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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 471 int scalable = -1;
42984a74
KH		 472 Lisp_Object name = Qnil;
473 Lisp_Object script = Qnil;
21988a08 474 Lisp_Object registry;
c2f5bfd6 475
63565713 476 if (! NILP (AREF (spec, FONT_ADSTYLE_INDEX))
42984a74
KH		 477 && SBYTES (SYMBOL_NAME (AREF (spec, FONT_ADSTYLE_INDEX))) > 0)
478 /* Fontconfig doesn't support adstyle property. */
479 return NULL;
480 if ((n = FONT_SLANT_NUMERIC (spec)) >= 0
481 && n < 100)
63565713 482 /* Fontconfig doesn't support reverse-italic/obligue. */
42984a74
KH		 483 return NULL;
484
485 if (INTEGERP (AREF (spec, FONT_DPI_INDEX)))
486 dpi = XINT (AREF (spec, FONT_DPI_INDEX));
42984a74
KH		 487 if (INTEGERP (AREF (spec, FONT_AVGWIDTH_INDEX))
488 && XINT (AREF (spec, FONT_AVGWIDTH_INDEX)) == 0)
489 scalable = 1;
63565713 490
21988a08
KH		 491 registry = AREF (spec, FONT_REGISTRY_INDEX);
492 if (NILP (registry)
493 || EQ (registry, Qiso10646_1)
494 || EQ (registry, Qunicode_bmp)
495 || EQ (registry, Qunicode_sip))
496 *fc_charset_idx = -1;
497 else
c2f5bfd6 498 {
21988a08
KH		 499 *fc_charset_idx = ftfont_get_charset (registry);
500 if (*fc_charset_idx < 0)
42984a74 501 return NULL;
21988a08 502 charset = fc_charset_table[*fc_charset_idx].fc_charset;
c2f5bfd6
KH		 503 }
504
cc63eaf9 505 otlayout[0] = '\0';
8daf5667
KH		 506 for (extra = AREF (spec, FONT_EXTRA_INDEX);
507 CONSP (extra); extra = XCDR (extra))
c2f5bfd6 508 {
8daf5667
KH		 509 Lisp_Object key, val;
510
42984a74
KH		 511 key = XCAR (XCAR (extra)), val = XCDR (XCAR (extra));
512 if (EQ (key, QCdpi))
513 dpi = XINT (val);
514 else if (EQ (key, QCfc_unknown_spec))
515 name = val;
516 else if (EQ (key, QClang))
c2f5bfd6
KH		 517 {
518 langset = FcLangSetCreate ();
519 if (! langset)
520 goto err;
8daf5667 521 if (SYMBOLP (val))
c2f5bfd6 522 {
8daf5667 523 if (! FcLangSetAdd (langset, SYMBOL_FcChar8 (val)))
c2f5bfd6
KH		 524 goto err;
525 }
526 else
8daf5667
KH		 527 for (; CONSP (val); val = XCDR (val))
528 if (SYMBOLP (XCAR (val))
529 && ! FcLangSetAdd (langset, SYMBOL_FcChar8 (XCAR (val))))
530 goto err;
c2f5bfd6 531 }
42984a74
KH		 532 else if (EQ (key, QCname))
533 name = val;
534 else if (EQ (key, QCotf))
535 {
536 *otspec = ftfont_get_open_type_spec (val);
537 if (! *otspec)
538 return NULL;
539 strcat (otlayout, "otlayout:");
540 OTF_TAG_STR ((*otspec)->script_tag, otlayout + 9);
541 script = (*otspec)->script;
542 }
8daf5667
KH		 543 else if (EQ (key, QCscript))
544 script = val;
8daf5667
KH		 545 else if (EQ (key, QCscalable))
546 scalable = ! NILP (val);
547 }
c2f5bfd6 548
8daf5667
KH		 549 if (! NILP (script) && ! charset)
550 {
551 Lisp_Object chars = assq_no_quit (script, Vscript_representative_chars);
552
553 if (CONSP (chars))
554 {
555 charset = FcCharSetCreate ();
556 if (! charset)
557 goto err;
558 for (chars = XCDR (chars); CONSP (chars); chars = XCDR (chars))
559 if (CHARACTERP (XCAR (chars))
560 && ! FcCharSetAddChar (charset, XUINT (XCAR (chars))))
561 goto err;
c2f5bfd6
KH		 562 }
563 }
564
42984a74 565 pattern = NILP (name) ? FcPatternCreate () : FcNameParse (SDATA (name));
706b6995
KH		 566 if (! pattern)
567 goto err;
42984a74
KH		 568 FcPatternDel (pattern, FC_SIZE);
569 FcPatternDel (pattern, FC_PIXEL_SIZE);
318548be
KH		 570 FcPatternDel (pattern, FC_FOUNDRY);
571 FcPatternDel (pattern, FC_FAMILY);
706b6995 572 tmp = AREF (spec, FONT_FOUNDRY_INDEX);
42984a74 573 if (! NILP (tmp)
706b6995
KH		 574 && ! FcPatternAddString (pattern, FC_FOUNDRY, SYMBOL_FcChar8 (tmp)))
575 goto err;
318548be
KH		 576 tmp = AREF (spec, FONT_FAMILY_INDEX);
577 if (! NILP (tmp)
578 && ! FcPatternAddString (pattern, FC_FAMILY, SYMBOL_FcChar8 (tmp)))
579 goto err;
c2f5bfd6
KH		 580 if (charset
581 && ! FcPatternAddCharSet (pattern, FC_CHARSET, charset))
582 goto err;
583 if (langset
584 && ! FcPatternAddLangSet (pattern, FC_LANG, langset))
585 goto err;
bc9a2afe
KH		 586 if (dpi >= 0
587 && ! FcPatternAddDouble (pattern, FC_DPI, dpi))
588 goto err;
bc9a2afe 589 if (scalable >= 0
25a5d05b 590 && ! FcPatternAddBool (pattern, FC_SCALABLE, scalable ? FcTrue : FcFalse))
bc9a2afe 591 goto err;
42984a74 592 goto finish;
c2f5bfd6 593
42984a74
KH		 594 err:
595 /* We come here because of unexpected error in fontconfig API call
596 (usually insufficient memory). */
597 if (pattern)
598 {
599 FcPatternDestroy (pattern);
600 pattern = NULL;
601 }
602 if (*otspec)
603 {
604 if ((*otspec)->nfeatures[0] > 0)
605 free ((*otspec)->features[0]);
606 if ((*otspec)->nfeatures[1] > 0)
607 free ((*otspec)->features[1]);
608 free (*otspec);
609 *otspec = NULL;
610 }
611
612 finish:
42984a74 613 if (langset) FcLangSetDestroy (langset);
de24e3eb 614 if (charset && *fc_charset_idx < 0) FcCharSetDestroy (charset);
42984a74
KH		 615 return pattern;
616}
617
618static Lisp_Object
619ftfont_list (frame, spec)
620 Lisp_Object frame, spec;
621{
