[subset] maxp copy writeable fn

This commit is contained in:
Rod Sheeter 2018-02-14 19:14:01 -08:00
parent 1efecd965f
commit 2d6b1e2af7
1 changed files with 4 additions and 5 deletions

View File

@ -64,15 +64,14 @@ struct maxp
inline bool subset (hb_subset_plan_t *plan) const
{
hb_blob_t *maxp_blob = OT::Sanitizer<OT::maxp>().sanitize (hb_face_reference_table (plan->source, HB_OT_TAG_maxp));
// TODO(grieger): hb_blob_copy_writable_or_fail
hb_blob_t *maxp_prime_blob = hb_blob_create_sub_blob (maxp_blob, 0, -1);
hb_blob_t *maxp_prime_blob = hb_blob_copy_writable_or_fail (maxp_blob);
hb_blob_destroy (maxp_blob);
OT::maxp *maxp_prime = (OT::maxp *) hb_blob_get_data_writable (maxp_prime_blob, nullptr);
if (unlikely (!maxp_prime)) {
hb_blob_destroy (maxp_prime_blob);
if (unlikely (!maxp_prime_blob)) {
return false;
}
unsigned int length;
OT::maxp *maxp_prime = (OT::maxp *) hb_blob_get_data (maxp_prime_blob, &length);
maxp_prime->set_num_glyphs (plan->gids_to_retain_sorted.len);