBOL_NAME (val); | |
c21721cc | 1989 | p += esprintf (p, "%s", SDATA (val)); |
e80e09b4 | 1990 | } |
c2f5bfd6 | 1991 | else |
e80e09b4 KH |
1992 | { |
1993 | val = SYMBOL_NAME (val); | |
c21721cc | 1994 | p += esprintf (p, "~%s", SDATA (val)); |
e80e09b4 | 1995 | } |
c2f5bfd6 | 1996 | } |
e80e09b4 KH |
1997 | if (CONSP (spec)) |
1998 | error ("OTF spec too long"); | |
1999 | } | |
2000 | ||
733fd013 | 2001 | Lisp_Object |
1dae0f0a | 2002 | font_otf_DeviceTable (OTF_DeviceTable *device_table) |
733fd013 KH |
2003 | { |
2004 | int len = device_table->StartSize - device_table->EndSize + 1; | |
2005 | ||
2006 | return Fcons (make_number (len), | |
2007 | make_unibyte_string (device_table->DeltaValue, len)); | |
2008 | } | |
2009 | ||
2010 | Lisp_Object | |
1dae0f0a | 2011 | font_otf_ValueRecord (int value_format, OTF_ValueRecord *value_record) |
733fd013 KH |
2012 | { |
2013 | Lisp_Object val = Fmake_vector (make_number (8), Qnil); | |
2014 | ||
2015 | if (value_format & OTF_XPlacement) | |
43c0454d | 2016 | ASET (val, 0, make_number (value_record->XPlacement)); |
733fd013 | 2017 | if (value_format & OTF_YPlacement) |
43c0454d | 2018 | ASET (val, 1, make_number (value_record->YPlacement)); |
733fd013 | 2019 | if (value_format & OTF_XAdvance) |
43c0454d | 2020 | ASET (val, 2, make_number (value_record->XAdvance)); |
733fd013 | 2021 | if (value_format & OTF_YAdvance) |
43c0454d | 2022 | ASET (val, 3, make_number (value_record->YAdvance)); |
733fd013 KH |
2023 | if (value_format & OTF_XPlaDevice) |
2024 | ASET (val, 4, font_otf_DeviceTable (&value_record->XPlaDevice)); | |
2025 | if (value_format & OTF_YPlaDevice) | |
2026 | ASET (val, 4, font_otf_DeviceTable (&value_record->YPlaDevice)); | |
2027 | if (value_format & OTF_XAdvDevice) | |
2028 | ASET (val, 4, font_otf_DeviceTable (&value_record->XAdvDevice)); | |
2029 | if (value_format & OTF_YAdvDevice) | |
2030 | ASET (val, 4, font_otf_DeviceTable (&value_record->YAdvDevice)); | |
2031 | return val; | |
2032 | } | |
2033 | ||
2034 | Lisp_Object | |
1dae0f0a | 2035 | font_otf_Anchor (OTF_Anchor *anchor) |
733fd013 KH |
2036 | { |
2037 | Lisp_Object val; | |
2038 | ||
2039 | val = Fmake_vector (make_number (anchor->AnchorFormat + 1), Qnil); | |
2040 | ASET (val, 0, make_number (anchor->XCoordinate)); | |
2041 | ASET (val, 1, make_number (anchor->YCoordinate)); | |
2042 | if (anchor->AnchorFormat == 2) | |
2043 | ASET (val, 2, make_number (anchor->f.f1.AnchorPoint)); | |
2044 | else | |
2045 | { | |
2046 | ASET (val, 3, font_otf_DeviceTable (&anchor->f.f2.XDeviceTable)); | |
2047 | ASET (val, 4, font_otf_DeviceTable (&anchor->f.f2.YDeviceTable)); | |
2048 | } | |
2049 | return val; | |
2050 | } | |
c2f5bfd6 | 2051 | #endif /* HAVE_LIBOTF */ |
6a3dadd2 | 2052 | #endif /* 0 */ |
c2f5bfd6 | 2053 | |
c2f5bfd6 | 2054 | \f |
266fee4f | 2055 | /* Font sorting. */ |
c2f5bfd6 | 2056 | |
55e41770 | 2057 | static double |
971de7fb | 2058 | font_rescale_ratio (Lisp_Object font_entity) |
55e41770 KH |
2059 | { |
2060 | Lisp_Object tail, elt; | |
2061 | Lisp_Object name = Qnil; | |
2062 | ||
2063 | for (tail = Vface_font_rescale_alist; CONSP (tail); tail = XCDR (tail)) | |
2064 | { | |
2065 | elt = XCAR (tail); | |
2066 | if (FLOATP (XCDR (elt))) | |
2067 | { | |
2068 | if (STRINGP (XCAR (elt))) | |
2069 | { | |
2070 | if (NILP (name)) | |
2071 | name = Ffont_xlfd_name (font_entity, Qnil); | |
2072 | if (fast_string_match_ignore_case (XCAR (elt), name) >= 0) | |
2073 | return XFLOAT_DATA (XCDR (elt)); | |
2074 | } | |
2075 | else if (FONT_SPEC_P (XCAR (elt))) | |
2076 | { | |
2077 | if (font_match_p (XCAR (elt), font_entity)) | |
2078 | return XFLOAT_DATA (XCDR (elt)); | |
2079 | } | |
2080 | } | |
2081 | } | |
2082 | return 1.0; | |
2083 | } | |
2084 | ||
c2f5bfd6 KH |
2085 | /* We sort fonts by scoring each of them against a specified |
2086 | font-spec. The score value is 32 bit (`unsigned'), and the smaller | |
2087 | the value is, the closer the font is to the font-spec. | |
2088 | ||
56dd2d86 | 2089 | The lowest 2 bits of the score are used for driver type. The font |
4007dd1c | 2090 | available by the most preferred font driver is 0. |
35027d0c | 2091 | |
56dd2d86 | 2092 | The 4 7-bit fields in the higher 28 bits are used for numeric properties |
c2f5bfd6 KH |
2093 | WEIGHT, SLANT, WIDTH, and SIZE. */ |
2094 | ||
2095 | /* How many bits to shift to store the difference value of each font | |
56dd2d86 | 2096 | property in a score. Note that floats for FONT_TYPE_INDEX and |
35027d0c | 2097 | FONT_REGISTRY_INDEX are not used. */ |
c2f5bfd6 KH |
2098 | static int sort_shift_bits[FONT_SIZE_INDEX + 1]; |
2099 | ||
9331887d KH |
2100 | /* Score font-entity ENTITY against properties of font-spec SPEC_PROP. |
2101 | The return value indicates how different ENTITY is compared with | |
51c13510 | 2102 | SPEC_PROP. */ |
c2f5bfd6 KH |
2103 | |
2104 | static unsigned | |
971de7fb | 2105 | font_score (Lisp_Object entity, Lisp_Object *spec_prop) |
c2f5bfd6 KH |
2106 | { |
2107 | unsigned score = 0; | |
2108 | int i; | |
c2f5bfd6 | 2109 | |
35027d0c KH |
2110 | /* Score three style numeric fields. Maximum difference is 127. */ |
2111 | for (i = FONT_WEIGHT_INDEX; i <= FONT_WIDTH_INDEX; i++) | |
2112 | if (! NILP (spec_prop[i]) && ! EQ (AREF (entity, i), spec_prop[i])) | |
2113 | { | |
790771b1 PE |
2114 | EMACS_INT diff = ((XINT (AREF (entity, i)) >> 8) |
2115 | - (XINT (spec_prop[i]) >> 8)); | |
71376d4b | 2116 | score |= min (eabs (diff), 127) << sort_shift_bits[i]; |
35027d0c KH |
2117 | } |
2118 | ||
2119 | /* Score the size. Maximum difference is 127. */ | |
2120 | i = FONT_SIZE_INDEX; | |
55e41770 KH |
2121 | if (! NILP (spec_prop[FONT_SIZE_INDEX]) |
2122 | && XINT (AREF (entity, FONT_SIZE_INDEX)) > 0) | |
35027d0c KH |
2123 | { |
2124 | /* We use the higher 6-bit for the actual size difference. The | |
2125 | lowest bit is set if the DPI is different. */ | |
b79e8648 PE |
2126 | EMACS_INT diff; |
2127 | EMACS_INT pixel_size = XINT (spec_prop[FONT_SIZE_INDEX]); | |
35027d0c | 2128 | |
55e41770 KH |
2129 | if (CONSP (Vface_font_rescale_alist)) |
2130 | pixel_size *= font_rescale_ratio (entity); | |
71376d4b | 2131 | diff = eabs (pixel_size - XINT (AREF (entity, FONT_SIZE_INDEX))) << 1; |
35027d0c KH |
2132 | if (! NILP (spec_prop[FONT_DPI_INDEX]) |
2133 | && ! EQ (spec_prop[FONT_DPI_INDEX], AREF (entity, FONT_DPI_INDEX))) | |
2134 | diff |= 1; | |
c0a6070d KH |
2135 | if (! NILP (spec_prop[FONT_AVGWIDTH_INDEX]) |
2136 | && ! EQ (spec_prop[FONT_AVGWIDTH_INDEX], AREF (entity, FONT_AVGWIDTH_INDEX))) | |
2137 | diff |= 1; | |
35027d0c | 2138 | score |= min (diff, 127) << sort_shift_bits[FONT_SIZE_INDEX]; |
c2f5bfd6 KH |
2139 | } |
2140 | ||
2141 | return score; | |
2142 | } | |
2143 | ||
2144 | ||
72d36834 KH |
2145 | /* Concatenate all elements of LIST into one vector. LIST is a list |
2146 | of font-entity vectors. */ | |
c2f5bfd6 | 2147 | |
72d36834 KH |
2148 | static Lisp_Object |
2149 | font_vconcat_entity_vectors (Lisp_Object list) | |
c2f5bfd6 | 2150 | { |
72d36834 | 2151 | int nargs = XINT (Flength (list)); |
663e2b3f | 2152 | Lisp_Object *args = alloca (word_size * nargs); |
72d36834 KH |
2153 | int i; |
2154 | ||
2155 | for (i = 0; i < nargs; i++, list = XCDR (list)) | |
2156 | args[i] = XCAR (list); | |
2157 | return Fvconcat (nargs, args); | |
c2f5bfd6 KH |
2158 | } |
2159 | ||
2160 | ||
2161 | /* The structure for elements being sorted by qsort. */ | |
2162 | struct font_sort_data | |
2163 | { | |
2164 | unsigned score; | |
72d36834 | 2165 | int font_driver_preference; |
c2f5bfd6 KH |
2166 | Lisp_Object entity; |
2167 | }; | |
2168 | ||
2169 | ||
72d36834 KH |
2170 | /* The comparison function for qsort. */ |
2171 | ||
2172 | static int | |
971de7fb | 2173 | font_compare (const void *d1, const void *d2) |
72d36834 KH |
2174 | { |
2175 | const struct font_sort_data *data1 = d1; | |
2176 | const struct font_sort_data *data2 = d2; | |
2177 | ||
2178 | if (data1->score < data2->score) | |
2179 | return -1; | |
2180 | else if (data1->score > data2->score) | |
2181 | return 1; | |
2182 | return (data1->font_driver_preference - data2->font_driver_preference); | |
2183 | } | |
2184 | ||
2185 | ||
2186 | /* Sort each font-entity vector in LIST by closeness to font-spec PREFER. | |
c2f5bfd6 | 2187 | If PREFER specifies a point-size, calculate the corresponding |
9331887d | 2188 | pixel-size from QCdpi property of PREFER or from the Y-resolution |
7181ea6a | 2189 | of FRAME before sorting. |
35027d0c | 2190 | |
c9477f01 KH |
2191 | If BEST-ONLY is nonzero, return the best matching entity (that |
2192 | supports the character BEST-ONLY if BEST-ONLY is positive, or any | |
72d36834 KH |
2193 | if BEST-ONLY is negative). Otherwise, return the sorted result as |
2194 | a single vector of font-entities. | |
c9477f01 | 2195 | |
72d36834 KH |
2196 | This function does no optimization for the case that the total |
2197 | number of elements is 1. The caller should avoid calling this in | |
2198 | such a case. */ | |
c2f5bfd6 KH |
2199 | |
2200 | static Lisp_Object | |
fdb396e2 DA |
2201 | font_sort_entities (Lisp_Object list, Lisp_Object prefer, |
2202 | struct frame *f, int best_only) | |
c2f5bfd6 | 2203 | { |
9331887d | 2204 | Lisp_Object prefer_prop[FONT_SPEC_MAX]; |
72d36834 | 2205 | int len, maxlen, i; |
c2f5bfd6 | 2206 | struct font_sort_data *data; |
35027d0c | 2207 | unsigned best_score; |
72d36834 | 2208 | Lisp_Object best_entity; |
5ad03b97 | 2209 | Lisp_Object tail, vec IF_LINT (= Qnil); |
c2f5bfd6 KH |
2210 | USE_SAFE_ALLOCA; |
2211 | ||
9903d1e6 | 2212 | for (i = FONT_WEIGHT_INDEX; i <= FONT_AVGWIDTH_INDEX; i++) |
9331887d | 2213 | prefer_prop[i] = AREF (prefer, i); |
9331887d KH |
2214 | if (FLOATP (prefer_prop[FONT_SIZE_INDEX])) |
2215 | prefer_prop[FONT_SIZE_INDEX] | |
fdb396e2 | 2216 | = make_number (font_pixel_size (f, prefer)); |
9331887d | 2217 | |
72d36834 KH |
2218 | if (NILP (XCDR (list))) |
2219 | { | |
2220 | /* What we have to take care of is this single vector. */ | |
2221 | vec = XCAR (list); | |
2222 | maxlen = ASIZE (vec); | |
2223 | } | |
2224 | else if (best_only) | |
2225 | { | |
2226 | /* We don't have to perform sort, so there's no need of creating | |
2227 | a single vector. But, we must find the length of the longest | |
2228 | vector. */ | |
2229 | maxlen = 0; | |
2230 | for (tail = list; CONSP (tail); tail = XCDR (tail)) | |
2231 | if (maxlen < ASIZE (XCAR (tail))) | |
2232 | maxlen = ASIZE (XCAR (tail)); | |
2233 | } | |
2234 | else | |
2235 | { | |
2236 | /* We have to create a single vector to sort it. */ | |
2237 | vec = font_vconcat_entity_vectors (list); | |
2238 | maxlen = ASIZE (vec); | |
2239 | } | |
2240 | ||
98c6f1e3 | 2241 | data = SAFE_ALLOCA (maxlen * sizeof *data); |
c9477f01 KH |
2242 | best_score = 0xFFFFFFFF; |
2243 | best_entity = Qnil; | |
72d36834 KH |
2244 | |
2245 | for (tail = list; CONSP (tail); tail = XCDR (tail)) | |
c2f5bfd6 | 2246 | { |
72d36834 KH |
2247 | int font_driver_preference = 0; |
2248 | Lisp_Object current_font_driver; | |
ce75f06e | 2249 | |
72d36834 KH |
2250 | if (best_only) |
2251 | vec = XCAR (tail); | |
2252 | len = ASIZE (vec); | |
2253 | ||
2254 | /* We are sure that the length of VEC > 0. */ | |
2255 | current_font_driver = AREF (AREF (vec, 0), FONT_TYPE_INDEX); | |
2256 | /* Score the elements. */ | |
2257 | for (i = 0; i < len; i++) | |
35027d0c | 2258 | { |
72d36834 KH |
2259 | data[i].entity = AREF (vec, i); |
2260 | data[i].score | |
2261 | = ((best_only <= 0 || font_has_char (f, data[i].entity, best_only) | |
2262 | > 0) | |
2263 | ? font_score (data[i].entity, prefer_prop) | |
2264 | : 0xFFFFFFFF); | |
2265 | if (best_only && best_score > data[i].score) | |
2266 | { | |
2267 | best_score = data[i].score; | |
2268 | best_entity = data[i].entity; | |
2269 | if (best_score == 0) | |
2270 | break; | |
2271 | } | |
2272 | if (! EQ (current_font_driver, AREF (AREF (vec, i), FONT_TYPE_INDEX))) | |
2273 | { | |
2274 | current_font_driver = AREF (AREF (vec, i), FONT_TYPE_INDEX); | |
2275 | font_driver_preference++; | |
2276 | } | |
2277 | data[i].font_driver_preference = font_driver_preference; | |
35027d0c | 2278 | } |
72d36834 KH |
2279 | |
2280 | /* Sort if necessary. */ | |
2281 | if (! best_only) | |
2282 | { | |
2283 | qsort (data, len, sizeof *data, font_compare); | |
2284 | for (i = 0; i < len; i++) | |
2285 | ASET (vec, i, data[i].entity); | |
2286 | break; | |
2287 | } | |
2288 | else | |
2289 | vec = best_entity; | |
c2f5bfd6 | 2290 | } |
72d36834 | 2291 | |
c2f5bfd6 KH |
2292 | SAFE_FREE (); |
2293 | ||
652b9560 | 2294 | FONT_ADD_LOG ("sort-by", prefer, vec); |
c2f5bfd6 KH |
2295 | return vec; |
2296 | } | |
2297 | ||
2298 | \f | |
2299 | /* API of Font Service Layer. */ | |
2300 | ||
45eb10fb KH |
2301 | /* Reflect ORDER (see the variable font_sort_order in xfaces.c) to |
2302 | sort_shift_bits. Finternal_set_font_selection_order calls this | |
2303 | function with font_sort_order after setting up it. */ | |
2304 | ||
c2f5bfd6 | 2305 | void |
971de7fb | 2306 | font_update_sort_order (int *order) |
c2f5bfd6 | 2307 | { |
35027d0c | 2308 | int i, shift_bits; |
c2f5bfd6 | 2309 | |
943b7eea | 2310 | for (i = 0, shift_bits = 23; i < 4; i++, shift_bits -= 7) |
c2f5bfd6 KH |
2311 | { |
2312 | int xlfd_idx = order[i]; | |
2313 | ||
2314 | if (xlfd_idx == XLFD_WEIGHT_INDEX) | |
2315 | sort_shift_bits[FONT_WEIGHT_INDEX] = shift_bits; | |
2316 | else if (xlfd_idx == XLFD_SLANT_INDEX) | |
2317 | sort_shift_bits[FONT_SLANT_INDEX] = shift_bits; | |
2318 | else if (xlfd_idx == XLFD_SWIDTH_INDEX) | |
2319 | sort_shift_bits[FONT_WIDTH_INDEX] = shift_bits; | |
2320 | else | |
2321 | sort_shift_bits[FONT_SIZE_INDEX] = shift_bits; | |
2322 | } | |
2323 | } | |
2324 | ||
a864ef14 PE |
2325 | static bool |
2326 | font_check_otf_features (Lisp_Object script, Lisp_Object langsys, | |
2327 | Lisp_Object features, Lisp_Object table) | |
51c13510 KH |
2328 | { |
2329 | Lisp_Object val; | |
a864ef14 | 2330 | bool negative; |
51c13510 KH |
2331 | |
2332 | table = assq_no_quit (script, table); | |
2333 | if (NILP (table)) | |
2334 | return 0; | |
2335 | table = XCDR (table); | |
2336 | if (! NILP (langsys)) | |
2337 | { | |
2338 | table = assq_no_quit (langsys, table); | |
2339 | if (NILP (table)) | |
2340 | return 0; | |
2341 | } | |
2342 | else | |
2343 | { | |
2344 | val = assq_no_quit (Qnil, table); | |
2345 | if (NILP (val)) | |
2346 | table = XCAR (table); | |
2347 | else | |
2348 | table = val; | |
2349 | } | |
2350 | table = XCDR (table); | |
2351 | for (negative = 0; CONSP (features); features = XCDR (features)) | |
2352 | { | |
2353 | if (NILP (XCAR (features))) | |
c423ecca KH |
2354 | { |
2355 | negative = 1; | |
2356 | continue; | |
2357 | } | |
51c13510 KH |
2358 | if (NILP (Fmemq (XCAR (features), table)) != negative) |
2359 | return 0; | |
2360 | } | |
2361 | return 1; | |
2362 | } | |
2363 | ||
2364 | /* Check if OTF_CAPABILITY satisfies SPEC (otf-spec). */ | |
2365 | ||
a864ef14 | 2366 | static bool |
3cba9369 | 2367 | font_check_otf (Lisp_Object spec, Lisp_Object otf_capability) |
51c13510 KH |
2368 | { |
2369 | Lisp_Object script, langsys = Qnil, gsub = Qnil, gpos = Qnil; | |
2370 | ||
2371 | script = XCAR (spec); | |
2372 | spec = XCDR (spec); | |
2373 | if (! NILP (spec)) | |
2374 | { | |
2375 | langsys = XCAR (spec); | |
2376 | spec = XCDR (spec); | |
2377 | if (! NILP (spec)) | |
2378 | { | |
2379 | gsub = XCAR (spec); | |
2380 | spec = XCDR (spec); | |
2381 | if (! NILP (spec)) | |
2382 | gpos = XCAR (spec); | |
2383 | } | |
2384 | } | |
2385 | ||
2386 | if (! NILP (gsub) && ! font_check_otf_features (script, langsys, gsub, | |
2387 | XCAR (otf_capability))) | |
2388 | return 0; | |
2389 | if (! NILP (gpos) && ! font_check_otf_features (script, langsys, gpos, | |
2390 | XCDR (otf_capability))) | |
2391 | return 0; | |
2392 | return 1; | |
2393 | } | |
2394 | ||
45eb10fb | 2395 | |
51c13510 KH |
2396 | |
2397 | /* Check if FONT (font-entity or font-object) matches with the font | |
2398 | specification SPEC. */ | |
45eb10fb | 2399 | |
a864ef14 | 2400 | bool |
971de7fb | 2401 | font_match_p (Lisp_Object spec, Lisp_Object font) |
ef18374f | 2402 | { |
51c13510 KH |
2403 | Lisp_Object prop[FONT_SPEC_MAX], *props; |
2404 | Lisp_Object extra, font_extra; | |
ef18374f KH |
2405 | int i; |
2406 | ||
51c13510 KH |
2407 | for (i = FONT_FOUNDRY_INDEX; i <= FONT_REGISTRY_INDEX; i++) |
2408 | if (! NILP (AREF (spec, i)) | |
2409 | && ! NILP (AREF (font, i)) | |
2410 | && ! EQ (AREF (spec, i), AREF (font, i))) | |
2411 | return 0; | |
2412 | props = XFONT_SPEC (spec)->props; | |
