1 /* font.c -- "Font" primitives.
2 Copyright (C) 2006 Free Software Foundation, Inc.
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 2, or (at your option)
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; see the file COPYING. If not, write to
21 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
22 Boston, MA 02110-1301, USA. */
32 #include "dispextern.h"
34 #include "character.h"
35 #include "composite.h"
43 #define xassert(X) do {if (!(X)) abort ();} while (0)
45 #define xassert(X) (void) 0
48 int enable_font_backend
;
52 /* Important character set symbols. */
53 Lisp_Object Qiso8859_1
, Qiso10646_1
, Qunicode_bmp
;
55 /* Like CHECK_FONT_SPEC but also validate properties of the font-spec,
56 and set X to the validated result. */
58 #define CHECK_VALIDATE_FONT_SPEC(x) \
60 if (! FONT_SPEC_P (x)) x = wrong_type_argument (Qfont, x); \
61 x = font_prop_validate (x); \
64 /* Number of pt per inch (from the TeXbook). */
65 #define PT_PER_INCH 72.27
67 /* Return a pixel size (integer) corresponding to POINT size (double)
68 on resolution RESY. */
69 #define POINT_TO_PIXEL(POINT, RESY) ((POINT) * (RESY) / PT_PER_INCH + 0.5)
71 /* Return a point size (double) corresponding to POINT size (integer)
72 on resolution RESY. */
73 #define PIXEL_TO_POINT(PIXEL, RESY) ((PIXEL) * PT_PER_INCH * 10 / (RESY) + 0.5)
75 /* Special string of zero length. It is used to specify a NULL name
76 in a font properties (e.g. adstyle). We don't use the symbol of
77 NULL name because it's confusing (Lisp printer prints nothing for
79 Lisp_Object null_string
;
81 /* Special vector of zero length. This is repeatedly used by (struct
82 font_driver *)->list when a specified font is not found. */
83 Lisp_Object null_vector
;
85 /* Vector of 3 elements. Each element is an alist for one of font
86 style properties (weight, slant, width). The alist contains a
87 mapping between symbolic property values (e.g. `medium' for weight)
88 and numeric property values (e.g. 100). So, it looks like this:
89 [((thin . 0) ... (heavy . 210))
90 ((ro . 0) ... (ot . 210))
91 ((ultracondensed . 50) ... (wide . 200))] */
92 static Lisp_Object font_style_table
;
94 /* Alist of font family vs the corresponding aliases.
95 Each element has this form:
96 (FAMILY ALIAS1 ALIAS2 ...) */
98 static Lisp_Object font_family_alist
;
100 /* Symbols representing keys of normal font properties. */
101 extern Lisp_Object QCtype
, QCfamily
, QCweight
, QCslant
, QCwidth
, QCsize
, QCname
;
102 Lisp_Object QCfoundry
, QCadstyle
, QCregistry
, QCextra
;
103 /* Symbols representing keys of font extra info. */
104 Lisp_Object QCspacing
, QCdpi
, QCotf
, QClanguage
, QCscript
;
106 /* List of all font drivers. All font-backends (XXXfont.c) call
107 add_font_driver in syms_of_XXXfont to register the font-driver
109 static struct font_driver_list
*font_driver_list
;
111 static Lisp_Object prop_name_to_numeric
P_ ((enum font_property_index
,
113 static Lisp_Object prop_numeric_to_name
P_ ((enum font_property_index
, int));
114 static Lisp_Object font_open_entity
P_ ((FRAME_PTR
, Lisp_Object
, int));
116 /* Number of registered font drivers. */
117 static int num_font_drivers
;
119 /* Return a pixel size of font-spec SPEC on frame F. */
121 font_pixel_size (f
, spec
)
125 Lisp_Object size
= AREF (spec
, FONT_SIZE_INDEX
);
128 Lisp_Object extra
, val
;
134 point_size
= XFLOAT_DATA (size
);
135 extra
= AREF (spec
, FONT_EXTRA_INDEX
);
136 val
= assq_no_quit (extra
, QCdpi
);
138 if (CONSP (val
) && INTEGERP (XCDR (val
)))
139 dpi
= XINT (XCDR (val
));
142 pixel_size
= POINT_TO_PIXEL (point_size
, dpi
);
146 /* Return a numeric value corresponding to PROP's NAME (symbol). If
147 NAME is not registered in font_style_table, return Qnil. PROP must
148 be one of FONT_{WEIGHT|SLANT|SWIDTH}_INDEX. */
151 prop_name_to_numeric (prop
, name
)
152 enum font_property_index prop
;
155 int table_index
= prop
- FONT_WEIGHT_INDEX
;
158 val
= assq_no_quit (name
, AREF (font_style_table
, table_index
));
159 return (NILP (val
) ? Qnil
: XCDR (val
));
163 /* Return a name (symbol) corresponding to PROP's NUMERIC value. If
164 no name is registered for NUMERIC in font_style_table, return a
165 symbol of integer name (e.g. `123'). PROP must be one of
166 FONT_{WEIGHT|SLANT|SWIDTH}_INDEX. */
169 prop_numeric_to_name (prop
, numeric
)
170 enum font_property_index prop
;
173 int table_index
= prop
- FONT_WEIGHT_INDEX
;
174 Lisp_Object table
= AREF (font_style_table
, table_index
);
177 while (! NILP (table
))
179 if (XINT (XCDR (XCAR (table
))) >= numeric
)
181 if (XINT (XCDR (XCAR (table
))) == numeric
)
182 return XCAR (XCAR (table
));
186 table
= XCDR (table
);
188 sprintf (buf
, "%d", numeric
);
193 /* Return a symbol whose name is STR (length LEN). If STR contains
194 uppercase letters, downcase them in advance. */
197 intern_downcase (str
, len
)
204 for (i
= 0; i
< len
; i
++)
205 if (isupper (str
[i
]))
208 return Fintern (make_unibyte_string (str
, len
), Qnil
);
211 return Fintern (null_string
, Qnil
);
212 bcopy (str
, buf
, len
);
214 if (isascii (buf
[i
]))
215 buf
[i
] = tolower (buf
[i
]);
216 return Fintern (make_unibyte_string (buf
, len
), Qnil
);
219 extern Lisp_Object Vface_alternative_font_family_alist
;
222 build_font_family_alist ()
224 Lisp_Object alist
= Vface_alternative_font_family_alist
;
226 for (; CONSP (alist
); alist
= XCDR (alist
))
228 Lisp_Object tail
, elt
;
230 for (tail
= XCAR (alist
), elt
= Qnil
; CONSP (tail
); tail
= XCDR (tail
))
231 elt
= nconc2 (elt
, Fcons (Fintern (XCAR (tail
), Qnil
), Qnil
));
232 font_family_alist
= Fcons (elt
, font_family_alist
);
237 /* Font property validater. */
240 font_prop_validate_type (prop
, val
)
241 enum font_property_index prop
;
244 return (SYMBOLP (val
) ? val
: Qerror
);
248 font_prop_validate_symbol (prop
, val
)
249 enum font_property_index prop
;
253 val
= (SCHARS (val
) == 0 ? null_string
254 : intern_downcase ((char *) SDATA (val
), SBYTES (val
)));
255 else if (SYMBOLP (val
))
257 if (SCHARS (SYMBOL_NAME (val
)) == 0)
266 font_prop_validate_style (prop
, val
)
267 enum font_property_index prop
;
270 if (! INTEGERP (val
))
273 val
= intern_downcase ((char *) SDATA (val
), SBYTES (val
));
278 val
= prop_name_to_numeric (prop
, val
);
287 font_prop_validate_size (prop
, val
)
288 enum font_property_index prop
;
291 return (NATNUMP (val
) || (FLOATP (val
) && XFLOAT_DATA (val
) >= 0)
296 font_prop_validate_extra (prop
, val
)
297 enum font_property_index prop
;
302 for (tail
= val
; CONSP (tail
); tail
= XCDR (tail
))
304 Lisp_Object key
= Fcar (XCAR (tail
)), this_val
= Fcdr (XCAR (tail
));
308 if (EQ (key
, QClanguage
))
309 if (! SYMBOLP (this_val
))
311 for (; CONSP (this_val
); this_val
= XCDR (this_val
))
312 if (! SYMBOLP (XCAR (this_val
)))
314 if (! NILP (this_val
))
318 if (! STRINGP (this_val
))
321 return (NILP (tail
) ? val
: Qerror
);
328 Lisp_Object (*validater
) P_ ((enum font_property_index prop
,
330 } font_property_table
[FONT_SPEC_MAX
] =
331 { { &QCtype
, font_prop_validate_type
},
332 { &QCfoundry
, font_prop_validate_symbol
},
333 { &QCfamily
, font_prop_validate_symbol
},
334 { &QCadstyle
, font_prop_validate_symbol
},
335 { &QCregistry
, font_prop_validate_symbol
},
336 { &QCweight
, font_prop_validate_style
},
337 { &QCslant
, font_prop_validate_style
},
338 { &QCwidth
, font_prop_validate_style
},
339 { &QCsize
, font_prop_validate_size
},
340 { &QCextra
, font_prop_validate_extra
}
343 static enum font_property_index
344 check_font_prop_name (key
)
347 enum font_property_index i
;
349 for (i
= FONT_TYPE_INDEX
; i
< FONT_SPEC_MAX
; i
++)
350 if (EQ (key
, *font_property_table
[i
].key
))
356 font_prop_validate (spec
)
359 enum font_property_index i
;
362 for (i
= FONT_TYPE_INDEX
; i
<= FONT_EXTRA_INDEX
; i
++)
364 if (! NILP (AREF (spec
, i
)))
366 val
= (font_property_table
[i
].validater
) (i
, AREF (spec
, i
));
367 if (EQ (val
, Qerror
))
368 Fsignal (Qerror
, list3 (build_string ("invalid font property"),
369 *font_property_table
[i
].key
,
378 font_put_extra (font
, prop
, val
, force
)
379 Lisp_Object font
, prop
, val
;
382 Lisp_Object extra
= AREF (font
, FONT_EXTRA_INDEX
);
383 Lisp_Object slot
= (NILP (extra
) ? Qnil
: Fassq (prop
, extra
));
387 extra
= Fcons (Fcons (prop
, val
), extra
);
388 ASET (font
, FONT_EXTRA_INDEX
, extra
);
391 if (! NILP (XCDR (slot
)) && ! force
)
398 /* Font name parser and unparser */
400 /* An enumerator for each field of an XLFD font name. */
402 enum xlfd_field_index
423 XLFD_FOUNDRY_MASK
= 0x0001,
424 XLFD_FAMILY_MASK
= 0x0002,
425 XLFD_WEIGHT_MASK
= 0x0004,
426 XLFD_SLANT_MASK
= 0x0008,
427 XLFD_SWIDTH_MASK
= 0x0010,
428 XLFD_ADSTYLE_MASK
= 0x0020,
429 XLFD_PIXEL_MASK
= 0x0040,
430 XLFD_POINT_MASK
= 0x0080,
431 XLFD_RESX_MASK
= 0x0100,
432 XLFD_RESY_MASK
= 0x0200,
433 XLFD_SPACING_MASK
= 0x0400,
434 XLFD_AVGWIDTH_MASK
= 0x0800,
435 XLFD_REGISTRY_MASK
= 0x1000,
436 XLFD_ENCODING_MASK
= 0x2000
440 /* Return a Lispy value for string at STR and bytes LEN.
