1 /* ftfont.c -- FreeType font driver.
2 Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc.
3 Copyright (C) 2006, 2007, 2008
4 National Institute of Advanced Industrial Science and Technology (AIST)
5 Registration Number H13PRO009
7 This file is part of GNU Emacs.
9 GNU Emacs is free software: you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation, either version 3 of the License, or
12 (at your option) any later version.
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.
19 You should have received a copy of the GNU General Public License
20 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
25 #include <fontconfig/fontconfig.h>
26 #include <fontconfig/fcfreetype.h>
29 #include "dispextern.h"
31 #include "blockinput.h"
32 #include "character.h"
39 /* Symbolic type of this font-driver. */
40 Lisp_Object Qfreetype
;
42 /* Fontconfig's generic families and their aliases. */
43 static Lisp_Object Qmonospace
, Qsans_serif
, Qserif
, Qmono
, Qsans
, Qsans__serif
;
45 /* Flag to tell if FcInit is already called or not. */
46 static int fc_initialized
;
48 /* Handle to a FreeType library instance. */
49 static FT_Library ft_library
;
51 /* Cache for FreeType fonts. */
52 static Lisp_Object freetype_font_cache
;
54 /* Cache for FT_Face */
55 static Lisp_Object ft_face_cache
;
57 /* The actual structure for FreeType font that can be casted to struct
66 int maybe_otf
; /* Flag to tell if this may be OTF or not. */
68 #endif /* HAVE_LIBOTF */
71 static Lisp_Object ftfont_pattern_entity
P_ ((FcPattern
*, Lisp_Object
, int));
73 static Lisp_Object ftfont_resolve_generic_family
P_ ((Lisp_Object
));
74 Lisp_Object ftfont_font_format
P_ ((FcPattern
*));
76 #define SYMBOL_FcChar8(SYM) (FcChar8 *) SDATA (SYMBOL_NAME (SYM))
82 /* characters to distinguish the charset from the others */
84 /* set in syms_of_ftfont */
87 FcCharSet
*fc_charset
;
88 } fc_charset_table
[] =
89 { { "iso-8859-1", { 0x00A0, 0x00A1, 0x00B4, 0x00BC, 0x00D0 }, -1 },
90 { "iso-8859-2", { 0x00A0, 0x010E }},
91 { "iso-8859-3", { 0x00A0, 0x0108 }},
92 { "iso-8859-4", { 0x00A0, 0x00AF, 0x0128, 0x0156, 0x02C7 }},
93 { "iso-8859-5", { 0x00A0, 0x0401 }},
94 { "iso-8859-6", { 0x00A0, 0x060C }},
95 { "iso-8859-7", { 0x00A0, 0x0384 }},
96 { "iso-8859-8", { 0x00A0, 0x05D0 }},
97 { "iso-8859-9", { 0x00A0, 0x00A1, 0x00BC, 0x011E }},
98 { "iso-8859-10", { 0x00A0, 0x00D0, 0x0128, 0x2015 }},
99 { "iso-8859-11", { 0x00A0, 0x0E01 }},
100 { "iso-8859-13", { 0x00A0, 0x201C }},
101 { "iso-8859-14", { 0x00A0, 0x0174 }},
102 { "iso-8859-15", { 0x00A0, 0x00A1, 0x00D0, 0x0152 }},
103 { "iso-8859-16", { 0x00A0, 0x0218}},
104 { "chinese-gb2312", { 0x4E13 }},
105 { "big5", { 0xF6B1 }},
106 { "japanese-jisx0208", { 0x4E55 }},
107 { "korean-ksc5601", { 0xAC00 }},
108 { "chinese-cns11643-1", { 0xFE32 }},
109 { "chinese-cns11643-2", { 0x4E33, 0x7934 }},
110 { "chinese-cns11643-3", { 0x201A9 }},
111 { "chinese-cns11643-4", { 0x20057 }},
112 { "chinese-cns11643-5", { 0x20000 }},
113 { "chinese-cns11643-6", { 0x20003 }},
114 { "chinese-cns11643-7", { 0x20055 }},
115 { "chinese-gbk", { 0x4E06 }},
116 { "japanese-jisx0212", { 0x4E44 }},
117 { "japanese-jisx0213-1", { 0xFA10 }},
118 { "japanese-jisx0213-2", { 0xFA49 }},
119 { "japanese-jisx0213.2004-1", { 0x20B9F }},
120 { "viscii", { 0x1EA0, 0x1EAE, 0x1ED2 }},
121 { "tis620", { 0x0E01 }},
122 { "windows-1251", { 0x0401, 0x0490 }},
123 { "koi8-r", { 0x0401, 0x2219 }},
124 { "mule-lao", { 0x0E81 }},
128 extern Lisp_Object Qc
, Qm
, Qp
, Qd
;
131 ftfont_pattern_entity (p
, registry
, fc_charset_idx
)
133 Lisp_Object registry
;
142 if (FcPatternGetString (p
, FC_FILE
, 0, (FcChar8
**) &file
) != FcResultMatch
)
145 entity
= font_make_entity ();
147 ASET (entity
, FONT_TYPE_INDEX
, Qfreetype
);
148 ASET (entity
, FONT_REGISTRY_INDEX
, registry
);
150 if (FcPatternGetString (p
, FC_FOUNDRY
, 0, (FcChar8
**) &str
) == FcResultMatch
)
151 ASET (entity
, FONT_FOUNDRY_INDEX
, font_intern_prop (str
, strlen (str
)));
152 if (FcPatternGetString (p
, FC_FAMILY
, 0, (FcChar8
**) &str
) == FcResultMatch
)
153 ASET (entity
, FONT_FAMILY_INDEX
, font_intern_prop (str
, strlen (str
)));
154 if (FcPatternGetInteger (p
, FC_WEIGHT
, 0, &numeric
) == FcResultMatch
)
156 if (numeric
>= FC_WEIGHT_REGULAR
&& numeric
< FC_WEIGHT_MEDIUM
)
157 numeric
= FC_WEIGHT_MEDIUM
;
158 FONT_SET_STYLE (entity
, FONT_WEIGHT_INDEX
, make_number (numeric
));
160 if (FcPatternGetInteger (p
, FC_SLANT
, 0, &numeric
) == FcResultMatch
)
163 FONT_SET_STYLE (entity
, FONT_SLANT_INDEX
, make_number (numeric
));
165 if (FcPatternGetInteger (p
, FC_WIDTH
, 0, &numeric
) == FcResultMatch
)
167 FONT_SET_STYLE (entity
, FONT_WIDTH_INDEX
, make_number (numeric
));
169 if (FcPatternGetDouble (p
, FC_PIXEL_SIZE
, 0, &dbl
) == FcResultMatch
)
170 ASET (entity
, FONT_SIZE_INDEX
, make_number (dbl
));
172 ASET (entity
, FONT_SIZE_INDEX
, make_number (0));
173 if (FcPatternGetInteger (p
, FC_SPACING
, 0, &numeric
) == FcResultMatch
)
174 ASET (entity
, FONT_SPACING_INDEX
, make_number (numeric
));
175 if (FcPatternGetDouble (p
, FC_DPI
, 0, &dbl
) == FcResultMatch
)
178 ASET (entity
, FONT_DPI_INDEX
, make_number (dpi
));
180 if (FcPatternGetBool (p
