Commit | Line | Data |
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c2f5bfd6 | 1 | /* ftfont.c -- FreeType font driver. |
acaf905b | 2 | Copyright (C) 2006-2012 Free Software Foundation, Inc. |
5df4f04c | 3 | Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 |
c2f5bfd6 KH |
4 | National Institute of Advanced Industrial Science and Technology (AIST) |
5 | Registration Number H13PRO009 | |
6 | ||
7 | This file is part of GNU Emacs. | |
8 | ||
9ec0b715 | 9 | GNU Emacs is free software: you can redistribute it and/or modify |
c2f5bfd6 | 10 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
11 | the Free Software Foundation, either version 3 of the License, or |
12 | (at your option) any later version. | |
c2f5bfd6 KH |
13 | |
14 | GNU Emacs is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 20 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
c2f5bfd6 KH |
21 | |
22 | #include <config.h> | |
23 | #include <stdio.h> | |
c2f5bfd6 KH |
24 | #include <fontconfig/fontconfig.h> |
25 | #include <fontconfig/fcfreetype.h> | |
26 | ||
27 | #include "lisp.h" | |
28 | #include "dispextern.h" | |
29 | #include "frame.h" | |
30 | #include "blockinput.h" | |
31 | #include "character.h" | |
32 | #include "charset.h" | |
33 | #include "coding.h" | |
89a95b7c | 34 | #include "composite.h" |
c2f5bfd6 KH |
35 | #include "fontset.h" |
36 | #include "font.h" | |
de023c40 | 37 | #include "ftfont.h" |
c2f5bfd6 | 38 | |
c2801c99 | 39 | /* Symbolic type of this font-driver. */ |
955cbe7b | 40 | static Lisp_Object Qfreetype; |
c2f5bfd6 | 41 | |
706b6995 KH |
42 | /* Fontconfig's generic families and their aliases. */ |
43 | static Lisp_Object Qmonospace, Qsans_serif, Qserif, Qmono, Qsans, Qsans__serif; | |
44 | ||
2a46904e | 45 | /* Flag to tell if FcInit is already called or not. */ |
a864ef14 | 46 | static bool fc_initialized; |
c2801c99 KH |
47 | |
48 | /* Handle to a FreeType library instance. */ | |
c2f5bfd6 KH |
49 | static FT_Library ft_library; |
50 | ||
c2801c99 | 51 | /* Cache for FreeType fonts. */ |
c2f5bfd6 KH |
52 | static Lisp_Object freetype_font_cache; |
53 | ||
e302a291 | 54 | /* Cache for FT_Face and FcCharSet. */ |
21988a08 | 55 | static Lisp_Object ft_face_cache; |
c2f5bfd6 KH |
56 | |
57 | /* The actual structure for FreeType font that can be casted to struct | |
58 | font. */ | |
59 | ||
60 | struct ftfont_info | |
61 | { | |
62 | struct font font; | |
de023c40 | 63 | #ifdef HAVE_LIBOTF |
7179ce7b | 64 | /* The following four members must be here in this order to be |
e302a291 | 65 | compatible with struct xftfont_info (in xftfont.c). */ |
a864ef14 | 66 | bool maybe_otf; /* Flag to tell if this may be OTF or not. */ |
de023c40 KH |
67 | OTF *otf; |
68 | #endif /* HAVE_LIBOTF */ | |
e302a291 KH |
69 | FT_Size ft_size; |
70 | int index; | |
d0db2ec8 | 71 | FT_Matrix matrix; |
c2f5bfd6 KH |
72 | }; |
73 | ||
d7782105 KH |
74 | enum ftfont_cache_for |
75 | { | |
76 | FTFONT_CACHE_FOR_FACE, | |
77 | FTFONT_CACHE_FOR_CHARSET, | |
78 | FTFONT_CACHE_FOR_ENTITY | |
79 | }; | |
80 | ||
f57e2426 | 81 | static Lisp_Object ftfont_pattern_entity (FcPattern *, Lisp_Object); |
21988a08 | 82 | |
f57e2426 J |
83 | static Lisp_Object ftfont_resolve_generic_family (Lisp_Object, |
84 | FcPattern *); | |
85 | static Lisp_Object ftfont_lookup_cache (Lisp_Object, | |
86 | enum ftfont_cache_for); | |
e302a291 | 87 | |
f57e2426 | 88 | static void ftfont_filter_properties (Lisp_Object font, Lisp_Object alist); |
9fa82824 | 89 | |
f57e2426 | 90 | Lisp_Object ftfont_font_format (FcPattern *, Lisp_Object); |
706b6995 KH |
91 | |
92 | #define SYMBOL_FcChar8(SYM) (FcChar8 *) SDATA (SYMBOL_NAME (SYM)) | |
93 | ||
21988a08 | 94 | static struct |
c2f5bfd6 | 95 | { |
e302a291 | 96 | /* registry name */ |
675e2c69 | 97 | const char *name; |
21988a08 KH |
98 | /* characters to distinguish the charset from the others */ |
99 | int uniquifier[6]; | |
7d7ad10e | 100 | /* additional constraint by language */ |
675e2c69 | 101 | const char *lang; |
21988a08 KH |
102 | /* set on demand */ |
103 | FcCharSet *fc_charset; | |
104 | } fc_charset_table[] = | |
d7782105 | 105 | { { "iso8859-1", { 0x00A0, 0x00A1, 0x00B4, 0x00BC, 0x00D0 } }, |
e302a291 KH |
106 | { "iso8859-2", { 0x00A0, 0x010E }}, |
107 | { "iso8859-3", { 0x00A0, 0x0108 }}, | |
108 | { "iso8859-4", { 0x00A0, 0x00AF, 0x0128, 0x0156, 0x02C7 }}, | |
109 | { "iso8859-5", { 0x00A0, 0x0401 }}, | |
110 | { "iso8859-6", { 0x00A0, 0x060C }}, | |
111 | { "iso8859-7", { 0x00A0, 0x0384 }}, | |
112 | { "iso8859-8", { 0x00A0, 0x05D0 }}, | |
113 | { "iso8859-9", { 0x00A0, 0x00A1, 0x00BC, 0x011E }}, | |
114 | { "iso8859-10", { 0x00A0, 0x00D0, 0x0128, 0x2015 }}, | |
115 | { "iso8859-11", { 0x00A0, 0x0E01 }}, | |
116 | { "iso8859-13", { 0x00A0, 0x201C }}, | |
117 | { "iso8859-14", { 0x00A0, 0x0174 }}, | |
118 | { "iso8859-15", { 0x00A0, 0x00A1, 0x00D0, 0x0152 }}, | |
119 | { "iso8859-16", { 0x00A0, 0x0218}}, | |
120 | { "gb2312.1980-0", { 0x4E13 }, "zh-cn"}, | |
121 | { "big5-0", { 0xF6B1 }, "zh-tw" }, | |
122 | { "jisx0208.1983-0", { 0x4E55 }, "ja"}, | |
123 | { "ksc5601.1985-0", { 0xAC00 }, "ko"}, | |
124 | { "cns11643.1992-1", { 0xFE32 }, "zh-tw"}, | |
125 | { "cns11643.1992-2", { 0x4E33, 0x7934 }}, | |
126 | { "cns11643.1992-3", { 0x201A9 }}, | |
127 | { "cns11643.1992-4", { 0x20057 }}, | |
128 | { "cns11643.1992-5", { 0x20000 }}, | |
129 | { "cns11643.1992-6", { 0x20003 }}, | |
130 | { "cns11643.1992-7", { 0x20055 }}, | |
131 | { "gbk-0", { 0x4E06 }, "zh-cn"}, | |
132 | { "jisx0212.1990-0", { 0x4E44 }}, | |
133 | { "jisx0213.2000-1", { 0xFA10 }, "ja"}, | |
134 | { "jisx0213.2000-2", { 0xFA49 }}, | |
135 | { "jisx0213.2004-1", { 0x20B9F }}, | |
136 | { "viscii1.1-1", { 0x1EA0, 0x1EAE, 0x1ED2 }, "vi"}, | |
137 | { "tis620.2529-1", { 0x0E01 }, "th"}, | |
7d7ad10e KH |
138 | { "windows-1251", { 0x0401, 0x0490 }, "ru"}, |
139 | { "koi8-r", { 0x0401, 0x2219 }, "ru"}, | |
e302a291 | 140 | { "mulelao-1", { 0x0E81 }, "lo"}, |
7b649478 | 141 | { "unicode-sip", { 0x20000 }}, |
21988a08 KH |
142 | { NULL } |
143 | }; | |
c2f5bfd6 | 144 | |
99c4d65d KH |
145 | /* Dirty hack for handing ADSTYLE property. |
146 | ||
147 | Fontconfig (actually the underlying FreeType) gives such ADSTYLE | |
148 | font property of PCF/BDF fonts in FC_STYLE. And, "Bold", | |
149 | "Oblique", "Italic", or any non-normal SWIDTH property names | |
150 | (e.g. SemiCondensed) are appended. In addition, if there's no | |
151 | ADSTYLE property nor non-normal WEIGHT/SLANT/SWIDTH properties, | |
152 | "Regular" is used for FC_STYLE (see the function | |
153 | pcf_interpret_style in src/pcf/pcfread.c of FreeType). | |
154 | ||
155 | Unfortunately this behavior is not documented, so the following | |
156 | code may fail if FreeType changes the behavior in the future. */ | |
157 | ||
158 | static Lisp_Object | |
159 | get_adstyle_property (FcPattern *p) | |
160 | { | |
dae0cd48 PE |
161 | FcChar8 *fcstr; |
162 | char *str, *end; | |
99c4d65d KH |
163 | Lisp_Object adstyle; |
164 | ||
c3c9e25e KH |
165 | #ifdef FC_FONTFORMAT |
166 | if ((FcPatternGetString (p, FC_FONTFORMAT, 0, &fcstr) == FcResultMatch) | |
745fff94 KH |
167 | && xstrcasecmp ((char *) fcstr, "bdf") != 0 |
168 | && xstrcasecmp ((char *) fcstr, "pcf") != 0) | |
c3c9e25e KH |
169 | /* Not a BDF nor PCF font. */ |
170 | return Qnil; | |
171 | #endif | |
dae0cd48 | 172 | if (FcPatternGetString (p, FC_STYLE, 0, &fcstr) != FcResultMatch) |
99c4d65d | 173 | return Qnil; |
dae0cd48 | 174 | str = (char *) fcstr; |
99c4d65d KH |
175 | for (end = str; *end && *end != ' '; end++); |
176 | if (*end) | |
177 | { | |
49eaafba PE |
178 | char *newstr = alloca (end - str + 1); |
179 | memcpy (newstr, str, end - str); | |
180 | newstr[end - str] = '\0'; | |
181 | end = newstr + (end - str); | |
182 | str = newstr; | |
99c4d65d KH |
183 | } |
184 | if (xstrcasecmp (str, "Regular") == 0 | |
185 | || xstrcasecmp (str, "Bold") == 0 | |
186 | || xstrcasecmp (str, "Oblique") == 0 | |
187 | || xstrcasecmp (str, "Italic") == 0) | |
188 | return Qnil; | |
42d4a64f | 189 | adstyle = font_intern_prop (str, end - str, 1); |
99c4d65d KH |
190 | if (font_style_to_value (FONT_WIDTH_INDEX, adstyle, 0) >= 0) |
191 | return Qnil; | |
192 | return adstyle; | |
193 | } | |
194 | ||
706b6995 | 195 | static Lisp_Object |
971de7fb | 196 | ftfont_pattern_entity (FcPattern *p, Lisp_Object extra) |
c2801c99 | 197 | { |
d7782105 | 198 | Lisp_Object key, cache, entity; |
dae0cd48 PE |
199 | FcChar8 *str; |
200 | char *file; | |
49eaafba | 201 | int idx; |
c2801c99 KH |
202 | int numeric; |
203 | double dbl; | |
42984a74 | 204 | FcBool b; |
c2801c99 | 205 | |
dae0cd48 | 206 | if (FcPatternGetString (p, FC_FILE, 0, &str) != FcResultMatch) |
c2801c99 | 207 | return Qnil; |
49eaafba | 208 | if (FcPatternGetInteger (p, FC_INDEX, 0, &idx) != FcResultMatch) |
e302a291 | 209 | return Qnil; |
c2801c99 | 210 | |
dae0cd48 | 211 | file = (char *) str; |
d7ea76b4 | 212 | key = Fcons (build_unibyte_string (file), make_number (idx)); |
d7782105 KH |
213 | cache = ftfont_lookup_cache (key, FTFONT_CACHE_FOR_ENTITY); |
214 | entity = XCAR (cache); | |
215 | if (! NILP (entity)) | |
b50504f5 KH |
216 | { |
217 | Lisp_Object val = font_make_entity (); | |
218 | int i; | |
219 | ||
220 | for (i = 0; i < FONT_OBJLIST_INDEX; i++) | |
221 | ASET (val, i, AREF (entity, i)); | |
d5617611 CY |
222 | |
223 | ASET (val, FONT_EXTRA_INDEX, Fcopy_sequence (extra)); | |
224 | font_put_extra (val, QCfont_entity, key); | |
225 | ||
b50504f5 KH |
226 | return val; |
227 | } | |
42984a74 | 228 | entity = font_make_entity (); |
d7782105 | 229 | XSETCAR (cache, entity); |
c2801c99 KH |
230 | |
231 | ASET (entity, FONT_TYPE_INDEX, Qfreetype); | |
e302a291 | 232 | ASET (entity, FONT_REGISTRY_INDEX, Qiso10646_1); |
c2801c99 | 233 | |
dae0cd48 PE |
234 | if (FcPatternGetString (p, FC_FOUNDRY, 0, &str) == FcResultMatch) |
235 | { | |
236 | char *s = (char *) str; | |
237 | ASET (entity, FONT_FOUNDRY_INDEX, font_intern_prop (s, strlen (s), 1)); | |
238 | } | |
239 | if (FcPatternGetString (p, FC_FAMILY, 0, &str) == FcResultMatch) | |
240 | { | |
241 | char *s = (char *) str; | |
242 | ASET (entity, FONT_FAMILY_INDEX, font_intern_prop (s, strlen (s), 1)); | |
243 | } | |
c2801c99 | 244 | if (FcPatternGetInteger (p, FC_WEIGHT, 0, &numeric) == FcResultMatch) |
f63d54dc | 245 | { |
42984a74 KH |
246 | if (numeric >= FC_WEIGHT_REGULAR && numeric < FC_WEIGHT_MEDIUM) |
247 | numeric = FC_WEIGHT_MEDIUM; | |
248 | FONT_SET_STYLE (entity, FONT_WEIGHT_INDEX, make_number (numeric)); | |
f63d54dc | 249 | } |
c2801c99 | 250 | if (FcPatternGetInteger (p, FC_SLANT, 0, &numeric) == FcResultMatch) |
42984a74 KH |
251 | { |
252 | numeric += 100; | |
253 | FONT_SET_STYLE (entity, FONT_SLANT_INDEX, make_number (numeric)); | |
254 | } | |
c2801c99 | 255 | if (FcPatternGetInteger (p, FC_WIDTH, 0, &numeric) == FcResultMatch) |
42984a74 KH |
256 | { |
257 | FONT_SET_STYLE (entity, FONT_WIDTH_INDEX, make_number (numeric)); | |
258 | } | |
c2801c99 | 259 | if (FcPatternGetDouble (p, FC_PIXEL_SIZE, 0, &dbl) == FcResultMatch) |
99c4d65d | 260 | { |
99c4d65d | 261 | ASET (entity, FONT_SIZE_INDEX, make_number (dbl)); |
99c4d65d | 262 | } |
c2801c99 KH |
263 | else |
264 | ASET (entity, FONT_SIZE_INDEX, make_number (0)); | |
42984a74 KH |
265 | if (FcPatternGetInteger (p, FC_SPACING, 0, &numeric) == FcResultMatch) |
266 | ASET (entity, FONT_SPACING_INDEX, make_number (numeric)); | |
267 | if (FcPatternGetDouble (p, FC_DPI, 0, &dbl) == FcResultMatch) | |
268 | { | |
269 | int dpi = dbl; | |
270 | ASET (entity, FONT_DPI_INDEX, make_number (dpi)); | |
271 | } | |
272 | if (FcPatternGetBool (p, FC_SCALABLE, 0, &b) == FcResultMatch | |
273 | && b == FcTrue) | |
d7782105 KH |
274 | { |
275 | ASET (entity, FONT_SIZE_INDEX, make_number (0)); | |
276 | ASET (entity, FONT_AVGWIDTH_INDEX, make_number (0)); | |
277 | } | |
278 | else | |
279 | { | |
e1dbe924 | 280 | /* As this font is not scalable, perhaps this is a BDF or PCF |
9fa82824 | 281 | font. */ |
d7782105 KH |
282 | FT_Face ft_face; |
283 | ||
284 | ASET (entity, FONT_ADSTYLE_INDEX, get_adstyle_property (p)); | |
285 | if ((ft_library || FT_Init_FreeType (&ft_library) == 0) | |
49eaafba | 286 | && FT_New_Face (ft_library, file, idx, &ft_face) == 0) |
d7782105 KH |
287 | { |
288 | BDF_PropertyRec rec; | |
289 | ||
290 | if (FT_Get_BDF_Property (ft_face, "AVERAGE_WIDTH", &rec) == 0 | |
291 | && rec.type == BDF_PROPERTY_TYPE_INTEGER) | |
292 | ASET (entity, FONT_AVGWIDTH_INDEX, make_number (rec.u.integer)); | |
293 | FT_Done_Face (ft_face); | |
294 | } | |
295 | } | |
c2801c99 | 296 | |
4ffe34a4 | 297 | ASET (entity, FONT_EXTRA_INDEX, Fcopy_sequence (extra)); |
d7782105 | 298 | font_put_extra (entity, QCfont_entity, key); |
c2801c99 KH |
299 | return entity; |
300 | } | |
301 | ||
42984a74 | 302 | |
706b6995 KH |
303 | static Lisp_Object ftfont_generic_family_list; |
