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[bpt/emacs.git] / src / ftfont.c
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c2f5bfd6 1/* ftfont.c -- FreeType font driver.
77ad4cfe
GM		 2 Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc.
3 Copyright (C) 2006, 2007, 2008
c2f5bfd6
KH		 4 National Institute of Advanced Industrial Science and Technology (AIST)
5 Registration Number H13PRO009
6
7This file is part of GNU Emacs.
8
9ec0b715 9GNU Emacs is free software: you can redistribute it and/or modify
c2f5bfd6 10it under the terms of the GNU General Public License as published by
9ec0b715
GM		 11the Free Software Foundation, either version 3 of the License, or
12(at your option) any later version.
c2f5bfd6
KH		 13
14GNU Emacs is distributed in the hope that it will be useful,
15but WITHOUT ANY WARRANTY; without even the implied warranty of
16MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17GNU General Public License for more details.
18
19You should have received a copy of the GNU General Public License
9ec0b715 20along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
c2f5bfd6
KH		 21
22#include <config.h>
23#include <stdio.h>
24
c2f5bfd6
KH		 25#include <fontconfig/fontconfig.h>
26#include <fontconfig/fcfreetype.h>
27
28#include "lisp.h"
29#include "dispextern.h"
30#include "frame.h"
31#include "blockinput.h"
32#include "character.h"
33#include "charset.h"
34#include "coding.h"
35#include "fontset.h"
36#include "font.h"
de023c40 37#include "ftfont.h"
c2f5bfd6 38
c2801c99 39/* Symbolic type of this font-driver. */
c2f5bfd6
KH		 40Lisp_Object Qfreetype;
41
706b6995
KH		 42/* Fontconfig's generic families and their aliases. */
43static Lisp_Object Qmonospace, Qsans_serif, Qserif, Qmono, Qsans, Qsans__serif;
44
c2801c99 45/* Flag to tell if FcInit is areadly called or not. */
c2f5bfd6 46static int fc_initialized;
c2801c99
KH		 47
48/* Handle to a FreeType library instance. */
c2f5bfd6
KH		 49static FT_Library ft_library;
50
c2801c99 51/* Cache for FreeType fonts. */
c2f5bfd6
KH		 52static Lisp_Object freetype_font_cache;
53
21988a08
KH		 54/* Cache for FT_Face */
55static Lisp_Object ft_face_cache;
c2f5bfd6
KH		 56
57/* The actual structure for FreeType font that can be casted to struct
58 font. */
59
60struct ftfont_info
61{
62 struct font font;
63 FT_Size ft_size;
21988a08 64 int fc_charset_idx;
de023c40
KH		 65#ifdef HAVE_LIBOTF
66 int maybe_otf; /* Flag to tell if this may be OTF or not. */
67 OTF *otf;
68#endif /* HAVE_LIBOTF */
c2f5bfd6
KH		 69};
70
21988a08
KH		 71static Lisp_Object ftfont_pattern_entity P_ ((FcPattern *, Lisp_Object, int));
72
318548be 73static Lisp_Object ftfont_resolve_generic_family P_ ((Lisp_Object));
0b966021 74Lisp_Object ftfont_font_format P_ ((FcPattern *));
706b6995
KH		 75
76#define SYMBOL_FcChar8(SYM) (FcChar8 *) SDATA (SYMBOL_NAME (SYM))
77
21988a08 78static struct
c2f5bfd6 79{
21988a08
KH		 80 /* charset name */
81 char *name;
82 /* characters to distinguish the charset from the others */
83 int uniquifier[6];
84 /* set in syms_of_ftfont */
85 int charset_id;
86 /* set on demand */
87 FcCharSet *fc_charset;
88} fc_charset_table[] =
89 { { "iso-8859-1", { 0x00A0, 0x00A1, 0x00B4, 0x00BC, 0x00D0 }, -1 },
90 { "iso-8859-2", { 0x00A0, 0x010E }},
91 { "iso-8859-3", { 0x00A0, 0x0108 }},
92 { "iso-8859-4", { 0x00A0, 0x00AF, 0x0128, 0x0156, 0x02C7 }},
93 { "iso-8859-5", { 0x00A0, 0x0401 }},
94 { "iso-8859-6", { 0x00A0, 0x060C }},
95 { "iso-8859-7", { 0x00A0, 0x0384 }},
96 { "iso-8859-8", { 0x00A0, 0x05D0 }},
97 { "iso-8859-9", { 0x00A0, 0x00A1, 0x00BC, 0x011E }},
98 { "iso-8859-10", { 0x00A0, 0x00D0, 0x0128, 0x2015 }},
99 { "iso-8859-11", { 0x00A0, 0x0E01 }},
100 { "iso-8859-13", { 0x00A0, 0x201C }},
101 { "iso-8859-14", { 0x00A0, 0x0174 }},
102 { "iso-8859-15", { 0x00A0, 0x00A1, 0x00D0, 0x0152 }},
103 { "iso-8859-16", { 0x00A0, 0x0218}},
104 { "chinese-gb2312", { 0x4E13 }},
105 { "big5", { 0xF6B1 }},
106 { "japanese-jisx0208", { 0x4E55 }},
107 { "korean-ksc5601", { 0xAC00 }},
108 { "chinese-cns11643-1", { 0xFE32 }},
109 { "chinese-cns11643-2", { 0x4E33, 0x7934 }},
110 { "chinese-cns11643-3", { 0x201A9 }},
111 { "chinese-cns11643-4", { 0x20057 }},
112 { "chinese-cns11643-5", { 0x20000 }},
113 { "chinese-cns11643-6", { 0x20003 }},
114 { "chinese-cns11643-7", { 0x20055 }},
115 { "chinese-gbk", { 0x4E06 }},
116 { "japanese-jisx0212", { 0x4E44 }},
117 { "japanese-jisx0213-1", { 0xFA10 }},
118 { "japanese-jisx0213-2", { 0xFA49 }},
119 { "japanese-jisx0213.2004-1", { 0x20B9F }},
120 { "viscii", { 0x1EA0, 0x1EAE, 0x1ED2 }},
121 { "tis620", { 0x0E01 }},
122 { "windows-1251", { 0x0401, 0x0490 }},
123 { "koi8-r", { 0x0401, 0x2219 }},
124 { "mule-lao", { 0x0E81 }},
125 { NULL }
126 };
c2f5bfd6 127
42984a74
KH		 128extern Lisp_Object Qc, Qm, Qp, Qd;
129
706b6995 130static Lisp_Object
21988a08 131ftfont_pattern_entity (p, registry, fc_charset_idx)
c2801c99 132 FcPattern *p;
42984a74 133 Lisp_Object registry;
21988a08 134 int fc_charset_idx;
c2801c99
KH		 135{
136 Lisp_Object entity;
21988a08 137 char *file, *str;
c2801c99
KH		 138 int numeric;
139 double dbl;
42984a74 140 FcBool b;
c2801c99 141
21988a08 142 if (FcPatternGetString (p, FC_FILE, 0, (FcChar8 **) &file) != FcResultMatch)
c2801c99 143 return Qnil;
c2801c99 144
42984a74 145 entity = font_make_entity ();
c2801c99
KH		 146
147 ASET (entity, FONT_TYPE_INDEX, Qfreetype);
148 ASET (entity, FONT_REGISTRY_INDEX, registry);
c2801c99 149
21988a08 150 if (FcPatternGetString (p, FC_FOUNDRY, 0, (FcChar8 **) &str) == FcResultMatch)
42984a74 151 ASET (entity, FONT_FOUNDRY_INDEX, font_intern_prop (str, strlen (str)));
21988a08 152 if (FcPatternGetString (p, FC_FAMILY, 0, (FcChar8 **) &str) == FcResultMatch)
42984a74 153 ASET (entity, FONT_FAMILY_INDEX, font_intern_prop (str, strlen (str)));
c2801c99 154 if (FcPatternGetInteger (p, FC_WEIGHT, 0, &numeric) == FcResultMatch)
f63d54dc 155 {
42984a74
KH		 156 if (numeric >= FC_WEIGHT_REGULAR && numeric < FC_WEIGHT_MEDIUM)
157 numeric = FC_WEIGHT_MEDIUM;
158 FONT_SET_STYLE (entity, FONT_WEIGHT_INDEX, make_number (numeric));
f63d54dc 159 }
c2801c99 160 if (FcPatternGetInteger (p, FC_SLANT, 0, &numeric) == FcResultMatch)
42984a74
KH		 161 {
162 numeric += 100;
163 FONT_SET_STYLE (entity, FONT_SLANT_INDEX, make_number (numeric));
164 }
c2801c99 165 if (FcPatternGetInteger (p, FC_WIDTH, 0, &numeric) == FcResultMatch)
42984a74
KH		 166 {
167 FONT_SET_STYLE (entity, FONT_WIDTH_INDEX, make_number (numeric));
168 }
c2801c99
KH		 169 if (FcPatternGetDouble (p, FC_PIXEL_SIZE, 0, &dbl) == FcResultMatch)
170 ASET (entity, FONT_SIZE_INDEX, make_number (dbl));
171 else
172 ASET (entity, FONT_SIZE_INDEX, make_number (0));
42984a74
KH		 173 if (FcPatternGetInteger (p, FC_SPACING, 0, &numeric) == FcResultMatch)
174 ASET (entity, FONT_SPACING_INDEX, make_number (numeric));