, FC_SCALABLE
, 0, &b
) == FcResultMatch
182 ASET (entity
, FONT_AVGWIDTH_INDEX
, make_number (0));
184 font_put_extra (entity
, QCfont_entity
,
185 Fcons (make_unibyte_string ((char *) file
,
186 strlen ((char *) file
)),
187 make_number (fc_charset_idx
)));
192 static Lisp_Object ftfont_generic_family_list
;
195 ftfont_resolve_generic_family (family
)
199 FcPattern
*pattern
= NULL
, *match
;
202 family
= Fintern (Fdowncase (SYMBOL_NAME (family
)), Qnil
);
203 if (EQ (family
, Qmono
))
205 else if (EQ (family
, Qsans
) || EQ (family
, Qsans__serif
))
206 family
= Qsans_serif
;
207 slot
= assq_no_quit (family
, ftfont_generic_family_list
);
210 if (! EQ (XCDR (slot
), Qt
))
212 pattern
= FcPatternBuild (NULL
, FC_FAMILY
, FcTypeString
,
213 SYMBOL_FcChar8 (family
), (char *) 0);
216 FcConfigSubstitute (NULL
, pattern
, FcMatchPattern
);
217 FcDefaultSubstitute (pattern
);
218 match
= FcFontMatch (NULL
, pattern
, &result
);
223 if (FcPatternGetString (match
, FC_FAMILY
, 0, &fam
) == FcResultMatch
)
224 family
= intern ((char *) fam
);
228 XSETCDR (slot
, family
);
230 if (match
) FcPatternDestroy (match
);
231 if (pattern
) FcPatternDestroy (pattern
);
236 ftfont_lookup_cache (filename
)
237 Lisp_Object filename
;
239 Lisp_Object cache
, val
;
241 cache
= assoc_no_quit (filename
, ft_face_cache
);
244 val
= make_save_value (NULL
, 0);
245 cache
= Fcons (filename
, val
);
246 ft_face_cache
= Fcons (cache
, ft_face_cache
);
250 if (! XSAVE_VALUE (val
)->pointer
)
255 && FT_Init_FreeType (&ft_library
) != 0)
257 if (FT_New_Face (ft_library
, (char *) SDATA (filename
), 0, &ft_face
) != 0)
259 XSAVE_VALUE (val
)->pointer
= ft_face
;
264 static Lisp_Object ftfont_get_cache
P_ ((FRAME_PTR
));
265 static Lisp_Object ftfont_list
P_ ((Lisp_Object
, Lisp_Object
));
266 static Lisp_Object ftfont_match
P_ ((Lisp_Object
, Lisp_Object
));
267 static Lisp_Object ftfont_list_family
P_ ((Lisp_Object
));
268 static Lisp_Object ftfont_open
P_ ((FRAME_PTR
, Lisp_Object
, int));
269 static void ftfont_close
P_ ((FRAME_PTR
, struct font
*));
270 static int ftfont_has_char
P_ ((Lisp_Object
, int));
271 static unsigned ftfont_encode_char
P_ ((struct font
*, int));
272 static int ftfont_text_extents
P_ ((struct font
*, unsigned *, int,
273 struct font_metrics
*));
274 static int ftfont_get_bitmap
P_ ((struct font
*, unsigned,
275 struct font_bitmap
*, int));
276 static int ftfont_anchor_point
P_ ((struct font
*, unsigned, int,
278 static Lisp_Object ftfont_shape
P_ ((Lisp_Object
));
280 struct font_driver ftfont_driver
=
283 0, /* case insensitive */
291 /* We can't draw a text without device dependent functions. */
297 /* We can't draw a text without device dependent functions. */
308 #if defined (HAVE_M17N_FLT) && defined (HAVE_LIBOTF)
310 #else /* not (HAVE_M17N_FLT && HAVE_LIBOTF) */
312 #endif /* not (HAVE_M17N_FLT && HAVE_LIBOTF) */
315 extern Lisp_Object QCname
;
321 return freetype_font_cache
;
325 ftfont_get_charset (registry
)
326 Lisp_Object registry
;
328 struct charset
*encoding
;
331 if (font_registry_charsets (registry
, &encoding
, NULL
) < 0)
333 if (fc_charset_table
[0].charset_id
< 0)
334 /* Setup charset_id field of all elements. */
335 for (i
= 0; fc_charset_table
[i
].name
; i
++)
337 Lisp_Object sym
= intern (fc_charset_table
[i
].name
);
340 fc_charset_table
[i
].charset_id
= XINT (CHARSET_SYMBOL_ID (sym
));
342 fc_charset_table
[i
].charset_id
= -1;
345 for (i
= 0; fc_charset_table
[i
].name
; i
++)
346 if (encoding
->id
== fc_charset_table
[i
].charset_id
)
348 if (! fc_charset_table
[i
].name
)
350 if (! fc_charset_table
[i
].fc_charset
)
352 FcCharSet
*charset
= FcCharSetCreate ();
353 int *uniquifier
= fc_charset_table
[i
].uniquifier
;
357 for (j
= 0; uniquifier
[j
]; j
++)
358 if (! FcCharSetAddChar (charset
, uniquifier
[j
]))
360 FcCharSetDestroy (charset
);
363 fc_charset_table
[i
].fc_charset
= charset
;
371 unsigned int script_tag
, langsys_tag
;
373 unsigned int *features
[2];
376 #define OTF_SYM_TAG(SYM, TAG) \
378 unsigned char *p = SDATA (SYMBOL_NAME (SYM)); \
379 TAG = (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]; \
382 #define OTF_TAG_STR(TAG, P) \
384 (P)[0] = (char) (TAG >> 24); \
385 (P)[1] = (char) ((TAG >> 16) & 0xFF); \
386 (P)[2] = (char) ((TAG >> 8) & 0xFF); \
387 (P)[3] = (char) (TAG & 0xFF); \
391 static struct OpenTypeSpec
*
392 ftfont_get_open_type_spec (Lisp_Object otf_spec
)
394 struct OpenTypeSpec
*spec
= malloc (sizeof (struct OpenTypeSpec
));
400 spec
->script
= XCAR (otf_spec
);
401 if (! NILP (spec
->script
))
403 OTF_SYM_TAG (spec
->script
, spec
->script_tag
);
404 val
= assq_no_quit (spec
->script
, Votf_script_alist
);
405 if (CONSP (val
) && SYMBOLP (XCDR (val
)))
406 spec
->script
= XCDR (val
);
411 spec
->script_tag
= 0x44464C54; /* "DFLT" */
412 otf_spec
= XCDR (otf_spec
);
413 val
= XCAR (otf_spec
);
415 OTF_SYM_TAG (val
, spec
->langsys_tag
);
417 spec
->langsys_tag
= 0;
418 spec
->nfeatures
[0] = spec
->nfeatures
[1] = 0;
419 for (i
= 0; i
< 2; i
++)
423 otf_spec
= XCDR (otf_spec
);
426 val
= XCAR (otf_spec
);
430 spec
->features
[i
] = malloc (sizeof (int) * XINT (len
));
431 if (! spec
->features
[i