318548be 622 Lisp_Object val = Qnil, registry, family;
42984a74
KH		 623 int i;
624 FcPattern *pattern;
625 FcFontSet *fontset = NULL;
626 FcObjectSet *objset = NULL;
21988a08 627 int fc_charset_idx;
42984a74
KH		 628 char otlayout[15]; /* For "otlayout:XXXX" */
629 struct OpenTypeSpec *otspec = NULL;
5d376f74 630 int spacing = -1;
42984a74
KH		 631
632 if (! fc_initialized)
633 {
634 FcInit ();
635 fc_initialized = 1;
636 }
637
21988a08 638 pattern = ftfont_spec_pattern (spec, &fc_charset_idx, otlayout, &otspec);
42984a74
KH		 639 if (! pattern)
640 return Qnil;
5d376f74
KH		 641 if (INTEGERP (AREF (spec, FONT_SPACING_INDEX)))
642 spacing = XINT (AREF (spec, FONT_SPACING_INDEX));
318548be
KH		 643 registry = AREF (spec, FONT_REGISTRY_INDEX);
644 family = AREF (spec, FONT_FAMILY_INDEX);
645 if (! NILP (family))
646 {
647 Lisp_Object resolved;
648
649 resolved = ftfont_resolve_generic_family (family);
650 if (! NILP (resolved))
651 {
652 FcPatternDel (pattern, FC_FAMILY);
653 if (! FcPatternAddString (pattern, FC_FAMILY,
654 SYMBOL_FcChar8 (resolved)))
655 goto err;
656 }
657 }
658
706b6995 659 objset = FcObjectSetBuild (FC_FOUNDRY, FC_FAMILY, FC_WEIGHT, FC_SLANT,
42984a74 660 FC_WIDTH, FC_PIXEL_SIZE, FC_SPACING, FC_SCALABLE,
5d376f74 661 FC_FILE,
42984a74
KH		 662#ifdef FC_CAPABILITY
663 FC_CAPABILITY,
664#endif /* FC_CAPABILITY */
e907d979 665 NULL);
706b6995
KH		 666 if (! objset)
667 goto err;
42984a74 668
318548be
KH		 669 fontset = FcFontList (NULL, pattern, objset);
670 if (! fontset)
671 goto err;
672 for (i = 0; i < fontset->nfont; i++)
bc5f6c42 673 {
318548be 674 Lisp_Object entity;
f63d54dc 675
5d376f74
KH		 676 if (spacing >= 0)
677 {
678 int this;
679
680 if ((FcPatternGetInteger (fontset->fonts[i], FC_SPACING, 0, &this)
681 == FcResultMatch)
682 && spacing != this)
683 continue;
684 }
685
bc5f6c42 686#ifdef FC_CAPABILITY
318548be
KH		 687 if (otlayout[0])
688 {
689 FcChar8 *this;
a85f724a 690
318548be
KH		 691 if (FcPatternGetString (fontset->fonts[i], FC_CAPABILITY, 0,
692 &this) != FcResultMatch
693 || ! strstr ((char *) this, otlayout))
694 continue;
695 }
bc5f6c42 696#endif /* FC_CAPABILITY */
cc63eaf9 697#ifdef HAVE_LIBOTF
318548be
KH		 698 if (otspec)
699 {
700 FcChar8 *file;
701 OTF *otf;
702
703 if (FcPatternGetString (fontset->fonts[i], FC_FILE, 0, &file)
704 != FcResultMatch)
705 continue;
706 otf = OTF_open ((char *) file);
707 if (! otf)
708 continue;
709 if (OTF_check_features (otf, 1,
710 otspec->script_tag, otspec->langsys_tag,
711 otspec->features[0],
712 otspec->nfeatures[0]) != 1
713 || OTF_check_features (otf, 0,
714 otspec->script_tag, otspec->langsys_tag,
715 otspec->features[1],
716 otspec->nfeatures[1]) != 1)
717 continue;
c2f5bfd6 718 }
318548be
KH		 719#endif /* HAVE_LIBOTF */
720 entity = ftfont_pattern_entity (fontset->fonts[i], registry,
721 fc_charset_idx);
722 if (! NILP (entity))
723 val = Fcons (entity, val);
c2f5bfd6 724 }
318548be 725 font_add_log ("ftfont-list", spec, val);
c2f5bfd6
KH		 726 goto finish;
727
728 err:
729 /* We come here because of unexpected error in fontconfig API call
706b6995 730 (usually insufficient memory). */
c2f5bfd6
KH		 731 val = Qnil;
732
733 finish:
c2f5bfd6
KH		 734 if (objset) FcObjectSetDestroy (objset);
735 if (fontset) FcFontSetDestroy (fontset);
c2f5bfd6 736 if (pattern) FcPatternDestroy (pattern);
c2f5bfd6
KH		 737 return val;
738}
739
8daf5667
KH		 740static Lisp_Object
741ftfont_match (frame, spec)
742 Lisp_Object frame, spec;
743{
21988a08 744 Lisp_Object entity;
42984a74 745 FcPattern *pattern, *match = NULL;
8daf5667 746 FcResult result;
42984a74
KH		 747 char otlayout[15]; /* For "otlayout:XXXX" */
748 struct OpenTypeSpec *otspec = NULL;
21988a08 749 int fc_charset_idx;
8daf5667
KH		 750
751 if (! fc_initialized)
752 {
753 FcInit ();
754 fc_initialized = 1;
755 }
756
21988a08 757 pattern = ftfont_spec_pattern (spec, &fc_charset_idx, otlayout, &otspec);
42984a74 758 if (! pattern)
8daf5667
KH		 759 return Qnil;
760
42984a74 761 if (INTEGERP (AREF (spec, FONT_SIZE_INDEX)))
8daf5667 762 {
42984a74 763 FcValue value;
55082642 764
42984a74
KH		 765 value.type = FcTypeDouble;
766 value.u.d = XINT (AREF (spec, FONT_SIZE_INDEX));
767 FcPatternAdd (pattern, FC_PIXEL_SIZE, value, FcFalse);
768 }
769 if (FcConfigSubstitute (NULL, pattern, FcMatchPattern) == FcTrue)
770 {
771 FcDefaultSubstitute (pattern);
772 match = FcFontMatch (NULL, pattern, &result);
773 if (match)
8daf5667 774 {
21988a08 775 entity = ftfont_pattern_entity (match, Qunicode_bmp, fc_charset_idx);
42984a74
KH		 776 FcPatternDestroy (match);
777 if (! NILP (AREF (spec, FONT_FAMILY_INDEX))
778 && NILP (assq_no_quit (AREF (spec, FONT_FAMILY_INDEX),
779 ftfont_generic_family_list))
780 && NILP (Fstring_equal (AREF (spec, FONT_FAMILY_INDEX),
781 AREF (entity, FONT_FAMILY_INDEX))))
782 entity = Qnil;
8daf5667 783 }
8daf5667 784 }
42984a74 785 FcPatternDestroy (pattern);
8daf5667 786