304 | ||
305 | static Lisp_Object | |
971de7fb | 306 | ftfont_resolve_generic_family (Lisp_Object family, FcPattern *pattern) |
706b6995 | 307 | { |
318548be | 308 | Lisp_Object slot; |
7d7ad10e | 309 | FcPattern *match; |
318548be | 310 | FcResult result; |
89a95b7c | 311 | FcLangSet *langset; |
706b6995 | 312 | |
318548be | 313 | family = Fintern (Fdowncase (SYMBOL_NAME (family)), Qnil); |
706b6995 KH |
314 | if (EQ (family, Qmono)) |
315 | family = Qmonospace; | |
316 | else if (EQ (family, Qsans) || EQ (family, Qsans__serif)) | |
317 | family = Qsans_serif; | |
318 | slot = assq_no_quit (family, ftfont_generic_family_list); | |
319 | if (! CONSP (slot)) | |
42984a74 | 320 | return Qnil; |
318548be KH |
321 | if (! EQ (XCDR (slot), Qt)) |
322 | return XCDR (slot); | |
7d7ad10e | 323 | pattern = FcPatternDuplicate (pattern); |
42984a74 KH |
324 | if (! pattern) |
325 | goto err; | |
bb658864 | 326 | FcPatternDel (pattern, FC_FOUNDRY); |
7d7ad10e KH |
327 | FcPatternDel (pattern, FC_FAMILY); |
328 | FcPatternAddString (pattern, FC_FAMILY, SYMBOL_FcChar8 (family)); | |
89a95b7c KH |
329 | if (FcPatternGetLangSet (pattern, FC_LANG, 0, &langset) != FcResultMatch) |
330 | { | |
331 | /* This is to avoid the effect of locale. */ | |
8ff096c1 | 332 | static const FcChar8 lang[] = "en"; |
89a95b7c | 333 | langset = FcLangSetCreate (); |
8ff096c1 | 334 | FcLangSetAdd (langset, lang); |
89a95b7c KH |
335 | FcPatternAddLangSet (pattern, FC_LANG, langset); |
336 | FcLangSetDestroy (langset); | |
337 | } | |
42984a74 | 338 | FcConfigSubstitute (NULL, pattern, FcMatchPattern); |
318548be KH |
339 | FcDefaultSubstitute (pattern); |
340 | match = FcFontMatch (NULL, pattern, &result); | |
341 | if (match) | |
706b6995 | 342 | { |
318548be KH |
343 | FcChar8 *fam; |
344 | ||
345 | if (FcPatternGetString (match, FC_FAMILY, 0, &fam) == FcResultMatch) | |
346 | family = intern ((char *) fam); | |
706b6995 | 347 | } |
318548be KH |
348 | else |
349 | family = Qnil; | |
350 | XSETCDR (slot, family); | |
318548be | 351 | if (match) FcPatternDestroy (match); |
bf39cdd8 | 352 | err: |
42984a74 | 353 | if (pattern) FcPatternDestroy (pattern); |
318548be | 354 | return family; |
706b6995 KH |
355 | } |
356 | ||
e302a291 KH |
357 | struct ftfont_cache_data |
358 | { | |
359 | FT_Face ft_face; | |
360 | FcCharSet *fc_charset; | |
361 | }; | |
362 | ||
363 | static Lisp_Object | |
971de7fb | 364 | ftfont_lookup_cache (Lisp_Object key, enum ftfont_cache_for cache_for) |
21988a08 | 365 | { |
99c4d65d | 366 | Lisp_Object cache, val, entity; |
e302a291 | 367 | struct ftfont_cache_data *cache_data; |
21988a08 | 368 | |
99c4d65d KH |
369 | if (FONT_ENTITY_P (key)) |
370 | { | |
371 | entity = key; | |
372 | val = assq_no_quit (QCfont_entity, AREF (entity, FONT_EXTRA_INDEX)); | |
a54e2c05 | 373 | eassert (CONSP (val)); |
99c4d65d KH |
374 | key = XCDR (val); |
375 | } | |
376 | else | |
377 | entity = Qnil; | |
378 | ||
d7782105 KH |
379 | if (NILP (ft_face_cache)) |
380 | cache = Qnil; | |
381 | else | |
382 | cache = Fgethash (key, ft_face_cache, Qnil); | |
21988a08 KH |
383 | if (NILP (cache)) |
384 | { | |
d7782105 KH |
385 | if (NILP (ft_face_cache)) |
386 | { | |
387 | Lisp_Object args[2]; | |
388 | ||
389 | args[0] = QCtest; | |
390 | args[1] = Qequal; | |
391 | ft_face_cache = Fmake_hash_table (2, args); | |
392 | } | |
38182d90 | 393 | cache_data = xmalloc (sizeof *cache_data); |
e302a291 KH |
394 | cache_data->ft_face = NULL; |
395 | cache_data->fc_charset = NULL; | |
21988a08 | 396 | val = make_save_value (NULL, 0); |
e302a291 KH |
397 | XSAVE_VALUE (val)->integer = 0; |
398 | XSAVE_VALUE (val)->pointer = cache_data; | |
d7782105 KH |
399 | cache = Fcons (Qnil, val); |
400 | Fputhash (key, cache, ft_face_cache); | |
21988a08 KH |
401 | } |
402 | else | |
21988a08 | 403 | { |
e302a291 KH |
404 | val = XCDR (cache); |
405 | cache_data = XSAVE_VALUE (val)->pointer; | |
406 | } | |
d7782105 KH |
407 | |
408 | if (cache_for == FTFONT_CACHE_FOR_ENTITY) | |
409 | return cache; | |
410 | ||
411 | if (cache_for == FTFONT_CACHE_FOR_FACE | |
412 | ? ! cache_data->ft_face : ! cache_data->fc_charset) | |
e302a291 | 413 | { |
51b59d79 | 414 | char *filename = SSDATA (XCAR (key)); |
49eaafba | 415 | int idx = XINT (XCDR (key)); |
21988a08 | 416 | |
d7782105 | 417 | if (cache_for == FTFONT_CACHE_FOR_FACE) |
e302a291 KH |
418 | { |
419 | if (! ft_library | |
420 | && FT_Init_FreeType (&ft_library) != 0) | |
421 | return Qnil; | |
49eaafba | 422 | if (FT_New_Face (ft_library, filename, idx, &cache_data->ft_face) |
e302a291 KH |
423 | != 0) |
424 | return Qnil; | |
425 | } | |
426 | else | |
427 | { | |
99c4d65d KH |
428 | FcPattern *pat = NULL; |
429 | FcFontSet *fontset = NULL; | |
430 | FcObjectSet *objset = NULL; | |
431 | FcCharSet *charset = NULL; | |
e302a291 KH |
432 | |
433 | pat = FcPatternBuild (0, FC_FILE, FcTypeString, (FcChar8 *) filename, | |
49eaafba | 434 | FC_INDEX, FcTypeInteger, idx, NULL); |
99c4d65d KH |
435 | if (! pat) |
436 | goto finish; | |
437 | objset = FcObjectSetBuild (FC_CHARSET, FC_STYLE, NULL); | |
438 | if (! objset) | |
439 | goto finish; | |
e302a291 | 440 | fontset = FcFontList (NULL, pat, objset); |
99c4d65d KH |
441 | if (! fontset) |
442 | goto finish; | |
d7782105 KH |
443 | if (fontset && fontset->nfont > 0 |
444 | && (FcPatternGetCharSet (fontset->fonts[0], FC_CHARSET, 0, | |
1c0db158 | 445 | &charset) |
d7782105 KH |
446 | == FcResultMatch)) |
447 | cache_data->fc_charset = FcCharSetCopy (charset); | |
e302a291 KH |
448 | else |
449 | cache_data->fc_charset = FcCharSetCreate (); | |
99c4d65d KH |
450 | |
451 | finish: | |
452 | if (fontset) | |
453 | FcFontSetDestroy (fontset); | |
454 | if (objset) | |
455 | FcObjectSetDestroy (objset); | |
456 | if (pat) | |
457 | FcPatternDestroy (pat); | |
e302a291 | 458 | } |
21988a08 KH |
459 | } |
460 | return cache; | |
461 | } | |
462 | ||
e302a291 | 463 | FcCharSet * |
971de7fb | 464 | ftfont_get_fc_charset (Lisp_Object entity) |
e302a291 KH |
465 | { |
466 | Lisp_Object val, cache; | |
467 | struct ftfont_cache_data *cache_data; | |
468 | ||
d7782105 | 469 | cache = ftfont_lookup_cache (entity, FTFONT_CACHE_FOR_CHARSET); |
e302a291 KH |
470 | val = XCDR (cache); |
471 | cache_data = XSAVE_VALUE (val)->pointer; | |
472 | return cache_data->fc_charset; | |
473 | } | |
474 | ||
475 | #ifdef HAVE_LIBOTF | |
476 | static OTF * | |
d5a3eaaf | 477 | ftfont_get_otf (struct ftfont_info *ftfont_info) |
e302a291 KH |
478 | { |
479 | OTF *otf; | |
480 | ||
481 | if (ftfont_info->otf) | |
482 | return ftfont_info->otf; | |
483 | if (! ftfont_info->maybe_otf) | |
484 | return NULL; | |
485 | otf = OTF_open_ft_face (ftfont_info->ft_size->face); | |
486 | if (! otf || OTF_get_table (otf, "head") < 0) | |
487 | { | |
488 | if (otf) | |
489 | OTF_close (otf); | |
490 | ftfont_info->maybe_otf = 0; | |
491 | return NULL; | |
492 | } | |
493 | ftfont_info->otf = otf; | |
494 | return otf; | |
495 | } | |
496 | #endif /* HAVE_LIBOTF */ | |
497 | ||
f57e2426 J |
498 | static Lisp_Object ftfont_get_cache (FRAME_PTR); |
499 | static Lisp_Object ftfont_list (Lisp_Object, Lisp_Object); | |
500 | static Lisp_Object ftfont_match (Lisp_Object, Lisp_Object); | |
501 | static Lisp_Object ftfont_list_family (Lisp_Object); | |
502 | static Lisp_Object ftfont_open (FRAME_PTR, Lisp_Object, int); | |
503 | static void ftfont_close (FRAME_PTR, struct font *); | |
504 | static int ftfont_has_char (Lisp_Object, int); | |
505 | static unsigned ftfont_encode_char (struct font *, int); | |
506 | static int ftfont_text_extents (struct font *, unsigned *, int, | |
507 | struct font_metrics *); | |
508 | static int ftfont_get_bitmap (struct font *, unsigned, | |
509 | struct font_bitmap *, int); | |
510 | static int ftfont_anchor_point (struct font *, unsigned, int, | |
511 | int *, int *); | |
a00924bb | 512 | #ifdef HAVE_LIBOTF |
f57e2426 | 513 | static Lisp_Object ftfont_otf_capability (struct font *); |
a00924bb | 514 | # ifdef HAVE_M17N_FLT |
f57e2426 | 515 | static Lisp_Object ftfont_shape (Lisp_Object); |
a00924bb PE |
516 | # endif |
517 | #endif | |
3ce80cbe | 518 | |
3ce80cbe | 519 | #ifdef HAVE_OTF_GET_VARIATION_GLYPHS |
f57e2426 J |
520 | static int ftfont_variation_glyphs (struct font *, int c, |
521 | unsigned variations[256]); | |
3ce80cbe | 522 | #endif /* HAVE_OTF_GET_VARIATION_GLYPHS */ |
c2f5bfd6 KH |
523 | |
524 | struct font_driver ftfont_driver = | |
525 | { | |
bfe3e0a2 | 526 | LISP_INITIALLY_ZERO, /* Qfreetype */ |
42984a74 | 527 | 0, /* case insensitive */ |
c2f5bfd6 | 528 | ftfont_get_cache, |
c2f5bfd6 | 529 | ftfont_list, |
8daf5667 | 530 | ftfont_match, |
c2f5bfd6 | 531 | ftfont_list_family, |
2b33f1ef | 532 | NULL, /* free_entity */ |
c2f5bfd6 KH |
533 | ftfont_open, |
534 | ftfont_close, | |
535 | /* We can't draw a text without device dependent functions. */ | |
2b33f1ef KH |
536 | NULL, /* prepare_face */ |
537 | NULL, /* done_face */ | |
c2f5bfd6 KH |
538 | ftfont_has_char, |
539 | ftfont_encode_char, | |
540 | ftfont_text_extents, | |
541 | /* We can't draw a text without device dependent functions. */ | |
2b33f1ef | 542 | NULL, /* draw */ |
c2f5bfd6 | 543 | ftfont_get_bitmap, |
2b33f1ef KH |
544 | NULL, /* free_bitmap */ |
545 | NULL, /* get_outline */ | |
a864ef14 | 546 | NULL, /* free_outline */ |
c2f5bfd6 | 547 | ftfont_anchor_point, |
e302a291 KH |
548 | #ifdef HAVE_LIBOTF |
549 | ftfont_otf_capability, | |
550 | #else /* not HAVE_LIBOTF */ | |
c2f5bfd6 | 551 | NULL, |
e302a291 | 552 | #endif /* not HAVE_LIBOTF */ |
2b33f1ef KH |
553 | NULL, /* otf_drive */ |
554 | NULL, /* start_for_frame */ | |
555 | NULL, /* end_for_frame */ | |
637ac44c | 556 | #if defined (HAVE_M17N_FLT) && defined (HAVE_LIBOTF) |
2b33f1ef | 557 | ftfont_shape, |
637ac44c | 558 | #else /* not (HAVE_M17N_FLT && HAVE_LIBOTF) */ |
2b33f1ef | 559 | NULL, |
637ac44c | 560 | #endif /* not (HAVE_M17N_FLT && HAVE_LIBOTF) */ |
2b33f1ef | 561 | NULL, /* check */ |
3ce80cbe | 562 | |
e3869731 | 563 | #ifdef HAVE_OTF_GET_VARIATION_GLYPHS |
637fa988 | 564 | ftfont_variation_glyphs, |
2b33f1ef | 565 | #else |
637fa988 | 566 | NULL, |
2b33f1ef | 567 | #endif |
637fa988 JD |
568 | |
569 | ftfont_filter_properties, /* filter_properties */ | |
c2f5bfd6 KH |
570 | }; |
571 | ||
c2f5bfd6 | 572 | static Lisp_Object |
971de7fb | 573 | ftfont_get_cache (FRAME_PTR f) |
c2f5bfd6 | 574 | { |
c2f5bfd6 KH |
575 | return freetype_font_cache; |
576 | } | |
577 | ||
21988a08 | 578 | static int |
971de7fb | 579 | ftfont_get_charset (Lisp_Object registry) |
21988a08 | 580 | { |
51b59d79 | 581 | char *str = SSDATA (SYMBOL_NAME (registry)); |
e302a291 KH |
582 | char *re = alloca (SBYTES (SYMBOL_NAME (registry)) * 2 + 1); |
583 | Lisp_Object regexp; | |
21988a08 KH |
584 | int i, j; |
585 | ||
e302a291 KH |
586 | for (i = j = 0; i < SBYTES (SYMBOL_NAME (registry)); i++, j++) |
587 | { | |
588 | if (str[i] == '.') | |
589 | re[j++] = '\\'; | |
590 | else if (str[i] == '*') | |
591 | re[j++] = '.'; | |
592 | re[j] = str[i]; | |
593 | if (re[j] == '?') | |
594 | re[j] = '.'; | |
595 | } | |
596 | re[j] = '\0'; | |
597 | regexp = make_unibyte_string (re, j); | |
21988a08 | 598 | for (i = 0; fc_charset_table[i].name; i++) |
d923b542 DA |
599 | if (fast_c_string_match_ignore_case |
600 | (regexp, fc_charset_table[i].name, | |
601 | strlen (fc_charset_table[i].name)) >= 0) | |
21988a08 KH |
602 | break; |
603 | if (! fc_charset_table[i].name) | |
604 | return -1; | |
605 | if (! fc_charset_table[i].fc_charset) | |
606 | { | |
d7782105 KH |
607 | FcCharSet *charset = FcCharSetCreate (); |
608 | int *uniquifier = fc_charset_table[i].uniquifier; | |
21988a08 | 609 | |
d7782105 KH |
610 | if (! charset) |
611 | return -1; | |
612 | for (j = 0; uniquifier[j]; j++) | |
613 | if (! FcCharSetAddChar (charset, uniquifier[j])) | |
614 | { | |
615 | FcCharSetDestroy (charset); | |
21988a08 | 616 | return -1; |
d7782105 KH |
617 | } |
618 | fc_charset_table[i].fc_charset = charset; | |
21988a08 KH |
619 | } |
620 | return i; | |
621 | } | |
622 | ||
cc63eaf9 KH |
623 | struct OpenTypeSpec |
624 | { | |
16963817 KH |
625 | Lisp_Object script; |
626 | unsigned int script_tag, langsys_tag; | |
cc63eaf9 KH |
627 | int nfeatures[2]; |
628 | unsigned int *features[2]; | |
629 | }; | |
630 | ||
7eb5d3d7 | 631 | #define OTF_SYM_TAG(SYM, TAG) \ |
cc63eaf9 | 632 | do { \ |
7eb5d3d7 KH |
633 | unsigned char *p = SDATA (SYMBOL_NAME (SYM)); \ |
634 | TAG = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]; \ | |
cc63eaf9 KH |
635 | } while (0) |
636 | ||
7eb5d3d7 | 637 | #define OTF_TAG_STR(TAG, P) \ |
cc63eaf9 | 638 | do { \ |
7eb5d3d7 KH |
639 | (P)[0] = (char) (TAG >> 24); \ |
640 | (P)[1] = (char) ((TAG >> 16) & 0xFF); \ | |
641 | (P)[2] = (char) ((TAG >> 8) & 0xFF); \ | |
642 | (P)[3] = (char) (TAG & 0xFF); \ | |
16963817 | 643 | (P)[4] = '\0'; \ |
