diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorMatrix.hh')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorMatrix.hh | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorMatrix.hh b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorMatrix.hh index c442efa1ea..2557e9a723 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorMatrix.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Layout/GPOS/AnchorMatrix.hh @@ -8,7 +8,7 @@ namespace GPOS_impl { struct AnchorMatrix { HBUINT16 rows; /* Number of rows */ - UnsizedArrayOf<Offset16To<Anchor>> + UnsizedArrayOf<Offset16To<Anchor, AnchorMatrix>> matrixZ; /* Matrix of offsets to Anchor tables-- * from beginning of AnchorMatrix table */ public: @@ -18,21 +18,31 @@ struct AnchorMatrix { TRACE_SANITIZE (this); if (!c->check_struct (this)) return_trace (false); + hb_barrier (); if (unlikely (hb_unsigned_mul_overflows (rows, cols))) return_trace (false); unsigned int count = rows * cols; if (!c->check_array (matrixZ.arrayZ, count)) return_trace (false); + + if (c->lazy_some_gpos) + return_trace (true); + + hb_barrier (); for (unsigned int i = 0; i < count; i++) if (!matrixZ[i].sanitize (c, this)) return_trace (false); return_trace (true); } - const Anchor& get_anchor (unsigned int row, unsigned int col, - unsigned int cols, bool *found) const + const Anchor& get_anchor (hb_ot_apply_context_t *c, + unsigned int row, unsigned int col, + unsigned int cols, bool *found) const { *found = false; if (unlikely (row >= rows || col >= cols)) return Null (Anchor); - *found = !matrixZ[row * cols + col].is_null (); - return this+matrixZ[row * cols + col]; + auto &offset = matrixZ[row * cols + col]; + if (unlikely (!offset.sanitize (&c->sanitizer, this))) return Null (Anchor); + hb_barrier (); + *found = !offset.is_null (); + return this+offset; } template <typename Iterator, |