])
433 if (i
> 0 && spec
->features
[0])
434 free (spec
->features
[0]);
438 for (j
= 0, negative
= 0; CONSP (val
); val
= XCDR (val
))
440 if (NILP (XCAR (val
)))
446 OTF_SYM_TAG (XCAR (val
), tag
);
447 spec
->features
[i
][j
++] = negative
? tag
& 0x80000000 : tag
;
450 spec
->nfeatures
[i
] = j
;
455 static FcPattern
*ftfont_spec_pattern
P_ ((Lisp_Object
, int *, char *,
456 struct OpenTypeSpec
**));
459 ftfont_spec_pattern (spec
, fc_charset_idx
, otlayout
, otspec
)
463 struct OpenTypeSpec
**otspec
;
465 Lisp_Object tmp
, extra
;
466 FcPattern
*pattern
= NULL
;
467 FcCharSet
*charset
= NULL
;
468 FcLangSet
*langset
= NULL
;
472 Lisp_Object name
= Qnil
;
473 Lisp_Object script
= Qnil
;
474 Lisp_Object registry
;
476 if (! NILP (AREF (spec
, FONT_ADSTYLE_INDEX
))
477 && SBYTES (SYMBOL_NAME (AREF (spec
, FONT_ADSTYLE_INDEX
))) > 0)
478 /* Fontconfig doesn't support adstyle property. */
480 if ((n
= FONT_SLANT_NUMERIC (spec
)) >= 0
482 /* Fontconfig doesn't support reverse-italic/obligue. */
485 if (INTEGERP (AREF (spec
, FONT_DPI_INDEX
)))
486 dpi
= XINT (AREF (spec
, FONT_DPI_INDEX
));
487 if (INTEGERP (AREF (spec
, FONT_AVGWIDTH_INDEX
))
488 && XINT (AREF (spec
, FONT_AVGWIDTH_INDEX
)) == 0)
491 registry
= AREF (spec
, FONT_REGISTRY_INDEX
);
493 || EQ (registry
, Qascii_0
)
494 || EQ (registry
, Qiso10646_1
)
495 || EQ (registry
, Qunicode_bmp
)
496 || EQ (registry
, Qunicode_sip
))
497 *fc_charset_idx
= -1;
500 *fc_charset_idx
= ftfont_get_charset (registry
);
501 if (*fc_charset_idx
< 0)
503 charset
= fc_charset_table
[*fc_charset_idx
].fc_charset
;
507 for (extra
= AREF (spec
, FONT_EXTRA_INDEX
);
508 CONSP (extra
); extra
= XCDR (extra
))
510 Lisp_Object key
, val
;
512 key
= XCAR (XCAR (extra
)), val
= XCDR (XCAR (extra
));
515 else if (EQ (key
, QCfc_unknown_spec
))
517 else if (EQ (key
, QClang
))
519 langset
= FcLangSetCreate ();
524 if (! FcLangSetAdd (langset
, SYMBOL_FcChar8 (val
)))
528 for (; CONSP (val
); val
= XCDR (val
))
529 if (SYMBOLP (XCAR (val
))
530 && ! FcLangSetAdd (langset
, SYMBOL_FcChar8 (XCAR (val
))))
533 else if (EQ (key
, QCname
))
535 else if (EQ (key
, QCotf
))
537 *otspec
= ftfont_get_open_type_spec (val
);
540 strcat (otlayout
, "otlayout:");
541 OTF_TAG_STR ((*otspec
)->script_tag
, otlayout
+ 9);
542 script
= (*otspec
)->script
;
544 else if (EQ (key
, QCscript
))
546 else if (EQ (key
, QCscalable
))
547 scalable
= ! NILP (val
);
550 if (! NILP (script
) && ! charset
)
552 Lisp_Object chars
= assq_no_quit (script
, Vscript_representative_chars
);
556 charset
= FcCharSetCreate ();
559 for (chars
= XCDR (chars
); CONSP (chars
); chars
= XCDR (chars
))
560 if (CHARACTERP (XCAR (chars
))
561 && ! FcCharSetAddChar (charset
, XUINT (XCAR (chars
))))
566 pattern
= NILP (name
) ? FcPatternCreate () : FcNameParse (SDATA (name
));
569 FcPatternDel (pattern
, FC_SIZE
);
570 FcPatternDel (pattern
, FC_PIXEL_SIZE
);
571 FcPatternDel (pattern
, FC_FOUNDRY
);
572 FcPatternDel (pattern
, FC_FAMILY
);
573 tmp
= AREF (spec
, FONT_FOUNDRY_INDEX
);
575 && ! FcPatternAddString (pattern
, FC_FOUNDRY
, SYMBOL_FcChar8 (tmp
)))
577 tmp
= AREF (spec
, FONT_FAMILY_INDEX
);
579 && ! FcPatternAddString (pattern
, FC_FAMILY
, SYMBOL_FcChar8 (tmp
)))
582 && ! FcPatternAddCharSet (pattern
, FC_CHARSET
, charset
))
585 && ! FcPatternAddLangSet (pattern
, FC_LANG
, langset
))
588 && ! FcPatternAddDouble (pattern
, FC_DPI
, dpi
))
591 && ! FcPatternAddBool (pattern
, FC_SCALABLE
, scalable
? FcTrue
: FcFalse
))
596 /* We come here because of unexpected error in fontconfig API call
597 (usually insufficient memory). */
600 FcPatternDestroy (pattern
);
605 if ((*otspec
)->nfeatures
[0] > 0)
606 free ((*otspec
)->features
[0]);
607 if ((*otspec
)->nfeatures
[1] > 0)
608 free ((*otspec
)->features
[1]);
614 if (langset
) FcLangSetDestroy (langset
);
615 if (charset
&& *fc_charset_idx
< 0) FcCharSetDestroy (charset
);
620 ftfont_list (frame
, spec
)
621 Lisp_Object frame
, spec
;
623 Lisp_Object val
= Qnil
, registry
, family
;
626 FcFontSet
*fontset
= NULL
;
627 FcObjectSet
*objset
= NULL
;
629 char otlayout
[15]; /* For "otlayout:XXXX" */
630 struct OpenTypeSpec
*otspec
= NULL
;
633 if (! fc_initialized
)
639 pattern
= ftfont_spec_pattern (spec
, &fc_charset_idx
, otlayout
, &otspec
);
642 if (INTEGERP (AREF (spec
, FONT_SPACING_INDEX
)))
643 spacing
= XINT (AREF (spec
, FONT_SPACING_INDEX
));
644 registry
= AREF (spec
, FONT_REGISTRY_INDEX
);
645 family
= AREF (spec
, FONT_FAMILY_INDEX
);
648 Lisp_Object resolved
;
650 resolved
= ftfont_resolve_generic_family (family
);
651 if (! NILP (resolved
))
653 FcPatternDel (pattern
, FC_FAMILY
);
654 if (! FcPatternAddString (pattern
, FC_FAMILY
,
655 SYMBOL_FcChar8 (resolved
)))
660 objset
= FcObjectSetBuild (FC_FOUNDRY
, FC_FAMILY
, FC_WEIGHT
, FC_SLANT
,
661 FC_WIDTH
, FC_PIXEL_SIZE
, FC_SPACING
, FC_SCALABLE
,
665 #endif /* FC_CAPABILITY */
670 fontset
= FcFontList (NULL
, pattern
, objset
);
674 /* Need fix because this finds any fonts. */
675 if (fontset
->nfont
== 0 && ! NILP (family
))
677 /* Try maching with configuration. For instance, the
678 configuration may specify "Nimbus Mono L" as an alias of
680 FcPattern
