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[unsafe-to-concat] More annotations for MarkLigaturePos

This commit is contained in:
Behdad Esfahbod 2022-01-22 10:33:35 -07:00
parent a575992057
commit 6a7d6d4b64
1 changed files with 10 additions and 2 deletions
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12
src/hb-ot-layout-gpos-table.hh
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@ -2430,14 +2430,22 @@ struct MarkLigPosFormat1
unsigned int j = skippy_iter.idx;
unsigned int lig_index = (this+ligatureCoverage).get_coverage (buffer->info[j].codepoint);
if (lig_index == NOT_COVERED) return_trace (false);
if (lig_index == NOT_COVERED)
{
buffer->unsafe_to_concat_from_outbuffer (skippy_iter.idx, buffer->idx + 1);
return_trace (false);
}
const LigatureArray& lig_array = this+ligatureArray;
const LigatureAttach& lig_attach = lig_array[lig_index];
/* Find component to attach to */
unsigned int comp_count = lig_attach.rows;
if (unlikely (!comp_count)) return_trace (false);
if (unlikely (!comp_count))
{
buffer->unsafe_to_concat_from_outbuffer (skippy_iter.idx, buffer->idx + 1);
return_trace (false);
}
/* We must now check whether the ligature ID of the current mark glyph
* is identical to the ligature ID of the found ligature. If yes, we