2413 | if (FLOATP (props[FONT_SIZE_INDEX])) | |
2414 | { | |
2415 | for (i = FONT_FOUNDRY_INDEX; i < FONT_SIZE_INDEX; i++) | |
2416 | prop[i] = AREF (spec, i); | |
2417 | prop[FONT_SIZE_INDEX] | |
2418 | = make_number (font_pixel_size (XFRAME (selected_frame), spec)); | |
2419 | props = prop; | |
2420 | } | |
2421 | ||
2422 | if (font_score (font, props) > 0) | |
2423 | return 0; | |
2424 | extra = AREF (spec, FONT_EXTRA_INDEX); | |
2425 | font_extra = AREF (font, FONT_EXTRA_INDEX); | |
2426 | for (; CONSP (extra); extra = XCDR (extra)) | |
35027d0c | 2427 | { |
51c13510 KH |
2428 | Lisp_Object key = XCAR (XCAR (extra)); |
2429 | Lisp_Object val = XCDR (XCAR (extra)), val2; | |
2430 | ||
2431 | if (EQ (key, QClang)) | |
2432 | { | |
2433 | val2 = assq_no_quit (key, font_extra); | |
2434 | if (NILP (val2)) | |
2435 | return 0; | |
2436 | val2 = XCDR (val2); | |
2437 | if (CONSP (val)) | |
2438 | { | |
2439 | if (! CONSP (val2)) | |
2440 | return 0; | |
2441 | while (CONSP (val)) | |
2442 | if (NILP (Fmemq (val, val2))) | |
2443 | return 0; | |
2444 | } | |
2445 | else | |
2446 | if (CONSP (val2) | |
2447 | ? NILP (Fmemq (val, XCDR (val2))) | |
2448 | : ! EQ (val, val2)) | |
2449 | return 0; | |
2450 | } | |
2451 | else if (EQ (key, QCscript)) | |
2452 | { | |
2453 | val2 = assq_no_quit (val, Vscript_representative_chars); | |
5bdd4dd2 KH |
2454 | if (CONSP (val2)) |
2455 | { | |
2456 | val2 = XCDR (val2); | |
2457 | if (CONSP (val2)) | |
2458 | { | |
2459 | /* All characters in the list must be supported. */ | |
2460 | for (; CONSP (val2); val2 = XCDR (val2)) | |
2461 | { | |
d311d28c | 2462 | if (! CHARACTERP (XCAR (val2))) |
5bdd4dd2 KH |
2463 | continue; |
2464 | if (font_encode_char (font, XFASTINT (XCAR (val2))) | |
2465 | == FONT_INVALID_CODE) | |
2466 | return 0; | |
2467 | } | |
2468 | } | |
2469 | else if (VECTORP (val2)) | |
2470 | { | |
2471 | /* At most one character in the vector must be supported. */ | |
2472 | for (i = 0; i < ASIZE (val2); i++) | |
2473 | { | |
d311d28c | 2474 | if (! CHARACTERP (AREF (val2, i))) |
5bdd4dd2 KH |
2475 | continue; |
2476 | if (font_encode_char (font, XFASTINT (AREF (val2, i))) | |
2477 | != FONT_INVALID_CODE) | |
f5485732 | 2478 | break; |
5bdd4dd2 KH |
2479 | } |
2480 | if (i == ASIZE (val2)) | |
2481 | return 0; | |
2482 | } | |
2483 | } | |
51c13510 KH |
2484 | } |
2485 | else if (EQ (key, QCotf)) | |
2486 | { | |
2487 | struct font *fontp; | |
2488 | ||
2489 | if (! FONT_OBJECT_P (font)) | |
2490 | return 0; | |
2491 | fontp = XFONT_OBJECT (font); | |
2492 | if (! fontp->driver->otf_capability) | |
2493 | return 0; | |
2494 | val2 = fontp->driver->otf_capability (fontp); | |
2495 | if (NILP (val2) || ! font_check_otf (val, val2)) | |
2496 | return 0; | |
2497 | } | |
35027d0c KH |
2498 | } |
2499 | ||
51c13510 | 2500 | return 1; |
ef18374f | 2501 | } |
ca4da08a | 2502 | \f |
819e81df | 2503 | |
ca4da08a KH |
2504 | /* Font cache |
2505 | ||
2506 | Each font backend has the callback function get_cache, and it | |
2507 | returns a cons cell of which cdr part can be freely used for | |
2508 | caching fonts. The cons cell may be shared by multiple frames | |
2509 | and/or multiple font drivers. So, we arrange the cdr part as this: | |
2510 | ||
2511 | ((DRIVER-TYPE NUM-FRAMES FONT-CACHE-DATA ...) ...) | |
2512 | ||
2513 | where DRIVER-TYPE is a symbol such as `x', `xft', etc., NUM-FRAMES | |
2514 | is a number frames sharing this cache, and FONT-CACHE-DATA is a | |
8c1c7611 | 2515 | cons (FONT-SPEC . [FONT-ENTITY ...]). */ |
ca4da08a | 2516 | |
a10c8269 DA |
2517 | static void font_prepare_cache (struct frame *, struct font_driver *); |
2518 | static void font_finish_cache (struct frame *, struct font_driver *); | |
2519 | static Lisp_Object font_get_cache (struct frame *, struct font_driver *); | |
2520 | static void font_clear_cache (struct frame *, Lisp_Object, | |
f57e2426 | 2521 | struct font_driver *); |
ca4da08a KH |
2522 | |
2523 | static void | |
a10c8269 | 2524 | font_prepare_cache (struct frame *f, struct font_driver *driver) |
ca4da08a KH |
2525 | { |
2526 | Lisp_Object cache, val; | |
2527 | ||
2528 | cache = driver->get_cache (f); | |
2529 | val = XCDR (cache); | |
2530 | while (CONSP (val) && ! EQ (XCAR (XCAR (val)), driver->type)) | |
2531 | val = XCDR (val); | |
2532 | if (NILP (val)) | |
2533 | { | |
6c6f1994 | 2534 | val = list2 (driver->type, make_number (1)); |
ca4da08a KH |
2535 | XSETCDR (cache, Fcons (val, XCDR (cache))); |
2536 | } | |
2537 | else | |
2538 | { | |
2539 | val = XCDR (XCAR (val)); | |
2540 | XSETCAR (val, make_number (XINT (XCAR (val)) + 1)); | |
2541 | } | |
2542 | } | |
2543 | ||
43c0454d | 2544 | |
ca4da08a | 2545 | static void |
a10c8269 | 2546 | font_finish_cache (struct frame *f, struct font_driver *driver) |
ca4da08a KH |
2547 | { |
2548 | Lisp_Object cache, val, tmp; | |
2549 | ||
2550 | ||
2551 | cache = driver->get_cache (f); | |
2552 | val = XCDR (cache); | |
2553 | while (CONSP (val) && ! EQ (XCAR (XCAR (val)), driver->type)) | |
2554 | cache = val, val = XCDR (val); | |
4e6a86c6 | 2555 | eassert (! NILP (val)); |
ca4da08a | 2556 | tmp = XCDR (XCAR (val)); |
43c0454d | 2557 | XSETCAR (tmp, make_number (XINT (XCAR (tmp)) - 1)); |
ca4da08a KH |
2558 | if (XINT (XCAR (tmp)) == 0) |
2559 | { | |
2560 | font_clear_cache (f, XCAR (val), driver); | |
2561 | XSETCDR (cache, XCDR (val)); | |
2562 | } | |
ca4da08a KH |
2563 | } |
2564 | ||
43c0454d | 2565 | |
ca4da08a | 2566 | static Lisp_Object |
a10c8269 | 2567 | font_get_cache (struct frame *f, struct font_driver *driver) |
ca4da08a KH |
2568 | { |
2569 | Lisp_Object val = driver->get_cache (f); | |
2570 | Lisp_Object type = driver->type; | |
2571 | ||
4e6a86c6 | 2572 | eassert (CONSP (val)); |
ca4da08a | 2573 | for (val = XCDR (val); ! EQ (XCAR (XCAR (val)), type); val = XCDR (val)); |
4e6a86c6 | 2574 | eassert (CONSP (val)); |
ca4da08a KH |
2575 | /* VAL = ((DRIVER-TYPE NUM-FRAMES FONT-CACHE-DATA ...) ...) */ |
2576 | val = XCDR (XCAR (val)); | |
2577 | return val; | |
2578 | } | |
2579 | ||
43c0454d | 2580 | |
ca4da08a | 2581 | static void |
a10c8269 | 2582 | font_clear_cache (struct frame *f, Lisp_Object cache, struct font_driver *driver) |
ca4da08a KH |
2583 | { |
2584 | Lisp_Object tail, elt; | |
8c1c7611 DA |
2585 | Lisp_Object entity; |
2586 | ptrdiff_t i; | |
51c01100 | 2587 | |
ca4da08a KH |
2588 | /* CACHE = (DRIVER-TYPE NUM-FRAMES FONT-CACHE-DATA ...) */ |
2589 | for (tail = XCDR (XCDR (cache)); CONSP (tail); tail = XCDR (tail)) | |
2590 | { | |
2591 | elt = XCAR (tail); | |
8c1c7611 | 2592 | /* elt should have the form (FONT-SPEC . [FONT-ENTITY ...]) */ |
6136b72f | 2593 | if (CONSP (elt) && FONT_SPEC_P (XCAR (elt))) |
ca4da08a | 2594 | { |
8c1c7611 DA |
2595 | elt = XCDR (elt); |
2596 | eassert (VECTORP (elt)); | |
2597 | for (i = 0; i < ASIZE (elt); i++) | |
ca4da08a | 2598 | { |
8c1c7611 | 2599 | entity = AREF (elt, i); |
ca4da08a | 2600 | |
6136b72f CY |
2601 | if (FONT_ENTITY_P (entity) |
2602 | && EQ (driver->type, AREF (entity, FONT_TYPE_INDEX))) | |
ca4da08a KH |
2603 | { |
2604 | Lisp_Object objlist = AREF (entity, FONT_OBJLIST_INDEX); | |
2605 | ||
2606 | for (; CONSP (objlist); objlist = XCDR (objlist)) | |
2607 | { | |
2608 | Lisp_Object val = XCAR (objlist); | |
35027d0c | 2609 | struct font *font = XFONT_OBJECT (val); |
ca4da08a | 2610 | |
5e634ec9 KH |
2611 | if (! NILP (AREF (val, FONT_TYPE_INDEX))) |
2612 | { | |
4e6a86c6 | 2613 | eassert (font && driver == font->driver); |
78e0b35c | 2614 | driver->close (font); |
5e634ec9 | 2615 | } |
ca4da08a KH |
2616 | } |
2617 | if (driver->free_entity) | |
2618 | driver->free_entity (entity); | |
2619 | } | |
2620 | } | |
2621 | } | |
2622 | } | |
2623 | XSETCDR (cache, Qnil); | |
2624 | } | |
2625 | \f | |
2626 | ||
c2f5bfd6 KH |
2627 | static Lisp_Object scratch_font_spec, scratch_font_prefer; |
2628 | ||
7d56b2dd | 2629 | /* Check each font-entity in VEC, and return a list of font-entities |
56dd2d86 | 2630 | that satisfy these conditions: |
7d56b2dd KH |
2631 | (1) matches with SPEC and SIZE if SPEC is not nil, and |
2632 | (2) doesn't match with any regexps in Vface_ignored_fonts (if non-nil). | |
2633 | */ | |
2634 | ||
7b81e2d0 | 2635 | static Lisp_Object |
971de7fb | 2636 | font_delete_unmatched (Lisp_Object vec, Lisp_Object spec, int size) |
35027d0c | 2637 | { |
d0ab1ebe | 2638 | Lisp_Object entity, val; |
35027d0c | 2639 | enum font_property_index prop; |
72d36834 | 2640 | int i; |
45eb10fb | 2641 | |
72d36834 | 2642 | for (val = Qnil, i = ASIZE (vec) - 1; i >= 0; i--) |
35027d0c | 2643 | { |
72d36834 | 2644 | entity = AREF (vec, i); |
7d56b2dd KH |
2645 | if (! NILP (Vface_ignored_fonts)) |
2646 | { | |
2647 | char name[256]; | |
d923b542 | 2648 | ptrdiff_t namelen; |
7d56b2dd KH |
2649 | Lisp_Object tail, regexp; |
2650 | ||
d923b542 DA |
2651 | namelen = font_unparse_xlfd (entity, 0, name, 256); |
2652 | if (namelen >= 0) | |
7d56b2dd KH |
2653 | { |
2654 | for (tail = Vface_ignored_fonts; CONSP (tail); tail = XCDR (tail)) | |
2655 | { | |
2656 | regexp = XCAR (tail); | |
2657 | if (STRINGP (regexp) | |
d923b542 DA |
2658 | && fast_c_string_match_ignore_case (regexp, name, |
2659 | namelen) >= 0) | |
7d56b2dd KH |
2660 | break; |
2661 | } | |
2662 | if (CONSP (tail)) | |
2663 | continue; | |
2664 | } | |
2665 | } | |
2666 | if (NILP (spec)) | |
2667 | { | |
2668 | val = Fcons (entity, val); | |
2669 | continue; | |
2670 | } | |
35027d0c KH |
2671 | for (prop = FONT_WEIGHT_INDEX; prop < FONT_SIZE_INDEX; prop++) |
2672 | if (INTEGERP (AREF (spec, prop)) | |
2673 | && ((XINT (AREF (spec, prop)) >> 8) | |
2674 | != (XINT (AREF (entity, prop)) >> 8))) | |
2675 | prop = FONT_SPEC_MAX; | |
7181ea6a | 2676 | if (prop < FONT_SPEC_MAX |
35027d0c KH |
2677 | && size |
2678 | && XINT (AREF (entity, FONT_SIZE_INDEX)) > 0) | |
2679 | { | |
2680 | int diff = XINT (AREF (entity, FONT_SIZE_INDEX)) - size; | |
c2f5bfd6 | 2681 | |
71376d4b | 2682 | if (eabs (diff) > FONT_PIXEL_SIZE_QUANTUM) |
35027d0c KH |
2683 | prop = FONT_SPEC_MAX; |
2684 | } | |
7181ea6a KH |
2685 | if (prop < FONT_SPEC_MAX |
2686 | && INTEGERP (AREF (spec, FONT_DPI_INDEX)) | |
2687 | && INTEGERP (AREF (entity, FONT_DPI_INDEX)) | |
c576d6dc | 2688 | && XINT (AREF (entity, FONT_DPI_INDEX)) != 0 |
7181ea6a KH |
2689 | && ! EQ (AREF (spec, FONT_DPI_INDEX), AREF (entity, FONT_DPI_INDEX))) |
2690 | prop = FONT_SPEC_MAX; | |
2691 | if (prop < FONT_SPEC_MAX | |
2692 | && INTEGERP (AREF (spec, FONT_AVGWIDTH_INDEX)) | |
2693 | && INTEGERP (AREF (entity, FONT_AVGWIDTH_INDEX)) | |
c576d6dc | 2694 | && XINT (AREF (entity, FONT_AVGWIDTH_INDEX)) != 0 |
7181ea6a KH |
2695 | && ! EQ (AREF (spec, FONT_AVGWIDTH_INDEX), |
2696 | AREF (entity, FONT_AVGWIDTH_INDEX))) | |
2697 | prop = FONT_SPEC_MAX; | |
35027d0c | 2698 | if (prop < FONT_SPEC_MAX) |
d0ab1ebe | 2699 | val = Fcons (entity, val); |
35027d0c | 2700 | } |
72d36834 | 2701 | return (Fvconcat (1, &val)); |
35027d0c KH |
2702 | } |
2703 | ||
2704 | ||
72d36834 | 2705 | /* Return a list of vectors of font-entities matching with SPEC on |
ce75f06e CY |
2706 | FRAME. Each elements in the list is a vector of entities from the |
2707 | same font-driver. */ | |
35027d0c KH |
2708 | |
2709 | Lisp_Object | |
fdb396e2 | 2710 | font_list_entities (struct frame *f, Lisp_Object spec) |
c2f5bfd6 | 2711 | { |
c2f5bfd6 | 2712 | struct font_driver_list *driver_list = f->font_driver_list; |
4007dd1c | 2713 | Lisp_Object ftype, val; |
72d36834 | 2714 | Lisp_Object list = Qnil; |
35027d0c | 2715 | int size; |
a864ef14 | 2716 | bool need_filtering = 0; |
c2f5bfd6 KH |
2717 | int i; |
2718 | ||
4e6a86c6 | 2719 | eassert (FONT_SPEC_P (spec)); |
c2f5bfd6 | 2720 | |
35027d0c KH |
2721 | if (INTEGERP (AREF (spec, FONT_SIZE_INDEX))) |
2722 | size = XINT (AREF (spec, FONT_SIZE_INDEX)); | |
2723 | else if (FLOATP (AREF (spec, FONT_SIZE_INDEX))) | |
2724 | size = font_pixel_size (f, spec); | |
2725 | else | |
2726 | size = 0; | |
2727 | ||
c2f5bfd6 | 2728 | ftype = AREF (spec, FONT_TYPE_INDEX); |
4007dd1c | 2729 | for (i = FONT_FOUNDRY_INDEX; i <= FONT_REGISTRY_INDEX; i++) |
35027d0c | 2730 | ASET (scratch_font_spec, i, AREF (spec, i)); |
4007dd1c | 2731 | for (i = FONT_WEIGHT_INDEX; i < FONT_EXTRA_INDEX; i++) |
56201685 PE |
2732 | if (i != FONT_SPACING_INDEX) |
2733 | { | |
2734 | ASET (scratch_font_spec, i, Qnil); | |
2735 | if (! NILP (AREF (spec, i))) | |
2736 | need_filtering = 1; | |
2737 | } | |
aa50ca2f | 2738 | ASET (scratch_font_spec, FONT_SPACING_INDEX, AREF (spec, FONT_SPACING_INDEX)); |
35027d0c KH |
2739 | ASET (scratch_font_spec, FONT_EXTRA_INDEX, AREF (spec, FONT_EXTRA_INDEX)); |
2740 | ||
a378aa9d | 2741 | for (; driver_list; driver_list = driver_list->next) |
417a1b10 KH |
2742 | if (driver_list->on |
2743 | && (NILP (ftype) || EQ (driver_list->driver->type, ftype))) | |
c2f5bfd6 | 2744 | { |
ca4da08a | 2745 | Lisp_Object cache = font_get_cache (f, driver_list->driver); |
c2f5bfd6 | 2746 | |
e4c93315 | 2747 | ASET (scratch_font_spec, FONT_TYPE_INDEX, driver_list->driver->type); |
4007dd1c KH |
2748 | val = assoc_no_quit (scratch_font_spec, XCDR (cache)); |
2749 | if (CONSP (val)) | |
2750 | val = XCDR (val); | |
2751 | else | |
c2f5bfd6 | 2752 | { |
fdb396e2 | 2753 | val = driver_list->driver->list (f, scratch_font_spec); |
af1a69f4 DA |
2754 | if (!NILP (val)) |
2755 | { | |
2756 | Lisp_Object copy = copy_font_spec (scratch_font_spec); | |
2757 | ||
2758 | val = Fvconcat (1, &val); | |
2759 | ASET (copy, FONT_TYPE_INDEX, driver_list->driver->type); | |
2760 | XSETCDR (cache, Fcons (Fcons (copy, val), XCDR (cache))); | |
2761 | } | |
c2f5bfd6 | 2762 | } |
af1a69f4 | 2763 | if (VECTORP (val) && ASIZE (val) > 0 |
7d56b2dd KH |
2764 | && (need_filtering |
2765 | || ! NILP (Vface_ignored_fonts))) | |
2766 | val = font_delete_unmatched (val, need_filtering ? spec : Qnil, size); | |
af1a69f4 | 2767 | if (VECTORP (val) && ASIZE (val) > 0) |
72d36834 | 2768 | list = Fcons (val, list); |
c2f5bfd6 | 2769 | } |
35027d0c | 2770 | |
72d36834 KH |
2771 | list = Fnreverse (list); |
2772 | FONT_ADD_LOG ("list", spec, list); | |
2773 | return list; | |
c2f5bfd6 KH |
2774 | } |
2775 | ||
45eb10fb | 2776 | |
35027d0c KH |
2777 | /* Return a font entity matching with SPEC on FRAME. ATTRS, if non |
2778 | nil, is an array of face's attributes, which specifies preferred | |
2779 | font-related attributes. */ | |
45eb10fb | 2780 | |
e950d6f1 | 2781 | static Lisp_Object |
a10c8269 | 2782 | font_matching_entity (struct frame *f, Lisp_Object *attrs, Lisp_Object spec) |
e950d6f1 | 2783 | { |
e950d6f1 KH |
2784 | struct font_driver_list *driver_list = f->font_driver_list; |
2785 | Lisp_Object ftype, size, entity; | |
92470028 | 2786 | Lisp_Object work = copy_font_spec (spec); |
e950d6f1 KH |
2787 | |
2788 | ftype = AREF (spec, FONT_TYPE_INDEX); | |
2789 | size = AREF (spec, FONT_SIZE_INDEX); | |
819ab95f | 2790 | |
8d0e382e AR |
2791 | if (FLOATP (size)) |
2792 | ASET (work, FONT_SIZE_INDEX, make_number (font_pixel_size (f, spec))); | |
819ab95f KH |
2793 | FONT_SET_STYLE (work, FONT_WEIGHT_INDEX, attrs[LFACE_WEIGHT_INDEX]); |
2794 | FONT_SET_STYLE (work, FONT_SLANT_INDEX, attrs[LFACE_SLANT_INDEX]); | |
2795 | FONT_SET_STYLE (work, FONT_WIDTH_INDEX, attrs[LFACE_SWIDTH_INDEX]); | |
2796 | ||
e950d6f1 KH |
2797 | entity = Qnil; |
2798 | for (; driver_list; driver_list = driver_list->next) | |
2799 | if (driver_list->on | |
2800 | && (NILP (ftype) || EQ (driver_list->driver->type, ftype))) | |
2801 | { | |
ca4da08a | 2802 | Lisp_Object cache = font_get_cache (f, driver_list->driver); |
e950d6f1 | 2803 | |
819ab95f KH |
2804 | ASET (work, FONT_TYPE_INDEX, driver_list->driver->type); |
2805 | entity = assoc_no_quit (work, XCDR (cache)); | |
7cee5d63 | 2806 | if (CONSP (entity)) |
8bb59716 | 2807 | entity = AREF (XCDR (entity), 0); |
e950d6f1 KH |
2808 | else |
2809 | { | |
fdb396e2 | 2810 | entity = driver_list->driver->match (f, work); |
af1a69f4 DA |
2811 | if (!NILP (entity)) |
2812 | { | |
2813 | Lisp_Object copy = copy_font_spec (work); | |
2814 | Lisp_Object match = Fvector (1, &entity); | |
2815 | ||
2816 | ASET (copy, FONT_TYPE_INDEX, driver_list->driver->type); | |
2817 | XSETCDR (cache, Fcons (Fcons (copy, match), XCDR (cache))); | |
2818 | } | |
e950d6f1 KH |
2819 | } |
2820 | if (! NILP (entity)) | |
2821 | break; | |
2822 | } | |
652b9560 | 2823 | FONT_ADD_LOG ("match", work, entity); |
e950d6f1 KH |
2824 | return entity; |
2825 | } | |
2826 | ||
45eb10fb KH |
2827 | |
2828 | /* Open a font of ENTITY and PIXEL_SIZE on frame F, and return the | |
2829 | opened font object. */ | |
2830 | ||
c2f5bfd6 | 2831 | static Lisp_Object |