318548be 787 font_add_log ("ftfont-match", spec, entity);
8daf5667
KH		 788 return entity;
789}
790
c2f5bfd6
KH		 791static Lisp_Object
792ftfont_list_family (frame)
793 Lisp_Object frame;
794{
795 Lisp_Object list;
796 FcPattern *pattern = NULL;
797 FcFontSet *fontset = NULL;
798 FcObjectSet *objset = NULL;
799 int i;
800
801 if (! fc_initialized)
802 {
803 FcInit ();
804 fc_initialized = 1;
805 }
806
807 pattern = FcPatternCreate ();
808 if (! pattern)
809 goto finish;
706b6995 810 objset = FcObjectSetBuild (FC_FAMILY, NULL);
c2f5bfd6
KH		 811 if (! objset)
812 goto finish;
813 fontset = FcFontList (NULL, pattern, objset);
814 if (! fontset)
815 goto finish;
816
817 list = Qnil;
818 for (i = 0; i < fontset->nfont; i++)
819 {
820 FcPattern *pat = fontset->fonts[i];
821 FcChar8 *str;
822
823 if (FcPatternGetString (pat, FC_FAMILY, 0, &str) == FcResultMatch)
42984a74 824 list = Fcons (intern ((char *) str), list);
c2f5bfd6
KH		 825 }
826
827 finish:
828 if (objset) FcObjectSetDestroy (objset);
829 if (fontset) FcFontSetDestroy (fontset);
830 if (pattern) FcPatternDestroy (pattern);
831
832 return list;
833}
834
835
42984a74 836static Lisp_Object
c2f5bfd6
KH		 837ftfont_open (f, entity, pixel_size)
838 FRAME_PTR f;
839 Lisp_Object entity;
840 int pixel_size;
841{
842 struct ftfont_info *ftfont_info;
843 struct font *font;
844 FT_Face ft_face;
845 FT_Size ft_size;
846 FT_UInt size;
21988a08
KH		 847 Lisp_Object val, filename, cache, font_object;
848 int fc_charset_idx;
c2f5bfd6 849 FcPattern *pattern;
21988a08 850 int scalable;
c2f5bfd6 851 int spacing;
42984a74
KH		 852 char name[256];
853 int i, len;
854 int upEM;
c2f5bfd6 855
42984a74
KH		 856 val = assq_no_quit (QCfont_entity, AREF (entity, FONT_EXTRA_INDEX));
857 if (! CONSP (val))
858 return Qnil;
859 val = XCDR (val);
21988a08
KH		 860 filename = XCAR (val);
861 fc_charset_idx = XINT (XCDR (val));
862 cache = ftfont_lookup_cache (filename);
863 if (NILP (cache))
864 return Qnil;
865 filename = XCAR (cache);
866 val = XCDR (cache);
867 ft_face = XSAVE_VALUE (val)->pointer;
868 if (XSAVE_VALUE (val)->integer > 0)
c2f5bfd6 869 {
21988a08 870 /* FT_Face in this cache is already used by the different size. */
c2f5bfd6 871 if (FT_New_Size (ft_face, &ft_size) != 0)
42984a74 872 return Qnil;
c2f5bfd6
KH		 873 if (FT_Activate_Size (ft_size) != 0)
874 {
875 FT_Done_Size (ft_size);
42984a74 876 return Qnil;
c2f5bfd6 877 }
21988a08
KH		 878 }
879 XSAVE_VALUE (val)->integer++;
c2f5bfd6
KH		 880 size = XINT (AREF (entity, FONT_SIZE_INDEX));
881 if (size == 0)
882 size = pixel_size;
883 if (FT_Set_Pixel_Sizes (ft_face, size, size) != 0)
884 {
885 if (XSAVE_VALUE (val)->integer == 0)
886 FT_Done_Face (ft_face);
42984a74 887 return Qnil;
c2f5bfd6
KH		 888 }
889
42984a74
KH		 890 font_object = font_make_object (VECSIZE (struct ftfont_info));
891 ASET (font_object, FONT_TYPE_INDEX, Qfreetype);
892 for (i = 1;i < FONT_ENTITY_MAX; i++)
893 ASET (font_object, i, AREF (entity, i));
894 ASET (font_object, FONT_SIZE_INDEX, make_number (size));
895 len = font_unparse_xlfd (entity, size, name, 256);
896 if (len > 0)
897 ASET (font_object, FONT_NAME_INDEX, make_unibyte_string (name, len));
898 len = font_unparse_fcname (entity, size, name, 256);
899 if (len > 0)
900 ASET (font_object, FONT_FULLNAME_INDEX, make_unibyte_string (name, len));
901 else
902 ASET (font_object, FONT_FULLNAME_INDEX,
903 AREF (font_object, FONT_NAME_INDEX));
21988a08 904 ASET (font_object, FONT_FILE_INDEX, filename);
42984a74
KH		 905 ASET (font_object, FONT_FORMAT_INDEX, ftfont_font_format (pattern));
906 font = XFONT_OBJECT (font_object);
907 ftfont_info = (struct ftfont_info *) font;
21988a08
KH		 908 ftfont_info->ft_size = ft_face->size;
909 ftfont_info->fc_charset_idx = fc_charset_idx;
0d674a05 910#ifdef HAVE_LIBOTF
de023c40
KH		 911 ftfont_info->maybe_otf = ft_face->face_flags & FT_FACE_FLAG_SFNT;
912 ftfont_info->otf = NULL;
0d674a05 913#endif /* HAVE_LIBOTF */
c2f5bfd6
KH		 914 font->pixel_size = size;
915 font->driver = &ftfont_driver;
42984a74 916 font->encoding_charset = font->repertory_charset = -1;
c9c0c429 917
42984a74 918 upEM = ft_face->units_per_EM;
21988a08
KH		 919 scalable = (INTEGERP (AREF (entity, FONT_AVGWIDTH_INDEX))
920 && XINT (AREF (entity, FONT_AVGWIDTH_INDEX)) == 0);
42984a74
KH		 921 if (scalable)
922 {
923 font->ascent = ft_face->ascender * size / upEM;
924 font->descent = - ft_face->descender * size / upEM;
925 font->height = ft_face->height * size / upEM;
926 }
927 else
928 {
929 font->ascent = ft_face->size->metrics.ascender >> 6;
930 font->descent = - ft_face->size->metrics.descender >> 6;
931 font->height = ft_face->size->metrics.height >> 6;
c9c0c429 932 }
21988a08
KH		 933 if (INTEGERP (AREF (entity, FONT_SPACING_INDEX)))
934 spacing = XINT (AREF (entity, FONT_SPACING_INDEX));
935 else
c9c0c429
KH		 936 spacing = FC_PROPORTIONAL;
937 if (spacing != FC_PROPORTIONAL)
42984a74
KH		 938 font->min_width = font->average_width = font->space_width
