Commit | Line | Data |
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c2f5bfd6 | 1 | /* font.c -- "Font" primitives. |
e9bffc61 | 2 | |
acaf905b | 3 | Copyright (C) 2006-2012 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 | #include <ctype.h> |
d7306fe6 | 27 | #include <setjmp.h> |
c2f5bfd6 KH |
28 | |
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 | ||
43c0454d KH |
40 | #ifdef HAVE_X_WINDOWS |
41 | #include "xterm.h" | |
42 | #endif /* HAVE_X_WINDOWS */ | |
43 | ||
44 | #ifdef HAVE_NTGUI | |
45 | #include "w32term.h" | |
46 | #endif /* HAVE_NTGUI */ | |
47 | ||
edfda783 AR |
48 | #ifdef HAVE_NS |
49 | #include "nsterm.h" | |
50 | #endif /* HAVE_NS */ | |
51 | ||
7990b61a | 52 | Lisp_Object Qopentype; |
e0708580 | 53 | |
35027d0c | 54 | /* Important character set strings. */ |
9e1bb909 | 55 | Lisp_Object Qascii_0, Qiso8859_1, Qiso10646_1, Qunicode_bmp, Qunicode_sip; |
1bb1d99b | 56 | |
edfda783 | 57 | #define DEFAULT_ENCODING Qiso8859_1 |
edfda783 | 58 | |
071132a9 KH |
59 | /* Unicode category `Cf'. */ |
60 | static Lisp_Object QCf; | |
61 | ||
c2f5bfd6 KH |
62 | /* Special vector of zero length. This is repeatedly used by (struct |
63 | font_driver *)->list when a specified font is not found. */ | |
35027d0c | 64 | static Lisp_Object null_vector; |
c2f5bfd6 | 65 | |
d0ab1ebe | 66 | /* Vector of Vfont_weight_table, Vfont_slant_table, and Vfont_width_table. */ |
c2f5bfd6 KH |
67 | static Lisp_Object font_style_table; |
68 | ||
d0ab1ebe KH |
69 | /* Structure used for tables mapping weight, slant, and width numeric |
70 | values and their names. */ | |
71 | ||
72 | struct table_entry | |
73 | { | |
74 | int numeric; | |
75 | /* The first one is a valid name as a face attribute. | |
76 | The second one (if any) is a typical name in XLFD field. */ | |
5e2327cf | 77 | const char *names[5]; |
d0ab1ebe KH |
78 | }; |
79 | ||
80 | /* Table of weight numeric values and their names. This table must be | |
81 | sorted by numeric values in ascending order. */ | |
82 | ||
5e2327cf | 83 | static const struct table_entry weight_table[] = |
d0ab1ebe KH |
84 | { |
85 | { 0, { "thin" }}, | |
86 | { 20, { "ultra-light", "ultralight" }}, | |
87 | { 40, { "extra-light", "extralight" }}, | |
88 | { 50, { "light" }}, | |
89 | { 75, { "semi-light", "semilight", "demilight", "book" }}, | |
c2694a06 | 90 | { 100, { "normal", "medium", "regular", "unspecified" }}, |
d0ab1ebe KH |
91 | { 180, { "semi-bold", "semibold", "demibold", "demi" }}, |
92 | { 200, { "bold" }}, | |
93 | { 205, { "extra-bold", "extrabold" }}, | |
94 | { 210, { "ultra-bold", "ultrabold", "black" }} | |
95 | }; | |
96 | ||
97 | /* Table of slant 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 slant_table[] = |
d0ab1ebe KH |
101 | { |
102 | { 0, { "reverse-oblique", "ro" }}, | |
103 | { 10, { "reverse-italic", "ri" }}, | |
c2694a06 | 104 | { 100, { "normal", "r", "unspecified" }}, |
d0ab1ebe KH |
105 | { 200, { "italic" ,"i", "ot" }}, |
106 | { 210, { "oblique", "o" }} | |
107 | }; | |
108 | ||
109 | /* Table of width numeric values and their names. This table must be | |
110 | sorted by numeric values in ascending order. */ | |
111 | ||
5e2327cf | 112 | static const struct table_entry width_table[] = |
d0ab1ebe KH |
113 | { |
114 | { 50, { "ultra-condensed", "ultracondensed" }}, | |
115 | { 63, { "extra-condensed", "extracondensed" }}, | |
116 | { 75, { "condensed", "compressed", "narrow" }}, | |
117 | { 87, { "semi-condensed", "semicondensed", "demicondensed" }}, | |
c2694a06 | 118 | { 100, { "normal", "medium", "regular", "unspecified" }}, |
d0ab1ebe KH |
119 | { 113, { "semi-expanded", "semiexpanded", "demiexpanded" }}, |
120 | { 125, { "expanded" }}, | |
121 | { 150, { "extra-expanded", "extraexpanded" }}, | |
122 | { 200, { "ultra-expanded", "ultraexpanded", "wide" }} | |
123 | }; | |
124 | ||
2f7c71a1 AS |
125 | Lisp_Object QCfoundry; |
126 | static Lisp_Object QCadstyle, QCregistry; | |
c2f5bfd6 | 127 | /* Symbols representing keys of font extra info. */ |
35027d0c | 128 | Lisp_Object QCspacing, QCdpi, QCscalable, QCotf, QClang, QCscript, QCavgwidth; |
955cbe7b PE |
129 | Lisp_Object QCantialias, QCfont_entity; |
130 | static Lisp_Object QCfc_unknown_spec; | |
ec6fe57c | 131 | /* Symbols representing values of font spacing property. */ |
955cbe7b PE |
132 | static Lisp_Object Qc, Qm, Qd; |
133 | Lisp_Object Qp; | |
cf702558 CY |
134 | /* Special ADSTYLE properties to avoid fonts used for Latin |
135 | characters; used in xfont.c and ftfont.c. */ | |
136 | Lisp_Object Qja, Qko; | |
c2f5bfd6 | 137 | |
955cbe7b | 138 | static Lisp_Object QCuser_spec; |
42707278 | 139 | |
56dd2d86 | 140 | /* Alist of font registry symbols and the corresponding charset |
1701724c KH |
141 | information. The information is retrieved from |
142 | Vfont_encoding_alist on demand. | |
143 | ||
144 | Eash element has the form: | |
145 | (REGISTRY . (ENCODING-CHARSET-ID . REPERTORY-CHARSET-ID)) | |
146 | or | |
147 | (REGISTRY . nil) | |
148 | ||
149 | In the former form, ENCODING-CHARSET-ID is an ID of a charset that | |
150 | encodes a character code to a glyph code of a font, and | |
151 | REPERTORY-CHARSET-ID is an ID of a charset that tells if a | |
152 | character is supported by a font. | |
153 | ||
154 | The latter form means that the information for REGISTRY couldn't be | |
155 | retrieved. */ | |
156 | static Lisp_Object font_charset_alist; | |
157 | ||
f697fff0 KH |
158 | /* List of all font drivers. Each font-backend (XXXfont.c) calls |
159 | register_font_driver in syms_of_XXXfont to register its font-driver | |
c2f5bfd6 KH |
160 | here. */ |
161 | static struct font_driver_list *font_driver_list; | |
162 | ||
35027d0c KH |
163 | \f |
164 | ||
fe3c5669 | 165 | /* Creators of font-related Lisp object. */ |
35027d0c | 166 | |
2f7c71a1 | 167 | static Lisp_Object |
971de7fb | 168 | font_make_spec (void) |
35027d0c KH |
169 | { |
170 | Lisp_Object font_spec; | |
171 | struct font_spec *spec | |
172 | = ((struct font_spec *) | |
173 | allocate_pseudovector (VECSIZE (struct font_spec), | |
174 | FONT_SPEC_MAX, PVEC_FONT)); | |
175 | XSETFONT (font_spec, spec); | |
176 | return font_spec; | |
177 | } | |
178 | ||
179 | Lisp_Object | |
971de7fb | 180 | font_make_entity (void) |
35027d0c KH |
181 | { |
182 | Lisp_Object font_entity; | |
183 | struct font_entity *entity | |
184 | = ((struct font_entity *) | |
185 | allocate_pseudovector (VECSIZE (struct font_entity), | |
186 | FONT_ENTITY_MAX, PVEC_FONT)); | |
187 | XSETFONT (font_entity, entity); | |
188 | return font_entity; | |
189 | } | |
190 | ||
51c13510 KH |
191 | /* Create a font-object whose structure size is SIZE. If ENTITY is |
192 | not nil, copy properties from ENTITY to the font-object. If | |
193 | PIXELSIZE is positive, set the `size' property to PIXELSIZE. */ | |
35027d0c | 194 | Lisp_Object |
971de7fb | 195 | font_make_object (int size, Lisp_Object entity, int pixelsize) |
35027d0c KH |
196 | { |
197 | Lisp_Object font_object; | |
198 | struct font *font | |
199 | = (struct font *) allocate_pseudovector (size, FONT_OBJECT_MAX, PVEC_FONT); | |
51c13510 KH |
200 | int i; |
201 | ||
35027d0c KH |
202 | XSETFONT (font_object, font); |
203 | ||
51c13510 KH |
204 | if (! NILP (entity)) |
205 | { | |
206 | for (i = 1; i < FONT_SPEC_MAX; i++) | |
207 | font->props[i] = AREF (entity, i); | |
208 | if (! NILP (AREF (entity, FONT_EXTRA_INDEX))) | |
209 | font->props[FONT_EXTRA_INDEX] | |
581e51e8 | 210 | = Fcopy_alist (AREF (entity, FONT_EXTRA_INDEX)); |
51c13510 KH |
211 | } |
212 | if (size > 0) | |
213 | font->props[FONT_SIZE_INDEX] = make_number (pixelsize); | |
35027d0c KH |
214 | return font_object; |
215 | } | |
216 | ||
217 | \f | |
218 | ||
f57e2426 J |
219 | static int font_pixel_size (FRAME_PTR f, Lisp_Object); |
220 | static Lisp_Object font_open_entity (FRAME_PTR, Lisp_Object, int); | |
221 | static Lisp_Object font_matching_entity (FRAME_PTR, Lisp_Object *, | |
222 | Lisp_Object); | |
2f7c71a1 | 223 | static unsigned font_encode_char (Lisp_Object, int); |
c2f5bfd6 KH |
224 | |
225 | /* Number of registered font drivers. */ | |
226 | static int num_font_drivers; | |
227 | ||
35027d0c KH |
228 | |
229 | /* Return a Lispy value of a font property value at STR and LEN bytes. | |
56dd2d86 EZ |
230 | If STR is "*", return nil. |
231 | If FORCE_SYMBOL is zero and all characters in STR are digits, | |
232 | return an integer. Otherwise, return a symbol interned from | |
2f286d4f | 233 | STR. */ |
35027d0c KH |
234 | |
235 | Lisp_Object | |
ccd6111c | 236 | font_intern_prop (const char *str, ptrdiff_t len, int force_symbol) |
35027d0c | 237 | { |
ccd6111c | 238 | ptrdiff_t i; |
d0ab1ebe | 239 | Lisp_Object tem; |
35027d0c | 240 | Lisp_Object obarray; |
d311d28c | 241 | ptrdiff_t nbytes, nchars; |
35027d0c KH |
242 | |
243 | if (len == 1 && *str == '*') | |
244 | return Qnil; | |
da3f12b2 | 245 | if (!force_symbol && 0 < len && '0' <= *str && *str <= '9') |
35027d0c KH |
246 | { |
247 | for (i = 1; i < len; i++) | |
da3f12b2 | 248 | if (! ('0' <= str[i] && str[i] <= '9')) |
35027d0c KH |
249 | break; |
250 | if (i == len) | |
ccd6111c | 251 | { |
da3f12b2 PE |
252 | EMACS_INT n; |
253 | ||
254 | i = 0; | |
255 | for (n = 0; (n += str[i++] - '0') <= MOST_POSITIVE_FIXNUM; n *= 10) | |
256 | { | |
257 | if (i == len) | |
258 | return make_number (n); | |
259 | if (MOST_POSITIVE_FIXNUM / 10 < n) | |
260 | break; | |
261 | } | |
262 | ||
263 | xsignal1 (Qoverflow_error, make_string (str, len)); | |
ccd6111c | 264 | } |
35027d0c KH |
265 | } |
266 | ||
545312c2 | 267 | /* The following code is copied from the function intern (in |
56dd2d86 | 268 | lread.c), and modified to suit our purpose. */ |
35027d0c | 269 | obarray = Vobarray; |
77b37c05 | 270 | if (!VECTORP (obarray) || ASIZE (obarray) == 0) |
35027d0c | 271 | obarray = check_obarray (obarray); |
72d36834 | 272 | parse_str_as_multibyte ((unsigned char *) str, len, &nchars, &nbytes); |
545312c2 KH |
273 | if (len == nchars || len != nbytes) |
274 | /* CONTENTS contains no multibyte sequences or contains an invalid | |
275 | multibyte sequence. We'll make a unibyte string. */ | |
276 | tem = oblookup (obarray, str, len, len); | |
277 | else | |
278 | tem = oblookup (obarray, str, nchars, len); | |
35027d0c KH |
279 | if (SYMBOLP (tem)) |
280 | return tem; | |
545312c2 KH |
281 | if (len == nchars || len != nbytes) |
282 | tem = make_unibyte_string (str, len); | |
283 | else | |
284 | tem = make_multibyte_string (str, nchars, len); | |
285 | return Fintern (tem, obarray); | |
35027d0c KH |
286 | } |
287 | ||
9331887d | 288 | /* Return a pixel size of font-spec SPEC on frame F. */ |
ec6fe57c | 289 | |
9331887d | 290 | static int |
971de7fb | 291 | font_pixel_size (FRAME_PTR f, Lisp_Object spec) |
9331887d | 292 | { |
819e81df | 293 | #ifdef HAVE_WINDOW_SYSTEM |
9331887d KH |
294 | Lisp_Object size = AREF (spec, FONT_SIZE_INDEX); |
295 | double point_size; | |
35027d0c | 296 | int dpi, pixel_size; |
d0ab1ebe | 297 | Lisp_Object val; |
51c01100 | 298 | |
9331887d KH |
299 | if (INTEGERP (size)) |
300 | return XINT (size); | |
301 | if (NILP (size)) | |
819e81df | 302 | return 0; |
d0ab1ebe | 303 | font_assert (FLOATP (size)); |
9331887d | 304 | point_size = XFLOAT_DATA (size); |
35027d0c KH |
305 | val = AREF (spec, FONT_DPI_INDEX); |
306 | if (INTEGERP (val)) | |
17e28f6d | 307 | dpi = XINT (val); |
9331887d KH |
308 | else |
309 | dpi = f->resy; | |
310 | pixel_size = POINT_TO_PIXEL (point_size, dpi); | |
311 | return pixel_size; | |
819e81df KH |
312 | #else |
313 | return 1; | |
314 | #endif | |
9331887d KH |
315 | } |
316 | ||
c2f5bfd6 | 317 | |
35027d0c KH |
318 | /* Return a value of PROP's VAL (symbol or integer) to be stored in a |
319 | font vector. If VAL is not valid (i.e. not registered in | |
320 | font_style_table), return -1 if NOERROR is zero, and return a | |
321 | proper index if NOERROR is nonzero. In that case, register VAL in | |
56dd2d86 | 322 | font_style_table if VAL is a symbol, and return the closest index if |
35027d0c | 323 | VAL is an integer. */ |
c2f5bfd6 | 324 | |
35027d0c | 325 | int |
971de7fb | 326 | font_style_to_value (enum font_property_index prop, Lisp_Object val, int noerror) |
c2f5bfd6 | 327 | { |
35027d0c | 328 | Lisp_Object table = AREF (font_style_table, prop - FONT_WEIGHT_INDEX); |
c5e4379c AS |
329 | int len; |
330 | ||
331 | CHECK_VECTOR (table); | |
332 | len = ASIZE (table); | |
c2f5bfd6 | 333 | |
35027d0c | 334 | if (SYMBOLP (val)) |
c2f5bfd6 | 335 | { |
13a547c6 | 336 | int i, j; |
25a48bd0 | 337 | char *s; |
35027d0c KH |
338 | Lisp_Object args[2], elt; |
339 | ||
340 | /* At first try exact match. */ | |
341 | for (i = 0; i < len; i++) | |
c5e4379c AS |
342 | { |
343 | CHECK_VECTOR (AREF (table, i)); | |
344 | for (j = 1; j < ASIZE (AREF (table, i)); j++) | |
345 | if (EQ (val, AREF (AREF (table, i), j))) | |
346 | { | |
347 | CHECK_NUMBER (AREF (AREF (table, i), 0)); | |
348 | return ((XINT (AREF (AREF (table, i), 0)) << 8) | |
349 | | (i << 4) | (j - 1)); | |
350 | } | |
351 | } | |
35027d0c | 352 | /* Try also with case-folding match. */ |
25a48bd0 | 353 | s = SSDATA (SYMBOL_NAME (val)); |
35027d0c | 354 | for (i = 0; i < len; i++) |
d0ab1ebe KH |
355 | for (j = 1; j < ASIZE (AREF (table, i)); j++) |
356 | { | |
357 | elt = AREF (AREF (table, i), j); | |
25a48bd0 | 358 | if (xstrcasecmp (s, SSDATA (SYMBOL_NAME (elt))) == 0) |
c5e4379c AS |
359 | { |
360 | CHECK_NUMBER (AREF (AREF (table, i), 0)); | |
361 | return ((XINT (AREF (AREF (table, i), 0)) << 8) | |
362 | | (i << 4) | (j - 1)); | |
363 | } | |
d0ab1ebe | 364 | } |
35027d0c KH |
365 | if (! noerror) |
366 | return -1; | |
367 | if (len == 255) | |
368 | abort (); | |
c2694a06 | 369 | elt = Fmake_vector (make_number (2), make_number (100)); |
d0ab1ebe | 370 | ASET (elt, 1, val); |
35027d0c | 371 | args[0] = table; |
d0ab1ebe | 372 | args[1] = Fmake_vector (make_number (1), elt); |
35027d0c | 373 | ASET (font_style_table, prop - FONT_WEIGHT_INDEX, Fvconcat (2, args)); |
c2694a06 | 374 | return (100 << 8) | (i << 4); |
c2f5bfd6 | 375 | } |
35027d0c KH |
376 | else |
377 | { | |
d0ab1ebe | 378 | int i, last_n; |
d311d28c | 379 | EMACS_INT numeric = XINT (val); |
c2f5bfd6 | 380 | |
d0ab1ebe | 381 | for (i = 0, last_n = -1; i < len; i++) |
35027d0c | 382 | { |
c5e4379c | 383 | int n; |
c2f5bfd6 | 384 | |
c5e4379c AS |
385 | CHECK_VECTOR (AREF (table, i)); |
386 | CHECK_NUMBER (AREF (AREF (table, i), 0)); | |
387 | n = XINT (AREF (AREF (table, i), 0)); | |
35027d0c | 388 | if (numeric == n) |
d0ab1ebe | 389 | return (n << 8) | (i << 4); |
35027d0c KH |
390 | if (numeric < n) |
391 | { | |
392 | if (! noerror) | |
393 | return -1; | |
d0ab1ebe KH |
394 | return ((i == 0 || n - numeric < numeric - last_n) |
395 | ? (n << 8) | (i << 4): (last_n << 8 | ((i - 1) << 4))); | |
35027d0c | 396 | } |
35027d0c | 397 | last_n = n; |
35027d0c KH |
398 | } |
399 | if (! noerror) | |
400 | return -1; | |
d0ab1ebe | 401 | return ((last_n << 8) | ((i - 1) << 4)); |
35027d0c KH |
402 | } |
403 | } | |
c2f5bfd6 KH |
404 | |
405 | Lisp_Object | |
971de7fb | 406 | font_style_symbolic (Lisp_Object font, enum font_property_index prop, int for_face) |
c2f5bfd6 | 407 | { |
3ef8c1b4 | 408 | Lisp_Object val = AREF (font, prop); |
d0ab1ebe KH |
409 | Lisp_Object table, elt; |
410 | int i; | |
c2f5bfd6 | 411 | |
35027d0c KH |
412 | if (NILP (val)) |
413 | return Qnil; | |
414 | table = AREF (font_style_table, prop - FONT_WEIGHT_INDEX); | |
c5e4379c | 415 | CHECK_VECTOR (table); |
d0ab1ebe KH |
416 | i = XINT (val) & 0xFF; |
417 | font_assert (((i >> 4) & 0xF) < ASIZE (table)); | |
418 | elt = AREF (table, ((i >> 4) & 0xF)); | |
c5e4379c | 419 | CHECK_VECTOR (elt); |
d0ab1ebe | 420 | font_assert ((i & 0xF) + 1 < ASIZE (elt)); |
c5e4379c AS |
421 | elt = (for_face ? AREF (elt, 1) : AREF (elt, (i & 0xF) + 1)); |
422 | CHECK_SYMBOL (elt); | |
423 | return elt; | |
6fe9826d JR |
424 | } |
425 | ||
819e81df KH |
426 | /* Return ENCODING or a cons of ENCODING and REPERTORY of the font |
427 | FONTNAME. ENCODING is a charset symbol that specifies the encoding | |
428 | of the font. REPERTORY is a charset symbol or nil. */ | |
429 | ||
430 | Lisp_Object | |
971de7fb | 431 | find_font_encoding (Lisp_Object fontname) |
819e81df KH |
432 | { |
433 | Lisp_Object tail, elt; | |
434 | ||
435 | for (tail = Vfont_encoding_alist; CONSP (tail); tail = XCDR (tail)) | |
436 | { | |
437 | elt = XCAR (tail); | |
438 | if (CONSP (elt) | |
439 | && STRINGP (XCAR (elt)) | |
440 | && fast_string_match_ignore_case (XCAR (elt), fontname) >= 0 | |
441 | && (SYMBOLP (XCDR (elt)) | |
442 | ? CHARSETP (XCDR (elt)) | |
443 | : CONSP (XCDR (elt)) && CHARSETP (XCAR (XCDR (elt))))) | |
444 | return (XCDR (elt)); | |
445 | } | |
182ba28c | 446 | return Qnil; |
819e81df KH |
447 | } |
448 | ||
1701724c KH |
449 | /* Return encoding charset and repertory charset for REGISTRY in |
450 | ENCODING and REPERTORY correspondingly. If correct information for | |
451 | REGISTRY is available, return 0. Otherwise return -1. */ | |
452 | ||
453 | int | |
971de7fb | 454 | font_registry_charsets (Lisp_Object registry, struct charset **encoding, struct charset **repertory) |
1701724c KH |
455 | { |
456 | Lisp_Object val; | |
457 | int encoding_id, repertory_id; | |
458 | ||
35027d0c | 459 | val = Fassoc_string (registry, font_charset_alist, Qt); |
1701724c KH |
460 | if (! NILP (val)) |
461 | { | |
462 | val = XCDR (val); | |
463 | if (NILP (val)) | |
464 | return -1; | |
465 | encoding_id = XINT (XCAR (val)); | |
466 | repertory_id = XINT (XCDR (val)); | |
467 | } | |
468 | else | |
469 | { | |
470 | val = find_font_encoding (SYMBOL_NAME (registry)); | |
471 | if (SYMBOLP (val) && CHARSETP (val)) | |
472 | { | |
473 | encoding_id = repertory_id = XINT (CHARSET_SYMBOL_ID (val)); | |
474 | } | |
475 | else if (CONSP (val)) | |
476 | { | |
477 | if (! CHARSETP (XCAR (val))) | |
478 | goto invalid_entry; | |
479 | encoding_id = XINT (CHARSET_SYMBOL_ID (XCAR (val))); | |
480 | if (NILP (XCDR (val))) | |
481 | repertory_id = -1; | |
482 | else | |
483 | { | |
484 | if (! CHARSETP (XCDR (val))) | |
485 | goto invalid_entry; | |
486 | repertory_id = XINT (CHARSET_SYMBOL_ID (XCDR (val))); | |
487 | } | |
51c01100 | 488 | } |
1701724c KH |
489 | else |
490 | goto invalid_entry; | |
491 | val = Fcons (make_number (encoding_id), make_number (repertory_id)); | |
492 | font_charset_alist | |
493 | = nconc2 (font_charset_alist, Fcons (Fcons (registry, val), Qnil)); | |
494 | } | |
495 | ||
496 | if (encoding) | |
497 | *encoding = CHARSET_FROM_ID (encoding_id); | |
498 | if (repertory) | |
499 | *repertory = repertory_id >= 0 ? CHARSET_FROM_ID (repertory_id) : NULL; | |
500 | return 0; | |
501 | ||
502 | invalid_entry: | |
503 | font_charset_alist | |
504 | = nconc2 (font_charset_alist, Fcons (Fcons (registry, Qnil), Qnil)); | |
505 | return -1; | |
506 | } | |
507 | ||
c2f5bfd6 | 508 | \f |
56dd2d86 | 509 | /* Font property value validators. See the comment of |
45eb10fb KH |
510 | font_property_table for the meaning of the arguments. */ |
511 | ||
f57e2426 J |
512 | static Lisp_Object font_prop_validate (int, Lisp_Object, Lisp_Object); |
513 | static Lisp_Object font_prop_validate_symbol (Lisp_Object, Lisp_Object); | |
514 | static Lisp_Object font_prop_validate_style (Lisp_Object, Lisp_Object); | |
515 | static Lisp_Object font_prop_validate_non_neg (Lisp_Object, Lisp_Object); | |
516 | static Lisp_Object font_prop_validate_spacing (Lisp_Object, Lisp_Object); | |
517 | static int get_font_prop_index (Lisp_Object); | |
c2f5bfd6 KH |
518 | |
519 | static Lisp_Object | |
971de7fb | 520 | font_prop_validate_symbol (Lisp_Object prop, Lisp_Object val) |
c2f5bfd6 KH |
521 | { |
522 | if (STRINGP (val)) | |
35027d0c KH |
523 | val = Fintern (val, Qnil); |
524 | if (! SYMBOLP (val)) | |
c2f5bfd6 | 525 | val = Qerror; |
35027d0c KH |
526 | else if (EQ (prop, QCregistry)) |
527 | val = Fintern (Fdowncase (SYMBOL_NAME (val)), Qnil); | |
c2f5bfd6 KH |
528 | return val; |
529 | } | |
530 | ||
35027d0c | 531 | |
c2f5bfd6 | 532 | static Lisp_Object |
971de7fb | 533 | font_prop_validate_style (Lisp_Object style, Lisp_Object val) |
c2f5bfd6 | 534 | { |
35027d0c KH |
535 | enum font_property_index prop = (EQ (style, QCweight) ? FONT_WEIGHT_INDEX |
536 | : EQ (style, QCslant) ? FONT_SLANT_INDEX | |
537 | : FONT_WIDTH_INDEX); | |
35027d0c | 538 | if (INTEGERP (val)) |
c2f5bfd6 | 539 | { |
d311d28c | 540 | EMACS_INT n = XINT (val); |
c5e4379c | 541 | CHECK_VECTOR (AREF (font_style_table, prop - FONT_WEIGHT_INDEX)); |
64b900e3 | 542 | if (((n >> 4) & 0xF) |
35027d0c | 543 | >= ASIZE (AREF (font_style_table, prop - FONT_WEIGHT_INDEX))) |
c2f5bfd6 KH |
544 | val = Qerror; |
545 | else | |
546 | { | |
64b900e3 KH |
547 | Lisp_Object elt = AREF (AREF (font_style_table, prop - FONT_WEIGHT_INDEX), (n >> 4) & 0xF); |
548 | ||
c5e4379c | 549 | CHECK_VECTOR (elt); |
64b900e3 KH |
550 | if ((n & 0xF) + 1 >= ASIZE (elt)) |
551 | val = Qerror; | |
c5e4379c AS |
552 | else |
553 | { | |
554 | CHECK_NUMBER (AREF (elt, 0)); | |
555 | if (XINT (AREF (elt, 0)) != (n >> 8)) | |
556 | val = Qerror; | |
557 | } | |
c2f5bfd6 KH |
558 | } |
559 | } | |
35027d0c KH |
560 | else if (SYMBOLP (val)) |
561 | { | |
562 | int n = font_style_to_value (prop, val, 0); | |
563 | ||
564 | val = n >= 0 ? make_number (n) : Qerror; | |
565 | } | |
566 | else | |
567 | val = Qerror; | |
c2f5bfd6 KH |
568 | return val; |
569 | } | |
570 | ||
571 | static Lisp_Object | |
971de7fb | 572 | font_prop_validate_non_neg (Lisp_Object prop, Lisp_Object val) |
c2f5bfd6 KH |
573 | { |
574 | return (NATNUMP (val) || (FLOATP (val) && XFLOAT_DATA (val) >= 0) | |
575 | ? val : Qerror); | |
576 | } | |
577 | ||
578 | static Lisp_Object | |
971de7fb | 579 | font_prop_validate_spacing (Lisp_Object prop, Lisp_Object val) |
ec6fe57c KH |
580 | { |
581 | if (NILP (val) || (NATNUMP (val) && XINT (val) <= FONT_SPACING_CHARCELL)) | |
582 | return val; | |
3692570f KH |
583 | if (SYMBOLP (val) && SBYTES (SYMBOL_NAME (val)) == 1) |
584 | { | |
585 | char spacing = SDATA (SYMBOL_NAME (val))[0]; | |
586 | ||
587 | if (spacing == 'c' || spacing == 'C') | |
588 | return make_number (FONT_SPACING_CHARCELL); | |
589 | if (spacing == 'm' || spacing == 'M') | |
590 | return make_number (FONT_SPACING_MONO); | |
0615d903 | 591 | if (spacing == 'p' || spacing == 'P') |
3692570f KH |
592 | return make_number (FONT_SPACING_PROPORTIONAL); |
593 | if (spacing == 'd' || spacing == 'D') | |
594 | return make_number (FONT_SPACING_DUAL); | |
595 | } | |
ec6fe57c KH |
596 | return Qerror; |
597 | } | |
598 | ||
1701724c | 599 | static Lisp_Object |
971de7fb | 600 | font_prop_validate_otf (Lisp_Object prop, Lisp_Object val) |
1701724c KH |
601 | { |
602 | Lisp_Object tail, tmp; | |
603 | int i; | |
604 | ||
605 | /* VAL = (SCRIPT [ LANGSYS [ GSUB-FEATURES [ GPOS-FEATURES ]]]) | |
606 | GSUB-FEATURES = (FEATURE ... [ nil FEATURE ... ]) | nil | |
607 | GPOS-FEATURES = (FEATURE ... [ nil FEATURE ... ]) | nil */ | |
608 | if (! CONSP (val)) | |
609 | return Qerror; | |
610 | if (! SYMBOLP (XCAR (val))) | |
611 | return Qerror; | |
612 | tail = XCDR (val); | |
613 | if (NILP (tail)) | |
614 | return val; | |
615 | if (! CONSP (tail) || ! SYMBOLP (XCAR (val))) | |
616 | return Qerror; | |
617 | for (i = 0; i < 2; i++) | |
618 | { | |
619 | tail = XCDR (tail); | |
620 | if (NILP (tail)) | |
621 | return val; | |
622 | if (! CONSP (tail)) | |
623 | return Qerror; | |
624 | for (tmp = XCAR (tail); CONSP (tmp); tmp = XCDR (tmp)) | |
625 | if (! SYMBOLP (XCAR (tmp))) | |
626 | return Qerror; | |
627 | if (! NILP (tmp)) | |
628 | return Qerror; | |
629 | } | |
630 | return val; | |
631 | } | |
632 | ||
56dd2d86 | 633 | /* Structure of known font property keys and validator of the |
ec6fe57c | 634 | values. */ |
04bab72c | 635 | static const struct |
c2f5bfd6 | 636 | { |
ec6fe57c | 637 | /* Pointer to the key symbol. */ |
c2f5bfd6 | 638 | Lisp_Object *key; |
45eb10fb KH |
