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authorPhilipp Gesang <phg42.2a@gmail.com>2014-01-02 21:01:48 +0100
committerPhilipp Gesang <phg42.2a@gmail.com>2014-01-02 21:01:48 +0100
commit118a01f6103d2d80e6c18bf9f7640ecf23c04cd4 (patch)
tree7130c0a4684970aa285430c0f5517c440a16e8d5
parent298dffaece66c307f9dcbfb23bba855385aa7132 (diff)
downloadluaotfload-118a01f6103d2d80e6c18bf9f7640ecf23c04cd4.tar.gz
[*] annihilate legacy code
Diffstat
-rw-r--r--luaotfload-legacy-attributes.lua27
-rw-r--r--luaotfload-legacy-database.lua724
-rw-r--r--luaotfload-legacy-merged.lua8157
-rwxr-xr-xluaotfload-legacy-tool.lua105
-rw-r--r--luaotfload-legacy.lua402
5 files changed, 0 insertions, 9415 deletions
diff --git a/luaotfload-legacy-attributes.lua b/luaotfload-legacy-attributes.lua
deleted file mode 100644
index c6130b4..0000000
--- a/luaotfload-legacy-attributes.lua
+++ /dev/null
@@ -1,27 +0,0 @@
------------------------------------------------------------------------
--- FILE: otfl-luat-att.lua
--- USAGE: with old luaotfload
--- DESCRIPTION: setting attributes abide luatexbase rules
--- REQUIREMENTS: some old luatex
--- AUTHOR: Philipp Gesang (Phg), <phg42.2a@gmail.com>
--- CREATED: 2013-05-10 20:37:19+0200
------------------------------------------------------------------------
---
-
-if not modules then modules = { } end modules ['otfl-luat-att'] = {
- version = math.pi/42,
- comment = "companion to luaotfload.lua",
- author = "Philipp Gesang",
- copyright = "Luaotfload Development Team",
- license = "GNU GPL v2"
-}
-
-function attributes.private(name)
- local attr = "otfl@" .. name
- local number = luatexbase.attributes[attr]
- if not number then
- number = luatexbase.new_attribute(attr)
- end
- return number
-end
-
diff --git a/luaotfload-legacy-database.lua b/luaotfload-legacy-database.lua
deleted file mode 100644
index b31fe88..0000000
--- a/luaotfload-legacy-database.lua
+++ /dev/null
@@ -1,724 +0,0 @@
-if not modules then modules = { } end modules ['font-nms'] = {
- version = "old",
- comment = "companion to luaotfload.lua",
- author = "Khaled Hosny and Elie Roux",
- copyright = "Luaotfload Development Team",
- license = "GNU GPL v2"
-}
-
-fonts = fonts or { }
-fonts.names = fonts.names or { }
-
-local names = fonts.names
-local names_dir = "luatex-cache/generic/names"
-names.version = "old" -- not the same as in context
-names.data = nil
-names.path = {
- basename = "otfl-names.lua", --- different from current
- localdir = file.join(kpse.expand_var("$TEXMFVAR"), names_dir),
- systemdir = file.join(kpse.expand_var("$TEXMFSYSVAR"), names_dir),
-}
-
-
-local splitpath, expandpath = file.split_path, kpse.expand_path
-local glob, basename = dir.glob, file.basename
-local upper, lower, format = string.upper, string.lower, string.format
-local gsub, match, rpadd = string.gsub, string.match, string.rpadd
-local gmatch, sub, find = string.gmatch, string.sub, string.find
-local utfgsub = unicode.utf8.gsub
-
-local trace_short = false --tracing adapted to rebuilding of the database inside a document
-local trace_search = false --trackers.register("names.search", function(v) trace_search = v end)
-local trace_loading = false --trackers.register("names.loading", function(v) trace_loading = v end)
-
-local function sanitize(str)
- if str then
- return utfgsub(lower(str), "[^%a%d]", "")
- else
- return str -- nil
- end
-end
-
-local function fontnames_init()
- return {
- mappings = { },
- status = { },
- version = names.version,
- }
-end
-
-local function load_names()
- local localpath = file.join(names.path.localdir, names.path.basename)
- local systempath = file.join(names.path.systemdir, names.path.basename)
- local kpsefound = kpse.find_file(names.path.basename)
- local foundname
- local data
- if kpsefound and file.isreadable(kpsefound) then
- data = dofile(kpsefound)
- foundname = kpsefound
- elseif file.isreadable(localpath) then
- data = dofile(localpath)
- foundname = localpath
- elseif file.isreadable(systempath) then
- data = dofile(systempath)
- foundname = systempath
- end
- if data then
- logs.info("Font names database loaded: " .. foundname)
- else
- logs.info([[Font names database not found, generating new one.
- This can take several minutes; please be patient.]])
- data = names.update(fontnames_init())
- names.save(data)
- end
- return data
-end
-
-local synonyms = {
- regular = { "normal", "roman", "plain", "book", "medium" },
- -- boldregular was for old versions of Linux Libertine, is it still useful?
- -- semibold is in new versions of Linux Libertine, but there is also a bold,
- -- not sure it's useful here...
- bold = { "demi", "demibold", "semibold", "boldregular" },
- italic = { "regularitalic", "normalitalic", "oblique", "slanted" },
- bolditalic = { "boldoblique", "boldslanted", "demiitalic", "demioblique", "demislanted", "demibolditalic", "semibolditalic" },
-}
-
-local loaded = false
-local reloaded = false
-
-function names.resolve(specification)
- local name = sanitize(specification.name)
- local style = sanitize(specification.style) or "regular"
-
- local size
- if specification.optsize then
- size = tonumber(specification.optsize)
- elseif specification.size then
- size = specification.size / 65536
- end
-
-
- if not loaded then
- names.data = names.load()
- loaded = true
- end
-
- local data = names.data
- if type(data) == "table" and data.version == names.version then
- if data.mappings then
- local found = { }
- for _,face in next, data.mappings do
- local family, subfamily, fullname, psname
- local optsize, dsnsize, maxsize, minsize
-
- if face.names then
- family = sanitize(face.names.family)
- subfamily = sanitize(face.names.subfamily)
- fullname = sanitize(face.names.fullname)
- psname = sanitize(face.names.psname)
- end
- local fontname = sanitize(face.fontname)
- local pfullname = sanitize(face.fullname)
- if #face.size > 0 then
- optsize = face.size
- dsnsize = optsize[1] and optsize[1] / 10
- -- can be nil
- maxsize = optsize[2] and optsize[2] / 10 or dsnsize
- minsize = optsize[3] and optsize[3] / 10 or dsnsize
- end
- if name == family then
- if subfamily == style then
- if optsize then
- if dsnsize == size
- or (size > minsize and size <= maxsize) then
- found[1] = face
- break
- else
- found[#found+1] = face
- end
- else
- found[1] = face
- break
- end
- elseif synonyms[style] and
- table.contains(synonyms[style], subfamily) then
- if optsize then
- if dsnsize == size
- or (size > minsize and size <= maxsize) then
- found[1] = face
- break
- else
- found[#found+1] = face
- end
- else
- found[1] = face
- break
- end
- elseif subfamily == "regular" or
- table.contains(synonyms.regular, subfamily) then
- found.fallback = face
- elseif name == fullname
- or name == pfullname
- or name == fontname
- or name == psname then
- if optsize then
- if dsnsize == size
- or (size > minsize and size <= maxsize) then
- found[1] = face
- break
- else
- found[#found+1] = face
- end
- else
- found[1] = face
- break
- end
- end
- else
- if name == fullname
- or name == pfullname
- or name == fontname
- or name == psname then
- if optsize then
- if dsnsize == size
- or (size > minsize and size <= maxsize) then
- found[1] = face
- break
- else
- found[#found+1] = face
- end
- else
- found[1] = face
- break
- end
- end
- end
- end
- if #found == 1 then
- if kpse.lookup(found[1].filename[1]) then
- logs.report("load font",
- "font family='%s', subfamily='%s' found: %s",
- name, style, found[1].filename[1])
- return found[1].filename[1], found[1].filename[2]
- elseif lfs.isfile(found[1].found_at) then
- logs.report("load font",
- "font family='%s', subfamily='%s' found: %s",
- name, style, found[1].found_at)
- return found[1].found_at, found[1].filename[2]
- end
- elseif #found > 1 then
- -- we found matching font(s) but not in the requested optical
- -- sizes, so we loop through the matches to find the one with
- -- least difference from the requested size.
- local closest
- local least = math.huge -- initial value is infinity
- for i,face in next, found do
- local dsnsize = face.size[1]/10
- local difference = math.abs(dsnsize-size)
- if difference < least then
- closest = face
- least = difference
- end
- end
- if kpse.lookup(closest.filename[1]) then
- logs.report("load font",
- "font family='%s', subfamily='%s' found: %s",
- name, style, closest.filename[1])
- return closest.filename[1], closest.filename[2]
- elseif lfs.isfile(closest.found_at) then
- logs.report("load font",
- "font family='%s', subfamily='%s' found: %s",
- name, style, closest.found_at)
- return closest.found_at, closest.filename[2]
- end
- elseif found.fallback then
- return found.fallback.filename[1], found.fallback.filename[2]
- end
- -- no font found so far
- if not reloaded then
- -- try reloading the database
- names.data = names.update(names.data)
- names.save(names.data)
- reloaded = true
- return names.resolve(specification)
- else
- -- else, fallback to filename
- return specification.name, false
- end
- end
- else
- if not reloaded then
- names.data = names.update()
- names.save(names.data)
- reloaded = true
- return names.resolve(specification)
- else
- return specification.name, false
- end
- end
-end
-
-names.resolvespec = names.resolve
-
-function names.set_log_level(level)
- if level == 2 then
- trace_loading = true
- elseif level >= 3 then
- trace_loading = true
- trace_search = true
- end
-end
-
-local lastislog = 0
-
-local function log(fmt, ...)
- lastislog = 1
- texio.write_nl(format("luaotfload | %s", format(fmt,...)))
- io.flush()
-end
-
-logs = logs or { }
-logs.report = logs.report or log
-logs.info = logs.info or log
-
-local function font_fullinfo(filename, subfont, texmf)
- local found_at = filename
- local t = { }
- local f = fontloader.open(filename, subfont)
- if not f then
- if trace_loading then
- logs.report("error: failed to open %s", filename)
- end
- return
- end
- local m = fontloader.to_table(f)
- fontloader.close(f)
- collectgarbage('collect')
- -- see http://www.microsoft.com/typography/OTSPEC/features_pt.htm#size
- if m.fontstyle_name then
- for _,v in next, m.fontstyle_name do
- if v.lang == 1033 then
- t.fontstyle_name = v.name
- end
- end
- end
- if m.names then
- for _,v in next, 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,
- family = v.names.preffamilyname or v.names.family,
- subfamily= t.fontstyle_name or v.names.prefmodifiers or v.names.subfamily,
- psname = v.names.postscriptname
- }
- end
- end
- else
- -- no names table, propably a broken font
- if trace_loading then
- logs.report("broken font rejected: %s", basefile)
- end
- return
- end
- t.fontname = m.fontname
- t.fullname = m.fullname
- t.familyname = m.familyname
- t.filename = { texmf and basename(filename) or filename, subfont }
- 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,
- }
- -- rather, waste space on paths
- t.found_at = found_at
- return t
-end
-
-local function load_font(filename, fontnames, newfontnames, texmf)
- local newmappings = newfontnames.mappings
- local newstatus = newfontnames.status
- local mappings = fontnames.mappings
- local status = fontnames.status
- local basefile = texmf and basename(filename) or filename
- if filename then
- if table.contains(names.blacklist, filename) or
- table.contains(names.blacklist, basename(filename)) then
- if trace_search then
- logs.report("ignoring font '%s'", filename)
- end
- return
- end
- local timestamp, db_timestamp
- db_timestamp = status[basefile] and status[basefile].timestamp
- timestamp = lfs.attributes(filename, "modification")
-
- local index_status = newstatus[basefile] or (not texmf and newstatus[basename(filename)])
- if index_status and index_status.timestamp == timestamp then
- -- already indexed this run
- return
- end
-
- newstatus[basefile] = newstatus[basefile] or { }
- newstatus[basefile].timestamp = timestamp
- newstatus[basefile].index = newstatus[basefile].index or { }
-
- if db_timestamp == timestamp and not newstatus[basefile].index[1] then
- for _,v in next, status[basefile].index do
- local index = #newstatus[basefile].index
- newmappings[#newmappings+1] = mappings[v]
- newstatus[basefile].index[index+1] = #newmappings
- end
- if trace_loading then
- logs.report("font already indexed: %s", basefile)
- end
- return
- end
- local info = fontloader.info(filename)
- if info then
- if type(info) == "table" and #info > 1 then
- for i in next, info do
- local fullinfo = font_fullinfo(filename, i-1, texmf)
- if not fullinfo then
- return
- end
- local index = newstatus[basefile].index[i]
- if not index then
- index = #newmappings+1
- end
- newmappings[index] = fullinfo
- newstatus[basefile].index[i] = index
- end
- else
- local fullinfo = font_fullinfo(filename, false, texmf)
- if not fullinfo then
- return
- end
- local index = newstatus[basefile].index[1]
- if not index then
- index = #newmappings+1
- end
- newmappings[index] = fullinfo
- newstatus[basefile].index[1] = index
- end
- else
- if trace_loading then
- logs.report("failed to load %s", basefile)
- end
- end
- end
-end
-
-local function path_normalize(path)
- --[[
- path normalization:
- - a\b\c -> a/b/c
- - a/../b -> b
- - /cygdrive/a/b -> a:/b
- - reading symlinks under non-Win32
- - using kpse.readable_file on Win32
- ]]
- if os.type == "windows" or os.type == "msdos" then
- path = path:gsub('\\', '/')
- path = path:lower()
- path = path:gsub('^/cygdrive/(%a)/', '%1:/')
- end
- if os.type ~= "windows" and os.type ~= "msdos" then
- local dest = lfs.readlink(path)
- if dest then
- if kpse.readable_file(dest) then
- path = dest
- elseif kpse.readable_file(file.join(file.dirname(path), dest)) then
- path = file.join(file.dirname(path), dest)
- else
- -- broken symlink?
