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[gvar] Micro-optimize int types

This commit is contained in:
Behdad Esfahbod 2022-11-22 13:02:38 -07:00
parent 4afcdf675b
commit 1e8a342ea2
1 changed files with 10 additions and 10 deletions
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20
src/hb-ot-var-gvar-table.hh
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@ -281,7 +281,7 @@ struct GlyphVariationData
if (unlikely (p + 1 > end)) return false; if (unlikely (p + 1 > end)) return false;
uint16_t count = *p++; unsigned count = *p++;
if (count & POINTS_ARE_WORDS) if (count & POINTS_ARE_WORDS)
{ {
if (unlikely (p + 1 > end)) return false; if (unlikely (p + 1 > end)) return false;
@ -290,13 +290,13 @@ struct GlyphVariationData
if (unlikely (!points.resize (count, false))) return false; if (unlikely (!points.resize (count, false))) return false;
unsigned int n = 0; unsigned int n = 0;
uint16_t i = 0; unsigned i = 0;
while (i < count) while (i < count)
{ {
if (unlikely (p + 1 > end)) return false; if (unlikely (p + 1 > end)) return false;
uint16_t j; unsigned j;
uint8_t control = *p++; unsigned control = *p++;
uint16_t run_count = (control & POINT_RUN_COUNT_MASK) + 1; unsigned run_count = (control & POINT_RUN_COUNT_MASK) + 1;
if (control & POINTS_ARE_WORDS) if (control & POINTS_ARE_WORDS)
{ {
if (unlikely (p + run_count * HBUINT16::static_size > end)) return false; if (unlikely (p + run_count * HBUINT16::static_size > end)) return false;
@ -332,14 +332,14 @@ struct GlyphVariationData
DELTA_RUN_COUNT_MASK = 0x3F DELTA_RUN_COUNT_MASK = 0x3F
}; };
unsigned int i = 0; unsigned i = 0;
unsigned int count = deltas.length; unsigned count = deltas.length;
while (i < count) while (i < count)
{ {
if (unlikely (p + 1 > end)) return false; if (unlikely (p + 1 > end)) return false;
uint8_t control = *p++; unsigned control = *p++;
unsigned int run_count = (control & DELTA_RUN_COUNT_MASK) + 1; unsigned run_count = (control & DELTA_RUN_COUNT_MASK) + 1;
unsigned int j; unsigned j;
if (control & DELTAS_ARE_ZERO) if (control & DELTAS_ARE_ZERO)
for (j = 0; j < run_count && i < count; j++, i++) for (j = 0; j < run_count && i < count; j++, i++)
deltas.arrayZ[i] = 0; deltas.arrayZ[i] = 0;