639 | /* Function to validate PROP's value VAL, or NULL if any value is |
640 | ok. The value is VAL or its regularized value if VAL is valid, | |
641 | and Qerror if not. */ | |
c80e3b4a | 642 | Lisp_Object (*validator) (Lisp_Object prop, Lisp_Object val); |
ec6fe57c KH |
643 | } font_property_table[] = |
644 | { { &QCtype, font_prop_validate_symbol }, | |
c2f5bfd6 KH |
645 | { &QCfoundry, font_prop_validate_symbol }, |
646 | { &QCfamily, font_prop_validate_symbol }, | |
647 | { &QCadstyle, font_prop_validate_symbol }, | |
648 | { &QCregistry, font_prop_validate_symbol }, | |
649 | { &QCweight, font_prop_validate_style }, | |
650 | { &QCslant, font_prop_validate_style }, | |
651 | { &QCwidth, font_prop_validate_style }, | |
ec6fe57c | 652 | { &QCsize, font_prop_validate_non_neg }, |
ec6fe57c KH |
653 | { &QCdpi, font_prop_validate_non_neg }, |
654 | { &QCspacing, font_prop_validate_spacing }, | |
35027d0c KH |
655 | { &QCavgwidth, font_prop_validate_non_neg }, |
656 | /* The order of the above entries must match with enum | |
657 | font_property_index. */ | |
658 | { &QClang, font_prop_validate_symbol }, | |
659 | { &QCscript, font_prop_validate_symbol }, | |
660 | { &QCotf, font_prop_validate_otf } | |
c2f5bfd6 KH |
661 | }; |
662 | ||
45eb10fb | 663 | /* Size (number of elements) of the above table. */ |
ec6fe57c KH |
664 | #define FONT_PROPERTY_TABLE_SIZE \ |
665 | ((sizeof font_property_table) / (sizeof *font_property_table)) | |
666 | ||
45eb10fb | 667 | /* Return an index number of font property KEY or -1 if KEY is not an |
35027d0c | 668 | already known property. */ |
45eb10fb | 669 | |
ec6fe57c | 670 | static int |
971de7fb | 671 | get_font_prop_index (Lisp_Object key) |
c2f5bfd6 | 672 | { |
35027d0c KH |
673 | int i; |
674 | ||
675 | for (i = 0; i < FONT_PROPERTY_TABLE_SIZE; i++) | |
676 | if (EQ (key, *font_property_table[i].key)) | |
677 | return i; | |
ec6fe57c | 678 | return -1; |
c2f5bfd6 KH |
679 | } |
680 | ||
35027d0c KH |
681 | /* Validate the font property. The property key is specified by the |
682 | symbol PROP, or the index IDX (if PROP is nil). If VAL is invalid, | |
683 | signal an error. The value is VAL or the regularized one. */ | |
45eb10fb | 684 | |
c2f5bfd6 | 685 | static Lisp_Object |
971de7fb | 686 | font_prop_validate (int idx, Lisp_Object prop, Lisp_Object val) |
c2f5bfd6 | 687 | { |
35027d0c | 688 | Lisp_Object validated; |
c2f5bfd6 | 689 | |
1f09f444 KH |
690 | if (NILP (val)) |
691 | return val; | |
35027d0c KH |
692 | if (NILP (prop)) |
693 | prop = *font_property_table[idx].key; | |
694 | else | |
ec6fe57c | 695 | { |
35027d0c KH |
696 | idx = get_font_prop_index (prop); |
697 | if (idx < 0) | |
698 | return val; | |
ec6fe57c | 699 | } |
c80e3b4a | 700 | validated = (font_property_table[idx].validator) (prop, val); |
35027d0c KH |
701 | if (EQ (validated, Qerror)) |
702 | signal_error ("invalid font property", Fcons (prop, val)); | |
703 | return validated; | |
c2f5bfd6 | 704 | } |
51c01100 | 705 | |
35027d0c KH |
706 | |
707 | /* Store VAL as a value of extra font property PROP in FONT while | |
708 | keeping the sorting order. Don't check the validity of VAL. */ | |
45eb10fb | 709 | |
01dbeb0b | 710 | Lisp_Object |
971de7fb | 711 | font_put_extra (Lisp_Object font, Lisp_Object prop, Lisp_Object val) |
9331887d KH |
712 | { |
713 | Lisp_Object extra = AREF (font, FONT_EXTRA_INDEX); | |
ec6fe57c | 714 | Lisp_Object slot = (NILP (extra) ? Qnil : assq_no_quit (prop, extra)); |
9331887d KH |
715 | |
716 | if (NILP (slot)) | |
717 | { | |
35027d0c KH |
718 | Lisp_Object prev = Qnil; |
719 | ||
720 | while (CONSP (extra) | |
721 | && NILP (Fstring_lessp (prop, XCAR (XCAR (extra))))) | |
722 | prev = extra, extra = XCDR (extra); | |
581e51e8 | 723 | |
ce75f06e | 724 | if (NILP (prev)) |
581e51e8 | 725 | ASET (font, FONT_EXTRA_INDEX, Fcons (Fcons (prop, val), extra)); |
ce75f06e | 726 | else |
581e51e8 | 727 | XSETCDR (prev, Fcons (Fcons (prop, val), extra)); |
ce75f06e | 728 | |
ec6fe57c | 729 | return val; |
9331887d | 730 | } |
9331887d | 731 | XSETCDR (slot, val); |
483670b5 KH |
732 | if (NILP (val)) |
733 | ASET (font, FONT_EXTRA_INDEX, Fdelq (slot, extra)); | |
ec6fe57c | 734 | return val; |
9331887d KH |
735 | } |
736 | ||
c2f5bfd6 KH |
737 | \f |
738 | /* Font name parser and unparser */ | |
739 | ||
8ea90aa3 | 740 | static int parse_matrix (const char *); |
f57e2426 | 741 | static int font_expand_wildcards (Lisp_Object *, int); |
09d93395 | 742 | static int font_parse_name (char *, Lisp_Object); |
c2f5bfd6 | 743 | |
ec6fe57c | 744 | /* An enumerator for each field of an XLFD font name. */ |
c2f5bfd6 KH |
745 | enum xlfd_field_index |
746 | { | |
747 | XLFD_FOUNDRY_INDEX, | |
748 | XLFD_FAMILY_INDEX, | |
749 | XLFD_WEIGHT_INDEX, | |
750 | XLFD_SLANT_INDEX, | |
751 | XLFD_SWIDTH_INDEX, | |
752 | XLFD_ADSTYLE_INDEX, | |
4485a28e KH |
753 | XLFD_PIXEL_INDEX, |
754 | XLFD_POINT_INDEX, | |
c2f5bfd6 KH |
755 | XLFD_RESX_INDEX, |
756 | XLFD_RESY_INDEX, | |
757 | XLFD_SPACING_INDEX, | |
758 | XLFD_AVGWIDTH_INDEX, | |
759 | XLFD_REGISTRY_INDEX, | |
760 | XLFD_ENCODING_INDEX, | |
761 | XLFD_LAST_INDEX | |
762 | }; | |
763 | ||
ec6fe57c | 764 | /* An enumerator for mask bit corresponding to each XLFD field. */ |
4485a28e KH |
765 | enum xlfd_field_mask |
766 | { | |
767 | XLFD_FOUNDRY_MASK = 0x0001, | |
768 | XLFD_FAMILY_MASK = 0x0002, | |
769 | XLFD_WEIGHT_MASK = 0x0004, | |
770 | XLFD_SLANT_MASK = 0x0008, | |
771 | XLFD_SWIDTH_MASK = 0x0010, | |
772 | XLFD_ADSTYLE_MASK = 0x0020, | |
773 | XLFD_PIXEL_MASK = 0x0040, | |
774 | XLFD_POINT_MASK = 0x0080, | |
775 | XLFD_RESX_MASK = 0x0100, | |
776 | XLFD_RESY_MASK = 0x0200, | |
777 | XLFD_SPACING_MASK = 0x0400, | |
778 | XLFD_AVGWIDTH_MASK = 0x0800, | |
779 | XLFD_REGISTRY_MASK = 0x1000, | |
780 | XLFD_ENCODING_MASK = 0x2000 | |
781 | }; | |
782 | ||
783 | ||
56dd2d86 | 784 | /* Parse P pointing to the pixel/point size field of the form |
c2f5bfd6 KH |
785 | `[A B C D]' which specifies a transformation matrix: |
786 | ||
787 | A B 0 | |
788 | C D 0 | |
789 | 0 0 1 | |
790 | ||
791 | by which all glyphs of the font are transformed. The spec says | |
792 | that scalar value N for the pixel/point size is equivalent to: | |
793 | A = N * resx/resy, B = C = 0, D = N. | |
794 | ||
795 | Return the scalar value N if the form is valid. Otherwise return | |
796 | -1. */ | |
797 | ||
798 | static int | |
8ea90aa3 | 799 | parse_matrix (const char *p) |
c2f5bfd6 KH |
800 | { |
801 | double matrix[4]; | |
802 | char *end; | |
803 | int i; | |
804 | ||
805 | for (i = 0, p++; i < 4 && *p && *p != ']'; i++) | |
806 | { | |
807 | if (*p == '~') | |
808 | matrix[i] = - strtod (p + 1, &end); | |
809 | else | |
810 | matrix[i] = strtod (p, &end); | |
811 | p = end; | |
812 | } | |
813 | return (i == 4 ? (int) matrix[3] : -1); | |
814 | } | |
815 | ||
4485a28e | 816 | /* Expand a wildcard field in FIELD (the first N fields are filled) to |
56dd2d86 | 817 | multiple fields to fill in all 14 XLFD fields while restricting a |
4485a28e KH |
818 | field position by its contents. */ |
819 | ||
ec6fe57c | 820 | static int |
971de7fb | 821 | font_expand_wildcards (Lisp_Object *field, int n) |
4485a28e KH |
822 | { |
823 | /* Copy of FIELD. */ | |
824 | Lisp_Object tmp[XLFD_LAST_INDEX]; | |
825 | /* Array of information about where this element can go. Nth | |
826 | element is for Nth element of FIELD. */ | |
827 | struct { | |
828 | /* Minimum possible field. */ | |
829 | int from; | |
09e80d9f | 830 | /* Maximum possible field. */ |
4485a28e KH |
831 | int to; |
832 | /* Bit mask of possible field. Nth bit corresponds to Nth field. */ | |
833 | int mask; | |
834 | } range[XLFD_LAST_INDEX]; | |
835 | int i, j; | |
ec6fe57c | 836 | int range_from, range_to; |
4485a28e KH |
837 | unsigned range_mask; |
838 | ||
839 | #define XLFD_SYMBOL_MASK (XLFD_FOUNDRY_MASK | XLFD_FAMILY_MASK \ | |
840 | | XLFD_ADSTYLE_MASK | XLFD_REGISTRY_MASK) | |
841 | #define XLFD_NULL_MASK (XLFD_FOUNDRY_MASK | XLFD_ADSTYLE_MASK) | |
4485a28e | 842 | #define XLFD_LARGENUM_MASK (XLFD_POINT_MASK | XLFD_RESX_MASK | XLFD_RESY_MASK \ |
ef18374f | 843 | | XLFD_AVGWIDTH_MASK) |
4485a28e KH |
844 | #define XLFD_REGENC_MASK (XLFD_REGISTRY_MASK | XLFD_ENCODING_MASK) |
845 | ||
846 | /* Initialize RANGE_MASK for FIELD[0] which can be 0th to (14 - N)th | |
847 | field. The value is shifted to left one bit by one in the | |
848 | following loop. */ | |
849 | for (i = 0, range_mask = 0; i <= 14 - n; i++) | |
850 | range_mask = (range_mask << 1) | 1; | |
851 | ||
ec6fe57c | 852 | /* The triplet RANGE_FROM, RANGE_TO, and RANGE_MASK is a |
c80e3b4a | 853 | position-based restriction for FIELD[I]. */ |
ec6fe57c KH |
854 | for (i = 0, range_from = 0, range_to = 14 - n; i < n; |
855 | i++, range_from++, range_to++, range_mask <<= 1) | |
4485a28e | 856 | { |
4485a28e KH |
857 | Lisp_Object val = field[i]; |
858 | ||
859 | tmp[i] = val; | |
860 | if (NILP (val)) | |
861 | { | |
862 | /* Wildcard. */ | |
863 | range[i].from = range_from; | |
864 | range[i].to = range_to; | |
865 | range[i].mask = range_mask; | |
866 | } | |
867 | else | |
868 | { | |
869 | /* The triplet FROM, TO, and MASK is a value-based | |
c80e3b4a | 870 | restriction for FIELD[I]. */ |
4485a28e KH |
871 | int from, to; |
872 | unsigned mask; | |
873 | ||
874 | if (INTEGERP (val)) | |
875 | { | |
d311d28c | 876 | EMACS_INT numeric = XINT (val); |
4485a28e | 877 | |
ef18374f KH |
878 | if (i + 1 == n) |
879 | from = to = XLFD_ENCODING_INDEX, | |
880 | mask = XLFD_ENCODING_MASK; | |
ec6fe57c KH |
881 | else if (numeric == 0) |
882 | from = XLFD_PIXEL_INDEX, to = XLFD_AVGWIDTH_INDEX, | |
883 | mask = XLFD_PIXEL_MASK | XLFD_LARGENUM_MASK; | |
ef18374f KH |
884 | else if (numeric <= 48) |
885 | from = to = XLFD_PIXEL_INDEX, | |
886 | mask = XLFD_PIXEL_MASK; | |
51c01100 | 887 | else |
ec6fe57c | 888 | from = XLFD_POINT_INDEX, to = XLFD_AVGWIDTH_INDEX, |
4485a28e KH |
889 | mask = XLFD_LARGENUM_MASK; |
890 | } | |
35027d0c | 891 | else if (SBYTES (SYMBOL_NAME (val)) == 0) |
4485a28e KH |
892 | from = XLFD_FOUNDRY_INDEX, to = XLFD_ADSTYLE_INDEX, |
893 | mask = XLFD_NULL_MASK; | |
894 | else if (i == 0) | |
895 | from = to = XLFD_FOUNDRY_INDEX, mask = XLFD_FOUNDRY_MASK; | |
896 | else if (i + 1 == n) | |
897 | { | |
898 | Lisp_Object name = SYMBOL_NAME (val); | |
899 | ||
900 | if (SDATA (name)[SBYTES (name) - 1] == '*') | |
901 | from = XLFD_REGISTRY_INDEX, to = XLFD_ENCODING_INDEX, | |
902 | mask = XLFD_REGENC_MASK; | |
903 | else | |
904 | from = to = XLFD_ENCODING_INDEX, | |
905 | mask = XLFD_ENCODING_MASK; | |
906 | } | |
ef18374f KH |
907 | else if (range_from <= XLFD_WEIGHT_INDEX |
908 | && range_to >= XLFD_WEIGHT_INDEX | |
35027d0c | 909 | && FONT_WEIGHT_NAME_NUMERIC (val) >= 0) |
4485a28e | 910 | from = to = XLFD_WEIGHT_INDEX, mask = XLFD_WEIGHT_MASK; |
ef18374f KH |
911 | else if (range_from <= XLFD_SLANT_INDEX |
912 | && range_to >= XLFD_SLANT_INDEX | |
35027d0c | 913 | && FONT_SLANT_NAME_NUMERIC (val) >= 0) |
4485a28e | 914 | from = to = XLFD_SLANT_INDEX, mask = XLFD_SLANT_MASK; |
ef18374f KH |
915 | else if (range_from <= XLFD_SWIDTH_INDEX |
916 | && range_to >= XLFD_SWIDTH_INDEX | |
35027d0c | 917 | && FONT_WIDTH_NAME_NUMERIC (val) >= 0) |
4485a28e KH |
918 | from = to = XLFD_SWIDTH_INDEX, mask = XLFD_SWIDTH_MASK; |
919 | else | |
920 | { | |
ec6fe57c | 921 | if (EQ (val, Qc) || EQ (val, Qm) || EQ (val, Qp) || EQ (val, Qd)) |
4485a28e KH |
922 | from = to = XLFD_SPACING_INDEX, mask = XLFD_SPACING_MASK; |
923 | else | |
924 | from = XLFD_FOUNDRY_INDEX, to = XLFD_ENCODING_INDEX, | |
925 | mask = XLFD_SYMBOL_MASK; | |
926 | } | |
927 | ||
928 | /* Merge position-based and value-based restrictions. */ | |
929 | mask &= range_mask; | |
930 | while (from < range_from) | |
931 | mask &= ~(1 << from++); | |
932 | while (from < 14 && ! (mask & (1 << from))) | |
933 | from++; | |
934 | while (to > range_to) | |
935 | mask &= ~(1 << to--); | |
936 | while (to >= 0 && ! (mask & (1 << to))) | |
937 | to--; | |
938 | if (from > to) | |
939 | return -1; | |
940 | range[i].from = from; | |
941 | range[i].to = to; | |
942 | range[i].mask = mask; | |
943 | ||
944 | if (from > range_from || to < range_to) | |
ec6fe57c KH |
945 | { |
946 | /* The range is narrowed by value-based restrictions. | |
947 | Reflect it to the other fields. */ | |
948 | ||
949 | /* Following fields should be after FROM. */ | |
950 | range_from = from; | |
951 | /* Preceding fields should be before TO. */ | |
952 | for (j = i - 1, from--, to--; j >= 0; j--, from--, to--) | |
953 | { | |
954 | /* Check FROM for non-wildcard field. */ | |
955 | if (! NILP (tmp[j]) && range[j].from < from) | |
956 | { | |
957 | while (range[j].from < from) | |
958 | range[j].mask &= ~(1 << range[j].from++); | |
959 | while (from < 14 && ! (range[j].mask & (1 << from))) | |
960 | from++; | |
961 | range[j].from = from; | |
962 | } | |
963 | else | |
964 | from = range[j].from; | |
965 | if (range[j].to > to) | |
966 | { | |
967 | while (range[j].to > to) | |
968 | range[j].mask &= ~(1 << range[j].to--); | |
969 | while (to >= 0 && ! (range[j].mask & (1 << to))) | |
970 | to--; | |
971 | range[j].to = to; | |
972 | } | |
973 | else | |
974 | to = range[j].to; | |
975 | if (from > to) | |
976 | return -1; | |
977 | } | |
978 | } | |
4485a28e KH |
979 | } |
980 | } | |
981 | ||
c5e87d10 | 982 | /* Decide all fields from restrictions in RANGE. */ |
4485a28e KH |
983 | for (i = j = 0; i < n ; i++) |
984 | { | |
985 | if (j < range[i].from) | |
986 | { | |
987 | if (i == 0 || ! NILP (tmp[i - 1])) | |
988 | /* None of TMP[X] corresponds to Jth field. */ | |
989 | return -1; | |
990 | for (; j < range[i].from; j++) | |
991 | field[j] = Qnil; | |
992 | } | |
993 | field[j++] = tmp[i]; | |
994 | } | |
995 | if (! NILP (tmp[n - 1]) && j < XLFD_REGISTRY_INDEX) | |
996 | return -1; | |
997 | for (; j < XLFD_LAST_INDEX; j++) | |
998 | field[j] = Qnil; | |
999 | if (INTEGERP (field[XLFD_ENCODING_INDEX])) | |
1000 | field[XLFD_ENCODING_INDEX] | |
1001 | = Fintern (Fnumber_to_string (field[XLFD_ENCODING_INDEX]), Qnil); | |
1002 | return 0; | |
1003 | } | |
1004 | ||
43a1d19b | 1005 | |
ef18374f | 1006 | /* Parse NAME (null terminated) as XLFD and store information in FONT |
9331887d KH |
1007 | (font-spec or font-entity). Size property of FONT is set as |
1008 | follows: | |
1009 | specified XLFD fields FONT property | |
1010 | --------------------- ------------- | |
1011 | PIXEL_SIZE PIXEL_SIZE (Lisp integer) | |
1012 | POINT_SIZE and RESY calculated pixel size (Lisp integer) | |
1013 | POINT_SIZE POINT_SIZE/10 (Lisp float) | |
1014 | ||
ec6fe57c | 1015 | If NAME is successfully parsed, return 0. Otherwise return -1. |
9331887d | 1016 | |
ec6fe57c KH |
1017 | FONT is usually a font-spec, but when this function is called from |
1018 | X font backend driver, it is a font-entity. In that case, NAME is | |
35027d0c | 1019 | a fully specified XLFD. */ |
c2f5bfd6 KH |
1020 | |
1021 | int | |
09d93395 | 1022 | font_parse_xlfd (char *name, Lisp_Object font) |
c2f5bfd6 | 1023 | { |
b5b8c9e5 | 1024 | ptrdiff_t len = strlen (name); |
35027d0c | 1025 | int i, j, n; |
cf23b845 | 1026 | char *f[XLFD_LAST_INDEX + 1]; |
c2f5bfd6 | 1027 | Lisp_Object val; |
4485a28e | 1028 | char *p; |
c2f5bfd6 | 1029 | |
e3928081 | 1030 | if (len > 255 || !len) |
c2f5bfd6 KH |
1031 | /* Maximum XLFD name length is 255. */ |
1032 | return -1; | |
ec6fe57c | 1033 | /* Accept "*-.." as a fully specified XLFD. */ |
e3928081 | 1034 | if (name[0] == '*' && (len == 1 || name[1] == '-')) |
ec6fe57c KH |
1035 | i = 1, f[XLFD_FOUNDRY_INDEX] = name; |
1036 | else | |
1037 | i = 0; | |
1038 | for (p = name + i; *p; p++) | |
35027d0c KH |
1039 | if (*p == '-') |
1040 | { | |
1041 | f[i++] = p + 1; | |
1042 | if (i == XLFD_LAST_INDEX) | |
1043 | break; | |
1044 | } | |
1045 | f[i] = name + len; | |
c2f5bfd6 | 1046 | |
2f286d4f KH |
1047 | #define INTERN_FIELD(N) font_intern_prop (f[N], f[(N) + 1] - 1 - f[N], 0) |
1048 | #define INTERN_FIELD_SYM(N) font_intern_prop (f[N], f[(N) + 1] - 1 - f[N], 1) | |
4485a28e | 1049 | |
ec6fe57c | 1050 | if (i == XLFD_LAST_INDEX) |
4485a28e | 1051 | { |
35027d0c | 1052 | /* Fully specified XLFD. */ |
ec6fe57c KH |
1053 | int pixel_size; |
1054 | ||
2f286d4f KH |
1055 | ASET (font, FONT_FOUNDRY_INDEX, INTERN_FIELD_SYM (XLFD_FOUNDRY_INDEX)); |
1056 | ASET (font, FONT_FAMILY_INDEX, INTERN_FIELD_SYM (XLFD_FAMILY_INDEX)); | |
35027d0c KH |
1057 | for (i = XLFD_WEIGHT_INDEX, j = FONT_WEIGHT_INDEX; |
1058 | i <= XLFD_SWIDTH_INDEX; i++, j++) | |
4485a28e | 1059 | { |
2f286d4f | 1060 | val = INTERN_FIELD_SYM (i); |
ec6fe57c | 1061 | if (! NILP (val)) |
4485a28e | 1062 | { |
2f286d4f | 1063 | if ((n = font_style_to_value (j, INTERN_FIELD_SYM (i), 0)) < 0) |
35027d0c KH |
1064 | return -1; |
1065 | ASET (font, j, make_number (n)); | |
ec6fe57c KH |
1066 | } |
1067 | } | |
2f286d4f | 1068 | ASET (font, FONT_ADSTYLE_INDEX, INTERN_FIELD_SYM (XLFD_ADSTYLE_INDEX)); |
35027d0c KH |
1069 | if (strcmp (f[XLFD_REGISTRY_INDEX], "*-*") == 0) |
1070 | ASET (font, FONT_REGISTRY_INDEX, Qnil); | |
1071 | else | |
1072 | ASET (font, FONT_REGISTRY_INDEX, | |
1073 | font_intern_prop (f[XLFD_REGISTRY_INDEX], | |
2f286d4f KH |
1074 | f[XLFD_LAST_INDEX] - f[XLFD_REGISTRY_INDEX], |
1075 | 1)); | |
ec6fe57c KH |
1076 | p = f[XLFD_PIXEL_INDEX]; |
1077 | if (*p == '[' && (pixel_size = parse_matrix (p)) >= 0) | |
51c01100 | 1078 | ASET (font, FONT_SIZE_INDEX, make_number (pixel_size)); |
ec6fe57c KH |
1079 | else |
1080 | { | |
35027d0c KH |
1081 | val = INTERN_FIELD (XLFD_PIXEL_INDEX); |
1082 | if (INTEGERP (val)) | |
ec6fe57c | 1083 | ASET (font, FONT_SIZE_INDEX, val); |
b57d9029 KH |
1084 | else if (FONT_ENTITY_P (font)) |
1085 | return -1; | |
ec6fe57c KH |
1086 | else |
1087 | { | |
1088 | double point_size = -1; | |
1089 | ||
d0ab1ebe | 1090 | font_assert (FONT_SPEC_P (font)); |
ec6fe57c KH |
1091 | p = f[XLFD_POINT_INDEX]; |
1092 | if (*p == '[') | |
1093 | point_size = parse_matrix (p); | |
1094 | else if (isdigit (*p)) | |
1095 | point_size = atoi (p), point_size /= 10; | |
1096 | if (point_size >= 0) | |
1097 | ASET (font, FONT_SIZE_INDEX, make_float (point_size)); | |
4485a28e KH |
1098 | } |
1099 | } | |
ec6fe57c | 1100 | |
087048cd KH |
1101 | val = INTERN_FIELD (XLFD_RESY_INDEX); |
1102 | if (! NILP (val) && ! INTEGERP (val)) | |
1103 | return -1; | |
1104 | ASET (font, FONT_DPI_INDEX, val); | |
35027d0c KH |
1105 | val = INTERN_FIELD (XLFD_SPACING_INDEX); |
1106 | if (! NILP (val)) | |
ec6fe57c | 1107 | { |
35027d0c KH |
1108 | val = font_prop_validate_spacing (QCspacing, val); |
1109 | if (! INTEGERP (val)) | |
1110 | return -1; | |
1111 | ASET (font, FONT_SPACING_INDEX, val); | |
ec6fe57c | 1112 | } |
ec6fe57c KH |
1113 | p = f[XLFD_AVGWIDTH_INDEX]; |
1114 | if (*p == '~') | |
1115 | p++; | |
087048cd KH |
1116 | val = font_intern_prop (p, f[XLFD_REGISTRY_INDEX] - 1 - p, 0); |
1117 | if (! NILP (val) && ! INTEGERP (val)) | |
1118 | return -1; | |
1119 | ASET (font, FONT_AVGWIDTH_INDEX, val); | |
4485a28e KH |
1120 | } |
1121 | else | |
c2f5bfd6 | 1122 | { |
4485a28e | 1123 | int wild_card_found = 0; |
ec6fe57c | 1124 | Lisp_Object prop[XLFD_LAST_INDEX]; |
4485a28e | 1125 | |
35027d0c KH |
1126 | if (FONT_ENTITY_P (font)) |
1127 | return -1; | |
ec6fe57c | 1128 | for (j = 0; j < i; j++) |
4485a28e | 1129 | { |
ec6fe57c | 1130 | if (*f[j] == '*') |
4485a28e | 1131 | { |
ec6fe57c KH |
1132 | if (f[j][1] && f[j][1] != '-') |
1133 | return -1; | |
1134 | prop[j] = Qnil; | |
1135 | wild_card_found = 1; | |
1136 | } | |
ec6fe57c | 1137 | else if (j + 1 < i) |
35027d0c | 1138 | prop[j] = INTERN_FIELD (j); |
ec6fe57c | 1139 | else |
2f286d4f | 1140 | prop[j] = font_intern_prop (f[j], f[i] - f[j], 0); |
4485a28e KH |
1141 | } |
1142 | if (! wild_card_found) | |
c2f5bfd6 | 1143 | return -1; |
ec6fe57c | 1144 | if (font_expand_wildcards (prop, i) < 0) |
4485a28e | 1145 | return -1; |
ec6fe57c | 1146 | |
35027d0c KH |
1147 | ASET (font, FONT_FOUNDRY_INDEX, prop[XLFD_FOUNDRY_INDEX]); |
1148 | ASET (font, FONT_FAMILY_INDEX, prop[XLFD_FAMILY_INDEX]); | |
1149 | for (i = XLFD_WEIGHT_INDEX, j = FONT_WEIGHT_INDEX; | |
1150 | i <= XLFD_SWIDTH_INDEX; i++, j++) | |
ec6fe57c | 1151 | if (! NILP (prop[i])) |
35027d0c KH |
1152 | { |
1153 | if ((n = font_style_to_value (j, prop[i], 1)) < 0) | |
1154 | return -1; | |
1155 | ASET (font, j, make_number (n)); | |
1156 | } | |
1157 | ASET (font, FONT_ADSTYLE_INDEX, prop[XLFD_ADSTYLE_INDEX]); | |
ec6fe57c KH |
1158 | val = prop[XLFD_REGISTRY_INDEX]; |
1159 | if (NILP (val)) | |
c2f5bfd6 | 1160 | { |
ec6fe57c KH |
1161 | val = prop[XLFD_ENCODING_INDEX]; |
1162 | if (! NILP (val)) | |
35027d0c | 1163 | val = concat2 (build_string ("*-"), SYMBOL_NAME (val)); |
4485a28e | 1164 | } |
ec6fe57c | 1165 | else if (NILP (prop[XLFD_ENCODING_INDEX])) |
35027d0c | 1166 | val = concat2 (SYMBOL_NAME (val), build_string ("-*")); |
4485a28e | 1167 | else |
35027d0c KH |
1168 | val = concat3 (SYMBOL_NAME (val), build_string ("-"), |
1169 | SYMBOL_NAME (prop[XLFD_ENCODING_INDEX])); | |
ec6fe57c | 1170 | if (! NILP (val)) |
35027d0c | 1171 | ASET (font, FONT_REGISTRY_INDEX, Fintern (val, Qnil)); |
ec6fe57c KH |
1172 | |
1173 | if (INTEGERP (prop[XLFD_PIXEL_INDEX])) | |
1174 | ASET (font, FONT_SIZE_INDEX, prop[XLFD_PIXEL_INDEX]); | |
1175 | else if (INTEGERP (prop[XLFD_POINT_INDEX])) | |
4485a28e | 1176 | { |
ec6fe57c | 1177 | double point_size = XINT (prop[XLFD_POINT_INDEX]); |
c2f5bfd6 | 1178 | |
ec6fe57c KH |
1179 | ASET (font, FONT_SIZE_INDEX, make_float (point_size / 10)); |
1180 | } | |
c2f5bfd6 | 1181 | |
35027d0c KH |
1182 | if (INTEGERP (prop[XLFD_RESX_INDEX])) |
1183 | ASET (font, FONT_DPI_INDEX, prop[XLFD_RESY_INDEX]); | |
1184 | if (! NILP (prop[XLFD_SPACING_INDEX])) | |
1185 | { | |
1186 | val = font_prop_validate_spacing (QCspacing, | |
1187 | prop[XLFD_SPACING_INDEX]); | |
1188 | if (! INTEGERP (val)) | |
1189 | return -1; | |
1190 | ASET (font, FONT_SPACING_INDEX, val); | |
1191 | } | |
ec6fe57c | 1192 | if (INTEGERP (prop[XLFD_AVGWIDTH_INDEX])) |
35027d0c | 1193 | ASET (font, FONT_AVGWIDTH_INDEX, prop[XLFD_AVGWIDTH_INDEX]); |
c2f5bfd6 KH |
1194 | } |
1195 | ||
ec6fe57c | 1196 | return 0; |
c2f5bfd6 KH |
1197 | } |
1198 | ||
1199 | /* Store XLFD name of FONT (font-spec or font-entity) in NAME (NBYTES | |
1200 | length), and return the name length. If FONT_SIZE_INDEX of FONT is | |
1201 | 0, use PIXEL_SIZE instead. */ | |
1202 | ||
1203 | int | |
971de7fb | 1204 | font_unparse_xlfd (Lisp_Object font, int pixel_size, char *name, int nbytes) |
c2f5bfd6 | 1205 | { |
e663c700 PE |
1206 | char *p; |
1207 | const char *f[XLFD_REGISTRY_INDEX + 1]; | |
c2f5bfd6 | 1208 | Lisp_Object val; |
c21721cc | 1209 | int i, j, len; |
c2f5bfd6 | 1210 | |
d0ab1ebe | 1211 | font_assert (FONTP (font)); |
c2f5bfd6 KH |
1212 | |
1213 | for (i = FONT_FOUNDRY_INDEX, j = XLFD_FOUNDRY_INDEX; i <= FONT_REGISTRY_INDEX; | |
1214 | i++, j++) | |
1215 | { | |
1216 | if (i == FONT_ADSTYLE_INDEX) | |
1217 | j = XLFD_ADSTYLE_INDEX; | |
1218 | else if (i == FONT_REGISTRY_INDEX) | |
1219 | j = XLFD_REGISTRY_INDEX; | |
1220 | val = AREF (font, i); | |
1221 | if (NILP (val)) | |
1bb1d99b KH |
1222 | { |
1223 | if (j == XLFD_REGISTRY_INDEX) | |
c21721cc | 1224 | f[j] = "*-*"; |
1bb1d99b | 1225 | else |
c21721cc | 1226 | f[j] = "*"; |
1bb1d99b | 1227 | } |
c2f5bfd6 KH |
1228 | else |
1229 | { | |
1230 | if (SYMBOLP (val)) | |
1231 | val = SYMBOL_NAME (val); | |
1bb1d99b | 1232 | if (j == XLFD_REGISTRY_INDEX |
51b59d79 | 1233 | && ! strchr (SSDATA (val), '-')) |
1bb1d99b KH |
1234 | { |
1235 | /* Change "jisx0208*" and "jisx0208" to "jisx0208*-*". */ | |
c21721cc PE |
1236 | ptrdiff_t alloc = SBYTES (val) + 4; |
1237 | if (nbytes <= alloc) | |
1238 | return -1; | |
1239 | f[j] = p = alloca (alloc); | |
1240 | sprintf (p, "%s%s-*", SDATA (val), | |
1241 | "*" + (SDATA (val)[SBYTES (val) - 1] == '*')); | |
1bb1d99b KH |
1242 | } |
1243 | else | |
c21721cc | 1244 | f[j] = SSDATA (val); |
c2f5bfd6 KH |
