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luaotfload = luaotfload or { }
luaotfload.fonts = { }
luaotfload.fonts.module = {
name = "luaotfload.fonts",
version = 1.001,
date = "2010/01/12",
description = "luaotfload font database.",
author = "Khaled Hosny",
copyright = "Khaled Hosny",
license = "CC0"
}
kpse.set_program_name("luatex")
dofile(kpse.find_file("luaextra.lua"))
local splitpath, expandpath, glob, basename = file.split_path, kpse.expand_path, dir.glob, file.basename
local upper, format, rep = string.upper, string.format, string.rep
luaotfload.fonts.basename = "otfl-names.lua"
luaotfload.fonts.version = 2.002
luaotfload.fonts.log_level = 1
local lastislog = 0
local function log(lvl, fmt, ...)
if lvl <= luaotfload.fonts.log_level then
lastislog = 1
texio.write_nl(format("luaotfload | %s", format(fmt,...)))
end
end
local function progress(current, total)
-- local width = os.getenv("COLUMNS") -2 --doesn't work
local width = 78
local percent = current/total
local gauge = format("[%s]", rep(" ", width))
if percent >= 0.01 then
gauge = format("[%s>%s]", rep("=", (width*percent)-1), rep(" ", width-(width*percent)))
end
if percent == 1 then
gauge = gauge .. "\n"
end
if lastislog == 1 then
texio.write_nl("")
lastislog = 0
end
io.stderr:write("\r"..gauge)
io.stderr:flush()
end
function fontloader.fullinfo(...)
local t = { }
local f = fontloader.open(...)
local m = f and fontloader.to_table(f)
fontloader.close(f)
-- see http://www.microsoft.com/typography/OTSPEC/features_pt.htm#size
if m.fontstyle_name then
for _,v in pairs(m.fontstyle_name) do
if v.lang == 1033 then
t.fontstyle_name = v.name
end
end
end
if m.names then
for _,v in pairs(m.names) do
if v.lang == "English (US)" then
t.names = {
-- see http://developer.apple.com/textfonts/TTRefMan/RM06/Chap6name.html
fullname = v.names.compatfull or v.names.fullname, -- 18, 4
family = v.names.preffamilyname or v.names.family, -- 17, 1
subfamily = t.fontstyle_name or v.names.prefmodifiers or v.names.subfamily, -- opt. style, 16, 2
psname = v.names.postscriptname --or t.fontname
}
end
end
end
t.fontname = m.fontname
t.fullname = m.fullname
t.familyname = m.familyname
t.filename = m.origname
t.weight = m.pfminfo.weight
t.width = m.pfminfo.width
t.slant = m.italicangle
-- don't waste the space with zero values
t.size = {
m.design_size ~= 0 and m.design_size or nil,
m.design_range_top ~= 0 and m.design_range_top or nil,
m.design_range_bottom ~= 0 and m.design_range_bottom or nil,
}
return t
end
local function load_font(filename, names, texmf)
log(3, "Loading font %s", filename)
local mappings = names.mappings
local families = names.families
if filename then
local info = fontloader.info(filename)
if info then
if type(info) == "table" and #info > 1 then
for index,_ in ipairs(info) do
local fullinfo = fontloader.fullinfo(filename, index-1)
if texmf then
fullinfo.filename = basename(filename)
end
mappings[#mappings+1] = fullinfo
if not families[fullinfo.names.family] then
families[fullinfo.names.family] = { }
end
table.insert(families[fullinfo.names.family], #mappings)
end
else
local fullinfo = fontloader.fullinfo(filename)
if texmf then
fullinfo.filename = basename(filename)
end
mappings[#mappings+1] = fullinfo
if not families[fullinfo.names.family] then
families[fullinfo.names.family] = { }
end
table.insert(families[fullinfo.names.family], #mappings)
end
else
log(1, "Failed to load %s", filename)
end
end
end
local function scan_dir(dirname, names, recursive, texmf)
log(2, "Scanning directory %s", dirname)
local list, found = { }, { }
for _,ext in ipairs { "otf", "ttf", "ttc", "dfont" } do
if recursive then pat = "/**." else pat = "/*." end
log(2, "Scanning '%s' for '%s' fonts", dirname, ext)
found = glob(dirname .. pat .. ext)
log(2, "%s fonts found", #found)
table.append(list, found)
log(2, "Scanning '%s' for '%s' fonts", dirname, upper(ext))
found = glob(dirname .. pat .. upper(ext))
log(2, "%s fonts found", #found)
table.append(list, found)
end
for _,fnt in ipairs(list) do
load_font(fnt, names, texmf)
end
end
local function scan_texmf_tree(names)
log(1, "Scanning TEXMF fonts:\n")
local fontdirs = expandpath("$OPENTYPEFONTS")
fontdirs = fontdirs .. string.gsub(expandpath("$TTFONTS"), "^\.", "")
if not fontdirs:is_empty() then
local explored_dirs = {}
fontdirs = splitpath(fontdirs)
-- hack, don't scan current dir
table.remove(fontdirs, 1)
count = 0
for _,d in ipairs(fontdirs) do
if not explored_dirs[d] then
count = count + 1
progress(count, #fontdirs)
scan_dir(d, names, false, true)
explored_dirs[d] = true
end
end
end
end
local function read_fcdata(data)
local list = { }
for line in data:lines() do
line = line:gsub(": ", "")
local ext = string.lower(string.match(line,"^.+%.([^/\\]-)$"))
if ext == "otf" or ext == "ttf" or ext == "ttc" or ext == "dfont" then
list[#list+1] = line:gsub(": ", "")
end
end
return list
end
local function scan_os_fonts(names)
if expandpath("$OSFONTDIR"):is_empty() then
log(1, "Scanning system fonts:\n")
log(2, "Executing 'fc-list : file'")
local data = io.popen("fc-list : file", 'r')
local list = read_fcdata(data)
data:close()
count = 0
for _,fnt in ipairs(list) do
count = count + 1
progress(count, #list)
load_font(fnt, names, texmf)
end
end
end
local function generate()
texio.write("luaotfload | Generating font names database.")
local fnames = {
mappings = { },
families = { },
version = luaotfload.fonts.version,
}
local savepath
scan_texmf_tree(fnames)
scan_os_fonts (fnames)
log(1, "%s fonts in %s families saved in the database", #fnames.mappings, #table.keys(fnames.families))
savepath = kpse.expand_var("$TEXMFVAR") .. "/tex/"
if not file.isreadable(savepath) then
log(1, "Creating directory %s", savepath)
lfs.mkdir(savepath)
end
if not file.iswritable(savepath) then
log(1, "Error: cannot write in directory %s\n", savepath)
else
savepath = savepath .. luaotfload.fonts.basename
io.savedata(savepath, table.serialize(fnames, true))
log(1, "Saved font names database in %s\n", savepath)
end
end
luaotfload.fonts.scan = scan_dir
luaotfload.fonts.generate = generate
if arg[0] == "luaotfload-fonts.lua" then
generate()
end
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