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[otlayout] Minor

This commit is contained in:
Behdad Esfahbod 2013-10-16 13:42:18 +02:00
parent 28d5daec94
commit 1a31f9f820
1 changed files with 15 additions and 8 deletions
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23
src/hb-ot-layout-private.hh
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@ -48,26 +48,33 @@
#define unicode_props1() var2.u8[1]
enum {
MASK0_ZWJ = 0x20,
MASK0_ZWNJ = 0x40,
MASK0_IGNORABLE = 0x80,
MASK0_GEN_CAT = 0x1F
};
inline void
_hb_glyph_info_set_unicode_props (hb_glyph_info_t *info, hb_unicode_funcs_t *unicode)
{
info->unicode_props0() = ((unsigned int) unicode->general_category (info->codepoint)) |
(unicode->is_default_ignorable (info->codepoint) ? 0x80 : 0) |
(info->codepoint == 0x200C ? 0x40 : 0) |
(info->codepoint == 0x200D ? 0x20 : 0);
(unicode->is_default_ignorable (info->codepoint) ? MASK0_IGNORABLE : 0) |
(info->codepoint == 0x200C ? MASK0_ZWNJ : 0) |
(info->codepoint == 0x200D ? MASK0_ZWJ : 0);
info->unicode_props1() = unicode->modified_combining_class (info->codepoint);
}
inline void
_hb_glyph_info_set_general_category (hb_glyph_info_t *info, hb_unicode_general_category_t gen_cat)
{
info->unicode_props0() = (unsigned int) gen_cat | ((info->unicode_props0()) & ~0x1F);
info->unicode_props0() = (unsigned int) gen_cat | ((info->unicode_props0()) & ~MASK0_GEN_CAT);
}
inline hb_unicode_general_category_t
_hb_glyph_info_get_general_category (const hb_glyph_info_t *info)
{
return (hb_unicode_general_category_t) (info->unicode_props0() & 0x1F);
return (hb_unicode_general_category_t) (info->unicode_props0() & MASK0_GEN_CAT);
}
inline void
@ -85,19 +92,19 @@ _hb_glyph_info_get_modified_combining_class (const hb_glyph_info_t *info)
inline hb_bool_t
_hb_glyph_info_is_default_ignorable (const hb_glyph_info_t *info)
{
return !!(info->unicode_props0() & 0x80);
return !!(info->unicode_props0() & MASK0_IGNORABLE);
}
inline hb_bool_t
_hb_glyph_info_is_zwnj (const hb_glyph_info_t *info)
{
return !!(info->unicode_props0() & 0x40);
return !!(info->unicode_props0() & MASK0_ZWNJ);
}
inline hb_bool_t
_hb_glyph_info_is_zwj (const hb_glyph_info_t *info)
{
return !!(info->unicode_props0() & 0x20);
return !!(info->unicode_props0() & MASK0_ZWJ);
}