1245 | } |
1246 | } | |
1247 | ||
1248 | for (i = FONT_WEIGHT_INDEX, j = XLFD_WEIGHT_INDEX; i <= FONT_WIDTH_INDEX; | |
1249 | i++, j++) | |
1250 | { | |
35027d0c | 1251 | val = font_style_symbolic (font, i, 0); |
c2f5bfd6 | 1252 | if (NILP (val)) |
c21721cc | 1253 | f[j] = "*"; |
c2f5bfd6 KH |
1254 | else |
1255 | { | |
35027d0c | 1256 | val = SYMBOL_NAME (val); |
c21721cc | 1257 | f[j] = SSDATA (val); |
c2f5bfd6 KH |
1258 | } |
1259 | } | |
1260 | ||
1261 | val = AREF (font, FONT_SIZE_INDEX); | |
d0ab1ebe | 1262 | font_assert (NUMBERP (val) || NILP (val)); |
c2f5bfd6 KH |
1263 | if (INTEGERP (val)) |
1264 | { | |
c21721cc PE |
1265 | EMACS_INT v = XINT (val); |
1266 | if (v <= 0) | |
1267 | v = pixel_size; | |
1268 | if (v > 0) | |
81aefea4 | 1269 | { |
c21721cc PE |
1270 | f[XLFD_PIXEL_INDEX] = p = |
1271 | alloca (sizeof "-*" + INT_STRLEN_BOUND (EMACS_INT)); | |
1272 | sprintf (p, "%"pI"d-*", v); | |
81aefea4 SM |
1273 | } |
1274 | else | |
c21721cc | 1275 | f[XLFD_PIXEL_INDEX] = "*-*"; |
c2f5bfd6 KH |
1276 | } |
1277 | else if (FLOATP (val)) | |
1278 | { | |
c21721cc PE |
1279 | double v = XFLOAT_DATA (val) * 10; |
1280 | f[XLFD_PIXEL_INDEX] = p = alloca (sizeof "*-" + 1 + DBL_MAX_10_EXP + 1); | |
1281 | sprintf (p, "*-%.0f", v); | |
c2f5bfd6 KH |
1282 | } |
1283 | else | |
c21721cc | 1284 | f[XLFD_PIXEL_INDEX] = "*-*"; |
ec6fe57c | 1285 | |
35027d0c | 1286 | if (INTEGERP (AREF (font, FONT_DPI_INDEX))) |
c2f5bfd6 | 1287 | { |
c21721cc PE |
1288 | EMACS_INT v = XINT (AREF (font, FONT_DPI_INDEX)); |
1289 | f[XLFD_RESX_INDEX] = p = | |
1290 | alloca (sizeof "-" + 2 * INT_STRLEN_BOUND (EMACS_INT)); | |
1291 | sprintf (p, "%"pI"d-%"pI"d", v, v); | |
c2f5bfd6 KH |
1292 | } |
1293 | else | |
c21721cc | 1294 | f[XLFD_RESX_INDEX] = "*-*"; |
35027d0c | 1295 | if (INTEGERP (AREF (font, FONT_SPACING_INDEX))) |
ec6fe57c | 1296 | { |
c21721cc | 1297 | EMACS_INT spacing = XINT (AREF (font, FONT_SPACING_INDEX)); |
ec6fe57c | 1298 | |
35027d0c KH |
1299 | f[XLFD_SPACING_INDEX] = (spacing <= FONT_SPACING_PROPORTIONAL ? "p" |
1300 | : spacing <= FONT_SPACING_DUAL ? "d" | |
1301 | : spacing <= FONT_SPACING_MONO ? "m" | |
1302 | : "c"); | |
ec6fe57c | 1303 | } |
35027d0c | 1304 | else |
c21721cc | 1305 | f[XLFD_SPACING_INDEX] = "*"; |
35027d0c KH |
1306 | if (INTEGERP (AREF (font, FONT_AVGWIDTH_INDEX))) |
1307 | { | |
c21721cc PE |
1308 | f[XLFD_AVGWIDTH_INDEX] = p = alloca (INT_BUFSIZE_BOUND (EMACS_INT)); |
1309 | sprintf (p, "%"pI"d", XINT (AREF (font, FONT_AVGWIDTH_INDEX))); | |
35027d0c KH |
1310 | } |
1311 | else | |
c21721cc | 1312 | f[XLFD_AVGWIDTH_INDEX] = "*"; |
8666506e PE |
1313 | len = snprintf (name, nbytes, "-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s", |
1314 | f[XLFD_FOUNDRY_INDEX], f[XLFD_FAMILY_INDEX], | |
1315 | f[XLFD_WEIGHT_INDEX], f[XLFD_SLANT_INDEX], | |
1316 | f[XLFD_SWIDTH_INDEX], f[XLFD_ADSTYLE_INDEX], | |
1317 | f[XLFD_PIXEL_INDEX], f[XLFD_RESX_INDEX], | |
1318 | f[XLFD_SPACING_INDEX], f[XLFD_AVGWIDTH_INDEX], | |
1319 | f[XLFD_REGISTRY_INDEX]); | |
1320 | return len < nbytes ? len : -1; | |
c2f5bfd6 KH |
1321 | } |
1322 | ||
8c102d5b CY |
1323 | /* Parse NAME (null terminated) and store information in FONT |
1324 | (font-spec or font-entity). NAME is supplied in either the | |
1325 | Fontconfig or GTK font name format. If NAME is successfully | |
1326 | parsed, return 0. Otherwise return -1. | |
1327 | ||
1328 | The fontconfig format is | |
1329 | ||
1330 | FAMILY[-SIZE][:PROP1[=VAL1][:PROP2[=VAL2]...]] | |
1331 | ||
1332 | The GTK format is | |
1333 | ||
1334 | FAMILY [PROPS...] [SIZE] | |
1335 | ||
1336 | This function tries to guess which format it is. */ | |
ef18374f | 1337 | |
2f7c71a1 | 1338 | static int |
09d93395 | 1339 | font_parse_fcname (char *name, Lisp_Object font) |
ef18374f | 1340 | { |
8c102d5b CY |
1341 | char *p, *q; |
1342 | char *size_beg = NULL, *size_end = NULL; | |
1343 | char *props_beg = NULL, *family_end = NULL; | |
b5b8c9e5 | 1344 | ptrdiff_t len = strlen (name); |
ef18374f | 1345 | |
ec6fe57c KH |
1346 | if (len == 0) |
1347 | return -1; | |
8c102d5b CY |
1348 | |
1349 | for (p = name; *p; p++) | |
ef18374f | 1350 | { |
8c102d5b CY |
1351 | if (*p == '\\' && p[1]) |
1352 | p++; | |
1353 | else if (*p == ':') | |
ef18374f | 1354 | { |
59facb78 | 1355 | props_beg = family_end = p; |
8c102d5b CY |
1356 | break; |
1357 | } | |
1358 | else if (*p == '-') | |
1359 | { | |
b1868a1a | 1360 | int decimal = 0, size_found = 1; |
8c102d5b | 1361 | for (q = p + 1; *q && *q != ':'; q++) |
5e617bc2 | 1362 | if (! isdigit (*q)) |
8c102d5b | 1363 | { |
b1868a1a CY |
1364 | if (*q != '.' || decimal) |
1365 | { | |
1366 | size_found = 0; | |
1367 | break; | |
1368 | } | |
1369 | decimal = 1; | |
8c102d5b CY |
1370 | } |
1371 | if (size_found) | |
1372 | { | |
1373 | family_end = p; | |
1374 | size_beg = p + 1; | |
1375 | size_end = q; | |
1376 | break; | |
1377 | } | |
ef18374f | 1378 | } |
ef18374f | 1379 | } |
9331887d | 1380 | |
8c102d5b CY |
1381 | if (family_end) |
1382 | { | |
637fa988 JD |
1383 | Lisp_Object extra_props = Qnil; |
1384 | ||
8c102d5b CY |
1385 | /* A fontconfig name with size and/or property data. */ |
1386 | if (family_end > name) | |
1387 | { | |
1388 | Lisp_Object family; | |
1389 | family = font_intern_prop (name, family_end - name, 1); | |
1390 | ASET (font, FONT_FAMILY_INDEX, family); | |
1391 | } | |
1392 | if (size_beg) | |
1393 | { | |
1394 | double point_size = strtod (size_beg, &size_end); | |
1395 | ASET (font, FONT_SIZE_INDEX, make_float (point_size)); | |
1396 | if (*size_end == ':' && size_end[1]) | |
59facb78 | 1397 | props_beg = size_end; |
8c102d5b CY |
1398 | } |
1399 | if (props_beg) | |
1400 | { | |
d26424c5 | 1401 | /* Now parse ":KEY=VAL" patterns. */ |
59facb78 | 1402 | Lisp_Object val; |
8c102d5b | 1403 | |
59facb78 | 1404 | for (p = props_beg; *p; p = q) |
8c102d5b | 1405 | { |
8c102d5b | 1406 | for (q = p + 1; *q && *q != '=' && *q != ':'; q++); |
8c102d5b CY |
1407 | if (*q != '=') |
1408 | { | |
1409 | /* Must be an enumerated value. */ | |
b5b8c9e5 | 1410 | ptrdiff_t word_len; |
59facb78 CY |
1411 | p = p + 1; |
1412 | word_len = q - p; | |
8c102d5b | 1413 | val = font_intern_prop (p, q - p, 1); |
9277a69d | 1414 | |
4ec88040 AS |
1415 | #define PROP_MATCH(STR) (word_len == strlen (STR) \ |
1416 | && memcmp (p, STR, strlen (STR)) == 0) | |
1417 | ||
1418 | if (PROP_MATCH ("light") | |
1419 | || PROP_MATCH ("medium") | |
1420 | || PROP_MATCH ("demibold") | |
1421 | || PROP_MATCH ("bold") | |
1422 | || PROP_MATCH ("black")) | |
8c102d5b | 1423 | FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, val); |
4ec88040 AS |
1424 | else if (PROP_MATCH ("roman") |
1425 | || PROP_MATCH ("italic") | |
1426 | || PROP_MATCH ("oblique")) | |
8c102d5b | 1427 | FONT_SET_STYLE (font, FONT_SLANT_INDEX, val); |
4ec88040 | 1428 | else if (PROP_MATCH ("charcell")) |
8c102d5b CY |
1429 | ASET (font, FONT_SPACING_INDEX, |
1430 | make_number (FONT_SPACING_CHARCELL)); | |
4ec88040 | 1431 | else if (PROP_MATCH ("mono")) |
8c102d5b CY |
1432 | ASET (font, FONT_SPACING_INDEX, |
1433 | make_number (FONT_SPACING_MONO)); | |
4ec88040 | 1434 | else if (PROP_MATCH ("proportional")) |
8c102d5b CY |
1435 | ASET (font, FONT_SPACING_INDEX, |
1436 | make_number (FONT_SPACING_PROPORTIONAL)); | |
9277a69d | 1437 | #undef PROP_MATCH |
8c102d5b | 1438 | } |
59facb78 | 1439 | else |
8c102d5b | 1440 | { |
59facb78 | 1441 | /* KEY=VAL pairs */ |
8c102d5b | 1442 | Lisp_Object key; |
59facb78 | 1443 | int prop; |
51c01100 | 1444 | |
59facb78 | 1445 | if (q - p == 10 && memcmp (p + 1, "pixelsize", 9) == 0) |
8c102d5b CY |
1446 | prop = FONT_SIZE_INDEX; |
1447 | else | |
1448 | { | |
1449 | key = font_intern_prop (p, q - p, 1); | |
1450 | prop = get_font_prop_index (key); | |
1451 | } | |
77989187 | 1452 | |
8c102d5b CY |
1453 | p = q + 1; |
1454 | for (q = p; *q && *q != ':'; q++); | |
90c00b01 | 1455 | val = font_intern_prop (p, q - p, 0); |
77989187 | 1456 | |
d26424c5 KH |
1457 | if (prop >= FONT_FOUNDRY_INDEX |
1458 | && prop < FONT_EXTRA_INDEX) | |
637fa988 | 1459 | ASET (font, prop, font_prop_validate (prop, Qnil, val)); |
ce75f06e | 1460 | else |
637fa988 JD |
1461 | { |
1462 | extra_props = nconc2 (extra_props, | |
1463 | Fcons (Fcons (key, val), Qnil)); | |
1464 | } | |
8c102d5b | 1465 | } |
d26424c5 | 1466 | p = q; |
8c102d5b | 1467 | } |
8c102d5b | 1468 | } |
637fa988 JD |
1469 | |
1470 | if (! NILP (extra_props)) | |
1471 | { | |
1472 | struct font_driver_list *driver_list = font_driver_list; | |
1473 | for ( ; driver_list; driver_list = driver_list->next) | |
1474 | if (driver_list->driver->filter_properties) | |
1475 | (*driver_list->driver->filter_properties) (font, extra_props); | |
1476 | } | |
ce75f06e | 1477 | |
8c102d5b CY |
1478 | } |
1479 | else | |
ef18374f | 1480 | { |
8c102d5b CY |
1481 | /* Either a fontconfig-style name with no size and property |
1482 | data, or a GTK-style name. */ | |
6608a7d8 CY |
1483 | Lisp_Object weight = Qnil, slant = Qnil; |
1484 | Lisp_Object width = Qnil, size = Qnil; | |
1485 | char *word_start; | |
b5b8c9e5 | 1486 | ptrdiff_t word_len; |
6608a7d8 CY |
1487 | |
1488 | /* Scan backwards from the end, looking for a size. */ | |
1489 | for (p = name + len - 1; p >= name; p--) | |
1490 | if (!isdigit (*p)) | |
1491 | break; | |
1492 | ||
1493 | if ((p < name + len - 1) && ((p + 1 == name) || *p == ' ')) | |
1494 | /* Found a font size. */ | |
1495 | size = make_float (strtod (p + 1, NULL)); | |
1496 | else | |
1497 | p = name + len; | |
ef18374f | 1498 | |
6608a7d8 CY |
1499 | /* Now P points to the termination of the string, sans size. |
1500 | Scan backwards, looking for font properties. */ | |
1501 | for (; p > name; p = q) | |
ef18374f | 1502 | { |
6608a7d8 | 1503 | for (q = p - 1; q >= name; q--) |
9331887d | 1504 | { |
6608a7d8 CY |
1505 | if (q > name && *(q-1) == '\\') |
1506 | --q; /* Skip quoting backslashes. */ | |
1507 | else if (*q == ' ') | |
1508 | break; | |
027a33c0 | 1509 | } |
8c102d5b | 1510 | |
6608a7d8 CY |
1511 | word_start = q + 1; |
1512 | word_len = p - word_start; | |
8c102d5b | 1513 | |
4ec88040 AS |
1514 | #define PROP_MATCH(STR) \ |
1515 | (word_len == strlen (STR) \ | |
1516 | && memcmp (word_start, STR, strlen (STR)) == 0) | |
1517 | #define PROP_SAVE(VAR, STR) \ | |
1518 | (VAR = NILP (VAR) ? font_intern_prop (STR, strlen (STR), 1) : VAR) | |
1519 | ||
1520 | if (PROP_MATCH ("Ultra-Light")) | |
1521 | PROP_SAVE (weight, "ultra-light"); | |
1522 | else if (PROP_MATCH ("Light")) | |
1523 | PROP_SAVE (weight, "light"); | |
1524 | else if (PROP_MATCH ("Book")) | |
1525 | PROP_SAVE (weight, "book"); | |
1526 | else if (PROP_MATCH ("Medium")) | |
1527 | PROP_SAVE (weight, "medium"); | |
1528 | else if (PROP_MATCH ("Semi-Bold")) | |
1529 | PROP_SAVE (weight, "semi-bold"); | |
1530 | else if (PROP_MATCH ("Bold")) | |
1531 | PROP_SAVE (weight, "bold"); | |
1532 | else if (PROP_MATCH ("Italic")) | |
1533 | PROP_SAVE (slant, "italic"); | |
1534 | else if (PROP_MATCH ("Oblique")) | |
1535 | PROP_SAVE (slant, "oblique"); | |
1536 | else if (PROP_MATCH ("Semi-Condensed")) | |
1537 | PROP_SAVE (width, "semi-condensed"); | |
1538 | else if (PROP_MATCH ("Condensed")) | |
1539 | PROP_SAVE (width, "condensed"); | |
6608a7d8 CY |
1540 | /* An unknown word must be part of the font name. */ |
1541 | else | |
fe69a722 | 1542 | { |
6608a7d8 CY |
1543 | family_end = p; |
1544 | break; | |
fe69a722 | 1545 | } |
ef18374f | 1546 | } |
8c102d5b | 1547 | #undef PROP_MATCH |
372fb76b | 1548 | #undef PROP_SAVE |
9ba6fd41 | 1549 | |
8c102d5b | 1550 | if (family_end) |
6608a7d8 CY |
1551 | ASET (font, FONT_FAMILY_INDEX, |
1552 | font_intern_prop (name, family_end - name, 1)); | |
1553 | if (!NILP (size)) | |
1554 | ASET (font, FONT_SIZE_INDEX, size); | |
1555 | if (!NILP (weight)) | |
1556 | FONT_SET_STYLE (font, FONT_WEIGHT_INDEX, weight); | |
1557 | if (!NILP (slant)) | |
1558 | FONT_SET_STYLE (font, FONT_SLANT_INDEX, slant); | |
1559 | if (!NILP (width)) | |
1560 | FONT_SET_STYLE (font, FONT_WIDTH_INDEX, width); | |
8c102d5b | 1561 | } |
17ab8f5d | 1562 | |
9331887d | 1563 | return 0; |
ef18374f KH |
1564 | } |
1565 | ||
1566 | /* Store fontconfig's font name of FONT (font-spec or font-entity) in | |
1567 | NAME (NBYTES length), and return the name length. If | |
1568 | FONT_SIZE_INDEX of FONT is 0, use PIXEL_SIZE instead. */ | |
1569 | ||
1570 | int | |
09d93395 | 1571 | font_unparse_fcname (Lisp_Object font, int pixel_size, char *name, int nbytes) |
ef18374f | 1572 | { |
b1868a1a | 1573 | Lisp_Object family, foundry; |
c21721cc | 1574 | Lisp_Object val; |
ec6fe57c | 1575 | int point_size; |
b5b8c9e5 | 1576 | int i; |
ef18374f | 1577 | char *p; |
c21721cc | 1578 | char *lim; |
a9262bb8 | 1579 | Lisp_Object styles[3]; |
675e2c69 | 1580 | const char *style_names[3] = { "weight", "slant", "width" }; |
ef18374f | 1581 | |
b1868a1a CY |
1582 | family = AREF (font, FONT_FAMILY_INDEX); |
1583 | if (! NILP (family)) | |
1584 | { | |
1585 | if (SYMBOLP (family)) | |
c21721cc | 1586 | family = SYMBOL_NAME (family); |
b1868a1a CY |
1587 | else |
1588 | family = Qnil; | |
1589 | } | |
ec6fe57c KH |
1590 | |
1591 | val = AREF (font, FONT_SIZE_INDEX); | |
1592 | if (INTEGERP (val)) | |
ef18374f | 1593 | { |
ec6fe57c KH |
1594 | if (XINT (val) != 0) |
1595 | pixel_size = XINT (val); | |
1596 | point_size = -1; | |
ef18374f | 1597 | } |
3ddb0639 | 1598 | else |
ef18374f | 1599 | { |
3ddb0639 PE |
1600 | if (! FLOATP (val)) |
1601 | abort (); | |
ec6fe57c KH |
1602 | pixel_size = -1; |
1603 | point_size = (int) XFLOAT_DATA (val); | |
ef18374f | 1604 | } |
ec6fe57c | 1605 | |
b1868a1a CY |
1606 | foundry = AREF (font, FONT_FOUNDRY_INDEX); |
1607 | if (! NILP (foundry)) | |
1608 | { | |
1609 | if (SYMBOLP (foundry)) | |
c21721cc | 1610 | foundry = SYMBOL_NAME (foundry); |
b1868a1a CY |
1611 | else |
1612 | foundry = Qnil; | |
1613 | } | |
ec6fe57c | 1614 | |
35027d0c | 1615 | for (i = 0; i < 3; i++) |
c21721cc | 1616 | styles[i] = font_style_symbolic (font, FONT_WEIGHT_INDEX + i, 0); |
35027d0c | 1617 | |
ef18374f | 1618 | p = name; |
c21721cc | 1619 | lim = name + nbytes; |
b1868a1a | 1620 | if (! NILP (family)) |
8666506e PE |
1621 | { |
1622 | int len = snprintf (p, lim - p, "%s", SSDATA (family)); | |
1623 | if (! (0 <= len && len < lim - p)) | |
1624 | return -1; | |
1625 | p += len; | |
1626 | } | |
ec6fe57c | 1627 | if (point_size > 0) |
8666506e PE |
1628 | { |
1629 | int len = snprintf (p, lim - p, "-%d" + (p == name), point_size); | |
1630 | if (! (0 <= len && len < lim - p)) | |
1631 | return -1; | |
1632 | p += len; | |
1633 | } | |
ef18374f | 1634 | else if (pixel_size > 0) |
8666506e PE |
1635 | { |
1636 | int len = snprintf (p, lim - p, ":pixelsize=%d", pixel_size); | |
1637 | if (! (0 <= len && len < lim - p)) | |
1638 | return -1; | |
1639 | p += len; | |
1640 | } | |
35027d0c | 1641 | if (! NILP (AREF (font, FONT_FOUNDRY_INDEX))) |
8666506e PE |
1642 | { |
1643 | int len = snprintf (p, lim - p, ":foundry=%s", | |
1644 | SSDATA (SYMBOL_NAME (AREF (font, | |
1645 | FONT_FOUNDRY_INDEX)))); | |
1646 | if (! (0 <= len && len < lim - p)) | |
1647 | return -1; | |
1648 | p += len; | |
1649 | } | |
a9262bb8 | 1650 | for (i = 0; i < 3; i++) |
35027d0c | 1651 | if (! NILP (styles[i])) |
8666506e PE |
1652 | { |
1653 | int len = snprintf (p, lim - p, ":%s=%s", style_names[i], | |
1654 | SSDATA (SYMBOL_NAME (styles[i]))); | |
1655 | if (! (0 <= len && len < lim - p)) | |
1656 | return -1; | |
1657 | p += len; | |
1658 | } | |
1659 | ||
35027d0c | 1660 | if (INTEGERP (AREF (font, FONT_DPI_INDEX))) |
8666506e PE |
1661 | { |
1662 | int len = snprintf (p, lim - p, ":dpi=%"pI"d", | |
1663 | XINT (AREF (font, FONT_DPI_INDEX))); | |
1664 | if (! (0 <= len && len < lim - p)) | |
1665 | return -1; | |
1666 | p += len; | |
1667 | } | |
1668 | ||
35027d0c | 1669 | if (INTEGERP (AREF (font, FONT_SPACING_INDEX))) |
8666506e PE |
1670 | { |
1671 | int len = snprintf (p, lim - p, ":spacing=%"pI"d", | |
1672 | XINT (AREF (font, FONT_SPACING_INDEX))); | |
1673 | if (! (0 <= len && len < lim - p)) | |
1674 | return -1; | |
1675 | p += len; | |
1676 | } | |
1677 | ||
35027d0c | 1678 | if (INTEGERP (AREF (font, FONT_AVGWIDTH_INDEX))) |
8666506e PE |
1679 | { |
1680 | int len = snprintf (p, lim - p, | |
1681 | (XINT (AREF (font, FONT_AVGWIDTH_INDEX)) == 0 | |
1682 | ? ":scalable=true" | |
1683 | : ":scalable=false")); | |
1684 | if (! (0 <= len && len < lim - p)) | |
1685 | return -1; | |
1686 | p += len; | |
1687 | } | |
1688 | ||
1689 | return (p - name); | |
ef18374f KH |
1690 | } |
1691 | ||
1692 | /* Parse NAME (null terminated) and store information in FONT | |
1693 | (font-spec or font-entity). If NAME is successfully parsed, return | |
35027d0c | 1694 | 0. Otherwise return -1. */ |
ef18374f KH |
1695 | |
1696 | static int | |
09d93395 | 1697 | font_parse_name (char *name, Lisp_Object font) |
ef18374f | 1698 | { |
8966b757 | 1699 | if (name[0] == '-' || strchr (name, '*') || strchr (name, '?')) |
e950d6f1 | 1700 | return font_parse_xlfd (name, font); |
ec6fe57c | 1701 | return font_parse_fcname (name, font); |
ef18374f KH |
1702 | } |
1703 | ||
35027d0c KH |
1704 | |
1705 | /* Merge FAMILY and REGISTRY into FONT_SPEC. FAMILY may have the form | |
1706 | "FAMILY-FOUNDRY". REGISTRY may not contain charset-encoding | |
1707 | part. */ | |
45eb10fb | 1708 | |
c2f5bfd6 | 1709 | void |
971de7fb | 1710 | font_parse_family_registry (Lisp_Object family, Lisp_Object registry, Lisp_Object font_spec) |
c2f5bfd6 | 1711 | { |
35027d0c KH |
1712 | int len; |
1713 | char *p0, *p1; | |
1714 | ||
d0ab1ebe KH |
1715 | if (! NILP (family) |
1716 | && NILP (AREF (font_spec, FONT_FAMILY_INDEX))) | |
c2f5bfd6 | 1717 | { |
35027d0c KH |
1718 | CHECK_STRING (family); |
1719 | len = SBYTES (family); | |
51b59d79 | 1720 | p0 = SSDATA (family); |
8966b757 | 1721 | p1 = strchr (p0, '-'); |
35027d0c | 1722 | if (p1) |
c2f5bfd6 | 1723 | { |
9903d1e6 | 1724 | if ((*p0 != '*' && p1 - p0 > 0) |
d0ab1ebe | 1725 | && NILP (AREF (font_spec, FONT_FOUNDRY_INDEX))) |
2f286d4f | 1726 | Ffont_put (font_spec, QCfoundry, font_intern_prop (p0, p1 - p0, 1)); |
35027d0c KH |
1727 | p1++; |
1728 | len -= p1 - p0; | |
2f286d4f | 1729 | Ffont_put (font_spec, QCfamily, font_intern_prop (p1, len, 1)); |
c2f5bfd6 | 1730 | } |
35027d0c KH |
1731 | else |
1732 | ASET (font_spec, FONT_FAMILY_INDEX, Fintern (family, Qnil)); | |
c2f5bfd6 | 1733 | } |
35027d0c | 1734 | if (! NILP (registry)) |
c2f5bfd6 | 1735 | { |
35027d0c KH |
1736 | /* Convert "XXX" and "XXX*" to "XXX*-*". */ |
1737 | CHECK_STRING (registry); | |
1738 | len = SBYTES (registry); | |
51b59d79 | 1739 | p0 = SSDATA (registry); |
8966b757 | 1740 | p1 = strchr (p0, '-'); |
35027d0c | 1741 | if (! p1) |
c2f5bfd6 | 1742 | { |
35027d0c KH |
1743 | if (SDATA (registry)[len - 1] == '*') |
1744 | registry = concat2 (registry, build_string ("-*")); | |
1745 | else | |
1746 | registry = concat2 (registry, build_string ("*-*")); | |
c2f5bfd6 | 1747 | } |
35027d0c KH |
1748 | registry = Fdowncase (registry); |
1749 | ASET (font_spec, FONT_REGISTRY_INDEX, Fintern (registry, Qnil)); | |
c2f5bfd6 KH |
1750 | } |
1751 | } | |
1752 | ||
45eb10fb | 1753 | \f |
35027d0c KH |
1754 | /* This part (through the next ^L) is still experimental and not |
1755 | tested much. We may drastically change codes. */ | |
10d16101 | 1756 | |
45eb10fb | 1757 | /* OTF handler */ |
10d16101 | 1758 | |
6a3dadd2 KH |
1759 | #if 0 |
1760 | ||
e950d6f1 KH |
1761 | #define LGSTRING_HEADER_SIZE 6 |
1762 | #define LGSTRING_GLYPH_SIZE 8 | |
1763 | ||
1764 | static int | |
1dae0f0a | 1765 | check_gstring (Lisp_Object gstring) |
e950d6f1 KH |
1766 | { |
1767 | Lisp_Object val; | |
d311d28c PE |
1768 | ptrdiff_t i; |
1769 | int j; | |
e950d6f1 KH |
1770 | |
1771 | CHECK_VECTOR (gstring); | |
1772 | val = AREF (gstring, 0); | |
1773 | CHECK_VECTOR (val); | |
1774 | if (ASIZE (val) < LGSTRING_HEADER_SIZE) | |
1775 | goto err; | |
1776 | CHECK_FONT_OBJECT (LGSTRING_FONT (gstring)); | |
f9ffa1ea SM |
1777 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_LBEARING))) |
1778 | CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_LBEARING)); | |
1779 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_RBEARING))) | |
1780 | CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_RBEARING)); | |
1781 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_WIDTH))) | |
1782 | CHECK_NATNUM (LGSTRING_SLOT (gstring, LGSTRING_IX_WIDTH)); | |
1783 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT))) | |
1784 | CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT)); | |
1785 | if (!NILP (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT))) | |
1786 | CHECK_NUMBER (LGSTRING_SLOT (gstring, LGSTRING_IX_ASCENT)); | |
e950d6f1 | 1787 | |
071132a9 | 1788 | for (i = 0; i < LGSTRING_GLYPH_LEN (gstring); i++) |
e950d6f1 KH |
1789 | { |
1790 | val = LGSTRING_GLYPH (gstring, i); | |
1791 | CHECK_VECTOR (val); | |
1792 | if (ASIZE (val) < LGSTRING_GLYPH_SIZE) | |
1793 | goto err; | |
f9ffa1ea | 1794 | if (NILP (AREF (val, LGLYPH_IX_CHAR))) |
e950d6f1 | 1795 | break; |
f9ffa1ea SM |
1796 | CHECK_NATNUM (AREF (val, LGLYPH_IX_FROM)); |
1797 | CHECK_NATNUM (AREF (val, LGLYPH_IX_TO)); | |
1798 | CHECK_CHARACTER (AREF (val, LGLYPH_IX_CHAR)); | |
1799 | if (!NILP (AREF (val, LGLYPH_IX_CODE))) | |
1800 | CHECK_NATNUM (AREF (val, LGLYPH_IX_CODE)); | |
1801 | if (!NILP (AREF (val, LGLYPH_IX_WIDTH))) | |
1802 | CHECK_NATNUM (AREF (val, LGLYPH_IX_WIDTH)); | |
1803 | if (!NILP (AREF (val, LGLYPH_IX_ADJUSTMENT))) | |
e950d6f1 | 1804 | { |
f9ffa1ea | 1805 | val = AREF (val, LGLYPH_IX_ADJUSTMENT); |
e950d6f1 KH |
1806 | CHECK_VECTOR (val); |
1807 | if (ASIZE (val) < 3) | |
1808 | goto err; | |
1809 | for (j = 0; j < 3; j++) | |
1810 | CHECK_NUMBER (AREF (val, j)); | |
1811 | } | |
1812 | } | |
1813 | return i; | |
1814 | err: | |
1815 | error ("Invalid glyph-string format"); | |
1816 | return -1; | |
1817 | } | |
1818 | ||
cf385d93 | 1819 | static void |
1dae0f0a | 1820 | check_otf_features (Lisp_Object otf_features) |
cf385d93 | 1821 | { |
35027d0c | 1822 | Lisp_Object val; |
cf385d93 KH |
1823 | |
1824 | CHECK_CONS (otf_features); | |
1825 | CHECK_SYMBOL (XCAR (otf_features)); | |
1826 | otf_features = XCDR (otf_features); | |
1827 | CHECK_CONS (otf_features); | |
1828 | CHECK_SYMBOL (XCAR (otf_features)); | |
1829 | otf_features = XCDR (otf_features); | |
7d7bbefd | 1830 | for (val = Fcar (otf_features); CONSP (val); val = XCDR (val)) |
cf385d93 KH |
1831 | { |
1832 | CHECK_SYMBOL (Fcar (val)); | |
1833 | if (SBYTES (SYMBOL_NAME (XCAR (val))) > 4) | |
e6c3da20 EZ |
1834 | error ("Invalid OTF GSUB feature: %s", |
1835 | SDATA (SYMBOL_NAME (XCAR (val)))); | |
cf385d93 KH |
1836 | } |
1837 | otf_features = XCDR (otf_features); | |
7d7bbefd | 1838 | for (val = Fcar (otf_features); CONSP (val); val = XCDR (val)) |
cf385d93 KH |
1839 | { |
1840 | CHECK_SYMBOL (Fcar (val)); | |
1841 | if (SBYTES (SYMBOL_NAME (XCAR (val))) > 4) | |
e6c3da20 EZ |
1842 | error ("Invalid OTF GPOS feature: %s", |
1843 | SDATA (SYMBOL_NAME (XCAR (val)))); | |
cf385d93 KH |
1844 | } |
1845 | } | |
1846 | ||
c2f5bfd6 KH |
1847 | #ifdef HAVE_LIBOTF |
1848 | #include <otf.h> | |
1849 | ||
733fd013 | 1850 | Lisp_Object otf_list; |
c2f5bfd6 KH |
1851 | |
1852 | static Lisp_Object | |
1dae0f0a | 1853 | otf_tag_symbol (OTF_Tag tag) |
c2f5bfd6 KH |
1854 | { |
1855 | char name[5]; | |
1856 | ||
1857 | OTF_tag_name (tag, name); | |
1858 | return Fintern (make_unibyte_string (name, 4), Qnil); | |
1859 | } | |
1860 | ||
1861 | static OTF * | |
1dae0f0a | 1862 | otf_open (Lisp_Object file) |
c2f5bfd6 | 1863 | { |
35027d0c | 1864 | Lisp_Object val = Fassoc (file, otf_list); |
733fd013 KH |
1865 | OTF *otf; |
1866 | ||
1867 | if (! NILP (val)) | |
1868 | otf = XSAVE_VALUE (XCDR (val))->pointer; | |
1869 | else | |
c2f5bfd6 | 1870 | { |
51b59d79 | 1871 | otf = STRINGP (file) ? OTF_open (SSDATA (file)) : NULL; |
733fd013 | 1872 | val = make_save_value (otf, 0); |
