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[gvar] Disable initializing vectors when not necessary

This commit is contained in:
Behdad Esfahbod 2022-11-22 10:23:17 -07:00
parent b0d2641186
commit ee9873b5ed
1 changed files with 7 additions and 7 deletions
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14
src/hb-ot-var-gvar-table.hh
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@ -56,7 +56,7 @@ struct contour_point_vector_t : hb_vector_t<contour_point_t>
void extend (const hb_array_t<contour_point_t> &a)
{
unsigned int old_len = length;
if (unlikely (!resize (old_len + a.length)))
if (unlikely (!resize (old_len + a.length, false)))
return;
auto arrayZ = this->arrayZ + old_len;
unsigned count = a.length;
@ -287,7 +287,7 @@ struct GlyphVariationData
if (unlikely (p + 1 > end)) return false;
count = ((count & POINT_RUN_COUNT_MASK) << 8) | *p++;
}
if (unlikely (!points.resize (count))) return false;
if (unlikely (!points.resize (count, false))) return false;
unsigned int n = 0;
uint16_t i = 0;
@ -565,12 +565,12 @@ struct gvar
/* Save original points for inferred delta calculation */
contour_point_vector_t orig_points;
if (unlikely (!orig_points.resize (points.length))) return false;
if (unlikely (!orig_points.resize (points.length, false))) return false;
for (unsigned int i = 0; i < orig_points.length; i++)
orig_points.arrayZ[i] = points.arrayZ[i];
contour_point_vector_t deltas; /* flag is used to indicate referenced point */
if (unlikely (!deltas.resize (points.length))) return false;
if (unlikely (!deltas.resize (points.length, false))) return false;
hb_vector_t<unsigned> end_points;
for (unsigned i = 0; i < points.length; ++i)
@ -603,13 +603,13 @@ struct gvar
bool apply_to_all = (indices.length == 0);
unsigned int num_deltas = apply_to_all ? points.length : indices.length;
if (unlikely (!x_deltas.resize (num_deltas))) return false;
if (unlikely (!x_deltas.resize (num_deltas, false))) return false;
if (unlikely (!GlyphVariationData::unpack_deltas (p, x_deltas, end))) return false;
if (unlikely (!y_deltas.resize (num_deltas))) return false;
if (unlikely (!y_deltas.resize (num_deltas, false))) return false;
if (unlikely (!GlyphVariationData::unpack_deltas (p, y_deltas, end))) return false;
for (unsigned int i = 0; i < deltas.length; i++)
deltas[i].init ();
deltas.arrayZ[i].init ();
for (unsigned int i = 0; i < num_deltas; i++)
{
unsigned int pt_index = apply_to_all ? i : indices[i];