cc63eaf9 KH |
644 | } while (0) |
645 | ||
a00924bb | 646 | #ifdef HAVE_LIBOTF |
e302a291 KH |
647 | #define OTF_TAG_SYM(SYM, TAG) \ |
648 | do { \ | |
649 | char str[5]; \ | |
650 | \ | |
651 | OTF_TAG_STR (TAG, str); \ | |
652 | (SYM) = font_intern_prop (str, 4, 1); \ | |
653 | } while (0) | |
a00924bb | 654 | #endif |
e302a291 KH |
655 | |
656 | ||
cc63eaf9 KH |
657 | static struct OpenTypeSpec * |
658 | ftfont_get_open_type_spec (Lisp_Object otf_spec) | |
659 | { | |
38182d90 | 660 | struct OpenTypeSpec *spec = malloc (sizeof *spec); |
cc63eaf9 | 661 | Lisp_Object val; |
a864ef14 PE |
662 | int i, j; |
663 | bool negative; | |
cc63eaf9 KH |
664 | |
665 | if (! spec) | |
666 | return NULL; | |
16963817 | 667 | spec->script = XCAR (otf_spec); |
43f4f91c | 668 | if (! NILP (spec->script)) |
16963817 KH |
669 | { |
670 | OTF_SYM_TAG (spec->script, spec->script_tag); | |
671 | val = assq_no_quit (spec->script, Votf_script_alist); | |
672 | if (CONSP (val) && SYMBOLP (XCDR (val))) | |
673 | spec->script = XCDR (val); | |
674 | else | |
675 | spec->script = Qnil; | |
676 | } | |
cc63eaf9 | 677 | else |
16963817 | 678 | spec->script_tag = 0x44464C54; /* "DFLT" */ |
cc63eaf9 | 679 | otf_spec = XCDR (otf_spec); |
f88cc4d6 KH |
680 | spec->langsys_tag = 0; |
681 | if (! NILP (otf_spec)) | |
682 | { | |
683 | val = XCAR (otf_spec); | |
684 | if (! NILP (val)) | |
685 | OTF_SYM_TAG (val, spec->langsys_tag); | |
686 | otf_spec = XCDR (otf_spec); | |
687 | } | |
cc63eaf9 | 688 | spec->nfeatures[0] = spec->nfeatures[1] = 0; |
f88cc4d6 | 689 | for (i = 0; i < 2 && ! NILP (otf_spec); i++, otf_spec = XCDR (otf_spec)) |
cc63eaf9 KH |
690 | { |
691 | Lisp_Object len; | |
692 | ||
cc63eaf9 KH |
693 | val = XCAR (otf_spec); |
694 | if (NILP (val)) | |
695 | continue; | |
696 | len = Flength (val); | |
1ffd9c92 PE |
697 | spec->features[i] = |
698 | (min (PTRDIFF_MAX, SIZE_MAX) / sizeof (int) < XINT (len) | |
699 | ? 0 | |
38182d90 | 700 | : malloc (XINT (len) * sizeof *spec->features[i])); |
cc63eaf9 KH |
701 | if (! spec->features[i]) |
702 | { | |
703 | if (i > 0 && spec->features[0]) | |
704 | free (spec->features[0]); | |
705 | free (spec); | |
706 | return NULL; | |
707 | } | |
708 | for (j = 0, negative = 0; CONSP (val); val = XCDR (val)) | |
709 | { | |
710 | if (NILP (XCAR (val))) | |
711 | negative = 1; | |
712 | else | |
713 | { | |
714 | unsigned int tag; | |
715 | ||
716 | OTF_SYM_TAG (XCAR (val), tag); | |
717 | spec->features[i][j++] = negative ? tag & 0x80000000 : tag; | |
718 | } | |
719 | } | |
720 | spec->nfeatures[i] = j; | |
721 | } | |
722 | return spec; | |
723 | } | |
724 | ||
42984a74 | 725 | static FcPattern * |
675e2c69 | 726 | ftfont_spec_pattern (Lisp_Object spec, char *otlayout, struct OpenTypeSpec **otspec, const char **langname) |
c2f5bfd6 | 727 | { |
21988a08 | 728 | Lisp_Object tmp, extra; |
c2f5bfd6 KH |
729 | FcPattern *pattern = NULL; |
730 | FcCharSet *charset = NULL; | |
731 | FcLangSet *langset = NULL; | |
42984a74 KH |
732 | int n; |
733 | int dpi = -1; | |
bc9a2afe | 734 | int scalable = -1; |
42984a74 | 735 | Lisp_Object script = Qnil; |
21988a08 | 736 | Lisp_Object registry; |
e302a291 | 737 | int fc_charset_idx; |
c2f5bfd6 | 738 | |
42984a74 KH |
739 | if ((n = FONT_SLANT_NUMERIC (spec)) >= 0 |
740 | && n < 100) | |
e1dbe924 | 741 | /* Fontconfig doesn't support reverse-italic/oblique. */ |
42984a74 KH |
742 | return NULL; |
743 | ||
744 | if (INTEGERP (AREF (spec, FONT_DPI_INDEX))) | |
745 | dpi = XINT (AREF (spec, FONT_DPI_INDEX)); | |
42984a74 KH |
746 | if (INTEGERP (AREF (spec, FONT_AVGWIDTH_INDEX)) |
747 | && XINT (AREF (spec, FONT_AVGWIDTH_INDEX)) == 0) | |
748 | scalable = 1; | |
63565713 | 749 | |
21988a08 KH |
750 | registry = AREF (spec, FONT_REGISTRY_INDEX); |
751 | if (NILP (registry) | |
770835fd | 752 | || EQ (registry, Qascii_0) |
21988a08 | 753 | || EQ (registry, Qiso10646_1) |
7b649478 | 754 | || EQ (registry, Qunicode_bmp)) |
e302a291 | 755 | fc_charset_idx = -1; |
21988a08 | 756 | else |
c2f5bfd6 | 757 | { |
7d7ad10e KH |
758 | FcChar8 *lang; |
759 | ||
e302a291 KH |
760 | fc_charset_idx = ftfont_get_charset (registry); |
761 | if (fc_charset_idx < 0) | |
42984a74 | 762 | return NULL; |
e302a291 | 763 | charset = fc_charset_table[fc_charset_idx].fc_charset; |
497e54d8 KH |
764 | *langname = fc_charset_table[fc_charset_idx].lang; |
765 | lang = (FcChar8 *) *langname; | |
7d7ad10e KH |
766 | if (lang) |
767 | { | |
768 | langset = FcLangSetCreate (); | |
769 | if (! langset) | |
770 | goto err; | |
771 | FcLangSetAdd (langset, lang); | |
772 | } | |
c2f5bfd6 KH |
773 | } |
774 | ||
cc63eaf9 | 775 | otlayout[0] = '\0'; |
8daf5667 KH |
776 | for (extra = AREF (spec, FONT_EXTRA_INDEX); |
777 | CONSP (extra); extra = XCDR (extra)) | |
c2f5bfd6 | 778 | { |
8daf5667 KH |
779 | Lisp_Object key, val; |
780 | ||
42984a74 KH |
781 | key = XCAR (XCAR (extra)), val = XCDR (XCAR (extra)); |
782 | if (EQ (key, QCdpi)) | |
9e269017 KH |
783 | { |
784 | if (INTEGERP (val)) | |
785 | dpi = XINT (val); | |
786 | } | |
42984a74 | 787 | else if (EQ (key, QClang)) |
c2f5bfd6 | 788 | { |
7d7ad10e KH |
789 | if (! langset) |
790 | langset = FcLangSetCreate (); | |
c2f5bfd6 KH |
791 | if (! langset) |
792 | goto err; | |
8daf5667 | 793 | if (SYMBOLP (val)) |
c2f5bfd6 | 794 | { |
8daf5667 | 795 | if (! FcLangSetAdd (langset, SYMBOL_FcChar8 (val))) |
c2f5bfd6 KH |
796 | goto err; |
797 | } | |
798 | else | |
8daf5667 KH |
799 | for (; CONSP (val); val = XCDR (val)) |
800 | if (SYMBOLP (XCAR (val)) | |
801 | && ! FcLangSetAdd (langset, SYMBOL_FcChar8 (XCAR (val)))) | |
802 | goto err; | |
c2f5bfd6 | 803 | } |
42984a74 KH |
804 | else if (EQ (key, QCotf)) |
805 | { | |
9e269017 KH |
806 | if (CONSP (val)) |
807 | { | |
808 | *otspec = ftfont_get_open_type_spec (val); | |
809 | if (! *otspec) | |
810 | return NULL; | |
811 | strcat (otlayout, "otlayout:"); | |
812 | OTF_TAG_STR ((*otspec)->script_tag, otlayout + 9); | |
813 | script = (*otspec)->script; | |
814 | } | |
42984a74 | 815 | } |
8daf5667 KH |
816 | else if (EQ (key, QCscript)) |
817 | script = val; | |
8daf5667 KH |
818 | else if (EQ (key, QCscalable)) |
819 | scalable = ! NILP (val); | |
820 | } | |
c2f5bfd6 | 821 | |
8daf5667 KH |
822 | if (! NILP (script) && ! charset) |
823 | { | |
824 | Lisp_Object chars = assq_no_quit (script, Vscript_representative_chars); | |
825 | ||
7c4bd58d | 826 | if (CONSP (chars) && CONSP (CDR (chars))) |
8daf5667 KH |
827 | { |
828 | charset = FcCharSetCreate (); | |
829 | if (! charset) | |
830 | goto err; | |
831 | for (chars = XCDR (chars); CONSP (chars); chars = XCDR (chars)) | |
832 | if (CHARACTERP (XCAR (chars)) | |
ccd9a01a | 833 | && ! FcCharSetAddChar (charset, XFASTINT (XCAR (chars)))) |
8daf5667 | 834 | goto err; |
c2f5bfd6 KH |
835 | } |
836 | } | |
837 | ||
4ffe34a4 | 838 | pattern = FcPatternCreate (); |
706b6995 KH |
839 | if (! pattern) |
840 | goto err; | |
706b6995 | 841 | tmp = AREF (spec, FONT_FOUNDRY_INDEX); |
42984a74 | 842 | if (! NILP (tmp) |
706b6995 KH |
843 | && ! FcPatternAddString (pattern, FC_FOUNDRY, SYMBOL_FcChar8 (tmp))) |
844 | goto err; | |
318548be KH |
845 | tmp = AREF (spec, FONT_FAMILY_INDEX); |
846 | if (! NILP (tmp) | |
847 | && ! FcPatternAddString (pattern, FC_FAMILY, SYMBOL_FcChar8 (tmp))) | |
848 | goto err; | |
c2f5bfd6 KH |
849 | if (charset |
850 | && ! FcPatternAddCharSet (pattern, FC_CHARSET, charset)) | |
851 | goto err; | |
852 | if (langset | |
853 | && ! FcPatternAddLangSet (pattern, FC_LANG, langset)) | |
854 | goto err; | |
bc9a2afe KH |
855 | if (dpi >= 0 |
856 | && ! FcPatternAddDouble (pattern, FC_DPI, dpi)) | |
857 | goto err; | |
bc9a2afe | 858 | if (scalable >= 0 |
25a5d05b | 859 | && ! FcPatternAddBool (pattern, FC_SCALABLE, scalable ? FcTrue : FcFalse)) |
bc9a2afe | 860 | goto err; |
7d7ad10e | 861 | |
42984a74 | 862 | goto finish; |
c2f5bfd6 | 863 | |
42984a74 KH |
864 | err: |
865 | /* We come here because of unexpected error in fontconfig API call | |
866 | (usually insufficient memory). */ | |
867 | if (pattern) | |
868 | { | |
869 | FcPatternDestroy (pattern); | |
870 | pattern = NULL; | |
871 | } | |
872 | if (*otspec) | |
873 | { | |
874 | if ((*otspec)->nfeatures[0] > 0) | |
875 | free ((*otspec)->features[0]); | |
876 | if ((*otspec)->nfeatures[1] > 0) | |
877 | free ((*otspec)->features[1]); | |
878 | free (*otspec); | |
879 | *otspec = NULL; | |
880 | } | |
881 | ||
882 | finish: | |
42984a74 | 883 | if (langset) FcLangSetDestroy (langset); |
e302a291 | 884 | if (charset && fc_charset_idx < 0) FcCharSetDestroy (charset); |
42984a74 KH |
885 | return pattern; |
886 | } | |
887 | ||
888 | static Lisp_Object | |
971de7fb | 889 | ftfont_list (Lisp_Object frame, Lisp_Object spec) |
42984a74 | 890 | { |
99c4d65d | 891 | Lisp_Object val = Qnil, family, adstyle; |
42984a74 KH |
892 | int i; |
893 | FcPattern *pattern; | |
894 | FcFontSet *fontset = NULL; | |
895 | FcObjectSet *objset = NULL; | |
7c4bd58d KH |
896 | FcCharSet *charset; |
897 | Lisp_Object chars = Qnil; | |
42984a74 KH |
898 | char otlayout[15]; /* For "otlayout:XXXX" */ |
899 | struct OpenTypeSpec *otspec = NULL; | |
5d376f74 | 900 | int spacing = -1; |
675e2c69 | 901 | const char *langname = NULL; |
2a46904e | 902 | |
42984a74 KH |
903 | if (! fc_initialized) |
904 | { | |
905 | FcInit (); | |
906 | fc_initialized = 1; | |
907 | } | |
908 | ||
497e54d8 | 909 | pattern = ftfont_spec_pattern (spec, otlayout, &otspec, &langname); |
42984a74 KH |
910 | if (! pattern) |
911 | return Qnil; | |
7c4bd58d KH |
912 | if (FcPatternGetCharSet (pattern, FC_CHARSET, 0, &charset) != FcResultMatch) |
913 | { | |
914 | val = assq_no_quit (QCscript, AREF (spec, FONT_EXTRA_INDEX)); | |
915 | if (! NILP (val)) | |
916 | { | |
917 | val = assq_no_quit (XCDR (val), Vscript_representative_chars); | |
918 | if (CONSP (val) && VECTORP (XCDR (val))) | |
919 | chars = XCDR (val); | |
920 | } | |
921 | val = Qnil; | |
922 | } | |
5d376f74 KH |
923 | if (INTEGERP (AREF (spec, FONT_SPACING_INDEX))) |
924 | spacing = XINT (AREF (spec, FONT_SPACING_INDEX)); | |
318548be KH |
925 | family = AREF (spec, FONT_FAMILY_INDEX); |
926 | if (! NILP (family)) | |
927 | { | |
928 | Lisp_Object resolved; | |
929 | ||
7d7ad10e | 930 | resolved = ftfont_resolve_generic_family (family, pattern); |
318548be KH |
931 | if (! NILP (resolved)) |
932 | { | |
933 | FcPatternDel (pattern, FC_FAMILY); | |
934 | if (! FcPatternAddString (pattern, FC_FAMILY, | |
935 | SYMBOL_FcChar8 (resolved))) | |
936 | goto err; | |
937 | } | |
938 | } | |
99c4d65d KH |
939 | adstyle = AREF (spec, FONT_ADSTYLE_INDEX); |
940 | if (! NILP (adstyle) && SBYTES (SYMBOL_NAME (adstyle)) == 0) | |
941 | adstyle = Qnil; | |
706b6995 | 942 | objset = FcObjectSetBuild (FC_FOUNDRY, FC_FAMILY, FC_WEIGHT, FC_SLANT, |
42984a74 | 943 | FC_WIDTH, FC_PIXEL_SIZE, FC_SPACING, FC_SCALABLE, |
99c4d65d | 944 | FC_STYLE, FC_FILE, FC_INDEX, |
42984a74 KH |
945 | #ifdef FC_CAPABILITY |
946 | FC_CAPABILITY, | |
947 | #endif /* FC_CAPABILITY */ | |
4ffe34a4 KH |
948 | #ifdef FC_FONTFORMAT |
949 | FC_FONTFORMAT, | |
950 | #endif | |
e907d979 | 951 | NULL); |
706b6995 KH |
952 | if (! objset) |
953 | goto err; | |
7c4bd58d KH |
954 | if (! NILP (chars)) |
955 | FcObjectSetAdd (objset, FC_CHARSET); | |
42984a74 | 956 | |
318548be | 957 | fontset = FcFontList (NULL, pattern, objset); |
7c4bd58d KH |
958 | if (! fontset || fontset->nfont == 0) |
959 | goto finish; | |
770835fd KH |
960 | #if 0 |
961 | /* Need fix because this finds any fonts. */ | |
962 | if (fontset->nfont == 0 && ! NILP (family)) | |
963 | { | |
333f9019 | 964 | /* Try matching with configuration. For instance, the |
770835fd KH |
965 | configuration may specify "Nimbus Mono L" as an alias of |
966 | "Courier". */ | |
967 | FcPattern *pat = FcPatternBuild (0, FC_FAMILY, FcTypeString, | |
968 | SYMBOL_FcChar8 (family), NULL); | |
969 | FcChar8 *fam; | |
970 | ||
971 | if (FcConfigSubstitute (NULL, pat, FcMatchPattern) == FcTrue) | |
972 | { | |
973 | for (i = 0; | |
974 | FcPatternGetString (pat, FC_FAMILY, i, &fam) == FcResultMatch; | |
975 | i++) | |
976 | { | |
977 | FcPatternDel (pattern, FC_FAMILY); | |
978 | FcPatternAddString (pattern, FC_FAMILY, fam); | |
979 | FcFontSetDestroy (fontset); | |
980 | fontset = FcFontList (NULL, pattern, objset); | |
1c0db158 | 981 | if (fontset && fontset->nfont > 0) |
770835fd KH |
982 | break; |
983 | } | |
984 | } | |
985 | } | |
986 | #endif | |
318548be | 987 | for (i = 0; i < fontset->nfont; i++) |
bc5f6c42 | 988 | { |
318548be | 989 | Lisp_Object entity; |
f63d54dc | 990 | |
5d376f74 KH |
991 | if (spacing >= 0) |
992 | { | |
993 | int this; | |
994 | ||
995 | if ((FcPatternGetInteger (fontset->fonts[i], FC_SPACING, 0, &this) | |
996 | == FcResultMatch) | |
997 | && spacing != this) | |
998 | continue; | |
999 | } | |
1000 | ||