441 If LEN == 0, return a null string.
442 If the string is "*", return Qnil.
443 It is assured that LEN < 256. */
446 intern_font_field (str
, len
)
454 if (*str
== '*' && len
== 1)
458 for (i
= 1; i
< len
; i
++)
459 if (! isdigit (str
[i
]))
462 return make_number (atoi (str
));
464 return intern_downcase (str
, len
);
467 /* Parse P pointing the pixel/point size field of the form
468 `[A B C D]' which specifies a transformation matrix:
474 by which all glyphs of the font are transformed. The spec says
475 that scalar value N for the pixel/point size is equivalent to:
476 A = N * resx/resy, B = C = 0, D = N.
478 Return the scalar value N if the form is valid. Otherwise return
489 for (i
= 0, p
++; i
< 4 && *p
&& *p
!= ']'; i
++)
492 matrix
[i
] = - strtod (p
+ 1, &end
);
494 matrix
[i
] = strtod (p
, &end
);
497 return (i
== 4 ? (int) matrix
[3] : -1);
500 /* Expand a wildcard field in FIELD (the first N fields are filled) to
501 multiple fields to fill in all 14 XLFD fields while restring a
502 field position by its contents. */
505 font_expand_wildcards (field
, n
)
506 Lisp_Object field
[XLFD_LAST_INDEX
];
510 Lisp_Object tmp
[XLFD_LAST_INDEX
];
511 /* Array of information about where this element can go. Nth
512 element is for Nth element of FIELD. */
514 /* Minimum possible field. */
516 /* Maxinum possible field. */
518 /* Bit mask of possible field. Nth bit corresponds to Nth field. */
520 } range
[XLFD_LAST_INDEX
];
524 #define XLFD_SYMBOL_MASK (XLFD_FOUNDRY_MASK | XLFD_FAMILY_MASK \
525 | XLFD_ADSTYLE_MASK | XLFD_REGISTRY_MASK)
526 #define XLFD_NULL_MASK (XLFD_FOUNDRY_MASK | XLFD_ADSTYLE_MASK)
527 #define XLFD_LARGENUM_MASK (XLFD_POINT_MASK | XLFD_RESX_MASK | XLFD_RESY_MASK \
528 | XLFD_AVGWIDTH_MASK)
529 #define XLFD_REGENC_MASK (XLFD_REGISTRY_MASK | XLFD_ENCODING_MASK)
531 /* Initialize RANGE_MASK for FIELD[0] which can be 0th to (14 - N)th
532 field. The value is shifted to left one bit by one in the
534 for (i
= 0, range_mask
= 0; i
<= 14 - n
; i
++)
535 range_mask
= (range_mask
<< 1) | 1;
537 for (i
= 0; i
< n
; i
++, range_mask
<<= 1)
539 /* The triplet RANGE_FROM, RANGE_TO, and RANGE_MASK is a
540 position-based retriction for FIELD[I]. */
541 int range_from
= i
, range_to
= 14 - n
+ i
;
542 Lisp_Object val
= field
[i
];
548 range
[i
].from
= range_from
;
549 range
[i
].to
= range_to
;
550 range
[i
].mask
= range_mask
;
554 /* The triplet FROM, TO, and MASK is a value-based
555 retriction for FIELD[I]. */
561 int numeric
= XINT (val
);
564 from
= to
= XLFD_ENCODING_INDEX
,
565 mask
= XLFD_ENCODING_MASK
;
566 else if (numeric
<= 48)
567 from
= to
= XLFD_PIXEL_INDEX
,
568 mask
= XLFD_PIXEL_MASK
;
570 from
= XLFD_POINT_INDEX
, to
= XLFD_AVGWIDTH_MASK
,
571 mask
= XLFD_LARGENUM_MASK
;
573 else if (EQ (val
, null_string
))
574 from
= XLFD_FOUNDRY_INDEX
, to
= XLFD_ADSTYLE_INDEX
,
575 mask
= XLFD_NULL_MASK
;
577 from
= to
= XLFD_FOUNDRY_INDEX
, mask
= XLFD_FOUNDRY_MASK
;
580 Lisp_Object name
= SYMBOL_NAME (val
);
582 if (SDATA (name
)[SBYTES (name
) - 1] == '*')
583 from
= XLFD_REGISTRY_INDEX
, to
= XLFD_ENCODING_INDEX
,
584 mask
= XLFD_REGENC_MASK
;
586 from
= to
= XLFD_ENCODING_INDEX
,
587 mask
= XLFD_ENCODING_MASK
;
589 else if (range_from
<= XLFD_WEIGHT_INDEX
590 && range_to
>= XLFD_WEIGHT_INDEX
591 && !NILP (prop_name_to_numeric (FONT_WEIGHT_INDEX
, val
)))
592 from
= to
= XLFD_WEIGHT_INDEX
, mask
= XLFD_WEIGHT_MASK
;
593 else if (range_from
<= XLFD_SLANT_INDEX
594 && range_to
>= XLFD_SLANT_INDEX
595 && !NILP (prop_name_to_numeric (FONT_SLANT_INDEX
, val
)))
596 from
= to
= XLFD_SLANT_INDEX
, mask
= XLFD_SLANT_MASK
;
597 else if (range_from
<= XLFD_SWIDTH_INDEX
598 && range_to
>= XLFD_SWIDTH_INDEX
599 && !NILP (prop_name_to_numeric (FONT_WIDTH_INDEX
, val
)))
600 from
= to
= XLFD_SWIDTH_INDEX
, mask
= XLFD_SWIDTH_MASK
;
603 Lisp_Object name
= SYMBOL_NAME (val
);
605 if (SBYTES (name
) == 1
606 && (SDATA (name
)[0] == 'c'
607 || SDATA (name
)[0] == 'm'
608 || SDATA (name
)[0] == 'p'))
609 from
= to
= XLFD_SPACING_INDEX
, mask
= XLFD_SPACING_MASK
;
611 from
= XLFD_FOUNDRY_INDEX
, to
= XLFD_ENCODING_INDEX
,
612 mask
= XLFD_SYMBOL_MASK
;
615 /* Merge position-based and value-based restrictions. */
617 while (from
< range_from
)
618 mask
&= ~(1 << from
++);
619 while (from
< 14 && ! (mask
& (1 << from
)))
621 while (to
> range_to
)
622 mask
&= ~(1 << to
--);
623 while (to
>= 0 && ! (mask
& (1 << to
)))
627 range
[i
].from
= from
;
629 range
[i
].mask
= mask
;
631 if (from
> range_from
|| to
< range_to
)
632 /* The range is narrowed by value-based restrictions.
633 Reflect it to the previous fields. */
634 for (j
= i
- 1, from
--, to
--; j
>= 0; j
--, from
--, to
--)
636 /* Check FROM for non-wildcard field. */
637 if (! NILP (tmp
[j
]) && range
[j
].from
< from
)
639 while (range
[j
].from
< from
)
640 range
[j
].mask
&= ~(1 << range
[j
].from
++);
641 while (from
< 14 && ! (range
[j
].mask
& (1 << from
)))
643 range
[j
].from
= from
;
646 from
= range
[j
].from
;
647 if (range
[j
].to
> to
)
649 while (range
[j
].to
> to
)
650 range
[j
].mask
&= ~(1 << range
[j
].to
--);
651 while (to
>= 0 && ! (range
[j
].mask
& (1 << to
)))
663 /* Decide all fileds from restrictions in RANGE. */
664 for (i
= j
= 0; i
< n
; i
++)
666 if (j
< range
[i
].from
)
668 if (i
== 0 || ! NILP (tmp
[i
- 1]))
669 /* None of TMP[X] corresponds to Jth field. */
671 for (; j
< range
[i
].from
; j
++)
676 if (! NILP (tmp
[n
- 1]) && j
< XLFD_REGISTRY_INDEX
)
678 for (; j
< XLFD_LAST_INDEX
; j
++)
680 if (INTEGERP (field
[XLFD_ENCODING_INDEX
]))
681 field
[XLFD_ENCODING_INDEX
]
682 = Fintern (Fnumber_to_string (field
[XLFD_ENCODING_INDEX
]), Qnil
);
686 /* Parse NAME (null terminated) as XLFD and store information in FONT
687 (font-spec or font-entity). Size property of FONT is set as
689 specified XLFD fields FONT property
690 --------------------- -------------
691 PIXEL_SIZE PIXEL_SIZE (Lisp integer)
692 POINT_SIZE and RESY calculated pixel size (Lisp integer)
693 POINT_SIZE POINT_SIZE/10 (Lisp float)
695 If NAME is successfully parsed, return 2 (size is specified), 1
696 (size is not specified), or 0 (size is not specified but resolution
697 is specified). Otherwise return -1.
699 See font_parse_name for more detail. */
702 font_parse_xlfd (name
, font
, merge
)
707 int len
= strlen (name
);
709 int pixel_size
, resy
, avgwidth
;
711 Lisp_Object f
[XLFD_LAST_INDEX
];
716 /* Maximum XLFD name length is 255. */
718 i
= (name
[0] == '*' && name
[1] == '-');
719 for (p
= name
+ 1; *p
; p
++)
724 if (i
== XLFD_ENCODING_INDEX
)
729 pixel_size
= resy
= avgwidth
= -1;
732 if (i
== XLFD_ENCODING_INDEX
)
734 /* Fully specified XLFD. */
737 for (i
= 0, p
= name
; ; p
++)
741 if (i
< XLFD_PIXEL_INDEX
)
742 f
[i
++] = intern_font_field (name
, p
- name
);
743 else if (i
== XLFD_PIXEL_INDEX
)
746 pixel_size
= atoi (name
);
747 else if (*name
== '[')
748 pixel_size
= parse_matrix (name
);
751 else if (i
== XLFD_POINT_INDEX
)
753 /* If PIXEL_SIZE is specified, we don't have to
754 calculate POINT_SIZE. */
758 point_size
= atoi (name
);
759 else if (*name
== '[')
760 point_size
= parse_matrix (name
);
764 else if (i
== XLFD_RESX_INDEX
)
766 /* Skip this field. */
769 else if (i
== XLFD_RESY_INDEX
)
771 /* Stuff RESY, SPACING, and AVGWIDTH. */
772 /* If PIXEL_SIZE is specified, we don't have to
774 if (pixel_size
< 0 && isdigit (*name
))
776 for (p
++; *p
!= '-'; p
++);
778 avgwidth
= atoi (p
+ 1);
779 else if (p
[1] == '~' && isdigit (p
[2]))
780 avgwidth
= atoi (p
+ 2);
781 for (p
++; *p
!= '-'; p
++);
782 if (FONT_ENTITY_P (font
))
783 f
[i
] = intern_font_field (name
, p
- name
);
786 i
= XLFD_REGISTRY_INDEX
;
790 /* Stuff REGISTRY and ENCODING. */
792 f
[i
++] = intern_font_field (name
, p
- name
);
798 xassert (i
== XLFD_ENCODING_INDEX
);
802 int wild_card_found
= 0;
806 for (i
= 0, p
= name
; ; p
++)
808 if (*p
== '-' || ! *p
)
817 else if (isdigit (*name
))
819 f
[i
++] = make_number (atoi (name
));
820 /* Check if all chars in this field is number. */
822 while (isdigit (*name
)) name
++;
827 f
[i
++] = null_string
;
830 f
[i
++] = intern_downcase (name
, p
- name
);
837 if (! wild_card_found
)
839 if (font_expand_wildcards (f
, i
) < 0)
841 if (! NILP (f
[XLFD_PIXEL_INDEX
]))
842 pixel_size
= XINT (f
[XLFD_PIXEL_INDEX
]);
843 /* If PIXEL_SIZE is specified, we don't have to
844 calculate POINT_SIZE and RESY. */
847 if (! NILP (f
[XLFD_POINT_INDEX
]))
848 point_size
= XINT (f
[XLFD_POINT_INDEX
]);
849 if (! NILP (f
[XLFD_RESY_INDEX
]))
850 resy
= XINT (f
[XLFD_RESY_INDEX
]);
852 if (! NILP (f
[XLFD_AVGWIDTH_INDEX
]))
853 avgwidth
= XINT (f
[XLFD_AVGWIDTH_INDEX
]);
854 if (NILP (f
[XLFD_REGISTRY_INDEX
]))
856 if (! NILP (f
[XLFD_ENCODING_INDEX
]))
857 f
[XLFD_REGISTRY_INDEX
]
858 = Fintern (concat2 (build_string ("*-"),
859 SYMBOL_NAME (f
[XLFD_ENCODING_INDEX
])), Qnil
);
863 if (! NILP (f
[XLFD_ENCODING_INDEX
]))
864 f
[XLFD_REGISTRY_INDEX
]
865 = Fintern (concat2 (SYMBOL_NAME (f
[XLFD_REGISTRY_INDEX
]),
866 SYMBOL_NAME (f
[XLFD_ENCODING_INDEX
])), Qnil
);
870 if (! merge
|| NILP (AREF (font
, FONT_FOUNDRY_INDEX
)))
871 ASET (font
, FONT_FOUNDRY_INDEX
, f