939 = (scalable ? ft_face->max_advance_width * size / upEM
940 : ft_face->size->metrics.max_advance >> 6);
c2f5bfd6
KH		 941 else
942 {
42984a74 943 int n;
c2f5bfd6 944
42984a74
KH		 945 font->min_width = font->average_width = font->space_width = 0;
946 for (i = 32, n = 0; i < 127; i++)
947 if (FT_Load_Char (ft_face, i, FT_LOAD_DEFAULT) != 0)
948 {
949 int this_width = ft_face->glyph->metrics.horiAdvance >> 6;
950
951 if (this_width > 0
952 && (! font->min_width || font->min_width > this_width))
953 font->min_width = this_width;
954 if (i == 32)
955 font->space_width = this_width;
956 font->average_width += this_width;
957 n++;
958 }
959 if (n > 0)
960 font->average_width /= n;
c2f5bfd6
KH		 961 }
962
42984a74
KH		 963 font->baseline_offset = 0;
964 font->relative_compose = 0;
965 font->default_ascent = 0;
966 font->vertical_centering = 0;
967 if (scalable)
968 {
969 font->underline_position = -ft_face->underline_position * size / upEM;
970 font->underline_thickness = -ft_face->underline_thickness * size / upEM;
971 }
972 else
973 {
974 font->underline_position = -1;
975 font->underline_thickness = 0;
976 }
c2f5bfd6 977
42984a74 978 return font_object;
c2f5bfd6
KH		 979}
980
981static void
982ftfont_close (f, font)
983 FRAME_PTR f;
984 struct font *font;
985{
986 struct ftfont_info *ftfont_info = (struct ftfont_info *) font;
21988a08 987 Lisp_Object val, cache;
c2f5bfd6 988
21988a08
KH		 989 cache = ftfont_lookup_cache (font->props[FONT_FILE_INDEX]);
990 val = XCDR (cache);
c2f5bfd6
KH		 991 (XSAVE_VALUE (val)->integer)--;
992 if (XSAVE_VALUE (val)->integer == 0)
de023c40 993 {
21988a08
KH		 994 FT_Face ft_face = XSAVE_VALUE (val)->pointer;
995
996 FT_Done_Face (ft_face);
de023c40
KH		 997#ifdef HAVE_LIBOTF
998 if (ftfont_info->otf)
999 OTF_close (ftfont_info->otf);
1000#endif
21988a08 1001 XSAVE_VALUE (val)->pointer = NULL;
de023c40 1002 }
c2f5bfd6
KH		 1003 else
1004 FT_Done_Size (ftfont_info->ft_size);
c2f5bfd6
KH		 1005}
1006
1007static int
1008ftfont_has_char (entity, c)
1009 Lisp_Object entity;
1010 int c;
1011{
1012 Lisp_Object val;
21988a08
KH		 1013 int fc_charset_idx;
1014 struct charset *charset;
c2f5bfd6 1015
42984a74 1016 val = assq_no_quit (QCfont_entity, AREF (entity, FONT_EXTRA_INDEX));
21988a08
KH		 1017 fc_charset_idx = XINT (XCDR (XCDR (val)));
1018 if (fc_charset_idx < 0)
c2801c99 1019 return -1;
21988a08
KH		 1020 charset = CHARSET_FROM_ID (fc_charset_table[fc_charset_idx].charset_id);
1021 return (ENCODE_CHAR (charset, c) != CHARSET_INVALID_CODE (charset));
c2f5bfd6
KH		 1022}
1023
1024static unsigned
1025ftfont_encode_char (font, c)
1026 struct font *font;
1027 int c;
1028{
1029 struct ftfont_info *ftfont_info = (struct ftfont_info *) font;
1030 FT_Face ft_face = ftfont_info->ft_size->face;
1031 FT_ULong charcode = c;
1032 FT_UInt code = FT_Get_Char_Index (ft_face, charcode);
1033
4cec6061 1034 return (code > 0 ? code : FONT_INVALID_CODE);
c2f5bfd6
KH		 1035}
1036
1037static int
1038ftfont_text_extents (font, code, nglyphs, metrics)
1039 struct font *font;
1040 unsigned *code;
1041 int nglyphs;
1042 struct font_metrics *metrics;
1043{
1044 struct ftfont_info *ftfont_info = (struct ftfont_info *) font;
1045 FT_Face ft_face = ftfont_info->ft_size->face;
1046 int width = 0;
1047 int i;
1048
1049 if (ftfont_info->ft_size != ft_face->size)
1050 FT_Activate_Size (ftfont_info->ft_size);
1051 if (metrics)
1052 bzero (metrics, sizeof (struct font_metrics));
1053 for (i = 0; i < nglyphs; i++)
1054 {
1055 if (FT_Load_Glyph (ft_face, code[i], FT_LOAD_DEFAULT) == 0)
1056 {
1057 FT_Glyph_Metrics *m = &ft_face->glyph->metrics;
1058
1059 if (metrics)
1060 {
1061 if (metrics->lbearing > width + (m->horiBearingX >> 6))
1062 metrics->lbearing = width + (m->horiBearingX >> 6);
1063 if (metrics->rbearing
1064 < width + ((m->horiBearingX + m->width) >> 6))
1065 metrics->rbearing
1066 = width + ((m->horiBearingX + m->width) >> 6);
1067 if (metrics->ascent < (m->horiBearingY >> 6))
1068 metrics->ascent = m->horiBearingY >> 6;
1069 if (metrics->descent > ((m->horiBearingY + m->height) >> 6))
1070 metrics->descent = (m->horiBearingY + m->height) >> 6;
1071 }
1072 width += m->horiAdvance >> 6;
1073 }
1074 else
1075 {
42984a74 1076 width += font->space_width;
c2f5bfd6
KH		 1077 }
1078 }
1079 if (metrics)
1080 metrics->width = width;
1081
1082 return width;
1083}
1084
1085static int
1086ftfont_get_bitmap (font, code, bitmap, bits_per_pixel)
1087 struct font *font;
1088 unsigned code;
1089 struct font_bitmap *bitmap;
1090 int bits_per_pixel;
1091{
1092 struct ftfont_info *ftfont_info = (struct ftfont_info *) font;
1093 FT_Face ft_face = ftfont_info->ft_size->face;
1094 FT_Int32 load_flags = FT_LOAD_RENDER;
1095
1096 if (ftfont_info->ft_size != ft_face->size)
1097 FT_Activate_Size (ftfont_info->ft_size);
1098 if (bits_per_pixel == 1)
1099 {
1100#ifdef FT_LOAD_TARGET_MONO
1101 load_flags |= FT_LOAD_TARGET_MONO;
1102#else
