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Shrink space used for ligature ids 

This frees 16bits in the glyph_info struct during the ot_layout process.
We can use the freed space in the shapers now.
This commit is contained in:
Behdad Esfahbod 2011-07-25 00:36:58 -04:00
parent d8787493c9
commit 18c42850c9
1 changed files with 4 additions and 4 deletions
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8
src/hb-ot-layout-gsubgpos-private.hh
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@ -36,11 +36,11 @@ HB_BEGIN_DECLS
/* buffer var allocations */ /* buffer var allocations */
#define lig_id() var2.u16[0] /* unique ligature id */ #define lig_id() var2.u8[2] /* unique ligature id */
#define lig_comp() var2.u16[1] /* component number in the ligature (0 = base) */ #define lig_comp() var2.u8[3] /* component number in the ligature (0 = base) */
static inline uint16_t allocate_lig_id (hb_buffer_t *buffer) { static inline uint8_t allocate_lig_id (hb_buffer_t *buffer) {
uint16_t lig_id = buffer->next_serial (); uint8_t lig_id = buffer->next_serial ();
if (unlikely (!lig_id)) lig_id = buffer->next_serial (); /* in case of overflow */ if (unlikely (!lig_id)) lig_id = buffer->next_serial (); /* in case of overflow */
return lig_id; return lig_id;
} }