*pat
= FcPatternBuild (0, FC_FAMILY
, FcTypeString
,
681 SYMBOL_FcChar8 (family
), NULL
);
684 if (FcConfigSubstitute (NULL
, pat
, FcMatchPattern
) == FcTrue
)
687 FcPatternGetString (pat
, FC_FAMILY
, i
, &fam
) == FcResultMatch
;
690 FcPatternDel (pattern
, FC_FAMILY
);
691 FcPatternAddString (pattern
, FC_FAMILY
, fam
);
692 FcFontSetDestroy (fontset
);
693 fontset
= FcFontList (NULL
, pattern
, objset
);
694 if (fontset
->nfont
> 0)
700 for (i
= 0; i
< fontset
->nfont
; i
++)
708 if ((FcPatternGetInteger (fontset
->fonts
[i
], FC_SPACING
, 0, &this)
719 if (FcPatternGetString (fontset
->fonts
[i
], FC_CAPABILITY
, 0,
720 &this) != FcResultMatch
721 || ! strstr ((char *) this, otlayout
))
724 #endif /* FC_CAPABILITY */
731 if (FcPatternGetString (fontset
->fonts
[i
], FC_FILE
, 0, &file
)
734 otf
= OTF_open ((char *) file
);
737 if (OTF_check_features (otf
, 1,
738 otspec
->script_tag
, otspec
->langsys_tag
,
740 otspec
->nfeatures
[0]) != 1
741 || OTF_check_features (otf
, 0,
742 otspec
->script_tag
, otspec
->langsys_tag
,
744 otspec
->nfeatures
[1]) != 1)
747 #endif /* HAVE_LIBOTF */
748 entity
= ftfont_pattern_entity (fontset
->fonts
[i
], registry
,
751 val
= Fcons (entity
, val
);
753 font_add_log ("ftfont-list", spec
, val
);
757 /* We come here because of unexpected error in fontconfig API call
758 (usually insufficient memory). */
762 if (objset
) FcObjectSetDestroy (objset
);
763 if (fontset
) FcFontSetDestroy (fontset
);
764 if (pattern
) FcPatternDestroy (pattern
);
769 ftfont_match (frame
, spec
)
770 Lisp_Object frame
, spec
;
773 FcPattern
*pattern
, *match
= NULL
;
775 char otlayout
[15]; /* For "otlayout:XXXX" */
776 struct OpenTypeSpec
*otspec
= NULL
;
779 if (! fc_initialized
)
785 pattern
= ftfont_spec_pattern (spec
, &fc_charset_idx
, otlayout
, &otspec
);
789 if (INTEGERP (AREF (spec
, FONT_SIZE_INDEX
)))
793 value
.type
= FcTypeDouble
;
794 value
.u
.d
= XINT (AREF (spec
, FONT_SIZE_INDEX
));
795 FcPatternAdd (pattern
, FC_PIXEL_SIZE
, value
, FcFalse
);
797 if (FcConfigSubstitute (NULL
, pattern
, FcMatchPattern
) == FcTrue
)
799 FcDefaultSubstitute (pattern
);
800 match
= FcFontMatch (NULL
, pattern
, &result
);
803 entity
= ftfont_pattern_entity (match
, Qunicode_bmp
, fc_charset_idx
);
804 FcPatternDestroy (match
);
805 if (! NILP (AREF (spec
, FONT_FAMILY_INDEX
))
806 && NILP (assq_no_quit (AREF (spec
, FONT_FAMILY_INDEX
),
807 ftfont_generic_family_list
))
808 && NILP (Fstring_equal (AREF (spec
, FONT_FAMILY_INDEX
),
809 AREF (entity
, FONT_FAMILY_INDEX
))))
813 FcPatternDestroy (pattern
);
815 font_add_log ("ftfont-match", spec
, entity
);
820 ftfont_list_family (frame
)
824 FcPattern
*pattern
= NULL
;
825 FcFontSet
*fontset
= NULL
;
826 FcObjectSet
*objset
= NULL
;
829 if (! fc_initialized
)
835 pattern
= FcPatternCreate ();
838 objset
= FcObjectSetBuild (FC_FAMILY
, NULL
);
841 fontset
= FcFontList (NULL
, pattern
, objset
);
846 for (i
= 0; i
< fontset
->nfont
; i
++)
848 FcPattern
*pat
= fontset
->fonts
[i
];
851 if (FcPatternGetString (pat
, FC_FAMILY
, 0, &str
) == FcResultMatch
)
852 list
= Fcons (intern ((char *) str
), list
);
856 if (objset
) FcObjectSetDestroy (objset
);
857 if (fontset
) FcFontSetDestroy (fontset
);
858 if (pattern
) FcPatternDestroy (pattern
);
865 ftfont_open (f
, entity
, pixel_size
)
870 struct ftfont_info
*ftfont_info
;
875 Lisp_Object val
, filename
, cache
, font_object
;
884 val
= assq_no_quit (QCfont_entity
, AREF (entity
, FONT_EXTRA_INDEX
));
888 filename
= XCAR (val
);
889 fc_charset_idx
= XINT (XCDR (val
));
890 cache
= ftfont_lookup_cache (filename
);
893 filename
= XCAR (cache
);
895 ft_face
= XSAVE_VALUE (val
)->pointer
;
896 if (XSAVE_VALUE (val
)->integer
> 0)
898 /* FT_Face in this cache is already used by the different size. */
899 if (FT_New_Size (ft_face
, &ft_size
) != 0)
901 if (FT_Activate_Size (ft_size
) != 0)
903 FT_Done_Size (ft_size
);
907 XSAVE_VALUE (val
)->integer
++;
908 size
= XINT (AREF (entity
, FONT_SIZE_INDEX
));
911 if (FT_Set_Pixel_Sizes (ft_face
, size
, size
) != 0)
913 if (XSAVE_VALUE (val
)->integer
== 0)
914 FT_Done_Face (ft_face
);
918 font_object
= font_make_object (VECSIZE (struct ftfont_info
));
919 ASET (font_object
, FONT_TYPE_INDEX
, Qfreetype
);
920 for (i
= 1;i
< FONT_ENTITY_MAX
; i
++)
921 ASET (font_object
, i
, AREF (entity
, i
));
922 ASET (font_object
, FONT_SIZE_INDEX
, make_number (size
));
923 len
= font_unparse_xlfd (entity
, size
, name
, 256);
925 ASET (font_object
, FONT_NAME_INDEX
, make_unibyte_string (name
, len
));
926 len
= font_unparse_fcname (entity
, size
, name
, 256);
928 ASET (font_object
, FONT_FULLNAME_INDEX
, make_unibyte_string (name
, len
));
930 ASET (font_object
, FONT_FULLNAME_INDEX
,
931 AREF (font_object
, FONT_NAME_INDEX
));
932 ASET (font_object
, FONT_FILE_INDEX
, filename
);
933 ASET (font_object
, FONT_FORMAT_INDEX
, ftfont_font_format (pattern
));
934 font
= XFONT_OBJECT (font_object
);
935 ftfont_info
= (struct ftfont_info
*) font
;
936 ftfont_info
->ft_size
= ft_face
->size
;
937 ftfont_info
->fc_charset_idx
= fc_charset_idx
;
939 ftfont_info
->maybe_otf
= ft_face
->face_flags
& FT_FACE_FLAG_SFNT
;
940 ftfont_info