- end
- end
- end
- path = file.collapse_path(path)
- return path
-end
-
-fonts.path_normalize = path_normalize
-
-names.blacklist = { }
-
-local function read_blacklist()
- local files = {
- kpse.lookup("otfl-blacklist.cnf", {all=true, format="tex"})
- }
- local blacklist = names.blacklist
-
- if files and type(files) == "table" then
- for _,v in next, files do
- for line in io.lines(v) do
- line = line:strip() -- to get rid of lines like " % foo"
- if line:find("^%%") or line:is_empty() then
- -- comment or empty line
- else
- line = line:split("%")[1]
- line = line:strip()
- if trace_search then
- logs.report("blacklisted file: %s", line)
- end
- blacklist[#blacklist+1] = line
- end
- end
- end
- end
-end
-
-local font_extensions = { "otf", "ttf", "ttc", "dfont" }
-
-local function scan_dir(dirname, fontnames, newfontnames, texmf)
- --[[
- This function scans a directory and populates the list of fonts
- with all the fonts it finds.
- - dirname is the name of the directory to scan
- - names is the font database to fill
- - texmf is a boolean saying if we are scanning a texmf directory
- ]]
- local list, found = { }, { }
- local nbfound = 0
- if trace_search then
- logs.report("scanning '%s'", dirname)
- end
- for _,i in next, font_extensions do
- for _,ext in next, { i, upper(i) } do
- found = glob(format("%s/**.%s$", dirname, ext))
- -- note that glob fails silently on broken symlinks, which happens
- -- sometimes in TeX Live.
- if trace_search then
- logs.report("%s '%s' fonts found", #found, ext)
- end
- nbfound = nbfound + #found
- table.append(list, found)
- end
- end
- if trace_search then
- logs.report("%d fonts found in '%s'", nbfound, dirname)
- end
-
- for _,file in next, list do
- file = path_normalize(file)
- if trace_loading then
- logs.report("loading font: %s", file)
- end
- load_font(file, fontnames, newfontnames, texmf)
- end
-end
-
-local function scan_texmf_fonts(fontnames, newfontnames)
- --[[
- This function scans all fonts in the texmf tree, through kpathsea
- variables OPENTYPEFONTS and TTFONTS of texmf.cnf
- ]]
- if expandpath("$OSFONTDIR"):is_empty() then
- logs.info("Scanning TEXMF fonts...")
- else
- logs.info("Scanning TEXMF and OS fonts...")
- end
- local fontdirs = expandpath("$OPENTYPEFONTS"):gsub("^%.", "")
- fontdirs = fontdirs .. expandpath("$TTFONTS"):gsub("^%.", "")
- if not fontdirs:is_empty() then
- for _,d in next, splitpath(fontdirs) do
- scan_dir(d, fontnames, newfontnames, true)
- end
- end
-end
-
---[[
- For the OS fonts, there are several options:
- - if OSFONTDIR is set (which is the case under windows by default but
- not on the other OSs), it scans it at the same time as the texmf tree,
- in the scan_texmf_fonts.
- - in addition:
- - under Windows and Mac OSX, we take a look at some hardcoded directories
- - under Unix, we read /etc/fonts/fonts.conf and read the directories in it
-
- This means that if you have fonts in fancy directories, you need to set them
- in OSFONTDIR if they cannot be found by fontconfig.
-]]
-
-local function read_fonts_conf(path, results, passed_paths)
- --[[
- This function parses /etc/fonts/fonts.conf and returns all the dir it finds.
- The code is minimal, please report any error it may generate.
- ]]
- local f = io.open(path)
- table.insert(passed_paths, path)
- if not f then
- logs.info("Warning: unable to read "..path.. ", skipping...")
- return results
- end
- local incomments = false
- for line in f:lines() do
- while line and line ~= "" do
- -- spaghetti code... hmmm...
- if incomments then
- local tmp = find(line, '-->')
- if tmp then
- incomments = false
- line = sub(line, tmp+3)
- else
- line = nil
- end
- else
- local tmp = find(line, '<!--')
- local newline = line
- if tmp then
- -- for the analysis, we take everything that is before the
- -- comment sign
- newline = sub(line, 1, tmp-1)
- -- and we loop again with the comment
- incomments = true
- line = sub(line, tmp+4)
- else
- -- if there is no comment start, the block after that will
- -- end the analysis, we exit the while loop
- line = nil
- end
- for dir in gmatch(newline, '<dir>([^<]+)</dir>') do
- -- now we need to replace ~ by kpse.expand_path('~')
- if sub(dir, 1, 1) == '~' then
- dir = file.join(kpse.expand_path('~'), sub(dir, 2))
- end
- -- we exclude paths with texmf in them, as they should be
- -- found anyway
- if not find(dir, 'texmf') then
- results[#results+1] = dir
- end
- end
- for include in gmatch(newline, '<include[^<]*>([^<]+)</include>') do
- -- include here can be four things: a directory or a file,
- -- in absolute or relative path.
- if sub(include, 1, 1) == '~' then
- include = file.join(kpse.expand_path('~'),sub(include, 2))
- -- First if the path is relative, we make it absolute:
- elseif not lfs.isfile(include) and not lfs.isdir(include) then
- include = file.join(file.dirname(path), include)
- end
- if lfs.isfile(include) and kpse.readable_file(include) and not table.contains(passed_paths, include) then
- -- we exclude path with texmf in them, as they should
- -- be found otherwise
- read_fonts_conf(include, results, passed_paths)
- elseif lfs.isdir(include) then
- for _,f in next, glob(file.join(include, "*.conf")) do
- if not table.contains(passed_paths, f) then
- read_fonts_conf(f, results, passed_paths)
- end
- end
- end
- end
- end
- end
- end
- f:close()
- return results
-end
-
--- for testing purpose
-names.read_fonts_conf = read_fonts_conf
-
-local function get_os_dirs()
- if os.name == 'macosx' then
- return {
- file.join(kpse.expand_path('~'), "Library/Fonts"),
- "/Library/Fonts",
- "/System/Library/Fonts",
- "/Network/Library/Fonts",
- }
- elseif os.type == "windows" or os.type == "msdos" then
- local windir = os.getenv("WINDIR")
- return { file.join(windir, 'Fonts') }
- else
- return read_fonts_conf("/etc/fonts/fonts.conf", {}, {})
- end
-end
-
-local function scan_os_fonts(fontnames, newfontnames)
- --[[
- This function scans the OS fonts through
- - fontcache for Unix (reads the fonts.conf file and scans the directories)
- - a static set of directories for Windows and MacOSX
- ]]
- logs.info("Scanning OS fonts...")
- if trace_search then
- logs.info("Searching in static system directories...")
- end
- for _,d in next, get_os_dirs() do
- scan_dir(d, fontnames, newfontnames, false)
- end
-end
-
-local function update_names(fontnames, force)
- --[[
- The main function, scans everything
- - fontnames is the final table to return
- - force is whether we rebuild it from scratch or not
- ]]
- logs.info("Updating the font names database:")
-
- if force then
- fontnames = fontnames_init()
- else
- if not fontnames then
- fontnames = names.load()
- end
- if fontnames.version ~= names.version then
- fontnames = fontnames_init()
- if trace_search then
- logs.report("No font names database or old one found; "
- .."generating new one")
- end
- end
- end
- local newfontnames = fontnames_init()
- read_blacklist()
- scan_texmf_fonts(fontnames, newfontnames)
- scan_os_fonts(fontnames, newfontnames)
- return newfontnames
-end
-
-local function save_names(fontnames)
- local savepath = names.path.localdir
- if not lfs.isdir(savepath) then
- dir.mkdirs(savepath)
- end
- savepath = file.join(savepath, names.path.basename)
- if file.iswritable(savepath) then
- table.tofile(savepath, fontnames, true)
- logs.info("Font names database saved: %s \n", savepath)
- return savepath
- else
- logs.info("Failed to save names database\n")
- return nil
- end
-end
-
-local function scan_external_dir(dir)
- local old_names, new_names
- if loaded then
- old_names = names.data
- else
- old_names = names.load()
- loaded = true
- end
- new_names = table.copy(old_names)
- scan_dir(dir, old_names, new_names)
- names.data = new_names
-end
-
-names.scan = scan_external_dir
-names.load = load_names
-names.update = update_names
-names.save = save_names
-
--- vim:ft=lua:sw=4:ts=4:expandtab
diff --git a/luaotfload-legacy-merged.lua b/luaotfload-legacy-merged.lua
deleted file mode 100644
index 9bec298..0000000
--- a/luaotfload-legacy-merged.lua
+++ /dev/null
@@ -1,8157 +0,0 @@
--- merged file : luaotfload-legacy-merged.lua
--- parent file : luaotfload-legacy.lua
--- merge date : Fri May 10 20:57:35 2013
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['luat-dum']={
- version=1.100,
- comment="companion to luatex-*.tex",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local dummyfunction=function() end
-statistics={
- register=dummyfunction,
- starttiming=dummyfunction,
- stoptiming=dummyfunction,
-}
-directives={
- register=dummyfunction,
- enable=dummyfunction,
- disable=dummyfunction,
-}
-trackers={
- register=dummyfunction,
- enable=dummyfunction,
- disable=dummyfunction,
-}
-experiments={
- register=dummyfunction,
- enable=dummyfunction,
- disable=dummyfunction,
-}
-storage={
- register=dummyfunction,
- shared={},
-}
-logs={
- report=dummyfunction,
- simple=dummyfunction,
-}
-tasks={
- new=dummyfunction,
- actions=dummyfunction,
- appendaction=dummyfunction,
- prependaction=dummyfunction,
-}
-callbacks={
- register=function(n,f) return callback.register(n,f) end,
-}
-texconfig.kpse_init=true
-resolvers=resolvers or {}
-local remapper={
- otf="opentype fonts",
- ttf="truetype fonts",
- ttc="truetype fonts",
- dfont="truetype fonts",
- cid="cid maps",
- fea="font feature files",
-}
-function resolvers.find_file(name,kind)
- name=string.gsub(name,"\\","/")
- kind=string.lower(kind)
- return kpse.find_file(name,(kind and kind~="" and (remapper[kind] or kind)) or file.extname(name,"tex"))
-end
-function resolvers.findbinfile(name,kind)
- if not kind or kind=="" then
- kind=file.extname(name)
- end
- return resolvers.find_file(name,(kind and remapper[kind]) or kind)
-end
-caches={}
-local writable,readables=nil,{}
-if not caches.namespace or caches.namespace=="" or caches.namespace=="context" then
- caches.namespace='generic'
-end
-do
- local cachepaths
- if kpse.expand_var('$TEXMFCACHE')~='$TEXMFCACHE' then
- cachepaths=kpse.expand_var('$TEXMFCACHE')
- elseif kpse.expand_var('$TEXMFVAR')~='$TEXMFVAR' then
- cachepaths=kpse.expand_var('$TEXMFVAR')
- end
- if not cachepaths then
- cachepaths="."