bc5f6c42 | 1001 | #ifdef FC_CAPABILITY |
318548be KH |
1002 | if (otlayout[0]) |
1003 | { | |
1004 | FcChar8 *this; | |
a85f724a | 1005 | |
7c4bd58d KH |
1006 | if (FcPatternGetString (fontset->fonts[i], FC_CAPABILITY, 0, &this) |
1007 | != FcResultMatch | |
318548be KH |
1008 | || ! strstr ((char *) this, otlayout)) |
1009 | continue; | |
1010 | } | |
bc5f6c42 | 1011 | #endif /* FC_CAPABILITY */ |
cc63eaf9 | 1012 | #ifdef HAVE_LIBOTF |
318548be KH |
1013 | if (otspec) |
1014 | { | |
1015 | FcChar8 *file; | |
1016 | OTF *otf; | |
1017 | ||
1018 | if (FcPatternGetString (fontset->fonts[i], FC_FILE, 0, &file) | |
1019 | != FcResultMatch) | |
1020 | continue; | |
1021 | otf = OTF_open ((char *) file); | |
1022 | if (! otf) | |
1023 | continue; | |
1024 | if (OTF_check_features (otf, 1, | |
1025 | otspec->script_tag, otspec->langsys_tag, | |
1026 | otspec->features[0], | |
1027 | otspec->nfeatures[0]) != 1 | |
1028 | || OTF_check_features (otf, 0, | |
1029 | otspec->script_tag, otspec->langsys_tag, | |
1030 | otspec->features[1], | |
1031 | otspec->nfeatures[1]) != 1) | |
1032 | continue; | |
c2f5bfd6 | 1033 | } |
318548be | 1034 | #endif /* HAVE_LIBOTF */ |
7c4bd58d KH |
1035 | if (VECTORP (chars)) |
1036 | { | |
d311d28c | 1037 | ptrdiff_t j; |
7c4bd58d KH |
1038 | |
1039 | if (FcPatternGetCharSet (fontset->fonts[i], FC_CHARSET, 0, &charset) | |
1040 | != FcResultMatch) | |
1041 | continue; | |
1042 | for (j = 0; j < ASIZE (chars); j++) | |
d311d28c | 1043 | if (TYPE_RANGED_INTEGERP (FcChar32, AREF (chars, j)) |
7c4bd58d KH |
1044 | && FcCharSetHasChar (charset, XFASTINT (AREF (chars, j)))) |
1045 | break; | |
1046 | if (j == ASIZE (chars)) | |
1047 | continue; | |
1048 | } | |
497e54d8 | 1049 | if (! NILP (adstyle) || langname) |
99c4d65d KH |
1050 | { |
1051 | Lisp_Object this_adstyle = get_adstyle_property (fontset->fonts[i]); | |
1052 | ||
497e54d8 KH |
1053 | if (! NILP (adstyle) |
1054 | && (NILP (this_adstyle) | |
25a48bd0 PE |
1055 | || xstrcasecmp (SSDATA (SYMBOL_NAME (adstyle)), |
1056 | SSDATA (SYMBOL_NAME (this_adstyle))) != 0)) | |
497e54d8 KH |
1057 | continue; |
1058 | if (langname | |
1059 | && ! NILP (this_adstyle) | |
25a48bd0 | 1060 | && xstrcasecmp (langname, SSDATA (SYMBOL_NAME (this_adstyle)))) |
99c4d65d KH |
1061 | continue; |
1062 | } | |
e302a291 KH |
1063 | entity = ftfont_pattern_entity (fontset->fonts[i], |
1064 | AREF (spec, FONT_EXTRA_INDEX)); | |
318548be KH |
1065 | if (! NILP (entity)) |
1066 | val = Fcons (entity, val); | |
c2f5bfd6 | 1067 | } |
7c4bd58d | 1068 | val = Fnreverse (val); |
c2f5bfd6 KH |
1069 | goto finish; |
1070 | ||
1071 | err: | |
1072 | /* We come here because of unexpected error in fontconfig API call | |
706b6995 | 1073 | (usually insufficient memory). */ |
c2f5bfd6 KH |
1074 | val = Qnil; |
1075 | ||
1076 | finish: | |
678dca3d | 1077 | FONT_ADD_LOG ("ftfont-list", spec, val); |
c2f5bfd6 KH |
1078 | if (objset) FcObjectSetDestroy (objset); |
1079 | if (fontset) FcFontSetDestroy (fontset); | |
c2f5bfd6 | 1080 | if (pattern) FcPatternDestroy (pattern); |
c2f5bfd6 KH |
1081 | return val; |
1082 | } | |
1083 | ||
8daf5667 | 1084 | static Lisp_Object |
971de7fb | 1085 | ftfont_match (Lisp_Object frame, Lisp_Object spec) |
8daf5667 | 1086 | { |
a3c15670 | 1087 | Lisp_Object entity = Qnil; |
42984a74 | 1088 | FcPattern *pattern, *match = NULL; |
8daf5667 | 1089 | FcResult result; |
42984a74 KH |
1090 | char otlayout[15]; /* For "otlayout:XXXX" */ |
1091 | struct OpenTypeSpec *otspec = NULL; | |
675e2c69 | 1092 | const char *langname = NULL; |
8daf5667 KH |
1093 | |
1094 | if (! fc_initialized) | |
1095 | { | |
1096 | FcInit (); | |
1097 | fc_initialized = 1; | |
1098 | } | |
1099 | ||
497e54d8 | 1100 | pattern = ftfont_spec_pattern (spec, otlayout, &otspec, &langname); |
42984a74 | 1101 | if (! pattern) |
8daf5667 KH |
1102 | return Qnil; |
1103 | ||
42984a74 | 1104 | if (INTEGERP (AREF (spec, FONT_SIZE_INDEX))) |
8daf5667 | 1105 | { |
42984a74 | 1106 | FcValue value; |
55082642 | 1107 | |
42984a74 KH |
1108 | value.type = FcTypeDouble; |
1109 | value.u.d = XINT (AREF (spec, FONT_SIZE_INDEX)); | |
1110 | FcPatternAdd (pattern, FC_PIXEL_SIZE, value, FcFalse); | |
1111 | } | |
1112 | if (FcConfigSubstitute (NULL, pattern, FcMatchPattern) == FcTrue) | |
1113 | { | |
1114 | FcDefaultSubstitute (pattern); | |
1115 | match = FcFontMatch (NULL, pattern, &result); | |
1116 | if (match) | |
8daf5667 | 1117 | { |
e302a291 | 1118 | entity = ftfont_pattern_entity (match, AREF (spec, FONT_EXTRA_INDEX)); |
42984a74 KH |
1119 | FcPatternDestroy (match); |
1120 | if (! NILP (AREF (spec, FONT_FAMILY_INDEX)) | |
1121 | && NILP (assq_no_quit (AREF (spec, FONT_FAMILY_INDEX), | |
1122 | ftfont_generic_family_list)) | |
1123 | && NILP (Fstring_equal (AREF (spec, FONT_FAMILY_INDEX), | |
1124 | AREF (entity, FONT_FAMILY_INDEX)))) | |
1125 | entity = Qnil; | |
8daf5667 | 1126 | } |
8daf5667 | 1127 | } |
42984a74 | 1128 | FcPatternDestroy (pattern); |
8daf5667 | 1129 | |
678dca3d | 1130 | FONT_ADD_LOG ("ftfont-match", spec, entity); |
8daf5667 KH |
1131 | return entity; |
1132 | } | |
1133 | ||
c2f5bfd6 | 1134 | static Lisp_Object |
971de7fb | 1135 | ftfont_list_family (Lisp_Object frame) |
c2f5bfd6 | 1136 | { |
76d126ec | 1137 | Lisp_Object list = Qnil; |
c2f5bfd6 KH |
1138 | FcPattern *pattern = NULL; |
1139 | FcFontSet *fontset = NULL; | |
1140 | FcObjectSet *objset = NULL; | |
1141 | int i; | |
1142 | ||
1143 | if (! fc_initialized) | |
1144 | { | |
1145 | FcInit (); | |
1146 | fc_initialized = 1; | |
1147 | } | |
1148 | ||
1149 | pattern = FcPatternCreate (); | |
1150 | if (! pattern) | |
1151 | goto finish; | |
706b6995 | 1152 | objset = FcObjectSetBuild (FC_FAMILY, NULL); |
c2f5bfd6 KH |
1153 | if (! objset) |
1154 | goto finish; | |
1155 | fontset = FcFontList (NULL, pattern, objset); | |
1156 | if (! fontset) | |
1157 | goto finish; | |
1158 | ||
c2f5bfd6 KH |
1159 | for (i = 0; i < fontset->nfont; i++) |
1160 | { | |
1161 | FcPattern *pat = fontset->fonts[i]; | |
1162 | FcChar8 *str; | |
1163 | ||
1164 | if (FcPatternGetString (pat, FC_FAMILY, 0, &str) == FcResultMatch) | |
42984a74 | 1165 | list = Fcons (intern ((char *) str), list); |
c2f5bfd6 KH |
1166 | } |
1167 | ||
1168 | finish: | |
1169 | if (objset) FcObjectSetDestroy (objset); | |
1170 | if (fontset) FcFontSetDestroy (fontset); | |
1171 | if (pattern) FcPatternDestroy (pattern); | |
1172 | ||
1173 | return list; | |
1174 | } | |
1175 | ||
1176 | ||
42984a74 | 1177 | static Lisp_Object |
971de7fb | 1178 | ftfont_open (FRAME_PTR f, Lisp_Object entity, int pixel_size) |
c2f5bfd6 KH |
1179 | { |
1180 | struct ftfont_info *ftfont_info; | |
1181 | struct font *font; | |
e302a291 | 1182 | struct ftfont_cache_data *cache_data; |
c2f5bfd6 KH |
1183 | FT_Face ft_face; |
1184 | FT_Size ft_size; | |
1185 | FT_UInt size; | |
49eaafba | 1186 | Lisp_Object val, filename, idx, cache, font_object; |
a864ef14 | 1187 | bool scalable; |
c2f5bfd6 | 1188 | int spacing; |
42984a74 KH |
1189 | char name[256]; |
1190 | int i, len; | |
1191 | int upEM; | |
c2f5bfd6 | 1192 | |
42984a74 KH |
1193 | val = assq_no_quit (QCfont_entity, AREF (entity, FONT_EXTRA_INDEX)); |
1194 | if (! CONSP (val)) | |
1195 | return Qnil; | |
1196 | val = XCDR (val); | |
d7782105 | 1197 | cache = ftfont_lookup_cache (entity, FTFONT_CACHE_FOR_FACE); |
21988a08 KH |
1198 | if (NILP (cache)) |
1199 | return Qnil; | |
e302a291 | 1200 | filename = XCAR (val); |
49eaafba | 1201 | idx = XCDR (val); |
21988a08 | 1202 | val = XCDR (cache); |
e302a291 KH |
1203 | cache_data = XSAVE_VALUE (XCDR (cache))->pointer; |
1204 | ft_face = cache_data->ft_face; | |
21988a08 | 1205 | if (XSAVE_VALUE (val)->integer > 0) |
c2f5bfd6 | 1206 | { |
21988a08 | 1207 | /* FT_Face in this cache is already used by the different size. */ |
c2f5bfd6 | 1208 | if (FT_New_Size (ft_face, &ft_size) != 0) |
42984a74 | 1209 | return Qnil; |
c2f5bfd6 KH |
1210 | if (FT_Activate_Size (ft_size) != 0) |
1211 | { | |
1212 | FT_Done_Size (ft_size); | |
42984a74 | 1213 | return Qnil; |
c2f5bfd6 | 1214 | } |
21988a08 KH |
1215 | } |
1216 | XSAVE_VALUE (val)->integer++; | |
c2f5bfd6 KH |
1217 | size = XINT (AREF (entity, FONT_SIZE_INDEX)); |
1218 | if (size == 0) | |
1219 | size = pixel_size; | |
1220 | if (FT_Set_Pixel_Sizes (ft_face, size, size) != 0) | |
1221 | { | |
1222 | if (XSAVE_VALUE (val)->integer == 0) | |
1223 | FT_Done_Face (ft_face); | |
42984a74 | 1224 | return Qnil; |
c2f5bfd6 KH |
1225 | } |
1226 | ||
e302a291 | 1227 | font_object = font_make_object (VECSIZE (struct ftfont_info), entity, size); |
42984a74 | 1228 | ASET (font_object, FONT_TYPE_INDEX, Qfreetype); |
42984a74 KH |
1229 | len = font_unparse_xlfd (entity, size, name, 256); |
1230 | if (len > 0) | |
3299c552 | 1231 | ASET (font_object, FONT_NAME_INDEX, make_string (name, len)); |
42984a74 KH |
1232 | len = font_unparse_fcname (entity, size, name, 256); |
1233 | if (len > 0) | |
3299c552 | 1234 | ASET (font_object, FONT_FULLNAME_INDEX, make_string (name, len)); |
42984a74 KH |
1235 | else |
1236 | ASET (font_object, FONT_FULLNAME_INDEX, | |
1237 | AREF (font_object, FONT_NAME_INDEX)); | |
21988a08 | 1238 | ASET (font_object, FONT_FILE_INDEX, filename); |
7d7ad10e | 1239 | ASET (font_object, FONT_FORMAT_INDEX, ftfont_font_format (NULL, filename)); |
42984a74 KH |
1240 | font = XFONT_OBJECT (font_object); |
1241 | ftfont_info = (struct ftfont_info *) font; | |
21988a08 | 1242 | ftfont_info->ft_size = ft_face->size; |
49eaafba | 1243 | ftfont_info->index = XINT (idx); |
0d674a05 | 1244 | #ifdef HAVE_LIBOTF |
a864ef14 | 1245 | ftfont_info->maybe_otf = (ft_face->face_flags & FT_FACE_FLAG_SFNT) != 0; |
de023c40 | 1246 | ftfont_info->otf = NULL; |
0d674a05 | 1247 | #endif /* HAVE_LIBOTF */ |
d0db2ec8 KH |
1248 | /* This means that there's no need of transformation. */ |
1249 | ftfont_info->matrix.xx = 0; | |
c2f5bfd6 KH |
1250 | font->pixel_size = size; |
1251 | font->driver = &ftfont_driver; | |
42984a74 | 1252 | font->encoding_charset = font->repertory_charset = -1; |
c9c0c429 | 1253 | |
42984a74 | 1254 | upEM = ft_face->units_per_EM; |
21988a08 KH |
1255 | scalable = (INTEGERP (AREF (entity, FONT_AVGWIDTH_INDEX)) |
1256 | && XINT (AREF (entity, FONT_AVGWIDTH_INDEX)) == 0); | |
42984a74 KH |
1257 | if (scalable) |
1258 | { | |
1259 | font->ascent = ft_face->ascender * size / upEM; | |
1260 | font->descent = - ft_face->descender * size / upEM; | |
1261 | font->height = ft_face->height * size / upEM; | |
1262 | } | |
1263 | else | |
1264 | { | |
1265 | font->ascent = ft_face->size->metrics.ascender >> 6; | |
1266 | font->descent = - ft_face->size->metrics.descender >> 6; | |
1267 | font->height = ft_face->size->metrics.height >> 6; | |
c9c0c429 | 1268 | } |
21988a08 KH |
1269 | if (INTEGERP (AREF (entity, FONT_SPACING_INDEX))) |
1270 | spacing = XINT (AREF (entity, FONT_SPACING_INDEX)); | |
1271 | else | |
c9c0c429 | 1272 | spacing = FC_PROPORTIONAL; |
ea2460a0 KH |
1273 | if (spacing != FC_PROPORTIONAL |
1274 | #ifdef FC_DUAL | |
1275 | && spacing != FC_DUAL | |
1276 | #endif /* FC_DUAL */ | |
1277 | ) | |
42984a74 KH |
1278 | font->min_width = font->average_width = font->space_width |
1279 | = (scalable ? ft_face->max_advance_width * size / upEM | |
1280 | : ft_face->size->metrics.max_advance >> 6); | |
c2f5bfd6 KH |
1281 | else |
1282 | { | |
42984a74 | 1283 | int n; |
c2f5bfd6 | 1284 | |
42984a74 KH |
1285 | font->min_width = font->average_width = font->space_width = 0; |
1286 | for (i = 32, n = 0; i < 127; i++) | |
0c26f026 | 1287 | if (FT_Load_Char (ft_face, i, FT_LOAD_DEFAULT) == 0) |
42984a74 KH |
1288 | { |
1289 | int this_width = ft_face->glyph->metrics.horiAdvance >> 6; | |
1290 | ||
1291 | if (this_width > 0 | |
1292 | && (! font->min_width || font->min_width > this_width)) | |
1293 | font->min_width = this_width; | |
1294 | if (i == 32) | |
1295 | font->space_width = this_width; | |
1296 | font->average_width += this_width; | |
1297 | n++; | |
1298 | } | |
1299 | if (n > 0) | |
1300 | font->average_width /= n; | |
c2f5bfd6 KH |
1301 | } |
1302 | ||
42984a74 KH |
1303 | font->baseline_offset = 0; |
1304 | font->relative_compose = 0; | |
1305 | font->default_ascent = 0; | |
1306 | font->vertical_centering = 0; | |
1307 | if (scalable) | |
1308 | { | |
1309 | font->underline_position = -ft_face->underline_position * size / upEM; | |
0c26f026 | 1310 | font->underline_thickness = ft_face->underline_thickness * size / upEM; |
42984a74 KH |
1311 | } |
1312 | else | |
1313 | { | |
1314 | font->underline_position = -1; | |
1315 | font->underline_thickness = 0; | |
1316 | } | |
c2f5bfd6 | 1317 | |
42984a74 | 1318 | return font_object; |
c2f5bfd6 KH |
1319 | } |
1320 | ||
1321 | static void | |
971de7fb | 1322 | ftfont_close (FRAME_PTR f, struct font *font) |
c2f5bfd6 KH |
1323 | { |
1324 | struct ftfont_info *ftfont_info = (struct ftfont_info *) font; | |