->otf
= NULL
;
941 #endif /* HAVE_LIBOTF */
942 font
->pixel_size
= size
;
943 font
->driver
= &ftfont_driver
;
944 font
->encoding_charset
= font
->repertory_charset
= -1;
946 upEM
= ft_face
->units_per_EM
;
947 scalable
= (INTEGERP (AREF (entity
, FONT_AVGWIDTH_INDEX
))
948 && XINT (AREF (entity
, FONT_AVGWIDTH_INDEX
)) == 0);
951 font
->ascent
= ft_face
->ascender
* size
/ upEM
;
952 font
->descent
= - ft_face
->descender
* size
/ upEM
;
953 font
->height
= ft_face
->height
* size
/ upEM
;
957 font
->ascent
= ft_face
->size
->metrics
.ascender
>> 6;
958 font
->descent
= - ft_face
->size
->metrics
.descender
>> 6;
959 font
->height
= ft_face
->size
->metrics
.height
>> 6;
961 if (INTEGERP (AREF (entity
, FONT_SPACING_INDEX
)))
962 spacing
= XINT (AREF (entity
, FONT_SPACING_INDEX
));
964 spacing
= FC_PROPORTIONAL
;
965 if (spacing
!= FC_PROPORTIONAL
)
966 font
->min_width
= font
->average_width
= font
->space_width
967 = (scalable
? ft_face
->max_advance_width
* size
/ upEM
968 : ft_face
->size
->metrics
.max_advance
>> 6);
973 font
->min_width
= font
->average_width
= font
->space_width
= 0;
974 for (i
= 32, n
= 0; i
< 127; i
++)
975 if (FT_Load_Char (ft_face
, i
, FT_LOAD_DEFAULT
) != 0)
977 int this_width
= ft_face
->glyph
->metrics
.horiAdvance
>> 6;
980 && (! font
->min_width
|| font
->min_width
> this_width
))
981 font
->min_width
= this_width
;
983 font
->space_width
= this_width
;
984 font
->average_width
+= this_width
;
988 font
->average_width
/= n
;
991 font
->baseline_offset
= 0;
992 font
->relative_compose
= 0;
993 font
->default_ascent
= 0;
994 font
->vertical_centering
= 0;
997 font
->underline_position
= -ft_face
->underline_position
* size
/ upEM
;
998 font
->underline_thickness
= -ft_face
->underline_thickness
* size
/ upEM
;
1002 font
->underline_position
= -1;
1003 font
->underline_thickness
= 0;
1010 ftfont_close (f
, font
)
1014 struct ftfont_info
*ftfont_info
= (struct ftfont_info
*) font
;
1015 Lisp_Object val
, cache
;
1017 cache
= ftfont_lookup_cache (font
->props
[FONT_FILE_INDEX
]);
1019 (XSAVE_VALUE (val
)->integer
)--;
1020 if (XSAVE_VALUE (val
)->integer
== 0)
1022 FT_Face ft_face
= XSAVE_VALUE (val
)->pointer
;
1024 FT_Done_Face (ft_face
);
1026 if (ftfont_info
->otf
)
1027 OTF_close (ftfont_info
->otf
);
1029 XSAVE_VALUE (val
)->pointer
= NULL
;
1032 FT_Done_Size (ftfont_info
->ft_size
);
1036 ftfont_has_char (entity
, c
)
1042 struct charset
*charset
;
1044 val
= assq_no_quit (QCfont_entity
, AREF (entity
, FONT_EXTRA_INDEX
));
1045 fc_charset_idx
= XINT (XCDR (XCDR (val
)));
1046 if (fc_charset_idx
< 0)
1048 charset
= CHARSET_FROM_ID (fc_charset_table
[fc_charset_idx
].charset_id
);
1049 return (ENCODE_CHAR (charset
, c
) != CHARSET_INVALID_CODE (charset
));
1053 ftfont_encode_char (font
, c
)
1057 struct ftfont_info
*ftfont_info
= (struct ftfont_info
*) font
;
1058 FT_Face ft_face
= ftfont_info
->ft_size
->face
;
1059 FT_ULong charcode
= c
;
1060 FT_UInt code
= FT_Get_Char_Index (ft_face
, charcode
);
1062 return (code
> 0 ? code
: FONT_INVALID_CODE
);
1066 ftfont_text_extents (font
, code
, nglyphs
, metrics
)
1070 struct font_metrics
*metrics
;
1072 struct ftfont_info
*ftfont_info
= (struct ftfont_info
*) font
;
1073 FT_Face ft_face
= ftfont_info
->ft_size
->face
;
1077 if (ftfont_info
->ft_size
!= ft_face
->size
)
1078 FT_Activate_Size (ftfont_info
->ft_size
);
1080 bzero (metrics
, sizeof (struct font_metrics
));
1081 for (i
= 0; i
< nglyphs
; i
++)
1083 if (FT_Load_Glyph (ft_face
, code
[i
], FT_LOAD_DEFAULT
) == 0)
1085 FT_Glyph_Metrics
*m
= &ft_face
->glyph
->metrics
;
1089 if (metrics
->lbearing
> width
+ (m
->horiBearingX
>> 6))
1090 metrics
->lbearing
= width
+ (m
->horiBearingX
>> 6);
1091 if (metrics
->rbearing
1092 < width
+ ((m
->horiBearingX
+ m
->width
) >> 6))
1094 = width
+ ((m
->horiBearingX
+ m
->width
) >> 6);
1095 if (metrics
->ascent
< (m
->horiBearingY
>> 6))
1096 metrics
->ascent
= m
->horiBearingY
>> 6;
1097 if (metrics
->descent
> ((m
->horiBearingY
+ m
->height
) >> 6))
1098 metrics
->descent
= (m
->horiBearingY
+ m
->height
) >> 6;
1100 width
+= m
->horiAdvance
>> 6;
1104 width
+= font
->space_width
;
1108 metrics
->width
= width
;
1114 ftfont_get_bitmap (font
, code
, bitmap
, bits_per_pixel
)
1117 struct font_bitmap
*bitmap
;
1120 struct ftfont_info
*ftfont_info
= (struct ftfont_info
*) font
;
1121 FT_Face ft_face
= ftfont_info
->ft_size
->face
;
1122 FT_Int32 load_flags
= FT_LOAD_RENDER
;
1124 if (ftfont_info
->ft_size
!= ft_face
->size
)
1125 FT_Activate_Size (ftfont_info
->ft_size
);
1126 if (bits_per_pixel
== 1)
1128 #ifdef FT_LOAD_TARGET_MONO
1129 load_flags
|= FT_LOAD_TARGET_MONO
;
1131 load_flags
|= FT_LOAD_MONOCHROME
;
1134 else if (bits_per_pixel
!= 8)
1135 /* We don't support such a rendering. */
1138 if (FT_Load_Glyph (ft_face
, code
, load_flags
) != 0)
1140 bitmap
->bits_per_pixel
1141 = (ft_face
->glyph
->bitmap
.pixel_mode
== FT_PIXEL_MODE_MONO
? 1
1142 : ft_face
->glyph
->bitmap
.pixel_mode
== FT_PIXEL_MODE_GRAY
? 8
1143 : ft_face
->glyph
->bitmap
.pixel_mode
== FT_PIXEL_MODE_LCD
? 8
1144 : ft_face
->glyph
->bitmap
.pixel_mode
== FT_PIXEL_MODE_LCD_V
? 8
1146 if (bitmap
->bits_per_pixel