- end
- cachepaths=string.split(cachepaths,os.type=="windows" and ";" or ":")
- for i=1,#cachepaths do
- local done
- writable=file.join(cachepaths[i],"luatex-cache")
- writable=file.join(writable,caches.namespace)
- writable,done=dir.mkdirs(writable)
- if done then
- break
- end
- end
- for i=1,#cachepaths do
- if file.isreadable(cachepaths[i]) then
- readables[#readables+1]=file.join(cachepaths[i],"luatex-cache",caches.namespace)
- end
- end
- if not writable then
- texio.write_nl("quiting: fix your writable cache path\n")
- os.exit()
- elseif #readables==0 then
- texio.write_nl("quiting: fix your readable cache path\n")
- os.exit()
- elseif #readables==1 and readables[1]==writable then
- texio.write(string.format("(using cache: %s)",writable))
- else
- texio.write(string.format("(using write cache: %s)",writable))
- texio.write(string.format("(using read cache: %s)",table.concat(readables," ")))
- end
-end
-function caches.getwritablepath(category,subcategory)
- local path=file.join(writable,category)
- lfs.mkdir(path)
- path=file.join(path,subcategory)
- lfs.mkdir(path)
- return path
-end
-function caches.getreadablepaths(category,subcategory)
- local t={}
- for i=1,#readables do
- t[i]=file.join(readables[i],category,subcategory)
- end
- return t
-end
-local function makefullname(path,name)
- if path and path~="" then
- name="temp-"..name
- return file.addsuffix(file.join(path,name),"lua")
- end
-end
-function caches.iswritable(path,name)
- local fullname=makefullname(path,name)
- return fullname and file.iswritable(fullname)
-end
-function caches.loaddata(paths,name)
- for i=1,#paths do
- local fullname=makefullname(paths[i],name)
- if fullname then
- texio.write(string.format("(load: %s)",fullname))
- local data=loadfile(fullname)
- return data and data()
- end
- end
-end
-function caches.savedata(path,name,data)
- local fullname=makefullname(path,name)
- if fullname then
- texio.write(string.format("(save: %s)",fullname))
- table.tofile(fullname,data,'return',false,true,false)
- end
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['luat-ovr']={
- version=1.001,
- comment="companion to luatex-*.tex",
- author="Khaled Hosny and Elie Roux",
- copyright="Luaotfload Development Team",
- license="GNU GPL v2"
-}
-local write_nl,format,name=texio.write_nl,string.format,"luaotfload"
-local dummyfunction=function() end
-callbacks={
- register=dummyfunction,
-}
-function logs.report(category,fmt,...)
- if fmt then
- write_nl('log',format("%s | %s: %s",name,category,format(fmt,...)))
- elseif category then
- write_nl('log',format("%s | %s",name,category))
- else
- write_nl('log',format("%s |",name))
- end
-end
-function logs.info(category,fmt,...)
- if fmt then
- write_nl(format("%s | %s: %s",name,category,format(fmt,...)))
- elseif category then
- write_nl(format("%s | %s",name,category))
- else
- write_nl(format("%s |",name))
- end
- io.flush()
-end
-function logs.simple(fmt,...)
- if fmt then
- write_nl('log',format("%s | %s",name,format(fmt,...)))
- else
- write_nl('log',format("%s |",name))
- end
-end
-tex.attribute[0]=0
-tex.ctxcatcodes=luatexbase.catcodetables.latex
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['data-con']={
- version=1.100,
- comment="companion to luat-lib.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local format,lower,gsub=string.format,string.lower,string.gsub
-local trace_cache=false trackers.register("resolvers.cache",function(v) trace_cache=v end)
-local trace_containers=false trackers.register("resolvers.containers",function(v) trace_containers=v end)
-local trace_storage=false trackers.register("resolvers.storage",function(v) trace_storage=v end)
-containers=containers or {}
-containers.usecache=true
-local function report(container,tag,name)
- if trace_cache or trace_containers then
- logs.report(format("%s cache",container.subcategory),"%s: %s",tag,name or 'invalid')
- end
-end
-local allocated={}
-local mt={
- __index=function(t,k)
- if k=="writable" then
- local writable=caches.getwritablepath(t.category,t.subcategory) or { "." }
- t.writable=writable
- return writable
- elseif k=="readables" then
- local readables=caches.getreadablepaths(t.category,t.subcategory) or { "." }
- t.readables=readables
- return readables
- end
- end
-}
-function containers.define(category,subcategory,version,enabled)
- if category and subcategory then
- local c=allocated[category]
- if not c then
- c={}
- allocated[category]=c
- end
- local s=c[subcategory]
- if not s then
- s={
- category=category,
- subcategory=subcategory,
- storage={},
- enabled=enabled,
- version=version or math.pi,
- trace=false,
- }
- setmetatable(s,mt)
- c[subcategory]=s
- end
- return s
- end
-end
-function containers.is_usable(container,name)
- return container.enabled and caches and caches.iswritable(container.writable,name)
-end
-function containers.is_valid(container,name)
- if name and name~="" then
- local storage=container.storage[name]
- return storage and storage.cache_version==container.version
- else
- return false
- end
-end
-function containers.read(container,name)
- local storage=container.storage
- local stored=storage[name]
- if not stored and container.enabled and caches and containers.usecache then
- stored=caches.loaddata(container.readables,name)
- if stored and stored.cache_version==container.version then
- report(container,"loaded",name)
- else
- stored=nil
- end
- storage[name]=stored
- elseif stored then
- report(container,"reusing",name)
- end
- return stored
-end
-function containers.write(container,name,data)
- if data then
- data.cache_version=container.version
- if container.enabled and caches then
- local unique,shared=data.unique,data.shared
- data.unique,data.shared=nil,nil
- caches.savedata(container.writable,name,data)
- report(container,"saved",name)
- data.unique,data.shared=unique,shared
- end
- report(container,"stored",name)
- container.storage[name]=data
- end
- return data
-end
-function containers.content(container,name)
- return container.storage[name]
-end
-function containers.cleanname(name)
- return (gsub(lower(name),"[^%w%d]+","-"))
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['font-ini']={
- version=1.001,
- comment="companion to font-ini.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local utf=unicode.utf8
-local format,serialize=string.format,table.serialize
-local write_nl=texio.write_nl
-local lower=string.lower
-if not fontloader then fontloader=fontforge end
-fontloader.totable=fontloader.to_table
-fonts=fonts or {}
-fonts.ids=fonts.ids or {} fonts.identifiers=fonts.ids
-fonts.chr=fonts.chr or {} fonts.characters=fonts.chr
-fonts.qua=fonts.qua or {} fonts.quads=fonts.qua
-fonts.tfm=fonts.tfm or {}
-fonts.mode='base'
-fonts.private=0xF0000
-fonts.verbose=false
-fonts.ids[0]={
- characters={},
- descriptions={},
- name="nullfont",
-}
-fonts.chr[0]={}
-fonts.methods=fonts.methods or {
- base={ tfm={},afm={},otf={},vtf={},fix={} },
- node={ tfm={},afm={},otf={},vtf={},fix={} },
-}
-fonts.initializers=fonts.initializers or {
- base={ tfm={},afm={},otf={},vtf={},fix={} },
- node={ tfm={},afm={},otf={},vtf={},fix={} }
-}
-fonts.triggers=fonts.triggers or {
- 'mode',
- 'language',
- 'script',
- 'strategy',
-}
-fonts.processors=fonts.processors or {}
-fonts.manipulators=fonts.manipulators or {}
-fonts.define=fonts.define or {}
-fonts.define.specify=fonts.define.specify or {}
-fonts.define.specify.synonyms=fonts.define.specify.synonyms or {}
-if not fonts.color then
- fonts.color={
- set=function() end,
- reset=function() end,
- }
-end
-fonts.formats={}
-function fonts.fontformat(filename,default)
- local extname=lower(file.extname(filename))
- local format=fonts.formats[extname]
- if format then
- return format
- else
- logs.report("fonts define","unable to determine font format for '%s'",filename)
- return default
- end
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['node-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"
-}
-nodes=nodes or {}
-fonts=fonts or {}
-attributes=attributes or {}
-local traverse_id=node.traverse_id
-local free_node=node.free
-local remove_node=node.remove
-local new_node=node.new
-local glyph=node.id('glyph')
-local fontdata=fonts.ids or {}
-function nodes.simple_font_handler(head)
- head=nodes.process_characters(head)
- nodes.inject_kerns(head)
- nodes.protect_glyphs(head)
- head=node.ligaturing(head)
- head=node.kerning(head)
- return head
-end
-if tex.attribute[0]~=0 then
- texio.write_nl("log","!")
- texio.write_nl("log","! Attribute 0 is reserved for ConTeXt's font feature management and has to be")
- texio.write_nl("log","! set to zero. Also, some attributes in the range 1-255 are used for special")
- texio.write_nl("log","! purposed so setting them at the TeX end might break the font handler.")
- texio.write_nl("log","!")
- tex.attribute[0]=0
-end
-nodes.protect_glyphs=node.protect_glyphs
-nodes.unprotect_glyphs=node.unprotect_glyphs
-function nodes.process_characters(head)
- local usedfonts,done,prevfont={},false,nil
- for n in traverse_id(glyph,head) do
- local font=n.font
- if font~=prevfont then
- prevfont=font
- local used=usedfonts[font]
- if not used then
- local tfmdata=fontdata[font]
- if tfmdata then
- local shared=tfmdata.shared
- if shared then
- local processors=shared.processes
- if processors and #processors>0 then
- usedfonts[font]=processors
- done=true
- end
- end
- end
- end
- end
- end
- if done then
- for font,processors in next,usedfonts do
- for i=1,#processors do
- local h,d=processors[i](head,font,0)
- head,done=h or head,done or d
- end
- end
- end
- return head,true
-end
-function nodes.kern(k)
- local n=new_node("kern",1)
- n.kern=k
- return n
-end
-function nodes.remove(head,current,free_too)
- local t=current
- head,current=remove_node(head,current)
- if t then
- if free_too then
- free_node(t)
- t=nil
- else
- t.next,t.prev=nil,nil
- end
- end
- return head,current,t
-end
-function nodes.delete(head,current)
- return nodes.remove(head,current,true)
-end
-nodes.before=node.insert_before
-nodes.after=node.insert_after
-attributes.unsetvalue=-0x7FFFFFFF
-local numbers,last={},127
-function attributes.private(name)
- local number=numbers[name]
- if not number then
- if last<255 then
- last=last+1
- end
- number=last
- numbers[name]=number
- end
- return number
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['node-inj']={
- version=1.001,
- comment="companion to node-ini.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local next=next
-local trace_injections=false trackers.register("nodes.injections",function(v) trace_injections=v end)
-fonts=fonts or {}
-fonts.tfm=fonts.tfm or {}
-fonts.ids=fonts.ids or {}
-local fontdata=fonts.ids
-local glyph=node.id('glyph')
-local kern=node.id('kern')
-local traverse_id=node.traverse_id
-local unset_attribute=node.unset_attribute
-local has_attribute=node.has_attribute
-local set_attribute=node.set_attribute
-local insert_node_before=node.insert_before
-local insert_node_after=node.insert_after
-local newkern=nodes.kern
-local markbase=attributes.private('markbase')
-local markmark=attributes.private('markmark')
-local markdone=attributes.private('markdone')
-local cursbase=attributes.private('cursbase')
-local curscurs=attributes.private('curscurs')
-local cursdone=attributes.private('cursdone')
-local kernpair=attributes.private('kernpair')
-local cursives={}
-local marks={}
-local kerns={}
-function nodes.set_cursive(start,nxt,factor,rlmode,exit,entry,tfmstart,tfmnext)
- local dx,dy=factor*(exit[1]-entry[1]),factor*(exit[2]-entry[2])
- local ws,wn=tfmstart.width,tfmnext.width
- local bound=#cursives+1
- set_attribute(start,cursbase,bound)
- set_attribute(nxt,curscurs,bound)
- cursives[bound]={ rlmode,dx,dy,ws,wn }
- return dx,dy,bound
-end
-function nodes.set_pair(current,factor,rlmode,r2lflag,spec,tfmchr)
- local x,y,w,h=factor*spec[1],factor*spec[2],factor*spec[3],factor*spec[4]
- if x~=0 or w~=0 or y~=0 or h~=0 then
- local bound=has_attribute(current,kernpair)
- if bound then
- local kb=kerns[bound]
- kb[2],kb[3],kb[4],kb[5]=(kb[2] or 0)+x,(kb[3] or 0)+y,(kb[4] or 0)+w,(kb[5] or 0)+h
- else
- bound=#kerns+1
- set_attribute(current,kernpair,bound)
- kerns[bound]={ rlmode,x,y,w,h,r2lflag,tfmchr.width }
- end
- return x,y,w,h,bound
- end
- return x,y,w,h
-end
-function nodes.set_kern(current,factor,rlmode,x,tfmchr)
- local dx=factor*x
- if dx~=0 then
- local bound=#kerns+1
- set_attribute(current,kernpair,bound)
- kerns[bound]={ rlmode,dx }
- return dx,bound
- else
- return 0,0
- end
-end
-function nodes.set_mark(start,base,factor,rlmode,ba,ma,index)
- local dx,dy=factor*(ba[1]-ma[1]),factor*(ba[2]-ma[2])
- local bound=has_attribute(base,markbase)
- if bound then
- local mb=marks[bound]
- if mb then
- if not index then index=#mb+1 end
- mb[index]={ dx,dy }
- set_attribute(start,markmark,bound)
- set_attribute(start,markdone,index)
- return dx,dy,bound
- else
- logs.report("nodes mark","possible problem, U+%04X is base without data (id: %s)",base.char,bound)
- end
- end
- index=index or 1
- bound=#marks+1
- set_attribute(base,markbase,bound)
- set_attribute(start,markmark,bound)
- set_attribute(start,markdone,index)
- marks[bound]={ [index]={ dx,dy,rlmode } }
- return dx,dy,bound
-end
-function nodes.trace_injection(head)
- local function dir(n)
- return (n and n<0 and "r-to-l") or (n and n>0 and "l-to-r") or ("unset")
- end
- local function report(...)
- logs.report("nodes finisher",...)