35027d0c | 1873 | otf_list = Fcons (Fcons (file, val), otf_list); |
c2f5bfd6 | 1874 | } |
733fd013 | 1875 | return otf; |
c2f5bfd6 KH |
1876 | } |
1877 | ||
1878 | ||
1879 | /* Return a list describing which scripts/languages FONT supports by | |
1880 | which GSUB/GPOS features of OpenType tables. See the comment of | |
51c01100 | 1881 | (struct font_driver).otf_capability. */ |
c2f5bfd6 KH |
1882 | |
1883 | Lisp_Object | |
1dae0f0a | 1884 | font_otf_capability (struct font *font) |
c2f5bfd6 KH |
1885 | { |
1886 | OTF *otf; | |
1887 | Lisp_Object capability = Fcons (Qnil, Qnil); | |
1888 | int i; | |
1889 | ||
35027d0c | 1890 | otf = otf_open (font->props[FONT_FILE_INDEX]); |
c2f5bfd6 KH |
1891 | if (! otf) |
1892 | return Qnil; | |
1893 | for (i = 0; i < 2; i++) | |
1894 | { | |
1895 | OTF_GSUB_GPOS *gsub_gpos; | |
1896 | Lisp_Object script_list = Qnil; | |
1897 | int j; | |
1898 | ||
1899 | if (OTF_get_features (otf, i == 0) < 0) | |
1900 | continue; | |
1901 | gsub_gpos = i == 0 ? otf->gsub : otf->gpos; | |
1902 | for (j = gsub_gpos->ScriptList.ScriptCount - 1; j >= 0; j--) | |
1903 | { | |
1904 | OTF_Script *script = gsub_gpos->ScriptList.Script + j; | |
1905 | Lisp_Object langsys_list = Qnil; | |
1906 | Lisp_Object script_tag = otf_tag_symbol (script->ScriptTag); | |
1907 | int k; | |
1908 | ||
1909 | for (k = script->LangSysCount; k >= 0; k--) | |
1910 | { | |
1911 | OTF_LangSys *langsys; | |
1912 | Lisp_Object feature_list = Qnil; | |
1913 | Lisp_Object langsys_tag; | |
1914 | int l; | |
1915 | ||
e80e09b4 | 1916 | if (k == script->LangSysCount) |
c2f5bfd6 KH |
1917 | { |
1918 | langsys = &script->DefaultLangSys; | |
1919 | langsys_tag = Qnil; | |
1920 | } | |
1921 | else | |
1922 | { | |
1923 | langsys = script->LangSys + k; | |
1924 | langsys_tag | |
1925 | = otf_tag_symbol (script->LangSysRecord[k].LangSysTag); | |
1926 | } | |
e80e09b4 | 1927 | for (l = langsys->FeatureCount - 1; l >= 0; l--) |
c2f5bfd6 KH |
1928 | { |
1929 | OTF_Feature *feature | |
1930 | = gsub_gpos->FeatureList.Feature + langsys->FeatureIndex[l]; | |
1931 | Lisp_Object feature_tag | |
1932 | = otf_tag_symbol (feature->FeatureTag); | |
1933 | ||
1934 | feature_list = Fcons (feature_tag, feature_list); | |
1935 | } | |
1936 | langsys_list = Fcons (Fcons (langsys_tag, feature_list), | |
1937 | langsys_list); | |
1938 | } | |
1939 | script_list = Fcons (Fcons (script_tag, langsys_list), | |
1940 | script_list); | |
1941 | } | |
1942 | ||
1943 | if (i == 0) | |
1944 | XSETCAR (capability, script_list); | |
1945 | else | |
1946 | XSETCDR (capability, script_list); | |
1947 | } | |
1948 | ||
1949 | return capability; | |
1950 | } | |
1951 | ||
733fd013 KH |
1952 | /* Parse OTF features in SPEC and write a proper features spec string |
1953 | in FEATURES for the call of OTF_drive_gsub/gpos (of libotf). It is | |
1954 | assured that the sufficient memory has already allocated for | |
1955 | FEATURES. */ | |
1956 | ||
e80e09b4 | 1957 | static void |
1dae0f0a | 1958 | generate_otf_features (Lisp_Object spec, char *features) |
c2f5bfd6 KH |
1959 | { |
1960 | Lisp_Object val; | |
35027d0c | 1961 | char *p; |
c2f5bfd6 KH |
1962 | int asterisk; |
1963 | ||
733fd013 | 1964 | p = features; |
e80e09b4 | 1965 | *p = '\0'; |
c2f5bfd6 KH |
1966 | for (asterisk = 0; CONSP (spec); spec = XCDR (spec)) |
1967 | { | |
1968 | val = XCAR (spec); | |
e80e09b4 KH |
1969 | CHECK_SYMBOL (val); |
1970 | if (p > features) | |
733fd013 | 1971 | *p++ = ','; |
c2f5bfd6 KH |
1972 | if (SREF (SYMBOL_NAME (val), 0) == '*') |
1973 | { | |
1974 | asterisk = 1; | |
e80e09b4 | 1975 | *p++ = '*'; |
c2f5bfd6 KH |
1976 | } |
1977 | else if (! asterisk) | |
e80e09b4 KH |
1978 | { |
1979 | val = SYMBOL_NAME (val); | |
c21721cc | 1980 | p += esprintf (p, "%s", SDATA (val)); |
e80e09b4 | 1981 | } |
c2f5bfd6 | 1982 | else |
e80e09b4 KH |
1983 | { |
1984 | val = SYMBOL_NAME (val); | |
c21721cc | 1985 | p += esprintf (p, "~%s", SDATA (val)); |
e80e09b4 | 1986 | } |
c2f5bfd6 | 1987 | } |
e80e09b4 KH |
1988 | if (CONSP (spec)) |
1989 | error ("OTF spec too long"); | |
1990 | } | |
1991 | ||
733fd013 | 1992 | Lisp_Object |
1dae0f0a | 1993 | font_otf_DeviceTable (OTF_DeviceTable *device_table) |
733fd013 KH |
1994 | { |
1995 | int len = device_table->StartSize - device_table->EndSize + 1; | |
1996 | ||
1997 | return Fcons (make_number (len), | |
1998 | make_unibyte_string (device_table->DeltaValue, len)); | |
1999 | } | |
2000 | ||
2001 | Lisp_Object | |
1dae0f0a | 2002 | font_otf_ValueRecord (int value_format, OTF_ValueRecord *value_record) |
733fd013 KH |
2003 | { |
2004 | Lisp_Object val = Fmake_vector (make_number (8), Qnil); | |
2005 | ||
2006 | if (value_format & OTF_XPlacement) | |
43c0454d | 2007 | ASET (val, 0, make_number (value_record->XPlacement)); |
733fd013 | 2008 | if (value_format & OTF_YPlacement) |
43c0454d | 2009 | ASET (val, 1, make_number (value_record->YPlacement)); |
733fd013 | 2010 | if (value_format & OTF_XAdvance) |
43c0454d | 2011 | ASET (val, 2, make_number (value_record->XAdvance)); |
733fd013 | 2012 | if (value_format & OTF_YAdvance) |
43c0454d | 2013 | ASET (val, 3, make_number (value_record->YAdvance)); |
733fd013 KH |
2014 | if (value_format & OTF_XPlaDevice) |
2015 | ASET (val, 4, font_otf_DeviceTable (&value_record->XPlaDevice)); | |
2016 | if (value_format & OTF_YPlaDevice) | |
2017 | ASET (val, 4, font_otf_DeviceTable (&value_record->YPlaDevice)); | |
2018 | if (value_format & OTF_XAdvDevice) | |
2019 | ASET (val, 4, font_otf_DeviceTable (&value_record->XAdvDevice)); | |
2020 | if (value_format & OTF_YAdvDevice) | |
2021 | ASET (val, 4, font_otf_DeviceTable (&value_record->YAdvDevice)); | |
2022 | return val; | |
2023 | } | |
2024 | ||
2025 | Lisp_Object | |
1dae0f0a | 2026 | font_otf_Anchor (OTF_Anchor *anchor) |
733fd013 KH |
2027 | { |
2028 | Lisp_Object val; | |
2029 | ||
2030 | val = Fmake_vector (make_number (anchor->AnchorFormat + 1), Qnil); | |
2031 | ASET (val, 0, make_number (anchor->XCoordinate)); | |
2032 | ASET (val, 1, make_number (anchor->YCoordinate)); | |
2033 | if (anchor->AnchorFormat == 2) | |
2034 | ASET (val, 2, make_number (anchor->f.f1.AnchorPoint)); | |
2035 | else | |
2036 | { | |
2037 | ASET (val, 3, font_otf_DeviceTable (&anchor->f.f2.XDeviceTable)); | |
2038 | ASET (val, 4, font_otf_DeviceTable (&anchor->f.f2.YDeviceTable)); | |
2039 | } | |
2040 | return val; | |
2041 | } | |
c2f5bfd6 | 2042 | #endif /* HAVE_LIBOTF */ |
6a3dadd2 | 2043 | #endif /* 0 */ |
c2f5bfd6 | 2044 | |
c2f5bfd6 KH |
2045 | \f |
2046 | /* Font sorting */ | |
2047 | ||
f57e2426 J |
2048 | static unsigned font_score (Lisp_Object, Lisp_Object *); |
2049 | static int font_compare (const void *, const void *); | |
2050 | static Lisp_Object font_sort_entities (Lisp_Object, Lisp_Object, | |
2051 | Lisp_Object, int); | |
c2f5bfd6 | 2052 | |
55e41770 | 2053 | static double |
971de7fb | 2054 | font_rescale_ratio (Lisp_Object font_entity) |
55e41770 KH |
2055 | { |
2056 | Lisp_Object tail, elt; | |
2057 | Lisp_Object name = Qnil; | |
2058 | ||
2059 | for (tail = Vface_font_rescale_alist; CONSP (tail); tail = XCDR (tail)) | |
2060 | { | |
2061 | elt = XCAR (tail); | |
2062 | if (FLOATP (XCDR (elt))) | |
2063 | { | |
2064 | if (STRINGP (XCAR (elt))) | |
2065 | { | |
2066 | if (NILP (name)) | |
2067 | name = Ffont_xlfd_name (font_entity, Qnil); | |
2068 | if (fast_string_match_ignore_case (XCAR (elt), name) >= 0) | |
2069 | return XFLOAT_DATA (XCDR (elt)); | |
2070 | } | |
2071 | else if (FONT_SPEC_P (XCAR (elt))) | |
2072 | { | |
2073 | if (font_match_p (XCAR (elt), font_entity)) | |
2074 | return XFLOAT_DATA (XCDR (elt)); | |
2075 | } | |
2076 | } | |
2077 | } | |
2078 | return 1.0; | |
2079 | } | |
2080 | ||
c2f5bfd6 KH |
2081 | /* We sort fonts by scoring each of them against a specified |
2082 | font-spec. The score value is 32 bit (`unsigned'), and the smaller | |
2083 | the value is, the closer the font is to the font-spec. | |
2084 | ||
56dd2d86 | 2085 | The lowest 2 bits of the score are used for driver type. The font |
4007dd1c | 2086 | available by the most preferred font driver is 0. |
35027d0c | 2087 | |
56dd2d86 | 2088 | The 4 7-bit fields in the higher 28 bits are used for numeric properties |
c2f5bfd6 KH |
2089 | WEIGHT, SLANT, WIDTH, and SIZE. */ |
2090 | ||
2091 | /* How many bits to shift to store the difference value of each font | |
56dd2d86 | 2092 | property in a score. Note that floats for FONT_TYPE_INDEX and |
35027d0c | 2093 | FONT_REGISTRY_INDEX are not used. */ |
c2f5bfd6 KH |
2094 | static int sort_shift_bits[FONT_SIZE_INDEX + 1]; |
2095 | ||
9331887d KH |
2096 | /* Score font-entity ENTITY against properties of font-spec SPEC_PROP. |
2097 | The return value indicates how different ENTITY is compared with | |
51c13510 | 2098 | SPEC_PROP. */ |
c2f5bfd6 KH |
2099 | |
2100 | static unsigned | |
971de7fb | 2101 | font_score (Lisp_Object entity, Lisp_Object *spec_prop) |
c2f5bfd6 KH |
2102 | { |
2103 | unsigned score = 0; | |
2104 | int i; | |
c2f5bfd6 | 2105 | |
35027d0c KH |
2106 | /* Score three style numeric fields. Maximum difference is 127. */ |
2107 | for (i = FONT_WEIGHT_INDEX; i <= FONT_WIDTH_INDEX; i++) | |
2108 | if (! NILP (spec_prop[i]) && ! EQ (AREF (entity, i), spec_prop[i])) | |
2109 | { | |
790771b1 PE |
2110 | EMACS_INT diff = ((XINT (AREF (entity, i)) >> 8) |
2111 | - (XINT (spec_prop[i]) >> 8)); | |
35027d0c KH |
2112 | if (diff < 0) |
2113 | diff = - diff; | |
790771b1 | 2114 | score |= min (diff, 127) << sort_shift_bits[i]; |
35027d0c KH |
2115 | } |
2116 | ||
2117 | /* Score the size. Maximum difference is 127. */ | |
2118 | i = FONT_SIZE_INDEX; | |
55e41770 KH |
2119 | if (! NILP (spec_prop[FONT_SIZE_INDEX]) |
2120 | && XINT (AREF (entity, FONT_SIZE_INDEX)) > 0) | |
35027d0c KH |
2121 | { |
2122 | /* We use the higher 6-bit for the actual size difference. The | |
2123 | lowest bit is set if the DPI is different. */ | |
b79e8648 PE |
2124 | EMACS_INT diff; |
2125 | EMACS_INT pixel_size = XINT (spec_prop[FONT_SIZE_INDEX]); | |
35027d0c | 2126 | |
55e41770 KH |
2127 | if (CONSP (Vface_font_rescale_alist)) |
2128 | pixel_size *= font_rescale_ratio (entity); | |
2129 | diff = pixel_size - XINT (AREF (entity, FONT_SIZE_INDEX)); | |
35027d0c KH |
2130 | if (diff < 0) |
2131 | diff = - diff; | |
d0ab1ebe | 2132 | diff <<= 1; |
35027d0c KH |
2133 | if (! NILP (spec_prop[FONT_DPI_INDEX]) |
2134 | && ! EQ (spec_prop[FONT_DPI_INDEX], AREF (entity, FONT_DPI_INDEX))) | |
2135 | diff |= 1; | |
c0a6070d KH |
2136 | if (! NILP (spec_prop[FONT_AVGWIDTH_INDEX]) |
2137 | && ! EQ (spec_prop[FONT_AVGWIDTH_INDEX], AREF (entity, FONT_AVGWIDTH_INDEX))) | |
2138 | diff |= 1; | |
35027d0c | 2139 | score |= min (diff, 127) << sort_shift_bits[FONT_SIZE_INDEX]; |
c2f5bfd6 KH |
2140 | } |
2141 | ||
2142 | return score; | |
2143 | } | |
2144 | ||
2145 | ||
72d36834 KH |
2146 | /* Concatenate all elements of LIST into one vector. LIST is a list |
2147 | of font-entity vectors. */ | |
c2f5bfd6 | 2148 | |
72d36834 KH |
2149 | static Lisp_Object |
2150 | font_vconcat_entity_vectors (Lisp_Object list) | |
c2f5bfd6 | 2151 | { |
72d36834 KH |
2152 | int nargs = XINT (Flength (list)); |
2153 | Lisp_Object *args = alloca (sizeof (Lisp_Object) * nargs); | |
2154 | int i; | |
2155 | ||
2156 | for (i = 0; i < nargs; i++, list = XCDR (list)) | |
2157 | args[i] = XCAR (list); | |
2158 | return Fvconcat (nargs, args); | |
c2f5bfd6 KH |
2159 | } |
2160 | ||
2161 | ||
2162 | /* The structure for elements being sorted by qsort. */ | |
2163 | struct font_sort_data | |
2164 | { | |
2165 | unsigned score; | |
72d36834 | 2166 | int font_driver_preference; |
c2f5bfd6 KH |
2167 | Lisp_Object entity; |
2168 | }; | |
2169 | ||
2170 | ||
72d36834 KH |
2171 | /* The comparison function for qsort. */ |
2172 | ||
2173 | static int | |
971de7fb | 2174 | font_compare (const void *d1, const void *d2) |
72d36834 KH |
2175 | { |
2176 | const struct font_sort_data *data1 = d1; | |
2177 | const struct font_sort_data *data2 = d2; | |
2178 | ||
2179 | if (data1->score < data2->score) | |
2180 | return -1; | |
2181 | else if (data1->score > data2->score) | |
2182 | return 1; | |
2183 | return (data1->font_driver_preference - data2->font_driver_preference); | |
2184 | } | |
2185 | ||
2186 | ||
2187 | /* Sort each font-entity vector in LIST by closeness to font-spec PREFER. | |
c2f5bfd6 | 2188 | If PREFER specifies a point-size, calculate the corresponding |
9331887d | 2189 | pixel-size from QCdpi property of PREFER or from the Y-resolution |
7181ea6a | 2190 | of FRAME before sorting. |
35027d0c | 2191 | |
c9477f01 KH |
2192 | If BEST-ONLY is nonzero, return the best matching entity (that |
2193 | supports the character BEST-ONLY if BEST-ONLY is positive, or any | |
72d36834 KH |
2194 | if BEST-ONLY is negative). Otherwise, return the sorted result as |
2195 | a single vector of font-entities. | |
c9477f01 | 2196 | |
72d36834 KH |
2197 | This function does no optimization for the case that the total |
2198 | number of elements is 1. The caller should avoid calling this in | |
2199 | such a case. */ | |
c2f5bfd6 KH |
2200 | |
2201 | static Lisp_Object | |
971de7fb | 2202 | font_sort_entities (Lisp_Object list, Lisp_Object prefer, Lisp_Object frame, 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; |
4007dd1c | 2209 | struct frame *f = XFRAME (frame); |
5ad03b97 | 2210 | Lisp_Object tail, vec IF_LINT (= Qnil); |
c2f5bfd6 KH |
2211 | USE_SAFE_ALLOCA; |
2212 | ||
9903d1e6 | 2213 | for (i = FONT_WEIGHT_INDEX; i <= FONT_AVGWIDTH_INDEX; i++) |
9331887d | 2214 | prefer_prop[i] = AREF (prefer, i); |
9331887d KH |
2215 | if (FLOATP (prefer_prop[FONT_SIZE_INDEX])) |
2216 | prefer_prop[FONT_SIZE_INDEX] | |
2217 | = make_number (font_pixel_size (XFRAME (frame), prefer)); | |
2218 | ||
72d36834 KH |
2219 | if (NILP (XCDR (list))) |
2220 | { | |
2221 | /* What we have to take care of is this single vector. */ | |
2222 | vec = XCAR (list); | |
2223 | maxlen = ASIZE (vec); | |
2224 | } | |
2225 | else if (best_only) | |
2226 | { | |
2227 | /* We don't have to perform sort, so there's no need of creating | |
2228 | a single vector. But, we must find the length of the longest | |
2229 | vector. */ | |
2230 | maxlen = 0; | |
2231 | for (tail = list; CONSP (tail); tail = XCDR (tail)) | |
2232 | if (maxlen < ASIZE (XCAR (tail))) | |
2233 | maxlen = ASIZE (XCAR (tail)); | |
2234 | } | |
2235 | else | |
2236 | { | |
2237 | /* We have to create a single vector to sort it. */ | |
2238 | vec = font_vconcat_entity_vectors (list); | |
2239 | maxlen = ASIZE (vec); | |
2240 | } | |
2241 | ||
2242 | SAFE_ALLOCA (data, struct font_sort_data *, (sizeof *data) * maxlen); | |
c9477f01 KH |
2243 | best_score = 0xFFFFFFFF; |
2244 | best_entity = Qnil; | |
72d36834 KH |
2245 | |
2246 | for (tail = list; CONSP (tail); tail = XCDR (tail)) | |
c2f5bfd6 | 2247 | { |
72d36834 KH |
2248 | int font_driver_preference = 0; |
2249 | Lisp_Object current_font_driver; | |
ce75f06e | 2250 | |
72d36834 KH |
2251 | if (best_only) |
2252 | vec = XCAR (tail); | |
2253 | len = ASIZE (vec); | |
2254 | ||
2255 | /* We are sure that the length of VEC > 0. */ | |
2256 | current_font_driver = AREF (AREF (vec, 0), FONT_TYPE_INDEX); | |
2257 | /* Score the elements. */ | |
2258 | for (i = 0; i < len; i++) | |
35027d0c | 2259 | { |
72d36834 KH |
2260 | data[i].entity = AREF (vec, i); |
2261 | data[i].score | |
2262 | = ((best_only <= 0 || font_has_char (f, data[i].entity, best_only) | |
2263 | > 0) | |
2264 | ? font_score (data[i].entity, prefer_prop) | |
2265 | : 0xFFFFFFFF); | |
2266 | if (best_only && best_score > data[i].score) | |
2267 | { | |
2268 | best_score = data[i].score; | |
2269 | best_entity = data[i].entity; | |
2270 | if (best_score == 0) | |
2271 | break; | |
2272 | } | |
2273 | if (! EQ (current_font_driver, AREF (AREF (vec, i), FONT_TYPE_INDEX))) | |
2274 | { | |
2275 | current_font_driver = AREF (AREF (vec, i), FONT_TYPE_INDEX); | |
2276 | font_driver_preference++; | |
2277 | } | |
2278 | data[i].font_driver_preference = font_driver_preference; | |
35027d0c | 2279 | } |
72d36834 KH |
2280 | |
2281 | /* Sort if necessary. */ | |
2282 | if (! best_only) | |
2283 | { | |
2284 | qsort (data, len, sizeof *data, font_compare); | |
2285 | for (i = 0; i < len; i++) | |
2286 | ASET (vec, i, data[i].entity); | |
2287 | break; | |
2288 | } | |
2289 | else | |
2290 | vec = best_entity; | |
c2f5bfd6 | 2291 | } |
72d36834 | 2292 | |
c2f5bfd6 KH |
2293 | SAFE_FREE (); |
2294 | ||
652b9560 | 2295 | FONT_ADD_LOG ("sort-by", prefer, vec); |
c2f5bfd6 KH |
2296 | return vec; |
2297 | } | |
2298 | ||
2299 | \f | |
2300 | /* API of Font Service Layer. */ | |
2301 | ||
45eb10fb KH |
2302 | /* Reflect ORDER (see the variable font_sort_order in xfaces.c) to |
2303 | sort_shift_bits. Finternal_set_font_selection_order calls this | |
2304 | function with font_sort_order after setting up it. */ | |
2305 | ||
c2f5bfd6 | 2306 | void |
971de7fb | 2307 | font_update_sort_order (int *order) |
c2f5bfd6 | 2308 | { |
35027d0c | 2309 | int i, shift_bits; |
c2f5bfd6 | 2310 | |
943b7eea | 2311 | for (i = 0, shift_bits = 23; i < 4; i++, shift_bits -= 7) |
c2f5bfd6 KH |
2312 | { |
2313 | int xlfd_idx = order[i]; | |
2314 | ||
2315 | if (xlfd_idx == XLFD_WEIGHT_INDEX) | |
2316 | sort_shift_bits[FONT_WEIGHT_INDEX] = shift_bits; | |
2317 | else if (xlfd_idx == XLFD_SLANT_INDEX) | |
2318 | sort_shift_bits[FONT_SLANT_INDEX] = shift_bits; | |
2319 | else if (xlfd_idx == XLFD_SWIDTH_INDEX) | |
2320 | sort_shift_bits[FONT_WIDTH_INDEX] = shift_bits; | |
2321 | else | |
2322 | sort_shift_bits[FONT_SIZE_INDEX] = shift_bits; | |
2323 | } | |
2324 | } | |
2325 | ||
51c13510 | 2326 | static int |
971de7fb | 2327 | font_check_otf_features (Lisp_Object script, Lisp_Object langsys, Lisp_Object features, Lisp_Object table) |
51c13510 KH |
2328 | { |
2329 | Lisp_Object val; | |
2330 | int negative; | |
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 | ||
2366 | static int | |
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 | |
ef18374f | 2400 | int |
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 | |
2515 | cons (FONT-SPEC FONT-ENTITY ...). */ | |
2516 | ||
f57e2426 J |
2517 | static void font_prepare_cache (FRAME_PTR, struct font_driver *); |
2518 | static void font_finish_cache (FRAME_PTR, struct font_driver *); | |
2519 | static Lisp_Object font_get_cache (FRAME_PTR, struct font_driver *); | |
2520 | static void font_clear_cache (FRAME_PTR, Lisp_Object, | |
2521 | struct font_driver *); | |
ca4da08a KH |
2522 | |
2523 | static void | |
971de7fb | 2524 | font_prepare_cache (FRAME_PTR 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 | { | |
2534 | val = Fcons (driver->type, Fcons (make_number (1), Qnil)); | |
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 |
971de7fb | 2546 | font_finish_cache (FRAME_PTR 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); | |
d0ab1ebe | 2555 | font_assert (! 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 |
971de7fb | 2567 | font_get_cache (FRAME_PTR f, struct font_driver *driver) |
ca4da08a KH |
2568 | { |
2569 | Lisp_Object val = driver->get_cache (f); | |
2570 | Lisp_Object type = driver->type; | |
2571 | ||
d0ab1ebe | 2572 | font_assert (CONSP (val)); |
ca4da08a | 2573 | for (val = XCDR (val); ! EQ (XCAR (XCAR (val)), type); val = XCDR (val)); |
d0ab1ebe | 2574 | font_assert (CONSP (val)); |
ca4da08a KH |
2575 | /* VAL = ((DRIVER-TYPE NUM-FRAMES FONT-CACHE-DATA ...) ...) */ |
2576 | val = XCDR (XCAR (val)); | |
2577 | return val; | |
2578 | } | |
2579 | ||
43c0454d KH |
2580 | static int num_fonts; |
2581 | ||
ca4da08a | 2582 | static void |
971de7fb | 2583 | font_clear_cache (FRAME_PTR f, Lisp_Object cache, struct font_driver *driver) |
ca4da08a KH |
2584 | { |
2585 | Lisp_Object tail, elt; | |
6136b72f | 2586 | Lisp_Object tail2, entity; |
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); | |
6136b72f CY |
2592 | /* elt should have the form (FONT-SPEC FONT-ENTITY ...) */ |
2593 | if (CONSP (elt) && FONT_SPEC_P (XCAR (elt))) | |
ca4da08a | 2594 | { |
6136b72f | 2595 | for (tail2 = XCDR (elt); CONSP (tail2); tail2 = XCDR (tail2)) |
ca4da08a | 2596 | { |
6136b72f | 2597 | entity = XCAR (tail2); |
ca4da08a | 2598 | |
6136b72f CY |
2599 | if (FONT_ENTITY_P (entity) |
2600 | && EQ (driver->type, AREF (entity, FONT_TYPE_INDEX))) | |
ca4da08a KH |
2601 | { |
2602 | Lisp_Object objlist = AREF (entity, FONT_OBJLIST_INDEX); | |
2603 | ||
2604 | for (; CONSP (objlist); objlist = XCDR (objlist)) | |
2605 | { | |
2606 | Lisp_Object val = XCAR (objlist); | |
35027d0c | 2607 | struct font *font = XFONT_OBJECT (val); |
ca4da08a | 2608 | |
5e634ec9 KH |
2609 | if (! NILP (AREF (val, FONT_TYPE_INDEX))) |
2610 | { | |
2611 | font_assert (font && driver == font->driver); | |
2612 | driver->close (f, font); | |
2613 | num_fonts--; | |
2614 | } | |
ca4da08a KH |
2615 | } |
2616 | if (driver->free_entity) | |
2617 | driver->free_entity (entity); | |
2618 | } | |
2619 | } | |
2620 | } | |
2621 | } | |
2622 | XSETCDR (cache, Qnil); | |
2623 | } | |
2624 | \f | |
2625 | ||
c2f5bfd6 KH |
2626 | static Lisp_Object scratch_font_spec, scratch_font_prefer; |
2627 | ||
7d56b2dd | 2628 | /* Check each font-entity in VEC, and return a list of font-entities |
56dd2d86 | 2629 | that satisfy these conditions: |
7d56b2dd KH |
2630 | (1) matches with SPEC and SIZE if SPEC is not nil, and |
2631 | (2) doesn't match with any regexps in Vface_ignored_fonts (if non-nil). | |
2632 | */ | |
2633 | ||
7b81e2d0 | 2634 | static Lisp_Object |
971de7fb | 2635 | font_delete_unmatched (Lisp_Object vec, Lisp_Object spec, int size) |
35027d0c | 2636 | { |
d0ab1ebe | 2637 | Lisp_Object entity, val; |
35027d0c | 2638 | enum font_property_index prop; |
72d36834 | 2639 | int i; |
45eb10fb | 2640 | |
72d36834 | 2641 | for (val = Qnil, i = ASIZE (vec) - 1; i >= 0; i--) |
35027d0c | 2642 | { |
72d36834 | 2643 | entity = AREF (vec, i); |
7d56b2dd KH |
2644 | if (! NILP (Vface_ignored_fonts)) |
2645 | { | |
2646 | char name[256]; | |
2647 | Lisp_Object tail, regexp; | |
2648 | ||
2649 | if (font_unparse_xlfd (entity, 0, name, 256) >= 0) | |
2650 | { | |
2651 | for (tail = Vface_ignored_fonts; CONSP (tail); tail = XCDR (tail)) | |
2652 | { | |
2653 | regexp = XCAR (tail); | |
2654 | if (STRINGP (regexp) | |
2655 | && fast_c_string_match_ignore_case (regexp, name) >= 0) | |
2656 | break; | |
2657 | } | |
2658 | if (CONSP (tail)) | |
2659 | continue; | |
2660 | } | |
2661 | } | |
2662 | if (NILP (spec)) | |
2663 | { | |
2664 | val = Fcons (entity, val); | |
2665 | continue; | |
2666 | } | |
35027d0c KH |
2667 | for (prop = FONT_WEIGHT_INDEX; prop < FONT_SIZE_INDEX; prop++) |
2668 | if (INTEGERP (AREF (spec, prop)) | |
2669 | && ((XINT (AREF (spec, prop)) >> 8) | |
2670 | != (XINT (AREF (entity, prop)) >> 8))) | |
2671 | prop = FONT_SPEC_MAX; | |
7181ea6a | 2672 | if (prop < FONT_SPEC_MAX |
35027d0c KH |
2673 | && size |
2674 | && XINT (AREF (entity, FONT_SIZE_INDEX)) > 0) | |
2675 | { | |
2676 | int diff = XINT (AREF (entity, FONT_SIZE_INDEX)) - size; | |
c2f5bfd6 | 2677 | |
35027d0c KH |
2678 | if (diff != 0 |
2679 | && (diff < 0 ? -diff > FONT_PIXEL_SIZE_QUANTUM | |
2680 | : diff > FONT_PIXEL_SIZE_QUANTUM)) | |
2681 | prop = FONT_SPEC_MAX; | |
2682 | } | |
7181ea6a KH |
2683 | if (prop < FONT_SPEC_MAX |
2684 | && INTEGERP (AREF (spec, FONT_DPI_INDEX)) | |
2685 | && INTEGERP (AREF (entity, FONT_DPI_INDEX)) | |
c576d6dc | 2686 | && XINT (AREF (entity, FONT_DPI_INDEX)) != 0 |
7181ea6a KH |
2687 | && ! EQ (AREF (spec, FONT_DPI_INDEX), AREF (entity, FONT_DPI_INDEX))) |
2688 | prop = FONT_SPEC_MAX; | |
2689 | if (prop < FONT_SPEC_MAX | |
2690 | && INTEGERP (AREF (spec, FONT_AVGWIDTH_INDEX)) | |
2691 | && INTEGERP (AREF (entity, FONT_AVGWIDTH_INDEX)) | |
c576d6dc | 2692 | && XINT (AREF (entity, FONT_AVGWIDTH_INDEX)) != 0 |
7181ea6a KH |
2693 | && ! EQ (AREF (spec, FONT_AVGWIDTH_INDEX), |
2694 | AREF (entity, FONT_AVGWIDTH_INDEX))) | |
2695 | prop = FONT_SPEC_MAX; | |
35027d0c | 2696 | if (prop < FONT_SPEC_MAX) |