175 if (FcPatternGetDouble (p, FC_DPI, 0, &dbl) == FcResultMatch)
176 {
177 int dpi = dbl;
178 ASET (entity, FONT_DPI_INDEX, make_number (dpi));
179 }
180 if (FcPatternGetBool (p, FC_SCALABLE, 0, &b) == FcResultMatch
181 && b == FcTrue)
182 ASET (entity, FONT_AVGWIDTH_INDEX, make_number (0));
c2801c99 183
21988a08
KH		 184 font_put_extra (entity, QCfont_entity,
185 Fcons (make_unibyte_string ((char *) file,
186 strlen ((char *) file)),
187 make_number (fc_charset_idx)));
c2801c99
KH		 188 return entity;
189}
190
42984a74 191
706b6995
KH		 192static Lisp_Object ftfont_generic_family_list;
193
194static Lisp_Object
318548be 195ftfont_resolve_generic_family (family)
42984a74 196 Lisp_Object family;
706b6995 197{
318548be
KH		 198 Lisp_Object slot;
199 FcPattern *pattern = NULL, *match;
200 FcResult result;
706b6995 201
318548be 202 family = Fintern (Fdowncase (SYMBOL_NAME (family)), Qnil);
706b6995
KH		 203 if (EQ (family, Qmono))
204 family = Qmonospace;
205 else if (EQ (family, Qsans) || EQ (family, Qsans__serif))
206 family = Qsans_serif;
207 slot = assq_no_quit (family, ftfont_generic_family_list);
208 if (! CONSP (slot))
42984a74 209 return Qnil;
318548be
KH		 210 if (! EQ (XCDR (slot), Qt))
211 return XCDR (slot);
42984a74
KH		 212 pattern = FcPatternBuild (NULL, FC_FAMILY, FcTypeString,
213 SYMBOL_FcChar8 (family), (char *) 0);
214 if (! pattern)
215 goto err;
42984a74 216 FcConfigSubstitute (NULL, pattern, FcMatchPattern);
318548be
KH		 217 FcDefaultSubstitute (pattern);
218 match = FcFontMatch (NULL, pattern, &result);
219 if (match)
706b6995 220 {
318548be
KH		 221 FcChar8 *fam;
222
223 if (FcPatternGetString (match, FC_FAMILY, 0, &fam) == FcResultMatch)
224 family = intern ((char *) fam);
706b6995 225 }
318548be
KH		 226 else
227 family = Qnil;
228 XSETCDR (slot, family);
42984a74 229 err:
318548be 230 if (match) FcPatternDestroy (match);
42984a74 231 if (pattern) FcPatternDestroy (pattern);
318548be 232 return family;
706b6995
KH		 233}
234
21988a08
KH		 235Lisp_Object
236ftfont_lookup_cache (filename)
237 Lisp_Object filename;
238{
239 Lisp_Object cache, val;
240
241 cache = assoc_no_quit (filename, ft_face_cache);
242 if (NILP (cache))
243 {
244 val = make_save_value (NULL, 0);
245 cache = Fcons (filename, val);
246 ft_face_cache = Fcons (cache, ft_face_cache);
247 }
248 else
249 val = XCDR (cache);
250 if (! XSAVE_VALUE (val)->pointer)
251 {
252 FT_Face ft_face;
253
254 if (! ft_library
255 && FT_Init_FreeType (&ft_library) != 0)
256 return Qnil;
257 if (FT_New_Face (ft_library, (char *) SDATA (filename), 0, &ft_face) != 0)
258 return Qnil;
259 XSAVE_VALUE (val)->pointer = ft_face;
260 }
261 return cache;
262}
263
77175228 264static Lisp_Object ftfont_get_cache P_ ((FRAME_PTR));
c2f5bfd6 265static Lisp_Object ftfont_list P_ ((Lisp_Object, Lisp_Object));
8daf5667 266static Lisp_Object ftfont_match P_ ((Lisp_Object, Lisp_Object));
c2f5bfd6 267static Lisp_Object ftfont_list_family P_ ((Lisp_Object));
42984a74 268static Lisp_Object ftfont_open P_ ((FRAME_PTR, Lisp_Object, int));
c2f5bfd6
KH		 269static void ftfont_close P_ ((FRAME_PTR, struct font *));
270static int ftfont_has_char P_ ((Lisp_Object, int));
271static unsigned ftfont_encode_char P_ ((struct font *, int));
272static int ftfont_text_extents P_ ((struct font *, unsigned *, int,
273 struct font_metrics *));
274static int ftfont_get_bitmap P_ ((struct font *, unsigned,
275 struct font_bitmap *, int));
276static int ftfont_anchor_point P_ ((struct font *, unsigned, int,
277 int *, int *));
de023c40 278static Lisp_Object ftfont_shape P_ ((Lisp_Object));
c2f5bfd6
KH		 279
280struct font_driver ftfont_driver =
281 {
09a56ce4 282 0, /* Qfreetype */
42984a74 283 0, /* case insensitive */
c2f5bfd6 284 ftfont_get_cache,
c2f5bfd6 285 ftfont_list,
8daf5667 286 ftfont_match,
c2f5bfd6 287 ftfont_list_family,
42984a74 288 NULL,
c2f5bfd6
KH		 289 ftfont_open,
290 ftfont_close,
291 /* We can't draw a text without device dependent functions. */
292 NULL,
293 NULL,
294 ftfont_has_char,
295 ftfont_encode_char,
296 ftfont_text_extents,
297 /* We can't draw a text without device dependent functions. */
298 NULL,
299 ftfont_get_bitmap,
300 NULL,
301 NULL,
302 NULL,
303 ftfont_anchor_point,
c2f5bfd6
KH		 304 NULL,
305 NULL,
de023c40
KH		 306 NULL,
307 NULL,
637ac44c 308#if defined (HAVE_M17N_FLT) && defined (HAVE_LIBOTF)
de023c40 309 ftfont_shape
637ac44c 310#else /* not (HAVE_M17N_FLT && HAVE_LIBOTF) */
c2f5bfd6 311 NULL
637ac44c 312#endif /* not (HAVE_M17N_FLT && HAVE_LIBOTF) */
c2f5bfd6
KH		 313 };
314
c2f5bfd6
KH		 315extern Lisp_Object QCname;
316
317static Lisp_Object
77175228
KH		 318ftfont_get_cache (f)
319 FRAME_PTR f;
c2f5bfd6 320{
c2f5bfd6
KH		 321 return freetype_font_cache;
322}
323
21988a08
KH		 324static int
325ftfont_get_charset (registry)
326 Lisp_Object registry;
327{
328 struct charset *encoding;
329 int i, j;
330
331 if (font_registry_charsets (registry, &encoding, NULL) < 0)
332 return -1;
333 if (fc_charset_table[0].charset_id < 0)
334 /* Setup charset_id field of all elements. */
335 for (i = 0; fc_charset_table[i].name; i++)
336 {
337 Lisp_Object sym = intern (fc_charset_table[i].name);
338
339 if (CHARSETP (sym))
340 fc_charset_table[i].charset_id = XINT (CHARSET_SYMBOL_ID (sym));
341 else
342 fc_charset_table[i].charset_id = -1;
343 }
344
345 for (i = 0; fc_charset_table[i].name; i++)
346 if (encoding->id == fc_charset_table[i].charset_id)
347 break;
348 if (! fc_charset_table[i].name)
349 return -1;
350 if (! fc_charset_table[i].fc_charset)
351 {
352 FcCharSet *charset = FcCharSetCreate ();
353 int *uniquifier = fc_charset_table[i].uniquifier;
354
355 if (! charset)
356 return -1;
357 for (j = 0; uniquifier[j]; j++)
358 if (! FcCharSetAddChar (charset, uniquifier[j]))
359 {
360 FcCharSetDestroy (charset);
361 return -1;
362 }
363 fc_charset_table[i].fc_charset = charset;
364 }
365 return i;
366}
367
cc63eaf9
KH		 368struct OpenTypeSpec
369{
16963817
KH		 370 Lisp_Object script;
371 unsigned int script_tag, langsys_tag;
cc63eaf9
KH		 372 int nfeatures[2];
373 unsigned int *features[2];
374};
375
7eb5d3d7 376#define OTF_SYM_TAG(SYM, TAG) \
cc63eaf9 377 do { \
7eb5d3d7
KH		 378 unsigned char *p = SDATA (SYMBOL_NAME (SYM)); \
379 TAG = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]; \
cc63eaf9
KH		 380 } while (0)
381
7eb5d3d7 382#define OTF_TAG_STR(TAG, P) \
cc63eaf9 383 do { \
7eb5d3d7
KH		 384 (P)[0] = (char) (TAG >> 24); \
385 (P)[1] = (char) ((TAG >> 16) & 0xFF); \
386 (P)[2] = (char) ((TAG >> 8) & 0xFF); \
387 (P)[3] = (char) (TAG & 0xFF); \
16963817 388 (P)[4] = '\0'; \
cc63eaf9
KH		 389 } while (0)
390
391static struct OpenTypeSpec *
392ftfont_get_open_type_spec (Lisp_Object otf_spec)
393{
394 struct OpenTypeSpec *spec = malloc (sizeof (struct OpenTypeSpec));
395 Lisp_Object val;
396 int i, j, negative;
397
398 if (! spec)
