diff options
Diffstat (limited to 'tex/generic/context/luatex-fonts-merged.lua')
| -rw-r--r-- | tex/generic/context/luatex-fonts-merged.lua | 180 |
1 files changed, 86 insertions, 94 deletions
diff --git a/tex/generic/context/luatex-fonts-merged.lua b/tex/generic/context/luatex-fonts-merged.lua index 800d3d525..0a4a179c7 100644 --- a/tex/generic/context/luatex-fonts-merged.lua +++ b/tex/generic/context/luatex-fonts-merged.lua @@ -1,6 +1,6 @@ --- merged file : c:/data/develop/context/texmf/tex/generic/context/luatex-fonts-merged.lua --- parent file : c:/data/develop/context/texmf/tex/generic/context/luatex-fonts.lua --- merge date : 03/12/10 19:55:31 +-- merged file : luatex-fonts-merged.lua +-- parent file : luatex-fonts.lua +-- merge date : 03/18/10 14:42:03 do -- begin closure to overcome local limits and interference @@ -1433,7 +1433,9 @@ function file.removesuffix(filename) end function file.addsuffix(filename, suffix) - if not find(filename,"%.[%a%d]+$") then + if not suffix or suffix == "" then + return filename + elseif not find(filename,"%.[%a%d]+$") then return filename .. "." .. suffix else return filename @@ -2339,7 +2341,7 @@ end nodes.count = count --- new +-- new, will move function attributes.ofnode(n) local a = n.attr @@ -2484,6 +2486,48 @@ function nodes.latelua(code) return n end +--[[ +<p>At some point we ran into a problem that the glue specification +of the zeropoint dimension was overwritten when adapting a glue spec +node. This is a side effect of glue specs being shared. After a +couple of hours tracing and debugging Taco and I came to the +conclusion that it made no sense to complicate the spec allocator +and settled on a writable flag. This all is a side effect of the +fact that some glues use reserved memory slots (with the zeropoint +glue being a noticeable one). So, next we wrap this into a function +and hide it for the user. And yes, LuaTeX now gives a warning as +well.</p> +]]-- + +if tex.luatexversion > 51 then + + function nodes.writable_spec(n) + local spec = n.spec + if not spec then + spec = copy_node(glue_spec) + n.spec = spec + elseif not spec.writable then + spec = copy_node(spec) + n.spec = spec + end + return spec + end + +else + + function nodes.writable_spec(n) + local spec = n.spec + if not spec then + spec = copy_node(glue_spec) + else + spec = copy_node(spec) + end + n.spec = spec + return spec + end + +end + local cache = { } function nodes.usernumber(num) @@ -3572,29 +3616,21 @@ local charactercache = { } -- a virtual font has italic correction make sure to set the -- has_italic flag. Some more flags will be added in the future. - function tfm.calculate_scale(tfmtable, scaledpoints, relativeid) if scaledpoints < 0 then scaledpoints = (- scaledpoints/1000) * tfmtable.designsize -- already in sp end - local delta = scaledpoints/(tfmtable.units or 1000) -- brr, some open type fonts have 2048 - return scaledpoints, delta + local units = tfmtable.units or 1000 + local delta = scaledpoints/units -- brr, some open type fonts have 2048 + return scaledpoints, delta, units end function tfm.do_scale(tfmtable, scaledpoints, relativeid) -- tfm.prepare_base_kerns(tfmtable) -- optimalization - local scaledpoints, delta = tfm.calculate_scale(tfmtable, scaledpoints, relativeid) - if enable_auto_r_scale and relativeid then -- for the moment this is rather context specific - local relativedata = fontdata[relativeid] - local id_x_height = relativedata and relativedata.parameters and relativedata.parameters.x_height - local tf_x_height = id_x_height and tfmtable.parameters and tfmtable.parameters.x_height * delta - if tf_x_height then - scaledpoints = (id_x_height/tf_x_height) * scaledpoints - delta = scaledpoints/(tfmtable.units or 1000) - end - end + local t = { } -- the new table + local scaledpoints, delta, units = tfm.calculate_scale(tfmtable, scaledpoints, relativeid) + t.units_per_em = units or 1000 local hdelta, vdelta = delta, delta - local t = { } -- unicoded unique descriptions shared cidinfo characters changed parameters indices for k,v in next, tfmtable do if type(v) == "table" then @@ -9726,7 +9762,7 @@ function fonts.methods.node.otf.features(head,font,attr) local ra = rl [attr] if ra == nil then ra = { } rl [attr] = ra end -- attr can be false -- sequences always > 1 so no need for optimization for