a10c8269 | 2832 | font_open_entity (struct frame *f, Lisp_Object entity, int pixel_size) |
c2f5bfd6 KH |
2833 | { |
2834 | struct font_driver_list *driver_list; | |
43c0454d | 2835 | Lisp_Object objlist, size, val, font_object; |
c2f5bfd6 | 2836 | struct font *font; |
8bd722db | 2837 | int min_width, height, psize; |
c2f5bfd6 | 2838 | |
4e6a86c6 | 2839 | eassert (FONT_ENTITY_P (entity)); |
c2f5bfd6 | 2840 | size = AREF (entity, FONT_SIZE_INDEX); |
c2f5bfd6 | 2841 | if (XINT (size) != 0) |
7e70a152 | 2842 | pixel_size = XINT (size); |
c2f5bfd6 | 2843 | |
35027d0c KH |
2844 | val = AREF (entity, FONT_TYPE_INDEX); |
2845 | for (driver_list = f->font_driver_list; | |
2846 | driver_list && ! EQ (driver_list->driver->type, val); | |
2847 | driver_list = driver_list->next); | |
2848 | if (! driver_list) | |
2849 | return Qnil; | |
c2f5bfd6 | 2850 | |
d0cf45b7 JD |
2851 | for (objlist = AREF (entity, FONT_OBJLIST_INDEX); CONSP (objlist); |
2852 | objlist = XCDR (objlist)) | |
2853 | { | |
2854 | Lisp_Object fn = XCAR (objlist); | |
2855 | if (! NILP (AREF (fn, FONT_TYPE_INDEX)) | |
2856 | && XFONT_OBJECT (fn)->pixel_size == pixel_size) | |
2857 | { | |
2858 | if (driver_list->driver->cached_font_ok == NULL | |
2859 | || driver_list->driver->cached_font_ok (f, fn, entity)) | |
2860 | return fn; | |
2861 | } | |
2862 | } | |
2863 | ||
8bd722db KH |
2864 | /* We always open a font of manageable size; i.e non-zero average |
2865 | width and height. */ | |
2866 | for (psize = pixel_size; ; psize++) | |
2867 | { | |
2868 | font_object = driver_list->driver->open (f, entity, psize); | |
2869 | if (NILP (font_object)) | |
2870 | return Qnil; | |
2871 | font = XFONT_OBJECT (font_object); | |
2872 | if (font->average_width > 0 && font->height > 0) | |
2873 | break; | |
2874 | } | |
2875 | ASET (font_object, FONT_SIZE_INDEX, make_number (pixel_size)); | |
652b9560 | 2876 | FONT_ADD_LOG ("open", entity, font_object); |
35027d0c KH |
2877 | ASET (entity, FONT_OBJLIST_INDEX, |
2878 | Fcons (font_object, AREF (entity, FONT_OBJLIST_INDEX))); | |
35027d0c KH |
2879 | |
2880 | font = XFONT_OBJECT (font_object); | |
2881 | min_width = (font->min_width ? font->min_width | |
2882 | : font->average_width ? font->average_width | |
2883 | : font->space_width ? font->space_width | |
2884 | : 1); | |
d26424c5 | 2885 | height = (font->height ? font->height : 1); |
819e81df | 2886 | #ifdef HAVE_WINDOW_SYSTEM |
aad3612f DA |
2887 | FRAME_DISPLAY_INFO (f)->n_fonts++; |
2888 | if (FRAME_DISPLAY_INFO (f)->n_fonts == 1) | |
43c0454d | 2889 | { |
35027d0c | 2890 | FRAME_SMALLEST_CHAR_WIDTH (f) = min_width; |
d26424c5 | 2891 | FRAME_SMALLEST_FONT_HEIGHT (f) = height; |
bd0443bb | 2892 | f->fonts_changed = 1; |
35027d0c KH |
2893 | } |
2894 | else | |
2895 | { | |
2896 | if (FRAME_SMALLEST_CHAR_WIDTH (f) > min_width) | |
bd0443bb | 2897 | FRAME_SMALLEST_CHAR_WIDTH (f) = min_width, f->fonts_changed = 1; |
d26424c5 | 2898 | if (FRAME_SMALLEST_FONT_HEIGHT (f) > height) |
bd0443bb | 2899 | FRAME_SMALLEST_FONT_HEIGHT (f) = height, f->fonts_changed = 1; |
43c0454d | 2900 | } |
819e81df | 2901 | #endif |
43c0454d KH |
2902 | |
2903 | return font_object; | |
c2f5bfd6 KH |
2904 | } |
2905 | ||
45eb10fb | 2906 | |
5035fbc1 | 2907 | /* Close FONT_OBJECT that is opened on frame F. */ |
45eb10fb | 2908 | |
5035fbc1 DA |
2909 | static void |
2910 | font_close_object (struct frame *f, Lisp_Object font_object) | |
c2f5bfd6 | 2911 | { |
35027d0c | 2912 | struct font *font = XFONT_OBJECT (font_object); |
c2f5bfd6 | 2913 | |
5e634ec9 KH |
2914 | if (NILP (AREF (font_object, FONT_TYPE_INDEX))) |
2915 | /* Already closed. */ | |
2916 | return; | |
652b9560 | 2917 | FONT_ADD_LOG ("close", font_object, Qnil); |
78e0b35c | 2918 | font->driver->close (font); |
819e81df | 2919 | #ifdef HAVE_WINDOW_SYSTEM |
5035fbc1 DA |
2920 | eassert (FRAME_DISPLAY_INFO (f)->n_fonts); |
2921 | FRAME_DISPLAY_INFO (f)->n_fonts--; | |
819e81df | 2922 | #endif |
c2f5bfd6 KH |
2923 | } |
2924 | ||
45eb10fb | 2925 | |
1701724c KH |
2926 | /* Return 1 if FONT on F has a glyph for character C, 0 if not, -1 if |
2927 | FONT is a font-entity and it must be opened to check. */ | |
45eb10fb | 2928 | |
c2f5bfd6 | 2929 | int |
a10c8269 | 2930 | font_has_char (struct frame *f, Lisp_Object font, int c) |
c2f5bfd6 | 2931 | { |
1b834a8d | 2932 | struct font *fontp; |
c2f5bfd6 | 2933 | |
1b834a8d KH |
2934 | if (FONT_ENTITY_P (font)) |
2935 | { | |
2936 | Lisp_Object type = AREF (font, FONT_TYPE_INDEX); | |
2937 | struct font_driver_list *driver_list; | |
2938 | ||
2939 | for (driver_list = f->font_driver_list; | |
2940 | driver_list && ! EQ (driver_list->driver->type, type); | |
2941 | driver_list = driver_list->next); | |
2942 | if (! driver_list) | |
2943 | return 0; | |
2944 | if (! driver_list->driver->has_char) | |
2945 | return -1; | |
2946 | return driver_list->driver->has_char (font, c); | |
2947 | } | |
2948 | ||
4e6a86c6 | 2949 | eassert (FONT_OBJECT_P (font)); |
35027d0c | 2950 | fontp = XFONT_OBJECT (font); |
1b834a8d KH |
2951 | if (fontp->driver->has_char) |
2952 | { | |
35027d0c | 2953 | int result = fontp->driver->has_char (font, c); |
1b834a8d KH |
2954 | |
2955 | if (result >= 0) | |
2956 | return result; | |
2957 | } | |
2958 | return (fontp->driver->encode_char (fontp, c) != FONT_INVALID_CODE); | |
c2f5bfd6 KH |
2959 | } |
2960 | ||
45eb10fb KH |
2961 | |
2962 | /* Return the glyph ID of FONT_OBJECT for character C. */ | |
2963 | ||
2f7c71a1 | 2964 | static unsigned |
971de7fb | 2965 | font_encode_char (Lisp_Object font_object, int c) |
c2f5bfd6 | 2966 | { |
35027d0c | 2967 | struct font *font; |
c2f5bfd6 | 2968 | |
4e6a86c6 | 2969 | eassert (FONT_OBJECT_P (font_object)); |
35027d0c | 2970 | font = XFONT_OBJECT (font_object); |
c2f5bfd6 KH |
2971 | return font->driver->encode_char (font, c); |
2972 | } | |
2973 | ||
45eb10fb KH |
2974 | |
2975 | /* Return the name of FONT_OBJECT. */ | |
2976 | ||
ef18374f | 2977 | Lisp_Object |
971de7fb | 2978 | font_get_name (Lisp_Object font_object) |
c2f5bfd6 | 2979 | { |
4e6a86c6 | 2980 | eassert (FONT_OBJECT_P (font_object)); |
35027d0c | 2981 | return AREF (font_object, FONT_NAME_INDEX); |
ef18374f KH |
2982 | } |
2983 | ||
45eb10fb | 2984 | |
05802645 CY |
2985 | /* Create a new font spec from FONT_NAME, and return it. If FONT_NAME |
2986 | could not be parsed by font_parse_name, return Qnil. */ | |
2987 | ||
35027d0c | 2988 | Lisp_Object |
971de7fb | 2989 | font_spec_from_name (Lisp_Object font_name) |
35027d0c | 2990 | { |
05802645 | 2991 | Lisp_Object spec = Ffont_spec (0, NULL); |
35027d0c | 2992 | |
05802645 | 2993 | CHECK_STRING (font_name); |
984e7f30 | 2994 | if (font_parse_name (SSDATA (font_name), SBYTES (font_name), spec) == -1) |
05802645 CY |
2995 | return Qnil; |
2996 | font_put_extra (spec, QCname, font_name); | |
42707278 | 2997 | font_put_extra (spec, QCuser_spec, font_name); |
05802645 | 2998 | return spec; |
35027d0c KH |
2999 | } |
3000 | ||
45eb10fb | 3001 | |
35027d0c | 3002 | void |
971de7fb | 3003 | font_clear_prop (Lisp_Object *attrs, enum font_property_index prop) |
35027d0c KH |
3004 | { |
3005 | Lisp_Object font = attrs[LFACE_FONT_INDEX]; | |
45eb10fb | 3006 | |
35027d0c KH |
3007 | if (! FONTP (font)) |
3008 | return; | |
42707278 | 3009 | |
483670b5 KH |
3010 | if (! NILP (Ffont_get (font, QCname))) |
3011 | { | |
92470028 | 3012 | font = copy_font_spec (font); |
483670b5 KH |
3013 | font_put_extra (font, QCname, Qnil); |
3014 | } | |
3015 | ||
35027d0c | 3016 | if (NILP (AREF (font, prop)) |
e234927a CY |
3017 | && prop != FONT_FAMILY_INDEX |
3018 | && prop != FONT_FOUNDRY_INDEX | |
3019 | && prop != FONT_WIDTH_INDEX | |
4007dd1c | 3020 | && prop != FONT_SIZE_INDEX) |
35027d0c | 3021 | return; |
483670b5 | 3022 | if (EQ (font, attrs[LFACE_FONT_INDEX])) |
92470028 | 3023 | font = copy_font_spec (font); |
35027d0c | 3024 | ASET (font, prop, Qnil); |
4007dd1c | 3025 | if (prop == FONT_FAMILY_INDEX || prop == FONT_FOUNDRY_INDEX) |
35027d0c | 3026 | { |
4007dd1c | 3027 | if (prop == FONT_FAMILY_INDEX) |
962e8aa9 CY |
3028 | { |
3029 | ASET (font, FONT_FOUNDRY_INDEX, Qnil); | |
3030 | /* If we are setting the font family, we must also clear | |
3031 | FONT_WIDTH_INDEX to avoid rejecting families that lack | |
3032 | support for some widths. */ | |
3033 | ASET (font, FONT_WIDTH_INDEX, Qnil); | |
3034 | } | |
35027d0c | 3035 | ASET (font, FONT_ADSTYLE_INDEX, Qnil); |
4007dd1c | 3036 | ASET (font, FONT_REGISTRY_INDEX, Qnil); |
35027d0c KH |
3037 | ASET (font, FONT_SIZE_INDEX, Qnil); |
3038 | ASET (font, FONT_DPI_INDEX, Qnil); | |
3039 | ASET (font, FONT_SPACING_INDEX, Qnil); | |
3040 | ASET (font, FONT_AVGWIDTH_INDEX, Qnil); | |
3041 | } | |
3042 | else if (prop == FONT_SIZE_INDEX) | |
3043 | { | |
3044 | ASET (font, FONT_DPI_INDEX, Qnil); | |
3045 | ASET (font, FONT_SPACING_INDEX, Qnil); | |
3046 | ASET (font, FONT_AVGWIDTH_INDEX, Qnil); | |
3047 | } | |
e234927a CY |
3048 | else if (prop == FONT_WIDTH_INDEX) |
3049 | ASET (font, FONT_AVGWIDTH_INDEX, Qnil); | |
35027d0c KH |
3050 | attrs[LFACE_FONT_INDEX] = font; |
3051 | } | |
3052 | ||
56dd2d86 EZ |
3053 | /* Select a font from ENTITIES (list of font-entity vectors) that |
3054 | supports C and is the best match for ATTRS and PIXEL_SIZE. */ | |
988a7ddb KH |
3055 | |
3056 | static Lisp_Object | |
fdb396e2 DA |
3057 | font_select_entity (struct frame *f, Lisp_Object entities, |
3058 | Lisp_Object *attrs, int pixel_size, int c) | |
988a7ddb KH |
3059 | { |
3060 | Lisp_Object font_entity; | |
3061 | Lisp_Object prefer; | |
a864ef14 | 3062 | int i; |
988a7ddb | 3063 | |
72d36834 KH |
3064 | if (NILP (XCDR (entities)) |
3065 | && ASIZE (XCAR (entities)) == 1) | |
988a7ddb | 3066 | { |
72d36834 | 3067 | font_entity = AREF (XCAR (entities), 0); |
a864ef14 | 3068 | if (c < 0 || font_has_char (f, font_entity, c) > 0) |
988a7ddb KH |
3069 | return font_entity; |
3070 | return Qnil; | |
3071 | } | |
3072 | ||
3073 | /* Sort fonts by properties specified in ATTRS. */ | |
3074 | prefer = scratch_font_prefer; | |
3075 | ||
3076 | for (i = FONT_WEIGHT_INDEX; i <= FONT_SIZE_INDEX; i++) | |
3077 | ASET (prefer, i, Qnil); | |
3078 | if (FONTP (attrs[LFACE_FONT_INDEX])) | |
3079 | { | |
3080 | Lisp_Object face_font = attrs[LFACE_FONT_INDEX]; | |
3081 | ||
3082 | for (i = FONT_WEIGHT_INDEX; i <= FONT_SIZE_INDEX; i++) | |
3083 | ASET (prefer, i, AREF (face_font, i)); | |
3084 | } | |
3085 | if (NILP (AREF (prefer, FONT_WEIGHT_INDEX))) | |
3086 | FONT_SET_STYLE (prefer, FONT_WEIGHT_INDEX, attrs[LFACE_WEIGHT_INDEX]); | |
3087 | if (NILP (AREF (prefer, FONT_SLANT_INDEX))) | |
3088 | FONT_SET_STYLE (prefer, FONT_SLANT_INDEX, attrs[LFACE_SLANT_INDEX]); | |
3089 | if (NILP (AREF (prefer, FONT_WIDTH_INDEX))) | |
3090 | FONT_SET_STYLE (prefer, FONT_WIDTH_INDEX, attrs[LFACE_SWIDTH_INDEX]); | |
3091 | ASET (prefer, FONT_SIZE_INDEX, make_number (pixel_size)); | |
988a7ddb | 3092 | |
fdb396e2 | 3093 | return font_sort_entities (entities, prefer, f, c); |
988a7ddb KH |
3094 | } |
3095 | ||
56dd2d86 EZ |
3096 | /* Return a font-entity that satisfies SPEC and is the best match for |
3097 | face's font related attributes in ATTRS. C, if not negative, is a | |
1701724c | 3098 | character that the entity must support. */ |
c2f5bfd6 KH |
3099 | |
3100 | Lisp_Object | |
a10c8269 | 3101 | font_find_for_lface (struct frame *f, Lisp_Object *attrs, Lisp_Object spec, int c) |
c2f5bfd6 | 3102 | { |
4007dd1c | 3103 | Lisp_Object work; |
fdb396e2 | 3104 | Lisp_Object entities, val; |
78834453 | 3105 | Lisp_Object foundry[3], *family, registry[3], adstyle[3]; |
1d1e1245 | 3106 | int pixel_size; |
72d36834 | 3107 | int i, j, k, l; |
d311d28c | 3108 | USE_SAFE_ALLOCA; |
d0a47776 KH |
3109 | |
3110 | registry[0] = AREF (spec, FONT_REGISTRY_INDEX); | |
3111 | if (NILP (registry[0])) | |
3112 | { | |
edfda783 | 3113 | registry[0] = DEFAULT_ENCODING; |
d0a47776 | 3114 | registry[1] = Qascii_0; |
9730daca | 3115 | registry[2] = zero_vector; |
d0a47776 KH |
3116 | } |
3117 | else | |
9730daca | 3118 | registry[1] = zero_vector; |
c2f5bfd6 | 3119 | |
4007dd1c | 3120 | if (c >= 0 && ! NILP (AREF (spec, FONT_REGISTRY_INDEX))) |
fe5ddfbc | 3121 | { |
35027d0c | 3122 | struct charset *encoding, *repertory; |
1701724c | 3123 | |
4007dd1c KH |
3124 | if (font_registry_charsets (AREF (spec, FONT_REGISTRY_INDEX), |
3125 | &encoding, &repertory) < 0) | |
35027d0c | 3126 | return Qnil; |
72d36834 KH |
3127 | if (repertory |
3128 | && ENCODE_CHAR (repertory, c) == CHARSET_INVALID_CODE (repertory)) | |
3129 | return Qnil; | |
35027d0c KH |
3130 | else if (c > encoding->max_char) |
3131 | return Qnil; | |
c2f5bfd6 KH |
3132 | } |
3133 | ||
92470028 | 3134 | work = copy_font_spec (spec); |
227f12fa | 3135 | ASET (work, FONT_TYPE_INDEX, AREF (spec, FONT_TYPE_INDEX)); |
1d1e1245 | 3136 | pixel_size = font_pixel_size (f, spec); |
dbc05432 | 3137 | if (pixel_size == 0 && INTEGERP (attrs[LFACE_HEIGHT_INDEX])) |
1d1e1245 KH |
3138 | { |
3139 | double pt = XINT (attrs[LFACE_HEIGHT_INDEX]); | |
3140 | ||
42143acd | 3141 | pixel_size = POINT_TO_PIXEL (pt / 10, FRAME_RES_Y (f)); |
8bd722db KH |
3142 | if (pixel_size < 1) |
3143 | pixel_size = 1; | |
1d1e1245 | 3144 | } |
4007dd1c KH |
3145 | ASET (work, FONT_SIZE_INDEX, Qnil); |
3146 | foundry[0] = AREF (work, FONT_FOUNDRY_INDEX); | |
3147 | if (! NILP (foundry[0])) | |
9730daca | 3148 | foundry[1] = zero_vector; |
4007dd1c KH |
3149 | else if (STRINGP (attrs[LFACE_FOUNDRY_INDEX])) |
3150 | { | |
071132a9 | 3151 | val = attrs[LFACE_FOUNDRY_INDEX]; |
51b59d79 | 3152 | foundry[0] = font_intern_prop (SSDATA (val), SBYTES (val), 1); |
4007dd1c | 3153 | foundry[1] = Qnil; |
9730daca | 3154 | foundry[2] = zero_vector; |
4007dd1c KH |
3155 | } |
3156 | else | |
9730daca | 3157 | foundry[0] = Qnil, foundry[1] = zero_vector; |
4007dd1c | 3158 | |
22459668 KH |
3159 | adstyle[0] = AREF (work, FONT_ADSTYLE_INDEX); |
3160 | if (! NILP (adstyle[0])) | |
9730daca | 3161 | adstyle[1] = zero_vector; |
22459668 KH |
3162 | else if (FONTP (attrs[LFACE_FONT_INDEX])) |
3163 | { | |
3164 | Lisp_Object face_font = attrs[LFACE_FONT_INDEX]; | |
3165 | ||
3166 | if (! NILP (AREF (face_font, FONT_ADSTYLE_INDEX))) | |
3167 | { | |
3168 | adstyle[0] = AREF (face_font, FONT_ADSTYLE_INDEX); | |
3169 | adstyle[1] = Qnil; | |
9730daca | 3170 | adstyle[2] = zero_vector; |
22459668 KH |
3171 | } |
3172 | else | |
9730daca | 3173 | adstyle[0] = Qnil, adstyle[1] = zero_vector; |
22459668 KH |
3174 | } |
3175 | else | |
9730daca | 3176 | adstyle[0] = Qnil, adstyle[1] = zero_vector; |
22459668 KH |
3177 | |
3178 | ||
4007dd1c KH |
3179 | val = AREF (work, FONT_FAMILY_INDEX); |
3180 | if (NILP (val) && STRINGP (attrs[LFACE_FAMILY_INDEX])) | |
071132a9 KH |
3181 | { |
3182 | val = attrs[LFACE_FAMILY_INDEX]; | |
51b59d79 | 3183 | val = font_intern_prop (SSDATA (val), SBYTES (val), 1); |
071132a9 | 3184 | } |
4007dd1c KH |
3185 | if (NILP (val)) |
3186 | { | |
3187 | family = alloca ((sizeof family[0]) * 2); | |
3188 | family[0] = Qnil; | |
9730daca | 3189 | family[1] = zero_vector; /* terminator. */ |
4007dd1c KH |
3190 | } |
3191 | else | |
3192 | { | |
3193 | Lisp_Object alters | |
b6e64c41 | 3194 | = Fassoc_string (val, Vface_alternative_font_family_alist, Qt); |
4007dd1c KH |
3195 | |
3196 | if (! NILP (alters)) | |
3197 | { | |
d311d28c PE |
3198 | EMACS_INT alterslen = XFASTINT (Flength (alters)); |
3199 | SAFE_ALLOCA_LISP (family, alterslen + 2); | |
4007dd1c KH |
3200 | for (i = 0; CONSP (alters); i++, alters = XCDR (alters)) |
3201 | family[i] = XCAR (alters); | |
3202 | if (NILP (AREF (spec, FONT_FAMILY_INDEX))) | |
3203 | family[i++] = Qnil; | |
9730daca | 3204 | family[i] = zero_vector; |
4007dd1c KH |
3205 | } |
3206 | else | |
3207 | { | |
3208 | family = alloca ((sizeof family[0]) * 3); | |
3209 | i = 0; | |
3210 | family[i++] = val; | |
3211 | if (NILP (AREF (spec, FONT_FAMILY_INDEX))) | |
3212 | family[i++] = Qnil; | |
9730daca | 3213 | family[i] = zero_vector; |
4007dd1c KH |
3214 | } |
3215 | } | |
3216 | ||
d0a47776 | 3217 | for (i = 0; SYMBOLP (family[i]); i++) |
4007dd1c | 3218 | { |
d0a47776 KH |
3219 | ASET (work, FONT_FAMILY_INDEX, family[i]); |
3220 | for (j = 0; SYMBOLP (foundry[j]); j++) | |
4007dd1c | 3221 | { |
d0a47776 KH |
3222 | ASET (work, FONT_FOUNDRY_INDEX, foundry[j]); |
3223 | for (k = 0; SYMBOLP (registry[k]); k++) | |
3224 | { | |
904a2e0e | 3225 | ASET (work, FONT_REGISTRY_INDEX, registry[k]); |
22459668 KH |
3226 | for (l = 0; SYMBOLP (adstyle[l]); l++) |
3227 | { | |
3228 | ASET (work, FONT_ADSTYLE_INDEX, adstyle[l]); | |
fdb396e2 | 3229 | entities = font_list_entities (f, work); |