d0ab1ebe | 2697 | val = Fcons (entity, val); |
35027d0c | 2698 | } |
72d36834 | 2699 | return (Fvconcat (1, &val)); |
35027d0c KH |
2700 | } |
2701 | ||
2702 | ||
72d36834 | 2703 | /* Return a list of vectors of font-entities matching with SPEC on |
ce75f06e CY |
2704 | FRAME. Each elements in the list is a vector of entities from the |
2705 | same font-driver. */ | |
35027d0c KH |
2706 | |
2707 | Lisp_Object | |
971de7fb | 2708 | font_list_entities (Lisp_Object frame, Lisp_Object spec) |
c2f5bfd6 KH |
2709 | { |
2710 | FRAME_PTR f = XFRAME (frame); | |
2711 | struct font_driver_list *driver_list = f->font_driver_list; | |
4007dd1c | 2712 | Lisp_Object ftype, val; |
72d36834 | 2713 | Lisp_Object list = Qnil; |
35027d0c KH |
2714 | int size; |
2715 | int need_filtering = 0; | |
c2f5bfd6 KH |
2716 | int i; |
2717 | ||
d0ab1ebe | 2718 | font_assert (FONT_SPEC_P (spec)); |
c2f5bfd6 | 2719 | |
35027d0c KH |
2720 | if (INTEGERP (AREF (spec, FONT_SIZE_INDEX))) |
2721 | size = XINT (AREF (spec, FONT_SIZE_INDEX)); | |
2722 | else if (FLOATP (AREF (spec, FONT_SIZE_INDEX))) | |
2723 | size = font_pixel_size (f, spec); | |
2724 | else | |
2725 | size = 0; | |
2726 | ||
c2f5bfd6 | 2727 | ftype = AREF (spec, FONT_TYPE_INDEX); |
4007dd1c | 2728 | for (i = FONT_FOUNDRY_INDEX; i <= FONT_REGISTRY_INDEX; i++) |
35027d0c | 2729 | ASET (scratch_font_spec, i, AREF (spec, i)); |
4007dd1c | 2730 | for (i = FONT_WEIGHT_INDEX; i < FONT_EXTRA_INDEX; i++) |
56201685 PE |
2731 | if (i != FONT_SPACING_INDEX) |
2732 | { | |
2733 | ASET (scratch_font_spec, i, Qnil); | |
2734 | if (! NILP (AREF (spec, i))) | |
2735 | need_filtering = 1; | |
2736 | } | |
aa50ca2f | 2737 | ASET (scratch_font_spec, FONT_SPACING_INDEX, AREF (spec, FONT_SPACING_INDEX)); |
35027d0c KH |
2738 | ASET (scratch_font_spec, FONT_EXTRA_INDEX, AREF (spec, FONT_EXTRA_INDEX)); |
2739 | ||
c2f5bfd6 | 2740 | for (i = 0; driver_list; driver_list = driver_list->next) |
417a1b10 KH |
2741 | if (driver_list->on |
2742 | && (NILP (ftype) || EQ (driver_list->driver->type, ftype))) | |
c2f5bfd6 | 2743 | { |
ca4da08a | 2744 | Lisp_Object cache = font_get_cache (f, driver_list->driver); |
c2f5bfd6 | 2745 | |
e4c93315 | 2746 | ASET (scratch_font_spec, FONT_TYPE_INDEX, driver_list->driver->type); |
4007dd1c KH |
2747 | val = assoc_no_quit (scratch_font_spec, XCDR (cache)); |
2748 | if (CONSP (val)) | |
2749 | val = XCDR (val); | |
2750 | else | |
c2f5bfd6 | 2751 | { |
4007dd1c | 2752 | Lisp_Object copy; |
35027d0c | 2753 | |
4007dd1c | 2754 | val = driver_list->driver->list (frame, scratch_font_spec); |
72d36834 KH |
2755 | if (NILP (val)) |
2756 | val = null_vector; | |
2757 | else | |
2758 | val = Fvconcat (1, &val); | |
92470028 | 2759 | copy = copy_font_spec (scratch_font_spec); |
4007dd1c KH |
2760 | ASET (copy, FONT_TYPE_INDEX, driver_list->driver->type); |
2761 | XSETCDR (cache, Fcons (Fcons (copy, val), XCDR (cache))); | |
c2f5bfd6 | 2762 | } |
7d56b2dd KH |
2763 | if (ASIZE (val) > 0 |
2764 | && (need_filtering | |
2765 | || ! NILP (Vface_ignored_fonts))) | |
2766 | val = font_delete_unmatched (val, need_filtering ? spec : Qnil, size); | |
72d36834 KH |
2767 | if (ASIZE (val) > 0) |
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 |
971de7fb | 2782 | font_matching_entity (FRAME_PTR 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; | |
35027d0c | 2786 | Lisp_Object frame; |
92470028 | 2787 | Lisp_Object work = copy_font_spec (spec); |
e950d6f1 | 2788 | |
35027d0c | 2789 | XSETFRAME (frame, f); |
e950d6f1 KH |
2790 | ftype = AREF (spec, FONT_TYPE_INDEX); |
2791 | size = AREF (spec, FONT_SIZE_INDEX); | |
819ab95f | 2792 | |
8d0e382e AR |
2793 | if (FLOATP (size)) |
2794 | ASET (work, FONT_SIZE_INDEX, make_number (font_pixel_size (f, spec))); | |
819ab95f KH |
2795 | FONT_SET_STYLE (work, FONT_WEIGHT_INDEX, attrs[LFACE_WEIGHT_INDEX]); |
2796 | FONT_SET_STYLE (work, FONT_SLANT_INDEX, attrs[LFACE_SLANT_INDEX]); | |
2797 | FONT_SET_STYLE (work, FONT_WIDTH_INDEX, attrs[LFACE_SWIDTH_INDEX]); | |
2798 | ||
e950d6f1 KH |
2799 | entity = Qnil; |
2800 | for (; driver_list; driver_list = driver_list->next) | |
2801 | if (driver_list->on | |
2802 | && (NILP (ftype) || EQ (driver_list->driver->type, ftype))) | |
2803 | { | |
ca4da08a | 2804 | Lisp_Object cache = font_get_cache (f, driver_list->driver); |
7cee5d63 | 2805 | Lisp_Object copy; |
e950d6f1 | 2806 | |
819ab95f KH |
2807 | ASET (work, FONT_TYPE_INDEX, driver_list->driver->type); |
2808 | entity = assoc_no_quit (work, XCDR (cache)); | |
7cee5d63 | 2809 | if (CONSP (entity)) |
e950d6f1 KH |
2810 | entity = XCDR (entity); |
2811 | else | |
2812 | { | |
819ab95f | 2813 | entity = driver_list->driver->match (frame, work); |
92470028 | 2814 | copy = copy_font_spec (work); |
7cee5d63 KH |
2815 | ASET (copy, FONT_TYPE_INDEX, driver_list->driver->type); |
2816 | XSETCDR (cache, Fcons (Fcons (copy, entity), XCDR (cache))); | |
e950d6f1 KH |
2817 | } |
2818 | if (! NILP (entity)) | |
2819 | break; | |
2820 | } | |
652b9560 | 2821 | FONT_ADD_LOG ("match", work, entity); |
e950d6f1 KH |
2822 | return entity; |
2823 | } | |
2824 | ||
45eb10fb KH |
2825 | |
2826 | /* Open a font of ENTITY and PIXEL_SIZE on frame F, and return the | |
2827 | opened font object. */ | |
2828 | ||
c2f5bfd6 | 2829 | static Lisp_Object |
971de7fb | 2830 | font_open_entity (FRAME_PTR f, Lisp_Object entity, int pixel_size) |
c2f5bfd6 KH |
2831 | { |
2832 | struct font_driver_list *driver_list; | |
43c0454d | 2833 | Lisp_Object objlist, size, val, font_object; |
c2f5bfd6 | 2834 | struct font *font; |
d26424c5 | 2835 | int min_width, height; |
dbc05432 | 2836 | int scaled_pixel_size = pixel_size; |
c2f5bfd6 | 2837 | |
d0ab1ebe | 2838 | font_assert (FONT_ENTITY_P (entity)); |
c2f5bfd6 | 2839 | size = AREF (entity, FONT_SIZE_INDEX); |
c2f5bfd6 | 2840 | if (XINT (size) != 0) |
a35dd56b | 2841 | scaled_pixel_size = pixel_size = XINT (size); |
55e41770 | 2842 | else if (CONSP (Vface_font_rescale_alist)) |
a35dd56b | 2843 | scaled_pixel_size = pixel_size * font_rescale_ratio (entity); |
c2f5bfd6 | 2844 | |
35027d0c KH |
2845 | val = AREF (entity, FONT_TYPE_INDEX); |
2846 | for (driver_list = f->font_driver_list; | |
2847 | driver_list && ! EQ (driver_list->driver->type, val); | |
2848 | driver_list = driver_list->next); | |
2849 | if (! driver_list) | |
2850 | return Qnil; | |
c2f5bfd6 | 2851 | |
d0cf45b7 JD |
2852 | for (objlist = AREF (entity, FONT_OBJLIST_INDEX); CONSP (objlist); |
2853 | objlist = XCDR (objlist)) | |
2854 | { | |
2855 | Lisp_Object fn = XCAR (objlist); | |
2856 | if (! NILP (AREF (fn, FONT_TYPE_INDEX)) | |
2857 | && XFONT_OBJECT (fn)->pixel_size == pixel_size) | |
2858 | { | |
2859 | if (driver_list->driver->cached_font_ok == NULL | |
2860 | || driver_list->driver->cached_font_ok (f, fn, entity)) | |
2861 | return fn; | |
2862 | } | |
2863 | } | |
2864 | ||
a35dd56b | 2865 | font_object = driver_list->driver->open (f, entity, scaled_pixel_size); |
66f5ced0 YM |
2866 | if (!NILP (font_object)) |
2867 | ASET (font_object, FONT_SIZE_INDEX, make_number (pixel_size)); | |
652b9560 | 2868 | FONT_ADD_LOG ("open", entity, font_object); |
43c0454d | 2869 | if (NILP (font_object)) |
35027d0c KH |
2870 | return Qnil; |
2871 | ASET (entity, FONT_OBJLIST_INDEX, | |
2872 | Fcons (font_object, AREF (entity, FONT_OBJLIST_INDEX))); | |
35027d0c KH |
2873 | num_fonts++; |
2874 | ||
2875 | font = XFONT_OBJECT (font_object); | |
2876 | min_width = (font->min_width ? font->min_width | |
2877 | : font->average_width ? font->average_width | |
2878 | : font->space_width ? font->space_width | |
2879 | : 1); | |
d26424c5 | 2880 | height = (font->height ? font->height : 1); |
819e81df | 2881 | #ifdef HAVE_WINDOW_SYSTEM |
35027d0c KH |
2882 | FRAME_X_DISPLAY_INFO (f)->n_fonts++; |
2883 | if (FRAME_X_DISPLAY_INFO (f)->n_fonts == 1) | |
43c0454d | 2884 | { |
35027d0c | 2885 | FRAME_SMALLEST_CHAR_WIDTH (f) = min_width; |
d26424c5 | 2886 | FRAME_SMALLEST_FONT_HEIGHT (f) = height; |
35027d0c KH |
2887 | fonts_changed_p = 1; |
2888 | } | |
2889 | else | |
2890 | { | |
2891 | if (FRAME_SMALLEST_CHAR_WIDTH (f) > min_width) | |
2892 | FRAME_SMALLEST_CHAR_WIDTH (f) = min_width, fonts_changed_p = 1; | |
d26424c5 KH |
2893 | if (FRAME_SMALLEST_FONT_HEIGHT (f) > height) |
2894 | FRAME_SMALLEST_FONT_HEIGHT (f) = height, fonts_changed_p = 1; | |
43c0454d | 2895 | } |
819e81df | 2896 | #endif |
43c0454d KH |
2897 | |
2898 | return font_object; | |
c2f5bfd6 KH |
2899 | } |
2900 | ||
45eb10fb KH |
2901 | |
2902 | /* Close FONT_OBJECT that is opened on frame F. */ | |
2903 | ||
239f9db9 | 2904 | static void |
971de7fb | 2905 | font_close_object (FRAME_PTR f, Lisp_Object font_object) |
c2f5bfd6 | 2906 | { |
35027d0c | 2907 | struct font *font = XFONT_OBJECT (font_object); |
c2f5bfd6 | 2908 | |
5e634ec9 KH |
2909 | if (NILP (AREF (font_object, FONT_TYPE_INDEX))) |
2910 | /* Already closed. */ | |
2911 | return; | |
652b9560 | 2912 | FONT_ADD_LOG ("close", font_object, Qnil); |
5e634ec9 | 2913 | font->driver->close (f, font); |
819e81df | 2914 | #ifdef HAVE_WINDOW_SYSTEM |
5e634ec9 KH |
2915 | font_assert (FRAME_X_DISPLAY_INFO (f)->n_fonts); |
2916 | FRAME_X_DISPLAY_INFO (f)->n_fonts--; | |
819e81df | 2917 | #endif |
5e634ec9 | 2918 | num_fonts--; |
c2f5bfd6 KH |
2919 | } |
2920 | ||
45eb10fb | 2921 | |
1701724c KH |
2922 | /* Return 1 if FONT on F has a glyph for character C, 0 if not, -1 if |
2923 | FONT is a font-entity and it must be opened to check. */ | |
45eb10fb | 2924 | |
c2f5bfd6 | 2925 | int |
971de7fb | 2926 | font_has_char (FRAME_PTR f, Lisp_Object font, int c) |
c2f5bfd6 | 2927 | { |
1b834a8d | 2928 | struct font *fontp; |
c2f5bfd6 | 2929 | |
1b834a8d KH |
2930 | if (FONT_ENTITY_P (font)) |
2931 | { | |
2932 | Lisp_Object type = AREF (font, FONT_TYPE_INDEX); | |
2933 | struct font_driver_list *driver_list; | |
2934 | ||
2935 | for (driver_list = f->font_driver_list; | |
2936 | driver_list && ! EQ (driver_list->driver->type, type); | |
2937 | driver_list = driver_list->next); | |
2938 | if (! driver_list) | |
2939 | return 0; | |
2940 | if (! driver_list->driver->has_char) | |
2941 | return -1; | |
2942 | return driver_list->driver->has_char (font, c); | |
2943 | } | |
2944 | ||
d0ab1ebe | 2945 | font_assert (FONT_OBJECT_P (font)); |
35027d0c | 2946 | fontp = XFONT_OBJECT (font); |
1b834a8d KH |
2947 | if (fontp->driver->has_char) |
2948 | { | |
35027d0c | 2949 | int result = fontp->driver->has_char (font, c); |
1b834a8d KH |
2950 | |
2951 | if (result >= 0) | |
2952 | return result; | |
2953 | } | |
2954 | return (fontp->driver->encode_char (fontp, c) != FONT_INVALID_CODE); | |
c2f5bfd6 KH |
2955 | } |
2956 | ||
45eb10fb KH |
2957 | |
2958 | /* Return the glyph ID of FONT_OBJECT for character C. */ | |
2959 | ||
2f7c71a1 | 2960 | static unsigned |
971de7fb | 2961 | font_encode_char (Lisp_Object font_object, int c) |
c2f5bfd6 | 2962 | { |
35027d0c | 2963 | struct font *font; |
c2f5bfd6 | 2964 | |
d0ab1ebe | 2965 | font_assert (FONT_OBJECT_P (font_object)); |
35027d0c | 2966 | font = XFONT_OBJECT (font_object); |
c2f5bfd6 KH |
2967 | return font->driver->encode_char (font, c); |
2968 | } | |
2969 | ||
45eb10fb KH |
2970 | |
2971 | /* Return the name of FONT_OBJECT. */ | |
2972 | ||
ef18374f | 2973 | Lisp_Object |
971de7fb | 2974 | font_get_name (Lisp_Object font_object) |
c2f5bfd6 | 2975 | { |
d0ab1ebe | 2976 | font_assert (FONT_OBJECT_P (font_object)); |
35027d0c | 2977 | return AREF (font_object, FONT_NAME_INDEX); |
ef18374f KH |
2978 | } |
2979 | ||
45eb10fb | 2980 | |
05802645 CY |
2981 | /* Create a new font spec from FONT_NAME, and return it. If FONT_NAME |
2982 | could not be parsed by font_parse_name, return Qnil. */ | |
2983 | ||
35027d0c | 2984 | Lisp_Object |
971de7fb | 2985 | font_spec_from_name (Lisp_Object font_name) |
35027d0c | 2986 | { |
05802645 | 2987 | Lisp_Object spec = Ffont_spec (0, NULL); |
35027d0c | 2988 | |
05802645 | 2989 | CHECK_STRING (font_name); |
51b59d79 | 2990 | if (font_parse_name (SSDATA (font_name), spec) == -1) |
05802645 CY |
2991 | return Qnil; |
2992 | font_put_extra (spec, QCname, font_name); | |
42707278 | 2993 | font_put_extra (spec, QCuser_spec, font_name); |
05802645 | 2994 | return spec; |
35027d0c KH |
2995 | } |
2996 | ||
45eb10fb | 2997 | |
35027d0c | 2998 | void |
971de7fb | 2999 | font_clear_prop (Lisp_Object *attrs, enum font_property_index prop) |
35027d0c KH |
3000 | { |
3001 | Lisp_Object font = attrs[LFACE_FONT_INDEX]; | |
45eb10fb | 3002 | |
35027d0c KH |
3003 | if (! FONTP (font)) |
3004 | return; | |
42707278 | 3005 | |
483670b5 KH |
3006 | if (! NILP (Ffont_get (font, QCname))) |
3007 | { | |
92470028 | 3008 | font = copy_font_spec (font); |
483670b5 KH |
3009 | font_put_extra (font, QCname, Qnil); |
3010 | } | |
3011 | ||
35027d0c | 3012 | if (NILP (AREF (font, prop)) |
e234927a CY |
3013 | && prop != FONT_FAMILY_INDEX |
3014 | && prop != FONT_FOUNDRY_INDEX | |
3015 | && prop != FONT_WIDTH_INDEX | |
4007dd1c | 3016 | && prop != FONT_SIZE_INDEX) |
35027d0c | 3017 | return; |
483670b5 | 3018 | if (EQ (font, attrs[LFACE_FONT_INDEX])) |
92470028 | 3019 | font = copy_font_spec (font); |
35027d0c | 3020 | ASET (font, prop, Qnil); |
4007dd1c | 3021 | if (prop == FONT_FAMILY_INDEX || prop == FONT_FOUNDRY_INDEX) |
35027d0c | 3022 | { |
4007dd1c | 3023 | if (prop == FONT_FAMILY_INDEX) |
962e8aa9 CY |
3024 | { |
3025 | ASET (font, FONT_FOUNDRY_INDEX, Qnil); | |
3026 | /* If we are setting the font family, we must also clear | |
3027 | FONT_WIDTH_INDEX to avoid rejecting families that lack | |
3028 | support for some widths. */ | |
3029 | ASET (font, FONT_WIDTH_INDEX, Qnil); | |
3030 | } | |
35027d0c | 3031 | ASET (font, FONT_ADSTYLE_INDEX, Qnil); |
4007dd1c | 3032 | ASET (font, FONT_REGISTRY_INDEX, Qnil); |
35027d0c KH |
3033 | ASET (font, FONT_SIZE_INDEX, Qnil); |
3034 | ASET (font, FONT_DPI_INDEX, Qnil); | |
3035 | ASET (font, FONT_SPACING_INDEX, Qnil); | |
3036 | ASET (font, FONT_AVGWIDTH_INDEX, Qnil); | |
3037 | } | |
3038 | else if (prop == FONT_SIZE_INDEX) | |
3039 | { | |
3040 | ASET (font, FONT_DPI_INDEX, Qnil); | |
3041 | ASET (font, FONT_SPACING_INDEX, Qnil); | |
3042 | ASET (font, FONT_AVGWIDTH_INDEX, Qnil); | |
3043 | } | |
e234927a CY |
3044 | else if (prop == FONT_WIDTH_INDEX) |
3045 | ASET (font, FONT_AVGWIDTH_INDEX, Qnil); | |
35027d0c KH |
3046 | attrs[LFACE_FONT_INDEX] = font; |
3047 | } | |
3048 | ||
56dd2d86 EZ |
3049 | /* Select a font from ENTITIES (list of font-entity vectors) that |
3050 | supports C and is the best match for ATTRS and PIXEL_SIZE. */ | |
988a7ddb KH |
3051 | |
3052 | static Lisp_Object | |
971de7fb | 3053 | font_select_entity (Lisp_Object frame, Lisp_Object entities, Lisp_Object *attrs, int pixel_size, int c) |
988a7ddb KH |
3054 | { |
3055 | Lisp_Object font_entity; | |
3056 | Lisp_Object prefer; | |
988a7ddb KH |
3057 | int result, i; |
3058 | FRAME_PTR f = XFRAME (frame); | |
3059 | ||
72d36834 KH |
3060 | if (NILP (XCDR (entities)) |
3061 | && ASIZE (XCAR (entities)) == 1) | |
988a7ddb | 3062 | { |
72d36834 | 3063 | font_entity = AREF (XCAR (entities), 0); |
988a7ddb KH |
3064 | if (c < 0 |
3065 | || (result = font_has_char (f, font_entity, c)) > 0) | |
3066 | return font_entity; | |
3067 | return Qnil; | |
3068 | } | |
3069 | ||
3070 | /* Sort fonts by properties specified in ATTRS. */ | |
3071 | prefer = scratch_font_prefer; | |
3072 | ||
3073 | for (i = FONT_WEIGHT_INDEX; i <= FONT_SIZE_INDEX; i++) | |
3074 | ASET (prefer, i, Qnil); | |
3075 | if (FONTP (attrs[LFACE_FONT_INDEX])) | |
3076 | { | |
3077 | Lisp_Object face_font = attrs[LFACE_FONT_INDEX]; | |
3078 | ||
3079 | for (i = FONT_WEIGHT_INDEX; i <= FONT_SIZE_INDEX; i++) | |
3080 | ASET (prefer, i, AREF (face_font, i)); | |
3081 | } | |
3082 | if (NILP (AREF (prefer, FONT_WEIGHT_INDEX))) | |
3083 | FONT_SET_STYLE (prefer, FONT_WEIGHT_INDEX, attrs[LFACE_WEIGHT_INDEX]); | |
3084 | if (NILP (AREF (prefer, FONT_SLANT_INDEX))) | |
3085 | FONT_SET_STYLE (prefer, FONT_SLANT_INDEX, attrs[LFACE_SLANT_INDEX]); | |
3086 | if (NILP (AREF (prefer, FONT_WIDTH_INDEX))) | |
3087 | FONT_SET_STYLE (prefer, FONT_WIDTH_INDEX, attrs[LFACE_SWIDTH_INDEX]); | |
3088 | ASET (prefer, FONT_SIZE_INDEX, make_number (pixel_size)); | |
988a7ddb | 3089 | |
2645d15b | 3090 | return font_sort_entities (entities, prefer, frame, c); |
988a7ddb KH |
3091 | } |
3092 | ||
56dd2d86 EZ |
3093 | /* Return a font-entity that satisfies SPEC and is the best match for |
3094 | face's font related attributes in ATTRS. C, if not negative, is a | |
1701724c | 3095 | character that the entity must support. */ |
c2f5bfd6 KH |
3096 | |
3097 | Lisp_Object | |
971de7fb | 3098 | font_find_for_lface (FRAME_PTR f, Lisp_Object *attrs, Lisp_Object spec, int c) |
c2f5bfd6 | 3099 | { |
4007dd1c | 3100 | Lisp_Object work; |
72d36834 | 3101 | Lisp_Object frame, entities, val; |
78834453 | 3102 | Lisp_Object foundry[3], *family, registry[3], adstyle[3]; |
1d1e1245 | 3103 | int pixel_size; |
72d36834 | 3104 | int i, j, k, l; |
d311d28c | 3105 | USE_SAFE_ALLOCA; |
d0a47776 KH |
3106 | |
3107 | registry[0] = AREF (spec, FONT_REGISTRY_INDEX); | |
3108 | if (NILP (registry[0])) | |
3109 | { | |
edfda783 | 3110 | registry[0] = DEFAULT_ENCODING; |
d0a47776 KH |
3111 | registry[1] = Qascii_0; |
3112 | registry[2] = null_vector; | |
3113 | } | |
3114 | else | |
3115 | registry[1] = null_vector; | |
c2f5bfd6 | 3116 | |
4007dd1c | 3117 | if (c >= 0 && ! NILP (AREF (spec, FONT_REGISTRY_INDEX))) |
fe5ddfbc | 3118 | { |
35027d0c | 3119 | struct charset *encoding, *repertory; |
1701724c | 3120 | |
4007dd1c KH |
3121 | if (font_registry_charsets (AREF (spec, FONT_REGISTRY_INDEX), |
3122 | &encoding, &repertory) < 0) | |
35027d0c | 3123 | return Qnil; |
72d36834 KH |
3124 | if (repertory |
3125 | && ENCODE_CHAR (repertory, c) == CHARSET_INVALID_CODE (repertory)) | |
3126 | return Qnil; | |
35027d0c KH |
3127 | else if (c > encoding->max_char) |
3128 | return Qnil; | |
c2f5bfd6 KH |
3129 | } |
3130 | ||
92470028 | 3131 | work = copy_font_spec (spec); |
227f12fa | 3132 | ASET (work, FONT_TYPE_INDEX, AREF (spec, FONT_TYPE_INDEX)); |
35027d0c | 3133 | XSETFRAME (frame, f); |
1d1e1245 | 3134 | pixel_size = font_pixel_size (f, spec); |
dbc05432 | 3135 | if (pixel_size == 0 && INTEGERP (attrs[LFACE_HEIGHT_INDEX])) |
1d1e1245 KH |
3136 | { |
3137 | double pt = XINT (attrs[LFACE_HEIGHT_INDEX]); | |
3138 | ||
3139 | pixel_size = POINT_TO_PIXEL (pt / 10, f->resy); | |
3140 | } | |
4007dd1c KH |
3141 | ASET (work, FONT_SIZE_INDEX, Qnil); |
3142 | foundry[0] = AREF (work, FONT_FOUNDRY_INDEX); | |
3143 | if (! NILP (foundry[0])) | |
3144 | foundry[1] = null_vector; | |
3145 | else if (STRINGP (attrs[LFACE_FOUNDRY_INDEX])) | |
3146 | { | |
071132a9 | 3147 | val = attrs[LFACE_FOUNDRY_INDEX]; |
51b59d79 | 3148 | foundry[0] = font_intern_prop (SSDATA (val), SBYTES (val), 1); |
4007dd1c KH |
3149 | foundry[1] = Qnil; |
3150 | foundry[2] = null_vector; | |
3151 | } | |
3152 | else | |
3153 | foundry[0] = Qnil, foundry[1] = null_vector; | |
3154 | ||
22459668 KH |
3155 | adstyle[0] = AREF (work, FONT_ADSTYLE_INDEX); |
3156 | if (! NILP (adstyle[0])) | |
3157 | adstyle[1] = null_vector; | |
3158 | else if (FONTP (attrs[LFACE_FONT_INDEX])) | |
3159 | { | |
3160 | Lisp_Object face_font = attrs[LFACE_FONT_INDEX]; | |
3161 | ||
3162 | if (! NILP (AREF (face_font, FONT_ADSTYLE_INDEX))) | |
3163 | { | |
3164 | adstyle[0] = AREF (face_font, FONT_ADSTYLE_INDEX); | |
3165 | adstyle[1] = Qnil; | |
3166 | adstyle[2] = null_vector; | |
3167 | } | |
3168 | else | |
3169 | adstyle[0] = Qnil, adstyle[1] = null_vector; | |
3170 | } | |
3171 | else | |
3172 | adstyle[0] = Qnil, adstyle[1] = null_vector; | |
3173 | ||
3174 | ||
4007dd1c KH |
3175 | val = AREF (work, FONT_FAMILY_INDEX); |
3176 | if (NILP (val) && STRINGP (attrs[LFACE_FAMILY_INDEX])) | |
071132a9 KH |
3177 | { |
3178 | val = attrs[LFACE_FAMILY_INDEX]; | |
51b59d79 | 3179 | val = font_intern_prop (SSDATA (val), SBYTES (val), 1); |
071132a9 | 3180 | } |
4007dd1c KH |
3181 | if (NILP (val)) |
3182 | { | |
3183 | family = alloca ((sizeof family[0]) * 2); | |
3184 | family[0] = Qnil; | |
3185 | family[1] = null_vector; /* terminator. */ | |
3186 | } | |
3187 | else | |
3188 | { | |
3189 | Lisp_Object alters | |
b6e64c41 | 3190 | = Fassoc_string (val, Vface_alternative_font_family_alist, Qt); |
4007dd1c KH |
3191 | |
3192 | if (! NILP (alters)) | |
3193 | { | |
d311d28c PE |
3194 | EMACS_INT alterslen = XFASTINT (Flength (alters)); |
3195 | SAFE_ALLOCA_LISP (family, alterslen + 2); | |
4007dd1c KH |
3196 | for (i = 0; CONSP (alters); i++, alters = XCDR (alters)) |
3197 | family[i] = XCAR (alters); | |
3198 | if (NILP (AREF (spec, FONT_FAMILY_INDEX))) | |
3199 | family[i++] = Qnil; | |
3200 | family[i] = null_vector; | |
3201 | } | |
3202 | else | |
3203 | { | |
3204 | family = alloca ((sizeof family[0]) * 3); | |
3205 | i = 0; | |
3206 | family[i++] = val; | |
3207 | if (NILP (AREF (spec, FONT_FAMILY_INDEX))) | |
3208 | family[i++] = Qnil; | |
3209 | family[i] = null_vector; | |
3210 | } | |
3211 | } | |
3212 | ||
d0a47776 | 3213 | for (i = 0; SYMBOLP (family[i]); i++) |
4007dd1c | 3214 | { |
d0a47776 KH |
3215 | ASET (work, FONT_FAMILY_INDEX, family[i]); |
3216 | for (j = 0; SYMBOLP (foundry[j]); j++) | |
4007dd1c | 3217 | { |
d0a47776 KH |
3218 | ASET (work, FONT_FOUNDRY_INDEX, foundry[j]); |
3219 | for (k = 0; SYMBOLP (registry[k]); k++) | |
3220 | { | |
904a2e0e | 3221 | ASET (work, FONT_REGISTRY_INDEX, registry[k]); |
22459668 KH |
3222 | for (l = 0; SYMBOLP (adstyle[l]); l++) |
3223 | { | |
3224 | ASET (work, FONT_ADSTYLE_INDEX, adstyle[l]); | |
3225 | entities = font_list_entities (frame, work); | |
72d36834 | 3226 | if (! NILP (entities)) |
988a7ddb KH |
3227 | { |
3228 | val = font_select_entity (frame, entities, | |
3229 | attrs, pixel_size, c); | |
3230 | if (! NILP (val)) | |
637fa988 | 3231 | return val; |
988a7ddb | 3232 | } |
22459668 | 3233 | } |
d0a47776 | 3234 | } |
4007dd1c | 3235 | } |
4007dd1c | 3236 | } |
d311d28c PE |
3237 | |
3238 | SAFE_FREE (); | |
d0a47776 | 3239 | return Qnil; |
1701724c | 3240 | } |
45eb10fb KH |
3241 | |
3242 | ||
c2f5bfd6 | 3243 | Lisp_Object |
971de7fb | 3244 | font_open_for_lface (FRAME_PTR f, Lisp_Object entity, Lisp_Object *attrs, Lisp_Object spec) |
c2f5bfd6 | 3245 | { |
9331887d | 3246 | int size; |
c2f5bfd6 | 3247 | |
4007dd1c KH |
3248 | if (INTEGERP (AREF (entity, FONT_SIZE_INDEX)) |
3249 | && XINT (AREF (entity, FONT_SIZE_INDEX)) > 0) | |
3250 | size = XINT (AREF (entity, FONT_SIZE_INDEX)); | |
3251 | else if (FONT_SPEC_P (spec) && ! NILP (AREF (spec, FONT_SIZE_INDEX))) | |
1d1e1245 | 3252 | size = font_pixel_size (f, spec); |
733fd013 KH |
3253 | else |
3254 | { | |
50b0cd29 CY |
3255 | double pt; |
3256 | if (INTEGERP (attrs[LFACE_HEIGHT_INDEX])) | |
3257 | pt = XINT (attrs[LFACE_HEIGHT_INDEX]); | |
3258 | else | |
3259 | { | |
3260 | struct face *def = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
3261 | Lisp_Object height = def->lface[LFACE_HEIGHT_INDEX]; | |
3262 | if (INTEGERP (height)) | |
3263 | pt = XINT (height); | |
3264 | else | |
5e617bc2 | 3265 | abort (); /* We should never end up here. */ |
50b0cd29 | 3266 | } |
733fd013 KH |
3267 | |
3268 | pt /= 10; | |
3269 | size = POINT_TO_PIXEL (pt, f->resy); | |
ed96cde8 AR |
3270 | #ifdef HAVE_NS |
3271 | if (size == 0) | |
3272 | { | |
5e617bc2 | 3273 | Lisp_Object ffsize = get_frame_param (f, Qfontsize); |
ed96cde8 AR |
3274 | size = NUMBERP (ffsize) ? POINT_TO_PIXEL (XINT (ffsize), f->resy) : 0; |
3275 | } | |
3276 | #endif | |
733fd013 | 3277 | } |
c2f5bfd6 KH |
3278 | return font_open_entity (f, entity, size); |
3279 | } | |
3280 | ||
45eb10fb | 3281 | |
56dd2d86 EZ |
3282 | /* Find a font that satisfies SPEC and is the best match for |
3283 | face's attributes in ATTRS on FRAME, and return the opened | |
35027d0c | 3284 | font-object. */ |
45eb10fb | 3285 | |
35027d0c | 3286 | Lisp_Object |
971de7fb | 3287 | font_load_for_lface (FRAME_PTR f, Lisp_Object *attrs, Lisp_Object spec) |
