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[cff] Micro-optimize CFFIndex::operator[]

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This commit is contained in:
Behdad Esfahbod 2023-06-06 17:17:29 -06:00
parent a55d0b8866
commit c6ce1f81ec
1 changed files with 3 additions and 3 deletions
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6
src/hb-ot-cff-common.hh
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@ -167,7 +167,7 @@ struct CFFIndex
}
const unsigned char *data_base () const
{ return (const unsigned char *) this + min_size + offSize.static_size + offset_array_size (); }
{ return (const unsigned char *) this + min_size + offSize.static_size - 1 + offset_array_size (); }
public:
hb_ubytes_t operator [] (unsigned int index) const
@ -178,7 +178,7 @@ struct CFFIndex
unsigned offset1 = offset_at (index + 1);
if (unlikely (offset1 < offset0 || offset1 > offset_at (count)))
return hb_ubytes_t ();
return hb_ubytes_t (data_base () + offset0 - 1, offset1 - offset0);
return hb_ubytes_t (data_base () + offset0, offset1 - offset0);
}
unsigned int get_size () const
@ -196,7 +196,7 @@ struct CFFIndex
(count < count + 1u &&
c->check_struct (&offSize) && offSize >= 1 && offSize <= 4 &&
c->check_array (offsets, offSize, count + 1u) &&
c->check_array ((const HBUINT8*) data_base (), 1, offset_at (count) - 1)))));
c->check_array ((const HBUINT8*) data_base (), 1, offset_at (count))))));
}
public: