procyberian/emacs
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

(CHAR_VARIATION_SELECTOR_P): New macro.

Browse source 
(CHAR_SURROGATE_PAIR_P): New macro.
This commit is contained in:
Kenichi Handa 2008-12-30 23:42:40 +00:00
parent 78a2f9cd53
commit c19cab20a1
2 changed files with 39 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

19
src/ChangeLog
View file

@ -1,3 +1,22 @@
2008-12-30 Kenichi Handa <handa@m17n.org>
* character.h (CHAR_VARIATION_SELECTOR_P): New macro.
(CHAR_SURROGATE_PAIR_P): New macro.
* font.h (struct font_driver): New member get_variation_glyphs.
* font.c (font_range): Don't require a font for a variation
selector.
(Ffont_variation_glyphs): New function.
(syms_of_font): Defsubr it.
* ftfont.c (ftfont_driver): Set the member get_variation_glyphs to
ftfont_variation_glyphs.
(setup_otf_gstring): New function.
(ftfont_drive_otf): Use it.
(ftfont_shape_by_flt): Handle variation selector.
(ftfont_variation_glyphs): New function.
2008-12-30 Martin Rudalics <rudalics@gmx.at>
* frame.c (Vemacs_iconified): Remove.

20
src/character.h
View file

@ -610,6 +610,26 @@ extern char unibyte_has_multibyte_table[256];
? ASCII_CHAR_WIDTH (c) \
: XINT (CHAR_TABLE_REF (Vchar_width_table, c)))
/* If C is a variation selector, return the index numnber of the
variation selector (1..256). Otherwise, return 0. */
#define CHAR_VARIATION_SELECTOR_P(c) \
((c) < 0xFE00 ? 0 \
: (c) <= 0xFE0F ? (c) - 0xFE00 + 1 \
: (c) < 0xE0100 ? 0 \
: (c) <= 0xE01EF ? (c) - 0xE0100 + 17 \
: 0)
/* If C is a high surrogate, return 1. If C is a low surrogate,
return 0. Otherwise, return 0. */
#define CHAR_SURROGATE_PAIR_P(c) \
((c) < 0xD800 ? 0 \
: (c) <= 0xDBFF ? 1 \
: (c) <= 0xDFFF ? 2 \
: 0)
extern int char_resolve_modifier_mask P_ ((int));
extern int char_string P_ ((unsigned, unsigned char *));
extern int string_char P_ ((const unsigned char *,