< 0)
1147 /* We don't suport that kind of pixel mode. */
1149 bitmap
->rows
= ft_face
->glyph
->bitmap
.rows
;
1150 bitmap
->width
= ft_face
->glyph
->bitmap
.width
;
1151 bitmap
->pitch
= ft_face
->glyph
->bitmap
.pitch
;
1152 bitmap
->buffer
= ft_face
->glyph
->bitmap
.buffer
;
1153 bitmap
->left
= ft_face
->glyph
->bitmap_left
;
1154 bitmap
->top
= ft_face
->glyph
->bitmap_top
;
1155 bitmap
->advance
= ft_face
->glyph
->metrics
.horiAdvance
>> 6;
1156 bitmap
->extra
= NULL
;
1162 ftfont_anchor_point (font
, code
, index
, x
, y
)
1168 struct ftfont_info
*ftfont_info
= (struct ftfont_info
*) font
;
1169 FT_Face ft_face
= ftfont_info
->ft_size
->face
;
1171 if (ftfont_info
->ft_size
!= ft_face
->size
)
1172 FT_Activate_Size (ftfont_info
->ft_size
);
1173 if (FT_Load_Glyph (ft_face
, code
, FT_LOAD_DEFAULT
) != 0)
1175 if (ft_face
->glyph
->format
!= FT_GLYPH_FORMAT_OUTLINE
)
1177 if (index
>= ft_face
->glyph
->outline
.n_points
)
1179 *x
= ft_face
->glyph
->outline
.points
[index
].x
;
1180 *y
= ft_face
->glyph
->outline
.points
[index
].y
;
1185 #ifdef HAVE_M17N_FLT
1196 ftfont_get_glyph_id (font
, gstring
, from
, to
)
1198 MFLTGlyphString
*gstring
;
1201 struct MFLTFontFT
*flt_font_ft
= (struct MFLTFontFT
*) font
;
1202 FT_Face ft_face
= flt_font_ft
->ft_face
;
1205 for (g
= gstring
->glyphs
+ from
; from
< to
; g
++, from
++)
1208 FT_UInt code
= FT_Get_Char_Index (ft_face
, g
->code
);
1210 g
->code
= code
> 0 ? code
: FONT_INVALID_CODE
;
1217 ftfont_get_metrics (font
, gstring
, from
, to
)
1219 MFLTGlyphString
*gstring
;
1222 struct MFLTFontFT
*flt_font_ft
= (struct MFLTFontFT
*) font
;
1223 FT_Face ft_face
= flt_font_ft
->ft_face
;
1226 for (g
= gstring
->glyphs
+ from
; from
< to
; g
++, from
++)
1229 if (g
->code
!= FONT_INVALID_CODE
)
1231 FT_Glyph_Metrics
*m
;
1233 if (FT_Load_Glyph (ft_face
, g
->code
, FT_LOAD_DEFAULT
) != 0)
1235 m
= &ft_face
->glyph
->metrics
;
1237 g
->lbearing
= m
->horiBearingX
;
1238 g
->rbearing
= m
->horiBearingX
+ m
->width
;
1239 g
->ascent
= m
->horiBearingY
;
1240 g
->descent
= m
->height
- m
->horiBearingY
;
1241 g
->xadv
= m
->horiAdvance
;
1246 g
->rbearing
= g
->xadv
= flt_font_ft
->font
->space_width
<< 6;
1247 g
->ascent
= flt_font_ft
->font
->ascent
<< 6;
1248 g
->descent
= flt_font_ft
->font
->descent
<< 6;
1257 ftfont_check_otf (MFLTFont
*font
, MFLTOtfSpec
*spec
)
1259 struct MFLTFontFT
*flt_font_ft
= (struct MFLTFontFT
*) font
;
1260 OTF
*otf
= flt_font_ft
->otf
;
1264 for (i
= 0; i
< 2; i
++)
1266 if (! spec
->features
[i
])
1268 for (n
= 0; spec
->features
[i
][n
]; n
++);
1269 tags
= alloca (sizeof (OTF_Tag
) * n
);
1270 for (n
= 0, negative
= 0; spec
->features
[i
][n
]; n
++)
1272 if (spec
->features
[i
][n
] == 0xFFFFFFFF)
1275 tags
[n
- 1] = spec
->features
[i
][n
] | 0x80000000;
1277 tags
[n
] = spec
->features
[i
][n
];
1279 if (n
- negative
> 0
1280 && OTF_check_features (otf
, i
== 0, spec
->script
, spec
->langsys
,
1281 tags
, n
- negative
) != 1)
1287 #define DEVICE_DELTA(table, size) \
1288 (((size) >= (table).StartSize && (size) <= (table).EndSize) \
1289 ? (table).DeltaValue[(size) - (table).StartSize] << 6 \
1293 adjust_anchor (FT_Face ft_face
, OTF_Anchor
*anchor
,
1294 unsigned code
, int x_ppem
, int y_ppem
, int *x
, int *y
)
1296 if (anchor
->AnchorFormat
== 2)
1298 FT_Outline
*outline
;
1299 int ap
= anchor
->f
.f1
.AnchorPoint
;
1301 FT_Load_Glyph (ft_face
, (FT_UInt
) code
, FT_LOAD_MONOCHROME
);
1302 outline
= &ft_face
->glyph
->outline
;
1303 if (ap
< outline
->n_points
)
1305 *x
= outline
->points
[ap
].x
<< 6;
1306 *y
= outline
->points
[ap
].y
<< 6;
1309 else if (anchor
->AnchorFormat
== 3)
1311 if (anchor
->f
.f2
.XDeviceTable
.offset
)
1312 *x
+= DEVICE_DELTA (anchor
->f
.f2
.XDeviceTable
, x_ppem
);
1313 if (anchor
->f
.f2
.YDeviceTable
.offset
)
1314 *y
+= DEVICE_DELTA (anchor
->f
.f2
.YDeviceTable
, y_ppem
);
1318 static OTF_GlyphString otf_gstring
;
1321 ftfont_drive_otf (font
, spec
, in
, from
, to
, out
, adjustment
)
1324 MFLTGlyphString
*in
;
1326 MFLTGlyphString
*out
;
1327 MFLTGlyphAdjustment
*adjustment
;
1329 struct MFLTFontFT
*flt_font_ft
= (struct MFLTFontFT
*) font
;
1330 FT_Face ft_face
= flt_font_ft
->ft_face
;
1331 OTF
*otf
= flt_font_ft
->otf
;
1332 int len
= to
- from
;
1335 char script
[5], *langsys
= NULL
;
1336 char *gsub_features
= NULL
, *gpos_features
= NULL
;
1340 OTF_tag_name (spec
->script
, script
);
1343 langsys
= alloca (5);
1344 OTF_tag_name (spec
->langsys
, langsys
);
1346 for (i
= 0; i
< 2; i
++)
1350 if (spec
->features
[i
] && spec
->features
[i
][1] != 0xFFFFFFFF)
1352 for (j
= 0; spec
->features
[i
][j
]; j
++);
1354 p
= gsub_features
= alloca (6 * j
);
1356 p
= gpos_features
= alloca (6 * j
);
1357 for (j
= 0; spec
->features
[i
][j
]; j
++)
1359 if (spec
->features
[i
][j
] == 0xFFFFFFFF)
1360 *p
++ = '*', *p
++ = ',';
1363 OTF_tag_name (spec
->features
[i
][j
], p
);
1372 if (otf_gstring
.size
== 0)
1374 otf_gstring
.glyphs
= (OTF_Glyph
*) malloc (sizeof (OTF_Glyph
) * len
);
1375 otf_gstring
.size
= len
;
1377 else if (otf_gstring
.size
< len
)
1379 otf_gstring
.glyphs
= (OTF_Glyph
*) realloc (otf_gstring
.glyphs
,
1380 sizeof (OTF_Glyph