72d36834 | 3230 | if (! NILP (entities)) |
988a7ddb | 3231 | { |
fdb396e2 | 3232 | val = font_select_entity (f, entities, |
988a7ddb KH |
3233 | attrs, pixel_size, c); |
3234 | if (! NILP (val)) | |
e8374b39 DA |
3235 | { |
3236 | SAFE_FREE (); | |
3237 | return val; | |
3238 | } | |
988a7ddb | 3239 | } |
22459668 | 3240 | } |
d0a47776 | 3241 | } |
4007dd1c | 3242 | } |
4007dd1c | 3243 | } |
d311d28c PE |
3244 | |
3245 | SAFE_FREE (); | |
d0a47776 | 3246 | return Qnil; |
1701724c | 3247 | } |
45eb10fb KH |
3248 | |
3249 | ||
c2f5bfd6 | 3250 | Lisp_Object |
a10c8269 | 3251 | font_open_for_lface (struct frame *f, Lisp_Object entity, Lisp_Object *attrs, Lisp_Object spec) |
c2f5bfd6 | 3252 | { |
9331887d | 3253 | int size; |
c2f5bfd6 | 3254 | |
4007dd1c KH |
3255 | if (INTEGERP (AREF (entity, FONT_SIZE_INDEX)) |
3256 | && XINT (AREF (entity, FONT_SIZE_INDEX)) > 0) | |
3257 | size = XINT (AREF (entity, FONT_SIZE_INDEX)); | |
733fd013 KH |
3258 | else |
3259 | { | |
7e70a152 KH |
3260 | if (FONT_SPEC_P (spec) && ! NILP (AREF (spec, FONT_SIZE_INDEX))) |
3261 | size = font_pixel_size (f, spec); | |
50b0cd29 CY |
3262 | else |
3263 | { | |
7e70a152 KH |
3264 | double pt; |
3265 | if (INTEGERP (attrs[LFACE_HEIGHT_INDEX])) | |
3266 | pt = XINT (attrs[LFACE_HEIGHT_INDEX]); | |
3267 | else | |
3268 | { | |
3269 | struct face *def = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
3270 | Lisp_Object height = def->lface[LFACE_HEIGHT_INDEX]; | |
3271 | eassert (INTEGERP (height)); | |
3272 | pt = XINT (height); | |
3273 | } | |
733fd013 | 3274 | |
7e70a152 | 3275 | pt /= 10; |
42143acd | 3276 | size = POINT_TO_PIXEL (pt, FRAME_RES_Y (f)); |
ed96cde8 | 3277 | #ifdef HAVE_NS |
7e70a152 KH |
3278 | if (size == 0) |
3279 | { | |
3280 | Lisp_Object ffsize = get_frame_param (f, Qfontsize); | |
42143acd DA |
3281 | size = (NUMBERP (ffsize) |
3282 | ? POINT_TO_PIXEL (XINT (ffsize), FRAME_RES_Y (f)) : 0); | |
7e70a152 | 3283 | } |
ed96cde8 | 3284 | #endif |
7e70a152 KH |
3285 | } |
3286 | size *= font_rescale_ratio (entity); | |
733fd013 | 3287 | } |
7e70a152 | 3288 | |
c2f5bfd6 KH |
3289 | return font_open_entity (f, entity, size); |
3290 | } | |
3291 | ||
45eb10fb | 3292 | |
56dd2d86 EZ |
3293 | /* Find a font that satisfies SPEC and is the best match for |
3294 | face's attributes in ATTRS on FRAME, and return the opened | |
35027d0c | 3295 | font-object. */ |
45eb10fb | 3296 | |
35027d0c | 3297 | Lisp_Object |
a10c8269 | 3298 | font_load_for_lface (struct frame *f, Lisp_Object *attrs, Lisp_Object spec) |
c2f5bfd6 | 3299 | { |
637fa988 | 3300 | Lisp_Object entity, name; |
ef18374f | 3301 | |
908567ef | 3302 | entity = font_find_for_lface (f, attrs, spec, -1); |
35027d0c | 3303 | if (NILP (entity)) |
ef18374f | 3304 | { |
35027d0c | 3305 | /* No font is listed for SPEC, but each font-backend may have |
56dd2d86 | 3306 | different criteria about "font matching". So, try it. */ |
35027d0c KH |
3307 | entity = font_matching_entity (f, attrs, spec); |
3308 | if (NILP (entity)) | |
3309 | return Qnil; | |
c2f5bfd6 | 3310 | } |
537b04b9 | 3311 | /* Don't lose the original name that was put in initially. We need |
637fa988 JD |
3312 | it to re-apply the font when font parameters (like hinting or dpi) have |
3313 | changed. */ | |
3314 | entity = font_open_for_lface (f, entity, attrs, spec); | |
8096a0ff YM |
3315 | if (!NILP (entity)) |
3316 | { | |
42707278 JD |
3317 | name = Ffont_get (spec, QCuser_spec); |
3318 | if (STRINGP (name)) font_put_extra (entity, QCuser_spec, name); | |
8096a0ff | 3319 | } |
637fa988 | 3320 | return entity; |
c2f5bfd6 KH |
3321 | } |
3322 | ||
45eb10fb KH |
3323 | |
3324 | /* Make FACE on frame F ready to use the font opened for FACE. */ | |
3325 | ||
c2f5bfd6 | 3326 | void |
a10c8269 | 3327 | font_prepare_for_face (struct frame *f, struct face *face) |
c2f5bfd6 | 3328 | { |
35027d0c KH |
3329 | if (face->font->driver->prepare_face) |
3330 | face->font->driver->prepare_face (f, face); | |
c2f5bfd6 KH |
3331 | } |
3332 | ||
45eb10fb KH |
3333 | |
3334 | /* Make FACE on frame F stop using the font opened for FACE. */ | |
3335 | ||
c2f5bfd6 | 3336 | void |
a10c8269 | 3337 | font_done_for_face (struct frame *f, struct face *face) |
c2f5bfd6 | 3338 | { |
35027d0c KH |
3339 | if (face->font->driver->done_face) |
3340 | face->font->driver->done_face (f, face); | |
c2f5bfd6 KH |
3341 | } |
3342 | ||
45eb10fb | 3343 | |
56dd2d86 | 3344 | /* Open a font that is a match for font-spec SPEC on frame F. If no proper |
c50b7e98 | 3345 | font is found, return Qnil. */ |
45eb10fb | 3346 | |
c2f5bfd6 | 3347 | Lisp_Object |
a10c8269 | 3348 | font_open_by_spec (struct frame *f, Lisp_Object spec) |
c2f5bfd6 | 3349 | { |
c50b7e98 | 3350 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; |
a9262bb8 | 3351 | |
4007dd1c KH |
3352 | /* We set up the default font-related attributes of a face to prefer |
3353 | a moderate font. */ | |
3354 | attrs[LFACE_FAMILY_INDEX] = attrs[LFACE_FOUNDRY_INDEX] = Qnil; | |
3355 | attrs[LFACE_SWIDTH_INDEX] = attrs[LFACE_WEIGHT_INDEX] | |
3356 | = attrs[LFACE_SLANT_INDEX] = Qnormal; | |
ed96cde8 | 3357 | #ifndef HAVE_NS |
4007dd1c | 3358 | attrs[LFACE_HEIGHT_INDEX] = make_number (120); |
ed96cde8 AR |
3359 | #else |
3360 | attrs[LFACE_HEIGHT_INDEX] = make_number (0); | |
3361 | #endif | |
4007dd1c KH |
3362 | attrs[LFACE_FONT_INDEX] = Qnil; |
3363 | ||
3364 | return font_load_for_lface (f, attrs, spec); | |
c2f5bfd6 KH |
3365 | } |
3366 | ||
3367 | ||
56dd2d86 | 3368 | /* Open a font that matches NAME on frame F. If no proper font is |
c50b7e98 KH |
3369 | found, return Qnil. */ |
3370 | ||
3371 | Lisp_Object | |
a10c8269 | 3372 | font_open_by_name (struct frame *f, Lisp_Object name) |
c50b7e98 KH |
3373 | { |
3374 | Lisp_Object args[2]; | |
581e51e8 | 3375 | Lisp_Object spec, ret; |
c50b7e98 KH |
3376 | |
3377 | args[0] = QCname; | |
d7ea76b4 | 3378 | args[1] = name; |
c50b7e98 | 3379 | spec = Ffont_spec (2, args); |
581e51e8 | 3380 | ret = font_open_by_spec (f, spec); |
537b04b9 | 3381 | /* Do not lose name originally put in. */ |
8096a0ff | 3382 | if (!NILP (ret)) |
42707278 | 3383 | font_put_extra (ret, QCuser_spec, args[1]); |
581e51e8 JD |
3384 | |
3385 | return ret; | |
c50b7e98 KH |
3386 | } |
3387 | ||
3388 | ||
c2f5bfd6 KH |
3389 | /* Register font-driver DRIVER. This function is used in two ways. |
3390 | ||
417a1b10 | 3391 | The first is with frame F non-NULL. In this case, make DRIVER |
56dd2d86 | 3392 | available (but not yet activated) on F. All frame creators |
417a1b10 KH |
3393 | (e.g. Fx_create_frame) must call this function at least once with |
3394 | an available font-driver. | |
c2f5bfd6 KH |
3395 | |
3396 | The second is with frame F NULL. In this case, DRIVER is globally | |
3397 | registered in the variable `font_driver_list'. All font-driver | |
3398 | implementations must call this function in its syms_of_XXXX | |
3399 | (e.g. syms_of_xfont). */ | |
3400 | ||
3401 | void | |
a10c8269 | 3402 | register_font_driver (struct font_driver *driver, struct frame *f) |
c2f5bfd6 KH |
3403 | { |
3404 | struct font_driver_list *root = f ? f->font_driver_list : font_driver_list; | |
3405 | struct font_driver_list *prev, *list; | |
3406 | ||
257b3b03 | 3407 | #ifdef HAVE_WINDOW_SYSTEM |
c2f5bfd6 | 3408 | if (f && ! driver->draw) |
43a1d19b | 3409 | error ("Unusable font driver for a frame: %s", |
c2f5bfd6 | 3410 | SDATA (SYMBOL_NAME (driver->type))); |
257b3b03 | 3411 | #endif /* HAVE_WINDOW_SYSTEM */ |
c2f5bfd6 KH |
3412 | |
3413 | for (prev = NULL, list = root; list; prev = list, list = list->next) | |
cf23b845 | 3414 | if (EQ (list->driver->type, driver->type)) |
c2f5bfd6 KH |
3415 | error ("Duplicated font driver: %s", SDATA (SYMBOL_NAME (driver->type))); |
3416 | ||
38182d90 | 3417 | list = xmalloc (sizeof *list); |
417a1b10 | 3418 | list->on = 0; |
c2f5bfd6 KH |
3419 | list->driver = driver; |
3420 | list->next = NULL; | |
3421 | if (prev) | |
3422 | prev->next = list; | |
3423 | else if (f) | |
3424 | f->font_driver_list = list; | |
3425 | else | |
3426 | font_driver_list = list; | |
72606e45 KH |
3427 | if (! f) |
3428 | num_font_drivers++; | |
c2f5bfd6 KH |
3429 | } |
3430 | ||
2ed98482 | 3431 | void |
a10c8269 | 3432 | free_font_driver_list (struct frame *f) |
2ed98482 CY |
3433 | { |
3434 | struct font_driver_list *list, *next; | |
3435 | ||
3436 | for (list = f->font_driver_list; list; list = next) | |
3437 | { | |
3438 | next = list->next; | |
3439 | xfree (list); | |
3440 | } | |
3441 | f->font_driver_list = NULL; | |
3442 | } | |
3443 | ||
45eb10fb | 3444 | |
f697fff0 | 3445 | /* Make the frame F use font backends listed in NEW_DRIVERS (list of |
ca4da08a KH |
3446 | symbols, e.g. xft, x). If NEW_DRIVERS is t, make F use all |
3447 | available font drivers. If NEW_DRIVERS is nil, finalize all drivers. | |
417a1b10 | 3448 | |
ca4da08a KH |
3449 | A caller must free all realized faces if any in advance. The |
3450 | return value is a list of font backends actually made used on | |
3451 | F. */ | |
e950d6f1 KH |
3452 | |
3453 | Lisp_Object | |
a10c8269 | 3454 | font_update_drivers (struct frame *f, Lisp_Object new_drivers) |
417a1b10 KH |
3455 | { |
3456 | Lisp_Object active_drivers = Qnil; | |
417a1b10 KH |
3457 | struct font_driver_list *list; |
3458 | ||
4007dd1c KH |
3459 | /* At first, turn off non-requested drivers, and turn on requested |
3460 | drivers. */ | |
f697fff0 | 3461 | for (list = f->font_driver_list; list; list = list->next) |
4007dd1c | 3462 | { |
13a547c6 | 3463 | struct font_driver *driver = list->driver; |
4007dd1c KH |
3464 | if ((EQ (new_drivers, Qt) || ! NILP (Fmemq (driver->type, new_drivers))) |
3465 | != list->on) | |
3466 | { | |
3467 | if (list->on) | |
3468 | { | |
3469 | if (driver->end_for_frame) | |
3470 | driver->end_for_frame (f); | |
3471 | font_finish_cache (f, driver); | |
3472 | list->on = 0; | |
3473 | } | |
3474 | else | |
3475 | { | |
3476 | if (! driver->start_for_frame | |
3477 | || driver->start_for_frame (f) == 0) | |
3478 | { | |
3479 | font_prepare_cache (f, driver); | |
3480 | list->on = 1; | |
3481 | } | |
3482 | } | |
3483 | } | |
3484 | } | |
3485 | ||
3486 | if (NILP (new_drivers)) | |
3487 | return Qnil; | |
3488 | ||
3489 | if (! EQ (new_drivers, Qt)) | |
3490 | { | |
3491 | /* Re-order the driver list according to new_drivers. */ | |
3306c6dc | 3492 | struct font_driver_list **list_table, **next; |
4007dd1c KH |
3493 | Lisp_Object tail; |
3494 | int i; | |
3495 | ||
3496 | list_table = alloca (sizeof list_table[0] * (num_font_drivers + 1)); | |
3497 | for (i = 0, tail = new_drivers; ! NILP (tail); tail = XCDR (tail)) | |
3498 | { | |
3499 | for (list = f->font_driver_list; list; list = list->next) | |
3500 | if (list->on && EQ (list->driver->type, XCAR (tail))) | |
3501 | break; | |
3502 | if (list) | |
3503 | list_table[i++] = list; | |
3504 | } | |
3505 | for (list = f->font_driver_list; list; list = list->next) | |
3506 | if (! list->on) | |
6136b72f | 3507 | list_table[i++] = list; |
4007dd1c KH |
3508 | list_table[i] = NULL; |
3509 | ||
3306c6dc | 3510 | next = &f->font_driver_list; |
4007dd1c KH |
3511 | for (i = 0; list_table[i]; i++) |
3512 | { | |
3306c6dc AS |
3513 | *next = list_table[i]; |
3514 | next = &(*next)->next; | |
4007dd1c | 3515 | } |
3306c6dc | 3516 | *next = NULL; |
ba98e3a0 SM |
3517 | |
3518 | if (! f->font_driver_list->on) | |
3519 | { /* None of the drivers is enabled: enable them all. | |
3520 | Happens if you set the list of drivers to (xft x) in your .emacs | |
3521 | and then use it under w32 or ns. */ | |
3522 | for (list = f->font_driver_list; list; list = list->next) | |
3523 | { | |
3524 | struct font_driver *driver = list->driver; | |
3525 | eassert (! list->on); | |
3526 | if (! driver->start_for_frame | |
3527 | || driver->start_for_frame (f) == 0) | |
3528 | { | |
3529 | font_prepare_cache (f, driver); | |
3530 | list->on = 1; | |
3531 | } | |
3532 | } | |
3533 | } | |
4007dd1c | 3534 | } |
417a1b10 | 3535 | |
4007dd1c KH |
3536 | for (list = f->font_driver_list; list; list = list->next) |
3537 | if (list->on) | |
6c6f1994 | 3538 | active_drivers = nconc2 (active_drivers, list1 (list->driver->type)); |
e950d6f1 | 3539 | return active_drivers; |
417a1b10 KH |
3540 | } |
3541 | ||
f697fff0 | 3542 | int |
a10c8269 | 3543 | font_put_frame_data (struct frame *f, struct font_driver *driver, void *data) |
f697fff0 KH |
3544 | { |
3545 | struct font_data_list *list, *prev; | |
3546 | ||
3547 | for (prev = NULL, list = f->font_data_list; list; | |
3548 | prev = list, list = list->next) | |
3549 | if (list->driver == driver) | |
3550 | break; | |
3551 | if (! data) | |
3552 | { | |
3553 | if (list) | |
3554 | { | |
3555 | if (prev) | |
3556 | prev->next = list->next; | |
3557 | else | |
3558 | f->font_data_list = list->next; | |
973e7849 | 3559 | xfree (list); |
f697fff0 KH |
3560 | } |
3561 | return 0; | |
3562 | } | |
3563 | ||
3564 | if (! list) | |
3565 | { | |
38182d90 | 3566 | list = xmalloc (sizeof *list); |
f697fff0 KH |
3567 | list->driver = driver; |
3568 | list->next = f->font_data_list; | |
3569 | f->font_data_list = list; | |
3570 | } | |
3571 | list->data = data; | |
3572 | return 0; | |
3573 | } | |
3574 | ||
3575 | ||
3576 | void * | |
a10c8269 | 3577 | font_get_frame_data (struct frame *f, struct font_driver *driver) |
f697fff0 KH |
3578 | { |
3579 | struct font_data_list *list; | |
3580 | ||
3581 | for (list = f->font_data_list; list; list = list->next) | |
3582 | if (list->driver == driver) | |
3583 | break; | |
3584 | if (! list) | |
3585 | return NULL; | |
3586 | return list->data; | |
3587 | } | |
3588 | ||
417a1b10 | 3589 | |
9fa82824 DP |
3590 | /* Sets attributes on a font. Any properties that appear in ALIST and |
3591 | BOOLEAN_PROPERTIES or NON_BOOLEAN_PROPERTIES are set on the font. | |
3592 | BOOLEAN_PROPERTIES and NON_BOOLEAN_PROPERTIES are NULL-terminated | |
3593 | arrays of strings. This function is intended for use by the font | |
3594 | drivers to implement their specific font_filter_properties. */ | |
3595 | void | |
220d91b8 JB |
3596 | font_filter_properties (Lisp_Object font, |
3597 | Lisp_Object alist, | |
3106121c YM |
3598 | const char *const boolean_properties[], |
3599 | const char *const non_boolean_properties[]) | |
9fa82824 DP |
3600 | { |
3601 | Lisp_Object it; | |
3602 | int i; | |
3603 | ||
266fee4f | 3604 | /* Set boolean values to Qt or Qnil. */ |
9fa82824 DP |
3605 | for (i = 0; boolean_properties[i] != NULL; ++i) |
3606 | for (it = alist; ! NILP (it); it = XCDR (it)) | |
3607 | { | |
3608 | Lisp_Object key = XCAR (XCAR (it)); | |
3609 | Lisp_Object val = XCDR (XCAR (it)); | |
42a5b22f | 3610 | char *keystr = SSDATA (SYMBOL_NAME (key)); |
9fa82824 DP |
3611 | |
3612 | if (strcmp (boolean_properties[i], keystr) == 0) | |
3613 | { | |
3614 | const char *str = INTEGERP (val) ? (XINT (val) ? "true" : "false") | |
51b59d79 | 3615 | : SYMBOLP (val) ? SSDATA (SYMBOL_NAME (val)) |
9fa82824 DP |
3616 | : "true"; |
3617 | ||
3618 | if (strcmp ("false", str) == 0 || strcmp ("False", str) == 0 | |
3619 | || strcmp ("FALSE", str) == 0 || strcmp ("FcFalse", str) == 0 | |
3620 | || strcmp ("off", str) == 0 || strcmp ("OFF", str) == 0 | |
3621 | || strcmp ("Off", str) == 0) | |
3622 | val = Qnil; | |
3623 | else | |
3624 | val = Qt; | |
3625 | ||
3626 | Ffont_put (font, key, val); | |
3627 | } | |
3628 | } | |
3629 | ||
3630 | for (i = 0; non_boolean_properties[i] != NULL; ++i) | |
3631 | for (it = alist; ! NILP (it); it = XCDR (it)) | |
3632 | { | |
3633 | Lisp_Object key = XCAR (XCAR (it)); | |
3634 | Lisp_Object val = XCDR (XCAR (it)); | |
42a5b22f | 3635 | char *keystr = SSDATA (SYMBOL_NAME (key)); |
9fa82824 DP |
3636 | if (strcmp (non_boolean_properties[i], keystr) == 0) |
3637 | Ffont_put (font, key, val); | |
3638 | } | |
3639 | } | |
3640 | ||
3641 | ||
45eb10fb | 3642 | /* Return the font used to draw character C by FACE at buffer position |
e3ee0340 KH |
3643 | POS in window W. If STRING is non-nil, it is a string containing C |
3644 | at index POS. If C is negative, get C from the current buffer or | |
3645 | STRING. */ | |
45eb10fb | 3646 | |
2f7c71a1 | 3647 | static Lisp_Object |
d311d28c | 3648 | font_at (int c, ptrdiff_t pos, struct face *face, struct window *w, |
2f7c71a1 | 3649 | Lisp_Object string) |
10d16101 | 3650 | { |
a10c8269 | 3651 | struct frame *f; |
a864ef14 | 3652 | bool multibyte; |
35027d0c | 3653 | Lisp_Object font_object; |
e3ee0340 | 3654 | |
e500c47d | 3655 | multibyte = (NILP (string) |
4b4deea2 | 3656 | ? ! NILP (BVAR (current_buffer, enable_multibyte_characters)) |