[XLFD_FOUNDRY_INDEX
]);
872 if (! merge
|| NILP (AREF (font
, FONT_FAMILY_INDEX
)))
873 ASET (font
, FONT_FAMILY_INDEX
, f
[XLFD_FAMILY_INDEX
]);
874 if (! merge
|| NILP (AREF (font
, FONT_ADSTYLE_INDEX
)))
875 ASET (font
, FONT_ADSTYLE_INDEX
, f
[XLFD_ADSTYLE_INDEX
]);
876 if (! merge
|| NILP (AREF (font
, FONT_REGISTRY_INDEX
)))
877 ASET (font
, FONT_REGISTRY_INDEX
, f
[XLFD_REGISTRY_INDEX
]);
879 for (i
= FONT_WEIGHT_INDEX
, j
= XLFD_WEIGHT_INDEX
;
880 j
<= XLFD_SWIDTH_INDEX
; i
++, j
++)
881 if (! merge
|| NILP (AREF (font
, i
)))
883 if (! INTEGERP (f
[j
]))
885 val
= prop_name_to_numeric (i
, f
[j
]);
889 ASET (font
, i
, f
[j
]);
892 if (pixel_size
< 0 && FONT_ENTITY_P (font
))
895 if (! merge
|| NILP (AREF (font
, FONT_SIZE_INDEX
)))
898 ASET (font
, FONT_SIZE_INDEX
, make_number (pixel_size
));
899 else if (point_size
>= 0)
900 ASET (font
, FONT_SIZE_INDEX
, make_float (point_size
/ 10));
903 if (FONT_ENTITY_P (font
))
905 if (EQ (AREF (font
, FONT_TYPE_INDEX
), Qx
))
906 ASET (font
, FONT_EXTRA_INDEX
, f
[XLFD_RESY_INDEX
]);
909 font_put_extra (font
, QCdpi
, make_number (resy
), merge
);
911 return (avgwidth
> 0 ? 2 : resy
== 0);
914 /* Store XLFD name of FONT (font-spec or font-entity) in NAME (NBYTES
915 length), and return the name length. If FONT_SIZE_INDEX of FONT is
916 0, use PIXEL_SIZE instead. */
919 font_unparse_xlfd (font
, pixel_size
, name
, nbytes
)
925 char *f
[XLFD_REGISTRY_INDEX
+ 1], *pixel_point
;
930 xassert (FONTP (font
));
932 for (i
= FONT_FOUNDRY_INDEX
, j
= XLFD_FOUNDRY_INDEX
; i
<= FONT_REGISTRY_INDEX
;
935 if (i
== FONT_ADSTYLE_INDEX
)
936 j
= XLFD_ADSTYLE_INDEX
;
937 else if (i
== FONT_REGISTRY_INDEX
)
938 j
= XLFD_REGISTRY_INDEX
;
939 val
= AREF (font
, i
);
942 if (j
== XLFD_REGISTRY_INDEX
)
943 f
[j
] = "*-*", len
+= 4;
945 f
[j
] = "*", len
+= 2;
950 val
= SYMBOL_NAME (val
);
951 if (j
== XLFD_REGISTRY_INDEX
952 && ! strchr ((char *) SDATA (val
), '-'))
954 /* Change "jisx0208*" and "jisx0208" to "jisx0208*-*". */
955 if (SDATA (val
)[SBYTES (val
) - 1] == '*')
957 f
[j
] = alloca (SBYTES (val
) + 3);
958 sprintf (f
[j
], "%s-*", SDATA (val
));
959 len
+= SBYTES (val
) + 3;
963 f
[j
] = alloca (SBYTES (val
) + 4);
964 sprintf (f
[j
], "%s*-*", SDATA (val
));
965 len
+= SBYTES (val
) + 4;
969 f
[j
] = (char *) SDATA (val
), len
+= SBYTES (val
) + 1;
973 for (i
= FONT_WEIGHT_INDEX
, j
= XLFD_WEIGHT_INDEX
; i
<= FONT_WIDTH_INDEX
;
976 val
= AREF (font
, i
);
978 f
[j
] = "*", len
+= 2;
982 val
= prop_numeric_to_name (i
, XINT (val
));
984 val
= SYMBOL_NAME (val
);
985 xassert (STRINGP (val
));
986 f
[j
] = (char *) SDATA (val
), len
+= SBYTES (val
) + 1;
990 val
= AREF (font
, FONT_SIZE_INDEX
);
991 xassert (NUMBERP (val
) || NILP (val
));
996 len
+= sprintf (work
, "%d-*", i
) + 1;
998 len
+= sprintf (work
, "%d-*", pixel_size
) + 1;
1001 else if (FLOATP (val
))
1003 i
= XFLOAT_DATA (val
) * 10;
1004 len
+= sprintf (work
, "*-%d", i
) + 1;
1008 pixel_point
= "*-*", len
+= 4;
1010 if (FONT_ENTITY_P (font
)
1011 && EQ (AREF (font
, FONT_TYPE_INDEX
), Qx
))
1013 /* Setup names for RESY-SPACING-AVWIDTH. */
1014 val
= AREF (font
, FONT_EXTRA_INDEX
);
1015 if (SYMBOLP (val
) && ! NILP (val
))
1017 val
= SYMBOL_NAME (val
);
1018 f
[XLFD_RESY_INDEX
] = (char *) SDATA (val
), len
+= SBYTES (val
) + 1;
1021 f
[XLFD_RESY_INDEX
] = "*-*-*", len
+= 6;
1024 f
[XLFD_RESY_INDEX
] = "*-*-*", len
+= 6;
1026 len
+= 3; /* for "-*" of resx, and terminating '\0'. */
1029 return sprintf (name
, "-%s-%s-%s-%s-%s-%s-%s-*-%s-%s",
1030 f
[XLFD_FOUNDRY_INDEX
], f
[XLFD_FAMILY_INDEX
],
1031 f
[XLFD_WEIGHT_INDEX
], f
[XLFD_SLANT_INDEX
],
1032 f
[XLFD_SWIDTH_INDEX
],
1033 f
[XLFD_ADSTYLE_INDEX
], pixel_point
,
1034 f
[XLFD_RESY_INDEX
], f
[XLFD_REGISTRY_INDEX
]);
1037 /* Parse NAME (null terminated) as Fonconfig's name format and store
1038 information in FONT (font-spec or font-entity). If NAME is
1039 successfully parsed, return 0. Otherwise return -1. */
1042 font_parse_fcname (name
, font
, merge
)
1048 Lisp_Object family
= Qnil
;
1049 double point_size
= 0;
1051 Lisp_Object extra
= AREF (font
, FONT_EXTRA_INDEX
);
1052 int len
= strlen (name
);
1055 /* It is assured that (name[0] && name[0] != '-'). */
1060 for (p0
= name
+ 1; *p0
&& (*p0
!= '-' && *p0
!= ':'); p0
++);
1061 if (isdigit (name
[0]) && *p0
!= '-')
1062 point_size
= strtod (name
, NULL
);
1065 family
= intern_font_field (name
, p0
- name
);
1068 point_size
= strtod (p0
+ 1, &p1
);
1069 if (*p1
&& *p1
!= ':')
1074 if (! merge
|| NILP (AREF (font
, FONT_FAMILY_INDEX
)))
1075 ASET (font
, FONT_FAMILY_INDEX
, family
);
1079 copy
= alloca (len
+ 1);
1084 /* Now parse ":KEY=VAL" patterns. Store known keys and values in
1085 extra, copy unknown ones to COPY. */
1088 Lisp_Object key
, val
;
1089 enum font_property_index prop
;
1091 for (p1
= p0
+ 1; islower (*p1
); p1
++);
1094 /* Must be an enumerated value. */
1095 val
= intern_font_field (p0
+ 1, p1
- p0
- 1);
1097 if (memcmp (p0
+ 1, "light", 5) == 0
1098 || memcmp (p0
+ 1, "medium", 6) == 0
1099 || memcmp (p0
+ 1, "demibold", 8) == 0
1100 || memcmp (p0
+ 1, "bold", 4) == 0
1101 || memcmp (p0
+ 1, "black", 5) == 0)
1103 if (! merge
|| NILP (AREF (font
, FONT_WEIGHT_INDEX
)))
1104 ASET (font
, FONT_WEIGHT_INDEX
,
1105 prop_name_to_numeric (FONT_WEIGHT_INDEX
, val
));
1107 else if (memcmp (p0
+ 1, "roman", 5) == 0
1108 || memcmp (p0
+ 1, "italic", 6) == 0
1109 || memcmp (p0
+ 1, "oblique", 7) == 0)
1111 if (! merge
|| NILP (AREF (font
, FONT_SLANT_INDEX
)))
1112 ASET (font
, FONT_SLANT_INDEX
,
1113 prop_name_to_numeric (FONT_SLANT_INDEX
, val
));
1115 else if (memcmp (p0
+ 1, "charcell", 8) == 0
1116 || memcmp (p0
+ 1, "mono", 4) == 0
1117 || memcmp (p0
+ 1, "proportional", 12) == 0)
1119 font_put_extra (font
, QCspacing
,
1120 p0
[1] == 'c' ? make_number (FONT_SPACING_CHARCELL
)
1121 : p0
[1] == 'm' ? make_number (FONT_SPACING_MONO
)
1122 : make_number (FONT_SPACING_PROPORTIONAL
),
1128 bcopy (p0
, copy
, p1
- p0
);
1136 if (memcmp (p0
+ 1, "pixelsize=", 10) == 0)
1137 prop
= FONT_SIZE_INDEX
;
1140 key
= intern_font_field (p0
, p1
- p0
);
1141 prop
= check_font_prop_name (key
);
1144 for (p1
= p0
; *p1
&& *p1
!= ':'; p1
++);
1145 if (prop
== FONT_SIZE_INDEX
)
1147 pixel_size
= atoi (p0
);
1149 else if (prop
< FONT_EXTRA_INDEX
)
1151 if (! merge
|| NILP (AREF (font
, prop
)))
1153 val
= intern_font_field (p0
, p1
- p0
);
1154 if (prop
>= FONT_WEIGHT_INDEX
&& prop
<= FONT_WIDTH_INDEX
)
1155 val
= font_property_table
[prop
].validater (prop
, val
);
1156 if (! EQ (val
, Qerror
))
1157 ASET (font
, prop
, val
);
1160 else if (EQ (key
, QCdpi
))
1163 font_put_extra (font
, key
, val
, merge
);
1168 bcopy (pbeg
, copy
, p1
- pbeg
);
1175 if (! merge
|| NILP (AREF (font
, FONT_SIZE_INDEX
)))
1178 ASET (font
, FONT_SIZE_INDEX
, make_number (pixel_size
));
1179 else if (point_size
> 0)
1180 ASET (font
, FONT_SIZE_INDEX
, make_float (point_size
));
1183 font_put_extra (font
, QCname
, make_unibyte_string (name
, copy
- name
),
1189 /* Store fontconfig's font name of FONT (font-spec or font-entity) in
1190 NAME (NBYTES length), and return the name length. If
1191 FONT_SIZE_INDEX of FONT is 0, use PIXEL_SIZE instead. */
1194 font_unparse_fcname (font
, pixel_size
, name
, nbytes
)
1200 Lisp_Object val
, size
;
1204 Lisp_Object styles
[3];
1205 char *style_names
[3] = { "weight", "slant", "swidth" };
1207 if (SYMBOLP (AREF (font
, FONT_FAMILY_INDEX
))
1208 && ! NILP (AREF (font
, FONT_FAMILY_INDEX
)))
1209 len
+= SBYTES (SYMBOL_NAME (AREF (font
, FONT_FAMILY_INDEX
)));
1210 size
= AREF (font
, FONT_SIZE_INDEX
);
1211 if (INTEGERP (size
))
1213 if (XINT (size
) > 0)
1214 pixel_size
= XINT (size
);
1216 len
+= 21; /* for ":pixelsize=NUM" */
1218 else if (FLOATP (size
))
1220 pt
= (int) XFLOAT_DATA (size
);
1222 len
+= 11; /* for "-NUM" */
1224 if (SYMBOLP (AREF (font
, FONT_FOUNDRY_INDEX
))
1225 && ! NILP (AREF (font
, FONT_FOUNDRY_INDEX
)))
1226 /* ":foundry=NAME" */
1227 len
+= 9 + SBYTES (SYMBOL_NAME (AREF (font
, FONT_FOUNDRY_INDEX
)));
1228 for (i
= FONT_WEIGHT_INDEX
; i
<= FONT_WIDTH_INDEX
; i
++)
1230 val
= AREF (font
, i
);
1233 val
= prop_numeric_to_name (i
, XINT (val
));
1234 len
+= (strlen (style_names
[i
- FONT_WEIGHT_INDEX
])
1235 + 2 + SBYTES (SYMBOL_NAME (val
))); /* :xxx=NAME */
1237 styles
[i
- FONT_WEIGHT_INDEX
] = val
;
1242 if (! NILP (AREF (font
, FONT_FAMILY_INDEX
)))
1243 p
+= sprintf(p
, "%s",
1244 SDATA (SYMBOL_NAME (AREF (font
, FONT_FAMILY_INDEX
))));
1246 p
+= sprintf (p
, "-%d", pt
);
1247 else if (pixel_size
> 0)
1248 p
+= sprintf (p
, ":pixelsize=%d", pixel_size
);
1249 if (SYMBOLP (AREF (font
, FONT_FOUNDRY_INDEX
))
1250 && ! NILP (AREF (font
, FONT_FOUNDRY_INDEX
)))
1251 p
+= sprintf (p
, ":foundry=%s",
1252 SDATA (SYMBOL_NAME (AREF (font
, FONT_FOUNDRY_INDEX
))));
1253 for (i
= 0; i
< 3; i
++)
1254 if (! NILP (styles
[i
]))
1255 p
+= sprintf (p
, ":%s=%s", style_names
[i
],
1256 SDATA (SYMBOL_NAME (styles
[i
])));
1260 /* Parse NAME (null terminated) and store information in FONT
1261 (font-spec or font-entity). If NAME is successfully parsed, return
1262 a non-negative value. Otherwise return -1.