399 return NULL;
16963817 400 spec->script = XCAR (otf_spec);
43f4f91c 401 if (! NILP (spec->script))
16963817
KH		 402 {
403 OTF_SYM_TAG (spec->script, spec->script_tag);
404 val = assq_no_quit (spec->script, Votf_script_alist);
405 if (CONSP (val) && SYMBOLP (XCDR (val)))
406 spec->script = XCDR (val);
407 else
408 spec->script = Qnil;
409 }
cc63eaf9 410 else
16963817 411 spec->script_tag = 0x44464C54; /* "DFLT" */
cc63eaf9
KH		 412 otf_spec = XCDR (otf_spec);
413 val = XCAR (otf_spec);
414 if (! NILP (val))
16963817 415 OTF_SYM_TAG (val, spec->langsys_tag);
cc63eaf9 416 else
16963817 417 spec->langsys_tag = 0;
cc63eaf9
KH		 418 spec->nfeatures[0] = spec->nfeatures[1] = 0;
419 for (i = 0; i < 2; i++)
420 {
421 Lisp_Object len;
422
423 otf_spec = XCDR (otf_spec);
424 if (NILP (otf_spec))
425 break;
426 val = XCAR (otf_spec);
427 if (NILP (val))
428 continue;
429 len = Flength (val);
430 spec->features[i] = malloc (sizeof (int) * XINT (len));
431 if (! spec->features[i])
432 {
433 if (i > 0 && spec->features[0])
434 free (spec->features[0]);
435 free (spec);
436 return NULL;
437 }
438 for (j = 0, negative = 0; CONSP (val); val = XCDR (val))
439 {
440 if (NILP (XCAR (val)))
441 negative = 1;
442 else
443 {
444 unsigned int tag;
445
446 OTF_SYM_TAG (XCAR (val), tag);
447 spec->features[i][j++] = negative ? tag & 0x80000000 : tag;
448 }
449 }
450 spec->nfeatures[i] = j;
451 }
452 return spec;
453}
454
21988a08
KH		 455static FcPattern *ftfont_spec_pattern P_ ((Lisp_Object, int *, char *,
456 struct OpenTypeSpec **));
457
42984a74 458static FcPattern *
21988a08 459ftfont_spec_pattern (spec, fc_charset_idx, otlayout, otspec)
42984a74 460 Lisp_Object spec;
21988a08 461 int *fc_charset_idx;
42984a74
KH		 462 char *otlayout;
463 struct OpenTypeSpec **otspec;
c2f5bfd6 464{
21988a08 465 Lisp_Object tmp, extra;
c2f5bfd6
KH		 466 FcPattern *pattern = NULL;
467 FcCharSet *charset = NULL;
468 FcLangSet *langset = NULL;
42984a74
KH		 469 int n;
470 int dpi = -1;
bc9a2afe
KH		 471 int spacing = -1;
472 int scalable = -1;
42984a74
KH		 473 Lisp_Object name = Qnil;
474 Lisp_Object script = Qnil;
21988a08 475 Lisp_Object registry;
c2f5bfd6 476
63565713 477 if (! NILP (AREF (spec, FONT_ADSTYLE_INDEX))
42984a74
KH		 478 && SBYTES (SYMBOL_NAME (AREF (spec, FONT_ADSTYLE_INDEX))) > 0)
479 /* Fontconfig doesn't support adstyle property. */
480 return NULL;
481 if ((n = FONT_SLANT_NUMERIC (spec)) >= 0
482 && n < 100)
63565713 483 /* Fontconfig doesn't support reverse-italic/obligue. */
42984a74
KH		 484 return NULL;
485
486 if (INTEGERP (AREF (spec, FONT_DPI_INDEX)))
487 dpi = XINT (AREF (spec, FONT_DPI_INDEX));
488 if (INTEGERP (AREF (spec, FONT_SPACING_INDEX)))
489 spacing = XINT (AREF (spec, FONT_SPACING_INDEX));
490 if (INTEGERP (AREF (spec, FONT_AVGWIDTH_INDEX))
491 && XINT (AREF (spec, FONT_AVGWIDTH_INDEX)) == 0)
492 scalable = 1;
63565713 493
21988a08
KH		 494 registry = AREF (spec, FONT_REGISTRY_INDEX);
495 if (NILP (registry)
496 || EQ (registry, Qiso10646_1)
497 || EQ (registry, Qunicode_bmp)
498 || EQ (registry, Qunicode_sip))
499 *fc_charset_idx = -1;
500 else
c2f5bfd6 501 {
21988a08
KH		 502 *fc_charset_idx = ftfont_get_charset (registry);
503 if (*fc_charset_idx < 0)
42984a74 504 return NULL;
21988a08 505 charset = fc_charset_table[*fc_charset_idx].fc_charset;
c2f5bfd6
KH		 506 }
507
cc63eaf9 508 otlayout[0] = '\0';
8daf5667
KH		 509 for (extra = AREF (spec, FONT_EXTRA_INDEX);
510 CONSP (extra); extra = XCDR (extra))
c2f5bfd6 511 {
8daf5667
KH		 512 Lisp_Object key, val;
513
42984a74
KH		 514 key = XCAR (XCAR (extra)), val = XCDR (XCAR (extra));
515 if (EQ (key, QCdpi))
516 dpi = XINT (val);
517 else if (EQ (key, QCfc_unknown_spec))
518 name = val;
519 else if (EQ (key, QClang))
c2f5bfd6
KH		 520 {
521 langset = FcLangSetCreate ();
522 if (! langset)
523 goto err;
8daf5667 524 if (SYMBOLP (val))
c2f5bfd6 525 {
8daf5667 526 if (! FcLangSetAdd (langset, SYMBOL_FcChar8 (val)))
c2f5bfd6
KH		 527 goto err;
528 }
529 else
8daf5667
KH		 530 for (; CONSP (val); val = XCDR (val))
531 if (SYMBOLP (XCAR (val))
532 && ! FcLangSetAdd (langset, SYMBOL_FcChar8 (XCAR (val))))
533 goto err;
c2f5bfd6 534 }
42984a74
KH		 535 else if (EQ (key, QCname))
536 name = val;
537 else if (EQ (key, QCotf))
538 {
539 *otspec = ftfont_get_open_type_spec (val);
540 if (! *otspec)
541 return NULL;
542 strcat (otlayout, "otlayout:");
543 OTF_TAG_STR ((*otspec)->script_tag, otlayout + 9);
544 script = (*otspec)->script;
545 }
8daf5667
KH		 546 else if (EQ (key, QCscript))
547 script = val;
8daf5667
KH		 548 else if (EQ (key, QCscalable))
549 scalable = ! NILP (val);
550 }
c2f5bfd6 551
8daf5667
KH		 552 if (! NILP (script) && ! charset)
553 {
554 Lisp_Object chars = assq_no_quit (script, Vscript_representative_chars);
555
556 if (CONSP (chars))
557 {
558 charset = FcCharSetCreate ();
559 if (! charset)
560 goto err;
561 for (chars = XCDR (chars); CONSP (chars); chars = XCDR (chars))
562 if (CHARACTERP (XCAR (chars))
563 && ! FcCharSetAddChar (charset, XUINT (XCAR (chars))))
564 goto err;
c2f5bfd6
KH		 565 }
566 }
567
42984a74 568 pattern = NILP (name) ? FcPatternCreate () : FcNameParse (SDATA (name));
706b6995
KH		 569 if (! pattern)
570 goto err;
42984a74
KH		 571 FcPatternDel (pattern, FC_SIZE);
572 FcPatternDel (pattern, FC_PIXEL_SIZE);
318548be
KH		 573 FcPatternDel (pattern, FC_FOUNDRY);
574 FcPatternDel (pattern, FC_FAMILY);
706b6995 575 tmp = AREF (spec, FONT_FOUNDRY_INDEX);
42984a74 576 if (! NILP (tmp)
706b6995
KH		 577 && ! FcPatternAddString (pattern, FC_FOUNDRY, SYMBOL_FcChar8 (tmp)))
578 goto err;
318548be
KH		 579 tmp = AREF (spec, FONT_FAMILY_INDEX);
580 if (! NILP (tmp)
581 && ! FcPatternAddString (pattern, FC_FAMILY, SYMBOL_FcChar8 (tmp)))
582 goto err;
c2f5bfd6
KH		 583 if (charset
584 && ! FcPatternAddCharSet (pattern, FC_CHARSET, charset))
585 goto err;
586 if (langset
587 && ! FcPatternAddLangSet (pattern, FC_LANG, langset))
588 goto err;
bc9a2afe
KH		 589 if (dpi >= 0
590 && ! FcPatternAddDouble (pattern, FC_DPI, dpi))
591 goto err;
592 if (spacing >= 0
593 && ! FcPatternAddInteger (pattern, FC_SPACING, spacing))
594 goto err;
595 if (scalable >= 0
25a5d05b 596 && ! FcPatternAddBool (pattern, FC_SCALABLE, scalable ? FcTrue : FcFalse))
bc9a2afe 597 goto err;
42984a74 598 goto finish;
c2f5bfd6 599
42984a74
KH		 600 err:
601 /* We come here because of unexpected error in fontconfig API call
602 (usually insufficient memory). */
603 if (pattern)
604 {
605 FcPatternDestroy (pattern);
606 pattern = NULL;
607 }
608 if (*otspec)
609 {
610 if ((*otspec)->nfeatures[0] > 0)
611 free ((*otspec)->features[0]);
612 if ((*otspec)->nfeatures[1] > 0)
613 free ((*otspec)->features[1]);
614 free (*otspec);
615 *otspec = NULL;
616 }
617
618 finish:
42984a74 619 if (langset) FcLangSetDestroy (langset);
de24e3eb 620 if (charset && *fc_charset_idx < 0) FcCharSetDestroy (charset);