e500c47d | 3657 | : STRING_MULTIBYTE (string)); |
e3ee0340 KH |
3658 | if (c < 0) |
3659 | { | |
3660 | if (NILP (string)) | |
3661 | { | |
e3ee0340 KH |
3662 | if (multibyte) |
3663 | { | |
d311d28c | 3664 | ptrdiff_t pos_byte = CHAR_TO_BYTE (pos); |
e3ee0340 KH |
3665 | |
3666 | c = FETCH_CHAR (pos_byte); | |
3667 | } | |
3668 | else | |
3669 | c = FETCH_BYTE (pos); | |
3670 | } | |
3671 | else | |
3672 | { | |
3673 | unsigned char *str; | |
3674 | ||
3675 | multibyte = STRING_MULTIBYTE (string); | |
3676 | if (multibyte) | |
3677 | { | |
d311d28c | 3678 | ptrdiff_t pos_byte = string_char_to_byte (string, pos); |
e3ee0340 KH |
3679 | |
3680 | str = SDATA (string) + pos_byte; | |
62a6e103 | 3681 | c = STRING_CHAR (str); |
e3ee0340 KH |
3682 | } |
3683 | else | |
3684 | c = SDATA (string)[pos]; | |
3685 | } | |
3686 | } | |
10d16101 | 3687 | |
d3d50620 | 3688 | f = XFRAME (w->frame); |
1385a806 KH |
3689 | if (! FRAME_WINDOW_P (f)) |
3690 | return Qnil; | |
10d16101 KH |
3691 | if (! face) |
3692 | { | |
e3ee0340 | 3693 | int face_id; |
d311d28c | 3694 | ptrdiff_t endptr; |
e3ee0340 KH |
3695 | |
3696 | if (STRINGP (string)) | |
3472b6c6 | 3697 | face_id = face_at_string_position (w, string, pos, 0, &endptr, |
10d16101 KH |
3698 | DEFAULT_FACE_ID, 0); |
3699 | else | |
3472b6c6 | 3700 | face_id = face_at_buffer_position (w, pos, &endptr, |
6970f632 | 3701 | pos + 100, 0, -1); |
10d16101 KH |
3702 | face = FACE_FROM_ID (f, face_id); |
3703 | } | |
e3ee0340 KH |
3704 | if (multibyte) |
3705 | { | |
3706 | int face_id = FACE_FOR_CHAR (f, face, c, pos, string); | |
3707 | face = FACE_FROM_ID (f, face_id); | |
3708 | } | |
35027d0c | 3709 | if (! face->font) |
10d16101 | 3710 | return Qnil; |
35027d0c | 3711 | |
35027d0c KH |
3712 | XSETFONT (font_object, face->font); |
3713 | return font_object; | |
3714 | } | |
3715 | ||
3716 | ||
071132a9 KH |
3717 | #ifdef HAVE_WINDOW_SYSTEM |
3718 | ||
5a655b9f DA |
3719 | /* Check how many characters after character/byte position POS/POS_BYTE |
3720 | (at most to *LIMIT) can be displayed by the same font in the window W. | |
3721 | FACE, if non-NULL, is the face selected for the character at POS. | |
3722 | If STRING is not nil, it is the string to check instead of the current | |
3723 | buffer. In that case, FACE must be not NULL. | |
027a33c0 | 3724 | |
071132a9 KH |
3725 | The return value is the font-object for the character at POS. |
3726 | *LIMIT is set to the position where that font can't be used. | |
35027d0c | 3727 | |
071132a9 KH |
3728 | It is assured that the current buffer (or STRING) is multibyte. */ |
3729 | ||
3730 | Lisp_Object | |
5a655b9f DA |
3731 | font_range (ptrdiff_t pos, ptrdiff_t pos_byte, ptrdiff_t *limit, |
3732 | struct window *w, struct face *face, Lisp_Object string) | |
35027d0c | 3733 | { |
5a655b9f | 3734 | ptrdiff_t ignore; |
35027d0c | 3735 | int c; |
071132a9 | 3736 | Lisp_Object font_object = Qnil; |
35027d0c KH |
3737 | |
3738 | if (NILP (string)) | |
3739 | { | |
071132a9 KH |
3740 | if (! face) |
3741 | { | |
3742 | int face_id; | |
3743 | ||
3472b6c6 | 3744 | face_id = face_at_buffer_position (w, pos, &ignore, |
6970f632 | 3745 | *limit, 0, -1); |
d3d50620 | 3746 | face = FACE_FROM_ID (XFRAME (w->frame), face_id); |
071132a9 | 3747 | } |
35027d0c KH |
3748 | } |
3749 | else | |
5a655b9f | 3750 | eassert (face); |
35027d0c | 3751 | |
071132a9 | 3752 | while (pos < *limit) |
35027d0c | 3753 | { |
071132a9 | 3754 | Lisp_Object category; |
35027d0c KH |
3755 | |
3756 | if (NILP (string)) | |
3757 | FETCH_CHAR_ADVANCE_NO_CHECK (c, pos, pos_byte); | |
3758 | else | |
3759 | FETCH_STRING_CHAR_ADVANCE_NO_CHECK (c, string, pos, pos_byte); | |
0e5d7800 | 3760 | category = CHAR_TABLE_REF (Vunicode_category_table, c); |
c805dec0 KH |
3761 | if (INTEGERP (category) |
3762 | && (XINT (category) == UNICODE_CATEGORY_Cf | |
3763 | || CHAR_VARIATION_SELECTOR_P (c))) | |
0e5d7800 | 3764 | continue; |
071132a9 | 3765 | if (NILP (font_object)) |
35027d0c | 3766 | { |
071132a9 KH |
3767 | font_object = font_for_char (face, c, pos - 1, string); |
3768 | if (NILP (font_object)) | |
3769 | return Qnil; | |
35027d0c KH |
3770 | continue; |
3771 | } | |
0e5d7800 KH |
3772 | if (font_encode_char (font_object, c) == FONT_INVALID_CODE) |
3773 | *limit = pos - 1; | |
35027d0c | 3774 | } |
071132a9 | 3775 | return font_object; |
10d16101 | 3776 | } |
071132a9 | 3777 | #endif |
10d16101 | 3778 | |
c2f5bfd6 | 3779 | \f |
266fee4f | 3780 | /* Lisp API. */ |
c2f5bfd6 | 3781 | |
35027d0c | 3782 | DEFUN ("fontp", Ffontp, Sfontp, 1, 2, 0, |
6c8ec042 | 3783 | doc: /* Return t if OBJECT is a font-spec, font-entity, or font-object. |
35027d0c KH |
3784 | Return nil otherwise. |
3785 | Optional 2nd argument EXTRA-TYPE, if non-nil, specifies to check | |
027a33c0 | 3786 | which kind of font it is. It must be one of `font-spec', `font-entity', |
35027d0c | 3787 | `font-object'. */) |
5842a27b | 3788 | (Lisp_Object object, Lisp_Object extra_type) |
c2f5bfd6 | 3789 | { |
35027d0c KH |
3790 | if (NILP (extra_type)) |
3791 | return (FONTP (object) ? Qt : Qnil); | |
3792 | if (EQ (extra_type, Qfont_spec)) | |
3793 | return (FONT_SPEC_P (object) ? Qt : Qnil); | |
3794 | if (EQ (extra_type, Qfont_entity)) | |
3795 | return (FONT_ENTITY_P (object) ? Qt : Qnil); | |
3796 | if (EQ (extra_type, Qfont_object)) | |
3797 | return (FONT_OBJECT_P (object) ? Qt : Qnil); | |
3798 | wrong_type_argument (intern ("font-extra-type"), extra_type); | |
c2f5bfd6 KH |
3799 | } |
3800 | ||
a7ca3326 | 3801 | DEFUN ("font-spec", Ffont_spec, Sfont_spec, 0, MANY, 0, |
45eb10fb KH |
3802 | doc: /* Return a newly created font-spec with arguments as properties. |
3803 | ||
3804 | ARGS must come in pairs KEY VALUE of font properties. KEY must be a | |
3805 | valid font property name listed below: | |
3806 | ||
3807 | `:family', `:weight', `:slant', `:width' | |
3808 | ||
3809 | They are the same as face attributes of the same name. See | |
51c01100 | 3810 | `set-face-attribute'. |
45eb10fb KH |
3811 | |
3812 | `:foundry' | |
3813 | ||
3814 | VALUE must be a string or a symbol specifying the font foundry, e.g. ``misc''. | |
3815 | ||
3816 | `:adstyle' | |
3817 | ||
3818 | VALUE must be a string or a symbol specifying the additional | |
35027d0c | 3819 | typographic style information of a font, e.g. ``sans''. |
45eb10fb KH |
3820 | |
3821 | `:registry' | |
3822 | ||
3823 | VALUE must be a string or a symbol specifying the charset registry and | |
3824 | encoding of a font, e.g. ``iso8859-1''. | |
3825 | ||
3826 | `:size' | |
3827 | ||
3828 | VALUE must be a non-negative integer or a floating point number | |
c423ecca KH |
3829 | specifying the font size. It specifies the font size in pixels (if |
3830 | VALUE is an integer), or in points (if VALUE is a float). | |
2babb359 KH |
3831 | |
3832 | `:name' | |
3833 | ||
7a18a178 | 3834 | VALUE must be a string of XLFD-style or fontconfig-style font name. |
5bdd4dd2 KH |
3835 | |
3836 | `:script' | |
3837 | ||
3838 | VALUE must be a symbol representing a script that the font must | |
209f39ac KH |
3839 | support. It may be a symbol representing a subgroup of a script |
3840 | listed in the variable `script-representative-chars'. | |
c423ecca KH |
3841 | |
3842 | `:lang' | |
3843 | ||
3844 | VALUE must be a symbol of two-letter ISO-639 language names, | |
3845 | e.g. `ja'. | |
3846 | ||
3847 | `:otf' | |
3848 | ||
3849 | VALUE must be a list (SCRIPT-TAG LANGSYS-TAG GSUB [ GPOS ]) to specify | |
3850 | required OpenType features. | |
3851 | ||
3852 | SCRIPT-TAG: OpenType script tag symbol (e.g. `deva'). | |
3853 | LANGSYS-TAG: OpenType language system tag symbol, | |
3854 | or nil for the default language system. | |
3855 | GSUB: List of OpenType GSUB feature tag symbols, or nil if none required. | |
3856 | GPOS: List of OpenType GPOS feature tag symbols, or nil if none required. | |
3857 | ||
3858 | GSUB and GPOS may contain `nil' element. In such a case, the font | |
3859 | must not have any of the remaining elements. | |
3860 | ||
3861 | For instance, if the VALUE is `(thai nil nil (mark))', the font must | |
56dd2d86 | 3862 | be an OpenType font whose GPOS table of `thai' script's default |
c423ecca KH |
3863 | language system must contain `mark' feature. |
3864 | ||
ba3de0e8 | 3865 | usage: (font-spec ARGS...) */) |
f66c7cf8 | 3866 | (ptrdiff_t nargs, Lisp_Object *args) |
c2f5bfd6 | 3867 | { |
35027d0c | 3868 | Lisp_Object spec = font_make_spec (); |
f66c7cf8 | 3869 | ptrdiff_t i; |
c2f5bfd6 KH |
3870 | |
3871 | for (i = 0; i < nargs; i += 2) | |
3872 | { | |
cccd42d5 KH |
3873 | Lisp_Object key = args[i], val; |
3874 | ||
3875 | CHECK_SYMBOL (key); | |
3876 | if (i + 1 >= nargs) | |
3877 | error ("No value for key `%s'", SDATA (SYMBOL_NAME (key))); | |
3878 | val = args[i + 1]; | |
c2f5bfd6 | 3879 | |
35027d0c KH |
3880 | if (EQ (key, QCname)) |
3881 | { | |
3882 | CHECK_STRING (val); | |
3c542890 KH |
3883 | if (font_parse_name (SSDATA (val), SBYTES (val), spec) < 0) |
3884 | error ("Invalid font name: %s", SSDATA (val)); | |
35027d0c KH |
3885 | font_put_extra (spec, key, val); |
3886 | } | |
c2f5bfd6 | 3887 | else |
4485a28e | 3888 | { |
35027d0c KH |
3889 | int idx = get_font_prop_index (key); |
3890 | ||
3891 | if (idx >= 0) | |
ec6fe57c | 3892 | { |
35027d0c KH |
3893 | val = font_prop_validate (idx, Qnil, val); |
3894 | if (idx < FONT_EXTRA_INDEX) | |
3895 | ASET (spec, idx, val); | |
3896 | else | |
3897 | font_put_extra (spec, key, val); | |
ec6fe57c | 3898 | } |
35027d0c KH |
3899 | else |
3900 | font_put_extra (spec, key, font_prop_validate (0, key, val)); | |
4485a28e | 3901 | } |
e950d6f1 | 3902 | } |
c2f5bfd6 KH |
3903 | return spec; |
3904 | } | |
3905 | ||
92470028 PE |
3906 | /* Return a copy of FONT as a font-spec. */ |
3907 | Lisp_Object | |
3908 | copy_font_spec (Lisp_Object font) | |
35027d0c | 3909 | { |
d26424c5 | 3910 | Lisp_Object new_spec, tail, prev, extra; |
35027d0c KH |
3911 | int i; |
3912 | ||
3913 | CHECK_FONT (font); | |
3914 | new_spec = font_make_spec (); | |
3915 | for (i = 1; i < FONT_EXTRA_INDEX; i++) | |
3916 | ASET (new_spec, i, AREF (font, i)); | |
581e51e8 | 3917 | extra = Fcopy_alist (AREF (font, FONT_EXTRA_INDEX)); |
d26424c5 KH |
3918 | /* We must remove :font-entity property. */ |
3919 | for (prev = Qnil, tail = extra; CONSP (tail); prev = tail, tail = XCDR (tail)) | |
3920 | if (EQ (XCAR (XCAR (tail)), QCfont_entity)) | |
3921 | { | |
3922 | if (NILP (prev)) | |
3923 | extra = XCDR (extra); | |
3924 | else | |
3925 | XSETCDR (prev, XCDR (tail)); | |
3926 | break; | |
3927 | } | |
35027d0c KH |
3928 | ASET (new_spec, FONT_EXTRA_INDEX, extra); |
3929 | return new_spec; | |
3930 | } | |
3931 | ||
92470028 PE |
3932 | /* Merge font-specs FROM and TO, and return a new font-spec. |
3933 | Every specified property in FROM overrides the corresponding | |
3934 | property in TO. */ | |
3935 | Lisp_Object | |
3936 | merge_font_spec (Lisp_Object from, Lisp_Object to) | |
35027d0c KH |
3937 | { |
3938 | Lisp_Object extra, tail; | |
3939 | int i; | |
3940 | ||
3941 | CHECK_FONT (from); | |
3942 | CHECK_FONT (to); | |
92470028 | 3943 | to = copy_font_spec (to); |
35027d0c KH |
3944 | for (i = 0; i < FONT_EXTRA_INDEX; i++) |
3945 | ASET (to, i, AREF (from, i)); | |
3946 | extra = AREF (to, FONT_EXTRA_INDEX); | |
3947 | for (tail = AREF (from, FONT_EXTRA_INDEX); CONSP (tail); tail = XCDR (tail)) | |
3948 | if (! EQ (XCAR (XCAR (tail)), Qfont_entity)) | |
3949 | { | |
3950 | Lisp_Object slot = assq_no_quit (XCAR (XCAR (tail)), extra); | |
3951 | ||
3952 | if (! NILP (slot)) | |
3953 | XSETCDR (slot, XCDR (XCAR (tail))); | |
3954 | else | |
3955 | extra = Fcons (Fcons (XCAR (XCAR (tail)), XCDR (XCAR (tail))), extra); | |
3956 | } | |
3957 | ASET (to, FONT_EXTRA_INDEX, extra); | |
3958 | return to; | |
3959 | } | |
c2f5bfd6 | 3960 | |
a7ca3326 | 3961 | DEFUN ("font-get", Ffont_get, Sfont_get, 2, 2, 0, |
45eb10fb | 3962 | doc: /* Return the value of FONT's property KEY. |
5bdd4dd2 | 3963 | FONT is a font-spec, a font-entity, or a font-object. |
a7840ffb | 3964 | KEY is any symbol, but these are reserved for specific meanings: |
5bdd4dd2 | 3965 | :family, :weight, :slant, :width, :foundry, :adstyle, :registry, |
a7840ffb | 3966 | :size, :name, :script, :otf |
5bdd4dd2 | 3967 | See the documentation of `font-spec' for their meanings. |
a7840ffb KH |
3968 | In addition, if FONT is a font-entity or a font-object, values of |
3969 | :script and :otf are different from those of a font-spec as below: | |
3970 | ||
3971 | The value of :script may be a list of scripts that are supported by the font. | |
3972 | ||
3973 | The value of :otf is a cons (GSUB . GPOS) where GSUB and GPOS are lists | |
3974 | representing the OpenType features supported by the font by this form: | |
3975 | ((SCRIPT (LANGSYS FEATURE ...) ...) ...) | |
3976 | SCRIPT, LANGSYS, and FEATURE are all symbols representing OpenType | |
3977 | Layout tags. */) | |
5842a27b | 3978 | (Lisp_Object font, Lisp_Object key) |
c2f5bfd6 | 3979 | { |
35027d0c | 3980 | int idx; |
a7840ffb | 3981 | Lisp_Object val; |
c2f5bfd6 | 3982 | |
35027d0c KH |
3983 | CHECK_FONT (font); |
3984 | CHECK_SYMBOL (key); | |
e80e09b4 | 3985 | |
35027d0c | 3986 | idx = get_font_prop_index (key); |
2babb359 KH |
3987 | if (idx >= FONT_WEIGHT_INDEX && idx <= FONT_WIDTH_INDEX) |
3988 | return font_style_symbolic (font, idx, 0); | |
35027d0c | 3989 | if (idx >= 0 && idx < FONT_EXTRA_INDEX) |
c2f5bfd6 | 3990 | return AREF (font, idx); |
a7840ffb KH |
3991 | val = Fassq (key, AREF (font, FONT_EXTRA_INDEX)); |
3992 | if (NILP (val) && EQ (key, QCotf) && FONT_OBJECT_P (font)) | |
3993 | { | |
3994 | struct font *fontp = XFONT_OBJECT (font); | |
a7840ffb | 3995 | |
f6c1c771 KH |
3996 | if (fontp->driver->otf_capability) |
3997 | val = fontp->driver->otf_capability (fontp); | |
a7840ffb | 3998 | else |
f6c1c771 | 3999 | val = Fcons (Qnil, Qnil); |
a7840ffb KH |
4000 | } |
4001 | else | |
4002 | val = Fcdr (val); | |
4003 | return val; | |
c2f5bfd6 KH |
4004 | } |
4005 | ||
51cf11be AS |
4006 | #ifdef HAVE_WINDOW_SYSTEM |
4007 | ||
b1868a1a CY |
4008 | DEFUN ("font-face-attributes", Ffont_face_attributes, Sfont_face_attributes, 1, 2, 0, |
4009 | doc: /* Return a plist of face attributes generated by FONT. | |
4010 | FONT is a font name, a font-spec, a font-entity, or a font-object. | |
4011 | The return value is a list of the form | |
4012 | ||
6f568955 | 4013 | \(:family FAMILY :height HEIGHT :weight WEIGHT :slant SLANT :width WIDTH) |
b1868a1a | 4014 | |
48105a6a | 4015 | where FAMILY, HEIGHT, WEIGHT, SLANT, and WIDTH are face attribute values |
5989ba2f CY |
4016 | compatible with `set-face-attribute'. Some of these key-attribute pairs |
4017 | may be omitted from the list if they are not specified by FONT. | |
b1868a1a | 4018 | |
48105a6a JB |
4019 | The optional argument FRAME specifies the frame that the face attributes |
4020 | are to be displayed on. If omitted, the selected frame is used. */) | |
5842a27b | 4021 | (Lisp_Object font, Lisp_Object frame) |
b1868a1a | 4022 | { |
d9f07150 | 4023 | struct frame *f = decode_live_frame (frame); |
b1868a1a CY |
4024 | Lisp_Object plist[10]; |
4025 | Lisp_Object val; | |
5989ba2f | 4026 | int n = 0; |
b1868a1a | 4027 | |
b1868a1a CY |
4028 | if (STRINGP (font)) |
4029 | { | |
4030 | int fontset = fs_query_fontset (font, 0); | |
4031 | Lisp_Object name = font; | |
4032 | if (fontset >= 0) | |
4033 | font = fontset_ascii (fontset); | |
4034 | font = font_spec_from_name (name); | |
4035 | if (! FONTP (font)) | |
4036 | signal_error ("Invalid font name", name); | |
4037 | } | |
4038 | else if (! FONTP (font)) | |
4039 | signal_error ("Invalid font object", font); | |
4040 | ||
b1868a1a | 4041 | val = AREF (font, FONT_FAMILY_INDEX); |
5989ba2f CY |
4042 | if (! NILP (val)) |
4043 | { | |
4044 | plist[n++] = QCfamily; | |
4045 | plist[n++] = SYMBOL_NAME (val); | |
4046 | } | |
b1868a1a | 4047 | |
b1868a1a CY |
4048 | val = AREF (font, FONT_SIZE_INDEX); |
4049 | if (INTEGERP (val)) | |
4050 | { | |
4051 | Lisp_Object font_dpi = AREF (font, FONT_DPI_INDEX); | |
42143acd | 4052 | int dpi = INTEGERP (font_dpi) ? XINT (font_dpi) : FRAME_RES_Y (f); |
5989ba2f | 4053 | plist[n++] = QCheight; |
c3bb5465 | 4054 | plist[n++] = make_number (PIXEL_TO_POINT (XINT (val) * 10, dpi)); |
b1868a1a CY |
4055 | } |
4056 | else if (FLOATP (val)) | |
5989ba2f CY |
4057 | { |
4058 | plist[n++] = QCheight; | |
4059 | plist[n++] = make_number (10 * (int) XFLOAT_DATA (val)); | |
4060 | } | |
b1868a1a | 4061 | |
b1868a1a | 4062 | val = FONT_WEIGHT_FOR_FACE (font); |
5989ba2f CY |
4063 | if (! NILP (val)) |