1264 If NAME is XLFD and FONT is a font-entity, store
1265 RESY-SPACING-AVWIDTH information as a symbol in FONT_EXTRA_INDEX.
1267 If MERGE is nonzero, set a property of FONT only when it's nil. */
1270 font_parse_name (name
, font
, merge
)
1275 if (name
[0] == '-' || index (name
, '*'))
1276 return font_parse_xlfd (name
, font
, merge
);
1278 return font_parse_fcname (name
, font
, merge
);
1283 font_merge_old_spec (name
, family
, registry
, spec
)
1284 Lisp_Object name
, family
, registry
, spec
;
1288 if (font_parse_xlfd ((char *) SDATA (name
), spec
, 1) < 0)
1290 Lisp_Object extra
= Fcons (Fcons (QCname
, name
), Qnil
);
1292 ASET (spec
, FONT_EXTRA_INDEX
, extra
);
1297 if (! NILP (family
))
1302 xassert (STRINGP (family
));
1303 len
= SBYTES (family
);
1304 p0
= (char *) SDATA (family
);
1305 p1
= index (p0
, '-');
1308 if (NILP (AREF (spec
, FONT_FOUNDRY_INDEX
)))
1309 ASET (spec
, FONT_FOUNDRY_INDEX
,
1310 intern_downcase (p0
, p1
- p0
));
1311 if (NILP (AREF (spec
, FONT_FAMILY_INDEX
)))
1312 ASET (spec
, FONT_FAMILY_INDEX
,
1313 intern_downcase (p1
+ 1, len
- (p1
+ 1 - p0
)));
1315 else if (NILP (AREF (spec
, FONT_FAMILY_INDEX
)))
1316 ASET (spec
, FONT_FAMILY_INDEX
, intern_downcase (p0
, len
));
1318 if (! NILP (registry
)
1319 && NILP (AREF (spec
, FONT_REGISTRY_INDEX
)))
1320 ASET (spec
, FONT_REGISTRY_INDEX
,
1321 intern_downcase ((char *) SDATA (registry
), SBYTES (registry
)));
1335 struct otf_list
*next
;
1338 static struct otf_list
*otf_list
;
1341 otf_tag_symbol (tag
)
1346 OTF_tag_name (tag
, name
);
1347 return Fintern (make_unibyte_string (name
, 4), Qnil
);
1351 otf_open (entity
, file
)
1355 struct otf_list
*list
= otf_list
;
1357 while (list
&& ! EQ (list
->entity
, entity
))
1361 list
= malloc (sizeof (struct otf_list
));
1362 list
->entity
= entity
;
1363 list
->otf
= file
? OTF_open (file
) : NULL
;
1364 list
->next
= otf_list
;
1371 /* Return a list describing which scripts/languages FONT supports by
1372 which GSUB/GPOS features of OpenType tables. See the comment of
1373 (sturct font_driver).otf_capability. */
1376 font_otf_capability (font
)
1380 Lisp_Object capability
= Fcons (Qnil
, Qnil
);
1383 otf
= otf_open (font
->entity
, font
->file_name
);
1386 for (i
= 0; i
< 2; i
++)
1388 OTF_GSUB_GPOS
*gsub_gpos
;
1389 Lisp_Object script_list
= Qnil
;
1392 if (OTF_get_features (otf
, i
== 0) < 0)
1394 gsub_gpos
= i
== 0 ? otf
->gsub
: otf
->gpos
;
1395 for (j
= gsub_gpos
->ScriptList
.ScriptCount
- 1; j
>= 0; j
--)
1397 OTF_Script
*script
= gsub_gpos
->ScriptList
.Script
+ j
;
1398 Lisp_Object langsys_list
= Qnil
;
1399 Lisp_Object script_tag
= otf_tag_symbol (script
->ScriptTag
);
1402 for (k
= script
->LangSysCount
; k
>= 0; k
--)
1404 OTF_LangSys
*langsys
;
1405 Lisp_Object feature_list
= Qnil
;
1406 Lisp_Object langsys_tag
;
1409 if (j
== script
->LangSysCount
)
1411 langsys
= &script
->DefaultLangSys
;
1416 langsys
= script
->LangSys
+ k
;
1418 = otf_tag_symbol (script
->LangSysRecord
[k
].LangSysTag
);
1420 for (l
= langsys
->FeatureCount
-1; l
>= 0; l
--)
1422 OTF_Feature
*feature
1423 = gsub_gpos
->FeatureList
.Feature
+ langsys
->FeatureIndex
[l
];
1424 Lisp_Object feature_tag
1425 = otf_tag_symbol (feature
->FeatureTag
);
1427 feature_list
= Fcons (feature_tag
, feature_list
);
1429 langsys_list
= Fcons (Fcons (langsys_tag
, feature_list
),
1432 script_list
= Fcons (Fcons (script_tag
, langsys_list
),
1437 XSETCAR (capability
, script_list
);
1439 XSETCDR (capability
, script_list
);
1446 parse_gsub_gpos_spec (spec
, script
, langsys
, features
)
1448 char **script
, **langsys
, **features
;
1456 *script
= (char *) SDATA (SYMBOL_NAME (val
));
1459 *langsys
= NILP (val
) ? NULL
: (char *) SDATA (SYMBOL_NAME (val
));
1461 len
= XINT (Flength (spec
));
1462 *features
= p
= malloc (6 * len
);
1466 for (asterisk
= 0; CONSP (spec
); spec
= XCDR (spec
))
1469 if (SREF (SYMBOL_NAME (val
), 0) == '*')
1472 p
+= sprintf (p
, ",*");
1474 else if (! asterisk
)
1475 p
+= sprintf (p
, ",%s", SDATA (SYMBOL_NAME (val
)));
1477 p
+= sprintf (p
, ",~%s", SDATA (SYMBOL_NAME (val
)));
1482 #define DEVICE_DELTA(table, size) \
1483 (((size) >= (table).StartSize && (size) <= (table).EndSize) \
1484 ? (table).DeltaValue[(size) >= (table).StartSize] \
1488 adjust_anchor (struct font
*font
, OTF_Anchor
*anchor
,
1489 unsigned code
, int size
, int *x
, int *y
)
1491 if (anchor
->AnchorFormat
== 2)
1495 if (font
->driver
->anchor_point (font
, code
, anchor
->f
.f1
.AnchorPoint
,
1499 else if (anchor
->AnchorFormat
== 3)
1501 if (anchor
->f
.f2
.XDeviceTable
.offset
)
1502 *x
+= DEVICE_DELTA (anchor
->f
.f2
.XDeviceTable
, size
);
1503 if (anchor
->f
.f2
.YDeviceTable
.offset
)
1504 *y
+= DEVICE_DELTA (anchor
->f
.f2
.YDeviceTable
, size
);
1509 /* Drive FONT's OTF GSUB features according to GSUB_SPEC. See the
1510 comment of (sturct font_driver).otf_gsub. */
1513 font_otf_gsub (font
, gsub_spec
, gstring_in
, from
, to
, gstring_out
, idx
)
1515 Lisp_Object gsub_spec
;
1516 Lisp_Object gstring_in
;
1518 Lisp_Object gstring_out
;
1524 OTF_GlyphString otf_gstring
;
1526 char *script
, *langsys
, *features
;
1528 otf
= otf_open (font
->entity
, font
->file_name
);
1531 if (OTF_get_table (otf
, "head") < 0)
1533 if (OTF_check_table (otf
, "GSUB") < 0)
1535 if (parse_gsub_gpos_spec (gsub_spec
, &script
, &langsys
, &features
) < 0)
1538 otf_gstring
.size
= otf_gstring
.used
= len
;
1539 otf_gstring
.glyphs
= (OTF_Glyph
*) malloc (sizeof (OTF_Glyph
) * len
);
1540 memset (otf_gstring
.glyphs
, 0, sizeof (OTF_Glyph
) * len
);
1541 for (i
= 0; i
< len
; i
++)
1543 Lisp_Object g
= LGSTRING_GLYPH (gstring_in
, from
+ i
);
1545 otf_gstring
.glyphs
[i
].c
= XINT (LGLYPH_CHAR (g
));
1546 otf_gstring
.glyphs
[i
].glyph_id
= XINT (LGLYPH_CODE (g
));
1549 OTF_drive_gdef (otf
, &otf_gstring
);
1550 if (OTF_drive_gsub (otf
, &otf_gstring
, script
, langsys
, features
) < 0)
1552 free (otf_gstring
.glyphs
);
1555 if (ASIZE (gstring_out
) < idx
+ otf_gstring
.used
)
1557 free (otf_gstring
.glyphs
);
1561 for (i
= 0, g
= otf_gstring
.glyphs
; i
< otf_gstring
.used
;)
1563 int i0
= g
->f
.index
.from
, i1
= g
->f
.index
.to
;
1564 Lisp_Object glyph
= LGSTRING_GLYPH (gstring_in
, from
+ i0
);
1565 Lisp_Object min_idx
= AREF (glyph
, 0);
1566 Lisp_Object max_idx
= AREF (glyph
, 1);
1570 int min_idx_i
= XINT (min_idx
), max_idx_i
= XINT (max_idx
);
1572 for (i0
++; i0
<= i1
; i0
++)
1574 glyph
= LGSTRING_GLYPH (gstring_in
, from
+ i0
);
1575 if (min_idx_i
> XINT (AREF (glyph
, 0)))
1576 min_idx_i
= XINT (AREF (glyph
, 0));
1577 if (max_idx_i
< XINT (AREF (glyph
, 1)))
1578 max_idx_i
= XINT (AREF (glyph
, 1));
1580 min_idx
= make_number (min_idx_i
);
1581 max_idx
= make_number (max_idx_i
);
1582 i0
= g
->f
.index
.from
;
1584 for (; i
< otf_gstring
.used
&& g
->f
.index
.from
== i0
; i
++, g
++)
1586 glyph
= LGSTRING_GLYPH (gstring_out
, idx
+ i
);
1587 ASET (glyph
, 0, min_idx
);
1588 ASET (glyph
, 1, max_idx
);
1589 LGLYPH_SET_CHAR (glyph
, make_number (g
->c
));
1590 LGLYPH_SET_CODE (glyph
, make_number (g
->glyph_id
));
1594 free (otf_gstring
.glyphs
);
1598 /* Drive FONT's OTF GPOS features according to GPOS_SPEC. See the
1599 comment of (sturct font_driver).otf_gpos. */
1602 font_otf_gpos (font
, gpos_spec
, gstring
, from
, to
)
1604 Lisp_Object gpos_spec
;
1605 Lisp_Object gstring
;
1611 OTF_GlyphString otf_gstring
;
1613 char *script
, *langsys
, *features
;
1616 Lisp_Object base
, mark
;
1618 otf
= otf_open (font
->entity
, font
->file_name
);
1621 if (OTF_get_table (otf
, "head") < 0)
1623 if (OTF_check_table (otf
, "GPOS") < 0)
1625 if (parse_gsub_gpos_spec (gpos_spec
, &script
, &langsys
, &features
) < 0)
1628 otf_gstring
.size
= otf_gstring
.used
= len
;
1629 otf_gstring
.glyphs
= (OTF_Glyph
*) malloc (sizeof (OTF_Glyph
) * len
);
1630 memset (otf_gstring
.glyphs
, 0, sizeof (OTF_Glyph
) * len
);
1631 for (i
= 0; i
< len
; i
++)
1633 glyph
= LGSTRING_GLYPH (gstring
, from
+ i
);
1634 otf_gstring
.glyphs
[i
].glyph_id
= XINT (LGLYPH_CODE (glyph
));
1637 OTF_drive_gdef (otf
, &otf_gstring
);
1639 if (OTF_drive_gpos (otf
, &otf_gstring
, script
, langsys
, features
) < 0)
1641 free (otf_gstring
.glyphs
);
1645 u
= otf
->head
->unitsPerEm
;
1646 size
= font
->pixel_size
;
1648 for (i
= 0, g
= otf_gstring
.glyphs
; i
< otf_gstring
.used
; i
++, g
++)
1651 int xoff
= 0, yoff
= 0, width_adjust
= 0;
1656 glyph
= LGSTRING_GLYPH (gstring
, from
+ i
);
1657 switch (g
->positioning_type
)
1663 int format
= g
->f
.f1
.format
;
1665 if (format
& OTF_XPlacement
)
1666 xoff
= g
->f
.f1
.value
->XPlacement
* size
/ u
;
1667 if (format
& OTF_XPlaDevice
)
1668 xoff
+= DEVICE_DELTA (g
->f
.f1
.value
->XPlaDevice
, size
);
1669 if (format
& OTF_YPlacement
)
1670 yoff
= - (g
->f
.f1
.value
->YPlacement
* size
/ u
);
1671 if (format
& OTF_YPlaDevice
)
1672 yoff
-= DEVICE_DELTA (g
->f
.f1
.value
->YPlaDevice
, size
);
1673 if (format
& OTF_XAdvance
)
1674 width_adjust
+= g
->f
.f1
.value
->XAdvance
* size
/ u
;
1675 if (format
& OTF_XAdvDevice
)
1676 width_adjust
+= DEVICE_DELTA (g
->f
.f1
.value
->XAdvDevice
, size
);
1680 /* Not yet supported. */
1686 goto label_adjust_anchor
;
1687 default: /* i.e. case 6 */
1692 label_adjust_anchor
:
1694 int base_x
, base_y
, mark_x
, mark_y
, width
;
1697 base_x
= g
->f
.f4
.base_anchor
->XCoordinate
* size
/ u
;
1698 base_y
= g
->f
.f4
.base_anchor
->YCoordinate
* size
/ u
;
1699 mark_x
= g
->f
.f4
.mark_anchor
->XCoordinate
* size
/ u
;
1700 mark_y
= g
->f
.f4
.mark_anchor
->YCoordinate
* size
/ u
;
1702 code
= XINT (LGLYPH_CODE (prev
));
1703 if (g
->f
.f4
.base_anchor
->AnchorFormat
!= 1)
1704 adjust_anchor (font
, g
->f
.f4
.base_anchor
,
1705 code
, size
, &base_x
, &base_y
);
1706 if (g
->f
.f4
.mark_anchor
->AnchorFormat
!= 1)
1707 adjust_anchor (font
, g
->f
.f4
.mark_anchor
,
1708 code
, size
, &mark_x
, &mark_y
);
1710 if (NILP (LGLYPH_WIDTH (prev
)))
1712 width
= font
->driver
->text_extents (font
, &code
, 1, NULL
);
1713 LGLYPH_SET_WIDTH (prev
, make_number (width
));
1715 xoff
= XINT (LGLYPH_XOFF (prev
)) + (base_x
- width
) - mark_x
;
1716 yoff
= XINT (LGLYPH_YOFF (prev
)) + mark_y
- base_y
;
1719 if (g
->GlyphClass
== OTF_GlyphClass0
)
1720 base
= mark
= glyph
;
1721 else if (g
->GlyphClass
== OTF_GlyphClassMark
)
1726 LGLYPH_SET_XOFF (glyph
, make_number (xoff
));
1727 LGLYPH_SET_YOFF (glyph
, make_number (yoff
));
1728 LGLYPH_SET_WADJUST (glyph
, make_number (width_adjust
));
1731 free (otf_gstring
.glyphs
);
1735 #endif /* HAVE_LIBOTF */
1738 /* glyph-string handler */
1740 /* GSTRING is a vector of this form:
1741 [ [FONT-OBJECT LBEARING RBEARING WITH ASCENT DESCENT] GLYPH ... ]
1742 and GLYPH is a vector of this form:
1743 [ FROM-IDX TO-IDX C CODE X-OFF Y-OFF WIDTH WADJUST ]