- end
- report("begin run")
- for n in traverse_id(glyph,head) do
- if n.subtype<256 then
- local kp=has_attribute(n,kernpair)
- local mb=has_attribute(n,markbase)
- local mm=has_attribute(n,markmark)
- local md=has_attribute(n,markdone)
- local cb=has_attribute(n,cursbase)
- local cc=has_attribute(n,curscurs)
- report("char U+%05X, font=%s",n.char,n.font)
- if kp then
- local k=kerns[kp]
- if k[3] then
- report(" pairkern: dir=%s, x=%s, y=%s, w=%s, h=%s",dir(k[1]),k[2] or "?",k[3] or "?",k[4] or "?",k[5] or "?")
- else
- report(" kern: dir=%s, dx=%s",dir(k[1]),k[2] or "?")
- end
- end
- if mb then
- report(" markbase: bound=%s",mb)
- end
- if mm then
- local m=marks[mm]
- if mb then
- local m=m[mb]
- if m then
- report(" markmark: bound=%s, index=%s, dx=%s, dy=%s",mm,md or "?",m[1] or "?",m[2] or "?")
- else
- report(" markmark: bound=%s, missing index",mm)
- end
- else
- m=m[1]
- report(" markmark: bound=%s, dx=%s, dy=%s",mm,m[1] or "?",m[2] or "?")
- end
- end
- if cb then
- report(" cursbase: bound=%s",cb)
- end
- if cc then
- local c=cursives[cc]
- report(" curscurs: bound=%s, dir=%s, dx=%s, dy=%s",cc,dir(c[1]),c[2] or "?",c[3] or "?")
- end
- end
- end
- report("end run")
-end
-function nodes.inject_kerns(head,where,keep)
- local has_marks,has_cursives,has_kerns=next(marks),next(cursives),next(kerns)
- if has_marks or has_cursives then
- if trace_injections then
- nodes.trace_injection(head)
- end
- local done,ky,rl,valid,cx,wx,mk=false,{},{},{},{},{},{}
- if has_kerns then
- local nf,tm=nil,nil
- for n in traverse_id(glyph,head) do
- if n.subtype<256 then
- valid[#valid+1]=n
- if n.font~=nf then
- nf=n.font
- tm=fontdata[nf].marks
- end
- mk[n]=tm[n.char]
- local k=has_attribute(n,kernpair)
- if k then
- local kk=kerns[k]
- if kk then
- local x,y,w,h=kk[2] or 0,kk[3] or 0,kk[4] or 0,kk[5] or 0
- local dy=y-h
- if dy~=0 then
- ky[n]=dy
- end
- if w~=0 or x~=0 then
- wx[n]=kk
- end
- rl[n]=kk[1]
- end
- end
- end
- end
- else
- local nf,tm=nil,nil
- for n in traverse_id(glyph,head) do
- if n.subtype<256 then
- valid[#valid+1]=n
- if n.font~=nf then
- nf=n.font
- tm=fontdata[nf].marks
- end
- mk[n]=tm[n.char]
- end
- end
- end
- if #valid>0 then
- local cx={}
- if has_kerns and next(ky) then
- for n,k in next,ky do
- n.yoffset=k
- end
- end
- if has_cursives then
- local p_cursbase,p=nil,nil
- local t,d,maxt={},{},0
- for i=1,#valid do
- local n=valid[i]
- if not mk[n] then
- local n_cursbase=has_attribute(n,cursbase)
- if p_cursbase then
- local n_curscurs=has_attribute(n,curscurs)
- if p_cursbase==n_curscurs then
- local c=cursives[n_curscurs]
- if c then
- local rlmode,dx,dy,ws,wn=c[1],c[2],c[3],c[4],c[5]
- if rlmode>=0 then
- dx=dx-ws
- else
- dx=dx+wn
- end
- if dx~=0 then
- cx[n]=dx
- rl[n]=rlmode
- end
- dy=-dy
- maxt=maxt+1
- t[maxt]=p
- d[maxt]=dy
- else
- maxt=0
- end
- end
- elseif maxt>0 then
- local ny=n.yoffset
- for i=maxt,1,-1 do
- ny=ny+d[i]
- local ti=t[i]
- ti.yoffset=ti.yoffset+ny
- end
- maxt=0
- end
- if not n_cursbase and maxt>0 then
- local ny=n.yoffset
- for i=maxt,1,-1 do
- ny=ny+d[i]
- local ti=t[i]
- ti.yoffset=ny
- end
- maxt=0
- end
- p_cursbase,p=n_cursbase,n
- end
- end
- if maxt>0 then
- local ny=n.yoffset
- for i=maxt,1,-1 do
- ny=ny+d[i]
- local ti=t[i]
- ti.yoffset=ny
- end
- maxt=0
- end
- if not keep then
- cursives={}
- end
- end
- if has_marks then
- for i=1,#valid do
- local p=valid[i]
- local p_markbase=has_attribute(p,markbase)
- if p_markbase then
- local mrks=marks[p_markbase]
- for n in traverse_id(glyph,p.next) do
- local n_markmark=has_attribute(n,markmark)
- if p_markbase==n_markmark then
- local index=has_attribute(n,markdone) or 1
- local d=mrks[index]
- if d then
- local rlmode=d[3]
- if rlmode and rlmode>0 then
- local k=wx[p]
- if k then
- n.xoffset=p.xoffset-(p.width-d[1])-k[2]
- else
- n.xoffset=p.xoffset-(p.width-d[1])
- end
- else
- local k=wx[p]
- if k then
- n.xoffset=p.xoffset-d[1]-k[2]
- else
- n.xoffset=p.xoffset-d[1]
- end
- end
- if mk[p] then
- n.yoffset=p.yoffset+d[2]
- else
- n.yoffset=n.yoffset+p.yoffset+d[2]
- end
- end
- else
- break
- end
- end
- end
- end
- if not keep then
- marks={}
- end
- end
- if next(wx) then
- for n,k in next,wx do
- local rl,x,w,r2l=k[1],k[2] or 0,k[4] or 0,k[6]
- local wx=w-x
- if r2l then
- if wx~=0 then
- insert_node_before(head,n,newkern(wx))
- end
- if x~=0 then
- insert_node_after (head,n,newkern(x))
- end
- else
- if x~=0 then
- insert_node_before(head,n,newkern(x))
- end
- if wx~=0 then
- insert_node_after(head,n,newkern(wx))
- end
- end
- end
- end
- if next(cx) then
- for n,k in next,cx do
- if k~=0 then
- local rln=rl[n]
- if rln and rln<0 then
- insert_node_before(head,n,newkern(-k))
- else
- insert_node_before(head,n,newkern(k))
- end
- end
- end
- end
- if not keep then
- kerns={}
- end
- return head,true
- elseif not keep then
- kerns,cursives,marks={},{},{}
- end
- elseif has_kerns then
- if trace_injections then
- nodes.trace_injection(head)
- end
- for n in traverse_id(glyph,head) do
- if n.subtype<256 then
- local k=has_attribute(n,kernpair)
- if k then
- local kk=kerns[k]
- if kk then
- local rl,x,y,w=kk[1],kk[2] or 0,kk[3],kk[4]
- if y and y~=0 then
- n.yoffset=y
- end
- if w then
- local r2l=kk[6]
- local wx=w-x
- if r2l then
- if wx~=0 then
- insert_node_before(head,n,newkern(wx))
- end
- if x~=0 then
- insert_node_after (head,n,newkern(x))
- end
- else
- if x~=0 then
- insert_node_before(head,n,newkern(x))
- end
- if wx~=0 then
- insert_node_after(head,n,newkern(wx))
- end
- end
- else
- if x~=0 then
- insert_node_before(head,n,newkern(x))
- end
- end
- end
- end
- end
- end
- if not keep then
- kerns={}
- end
- return head,true
- else
- end
- return head,false
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-
-if not modules then modules={} end modules ['otfl-luat-att']={
- version=math.pi/42,
- comment="companion to luaotfload.lua",
- author="Philipp Gesang",
- copyright="Luaotfload Development Team",
- license="GNU GPL v2"
-}
-function attributes.private(name)
- local attr="otfl@"..name
- local number=luatexbase.attributes[attr]
- if not number then
- number=luatexbase.new_attribute(attr)
- end
- return number
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['font-tfm']={
- version=1.001,
- comment="companion to font-ini.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local utf=unicode.utf8
-local next,format,match,lower,gsub=next,string.format,string.match,string.lower,string.gsub
-local concat,sortedkeys,utfbyte,serialize=table.concat,table.sortedkeys,utf.byte,table.serialize
-local trace_defining=false trackers.register("fonts.defining",function(v) trace_defining=v end)
-local trace_scaling=false trackers.register("fonts.scaling",function(v) trace_scaling=v end)
-fonts=fonts or {}
-fonts.tfm=fonts.tfm or {}
-fonts.ids=fonts.ids or {}
-local tfm=fonts.tfm
-fonts.loaded=fonts.loaded or {}
-fonts.dontembed=fonts.dontembed or {}
-fonts.triggers=fonts.triggers or {}
-fonts.initializers=fonts.initializers or {}
-fonts.initializers.common=fonts.initializers.common or {}
-local fontdata=fonts.ids
-local disc=node.id('disc')
-local glyph=node.id('glyph')
-local set_attribute=node.set_attribute
-tfm.resolve_vf=true
-tfm.share_base_kerns=false
-tfm.mathactions={}
-tfm.fontname_mode="fullpath"
-tfm.enhance=tfm.enhance or function() end
-fonts.formats.tfm="type1"
-function tfm.read_from_tfm(specification)
- local fname,tfmdata=specification.filename or "",nil
- if fname~="" then
- if trace_defining then
- logs.report("define font","loading tfm file %s at size %s",fname,specification.size)
- end
- tfmdata=font.read_tfm(fname,specification.size)
- if tfmdata then
- tfmdata.descriptions=tfmdata.descriptions or {}
- if tfm.resolve_vf then
- fonts.logger.save(tfmdata,file.extname(fname),specification)
- fname=resolvers.findbinfile(specification.name,'ovf')
- if fname and fname~="" then
- local vfdata=font.read_vf(fname,specification.size)
- if vfdata then
- local chars=tfmdata.characters
- for k,v in next,vfdata.characters do
- chars[k].commands=v.commands
- end
- tfmdata.type='virtual'
- tfmdata.fonts=vfdata.fonts
- end
- end
- end
- tfm.enhance(tfmdata,specification)
- end
- elseif trace_defining then
- logs.report("define font","loading tfm with name %s fails",specification.name)
- end
- return tfmdata
-end
-local factors={
- pt=65536.0,
- bp=65781.8,
-}
-function tfm.setfactor(f)
- tfm.factor=factors[f or 'pt'] or factors.pt
-end
-tfm.setfactor()
-function tfm.scaled(scaledpoints,designsize)
- if scaledpoints<0 then
- if designsize then
- if designsize>tfm.factor then
- return (- scaledpoints/1000)*designsize
- else
- return (- scaledpoints/1000)*designsize*tfm.factor
- end
- else
- return (- scaledpoints/1000)*10*tfm.factor
- end
- else
- return scaledpoints
- end
-end
-function tfm.get_virtual_id(tfmdata)
- if not tfmdata.fonts then
- tfmdata.type="virtual"
- tfmdata.fonts={ { id=0 } }
- return 1
- else
- tfmdata.fonts[#tfmdata.fonts+1]={ id=0 }
- return #tfmdata.fonts
- end
-end
-function tfm.check_virtual_id(tfmdata,id)
- if tfmdata and tfmdata.type=="virtual" then
- if not tfmdata.fonts or #tfmdata.fonts==0 then
- tfmdata.type,tfmdata.fonts="real",nil
- else
- local vfonts=tfmdata.fonts
- for f=1,#vfonts do
- local fnt=vfonts[f]
- if fnt.id and fnt.id==0 then
- fnt.id=id
- end
- end
- end
- end
-end
-fonts.trace_scaling=false
-local charactercache={}
-function tfm.calculate_scale(tfmtable,scaledpoints,relativeid)
- if scaledpoints<0 then
- scaledpoints=(- scaledpoints/1000)*tfmtable.designsize
- end
- local units=tfmtable.units or 1000
- local delta=scaledpoints/units
- return scaledpoints,delta,units
-end
-function tfm.do_scale(tfmtable,scaledpoints,relativeid)
- local t={}
- local scaledpoints,delta,units=tfm.calculate_scale(tfmtable,scaledpoints,relativeid)
- t.units_per_em=units or 1000
- local hdelta,vdelta=delta,delta
- for k,v in next,tfmtable do
- if type(v)=="table" then
- else
- t[k]=v
- end
- end
- local extend_factor=tfmtable.extend_factor or 0
- if extend_factor~=0 and extend_factor~=1 then
- hdelta=hdelta*extend_factor
- t.extend=extend_factor*1000
- else
- t.extend=1000
- end
- local slant_factor=tfmtable.slant_factor or 0
- if slant_factor~=0 then
- t.slant=slant_factor*1000
- else
- t.slant=0
- end
- local isvirtual=tfmtable.type=="virtual" or tfmtable.virtualized
- local hasmath=(tfmtable.math_parameters~=nil and next(tfmtable.math_parameters)~=nil) or (tfmtable.MathConstants~=nil and next(tfmtable.MathConstants)~=nil)
- local nodemode=tfmtable.mode=="node"
- local hasquality=tfmtable.auto_expand or tfmtable.auto_protrude
- local hasitalic=tfmtable.has_italic