4064 | { | |
4065 | plist[n++] = QCweight; | |
4066 | plist[n++] = val; | |
4067 | } | |
b1868a1a | 4068 | |
b1868a1a | 4069 | val = FONT_SLANT_FOR_FACE (font); |
5989ba2f CY |
4070 | if (! NILP (val)) |
4071 | { | |
4072 | plist[n++] = QCslant; | |
4073 | plist[n++] = val; | |
4074 | } | |
b1868a1a | 4075 | |
b1868a1a | 4076 | val = FONT_WIDTH_FOR_FACE (font); |
5989ba2f CY |
4077 | if (! NILP (val)) |
4078 | { | |
4079 | plist[n++] = QCwidth; | |
4080 | plist[n++] = val; | |
4081 | } | |
b1868a1a | 4082 | |
5989ba2f | 4083 | return Flist (n, plist); |
b1868a1a | 4084 | } |
c2f5bfd6 | 4085 | |
51cf11be AS |
4086 | #endif |
4087 | ||
a7ca3326 | 4088 | DEFUN ("font-put", Ffont_put, Sfont_put, 3, 3, 0, |
a7840ffb KH |
4089 | doc: /* Set one property of FONT: give property KEY value VAL. |
4090 | FONT is a font-spec, a font-entity, or a font-object. | |
4091 | ||
4092 | If FONT is a font-spec, KEY can be any symbol. But if KEY is the one | |
4093 | accepted by the function `font-spec' (which see), VAL must be what | |
4094 | allowed in `font-spec'. | |
4095 | ||
4096 | If FONT is a font-entity or a font-object, KEY must not be the one | |
4097 | accepted by `font-spec'. */) | |
e1ffae3b | 4098 | (Lisp_Object font, Lisp_Object prop, Lisp_Object val) |
c2f5bfd6 | 4099 | { |
35027d0c | 4100 | int idx; |
c2f5bfd6 | 4101 | |
35027d0c KH |
4102 | idx = get_font_prop_index (prop); |
4103 | if (idx >= 0 && idx < FONT_EXTRA_INDEX) | |
a7840ffb KH |
4104 | { |
4105 | CHECK_FONT_SPEC (font); | |
4106 | ASET (font, idx, font_prop_validate (idx, Qnil, val)); | |
4107 | } | |
c2f5bfd6 | 4108 | else |
a7840ffb KH |
4109 | { |
4110 | if (EQ (prop, QCname) | |
4111 | || EQ (prop, QCscript) | |
4112 | || EQ (prop, QClang) | |
4113 | || EQ (prop, QCotf)) | |
4114 | CHECK_FONT_SPEC (font); | |
4115 | else | |
4116 | CHECK_FONT (font); | |
4117 | font_put_extra (font, prop, font_prop_validate (0, prop, val)); | |
4118 | } | |
c2f5bfd6 KH |
4119 | return val; |
4120 | } | |
4121 | ||
a7ca3326 | 4122 | DEFUN ("list-fonts", Flist_fonts, Slist_fonts, 1, 4, 0, |
c2f5bfd6 KH |
4123 | doc: /* List available fonts matching FONT-SPEC on the current frame. |
4124 | Optional 2nd argument FRAME specifies the target frame. | |
4125 | Optional 3rd argument NUM, if non-nil, limits the number of returned fonts. | |
45eb10fb KH |
4126 | Optional 4th argument PREFER, if non-nil, is a font-spec to |
4127 | control the order of the returned list. Fonts are sorted by | |
027a33c0 | 4128 | how close they are to PREFER. */) |
5842a27b | 4129 | (Lisp_Object font_spec, Lisp_Object frame, Lisp_Object num, Lisp_Object prefer) |
c2f5bfd6 | 4130 | { |
fdb396e2 | 4131 | struct frame *f = decode_live_frame (frame); |
72d36834 | 4132 | Lisp_Object vec, list; |
d311d28c | 4133 | EMACS_INT n = 0; |
c2f5bfd6 | 4134 | |
35027d0c | 4135 | CHECK_FONT_SPEC (font_spec); |
c2f5bfd6 KH |
4136 | if (! NILP (num)) |
4137 | { | |
4138 | CHECK_NUMBER (num); | |
4139 | n = XINT (num); | |
4140 | if (n <= 0) | |
4141 | return Qnil; | |
4142 | } | |
4143 | if (! NILP (prefer)) | |
35027d0c | 4144 | CHECK_FONT_SPEC (prefer); |
c2f5bfd6 | 4145 | |
fdb396e2 | 4146 | list = font_list_entities (f, font_spec); |
72d36834 | 4147 | if (NILP (list)) |
c2f5bfd6 | 4148 | return Qnil; |
72d36834 KH |
4149 | if (NILP (XCDR (list)) |
4150 | && ASIZE (XCAR (list)) == 1) | |
6c6f1994 | 4151 | return list1 (AREF (XCAR (list), 0)); |
c2f5bfd6 KH |
4152 | |
4153 | if (! NILP (prefer)) | |
fdb396e2 | 4154 | vec = font_sort_entities (list, prefer, f, 0); |
72d36834 KH |
4155 | else |
4156 | vec = font_vconcat_entity_vectors (list); | |
4157 | if (n == 0 || n >= ASIZE (vec)) | |
c2f5bfd6 | 4158 | { |
72d36834 | 4159 | Lisp_Object args[2]; |
c2f5bfd6 | 4160 | |
72d36834 KH |
4161 | args[0] = vec; |
4162 | args[1] = Qnil; | |
4163 | list = Fappend (2, args); | |
4164 | } | |
4165 | else | |
4166 | { | |
4167 | for (list = Qnil, n--; n >= 0; n--) | |
4168 | list = Fcons (AREF (vec, n), list); | |
c2f5bfd6 KH |
4169 | } |
4170 | return list; | |
4171 | } | |
4172 | ||
35027d0c | 4173 | DEFUN ("font-family-list", Ffont_family_list, Sfont_family_list, 0, 1, 0, |
c2f5bfd6 | 4174 | doc: /* List available font families on the current frame. |
d9f07150 | 4175 | If FRAME is omitted or nil, the selected frame is used. */) |
5842a27b | 4176 | (Lisp_Object frame) |
c2f5bfd6 | 4177 | { |
d9f07150 | 4178 | struct frame *f = decode_live_frame (frame); |
c2f5bfd6 | 4179 | struct font_driver_list *driver_list; |
d9f07150 DA |
4180 | Lisp_Object list = Qnil; |
4181 | ||
c2f5bfd6 KH |
4182 | for (driver_list = f->font_driver_list; driver_list; |
4183 | driver_list = driver_list->next) | |
4184 | if (driver_list->driver->list_family) | |
4185 | { | |
fdb396e2 | 4186 | Lisp_Object val = driver_list->driver->list_family (f); |
13bf758b | 4187 | Lisp_Object tail = list; |
c2f5bfd6 | 4188 | |
13bf758b CY |
4189 | for (; CONSP (val); val = XCDR (val)) |
4190 | if (NILP (Fmemq (XCAR (val), tail)) | |
4191 | && SYMBOLP (XCAR (val))) | |
4192 | list = Fcons (SYMBOL_NAME (XCAR (val)), list); | |
c2f5bfd6 KH |
4193 | } |
4194 | return list; | |
4195 | } | |
4196 | ||
4197 | DEFUN ("find-font", Ffind_font, Sfind_font, 1, 2, 0, | |
4198 | doc: /* Return a font-entity matching with FONT-SPEC on the current frame. | |
4199 | Optional 2nd argument FRAME, if non-nil, specifies the target frame. */) | |
5842a27b | 4200 | (Lisp_Object font_spec, Lisp_Object frame) |
c2f5bfd6 KH |
4201 | { |
4202 | Lisp_Object val = Flist_fonts (font_spec, frame, make_number (1), Qnil); | |
4203 | ||
4204 | if (CONSP (val)) | |
4205 | val = XCAR (val); | |
4206 | return val; | |
4207 | } | |
4208 | ||
a7ca3326 | 4209 | DEFUN ("font-xlfd-name", Ffont_xlfd_name, Sfont_xlfd_name, 1, 2, 0, |
c2f5bfd6 KH |
4210 | doc: /* Return XLFD name of FONT. |
4211 | FONT is a font-spec, font-entity, or font-object. | |
d0ab1ebe KH |
4212 | If the name is too long for XLFD (maximum 255 chars), return nil. |
4213 | If the 2nd optional arg FOLD-WILDCARDS is non-nil, | |
56dd2d86 | 4214 | the consecutive wildcards are folded into one. */) |
5842a27b | 4215 | (Lisp_Object font, Lisp_Object fold_wildcards) |
c2f5bfd6 KH |
4216 | { |
4217 | char name[256]; | |
cb1caeaf | 4218 | int namelen, pixel_size = 0; |
c2f5bfd6 | 4219 | |
35027d0c KH |
4220 | CHECK_FONT (font); |
4221 | ||
4222 | if (FONT_OBJECT_P (font)) | |
c2f5bfd6 | 4223 | { |
35027d0c | 4224 | Lisp_Object font_name = AREF (font, FONT_NAME_INDEX); |
c2f5bfd6 | 4225 | |
35027d0c KH |
4226 | if (STRINGP (font_name) |
4227 | && SDATA (font_name)[0] == '-') | |
d0ab1ebe KH |
4228 | { |
4229 | if (NILP (fold_wildcards)) | |
4230 | return font_name; | |
51b59d79 | 4231 | strcpy (name, SSDATA (font_name)); |
cb1caeaf | 4232 | namelen = SBYTES (font_name); |
d0ab1ebe KH |
4233 | goto done; |
4234 | } | |
35027d0c | 4235 | pixel_size = XFONT_OBJECT (font)->pixel_size; |
c2f5bfd6 | 4236 | } |
cb1caeaf DA |
4237 | namelen = font_unparse_xlfd (font, pixel_size, name, 256); |
4238 | if (namelen < 0) | |
c2f5bfd6 | 4239 | return Qnil; |
d0ab1ebe KH |
4240 | done: |
4241 | if (! NILP (fold_wildcards)) | |
4242 | { | |
4243 | char *p0 = name, *p1; | |
4244 | ||
4245 | while ((p1 = strstr (p0, "-*-*"))) | |
4246 | { | |
4247 | strcpy (p1, p1 + 2); | |
cb1caeaf | 4248 | namelen -= 2; |
d0ab1ebe KH |
4249 | p0 = p1; |
4250 | } | |
4251 | } | |
4252 | ||
cb1caeaf | 4253 | return make_string (name, namelen); |
c2f5bfd6 KH |
4254 | } |
4255 | ||
a45543bc DA |
4256 | void |
4257 | clear_font_cache (struct frame *f) | |
4258 | { | |
4259 | struct font_driver_list *driver_list = f->font_driver_list; | |
4260 | ||
4261 | for (; driver_list; driver_list = driver_list->next) | |
4262 | if (driver_list->on) | |
4263 | { | |
4264 | Lisp_Object val, tmp, cache = driver_list->driver->get_cache (f); | |
4265 | ||
4266 | val = XCDR (cache); | |
4267 | while (! NILP (val) | |
4268 | && ! EQ (XCAR (XCAR (val)), driver_list->driver->type)) | |
4269 | val = XCDR (val); | |
4270 | eassert (! NILP (val)); | |
4271 | tmp = XCDR (XCAR (val)); | |
4272 | if (XINT (XCAR (tmp)) == 0) | |
4273 | { | |
4274 | font_clear_cache (f, XCAR (val), driver_list->driver); | |
4275 | XSETCDR (cache, XCDR (val)); | |
4276 | } | |
4277 | } | |
4278 | } | |
4279 | ||
c2f5bfd6 | 4280 | DEFUN ("clear-font-cache", Fclear_font_cache, Sclear_font_cache, 0, 0, 0, |
a45543bc | 4281 | doc: /* Clear font cache of each frame. */) |
5842a27b | 4282 | (void) |
c2f5bfd6 KH |
4283 | { |
4284 | Lisp_Object list, frame; | |
4285 | ||
4286 | FOR_EACH_FRAME (list, frame) | |
a45543bc | 4287 | clear_font_cache (XFRAME (frame)); |
c2f5bfd6 KH |
4288 | |
4289 | return Qnil; | |
4290 | } | |
4291 | ||
071132a9 KH |
4292 | \f |
4293 | void | |
971de7fb | 4294 | font_fill_lglyph_metrics (Lisp_Object glyph, Lisp_Object font_object) |
c2f5bfd6 | 4295 | { |
071132a9 | 4296 | struct font *font = XFONT_OBJECT (font_object); |
d311d28c | 4297 | unsigned code = font->driver->encode_char (font, LGLYPH_CHAR (glyph)); |
071132a9 | 4298 | struct font_metrics metrics; |
c2f5bfd6 | 4299 | |
d311d28c | 4300 | LGLYPH_SET_CODE (glyph, code); |
071132a9 KH |
4301 | font->driver->text_extents (font, &code, 1, &metrics); |
4302 | LGLYPH_SET_LBEARING (glyph, metrics.lbearing); | |
4303 | LGLYPH_SET_RBEARING (glyph, metrics.rbearing); | |
4304 | LGLYPH_SET_WIDTH (glyph, metrics.width); | |
4305 | LGLYPH_SET_ASCENT (glyph, metrics.ascent); | |
4306 | LGLYPH_SET_DESCENT (glyph, metrics.descent); | |
c2f5bfd6 KH |
4307 | } |
4308 | ||
c2f5bfd6 | 4309 | |
071132a9 KH |
4310 | DEFUN ("font-shape-gstring", Ffont_shape_gstring, Sfont_shape_gstring, 1, 1, 0, |
4311 | doc: /* Shape the glyph-string GSTRING. | |
4312 | Shaping means substituting glyphs and/or adjusting positions of glyphs | |
4313 | to get the correct visual image of character sequences set in the | |
4314 | header of the glyph-string. | |
1701724c | 4315 | |
071132a9 | 4316 | If the shaping was successful, the value is GSTRING itself or a newly |
ea964864 KH |
4317 | created glyph-string. Otherwise, the value is nil. |
4318 | ||
4319 | See the documentation of `composition-get-gstring' for the format of | |
4320 | GSTRING. */) | |
5842a27b | 4321 | (Lisp_Object gstring) |
1701724c KH |
4322 | { |
4323 | struct font *font; | |
071132a9 | 4324 | Lisp_Object font_object, n, glyph; |
634b8cac | 4325 | ptrdiff_t i, from, to; |
ba3de0e8 | 4326 | |
071132a9 KH |
4327 | if (! composition_gstring_p (gstring)) |
4328 | signal_error ("Invalid glyph-string: ", gstring); | |
4329 | if (! NILP (LGSTRING_ID (gstring))) | |
4330 | return gstring; | |
4331 | font_object = LGSTRING_FONT (gstring); | |
4332 | CHECK_FONT_OBJECT (font_object); | |
35027d0c | 4333 | font = XFONT_OBJECT (font_object); |
b876ea91 KH |
4334 | if (! font->driver->shape) |
4335 | return Qnil; | |
4336 | ||
40fb53d6 KH |
4337 | /* Try at most three times with larger gstring each time. */ |
4338 | for (i = 0; i < 3; i++) | |
4339 | { | |
40fb53d6 KH |
4340 | n = font->driver->shape (gstring); |
4341 | if (INTEGERP (n)) | |
4342 | break; | |
071132a9 | 4343 | gstring = larger_vector (gstring, |
d311d28c | 4344 | LGSTRING_GLYPH_LEN (gstring), -1); |
40fb53d6 | 4345 | } |
071132a9 | 4346 | if (i == 3 || XINT (n) == 0) |
1701724c | 4347 | return Qnil; |
dfe3c90f KH |
4348 | if (XINT (n) < LGSTRING_GLYPH_LEN (gstring)) |
4349 | LGSTRING_SET_GLYPH (gstring, XINT (n), Qnil); | |
ba3de0e8 | 4350 | |
ea964864 | 4351 | /* Check FROM_IDX and TO_IDX of each GLYPH in GSTRING to assure that |
85a43e2e KH |
4352 | GLYPHS covers all characters (except for the last few ones) in |
4353 | GSTRING. More formally, provided that NCHARS is the number of | |
4354 | characters in GSTRING and GLYPHS[i] is the ith glyph, FROM_IDX | |
4355 | and TO_IDX of each glyph must satisfy these conditions: | |
ea964864 KH |
4356 | |
4357 | GLYPHS[0].FROM_IDX == 0 | |
4358 | GLYPHS[i].FROM_IDX <= GLYPHS[i].TO_IDX | |
4359 | if (GLYPHS[i].FROM_IDX == GLYPHS[i-1].FROM_IDX) | |
4360 | ;; GLYPHS[i] and GLYPHS[i-1] belongs to the same grapheme cluster | |
4361 | GLYPHS[i].TO_IDX == GLYPHS[i-1].TO_IDX | |
4362 | else | |
4363 | ;; Be sure to cover all characters. | |
85a43e2e | 4364 | GLYPHS[i].FROM_IDX == GLYPHS[i-1].TO_IDX + 1 */ |
071132a9 | 4365 | glyph = LGSTRING_GLYPH (gstring, 0); |
fc3a285e KH |
4366 | from = LGLYPH_FROM (glyph); |
4367 | to = LGLYPH_TO (glyph); | |
ea964864 KH |
4368 | if (from != 0 || to < from) |
4369 | goto shaper_error; | |
4370 | for (i = 1; i < LGSTRING_GLYPH_LEN (gstring); i++) | |
071132a9 | 4371 | { |
ea964864 KH |
4372 | glyph = LGSTRING_GLYPH (gstring, i); |
4373 | if (NILP (glyph)) | |
071132a9 | 4374 | break; |
ea964864 KH |
4375 | if (! (LGLYPH_FROM (glyph) <= LGLYPH_TO (glyph) |
4376 | && (LGLYPH_FROM (glyph) == from | |
4377 | ? LGLYPH_TO (glyph) == to | |
4378 | : LGLYPH_FROM (glyph) == to + 1))) | |
4379 | goto shaper_error; | |
4380 | from = LGLYPH_FROM (glyph); | |
4381 | to = LGLYPH_TO (glyph); | |
10d16101 | 4382 | } |
071132a9 | 4383 | return composition_gstring_put_cache (gstring, XINT (n)); |
ea964864 KH |
4384 | |
4385 | shaper_error: | |
4386 | return Qnil; | |
c2f5bfd6 KH |
4387 | } |
4388 | ||
78a2f9cd KH |
4389 | DEFUN ("font-variation-glyphs", Ffont_variation_glyphs, Sfont_variation_glyphs, |
4390 | 2, 2, 0, | |
4391 | doc: /* Return a list of variation glyphs for CHAR in FONT-OBJECT. | |
4392 | Each element of the value is a cons (VARIATION-SELECTOR . GLYPH-ID), | |
4393 | where | |
c0943d3d | 4394 | VARIATION-SELECTOR is a character code of variation selection |
78a2f9cd KH |
4395 | (#xFE00..#xFE0F or #xE0100..#xE01EF) |
4396 | GLYPH-ID is a glyph code of the corresponding variation glyph. */) | |
5842a27b | 4397 | (Lisp_Object font_object, Lisp_Object character) |
78a2f9cd KH |
4398 | { |
4399 | unsigned variations[256]; | |
4400 | struct font *font; | |
4401 | int i, n; | |
4402 | Lisp_Object val; | |
4403 | ||
4404 | CHECK_FONT_OBJECT (font_object); | |
4405 | CHECK_CHARACTER (character); | |
4406 | font = XFONT_OBJECT (font_object); | |
4407 | if (! font->driver->get_variation_glyphs) | |
4408 | return Qnil; | |
4409 | n = font->driver->get_variation_glyphs (font, XINT (character), variations); | |
4410 | if (! n) | |
4411 | return Qnil; | |
4412 | val = Qnil; | |
4413 | for (i = 0; i < 255; i++) | |
4414 | if (variations[i]) | |
4415 | { | |
78a2f9cd | 4416 | int vs = (i < 16 ? 0xFE00 + i : 0xE0100 + (i - 16)); |
be44ca6c | 4417 | Lisp_Object code = INTEGER_TO_CONS (variations[i]); |
78a2f9cd KH |
4418 | val = Fcons (Fcons (make_number (vs), code), val); |
4419 | } | |
4420 | return val; | |
4421 | } | |
4422 | ||
6a3dadd2 KH |
4423 | #if 0 |
4424 | ||
a7ca3326 | 4425 | DEFUN ("font-drive-otf", Ffont_drive_otf, Sfont_drive_otf, 6, 6, 0, |
733fd013 | 4426 | doc: /* Apply OpenType features on glyph-string GSTRING-IN. |
51c01100 | 4427 | OTF-FEATURES specifies which features to apply in this format: |
733fd013 | 4428 | (SCRIPT LANGSYS GSUB GPOS) |
e80e09b4 KH |
4429 | where |
4430 | SCRIPT is a symbol specifying a script tag of OpenType, | |
4431 | LANGSYS is a symbol specifying a langsys tag of OpenType, | |
733fd013 | 4432 | GSUB and GPOS, if non-nil, are lists of symbols specifying feature tags. |
e80e09b4 | 4433 | |
06827ec8 | 4434 | If LANGSYS is nil, the default langsys is selected. |
e80e09b4 | 4435 | |
51c01100 JB |
4436 | The features are applied in the order they appear in the list. The |
4437 | symbol `*' means to apply all available features not present in this | |
733fd013 KH |
4438 | list, and the remaining features are ignored. For instance, (vatu |
4439 | pstf * haln) is to apply vatu and pstf in this order, then to apply | |
4440 | all available features other than vatu, pstf, and haln. | |
e80e09b4 KH |
4441 | |
4442 | The features are applied to the glyphs in the range FROM and TO of | |
733fd013 | 4443 | the glyph-string GSTRING-IN. |
e80e09b4 | 4444 | |
51c01100 | 4445 | If some feature is actually applicable, the resulting glyphs are |
e80e09b4 KH |
4446 | produced in the glyph-string GSTRING-OUT from the index INDEX. In |
4447 | this case, the value is the number of produced glyphs. | |
4448 | ||
4449 | If no feature is applicable, no glyph is produced in GSTRING-OUT, and | |
4450 | the value is 0. | |
4451 | ||
51c01100 | 4452 | If GSTRING-OUT is too short to hold produced glyphs, no glyphs are |
e80e09b4 KH |
4453 | produced in GSTRING-OUT, and the value is nil. |
4454 | ||
56dd2d86 | 4455 | See the documentation of `composition-get-gstring' for the format of |
e80e09b4 | 4456 | glyph-string. */) |
