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subset VVAR & outer indices

This commit is contained in:
Michiharu Ariza 2019-02-22 14:53:06 -08:00
parent 2d545e1e86
commit 5d781f62ba
2 changed files with 43 additions and 9 deletions
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49
src/hb-ot-var-hvar-table.hh
View File

@ -122,6 +122,7 @@ struct DeltaSetIndexMap
struct index_map_subset_plan_t
{
void init (const DeltaSetIndexMap &index_map,
hb_map2_t &outer_remap,
hb_vector_t<hb_map2_t> &inner_remaps,
const hb_subset_plan_t *plan)
{
@ -171,6 +172,7 @@ struct index_map_subset_plan_t
unsigned int v = index_map.map (old_gid);
unsigned int outer = v >> 16;
unsigned int inner = v & 0xFFFF;
outer_remap.add (outer);
if (inner > max_inners[outer]) max_inners[outer] = inner;
inner_remaps[outer].add (inner);
}
@ -184,10 +186,12 @@ struct index_map_subset_plan_t
void remap (const hb_subset_plan_t *plan,
const DeltaSetIndexMap *input_map,
const hb_map2_t &outer_remap,
const hb_vector_t<hb_map2_t> &inner_remaps)
{
for (unsigned int i = 0; i < max_inners.length; i++)
{
if (inner_remaps[i].get_count () == 0) continue;
unsigned int bit_count = hb_bit_storage (inner_remaps[i][max_inners[i]]);
if (bit_count > inner_bit_count) inner_bit_count = bit_count;
}
@ -199,7 +203,7 @@ struct index_map_subset_plan_t
(void)plan->old_gid_for_new_gid (gid, &old_gid);
unsigned int v = input_map->map (old_gid);
unsigned int outer = v >> 16;
output_map[gid] = (outer << 16) | (inner_remaps[outer][v & 0xFFFF]);
output_map[gid] = (outer_remap[outer] << 16) | (inner_remaps[outer][v & 0xFFFF]);
}
}
@ -240,13 +244,14 @@ struct hvarvvar_subset_plan_t
inner_remaps[i].init ();
for (unsigned int i = 0; i < index_maps.length; i++)
index_map_plans[i].init (*index_maps[i], inner_remaps, plan);
index_map_plans[i].init (*index_maps[i], outer_remap, inner_remaps, plan);
outer_remap.reorder ();
for (unsigned int i = 0; i < inner_remaps.length; i++)
if (inner_remaps[i].get_count () > 0) inner_remaps[i].reorder ();
for (unsigned int i = 0; i < index_maps.length; i++)
index_map_plans[i].remap (plan, index_maps[i], inner_remaps);
index_map_plans[i].remap (plan, index_maps[i], outer_remap, inner_remaps);
}
void fini (void)
@ -255,6 +260,7 @@ struct hvarvvar_subset_plan_t
index_map_plans.fini_deep ();
}
hb_map2_t outer_remap;
hb_vector_t<hb_map2_t> inner_remaps;
hb_vector_t<index_map_subset_plan_t>
index_map_plans;
@ -294,19 +300,26 @@ struct HVARVVAR
rsbMap.sanitize (c, this));
}
void listup_index_maps (hb_vector_t<const DeltaSetIndexMap *> &index_maps) const
{
index_maps.push (&(this+advMap));
index_maps.push (&(this+lsbMap));
index_maps.push (&(this+rsbMap));
}
bool serialize_index_maps (hb_serialize_context_t *c,
const hb_array_t<index_map_subset_plan_t> &im_plans)
{
TRACE_SUBSET (this);
if (im_plans[ADV_INDEX].get_map_count () == 0)
if (!im_plans[ADV_INDEX].get_map_count ())
advMap.set (0);
else if (unlikely (!advMap.serialize (c, this).serialize (c, im_plans[ADV_INDEX])))
return_trace (false);
if (im_plans[LSB_INDEX].get_map_count () == 0)
if (!im_plans[LSB_INDEX].get_map_count ())
lsbMap.set (0);
else if (unlikely (!lsbMap.serialize (c, this).serialize (c, im_plans[LSB_INDEX])))
return_trace (false);
if (im_plans[RSB_INDEX].get_map_count () == 0)
if (!im_plans[RSB_INDEX].get_map_count ())
rsbMap.set (0);
else if (unlikely (!rsbMap.serialize (c, this).serialize (c, im_plans[RSB_INDEX])))
return_trace (false);
@ -322,9 +335,7 @@ struct HVARVVAR
hb_vector_t<const DeltaSetIndexMap *>
index_maps;
index_maps.push (&(this+advMap));
index_maps.push (&(this+lsbMap));
index_maps.push (&(this+rsbMap));
((T*)this)->listup_index_maps (index_maps);
hvar_plan.init (index_maps.as_array (), this+varStore, c->plan);
T *out = c->serializer->allocate_min<T> ();
@ -380,6 +391,26 @@ struct VVAR : HVARVVAR {
vorgMap.sanitize (c, this));
}
void listup_index_maps (hb_vector_t<const DeltaSetIndexMap *> &index_maps) const
{
HVARVVAR::listup_index_maps (index_maps);
index_maps.push (&(this+vorgMap));
}
bool serialize_index_maps (hb_serialize_context_t *c,
const hb_array_t<index_map_subset_plan_t> &im_plans)
{
TRACE_SUBSET (this);
if (unlikely (!HVARVVAR::serialize_index_maps (c, im_plans)))
return_trace (false);
if (!im_plans[VORG_INDEX].get_map_count ())
vorgMap.set (0);
else if (unlikely (!vorgMap.serialize (c, this).serialize (c, im_plans[VORG_INDEX])))
return_trace (false);
return_trace (true);
}
bool subset (hb_subset_context_t *c) const { return HVARVVAR::_subset<VVAR> (c); }
protected:

3
src/hb-subset.cc
View File

@ -202,6 +202,9 @@ _subset_table (hb_subset_plan_t *plan,
case HB_OT_TAG_HVAR:
result = _subset2<const OT::HVAR> (plan);
break;
case HB_OT_TAG_VVAR:
result = _subset2<const OT::VVAR> (plan);
break;
default:
hb_blob_t *source_table = hb_face_reference_table (plan->source, tag);