) * len
);
1381 otf_gstring
.size
= len
;
1383 otf_gstring
.used
= len
;
1384 memset (otf_gstring
.glyphs
, 0, sizeof (OTF_Glyph
) * len
);
1385 for (i
= 0; i
< len
; i
++)
1387 otf_gstring
.glyphs
[i
].c
= in
->glyphs
[from
+ i
].c
;
1388 otf_gstring
.glyphs
[i
].glyph_id
= in
->glyphs
[from
+ i
].code
;
1391 OTF_drive_gdef (otf
, &otf_gstring
);
1396 if (OTF_drive_gsub (otf
, &otf_gstring
, script
, langsys
, gsub_features
)
1399 if (out
->allocated
< out
->used
+ otf_gstring
.used
)
1401 for (i
= 0, otfg
= otf_gstring
.glyphs
; i
< otf_gstring
.used
; )
1404 int min_from
, max_to
;
1407 g
= out
->glyphs
+ out
->used
;
1408 *g
= in
->glyphs
[from
+ otfg
->f
.index
.from
];
1409 if (g
->code
!= otfg
->glyph_id
)
1412 g
->code
= otfg
->glyph_id
;
1418 if (otfg
->f
.index
.from
< otfg
->f
.index
.to
)
1420 /* OTFG substitutes multiple glyphs in IN. */
1421 for (j
= from
+ otfg
->f
.index
.from
+ 1;
1422 j
<= from
+ otfg
->f
.index
.to
; j
++)
1424 if (min_from
> in
->glyphs
[j
].from
)
1425 min_from
= in
->glyphs
[j
].from
;
1426 if (max_to
< in
->glyphs
[j
].to
)
1427 max_to
= in
->glyphs
[j
].to
;
1432 for (i
++, otfg
++; (i
< otf_gstring
.used
1433 && otfg
->f
.index
.from
== otfg
[-1].f
.index
.from
);
1436 g
= out
->glyphs
+ out
->used
;
1437 *g
= in
->glyphs
[from
+ otfg
->f
.index
.to
];
1438 if (g
->code
!= otfg
->glyph_id
)
1441 g
->code
= otfg
->glyph_id
;
1450 if (out
->allocated
< out
->used
+ len
)
1452 for (i
= 0; i
< len
; i
++)
1453 out
->glyphs
[out
->used
++] = in
->glyphs
[from
+ i
];
1458 MFLTGlyph
*base
= NULL
, *mark
= NULL
, *g
;
1459 int x_ppem
, y_ppem
, x_scale
, y_scale
;
1461 if (OTF_drive_gpos (otf
, &otf_gstring
, script
, langsys
, gpos_features
)
1465 x_ppem
= ft_face
->size
->metrics
.x_ppem
;
1466 y_ppem
= ft_face
->size
->metrics
.y_ppem
;
1467 x_scale
= ft_face
->size
->metrics
.x_scale
;
1468 y_scale
= ft_face
->size
->metrics
.y_scale
;
1470 for (i
= 0, otfg
= otf_gstring
.glyphs
, g
= out
->glyphs
+ gidx
;
1471 i
< otf_gstring
.used
; i
++, otfg
++, g
++)
1475 if (! otfg
->glyph_id
)
1477 switch (otfg
->positioning_type
)
1481 case 1: /* Single */
1484 int format
= otfg
->f
.f1
.format
;
1486 if (format
& OTF_XPlacement
)
1488 = otfg
->f
.f1
.value
->XPlacement
* x_scale
/ 0x10000;
1489 if (format
& OTF_XPlaDevice
)
1491 += DEVICE_DELTA (otfg
->f
.f1
.value
->XPlaDevice
, x_ppem
);
1492 if (format
& OTF_YPlacement
)
1494 = - (otfg
->f
.f1
.value
->YPlacement
* y_scale
/ 0x10000);
1495 if (format
& OTF_YPlaDevice
)
1497 -= DEVICE_DELTA (otfg
->f
.f1
.value
->YPlaDevice
, y_ppem
);
1498 if (format
& OTF_XAdvance
)
1500 += otfg
->f
.f1
.value
->XAdvance
* x_scale
/ 0x10000;
1501 if (format
& OTF_XAdvDevice
)
1503 += DEVICE_DELTA (otfg
->f
.f1
.value
->XAdvDevice
, x_ppem
);
1504 if (format
& OTF_YAdvance
)
1506 += otfg
->f
.f1
.value
->YAdvance
* y_scale
/ 0x10000;
1507 if (format
& OTF_YAdvDevice
)
1509 += DEVICE_DELTA (otfg
->f
.f1
.value
->YAdvDevice
, y_ppem
);
1510 adjustment
[i
].set
= 1;
1513 case 3: /* Cursive */
1514 /* Not yet supported. */
1516 case 4: /* Mark-to-Base */
1517 case 5: /* Mark-to-Ligature */
1521 goto label_adjust_anchor
;
1522 default: /* i.e. case 6 Mark-to-Mark */
1527 label_adjust_anchor
:
1529 int base_x
, base_y
, mark_x
, mark_y
;
1530 int this_from
, this_to
;
1532 base_x
= otfg
->f
.f4
.base_anchor
->XCoordinate
* x_scale
/ 0x10000;
1533 base_y
= otfg
->f
.f4
.base_anchor
->YCoordinate
* y_scale
/ 0x10000;
1534 mark_x
= otfg
->f
.f4
.mark_anchor
->XCoordinate
* x_scale
/ 0x10000;
1535 mark_y
= otfg
->f
.f4
.mark_anchor
->YCoordinate
* y_scale
/ 0x10000;;
1537 if (otfg
->f
.f4
.base_anchor
->AnchorFormat
!= 1)
1538 adjust_anchor (ft_face
, otfg
->f
.f4
.base_anchor
,
1539 prev
->code
, x_ppem
, y_ppem
, &base_x
, &base_y
);
1540 if (otfg
->f
.f4
.mark_anchor
->AnchorFormat
!= 1)
1541 adjust_anchor (ft_face
, otfg
->f
.f4
.mark_anchor
, g
->code
,
1542 x_ppem
, y_ppem
, &mark_x
, &mark_y
);
1543 adjustment
[i
].xoff
= (base_x
- mark_x
);
1544 adjustment
[i
].yoff
= - (base_y
- mark_y
);
1545 adjustment
[i
].back
= (g
- prev
);
1546 adjustment
[i
].xadv
= 0;
1547 adjustment
[i
].advance_is_absolute
= 1;
1548 adjustment
[i
].set
= 1;
1549 this_from
= g
->from
;
1551 for (j
= 0; prev
+ j
< g
; j
++)
1553 if (this_from
> prev
[j
].from
)
1554 this_from
= prev
[j
].from
;
1555 if (this_to
< prev
[j
].to
)
1556 this_to
= prev
[j
].to
;
1558 for (; prev
<= g
; prev
++)
1560 prev
->from
= this_from
;
1565 if (otfg
->GlyphClass
== OTF_GlyphClass0
)
1567 else if (otfg
->GlyphClass
== OTF_GlyphClassMark
)
1576 if (out
->allocated
< out
->used
+ len
)
1578 font
->get_metrics (font
, in
, from
, to
);
1579 memcpy (out
->glyphs
+ out
->used
, in
->glyphs
+ from
,
1580 sizeof (MFLTGlyph
) * len
);
1585 static MFLTGlyphString gstring
;
1587 static int m17n_flt_initialized
;
1589 extern Lisp_Object QCfamily
;
1592 ftfont_shape_by_flt (lgstring
, font
, ft_face
, otf
)
1593 Lisp_Object lgstring
;
1598 EMACS_UINT len
= LGSTRING_LENGTH (lgstring
);
1600 struct MFLTFontFT flt_font_ft
;
1602 if (! m17n_flt_initialized
)
1605 m17n_flt_initialized
= 1;
1608 for (i
= 0; i
< len
; i
++)
1609 if (NILP (LGSTRING_GLYPH (lgstring
, i
