diff options
| author | Philipp Gesang <phg@phi-gamma.net> | 2016-05-04 21:12:08 +0200 |
|---|---|---|
| committer | Philipp Gesang <phg@phi-gamma.net> | 2016-05-04 21:12:11 +0200 |
| commit | acd8c47a0c8bda41d1bf57a6bbc9b37b83065f6c (patch) | |
| tree | 99bb745a016dac105c5e7ab8bf44737f3123ba7d /src | |
| parent | 766978d24919fef28e12a8c4239c96e92dc349a5 (diff) | |
| download | luaotfload-acd8c47a0c8bda41d1bf57a6bbc9b37b83065f6c.tar.gz | |
[letterspace] fix crash in kerning by keeping the default on failed lookup
With commit 8c0dd0ebbedd kern accesses were fixed but the results never
tested for the lookup, which caused the default which is set up before
to be nil’ed. Fix this by reusing the value we initialized the kern
factor to.
Diffstat (limited to 'src')
| -rw-r--r-- | src/luaotfload-letterspace.lua | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/luaotfload-letterspace.lua b/src/luaotfload-letterspace.lua index 21a9136..78df1d7 100644 --- a/src/luaotfload-letterspace.lua +++ b/src/luaotfload-letterspace.lua @@ -413,7 +413,7 @@ kerncharacters = function (head) else local kern = 0 local kerns = prevchardata.kerns - if kerns then kern = kerns[lastchar] end + if kerns then kern = kerns[lastchar] or kern end krn = kern + quaddata[lastfont]*krn -- here insert_node_before(head,start,kern_injector(fillup,krn)) end @@ -488,7 +488,7 @@ kerncharacters = function (head) --- font doesn’t contain the glyph else local kerns = prevchardata.kerns - if kerns then kern = kerns[lastchar] end + if kerns then kern = kerns[lastchar] or kern end end end krn = kern + quaddata[lastfont]*krn -- here |