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drop GDEF, GPOS, GSUB, and dsig

This commit is contained in:
Rod Sheeter 2018-02-12 11:29:23 -08:00
parent 83e1ef9215
commit 692f86e569
1 changed files with 19 additions and 0 deletions
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19
src/hb-subset.cc
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@ -359,6 +359,20 @@ _subset_table (hb_subset_plan_t *plan,
return true;
}
static bool
_should_drop_table(hb_tag_t tag)
{
switch (tag) {
case HB_TAG('G', 'D', 'E', 'F'): /* temporary */
case HB_TAG('G', 'P', 'O', 'S'): /* temporary */
case HB_TAG('G', 'S', 'U', 'B'): /* temporary */
case HB_TAG('d', 's', 'i', 'g'):
return true;
default:
return false;
}
}
/**
* hb_subset:
* @source: font face data to be subset.
@ -386,6 +400,11 @@ hb_subset (hb_face_t *source,
for (unsigned int i = 0; i < count; i++)
{
hb_tag_t tag = table_tags[i];
if (_should_drop_table(tag))
{
DEBUG_MSG(SUBSET, nullptr, "drop %c%c%c%c", HB_UNTAG(tag));
continue;
}
hb_blob_t *blob = hb_face_reference_table (source, tag);
success = success && _subset_table (plan, source, tag, blob, dest);
hb_blob_destroy (blob);