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[kerx] Skip variation subtables

This commit is contained in:
Behdad Esfahbod 2018-10-10 17:32:32 -04:00
parent 1e8fdd285f
commit 44f09afd5b
1 changed files with 7 additions and 7 deletions
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14
src/hb-aat-layout-kerx-table.hh
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@ -312,21 +312,21 @@ struct kerx
{ {
bool reverse; bool reverse;
if (table->coverage & (KerxTable::CrossStream | KerxTable::Variation))
goto skip; /* We do NOT handle cross-stream or variation kerning. */
if (HB_DIRECTION_IS_VERTICAL (c->buffer->props.direction) != if (HB_DIRECTION_IS_VERTICAL (c->buffer->props.direction) !=
bool (table->coverage & KerxTable::Vertical)) bool (table->coverage & KerxTable::Vertical))
goto skip; goto skip;
if (table->coverage & KerxTable::CrossStream)
goto skip; /* We do NOT handle cross-stream kerning. None of Apple fonts use it. */
reverse = bool (table->coverage & KerxTable::Backwards) != reverse = bool (table->coverage & KerxTable::Backwards) !=
HB_DIRECTION_IS_BACKWARD (c->buffer->props.direction); HB_DIRECTION_IS_BACKWARD (c->buffer->props.direction);
if (!c->buffer->message (c->font, "start kerx subtable %d", c->lookup_index)) if (!c->buffer->message (c->font, "start kerx subtable %d", c->lookup_index))
goto skip; goto skip;
if (reverse) if (reverse)
c->buffer->reverse (); c->buffer->reverse ();
c->sanitizer.set_object (*table); c->sanitizer.set_object (*table);
@ -337,7 +337,7 @@ struct kerx
table->dispatch (c); table->dispatch (c);
if (reverse) if (reverse)
c->buffer->reverse (); c->buffer->reverse ();
(void) c->buffer->message (c->font, "end kerx subtable %d", c->lookup_index); (void) c->buffer->message (c->font, "end kerx subtable %d", c->lookup_index);