42984a74
KH		 621 return pattern;
622}
623
624static Lisp_Object
625ftfont_list (frame, spec)
626 Lisp_Object frame, spec;
627{
318548be 628 Lisp_Object val = Qnil, registry, family;
42984a74
KH		 629 int i;
630 FcPattern *pattern;
631 FcFontSet *fontset = NULL;
632 FcObjectSet *objset = NULL;
21988a08 633 int fc_charset_idx;
42984a74
KH		 634 char otlayout[15]; /* For "otlayout:XXXX" */
635 struct OpenTypeSpec *otspec = NULL;
636
637 if (! fc_initialized)
638 {
639 FcInit ();
640 fc_initialized = 1;
641 }
642
21988a08 643 pattern = ftfont_spec_pattern (spec, &fc_charset_idx, otlayout, &otspec);
42984a74
KH		 644 if (! pattern)
645 return Qnil;
318548be
KH		 646 registry = AREF (spec, FONT_REGISTRY_INDEX);
647 family = AREF (spec, FONT_FAMILY_INDEX);
648 if (! NILP (family))
649 {
650 Lisp_Object resolved;
651
652 resolved = ftfont_resolve_generic_family (family);
653 if (! NILP (resolved))
654 {
655 FcPatternDel (pattern, FC_FAMILY);
656 if (! FcPatternAddString (pattern, FC_FAMILY,
657 SYMBOL_FcChar8 (resolved)))
658 goto err;
659 }
660 }
661
706b6995 662 objset = FcObjectSetBuild (FC_FOUNDRY, FC_FAMILY, FC_WEIGHT, FC_SLANT,
42984a74 663 FC_WIDTH, FC_PIXEL_SIZE, FC_SPACING, FC_SCALABLE,
e907d979 664 FC_CHARSET, FC_FILE,
42984a74
KH		 665#ifdef FC_CAPABILITY
666 FC_CAPABILITY,
667#endif /* FC_CAPABILITY */
e907d979 668 NULL);
706b6995
KH		 669 if (! objset)
670 goto err;
42984a74 671
318548be
KH		 672 fontset = FcFontList (NULL, pattern, objset);
673 if (! fontset)
674 goto err;
675 for (i = 0; i < fontset->nfont; i++)
bc5f6c42 676 {
318548be 677 Lisp_Object entity;
f63d54dc 678
bc5f6c42 679#ifdef FC_CAPABILITY
318548be
KH		 680 if (otlayout[0])
681 {
682 FcChar8 *this;
a85f724a 683
318548be
KH		 684 if (FcPatternGetString (fontset->fonts[i], FC_CAPABILITY, 0,
685 &this) != FcResultMatch
686 || ! strstr ((char *) this, otlayout))
687 continue;
688 }
bc5f6c42 689#endif /* FC_CAPABILITY */
cc63eaf9 690#ifdef HAVE_LIBOTF
318548be
KH		 691 if (otspec)
692 {
693 FcChar8 *file;
694 OTF *otf;
695
696 if (FcPatternGetString (fontset->fonts[i], FC_FILE, 0, &file)
697 != FcResultMatch)
698 continue;
699 otf = OTF_open ((char *) file);
700 if (! otf)
701 continue;
702 if (OTF_check_features (otf, 1,
703 otspec->script_tag, otspec->langsys_tag,
704 otspec->features[0],
705 otspec->nfeatures[0]) != 1
706 || OTF_check_features (otf, 0,
707 otspec->script_tag, otspec->langsys_tag,
708 otspec->features[1],
709 otspec->nfeatures[1]) != 1)
710 continue;
c2f5bfd6 711 }
318548be
KH		 712#endif /* HAVE_LIBOTF */
713 entity = ftfont_pattern_entity (fontset->fonts[i], registry,
714 fc_charset_idx);
715 if (! NILP (entity))
716 val = Fcons (entity, val);
c2f5bfd6 717 }
318548be 718 font_add_log ("ftfont-list", spec, val);
c2f5bfd6
KH		 719 goto finish;
720
721 err:
722 /* We come here because of unexpected error in fontconfig API call
706b6995 723 (usually insufficient memory). */
c2f5bfd6
KH		 724 val = Qnil;
725
726 finish:
c2f5bfd6
KH		 727 if (objset) FcObjectSetDestroy (objset);
728 if (fontset) FcFontSetDestroy (fontset);
c2f5bfd6 729 if (pattern) FcPatternDestroy (pattern);
c2f5bfd6
KH		 730 return val;
731}
732
8daf5667
KH		 733static Lisp_Object
734ftfont_match (frame, spec)
735 Lisp_Object frame, spec;
736{
21988a08 737 Lisp_Object entity;
42984a74 738 FcPattern *pattern, *match = NULL;
8daf5667 739 FcResult result;
42984a74
KH		 740 char otlayout[15]; /* For "otlayout:XXXX" */
741 struct OpenTypeSpec *otspec = NULL;
21988a08 742 int fc_charset_idx;
8daf5667
KH		 743
744 if (! fc_initialized)
745 {
746 FcInit ();
747 fc_initialized = 1;
748 }
749
21988a08 750 pattern = ftfont_spec_pattern (spec, &fc_charset_idx, otlayout, &otspec);
42984a74 751 if (! pattern)
8daf5667
KH		 752 return Qnil;
753
42984a74 754 if (INTEGERP (AREF (spec, FONT_SIZE_INDEX)))
8daf5667 755 {
42984a74 756 FcValue value;
55082642 757
42984a74
KH		 758 value.type = FcTypeDouble;
759 value.u.d = XINT (AREF (spec, FONT_SIZE_INDEX));
760 FcPatternAdd (pattern, FC_PIXEL_SIZE, value, FcFalse);
761 }
762 if (FcConfigSubstitute (NULL, pattern, FcMatchPattern) == FcTrue)
763 {
764 FcDefaultSubstitute (pattern);
765 match = FcFontMatch (NULL, pattern, &result);
766 if (match)
8daf5667 767 {
21988a08 768 entity = ftfont_pattern_entity (match, Qunicode_bmp, fc_charset_idx);
42984a74
KH		 769 FcPatternDestroy (match);
770 if (! NILP (AREF (spec, FONT_FAMILY_INDEX))
771 && NILP (assq_no_quit (AREF (spec, FONT_FAMILY_INDEX),
772 ftfont_generic_family_list))
773 && NILP (Fstring_equal (AREF (spec, FONT_FAMILY_INDEX),
774 AREF (entity, FONT_FAMILY_INDEX))))
775 entity = Qnil;
8daf5667 776 }
8daf5667 777 }
42984a74 778 FcPatternDestroy (pattern);
8daf5667 779
318548be 780 font_add_log ("ftfont-match", spec, entity);
8daf5667
KH		 781 return entity;
782}
783
c2f5bfd6
KH		 784static Lisp_Object
785ftfont_list_family (frame)
786 Lisp_Object frame;
787{
788 Lisp_Object list;
789 FcPattern *pattern = NULL;
790 FcFontSet *fontset = NULL;
791 FcObjectSet *objset = NULL;
792 int i;
793
794 if (! fc_initialized)
795 {
796 FcInit ();
797 fc_initialized = 1;
798 }
799
800 pattern = FcPatternCreate ();
801 if (! pattern)
802 goto finish;
706b6995 803 objset = FcObjectSetBuild (FC_FAMILY, NULL);
c2f5bfd6
KH		 804 if (! objset)
805 goto finish;
806 fontset = FcFontList (NULL, pattern, objset);
807 if (! fontset)
808 goto finish;
809
810 list = Qnil;
811 for (i = 0; i < fontset->nfont; i++)
812 {
813 FcPattern *pat = fontset->fonts[i];
814 FcChar8 *str;
815
816 if (FcPatternGetString (pat, FC_FAMILY, 0, &str) == FcResultMatch)
42984a74 817 list = Fcons (intern ((char *) str), list);
c2f5bfd6
KH		 818 }
819
820 finish:
821 if (objset) FcObjectSetDestroy (objset);
822 if (fontset) FcFontSetDestroy (fontset);
823 if (pattern) FcPatternDestroy (pattern);
824
825 return list;
826}
827
828
42984a74 829static Lisp_Object
c2f5bfd6
KH		 830ftfont_open (f, entity, pixel_size)
831 FRAME_PTR f;
832 Lisp_Object entity;
833 int pixel_size;
834{
835 struct ftfont_info *ftfont_info;
836 struct font *font;
837 FT_Face ft_face;
838 FT_Size ft_size;
839 FT_UInt size;
21988a08
KH		 840 Lisp_Object val, filename, cache, font_object;
841 int fc_charset_idx;
c2f5bfd6 842 FcPattern *pattern;
21988a08 843 int scalable;
c2f5bfd6 844 int spacing;
42984a74
KH		 845 char name[256];
846 int i, len;
847 int upEM;
c2f5bfd6 848
42984a74
KH		 849 val = assq_no_quit (QCfont_entity, AREF (entity, FONT_EXTRA_INDEX));
850 if (! CONSP (val))
851 return Qnil;
852 val = XCDR (val);
21988a08
KH		 853 filename = XCAR (val);
854 fc_charset_idx = XINT (XCDR (val));
855 cache = ftfont_lookup_cache (filename);
856 if (NILP (cache))
857 return Qnil;
858 filename = XCAR (cache);
859 val = XCDR (cache);
860 ft_face = XSAVE_VALUE (val)->pointer;
861 if (XSAVE_VALUE (val)->integer > 0)