- t.parameters={}
- t.characters={}
- t.MathConstants={}
- local descriptions=tfmtable.descriptions or {}
- t.unicodes=tfmtable.unicodes
- t.indices=tfmtable.indices
- t.marks=tfmtable.marks
-t.goodies=tfmtable.goodies
-t.colorscheme=tfmtable.colorscheme
- t.descriptions=descriptions
- if tfmtable.fonts then
- t.fonts=table.fastcopy(tfmtable.fonts)
- end
- local tp=t.parameters
- local mp=t.math_parameters
- local tfmp=tfmtable.parameters
- tp.slant=(tfmp.slant or tfmp[1] or 0)
- tp.space=(tfmp.space or tfmp[2] or 0)*hdelta
- tp.space_stretch=(tfmp.space_stretch or tfmp[3] or 0)*hdelta
- tp.space_shrink=(tfmp.space_shrink or tfmp[4] or 0)*hdelta
- tp.x_height=(tfmp.x_height or tfmp[5] or 0)*vdelta
- tp.quad=(tfmp.quad or tfmp[6] or 0)*hdelta
- tp.extra_space=(tfmp.extra_space or tfmp[7] or 0)*hdelta
- local protrusionfactor=(tp.quad~=0 and 1000/tp.quad) or 0
- local tc=t.characters
- local characters=tfmtable.characters
- local nameneeded=not tfmtable.shared.otfdata
- local changed=tfmtable.changed or {}
- local ischanged=changed and next(changed)
- local indices=tfmtable.indices
- local luatex=tfmtable.luatex
- local tounicode=luatex and luatex.tounicode
- local defaultwidth=luatex and luatex.defaultwidth or 0
- local defaultheight=luatex and luatex.defaultheight or 0
- local defaultdepth=luatex and luatex.defaultdepth or 0
- local scaledwidth=defaultwidth*hdelta
- local scaledheight=defaultheight*vdelta
- local scaleddepth=defaultdepth*vdelta
- local stackmath=tfmtable.ignore_stack_math~=true
- local private=fonts.private
- local sharedkerns={}
- for k,v in next,characters do
- local chr,description,index
- if ischanged then
- local c=changed[k]
- if c then
- description=descriptions[c] or v
- v=characters[c] or v
- index=(indices and indices[c]) or c
- else
- description=descriptions[k] or v
- index=(indices and indices[k]) or k
- end
- else
- description=descriptions[k] or v
- index=(indices and indices[k]) or k
- end
- local width=description.width
- local height=description.height
- local depth=description.depth
- if width then width=hdelta*width else width=scaledwidth end
- if height then height=vdelta*height else height=scaledheight end
- if depth and depth~=0 then
- depth=delta*depth
- if nameneeded then
- chr={
- name=description.name,
- index=index,
- height=height,
- depth=depth,
- width=width,
- }
- else
- chr={
- index=index,
- height=height,
- depth=depth,
- width=width,
- }
- end
- else
- if nameneeded then
- chr={
- name=description.name,
- index=index,
- height=height,
- width=width,
- }
- else
- chr={
- index=index,
- height=height,
- width=width,
- }
- end
- end
- if tounicode then
- local tu=tounicode[index]
- if tu then
- chr.tounicode=tu
- end
- end
- if hasquality then
- local ve=v.expansion_factor
- if ve then
- chr.expansion_factor=ve*1000
- end
- local vl=v.left_protruding
- if vl then
- chr.left_protruding=protrusionfactor*width*vl
- end
- local vr=v.right_protruding
- if vr then
- chr.right_protruding=protrusionfactor*width*vr
- end
- end
- if hasitalic then
- local vi=description.italic or v.italic
- if vi and vi~=0 then
- chr.italic=vi*hdelta
- end
- end
- if hasmath then
- local vn=v.next
- if vn then
- chr.next=vn
- else
- local vv=v.vert_variants
- if vv then
- local t={}
- for i=1,#vv do
- local vvi=vv[i]
- t[i]={
- ["start"]=(vvi["start"] or 0)*vdelta,
- ["end"]=(vvi["end"] or 0)*vdelta,
- ["advance"]=(vvi["advance"] or 0)*vdelta,
- ["extender"]=vvi["extender"],
- ["glyph"]=vvi["glyph"],
- }
- end
- chr.vert_variants=t
- else
- local hv=v.horiz_variants
- if hv then
- local t={}
- for i=1,#hv do
- local hvi=hv[i]
- t[i]={
- ["start"]=(hvi["start"] or 0)*hdelta,
- ["end"]=(hvi["end"] or 0)*hdelta,
- ["advance"]=(hvi["advance"] or 0)*hdelta,
- ["extender"]=hvi["extender"],
- ["glyph"]=hvi["glyph"],
- }
- end
- chr.horiz_variants=t
- end
- end
- end
- local vt=description.top_accent
- if vt then
- chr.top_accent=vdelta*vt
- end
- if stackmath then
- local mk=v.mathkerns
- if mk then
- local kerns={}
- local v=mk.top_right if v then local k={} for i=1,#v do local vi=v[i]
- k[i]={ height=vdelta*vi.height,kern=vdelta*vi.kern }
- end kerns.top_right=k end
- local v=mk.top_left if v then local k={} for i=1,#v do local vi=v[i]
- k[i]={ height=vdelta*vi.height,kern=vdelta*vi.kern }
- end kerns.top_left=k end
- local v=mk.bottom_left if v then local k={} for i=1,#v do local vi=v[i]
- k[i]={ height=vdelta*vi.height,kern=vdelta*vi.kern }
- end kerns.bottom_left=k end
- local v=mk.bottom_right if v then local k={} for i=1,#v do local vi=v[i]
- k[i]={ height=vdelta*vi.height,kern=vdelta*vi.kern }
- end kerns.bottom_right=k end
- chr.mathkern=kerns
- end
- end
- end
- if not nodemode then
- local vk=v.kerns
- if vk then
- local s=sharedkerns[vk]
- if not s then
- s={}
- for k,v in next,vk do s[k]=v*hdelta end
- sharedkerns[vk]=s
- end
- chr.kerns=s
- end
- local vl=v.ligatures
- if vl then
- if true then
- chr.ligatures=vl
- else
- local tt={}
- for i,l in next,vl do
- tt[i]=l
- end
- chr.ligatures=tt
- end
- end
- end
- if isvirtual then
- local vc=v.commands
- if vc then
- local ok=false
- for i=1,#vc do
- local key=vc[i][1]
- if key=="right" or key=="down" then
- ok=true
- break
- end
- end
- if ok then
- local tt={}
- for i=1,#vc do
- local ivc=vc[i]
- local key=ivc[1]
- if key=="right" then
- tt[#tt+1]={ key,ivc[2]*hdelta }
- elseif key=="down" then
- tt[#tt+1]={ key,ivc[2]*vdelta }
- elseif key=="rule" then
- tt[#tt+1]={ key,ivc[2]*vdelta,ivc[3]*hdelta }
- else
- tt[#tt+1]=ivc
- end
- end
- chr.commands=tt
- else
- chr.commands=vc
- end
- end
- end
- tc[k]=chr
- end
- t.size=scaledpoints
- t.factor=delta
- t.hfactor=hdelta
- t.vfactor=vdelta
- if t.fonts then
- t.fonts=table.fastcopy(t.fonts)
- end
- if hasmath then
- local ma=tfm.mathactions
- for i=1,#ma do
- ma[i](t,tfmtable,delta,hdelta,vdelta)
- end
- end
- local tpx=tp.x_height
- if hasmath then
- if not tp[13] then tp[13]=.86*tpx end
- if not tp[14] then tp[14]=.86*tpx end
- if not tp[15] then tp[15]=.86*tpx end
- if not tp[16] then tp[16]=.48*tpx end
- if not tp[17] then tp[17]=.48*tpx end
- if not tp[22] then tp[22]=0 end
- if t.MathConstants then t.MathConstants.AccentBaseHeight=nil end
- end
- t.tounicode=1
- t.cidinfo=tfmtable.cidinfo
- if hasmath then
- if trace_defining then
- logs.report("define font","math enabled for: name '%s', fullname: '%s', filename: '%s'",t.name or "noname",t.fullname or "nofullname",t.filename or "nofilename")
- end
- else
- if trace_defining then
- logs.report("define font","math disabled for: name '%s', fullname: '%s', filename: '%s'",t.name or "noname",t.fullname or "nofullname",t.filename or "nofilename")
- end
- t.nomath,t.MathConstants=true,nil
- end
- if not t.psname then
- t.psname=t.fontname or (t.fullname and fonts.names.cleanname(t.fullname))
- end
- if trace_defining then
- logs.report("define font","used for accesing subfont: '%s'",t.psname or "nopsname")
- logs.report("define font","used for subsetting: '%s'",t.fontname or "nofontname")
- end
- return t,delta
-end
-tfm.auto_cleanup=true
-local lastfont=nil
-function tfm.cleanup_table(tfmdata)
- if tfm.auto_cleanup then
- if tfmdata.type=='virtual' or tfmdata.virtualized then
- for k,v in next,tfmdata.characters do
- if v.commands then v.commands=nil end
- end
- else
- end
- end
-end
-function tfm.cleanup(tfmdata)
-end
-function tfm.scale(tfmtable,scaledpoints,relativeid)
- local t,factor=tfm.do_scale(tfmtable,scaledpoints,relativeid)
- t.factor=factor
- t.ascender=factor*(tfmtable.ascender or 0)
- t.descender=factor*(tfmtable.descender or 0)
- t.shared=tfmtable.shared or {}
- t.unique=table.fastcopy(tfmtable.unique or {})
- tfm.cleanup(t)
- return t
-end
-fonts.analyzers=fonts.analyzers or {}
-fonts.analyzers.aux=fonts.analyzers.aux or {}
-fonts.analyzers.methods=fonts.analyzers.methods or {}
-fonts.analyzers.initializers=fonts.analyzers.initializers or {}
-local state=attributes.private('state')
-function fonts.analyzers.aux.setstate(head,font)
- local tfmdata=fontdata[font]
- local characters=tfmdata.characters
- local descriptions=tfmdata.descriptions
- local first,last,current,n,done=nil,nil,head,0,false
- while current do
- local id=current.id
- if id==glyph and current.font==font then
- local d=descriptions[current.char]
- if d then
- if d.class=="mark" then
- done=true
- set_attribute(current,state,5)
- elseif n==0 then
- first,last,n=current,current,1
- set_attribute(current,state,1)
- else
- last,n=current,n+1
- set_attribute(current,state,2)
- end
- else
- if first and first==last then
- set_attribute(last,state,4)
- elseif last then
- set_attribute(last,state,3)
- end
- first,last,n=nil,nil,0
- end
- elseif id==disc then
- set_attribute(current,state,2)
- last=current
- else
- if first and first==last then
- set_attribute(last,state,4)
- elseif last then
- set_attribute(last,state,3)
- end
- first,last,n=nil,nil,0
- end
- current=current.next
- end
- if first and first==last then
- set_attribute(last,state,4)
- elseif last then
- set_attribute(last,state,3)
- end
- return head,done
-end
-function tfm.replacements(tfm,value)
- tfm.characters[0x0027]=tfm.characters[0x2019]
-end
-function tfm.checked_filename(metadata,whatever)
- local foundfilename=metadata.foundfilename
- if not foundfilename then
- local askedfilename=metadata.filename or ""
- if askedfilename~="" then
- foundfilename=resolvers.findbinfile(askedfilename,"") or ""
- if foundfilename=="" then
- logs.report("fonts","source file '%s' is not found",askedfilename)
- foundfilename=resolvers.findbinfile(file.basename(askedfilename),"") or ""
- if foundfilename~="" then
- logs.report("fonts","using source file '%s' (cache mismatch)",foundfilename)
- end
- end
- elseif whatever then
- logs.report("fonts","no source file for '%s'",whatever)
- foundfilename=""
- end
- metadata.foundfilename=foundfilename
- end
- return foundfilename
-end
-statistics.register("fonts load time",function()
- return statistics.elapsedseconds(fonts)
-end)
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['font-cid']={
- version=1.001,
- comment="companion to font-otf.lua (cidmaps)",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local format,match,lower=string.format,string.match,string.lower
-local tonumber=tonumber
-local lpegmatch=lpeg.match
-local trace_loading=false trackers.register("otf.loading",function(v) trace_loading=v end)
-fonts=fonts or {}
-fonts.cid=fonts.cid or {}
-fonts.cid.map=fonts.cid.map or {}
-fonts.cid.max=fonts.cid.max or 10
-local number=lpeg.C(lpeg.R("09","af","AF")^1)
-local space=lpeg.S(" \n\r\t")
-local spaces=space^0
-local period=lpeg.P(".")
