diff options
Diffstat (limited to 'thirdparty/harfbuzz/src/hb-subset.cc')
-rw-r--r-- | thirdparty/harfbuzz/src/hb-subset.cc | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/thirdparty/harfbuzz/src/hb-subset.cc b/thirdparty/harfbuzz/src/hb-subset.cc index 1a0bcbd1fe..6026aa6eff 100644 --- a/thirdparty/harfbuzz/src/hb-subset.cc +++ b/thirdparty/harfbuzz/src/hb-subset.cc @@ -50,11 +50,13 @@ #include "hb-ot-color-cbdt-table.hh" #include "hb-ot-layout-gsub-table.hh" #include "hb-ot-layout-gpos-table.hh" +#include "hb-ot-var-fvar-table.hh" #include "hb-ot-var-gvar-table.hh" #include "hb-ot-var-hvar-table.hh" #include "hb-ot-math-table.hh" #include "hb-ot-stat-table.hh" #include "hb-repacker.hh" +#include "hb-subset-accelerator.hh" using OT::Layout::GSUB; using OT::Layout::GPOS; @@ -475,6 +477,9 @@ _subset_table (hb_subset_plan_t *plan, case HB_OT_TAG_HVAR: return _subset<const OT::HVAR> (plan, buf); case HB_OT_TAG_VVAR: return _subset<const OT::VVAR> (plan, buf); #endif + case HB_OT_TAG_fvar: + if (plan->user_axes_location->is_empty ()) return _passthrough (plan, tag); + return _subset<const OT::fvar> (plan, buf); case HB_OT_TAG_STAT: /*TODO(qxliu): change the condition as we support more complex * instancing operation*/ @@ -490,6 +495,27 @@ _subset_table (hb_subset_plan_t *plan, } } +static void _attach_accelerator_data (const hb_subset_plan_t* plan, + hb_face_t* face /* IN/OUT */) +{ + hb_subset_accelerator_t* accel = + hb_subset_accelerator_t::create (*plan->codepoint_to_glyph, + *plan->unicodes); + + if (accel->in_error ()) + { + hb_subset_accelerator_t::destroy (accel); + return; + } + + if (!hb_face_set_user_data(face, + hb_subset_accelerator_t::user_data_key(), + accel, + hb_subset_accelerator_t::destroy, + true)) + hb_subset_accelerator_t::destroy (accel); +} + /** * hb_subset_or_fail: * @source: font face data to be subset. @@ -572,6 +598,10 @@ hb_subset_plan_execute_or_fail (hb_subset_plan_t *plan) offset += num_tables; } + if (success && plan->attach_accelerator_data) { + _attach_accelerator_data (plan, plan->dest); + } + end: return success ? hb_face_reference (plan->dest) : nullptr; } |