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if not modules then modules = { } end modules ['font-dum'] = {
version = 1.001,
comment = "companion to luatex-*.tex",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
fonts = fonts or { }
-- general
fonts.otf.pack = false
fonts.tfm.resolve_vf = false -- no sure about this
-- readers
fonts.tfm.readers = fonts.tfm.readers or { }
fonts.tfm.readers.sequence = { 'otf', 'ttf', 'tfm' }
fonts.tfm.readers.afm = nil
-- define
fonts.define = fonts.define or { }
--~ fonts.define.method = "tfm"
fonts.define.specify.colonized_default_lookup = "name"
function fonts.define.get_specification(str)
return "", str, "", ":", str
end
-- logger
fonts.logger = fonts.logger or { }
function fonts.logger.save()
end
-- names
--
-- Watch out, the version number is the same as the one used in
-- the mtx-fonts.lua function scripts.fonts.names as we use a
-- simplified font database in the plain solution and by using
-- a different number we're less dependent on context.
fonts.names = fonts.names or { }
fonts.names.version = 2.000 -- not the same as in context
fonts.names.basename = "otfl-names.lua"
fonts.names.new_to_old = { }
fonts.names.old_to_new = { }
local data, loaded = nil, false
function fonts.names.resolve(name,sub,style)
if not loaded then
local basename = fonts.names.basename
if basename and basename ~= "" then
for _, format in ipairs { "lua", "tex", "other text files" } do
local foundname = resolvers.find_file(basename,format) or ""
if foundname ~= "" then
data = dofile(foundname)
break
end
end
end
loaded = true
end
if type(data) == "table" and data.version == fonts.names.version then
local condensed = string.gsub(string.lower(name),"[^%a%d]","")
if data.mappings then
local psnames = data.mappings.psnames
local families = data.mappings.families
local family = families and families[condensed]
local psname = psnames and psnames[condensed]
if family then
local style = style or "regular"
family = family[style]
local fontname, filename, subfont = family, family[1], family[2]
if subfont then
return filename, subfont
else
return filename, false
end
elseif psname then
local fontname, filename, subfont = psname, psname[1], psname[2]
if subfont then
return filename, subfont
else
return filename, false
end
else
return name, false -- fallback to filename
end
end
end
end
fonts.names.resolvespec = fonts.names.resolve -- only supported in mkiv
-- For the moment we put this (adapted) pseudo feature here.
table.insert(fonts.triggers,"itlc")
local function itlc(tfmdata,value)
if value then
-- the magic 40 and it formula come from Dohyun Kim
local metadata = tfmdata.shared.otfdata.metadata
if metadata then
local italicangle = metadata.italicangle
if italicangle and italicangle ~= 0 then
local uwidth = (metadata.uwidth or 40)/2
for unicode, d in next, tfmdata.descriptions do
local it = d.boundingbox[3] - d.width + uwidth
if it ~= 0 then
d.italic = it
end
end
tfmdata.has_italic = true
end
end
end
end
fonts.initializers.base.otf.itlc = itlc
fonts.initializers.node.otf.itlc = itlc
function fonts.register_message()
end
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