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fixed off-by-one error in CFF1 Encoding lookup

This commit is contained in:
Michiharu Ariza 2018-11-07 09:09:13 -08:00
parent 7b21319edf
commit 7fed7d80f7
1 changed files with 4 additions and 0 deletions
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4
src/hb-ot-cff1-table.hh
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@ -64,6 +64,8 @@ struct Encoding0 {
inline hb_codepoint_t get_code (hb_codepoint_t glyph) const inline hb_codepoint_t get_code (hb_codepoint_t glyph) const
{ {
assert (glyph > 0);
glyph--;
if (glyph < nCodes) if (glyph < nCodes)
{ {
return (hb_codepoint_t)codes[glyph]; return (hb_codepoint_t)codes[glyph];
@ -106,6 +108,8 @@ struct Encoding1 {
inline hb_codepoint_t get_code (hb_codepoint_t glyph) const inline hb_codepoint_t get_code (hb_codepoint_t glyph) const
{ {
assert (glyph > 0);
glyph--;
for (unsigned int i = 0; i < nRanges; i++) for (unsigned int i = 0; i < nRanges; i++)
{ {
if (glyph <= ranges[i].nLeft) if (glyph <= ranges[i].nLeft)