c2f5bfd6 862 {
21988a08 863 /* FT_Face in this cache is already used by the different size. */
c2f5bfd6 864 if (FT_New_Size (ft_face, &ft_size) != 0)
42984a74 865 return Qnil;
c2f5bfd6
KH		 866 if (FT_Activate_Size (ft_size) != 0)
867 {
868 FT_Done_Size (ft_size);
42984a74 869 return Qnil;
c2f5bfd6 870 }
21988a08
KH		 871 }
872 XSAVE_VALUE (val)->integer++;
c2f5bfd6
KH		 873 size = XINT (AREF (entity, FONT_SIZE_INDEX));
874 if (size == 0)
875 size = pixel_size;
876 if (FT_Set_Pixel_Sizes (ft_face, size, size) != 0)
877 {
878 if (XSAVE_VALUE (val)->integer == 0)
879 FT_Done_Face (ft_face);
42984a74 880 return Qnil;
c2f5bfd6
KH		 881 }
882
42984a74
KH		 883 font_object = font_make_object (VECSIZE (struct ftfont_info));
884 ASET (font_object, FONT_TYPE_INDEX, Qfreetype);
885 for (i = 1;i < FONT_ENTITY_MAX; i++)
886 ASET (font_object, i, AREF (entity, i));
887 ASET (font_object, FONT_SIZE_INDEX, make_number (size));
888 len = font_unparse_xlfd (entity, size, name, 256);
889 if (len > 0)
890 ASET (font_object, FONT_NAME_INDEX, make_unibyte_string (name, len));
891 len = font_unparse_fcname (entity, size, name, 256);
892 if (len > 0)
893 ASET (font_object, FONT_FULLNAME_INDEX, make_unibyte_string (name, len));
894 else
895 ASET (font_object, FONT_FULLNAME_INDEX,
896 AREF (font_object, FONT_NAME_INDEX));
21988a08 897 ASET (font_object, FONT_FILE_INDEX, filename);
42984a74
KH		 898 ASET (font_object, FONT_FORMAT_INDEX, ftfont_font_format (pattern));
899 font = XFONT_OBJECT (font_object);
900 ftfont_info = (struct ftfont_info *) font;
21988a08
KH		 901 ftfont_info->ft_size = ft_face->size;
902 ftfont_info->fc_charset_idx = fc_charset_idx;
0d674a05 903#ifdef HAVE_LIBOTF
de023c40
KH		 904 ftfont_info->maybe_otf = ft_face->face_flags & FT_FACE_FLAG_SFNT;
905 ftfont_info->otf = NULL;
0d674a05 906#endif /* HAVE_LIBOTF */
c2f5bfd6
KH		 907 font->pixel_size = size;
908 font->driver = &ftfont_driver;
42984a74 909 font->encoding_charset = font->repertory_charset = -1;
c9c0c429 910
42984a74 911 upEM = ft_face->units_per_EM;
21988a08
KH		 912 scalable = (INTEGERP (AREF (entity, FONT_AVGWIDTH_INDEX))
913 && XINT (AREF (entity, FONT_AVGWIDTH_INDEX)) == 0);
42984a74
KH		 914 if (scalable)
915 {
916 font->ascent = ft_face->ascender * size / upEM;
917 font->descent = - ft_face->descender * size / upEM;
918 font->height = ft_face->height * size / upEM;
919 }
920 else
921 {
922 font->ascent = ft_face->size->metrics.ascender >> 6;
923 font->descent = - ft_face->size->metrics.descender >> 6;
924 font->height = ft_face->size->metrics.height >> 6;
c9c0c429 925 }
21988a08
KH		 926 if (INTEGERP (AREF (entity, FONT_SPACING_INDEX)))
927 spacing = XINT (AREF (entity, FONT_SPACING_INDEX));
928 else
c9c0c429
KH		 929 spacing = FC_PROPORTIONAL;
930 if (spacing != FC_PROPORTIONAL)
42984a74
KH		 931 font->min_width = font->average_width = font->space_width
932 = (scalable ? ft_face->max_advance_width * size / upEM
933 : ft_face->size->metrics.max_advance >> 6);
c2f5bfd6
KH		 934 else
935 {
42984a74 936 int n;
c2f5bfd6 937
42984a74
KH		 938 font->min_width = font->average_width = font->space_width = 0;
939 for (i = 32, n = 0; i < 127; i++)
940 if (FT_Load_Char (ft_face, i, FT_LOAD_DEFAULT) != 0)
941 {
942 int this_width = ft_face->glyph->metrics.horiAdvance >> 6;
943
944 if (this_width > 0
945 && (! font->min_width || font->min_width > this_width))
946 font->min_width = this_width;
947 if (i == 32)
948 font->space_width = this_width;
949 font->average_width += this_width;
950 n++;
951 }
952 if (n > 0)
953 font->average_width /= n;
c2f5bfd6
KH		 954 }
955
42984a74
KH		 956 font->baseline_offset = 0;
957 font->relative_compose = 0;
958 font->default_ascent = 0;
959 font->vertical_centering = 0;
960 if (scalable)
961 {
962 font->underline_position = -ft_face->underline_position * size / upEM;
963 font->underline_thickness = -ft_face->underline_thickness * size / upEM;
964 }
965 else
966 {
967 font->underline_position = -1;
968 font->underline_thickness = 0;
969 }
c2f5bfd6 970
42984a74 971 return font_object;
c2f5bfd6
KH		 972}
973
974static void
975ftfont_close (f, font)
976 FRAME_PTR f;
977 struct font *font;
978{
979 struct ftfont_info *ftfont_info = (struct ftfont_info *) font;
21988a08 980 Lisp_Object val, cache;
c2f5bfd6 981
21988a08
KH		 982 cache = ftfont_lookup_cache (font->props[FONT_FILE_INDEX]);
983 val = XCDR (cache);
c2f5bfd6
KH		 984 (XSAVE_VALUE (val)->integer)--;
985 if (XSAVE_VALUE (val)->integer == 0)
de023c40 986 {
21988a08
KH		 987 FT_Face ft_face = XSAVE_VALUE (val)->pointer;
988
989 FT_Done_Face (ft_face);
de023c40
KH		 990#ifdef HAVE_LIBOTF
991 if (ftfont_info->otf)
992 OTF_close (ftfont_info->otf);
993#endif
21988a08 994 XSAVE_VALUE (val)->pointer = NULL;
de023c40 995 }
c2f5bfd6
KH		 996 else
997 FT_Done_Size (ftfont_info->ft_size);
c2f5bfd6
KH		 998}
999
1000static int
1001ftfont_has_char (entity, c)
1002 Lisp_Object entity;
1003 int c;
1004{
1005 Lisp_Object val;
21988a08
KH		 1006 int fc_charset_idx;
1007 struct charset *charset;
c2f5bfd6 1008
42984a74 1009 val = assq_no_quit (QCfont_entity, AREF (entity, FONT_EXTRA_INDEX));
21988a08
KH		 1010 fc_charset_idx = XINT (XCDR (XCDR (val)));
1011 if (fc_charset_idx < 0)
c2801c99 1012 return -1;
21988a08
KH		 1013 charset = CHARSET_FROM_ID (fc_charset_table[fc_charset_idx].charset_id);
1014 return (ENCODE_CHAR (charset, c) != CHARSET_INVALID_CODE (charset));
c2f5bfd6
KH		 1015}
1016
1017static unsigned
1018ftfont_encode_char (font, c)
1019 struct font *font;
1020 int c;
1021{
1022 struct ftfont_info *ftfont_info = (struct ftfont_info *) font;
1023 FT_Face ft_face = ftfont_info->ft_size->face;
1024 FT_ULong charcode = c;
1025 FT_UInt code = FT_Get_Char_Index (ft_face, charcode);
1026
4cec6061 1027 return (code > 0 ? code : FONT_INVALID_CODE);
c2f5bfd6
KH		 1028}
1029
1030static int
1031ftfont_text_extents (font, code, nglyphs, metrics)
1032 struct font *font;
1033 unsigned *code;
1034 int nglyphs;
1035 struct font_metrics *metrics;
1036{
1037 struct ftfont_info *ftfont_info = (struct ftfont_info *) font;
1038 FT_Face ft_face = ftfont_info->ft_size->face;
1039 int width = 0;
1040 int i;
1041
1042 if (ftfont_info->ft_size != ft_face->size)
1043 FT_Activate_Size (ftfont_info->ft_size);
1044 if (metrics)
1045 bzero (metrics, sizeof (struct font_metrics));
1046 for (i = 0; i < nglyphs; i++)
1047 {
1048 if (FT_Load_Glyph (ft_face, code[i], FT_LOAD_DEFAULT) == 0)
1049 {
1050 FT_Glyph_Metrics *m = &ft_face->glyph->metrics;
1051
1052 if (metrics)
1053 {
1054 if (metrics->lbearing > width + (m->horiBearingX >> 6))
1055 metrics->lbearing = width + (m->horiBearingX >> 6);
1056 if (metrics->rbearing
1057 < width + ((m->horiBearingX + m->width) >> 6))
1058 metrics->rbearing
1059 = width + ((m->horiBearingX + m->width) >> 6);
1060 if (metrics->ascent < (m->horiBearingY >> 6))
