diff options
Diffstat (limited to 'luaotfload-legacy.lua')
| -rw-r--r-- | luaotfload-legacy.lua | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/luaotfload-legacy.lua b/luaotfload-legacy.lua new file mode 100644 index 0000000..261c0ff --- /dev/null +++ b/luaotfload-legacy.lua @@ -0,0 +1,154 @@ +-- +-- This is file `luaotfload.lua', +-- generated with the docstrip utility. +-- +-- The original source files were: +-- +-- luaotfload.dtx (with options: `lua') +-- This is a generated file. +-- +-- Copyright (C) 2009-2013 by by Elie Roux <elie.roux@telecom-bretagne.eu> +-- and Khaled Hosny <khaledhosny@eglug.org> +-- (Support: <lualatex-dev@tug.org>.) +-- +-- This work is under the CC0 license. +-- +-- This work consists of the main source file luaotfload.dtx +-- and the derived files +-- luaotfload.sty, luaotfload.lua +-- +module("luaotfload", package.seeall) + +luaotfload.module = { + name = "luaotfload", + version = 1.29, + date = "2013/04/25", + description = "OpenType layout system.", + author = "Elie Roux & Hans Hagen", + copyright = "Elie Roux", + license = "CC0" +} + +local error, warning, info, log = luatexbase.provides_module(luaotfload.module) +kpse.init_prog("", 600, "/") +local luatex_version = 60 + +if tex.luatexversion < luatex_version then + warning("LuaTeX v%.2f is old, v%.2f is recommended.", + tex.luatexversion/100, + luatex_version /100) +end + + +function luaotfload.loadmodule(tofind) + local found = kpse.find_file(tofind,"tex") + if found then + log("loading file %s.", found) + dofile(found) + else + error("file %s not found.", tofind) + end +end +local loadmodule = luaotfload.loadmodule + +loadmodule"luaotfload-legacy-merged.lua" + +if not fonts then + loadmodule("otfl-luat-dum.lua") -- not used in context at all + loadmodule("otfl-luat-ovr.lua") -- override some luat-dum functions + loadmodule("otfl-data-con.lua") -- maybe some day we don't need this one + loadmodule("otfl-font-ini.lua") + loadmodule("otfl-node-dum.lua") + loadmodule("otfl-node-inj.lua") + loadmodule("luaotfload-legacy-attributes.lua") -- patch attributes + loadmodule("otfl-font-tfm.lua") + loadmodule("otfl-font-cid.lua") + loadmodule("otfl-font-ott.lua") + loadmodule("otfl-font-map.lua") + loadmodule("otfl-font-otf.lua") + loadmodule("otfl-font-otd.lua") + loadmodule("otfl-font-oti.lua") + loadmodule("otfl-font-otb.lua") + loadmodule("otfl-font-otn.lua") + loadmodule("otfl-font-ota.lua") + loadmodule("otfl-font-otc.lua") + loadmodule("otfl-font-def.lua") + loadmodule("otfl-font-xtx.lua") + loadmodule("otfl-font-dum.lua") + loadmodule("otfl-font-clr.lua") +end +loadmodule"luaotfload-legacy-database.lua" --- unmerged coz needed in db script + +if fonts and fonts.tfm and fonts.tfm.readers then + fonts.tfm.readers.ofm = fonts.tfm.readers.tfm +end +luatexbase.create_callback("luaotfload.patch_font", "simple", function() end) +local function def_font(...) + local fontdata = fonts.define.read(...) + if type(fontdata) == "table" and fontdata.shared then + local otfdata = fontdata.shared.otfdata + if otfdata.metadata.math then + local mc = { } + for k,v in next, otfdata.metadata.math do + if k:find("Percent") then + -- keep percent values as is + mc[k] = v + else + mc[k] = v / fontdata.units * fontdata.size + end + end + -- for \overwithdelims + mc.FractionDelimiterSize = 1.01 * fontdata.size + mc.FractionDelimiterDisplayStyleSize = 2.39 * fontdata.size + + fontdata.MathConstants = mc + end + luatexbase.call_callback("luaotfload.patch_font", fontdata) + end + return fontdata +end +--fonts.define.resolvers.file = fonts.define.resolvers.name +fonts.mode = "node" +local register_base_sub = fonts.otf.features.register_base_substitution +local gsubs = { + "ss01", "ss02", "ss03", "ss04", "ss05", + "ss06", "ss07", "ss08", "ss09", "ss10", + "ss11", "ss12", "ss13", "ss14", "ss15", + "ss16", "ss17", "ss18", "ss19", "ss20", +} + +for _,v in next, gsubs do + register_base_sub(v) +end +luatexbase.add_to_callback("pre_linebreak_filter", + nodes.simple_font_handler, + "luaotfload.pre_linebreak_filter") +luatexbase.add_to_callback("hpack_filter", + nodes.simple_font_handler, + "luaotfload.hpack_filter") +luatexbase.reset_callback("define_font") +luatexbase.add_to_callback("define_font", + def_font, + "luaotfload.define_font", 1) +luatexbase.add_to_callback("find_vf_file", + fonts.vf.find, + "luaotfload.find_vf_file") +local function set_sscale_diments(fontdata) + local mc = fontdata.MathConstants + if mc then + if mc["ScriptPercentScaleDown"] then + fontdata.parameters[10] = mc.ScriptPercentScaleDown + else -- resort to plain TeX default + fontdata.parameters[10] = 70 + end + if mc["ScriptScriptPercentScaleDown"] then + fontdata.parameters[11] = mc.ScriptScriptPercentScaleDown + else -- resort to plain TeX default + fontdata.parameters[11] = 50 + end + end +end + +luatexbase.add_to_callback("luaotfload.patch_font", set_sscale_diments, "unicodemath.set_sscale_diments") +-- +-- End of File `luaotfload.lua'. |