21988a08 | 1325 | Lisp_Object val, cache; |
c2f5bfd6 | 1326 | |
e302a291 | 1327 | val = Fcons (font->props[FONT_FILE_INDEX], make_number (ftfont_info->index)); |
d7782105 | 1328 | cache = ftfont_lookup_cache (val, FTFONT_CACHE_FOR_FACE); |
a54e2c05 | 1329 | eassert (CONSP (cache)); |
21988a08 | 1330 | val = XCDR (cache); |
c2f5bfd6 KH |
1331 | (XSAVE_VALUE (val)->integer)--; |
1332 | if (XSAVE_VALUE (val)->integer == 0) | |
de023c40 | 1333 | { |
e302a291 | 1334 | struct ftfont_cache_data *cache_data = XSAVE_VALUE (val)->pointer; |
21988a08 | 1335 | |
e302a291 | 1336 | FT_Done_Face (cache_data->ft_face); |
de023c40 KH |
1337 | #ifdef HAVE_LIBOTF |
1338 | if (ftfont_info->otf) | |
1339 | OTF_close (ftfont_info->otf); | |
1340 | #endif | |
e302a291 | 1341 | cache_data->ft_face = NULL; |
de023c40 | 1342 | } |
c2f5bfd6 KH |
1343 | else |
1344 | FT_Done_Size (ftfont_info->ft_size); | |
c2f5bfd6 KH |
1345 | } |
1346 | ||
2a46904e | 1347 | static int |
971de7fb | 1348 | ftfont_has_char (Lisp_Object font, int c) |
c2f5bfd6 | 1349 | { |
d7782105 KH |
1350 | struct charset *cs = NULL; |
1351 | ||
1352 | if (EQ (AREF (font, FONT_ADSTYLE_INDEX), Qja) | |
1353 | && charset_jisx0208 >= 0) | |
1354 | cs = CHARSET_FROM_ID (charset_jisx0208); | |
1355 | else if (EQ (AREF (font, FONT_ADSTYLE_INDEX), Qko) | |
1356 | && charset_ksc5601 >= 0) | |
1357 | cs = CHARSET_FROM_ID (charset_ksc5601); | |
1358 | if (cs) | |
1359 | return (ENCODE_CHAR (cs, c) != CHARSET_INVALID_CODE (cs)); | |
1360 | ||
7179ce7b KH |
1361 | if (FONT_ENTITY_P (font)) |
1362 | { | |
1363 | FcCharSet *charset = ftfont_get_fc_charset (font); | |
c2f5bfd6 | 1364 | |
7179ce7b KH |
1365 | return (FcCharSetHasChar (charset, c) == FcTrue); |
1366 | } | |
1367 | else | |
1368 | { | |
1369 | struct ftfont_info *ftfont_info; | |
1370 | ||
1371 | ftfont_info = (struct ftfont_info *) XFONT_OBJECT (font); | |
1372 | return (FT_Get_Char_Index (ftfont_info->ft_size->face, (FT_ULong) c) | |
1373 | != 0); | |
1374 | } | |
c2f5bfd6 KH |
1375 | } |
1376 | ||
1377 | static unsigned | |
971de7fb | 1378 | ftfont_encode_char (struct font *font, int c) |
c2f5bfd6 KH |
1379 | { |
1380 | struct ftfont_info *ftfont_info = (struct ftfont_info *) font; | |
1381 | FT_Face ft_face = ftfont_info->ft_size->face; | |
1382 | FT_ULong charcode = c; | |
1383 | FT_UInt code = FT_Get_Char_Index (ft_face, charcode); | |
1384 | ||
4cec6061 | 1385 | return (code > 0 ? code : FONT_INVALID_CODE); |
c2f5bfd6 KH |
1386 | } |
1387 | ||
1388 | static int | |
971de7fb | 1389 | ftfont_text_extents (struct font *font, unsigned int *code, int nglyphs, struct font_metrics *metrics) |
c2f5bfd6 KH |
1390 | { |
1391 | struct ftfont_info *ftfont_info = (struct ftfont_info *) font; | |
1392 | FT_Face ft_face = ftfont_info->ft_size->face; | |
1393 | int width = 0; | |
a864ef14 PE |
1394 | int i; |
1395 | bool first; | |
c2f5bfd6 KH |
1396 | |
1397 | if (ftfont_info->ft_size != ft_face->size) | |
1398 | FT_Activate_Size (ftfont_info->ft_size); | |
1399 | if (metrics) | |
72af86bd | 1400 | memset (metrics, 0, sizeof (struct font_metrics)); |
e5d05978 | 1401 | for (i = 0, first = 1; i < nglyphs; i++) |
c2f5bfd6 KH |
1402 | { |
1403 | if (FT_Load_Glyph (ft_face, code[i], FT_LOAD_DEFAULT) == 0) | |
1404 | { | |
1405 | FT_Glyph_Metrics *m = &ft_face->glyph->metrics; | |
1406 | ||
e5d05978 KH |
1407 | if (first) |
1408 | { | |
1409 | if (metrics) | |
1410 | { | |
1411 | metrics->lbearing = m->horiBearingX >> 6; | |
1412 | metrics->rbearing = (m->horiBearingX + m->width) >> 6; | |
1413 | metrics->ascent = m->horiBearingY >> 6; | |
57d3b93b | 1414 | metrics->descent = (m->height - m->horiBearingY) >> 6; |
e5d05978 KH |
1415 | } |
1416 | first = 0; | |
1417 | } | |
c2f5bfd6 KH |
1418 | if (metrics) |
1419 | { | |
1420 | if (metrics->lbearing > width + (m->horiBearingX >> 6)) | |
1421 | metrics->lbearing = width + (m->horiBearingX >> 6); | |
1422 | if (metrics->rbearing | |
1423 | < width + ((m->horiBearingX + m->width) >> 6)) | |
1424 | metrics->rbearing | |
1425 | = width + ((m->horiBearingX + m->width) >> 6); | |
1426 | if (metrics->ascent < (m->horiBearingY >> 6)) | |
1427 | metrics->ascent = m->horiBearingY >> 6; | |
57d3b93b KH |
1428 | if (metrics->descent > ((m->height - m->horiBearingY) >> 6)) |
1429 | metrics->descent = (m->height - m->horiBearingY) >> 6; | |
c2f5bfd6 KH |
1430 | } |
1431 | width += m->horiAdvance >> 6; | |
1432 | } | |
1433 | else | |
1434 | { | |
42984a74 | 1435 | width += font->space_width; |
c2f5bfd6 KH |
1436 | } |
1437 | } | |
1438 | if (metrics) | |
1439 | metrics->width = width; | |
1440 | ||
1441 | return width; | |
1442 | } | |
1443 | ||
1444 | static int | |
971de7fb | 1445 | ftfont_get_bitmap (struct font *font, unsigned int code, struct font_bitmap *bitmap, int bits_per_pixel) |
c2f5bfd6 KH |
1446 | { |
1447 | struct ftfont_info *ftfont_info = (struct ftfont_info *) font; | |
1448 | FT_Face ft_face = ftfont_info->ft_size->face; | |
1449 | FT_Int32 load_flags = FT_LOAD_RENDER; | |
1450 | ||
1451 | if (ftfont_info->ft_size != ft_face->size) | |
1452 | FT_Activate_Size (ftfont_info->ft_size); | |
1453 | if (bits_per_pixel == 1) | |
1454 | { | |
1455 | #ifdef FT_LOAD_TARGET_MONO | |
1456 | load_flags |= FT_LOAD_TARGET_MONO; | |
1457 | #else | |
1458 | load_flags |= FT_LOAD_MONOCHROME; | |
1459 | #endif | |
1460 | } | |
1461 | else if (bits_per_pixel != 8) | |
1462 | /* We don't support such a rendering. */ | |
1463 | return -1; | |
1464 | ||
1465 | if (FT_Load_Glyph (ft_face, code, load_flags) != 0) | |
1466 | return -1; | |
b51e5112 KH |
1467 | bitmap->bits_per_pixel |
1468 | = (ft_face->glyph->bitmap.pixel_mode == FT_PIXEL_MODE_MONO ? 1 | |
1469 | : ft_face->glyph->bitmap.pixel_mode == FT_PIXEL_MODE_GRAY ? 8 | |
1470 | : ft_face->glyph->bitmap.pixel_mode == FT_PIXEL_MODE_LCD ? 8 | |
1471 | : ft_face->glyph->bitmap.pixel_mode == FT_PIXEL_MODE_LCD_V ? 8 | |
1472 | : -1); | |
1473 | if (bitmap->bits_per_pixel < 0) | |
5c32d3f2 | 1474 | /* We don't support that kind of pixel mode. */ |
b51e5112 | 1475 | return -1; |
c2f5bfd6 KH |
1476 | bitmap->rows = ft_face->glyph->bitmap.rows; |
1477 | bitmap->width = ft_face->glyph->bitmap.width; | |
1478 | bitmap->pitch = ft_face->glyph->bitmap.pitch; | |
1479 | bitmap->buffer = ft_face->glyph->bitmap.buffer; | |
1480 | bitmap->left = ft_face->glyph->bitmap_left; | |
1481 | bitmap->top = ft_face->glyph->bitmap_top; | |
1482 | bitmap->advance = ft_face->glyph->metrics.horiAdvance >> 6; | |
1483 | bitmap->extra = NULL; | |
1484 | ||
1485 | return 0; | |
1486 | } | |
1487 | ||
1488 | static int | |
49eaafba PE |
1489 | ftfont_anchor_point (struct font *font, unsigned int code, int idx, |
1490 | int *x, int *y) | |
c2f5bfd6 KH |
1491 | { |
1492 | struct ftfont_info *ftfont_info = (struct ftfont_info *) font; | |
1493 | FT_Face ft_face = ftfont_info->ft_size->face; | |
1494 | ||
1495 | if (ftfont_info->ft_size != ft_face->size) | |
1496 | FT_Activate_Size (ftfont_info->ft_size); | |
1497 | if (FT_Load_Glyph (ft_face, code, FT_LOAD_DEFAULT) != 0) | |
1498 | return -1; | |
1499 | if (ft_face->glyph->format != FT_GLYPH_FORMAT_OUTLINE) | |
1500 | return -1; | |
49eaafba | 1501 | if (idx >= ft_face->glyph->outline.n_points) |
c2f5bfd6 | 1502 | return -1; |
49eaafba PE |
1503 | *x = ft_face->glyph->outline.points[idx].x; |
1504 | *y = ft_face->glyph->outline.points[idx].y; | |
c2f5bfd6 KH |
1505 | return 0; |
1506 | } | |
1507 | ||
de023c40 | 1508 | #ifdef HAVE_LIBOTF |
e302a291 KH |
1509 | |
1510 | static Lisp_Object | |
d5a3eaaf | 1511 | ftfont_otf_features (OTF_GSUB_GPOS *gsub_gpos) |
e302a291 KH |
1512 | { |
1513 | Lisp_Object scripts, langsyses, features, sym; | |
39356621 | 1514 | int i, j, k, l; |
e302a291 KH |
1515 | |
1516 | for (scripts = Qnil, i = gsub_gpos->ScriptList.ScriptCount - 1; i >= 0; i--) | |
1517 | { | |
1518 | OTF_Script *otf_script = gsub_gpos->ScriptList.Script + i; | |
1519 | ||
1520 | for (langsyses = Qnil, j = otf_script->LangSysCount - 1; j >= -1; j--) | |
1521 | { | |
1522 | OTF_LangSys *otf_langsys; | |
1523 | ||
1524 | if (j >= 0) | |
1525 | otf_langsys = otf_script->LangSys + j; | |
1526 | else if (otf_script->DefaultLangSysOffset) | |
1527 | otf_langsys = &otf_script->DefaultLangSys; | |
1528 | else | |
1529 | break; | |
1530 | ||
1531 | for (features = Qnil, k = otf_langsys->FeatureCount - 1; k >= 0; k--) | |
1532 | { | |
39356621 | 1533 | l = otf_langsys->FeatureIndex[k]; |
064766f2 | 1534 | if (l >= gsub_gpos->FeatureList.FeatureCount) |
39356621 KH |
1535 | continue; |
1536 | OTF_TAG_SYM (sym, gsub_gpos->FeatureList.Feature[l].FeatureTag); | |
e302a291 KH |
1537 | features = Fcons (sym, features); |
1538 | } | |
1539 | if (j >= 0) | |
1540 | OTF_TAG_SYM (sym, otf_script->LangSysRecord[j].LangSysTag); | |
1541 | else | |
1542 | sym = Qnil; | |
1543 | langsyses = Fcons (Fcons (sym, features), langsyses); | |
1544 | } | |
8510724d | 1545 | |
e302a291 KH |
1546 | OTF_TAG_SYM (sym, gsub_gpos->ScriptList.Script[i].ScriptTag); |
1547 | scripts = Fcons (Fcons (sym, langsyses), scripts); | |
1548 | } | |
1549 | return scripts; | |
1550 | ||
1551 | } | |
1552 | ||
1553 | ||
1554 | static Lisp_Object | |
d5a3eaaf | 1555 | ftfont_otf_capability (struct font *font) |
e302a291 KH |
1556 | { |
1557 | struct ftfont_info *ftfont_info = (struct ftfont_info *) font; | |
1558 | OTF *otf = ftfont_get_otf (ftfont_info); | |
1559 | Lisp_Object gsub_gpos; | |
1560 | ||
1561 | if (! otf) | |
1562 | return Qnil; | |
1563 | gsub_gpos = Fcons (Qnil, Qnil); | |
064766f2 KH |
1564 | if (OTF_get_table (otf, "GSUB") == 0 |
1565 | && otf->gsub->FeatureList.FeatureCount > 0) | |
e302a291 | 1566 | XSETCAR (gsub_gpos, ftfont_otf_features (otf->gsub)); |
064766f2 KH |
1567 | if (OTF_get_table (otf, "GPOS") == 0 |
1568 | && otf->gpos->FeatureList.FeatureCount > 0) | |
e302a291 KH |
1569 | XSETCDR (gsub_gpos, ftfont_otf_features (otf->gpos)); |
1570 | return gsub_gpos; | |
1571 | } | |
1572 | ||
de023c40 KH |
1573 | #ifdef HAVE_M17N_FLT |
1574 | ||
c90ca7b7 KH |
1575 | #if (((LIBOTF_MAJOR_VERSION > 1) || (LIBOTF_RELEASE_NUMBER >= 10)) \ |
1576 | && ((M17NLIB_MAJOR_VERSION > 1) || (M17NLIB_MINOR_VERSION >= 6))) | |
c4170e32 KH |
1577 | /* We can use the new feature of libotf and m17n-flt to handle the |
1578 | character encoding scheme introduced in Unicode 5.1 and 5.2 for | |
1579 | some Agian scripts. */ | |
1580 | #define M17N_FLT_USE_NEW_FEATURE | |
1581 | #endif | |
1582 | ||
de023c40 KH |
1583 | struct MFLTFontFT |
1584 | { | |
1585 | MFLTFont flt_font; | |
1586 | struct font *font; | |
1587 | FT_Face ft_face; | |
1588 | OTF *otf; | |
d0db2ec8 | 1589 | FT_Matrix *matrix; |
de023c40 KH |
1590 | }; |
1591 | ||
1592 | static int | |
d5a3eaaf AS |
1593 | ftfont_get_glyph_id (MFLTFont *font, MFLTGlyphString *gstring, |
1594 | int from, int to) | |
de023c40 KH |
1595 | { |
1596 | struct MFLTFontFT *flt_font_ft = (struct MFLTFontFT *) font; | |
1597 | FT_Face ft_face = flt_font_ft->ft_face; | |
1598 | MFLTGlyph *g; | |
1599 | ||
1600 | for (g = gstring->glyphs + from; from < to; g++, from++) | |
1601 | if (! g->encoded) | |
1602 | { | |
1603 | FT_UInt code = FT_Get_Char_Index (ft_face, g->code); | |
1604 | ||
1605 | g->code = code > 0 ? code : FONT_INVALID_CODE; | |
1606 | g->encoded = 1; | |
1607 | } | |
1608 | return 0; | |
1609 | } | |
1610 | ||
d0db2ec8 KH |
1611 | /* Operators for 26.6 fixed fractional pixel format */ |
1612 | ||
1613 | #define FLOOR(x) ((x) & -64) | |
1614 | #define CEIL(x) (((x)+63) & -64) | |
1615 | #define ROUND(x) (((x)+32) & -64) | |
1616 | ||
de023c40 | 1617 | static int |
d5a3eaaf AS |
1618 | ftfont_get_metrics (MFLTFont *font, MFLTGlyphString *gstring, |
1619 | int from, int to) | |
de023c40 KH |
1620 | { |
1621 | struct MFLTFontFT *flt_font_ft = (struct MFLTFontFT *) font; | |
1622 | FT_Face ft_face = flt_font_ft->ft_face; | |
1623 | MFLTGlyph *g; | |
1624 | ||
1625 | for (g = gstring->glyphs + from; from < to; g++, from++) | |
1626 | if (! g->measured) | |
1627 | { | |
1628 | if (g->code != FONT_INVALID_CODE) | |
1629 | { | |
1630 | FT_Glyph_Metrics *m; | |
1631 | ||
1632 | if (FT_Load_Glyph (ft_face, g->code, FT_LOAD_DEFAULT) != 0) | |
1088b922 | 1633 | emacs_abort (); |
de023c40 | 1634 | m = &ft_face->glyph->metrics; |
d0db2ec8 KH |
1635 | if (flt_font_ft->matrix) |
1636 | { | |
1637 | FT_Vector v[4]; | |
1638 | int i; | |
1639 | ||
1640 | v[0].x = v[1].x = m->horiBearingX; | |
1641 | v[2].x = v[3].x = m->horiBearingX + m->width; | |
1642 | v[0].y = v[2].y = m->horiBearingY; | |
1643 | v[1].y = v[3].y = m->horiBearingY - m->height; | |
1644 | for (i = 0; i < 4; i++) | |
1645 | FT_Vector_Transform (v + i, flt_font_ft->matrix); | |
1646 | g->lbearing = v[0].x < v[1].x ? FLOOR (v[0].x) : FLOOR (v[1].x); | |
1647 | g->rbearing = v[2].x > v[3].x ? CEIL (v[2].x) : CEIL (v[3].x); | |
1648 | g->ascent = v[0].y > v[2].y ? CEIL (v[0].y) : CEIL (v[2].y); | |
