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[subset] Apply script list filter when doing layout collection.

This commit is contained in:
Garret Rieger 2022-06-30 20:24:42 +00:00
parent e5c8a2f4e1
commit 41d2c335bc
1 changed files with 11 additions and 14 deletions
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25
src/hb-subset-plan.cc
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@ -136,28 +136,25 @@ static void _collect_layout_indices (hb_subset_plan_t *plan,
features.resize (num_features);
bool retain_all_features = !_filter_tag_list (&features, plan->layout_features);
if (!plan->check_success (!features.in_error ()) || !features)
return;
unsigned num_scripts = table.get_script_count () + 1;
hb_vector_t<hb_tag_t> scripts;
if (!plan->check_success (scripts.resize (num_scripts))) return;
table.get_script_tags (0, &num_scripts, scripts.arrayZ);
scripts.resize (num_scripts);
bool retain_all_scripts = !_filter_tag_list (&scripts, plan->layout_scripts);
if (retain_all_features)
{
// Looking for all features, trigger the faster collection method.
layout_collect_func (plan->source,
T::tableTag,
nullptr,
nullptr,
nullptr,
indices);
if (!plan->check_success (!features.in_error ()) || !features
|| !plan->check_success (!scripts.in_error ()) || !scripts)
return;
}
// The collect function needs a null element to signal end of the array.
features.push (0);
scripts.push (0);
layout_collect_func (plan->source,
T::tableTag,
retain_all_scripts ? nullptr : scripts.arrayZ,
nullptr,
nullptr,
features.arrayZ,
retain_all_features ? nullptr : features.arrayZ,
indices);
}