1745 FROM-IDX and TO-IDX are used internally and should not be touched.
1746 C is a character of the glyph.
1747 CODE is a glyph-code of C in FONT-OBJECT.
1748 X-OFF and Y-OFF are offests to the base position for the glyph.
1749 WIDTH is a normal width of the glyph.
1750 WADJUST is an adjustment to the normal width of the glyph. */
1753 font_prepare_composition (cmp
)
1754 struct composition
*cmp
;
1757 = AREF (XHASH_TABLE (composition_hash_table
)->key_and_value
,
1758 cmp
->hash_index
* 2);
1759 struct font
*font
= XSAVE_VALUE (LGSTRING_FONT (gstring
))->pointer
;
1760 int len
= LGSTRING_LENGTH (gstring
);
1764 cmp
->lbearing
= cmp
->rbearing
= cmp
->pixel_width
= 0;
1765 cmp
->ascent
= font
->ascent
;
1766 cmp
->descent
= font
->descent
;
1768 for (i
= 0; i
< len
; i
++)
1770 Lisp_Object g
= LGSTRING_GLYPH (gstring
, i
);
1771 unsigned code
= XINT (LGLYPH_CODE (g
));
1772 struct font_metrics metrics
;
1774 font
->driver
->text_extents (font
, &code
, 1, &metrics
);
1775 LGLYPH_SET_WIDTH (g
, make_number (metrics
.width
));
1776 metrics
.lbearing
+= XINT (LGLYPH_XOFF (g
));
1777 metrics
.rbearing
+= XINT (LGLYPH_XOFF (g
));
1778 metrics
.ascent
+= XINT (LGLYPH_YOFF (g
));
1779 metrics
.descent
+= XINT (LGLYPH_YOFF (g
));
1781 if (cmp
->lbearing
> cmp
->pixel_width
+ metrics
.lbearing
)
1782 cmp
->lbearing
= cmp
->pixel_width
+ metrics
.lbearing
;
1783 if (cmp
->rbearing
< cmp
->pixel_width
+ metrics
.rbearing
)
1784 cmp
->rbearing
= cmp
->pixel_width
+ metrics
.rbearing
;
1785 if (cmp
->ascent
< metrics
.ascent
)
1786 cmp
->ascent
= metrics
.ascent
;
1787 if (cmp
->descent
< metrics
.descent
)
1788 cmp
->descent
= metrics
.descent
;
1789 cmp
->pixel_width
+= metrics
.width
+ XINT (LGLYPH_WADJUST (g
));
1791 LGSTRING_SET_LBEARING (gstring
, make_number (cmp
->lbearing
));
1792 LGSTRING_SET_RBEARING (gstring
, make_number (cmp
->rbearing
));
1793 LGSTRING_SET_WIDTH (gstring
, make_number (cmp
->pixel_width
));
1794 LGSTRING_SET_ASCENT (gstring
, make_number (cmp
->ascent
));
1795 LGSTRING_SET_DESCENT (gstring
, make_number (cmp
->descent
));
1801 font_gstring_produce (old
, from
, to
, new, idx
, code
, n
)
1809 Lisp_Object min_idx
, max_idx
;
1812 if (idx
+ n
> ASIZE (new))
1818 min_idx
= make_number (0);
1819 max_idx
= make_number (1);
1823 min_idx
= AREF (AREF (old
, from
- 1), 0);
1824 max_idx
= AREF (AREF (old
, from
- 1), 1);
1827 else if (from
+ 1 == to
)
1829 min_idx
= AREF (AREF (old
, from
), 0);
1830 max_idx
= AREF (AREF (old
, from
), 1);
1834 int min_idx_i
= XINT (AREF (AREF (old
, from
), 0));
1835 int max_idx_i
= XINT (AREF (AREF (old
, from
), 1));
1837 for (i
= from
+ 1; i
< to
; i
++)
1839 if (min_idx_i
> XINT (AREF (AREF (old
, i
), 0)))
1840 min_idx_i
= XINT (AREF (AREF (old
, i
), 0));
1841 if (max_idx_i
< XINT (AREF (AREF (old
, i
), 1)))
1842 max_idx_i
= XINT (AREF (AREF (old
, i
), 1));
1844 min_idx
= make_number (min_idx_i
);
1845 max_idx
= make_number (max_idx_i
);
1848 for (i
= 0; i
< n
; i
++)
1850 ASET (AREF (new, idx
+ i
), 0, min_idx
);
1851 ASET (AREF (new, idx
+ i
), 1, max_idx
);
1852 ASET (AREF (new, idx
+ i
), 2, make_number (code
[i
]));
1860 static unsigned font_score
P_ ((Lisp_Object
, Lisp_Object
*));
1861 static int font_compare
P_ ((const void *, const void *));
1862 static Lisp_Object font_sort_entites
P_ ((Lisp_Object
, Lisp_Object
,
1863 Lisp_Object
, Lisp_Object
));
1865 /* We sort fonts by scoring each of them against a specified
1866 font-spec. The score value is 32 bit (`unsigned'), and the smaller
1867 the value is, the closer the font is to the font-spec.
1869 Each 1-bit in the highest 4 bits of the score is used for atomic
1870 properties FOUNDRY, FAMILY, ADSTYLE, and REGISTRY.
1872 Each 7-bit in the lowest 28 bits are used for numeric properties
1873 WEIGHT, SLANT, WIDTH, and SIZE. */
1875 /* How many bits to shift to store the difference value of each font
1876 property in a score. */
1877 static int sort_shift_bits
[FONT_SIZE_INDEX
+ 1];
1879 /* Score font-entity ENTITY against properties of font-spec SPEC_PROP.
1880 The return value indicates how different ENTITY is compared with
1884 font_score (entity
, spec_prop
)
1885 Lisp_Object entity
, *spec_prop
;
1889 /* Score four atomic fields. Maximum difference is 1. */
1890 for (i
= FONT_FOUNDRY_INDEX
; i
<= FONT_REGISTRY_INDEX
; i
++)
1891 if (! NILP (spec_prop
[i
])
1892 && ! EQ (spec_prop
[i
], AREF (entity
, i
)))
1893 score
|= 1 << sort_shift_bits
[i
];
1895 /* Score four numeric fields. Maximum difference is 127. */
1896 for (i
= FONT_WEIGHT_INDEX
; i
<= FONT_SIZE_INDEX
; i
++)
1898 Lisp_Object entity_val
= AREF (entity
, i
);
1900 if (! NILP (spec_prop
[i
]) && ! EQ (spec_prop
[i
], entity_val
))
1902 if (! INTEGERP (entity_val
))
1903 score
|= 127 << sort_shift_bits
[i
];
1906 int diff
= XINT (entity_val
) - XINT (spec_prop
[i
]);
1910 if (i
== FONT_SIZE_INDEX
)
1912 if (XINT (entity_val
) > 0
1913 && diff
> FONT_PIXEL_SIZE_QUANTUM
)
1914 score
|= min (diff
, 127) << sort_shift_bits
[i
];
1917 score
|= min (diff
, 127) << sort_shift_bits
[i
];
1926 /* The comparison function for qsort. */
1929 font_compare (d1
, d2
)
1930 const void *d1
, *d2
;
1932 return (*(unsigned *) d1
< *(unsigned *) d2
1933 ? -1 : *(unsigned *) d1
> *(unsigned *) d2
);
1937 /* The structure for elements being sorted by qsort. */
1938 struct font_sort_data
1945 /* Sort font-entities in vector VEC by closeness to font-spec PREFER.
