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[subset] maxp copy writeable fn

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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
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9
src/hb-ot-maxp-table.hh
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@ -64,15 +64,14 @@ struct maxp
inline bool subset (hb_subset_plan_t *plan) const 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)); 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_copy_writable_or_fail (maxp_blob);
hb_blob_t *maxp_prime_blob = hb_blob_create_sub_blob (maxp_blob, 0, -1);
hb_blob_destroy (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_blob)) {
if (unlikely (!maxp_prime)) {
hb_blob_destroy (maxp_prime_blob);
return false; 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); maxp_prime->set_num_glyphs (plan->gids_to_retain_sorted.len);