c2f5bfd6 | 3288 | { |
637fa988 | 3289 | Lisp_Object entity, name; |
ef18374f | 3290 | |
908567ef | 3291 | entity = font_find_for_lface (f, attrs, spec, -1); |
35027d0c | 3292 | if (NILP (entity)) |
ef18374f | 3293 | { |
35027d0c | 3294 | /* No font is listed for SPEC, but each font-backend may have |
56dd2d86 | 3295 | different criteria about "font matching". So, try it. */ |
35027d0c KH |
3296 | entity = font_matching_entity (f, attrs, spec); |
3297 | if (NILP (entity)) | |
3298 | return Qnil; | |
c2f5bfd6 | 3299 | } |
537b04b9 | 3300 | /* Don't lose the original name that was put in initially. We need |
637fa988 JD |
3301 | it to re-apply the font when font parameters (like hinting or dpi) have |
3302 | changed. */ | |
3303 | entity = font_open_for_lface (f, entity, attrs, spec); | |
8096a0ff YM |
3304 | if (!NILP (entity)) |
3305 | { | |
42707278 JD |
3306 | name = Ffont_get (spec, QCuser_spec); |
3307 | if (STRINGP (name)) font_put_extra (entity, QCuser_spec, name); | |
8096a0ff | 3308 | } |
637fa988 | 3309 | return entity; |
c2f5bfd6 KH |
3310 | } |
3311 | ||
45eb10fb KH |
3312 | |
3313 | /* Make FACE on frame F ready to use the font opened for FACE. */ | |
3314 | ||
c2f5bfd6 | 3315 | void |
971de7fb | 3316 | font_prepare_for_face (FRAME_PTR f, struct face *face) |
c2f5bfd6 | 3317 | { |
35027d0c KH |
3318 | if (face->font->driver->prepare_face) |
3319 | face->font->driver->prepare_face (f, face); | |
c2f5bfd6 KH |
3320 | } |
3321 | ||
45eb10fb KH |
3322 | |
3323 | /* Make FACE on frame F stop using the font opened for FACE. */ | |
3324 | ||
c2f5bfd6 | 3325 | void |
971de7fb | 3326 | font_done_for_face (FRAME_PTR f, struct face *face) |
c2f5bfd6 | 3327 | { |
35027d0c KH |
3328 | if (face->font->driver->done_face) |
3329 | face->font->driver->done_face (f, face); | |
c2f5bfd6 KH |
3330 | face->extra = NULL; |
3331 | } | |
3332 | ||
45eb10fb | 3333 | |
56dd2d86 | 3334 | /* Open a font that is a match for font-spec SPEC on frame F. If no proper |
c50b7e98 | 3335 | font is found, return Qnil. */ |
45eb10fb | 3336 | |
c2f5bfd6 | 3337 | Lisp_Object |
971de7fb | 3338 | font_open_by_spec (FRAME_PTR f, Lisp_Object spec) |
c2f5bfd6 | 3339 | { |
c50b7e98 | 3340 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; |
a9262bb8 | 3341 | |
4007dd1c KH |
3342 | /* We set up the default font-related attributes of a face to prefer |
3343 | a moderate font. */ | |
3344 | attrs[LFACE_FAMILY_INDEX] = attrs[LFACE_FOUNDRY_INDEX] = Qnil; | |
3345 | attrs[LFACE_SWIDTH_INDEX] = attrs[LFACE_WEIGHT_INDEX] | |
3346 | = attrs[LFACE_SLANT_INDEX] = Qnormal; | |
ed96cde8 | 3347 | #ifndef HAVE_NS |
4007dd1c | 3348 | attrs[LFACE_HEIGHT_INDEX] = make_number (120); |
ed96cde8 AR |
3349 | #else |
3350 | attrs[LFACE_HEIGHT_INDEX] = make_number (0); | |
3351 | #endif | |
4007dd1c KH |
3352 | attrs[LFACE_FONT_INDEX] = Qnil; |
3353 | ||
3354 | return font_load_for_lface (f, attrs, spec); | |
c2f5bfd6 KH |
3355 | } |
3356 | ||
3357 | ||
56dd2d86 | 3358 | /* Open a font that matches NAME on frame F. If no proper font is |
c50b7e98 KH |
3359 | found, return Qnil. */ |
3360 | ||
3361 | Lisp_Object | |
42ca4633 | 3362 | font_open_by_name (FRAME_PTR f, const char *name) |
c50b7e98 KH |
3363 | { |
3364 | Lisp_Object args[2]; | |
581e51e8 | 3365 | Lisp_Object spec, ret; |
c50b7e98 KH |
3366 | |
3367 | args[0] = QCname; | |
3368 | args[1] = make_unibyte_string (name, strlen (name)); | |
3369 | spec = Ffont_spec (2, args); | |
581e51e8 | 3370 | ret = font_open_by_spec (f, spec); |
537b04b9 | 3371 | /* Do not lose name originally put in. */ |
8096a0ff | 3372 | if (!NILP (ret)) |
42707278 | 3373 | font_put_extra (ret, QCuser_spec, args[1]); |
581e51e8 JD |
3374 | |
3375 | return ret; | |
c50b7e98 KH |
3376 | } |
3377 | ||
3378 | ||
c2f5bfd6 KH |
3379 | /* Register font-driver DRIVER. This function is used in two ways. |
3380 | ||
417a1b10 | 3381 | The first is with frame F non-NULL. In this case, make DRIVER |
56dd2d86 | 3382 | available (but not yet activated) on F. All frame creators |
417a1b10 KH |
3383 | (e.g. Fx_create_frame) must call this function at least once with |
3384 | an available font-driver. | |
c2f5bfd6 KH |
3385 | |
3386 | The second is with frame F NULL. In this case, DRIVER is globally | |
3387 | registered in the variable `font_driver_list'. All font-driver | |
3388 | implementations must call this function in its syms_of_XXXX | |
3389 | (e.g. syms_of_xfont). */ | |
3390 | ||
3391 | void | |
971de7fb | 3392 | register_font_driver (struct font_driver *driver, FRAME_PTR f) |
c2f5bfd6 KH |
3393 | { |
3394 | struct font_driver_list *root = f ? f->font_driver_list : font_driver_list; | |
3395 | struct font_driver_list *prev, *list; | |
3396 | ||
3397 | if (f && ! driver->draw) | |
43a1d19b | 3398 | error ("Unusable font driver for a frame: %s", |
c2f5bfd6 KH |
3399 | SDATA (SYMBOL_NAME (driver->type))); |
3400 | ||
3401 | for (prev = NULL, list = root; list; prev = list, list = list->next) | |
cf23b845 | 3402 | if (EQ (list->driver->type, driver->type)) |
c2f5bfd6 KH |
3403 | error ("Duplicated font driver: %s", SDATA (SYMBOL_NAME (driver->type))); |
3404 | ||
38182d90 | 3405 | list = xmalloc (sizeof *list); |
417a1b10 | 3406 | list->on = 0; |
c2f5bfd6 KH |
3407 | list->driver = driver; |
3408 | list->next = NULL; | |
3409 | if (prev) | |
3410 | prev->next = list; | |
3411 | else if (f) | |
3412 | f->font_driver_list = list; | |
3413 | else | |
3414 | font_driver_list = list; | |
72606e45 KH |
3415 | if (! f) |
3416 | num_font_drivers++; | |
c2f5bfd6 KH |
3417 | } |
3418 | ||
2ed98482 | 3419 | void |
971de7fb | 3420 | free_font_driver_list (FRAME_PTR f) |
2ed98482 CY |
3421 | { |
3422 | struct font_driver_list *list, *next; | |
3423 | ||
3424 | for (list = f->font_driver_list; list; list = next) | |
3425 | { | |
3426 | next = list->next; | |
3427 | xfree (list); | |
3428 | } | |
3429 | f->font_driver_list = NULL; | |
3430 | } | |
3431 | ||
45eb10fb | 3432 | |
f697fff0 | 3433 | /* Make the frame F use font backends listed in NEW_DRIVERS (list of |
ca4da08a KH |
3434 | symbols, e.g. xft, x). If NEW_DRIVERS is t, make F use all |
3435 | available font drivers. If NEW_DRIVERS is nil, finalize all drivers. | |
417a1b10 | 3436 | |
ca4da08a KH |
3437 | A caller must free all realized faces if any in advance. The |
3438 | return value is a list of font backends actually made used on | |
3439 | F. */ | |
e950d6f1 KH |
3440 | |
3441 | Lisp_Object | |
971de7fb | 3442 | font_update_drivers (FRAME_PTR f, Lisp_Object new_drivers) |
417a1b10 KH |
3443 | { |
3444 | Lisp_Object active_drivers = Qnil; | |
417a1b10 KH |
3445 | struct font_driver_list *list; |
3446 | ||
4007dd1c KH |
3447 | /* At first, turn off non-requested drivers, and turn on requested |
3448 | drivers. */ | |
f697fff0 | 3449 | for (list = f->font_driver_list; list; list = list->next) |
4007dd1c | 3450 | { |
13a547c6 | 3451 | struct font_driver *driver = list->driver; |
4007dd1c KH |
3452 | if ((EQ (new_drivers, Qt) || ! NILP (Fmemq (driver->type, new_drivers))) |
3453 | != list->on) | |
3454 | { | |
3455 | if (list->on) | |
3456 | { | |
3457 | if (driver->end_for_frame) | |
3458 | driver->end_for_frame (f); | |
3459 | font_finish_cache (f, driver); | |
3460 | list->on = 0; | |
3461 | } | |
3462 | else | |
3463 | { | |
3464 | if (! driver->start_for_frame | |
3465 | || driver->start_for_frame (f) == 0) | |
3466 | { | |
3467 | font_prepare_cache (f, driver); | |
3468 | list->on = 1; | |
3469 | } | |
3470 | } | |
3471 | } | |
3472 | } | |
3473 | ||
3474 | if (NILP (new_drivers)) | |
3475 | return Qnil; | |
3476 | ||
3477 | if (! EQ (new_drivers, Qt)) | |
3478 | { | |
3479 | /* Re-order the driver list according to new_drivers. */ | |
3306c6dc | 3480 | struct font_driver_list **list_table, **next; |
4007dd1c KH |
3481 | Lisp_Object tail; |
3482 | int i; | |
3483 | ||
3484 | list_table = alloca (sizeof list_table[0] * (num_font_drivers + 1)); | |
3485 | for (i = 0, tail = new_drivers; ! NILP (tail); tail = XCDR (tail)) | |
3486 | { | |
3487 | for (list = f->font_driver_list; list; list = list->next) | |
3488 | if (list->on && EQ (list->driver->type, XCAR (tail))) | |
3489 | break; | |
3490 | if (list) | |
3491 | list_table[i++] = list; | |
3492 | } | |
3493 | for (list = f->font_driver_list; list; list = list->next) | |
3494 | if (! list->on) | |
6136b72f | 3495 | list_table[i++] = list; |
4007dd1c KH |
3496 | list_table[i] = NULL; |
3497 | ||
3306c6dc | 3498 | next = &f->font_driver_list; |
4007dd1c KH |
3499 | for (i = 0; list_table[i]; i++) |
3500 | { | |
3306c6dc AS |
3501 | *next = list_table[i]; |
3502 | next = &(*next)->next; | |
4007dd1c | 3503 | } |
3306c6dc | 3504 | *next = NULL; |
ba98e3a0 SM |
3505 | |
3506 | if (! f->font_driver_list->on) | |
3507 | { /* None of the drivers is enabled: enable them all. | |
3508 | Happens if you set the list of drivers to (xft x) in your .emacs | |
3509 | and then use it under w32 or ns. */ | |
3510 | for (list = f->font_driver_list; list; list = list->next) | |
3511 | { | |
3512 | struct font_driver *driver = list->driver; | |
3513 | eassert (! list->on); | |
3514 | if (! driver->start_for_frame | |
3515 | || driver->start_for_frame (f) == 0) | |
3516 | { | |
3517 | font_prepare_cache (f, driver); | |
3518 | list->on = 1; | |
3519 | } | |
3520 | } | |
3521 | } | |
4007dd1c | 3522 | } |
417a1b10 | 3523 | |
4007dd1c KH |
3524 | for (list = f->font_driver_list; list; list = list->next) |
3525 | if (list->on) | |
3526 | active_drivers = nconc2 (active_drivers, | |
3527 | Fcons (list->driver->type, Qnil)); | |
e950d6f1 | 3528 | return active_drivers; |
417a1b10 KH |
3529 | } |
3530 | ||
f697fff0 | 3531 | int |
971de7fb | 3532 | font_put_frame_data (FRAME_PTR f, struct font_driver *driver, void *data) |
f697fff0 KH |
3533 | { |
3534 | struct font_data_list *list, *prev; | |
3535 | ||
3536 | for (prev = NULL, list = f->font_data_list; list; | |
3537 | prev = list, list = list->next) | |
3538 | if (list->driver == driver) | |
3539 | break; | |
3540 | if (! data) | |
3541 | { | |
3542 | if (list) | |
3543 | { | |
3544 | if (prev) | |
3545 | prev->next = list->next; | |
3546 | else | |
3547 | f->font_data_list = list->next; | |
973e7849 | 3548 | xfree (list); |
f697fff0 KH |
3549 | } |
3550 | return 0; | |
3551 | } | |
3552 | ||
3553 | if (! list) | |
3554 | { | |
38182d90 | 3555 | list = xmalloc (sizeof *list); |
f697fff0 KH |
3556 | list->driver = driver; |
3557 | list->next = f->font_data_list; | |
3558 | f->font_data_list = list; | |
3559 | } | |
3560 | list->data = data; | |
3561 | return 0; | |
3562 | } | |
3563 | ||
3564 | ||
3565 | void * | |
971de7fb | 3566 | font_get_frame_data (FRAME_PTR f, struct font_driver *driver) |
f697fff0 KH |
3567 | { |
3568 | struct font_data_list *list; | |
3569 | ||
3570 | for (list = f->font_data_list; list; list = list->next) | |
3571 | if (list->driver == driver) | |
3572 | break; | |
3573 | if (! list) | |
3574 | return NULL; | |
3575 | return list->data; | |
3576 | } | |
3577 | ||
417a1b10 | 3578 | |
9fa82824 DP |
3579 | /* Sets attributes on a font. Any properties that appear in ALIST and |
3580 | BOOLEAN_PROPERTIES or NON_BOOLEAN_PROPERTIES are set on the font. | |
3581 | BOOLEAN_PROPERTIES and NON_BOOLEAN_PROPERTIES are NULL-terminated | |
3582 | arrays of strings. This function is intended for use by the font | |
3583 | drivers to implement their specific font_filter_properties. */ | |
3584 | void | |
220d91b8 JB |
3585 | font_filter_properties (Lisp_Object font, |
3586 | Lisp_Object alist, | |
3106121c YM |
3587 | const char *const boolean_properties[], |
3588 | const char *const non_boolean_properties[]) | |
9fa82824 DP |
3589 | { |
3590 | Lisp_Object it; | |
3591 | int i; | |
3592 | ||
3593 | /* Set boolean values to Qt or Qnil */ | |
3594 | for (i = 0; boolean_properties[i] != NULL; ++i) | |
3595 | for (it = alist; ! NILP (it); it = XCDR (it)) | |
3596 | { | |
3597 | Lisp_Object key = XCAR (XCAR (it)); | |
3598 | Lisp_Object val = XCDR (XCAR (it)); | |
42a5b22f | 3599 | char *keystr = SSDATA (SYMBOL_NAME (key)); |
9fa82824 DP |
3600 | |
3601 | if (strcmp (boolean_properties[i], keystr) == 0) | |
3602 | { | |
3603 | const char *str = INTEGERP (val) ? (XINT (val) ? "true" : "false") | |
51b59d79 | 3604 | : SYMBOLP (val) ? SSDATA (SYMBOL_NAME (val)) |
9fa82824 DP |
3605 | : "true"; |
3606 | ||
3607 | if (strcmp ("false", str) == 0 || strcmp ("False", str) == 0 | |
3608 | || strcmp ("FALSE", str) == 0 || strcmp ("FcFalse", str) == 0 | |
3609 | || strcmp ("off", str) == 0 || strcmp ("OFF", str) == 0 | |
3610 | || strcmp ("Off", str) == 0) | |
3611 | val = Qnil; | |
3612 | else | |
3613 | val = Qt; | |
3614 | ||
3615 | Ffont_put (font, key, val); | |
3616 | } | |
3617 | } | |
3618 | ||
3619 | for (i = 0; non_boolean_properties[i] != NULL; ++i) | |
3620 | for (it = alist; ! NILP (it); it = XCDR (it)) | |
3621 | { | |
3622 | Lisp_Object key = XCAR (XCAR (it)); | |
3623 | Lisp_Object val = XCDR (XCAR (it)); | |
42a5b22f | 3624 | char *keystr = SSDATA (SYMBOL_NAME (key)); |
9fa82824 DP |
3625 | if (strcmp (non_boolean_properties[i], keystr) == 0) |
3626 | Ffont_put (font, key, val); | |
3627 | } | |
3628 | } | |
3629 | ||
3630 | ||
45eb10fb | 3631 | /* Return the font used to draw character C by FACE at buffer position |
e3ee0340 KH |
3632 | POS in window W. If STRING is non-nil, it is a string containing C |
3633 | at index POS. If C is negative, get C from the current buffer or | |
3634 | STRING. */ | |
45eb10fb | 3635 | |
2f7c71a1 | 3636 | static Lisp_Object |
d311d28c | 3637 | font_at (int c, ptrdiff_t pos, struct face *face, struct window *w, |
2f7c71a1 | 3638 | Lisp_Object string) |
10d16101 KH |
3639 | { |
3640 | FRAME_PTR f; | |
e3ee0340 | 3641 | int multibyte; |
35027d0c | 3642 | Lisp_Object font_object; |
e3ee0340 | 3643 | |
e500c47d | 3644 | multibyte = (NILP (string) |
4b4deea2 | 3645 | ? ! NILP (BVAR (current_buffer, enable_multibyte_characters)) |
e500c47d | 3646 | : STRING_MULTIBYTE (string)); |
e3ee0340 KH |
3647 | if (c < 0) |
3648 | { | |
3649 | if (NILP (string)) | |
3650 | { | |
e3ee0340 KH |
3651 | if (multibyte) |
3652 | { | |
d311d28c | 3653 | ptrdiff_t pos_byte = CHAR_TO_BYTE (pos); |
e3ee0340 KH |
3654 | |
3655 | c = FETCH_CHAR (pos_byte); | |
3656 | } | |
3657 | else | |
3658 | c = FETCH_BYTE (pos); | |
3659 | } | |
3660 | else | |
3661 | { | |
3662 | unsigned char *str; | |
3663 | ||
3664 | multibyte = STRING_MULTIBYTE (string); | |
3665 | if (multibyte) | |
3666 | { | |
d311d28c | 3667 | ptrdiff_t pos_byte = string_char_to_byte (string, pos); |
e3ee0340 KH |
3668 | |
3669 | str = SDATA (string) + pos_byte; | |
62a6e103 | 3670 | c = STRING_CHAR (str); |
e3ee0340 KH |
3671 | } |
3672 | else | |
3673 | c = SDATA (string)[pos]; | |
3674 | } | |
3675 | } | |
10d16101 KH |
3676 | |
3677 | f = XFRAME (w->frame); | |
1385a806 KH |
3678 | if (! FRAME_WINDOW_P (f)) |
3679 | return Qnil; | |
10d16101 KH |
3680 | if (! face) |
3681 | { | |
e3ee0340 | 3682 | int face_id; |
d311d28c | 3683 | ptrdiff_t endptr; |
e3ee0340 KH |
3684 | |
3685 | if (STRINGP (string)) | |
3686 | face_id = face_at_string_position (w, string, pos, 0, -1, -1, &endptr, | |
10d16101 KH |
3687 | DEFAULT_FACE_ID, 0); |
3688 | else | |
e3ee0340 | 3689 | face_id = face_at_buffer_position (w, pos, -1, -1, &endptr, |
6970f632 | 3690 | pos + 100, 0, -1); |
10d16101 KH |
3691 | face = FACE_FROM_ID (f, face_id); |
3692 | } | |
e3ee0340 KH |
3693 | if (multibyte) |
3694 | { | |
3695 | int face_id = FACE_FOR_CHAR (f, face, c, pos, string); | |
3696 | face = FACE_FROM_ID (f, face_id); | |
3697 | } | |
35027d0c | 3698 | if (! face->font) |
10d16101 | 3699 | return Qnil; |
35027d0c | 3700 | |
35027d0c KH |
3701 | XSETFONT (font_object, face->font); |
3702 | return font_object; | |
3703 | } | |
3704 | ||
3705 | ||
071132a9 KH |
3706 | #ifdef HAVE_WINDOW_SYSTEM |
3707 | ||
3708 | /* Check how many characters after POS (at most to *LIMIT) can be | |
56dd2d86 | 3709 | displayed by the same font in the window W. FACE, if non-NULL, is |
071132a9 KH |
3710 | the face selected for the character at POS. If STRING is not nil, |
3711 | it is the string to check instead of the current buffer. In that | |
3712 | case, FACE must be not NULL. | |
027a33c0 | 3713 | |
071132a9 KH |
3714 | The return value is the font-object for the character at POS. |
3715 | *LIMIT is set to the position where that font can't be used. | |
35027d0c | 3716 | |
071132a9 KH |
3717 | It is assured that the current buffer (or STRING) is multibyte. */ |
3718 | ||
3719 | Lisp_Object | |
d311d28c | 3720 | font_range (ptrdiff_t pos, ptrdiff_t *limit, struct window *w, struct face *face, Lisp_Object string) |
35027d0c | 3721 | { |
d311d28c | 3722 | ptrdiff_t pos_byte, ignore; |
35027d0c | 3723 | int c; |
071132a9 | 3724 | Lisp_Object font_object = Qnil; |
35027d0c KH |
3725 | |
3726 | if (NILP (string)) | |
3727 | { | |
35027d0c | 3728 | pos_byte = CHAR_TO_BYTE (pos); |
071132a9 KH |
3729 | if (! face) |
3730 | { | |
3731 | int face_id; | |
3732 | ||
6970f632 CY |
3733 | face_id = face_at_buffer_position (w, pos, 0, 0, &ignore, |
3734 | *limit, 0, -1); | |
071132a9 KH |
3735 | face = FACE_FROM_ID (XFRAME (w->frame), face_id); |
3736 | } | |
35027d0c KH |
3737 | } |
3738 | else | |
3739 | { | |
071132a9 | 3740 | font_assert (face); |
35027d0c KH |
3741 | pos_byte = string_char_to_byte (string, pos); |
3742 | } | |
3743 | ||
071132a9 | 3744 | while (pos < *limit) |
35027d0c | 3745 | { |
071132a9 | 3746 | Lisp_Object category; |
35027d0c KH |
3747 | |
3748 | if (NILP (string)) | |
3749 | FETCH_CHAR_ADVANCE_NO_CHECK (c, pos, pos_byte); | |
3750 | else | |
3751 | FETCH_STRING_CHAR_ADVANCE_NO_CHECK (c, string, pos, pos_byte); | |
0e5d7800 | 3752 | category = CHAR_TABLE_REF (Vunicode_category_table, c); |
c805dec0 KH |
3753 | if (INTEGERP (category) |
3754 | && (XINT (category) == UNICODE_CATEGORY_Cf | |
3755 | || CHAR_VARIATION_SELECTOR_P (c))) | |
0e5d7800 | 3756 | continue; |
071132a9 | 3757 | if (NILP (font_object)) |
35027d0c | 3758 | { |
071132a9 KH |
3759 | font_object = font_for_char (face, c, pos - 1, string); |
3760 | if (NILP (font_object)) | |
3761 | return Qnil; | |
35027d0c KH |
3762 | continue; |
3763 | } | |
0e5d7800 KH |
3764 | if (font_encode_char (font_object, c) == FONT_INVALID_CODE) |
3765 | *limit = pos - 1; | |
35027d0c | 3766 | } |
071132a9 | 3767 | return font_object; |
10d16101 | 3768 | } |
071132a9 | 3769 | #endif |
10d16101 | 3770 | |
c2f5bfd6 KH |
3771 | \f |
3772 | /* Lisp API */ | |
3773 | ||
35027d0c | 3774 | DEFUN ("fontp", Ffontp, Sfontp, 1, 2, 0, |
6c8ec042 | 3775 | doc: /* Return t if OBJECT is a font-spec, font-entity, or font-object. |
35027d0c KH |
3776 | Return nil otherwise. |
3777 | Optional 2nd argument EXTRA-TYPE, if non-nil, specifies to check | |
027a33c0 | 3778 | which kind of font it is. It must be one of `font-spec', `font-entity', |
35027d0c | 3779 | `font-object'. */) |
5842a27b | 3780 | (Lisp_Object object, Lisp_Object extra_type) |
c2f5bfd6 | 3781 | { |
35027d0c KH |
3782 | if (NILP (extra_type)) |
3783 | return (FONTP (object) ? Qt : Qnil); | |
3784 | if (EQ (extra_type, Qfont_spec)) | |
3785 | return (FONT_SPEC_P (object) ? Qt : Qnil); | |
3786 | if (EQ (extra_type, Qfont_entity)) | |
3787 | return (FONT_ENTITY_P (object) ? Qt : Qnil); | |
3788 | if (EQ (extra_type, Qfont_object)) | |
3789 | return (FONT_OBJECT_P (object) ? Qt : Qnil); | |
3790 | wrong_type_argument (intern ("font-extra-type"), extra_type); | |
c2f5bfd6 KH |
3791 | } |
3792 | ||
a7ca3326 | 3793 | DEFUN ("font-spec", Ffont_spec, Sfont_spec, 0, MANY, 0, |
45eb10fb KH |
3794 | doc: /* Return a newly created font-spec with arguments as properties. |
3795 | ||
3796 | ARGS must come in pairs KEY VALUE of font properties. KEY must be a | |
3797 | valid font property name listed below: | |
3798 | ||
3799 | `:family', `:weight', `:slant', `:width' | |
3800 | ||
3801 | They are the same as face attributes of the same name. See | |
51c01100 | 3802 | `set-face-attribute'. |
45eb10fb KH |
3803 | |
3804 | `:foundry' | |
3805 | ||
3806 | VALUE must be a string or a symbol specifying the font foundry, e.g. ``misc''. | |
3807 | ||
3808 | `:adstyle' | |
3809 | ||
3810 | VALUE must be a string or a symbol specifying the additional | |
35027d0c | 3811 | typographic style information of a font, e.g. ``sans''. |
45eb10fb KH |
3812 | |
3813 | `:registry' | |
3814 | ||
3815 | VALUE must be a string or a symbol specifying the charset registry and | |
3816 | encoding of a font, e.g. ``iso8859-1''. | |
3817 | ||
3818 | `:size' | |
3819 | ||
3820 | VALUE must be a non-negative integer or a floating point number | |
c423ecca KH |
3821 | specifying the font size. It specifies the font size in pixels (if |
3822 | VALUE is an integer), or in points (if VALUE is a float). | |
2babb359 KH |
3823 | |
3824 | `:name' | |
3825 | ||
7a18a178 | 3826 | VALUE must be a string of XLFD-style or fontconfig-style font name. |
5bdd4dd2 KH |
3827 | |
3828 | `:script' | |
3829 | ||
3830 | VALUE must be a symbol representing a script that the font must | |
209f39ac KH |
3831 | support. It may be a symbol representing a subgroup of a script |
3832 | listed in the variable `script-representative-chars'. | |
c423ecca KH |
3833 | |
3834 | `:lang' | |
3835 | ||
3836 | VALUE must be a symbol of two-letter ISO-639 language names, | |
3837 | e.g. `ja'. | |
3838 | ||
3839 | `:otf' | |
3840 | ||
3841 | VALUE must be a list (SCRIPT-TAG LANGSYS-TAG GSUB [ GPOS ]) to specify | |
3842 | required OpenType features. | |
3843 | ||
3844 | SCRIPT-TAG: OpenType script tag symbol (e.g. `deva'). | |
3845 | LANGSYS-TAG: OpenType language system tag symbol, | |
3846 | or nil for the default language system. | |
3847 | GSUB: List of OpenType GSUB feature tag symbols, or nil if none required. | |
3848 | GPOS: List of OpenType GPOS feature tag symbols, or nil if none required. | |
3849 | ||
3850 | GSUB and GPOS may contain `nil' element. In such a case, the font | |
3851 | must not have any of the remaining elements. | |
3852 | ||
3853 | For instance, if the VALUE is `(thai nil nil (mark))', the font must | |
56dd2d86 | 3854 | be an OpenType font whose GPOS table of `thai' script's default |
c423ecca KH |
3855 | language system must contain `mark' feature. |
3856 | ||
ba3de0e8 | 3857 | usage: (font-spec ARGS...) */) |
f66c7cf8 | 3858 | (ptrdiff_t nargs, Lisp_Object *args) |
c2f5bfd6 | 3859 | { |
35027d0c | 3860 | Lisp_Object spec = font_make_spec (); |
f66c7cf8 | 3861 | ptrdiff_t i; |
c2f5bfd6 KH |
3862 | |
3863 | for (i = 0; i < nargs; i += 2) | |
3864 | { | |
cccd42d5 KH |
3865 | Lisp_Object key = args[i], val; |
3866 | ||
3867 | CHECK_SYMBOL (key); | |
3868 | if (i + 1 >= nargs) | |
3869 | error ("No value for key `%s'", SDATA (SYMBOL_NAME (key))); | |
3870 | val = args[i + 1]; | |
c2f5bfd6 | 3871 | |
35027d0c KH |
3872 | if (EQ (key, QCname)) |
3873 | { | |
3874 | CHECK_STRING (val); | |
51b59d79 | 3875 | font_parse_name (SSDATA (val), spec); |
35027d0c KH |
3876 | font_put_extra (spec, key, val); |
3877 | } | |
c2f5bfd6 | 3878 | else |
4485a28e | 3879 | { |
35027d0c KH |
3880 | int idx = get_font_prop_index (key); |
3881 | ||
3882 | if (idx >= 0) | |
ec6fe57c | 3883 | { |
35027d0c KH |
3884 | val = font_prop_validate (idx, Qnil, val); |
3885 | if (idx < FONT_EXTRA_INDEX) | |
3886 | ASET (spec, idx, val); | |
3887 | else | |
3888 | font_put_extra (spec, key, val); | |
ec6fe57c | 3889 | } |
35027d0c KH |
3890 | else |
3891 | font_put_extra (spec, key, font_prop_validate (0, key, val)); | |
4485a28e | 3892 | } |
e950d6f1 | 3893 | } |
c2f5bfd6 KH |
3894 | return spec; |
3895 | } | |
3896 | ||
92470028 PE |
3897 | /* Return a copy of FONT as a font-spec. */ |
3898 | Lisp_Object | |
3899 | copy_font_spec (Lisp_Object font) | |
35027d0c | 3900 | { |
d26424c5 | 3901 | Lisp_Object new_spec, tail, prev, extra; |
35027d0c KH |
3902 | int i; |
3903 | ||
3904 | CHECK_FONT (font); | |
3905 | new_spec = font_make_spec (); | |
3906 | for (i = 1; i < FONT_EXTRA_INDEX; i++) | |