1103 load_flags |= FT_LOAD_MONOCHROME;
1104#endif
1105 }
1106 else if (bits_per_pixel != 8)
1107 /* We don't support such a rendering. */
1108 return -1;
1109
1110 if (FT_Load_Glyph (ft_face, code, load_flags) != 0)
1111 return -1;
b51e5112
KH		 1112 bitmap->bits_per_pixel
1113 = (ft_face->glyph->bitmap.pixel_mode == FT_PIXEL_MODE_MONO ? 1
1114 : ft_face->glyph->bitmap.pixel_mode == FT_PIXEL_MODE_GRAY ? 8
1115 : ft_face->glyph->bitmap.pixel_mode == FT_PIXEL_MODE_LCD ? 8
1116 : ft_face->glyph->bitmap.pixel_mode == FT_PIXEL_MODE_LCD_V ? 8
1117 : -1);
1118 if (bitmap->bits_per_pixel < 0)
1119 /* We don't suport that kind of pixel mode. */
1120 return -1;
c2f5bfd6
KH		 1121 bitmap->rows = ft_face->glyph->bitmap.rows;
1122 bitmap->width = ft_face->glyph->bitmap.width;
1123 bitmap->pitch = ft_face->glyph->bitmap.pitch;
1124 bitmap->buffer = ft_face->glyph->bitmap.buffer;
1125 bitmap->left = ft_face->glyph->bitmap_left;
1126 bitmap->top = ft_face->glyph->bitmap_top;
1127 bitmap->advance = ft_face->glyph->metrics.horiAdvance >> 6;
1128 bitmap->extra = NULL;
1129
1130 return 0;
1131}
1132
1133static int
1134ftfont_anchor_point (font, code, index, x, y)
1135 struct font *font;
1136 unsigned code;
1137 int index;
1138 int *x, *y;
1139{
1140 struct ftfont_info *ftfont_info = (struct ftfont_info *) font;
1141 FT_Face ft_face = ftfont_info->ft_size->face;
1142
1143 if (ftfont_info->ft_size != ft_face->size)
1144 FT_Activate_Size (ftfont_info->ft_size);
1145 if (FT_Load_Glyph (ft_face, code, FT_LOAD_DEFAULT) != 0)
1146 return -1;
1147 if (ft_face->glyph->format != FT_GLYPH_FORMAT_OUTLINE)
1148 return -1;
1149 if (index >= ft_face->glyph->outline.n_points)
1150 return -1;
1151 *x = ft_face->glyph->outline.points[index].x;
1152 *y = ft_face->glyph->outline.points[index].y;
1153 return 0;
1154}
1155
de023c40
KH		 1156#ifdef HAVE_LIBOTF
1157#ifdef HAVE_M17N_FLT
1158
1159struct MFLTFontFT
1160{
1161 MFLTFont flt_font;
1162 struct font *font;
1163 FT_Face ft_face;
1164 OTF *otf;
1165};
1166
1167static int
1168ftfont_get_glyph_id (font, gstring, from, to)
1169 MFLTFont *font;
1170 MFLTGlyphString *gstring;
1171 int from, to;
1172{
1173 struct MFLTFontFT *flt_font_ft = (struct MFLTFontFT *) font;
1174 FT_Face ft_face = flt_font_ft->ft_face;
1175 MFLTGlyph *g;
1176
1177 for (g = gstring->glyphs + from; from < to; g++, from++)
1178 if (! g->encoded)
1179 {
1180 FT_UInt code = FT_Get_Char_Index (ft_face, g->code);
1181
1182 g->code = code > 0 ? code : FONT_INVALID_CODE;
1183 g->encoded = 1;
1184 }
1185 return 0;
1186}
1187
1188static int
1189ftfont_get_metrics (font, gstring, from, to)
1190 MFLTFont *font;
1191 MFLTGlyphString *gstring;
1192 int from, to;
1193{
1194 struct MFLTFontFT *flt_font_ft = (struct MFLTFontFT *) font;
1195 FT_Face ft_face = flt_font_ft->ft_face;
1196 MFLTGlyph *g;
1197
1198 for (g = gstring->glyphs + from; from < to; g++, from++)
1199 if (! g->measured)
1200 {
1201 if (g->code != FONT_INVALID_CODE)
1202 {
1203 FT_Glyph_Metrics *m;
1204
1205 if (FT_Load_Glyph (ft_face, g->code, FT_LOAD_DEFAULT) != 0)
1206 abort ();
1207 m = &ft_face->glyph->metrics;
1208
1209 g->lbearing = m->horiBearingX;
1210 g->rbearing = m->horiBearingX + m->width;
1211 g->ascent = m->horiBearingY;
1212 g->descent = m->height - m->horiBearingY;
1213 g->xadv = m->horiAdvance;
1214 }
1215 else
1216 {
1217 g->lbearing = 0;
42984a74 1218 g->rbearing = g->xadv = flt_font_ft->font->space_width << 6;
de023c40
KH		 1219 g->ascent = flt_font_ft->font->ascent << 6;
1220 g->descent = flt_font_ft->font->descent << 6;
1221 }
1222 g->yadv = 0;
1223 g->measured = 1;
1224 }
1225 return 0;
1226}
1227
1228static int
1229ftfont_check_otf (MFLTFont *font, MFLTOtfSpec *spec)
1230{
1231 struct MFLTFontFT *flt_font_ft = (struct MFLTFontFT *) font;
1232 OTF *otf = flt_font_ft->otf;
1233 OTF_Tag *tags;
1234 int i, n, negative;
1235
1236 for (i = 0; i < 2; i++)
1237 {
1238 if (! spec->features[i])
1239 continue;
1240 for (n = 0; spec->features[i][n]; n++);
1241 tags = alloca (sizeof (OTF_Tag) * n);
1242 for (n = 0, negative = 0; spec->features[i][n]; n++)
1243 {
1244 if (spec->features[i][n] == 0xFFFFFFFF)
1245 negative = 1;
1246 else if (negative)
1247 tags[n - 1] = spec->features[i][n] | 0x80000000;
1248 else
1249 tags[n] = spec->features[i][n];
1250 }
1251 if (n - negative > 0
1252 && OTF_check_features (otf, i == 0, spec->script, spec->langsys,
1253 tags, n - negative) != 1)
1254 return 0;
1255 }
1256 return 1;
1257}
1258
1259#define DEVICE_DELTA(table, size) \
1260 (((size) >= (table).StartSize && (size) <= (table).EndSize) \
1261 ? (table).DeltaValue[(size) - (table).StartSize] << 6 \
1262 : 0)
1263
1264static void
1265adjust_anchor (FT_Face ft_face, OTF_Anchor *anchor,
1266 unsigned code, int x_ppem, int y_ppem, int *x, int *y)
1267{
1268 if (anchor->AnchorFormat == 2)
1269 {
1270 FT_Outline *outline;
1271 int ap = anchor->f.f1.AnchorPoint;
1272
