AuroraMiddleware/harfbuzz
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[config] add HB_NO_OT_SHAPE_FRACTIONS, enabled in HB_LEAN

Browse Source 
Part of https://github.com/harfbuzz/harfbuzz/issues/1652
This commit is contained in:
Behdad Esfahbod 2019-06-19 16:57:48 -07:00
parent eaf4a7364c
commit d84932ba50
3 changed files with 20 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/hb-config.hh
View File

@ -65,6 +65,7 @@
#define HB_NO_NAME
#define HB_NO_OPEN
#define HB_NO_SETLOCALE
#define HB_NO_OT_SHAPE_FRACTIONS
#define HB_NO_SUBSET_LAYOUT
#endif

9
src/hb-ot-shape.cc
View File

@ -101,10 +101,13 @@ hb_ot_shape_planner_t::compile (hb_ot_shape_plan_t &plan,
if (apply_morx)
aat_map.compile (plan.aat_map);
#ifndef HB_NO_OT_SHAPE_FRACTIONS
plan.frac_mask = plan.map.get_1_mask (HB_TAG ('f','r','a','c'));
plan.numr_mask = plan.map.get_1_mask (HB_TAG ('n','u','m','r'));
plan.dnom_mask = plan.map.get_1_mask (HB_TAG ('d','n','o','m'));
plan.has_frac = plan.frac_mask || (plan.numr_mask && plan.dnom_mask);
#endif
plan.rtlm_mask = plan.map.get_1_mask (HB_TAG ('r','t','l','m'));
hb_tag_t kern_tag = HB_DIRECTION_IS_HORIZONTAL (props.direction) ?
HB_TAG ('k','e','r','n') : HB_TAG ('v','k','r','n');
@ -309,10 +312,12 @@ hb_ot_shape_collect_features (hb_ot_shape_planner_t *planner,
break;
}
#ifndef HB_NO_OT_SHAPE_FRACTIONS
/* Automatic fractions. */
map->add_feature (HB_TAG ('f','r','a','c'));
map->add_feature (HB_TAG ('n','u','m','r'));
map->add_feature (HB_TAG ('d','n','o','m'));
#endif
/* Random! */
map->enable_feature (HB_TAG ('r','a','n','d'), F_RANDOM, HB_OT_MAP_MAX_VALUE);
@ -590,6 +595,10 @@ hb_ot_mirror_chars (const hb_ot_shape_context_t *c)
static inline void
hb_ot_shape_setup_masks_fraction (const hb_ot_shape_context_t *c)
{
#ifdef HB_NO_OT_SHAPE_FRACTIONS
return;
#endif
if (!(c->buffer->scratch_flags & HB_BUFFER_SCRATCH_FLAG_HAS_NON_ASCII) ||
!c->plan->has_frac)
return;

10
src/hb-ot-shape.hh
View File

@ -65,14 +65,24 @@ struct hb_ot_shape_plan_t
hb_ot_map_t map;
hb_aat_map_t aat_map;
const void *data;
#ifndef HB_NO_OT_SHAPE_FRACTIONS
hb_mask_t frac_mask, numr_mask, dnom_mask;
#else
static constexpr hb_mask_t frac_mask = 0;
static constexpr hb_mask_t numr_mask = 0;
static constexpr hb_mask_t dnom_mask = 0;
#endif
hb_mask_t rtlm_mask;
hb_mask_t kern_mask;
hb_mask_t trak_mask;
bool requested_kerning : 1;
bool requested_tracking : 1;
#ifndef HB_NO_OT_SHAPE_FRACTIONS
bool has_frac : 1;
#else
static constexpr bool has_frac = false;
#endif
bool has_gpos_mark : 1;
bool zero_marks : 1;
bool fallback_glyph_classes : 1;