1649 | g->descent = v[1].y < v[3].y ? - FLOOR (v[1].y) : - FLOOR (v[3].y); | |
1650 | } | |
1651 | else | |
1652 | { | |
1653 | g->lbearing = FLOOR (m->horiBearingX); | |
1654 | g->rbearing = CEIL (m->horiBearingX + m->width); | |
1655 | g->ascent = CEIL (m->horiBearingY); | |
1656 | g->descent = - FLOOR (m->horiBearingY - m->height); | |
1657 | } | |
1658 | g->xadv = ROUND (ft_face->glyph->advance.x); | |
de023c40 KH |
1659 | } |
1660 | else | |
1661 | { | |
1662 | g->lbearing = 0; | |
42984a74 | 1663 | g->rbearing = g->xadv = flt_font_ft->font->space_width << 6; |
de023c40 KH |
1664 | g->ascent = flt_font_ft->font->ascent << 6; |
1665 | g->descent = flt_font_ft->font->descent << 6; | |
1666 | } | |
1667 | g->yadv = 0; | |
1668 | g->measured = 1; | |
1669 | } | |
1670 | return 0; | |
1671 | } | |
1672 | ||
2a46904e | 1673 | static int |
de023c40 KH |
1674 | ftfont_check_otf (MFLTFont *font, MFLTOtfSpec *spec) |
1675 | { | |
78a21772 KH |
1676 | #define FEATURE_NONE(IDX) (! spec->features[IDX]) |
1677 | ||
1678 | #define FEATURE_ANY(IDX) \ | |
1679 | (spec->features[IDX] \ | |
1680 | && spec->features[IDX][0] == 0xFFFFFFFF && spec->features[IDX][1] == 0) | |
1681 | ||
de023c40 KH |
1682 | struct MFLTFontFT *flt_font_ft = (struct MFLTFontFT *) font; |
1683 | OTF *otf = flt_font_ft->otf; | |
1684 | OTF_Tag *tags; | |
a864ef14 PE |
1685 | int i, n; |
1686 | bool negative; | |
de023c40 | 1687 | |
78a21772 | 1688 | if (FEATURE_ANY (0) && FEATURE_ANY (1)) |
a864ef14 PE |
1689 | /* Return true iff any of GSUB or GPOS support the script (and |
1690 | language). */ | |
fa3f6039 KH |
1691 | return (otf |
1692 | && (OTF_check_features (otf, 0, spec->script, spec->langsys, | |
1693 | NULL, 0) > 0 | |
1694 | || OTF_check_features (otf, 1, spec->script, spec->langsys, | |
1695 | NULL, 0) > 0)); | |
1696 | ||
de023c40 | 1697 | for (i = 0; i < 2; i++) |
78a21772 | 1698 | if (! FEATURE_ANY (i)) |
fa3f6039 | 1699 | { |
78a21772 | 1700 | if (FEATURE_NONE (i)) |
fa3f6039 | 1701 | { |
78a21772 KH |
1702 | if (otf |
1703 | && OTF_check_features (otf, i == 0, spec->script, spec->langsys, | |
1704 | NULL, 0) > 0) | |
1705 | return 0; | |
1706 | continue; | |
fa3f6039 KH |
1707 | } |
1708 | if (spec->features[i][0] == 0xFFFFFFFF) | |
1709 | { | |
78a21772 KH |
1710 | if (! otf |
1711 | || OTF_check_features (otf, i == 0, spec->script, spec->langsys, | |
1712 | NULL, 0) <= 0) | |
fa3f6039 KH |
1713 | continue; |
1714 | } | |
78a21772 | 1715 | else if (! otf) |
fa3f6039 | 1716 | return 0; |
fa3f6039 KH |
1717 | for (n = 1; spec->features[i][n]; n++); |
1718 | tags = alloca (sizeof (OTF_Tag) * n); | |
1719 | for (n = 0, negative = 0; spec->features[i][n]; n++) | |
1720 | { | |
1721 | if (spec->features[i][n] == 0xFFFFFFFF) | |
1722 | negative = 1; | |
1723 | else if (negative) | |
1724 | tags[n - 1] = spec->features[i][n] | 0x80000000; | |
1725 | else | |
1726 | tags[n] = spec->features[i][n]; | |
1727 | } | |
c4170e32 | 1728 | #ifdef M17N_FLT_USE_NEW_FEATURE |
fa3f6039 KH |
1729 | if (OTF_check_features (otf, i == 0, spec->script, spec->langsys, |
1730 | tags, n - negative) != 1) | |
1731 | return 0; | |
c4170e32 | 1732 | #else /* not M17N_FLT_USE_NEW_FEATURE */ |
fa3f6039 KH |
1733 | if (n - negative > 0 |
1734 | && OTF_check_features (otf, i == 0, spec->script, spec->langsys, | |
1735 | tags, n - negative) != 1) | |
1736 | return 0; | |
c4170e32 | 1737 | #endif /* not M17N_FLT_USE_NEW_FEATURE */ |
fa3f6039 | 1738 | } |
de023c40 | 1739 | return 1; |
78a21772 KH |
1740 | #undef FEATURE_NONE |
1741 | #undef FEATURE_ANY | |
de023c40 KH |
1742 | } |
1743 | ||
1744 | #define DEVICE_DELTA(table, size) \ | |
1745 | (((size) >= (table).StartSize && (size) <= (table).EndSize) \ | |
1746 | ? (table).DeltaValue[(size) - (table).StartSize] << 6 \ | |
1747 | : 0) | |
1748 | ||
1749 | static void | |
1750 | adjust_anchor (FT_Face ft_face, OTF_Anchor *anchor, | |
1751 | unsigned code, int x_ppem, int y_ppem, int *x, int *y) | |
1752 | { | |
1753 | if (anchor->AnchorFormat == 2) | |
1754 | { | |
1755 | FT_Outline *outline; | |
1756 | int ap = anchor->f.f1.AnchorPoint; | |
1757 | ||
1758 | FT_Load_Glyph (ft_face, (FT_UInt) code, FT_LOAD_MONOCHROME); | |
1759 | outline = &ft_face->glyph->outline; | |
1760 | if (ap < outline->n_points) | |
1761 | { | |
1762 | *x = outline->points[ap].x << 6; | |
1763 | *y = outline->points[ap].y << 6; | |
1764 | } | |
1765 | } | |
1766 | else if (anchor->AnchorFormat == 3) | |
1767 | { | |
d90bfd1c KH |
1768 | if (anchor->f.f2.XDeviceTable.offset |
1769 | && anchor->f.f2.XDeviceTable.DeltaValue) | |
de023c40 | 1770 | *x += DEVICE_DELTA (anchor->f.f2.XDeviceTable, x_ppem); |
d90bfd1c KH |
1771 | if (anchor->f.f2.YDeviceTable.offset |
1772 | && anchor->f.f2.YDeviceTable.DeltaValue) | |
de023c40 KH |
1773 | *y += DEVICE_DELTA (anchor->f.f2.YDeviceTable, y_ppem); |
1774 | } | |
1775 | } | |
1776 | ||
1777 | static OTF_GlyphString otf_gstring; | |
1778 | ||
2b33f1ef KH |
1779 | static void |
1780 | setup_otf_gstring (int size) | |
1781 | { | |
0065d054 | 1782 | if (otf_gstring.size < size) |
2b33f1ef | 1783 | { |
0065d054 PE |
1784 | otf_gstring.glyphs = xnrealloc (otf_gstring.glyphs, |
1785 | size, sizeof (OTF_Glyph)); | |
2b33f1ef KH |
1786 | otf_gstring.size = size; |
1787 | } | |
1788 | otf_gstring.used = size; | |
1789 | memset (otf_gstring.glyphs, 0, sizeof (OTF_Glyph) * size); | |
1790 | } | |
1791 | ||
c4170e32 KH |
1792 | #ifdef M17N_FLT_USE_NEW_FEATURE |
1793 | ||
1794 | /* Pack 32-bit OTF tag (0x7F7F7F7F) into 28-bit (0x0FFFFFFF). */ | |
1795 | #define PACK_OTF_TAG(TAG) \ | |
1796 | ((((TAG) & 0x7F000000) >> 3) \ | |
1797 | | (((TAG) & 0x7F0000) >> 2) \ | |
1798 | | (((TAG) & 0x7F00) >> 1) \ | |
1799 | | ((TAG) & 0x7F)) | |
1800 | ||
1801 | /* Assuming that FONT is an OpenType font, apply OpenType features | |
1802 | specified in SPEC on glyphs between FROM and TO of IN, and record | |
1803 | the lastly applied feature in each glyph of IN. If OUT is not | |
1804 | NULL, append the resulting glyphs to OUT while storing glyph | |
1805 | position adjustment information in ADJUSTMENT. */ | |
1806 | ||
1807 | static int | |
ef1b0ba7 SM |
1808 | ftfont_drive_otf (MFLTFont *font, |
1809 | MFLTOtfSpec *spec, | |
1810 | MFLTGlyphString *in, | |
1811 | int from, | |
1812 | int to, | |
1813 | MFLTGlyphString *out, | |
1814 | MFLTGlyphAdjustment *adjustment) | |
c4170e32 KH |
1815 | { |
1816 | struct MFLTFontFT *flt_font_ft = (struct MFLTFontFT *) font; | |
1817 | FT_Face ft_face = flt_font_ft->ft_face; | |
1818 | OTF *otf = flt_font_ft->otf; | |
1819 | int len = to - from; | |
1820 | int i, j, gidx; | |
1821 | OTF_Glyph *otfg; | |
1822 | char script[5], *langsys = NULL; | |
1823 | char *gsub_features = NULL, *gpos_features = NULL; | |
1824 | OTF_Feature *features; | |
1825 | ||
1826 | if (len == 0) | |
1827 | return from; | |
1828 | OTF_tag_name (spec->script, script); | |
1829 | if (spec->langsys) | |
1830 | { | |
1831 | langsys = alloca (5); | |
1832 | OTF_tag_name (spec->langsys, langsys); | |
1833 | } | |
1834 | for (i = 0; i < 2; i++) | |
1835 | { | |
1836 | char *p; | |
1837 | ||
1838 | if (spec->features[i] && spec->features[i][1] != 0xFFFFFFFF) | |
1839 | { | |
1840 | for (j = 0; spec->features[i][j]; j++); | |
1841 | if (i == 0) | |
1842 | p = gsub_features = alloca (6 * j); | |
1843 | else | |
1844 | p = gpos_features = alloca (6 * j); | |
1845 | for (j = 0; spec->features[i][j]; j++) | |
1846 | { | |
1847 | if (spec->features[i][j] == 0xFFFFFFFF) | |
1848 | *p++ = '*', *p++ = ','; | |
1849 | else | |
1850 | { | |
1851 | OTF_tag_name (spec->features[i][j], p); | |
1852 | p[4] = ','; | |
1853 | p += 5; | |
1854 | } | |
1855 | } | |
1856 | *--p = '\0'; | |
1857 | } | |
1858 | } | |
1859 | ||
1860 | setup_otf_gstring (len); | |
1861 | for (i = 0; i < len; i++) | |
1862 | { | |
4827f94e | 1863 | otf_gstring.glyphs[i].c = in->glyphs[from + i].c & 0x11FFFF; |
c4170e32 KH |
1864 | otf_gstring.glyphs[i].glyph_id = in->glyphs[from + i].code; |
1865 | } | |
1866 | ||
1867 | OTF_drive_gdef (otf, &otf_gstring); | |
1868 | gidx = out ? out->used : from; | |
1869 | ||
1870 | if (gsub_features && out) | |
1871 | { | |
1872 | if (OTF_drive_gsub_with_log (otf, &otf_gstring, script, langsys, | |
1873 | gsub_features) < 0) | |
1874 | goto simple_copy; | |
1875 | if (out->allocated < out->used + otf_gstring.used) | |
1876 | return -2; | |
1877 | features = otf->gsub->FeatureList.Feature; | |
1878 | for (i = 0, otfg = otf_gstring.glyphs; i < otf_gstring.used; ) | |
1879 | { | |
1880 | MFLTGlyph *g; | |
1881 | int min_from, max_to; | |
c4170e32 KH |
1882 | int feature_idx = otfg->positioning_type >> 4; |
1883 | ||
1884 | g = out->glyphs + out->used; | |
1885 | *g = in->glyphs[from + otfg->f.index.from]; | |
1886 | if (g->code != otfg->glyph_id) | |
1887 | { | |
1888 | g->c = 0; | |
1889 | g->code = otfg->glyph_id; | |
1890 | g->measured = 0; | |
1891 | } | |
1892 | out->used++; | |
1893 | min_from = g->from; | |
1894 | max_to = g->to; | |
1895 | if (otfg->f.index.from < otfg->f.index.to) | |
1896 | { | |
1897 | /* OTFG substitutes multiple glyphs in IN. */ | |
1898 | for (j = from + otfg->f.index.from + 1; | |
1899 | j <= from + otfg->f.index.to; j++) | |
1900 | { | |
1901 | if (min_from > in->glyphs[j].from) | |
1902 | min_from = in->glyphs[j].from; | |
1903 | if (max_to < in->glyphs[j].to) | |
1904 | max_to = in->glyphs[j].to; | |
1905 | } | |
1906 | g->from = min_from; | |
1907 | g->to = max_to; | |
1908 | } | |
1909 | if (feature_idx) | |
1910 | { | |
1911 | unsigned int tag = features[feature_idx - 1].FeatureTag; | |
1912 | tag = PACK_OTF_TAG (tag); | |
1913 | g->internal = (g->internal & ~0x1FFFFFFF) | tag; | |
1914 | } | |
1915 | for (i++, otfg++; (i < otf_gstring.used | |
1916 | && otfg->f.index.from == otfg[-1].f.index.from); | |
1917 | i++, otfg++) | |
1918 | { | |
1919 | g = out->glyphs + out->used; | |
1920 | *g = in->glyphs[from + otfg->f.index.to]; | |
1921 | if (g->code != otfg->glyph_id) | |
1922 | { | |
1923 | g->c = 0; | |
1924 | g->code = otfg->glyph_id; | |
1925 | g->measured = 0; | |
1926 | } | |
1927 | feature_idx = otfg->positioning_type >> 4; | |
1928 | if (feature_idx) | |
1929 | { | |
1930 | unsigned int tag = features[feature_idx - 1].FeatureTag; | |
1931 | tag = PACK_OTF_TAG (tag); | |
1932 | g->internal = (g->internal & ~0x1FFFFFFF) | tag; | |
1933 | } | |
1934 | out->used++; | |
1935 | } | |
1936 | } | |
1937 | } | |
1938 | else if (gsub_features) | |
1939 | { | |
1940 | /* Just for checking which features will be applied. */ | |
1941 | if (OTF_drive_gsub_with_log (otf, &otf_gstring, script, langsys, | |
1942 | gsub_features) < 0) | |
1943 | goto simple_copy; | |
1944 | features = otf->gsub->FeatureList.Feature; | |
1945 | for (i = 0, otfg = otf_gstring.glyphs; i < otf_gstring.used; i++, | |
1946 | otfg++) | |
1947 | { | |
1948 | int feature_idx = otfg->positioning_type >> 4; | |
1949 | ||
1950 | if (feature_idx) | |
1951 | { | |
1952 | unsigned int tag = features[feature_idx - 1].FeatureTag; | |
1953 | tag = PACK_OTF_TAG (tag); | |
1954 | for (j = otfg->f.index.from; j <= otfg->f.index.to; j++) | |
1955 | { | |
1956 | MFLTGlyph *g = in->glyphs + (from + j); | |
1957 | g->internal = (g->internal & ~0x1FFFFFFF) | tag; | |
1958 | } | |
1959 | } | |
1960 | } | |
1961 | } | |
1962 | else if (out) | |
1963 | { | |
1964 | if (out->allocated < out->used + len) | |
1965 | return -2; | |
1966 | for (i = 0; i < len; i++) | |
1967 | out->glyphs[out->used++] = in->glyphs[from + i]; | |
1968 | } | |
1969 | ||
1970 | if (gpos_features && out) | |
1971 | { | |
1972 | MFLTGlyph *base = NULL, *mark = NULL, *g; | |
1973 | int x_ppem, y_ppem, x_scale, y_scale; | |
1974 | ||
1975 | if (OTF_drive_gpos_with_log (otf, &otf_gstring, script, langsys, | |
1976 | gpos_features) < 0) | |
1977 | return to; | |
1978 | features = otf->gpos->FeatureList.Feature; | |
1979 | x_ppem = ft_face->size->metrics.x_ppem; | |
1980 | y_ppem = ft_face->size->metrics.y_ppem; | |
1981 | x_scale = ft_face->size->metrics.x_scale; | |
1982 | y_scale = ft_face->size->metrics.y_scale; | |
1983 | ||
1984 | for (i = 0, otfg = otf_gstring.glyphs, g = out->glyphs + gidx; | |
1985 | i < otf_gstring.used; i++, otfg++, g++) | |
1986 | { | |
1987 | MFLTGlyph *prev; | |
1988 | int feature_idx = otfg->positioning_type >> 4; | |
1989 | ||
1990 | if (feature_idx) | |
1991 | { | |
1992 | unsigned int tag = features[feature_idx - 1].FeatureTag; | |
1993 | tag = PACK_OTF_TAG (tag); | |
1994 | g->internal = (g->internal & ~0x1FFFFFFF) | tag; | |
1995 | } | |
1996 | ||
1997 | if (! otfg->glyph_id) | |
1998 | continue; | |
1999 | switch (otfg->positioning_type & 0xF) | |
2000 | { | |
2001 | case 0: | |
2002 | break; | |
2003 | case 1: /* Single */ | |
2004 | case 2: /* Pair */ | |
2005 | { | |
2006 | int format = otfg->f.f1.format; | |
2007 | ||
2008 | if (format & OTF_XPlacement) | |