1061 metrics->ascent = m->horiBearingY >> 6;
1062 if (metrics->descent > ((m->horiBearingY + m->height) >> 6))
1063 metrics->descent = (m->horiBearingY + m->height) >> 6;
1064 }
1065 width += m->horiAdvance >> 6;
1066 }
1067 else
1068 {
42984a74 1069 width += font->space_width;
c2f5bfd6
KH		 1070 }
1071 }
1072 if (metrics)
1073 metrics->width = width;
1074
1075 return width;
1076}
1077
1078static int
1079ftfont_get_bitmap (font, code, bitmap, bits_per_pixel)
1080 struct font *font;
1081 unsigned code;
1082 struct font_bitmap *bitmap;
1083 int bits_per_pixel;
1084{
1085 struct ftfont_info *ftfont_info = (struct ftfont_info *) font;
1086 FT_Face ft_face = ftfont_info->ft_size->face;
1087 FT_Int32 load_flags = FT_LOAD_RENDER;
1088
1089 if (ftfont_info->ft_size != ft_face->size)
1090 FT_Activate_Size (ftfont_info->ft_size);
1091 if (bits_per_pixel == 1)
1092 {
1093#ifdef FT_LOAD_TARGET_MONO
1094 load_flags |= FT_LOAD_TARGET_MONO;
1095#else
1096 load_flags |= FT_LOAD_MONOCHROME;
1097#endif
1098 }
1099 else if (bits_per_pixel != 8)
1100 /* We don't support such a rendering. */
1101 return -1;
1102
1103 if (FT_Load_Glyph (ft_face, code, load_flags) != 0)
1104 return -1;
b51e5112
KH		 1105 bitmap->bits_per_pixel
1106 = (ft_face->glyph->bitmap.pixel_mode == FT_PIXEL_MODE_MONO ? 1
1107 : ft_face->glyph->bitmap.pixel_mode == FT_PIXEL_MODE_GRAY ? 8
1108 : ft_face->glyph->bitmap.pixel_mode == FT_PIXEL_MODE_LCD ? 8
1109 : ft_face->glyph->bitmap.pixel_mode == FT_PIXEL_MODE_LCD_V ? 8
1110 : -1);
1111 if (bitmap->bits_per_pixel < 0)
1112 /* We don't suport that kind of pixel mode. */
1113 return -1;
c2f5bfd6
KH		 1114 bitmap->rows = ft_face->glyph->bitmap.rows;
1115 bitmap->width = ft_face->glyph->bitmap.width;
1116 bitmap->pitch = ft_face->glyph->bitmap.pitch;
1117 bitmap->buffer = ft_face->glyph->bitmap.buffer;
1118 bitmap->left = ft_face->glyph->bitmap_left;
1119 bitmap->top = ft_face->glyph->bitmap_top;
1120 bitmap->advance = ft_face->glyph->metrics.horiAdvance >> 6;
1121 bitmap->extra = NULL;
1122
1123 return 0;
1124}
1125
1126static int
1127ftfont_anchor_point (font, code, index, x, y)
1128 struct font *font;
1129 unsigned code;
1130 int index;
1131 int *x, *y;
1132{
1133 struct ftfont_info *ftfont_info = (struct ftfont_info *) font;
1134 FT_Face ft_face = ftfont_info->ft_size->face;
1135
1136 if (ftfont_info->ft_size != ft_face->size)
1137 FT_Activate_Size (ftfont_info->ft_size);
1138 if (FT_Load_Glyph (ft_face, code, FT_LOAD_DEFAULT) != 0)
1139 return -1;
1140 if (ft_face->glyph->format != FT_GLYPH_FORMAT_OUTLINE)
1141 return -1;
1142 if (index >= ft_face->glyph->outline.n_points)
1143 return -1;
1144 *x = ft_face->glyph->outline.points[index].x;
1145 *y = ft_face->glyph->outline.points[index].y;
1146 return 0;
1147}
1148
de023c40
KH		 1149#ifdef HAVE_LIBOTF
1150#ifdef HAVE_M17N_FLT
1151
1152struct MFLTFontFT
1153{
1154 MFLTFont flt_font;
1155 struct font *font;
1156 FT_Face ft_face;
1157 OTF *otf;
1158};
1159
1160static int
1161ftfont_get_glyph_id (font, gstring, from, to)
1162 MFLTFont *font;
1163 MFLTGlyphString *gstring;
1164 int from, to;
1165{
1166 struct MFLTFontFT *flt_font_ft = (struct MFLTFontFT *) font;
1167 FT_Face ft_face = flt_font_ft->ft_face;
1168 MFLTGlyph *g;
1169
1170 for (g = gstring->glyphs + from; from < to; g++, from++)
1171 if (! g->encoded)
1172 {
1173 FT_UInt code = FT_Get_Char_Index (ft_face, g->code);
1174
1175 g->code = code > 0 ? code : FONT_INVALID_CODE;
1176 g->encoded = 1;
1177 }
1178 return 0;
1179}
1180
1181static int
1182ftfont_get_metrics (font, gstring, from, to)
1183 MFLTFont *font;
1184 MFLTGlyphString *gstring;
1185 int from, to;
1186{
1187 struct MFLTFontFT *flt_font_ft = (struct MFLTFontFT *) font;
1188 FT_Face ft_face = flt_font_ft->ft_face;
1189 MFLTGlyph *g;
1190
1191 for (g = gstring->glyphs + from; from < to; g++, from++)
1192 if (! g->measured)
1193 {
1194 if (g->code != FONT_INVALID_CODE)
1195 {
1196 FT_Glyph_Metrics *m;
1197
1198 if (FT_Load_Glyph (ft_face, g->code, FT_LOAD_DEFAULT) != 0)
1199 abort ();
1200 m = &ft_face->glyph->metrics;
1201
1202 g->lbearing = m->horiBearingX;
1203 g->rbearing = m->horiBearingX + m->width;
1204 g->ascent = m->horiBearingY;
1205 g->descent = m->height - m->horiBearingY;
1206 g->xadv = m->horiAdvance;
1207 }
1208 else
1209 {
1210 g->lbearing = 0;
42984a74 1211 g->rbearing = g->xadv = flt_font_ft->font->space_width << 6;
de023c40
KH		 1212 g->ascent = flt_font_ft->font->ascent << 6;
1213 g->descent = flt_font_ft->font->descent << 6;
1214 }
1215 g->yadv = 0;
1216 g->measured = 1;
1217 }
1218 return 0;
1219}
1220
1221static int
1222ftfont_check_otf (MFLTFont *font, MFLTOtfSpec *spec)
1223{
1224 struct MFLTFontFT *flt_font_ft = (struct MFLTFontFT *) font;
1225 OTF *otf = flt_font_ft->otf;
1226 OTF_Tag *tags;
1227 int i, n, negative;
1228
1229 for (i = 0; i < 2; i++)
1230 {
1231 if (! spec->features[i])
1232 continue;
1233 for (n = 0; spec->features[i][n]; n++);
1234 tags = alloca (sizeof (OTF_Tag) * n);
1235 for (n = 0, negative = 0; spec->features[i][n]; n++)
1236 {
1237 if (spec->features[i][n] == 0xFFFFFFFF)
1238 negative = 1;
1239 else if (negative)
1240 tags[n - 1] = spec->features[i][n] | 0x80000000;
1241 else
1242 tags[n] = spec->features[i][n];
1243 }
1244 if (n - negative > 0
1245 && OTF_check_features (otf, i == 0, spec->script, spec->langsys,
1246 tags, n - negative) != 1)
1247 return 0;
1248 }
1249 return 1;
1250}
1251
1252#define DEVICE_DELTA(table, size) \
1253 (((size) >= (table).StartSize && (size) <= (table).EndSize) \
1254 ? (table).DeltaValue[(size) - (table).StartSize] << 6 \
1255 : 0)
1256
1257static void
1258adjust_anchor (FT_Face ft_face, OTF_Anchor *anchor,
1259 unsigned code, int x_ppem, int y_ppem, int *x, int *y)
1260{
1261 if (anchor->AnchorFormat == 2)
1262 {
1263 FT_Outline *outline;
1264 int ap = anchor->f.f1.AnchorPoint;
1265
1266 FT_Load_Glyph (ft_face, (FT_UInt) code, FT_LOAD_MONOCHROME);
1267 outline = &ft_face->glyph->outline;
1268 if (ap < outline->n_points)
1269 {
1270 *x = outline->points[ap].x << 6;
1271 *y = outline->points[ap].y << 6;
1272 }
1273 }
1274 else if (anchor->AnchorFormat == 3)
1275 {
1276 if (anchor->f.f2.XDeviceTable.offset)
1277 *x += DEVICE_DELTA (anchor->f.f2.XDeviceTable, x_ppem);
1278 if (anchor->f.f2.YDeviceTable.offset)
1279 *y += DEVICE_DELTA (anchor->f.f2.YDeviceTable, y_ppem);
1280 }
1281}
1282
1283static OTF_GlyphString otf_gstring;
1284
1285static int
1286ftfont_drive_otf (font, spec, in, from, to, out, adjustment)
1287 MFLTFont *font;
1288 MFLTOtfSpec *spec;
1289 MFLTGlyphString *in;
1290 int from, to;
1291 MFLTGlyphString *out;
1292 MFLTGlyphAdjustment *adjustment;
1293{
1294 struct MFLTFontFT *flt_font_ft = (struct MFLTFontFT *) font;
1295 FT_Face ft_face = flt_font_ft->ft_face;
1296 OTF *otf = flt_font_ft->otf;
1297 int len = to - from;
1298 int i, j, gidx;
1299 OTF_Glyph *otfg;
