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-rw-r--r--otfl-font-otn.lua281
1 files changed, 146 insertions, 135 deletions
diff --git a/otfl-font-otn.lua b/otfl-font-otn.lua
index e58d773..efafa30 100644
--- a/otfl-font-otn.lua
+++ b/otfl-font-otn.lua
@@ -2275,142 +2275,153 @@ local function prepare_lookups(tfmdata)
-- we can change the otf table after loading but then we need to adapt base mode
-- as well (no big deal)
--
- for unicode, glyph in next, descriptions do
- local lookups = glyph.lookups
- if lookups then
- for lookup, whatever in next, lookups do
- for i=1,#whatever do -- normaly one
- local p = whatever[i]
- local what = p[1]
- if what == 'substitution' then
- local old, new = unicode, unicodes[p[2]]
- if type(new) == "table" then
- new = new[1]
- end
- local s = single[lookup]
- if not s then s = { } single[lookup] = s end
- s[old] = new
---~ if trace_lookups then
---~ logs.report("define otf","lookup %s: substitution %s => %s",lookup,old,new)
---~ end
- break
- elseif what == 'multiple' then
- local old, new = unicode, { }
- local m = multiple[lookup]
- if not m then m = { } multiple[lookup] = m end
- m[old] = new
- for pc in gmatch(p[2],"[^ ]+") do
- local upc = unicodes[pc]
- if type(upc) == "number" then
- new[#new+1] = upc
- else
- new[#new+1] = upc[1]
- end
- end
---~ if trace_lookups then
---~ logs.report("define otf","lookup %s: multiple %s => %s",lookup,old,concat(new," "))
---~ end
+ local action = {
+ substitution = function(p,lookup,k,glyph,unicode)
+ local old, new = unicode, unicodes[p[2]]
+ if type(new) == "table" then
+ new = new[1]
+ end
+ local s = single[lookup]
+ if not s then s = { } single[lookup] = s end
+ s[old] = new
+ --~ if trace_lookups then
+ --~ logs.report("define otf","lookup %s: substitution %s => %s",lookup,old,new)
+ --~ end
+ end,
+ multiple = function (p,lookup,k,glyph,unicode)
+ local old, new = unicode, { }
+ local m = multiple[lookup]
+ if not m then m = { } multiple[lookup] = m end
+ m[old] = new
+ for pc in gmatch(p[2],"[^ ]+") do
+ local upc = unicodes[pc]
+ if type(upc) == "number" then
+ new[#new+1] = upc
+ else
+ new[#new+1] = upc[1]
+ end
+ end
+ --~ if trace_lookups then
+ --~ logs.report("define otf","lookup %s: multiple %s => %s",lookup,old,concat(new," "))
+ --~ end
+ end,
+ alternate = function(p,lookup,k,glyph,unicode)
+ local old, new = unicode, { }
+ local a = alternate[lookup]
+ if not a then a = { } alternate[lookup] = a end
+ a[old] = new
+ for pc in gmatch(p[2],"[^ ]+") do
+ local upc = unicodes[pc]
+ if type(upc) == "number" then
+ new[#new+1] = upc
+ else
+ new[#new+1] = upc[1]
+ end
+ end
+ --~ if trace_lookups then
+ --~ logs.report("define otf","lookup %s: alternate %s => %s",lookup,old,concat(new,"|"))
+ --~ end
+ end,
+ ligature = function (p,lookup,k,glyph,unicode)
+ --~ if trace_lookups then
+ --~ logs.report("define otf","lookup %s: ligature %s => %s",lookup,p[2],glyph.name)
+ --~ end
+ local first = true
+ local t = ligature[lookup]
+ if not t then t = { } ligature[lookup] = t end
+ for s in gmatch(p[2],"[^ ]+") do
+ if first then
+ local u = unicodes[s]
+ if not u then
+ logs.report("define otf","lookup %s: ligature %s => %s ignored due to invalid unicode",lookup,p[2],glyph.name)
break
- elseif what == 'alternate' then
- local old, new = unicode, { }
- local a = alternate[lookup]
- if not a then a = { } alternate[lookup] = a end
- a[old] = new
- for pc in gmatch(p[2],"[^ ]+") do
- local upc = unicodes[pc]
- if type(upc) == "number" then
- new[#new+1] = upc
- else
- new[#new+1] = upc[1]
- end
+ elseif type(u) == "number" then
+ if not t[u] then
+ t[u] = { { } }
end
---~ if trace_lookups then
---~ logs.report("define otf","lookup %s: alternate %s => %s",lookup,old,concat(new,"|"))
---~ end
- break
- elseif what == "ligature" then
---~ if trace_lookups then
---~ logs.report("define otf","lookup %s: ligature %s => %s",lookup,p[2],glyph.name)
---~ end
- local first = true
- local t = ligature[lookup]
- if not t then t = { } ligature[lookup] = t end
- for s in gmatch(p[2],"[^ ]+") do
- if first then
- local u = unicodes[s]
- if not u then
- logs.report("define otf","lookup %s: ligature %s => %s ignored due to invalid unicode",lookup,p[2],glyph.name)
- break
- elseif type(u) == "number" then
- if not t[u] then
- t[u] = { { } }
- end
- t = t[u]
- else
- local tt = t
- local tu
- for i=1,#u do
- local u = u[i]
- if i==1 then
- if not t[u] then