2009 | adjustment[i].xoff | |
2010 | = otfg->f.f1.value->XPlacement * x_scale / 0x10000; | |
2011 | if (format & OTF_XPlaDevice) | |
2012 | adjustment[i].xoff | |
2013 | += DEVICE_DELTA (otfg->f.f1.value->XPlaDevice, x_ppem); | |
2014 | if (format & OTF_YPlacement) | |
2015 | adjustment[i].yoff | |
2016 | = - (otfg->f.f1.value->YPlacement * y_scale / 0x10000); | |
2017 | if (format & OTF_YPlaDevice) | |
2018 | adjustment[i].yoff | |
2019 | -= DEVICE_DELTA (otfg->f.f1.value->YPlaDevice, y_ppem); | |
2020 | if (format & OTF_XAdvance) | |
2021 | adjustment[i].xadv | |
2022 | += otfg->f.f1.value->XAdvance * x_scale / 0x10000; | |
2023 | if (format & OTF_XAdvDevice) | |
2024 | adjustment[i].xadv | |
2025 | += DEVICE_DELTA (otfg->f.f1.value->XAdvDevice, x_ppem); | |
2026 | if (format & OTF_YAdvance) | |
2027 | adjustment[i].yadv | |
2028 | += otfg->f.f1.value->YAdvance * y_scale / 0x10000; | |
2029 | if (format & OTF_YAdvDevice) | |
2030 | adjustment[i].yadv | |
2031 | += DEVICE_DELTA (otfg->f.f1.value->YAdvDevice, y_ppem); | |
2032 | adjustment[i].set = 1; | |
2033 | } | |
2034 | break; | |
2035 | case 3: /* Cursive */ | |
2036 | /* Not yet supported. */ | |
2037 | break; | |
2038 | case 4: /* Mark-to-Base */ | |
2039 | case 5: /* Mark-to-Ligature */ | |
2040 | if (! base) | |
2041 | break; | |
2042 | prev = base; | |
2043 | goto label_adjust_anchor; | |
2044 | default: /* i.e. case 6 Mark-to-Mark */ | |
2045 | if (! mark) | |
2046 | break; | |
2047 | prev = mark; | |
2048 | ||
2049 | label_adjust_anchor: | |
2050 | { | |
2051 | int base_x, base_y, mark_x, mark_y; | |
2052 | int this_from, this_to; | |
2053 | ||
2054 | base_x = otfg->f.f4.base_anchor->XCoordinate * x_scale / 0x10000; | |
2055 | base_y = otfg->f.f4.base_anchor->YCoordinate * y_scale / 0x10000; | |
2056 | mark_x = otfg->f.f4.mark_anchor->XCoordinate * x_scale / 0x10000; | |
2057 | mark_y = otfg->f.f4.mark_anchor->YCoordinate * y_scale / 0x10000; | |
2058 | ||
2059 | if (otfg->f.f4.base_anchor->AnchorFormat != 1) | |
2060 | adjust_anchor (ft_face, otfg->f.f4.base_anchor, | |
2061 | prev->code, x_ppem, y_ppem, &base_x, &base_y); | |
2062 | if (otfg->f.f4.mark_anchor->AnchorFormat != 1) | |
2063 | adjust_anchor (ft_face, otfg->f.f4.mark_anchor, g->code, | |
2064 | x_ppem, y_ppem, &mark_x, &mark_y); | |
2065 | adjustment[i].xoff = (base_x - mark_x); | |
2066 | adjustment[i].yoff = - (base_y - mark_y); | |
2067 | adjustment[i].back = (g - prev); | |
2068 | adjustment[i].xadv = 0; | |
2069 | adjustment[i].advance_is_absolute = 1; | |
2070 | adjustment[i].set = 1; | |
2071 | this_from = g->from; | |
2072 | this_to = g->to; | |
2073 | for (j = 0; prev + j < g; j++) | |
2074 | { | |
2075 | if (this_from > prev[j].from) | |
2076 | this_from = prev[j].from; | |
2077 | if (this_to < prev[j].to) | |
2078 | this_to = prev[j].to; | |
2079 | } | |
2080 | for (; prev <= g; prev++) | |
2081 | { | |
2082 | prev->from = this_from; | |
2083 | prev->to = this_to; | |
2084 | } | |
2085 | } | |
2086 | } | |
2087 | if (otfg->GlyphClass == OTF_GlyphClass0) | |
2088 | base = mark = g; | |
2089 | else if (otfg->GlyphClass == OTF_GlyphClassMark) | |
2090 | mark = g; | |
2091 | else | |
2092 | base = g; | |
2093 | } | |
2094 | } | |
2095 | else if (gpos_features) | |
2096 | { | |
2097 | if (OTF_drive_gpos_with_log (otf, &otf_gstring, script, langsys, | |
2098 | gpos_features) < 0) | |
2099 | return to; | |
2100 | features = otf->gpos->FeatureList.Feature; | |
2101 | for (i = 0, otfg = otf_gstring.glyphs; i < otf_gstring.used; | |
2102 | i++, otfg++) | |
2103 | if (otfg->positioning_type & 0xF) | |
2104 | { | |
2105 | int feature_idx = otfg->positioning_type >> 4; | |
2106 | ||
2107 | if (feature_idx) | |
2108 | { | |
2109 | unsigned int tag = features[feature_idx - 1].FeatureTag; | |
2110 | tag = PACK_OTF_TAG (tag); | |
2111 | for (j = otfg->f.index.from; j <= otfg->f.index.to; j++) | |
2112 | { | |
2113 | MFLTGlyph *g = in->glyphs + (from + j); | |
2114 | g->internal = (g->internal & ~0x1FFFFFFF) | tag; | |
2115 | } | |
2116 | } | |
2117 | } | |
2118 | } | |
2119 | return to; | |
2120 | ||
2121 | simple_copy: | |
2122 | if (! out) | |
2123 | return to; | |
2124 | if (out->allocated < out->used + len) | |
2125 | return -2; | |
2126 | font->get_metrics (font, in, from, to); | |
2127 | memcpy (out->glyphs + out->used, in->glyphs + from, | |
2128 | sizeof (MFLTGlyph) * len); | |
2129 | out->used += len; | |
2130 | return to; | |
2131 | } | |
2132 | ||
9fa82824 | 2133 | static int |
c4170e32 KH |
2134 | ftfont_try_otf (MFLTFont *font, MFLTOtfSpec *spec, |
2135 | MFLTGlyphString *in, int from, int to) | |
2136 | { | |
2137 | return ftfont_drive_otf (font, spec, in, from, to, NULL, NULL); | |
2138 | } | |
2139 | ||
2140 | #else /* not M17N_FLT_USE_NEW_FEATURE */ | |
2b33f1ef | 2141 | |
2a46904e | 2142 | static int |
d5a3eaaf AS |
2143 | ftfont_drive_otf (MFLTFont *font, MFLTOtfSpec *spec, MFLTGlyphString *in, |
2144 | int from, int to, | |
2145 | MFLTGlyphString *out, MFLTGlyphAdjustment *adjustment) | |
de023c40 KH |
2146 | { |
2147 | struct MFLTFontFT *flt_font_ft = (struct MFLTFontFT *) font; | |
2148 | FT_Face ft_face = flt_font_ft->ft_face; | |
2149 | OTF *otf = flt_font_ft->otf; | |
2150 | int len = to - from; | |
2151 | int i, j, gidx; | |
2152 | OTF_Glyph *otfg; | |
2153 | char script[5], *langsys = NULL; | |
2154 | char *gsub_features = NULL, *gpos_features = NULL; | |
2155 | ||
2156 | if (len == 0) | |
2157 | return from; | |
2158 | OTF_tag_name (spec->script, script); | |
2159 | if (spec->langsys) | |
2160 | { | |
2161 | langsys = alloca (5); | |
2162 | OTF_tag_name (spec->langsys, langsys); | |
2163 | } | |
2164 | for (i = 0; i < 2; i++) | |
2165 | { | |
2166 | char *p; | |
2167 | ||
2168 | if (spec->features[i] && spec->features[i][1] != 0xFFFFFFFF) | |
2169 | { | |
2170 | for (j = 0; spec->features[i][j]; j++); | |
2171 | if (i == 0) | |
2172 | p = gsub_features = alloca (6 * j); | |
2173 | else | |
2174 | p = gpos_features = alloca (6 * j); | |
2175 | for (j = 0; spec->features[i][j]; j++) | |
2176 | { | |
2177 | if (spec->features[i][j] == 0xFFFFFFFF) | |
2178 | *p++ = '*', *p++ = ','; | |
2179 | else | |
2180 | { | |
2181 | OTF_tag_name (spec->features[i][j], p); | |
2182 | p[4] = ','; | |
2183 | p += 5; | |
2184 | } | |
2185 | } | |
2186 | *--p = '\0'; | |
2187 | } | |
2188 | } | |
2189 | ||
2b33f1ef | 2190 | setup_otf_gstring (len); |
de023c40 KH |
2191 | for (i = 0; i < len; i++) |
2192 | { | |
2193 | otf_gstring.glyphs[i].c = in->glyphs[from + i].c; | |
2194 | otf_gstring.glyphs[i].glyph_id = in->glyphs[from + i].code; | |
2195 | } | |
2196 | ||
2197 | OTF_drive_gdef (otf, &otf_gstring); | |
2198 | gidx = out->used; | |
2199 | ||
2200 | if (gsub_features) | |
2201 | { | |
2202 | if (OTF_drive_gsub (otf, &otf_gstring, script, langsys, gsub_features) | |
2203 | < 0) | |
2204 | goto simple_copy; | |
2205 | if (out->allocated < out->used + otf_gstring.used) | |
2206 | return -2; | |
7d2fd545 | 2207 | for (i = 0, otfg = otf_gstring.glyphs; i < otf_gstring.used; ) |
de023c40 | 2208 | { |
7d2fd545 KH |
2209 | MFLTGlyph *g; |
2210 | int min_from, max_to; | |
de023c40 KH |
2211 | int j; |
2212 | ||
7d2fd545 | 2213 | g = out->glyphs + out->used; |
de023c40 | 2214 | *g = in->glyphs[from + otfg->f.index.from]; |
de023c40 KH |
2215 | if (g->code != otfg->glyph_id) |
2216 | { | |
7d2fd545 | 2217 | g->c = 0; |
de023c40 KH |
2218 | g->code = otfg->glyph_id; |
2219 | g->measured = 0; | |
2220 | } | |
2221 | out->used++; | |
7d2fd545 KH |
2222 | min_from = g->from; |
2223 | max_to = g->to; | |
2224 | if (otfg->f.index.from < otfg->f.index.to) | |
2225 | { | |
2226 | /* OTFG substitutes multiple glyphs in IN. */ | |
2227 | for (j = from + otfg->f.index.from + 1; | |
2228 | j <= from + otfg->f.index.to; j++) | |
2229 | { | |
2230 | if (min_from > in->glyphs[j].from) | |
2231 | min_from = in->glyphs[j].from; | |
2232 | if (max_to < in->glyphs[j].to) | |
2233 | max_to = in->glyphs[j].to; | |
2234 | } | |
2235 | g->from = min_from; | |
2236 | g->to = max_to; | |
2237 | } | |
2238 | for (i++, otfg++; (i < otf_gstring.used | |
2239 | && otfg->f.index.from == otfg[-1].f.index.from); | |
2240 | i++, otfg++) | |
2241 | { | |
2242 | g = out->glyphs + out->used; | |
2243 | *g = in->glyphs[from + otfg->f.index.to]; | |
2244 | if (g->code != otfg->glyph_id) | |
2245 | { | |
2246 | g->c = 0; | |
2247 | g->code = otfg->glyph_id; | |
2248 | g->measured = 0; | |
2249 | } | |
2250 | out->used++; | |
2251 | } | |
de023c40 KH |
2252 | } |
2253 | } | |
2254 | else | |
2255 | { | |
2256 | if (out->allocated < out->used + len) | |
2257 | return -2; | |
2258 | for (i = 0; i < len; i++) | |
2259 | out->glyphs[out->used++] = in->glyphs[from + i]; | |
2260 | } | |
2261 | ||
2262 | if (gpos_features) | |
2263 | { | |
2264 | MFLTGlyph *base = NULL, *mark = NULL, *g; | |
2265 | int x_ppem, y_ppem, x_scale, y_scale; | |
2266 | ||
2267 | if (OTF_drive_gpos (otf, &otf_gstring, script, langsys, gpos_features) | |
2268 | < 0) | |
2269 | return to; | |
2270 | ||
2271 | x_ppem = ft_face->size->metrics.x_ppem; | |
2272 | y_ppem = ft_face->size->metrics.y_ppem; | |
2273 | x_scale = ft_face->size->metrics.x_scale; | |
2274 | y_scale = ft_face->size->metrics.y_scale; | |
2275 | ||
2276 | for (i = 0, otfg = otf_gstring.glyphs, g = out->glyphs + gidx; | |
2277 | i < otf_gstring.used; i++, otfg++, g++) | |
2278 | { | |
2279 | MFLTGlyph *prev; | |
2280 | ||
2281 | if (! otfg->glyph_id) | |
2282 | continue; | |
2283 | switch (otfg->positioning_type) | |
2284 | { | |
2285 | case 0: | |
2286 | break; | |
2287 | case 1: /* Single */ | |
2288 | case 2: /* Pair */ | |
2289 | { | |
2290 | int format = otfg->f.f1.format; | |
2291 | ||
2292 | if (format & OTF_XPlacement) | |
2293 | adjustment[i].xoff | |
2294 | = otfg->f.f1.value->XPlacement * x_scale / 0x10000; | |
2295 | if (format & OTF_XPlaDevice) | |
2296 | adjustment[i].xoff | |
2297 | += DEVICE_DELTA (otfg->f.f1.value->XPlaDevice, x_ppem); | |
2298 | if (format & OTF_YPlacement) | |
2299 | adjustment[i].yoff | |
2300 | = - (otfg->f.f1.value->YPlacement * y_scale / 0x10000); | |
2301 | if (format & OTF_YPlaDevice) | |
2302 | adjustment[i].yoff | |
2303 | -= DEVICE_DELTA (otfg->f.f1.value->YPlaDevice, y_ppem); | |
2304 | if (format & OTF_XAdvance) | |
2305 | adjustment[i].xadv | |
2306 | += otfg->f.f1.value->XAdvance * x_scale / 0x10000; | |
2307 | if (format & OTF_XAdvDevice) | |
2308 | adjustment[i].xadv | |
2309 | += DEVICE_DELTA (otfg->f.f1.value->XAdvDevice, x_ppem); | |
2310 | if (format & OTF_YAdvance) | |
2311 | adjustment[i].yadv | |
2312 | += otfg->f.f1.value->YAdvance * y_scale / 0x10000; | |
2313 | if (format & OTF_YAdvDevice) | |
2314 | adjustment[i].yadv | |
2315 | += DEVICE_DELTA (otfg->f.f1.value->YAdvDevice, y_ppem); | |
2316 | adjustment[i].set = 1; | |
2317 | } | |
2318 | break; | |
2319 | case 3: /* Cursive */ | |
2320 | /* Not yet supported. */ | |
2321 | break; | |
2322 | case 4: /* Mark-to-Base */ | |
2323 | case 5: /* Mark-to-Ligature */ | |
2324 | if (! base) | |
2325 | break; | |
2326 | prev = base; | |
2327 | goto label_adjust_anchor; | |
2328 | default: /* i.e. case 6 Mark-to-Mark */ | |
2329 | if (! mark) | |
2330 | break; | |
2331 | prev = mark; | |
2332 | ||
2333 | label_adjust_anchor: | |
2334 | { | |
2335 | int base_x, base_y, mark_x, mark_y; | |
2336 | int this_from, this_to; | |
2337 | ||
2338 | base_x = otfg->f.f4.base_anchor->XCoordinate * x_scale / 0x10000; | |
2339 | base_y = otfg->f.f4.base_anchor->YCoordinate * y_scale / 0x10000; | |
2340 | mark_x = otfg->f.f4.mark_anchor->XCoordinate * x_scale / 0x10000; | |
8510724d | 2341 | mark_y = otfg->f.f4.mark_anchor->YCoordinate * y_scale / 0x10000; |
de023c40 KH |
2342 | |
2343 | if (otfg->f.f4.base_anchor->AnchorFormat != 1) | |
2344 | adjust_anchor (ft_face, otfg->f.f4.base_anchor, | |
2345 | prev->code, x_ppem, y_ppem, &base_x, &base_y); | |
2346 | if (otfg->f.f4.mark_anchor->AnchorFormat != 1) | |
2347 | adjust_anchor (ft_face, otfg->f.f4.mark_anchor, g->code, | |
2348 | x_ppem, y_ppem, &mark_x, &mark_y); | |
2349 | adjustment[i].xoff = (base_x - mark_x); | |
2350 | adjustment[i].yoff = - (base_y - mark_y); | |
2351 | adjustment[i].back = (g - prev); | |
2352 | adjustment[i].xadv = 0; | |
2353 | adjustment[i].advance_is_absolute = 1; | |
2354 | adjustment[i].set = 1; | |
2355 | this_from = g->from; | |
2356 | this_to = g->to; | |
2357 | for (j = 0; prev + j < g; j++) | |
2358 | { | |
2359 | if (this_from > prev[j].from) | |
2360 | this_from = prev[j].from; | |
2361 | if (this_to < prev[j].to) | |
2362 | this_to = prev[j].to; | |
2363 | } | |
2364 | for (; prev <= g; prev++) | |
2365 | { | |
2366 | prev->from = this_from; | |
2367 | prev->to = this_to; | |
2368 | } | |
2369 | } | |
2370 | } | |
2371 | if (otfg->GlyphClass == OTF_GlyphClass0) | |
2372 | base = mark = g; | |