s=1,#sequences do - local pardir, txtdir = 0, { } + local pardir, txtdir = 0, { } local success = false local sequence = sequences[s] local r = ra[s] -- cache @@ -9752,12 +9788,10 @@ function fonts.methods.node.otf.features(head,font,attr) -- only first attribute match check, so we assume simple fina's -- default can become a font feature itself if l[language] then ---~ valid, what = true, language valid, what = s_e or a_e, language -- elseif l[default] then -- valid, what = true, default elseif l[wildcard] then ---~ valid, what = true, wildcard valid, what = s_e or a_e, wildcard end if valid then @@ -9833,19 +9867,15 @@ function fonts.methods.node.otf.features(head,font,attr) if not lookupcache then report_missing_cache(typ,lookupname) else ---~ print(typ,lookupname,lookupcache,table.serialize(lookupcache)) while start do local id = start.id if id == glyph then ---~ if start.font == font and start.subtype<256 and (not attr or has_attribute(start,0,attr)) and (not attribute or has_attribute(start,state,attribute)) then if start.font == font and start.subtype<256 and has_attribute(start,0,attr) and (not attribute or has_attribute(start,state,attribute)) then local lookupmatch = lookupcache[start.char] if lookupmatch then -- sequence kan weg local ok ---~ print("!!!") start, ok = handler(start,r[4],lookupname,lookupmatch,sequence,featuredata,1) ---~ texio.write_nl(tostring(lookupname),tostring(lookupmatch),tostring(ok)) if ok then success = true end @@ -9870,25 +9900,6 @@ function fonts.methods.node.otf.features(head,font,attr) -- start = start.next -- end elseif id == whatsit then ---~ if subtype == 7 then ---~ local dir = start.dir ---~ if dir == "+TRT" then ---~ rlmode = -1 ---~ elseif dir == "+TLT" then ---~ rlmode = 1 ---~ else ---~ rlmode = 0 ---~ end ---~ elseif subtype == 6 then ---~ local dir = start.dir ---~ if dir == "TRT" then ---~ rlmode = -1 ---~ elseif dir == "TLT" then ---~ rlmode = 1 ---~ else ---~ rlmode = 0 ---~ end ---~ end local subtype = start.subtype if subtype == 7 then local dir = start.dir @@ -9974,59 +9985,40 @@ function fonts.methods.node.otf.features(head,font,attr) -- end elseif id == whatsit then local subtype = start.subtype ---~ if subtype == 7 then ---~ local dir = start.dir ---~ if dir == "+TRT" then ---~ rlmode = -1 ---~ elseif dir == "+TLT" then ---~ rlmode = 1 ---~ else ---~ rlmode = 0 ---~ end ---~ elseif subtype == 6 then ---~ local dir = start.dir ---~ if dir == "TRT" then ---~ rlmode = -1 ---~ elseif dir == "TLT" then ---~ rlmode = 1 ---~ else ---~ rlmode = 0 ---~ end ---~ end - local subtype = start.subtype - if subtype == 7 then - local dir = start.dir - if dir == "+TRT" or dir == "+TLT" then - insert(txtdir,dir) - elseif dir == "-TRT" or dir == "-TLT" then - remove(txtdir) - end - local d = txtdir[#txtdir] - if d == "+TRT" then - rlmode = -1 - elseif d == "+TLT" then - rlmode = 1 - else - rlmode = pardir - end - if trace_directions then - logs.report("fonts","directions after textdir %s: pardir=%s, txtdir=%s:%s, rlmode=%s",dir,pardir,#txtdir,txtdir[#txtdir] or "unset",rlmode) - end - elseif subtype == 6 then - local dir = start.dir - if dir == "TRT" then - pardir = -1 - elseif dir == "TLT" then - pardir = 1 - else - pardir = 0 - end + local subtype = start.subtype + if subtype == 7 then + local dir = start.dir + if dir == "+TRT" or dir == "+TLT" then + insert(txtdir,dir) + elseif dir == "-TRT" or dir == "-TLT" then + remove(txtdir) + end + local d = txtdir[#txtdir] + if d == "+TRT" then + rlmode = -1 + elseif d == "+TLT" then + rlmode = 1 + else rlmode = pardir - --~ txtdir = { } + end if trace_directions then - logs.report("fonts","directions after pardir %s: pardir=%s, txtdir=%s:%s, rlmode=%s",dir,pardir,#txtdir,txtdir[#txtdir] or "unset",rlmode) + logs.report("fonts","directions after textdir %s: pardir=%s, txtdir=%s:%s, rlmode=%s",dir,pardir,#txtdir,txtdir[#txtdir] or "unset",rlmode) end + elseif subtype == 6 then + local dir = start.dir + if dir == "TRT" then + pardir = -1 + elseif dir == "TLT" then + pardir = 1 + else + pardir = 0 end + rlmode = pardir + --~ txtdir = { } + if trace_directions then + logs.report("fonts","directions after pardir %s: pardir=%s, txtdir=%s:%s, rlmode=%s",dir,pardir,#txtdir,txtdir[#txtdir] or "unset",rlmode) + end + end start = start.next else start = start.next |