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Fix two TODOs

This commit is contained in:
Behdad Esfahbod 2019-04-24 10:01:30 -04:00
parent 11ab889a8d
commit 00a00bc1f2
1 changed files with 5 additions and 6 deletions
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11
src/hb-ot-layout-gsub-table.hh
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@ -90,7 +90,7 @@ struct SingleSubstFormat1
TRACE_SERIALIZE (this);
if (unlikely (!c->extend_min (*this))) return_trace (false);
if (unlikely (!coverage.serialize (c, this).serialize (c, glyphs))) return_trace (false);
deltaGlyphID = delta; /* TODO(serialize) overflow? */
c->propagate_error ((deltaGlyphID = delta) == delta);
return_trace (true);
}
@ -231,15 +231,14 @@ struct SingleSubst
{
TRACE_SERIALIZE (this);
if (unlikely (!c->extend_min (u.format))) return_trace (false);
unsigned int format = 2;
int delta = 0;
unsigned format = 2;
unsigned delta = 0;
if (glyphs.length)
{
format = 1;
/* TODO(serialize) check for wrap-around */
delta = substitutes[0] - glyphs[0];
delta = (unsigned) (substitutes[0] - glyphs[0]) & 0xFFFF;
for (unsigned int i = 1; i < glyphs.length; i++)
if (delta != (int) (substitutes[i] - glyphs[i])) {
if (delta != ((unsigned) (substitutes[i] - glyphs[i]) & 0xFFFF)) {
format = 2;
break;
}