3907 | ASET (new_spec, i, AREF (font, i)); | |
581e51e8 | 3908 | extra = Fcopy_alist (AREF (font, FONT_EXTRA_INDEX)); |
d26424c5 KH |
3909 | /* We must remove :font-entity property. */ |
3910 | for (prev = Qnil, tail = extra; CONSP (tail); prev = tail, tail = XCDR (tail)) | |
3911 | if (EQ (XCAR (XCAR (tail)), QCfont_entity)) | |
3912 | { | |
3913 | if (NILP (prev)) | |
3914 | extra = XCDR (extra); | |
3915 | else | |
3916 | XSETCDR (prev, XCDR (tail)); | |
3917 | break; | |
3918 | } | |
35027d0c KH |
3919 | ASET (new_spec, FONT_EXTRA_INDEX, extra); |
3920 | return new_spec; | |
3921 | } | |
3922 | ||
92470028 PE |
3923 | /* Merge font-specs FROM and TO, and return a new font-spec. |
3924 | Every specified property in FROM overrides the corresponding | |
3925 | property in TO. */ | |
3926 | Lisp_Object | |
3927 | merge_font_spec (Lisp_Object from, Lisp_Object to) | |
35027d0c KH |
3928 | { |
3929 | Lisp_Object extra, tail; | |
3930 | int i; | |
3931 | ||
3932 | CHECK_FONT (from); | |
3933 | CHECK_FONT (to); | |
92470028 | 3934 | to = copy_font_spec (to); |
35027d0c KH |
3935 | for (i = 0; i < FONT_EXTRA_INDEX; i++) |
3936 | ASET (to, i, AREF (from, i)); | |
3937 | extra = AREF (to, FONT_EXTRA_INDEX); | |
3938 | for (tail = AREF (from, FONT_EXTRA_INDEX); CONSP (tail); tail = XCDR (tail)) | |
3939 | if (! EQ (XCAR (XCAR (tail)), Qfont_entity)) | |
3940 | { | |
3941 | Lisp_Object slot = assq_no_quit (XCAR (XCAR (tail)), extra); | |
3942 | ||
3943 | if (! NILP (slot)) | |
3944 | XSETCDR (slot, XCDR (XCAR (tail))); | |
3945 | else | |
3946 | extra = Fcons (Fcons (XCAR (XCAR (tail)), XCDR (XCAR (tail))), extra); | |
3947 | } | |
3948 | ASET (to, FONT_EXTRA_INDEX, extra); | |
3949 | return to; | |
3950 | } | |
c2f5bfd6 | 3951 | |
a7ca3326 | 3952 | DEFUN ("font-get", Ffont_get, Sfont_get, 2, 2, 0, |
45eb10fb | 3953 | doc: /* Return the value of FONT's property KEY. |
5bdd4dd2 | 3954 | FONT is a font-spec, a font-entity, or a font-object. |
a7840ffb | 3955 | KEY is any symbol, but these are reserved for specific meanings: |
5bdd4dd2 | 3956 | :family, :weight, :slant, :width, :foundry, :adstyle, :registry, |
a7840ffb | 3957 | :size, :name, :script, :otf |
5bdd4dd2 | 3958 | See the documentation of `font-spec' for their meanings. |
a7840ffb KH |
3959 | In addition, if FONT is a font-entity or a font-object, values of |
3960 | :script and :otf are different from those of a font-spec as below: | |
3961 | ||
3962 | The value of :script may be a list of scripts that are supported by the font. | |
3963 | ||
3964 | The value of :otf is a cons (GSUB . GPOS) where GSUB and GPOS are lists | |
3965 | representing the OpenType features supported by the font by this form: | |
3966 | ((SCRIPT (LANGSYS FEATURE ...) ...) ...) | |
3967 | SCRIPT, LANGSYS, and FEATURE are all symbols representing OpenType | |
3968 | Layout tags. */) | |
5842a27b | 3969 | (Lisp_Object font, Lisp_Object key) |
c2f5bfd6 | 3970 | { |
35027d0c | 3971 | int idx; |
a7840ffb | 3972 | Lisp_Object val; |
c2f5bfd6 | 3973 | |
35027d0c KH |
3974 | CHECK_FONT (font); |
3975 | CHECK_SYMBOL (key); | |
e80e09b4 | 3976 | |
35027d0c | 3977 | idx = get_font_prop_index (key); |
2babb359 KH |
3978 | if (idx >= FONT_WEIGHT_INDEX && idx <= FONT_WIDTH_INDEX) |
3979 | return font_style_symbolic (font, idx, 0); | |
35027d0c | 3980 | if (idx >= 0 && idx < FONT_EXTRA_INDEX) |
c2f5bfd6 | 3981 | return AREF (font, idx); |
a7840ffb KH |
3982 | val = Fassq (key, AREF (font, FONT_EXTRA_INDEX)); |
3983 | if (NILP (val) && EQ (key, QCotf) && FONT_OBJECT_P (font)) | |
3984 | { | |
3985 | struct font *fontp = XFONT_OBJECT (font); | |
a7840ffb | 3986 | |
f6c1c771 KH |
3987 | if (fontp->driver->otf_capability) |
3988 | val = fontp->driver->otf_capability (fontp); | |
a7840ffb | 3989 | else |
f6c1c771 | 3990 | val = Fcons (Qnil, Qnil); |
a7840ffb KH |
3991 | } |
3992 | else | |
3993 | val = Fcdr (val); | |
3994 | return val; | |
c2f5bfd6 KH |
3995 | } |
3996 | ||
51cf11be AS |
3997 | #ifdef HAVE_WINDOW_SYSTEM |
3998 | ||
b1868a1a CY |
3999 | DEFUN ("font-face-attributes", Ffont_face_attributes, Sfont_face_attributes, 1, 2, 0, |
4000 | doc: /* Return a plist of face attributes generated by FONT. | |
4001 | FONT is a font name, a font-spec, a font-entity, or a font-object. | |
4002 | The return value is a list of the form | |
4003 | ||
6f568955 | 4004 | \(:family FAMILY :height HEIGHT :weight WEIGHT :slant SLANT :width WIDTH) |
b1868a1a | 4005 | |
48105a6a | 4006 | where FAMILY, HEIGHT, WEIGHT, SLANT, and WIDTH are face attribute values |
5989ba2f CY |
4007 | compatible with `set-face-attribute'. Some of these key-attribute pairs |
4008 | may be omitted from the list if they are not specified by FONT. | |
b1868a1a | 4009 | |
48105a6a JB |
4010 | The optional argument FRAME specifies the frame that the face attributes |
4011 | are to be displayed on. If omitted, the selected frame is used. */) | |
5842a27b | 4012 | (Lisp_Object font, Lisp_Object frame) |
b1868a1a CY |
4013 | { |
4014 | struct frame *f; | |
4015 | Lisp_Object plist[10]; | |
4016 | Lisp_Object val; | |
5989ba2f | 4017 | int n = 0; |
b1868a1a CY |
4018 | |
4019 | if (NILP (frame)) | |
4020 | frame = selected_frame; | |
4021 | CHECK_LIVE_FRAME (frame); | |
4022 | f = XFRAME (frame); | |
4023 | ||
4024 | if (STRINGP (font)) | |
4025 | { | |
4026 | int fontset = fs_query_fontset (font, 0); | |
4027 | Lisp_Object name = font; | |
4028 | if (fontset >= 0) | |
4029 | font = fontset_ascii (fontset); | |
4030 | font = font_spec_from_name (name); | |
4031 | if (! FONTP (font)) | |
4032 | signal_error ("Invalid font name", name); | |
4033 | } | |
4034 | else if (! FONTP (font)) | |
4035 | signal_error ("Invalid font object", font); | |
4036 | ||
b1868a1a | 4037 | val = AREF (font, FONT_FAMILY_INDEX); |
5989ba2f CY |
4038 | if (! NILP (val)) |
4039 | { | |
4040 | plist[n++] = QCfamily; | |
4041 | plist[n++] = SYMBOL_NAME (val); | |
4042 | } | |
b1868a1a | 4043 | |
b1868a1a CY |
4044 | val = AREF (font, FONT_SIZE_INDEX); |
4045 | if (INTEGERP (val)) | |
4046 | { | |
4047 | Lisp_Object font_dpi = AREF (font, FONT_DPI_INDEX); | |
4048 | int dpi = INTEGERP (font_dpi) ? XINT (font_dpi) : f->resy; | |
5989ba2f | 4049 | plist[n++] = QCheight; |
c3bb5465 | 4050 | plist[n++] = make_number (PIXEL_TO_POINT (XINT (val) * 10, dpi)); |
b1868a1a CY |
4051 | } |
4052 | else if (FLOATP (val)) | |
5989ba2f CY |
4053 | { |
4054 | plist[n++] = QCheight; | |
4055 | plist[n++] = make_number (10 * (int) XFLOAT_DATA (val)); | |
4056 | } | |
b1868a1a | 4057 | |
b1868a1a | 4058 | val = FONT_WEIGHT_FOR_FACE (font); |
5989ba2f CY |
4059 | if (! NILP (val)) |
4060 | { | |
4061 | plist[n++] = QCweight; | |
4062 | plist[n++] = val; | |
4063 | } | |
b1868a1a | 4064 | |
b1868a1a | 4065 | val = FONT_SLANT_FOR_FACE (font); |
5989ba2f CY |
4066 | if (! NILP (val)) |
4067 | { | |
4068 | plist[n++] = QCslant; | |
4069 | plist[n++] = val; | |
4070 | } | |
b1868a1a | 4071 | |
b1868a1a | 4072 | val = FONT_WIDTH_FOR_FACE (font); |
5989ba2f CY |
4073 | if (! NILP (val)) |
4074 | { | |
4075 | plist[n++] = QCwidth; | |
4076 | plist[n++] = val; | |
4077 | } | |
b1868a1a | 4078 | |
5989ba2f | 4079 | return Flist (n, plist); |
b1868a1a | 4080 | } |
c2f5bfd6 | 4081 | |
51cf11be AS |
4082 | #endif |
4083 | ||
a7ca3326 | 4084 | DEFUN ("font-put", Ffont_put, Sfont_put, 3, 3, 0, |
a7840ffb KH |
4085 | doc: /* Set one property of FONT: give property KEY value VAL. |
4086 | FONT is a font-spec, a font-entity, or a font-object. | |
4087 | ||
4088 | If FONT is a font-spec, KEY can be any symbol. But if KEY is the one | |
4089 | accepted by the function `font-spec' (which see), VAL must be what | |
4090 | allowed in `font-spec'. | |
4091 | ||
4092 | If FONT is a font-entity or a font-object, KEY must not be the one | |
4093 | accepted by `font-spec'. */) | |
e1ffae3b | 4094 | (Lisp_Object font, Lisp_Object prop, Lisp_Object val) |
c2f5bfd6 | 4095 | { |
35027d0c | 4096 | int idx; |
c2f5bfd6 | 4097 | |
35027d0c KH |
4098 | idx = get_font_prop_index (prop); |
4099 | if (idx >= 0 && idx < FONT_EXTRA_INDEX) | |
a7840ffb KH |
4100 | { |
4101 | CHECK_FONT_SPEC (font); | |
4102 | ASET (font, idx, font_prop_validate (idx, Qnil, val)); | |
4103 | } | |
c2f5bfd6 | 4104 | else |
a7840ffb KH |
4105 | { |
4106 | if (EQ (prop, QCname) | |
4107 | || EQ (prop, QCscript) | |
4108 | || EQ (prop, QClang) | |
4109 | || EQ (prop, QCotf)) | |
4110 | CHECK_FONT_SPEC (font); | |
4111 | else | |
4112 | CHECK_FONT (font); | |
4113 | font_put_extra (font, prop, font_prop_validate (0, prop, val)); | |
4114 | } | |
c2f5bfd6 KH |
4115 | return val; |
4116 | } | |
4117 | ||
a7ca3326 | 4118 | DEFUN ("list-fonts", Flist_fonts, Slist_fonts, 1, 4, 0, |
c2f5bfd6 KH |
4119 | doc: /* List available fonts matching FONT-SPEC on the current frame. |
4120 | Optional 2nd argument FRAME specifies the target frame. | |
4121 | Optional 3rd argument NUM, if non-nil, limits the number of returned fonts. | |
45eb10fb KH |
4122 | Optional 4th argument PREFER, if non-nil, is a font-spec to |
4123 | control the order of the returned list. Fonts are sorted by | |
027a33c0 | 4124 | how close they are to PREFER. */) |
5842a27b | 4125 | (Lisp_Object font_spec, Lisp_Object frame, Lisp_Object num, Lisp_Object prefer) |
c2f5bfd6 | 4126 | { |
72d36834 | 4127 | Lisp_Object vec, list; |
d311d28c | 4128 | EMACS_INT n = 0; |
c2f5bfd6 KH |
4129 | |
4130 | if (NILP (frame)) | |
4131 | frame = selected_frame; | |
4132 | CHECK_LIVE_FRAME (frame); | |
35027d0c | 4133 | CHECK_FONT_SPEC (font_spec); |
c2f5bfd6 KH |
4134 | if (! NILP (num)) |
4135 | { | |
4136 | CHECK_NUMBER (num); | |
4137 | n = XINT (num); | |
4138 | if (n <= 0) | |
4139 | return Qnil; | |
4140 | } | |
4141 | if (! NILP (prefer)) | |
35027d0c | 4142 | CHECK_FONT_SPEC (prefer); |
c2f5bfd6 | 4143 | |
72d36834 KH |
4144 | list = font_list_entities (frame, font_spec); |
4145 | if (NILP (list)) | |
c2f5bfd6 | 4146 | return Qnil; |
72d36834 KH |
4147 | if (NILP (XCDR (list)) |
4148 | && ASIZE (XCAR (list)) == 1) | |
4149 | return Fcons (AREF (XCAR (list), 0), Qnil); | |
c2f5bfd6 KH |
4150 | |
4151 | if (! NILP (prefer)) | |
72d36834 KH |
4152 | vec = font_sort_entities (list, prefer, frame, 0); |
4153 | else | |
4154 | vec = font_vconcat_entity_vectors (list); | |
4155 | if (n == 0 || n >= ASIZE (vec)) | |
c2f5bfd6 | 4156 | { |
72d36834 | 4157 | Lisp_Object args[2]; |
c2f5bfd6 | 4158 | |
72d36834 KH |
4159 | args[0] = vec; |
4160 | args[1] = Qnil; | |
4161 | list = Fappend (2, args); | |
4162 | } | |
4163 | else | |
4164 | { | |
4165 | for (list = Qnil, n--; n >= 0; n--) | |
4166 | list = Fcons (AREF (vec, n), list); | |
c2f5bfd6 KH |
4167 | } |
4168 | return list; | |
4169 | } | |
4170 | ||
35027d0c | 4171 | DEFUN ("font-family-list", Ffont_family_list, Sfont_family_list, 0, 1, 0, |
c2f5bfd6 | 4172 | doc: /* List available font families on the current frame. |
027a33c0 | 4173 | Optional argument FRAME, if non-nil, specifies the target frame. */) |
5842a27b | 4174 | (Lisp_Object frame) |
c2f5bfd6 KH |
4175 | { |
4176 | FRAME_PTR f; | |
4177 | struct font_driver_list *driver_list; | |
4178 | Lisp_Object list; | |
4179 | ||
4180 | if (NILP (frame)) | |
4181 | frame = selected_frame; | |
4182 | CHECK_LIVE_FRAME (frame); | |
4183 | f = XFRAME (frame); | |
4184 | list = Qnil; | |
4185 | for (driver_list = f->font_driver_list; driver_list; | |
4186 | driver_list = driver_list->next) | |
4187 | if (driver_list->driver->list_family) | |
4188 | { | |
4189 | Lisp_Object val = driver_list->driver->list_family (frame); | |
13bf758b | 4190 | Lisp_Object tail = list; |
c2f5bfd6 | 4191 | |
13bf758b CY |
4192 | for (; CONSP (val); val = XCDR (val)) |
4193 | if (NILP (Fmemq (XCAR (val), tail)) | |
4194 | && SYMBOLP (XCAR (val))) | |
4195 | list = Fcons (SYMBOL_NAME (XCAR (val)), list); | |
c2f5bfd6 KH |
4196 | } |
4197 | return list; | |
4198 | } | |
4199 | ||
4200 | DEFUN ("find-font", Ffind_font, Sfind_font, 1, 2, 0, | |
4201 | doc: /* Return a font-entity matching with FONT-SPEC on the current frame. | |
4202 | Optional 2nd argument FRAME, if non-nil, specifies the target frame. */) | |
5842a27b | 4203 | (Lisp_Object font_spec, Lisp_Object frame) |
c2f5bfd6 KH |
4204 | { |
4205 | Lisp_Object val = Flist_fonts (font_spec, frame, make_number (1), Qnil); | |
4206 | ||
4207 | if (CONSP (val)) | |
4208 | val = XCAR (val); | |
4209 | return val; | |
4210 | } | |
4211 | ||
a7ca3326 | 4212 | DEFUN ("font-xlfd-name", Ffont_xlfd_name, Sfont_xlfd_name, 1, 2, 0, |
c2f5bfd6 KH |
4213 | doc: /* Return XLFD name of FONT. |
4214 | FONT is a font-spec, font-entity, or font-object. | |
d0ab1ebe KH |
4215 | If the name is too long for XLFD (maximum 255 chars), return nil. |
4216 | If the 2nd optional arg FOLD-WILDCARDS is non-nil, | |
56dd2d86 | 4217 | the consecutive wildcards are folded into one. */) |
5842a27b | 4218 | (Lisp_Object font, Lisp_Object fold_wildcards) |
c2f5bfd6 KH |
4219 | { |
4220 | char name[256]; | |
cb1caeaf | 4221 | int namelen, pixel_size = 0; |
c2f5bfd6 | 4222 | |
35027d0c KH |
4223 | CHECK_FONT (font); |
4224 | ||
4225 | if (FONT_OBJECT_P (font)) | |
c2f5bfd6 | 4226 | { |
35027d0c | 4227 | Lisp_Object font_name = AREF (font, FONT_NAME_INDEX); |
c2f5bfd6 | 4228 | |
35027d0c KH |
4229 | if (STRINGP (font_name) |
4230 | && SDATA (font_name)[0] == '-') | |
d0ab1ebe KH |
4231 | { |
4232 | if (NILP (fold_wildcards)) | |
4233 | return font_name; | |
51b59d79 | 4234 | strcpy (name, SSDATA (font_name)); |
cb1caeaf | 4235 | namelen = SBYTES (font_name); |
d0ab1ebe KH |
4236 | goto done; |
4237 | } | |
35027d0c | 4238 | pixel_size = XFONT_OBJECT (font)->pixel_size; |
c2f5bfd6 | 4239 | } |
cb1caeaf DA |
4240 | namelen = font_unparse_xlfd (font, pixel_size, name, 256); |
4241 | if (namelen < 0) | |
c2f5bfd6 | 4242 | return Qnil; |
d0ab1ebe KH |
4243 | done: |
4244 | if (! NILP (fold_wildcards)) | |
4245 | { | |
4246 | char *p0 = name, *p1; | |
4247 | ||
4248 | while ((p1 = strstr (p0, "-*-*"))) | |
4249 | { | |
4250 | strcpy (p1, p1 + 2); | |
cb1caeaf | 4251 | namelen -= 2; |
d0ab1ebe KH |
4252 | p0 = p1; |
4253 | } | |
4254 | } | |
4255 | ||
cb1caeaf | 4256 | return make_string (name, namelen); |
c2f5bfd6 KH |
4257 | } |
4258 | ||
4259 | DEFUN ("clear-font-cache", Fclear_font_cache, Sclear_font_cache, 0, 0, 0, | |
4260 | doc: /* Clear font cache. */) | |
5842a27b | 4261 | (void) |
c2f5bfd6 KH |
4262 | { |
4263 | Lisp_Object list, frame; | |
4264 | ||
4265 | FOR_EACH_FRAME (list, frame) | |
4266 | { | |
4267 | FRAME_PTR f = XFRAME (frame); | |
4268 | struct font_driver_list *driver_list = f->font_driver_list; | |
4269 | ||
4270 | for (; driver_list; driver_list = driver_list->next) | |
417a1b10 KH |
4271 | if (driver_list->on) |
4272 | { | |
ca4da08a | 4273 | Lisp_Object cache = driver_list->driver->get_cache (f); |
7a6f7fea | 4274 | Lisp_Object val, tmp; |
51c01100 | 4275 | |
ca4da08a | 4276 | val = XCDR (cache); |
43c0454d KH |
4277 | while (! NILP (val) |
4278 | && ! EQ (XCAR (XCAR (val)), driver_list->driver->type)) | |
ca4da08a | 4279 | val = XCDR (val); |
d0ab1ebe | 4280 | font_assert (! NILP (val)); |
7a6f7fea AS |
4281 | tmp = XCDR (XCAR (val)); |
4282 | if (XINT (XCAR (tmp)) == 0) | |
417a1b10 | 4283 | { |
ca4da08a KH |
4284 | font_clear_cache (f, XCAR (val), driver_list->driver); |
4285 | XSETCDR (cache, XCDR (val)); | |
417a1b10 | 4286 | } |
417a1b10 | 4287 | } |
c2f5bfd6 KH |
4288 | } |
4289 | ||
4290 | return Qnil; | |
4291 | } | |
4292 | ||
071132a9 KH |
4293 | \f |
4294 | void | |
971de7fb | 4295 | font_fill_lglyph_metrics (Lisp_Object glyph, Lisp_Object font_object) |
c2f5bfd6 | 4296 | { |
071132a9 | 4297 | struct font *font = XFONT_OBJECT (font_object); |
d311d28c | 4298 | unsigned code = font->driver->encode_char (font, LGLYPH_CHAR (glyph)); |
071132a9 | 4299 | struct font_metrics metrics; |
c2f5bfd6 | 4300 | |
d311d28c | 4301 | LGLYPH_SET_CODE (glyph, code); |
071132a9 KH |
4302 | font->driver->text_extents (font, &code, 1, &metrics); |
4303 | LGLYPH_SET_LBEARING (glyph, metrics.lbearing); | |
4304 | LGLYPH_SET_RBEARING (glyph, metrics.rbearing); | |
4305 | LGLYPH_SET_WIDTH (glyph, metrics.width); | |
4306 | LGLYPH_SET_ASCENT (glyph, metrics.ascent); | |
4307 | LGLYPH_SET_DESCENT (glyph, metrics.descent); | |
c2f5bfd6 KH |
4308 | } |
4309 | ||
c2f5bfd6 | 4310 | |
071132a9 KH |
4311 | DEFUN ("font-shape-gstring", Ffont_shape_gstring, Sfont_shape_gstring, 1, 1, 0, |
4312 | doc: /* Shape the glyph-string GSTRING. | |
4313 | Shaping means substituting glyphs and/or adjusting positions of glyphs | |
4314 | to get the correct visual image of character sequences set in the | |
4315 | header of the glyph-string. | |
1701724c | 4316 | |
071132a9 KH |
4317 | If the shaping was successful, the value is GSTRING itself or a newly |
4318 | created glyph-string. Otherwise, the value is nil. */) | |
5842a27b | 4319 | (Lisp_Object gstring) |
1701724c KH |
4320 | { |
4321 | struct font *font; | |
071132a9 | 4322 | Lisp_Object font_object, n, glyph; |
d311d28c | 4323 | ptrdiff_t i, j, from, to; |
ba3de0e8 | 4324 | |
071132a9 KH |
4325 | if (! composition_gstring_p (gstring)) |
4326 | signal_error ("Invalid glyph-string: ", gstring); | |
4327 | if (! NILP (LGSTRING_ID (gstring))) | |
4328 | return gstring; | |
4329 | font_object = LGSTRING_FONT (gstring); | |
4330 | CHECK_FONT_OBJECT (font_object); | |
35027d0c | 4331 | font = XFONT_OBJECT (font_object); |
b876ea91 KH |
4332 | if (! font->driver->shape) |
4333 | return Qnil; | |
4334 | ||
40fb53d6 KH |
4335 | /* Try at most three times with larger gstring each time. */ |
4336 | for (i = 0; i < 3; i++) | |
4337 | { | |
40fb53d6 KH |
4338 | n = font->driver->shape (gstring); |
4339 | if (INTEGERP (n)) | |
4340 | break; | |
071132a9 | 4341 | gstring = larger_vector (gstring, |
d311d28c | 4342 | LGSTRING_GLYPH_LEN (gstring), -1); |
40fb53d6 | 4343 | } |
071132a9 | 4344 | if (i == 3 || XINT (n) == 0) |
1701724c | 4345 | return Qnil; |
dfe3c90f KH |
4346 | if (XINT (n) < LGSTRING_GLYPH_LEN (gstring)) |
4347 | LGSTRING_SET_GLYPH (gstring, XINT (n), Qnil); | |
ba3de0e8 | 4348 | |
071132a9 | 4349 | glyph = LGSTRING_GLYPH (gstring, 0); |
fc3a285e KH |
4350 | from = LGLYPH_FROM (glyph); |
4351 | to = LGLYPH_TO (glyph); | |
4352 | for (i = 1, j = 0; i < LGSTRING_GLYPH_LEN (gstring); i++) | |
071132a9 KH |
4353 | { |
4354 | Lisp_Object this = LGSTRING_GLYPH (gstring, i); | |
10d16101 | 4355 | |
071132a9 KH |
4356 | if (NILP (this)) |
4357 | break; | |
4358 | if (NILP (LGLYPH_ADJUSTMENT (this))) | |
fc3a285e KH |
4359 | { |
4360 | if (j < i - 1) | |
4361 | for (; j < i; j++) | |
4362 | { | |
4363 | glyph = LGSTRING_GLYPH (gstring, j); | |
4364 | LGLYPH_SET_FROM (glyph, from); | |
4365 | LGLYPH_SET_TO (glyph, to); | |
4366 | } | |
4367 | from = LGLYPH_FROM (this); | |
4368 | to = LGLYPH_TO (this); | |
4369 | j = i; | |
4370 | } | |
071132a9 | 4371 | else |
b2937119 | 4372 | { |
fc3a285e KH |
4373 | if (from > LGLYPH_FROM (this)) |
4374 | from = LGLYPH_FROM (this); | |
4375 | if (to < LGLYPH_TO (this)) | |
4376 | to = LGLYPH_TO (this); | |
b2937119 | 4377 | } |
10d16101 | 4378 | } |
fc3a285e KH |
4379 | if (j < i - 1) |
4380 | for (; j < i; j++) | |
4381 | { | |
4382 | glyph = LGSTRING_GLYPH (gstring, j); | |
4383 | LGLYPH_SET_FROM (glyph, from); | |
4384 | LGLYPH_SET_TO (glyph, to); | |
4385 | } | |
071132a9 | 4386 | return composition_gstring_put_cache (gstring, XINT (n)); |
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 KH |
4433 | |
4434 | If LANGYS is nil, the default langsys is selected. | |
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; |
c2f5bfd6 KH |
4551 | |
4552 | CHECK_FONT_ENTITY (font_entity); | |
c2f5bfd6 KH |
4553 | if (NILP (frame)) |
4554 | frame = selected_frame; | |
4555 | CHECK_LIVE_FRAME (frame); | |
51c01100 | 4556 | |
35027d0c KH |
4557 | if (NILP (size)) |
4558 | isize = XINT (AREF (font_entity, FONT_SIZE_INDEX)); | |
4559 | else | |
4560 | { | |
4561 | CHECK_NUMBER_OR_FLOAT (size); | |
4562 | if (FLOATP (size)) | |
d03b5cdb | 4563 | isize = POINT_TO_PIXEL (XFLOAT_DATA (size), XFRAME (frame)->resy); |
35027d0c KH |
4564 | else |
4565 | isize = XINT (size); | |
d311d28c PE |
4566 | if (! (INT_MIN <= isize && isize <= INT_MAX)) |
4567 | args_out_of_range (font_entity, size); | |
35027d0c KH |
4568 | if (isize == 0) |
4569 | isize = 120; | |
4570 | } | |
c2f5bfd6 KH |
4571 | return font_open_entity (XFRAME (frame), font_entity, isize); |
4572 | } | |
4573 | ||
4574 | DEFUN ("close-font", Fclose_font, Sclose_font, 1, 2, 0, | |
4575 | doc: /* Close FONT-OBJECT. */) | |
5842a27b | 4576 | (Lisp_Object font_object, Lisp_Object frame) |
c2f5bfd6 KH |
4577 | { |
4578 | CHECK_FONT_OBJECT (font_object); | |
4579 | if (NILP (frame)) | |
4580 | frame = selected_frame; | |
4581 | CHECK_LIVE_FRAME (frame); | |
4582 | font_close_object (XFRAME (frame), font_object); | |
4583 | return Qnil; | |
4584 | } | |
4585 | ||
4586 | DEFUN ("query-font", Fquery_font, Squery_font, 1, 1, 0, | |
e80e09b4 KH |
4587 | doc: /* Return information about FONT-OBJECT. |
4588 | The value is a vector: | |
4589 | [ NAME FILENAME PIXEL-SIZE SIZE ASCENT DESCENT SPACE-WIDTH AVERAGE-WIDTH | |
e0708580 | 4590 | CAPABILITY ] |
e80e09b4 | 4591 | |
56dd2d86 | 4592 | NAME is the font name, a string (or nil if the font backend doesn't |
e80e09b4 KH |
4593 | provide a name). |
4594 | ||
56dd2d86 | 4595 | FILENAME is the font file name, a string (or nil if the font backend |
e80e09b4 KH |
4596 | doesn't provide a file name). |
4597 | ||
4598 | PIXEL-SIZE is a pixel size by which the font is opened. | |
4599 | ||
027a33c0 | 4600 | SIZE is a maximum advance width of the font in pixels. |
e80e09b4 KH |
4601 | |
4602 | ASCENT, DESCENT, SPACE-WIDTH, AVERAGE-WIDTH are metrics of the font in | |
027a33c0 | 4603 | pixels. |
e80e09b4 | 4604 | |
e0708580 KH |
4605 | CAPABILITY is a list whose first element is a symbol representing the |
4606 | font format \(x, opentype, truetype, type1, pcf, or bdf) and the | |
027a33c0 | 4607 | remaining elements describe the details of the font capability. |
e0708580 KH |
4608 | |
4609 | If the font is OpenType font, the form of the list is | |
4610 | \(opentype GSUB GPOS) | |
4611 | where GSUB shows which "GSUB" features the font supports, and GPOS | |
4612 | shows which "GPOS" features the font supports. Both GSUB and GPOS are | |
4613 | lists of the format: | |
4614 | \((SCRIPT (LANGSYS FEATURE ...) ...) ...) | |
4615 | ||
4616 | If the font is not OpenType font, currently the length of the form is | |
4617 | one. | |
e80e09b4 KH |
4618 | |
4619 | SCRIPT is a symbol representing OpenType script tag. | |
4620 | ||
4621 | LANGSYS is a symbol representing OpenType langsys tag, or nil | |
4622 | representing the default langsys. | |
4623 | ||
51c01100 | 4624 | FEATURE is a symbol representing OpenType feature tag. |
e80e09b4 | 4625 | |
51c01100 | 4626 | If the font is not OpenType font, CAPABILITY is nil. */) |
5842a27b | 4627 | (Lisp_Object font_object) |
c2f5bfd6 KH |
4628 | { |
4629 | struct font *font; | |
4630 | Lisp_Object val; | |
4631 | ||
4632 | CHECK_FONT_GET_OBJECT (font_object, font); | |
4633 | ||
4634 | val = Fmake_vector (make_number (9), Qnil); | |
35027d0c KH |
4635 | ASET (val, 0, AREF (font_object, FONT_NAME_INDEX)); |
4636 | ASET (val, 1, AREF (font_object, FONT_FILE_INDEX)); | |
c2f5bfd6 | 4637 | ASET (val, 2, make_number (font->pixel_size)); |
35027d0c | 4638 | ASET (val, 3, make_number (font->max_width)); |
c2f5bfd6 KH |
4639 | ASET (val, 4, make_number (font->ascent)); |
4640 | ASET (val, 5, make_number (font->descent)); | |
35027d0c KH |
4641 | ASET (val, 6, make_number (font->space_width)); |
4642 | ASET (val, 7, make_number (font->average_width)); | |
c2f5bfd6 | 4643 | if (font->driver->otf_capability) |
e0708580 | 4644 | ASET (val, 8, Fcons (Qopentype, font->driver->otf_capability (font))); |
c2f5bfd6 KH |
4645 | return val; |
4646 | } | |
4647 | ||
a7840ffb KH |
4648 | DEFUN ("font-get-glyphs", Ffont_get_glyphs, Sfont_get_glyphs, 3, 4, 0, |
4649 | doc: | |
