diff options
Diffstat (limited to 'tex/generic/context/luatex-fonts.lua')
| -rw-r--r-- | tex/generic/context/luatex-fonts.lua | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/tex/generic/context/luatex-fonts.lua b/tex/generic/context/luatex-fonts.lua new file mode 100644 index 000000000..84acb2b18 --- /dev/null +++ b/tex/generic/context/luatex-fonts.lua @@ -0,0 +1,140 @@ +if not modules then modules = { } end modules ['luatex-fonts'] = { + version = 1.001, + comment = "companion to luatex-fonts.tex", + author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", + copyright = "PRAGMA ADE / ConTeXt Development Team", + license = "see context related readme files" +} + +-- We keep track of load time by storing the current time. That +-- way we cannot be accused of slowing down luading too much. + +local starttime = os.gettimeofday() + +-- As we don't use the ConTeXt file searching, we need to +-- initialize the kpse library. As the progname can be anything +-- we will temporary switch to the ConTeXt namespace if needed. +-- Just adding the context paths to the path specification is +-- somewhat faster + +-- kpse.set_program_name("luatex") + +local ctxkpse = nil +local verbose = true + +local function loadmodule(name,continue) + local foundname = kpse.find_file(name,"tex") or "" + if not foundname then + if not ctxkpse then + ctxkpse = kpse.new("luatex","context") + end + foundname = ctxkpse:find_file(name,"tex") or "" + end + if foundname == "" then + if not continue then + texio.write_nl(string.format(" <luatex-fonts: unable to locate %s>",name)) + os.exit() + end + else + if verbose then + texio.write(string.format(" <%s>",foundname)) -- no file.basename yet + end + dofile(foundname) + end +end + +loadmodule('luatex-fonts-merged.lua',true) -- you might comment this line + +if fonts then + + -- We're using the merged version. That one could be outdated so + -- remove it from your system when you want to use the files from + -- from the ConTeXt tree, or keep your copy of the merged version + -- up to date. + + texio.write_nl("log",[[ + +I am using the merged version of 'luatex-fonts.lua' here. If +you run into problems or experience unexpected behaviour, and +if you have ConTeXt installed you can try to delete the file +'luatex-font-merged.lua' as I might then use the possibly +updated libraries. The merged version is not supported as it +is a frozen instance. + + ]]) + +else + + -- The following helpers are a bit overkill but I don't want to + -- mess up ConTeXt code for the sake of general generality. Around + -- version 1.0 there will be an official api defined. + + loadmodule('l-string.lua') + loadmodule('l-lpeg.lua') + loadmodule('l-boolean.lua') + loadmodule('l-math.lua') + loadmodule('l-table.lua') + loadmodule('l-file.lua') + loadmodule('l-io.lua') + + -- The following modules contain code that is either not used + -- at all outside ConTeXt or will fail when enabled due to + -- lack of other modules. + + -- First we load a few helper modules. This is about the miminum + -- needed to let the font modules do theuir work. + + loadmodule('luat-dum.lua') -- not used in context at all + loadmodule('data-con.lua') -- maybe some day we don't need this one + + -- We do need some basic node support although the following + -- modules contain a little bit of code that is not used. It's + -- not worth weeding. + + loadmodule('node-ini.lua') + loadmodule('node-res.lua') -- will be stripped + loadmodule('node-inj.lua') -- will be replaced (luatex > .50) + loadmodule('node-fnt.lua') + loadmodule('node-dum.lua') + + -- Now come the font modules that deal with traditional TeX fonts + -- as well as open type fonts. We don't load the afm related code + -- from font-enc.lua and font-afm.lua as only ConTeXt deals with + -- it. + -- + -- The font database file (if used at all) must be put someplace + -- visible for kpse and is not shared with ConTeXt. The mtx-fonts + -- script can be used to genate this file (using the --names + -- option). + + loadmodule('font-ini.lua') + loadmodule('font-tfm.lua') -- will be split (we may need font-log) + loadmodule('font-cid.lua') + loadmodule('font-ott.lua') -- might be split + loadmodule('font-map.lua') -- for loading lum file (will be stripped) + loadmodule('font-otf.lua') + loadmodule('font-otd.lua') + loadmodule('font-oti.lua') + loadmodule('font-otb.lua') + loadmodule('font-otn.lua') + loadmodule('font-ota.lua') -- might be split + loadmodule('font-otc.lua') + loadmodule('font-def.lua') + loadmodule('font-xtx.lua') + loadmodule('font-dum.lua') + +end + +-- In order to deal with the fonts we need to initialize some +-- callbacks. One can overload them later on if needed. + +callback.register('ligaturing', false) +callback.register('kerning', false) +callback.register('pre_linebreak_filter', nodes.simple_font_handler) +callback.register('hpack_filter', nodes.simple_font_handler) +callback.register('define_font' , fonts.define.read) +callback.register('find_vf_file', nil) -- reset to normal + +-- We're done. + +texio.write(string.format(" <luatex-fonts.lua loaded in %0.3f seconds>", os.gettimeofday()-starttime)) |