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[repacker] Implement MarkArray::clone.

This commit is contained in:
Garret Rieger 2022-08-11 22:21:28 +00:00
parent 0083fd109c
commit 5ea3c0be8f
2 changed files with 26 additions and 3 deletions
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2
src/OT/Layout/GPOS/MarkRecord.hh
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@ -9,7 +9,7 @@ struct MarkRecord
{
friend struct MarkArray;
protected:
public:
HBUINT16 klass; /* Class defined for this mark */
Offset16To<Anchor>
markAnchor; /* Offset to Anchor table--from

27
src/graph/markbasepos-graph.hh
View File

@ -66,8 +66,31 @@ struct MarkArray : public OT::Layout::GPOS_impl::MarkArray
const hb_hashmap_t<unsigned, unsigned>& pos_to_index,
hb_set_t& marks)
{
// TODO
return -1;
unsigned size = MarkArray::min_size +
OT::Layout::GPOS_impl::MarkRecord::static_size *
marks.get_population ();
unsigned prime_id = c.create_node (size);
if (prime_id == (unsigned) -1) return -1;
MarkArray* prime = (MarkArray*) c.graph.object (prime_id).head;
prime->len = marks.get_population ();
unsigned i = 0;
for (hb_codepoint_t mark : marks)
{
(*prime)[i].klass = (*this)[mark].klass;
unsigned offset_pos = (char*) &((*this)[mark].markAnchor) - (char*) this;
unsigned* anchor_index;
if (pos_to_index.has (offset_pos, &anchor_index))
c.graph.move_child (this_index,
&((*this)[mark].markAnchor),
prime_id,
&((*prime)[i].markAnchor));
i++;
}
return prime_id;
}
};