-local periods=period*period
-local name=lpeg.P("/")*lpeg.C((1-space)^1)
-local unicodes,names={},{}
-local function do_one(a,b)
- unicodes[tonumber(a)]=tonumber(b,16)
-end
-local function do_range(a,b,c)
- c=tonumber(c,16)
- for i=tonumber(a),tonumber(b) do
- unicodes[i]=c
- c=c+1
- end
-end
-local function do_name(a,b)
- names[tonumber(a)]=b
-end
-local grammar=lpeg.P { "start",
- start=number*spaces*number*lpeg.V("series"),
- series=(spaces*(lpeg.V("one")+lpeg.V("range")+lpeg.V("named")) )^1,
- one=(number*spaces*number)/do_one,
- range=(number*periods*number*spaces*number)/do_range,
- named=(number*spaces*name)/do_name
-}
-function fonts.cid.load(filename)
- local data=io.loaddata(filename)
- if data then
- unicodes,names={},{}
- lpegmatch(grammar,data)
- local supplement,registry,ordering=match(filename,"^(.-)%-(.-)%-()%.(.-)$")
- return {
- supplement=supplement,
- registry=registry,
- ordering=ordering,
- filename=filename,
- unicodes=unicodes,
- names=names
- }
- else
- return nil
- end
-end
-local template="%s-%s-%s.cidmap"
-local function locate(registry,ordering,supplement)
- local filename=format(template,registry,ordering,supplement)
- local hashname=lower(filename)
- local cidmap=fonts.cid.map[hashname]
- if not cidmap then
- if trace_loading then
- logs.report("load otf","checking cidmap, registry: %s, ordering: %s, supplement: %s, filename: %s",registry,ordering,supplement,filename)
- end
- local fullname=resolvers.find_file(filename,'cid') or ""
- if fullname~="" then
- cidmap=fonts.cid.load(fullname)
- if cidmap then
- if trace_loading then
- logs.report("load otf","using cidmap file %s",filename)
- end
- fonts.cid.map[hashname]=cidmap
- cidmap.usedname=file.basename(filename)
- return cidmap
- end
- end
- end
- return cidmap
-end
-function fonts.cid.getmap(registry,ordering,supplement)
- local supplement=tonumber(supplement)
- if trace_loading then
- logs.report("load otf","needed cidmap, registry: %s, ordering: %s, supplement: %s",registry,ordering,supplement)
- end
- local cidmap=locate(registry,ordering,supplement)
- if not cidmap then
- local cidnum=nil
- if supplement<fonts.cid.max then
- for supplement=supplement+1,fonts.cid.max do
- local c=locate(registry,ordering,supplement)
- if c then
- cidmap,cidnum=c,supplement
- break
- end
- end
- end
- if not cidmap and supplement>0 then
- for supplement=supplement-1,0,-1 do
- local c=locate(registry,ordering,supplement)
- if c then
- cidmap,cidnum=c,supplement
- break
- end
- end
- end
- if cidmap and cidnum>0 then
- for s=0,cidnum-1 do
- filename=format(template,registry,ordering,s)
- if not fonts.cid.map[filename] then
- fonts.cid.map[filename]=cidmap
- end
- end
- end
- end
- return cidmap
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['font-otf']={
- version=1.001,
- comment="companion to font-otf.lua (tables)",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local type,next,tonumber,tostring=type,next,tonumber,tostring
-local gsub,lower=string.gsub,string.lower
-fonts=fonts or {}
-fonts.otf=fonts.otf or {}
-local otf=fonts.otf
-otf.tables=otf.tables or {}
-otf.meanings=otf.meanings or {}
-otf.tables.scripts={
- ['dflt']='Default',
- ['arab']='Arabic',
- ['armn']='Armenian',
- ['bali']='Balinese',
- ['beng']='Bengali',
- ['bopo']='Bopomofo',
- ['brai']='Braille',
- ['bugi']='Buginese',
- ['buhd']='Buhid',
- ['byzm']='Byzantine Music',
- ['cans']='Canadian Syllabics',
- ['cher']='Cherokee',
- ['copt']='Coptic',
- ['cprt']='Cypriot Syllabary',
- ['cyrl']='Cyrillic',
- ['deva']='Devanagari',
- ['dsrt']='Deseret',
- ['ethi']='Ethiopic',
- ['geor']='Georgian',
- ['glag']='Glagolitic',
- ['goth']='Gothic',
- ['grek']='Greek',
- ['gujr']='Gujarati',
- ['guru']='Gurmukhi',
- ['hang']='Hangul',
- ['hani']='CJK Ideographic',
- ['hano']='Hanunoo',
- ['hebr']='Hebrew',
- ['ital']='Old Italic',
- ['jamo']='Hangul Jamo',
- ['java']='Javanese',
- ['kana']='Hiragana and Katakana',
- ['khar']='Kharosthi',
- ['khmr']='Khmer',
- ['knda']='Kannada',
- ['lao' ]='Lao',
- ['latn']='Latin',
- ['limb']='Limbu',
- ['linb']='Linear B',
- ['math']='Mathematical Alphanumeric Symbols',
- ['mlym']='Malayalam',
- ['mong']='Mongolian',
- ['musc']='Musical Symbols',
- ['mymr']='Myanmar',
- ['nko' ]="N'ko",
- ['ogam']='Ogham',
- ['orya']='Oriya',
- ['osma']='Osmanya',
- ['phag']='Phags-pa',
- ['phnx']='Phoenician',
- ['runr']='Runic',
- ['shaw']='Shavian',
- ['sinh']='Sinhala',
- ['sylo']='Syloti Nagri',
- ['syrc']='Syriac',
- ['tagb']='Tagbanwa',
- ['tale']='Tai Le',
- ['talu']='Tai Lu',
- ['taml']='Tamil',
- ['telu']='Telugu',
- ['tfng']='Tifinagh',
- ['tglg']='Tagalog',
- ['thaa']='Thaana',
- ['thai']='Thai',
- ['tibt']='Tibetan',
- ['ugar']='Ugaritic Cuneiform',
- ['xpeo']='Old Persian Cuneiform',
- ['xsux']='Sumero-Akkadian Cuneiform',
- ['yi' ]='Yi',
-}
-otf.tables.languages={
- ['dflt']='Default',
- ['aba']='Abaza',
- ['abk']='Abkhazian',
- ['ady']='Adyghe',
- ['afk']='Afrikaans',
- ['afr']='Afar',
- ['agw']='Agaw',
- ['als']='Alsatian',
- ['alt']='Altai',
- ['amh']='Amharic',
- ['ara']='Arabic',
- ['ari']='Aari',
- ['ark']='Arakanese',
- ['asm']='Assamese',
- ['ath']='Athapaskan',
- ['avr']='Avar',
- ['awa']='Awadhi',
- ['aym']='Aymara',
- ['aze']='Azeri',
- ['bad']='Badaga',
- ['bag']='Baghelkhandi',
- ['bal']='Balkar',
- ['bau']='Baule',
- ['bbr']='Berber',
- ['bch']='Bench',
- ['bcr']='Bible Cree',
- ['bel']='Belarussian',
- ['bem']='Bemba',
- ['ben']='Bengali',
- ['bgr']='Bulgarian',
- ['bhi']='Bhili',
- ['bho']='Bhojpuri',
- ['bik']='Bikol',
- ['bil']='Bilen',
- ['bkf']='Blackfoot',
- ['bli']='Balochi',
- ['bln']='Balante',
- ['blt']='Balti',
- ['bmb']='Bambara',
- ['bml']='Bamileke',
- ['bos']='Bosnian',
- ['bre']='Breton',
- ['brh']='Brahui',
- ['bri']='Braj Bhasha',
- ['brm']='Burmese',
- ['bsh']='Bashkir',
- ['bti']='Beti',
- ['cat']='Catalan',
- ['ceb']='Cebuano',
- ['che']='Chechen',
- ['chg']='Chaha Gurage',
- ['chh']='Chattisgarhi',
- ['chi']='Chichewa',
- ['chk']='Chukchi',
- ['chp']='Chipewyan',
- ['chr']='Cherokee',
- ['chu']='Chuvash',
- ['cmr']='Comorian',
- ['cop']='Coptic',
- ['cos']='Corsican',
- ['cre']='Cree',
- ['crr']='Carrier',
- ['crt']='Crimean Tatar',
- ['csl']='Church Slavonic',
- ['csy']='Czech',
- ['dan']='Danish',
- ['dar']='Dargwa',
- ['dcr']='Woods Cree',
- ['deu']='German',
- ['dgr']='Dogri',
- ['div']='Divehi',
- ['djr']='Djerma',
- ['dng']='Dangme',
- ['dnk']='Dinka',
- ['dri']='Dari',
- ['dun']='Dungan',
- ['dzn']='Dzongkha',
- ['ebi']='Ebira',
- ['ecr']='Eastern Cree',
- ['edo']='Edo',
- ['efi']='Efik',
- ['ell']='Greek',
- ['eng']='English',
- ['erz']='Erzya',
- ['esp']='Spanish',
- ['eti']='Estonian',
- ['euq']='Basque',
- ['evk']='Evenki',
- ['evn']='Even',
- ['ewe']='Ewe',
- ['fan']='French Antillean',
- ['far']='Farsi',
- ['fin']='Finnish',
- ['fji']='Fijian',
- ['fle']='Flemish',
- ['fne']='Forest Nenets',
- ['fon']='Fon',
- ['fos']='Faroese',
- ['fra']='French',
- ['fri']='Frisian',
- ['frl']='Friulian',
- ['fta']='Futa',
- ['ful']='Fulani',
- ['gad']='Ga',
- ['gae']='Gaelic',
- ['gag']='Gagauz',
- ['gal']='Galician',
- ['gar']='Garshuni',
- ['gaw']='Garhwali',
- ['gez']="Ge'ez",
- ['gil']='Gilyak',
- ['gmz']='Gumuz',
- ['gon']='Gondi',
- ['grn']='Greenlandic',
- ['gro']='Garo',
- ['gua']='Guarani',
- ['guj']='Gujarati',
- ['hai']='Haitian',
- ['hal']='Halam',
- ['har']='Harauti',
- ['hau']='Hausa',
- ['haw']='Hawaiin',
- ['hbn']='Hammer-Banna',
- ['hil']='Hiligaynon',
- ['hin']='Hindi',
- ['hma']='High Mari',
- ['hnd']='Hindko',
- ['ho']='Ho',
- ['hri']='Harari',
- ['hrv']='Croatian',
- ['hun']='Hungarian',
- ['hye']='Armenian',
- ['ibo']='Igbo',
- ['ijo']='Ijo',
- ['ilo']='Ilokano',
- ['ind']='Indonesian',
- ['ing']='Ingush',
- ['inu']='Inuktitut',
- ['iri']='Irish',
- ['irt']='Irish Traditional',
- ['isl']='Icelandic',
- ['ism']='Inari Sami',
- ['ita']='Italian',
- ['iwr']='Hebrew',
- ['jan']='Japanese',
- ['jav']='Javanese',
- ['jii']='Yiddish',
- ['jud']='Judezmo',
- ['jul']='Jula',
- ['kab']='Kabardian',
- ['kac']='Kachchi',
- ['kal']='Kalenjin',
- ['kan']='Kannada',
- ['kar']='Karachay',
- ['kat']='Georgian',
- ['kaz']='Kazakh',
- ['keb']='Kebena',
- ['kge']='Khutsuri Georgian',
- ['kha']='Khakass',
- ['khk']='Khanty-Kazim',
- ['khm']='Khmer',
- ['khs']='Khanty-Shurishkar',
- ['khv']='Khanty-Vakhi',
- ['khw']='Khowar',
- ['kik']='Kikuyu',
- ['kir']='Kirghiz',
- ['kis']='Kisii',
- ['kkn']='Kokni',
- ['klm']='Kalmyk',
- ['kmb']='Kamba',
- ['kmn']='Kumaoni',
- ['kmo']='Komo',
- ['kms']='Komso',
- ['knr']='Kanuri',
- ['kod']='Kodagu',
- ['koh']='Korean Old Hangul',
- ['kok']='Konkani',
- ['kon']='Kikongo',
- ['kop']='Komi-Permyak',
- ['kor']='Korean',
- ['koz']='Komi-Zyrian',
- ['kpl']='Kpelle',
- ['kri']='Krio',
- ['krk']='Karakalpak',
- ['krl']='Karelian',
- ['krm']='Karaim',
- ['krn']='Karen',
- ['krt']='Koorete',
- ['ksh']='Kashmiri',
- ['ksi']='Khasi',
- ['ksm']='Kildin Sami',
- ['kui']='Kui',
- ['kul']='Kulvi',
- ['kum']='Kumyk',
- ['kur']='Kurdish',
- ['kuu']='Kurukh',
- ['kuy']='Kuy',
- ['kyk']='Koryak',
- ['lad']='Ladin',
- ['lah']='Lahuli',
- ['lak']='Lak',
- ['lam']='Lambani',
- ['lao']='Lao',
- ['lat']='Latin',
- ['laz']='Laz',
- ['lcr']='L-Cree',
- ['ldk']='Ladakhi',
- ['lez']='Lezgi',
- ['lin']='Lingala',
- ['lma']='Low Mari',
- ['lmb']='Limbu',
- ['lmw']='Lomwe',
- ['lsb']='Lower Sorbian',
- ['lsm']='Lule Sami',
- ['lth']='Lithuanian',
- ['ltz']='Luxembourgish',
- ['lub']='Luba',
- ['lug']='Luganda',
- ['luh']='Luhya',
- ['luo']='Luo',
- ['lvi']='Latvian',
- ['maj']='Majang',
- ['mak']='Makua',
- ['mal']='Malayalam Traditional',
- ['man']='Mansi',
- ['map']='Mapudungun',
- ['mar']='Marathi',
- ['maw']='Marwari',
- ['mbn']='Mbundu',
- ['mch']='Manchu',
- ['mcr']='Moose Cree',
- ['mde']='Mende',
- ['men']="Me'en",
- ['miz']='Mizo',
- ['mkd']='Macedonian',
- ['mle']='Male',
- ['mlg']='Malagasy',
- ['mln']='Malinke',
- ['mlr']='Malayalam Reformed',
- ['mly']='Malay',
- ['mnd']='Mandinka',
- ['mng']='Mongolian',
- ['mni']='Manipuri',
- ['mnk']='Maninka',
- ['mnx']='Manx Gaelic',
- ['moh']='Mohawk',
- ['mok']='Moksha',
- ['mol']='Moldavian',
- ['mon']='Mon',
- ['mor']='Moroccan',
- ['mri']='Maori',
- ['mth']='Maithili',
- ['mts']='Maltese',
- ['mun']='Mundari',
- ['nag']='Naga-Assamese',
- ['nan']='Nanai',
- ['nas']='Naskapi',
- ['ncr']='N-Cree',
- ['ndb']='Ndebele',
- ['ndg']='Ndonga',
- ['nep']='Nepali',
- ['new']='Newari',
- ['ngr']='Nagari',
- ['nhc']='Norway House Cree',
- ['nis']='Nisi',
- ['niu']='Niuean',
- ['nkl']='Nkole',
- ['nko']="N'ko",
