diff options
Diffstat (limited to 'otfl-font-otb.lua')
| -rw-r--r-- | otfl-font-otb.lua | 82 |
1 files changed, 66 insertions, 16 deletions
diff --git a/otfl-font-otb.lua b/otfl-font-otb.lua index 675c124..a684580 100644 --- a/otfl-font-otb.lua +++ b/otfl-font-otb.lua @@ -279,6 +279,47 @@ function prepare_base_substitutions(tfmdata,kind,value) -- we can share some cod end end +--~ local function prepare_base_kerns(tfmdata,kind,value) -- todo what kind of kerns, currently all +--~ if value then +--~ local otfdata = tfmdata.shared.otfdata +--~ local validlookups, lookuplist = collect_lookups(otfdata,kind,tfmdata.script,tfmdata.language) +--~ if validlookups then +--~ local unicodes = tfmdata.unicodes -- names to unicodes +--~ local indices = tfmdata.indices +--~ local characters = tfmdata.characters +--~ local descriptions = tfmdata.descriptions +--~ for u, chr in next, characters do +--~ local d = descriptions[u] +--~ if d then +--~ local dk = d.mykerns +--~ if dk then +--~ local t, done = chr.kerns or { }, false +--~ for l=1,#lookuplist do +--~ local lookup = lookuplist[l] +--~ local kerns = dk[lookup] +--~ if kerns then +--~ for k, v in next, kerns do +--~ if v ~= 0 and not t[k] then -- maybe no 0 test here +--~ t[k], done = v, true +--~ if trace_baseinit and trace_kerns then +--~ logs.report("define otf","%s: base kern %s + %s => %s",cref(kind,lookup),gref(descriptions,u),gref(descriptions,k),v) +--~ end +--~ end +--~ end +--~ end +--~ end +--~ if done then +--~ chr.kerns = t -- no empty assignments +--~ end +--~ -- elseif d.kerns then +--~ -- logs.report("define otf","%s: invalid mykerns for %s",cref(kind),gref(descriptions,u)) +--~ end +--~ end +--~ end +--~ end +--~ end +--~ end + local function prepare_base_kerns(tfmdata,kind,value) -- todo what kind of kerns, currently all if value then local otfdata = tfmdata.shared.otfdata @@ -288,31 +329,40 @@ local function prepare_base_kerns(tfmdata,kind,value) -- todo what kind of kerns local indices = tfmdata.indices local characters = tfmdata.characters local descriptions = tfmdata.descriptions + local sharedkerns = { } for u, chr in next, characters do local d = descriptions[u] if d then - local dk = d.mykerns + local dk = d.mykerns -- shared if dk then - local t, done = chr.kerns or { }, false - for l=1,#lookuplist do - local lookup = lookuplist[l] - local kerns = dk[lookup] - if kerns then - for k, v in next, kerns do - if v ~= 0 and not t[k] then -- maybe no 0 test here - t[k], done = v, true - if trace_baseinit and trace_kerns then - logs.report("define otf","%s: base kern %s + %s => %s",cref(kind,lookup),gref(descriptions,u),gref(descriptions,k),v) + local s = sharedkerns[dk] + if s == false then + -- skip + elseif s then + chr.kerns = s + else + local t, done = chr.kerns or { }, false + for l=1,#lookuplist do + local lookup = lookuplist[l] + local kerns = dk[lookup] + if kerns then + for k, v in next, kerns do + if v ~= 0 and not t[k] then -- maybe no 0 test here + t[k], done = v, true + if trace_baseinit and trace_kerns then + logs.report("define otf","%s: base kern %s + %s => %s",cref(kind,lookup),gref(descriptions,u),gref(descriptions,k),v) + end end end end end + if done then + sharedkerns[dk] = t + chr.kerns = t -- no empty assignments + else + sharedkerns[dk] = false + end end - if done then - chr.kerns = t -- no empty assignments - end - -- elseif d.kerns then - -- logs.report("define otf","%s: invalid mykerns for %s",cref(kind),gref(descriptions,u)) end end end |