1273 FT_Load_Glyph (ft_face, (FT_UInt) code, FT_LOAD_MONOCHROME);
1274 outline = &ft_face->glyph->outline;
1275 if (ap < outline->n_points)
1276 {
1277 *x = outline->points[ap].x << 6;
1278 *y = outline->points[ap].y << 6;
1279 }
1280 }
1281 else if (anchor->AnchorFormat == 3)
1282 {
1283 if (anchor->f.f2.XDeviceTable.offset)
1284 *x += DEVICE_DELTA (anchor->f.f2.XDeviceTable, x_ppem);
1285 if (anchor->f.f2.YDeviceTable.offset)
1286 *y += DEVICE_DELTA (anchor->f.f2.YDeviceTable, y_ppem);
1287 }
1288}
1289
1290static OTF_GlyphString otf_gstring;
1291
1292static int
1293ftfont_drive_otf (font, spec, in, from, to, out, adjustment)
1294 MFLTFont *font;
1295 MFLTOtfSpec *spec;
1296 MFLTGlyphString *in;
1297 int from, to;
1298 MFLTGlyphString *out;
1299 MFLTGlyphAdjustment *adjustment;
1300{
1301 struct MFLTFontFT *flt_font_ft = (struct MFLTFontFT *) font;
1302 FT_Face ft_face = flt_font_ft->ft_face;
1303 OTF *otf = flt_font_ft->otf;
1304 int len = to - from;
1305 int i, j, gidx;
1306 OTF_Glyph *otfg;
1307 char script[5], *langsys = NULL;
1308 char *gsub_features = NULL, *gpos_features = NULL;
1309
1310 if (len == 0)
1311 return from;
1312 OTF_tag_name (spec->script, script);
1313 if (spec->langsys)
1314 {
1315 langsys = alloca (5);
1316 OTF_tag_name (spec->langsys, langsys);
1317 }
1318 for (i = 0; i < 2; i++)
1319 {
1320 char *p;
1321
1322 if (spec->features[i] && spec->features[i][1] != 0xFFFFFFFF)
1323 {
1324 for (j = 0; spec->features[i][j]; j++);
1325 if (i == 0)
1326 p = gsub_features = alloca (6 * j);
1327 else
1328 p = gpos_features = alloca (6 * j);
1329 for (j = 0; spec->features[i][j]; j++)
1330 {
1331 if (spec->features[i][j] == 0xFFFFFFFF)
1332 *p++ = '*', *p++ = ',';
1333 else
1334 {
1335 OTF_tag_name (spec->features[i][j], p);
1336 p[4] = ',';
1337 p += 5;
1338 }
1339 }
1340 *--p = '\0';
1341 }
1342 }
1343
1344 if (otf_gstring.size == 0)
1345 {
1346 otf_gstring.glyphs = (OTF_Glyph *) malloc (sizeof (OTF_Glyph) * len);
1347 otf_gstring.size = len;
1348 }
1349 else if (otf_gstring.size < len)
1350 {
1351 otf_gstring.glyphs = (OTF_Glyph *) realloc (otf_gstring.glyphs,
1352 sizeof (OTF_Glyph) * len);
1353 otf_gstring.size = len;
1354 }
1355 otf_gstring.used = len;
1356 memset (otf_gstring.glyphs, 0, sizeof (OTF_Glyph) * len);
1357 for (i = 0; i < len; i++)
1358 {
1359 otf_gstring.glyphs[i].c = in->glyphs[from + i].c;
1360 otf_gstring.glyphs[i].glyph_id = in->glyphs[from + i].code;
1361 }
1362
1363 OTF_drive_gdef (otf, &otf_gstring);
1364 gidx = out->used;
1365
1366 if (gsub_features)
1367 {
1368 if (OTF_drive_gsub (otf, &otf_gstring, script, langsys, gsub_features)
1369 < 0)
1370 goto simple_copy;
1371 if (out->allocated < out->used + otf_gstring.used)
1372 return -2;
7d2fd545 1373 for (i = 0, otfg = otf_gstring.glyphs; i < otf_gstring.used; )
de023c40 1374 {
7d2fd545
KH		 1375 MFLTGlyph *g;
1376 int min_from, max_to;
de023c40
KH		 1377 int j;
1378
7d2fd545 1379 g = out->glyphs + out->used;
de023c40 1380 *g = in->glyphs[from + otfg->f.index.from];
de023c40
KH		 1381 if (g->code != otfg->glyph_id)
1382 {
7d2fd545 1383 g->c = 0;
de023c40
KH		 1384 g->code = otfg->glyph_id;
1385 g->measured = 0;
1386 }
1387 out->used++;
7d2fd545
KH		 1388 min_from = g->from;
1389 max_to = g->to;
1390 if (otfg->f.index.from < otfg->f.index.to)
1391 {
1392 /* OTFG substitutes multiple glyphs in IN. */
1393 for (j = from + otfg->f.index.from + 1;
1394 j <= from + otfg->f.index.to; j++)
1395 {
1396 if (min_from > in->glyphs[j].from)
1397 min_from = in->glyphs[j].from;
1398 if (max_to < in->glyphs[j].to)
1399 max_to = in->glyphs[j].to;
1400 }
1401 g->from = min_from;
1402 g->to = max_to;
1403 }
1404 for (i++, otfg++; (i < otf_gstring.used
1405 && otfg->f.index.from == otfg[-1].f.index.from);
1406 i++, otfg++)
1407 {
1408 g = out->glyphs + out->used;
1409 *g = in->glyphs[from + otfg->f.index.to];
1410 if (g->code != otfg->glyph_id)
1411 {
1412 g->c = 0;
1413 g->code = otfg->glyph_id;
1414 g->measured = 0;
1415 }
1416 out->used++;
1417 }
de023c40
KH		 1418 }
1419 }
1420 else
1421 {
1422 if (out->allocated < out->used + len)
1423 return -2;
1424 for (i = 0; i < len; i++)
1425 out->glyphs[out->used++] = in->glyphs[from + i];
1426 }
1427
1428 if (gpos_features)
1429 {
1430 MFLTGlyph *base = NULL, *mark = NULL, *g;
1431 int x_ppem, y_ppem, x_scale, y_scale;
1432
1433 if (OTF_drive_gpos (otf, &otf_gstring, script, langsys, gpos_features)
1434 < 0)
1435 return to;
1436
1437 x_ppem = ft_face->size->metrics.x_ppem;
1438 y_ppem = ft_face->size->metrics.y_ppem;
1439 x_scale = ft_face->size->metrics.x_scale;
1440 y_scale = ft_face->size->metrics.y_scale;
1441
1442 for (i = 0, otfg = otf_gstring.glyphs, g = out->glyphs + gidx;
1443 i < otf_gstring.used; i++, otfg++, g++)
1444 {
1445 MFLTGlyph *prev;
1446
1447 if (! otfg->glyph_id)
1448 continue;
1449 switch (otfg->positioning_type)
1450 {
1451 case 0:
1452 break;
1453 case 1: /* Single */
1454 case 2: /* Pair */
1455 {
1456 int format = otfg->f.f1.format;