1946 If PREFER specifies a point-size, calculate the corresponding
1947 pixel-size from QCdpi property of PREFER or from the Y-resolution
1948 of FRAME before sorting. If SPEC is not nil, it is a font-spec to
1949 get the font-entities in VEC. */
1952 font_sort_entites (vec
, prefer
, frame
, spec
)
1953 Lisp_Object vec
, prefer
, frame
, spec
;
1955 Lisp_Object prefer_prop
[FONT_SPEC_MAX
];
1957 struct font_sort_data
*data
;
1964 for (i
= FONT_FOUNDRY_INDEX
; i
<= FONT_SIZE_INDEX
; i
++)
1965 prefer_prop
[i
] = AREF (prefer
, i
);
1969 /* As it is assured that all fonts in VEC match with SPEC, we
1970 should ignore properties specified in SPEC. So, set the
1971 corresponding properties in PREFER_PROP to nil. */
1972 for (i
= FONT_WEIGHT_INDEX
; i
<= FONT_SIZE_INDEX
; i
++)
1973 if (! NILP (AREF (spec
, i
)))
1974 prefer_prop
[i
++] = Qnil
;
1977 if (FLOATP (prefer_prop
[FONT_SIZE_INDEX
]))
1978 prefer_prop
[FONT_SIZE_INDEX
]
1979 = make_number (font_pixel_size (XFRAME (frame
), prefer
));
1981 /* Scoring and sorting. */
1982 SAFE_ALLOCA (data
, struct font_sort_data
*, (sizeof *data
) * len
);
1983 for (i
= 0; i
< len
; i
++)
1985 data
[i
].entity
= AREF (vec
, i
);
1986 data
[i
].score
= font_score (data
[i
].entity
, prefer_prop
);
1988 qsort (data
, len
, sizeof *data
, font_compare
);
1989 for (i
= 0; i
< len
; i
++)
1990 ASET (vec
, i
, data
[i
].entity
);
1997 /* API of Font Service Layer. */
2000 font_update_sort_order (order
)
2003 int i
, shift_bits
= 21;
2005 for (i
= 0; i
< 4; i
++, shift_bits
-= 7)
2007 int xlfd_idx
= order
[i
];
2009 if (xlfd_idx
== XLFD_WEIGHT_INDEX
)
2010 sort_shift_bits
[FONT_WEIGHT_INDEX
] = shift_bits
;
2011 else if (xlfd_idx
== XLFD_SLANT_INDEX
)
2012 sort_shift_bits
[FONT_SLANT_INDEX
] = shift_bits
;
2013 else if (xlfd_idx
== XLFD_SWIDTH_INDEX
)
2014 sort_shift_bits
[FONT_WIDTH_INDEX
] = shift_bits
;
2016 sort_shift_bits
[FONT_SIZE_INDEX
] = shift_bits
;
2021 font_symbolic_weight (font
)
2024 Lisp_Object weight
= AREF (font
, FONT_WEIGHT_INDEX
);
2026 if (INTEGERP (weight
))
2027 weight
= prop_numeric_to_name (FONT_WEIGHT_INDEX
, XINT (weight
));
2032 font_symbolic_slant (font
)
2035 Lisp_Object slant
= AREF (font
, FONT_SLANT_INDEX
);
2037 if (INTEGERP (slant
))
2038 slant
= prop_numeric_to_name (FONT_SLANT_INDEX
, XINT (slant
));
2043 font_symbolic_width (font
)
2046 Lisp_Object width
= AREF (font
, FONT_WIDTH_INDEX
);
2048 if (INTEGERP (width
))
2049 width
= prop_numeric_to_name (FONT_WIDTH_INDEX
, XINT (width
));
2054 font_match_p (spec
, entity
)
2055 Lisp_Object spec
, entity
;
2059 for (i
= FONT_FOUNDRY_INDEX
; i
< FONT_SIZE_INDEX
; i
++)
2060 if (! NILP (AREF (spec
, i
))
2061 && ! EQ (AREF (spec
, i
), AREF (entity
, i
)))
2063 if (INTEGERP (AREF (spec
, FONT_SIZE_INDEX
))
2064 && XINT (AREF (entity
, FONT_SIZE_INDEX
)) > 0
2065 && (XINT (AREF (spec
, FONT_SIZE_INDEX
))
2066 != XINT (AREF (entity
, FONT_SIZE_INDEX
))))
2072 font_find_object (font
)
2075 Lisp_Object tail
, elt
;
2077 for (tail
= AREF (font
->entity
, FONT_OBJLIST_INDEX
); CONSP (tail
);
2081 if (font
== XSAVE_VALUE (elt
)->pointer
2082 && XSAVE_VALUE (elt
)->integer
> 0)
2089 static Lisp_Object scratch_font_spec
, scratch_font_prefer
;
2091 /* Return a vector of font-entities matching with SPEC on frame F. */
2094 font_list_entities (frame
, spec
)
2095 Lisp_Object frame
, spec
;
2097 FRAME_PTR f
= XFRAME (frame
);
2098 struct font_driver_list
*driver_list
= f
->font_driver_list
;
2099 Lisp_Object ftype
, family
, size
, alternate_familes
;
2100 Lisp_Object
*vec
= alloca (sizeof (Lisp_Object
) * num_font_drivers
);
2106 family
= AREF (spec
, FONT_FAMILY_INDEX
);
2108 alternate_familes
= Qnil
;
2111 if (NILP (font_family_alist
)
2112 && !NILP (Vface_alternative_font_family_alist
))
2113 build_font_family_alist ();
2114 alternate_familes
= assq_no_quit (family
, font_family_alist
);
2115 if (! NILP (alternate_familes
))
2116 alternate_familes
= XCDR (alternate_familes
);
2118 size
= AREF (spec
, FONT_SIZE_INDEX
);
2120 ASET (spec
, FONT_SIZE_INDEX
, make_number (font_pixel_size (f
, spec
)));
2122 xassert (ASIZE (spec
) == FONT_SPEC_MAX
);
2123 ftype
= AREF (spec
, FONT_TYPE_INDEX
);
2125 for (i
= 0; driver_list
; driver_list
= driver_list
->next
)
2126 if (NILP (ftype
) || EQ (driver_list
->driver
->type
, ftype
))
2128 Lisp_Object cache
= driver_list
->driver
->get_cache (frame
);
2129 Lisp_Object tail
= alternate_familes
;
2132 xassert (CONSP (cache
));
2133 ASET (spec
, FONT_TYPE_INDEX
, driver_list
->driver
->type
);
2134 ASET (spec
, FONT_FAMILY_INDEX
, family
);
2138 val
= assoc_no_quit (spec
, XCDR (cache
));
2143 val
= driver_list
->driver
->list (frame
, spec
);
2145 XSETCDR (cache
, Fcons (Fcons (Fcopy_sequence (spec
), val
),
2148 if (VECTORP (val
) && ASIZE (val
) > 0)
2155 ASET (spec
, FONT_FAMILY_INDEX
, XCAR (tail
));
2159 ASET (spec
, FONT_TYPE_INDEX
, ftype
);
2160 ASET (spec
, FONT_FAMILY_INDEX
, family
);
2161 ASET (spec
, FONT_SIZE_INDEX
, size
);
2162 return (i
> 0 ? Fvconcat (i
, vec
) : null_vector
);
2165 static int num_fonts
;
2168 font_open_entity (f
, entity
, pixel_size
)
2173 struct font_driver_list
*driver_list
;
2174 Lisp_Object objlist
, size
, val
;
2177 size
= AREF (entity
, FONT_SIZE_INDEX
);
2178 xassert (NATNUMP (size
));
2179 if (XINT (size
) != 0)
2180 pixel_size
= XINT (size
);
2182 for (objlist
= AREF (entity
, FONT_OBJLIST_INDEX
); CONSP (objlist
);
2183 objlist
= XCDR (objlist
))
2185 font
= XSAVE_VALUE (XCAR (objlist
))->pointer
;
2186 if (font
->pixel_size
== pixel_size
)
2188 XSAVE_VALUE (XCAR (objlist
))->integer
++;
2189 return XCAR (objlist
);
2193 xassert (FONT_ENTITY_P (entity
));
2194 val
= AREF (entity
, FONT_TYPE_INDEX
);
2195 for (driver_list
= f
->font_driver_list
;
2196 driver_list
&& ! EQ (driver_list
->driver
->type
, val
);
2197 driver_list
= driver_list
->next
);
2201 font
= driver_list
->driver
->open (f
, entity
, pixel_size
);
2204 val
= make_save_value (font
, 1);
2205 ASET (entity
, FONT_OBJLIST_INDEX
,
2206 Fcons (val
, AREF (entity
, FONT_OBJLIST_INDEX
)));
2212 font_close_object (f
, font_object
)
2214 Lisp_Object font_object
;
2217 Lisp_Object objlist
= AREF (font
->entity
, FONT_OBJLIST_INDEX
);
2218 Lisp_Object tail
, prev
= Qnil
;
2220 for (prev
= Qnil
, tail
= objlist
; CONSP (tail
);
2221 prev
= tail
, tail
= XCDR (tail
))
2222 if (EQ (font_object
, XCAR (tail
)))
2224 struct Lisp_Save_Value
*p
= XSAVE_VALUE (font_object
);
2226 xassert (p
->integer
> 0);
2228 if (p
->integer
== 0)
2230 if (font
->driver
->close
)
2231 font
->driver
->close (f
, p
->pointer
);
2234 ASET (font
->entity
, FONT_OBJLIST_INDEX
, XCDR (objlist
));
2236 XSETCDR (prev
, XCDR (objlist
));
2243 font_has_char (f
, font_entity
, c
)
2245 Lisp_Object font_entity
;
2248 Lisp_Object type
= AREF (font_entity
, FONT_TYPE_INDEX
);
2249 struct font_driver_list
*driver_list
;
2251 for (driver_list
= f
->font_driver_list
;
2252 driver_list
&& ! EQ (driver_list
->driver
->type
, type
);
2253 driver_list
= driver_list
->next
);
2256 return driver_list
->driver
->has_char (font_entity
, c
);
2260 font_encode_char (font_object
, c
)
2261 Lisp_Object font_object
;
2264 struct font
*font
= XSAVE_VALUE (font_object
)->pointer
;
2266 return font
->driver
->encode_char (font
, c
);
2270 font_get_name (font_object
)
2271 Lisp_Object font_object
;
2273 struct font
*font
= XSAVE_VALUE (font_object
)->pointer
;
2274 char *name
= (font
->font
.full_name
? font
->font
.full_name
2275 : font
->font
.name
? font
->font
.name
2278 return (name
? make_unibyte_string (name
, strlen (name
)) : null_string
);
2282 font_get_spec (font_object
)
2283 Lisp_Object font_object
;
2285 struct font
*font
= XSAVE_VALUE (font_object
)->pointer
;
2286 Lisp_Object spec
= Ffont_spec (0, NULL
);
2289 for (i
= 0; i
< FONT_SIZE_INDEX
; i
++)
2290 ASET (spec
, i
, AREF (font
->entity
, i
));
2291 ASET (spec
, FONT_SIZE_INDEX
, make_number (font
->pixel_size
));
2296 font_get_frame (font
)
2299 if (FONT_OBJECT_P (font
))
2300 font
= ((struct font
*) XSAVE_VALUE (font
)->pointer
)->entity
;
2301 xassert (FONT_ENTITY_P (font
));
2302 return AREF (font
, FONT_FRAME_INDEX
);
2305 /* Find a font entity best matching with LFACE. If SPEC is non-nil,
2306 the font must exactly match with it. */
2309 font_find_for_lface (f
, lface
, spec
)
2314 Lisp_Object frame
, entities
;
2318 for (i
= 0; i
< FONT_SPEC_MAX
; i
++)
2319 ASET (scratch_font_spec
, i
, Qnil
);
2321 for (i
= 0; i
< FONT_SPEC_MAX
; i
++)
2322 ASET (scratch_font_spec
, i
, AREF (spec
, i
));
2324 if (NILP (AREF (scratch_font_spec
, FONT_FAMILY_INDEX
))
2325 && ! NILP (lface
[LFACE_FAMILY_INDEX
]))
2326 font_merge_old_spec (Qnil
, lface
[LFACE_FAMILY_INDEX
], Qnil
,
2328 if (NILP (AREF (scratch_font_spec
, FONT_REGISTRY_INDEX
)))
2329 ASET (scratch_font_spec
, FONT_REGISTRY_INDEX
, intern ("iso8859-1"));
2331 XSETFRAME (frame
, f
);
2332 entities
= font_list_entities (frame
, scratch_font_spec
);
2333 while (ASIZE (entities
) == 0)
2335 if (! NILP (AREF (scratch_font_spec
, FONT_FOUNDRY_INDEX
))
2336 && (NILP (spec
) || NILP (AREF (spec
, FONT_FOUNDRY_INDEX
))))
2338 ASET (scratch_font_spec
, FONT_FOUNDRY_INDEX
, Qnil
);
2339 entities
= font_list_entities (frame
, scratch_font_spec
);
2341 else if (! NILP (AREF (scratch_font_spec
, FONT_FAMILY_INDEX
))
2342 && (NILP (spec
) || NILP (AREF (spec
, FONT_FAMILY_INDEX
))))
2344 ASET (scratch_font_spec
, FONT_FAMILY_INDEX
, Qnil
);
2345 entities
= font_list_entities (frame
, scratch_font_spec
);
2351 if (ASIZE (entities
) > 1)
2353 Lisp_Object prefer
= scratch_font_prefer
, val
;
2356 ASET (prefer
, FONT_WEIGHT_INDEX
,
2357 font_prop_validate_style (FONT_WEIGHT_INDEX
,
2358 lface
[LFACE_WEIGHT_INDEX
]));
2359 ASET (prefer
, FONT_SLANT_INDEX
,
2360 font_prop_validate_style (FONT_SLANT_INDEX
,
2361 lface
[LFACE_SLANT_INDEX
]));
2362 ASET (prefer
, FONT_WIDTH_INDEX
,
2363 font_prop_validate_style (FONT_WIDTH_INDEX
,
2364 lface
[LFACE_SWIDTH_INDEX
]));
2365 pt
= XINT (lface
[LFACE_HEIGHT_INDEX
]);
2366 ASET (prefer
, FONT_SIZE_INDEX
, make_float (pt
/ 10));
2368 font_sort_entites (entities
, prefer
, frame
, spec
);
2371 return AREF (entities
, 0);
2375 font_open_for_lface (f
, lface
, entity
)
2380 double pt
= XINT (lface
[LFACE_HEIGHT_INDEX
]);
2384 size
= POINT_TO_PIXEL (pt
, f
->resy
);
2385 return font_open_entity (f
, entity
, size
);
2389 font_load_for_face (f
, face
)
2393 Lisp_Object font_object
= face
->lface
[LFACE_FONT_INDEX
];
2395 if (NILP (font_object
))
2397 Lisp_Object entity
= font_find_for_lface (f
, face
->lface
, Qnil
);
2399 if (! NILP (entity
))
2400 font_object
= font_open_for_lface (f
, face
->lface
, entity
);
2403 if (! NILP (font_object
))
2405 struct font
*font
= XSAVE_VALUE (font_object
)->pointer
;
2407 face
->font
= font
->font
.font
;
2408 face
->font_info
= (struct font_info
*) font
;
2409 face
->font_info_id
= 0;
2410 face
->font_name
= font
->font
.full_name
;
2415 face
->font_info
= NULL
;
2416 face
->font_info_id
= -1;
2417 face
->font_name
= NULL
;
2418 add_to_log ("Unable to load font for a face%s", null_string
, Qnil
);
2423 font_prepare_for_face (f
, face
)
2427 struct font
*font
= (struct font
*) face
->font_info
;
2429 if (font
->driver
->prepare_face
)
2430 font
->driver
->prepare_face (f
, face
);
2434 font_done_for_face (f
, face
)
2438 struct font
*font
= (struct font
*) face
->font_info
;
2440 if (font
->driver
->done_face
)
2441 font
->driver
->done_face (f
, face
);
2446 font_open_by_name (f
, name
)
2450 Lisp_Object args
[2];
2451 Lisp_Object spec
, prefer
, size
, entities
;
2453 struct font_driver_list
*dlist
;
2457 XSETFRAME (frame
, f
);
2460 args
[1] = make_unibyte_string (name
, strlen (name
));
2461 spec
= Ffont_spec (2, args
);
2462 prefer
= scratch_font_prefer
;
2463 for (i
= FONT_WEIGHT_INDEX
; i
< FONT_SIZE_INDEX
; i
++)
2464 if (NILP (AREF (spec
, i
)))
2465 ASET (prefer
, i
, make_number (100));
2466 size
= AREF (spec
, FONT_SIZE_INDEX
);
2469 else if (INTEGERP (size
))
2470 pixel_size
= XINT (size
);
2471 else /* FLOATP (size) */
2473 double pt
= XFLOAT_DATA (size
);
2475 pixel_size
= POINT_TO_PIXEL (pt
, f
->resy
);
2476 size
= make_number (pixel_size
);
2477 ASET (spec
, FONT_SIZE_INDEX
, size
);
2479 if (pixel_size
== 0)
2481 pixel_size
= POINT_TO_PIXEL (12.0, f
->resy
);
2482 size
= make_number (pixel_size
);
2484 ASET (prefer
, FONT_SIZE_INDEX
, size
);
2485 if (NILP (AREF (spec
, FONT_REGISTRY_INDEX
)))
2486 ASET (spec
, FONT_REGISTRY_INDEX
, Qiso8859_1
);
2488 entities
= Flist_fonts (spec
, frame
, make_number (1), prefer
);
2489 return (NILP (entities
)
2491 : font_open_entity (f
, XCAR (entities
), pixel_size
));
2495 /* Register font-driver DRIVER. This function is used in two ways.