- t[u] = { { } }
- end
- tu = t[u]
- t = tu
- else
- if not t[u] then
- tt[u] = tu
- end
- end
- end
+ t = t[u]
+ else
+ local tt = t
+ local tu
+ for i=1,#u do
+ local u = u[i]
+ if i==1 then
+ if not t[u] then
+ t[u] = { { } }
end
- first = false
+ tu = t[u]
+ t = tu
else
- s = unicodes[s]
- local t1 = t[1]
- if not t1[s] then
- t1[s] = { { } }
+ if not t[u] then
+ tt[u] = tu
end
- t = t1[s]
end
end
- t[2] = unicode
- elseif what == 'position' then
- -- not used
- local s = position[lookup]
- if not s then s = { } position[lookup] = s end
- s[unicode] = p[2] -- direct pointer to kern spec
- elseif what == 'pair' then
- local s = pair[lookup]
- if not s then s = { } pair[lookup] = s end
- local others = s[unicode]
- if not others then others = { } s[unicode] = others end
- -- todo: fast check for space
- local two = p[2]
- local upc = unicodes[two]
- if not upc then
- for pc in gmatch(two,"[^ ]+") do
- local upc = unicodes[pc]
- if type(upc) == "number" then
- others[upc] = p -- direct pointer to main table
- else
- for i=1,#upc do
- others[upc[i]] = p -- direct pointer to main table
- end
- end
- end
- elseif type(upc) == "number" then
- others[upc] = p -- direct pointer to main table
- else
- for i=1,#upc do
- others[upc[i]] = p -- direct pointer to main table
- end
+ end
+ first = false
+ else
+ s = unicodes[s]
+ local t1 = t[1]
+ if not t1[s] then
+ t1[s] = { { } }
+ end
+ t = t1[s]
+ end
+ end
+ t[2] = unicode
+ end,
+ position = function(p,lookup,k,glyph,unicode)
+ -- not used
+ local s = position[lookup]
+ if not s then s = { } position[lookup] = s end
+ s[unicode] = p[2] -- direct pointer to kern spec
+ end,
+ pair = function(p,lookup,k,glyph,unicode)
+ local s = pair[lookup]
+ if not s then s = { } pair[lookup] = s end
+ local others = s[unicode]
+ if not others then others = { } s[unicode] = others end
+ -- todo: fast check for space
+ local two = p[2]
+ local upc = unicodes[two]
+ if not upc then
+ for pc in gmatch(two,"[^ ]+") do
+ local upc = unicodes[pc]
+ if type(upc) == "number" then
+ others[upc] = p -- direct pointer to main table
+ else
+ for i=1,#upc do
+ others[upc[i]] = p -- direct pointer to main table
end
---~ if trace_lookups then
---~ logs.report("define otf","lookup %s: pair for U+%04X",lookup,unicode)
---~ end
end
end
+ elseif type(upc) == "number" then
+ others[upc] = p -- direct pointer to main table
+ else
+ for i=1,#upc do
+ others[upc[i]] = p -- direct pointer to main table
+ end
+ end
+ --~ if trace_lookups then
+ --~ logs.report("define otf","lookup %s: pair for U+%04X",lookup,unicode)
+ --~ end
+ end,
+ }
+ --
+ for unicode, glyph in next, descriptions do
+ local lookups = glyph.slookups
+ if lookups then
+ for lookup, p in next, lookups do
+ action[p[1]](p,lookup,k,glyph,unicode)
+ end
+ end
+ local lookups = glyph.mlookups
+ if lookups then
+ for lookup, whatever in next, lookups do
+ for i=1,#whatever do -- normaly one
+ local p = whatever[i]
+ action[p[1]](p,lookup,k,glyph,unicode)
+ end
end
end
local list = glyph.mykerns
@@ -2419,9 +2430,9 @@ local function prepare_lookups(tfmdata)
local k = kerns[lookup]
if not k then k = { } kerns[lookup] = k end
k[unicode] = krn -- ref to glyph, saves lookup
---~ if trace_lookups then
---~ logs.report("define otf","lookup %s: kern for U+%04X",lookup,unicode)
---~ end
+ --~ if trace_lookups then
+ --~ logs.report("define otf","lookup %s: kern for U+%04X",lookup,unicode)
+ --~ end
end
end
local oanchor = glyph.anchors
@@ -2435,9 +2446,9 @@ local function prepare_lookups(tfmdata)
local f = mark[lookup]
if not f then f = { } mark[lookup] = f end
f[unicode] = anchors -- ref to glyph, saves lookup
---~ if trace_lookups then
---~ logs.report("define otf","lookup %s: mark anchor %s for U+%04X",lookup,name,unicode)
---~ end
+ --~ if trace_lookups then
+ --~ logs.report("define otf","lookup %s: mark anchor %s for U+%04X",lookup,name,unicode)
+ --~ end
end
end
end
@@ -2449,9 +2460,9 @@ local function prepare_lookups(tfmdata)
local f = cursive[lookup]
if not f then f = { } cursive[lookup] = f end
f[unicode] = anchors -- ref to glyph, saves lookup
---~ if trace_lookups then
---~ logs.report("define otf","lookup %s: exit anchor %s for U+%04X",lookup,name,unicode)
---~ end
+ --~ if trace_lookups then
+ --~ logs.report("define otf","lookup %s: exit anchor %s for U+%04X",lookup,name,unicode)
+ --~ end
end
end
end
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 02:34:11 +0000