1457
1458 if (format & OTF_XPlacement)
1459 adjustment[i].xoff
1460 = otfg->f.f1.value->XPlacement * x_scale / 0x10000;
1461 if (format & OTF_XPlaDevice)
1462 adjustment[i].xoff
1463 += DEVICE_DELTA (otfg->f.f1.value->XPlaDevice, x_ppem);
1464 if (format & OTF_YPlacement)
1465 adjustment[i].yoff
1466 = - (otfg->f.f1.value->YPlacement * y_scale / 0x10000);
1467 if (format & OTF_YPlaDevice)
1468 adjustment[i].yoff
1469 -= DEVICE_DELTA (otfg->f.f1.value->YPlaDevice, y_ppem);
1470 if (format & OTF_XAdvance)
1471 adjustment[i].xadv
1472 += otfg->f.f1.value->XAdvance * x_scale / 0x10000;
1473 if (format & OTF_XAdvDevice)
1474 adjustment[i].xadv
1475 += DEVICE_DELTA (otfg->f.f1.value->XAdvDevice, x_ppem);
1476 if (format & OTF_YAdvance)
1477 adjustment[i].yadv
1478 += otfg->f.f1.value->YAdvance * y_scale / 0x10000;
1479 if (format & OTF_YAdvDevice)
1480 adjustment[i].yadv
1481 += DEVICE_DELTA (otfg->f.f1.value->YAdvDevice, y_ppem);
1482 adjustment[i].set = 1;
1483 }
1484 break;
1485 case 3: /* Cursive */
1486 /* Not yet supported. */
1487 break;
1488 case 4: /* Mark-to-Base */
1489 case 5: /* Mark-to-Ligature */
1490 if (! base)
1491 break;
1492 prev = base;
1493 goto label_adjust_anchor;
1494 default: /* i.e. case 6 Mark-to-Mark */
1495 if (! mark)
1496 break;
1497 prev = mark;
1498
1499 label_adjust_anchor:
1500 {
1501 int base_x, base_y, mark_x, mark_y;
1502 int this_from, this_to;
1503
1504 base_x = otfg->f.f4.base_anchor->XCoordinate * x_scale / 0x10000;
1505 base_y = otfg->f.f4.base_anchor->YCoordinate * y_scale / 0x10000;
1506 mark_x = otfg->f.f4.mark_anchor->XCoordinate * x_scale / 0x10000;
1507 mark_y = otfg->f.f4.mark_anchor->YCoordinate * y_scale / 0x10000;;
1508
1509 if (otfg->f.f4.base_anchor->AnchorFormat != 1)
1510 adjust_anchor (ft_face, otfg->f.f4.base_anchor,
1511 prev->code, x_ppem, y_ppem, &base_x, &base_y);
1512 if (otfg->f.f4.mark_anchor->AnchorFormat != 1)
1513 adjust_anchor (ft_face, otfg->f.f4.mark_anchor, g->code,
1514 x_ppem, y_ppem, &mark_x, &mark_y);
1515 adjustment[i].xoff = (base_x - mark_x);
1516 adjustment[i].yoff = - (base_y - mark_y);
1517 adjustment[i].back = (g - prev);
1518 adjustment[i].xadv = 0;
1519 adjustment[i].advance_is_absolute = 1;
1520 adjustment[i].set = 1;
1521 this_from = g->from;
1522 this_to = g->to;
1523 for (j = 0; prev + j < g; j++)
1524 {
1525 if (this_from > prev[j].from)
1526 this_from = prev[j].from;
1527 if (this_to < prev[j].to)
1528 this_to = prev[j].to;
1529 }
1530 for (; prev <= g; prev++)
1531 {
1532 prev->from = this_from;
1533 prev->to = this_to;
1534 }
1535 }
1536 }
1537 if (otfg->GlyphClass == OTF_GlyphClass0)
1538 base = mark = g;
1539 else if (otfg->GlyphClass == OTF_GlyphClassMark)
1540 mark = g;
1541 else
1542 base = g;
1543 }
1544 }
1545 return to;
1546
1547 simple_copy:
1548 if (out->allocated < out->used + len)
1549 return -2;
1550 font->get_metrics (font, in, from, to);
1551 memcpy (out->glyphs + out->used, in->glyphs + from,
1552 sizeof (MFLTGlyph) * len);
1553 out->used += len;
1554 return to;
1555}
1556
1557static MFLTGlyphString gstring;
1558
1559static int m17n_flt_initialized;
1560
1561extern Lisp_Object QCfamily;
1562
1563Lisp_Object
1564ftfont_shape_by_flt (lgstring, font, ft_face, otf)
1565 Lisp_Object lgstring;
1566 struct font *font;
1567 FT_Face ft_face;
1568 OTF *otf;
1569{
1570 EMACS_UINT len = LGSTRING_LENGTH (lgstring);
1571 EMACS_UINT i;
1572 struct MFLTFontFT flt_font_ft;
1573
1574 if (! m17n_flt_initialized)
1575 {
1576 M17N_INIT ();
1577 m17n_flt_initialized = 1;
1578 }
1579
1580 for (i = 0; i < len; i++)
1581 if (NILP (LGSTRING_GLYPH (lgstring, i)))
1582 break;
1583 len = i;
1584
1585 if (gstring.allocated == 0)
1586 {
1587 gstring.allocated = len * 2;
1588 gstring.glyph_size = sizeof (MFLTGlyph);
1589 gstring.glyphs = malloc (sizeof (MFLTGlyph) * gstring.allocated);
1590 }
1591 else if (gstring.allocated < len * 2)
1592 {
1593 gstring.allocated = len * 2;
1594 gstring.glyphs = realloc (gstring.glyphs,
1595 sizeof (MFLTGlyph) * gstring.allocated);
1596 }
1597 for (i = 0; i < len; i++)
1598 gstring.glyphs[i].c = LGLYPH_CHAR (LGSTRING_GLYPH (lgstring, i));
1599 gstring.used = len;
1600 gstring.r2l = 0;
1601
1602 {
1603 Lisp_Object family = Ffont_get (LGSTRING_FONT (lgstring), QCfamily);
1604
1605 if (NILP (family))
1606 flt_font_ft.flt_font.family = Mnil;
1607 else
21988a08
KH		 1608 flt_font_ft.flt_font.family
1609 = msymbol ((char *) SDATA (SYMBOL_NAME (family)));
de023c40
KH		 1610 }
1611 flt_font_ft.flt_font.x_ppem = ft_face->size->metrics.x_ppem;
1612 flt_font_ft.flt_font.y_ppem = ft_face->size->metrics.y_ppem;
1613 flt_font_ft.flt_font.get_glyph_id = ftfont_get_glyph_id;
1614 flt_font_ft.flt_font.get_metrics = ftfont_get_metrics;
1615 flt_font_ft.flt_font.check_otf = ftfont_check_otf;
1616 flt_font_ft.flt_font.drive_otf = ftfont_drive_otf;
1617 flt_font_ft.flt_font.internal = NULL;
1618 flt_font_ft.font = font;