2497 The first is with frame F non-NULL. In this case, DRIVER is
2498 registered to be used for drawing characters on F. All frame
2499 creaters (e.g. Fx_create_frame) must call this function at least
2500 once with an available font-driver.
2502 The second is with frame F NULL. In this case, DRIVER is globally
2503 registered in the variable `font_driver_list'. All font-driver
2504 implementations must call this function in its syms_of_XXXX
2505 (e.g. syms_of_xfont). */
2508 register_font_driver (driver
, f
)
2509 struct font_driver
*driver
;
2512 struct font_driver_list
*root
= f
? f
->font_driver_list
: font_driver_list
;
2513 struct font_driver_list
*prev
, *list
;
2515 if (f
&& ! driver
->draw
)
2516 error ("Unsable font driver for a frame: %s",
2517 SDATA (SYMBOL_NAME (driver
->type
)));
2519 for (prev
= NULL
, list
= root
; list
; prev
= list
, list
= list
->next
)
2520 if (list
->driver
->type
== driver
->type
)
2521 error ("Duplicated font driver: %s", SDATA (SYMBOL_NAME (driver
->type
)));
2523 list
= malloc (sizeof (struct font_driver_list
));
2524 list
->driver
= driver
;
2529 f
->font_driver_list
= list
;
2531 font_driver_list
= list
;
2535 /* Free font-driver list on frame F. It doesn't free font-drivers
2539 free_font_driver_list (f
)
2542 while (f
->font_driver_list
)
2544 struct font_driver_list
*next
= f
->font_driver_list
->next
;
2546 free (f
->font_driver_list
);
2547 f
->font_driver_list
= next
;
2554 DEFUN ("fontp", Ffontp
, Sfontp
, 1, 1, 0,
2555 doc
: /* Return t if object is a font-spec or font-entity. */)
2559 return (FONTP (object
) ? Qt
: Qnil
);
2562 DEFUN ("font-spec", Ffont_spec
, Sfont_spec
, 0, MANY
, 0,
2563 doc
: /* Return a newly created font-spec with specified arguments as properties.
2564 usage: (font-spec &rest properties) */)
2569 Lisp_Object spec
= Fmake_vector (make_number (FONT_SPEC_MAX
), Qnil
);
2570 Lisp_Object extra
= Qnil
, name
= Qnil
;
2573 for (i
= 0; i
< nargs
; i
+= 2)
2575 enum font_property_index prop
;
2576 Lisp_Object key
= args
[i
], val
= args
[i
+ 1];
2578 prop
= check_font_prop_name (key
);
2579 if (prop
< FONT_EXTRA_INDEX
)
2580 ASET (spec
, prop
, (font_property_table
[prop
].validater
) (prop
, val
));
2583 if (EQ (key
, QCname
))
2586 extra
= Fcons (Fcons (key
, val
), extra
);
2589 ASET (spec
, FONT_EXTRA_INDEX
, extra
);
2591 font_parse_name (SDATA (name
), spec
, 0);
2596 DEFUN ("font-get", Ffont_get
, Sfont_get
, 2, 2, 0,
2597 doc
: /* Return the value of FONT's PROP property.
2598 FONT may be a font-spec or font-entity.
2599 If FONT is font-entity and PROP is :extra, always nil is returned. */)
2601 Lisp_Object font
, prop
;
2603 enum font_property_index idx
;
2606 idx
= check_font_prop_name (prop
);
2607 if (idx
< FONT_EXTRA_INDEX
)
2608 return AREF (font
, idx
);
2609 if (FONT_ENTITY_P (font
))
2611 return Fcdr (Fassoc (AREF (font
, FONT_EXTRA_INDEX
), prop
));
2615 DEFUN ("font-put", Ffont_put
, Sfont_put
, 3, 3, 0,
2616 doc
: /* Set one property of FONT-SPEC: give property PROP value VALUE. */)
2617 (font_spec
, prop
, val
)
2618 Lisp_Object font_spec
, prop
, val
;
2620 enum font_property_index idx
;
2621 Lisp_Object extra
, slot
;
2623 CHECK_FONT_SPEC (font_spec
);
2624 idx
= check_font_prop_name (prop
);
2625 if (idx
< FONT_EXTRA_INDEX
)
2626 return ASET (font_spec
, idx
, val
);
2627 extra
= AREF (font_spec
, FONT_EXTRA_INDEX
);
2628 slot
= Fassoc (extra
, prop
);
2630 extra
= Fcons (Fcons (prop
, val
), extra
);
2632 Fsetcdr (slot
, val
);
2636 DEFUN ("list-fonts", Flist_fonts
, Slist_fonts
, 1, 4, 0,
2637 doc
: /* List available fonts matching FONT-SPEC on the current frame.
2638 Optional 2nd argument FRAME specifies the target frame.
2639 Optional 3rd argument NUM, if non-nil, limits the number of returned fonts.
2640 Optional 4th argument PREFER, if non-nil, is a font-spec to sort fonts
2641 by closeness to PREFER. */)
2642 (font_spec
, frame
, num
, prefer
)
2643 Lisp_Object font_spec
, frame
, num
, prefer
;
2645 Lisp_Object vec
, list
, tail
;
2649 frame
= selected_frame
;
2650 CHECK_LIVE_FRAME (frame
);
2651 CHECK_VALIDATE_FONT_SPEC (font_spec
);
2659 if (! NILP (prefer
))
2660 CHECK_FONT (prefer
);
2662 vec
= font_list_entities (frame
, font_spec
);
2667 return Fcons (AREF (vec
, 0), Qnil
);
2669 if (! NILP (prefer
))
2670 vec
= font_sort_entites (vec
, prefer
, frame
, font_spec
);
2672 list
= tail
= Fcons (AREF (vec
, 0), Qnil
);
2673 if (n
== 0 || n
> len
)
2675 for (i
= 1; i
< n
; i
++)
2677 Lisp_Object val
= Fcons (AREF (vec
, i
), Qnil
);
2679 XSETCDR (tail
, val
);
2685 DEFUN ("list-families", Flist_families
, Slist_families
, 0, 1, 0,
2686 doc
: /* List available font families on the current frame.
2687 Optional 2nd argument FRAME specifies the target frame. */)
2692 struct font_driver_list
*driver_list
;
2696 frame
= selected_frame
;
2697 CHECK_LIVE_FRAME (frame
);
2700 for (driver_list
= f
->font_driver_list
; driver_list
;
2701 driver_list
= driver_list
->next
)
2702 if (driver_list
->driver
->list_family
)
2704 Lisp_Object val
= driver_list
->driver
->list_family (frame
);
2710 Lisp_Object tail
= list
;
2712 for (; CONSP (val
); val
= XCDR (val
))
2713 if (NILP (Fmemq (XCAR (val
), tail
)))
2714 list
= Fcons (XCAR (val
), list
);
2720 DEFUN ("find-font", Ffind_font
, Sfind_font
, 1, 2, 0,
2721 doc
: /* Return a font-entity matching with FONT-SPEC on the current frame.
2722 Optional 2nd argument FRAME, if non-nil, specifies the target frame. */)
2724 Lisp_Object font_spec
, frame
;
2726 Lisp_Object val
= Flist_fonts (font_spec
, frame
, make_number (1), Qnil
);
2733 DEFUN ("font-xlfd-name", Ffont_xlfd_name
, Sfont_xlfd_name
, 1, 1, 0,
2734 doc
: /* Return XLFD name of FONT.
2735 FONT is a font-spec, font-entity, or font-object.
2736 If the name is too long for XLFD (maximum 255 chars), return nil. */)
2743 if (FONT_SPEC_P (font
))
2744 CHECK_VALIDATE_FONT_SPEC (font
);
2745 else if (FONT_ENTITY_P (font
))
2751 CHECK_FONT_GET_OBJECT (font
, fontp
);
2752 font
= fontp
->entity
;
2753 pixel_size
= fontp
->pixel_size
;
2756 if (font_unparse_xlfd (font
, pixel_size
, name
, 256) < 0)
2758 return build_string (name
);
2761 DEFUN ("clear-font-cache", Fclear_font_cache
, Sclear_font_cache
, 0, 0, 0,
2762 doc
: /* Clear font cache. */)
2765 Lisp_Object list
, frame
;
2767 FOR_EACH_FRAME (list
, frame
)
2769 FRAME_PTR f
= XFRAME (frame
);
2770 struct font_driver_list
*driver_list
= f
->font_driver_list
;
2772 for (; driver_list
; driver_list
= driver_list
->next
)
2774 Lisp_Object cache
= driver_list
->driver
->get_cache (frame
);
2775 Lisp_Object tail
, elt
;
2777 for (tail
= XCDR (cache
); CONSP (tail
); tail
= XCDR (tail
))
2780 if (CONSP (elt
) && FONT_SPEC_P (XCAR (elt
)))
2782 Lisp_Object vec
= XCDR (elt
);
2785 for (i
= 0; i
< ASIZE (vec
); i
++)
2787 Lisp_Object entity
= AREF (vec
, i
);
2788 Lisp_Object objlist
= AREF (entity
, FONT_OBJLIST_INDEX
);
2790 for (; CONSP (objlist
); objlist
= XCDR (objlist
))
2792 Lisp_Object val
= XCAR (objlist
);
2793 struct Lisp_Save_Value
*p
= XSAVE_VALUE (val
);
2794 struct font
*font
= p
->pointer
;
2797 && driver_list
->driver
== font
->driver
);
2798 driver_list
->driver
->close (f
, font
);
2802 if (driver_list
->driver
->free_entity
)
2803 driver_list
->driver
->free_entity (entity
);
2807 XSETCDR (cache
, Qnil
);
2814 DEFUN ("internal-set-font-style-table", Finternal_set_font_style_table
,
2815 Sinternal_set_font_style_table
, 2, 2, 0,
2816 doc
: /* Set font style table for PROP to TABLE.
2817 PROP must be `:weight', `:slant', or `:width'.
2818 TABLE must be an alist of symbols vs the corresponding numeric values
2819 sorted by numeric values. */)
2821 Lisp_Object prop
, table
;
2825 Lisp_Object tail
, val
;
2827 CHECK_SYMBOL (prop
);
2828 table_index
= (EQ (prop
, QCweight
) ? 0
2829 : EQ (prop
, QCslant
) ? 1
2830 : EQ (prop
, QCwidth
) ? 2
2832 if (table_index
>= ASIZE (font_style_table
))
2833 error ("Invalid font style property: %s", SDATA (SYMBOL_NAME (prop
)));
2834 table
= Fcopy_sequence (table
);
2836 for (tail
= table
; ! NILP (tail
); tail
= Fcdr (tail
))
2838 prop
= Fcar (Fcar (tail
));
2839 val
= Fcdr (Fcar (tail
));
2840 CHECK_SYMBOL (prop
);
2842 if (numeric
> XINT (val
))
2843 error ("Numeric values not sorted for %s", SDATA (SYMBOL_NAME (prop
)));
2844 numeric
= XINT (val
);
2845 XSETCAR (tail
, Fcons (prop
, val
));
2847 ASET (font_style_table
, table_index
, table
);
2851 DEFUN ("font-make-gstring", Ffont_make_gstring
, Sfont_make_gstring
, 2, 2, 0,
2852 doc
: /* Return a newly created glyph-string for FONT-OBJECT with NUM glyphs.