4650 | /* Return a vector of FONT-OBJECT's glyphs for the specified characters. | |
4651 | FROM and TO are positions (integers or markers) specifying a region | |
4652 | of the current buffer. | |
4653 | If the optional fourth arg OBJECT is not nil, it is a string or a | |
4654 | vector containing the target characters. | |
4655 | ||
4656 | Each element is a vector containing information of a glyph in this format: | |
4657 | [FROM-IDX TO-IDX C CODE WIDTH LBEARING RBEARING ASCENT DESCENT ADJUSTMENT] | |
4658 | where | |
4659 | FROM is an index numbers of a character the glyph corresponds to. | |
4660 | TO is the same as FROM. | |
4661 | C is the character of the glyph. | |
4662 | CODE is the glyph-code of C in FONT-OBJECT. | |
4663 | WIDTH thru DESCENT are the metrics (in pixels) of the glyph. | |
4664 | ADJUSTMENT is always nil. | |
4665 | If FONT-OBJECT doesn't have a glyph for a character, | |
4666 | the corresponding element is nil. */) | |
e1ffae3b KH |
4667 | (Lisp_Object font_object, Lisp_Object from, Lisp_Object to, |
4668 | Lisp_Object object) | |
c2f5bfd6 KH |
4669 | { |
4670 | struct font *font; | |
d311d28c | 4671 | ptrdiff_t i, len; |
a7840ffb KH |
4672 | Lisp_Object *chars, vec; |
4673 | USE_SAFE_ALLOCA; | |
c2f5bfd6 KH |
4674 | |
4675 | CHECK_FONT_GET_OBJECT (font_object, font); | |
a7840ffb KH |
4676 | if (NILP (object)) |
4677 | { | |
d311d28c | 4678 | ptrdiff_t charpos, bytepos; |
a7840ffb KH |
4679 | |
4680 | validate_region (&from, &to); | |
4681 | if (EQ (from, to)) | |
4682 | return Qnil; | |
4683 | len = XFASTINT (to) - XFASTINT (from); | |
4684 | SAFE_ALLOCA_LISP (chars, len); | |
4685 | charpos = XFASTINT (from); | |
4686 | bytepos = CHAR_TO_BYTE (charpos); | |
4687 | for (i = 0; charpos < XFASTINT (to); i++) | |
4688 | { | |
13a547c6 | 4689 | int c; |
a7840ffb KH |
4690 | FETCH_CHAR_ADVANCE (c, charpos, bytepos); |
4691 | chars[i] = make_number (c); | |
4692 | } | |
4693 | } | |
4694 | else if (STRINGP (object)) | |
4695 | { | |
4696 | const unsigned char *p; | |
4697 | ||
4698 | CHECK_NUMBER (from); | |
4699 | CHECK_NUMBER (to); | |
4700 | if (XINT (from) < 0 || XINT (from) > XINT (to) | |
4701 | || XINT (to) > SCHARS (object)) | |
4702 | args_out_of_range_3 (object, from, to); | |
4703 | if (EQ (from, to)) | |
4704 | return Qnil; | |
4705 | len = XFASTINT (to) - XFASTINT (from); | |
4706 | SAFE_ALLOCA_LISP (chars, len); | |
4707 | p = SDATA (object); | |
4708 | if (STRING_MULTIBYTE (object)) | |
4709 | for (i = 0; i < len; i++) | |
4710 | { | |
13a547c6 | 4711 | int c = STRING_CHAR_ADVANCE (p); |
a7840ffb KH |
4712 | chars[i] = make_number (c); |
4713 | } | |
4714 | else | |
4715 | for (i = 0; i < len; i++) | |
4716 | chars[i] = make_number (p[i]); | |
4717 | } | |
4718 | else | |
4719 | { | |
4720 | CHECK_VECTOR (object); | |
4721 | CHECK_NUMBER (from); | |
4722 | CHECK_NUMBER (to); | |
4723 | if (XINT (from) < 0 || XINT (from) > XINT (to) | |
4724 | || XINT (to) > ASIZE (object)) | |
4725 | args_out_of_range_3 (object, from, to); | |
4726 | if (EQ (from, to)) | |
4727 | return Qnil; | |
4728 | len = XFASTINT (to) - XFASTINT (from); | |
4729 | for (i = 0; i < len; i++) | |
4730 | { | |
4731 | Lisp_Object elt = AREF (object, XFASTINT (from) + i); | |
4732 | CHECK_CHARACTER (elt); | |
4733 | } | |
4734 | chars = &(AREF (object, XFASTINT (from))); | |
4735 | } | |
4736 | ||
c2f5bfd6 KH |
4737 | vec = Fmake_vector (make_number (len), Qnil); |
4738 | for (i = 0; i < len; i++) | |
4739 | { | |
a7840ffb KH |
4740 | Lisp_Object g; |
4741 | int c = XFASTINT (chars[i]); | |
c2f5bfd6 KH |
4742 | unsigned code; |
4743 | struct font_metrics metrics; | |
4744 | ||
78834453 | 4745 | code = font->driver->encode_char (font, c); |
c2f5bfd6 KH |
4746 | if (code == FONT_INVALID_CODE) |
4747 | continue; | |
a7840ffb KH |
4748 | g = Fmake_vector (make_number (LGLYPH_SIZE), Qnil); |
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 KH |
4779 | Optional second arg WINDOW, if non-nil, is a window displaying |
4780 | the current buffer. It defaults to the currently selected window. */) | |
5842a27b | 4781 | (Lisp_Object position, Lisp_Object window, Lisp_Object string) |
10d16101 KH |
4782 | { |
4783 | struct window *w; | |
d311d28c | 4784 | ptrdiff_t pos; |
10d16101 | 4785 | |
1701724c KH |
4786 | if (NILP (string)) |
4787 | { | |
4788 | CHECK_NUMBER_COERCE_MARKER (position); | |
d311d28c | 4789 | if (! (BEGV <= XINT (position) && XINT (position) < ZV)) |
1701724c | 4790 | args_out_of_range_3 (position, make_number (BEGV), make_number (ZV)); |
d311d28c | 4791 | pos = XINT (position); |
1701724c KH |
4792 | } |
4793 | else | |
4794 | { | |
1701724c KH |
4795 | CHECK_NUMBER (position); |
4796 | CHECK_STRING (string); | |
d311d28c | 4797 | if (! (0 < XINT (position) && XINT (position) < SCHARS (string))) |
1701724c | 4798 | args_out_of_range (string, position); |
d311d28c | 4799 | pos = XINT (position); |
1701724c | 4800 | } |
10d16101 KH |
4801 | if (NILP (window)) |
4802 | window = selected_window; | |
4803 | CHECK_LIVE_WINDOW (window); | |
40fb53d6 | 4804 | w = XWINDOW (window); |
10d16101 | 4805 | |
40fb53d6 | 4806 | return font_at (-1, pos, NULL, w, string); |
10d16101 KH |
4807 | } |
4808 | ||
c2f5bfd6 KH |
4809 | #if 0 |
4810 | DEFUN ("draw-string", Fdraw_string, Sdraw_string, 2, 2, 0, | |
4811 | doc: /* Draw STRING by FONT-OBJECT on the top left corner of the current frame. | |
4812 | The value is a number of glyphs drawn. | |
4813 | Type C-l to recover what previously shown. */) | |
5842a27b | 4814 | (Lisp_Object font_object, Lisp_Object string) |
c2f5bfd6 KH |
4815 | { |
4816 | Lisp_Object frame = selected_frame; | |
4817 | FRAME_PTR f = XFRAME (frame); | |
4818 | struct font *font; | |
4819 | struct face *face; | |
4820 | int i, len, width; | |
4821 | unsigned *code; | |
4822 | ||
4823 | CHECK_FONT_GET_OBJECT (font_object, font); | |
4824 | CHECK_STRING (string); | |
4825 | len = SCHARS (string); | |
4826 | code = alloca (sizeof (unsigned) * len); | |
4827 | for (i = 0; i < len; i++) | |
4828 | { | |
4829 | Lisp_Object ch = Faref (string, make_number (i)); | |
4830 | Lisp_Object val; | |
4831 | int c = XINT (ch); | |
4832 | ||
4833 | code[i] = font->driver->encode_char (font, c); | |
4834 | if (code[i] == FONT_INVALID_CODE) | |
4835 | break; | |
4836 | } | |
4837 | face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
4838 | face->fontp = font; | |
4839 | if (font->driver->prepare_face) | |
4840 | font->driver->prepare_face (f, face); | |
4841 | width = font->driver->text_extents (font, code, i, NULL); | |
4842 | len = font->driver->draw_text (f, face, 0, font->ascent, code, i, width); | |
4843 | if (font->driver->done_face) | |
4844 | font->driver->done_face (f, face); | |
4845 | face->fontp = NULL; | |
4846 | return make_number (len); | |
4847 | } | |
4848 | #endif | |
4849 | ||
4850 | #endif /* FONT_DEBUG */ | |
4851 | ||
a266686a KH |
4852 | #ifdef HAVE_WINDOW_SYSTEM |
4853 | ||
72606e45 KH |
4854 | DEFUN ("font-info", Ffont_info, Sfont_info, 1, 2, 0, |
4855 | doc: /* Return information about a font named NAME on frame FRAME. | |
4856 | If FRAME is omitted or nil, use the selected frame. | |
06f19b91 | 4857 | The returned value is a vector of OPENED-NAME, FULL-NAME, SIZE, |
72606e45 KH |
4858 | HEIGHT, BASELINE-OFFSET, RELATIVE-COMPOSE, and DEFAULT-ASCENT, |
4859 | where | |
4860 | OPENED-NAME is the name used for opening the font, | |
4861 | FULL-NAME is the full name of the font, | |
06f19b91 KH |
4862 | SIZE is the pixelsize of the font, |
4863 | HEIGHT is the pixel-height of the font (i.e ascent + descent), | |
72606e45 KH |
4864 | BASELINE-OFFSET is the upward offset pixels from ASCII baseline, |
4865 | RELATIVE-COMPOSE and DEFAULT-ASCENT are the numbers controlling | |
4866 | how to compose characters. | |
4867 | If the named font is not yet loaded, return nil. */) | |
5842a27b | 4868 | (Lisp_Object name, Lisp_Object frame) |
72606e45 KH |
4869 | { |
4870 | FRAME_PTR f; | |
4871 | struct font *font; | |
4872 | Lisp_Object info; | |
4873 | Lisp_Object font_object; | |
4874 | ||
4875 | (*check_window_system_func) (); | |
4876 | ||
4877 | if (! FONTP (name)) | |
4878 | CHECK_STRING (name); | |
4879 | if (NILP (frame)) | |
4880 | frame = selected_frame; | |
4881 | CHECK_LIVE_FRAME (frame); | |
4882 | f = XFRAME (frame); | |
4883 | ||
4884 | if (STRINGP (name)) | |
4885 | { | |
4886 | int fontset = fs_query_fontset (name, 0); | |
4887 | ||
4888 | if (fontset >= 0) | |
4889 | name = fontset_ascii (fontset); | |
51b59d79 | 4890 | font_object = font_open_by_name (f, SSDATA (name)); |
72606e45 KH |
4891 | } |
4892 | else if (FONT_OBJECT_P (name)) | |
4893 | font_object = name; | |
4894 | else if (FONT_ENTITY_P (name)) | |
4895 | font_object = font_open_entity (f, name, 0); | |
4896 | else | |
4897 | { | |
4898 | struct face *face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
4899 | Lisp_Object entity = font_matching_entity (f, face->lface, name); | |
4900 | ||
4901 | font_object = ! NILP (entity) ? font_open_entity (f, entity, 0) : Qnil; | |
4902 | } | |
4903 | if (NILP (font_object)) | |
4904 | return Qnil; | |
4905 | font = XFONT_OBJECT (font_object); | |
4906 | ||
4907 | info = Fmake_vector (make_number (7), Qnil); | |
28be1ada DA |
4908 | ASET (info, 0, AREF (font_object, FONT_NAME_INDEX)); |
4909 | ASET (info, 1, AREF (font_object, FONT_FULLNAME_INDEX)); | |
4910 | ASET (info, 2, make_number (font->pixel_size)); | |
4911 | ASET (info, 3, make_number (font->height)); | |
4912 | ASET (info, 4, make_number (font->baseline_offset)); | |
4913 | ASET (info, 5, make_number (font->relative_compose)); | |
4914 | ASET (info, 6, make_number (font->default_ascent)); | |
72606e45 KH |
4915 | |
4916 | #if 0 | |
4917 | /* As font_object is still in FONT_OBJLIST of the entity, we can't | |
4918 | close it now. Perhaps, we should manage font-objects | |
4919 | by `reference-count'. */ | |
4920 | font_close_object (f, font_object); | |
4921 | #endif | |
4922 | return info; | |
4923 | } | |
a266686a | 4924 | #endif |
72606e45 | 4925 | |
c2f5bfd6 | 4926 | \f |
d0ab1ebe KH |
4927 | #define BUILD_STYLE_TABLE(TBL) \ |
4928 | build_style_table ((TBL), sizeof TBL / sizeof (struct table_entry)) | |
4929 | ||
4930 | static Lisp_Object | |
971de7fb | 4931 | build_style_table (const struct table_entry *entry, int nelement) |
d0ab1ebe KH |
4932 | { |
4933 | int i, j; | |
4934 | Lisp_Object table, elt; | |
17ab8f5d | 4935 | |
d0ab1ebe KH |
4936 | table = Fmake_vector (make_number (nelement), Qnil); |
4937 | for (i = 0; i < nelement; i++) | |
4938 | { | |
4939 | for (j = 0; entry[i].names[j]; j++); | |
4940 | elt = Fmake_vector (make_number (j + 1), Qnil); | |
4941 | ASET (elt, 0, make_number (entry[i].numeric)); | |
4942 | for (j = 0; entry[i].names[j]; j++) | |
d67b4f80 | 4943 | ASET (elt, j + 1, intern_c_string (entry[i].names[j])); |
d0ab1ebe KH |
4944 | ASET (table, i, elt); |
4945 | } | |
4946 | return table; | |
4947 | } | |
4948 | ||
d0818984 KH |
4949 | /* The deferred font-log data of the form [ACTION ARG RESULT]. |
4950 | If ACTION is not nil, that is added to the log when font_add_log is | |
4951 | called next time. At that time, ACTION is set back to nil. */ | |
4952 | static Lisp_Object Vfont_log_deferred; | |
4953 | ||
4954 | /* Prepend the font-related logging data in Vfont_log if it is not | |
4955 | `t'. ACTION describes a kind of font-related action (e.g. listing, | |
4956 | opening), ARG is the argument for the action, and RESULT is the | |
4957 | result of the action. */ | |
d0ab1ebe | 4958 | void |
675e2c69 | 4959 | font_add_log (const char *action, Lisp_Object arg, Lisp_Object result) |
d0ab1ebe | 4960 | { |
13a547c6 | 4961 | Lisp_Object val; |
d0ab1ebe KH |
4962 | int i; |
4963 | ||
d0ab1ebe KH |
4964 | if (EQ (Vfont_log, Qt)) |
4965 | return; | |
d0818984 KH |
4966 | if (STRINGP (AREF (Vfont_log_deferred, 0))) |
4967 | { | |
51b59d79 | 4968 | char *str = SSDATA (AREF (Vfont_log_deferred, 0)); |
d0818984 KH |
4969 | |
4970 | ASET (Vfont_log_deferred, 0, Qnil); | |
4971 | font_add_log (str, AREF (Vfont_log_deferred, 1), | |
4972 | AREF (Vfont_log_deferred, 2)); | |
4973 | } | |
4974 | ||
d0ab1ebe | 4975 | if (FONTP (arg)) |
db716644 KH |
4976 | { |
4977 | Lisp_Object tail, elt; | |
4978 | Lisp_Object equalstr = build_string ("="); | |
4979 | ||
4980 | val = Ffont_xlfd_name (arg, Qt); | |
4981 | for (tail = AREF (arg, FONT_EXTRA_INDEX); CONSP (tail); | |
4982 | tail = XCDR (tail)) | |
4983 | { | |
4984 | elt = XCAR (tail); | |
49f9c344 KH |
4985 | if (EQ (XCAR (elt), QCscript) |
4986 | && SYMBOLP (XCDR (elt))) | |
db716644 KH |
4987 | val = concat3 (val, SYMBOL_NAME (QCscript), |
4988 | concat2 (equalstr, SYMBOL_NAME (XCDR (elt)))); | |
49f9c344 KH |
4989 | else if (EQ (XCAR (elt), QClang) |
4990 | && SYMBOLP (XCDR (elt))) | |
db716644 KH |
4991 | val = concat3 (val, SYMBOL_NAME (QClang), |
4992 | concat2 (equalstr, SYMBOL_NAME (XCDR (elt)))); | |
49f9c344 KH |
4993 | else if (EQ (XCAR (elt), QCotf) |
4994 | && CONSP (XCDR (elt)) && SYMBOLP (XCAR (XCDR (elt)))) | |
db716644 KH |
4995 | val = concat3 (val, SYMBOL_NAME (QCotf), |
4996 | concat2 (equalstr, | |
4997 | SYMBOL_NAME (XCAR (XCDR (elt))))); | |
4998 | } | |
4999 | arg = val; | |
5000 | } | |
72d36834 KH |
5001 | |
5002 | if (CONSP (result) | |
5003 | && VECTORP (XCAR (result)) | |
5004 | && ASIZE (XCAR (result)) > 0 | |
5005 | && FONTP (AREF (XCAR (result), 0))) | |
5006 | result = font_vconcat_entity_vectors (result); | |
d0ab1ebe | 5007 | if (FONTP (result)) |
d26424c5 KH |
5008 | { |
5009 | val = Ffont_xlfd_name (result, Qt); | |
5010 | if (! FONT_SPEC_P (result)) | |
5011 | val = concat3 (SYMBOL_NAME (AREF (result, FONT_TYPE_INDEX)), | |
5012 | build_string (":"), val); | |
5013 | result = val; | |
5014 | } | |
d0ab1ebe KH |
5015 | else if (CONSP (result)) |
5016 | { | |
13a547c6 | 5017 | Lisp_Object tail; |
d0ab1ebe KH |
5018 | result = Fcopy_sequence (result); |
5019 | for (tail = result; CONSP (tail); tail = XCDR (tail)) | |
5020 | { | |
5021 | val = XCAR (tail); | |
5022 | if (FONTP (val)) | |
5023 | val = Ffont_xlfd_name (val, Qt); | |
5024 | XSETCAR (tail, val); | |
5025 | } | |
5026 | } | |
5027 | else if (VECTORP (result)) | |
5028 | { | |
5029 | result = Fcopy_sequence (result); | |
5030 | for (i = 0; i < ASIZE (result); i++) | |
5031 | { | |
5032 | val = AREF (result, i); | |
5033 | if (FONTP (val)) | |
5034 | val = Ffont_xlfd_name (val, Qt); | |
5035 | ASET (result, i, val); | |
5036 | } | |
5037 | } | |
5038 | Vfont_log = Fcons (list3 (intern (action), arg, result), Vfont_log); | |
5039 | } | |
5040 | ||
d0818984 KH |
5041 | /* Record a font-related logging data to be added to Vfont_log when |
5042 | font_add_log is called next time. ACTION, ARG, RESULT are the same | |
5043 | as font_add_log. */ | |
5044 | ||
5045 | void | |
675e2c69 | 5046 | font_deferred_log (const char *action, Lisp_Object arg, Lisp_Object result) |
d0818984 | 5047 | { |
652b9560 KH |
5048 | if (EQ (Vfont_log, Qt)) |
5049 | return; | |
d0818984 KH |
5050 | ASET (Vfont_log_deferred, 0, build_string (action)); |
5051 | ASET (Vfont_log_deferred, 1, arg); | |
5052 | ASET (Vfont_log_deferred, 2, result); | |
ba3de0e8 | 5053 | } |
d0818984 | 5054 | |
c2f5bfd6 | 5055 | void |
971de7fb | 5056 | syms_of_font (void) |
c2f5bfd6 | 5057 | { |
4007dd1c KH |
5058 | sort_shift_bits[FONT_TYPE_INDEX] = 0; |
5059 | sort_shift_bits[FONT_SLANT_INDEX] = 2; | |
5060 | sort_shift_bits[FONT_WEIGHT_INDEX] = 9; | |
5061 | sort_shift_bits[FONT_SIZE_INDEX] = 16; | |
5062 | sort_shift_bits[FONT_WIDTH_INDEX] = 23; | |
5063 | /* Note that the other elements in sort_shift_bits are not used. */ | |
c2f5bfd6 | 5064 | |
1701724c KH |
5065 | staticpro (&font_charset_alist); |
5066 | font_charset_alist = Qnil; | |
5067 | ||
e0708580 | 5068 | DEFSYM (Qopentype, "opentype"); |
c2f5bfd6 | 5069 | |
9e1bb909 | 5070 | DEFSYM (Qascii_0, "ascii-0"); |
1bb1d99b KH |
5071 | DEFSYM (Qiso8859_1, "iso8859-1"); |
5072 | DEFSYM (Qiso10646_1, "iso10646-1"); | |
5073 | DEFSYM (Qunicode_bmp, "unicode-bmp"); | |
cf96c5c2 | 5074 | DEFSYM (Qunicode_sip, "unicode-sip"); |
1bb1d99b | 5075 | |
071132a9 KH |
5076 | DEFSYM (QCf, "Cf"); |
5077 | ||
c2f5bfd6 | 5078 | DEFSYM (QCotf, ":otf"); |
35027d0c | 5079 | DEFSYM (QClang, ":lang"); |
c2f5bfd6 | 5080 | DEFSYM (QCscript, ":script"); |
4c496d0d | 5081 | DEFSYM (QCantialias, ":antialias"); |
c2f5bfd6 KH |
5082 | |
5083 | DEFSYM (QCfoundry, ":foundry"); | |
5084 | DEFSYM (QCadstyle, ":adstyle"); | |
5085 | DEFSYM (QCregistry, ":registry"); | |
9331887d KH |
5086 | DEFSYM (QCspacing, ":spacing"); |
5087 | DEFSYM (QCdpi, ":dpi"); | |
ec6fe57c | 5088 | DEFSYM (QCscalable, ":scalable"); |
35027d0c KH |
5089 | DEFSYM (QCavgwidth, ":avgwidth"); |
5090 | DEFSYM (QCfont_entity, ":font-entity"); | |
5091 | DEFSYM (QCfc_unknown_spec, ":fc-unknown-spec"); | |
c2f5bfd6 | 5092 | |
ec6fe57c KH |
5093 | DEFSYM (Qc, "c"); |
5094 | DEFSYM (Qm, "m"); | |
5095 | DEFSYM (Qp, "p"); | |
5096 | DEFSYM (Qd, "d"); | |
5097 | ||
cf702558 CY |
5098 | DEFSYM (Qja, "ja"); |
5099 | DEFSYM (Qko, "ko"); | |
5100 | ||
42707278 JD |
5101 | DEFSYM (QCuser_spec, "user-spec"); |
5102 | ||
c2f5bfd6 KH |
5103 | staticpro (&null_vector); |
5104 | null_vector = Fmake_vector (make_number (0), Qnil); | |
5105 | ||
5106 | staticpro (&scratch_font_spec); | |
5107 | scratch_font_spec = Ffont_spec (0, NULL); | |
5108 | staticpro (&scratch_font_prefer); | |
5109 | scratch_font_prefer = Ffont_spec (0, NULL); | |
5110 | ||
d0818984 KH |
5111 | staticpro (&Vfont_log_deferred); |
5112 | Vfont_log_deferred = Fmake_vector (make_number (3), Qnil); | |
5113 | ||
6a3dadd2 | 5114 | #if 0 |
733fd013 KH |
5115 | #ifdef HAVE_LIBOTF |
5116 | staticpro (&otf_list); | |
5117 | otf_list = Qnil; | |
6a3dadd2 KH |
5118 | #endif /* HAVE_LIBOTF */ |
5119 | #endif /* 0 */ | |
733fd013 | 5120 | |
c2f5bfd6 KH |
5121 | defsubr (&Sfontp); |
5122 | defsubr (&Sfont_spec); | |
5123 | defsubr (&Sfont_get); | |
51cf11be | 5124 | #ifdef HAVE_WINDOW_SYSTEM |
b1868a1a | 5125 | defsubr (&Sfont_face_attributes); |
51cf11be | 5126 | #endif |
c2f5bfd6 KH |
5127 | defsubr (&Sfont_put); |
5128 | defsubr (&Slist_fonts); | |
35027d0c | 5129 | defsubr (&Sfont_family_list); |
c2f5bfd6 KH |
5130 | defsubr (&Sfind_font); |
5131 | defsubr (&Sfont_xlfd_name); | |
5132 | defsubr (&Sclear_font_cache); | |
071132a9 | 5133 | defsubr (&Sfont_shape_gstring); |
78a2f9cd | 5134 | defsubr (&Sfont_variation_glyphs); |
6a3dadd2 | 5135 | #if 0 |
733fd013 | 5136 | defsubr (&Sfont_drive_otf); |
e80e09b4 | 5137 | defsubr (&Sfont_otf_alternates); |
6a3dadd2 | 5138 | #endif /* 0 */ |
c2f5bfd6 KH |
5139 | |
5140 | #ifdef FONT_DEBUG | |
5141 | defsubr (&Sopen_font); | |
5142 | defsubr (&Sclose_font); | |
5143 | defsubr (&Squery_font); | |
a7840ffb | 5144 | defsubr (&Sfont_get_glyphs); |
ec6fe57c | 5145 | defsubr (&Sfont_match_p); |
10d16101 | 5146 | defsubr (&Sfont_at); |
c2f5bfd6 KH |
5147 | #if 0 |
5148 | defsubr (&Sdraw_string); | |
5149 | #endif | |
5150 | #endif /* FONT_DEBUG */ | |
a266686a | 5151 | #ifdef HAVE_WINDOW_SYSTEM |
72606e45 | 5152 | defsubr (&Sfont_info); |
a266686a | 5153 | #endif |
c2f5bfd6 | 5154 | |
29208e82 | 5155 | DEFVAR_LISP ("font-encoding-alist", Vfont_encoding_alist, |
819e81df KH |
5156 | doc: /* |
5157 | Alist of fontname patterns vs the corresponding encoding and repertory info. | |
5158 | Each element looks like (REGEXP . (ENCODING . REPERTORY)), | |
5159 | where ENCODING is a charset or a char-table, | |
5160 | and REPERTORY is a charset, a char-table, or nil. | |
5161 | ||
027a33c0 | 5162 | If ENCODING and REPERTORY are the same, the element can have the form |
819e81df KH |
5163 | \(REGEXP . ENCODING). |
5164 | ||
5165 | ENCODING is for converting a character to a glyph code of the font. | |
5166 | If ENCODING is a charset, encoding a character by the charset gives | |
5167 | the corresponding glyph code. If ENCODING is a char-table, looking up | |
5168 | the table by a character gives the corresponding glyph code. | |
5169 | ||
5170 | REPERTORY specifies a repertory of characters supported by the font. | |
91af3942 | 5171 | If REPERTORY is a charset, all characters belonging to the charset are |
819e81df | 5172 | supported. If REPERTORY is a char-table, all characters who have a |
027a33c0 | 5173 | non-nil value in the table are supported. If REPERTORY is nil, Emacs |
819e81df KH |
5174 | gets the repertory information by an opened font and ENCODING. */); |
5175 | Vfont_encoding_alist = Qnil; | |
5176 | ||
933ac235 SM |
5177 | /* FIXME: These 3 vars are not quite what they appear: setq on them |
5178 | won't have any effect other than disconnect them from the style | |
5179 | table used by the font display code. So we make them read-only, | |
5180 | to avoid this confusing situation. */ | |
5181 | ||
29208e82 | 5182 | DEFVAR_LISP_NOPRO ("font-weight-table", Vfont_weight_table, |
d0ab1ebe KH |
5183 | doc: /* Vector of valid font weight values. |
5184 | Each element has the form: | |
5185 | [NUMERIC-VALUE SYMBOLIC-NAME ALIAS-NAME ...] | |
17ab8f5d | 5186 | NUMERIC-VALUE is an integer, and SYMBOLIC-NAME and ALIAS-NAME are symbols. */); |
d0ab1ebe | 5187 | Vfont_weight_table = BUILD_STYLE_TABLE (weight_table); |
933ac235 | 5188 | XSYMBOL (intern_c_string ("font-weight-table"))->constant = 1; |
d0ab1ebe | 5189 | |
29208e82 | 5190 | DEFVAR_LISP_NOPRO ("font-slant-table", Vfont_slant_table, |
d0ab1ebe | 5191 | doc: /* Vector of font slant symbols vs the corresponding numeric values. |
17ab8f5d | 5192 | See `font-weight-table' for the format of the vector. */); |
d0ab1ebe | 5193 | Vfont_slant_table = BUILD_STYLE_TABLE (slant_table); |
933ac235 | 5194 | XSYMBOL (intern_c_string ("font-slant-table"))->constant = 1; |
d0ab1ebe | 5195 | |
29208e82 | 5196 | DEFVAR_LISP_NOPRO ("font-width-table", Vfont_width_table, |
d0ab1ebe | 5197 | doc: /* Alist of font width symbols vs the corresponding numeric values. |
17ab8f5d | 5198 | See `font-weight-table' for the format of the vector. */); |
d0ab1ebe | 5199 | Vfont_width_table = BUILD_STYLE_TABLE (width_table); |
933ac235 | 5200 | XSYMBOL (intern_c_string ("font-width-table"))->constant = 1; |
d0ab1ebe KH |
5201 | |
5202 | staticpro (&font_style_table); | |
5203 | font_style_table = Fmake_vector (make_number (3), Qnil); | |
5204 | ASET (font_style_table, 0, Vfont_weight_table); | |
5205 | ASET (font_style_table, 1, Vfont_slant_table); | |
5206 | ASET (font_style_table, 2, Vfont_width_table); | |
5207 | ||
29208e82 | 5208 | DEFVAR_LISP ("font-log", Vfont_log, doc: /* |
d0ab1ebe KH |
5209 | *Logging list of font related actions and results. |
5210 | The value t means to suppress the logging. | |
5211 | The initial value is set to nil if the environment variable | |
5212 | EMACS_FONT_LOG is set. Otherwise, it is set to t. */); | |
5213 | Vfont_log = Qnil; | |
5214 | ||
819e81df | 5215 | #ifdef HAVE_WINDOW_SYSTEM |
c2f5bfd6 | 5216 | #ifdef HAVE_FREETYPE |
35027d0c | 5217 | syms_of_ftfont (); |
c2f5bfd6 | 5218 | #ifdef HAVE_X_WINDOWS |
35027d0c KH |
5219 | syms_of_xfont (); |
5220 | syms_of_ftxfont (); | |
c2f5bfd6 | 5221 | #ifdef HAVE_XFT |
35027d0c | 5222 | syms_of_xftfont (); |
c2f5bfd6 KH |
5223 | #endif /* HAVE_XFT */ |
5224 | #endif /* HAVE_X_WINDOWS */ | |
5225 | #else /* not HAVE_FREETYPE */ | |
5226 | #ifdef HAVE_X_WINDOWS | |
35027d0c | 5227 | syms_of_xfont (); |
c2f5bfd6 KH |
5228 | #endif /* HAVE_X_WINDOWS */ |
5229 | #endif /* not HAVE_FREETYPE */ | |
5230 | #ifdef HAVE_BDFFONT | |
35027d0c | 5231 | syms_of_bdffont (); |
c2f5bfd6 KH |
5232 | #endif /* HAVE_BDFFONT */ |
5233 | #ifdef WINDOWSNT | |
35027d0c | 5234 | syms_of_w32font (); |
c2f5bfd6 | 5235 | #endif /* WINDOWSNT */ |
edfda783 AR |
5236 | #ifdef HAVE_NS |
5237 | syms_of_nsfont (); | |
5238 | #endif /* HAVE_NS */ | |
819e81df | 5239 | #endif /* HAVE_WINDOW_SYSTEM */ |
c2f5bfd6 | 5240 | } |
885b7d09 | 5241 | |
652b9560 | 5242 | void |
971de7fb | 5243 | init_font (void) |
652b9560 KH |
5244 | { |
5245 | Vfont_log = egetenv ("EMACS_FONT_LOG") ? Qnil : Qt; | |
5246 | } |