5842a27b | 4457 | (Lisp_Object otf_features, Lisp_Object gstring_in, Lisp_Object from, Lisp_Object to, Lisp_Object gstring_out, Lisp_Object index) |
e80e09b4 KH |
4458 | { |
4459 | Lisp_Object font_object = LGSTRING_FONT (gstring_in); | |
733fd013 KH |
4460 | Lisp_Object val; |
4461 | struct font *font; | |
e80e09b4 KH |
4462 | int len, num; |
4463 | ||
733fd013 | 4464 | check_otf_features (otf_features); |
35027d0c KH |
4465 | CHECK_FONT_OBJECT (font_object); |
4466 | font = XFONT_OBJECT (font_object); | |
733fd013 | 4467 | if (! font->driver->otf_drive) |
e80e09b4 KH |
4468 | error ("Font backend %s can't drive OpenType GSUB table", |
4469 | SDATA (SYMBOL_NAME (font->driver->type))); | |
733fd013 KH |
4470 | CHECK_CONS (otf_features); |
4471 | CHECK_SYMBOL (XCAR (otf_features)); | |
4472 | val = XCDR (otf_features); | |
4473 | CHECK_SYMBOL (XCAR (val)); | |
4474 | val = XCDR (otf_features); | |
4475 | if (! NILP (val)) | |
4476 | CHECK_CONS (val); | |
e80e09b4 KH |
4477 | len = check_gstring (gstring_in); |
4478 | CHECK_VECTOR (gstring_out); | |
4479 | CHECK_NATNUM (from); | |
4480 | CHECK_NATNUM (to); | |
4481 | CHECK_NATNUM (index); | |
4482 | ||
4483 | if (XINT (from) >= XINT (to) || XINT (to) > len) | |
4484 | args_out_of_range_3 (from, to, make_number (len)); | |
4485 | if (XINT (index) >= ASIZE (gstring_out)) | |
4486 | args_out_of_range (index, make_number (ASIZE (gstring_out))); | |
733fd013 KH |
4487 | num = font->driver->otf_drive (font, otf_features, |
4488 | gstring_in, XINT (from), XINT (to), | |
4489 | gstring_out, XINT (index), 0); | |
e80e09b4 KH |
4490 | if (num < 0) |
4491 | return Qnil; | |
4492 | return make_number (num); | |
4493 | } | |
4494 | ||
a7ca3326 | 4495 | DEFUN ("font-otf-alternates", Ffont_otf_alternates, Sfont_otf_alternates, |
e80e09b4 KH |
4496 | 3, 3, 0, |
4497 | doc: /* Return a list of alternate glyphs of CHARACTER in FONT-OBJECT. | |
51c01100 | 4498 | OTF-FEATURES specifies which features of the font FONT-OBJECT to apply |
e80e09b4 KH |
4499 | in this format: |
4500 | (SCRIPT LANGSYS FEATURE ...) | |
027a33c0 | 4501 | See the documentation of `font-drive-otf' for more detail. |
e80e09b4 KH |
4502 | |
4503 | The value is a list of cons cells of the format (GLYPH-ID . CHARACTER), | |
4504 | where GLYPH-ID is a glyph index of the font, and CHARACTER is a | |
4505 | character code corresponding to the glyph or nil if there's no | |
4506 | corresponding character. */) | |
5842a27b | 4507 | (Lisp_Object font_object, Lisp_Object character, Lisp_Object otf_features) |
e80e09b4 KH |
4508 | { |
4509 | struct font *font; | |
4510 | Lisp_Object gstring_in, gstring_out, g; | |
4511 | Lisp_Object alternates; | |
4512 | int i, num; | |
4513 | ||
4514 | CHECK_FONT_GET_OBJECT (font_object, font); | |
733fd013 | 4515 | if (! font->driver->otf_drive) |
e950d6f1 KH |
4516 | error ("Font backend %s can't drive OpenType GSUB table", |
4517 | SDATA (SYMBOL_NAME (font->driver->type))); | |
e80e09b4 | 4518 | CHECK_CHARACTER (character); |
733fd013 | 4519 | CHECK_CONS (otf_features); |
e80e09b4 KH |
4520 | |
4521 | gstring_in = Ffont_make_gstring (font_object, make_number (1)); | |
4522 | g = LGSTRING_GLYPH (gstring_in, 0); | |
f9ffa1ea | 4523 | LGLYPH_SET_CHAR (g, XINT (character)); |
e80e09b4 | 4524 | gstring_out = Ffont_make_gstring (font_object, make_number (10)); |
733fd013 KH |
4525 | while ((num = font->driver->otf_drive (font, otf_features, gstring_in, 0, 1, |
4526 | gstring_out, 0, 1)) < 0) | |
e80e09b4 KH |
4527 | gstring_out = Ffont_make_gstring (font_object, |
4528 | make_number (ASIZE (gstring_out) * 2)); | |
4529 | alternates = Qnil; | |
4530 | for (i = 0; i < num; i++) | |
4531 | { | |
4532 | Lisp_Object g = LGSTRING_GLYPH (gstring_out, i); | |
f9ffa1ea SM |
4533 | int c = LGLYPH_CHAR (g); |
4534 | unsigned code = LGLYPH_CODE (g); | |
e80e09b4 KH |
4535 | |
4536 | alternates = Fcons (Fcons (make_number (code), | |
4537 | c > 0 ? make_number (c) : Qnil), | |
4538 | alternates); | |
4539 | } | |
4540 | return Fnreverse (alternates); | |
4541 | } | |
6a3dadd2 | 4542 | #endif /* 0 */ |
c2f5bfd6 KH |
4543 | |
4544 | #ifdef FONT_DEBUG | |
4545 | ||
4546 | DEFUN ("open-font", Fopen_font, Sopen_font, 1, 3, 0, | |
4547 | doc: /* Open FONT-ENTITY. */) | |
5842a27b | 4548 | (Lisp_Object font_entity, Lisp_Object size, Lisp_Object frame) |
c2f5bfd6 | 4549 | { |
d311d28c | 4550 | EMACS_INT isize; |
d9f07150 | 4551 | struct frame *f = decode_live_frame (frame); |
c2f5bfd6 KH |
4552 | |
4553 | CHECK_FONT_ENTITY (font_entity); | |
51c01100 | 4554 | |
35027d0c KH |
4555 | if (NILP (size)) |
4556 | isize = XINT (AREF (font_entity, FONT_SIZE_INDEX)); | |
4557 | else | |
4558 | { | |
4559 | CHECK_NUMBER_OR_FLOAT (size); | |
4560 | if (FLOATP (size)) | |
42143acd | 4561 | isize = POINT_TO_PIXEL (XFLOAT_DATA (size), FRAME_RES_Y (f)); |
35027d0c KH |
4562 | else |
4563 | isize = XINT (size); | |
d311d28c PE |
4564 | if (! (INT_MIN <= isize && isize <= INT_MAX)) |
4565 | args_out_of_range (font_entity, size); | |
35027d0c KH |
4566 | if (isize == 0) |
4567 | isize = 120; | |
4568 | } | |
d9f07150 | 4569 | return font_open_entity (f, font_entity, isize); |
c2f5bfd6 KH |
4570 | } |
4571 | ||
4572 | DEFUN ("close-font", Fclose_font, Sclose_font, 1, 2, 0, | |
5035fbc1 | 4573 | doc: /* Close FONT-OBJECT. */) |
5842a27b | 4574 | (Lisp_Object font_object, Lisp_Object frame) |
c2f5bfd6 KH |
4575 | { |
4576 | CHECK_FONT_OBJECT (font_object); | |
5035fbc1 | 4577 | font_close_object (decode_live_frame (frame), font_object); |
c2f5bfd6 KH |
4578 | return Qnil; |
4579 | } | |
4580 | ||
4581 | DEFUN ("query-font", Fquery_font, Squery_font, 1, 1, 0, | |
e80e09b4 KH |
4582 | doc: /* Return information about FONT-OBJECT. |
4583 | The value is a vector: | |
4584 | [ NAME FILENAME PIXEL-SIZE SIZE ASCENT DESCENT SPACE-WIDTH AVERAGE-WIDTH | |
e0708580 | 4585 | CAPABILITY ] |
e80e09b4 | 4586 | |
56dd2d86 | 4587 | NAME is the font name, a string (or nil if the font backend doesn't |
e80e09b4 KH |
4588 | provide a name). |
4589 | ||
56dd2d86 | 4590 | FILENAME is the font file name, a string (or nil if the font backend |
e80e09b4 KH |
4591 | doesn't provide a file name). |
4592 | ||
4593 | PIXEL-SIZE is a pixel size by which the font is opened. | |
4594 | ||
027a33c0 | 4595 | SIZE is a maximum advance width of the font in pixels. |
e80e09b4 KH |
4596 | |
4597 | ASCENT, DESCENT, SPACE-WIDTH, AVERAGE-WIDTH are metrics of the font in | |
027a33c0 | 4598 | pixels. |
e80e09b4 | 4599 | |
e0708580 KH |
4600 | CAPABILITY is a list whose first element is a symbol representing the |
4601 | font format \(x, opentype, truetype, type1, pcf, or bdf) and the | |
027a33c0 | 4602 | remaining elements describe the details of the font capability. |
e0708580 KH |
4603 | |
4604 | If the font is OpenType font, the form of the list is | |
4605 | \(opentype GSUB GPOS) | |
4606 | where GSUB shows which "GSUB" features the font supports, and GPOS | |
4607 | shows which "GPOS" features the font supports. Both GSUB and GPOS are | |
4608 | lists of the format: | |
4609 | \((SCRIPT (LANGSYS FEATURE ...) ...) ...) | |
4610 | ||
4611 | If the font is not OpenType font, currently the length of the form is | |
4612 | one. | |
e80e09b4 KH |
4613 | |
4614 | SCRIPT is a symbol representing OpenType script tag. | |
4615 | ||
4616 | LANGSYS is a symbol representing OpenType langsys tag, or nil | |
4617 | representing the default langsys. | |
4618 | ||
51c01100 | 4619 | FEATURE is a symbol representing OpenType feature tag. |
e80e09b4 | 4620 | |
51c01100 | 4621 | If the font is not OpenType font, CAPABILITY is nil. */) |
5842a27b | 4622 | (Lisp_Object font_object) |
c2f5bfd6 KH |
4623 | { |
4624 | struct font *font; | |
4625 | Lisp_Object val; | |
4626 | ||
4627 | CHECK_FONT_GET_OBJECT (font_object, font); | |
4628 | ||
25721f5b | 4629 | val = make_uninit_vector (9); |
35027d0c KH |
4630 | ASET (val, 0, AREF (font_object, FONT_NAME_INDEX)); |
4631 | ASET (val, 1, AREF (font_object, FONT_FILE_INDEX)); | |
c2f5bfd6 | 4632 | ASET (val, 2, make_number (font->pixel_size)); |
35027d0c | 4633 | ASET (val, 3, make_number (font->max_width)); |
c2f5bfd6 KH |
4634 | ASET (val, 4, make_number (font->ascent)); |
4635 | ASET (val, 5, make_number (font->descent)); | |
35027d0c KH |
4636 | ASET (val, 6, make_number (font->space_width)); |
4637 | ASET (val, 7, make_number (font->average_width)); | |
c2f5bfd6 | 4638 | if (font->driver->otf_capability) |
e0708580 | 4639 | ASET (val, 8, Fcons (Qopentype, font->driver->otf_capability (font))); |
25721f5b DA |
4640 | else |
4641 | ASET (val, 8, Qnil); | |
c2f5bfd6 KH |
4642 | return val; |
4643 | } | |
4644 | ||
a7840ffb KH |
4645 | DEFUN ("font-get-glyphs", Ffont_get_glyphs, Sfont_get_glyphs, 3, 4, 0, |
4646 | doc: | |
4647 | /* Return a vector of FONT-OBJECT's glyphs for the specified characters. | |
4648 | FROM and TO are positions (integers or markers) specifying a region | |
4649 | of the current buffer. | |
4650 | If the optional fourth arg OBJECT is not nil, it is a string or a | |
4651 | vector containing the target characters. | |
4652 | ||
4653 | Each element is a vector containing information of a glyph in this format: | |
4654 | [FROM-IDX TO-IDX C CODE WIDTH LBEARING RBEARING ASCENT DESCENT ADJUSTMENT] | |
4655 | where | |
4656 | FROM is an index numbers of a character the glyph corresponds to. | |
4657 | TO is the same as FROM. | |
4658 | C is the character of the glyph. | |
4659 | CODE is the glyph-code of C in FONT-OBJECT. | |
4660 | WIDTH thru DESCENT are the metrics (in pixels) of the glyph. | |
4661 | ADJUSTMENT is always nil. | |
4662 | If FONT-OBJECT doesn't have a glyph for a character, | |
4663 | the corresponding element is nil. */) | |
e1ffae3b KH |
4664 | (Lisp_Object font_object, Lisp_Object from, Lisp_Object to, |
4665 | Lisp_Object object) | |
c2f5bfd6 KH |
4666 | { |
4667 | struct font *font; | |
d311d28c | 4668 | ptrdiff_t i, len; |
a7840ffb KH |
4669 | Lisp_Object *chars, vec; |
4670 | USE_SAFE_ALLOCA; | |
c2f5bfd6 KH |
4671 | |
4672 | CHECK_FONT_GET_OBJECT (font_object, font); | |
a7840ffb KH |
4673 | if (NILP (object)) |
4674 | { | |
d311d28c | 4675 | ptrdiff_t charpos, bytepos; |
a7840ffb KH |
4676 | |
4677 | validate_region (&from, &to); | |
4678 | if (EQ (from, to)) | |
4679 | return Qnil; | |
4680 | len = XFASTINT (to) - XFASTINT (from); | |
4681 | SAFE_ALLOCA_LISP (chars, len); | |
4682 | charpos = XFASTINT (from); | |
4683 | bytepos = CHAR_TO_BYTE (charpos); | |
4684 | for (i = 0; charpos < XFASTINT (to); i++) | |
4685 | { | |
13a547c6 | 4686 | int c; |
a7840ffb KH |
4687 | FETCH_CHAR_ADVANCE (c, charpos, bytepos); |
4688 | chars[i] = make_number (c); | |
4689 | } | |
4690 | } | |
4691 | else if (STRINGP (object)) | |
4692 | { | |
4693 | const unsigned char *p; | |
4694 | ||
4695 | CHECK_NUMBER (from); | |
4696 | CHECK_NUMBER (to); | |
4697 | if (XINT (from) < 0 || XINT (from) > XINT (to) | |
4698 | || XINT (to) > SCHARS (object)) | |
4699 | args_out_of_range_3 (object, from, to); | |
4700 | if (EQ (from, to)) | |
4701 | return Qnil; | |
4702 | len = XFASTINT (to) - XFASTINT (from); | |
4703 | SAFE_ALLOCA_LISP (chars, len); | |
4704 | p = SDATA (object); | |
4705 | if (STRING_MULTIBYTE (object)) | |
4706 | for (i = 0; i < len; i++) | |
4707 | { | |
13a547c6 | 4708 | int c = STRING_CHAR_ADVANCE (p); |
a7840ffb KH |
4709 | chars[i] = make_number (c); |
4710 | } | |
4711 | else | |
4712 | for (i = 0; i < len; i++) | |
4713 | chars[i] = make_number (p[i]); | |
4714 | } | |
4715 | else | |
4716 | { | |
4717 | CHECK_VECTOR (object); | |
4718 | CHECK_NUMBER (from); | |
4719 | CHECK_NUMBER (to); | |
4720 | if (XINT (from) < 0 || XINT (from) > XINT (to) | |
4721 | || XINT (to) > ASIZE (object)) | |
4722 | args_out_of_range_3 (object, from, to); | |
4723 | if (EQ (from, to)) | |
4724 | return Qnil; | |
4725 | len = XFASTINT (to) - XFASTINT (from); | |
4726 | for (i = 0; i < len; i++) | |
4727 | { | |
4728 | Lisp_Object elt = AREF (object, XFASTINT (from) + i); | |
4729 | CHECK_CHARACTER (elt); | |
4730 | } | |
4939150c | 4731 | chars = aref_addr (object, XFASTINT (from)); |
a7840ffb KH |
4732 | } |
4733 | ||
3bfc46eb | 4734 | vec = make_uninit_vector (len); |
c2f5bfd6 KH |
4735 | for (i = 0; i < len; i++) |
4736 | { | |
a7840ffb KH |
4737 | Lisp_Object g; |
4738 | int c = XFASTINT (chars[i]); | |
c2f5bfd6 KH |
4739 | unsigned code; |
4740 | struct font_metrics metrics; | |
4741 | ||
78834453 | 4742 | code = font->driver->encode_char (font, c); |
c2f5bfd6 | 4743 | if (code == FONT_INVALID_CODE) |
3bfc46eb DA |
4744 | { |
4745 | ASET (vec, i, Qnil); | |
4746 | continue; | |
4747 | } | |
42926ec8 | 4748 | g = LGLYPH_NEW (); |
a7840ffb KH |
4749 | LGLYPH_SET_FROM (g, i); |
4750 | LGLYPH_SET_TO (g, i); | |
4751 | LGLYPH_SET_CHAR (g, c); | |
4752 | LGLYPH_SET_CODE (g, code); | |
51c01100 | 4753 | font->driver->text_extents (font, &code, 1, &metrics); |
a7840ffb KH |
4754 | LGLYPH_SET_WIDTH (g, metrics.width); |
4755 | LGLYPH_SET_LBEARING (g, metrics.lbearing); | |
4756 | LGLYPH_SET_RBEARING (g, metrics.rbearing); | |
4757 | LGLYPH_SET_ASCENT (g, metrics.ascent); | |
4758 | LGLYPH_SET_DESCENT (g, metrics.descent); | |
4759 | ASET (vec, i, g); | |
4760 | } | |
4761 | if (! VECTORP (object)) | |
4762 | SAFE_FREE (); | |
c2f5bfd6 KH |
4763 | return vec; |
4764 | } | |
4765 | ||
ec6fe57c | 4766 | DEFUN ("font-match-p", Ffont_match_p, Sfont_match_p, 2, 2, 0, |
67b5d7de | 4767 | doc: /* Return t if and only if font-spec SPEC matches with FONT. |
ec6fe57c | 4768 | FONT is a font-spec, font-entity, or font-object. */) |
5842a27b | 4769 | (Lisp_Object spec, Lisp_Object font) |
ec6fe57c KH |
4770 | { |
4771 | CHECK_FONT_SPEC (spec); | |
35027d0c | 4772 | CHECK_FONT (font); |
ec6fe57c KH |
4773 | |
4774 | return (font_match_p (spec, font) ? Qt : Qnil); | |
4775 | } | |
4776 | ||
1701724c | 4777 | DEFUN ("font-at", Ffont_at, Sfont_at, 1, 3, 0, |
51c01100 | 4778 | doc: /* Return a font-object for displaying a character at POSITION. |
10d16101 | 4779 | Optional second arg WINDOW, if non-nil, is a window displaying |
aee5b18e KH |
4780 | the current buffer. It defaults to the currently selected window. |
4781 | Optional third arg STRING, if non-nil, is a string containing the target | |
4782 | character at index specified by POSITION. */) | |
5842a27b | 4783 | (Lisp_Object position, Lisp_Object window, Lisp_Object string) |
10d16101 | 4784 | { |
b9e9df47 | 4785 | struct window *w = decode_live_window (window); |
10d16101 | 4786 | |
1701724c KH |
4787 | if (NILP (string)) |
4788 | { | |
e74aeda8 | 4789 | if (XBUFFER (w->contents) != current_buffer) |
e41fe0d3 | 4790 | error ("Specified window is not displaying the current buffer"); |
1701724c | 4791 | CHECK_NUMBER_COERCE_MARKER (position); |
d311d28c | 4792 | if (! (BEGV <= XINT (position) && XINT (position) < ZV)) |
1701724c | 4793 | args_out_of_range_3 (position, make_number (BEGV), make_number (ZV)); |
1701724c KH |
4794 | } |
4795 | else | |
4796 | { | |
1701724c KH |
4797 | CHECK_NUMBER (position); |
4798 | CHECK_STRING (string); | |
a0d7415f | 4799 | if (! (0 <= XINT (position) && XINT (position) < SCHARS (string))) |
1701724c | 4800 | args_out_of_range (string, position); |
1701724c | 4801 | } |
10d16101 | 4802 | |
b6a9e8b1 | 4803 | return font_at (-1, XINT (position), NULL, w, string); |
10d16101 KH |
4804 | } |
4805 | ||
c2f5bfd6 KH |
4806 | #if 0 |
4807 | DEFUN ("draw-string", Fdraw_string, Sdraw_string, 2, 2, 0, | |
4808 | doc: /* Draw STRING by FONT-OBJECT on the top left corner of the current frame. | |
4809 | The value is a number of glyphs drawn. | |
4810 | Type C-l to recover what previously shown. */) | |
5842a27b | 4811 | (Lisp_Object font_object, Lisp_Object string) |
c2f5bfd6 KH |
4812 | { |
4813 | Lisp_Object frame = selected_frame; | |
a10c8269 | 4814 | struct frame *f = XFRAME (frame); |
c2f5bfd6 KH |
4815 | struct font *font; |
4816 | struct face *face; | |
4817 | int i, len, width; | |
4818 | unsigned *code; | |
4819 | ||
4820 | CHECK_FONT_GET_OBJECT (font_object, font); | |
4821 | CHECK_STRING (string); | |
4822 | len = SCHARS (string); | |
4823 | code = alloca (sizeof (unsigned) * len); | |
4824 | for (i = 0; i < len; i++) | |
4825 | { | |
4826 | Lisp_Object ch = Faref (string, make_number (i)); | |
4827 | Lisp_Object val; | |
4828 | int c = XINT (ch); | |
4829 | ||
4830 | code[i] = font->driver->encode_char (font, c); | |
4831 | if (code[i] == FONT_INVALID_CODE) | |
4832 | break; | |
4833 | } | |
4834 | face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
4835 | face->fontp = font; | |
4836 | if (font->driver->prepare_face) | |
4837 | font->driver->prepare_face (f, face); | |