1619 flt_font_ft.ft_face = ft_face;
1620 flt_font_ft.otf = otf;
1621 for (i = 0; i < 3; i++)
1622 {
1623 int result = mflt_run (&gstring, 0, len, &flt_font_ft.flt_font, NULL);
1624 if (result != -2)
1625 break;
1626 gstring.allocated += gstring.allocated;
1627 gstring.glyphs = realloc (gstring.glyphs,
1628 sizeof (MFLTGlyph) * gstring.allocated);
1629 }
1630 if (gstring.used > LGSTRING_LENGTH (lgstring))
1631 return Qnil;
1632 for (i = 0; i < gstring.used; i++)
1633 {
1634 MFLTGlyph *g = gstring.glyphs + i;
1635
1636 g->from = LGLYPH_FROM (LGSTRING_GLYPH (lgstring, g->from));
1637 g->to = LGLYPH_TO (LGSTRING_GLYPH (lgstring, g->to));
1638 }
1639
1640 for (i = 0; i < gstring.used; i++)
1641 {
1642 Lisp_Object lglyph = LGSTRING_GLYPH (lgstring, i);
1643 MFLTGlyph *g = gstring.glyphs + i;
1644
4cec6061
KH		 1645 if (NILP (lglyph))
1646 {
1647 lglyph = Fmake_vector (make_number (LGLYPH_SIZE), Qnil);
1648 LGSTRING_SET_GLYPH (lgstring, i, lglyph);
1649 }
de023c40
KH		 1650 LGLYPH_SET_FROM (lglyph, g->from);
1651 LGLYPH_SET_TO (lglyph, g->to);
1652 LGLYPH_SET_CHAR (lglyph, g->c);
1653 LGLYPH_SET_CODE (lglyph, g->code);
1654 LGLYPH_SET_WIDTH (lglyph, g->xadv >> 6);
1655 LGLYPH_SET_LBEARING (lglyph, g->lbearing >> 6);
1656 LGLYPH_SET_RBEARING (lglyph, g->rbearing >> 6);
1657 LGLYPH_SET_ASCENT (lglyph, g->ascent >> 6);
1658 LGLYPH_SET_DESCENT (lglyph, g->descent >> 6);
1659 if (g->adjusted)
1660 {
1661 Lisp_Object vec;
1662
1663 vec = Fmake_vector (make_number (3), Qnil);
1664 ASET (vec, 0, make_number (g->xoff >> 6));
1665 ASET (vec, 1, make_number (g->yoff >> 6));
1666 ASET (vec, 2, make_number (g->xadv >> 6));
1667 LGLYPH_SET_ADJUSTMENT (lglyph, vec);
1668 }
1669 }
1670 return make_number (i);
1671}
1672
1673Lisp_Object
1674ftfont_shape (lgstring)
1675 Lisp_Object lgstring;
1676{
1677 struct font *font;
1678 struct ftfont_info *ftfont_info;
1679
1680 CHECK_FONT_GET_OBJECT (LGSTRING_FONT (lgstring), font);
1681 ftfont_info = (struct ftfont_info *) font;
1682 if (! ftfont_info->maybe_otf)
4cc1c806 1683 return make_number (0);
de023c40
KH		 1684 if (! ftfont_info->otf)
1685 {
1686 OTF *otf = OTF_open_ft_face (ftfont_info->ft_size->face);
1687
1688 if (! otf || OTF_get_table (otf, "head") < 0)
1689 {
1690 if (otf)
1691 OTF_close (otf);
1692 ftfont_info->maybe_otf = 0;
4cc1c806 1693 return make_number (0);
de023c40
KH		 1694 }
1695
1696 ftfont_info->otf = otf;
1697 }
1698
1699 return ftfont_shape_by_flt (lgstring, font, ftfont_info->ft_size->face,
1700 ftfont_info->otf);
1701}
1702
1703#endif /* HAVE_M17N_FLT */
1704#endif /* HAVE_LIBOTF */
1705
0b966021
KH		 1706Lisp_Object
1707ftfont_font_format (FcPattern *pattern)
1708{
e907d979 1709 FcChar8 *str;
719b3d63 1710 int len;
0b966021 1711
e907d979
KH		 1712#ifdef FC_FONTFORMAT
1713 if (FcPatternGetString (pattern, FC_FONTFORMAT, 0, &str) != FcResultMatch)
0b966021 1714 return Qnil;
e907d979 1715 if (strcmp ((char *) str, "TrueType") == 0)
0b966021 1716 return intern ("truetype");
48875afe 1717 if (strcmp ((char *) str, "Type 1") == 0)
0b966021 1718 return intern ("type1");
e907d979 1719 if (strcmp ((char *) str, "PCF") == 0)
0b966021 1720 return intern ("pcf");
e907d979 1721 if (strcmp ((char *) str, "BDF") == 0)
0b966021 1722 return intern ("bdf");
e907d979 1723#else /* not FC_FONTFORMAT */
09a56ce4 1724 if (FcPatternGetString (pattern, FC_FILE, 0, &str) != FcResultMatch)
e907d979 1725 return Qnil;
719b3d63
KH		 1726 len = strlen ((char *) str);
1727 if (len >= 4)
1728 {
1729 str += len - 4;
1730 if (xstrcasecmp ((char *) str, ".ttf") == 0)
1731 return intern ("truetype");
1732 if (xstrcasecmp ((char *) str, "pfb") == 0)
1733 return intern ("type1");
1734 if (xstrcasecmp ((char *) str, "pcf") == 0)
1735 return intern ("pcf");
1736 if (xstrcasecmp ((char *) str, "bdf") == 0)
1737 return intern ("bdf");
1738 }
e907d979 1739#endif /* not FC_FONTFORMAT */
0b966021
KH		 1740 return intern ("unknown");
1741}
1742
c2f5bfd6
KH		 1743\f
1744void
1745syms_of_ftfont ()
1746{
706b6995
KH		 1747 DEFSYM (Qfreetype, "freetype");
1748 DEFSYM (Qmonospace, "monospace");
1749 DEFSYM (Qsans_serif, "sans-serif");
1750 DEFSYM (Qserif, "serif");
1751 DEFSYM (Qmono, "mono");
1752 DEFSYM (Qsans, "sans");
1753 DEFSYM (Qsans__serif, "sans serif");
1754
c2f5bfd6 1755 staticpro (&freetype_font_cache);
c2801c99 1756 freetype_font_cache = Fcons (Qt, Qnil);
c2f5bfd6 1757
706b6995
KH		 1758 staticpro (&ftfont_generic_family_list);
1759 ftfont_generic_family_list
1760 = Fcons (Fcons (Qmonospace, Qt),
1761 Fcons (Fcons (Qsans_serif, Qt),
1762 Fcons (Fcons (Qsans, Qt), Qnil)));
c2f5bfd6 1763
21988a08
KH		 1764 staticpro (&ft_face_cache);
1765 ft_face_cache = Qnil;
1766
c2f5bfd6
KH		 1767 ftfont_driver.type = Qfreetype;
1768 register_font_driver (&ftfont_driver, NULL);
1769}
885b7d09
MB		 1770
1771/* arch-tag: 7cfa432c-33a6-4988-83d2-a82ed8604aca
1772 (do not change this comment) */
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