- ['nld']='Dutch',
- ['nog']='Nogai',
- ['nor']='Norwegian',
- ['nsm']='Northern Sami',
- ['nta']='Northern Tai',
- ['nto']='Esperanto',
- ['nyn']='Nynorsk',
- ['oci']='Occitan',
- ['ocr']='Oji-Cree',
- ['ojb']='Ojibway',
- ['ori']='Oriya',
- ['oro']='Oromo',
- ['oss']='Ossetian',
- ['paa']='Palestinian Aramaic',
- ['pal']='Pali',
- ['pan']='Punjabi',
- ['pap']='Palpa',
- ['pas']='Pashto',
- ['pgr']='Polytonic Greek',
- ['pil']='Pilipino',
- ['plg']='Palaung',
- ['plk']='Polish',
- ['pro']='Provencal',
- ['ptg']='Portuguese',
- ['qin']='Chin',
- ['raj']='Rajasthani',
- ['rbu']='Russian Buriat',
- ['rcr']='R-Cree',
- ['ria']='Riang',
- ['rms']='Rhaeto-Romanic',
- ['rom']='Romanian',
- ['roy']='Romany',
- ['rsy']='Rusyn',
- ['rua']='Ruanda',
- ['rus']='Russian',
- ['sad']='Sadri',
- ['san']='Sanskrit',
- ['sat']='Santali',
- ['say']='Sayisi',
- ['sek']='Sekota',
- ['sel']='Selkup',
- ['sgo']='Sango',
- ['shn']='Shan',
- ['sib']='Sibe',
- ['sid']='Sidamo',
- ['sig']='Silte Gurage',
- ['sks']='Skolt Sami',
- ['sky']='Slovak',
- ['sla']='Slavey',
- ['slv']='Slovenian',
- ['sml']='Somali',
- ['smo']='Samoan',
- ['sna']='Sena',
- ['snd']='Sindhi',
- ['snh']='Sinhalese',
- ['snk']='Soninke',
- ['sog']='Sodo Gurage',
- ['sot']='Sotho',
- ['sqi']='Albanian',
- ['srb']='Serbian',
- ['srk']='Saraiki',
- ['srr']='Serer',
- ['ssl']='South Slavey',
- ['ssm']='Southern Sami',
- ['sur']='Suri',
- ['sva']='Svan',
- ['sve']='Swedish',
- ['swa']='Swadaya Aramaic',
- ['swk']='Swahili',
- ['swz']='Swazi',
- ['sxt']='Sutu',
- ['syr']='Syriac',
- ['tab']='Tabasaran',
- ['taj']='Tajiki',
- ['tam']='Tamil',
- ['tat']='Tatar',
- ['tcr']='TH-Cree',
- ['tel']='Telugu',
- ['tgn']='Tongan',
- ['tgr']='Tigre',
- ['tgy']='Tigrinya',
- ['tha']='Thai',
- ['tht']='Tahitian',
- ['tib']='Tibetan',
- ['tkm']='Turkmen',
- ['tmn']='Temne',
- ['tna']='Tswana',
- ['tne']='Tundra Nenets',
- ['tng']='Tonga',
- ['tod']='Todo',
- ['trk']='Turkish',
- ['tsg']='Tsonga',
- ['tua']='Turoyo Aramaic',
- ['tul']='Tulu',
- ['tuv']='Tuvin',
- ['twi']='Twi',
- ['udm']='Udmurt',
- ['ukr']='Ukrainian',
- ['urd']='Urdu',
- ['usb']='Upper Sorbian',
- ['uyg']='Uyghur',
- ['uzb']='Uzbek',
- ['ven']='Venda',
- ['vit']='Vietnamese',
- ['wa' ]='Wa',
- ['wag']='Wagdi',
- ['wcr']='West-Cree',
- ['wel']='Welsh',
- ['wlf']='Wolof',
- ['xbd']='Tai Lue',
- ['xhs']='Xhosa',
- ['yak']='Yakut',
- ['yba']='Yoruba',
- ['ycr']='Y-Cree',
- ['yic']='Yi Classic',
- ['yim']='Yi Modern',
- ['zhh']='Chinese Hong Kong',
- ['zhp']='Chinese Phonetic',
- ['zhs']='Chinese Simplified',
- ['zht']='Chinese Traditional',
- ['znd']='Zande',
- ['zul']='Zulu'
-}
-otf.tables.features={
- ['aalt']='Access All Alternates',
- ['abvf']='Above-Base Forms',
- ['abvm']='Above-Base Mark Positioning',
- ['abvs']='Above-Base Substitutions',
- ['afrc']='Alternative Fractions',
- ['akhn']='Akhands',
- ['blwf']='Below-Base Forms',
- ['blwm']='Below-Base Mark Positioning',
- ['blws']='Below-Base Substitutions',
- ['c2pc']='Petite Capitals From Capitals',
- ['c2sc']='Small Capitals From Capitals',
- ['calt']='Contextual Alternates',
- ['case']='Case-Sensitive Forms',
- ['ccmp']='Glyph Composition/Decomposition',
- ['cjct']='Conjunct Forms',
- ['clig']='Contextual Ligatures',
- ['cpsp']='Capital Spacing',
- ['cswh']='Contextual Swash',
- ['curs']='Cursive Positioning',
- ['dflt']='Default Processing',
- ['dist']='Distances',
- ['dlig']='Discretionary Ligatures',
- ['dnom']='Denominators',
- ['dtls']='Dotless Forms',
- ['expt']='Expert Forms',
- ['falt']='Final glyph Alternates',
- ['fin2']='Terminal Forms #2',
- ['fin3']='Terminal Forms #3',
- ['fina']='Terminal Forms',
- ['flac']='Flattened Accents Over Capitals',
- ['frac']='Fractions',
- ['fwid']='Full Width',
- ['half']='Half Forms',
- ['haln']='Halant Forms',
- ['halt']='Alternate Half Width',
- ['hist']='Historical Forms',
- ['hkna']='Horizontal Kana Alternates',
- ['hlig']='Historical Ligatures',
- ['hngl']='Hangul',
- ['hojo']='Hojo Kanji Forms',
- ['hwid']='Half Width',
- ['init']='Initial Forms',
- ['isol']='Isolated Forms',
- ['ital']='Italics',
- ['jalt']='Justification Alternatives',
- ['jp04']='JIS2004 Forms',
- ['jp78']='JIS78 Forms',
- ['jp83']='JIS83 Forms',
- ['jp90']='JIS90 Forms',
- ['kern']='Kerning',
- ['lfbd']='Left Bounds',
- ['liga']='Standard Ligatures',
- ['ljmo']='Leading Jamo Forms',
- ['lnum']='Lining Figures',
- ['locl']='Localized Forms',
- ['mark']='Mark Positioning',
- ['med2']='Medial Forms #2',
- ['medi']='Medial Forms',
- ['mgrk']='Mathematical Greek',
- ['mkmk']='Mark to Mark Positioning',
- ['mset']='Mark Positioning via Substitution',
- ['nalt']='Alternate Annotation Forms',
- ['nlck']='NLC Kanji Forms',
- ['nukt']='Nukta Forms',
- ['numr']='Numerators',
- ['onum']='Old Style Figures',
- ['opbd']='Optical Bounds',
- ['ordn']='Ordinals',
- ['ornm']='Ornaments',
- ['palt']='Proportional Alternate Width',
- ['pcap']='Petite Capitals',
- ['pnum']='Proportional Figures',
- ['pref']='Pre-base Forms',
- ['pres']='Pre-base Substitutions',
- ['pstf']='Post-base Forms',
- ['psts']='Post-base Substitutions',
- ['pwid']='Proportional Widths',
- ['qwid']='Quarter Widths',
- ['rand']='Randomize',
- ['rkrf']='Rakar Forms',
- ['rlig']='Required Ligatures',
- ['rphf']='Reph Form',
- ['rtbd']='Right Bounds',
- ['rtla']='Right-To-Left Alternates',
- ['rtlm']='Right To Left Math',
- ['ruby']='Ruby Notation Forms',
- ['salt']='Stylistic Alternates',
- ['sinf']='Scientific Inferiors',
- ['size']='Optical Size',
- ['smcp']='Small Capitals',
- ['smpl']='Simplified Forms',
- ['ss01']='Stylistic Set 1',
- ['ss02']='Stylistic Set 2',
- ['ss03']='Stylistic Set 3',
- ['ss04']='Stylistic Set 4',
- ['ss05']='Stylistic Set 5',
- ['ss06']='Stylistic Set 6',
- ['ss07']='Stylistic Set 7',
- ['ss08']='Stylistic Set 8',
- ['ss09']='Stylistic Set 9',
- ['ss10']='Stylistic Set 10',
- ['ss11']='Stylistic Set 11',
- ['ss12']='Stylistic Set 12',
- ['ss13']='Stylistic Set 13',
- ['ss14']='Stylistic Set 14',
- ['ss15']='Stylistic Set 15',
- ['ss16']='Stylistic Set 16',
- ['ss17']='Stylistic Set 17',
- ['ss18']='Stylistic Set 18',
- ['ss19']='Stylistic Set 19',
- ['ss20']='Stylistic Set 20',
- ['ssty']='Script Style',
- ['subs']='Subscript',
- ['sups']='Superscript',
- ['swsh']='Swash',
- ['titl']='Titling',
- ['tjmo']='Trailing Jamo Forms',
- ['tnam']='Traditional Name Forms',
- ['tnum']='Tabular Figures',
- ['trad']='Traditional Forms',
- ['twid']='Third Widths',
- ['unic']='Unicase',
- ['valt']='Alternate Vertical Metrics',
- ['vatu']='Vattu Variants',
- ['vert']='Vertical Writing',
- ['vhal']='Alternate Vertical Half Metrics',
- ['vjmo']='Vowel Jamo Forms',
- ['vkna']='Vertical Kana Alternates',
- ['vkrn']='Vertical Kerning',
- ['vpal']='Proportional Alternate Vertical Metrics',
- ['vrt2']='Vertical Rotation',
- ['zero']='Slashed Zero',
- ['trep']='Traditional TeX Replacements',
- ['tlig']='Traditional TeX Ligatures',
-}
-otf.tables.baselines={
- ['hang']='Hanging baseline',
- ['icfb']='Ideographic character face bottom edge baseline',
- ['icft']='Ideographic character face tope edige baseline',
- ['ideo']='Ideographic em-box bottom edge baseline',
- ['idtp']='Ideographic em-box top edge baseline',
- ['math']='Mathmatical centered baseline',
- ['romn']='Roman baseline'
-}
-function otf.tables.to_tag(id)
- return stringformat("%4s",lower(id))
-end
-local function resolve(tab,id)
- if tab and id then
- id=lower(id)
- return tab[id] or tab[gsub(id," ","")] or tab['dflt'] or ''
- else
- return "unknown"
- end
-end
-function otf.meanings.script(id)
- return resolve(otf.tables.scripts,id)
-end
-function otf.meanings.language(id)
- return resolve(otf.tables.languages,id)
-end
-function otf.meanings.feature(id)
- return resolve(otf.tables.features,id)
-end
-function otf.meanings.baseline(id)
- return resolve(otf.tables.baselines,id)
-end
-otf.tables.to_scripts=table.reverse_hash(otf.tables.scripts )
-otf.tables.to_languages=table.reverse_hash(otf.tables.languages)
-otf.tables.to_features=table.reverse_hash(otf.tables.features )
-local scripts=otf.tables.scripts
-local languages=otf.tables.languages
-local features=otf.tables.features
-local to_scripts=otf.tables.to_scripts
-local to_languages=otf.tables.to_languages
-local to_features=otf.tables.to_features
-for k,v in next,to_features do
- local stripped=gsub(k,"%-"," ")
- to_features[stripped]=v
- local stripped=gsub(k,"[^a-zA-Z0-9]","")
- to_features[stripped]=v
-end
-for k,v in next,to_features do
- to_features[lower(k)]=v
-end
-otf.meanings.checkers={
- rand=function(v)
- return v and "random"
- end
-}
-local checkers=otf.meanings.checkers
-function otf.meanings.normalize(features)
- local h={}
- for k,v in next,features do
- k=lower(k)
- if k=="language" or k=="lang" then
- v=gsub(lower(v),"[^a-z0-9%-]","")
- if not languages[v] then
- h.language=to_languages[v] or "dflt"
- else
- h.language=v
- end
- elseif k=="script" then
- v=gsub(lower(v),"[^a-z0-9%-]","")
- if not scripts[v] then
- h.script=to_scripts[v] or "dflt"
- else
- h.script=v
- end
- else
- if type(v)=="string" then
- local b=v:is_boolean()
- if type(b)=="nil" then
- v=tonumber(v) or lower(v)
- else
- v=b
- end
- end
- k=to_features[k] or k
- local c=checkers[k]
- h[k]=c and c(v) or v
- end
- end
- return h
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['font-map']={
- version=1.001,
- comment="companion to font-ini.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local utf=unicode.utf8
-local match,format,find,concat,gsub,lower=string.match,string.format,string.find,table.concat,string.gsub,string.lower
-local lpegmatch=lpeg.match
-local utfbyte=utf.byte
-local trace_loading=false trackers.register("otf.loading",function(v) trace_loading=v end)
-local trace_unimapping=false trackers.register("otf.unimapping",function(v) trace_unimapping=v end)
-local ctxcatcodes=tex and tex.ctxcatcodes
-fonts=fonts or {}
-fonts.map=fonts.map or {}
-local function load_lum_table(filename)
- local lumname=file.replacesuffix(file.basename(filename),"lum")
- local lumfile=resolvers.find_file(lumname,"map") or ""
- if lumfile~="" and lfs.isfile(lumfile) then
- if trace_loading or trace_unimapping then
- logs.report("load otf","enhance: loading %s ",lumfile)
- end
- lumunic=dofile(lumfile)
- return lumunic,lumfile
- end
-end
-local hex=lpeg.R("AF","09")
-local hexfour=(hex*hex*hex*hex)/function(s) return tonumber(s,16) end
-local hexsix=(hex^1)/function(s) return tonumber(s,16) end
-local dec=(lpeg.R("09")^1)/tonumber
-local period=lpeg.P(".")