2853 FONT-OBJECT may be nil if it is not yet known. */)
2855 Lisp_Object font_object
, num
;
2857 Lisp_Object gstring
, g
;
2861 if (! NILP (font_object
))
2862 CHECK_FONT_OBJECT (font_object
);
2865 len
= XINT (num
) + 1;
2866 gstring
= Fmake_vector (make_number (len
), Qnil
);
2867 g
= Fmake_vector (make_number (6), Qnil
);
2868 ASET (g
, 0, font_object
);
2869 ASET (gstring
, 0, g
);
2870 for (i
= 1; i
< len
; i
++)
2871 ASET (gstring
, i
, Fmake_vector (make_number (8), make_number (0)));
2875 DEFUN ("font-fill-gstring", Ffont_fill_gstring
, Sfont_fill_gstring
, 4, 5, 0,
2876 doc
: /* Fillin glyph-string GSTRING by characters for FONT-OBJECT.
2877 START and END specifies the region to extract characters.
2878 If optional 3rd argument OBJECT is non-nil, it is a buffer or a string from
2879 where to extract characters.
2880 FONT-OBJECT may be nil if GSTRING already already contains one. */)
2881 (gstring
, font_object
, start
, end
, object
)
2882 Lisp_Object gstring
, font_object
, start
, end
, object
;
2888 CHECK_VECTOR (gstring
);
2889 if (NILP (font_object
))
2890 font_object
= Faref (Faref (gstring
, make_number (0)), make_number (0));
2891 CHECK_FONT_GET_OBJECT (font_object
, font
);
2893 if (STRINGP (object
))
2895 const unsigned char *p
;
2897 CHECK_NATNUM (start
);
2899 if (XINT (start
) > XINT (end
)
2900 || XINT (end
) > ASIZE (object
)
2901 || XINT (end
) - XINT (start
) >= XINT (Flength (gstring
)))
2902 args_out_of_range (start
, end
);
2904 len
= XINT (end
) - XINT (start
);
2905 p
= SDATA (object
) + string_char_to_byte (object
, XINT (start
));
2906 for (i
= 0; i
< len
; i
++)
2908 Lisp_Object g
= LGSTRING_GLYPH (gstring
, i
);
2910 c
= STRING_CHAR_ADVANCE (p
);
2911 code
= font
->driver
->encode_char (font
, c
);
2912 if (code
> MOST_POSITIVE_FIXNUM
)
2913 error ("Glyph code 0x%X is too large", code
);
2914 ASET (g
, 0, make_number (i
));
2915 ASET (g
, 1, make_number (i
+ 1));
2916 LGLYPH_SET_CHAR (g
, make_number (c
));
2917 LGLYPH_SET_CODE (g
, make_number (code
));
2924 if (! NILP (object
))
2925 Fset_buffer (object
);
2926 validate_region (&start
, &end
);
2927 if (XINT (end
) - XINT (start
) > len
)
2928 args_out_of_range (start
, end
);
2929 len
= XINT (end
) - XINT (start
);
2931 pos_byte
= CHAR_TO_BYTE (pos
);
2932 for (i
= 0; i
< len
; i
++)
2934 Lisp_Object g
= LGSTRING_GLYPH (gstring
, i
);
2936 FETCH_CHAR_ADVANCE (c
, pos
, pos_byte
);
2937 code
= font
->driver
->encode_char (font
, c
);
2938 if (code
> MOST_POSITIVE_FIXNUM
)
2939 error ("Glyph code 0x%X is too large", code
);
2940 ASET (g
, 0, make_number (i
));
2941 ASET (g
, 1, make_number (i
+ 1));
2942 LGLYPH_SET_CHAR (g
, make_number (c
));
2943 LGLYPH_SET_CODE (g
, make_number (code
));
2952 DEFUN ("open-font", Fopen_font
, Sopen_font
, 1, 3, 0,
2953 doc
: /* Open FONT-ENTITY. */)
2954 (font_entity
, size
, frame
)
2955 Lisp_Object font_entity
;
2961 CHECK_FONT_ENTITY (font_entity
);
2963 size
= AREF (font_entity
, FONT_SIZE_INDEX
);
2964 CHECK_NUMBER (size
);
2966 frame
= selected_frame
;
2967 CHECK_LIVE_FRAME (frame
);
2969 isize
= XINT (size
);
2971 isize
= POINT_TO_PIXEL (- isize
, XFRAME (frame
)->resy
);
2973 return font_open_entity (XFRAME (frame
), font_entity
, isize
);
2976 DEFUN ("close-font", Fclose_font
, Sclose_font
, 1, 2, 0,
2977 doc
: /* Close FONT-OBJECT. */)
2978 (font_object
, frame
)
2979 Lisp_Object font_object
, frame
;
2981 CHECK_FONT_OBJECT (font_object
);
2983 frame
= selected_frame
;
2984 CHECK_LIVE_FRAME (frame
);
2985 font_close_object (XFRAME (frame
), font_object
);
2989 DEFUN ("query-font", Fquery_font
, Squery_font
, 1, 1, 0,
2990 doc
: /* Return information about FONT-OBJECT. */)
2992 Lisp_Object font_object
;
2997 CHECK_FONT_GET_OBJECT (font_object
, font
);
2999 val
= Fmake_vector (make_number (9), Qnil
);
3000 ASET (val
, 0, Ffont_xlfd_name (font_object
));
3001 if (font
->file_name
)
3002 ASET (val
, 1, make_unibyte_string (font
->file_name
,
3003 strlen (font
->file_name
)));
3004 ASET (val
, 2, make_number (font
->pixel_size
));
3005 ASET (val
, 3, make_number (font
->font
.size
));
3006 ASET (val
, 4, make_number (font
->ascent
));
3007 ASET (val
, 5, make_number (font
->descent
));
3008 ASET (val
, 6, make_number (font
->font
.space_width
));
3009 ASET (val
, 7, make_number (font
->font
.average_width
));
3010 if (font
->driver
->otf_capability
)
3011 ASET (val
, 8, font
->driver
->otf_capability (font
));
3015 DEFUN ("get-font-glyphs", Fget_font_glyphs
, Sget_font_glyphs
, 2, 2, 0,
3016 doc
: /* Return a vector of glyphs of FONT-OBJECT for drawing STRING.
3017 Each element is a vector [GLYPH-CODE LBEARING RBEARING WIDTH ASCENT DESCENT]. */)
3018 (font_object
, string
)
3019 Lisp_Object font_object
, string
;
3025 CHECK_FONT_GET_OBJECT (font_object
, font
);
3026 CHECK_STRING (string
);
3027 len
= SCHARS (string
);
3028 vec
= Fmake_vector (make_number (len
), Qnil
);
3029 for (i
= 0; i
< len
; i
++)
3031 Lisp_Object ch
= Faref (string
, make_number (i
));
3035 struct font_metrics metrics
;
3037 code
= font
->driver
->encode_char (font
, c
);
3038 if (code
== FONT_INVALID_CODE
)
3040 val
= Fmake_vector (make_number (6), Qnil
);
3041 if (code
<= MOST_POSITIVE_FIXNUM
)
3042 ASET (val
, 0, make_number (code
));
3044 ASET (val
, 0, Fcons (make_number (code
>> 16),
3045 make_number (code
& 0xFFFF)));
3046 font
->driver
->text_extents (font
, &code
, 1, &metrics
);
3047 ASET (val
, 1, make_number (metrics
.lbearing
));
3048 ASET (val
, 2, make_number (metrics
.rbearing
));
3049 ASET (val
, 3, make_number (metrics
.width
));
3050 ASET (val
, 4, make_number (metrics
.ascent
));
3051 ASET (val
, 5, make_number (metrics
.descent
));
3058 DEFUN ("draw-string", Fdraw_string
, Sdraw_string
, 2, 2, 0,
3059 doc
: /* Draw STRING by FONT-OBJECT on the top left corner of the current frame.
3060 The value is a number of glyphs drawn.
3061 Type C-l to recover what previously shown. */)
3062 (font_object
, string
)
3063 Lisp_Object font_object
, string
;
3065 Lisp_Object frame
= selected_frame
;
3066 FRAME_PTR f
= XFRAME (frame
);
3072 CHECK_FONT_GET_OBJECT (font_object
, font
);
3073 CHECK_STRING (string
);
3074 len
= SCHARS (string
);
3075 code
= alloca (sizeof (unsigned) * len
);
3076 for (i
= 0; i
< len
; i
++)
3078 Lisp_Object ch
= Faref (string
, make_number (i
));
3082 code
[i
] = font
->driver
->encode_char (font
, c
);
3083 if (code
[i
] == FONT_INVALID_CODE
)
3086 face
= FACE_FROM_ID (f
, DEFAULT_FACE_ID
);
3088 if (font
->driver
->prepare_face
)
3089 font
->driver
->prepare_face (f
, face
);
3090 width
= font
->driver
->text_extents (font
, code
, i
, NULL
);
3091 len
= font
->driver
->draw_text (f
, face
, 0, font
->ascent
, code
, i
, width
);
3092 if (font
->driver
->done_face
)
3093 font
->driver
->done_face (f
, face
);
3095 return make_number (len
);
3099 #endif /* FONT_DEBUG */
3102 extern void syms_of_ftfont
P_ (());
3103 extern void syms_of_xfont
P_ (());
3104 extern void syms_of_xftfont
P_ (());
3105 extern void syms_of_ftxfont
P_ (());
3106 extern void syms_of_bdffont
P_ (());
3107 extern void syms_of_w32font
P_ (());
3108 extern void syms_of_atmfont
P_ (());
3113 sort_shift_bits
[FONT_SLANT_INDEX
] = 0;
3114 sort_shift_bits
[FONT_WEIGHT_INDEX
] = 7;
3115 sort_shift_bits
[FONT_SIZE_INDEX
] = 14;
3116 sort_shift_bits
[FONT_WIDTH_INDEX
] = 21;
3117 sort_shift_bits
[FONT_ADSTYLE_INDEX
] = 28;
3118 sort_shift_bits
[FONT_FOUNDRY_INDEX
] = 29;
3119 sort_shift_bits
[FONT_FAMILY_INDEX
] = 30;
3120 sort_shift_bits
[FONT_REGISTRY_INDEX
] = 31;
3121 /* Note that sort_shift_bits[FONT_SLANT_TYPE] is never used. */
3123 staticpro (&font_style_table
);
3124 font_style_table
= Fmake_vector (make_number (3), Qnil
);
3126 staticpro (&font_family_alist
);
3127 font_family_alist
= Qnil
;
3129 DEFSYM (Qfontp
, "fontp");
3131 DEFSYM (Qiso8859_1
, "iso8859-1");
3132 DEFSYM (Qiso10646_1
, "iso10646-1");
3133 DEFSYM (Qunicode_bmp
, "unicode-bmp");
3135 DEFSYM (QCotf
, ":otf");
3136 DEFSYM (QClanguage
, ":language");
3137 DEFSYM (QCscript
, ":script");
3139 DEFSYM (QCfoundry
, ":foundry");
3140 DEFSYM (QCadstyle
, ":adstyle");
3141 DEFSYM (QCregistry
, ":registry");
3142 DEFSYM (QCspacing
, ":spacing");
3143 DEFSYM (QCdpi
, ":dpi");
3144 DEFSYM (QCextra
, ":extra");
3146 staticpro (&null_string
);
3147 null_string
= build_string ("");
3148 staticpro (&null_vector
);
3149 null_vector
= Fmake_vector (make_number (0), Qnil
);
3151 staticpro (&scratch_font_spec
);
3152 scratch_font_spec
= Ffont_spec (0, NULL
);
3153 staticpro (&scratch_font_prefer
);
3154 scratch_font_prefer
= Ffont_spec (0, NULL
);
3157 defsubr (&Sfont_spec
);
3158 defsubr (&Sfont_get
);
3159 defsubr (&Sfont_put
);
3160 defsubr (&Slist_fonts
);
3161 defsubr (&Slist_families
);
3162 defsubr (&Sfind_font
);
3163 defsubr (&Sfont_xlfd_name
);
3164 defsubr (&Sclear_font_cache
);
3165 defsubr (&Sinternal_set_font_style_table
);
3166 defsubr (&Sfont_make_gstring
);
3167 defsubr (&Sfont_fill_gstring
);
3170 defsubr (&Sopen_font
);
3171 defsubr (&Sclose_font
);
3172 defsubr (&Squery_font
);
3173 defsubr (&Sget_font_glyphs
);
3175 defsubr (&Sdraw_string
);
3177 #endif /* FONT_DEBUG */
3179 #ifdef HAVE_FREETYPE
3181 #ifdef HAVE_X_WINDOWS
3186 #endif /* HAVE_XFT */
3187 #endif /* HAVE_X_WINDOWS */
3188 #else /* not HAVE_FREETYPE */
3189 #ifdef HAVE_X_WINDOWS
3191 #endif /* HAVE_X_WINDOWS */
3192 #endif /* not HAVE_FREETYPE */
3195 #endif /* HAVE_BDFFONT */
3198 #endif /* WINDOWSNT */
3204 /* arch-tag: 74c9475d-5976-4c93-a327-942ae3072846
3205 (do not change this comment) */