1300 char script[5], *langsys = NULL;
1301 char *gsub_features = NULL, *gpos_features = NULL;
1302
1303 if (len == 0)
1304 return from;
1305 OTF_tag_name (spec->script, script);
1306 if (spec->langsys)
1307 {
1308 langsys = alloca (5);
1309 OTF_tag_name (spec->langsys, langsys);
1310 }
1311 for (i = 0; i < 2; i++)
1312 {
1313 char *p;
1314
1315 if (spec->features[i] && spec->features[i][1] != 0xFFFFFFFF)
1316 {
1317 for (j = 0; spec->features[i][j]; j++);
1318 if (i == 0)
1319 p = gsub_features = alloca (6 * j);
1320 else
1321 p = gpos_features = alloca (6 * j);
1322 for (j = 0; spec->features[i][j]; j++)
1323 {
1324 if (spec->features[i][j] == 0xFFFFFFFF)
1325 *p++ = '*', *p++ = ',';
1326 else
1327 {
1328 OTF_tag_name (spec->features[i][j], p);
1329 p[4] = ',';
1330 p += 5;
1331 }
1332 }
1333 *--p = '\0';
1334 }
1335 }
1336
1337 if (otf_gstring.size == 0)
1338 {
1339 otf_gstring.glyphs = (OTF_Glyph *) malloc (sizeof (OTF_Glyph) * len);
1340 otf_gstring.size = len;
1341 }
1342 else if (otf_gstring.size < len)
1343 {
1344 otf_gstring.glyphs = (OTF_Glyph *) realloc (otf_gstring.glyphs,
1345 sizeof (OTF_Glyph) * len);
1346 otf_gstring.size = len;
1347 }
1348 otf_gstring.used = len;
1349 memset (otf_gstring.glyphs, 0, sizeof (OTF_Glyph) * len);
1350 for (i = 0; i < len; i++)
1351 {
1352 otf_gstring.glyphs[i].c = in->glyphs[from + i].c;
1353 otf_gstring.glyphs[i].glyph_id = in->glyphs[from + i].code;
1354 }
1355
1356 OTF_drive_gdef (otf, &otf_gstring);
1357 gidx = out->used;
1358
1359 if (gsub_features)
1360 {
1361 if (OTF_drive_gsub (otf, &otf_gstring, script, langsys, gsub_features)
1362 < 0)
1363 goto simple_copy;
1364 if (out->allocated < out->used + otf_gstring.used)
1365 return -2;
7d2fd545 1366 for (i = 0, otfg = otf_gstring.glyphs; i < otf_gstring.used; )
de023c40 1367 {
7d2fd545
KH		 1368 MFLTGlyph *g;
1369 int min_from, max_to;
de023c40
KH		 1370 int j;
1371
7d2fd545 1372 g = out->glyphs + out->used;
de023c40 1373 *g = in->glyphs[from + otfg->f.index.from];
de023c40
KH		 1374 if (g->code != otfg->glyph_id)
1375 {
7d2fd545 1376 g->c = 0;
de023c40
KH		 1377 g->code = otfg->glyph_id;
1378 g->measured = 0;
1379 }
1380 out->used++;
7d2fd545
KH		 1381 min_from = g->from;
1382 max_to = g->to;
1383 if (otfg->f.index.from < otfg->f.index.to)
1384 {
1385 /* OTFG substitutes multiple glyphs in IN. */
1386 for (j = from + otfg->f.index.from + 1;
1387 j <= from + otfg->f.index.to; j++)
1388 {
1389 if (min_from > in->glyphs[j].from)
1390 min_from = in->glyphs[j].from;
1391 if (max_to < in->glyphs[j].to)
1392 max_to = in->glyphs[j].to;
1393 }
1394 g->from = min_from;
1395 g->to = max_to;
1396 }
1397 for (i++, otfg++; (i < otf_gstring.used
1398 && otfg->f.index.from == otfg[-1].f.index.from);
1399 i++, otfg++)
1400 {
1401 g = out->glyphs + out->used;
1402 *g = in->glyphs[from + otfg->f.index.to];
1403 if (g->code != otfg->glyph_id)
1404 {
1405 g->c = 0;
1406 g->code = otfg->glyph_id;
1407 g->measured = 0;
1408 }
1409 out->used++;
1410 }
de023c40
KH		 1411 }
1412 }
1413 else
1414 {
1415 if (out->allocated < out->used + len)
1416 return -2;
1417 for (i = 0; i < len; i++)
1418 out->glyphs[out->used++] = in->glyphs[from + i];
1419 }
1420
1421 if (gpos_features)
1422 {
1423 MFLTGlyph *base = NULL, *mark = NULL, *g;
1424 int x_ppem, y_ppem, x_scale, y_scale;
1425
1426 if (OTF_drive_gpos (otf, &otf_gstring, script, langsys, gpos_features)
1427 < 0)
1428 return to;
1429
1430 x_ppem = ft_face->size->metrics.x_ppem;
1431 y_ppem = ft_face->size->metrics.y_ppem;
1432 x_scale = ft_face->size->metrics.x_scale;
1433 y_scale = ft_face->size->metrics.y_scale;
1434
1435 for (i = 0, otfg = otf_gstring.glyphs, g = out->glyphs + gidx;
1436 i < otf_gstring.used; i++, otfg++, g++)
1437 {
1438 MFLTGlyph *prev;
1439
1440 if (! otfg->glyph_id)
1441 continue;
1442 switch (otfg->positioning_type)
1443 {
1444 case 0:
1445 break;
1446 case 1: /* Single */
1447 case 2: /* Pair */
1448 {
1449 int format = otfg->f.f1.format;
1450
1451 if (format & OTF_XPlacement)
1452 adjustment[i].xoff
1453 = otfg->f.f1.value->XPlacement * x_scale / 0x10000;
1454 if (format & OTF_XPlaDevice)
1455 adjustment[i].xoff
1456 += DEVICE_DELTA (otfg->f.f1.value->XPlaDevice, x_ppem);
1457 if (format & OTF_YPlacement)
1458 adjustment[i].yoff
1459 = - (otfg->f.f1.value->YPlacement * y_scale / 0x10000);
1460 if (format & OTF_YPlaDevice)
1461 adjustment[i].yoff
1462 -= DEVICE_DELTA (otfg->f.f1.value->YPlaDevice, y_ppem);
1463 if (format & OTF_XAdvance)
1464 adjustment[i].xadv
1465 += otfg->f.f1.value->XAdvance * x_scale / 0x10000;
1466 if (format & OTF_XAdvDevice)
1467 adjustment[i].xadv
1468 += DEVICE_DELTA (otfg->f.f1.value->XAdvDevice, x_ppem);
1469 if (format & OTF_YAdvance)
1470 adjustment[i].yadv
1471 += otfg->f.f1.value->YAdvance * y_scale / 0x10000;
1472 if (format & OTF_YAdvDevice)
1473 adjustment[i].yadv
1474 += DEVICE_DELTA (otfg->f.f1.value->YAdvDevice, y_ppem);
1475 adjustment[i].set = 1;
1476 }
1477 break;
1478 case 3: /* Cursive */
1479 /* Not yet supported. */
1480 break;
1481 case 4: /* Mark-to-Base */
1482 case 5: /* Mark-to-Ligature */
1483 if (! base)
1484 break;
1485 prev = base;
1486 goto label_adjust_anchor;
1487 default: /* i.e. case 6 Mark-to-Mark */
1488 if (! mark)
1489 break;
1490 prev = mark;
1491
1492 label_adjust_anchor:
1493 {
1494 int base_x, base_y, mark_x, mark_y;
1495 int this_from, this_to;
1496
1497 base_x = otfg->f.f4.base_anchor->XCoordinate * x_scale / 0x10000;
1498 base_y = otfg->f.f4.base_anchor->YCoordinate * y_scale / 0x10000;
1499 mark_x = otfg->f.f4.mark_anchor->XCoordinate * x_scale / 0x10000;
1500 mark_y = otfg->f.f4.mark_anchor->YCoordinate * y_scale / 0x10000;;
1501
1502 if (otfg->f.f4.base_anchor->AnchorFormat != 1)
1503 adjust_anchor (ft_face, otfg->f.f4.base_anchor,
1504 prev->code, x_ppem, y_ppem, &base_x, &base_y);
1505 if (otfg->f.f4.mark_anchor->AnchorFormat != 1)
1506 adjust_anchor (ft_face, otfg->f.f4.mark_anchor, g->code,
1507 x_ppem, y_ppem, &mark_x, &mark_y);
1508 adjustment[i].xoff = (base_x - mark_x);
1509 adjustment[i].yoff = - (base_y - mark_y);
1510 adjustment[i].back = (g - prev);
1511 adjustment[i].xadv = 0;
1512 adjustment[i].advance_is_absolute = 1;
1513 adjustment[i].set = 1;
1514 this_from = g->from;
1515 this_to = g->to;
1516 for (j = 0; prev + j < g; j++)
1517 {
1518 if (this_from > prev[j].from)
1519 this_from = prev[j].from;
1520 if (this_to < prev[j].to)
1521 this_to = prev[j].to;
1522 }
1523 for (; prev <= g; prev++)
1524 {
1525 prev->from = this_from;
1526 prev->to = this_to;
1527 }
1528 }
1529 }
1530 if (otfg->GlyphClass == OTF_GlyphClass0)
1531 base = mark = g;
1532 else if (otfg->GlyphClass == OTF_GlyphClassMark)
1533 mark = g;
1534 else
1535 base = g;
1536 }
1537 }
1538 return to;
1539
1540 simple_copy:
1541 if (out->allocated < out->used + len)
1542 return -2;
