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[repacker] add extension subtable when needed while adding new PairPos table's.

This commit is contained in:
Garret Rieger 2022-07-28 01:04:37 +00:00
parent 5024d4de67
commit d589ce68ea
1 changed files with 11 additions and 5 deletions
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16
src/graph/gsubgpos-graph.hh
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@ -142,16 +142,17 @@ struct Lookup : public OT::Lookup
+ new_sub_tables.iter() | hb_sink (all_new_subtables);
}
add_sub_tables (c, this_index, all_new_subtables);
add_sub_tables (c, this_index, type, all_new_subtables);
return true;
}
void add_sub_tables (gsubgpos_graph_context_t& c,
unsigned this_index,
unsigned type,
hb_vector_t<unsigned> subtable_indices)
{
// bool is_ext = is_extension (c.table_tag);
bool is_ext = is_extension (c.table_tag);
auto& v = c.graph.vertices_[this_index];
size_t new_size = v.table_size ()
@ -169,7 +170,13 @@ struct Lookup : public OT::Lookup
unsigned offset_index = subTable.len;
for (unsigned subtable_id : subtable_indices)
{
// TODO: add extension subtable if needed
if (is_ext)
{
unsigned ext_id = create_extension_subtable (c, subtable_id, type);
c.graph.vertices_[subtable_id].parents.push (ext_id);
subtable_id = ext_id;
}
auto* link = v.obj.real_links.push ();
link->width = 2;
link->objidx = subtable_id;
@ -180,7 +187,6 @@ struct Lookup : public OT::Lookup
}
unsigned create_extension_subtable (gsubgpos_graph_context_t& c,
unsigned lookup_index,
unsigned subtable_index,
unsigned type)
{
@ -211,7 +217,7 @@ struct Lookup : public OT::Lookup
{
unsigned type = lookupType;
unsigned ext_index = create_extension_subtable(c, lookup_index, subtable_index, type);
unsigned ext_index = create_extension_subtable(c, subtable_index, type);
if (ext_index == (unsigned) -1)
return false;