4838 | width = font->driver->text_extents (font, code, i, NULL); | |
4839 | len = font->driver->draw_text (f, face, 0, font->ascent, code, i, width); | |
4840 | if (font->driver->done_face) | |
4841 | font->driver->done_face (f, face); | |
4842 | face->fontp = NULL; | |
4843 | return make_number (len); | |
4844 | } | |
4845 | #endif | |
4846 | ||
8c1c7611 DA |
4847 | DEFUN ("frame-font-cache", Fframe_font_cache, Sframe_font_cache, 0, 1, 0, |
4848 | doc: /* Return FRAME's font cache. Mainly used for debugging. | |
4849 | If FRAME is omitted or nil, use the selected frame. */) | |
4850 | (Lisp_Object frame) | |
4851 | { | |
757c70af EZ |
4852 | #ifdef HAVE_WINDOW_SYSTEM |
4853 | struct frame *f = decode_live_frame (frame); | |
4854 | ||
4855 | if (FRAME_WINDOW_P (f)) | |
4856 | return FRAME_DISPLAY_INFO (f)->name_list_element; | |
4857 | else | |
4858 | #endif | |
4859 | return Qnil; | |
8c1c7611 DA |
4860 | } |
4861 | ||
c2f5bfd6 KH |
4862 | #endif /* FONT_DEBUG */ |
4863 | ||
a266686a KH |
4864 | #ifdef HAVE_WINDOW_SYSTEM |
4865 | ||
72606e45 KH |
4866 | DEFUN ("font-info", Ffont_info, Sfont_info, 1, 2, 0, |
4867 | doc: /* Return information about a font named NAME on frame FRAME. | |
4868 | If FRAME is omitted or nil, use the selected frame. | |
06f19b91 | 4869 | The returned value is a vector of OPENED-NAME, FULL-NAME, SIZE, |
72606e45 KH |
4870 | HEIGHT, BASELINE-OFFSET, RELATIVE-COMPOSE, and DEFAULT-ASCENT, |
4871 | where | |
4872 | OPENED-NAME is the name used for opening the font, | |
4873 | FULL-NAME is the full name of the font, | |
06f19b91 | 4874 | SIZE is the pixelsize of the font, |
65e7ca35 | 4875 | HEIGHT is the pixel-height of the font (i.e., ascent + descent), |
72606e45 KH |
4876 | BASELINE-OFFSET is the upward offset pixels from ASCII baseline, |
4877 | RELATIVE-COMPOSE and DEFAULT-ASCENT are the numbers controlling | |
4878 | how to compose characters. | |
4879 | If the named font is not yet loaded, return nil. */) | |
5842a27b | 4880 | (Lisp_Object name, Lisp_Object frame) |
72606e45 | 4881 | { |
d9f07150 | 4882 | struct frame *f; |
72606e45 KH |
4883 | struct font *font; |
4884 | Lisp_Object info; | |
4885 | Lisp_Object font_object; | |
4886 | ||
72606e45 KH |
4887 | if (! FONTP (name)) |
4888 | CHECK_STRING (name); | |
7452b7bd | 4889 | f = decode_window_system_frame (frame); |
72606e45 KH |
4890 | |
4891 | if (STRINGP (name)) | |
4892 | { | |
4893 | int fontset = fs_query_fontset (name, 0); | |
4894 | ||
4895 | if (fontset >= 0) | |
4896 | name = fontset_ascii (fontset); | |
d7ea76b4 | 4897 | font_object = font_open_by_name (f, name); |
72606e45 KH |
4898 | } |
4899 | else if (FONT_OBJECT_P (name)) | |
4900 | font_object = name; | |
4901 | else if (FONT_ENTITY_P (name)) | |
4902 | font_object = font_open_entity (f, name, 0); | |
4903 | else | |
4904 | { | |
4905 | struct face *face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
4906 | Lisp_Object entity = font_matching_entity (f, face->lface, name); | |
4907 | ||
4908 | font_object = ! NILP (entity) ? font_open_entity (f, entity, 0) : Qnil; | |
4909 | } | |
4910 | if (NILP (font_object)) | |
4911 | return Qnil; | |
4912 | font = XFONT_OBJECT (font_object); | |
4913 | ||
25721f5b | 4914 | info = make_uninit_vector (7); |
28be1ada DA |
4915 | ASET (info, 0, AREF (font_object, FONT_NAME_INDEX)); |
4916 | ASET (info, 1, AREF (font_object, FONT_FULLNAME_INDEX)); | |
4917 | ASET (info, 2, make_number (font->pixel_size)); | |
4918 | ASET (info, 3, make_number (font->height)); | |
4919 | ASET (info, 4, make_number (font->baseline_offset)); | |
4920 | ASET (info, 5, make_number (font->relative_compose)); | |
4921 | ASET (info, 6, make_number (font->default_ascent)); | |
72606e45 KH |
4922 | |
4923 | #if 0 | |
4924 | /* As font_object is still in FONT_OBJLIST of the entity, we can't | |
4925 | close it now. Perhaps, we should manage font-objects | |
4926 | by `reference-count'. */ | |
5035fbc1 | 4927 | font_close_object (f, font_object); |
72606e45 KH |
4928 | #endif |
4929 | return info; | |
4930 | } | |
a266686a | 4931 | #endif |
72606e45 | 4932 | |
c2f5bfd6 | 4933 | \f |
faa52174 | 4934 | #define BUILD_STYLE_TABLE(TBL) build_style_table (TBL, ARRAYELTS (TBL)) |
d0ab1ebe KH |
4935 | |
4936 | static Lisp_Object | |
971de7fb | 4937 | build_style_table (const struct table_entry *entry, int nelement) |
d0ab1ebe KH |
4938 | { |
4939 | int i, j; | |
4940 | Lisp_Object table, elt; | |
17ab8f5d | 4941 | |
3bfc46eb | 4942 | table = make_uninit_vector (nelement); |
d0ab1ebe KH |
4943 | for (i = 0; i < nelement; i++) |
4944 | { | |
4945 | for (j = 0; entry[i].names[j]; j++); | |
4946 | elt = Fmake_vector (make_number (j + 1), Qnil); | |
4947 | ASET (elt, 0, make_number (entry[i].numeric)); | |
4948 | for (j = 0; entry[i].names[j]; j++) | |
d67b4f80 | 4949 | ASET (elt, j + 1, intern_c_string (entry[i].names[j])); |
d0ab1ebe KH |
4950 | ASET (table, i, elt); |
4951 | } | |
4952 | return table; | |
4953 | } | |
4954 | ||
d0818984 KH |
4955 | /* The deferred font-log data of the form [ACTION ARG RESULT]. |
4956 | If ACTION is not nil, that is added to the log when font_add_log is | |
4957 | called next time. At that time, ACTION is set back to nil. */ | |
4958 | static Lisp_Object Vfont_log_deferred; | |
4959 | ||
4960 | /* Prepend the font-related logging data in Vfont_log if it is not | |
4961 | `t'. ACTION describes a kind of font-related action (e.g. listing, | |
4962 | opening), ARG is the argument for the action, and RESULT is the | |
4963 | result of the action. */ | |
d0ab1ebe | 4964 | void |
675e2c69 | 4965 | font_add_log (const char *action, Lisp_Object arg, Lisp_Object result) |
d0ab1ebe | 4966 | { |
13a547c6 | 4967 | Lisp_Object val; |
d0ab1ebe KH |
4968 | int i; |
4969 | ||
d0ab1ebe KH |
4970 | if (EQ (Vfont_log, Qt)) |
4971 | return; | |
d0818984 KH |
4972 | if (STRINGP (AREF (Vfont_log_deferred, 0))) |
4973 | { | |
51b59d79 | 4974 | char *str = SSDATA (AREF (Vfont_log_deferred, 0)); |
d0818984 KH |
4975 | |
4976 | ASET (Vfont_log_deferred, 0, Qnil); | |
4977 | font_add_log (str, AREF (Vfont_log_deferred, 1), | |
4978 | AREF (Vfont_log_deferred, 2)); | |
4979 | } | |
4980 | ||
d0ab1ebe | 4981 | if (FONTP (arg)) |
db716644 KH |
4982 | { |
4983 | Lisp_Object tail, elt; | |
4984 | Lisp_Object equalstr = build_string ("="); | |
4985 | ||
4986 | val = Ffont_xlfd_name (arg, Qt); | |
4987 | for (tail = AREF (arg, FONT_EXTRA_INDEX); CONSP (tail); | |
4988 | tail = XCDR (tail)) | |
4989 | { | |
4990 | elt = XCAR (tail); | |
49f9c344 KH |
4991 | if (EQ (XCAR (elt), QCscript) |
4992 | && SYMBOLP (XCDR (elt))) | |
db716644 KH |
4993 | val = concat3 (val, SYMBOL_NAME (QCscript), |
4994 | concat2 (equalstr, SYMBOL_NAME (XCDR (elt)))); | |
49f9c344 KH |
4995 | else if (EQ (XCAR (elt), QClang) |
4996 | && SYMBOLP (XCDR (elt))) | |
db716644 KH |
4997 | val = concat3 (val, SYMBOL_NAME (QClang), |
4998 | concat2 (equalstr, SYMBOL_NAME (XCDR (elt)))); | |
49f9c344 KH |
4999 | else if (EQ (XCAR (elt), QCotf) |
5000 | && CONSP (XCDR (elt)) && SYMBOLP (XCAR (XCDR (elt)))) | |
db716644 KH |
5001 | val = concat3 (val, SYMBOL_NAME (QCotf), |
5002 | concat2 (equalstr, | |
5003 | SYMBOL_NAME (XCAR (XCDR (elt))))); | |
5004 | } | |
5005 | arg = val; | |
5006 | } | |
72d36834 KH |
5007 | |
5008 | if (CONSP (result) | |
5009 | && VECTORP (XCAR (result)) | |
5010 | && ASIZE (XCAR (result)) > 0 | |
5011 | && FONTP (AREF (XCAR (result), 0))) | |
5012 | result = font_vconcat_entity_vectors (result); | |
d0ab1ebe | 5013 | if (FONTP (result)) |
d26424c5 KH |
5014 | { |
5015 | val = Ffont_xlfd_name (result, Qt); | |
5016 | if (! FONT_SPEC_P (result)) | |
5017 | val = concat3 (SYMBOL_NAME (AREF (result, FONT_TYPE_INDEX)), | |
5018 | build_string (":"), val); | |
5019 | result = val; | |
5020 | } | |
d0ab1ebe KH |
5021 | else if (CONSP (result)) |
5022 | { | |
13a547c6 | 5023 | Lisp_Object tail; |
d0ab1ebe KH |
5024 | result = Fcopy_sequence (result); |
5025 | for (tail = result; CONSP (tail); tail = XCDR (tail)) | |
5026 | { | |
5027 | val = XCAR (tail); | |
5028 | if (FONTP (val)) | |
5029 | val = Ffont_xlfd_name (val, Qt); | |
5030 | XSETCAR (tail, val); | |
5031 | } | |
5032 | } | |
5033 | else if (VECTORP (result)) | |
5034 | { | |
5035 | result = Fcopy_sequence (result); | |
5036 | for (i = 0; i < ASIZE (result); i++) | |
5037 | { | |
5038 | val = AREF (result, i); | |
5039 | if (FONTP (val)) | |
5040 | val = Ffont_xlfd_name (val, Qt); | |
5041 | ASET (result, i, val); | |
5042 | } | |
5043 | } | |
5044 | Vfont_log = Fcons (list3 (intern (action), arg, result), Vfont_log); | |
5045 | } | |
5046 | ||
d0818984 KH |
5047 | /* Record a font-related logging data to be added to Vfont_log when |
5048 | font_add_log is called next time. ACTION, ARG, RESULT are the same | |
5049 | as font_add_log. */ | |
5050 | ||
5051 | void | |
675e2c69 | 5052 | font_deferred_log (const char *action, Lisp_Object arg, Lisp_Object result) |
d0818984 | 5053 | { |
652b9560 KH |
5054 | if (EQ (Vfont_log, Qt)) |
5055 | return; | |
d0818984 KH |
5056 | ASET (Vfont_log_deferred, 0, build_string (action)); |
5057 | ASET (Vfont_log_deferred, 1, arg); | |
5058 | ASET (Vfont_log_deferred, 2, result); | |
ba3de0e8 | 5059 | } |
d0818984 | 5060 | |
c2f5bfd6 | 5061 | void |
971de7fb | 5062 | syms_of_font (void) |
c2f5bfd6 | 5063 | { |
fe6aa7a1 BT |
5064 | #include "font.x" |
5065 | ||
4007dd1c KH |
5066 | sort_shift_bits[FONT_TYPE_INDEX] = 0; |
5067 | sort_shift_bits[FONT_SLANT_INDEX] = 2; | |
5068 | sort_shift_bits[FONT_WEIGHT_INDEX] = 9; | |
5069 | sort_shift_bits[FONT_SIZE_INDEX] = 16; | |
5070 | sort_shift_bits[FONT_WIDTH_INDEX] = 23; | |
5071 | /* Note that the other elements in sort_shift_bits are not used. */ | |
c2f5bfd6 | 5072 | |
1701724c KH |
5073 | staticpro (&font_charset_alist); |
5074 | font_charset_alist = Qnil; | |
5075 | ||
e0708580 | 5076 | DEFSYM (Qopentype, "opentype"); |
c2f5bfd6 | 5077 | |
9e1bb909 | 5078 | DEFSYM (Qascii_0, "ascii-0"); |
1bb1d99b KH |
5079 | DEFSYM (Qiso8859_1, "iso8859-1"); |
5080 | DEFSYM (Qiso10646_1, "iso10646-1"); | |
5081 | DEFSYM (Qunicode_bmp, "unicode-bmp"); | |
cf96c5c2 | 5082 | DEFSYM (Qunicode_sip, "unicode-sip"); |
1bb1d99b | 5083 | |
071132a9 KH |
5084 | DEFSYM (QCf, "Cf"); |
5085 | ||
c2f5bfd6 | 5086 | DEFSYM (QCotf, ":otf"); |
35027d0c | 5087 | DEFSYM (QClang, ":lang"); |
c2f5bfd6 | 5088 | DEFSYM (QCscript, ":script"); |
4c496d0d | 5089 | DEFSYM (QCantialias, ":antialias"); |
c2f5bfd6 KH |
5090 | |
5091 | DEFSYM (QCfoundry, ":foundry"); | |
5092 | DEFSYM (QCadstyle, ":adstyle"); | |
5093 | DEFSYM (QCregistry, ":registry"); | |
9331887d KH |
5094 | DEFSYM (QCspacing, ":spacing"); |
5095 | DEFSYM (QCdpi, ":dpi"); | |
ec6fe57c | 5096 | DEFSYM (QCscalable, ":scalable"); |
35027d0c KH |
5097 | DEFSYM (QCavgwidth, ":avgwidth"); |
5098 | DEFSYM (QCfont_entity, ":font-entity"); | |
5099 | DEFSYM (QCfc_unknown_spec, ":fc-unknown-spec"); | |
c2f5bfd6 | 5100 | |
ec6fe57c KH |
5101 | DEFSYM (Qc, "c"); |
5102 | DEFSYM (Qm, "m"); | |
5103 | DEFSYM (Qp, "p"); | |
5104 | DEFSYM (Qd, "d"); | |
5105 | ||
cf702558 CY |
5106 | DEFSYM (Qja, "ja"); |
5107 | DEFSYM (Qko, "ko"); | |
5108 | ||
42707278 JD |
5109 | DEFSYM (QCuser_spec, "user-spec"); |
5110 | ||
c2f5bfd6 KH |
5111 | staticpro (&scratch_font_spec); |
5112 | scratch_font_spec = Ffont_spec (0, NULL); | |
5113 | staticpro (&scratch_font_prefer); | |
5114 | scratch_font_prefer = Ffont_spec (0, NULL); | |
5115 | ||
d0818984 KH |
5116 | staticpro (&Vfont_log_deferred); |
5117 | Vfont_log_deferred = Fmake_vector (make_number (3), Qnil); | |
5118 | ||
6a3dadd2 | 5119 | #if 0 |
733fd013 KH |
5120 | #ifdef HAVE_LIBOTF |
5121 | staticpro (&otf_list); | |
5122 | otf_list = Qnil; | |
6a3dadd2 KH |
5123 | #endif /* HAVE_LIBOTF */ |
5124 | #endif /* 0 */ | |
733fd013 | 5125 | |
29208e82 | 5126 | DEFVAR_LISP ("font-encoding-alist", Vfont_encoding_alist, |
819e81df KH |
5127 | doc: /* |
5128 | Alist of fontname patterns vs the corresponding encoding and repertory info. | |
5129 | Each element looks like (REGEXP . (ENCODING . REPERTORY)), | |
5130 | where ENCODING is a charset or a char-table, | |
5131 | and REPERTORY is a charset, a char-table, or nil. | |
5132 | ||
027a33c0 | 5133 | If ENCODING and REPERTORY are the same, the element can have the form |
819e81df KH |
5134 | \(REGEXP . ENCODING). |
5135 | ||
5136 | ENCODING is for converting a character to a glyph code of the font. | |
5137 | If ENCODING is a charset, encoding a character by the charset gives | |
5138 | the corresponding glyph code. If ENCODING is a char-table, looking up | |
5139 | the table by a character gives the corresponding glyph code. | |
5140 | ||
5141 | REPERTORY specifies a repertory of characters supported by the font. | |
91af3942 | 5142 | If REPERTORY is a charset, all characters belonging to the charset are |
819e81df | 5143 | supported. If REPERTORY is a char-table, all characters who have a |
027a33c0 | 5144 | non-nil value in the table are supported. If REPERTORY is nil, Emacs |
819e81df KH |
5145 | gets the repertory information by an opened font and ENCODING. */); |
5146 | Vfont_encoding_alist = Qnil; | |
5147 | ||
933ac235 SM |
5148 | /* FIXME: These 3 vars are not quite what they appear: setq on them |
5149 | won't have any effect other than disconnect them from the style | |
5150 | table used by the font display code. So we make them read-only, | |
5151 | to avoid this confusing situation. */ | |
5152 | ||
29208e82 | 5153 | DEFVAR_LISP_NOPRO ("font-weight-table", Vfont_weight_table, |
d0ab1ebe KH |
5154 | doc: /* Vector of valid font weight values. |
5155 | Each element has the form: | |
5156 | [NUMERIC-VALUE SYMBOLIC-NAME ALIAS-NAME ...] | |
17ab8f5d | 5157 | NUMERIC-VALUE is an integer, and SYMBOLIC-NAME and ALIAS-NAME are symbols. */); |
d0ab1ebe | 5158 | Vfont_weight_table = BUILD_STYLE_TABLE (weight_table); |
844e0de1 | 5159 | SET_SYMBOL_CONSTANT (XSYMBOL (intern_c_string ("font-weight-table")), 1); |
d0ab1ebe | 5160 | |
29208e82 | 5161 | DEFVAR_LISP_NOPRO ("font-slant-table", Vfont_slant_table, |
d0ab1ebe | 5162 | doc: /* Vector of font slant symbols vs the corresponding numeric values. |
17ab8f5d | 5163 | See `font-weight-table' for the format of the vector. */); |
d0ab1ebe | 5164 | Vfont_slant_table = BUILD_STYLE_TABLE (slant_table); |
844e0de1 | 5165 | SET_SYMBOL_CONSTANT (XSYMBOL (intern_c_string ("font-slant-table")), 1); |
d0ab1ebe | 5166 | |
29208e82 | 5167 | DEFVAR_LISP_NOPRO ("font-width-table", Vfont_width_table, |
d0ab1ebe | 5168 | doc: /* Alist of font width symbols vs the corresponding numeric values. |
17ab8f5d | 5169 | See `font-weight-table' for the format of the vector. */); |
d0ab1ebe | 5170 | Vfont_width_table = BUILD_STYLE_TABLE (width_table); |
844e0de1 | 5171 | SET_SYMBOL_CONSTANT (XSYMBOL (intern_c_string ("font-width-table")), 1); |
d0ab1ebe KH |
5172 | |
5173 | staticpro (&font_style_table); | |
25721f5b | 5174 | font_style_table = make_uninit_vector (3); |
d0ab1ebe KH |
5175 | ASET (font_style_table, 0, Vfont_weight_table); |
5176 | ASET (font_style_table, 1, Vfont_slant_table); | |
5177 | ASET (font_style_table, 2, Vfont_width_table); | |
5178 | ||
29208e82 | 5179 | DEFVAR_LISP ("font-log", Vfont_log, doc: /* |
d0ab1ebe KH |
5180 | *Logging list of font related actions and results. |
5181 | The value t means to suppress the logging. | |
5182 | The initial value is set to nil if the environment variable | |
5183 | EMACS_FONT_LOG is set. Otherwise, it is set to t. */); | |
5184 | Vfont_log = Qnil; | |
5185 | ||
819e81df | 5186 | #ifdef HAVE_WINDOW_SYSTEM |
c2f5bfd6 | 5187 | #ifdef HAVE_FREETYPE |
35027d0c | 5188 | syms_of_ftfont (); |
c2f5bfd6 | 5189 | #ifdef HAVE_X_WINDOWS |
35027d0c KH |
5190 | syms_of_xfont (); |
5191 | syms_of_ftxfont (); | |
c2f5bfd6 | 5192 | #ifdef HAVE_XFT |
35027d0c | 5193 | syms_of_xftfont (); |
c2f5bfd6 KH |
5194 | #endif /* HAVE_XFT */ |
5195 | #endif /* HAVE_X_WINDOWS */ | |
5196 | #else /* not HAVE_FREETYPE */ | |
5197 | #ifdef HAVE_X_WINDOWS | |
35027d0c | 5198 | syms_of_xfont (); |
c2f5bfd6 KH |
5199 | #endif /* HAVE_X_WINDOWS */ |
5200 | #endif /* not HAVE_FREETYPE */ | |
5201 | #ifdef HAVE_BDFFONT | |
35027d0c | 5202 | syms_of_bdffont (); |
c2f5bfd6 | 5203 | #endif /* HAVE_BDFFONT */ |
0fda9b75 | 5204 | #ifdef HAVE_NTGUI |
35027d0c | 5205 | syms_of_w32font (); |
0fda9b75 | 5206 | #endif /* HAVE_NTGUI */ |
819e81df | 5207 | #endif /* HAVE_WINDOW_SYSTEM */ |
c2f5bfd6 | 5208 | } |
885b7d09 | 5209 | |
652b9560 | 5210 | void |
971de7fb | 5211 | init_font (void) |
652b9560 KH |
5212 | { |
5213 | Vfont_log = egetenv ("EMACS_FONT_LOG") ? Qnil : Qt; | |
5214 | } |