1543 font->get_metrics (font, in, from, to);
1544 memcpy (out->glyphs + out->used, in->glyphs + from,
1545 sizeof (MFLTGlyph) * len);
1546 out->used += len;
1547 return to;
1548}
1549
1550static MFLTGlyphString gstring;
1551
1552static int m17n_flt_initialized;
1553
1554extern Lisp_Object QCfamily;
1555
1556Lisp_Object
1557ftfont_shape_by_flt (lgstring, font, ft_face, otf)
1558 Lisp_Object lgstring;
1559 struct font *font;
1560 FT_Face ft_face;
1561 OTF *otf;
1562{
1563 EMACS_UINT len = LGSTRING_LENGTH (lgstring);
1564 EMACS_UINT i;
1565 struct MFLTFontFT flt_font_ft;
1566
1567 if (! m17n_flt_initialized)
1568 {
1569 M17N_INIT ();
1570 m17n_flt_initialized = 1;
1571 }
1572
1573 for (i = 0; i < len; i++)
1574 if (NILP (LGSTRING_GLYPH (lgstring, i)))
1575 break;
1576 len = i;
1577
1578 if (gstring.allocated == 0)
1579 {
1580 gstring.allocated = len * 2;
1581 gstring.glyph_size = sizeof (MFLTGlyph);
1582 gstring.glyphs = malloc (sizeof (MFLTGlyph) * gstring.allocated);
1583 }
1584 else if (gstring.allocated < len * 2)
1585 {
1586 gstring.allocated = len * 2;
1587 gstring.glyphs = realloc (gstring.glyphs,
1588 sizeof (MFLTGlyph) * gstring.allocated);
1589 }
1590 for (i = 0; i < len; i++)
1591 gstring.glyphs[i].c = LGLYPH_CHAR (LGSTRING_GLYPH (lgstring, i));
1592 gstring.used = len;
1593 gstring.r2l = 0;
1594
1595 {
1596 Lisp_Object family = Ffont_get (LGSTRING_FONT (lgstring), QCfamily);
1597
1598 if (NILP (family))
1599 flt_font_ft.flt_font.family = Mnil;
1600 else
21988a08
KH		 1601 flt_font_ft.flt_font.family
1602 = msymbol ((char *) SDATA (SYMBOL_NAME (family)));
de023c40
KH		 1603 }
1604 flt_font_ft.flt_font.x_ppem = ft_face->size->metrics.x_ppem;
1605 flt_font_ft.flt_font.y_ppem = ft_face->size->metrics.y_ppem;
1606 flt_font_ft.flt_font.get_glyph_id = ftfont_get_glyph_id;
1607 flt_font_ft.flt_font.get_metrics = ftfont_get_metrics;
1608 flt_font_ft.flt_font.check_otf = ftfont_check_otf;
1609 flt_font_ft.flt_font.drive_otf = ftfont_drive_otf;
1610 flt_font_ft.flt_font.internal = NULL;
1611 flt_font_ft.font = font;
1612 flt_font_ft.ft_face = ft_face;
1613 flt_font_ft.otf = otf;
1614 for (i = 0; i < 3; i++)
1615 {
1616 int result = mflt_run (&gstring, 0, len, &flt_font_ft.flt_font, NULL);
1617 if (result != -2)
1618 break;
1619 gstring.allocated += gstring.allocated;
1620 gstring.glyphs = realloc (gstring.glyphs,
1621 sizeof (MFLTGlyph) * gstring.allocated);
1622 }
1623 if (gstring.used > LGSTRING_LENGTH (lgstring))
1624 return Qnil;
1625 for (i = 0; i < gstring.used; i++)
1626 {
1627 MFLTGlyph *g = gstring.glyphs + i;
1628
1629 g->from = LGLYPH_FROM (LGSTRING_GLYPH (lgstring, g->from));
1630 g->to = LGLYPH_TO (LGSTRING_GLYPH (lgstring, g->to));
1631 }
1632
1633 for (i = 0; i < gstring.used; i++)
1634 {
1635 Lisp_Object lglyph = LGSTRING_GLYPH (lgstring, i);
1636 MFLTGlyph *g = gstring.glyphs + i;
1637
4cec6061
KH		 1638 if (NILP (lglyph))
1639 {
1640 lglyph = Fmake_vector (make_number (LGLYPH_SIZE), Qnil);
1641 LGSTRING_SET_GLYPH (lgstring, i, lglyph);
1642 }
de023c40
KH		 1643 LGLYPH_SET_FROM (lglyph, g->from);
1644 LGLYPH_SET_TO (lglyph, g->to);
1645 LGLYPH_SET_CHAR (lglyph, g->c);
1646 LGLYPH_SET_CODE (lglyph, g->code);
1647 LGLYPH_SET_WIDTH (lglyph, g->xadv >> 6);
1648 LGLYPH_SET_LBEARING (lglyph, g->lbearing >> 6);
1649 LGLYPH_SET_RBEARING (lglyph, g->rbearing >> 6);
1650 LGLYPH_SET_ASCENT (lglyph, g->ascent >> 6);
1651 LGLYPH_SET_DESCENT (lglyph, g->descent >> 6);
1652 if (g->adjusted)
1653 {
1654 Lisp_Object vec;
1655
1656 vec = Fmake_vector (make_number (3), Qnil);
1657 ASET (vec, 0, make_number (g->xoff >> 6));
1658 ASET (vec, 1, make_number (g->yoff >> 6));
1659 ASET (vec, 2, make_number (g->xadv >> 6));
1660 LGLYPH_SET_ADJUSTMENT (lglyph, vec);
1661 }
1662 }
1663 return make_number (i);
1664}
1665
1666Lisp_Object
1667ftfont_shape (lgstring)
1668 Lisp_Object lgstring;
1669{
1670 struct font *font;
1671 struct ftfont_info *ftfont_info;
1672
1673 CHECK_FONT_GET_OBJECT (LGSTRING_FONT (lgstring), font);
1674 ftfont_info = (struct ftfont_info *) font;
1675 if (! ftfont_info->maybe_otf)
4cc1c806 1676 return make_number (0);
de023c40
KH		 1677 if (! ftfont_info->otf)
1678 {
1679 OTF *otf = OTF_open_ft_face (ftfont_info->ft_size->face);
1680
1681 if (! otf || OTF_get_table (otf, "head") < 0)
1682 {
1683 if (otf)
1684 OTF_close (otf);
1685 ftfont_info->maybe_otf = 0;
4cc1c806 1686 return make_number (0);
de023c40
KH		 1687 }
1688
1689 ftfont_info->otf = otf;
1690 }
1691
1692 return ftfont_shape_by_flt (lgstring, font, ftfont_info->ft_size->face,
1693 ftfont_info->otf);
1694}
1695
1696#endif /* HAVE_M17N_FLT */
1697#endif /* HAVE_LIBOTF */
1698
0b966021
KH		 1699Lisp_Object
1700ftfont_font_format (FcPattern *pattern)
1701{
e907d979 1702 FcChar8 *str;
0b966021 1703
e907d979
KH		 1704#ifdef FC_FONTFORMAT
1705 if (FcPatternGetString (pattern, FC_FONTFORMAT, 0, &str) != FcResultMatch)
0b966021 1706 return Qnil;
e907d979 1707 if (strcmp ((char *) str, "TrueType") == 0)
0b966021 1708 return intern ("truetype");
48875afe 1709 if (strcmp ((char *) str, "Type 1") == 0)
0b966021 1710 return intern ("type1");
e907d979 1711 if (strcmp ((char *) str, "PCF") == 0)
0b966021 1712 return intern ("pcf");
e907d979 1713 if (strcmp ((char *) str, "BDF") == 0)
0b966021 1714 return intern ("bdf");
e907d979 1715#else /* not FC_FONTFORMAT */
09a56ce4 1716 if (FcPatternGetString (pattern, FC_FILE, 0, &str) != FcResultMatch)
e907d979
KH		 1717 return Qnil;
1718 if (strcasestr ((char *) str, ".ttf") == 0)
1719 return intern ("truetype");
1720 if (strcasestr ((char *) str, "pfb") == 0)
1721 return intern ("type1");
1722 if (strcasestr ((char *) str, "pcf") == 0)
1723 return intern ("pcf");
1724 if (strcasestr ((char *) str, "bdf") == 0)
1725 return intern ("bdf");
1726#endif /* not FC_FONTFORMAT */
0b966021
KH		 1727 return intern ("unknown");
1728}
1729
c2f5bfd6
KH		 1730\f
1731void
1732syms_of_ftfont ()
1733{
706b6995
KH		 1734 DEFSYM (Qfreetype, "freetype");
1735 DEFSYM (Qmonospace, "monospace");
1736 DEFSYM (Qsans_serif, "sans-serif");
1737 DEFSYM (Qserif, "serif");
1738 DEFSYM (Qmono, "mono");
1739 DEFSYM (Qsans, "sans");
1740 DEFSYM (Qsans__serif, "sans serif");
1741
c2f5bfd6 1742 staticpro (&freetype_font_cache);
c2801c99 1743 freetype_font_cache = Fcons (Qt, Qnil);
c2f5bfd6 1744
706b6995
KH		 1745 staticpro (&ftfont_generic_family_list);
1746 ftfont_generic_family_list
1747 = Fcons (Fcons (Qmonospace, Qt),
1748 Fcons (Fcons (Qsans_serif, Qt),
1749 Fcons (Fcons (Qsans, Qt), Qnil)));
c2f5bfd6 1750
21988a08
KH		 1751 staticpro (&ft_face_cache);
1752 ft_face_cache = Qnil;
1753
c2f5bfd6
KH		 1754 ftfont_driver.type = Qfreetype;
1755 register_font_driver (&ftfont_driver, NULL);
1756}
885b7d09
MB		 1757
1758/* arch-tag: 7cfa432c-33a6-4988-83d2-a82ed8604aca
1759 (do not change this comment) */
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