2373 | else if (otfg->GlyphClass == OTF_GlyphClassMark) | |
2374 | mark = g; | |
2375 | else | |
2376 | base = g; | |
2377 | } | |
2378 | } | |
2379 | return to; | |
2380 | ||
2381 | simple_copy: | |
2382 | if (out->allocated < out->used + len) | |
2383 | return -2; | |
2384 | font->get_metrics (font, in, from, to); | |
2385 | memcpy (out->glyphs + out->used, in->glyphs + from, | |
2386 | sizeof (MFLTGlyph) * len); | |
2387 | out->used += len; | |
2388 | return to; | |
2389 | } | |
2390 | ||
c4170e32 KH |
2391 | #endif /* not M17N_FLT_USE_NEW_FEATURE */ |
2392 | ||
de023c40 KH |
2393 | static MFLTGlyphString gstring; |
2394 | ||
a864ef14 | 2395 | static bool m17n_flt_initialized; |
de023c40 | 2396 | |
990a73f0 | 2397 | static Lisp_Object |
d5a3eaaf AS |
2398 | ftfont_shape_by_flt (Lisp_Object lgstring, struct font *font, |
2399 | FT_Face ft_face, OTF *otf, FT_Matrix *matrix) | |
de023c40 | 2400 | { |
d311d28c PE |
2401 | ptrdiff_t len = LGSTRING_GLYPH_LEN (lgstring); |
2402 | ptrdiff_t i; | |
de023c40 | 2403 | struct MFLTFontFT flt_font_ft; |
da2cf488 | 2404 | MFLT *flt = NULL; |
a864ef14 | 2405 | bool with_variation_selector = 0; |
de023c40 KH |
2406 | |
2407 | if (! m17n_flt_initialized) | |
2408 | { | |
2409 | M17N_INIT (); | |
c4170e32 KH |
2410 | #ifdef M17N_FLT_USE_NEW_FEATURE |
2411 | mflt_enable_new_feature = 1; | |
2412 | mflt_try_otf = ftfont_try_otf; | |
2413 | #endif /* M17N_FLT_USE_NEW_FEATURE */ | |
de023c40 KH |
2414 | m17n_flt_initialized = 1; |
2415 | } | |
2416 | ||
2417 | for (i = 0; i < len; i++) | |
2b33f1ef KH |
2418 | { |
2419 | Lisp_Object g = LGSTRING_GLYPH (lgstring, i); | |
2420 | int c; | |
2421 | ||
2422 | if (NILP (g)) | |
2423 | break; | |
2424 | c = LGLYPH_CHAR (g); | |
2425 | if (CHAR_VARIATION_SELECTOR_P (c)) | |
a864ef14 | 2426 | with_variation_selector = 1; |
2b33f1ef | 2427 | } |
f2ed8a70 | 2428 | |
de023c40 | 2429 | len = i; |
537775e8 | 2430 | lint_assume (len <= STRING_BYTES_BOUND); |
f2ed8a70 | 2431 | |
2b33f1ef KH |
2432 | if (with_variation_selector) |
2433 | { | |
2434 | setup_otf_gstring (len); | |
2435 | for (i = 0; i < len; i++) | |
2436 | { | |
2437 | Lisp_Object g = LGSTRING_GLYPH (lgstring, i); | |
2438 | ||
2439 | otf_gstring.glyphs[i].c = LGLYPH_CHAR (g); | |
2440 | otf_gstring.glyphs[i].f.index.from = LGLYPH_FROM (g); | |
2441 | otf_gstring.glyphs[i].f.index.to = LGLYPH_TO (g); | |
2442 | } | |
2443 | OTF_drive_cmap (otf, &otf_gstring); | |
2444 | for (i = 0; i < otf_gstring.used; i++) | |
2445 | { | |
2446 | OTF_Glyph *otfg = otf_gstring.glyphs + i; | |
2447 | Lisp_Object g0 = LGSTRING_GLYPH (lgstring, otfg->f.index.from); | |
2448 | Lisp_Object g1 = LGSTRING_GLYPH (lgstring, otfg->f.index.to); | |
2449 | ||
2450 | LGLYPH_SET_CODE (g0, otfg->glyph_id); | |
2451 | LGLYPH_SET_TO (g0, LGLYPH_TO (g1)); | |
2452 | LGSTRING_SET_GLYPH (lgstring, i, g0); | |
2453 | } | |
2454 | if (len > otf_gstring.used) | |
2455 | { | |
2456 | len = otf_gstring.used; | |
2457 | LGSTRING_SET_GLYPH (lgstring, len, Qnil); | |
2458 | } | |
2459 | } | |
de023c40 | 2460 | |
0065d054 | 2461 | if (INT_MAX / 2 < len) |
1ffd9c92 PE |
2462 | memory_full (SIZE_MAX); |
2463 | ||
de023c40 KH |
2464 | if (gstring.allocated == 0) |
2465 | { | |
de023c40 | 2466 | gstring.glyph_size = sizeof (MFLTGlyph); |
38182d90 | 2467 | gstring.glyphs = xnmalloc (len * 2, sizeof *gstring.glyphs); |
0065d054 | 2468 | gstring.allocated = len * 2; |
de023c40 KH |
2469 | } |
2470 | else if (gstring.allocated < len * 2) | |
2471 | { | |
38182d90 PE |
2472 | gstring.glyphs = xnrealloc (gstring.glyphs, len * 2, |
2473 | sizeof *gstring.glyphs); | |
de023c40 | 2474 | gstring.allocated = len * 2; |
de023c40 | 2475 | } |
38182d90 | 2476 | memset (gstring.glyphs, 0, len * sizeof *gstring.glyphs); |
de023c40 | 2477 | for (i = 0; i < len; i++) |
2b33f1ef KH |
2478 | { |
2479 | Lisp_Object g = LGSTRING_GLYPH (lgstring, i); | |
2480 | ||
2481 | gstring.glyphs[i].c = LGLYPH_CHAR (g); | |
2482 | if (with_variation_selector) | |
2483 | { | |
2484 | gstring.glyphs[i].code = LGLYPH_CODE (g); | |
2485 | gstring.glyphs[i].encoded = 1; | |
2486 | } | |
2487 | } | |
2488 | ||
de023c40 KH |
2489 | gstring.used = len; |
2490 | gstring.r2l = 0; | |
2491 | ||
2492 | { | |
2493 | Lisp_Object family = Ffont_get (LGSTRING_FONT (lgstring), QCfamily); | |
2494 | ||
2495 | if (NILP (family)) | |
2496 | flt_font_ft.flt_font.family = Mnil; | |
2497 | else | |
21988a08 | 2498 | flt_font_ft.flt_font.family |
51b59d79 | 2499 | = msymbol (SSDATA (Fdowncase (SYMBOL_NAME (family)))); |
de023c40 KH |
2500 | } |
2501 | flt_font_ft.flt_font.x_ppem = ft_face->size->metrics.x_ppem; | |
2502 | flt_font_ft.flt_font.y_ppem = ft_face->size->metrics.y_ppem; | |
2503 | flt_font_ft.flt_font.get_glyph_id = ftfont_get_glyph_id; | |
2504 | flt_font_ft.flt_font.get_metrics = ftfont_get_metrics; | |
2505 | flt_font_ft.flt_font.check_otf = ftfont_check_otf; | |
2506 | flt_font_ft.flt_font.drive_otf = ftfont_drive_otf; | |
2507 | flt_font_ft.flt_font.internal = NULL; | |
2508 | flt_font_ft.font = font; | |
2509 | flt_font_ft.ft_face = ft_face; | |
2510 | flt_font_ft.otf = otf; | |
d0db2ec8 | 2511 | flt_font_ft.matrix = matrix->xx != 0 ? matrix : 0; |
7bf1bb21 KH |
2512 | if (len > 1 |
2513 | && gstring.glyphs[1].c >= 0x300 && gstring.glyphs[1].c <= 0x36F) | |
da2cf488 KH |
2514 | /* A little bit ad hoc. Perhaps, shaper must get script and |
2515 | language information, and select a proper flt for them | |
2516 | here. */ | |
2517 | flt = mflt_get (msymbol ("combining")); | |
de023c40 KH |
2518 | for (i = 0; i < 3; i++) |
2519 | { | |
da2cf488 | 2520 | int result = mflt_run (&gstring, 0, len, &flt_font_ft.flt_font, flt); |
de023c40 KH |
2521 | if (result != -2) |
2522 | break; | |
0065d054 | 2523 | if (INT_MAX / 2 < gstring.allocated) |
1ffd9c92 | 2524 | memory_full (SIZE_MAX); |
0065d054 PE |
2525 | gstring.glyphs = xnrealloc (gstring.glyphs, |
2526 | gstring.allocated, 2 * sizeof (MFLTGlyph)); | |
2527 | gstring.allocated *= 2; | |
de023c40 | 2528 | } |
89a95b7c | 2529 | if (gstring.used > LGSTRING_GLYPH_LEN (lgstring)) |
de023c40 KH |
2530 | return Qnil; |
2531 | for (i = 0; i < gstring.used; i++) | |
2532 | { | |
2533 | MFLTGlyph *g = gstring.glyphs + i; | |
2534 | ||
2535 | g->from = LGLYPH_FROM (LGSTRING_GLYPH (lgstring, g->from)); | |
2536 | g->to = LGLYPH_TO (LGSTRING_GLYPH (lgstring, g->to)); | |
2537 | } | |
2538 | ||
2539 | for (i = 0; i < gstring.used; i++) | |
2540 | { | |
2541 | Lisp_Object lglyph = LGSTRING_GLYPH (lgstring, i); | |
2542 | MFLTGlyph *g = gstring.glyphs + i; | |
2543 | ||
4cec6061 KH |
2544 | if (NILP (lglyph)) |
2545 | { | |
2546 | lglyph = Fmake_vector (make_number (LGLYPH_SIZE), Qnil); | |
2547 | LGSTRING_SET_GLYPH (lgstring, i, lglyph); | |
2548 | } | |
de023c40 KH |
2549 | LGLYPH_SET_FROM (lglyph, g->from); |
2550 | LGLYPH_SET_TO (lglyph, g->to); | |
2551 | LGLYPH_SET_CHAR (lglyph, g->c); | |
2552 | LGLYPH_SET_CODE (lglyph, g->code); | |
2553 | LGLYPH_SET_WIDTH (lglyph, g->xadv >> 6); | |
2554 | LGLYPH_SET_LBEARING (lglyph, g->lbearing >> 6); | |
2555 | LGLYPH_SET_RBEARING (lglyph, g->rbearing >> 6); | |
2556 | LGLYPH_SET_ASCENT (lglyph, g->ascent >> 6); | |
2557 | LGLYPH_SET_DESCENT (lglyph, g->descent >> 6); | |
2558 | if (g->adjusted) | |
2559 | { | |
2560 | Lisp_Object vec; | |
2561 | ||
2562 | vec = Fmake_vector (make_number (3), Qnil); | |
2563 | ASET (vec, 0, make_number (g->xoff >> 6)); | |
2564 | ASET (vec, 1, make_number (g->yoff >> 6)); | |
2565 | ASET (vec, 2, make_number (g->xadv >> 6)); | |
2566 | LGLYPH_SET_ADJUSTMENT (lglyph, vec); | |
2567 | } | |
2568 | } | |
2569 | return make_number (i); | |
2570 | } | |
2571 | ||
2572 | Lisp_Object | |
d5a3eaaf | 2573 | ftfont_shape (Lisp_Object lgstring) |
de023c40 KH |
2574 | { |
2575 | struct font *font; | |
2576 | struct ftfont_info *ftfont_info; | |
e302a291 | 2577 | OTF *otf; |
de023c40 KH |
2578 | |
2579 | CHECK_FONT_GET_OBJECT (LGSTRING_FONT (lgstring), font); | |
2580 | ftfont_info = (struct ftfont_info *) font; | |
e302a291 KH |
2581 | otf = ftfont_get_otf (ftfont_info); |
2582 | if (! otf) | |
4cc1c806 | 2583 | return make_number (0); |
d0db2ec8 KH |
2584 | return ftfont_shape_by_flt (lgstring, font, ftfont_info->ft_size->face, otf, |
2585 | &ftfont_info->matrix); | |
de023c40 KH |
2586 | } |
2587 | ||
e3869731 KH |
2588 | #endif /* HAVE_M17N_FLT */ |
2589 | ||
2b33f1ef KH |
2590 | #ifdef HAVE_OTF_GET_VARIATION_GLYPHS |
2591 | ||
2592 | static int | |
d5a3eaaf | 2593 | ftfont_variation_glyphs (struct font *font, int c, unsigned variations[256]) |
2b33f1ef KH |
2594 | { |
2595 | struct ftfont_info *ftfont_info = (struct ftfont_info *) font; | |
2596 | OTF *otf = ftfont_get_otf (ftfont_info); | |
2597 | ||
2598 | if (! otf) | |
2599 | return 0; | |
2600 | return OTF_get_variation_glyphs (otf, c, variations); | |
2601 | } | |
2602 | ||
2603 | #endif /* HAVE_OTF_GET_VARIATION_GLYPHS */ | |
de023c40 KH |
2604 | #endif /* HAVE_LIBOTF */ |
2605 | ||
0b966021 | 2606 | Lisp_Object |
7d7ad10e | 2607 | ftfont_font_format (FcPattern *pattern, Lisp_Object filename) |
0b966021 | 2608 | { |
e907d979 | 2609 | FcChar8 *str; |
0b966021 | 2610 | |
e907d979 | 2611 | #ifdef FC_FONTFORMAT |
7d7ad10e | 2612 | if (pattern) |
719b3d63 | 2613 | { |
7d7ad10e KH |
2614 | if (FcPatternGetString (pattern, FC_FONTFORMAT, 0, &str) != FcResultMatch) |
2615 | return Qnil; | |
2616 | if (strcmp ((char *) str, "TrueType") == 0) | |
719b3d63 | 2617 | return intern ("truetype"); |
7d7ad10e | 2618 | if (strcmp ((char *) str, "Type 1") == 0) |
719b3d63 | 2619 | return intern ("type1"); |
7d7ad10e | 2620 | if (strcmp ((char *) str, "PCF") == 0) |
719b3d63 | 2621 | return intern ("pcf"); |
7d7ad10e | 2622 | if (strcmp ((char *) str, "BDF") == 0) |
719b3d63 KH |
2623 | return intern ("bdf"); |
2624 | } | |
7d7ad10e KH |
2625 | #endif /* FC_FONTFORMAT */ |
2626 | if (STRINGP (filename)) | |
2627 | { | |
2628 | int len = SBYTES (filename); | |
2629 | ||
2630 | if (len >= 4) | |
2631 | { | |
2632 | str = (FcChar8 *) (SDATA (filename) + len - 4); | |
2633 | if (xstrcasecmp ((char *) str, ".ttf") == 0) | |
2634 | return intern ("truetype"); | |
2635 | if (xstrcasecmp ((char *) str, ".pfb") == 0) | |
2636 | return intern ("type1"); | |
2637 | if (xstrcasecmp ((char *) str, ".pcf") == 0) | |
2638 | return intern ("pcf"); | |
2639 | if (xstrcasecmp ((char *) str, ".bdf") == 0) | |
2640 | return intern ("bdf"); | |
2641 | } | |
2642 | } | |
0b966021 KH |
2643 | return intern ("unknown"); |
2644 | } | |
2645 | ||
3106121c | 2646 | static const char *const ftfont_booleans [] = { |
637fa988 JD |
2647 | ":antialias", |
2648 | ":hinting", | |
2649 | ":verticallayout", | |
2650 | ":autohint", | |
2651 | ":globaladvance", | |
2652 | ":outline", | |
2653 | ":scalable", | |
2654 | ":minspace", | |
2655 | ":embolden", | |
2656 | NULL, | |
2657 | }; | |
2658 | ||
3106121c | 2659 | static const char *const ftfont_non_booleans [] = { |
637fa988 JD |
2660 | ":family", |
2661 | ":familylang", | |
2662 | ":style", | |
2663 | ":stylelang", | |
2664 | ":fullname", | |
2665 | ":fullnamelang", | |
2666 | ":slant", | |
2667 | ":weight", | |
2668 | ":size", | |
2669 | ":width", | |
2670 | ":aspect", | |
2671 | ":pixelsize", | |
2672 | ":spacing", | |
2673 | ":foundry", | |
2674 | ":hintstyle", | |
2675 | ":file", | |
2676 | ":index", | |
2677 | ":ftface", | |
2678 | ":rasterizer", | |
2679 | ":scale", | |
2680 | ":dpi", | |
2681 | ":rgba", | |
2682 | ":lcdfilter", | |
2683 | ":charset", | |
2684 | ":lang", | |
2685 | ":fontversion", | |
2686 | ":capability", | |
2687 | NULL, | |
2688 | }; | |
2689 | ||
2690 | static void | |
971de7fb | 2691 | ftfont_filter_properties (Lisp_Object font, Lisp_Object alist) |
637fa988 | 2692 | { |
9fa82824 | 2693 | font_filter_properties (font, alist, ftfont_booleans, ftfont_non_booleans); |
637fa988 JD |
2694 | } |
2695 | ||
2696 | ||
c2f5bfd6 | 2697 | void |
971de7fb | 2698 | syms_of_ftfont (void) |
c2f5bfd6 | 2699 | { |
706b6995 KH |
2700 | DEFSYM (Qfreetype, "freetype"); |
2701 | DEFSYM (Qmonospace, "monospace"); | |
2702 | DEFSYM (Qsans_serif, "sans-serif"); | |
2703 | DEFSYM (Qserif, "serif"); | |
2704 | DEFSYM (Qmono, "mono"); | |
2705 | DEFSYM (Qsans, "sans"); | |
2706 | DEFSYM (Qsans__serif, "sans serif"); | |
2707 | ||
c2f5bfd6 | 2708 | staticpro (&freetype_font_cache); |
c2801c99 | 2709 | freetype_font_cache = Fcons (Qt, Qnil); |
c2f5bfd6 | 2710 | |
706b6995 KH |
2711 | staticpro (&ftfont_generic_family_list); |
2712 | ftfont_generic_family_list | |
2713 | = Fcons (Fcons (Qmonospace, Qt), | |
2714 | Fcons (Fcons (Qsans_serif, Qt), | |
2715 | Fcons (Fcons (Qsans, Qt), Qnil))); | |
c2f5bfd6 | 2716 | |
21988a08 KH |
2717 | staticpro (&ft_face_cache); |
2718 | ft_face_cache = Qnil; | |
2719 | ||
c2f5bfd6 KH |
2720 | ftfont_driver.type = Qfreetype; |
2721 | register_font_driver (&ftfont_driver, NULL); | |
2722 | } |