)))
1613 if (gstring
.allocated
== 0)
1615 gstring
.allocated
= len
* 2;
1616 gstring
.glyph_size
= sizeof (MFLTGlyph
);
1617 gstring
.glyphs
= malloc (sizeof (MFLTGlyph
) * gstring
.allocated
);
1619 else if (gstring
.allocated
< len
* 2)
1621 gstring
.allocated
= len
* 2;
1622 gstring
.glyphs
= realloc (gstring
.glyphs
,
1623 sizeof (MFLTGlyph
) * gstring
.allocated
);
1625 for (i
= 0; i
< len
; i
++)
1626 gstring
.glyphs
[i
].c
= LGLYPH_CHAR (LGSTRING_GLYPH (lgstring
, i
));
1631 Lisp_Object family
= Ffont_get (LGSTRING_FONT (lgstring
), QCfamily
);
1634 flt_font_ft
.flt_font
.family
= Mnil
;
1636 flt_font_ft
.flt_font
.family
1637 = msymbol ((char *) SDATA (SYMBOL_NAME (family
)));
1639 flt_font_ft
.flt_font
.x_ppem
= ft_face
->size
->metrics
.x_ppem
;
1640 flt_font_ft
.flt_font
.y_ppem
= ft_face
->size
->metrics
.y_ppem
;
1641 flt_font_ft
.flt_font
.get_glyph_id
= ftfont_get_glyph_id
;
1642 flt_font_ft
.flt_font
.get_metrics
= ftfont_get_metrics
;
1643 flt_font_ft
.flt_font
.check_otf
= ftfont_check_otf
;
1644 flt_font_ft
.flt_font
.drive_otf
= ftfont_drive_otf
;
1645 flt_font_ft
.flt_font
.internal
= NULL
;
1646 flt_font_ft
.font
= font
;
1647 flt_font_ft
.ft_face
= ft_face
;
1648 flt_font_ft
.otf
= otf
;
1649 for (i
= 0; i
< 3; i
++)
1651 int result
= mflt_run (&gstring
, 0, len
, &flt_font_ft
.flt_font
, NULL
);
1654 gstring
.allocated
+= gstring
.allocated
;
1655 gstring
.glyphs
= realloc (gstring
.glyphs
,
1656 sizeof (MFLTGlyph
) * gstring
.allocated
);
1658 if (gstring
.used
> LGSTRING_LENGTH (lgstring
))
1660 for (i
= 0; i
< gstring
.used
; i
++)
1662 MFLTGlyph
*g
= gstring
.glyphs
+ i
;
1664 g
->from
= LGLYPH_FROM (LGSTRING_GLYPH (lgstring
, g
->from
));
1665 g
->to
= LGLYPH_TO (LGSTRING_GLYPH (lgstring
, g
->to
));
1668 for (i
= 0; i
< gstring
.used
; i
++)
1670 Lisp_Object lglyph
= LGSTRING_GLYPH (lgstring
, i
);
1671 MFLTGlyph
*g
= gstring
.glyphs
+ i
;
1675 lglyph
= Fmake_vector (make_number (LGLYPH_SIZE
), Qnil
);
1676 LGSTRING_SET_GLYPH (lgstring
, i
, lglyph
);
1678 LGLYPH_SET_FROM (lglyph
, g
->from
);
1679 LGLYPH_SET_TO (lglyph
, g
->to
);
1680 LGLYPH_SET_CHAR (lglyph
, g
->c
);
1681 LGLYPH_SET_CODE (lglyph
, g
->code
);
1682 LGLYPH_SET_WIDTH (lglyph
, g
->xadv
>> 6);
1683 LGLYPH_SET_LBEARING (lglyph
, g
->lbearing
>> 6);
1684 LGLYPH_SET_RBEARING (lglyph
, g
->rbearing
>> 6);
1685 LGLYPH_SET_ASCENT (lglyph
, g
->ascent
>> 6);
1686 LGLYPH_SET_DESCENT (lglyph
, g
->descent
>> 6);
1691 vec
= Fmake_vector (make_number (3), Qnil
);
1692 ASET (vec
, 0, make_number (g
->xoff
>> 6));
1693 ASET (vec
, 1, make_number (g
->yoff
>> 6));
1694 ASET (vec
, 2, make_number (g
->xadv
>> 6));
1695 LGLYPH_SET_ADJUSTMENT (lglyph
, vec
);
1698 return make_number (i
);
1702 ftfont_shape (lgstring
)
1703 Lisp_Object lgstring
;
1706 struct ftfont_info
*ftfont_info
;
1708 CHECK_FONT_GET_OBJECT (LGSTRING_FONT (lgstring
), font
);
1709 ftfont_info
= (struct ftfont_info
*) font
;
1710 if (! ftfont_info
->maybe_otf
)
1711 return make_number (0);
1712 if (! ftfont_info
->otf
)
1714 OTF
*otf
= OTF_open_ft_face (ftfont_info
->ft_size
->face
);
1716 if (! otf
|| OTF_get_table (otf
, "head") < 0)
1720 ftfont_info
->maybe_otf
= 0;
1721 return make_number (0);
1724 ftfont_info
->otf
= otf
;
1727 return ftfont_shape_by_flt (lgstring
, font
, ftfont_info
->ft_size
->face
,
1731 #endif /* HAVE_M17N_FLT */
1732 #endif /* HAVE_LIBOTF */
1735 ftfont_font_format (FcPattern
*pattern
)
1739 #ifdef FC_FONTFORMAT
1740 if (FcPatternGetString (pattern
, FC_FONTFORMAT
, 0, &str
) != FcResultMatch
)
1742 if (strcmp ((char *) str
, "TrueType") == 0)
1743 return intern ("truetype");
1744 if (strcmp ((char *) str
, "Type 1") == 0)
1745 return intern ("type1");
1746 if (strcmp ((char *) str
, "PCF") == 0)
1747 return intern ("pcf");
1748 if (strcmp ((char *) str
, "BDF") == 0)
1749 return intern ("bdf");
1750 #else /* not FC_FONTFORMAT */
1751 if (FcPatternGetString (pattern
, FC_FILE
, 0, &str
) != FcResultMatch
)
1753 len
= strlen ((char *) str
);
1757 if (xstrcasecmp ((char *) str
, ".ttf") == 0)
1758 return intern ("truetype");
1759 if (xstrcasecmp ((char *) str
, "pfb") == 0)
1760 return intern ("type1");
1761 if (xstrcasecmp ((char *) str
, "pcf") == 0)
1762 return intern ("pcf");
1763 if (xstrcasecmp ((char *) str
, "bdf") == 0)
1764 return intern ("bdf");
1766 #endif /* not FC_FONTFORMAT */
1767 return intern ("unknown");
1774 DEFSYM (Qfreetype
, "freetype");
1775 DEFSYM (Qmonospace
, "monospace");
1776 DEFSYM (Qsans_serif
, "sans-serif");
1777 DEFSYM (Qserif
, "serif");
1778 DEFSYM (Qmono
, "mono");
1779 DEFSYM (Qsans
, "sans");
1780 DEFSYM (Qsans__serif
, "sans serif");
1782 staticpro (&freetype_font_cache
);
1783 freetype_font_cache
= Fcons (Qt
, Qnil
);
1785 staticpro (&ftfont_generic_family_list
);
1786 ftfont_generic_family_list
1787 = Fcons (Fcons (Qmonospace
, Qt
),
1788 Fcons (Fcons (Qsans_serif
, Qt
),
1789 Fcons (Fcons (Qsans
, Qt
), Qnil
)));
1791 staticpro (&ft_face_cache
);
1792 ft_face_cache
= Qnil
;
1794 ftfont_driver
.type
= Qfreetype
;
1795 register_font_driver (&ftfont_driver
, NULL
);
1798 /* arch-tag: 7cfa432c-33a6-4988-83d2-a82ed8604aca
1799 (do not change this comment) */