-local unicode=lpeg.P("uni")*(hexfour*(period+lpeg.P(-1))*lpeg.Cc(false)+lpeg.Ct(hexfour^1)*lpeg.Cc(true))
-local ucode=lpeg.P("u")*(hexsix*(period+lpeg.P(-1))*lpeg.Cc(false)+lpeg.Ct(hexsix^1)*lpeg.Cc(true))
-local index=lpeg.P("index")*dec*lpeg.Cc(false)
-local parser=unicode+ucode+index
-local parsers={}
-local function make_name_parser(str)
- if not str or str=="" then
- return parser
- else
- local p=parsers[str]
- if not p then
- p=lpeg.P(str)*period*dec*lpeg.Cc(false)
- parsers[str]=p
- end
- return p
- end
-end
-local function tounicode16(unicode)
- if unicode<0x10000 then
- return format("%04X",unicode)
- else
- return format("%04X%04X",unicode/1024+0xD800,unicode%1024+0xDC00)
- end
-end
-local function tounicode16sequence(unicodes)
- local t={}
- for l=1,#unicodes do
- local unicode=unicodes[l]
- if unicode<0x10000 then
- t[l]=format("%04X",unicode)
- else
- t[l]=format("%04X%04X",unicode/1024+0xD800,unicode%1024+0xDC00)
- end
- end
- return concat(t)
-end
-fonts.map.load_lum_table=load_lum_table
-fonts.map.make_name_parser=make_name_parser
-fonts.map.tounicode16=tounicode16
-fonts.map.tounicode16sequence=tounicode16sequence
-local separator=lpeg.S("_.")
-local other=lpeg.C((1-separator)^1)
-local ligsplitter=lpeg.Ct(other*(separator*other)^0)
-fonts.map.add_to_unicode=function(data,filename)
- local unicodes=data.luatex and data.luatex.unicodes
- if not unicodes then
- return
- end
- unicodes['space']=unicodes['space'] or 32
- unicodes['hyphen']=unicodes['hyphen'] or 45
- unicodes['zwj']=unicodes['zwj'] or 0x200D
- unicodes['zwnj']=unicodes['zwnj'] or 0x200C
- local tounicode,originals,ns,nl,private,unknown={},{},0,0,fonts.private,format("%04X",utfbyte("?"))
- data.luatex.tounicode,data.luatex.originals=tounicode,originals
- local lumunic,uparser,oparser
- if false then
- lumunic=load_lum_table(filename)
- lumunic=lumunic and lumunic.tounicode
- end
- local cidinfo,cidnames,cidcodes=data.cidinfo
- local usedmap=cidinfo and cidinfo.usedname
- usedmap=usedmap and lower(usedmap)
- usedmap=usedmap and fonts.cid.map[usedmap]
- if usedmap then
- oparser=usedmap and make_name_parser(cidinfo.ordering)
- cidnames=usedmap.names
- cidcodes=usedmap.unicodes
- end
- uparser=make_name_parser()
- local aglmap=fonts.map and fonts.map.agl_to_unicode
- for index,glyph in next,data.glyphs do
- local name,unic=glyph.name,glyph.unicode or -1
- if unic==-1 or unic>=private or (unic>=0xE000 and unic<=0xF8FF) or unic==0xFFFE or unic==0xFFFF then
- local unicode=(lumunic and lumunic[name]) or (aglmap and aglmap[name])
- if unicode then
- originals[index],tounicode[index],ns=unicode,tounicode16(unicode),ns+1
- end
- if (not unicode) and usedmap then
- local foundindex=lpegmatch(oparser,name)
- if foundindex then
- unicode=cidcodes[foundindex]
- if unicode then
- originals[index],tounicode[index],ns=unicode,tounicode16(unicode),ns+1
- else
- local reference=cidnames[foundindex]
- if reference then
- local foundindex=lpegmatch(oparser,reference)
- if foundindex then
- unicode=cidcodes[foundindex]
- if unicode then
- originals[index],tounicode[index],ns=unicode,tounicode16(unicode),ns+1
- end
- end
- if not unicode then
- local foundcodes,multiple=lpegmatch(uparser,reference)
- if foundcodes then
- if multiple then
- originals[index],tounicode[index],nl,unicode=foundcodes,tounicode16sequence(foundcodes),nl+1,true
- else
- originals[index],tounicode[index],ns,unicode=foundcodes,tounicode16(foundcodes),ns+1,foundcodes
- end
- end
- end
- end
- end
- end
- end
- if not unicode then
- local split=lpegmatch(ligsplitter,name)
- local nplit=(split and #split) or 0
- if nplit==0 then
- elseif nplit==1 then
- local base=split[1]
- unicode=unicodes[base] or (aglmap and aglmap[base])
- if unicode then
- if type(unicode)=="table" then
- unicode=unicode[1]
- end
- originals[index],tounicode[index],ns=unicode,tounicode16(unicode),ns+1
- end
- else
- local t={}
- for l=1,nplit do
- local base=split[l]
- local u=unicodes[base] or (aglmap and aglmap[base])
- if not u then
- break
- elseif type(u)=="table" then
- t[#t+1]=u[1]
- else
- t[#t+1]=u
- end
- end
- if #t>0 then
- originals[index],tounicode[index],nl,unicode=t,tounicode16sequence(t),nl+1,true
- end
- end
- end
- if not unicode then
- local foundcodes,multiple=lpegmatch(uparser,name)
- if foundcodes then
- if multiple then
- originals[index],tounicode[index],nl,unicode=foundcodes,tounicode16sequence(foundcodes),nl+1,true
- else
- originals[index],tounicode[index],ns,unicode=foundcodes,tounicode16(foundcodes),ns+1,foundcodes
- end
- end
- end
- if not unicode then
- originals[index],tounicode[index]=0xFFFD,"FFFD"
- end
- end
- end
- if trace_unimapping then
- for index,glyph in table.sortedhash(data.glyphs) do
- local toun,name,unic=tounicode[index],glyph.name,glyph.unicode or -1
- if toun then
- logs.report("load otf","internal: 0x%05X, name: %s, unicode: 0x%05X, tounicode: %s",index,name,unic,toun)
- else
- logs.report("load otf","internal: 0x%05X, name: %s, unicode: 0x%05X",index,name,unic)
- end
- end
- end
- if trace_loading and (ns>0 or nl>0) then
- logs.report("load otf","enhance: %s tounicode entries added (%s ligatures)",nl+ns,ns)
- end
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['font-otf']={
- version=1.001,
- comment="companion to font-ini.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local utf=unicode.utf8
-local concat,utfbyte=table.concat,utf.byte
-local format,gmatch,gsub,find,match,lower,strip=string.format,string.gmatch,string.gsub,string.find,string.match,string.lower,string.strip
-local type,next,tonumber,tostring=type,next,tonumber,tostring
-local abs=math.abs
-local getn=table.getn
-local lpegmatch=lpeg.match
-local trace_private=false trackers.register("otf.private",function(v) trace_private=v end)
-local trace_loading=false trackers.register("otf.loading",function(v) trace_loading=v end)
-local trace_features=false trackers.register("otf.features",function(v) trace_features=v end)
-local trace_dynamics=false trackers.register("otf.dynamics",function(v) trace_dynamics=v end)
-local trace_sequences=false trackers.register("otf.sequences",function(v) trace_sequences=v end)
-local trace_math=false trackers.register("otf.math",function(v) trace_math=v end)
-local trace_defining=false trackers.register("fonts.defining",function(v) trace_defining=v end)
-fonts=fonts or {}
-fonts.otf=fonts.otf or {}
-fonts.tfm=fonts.tfm or {}
-local otf=fonts.otf
-local tfm=fonts.tfm
-local fontdata=fonts.ids
-otf.tables=otf.tables or {}
-otf.meanings=otf.meanings or {}
-otf.tables.features=otf.tables.features or {}
-otf.tables.languages=otf.tables.languages or {}
-otf.tables.scripts=otf.tables.scripts or {}
-otf.features=otf.features or {}
-otf.features.list=otf.features.list or {}
-otf.features.default=otf.features.default or {}
-otf.enhancers=otf.enhancers or {}
-otf.glists={ "gsub","gpos" }
-otf.version=2.653
-otf.pack=true
-otf.syncspace=true
-otf.notdef=false
-otf.cache=containers.define("fonts","otf",otf.version,true)
-otf.cleanup_aat=false
-local wildcard="*"
-local default="dflt"
-otf.tables.global_fields=table.tohash {
- "lookups",
- "glyphs",
- "subfonts",
- "luatex",
- "pfminfo",
- "cidinfo",
- "tables",
- "names",
- "unicodes",
- "names",
- "anchor_classes",
- "kern_classes",
- "gpos",
- "gsub"
-}
-otf.tables.valid_fields={
- "anchor_classes",
- "ascent",
- "cache_version",
- "cidinfo",
- "copyright",
- "creationtime",
- "descent",
- "design_range_bottom",
- "design_range_top",
- "design_size",
- "encodingchanged",
- "extrema_bound",
- "familyname",
- "fontname",
- "fontstyle_id",
- "fontstyle_name",
- "fullname",
- "glyphs",
- "hasvmetrics",
- "head_optimized_for_cleartype",
- "horiz_base",
- "issans",
- "isserif",
- "italicangle",
- "kerns",
- "lookups",
- "macstyle",
- "modificationtime",
- "onlybitmaps",
- "origname",
- "os2_version",
- "pfminfo",
- "private",
- "serifcheck",
- "sfd_version",
- "strokedfont",
- "strokewidth",
- "subfonts",
- "table_version",
- "ttf_tables",
- "uni_interp",
- "uniqueid",
- "units_per_em",
- "upos",
- "use_typo_metrics",
- "uwidth",
- "validation_state",
- "verbose",
- "version",
- "vert_base",
- "weight",
- "weight_width_slope_only",
- "xuid",
-}
-local function load_featurefile(ff,featurefile)
- if featurefile then
- featurefile=resolvers.find_file(file.addsuffix(featurefile,'fea'),'fea')
- if featurefile and featurefile~="" then
- if trace_loading then
- logs.report("load otf","featurefile: %s",featurefile)
- end
- fontloader.apply_featurefile(ff,featurefile)
- end
- end
-end
-function otf.enhance(name,data,filename,verbose)
- local enhancer=otf.enhancers[name]
- if enhancer then
- if (verbose~=nil and verbose) or trace_loading then
- logs.report("load otf","enhance: %s (%s)",name,filename)
- end
- enhancer(data,filename)
- end
-end
-local enhancers={
- "patch bugs",
- "merge cid fonts","prepare unicode","cleanup ttf tables","compact glyphs","reverse coverage",
- "cleanup aat","enrich with features","add some missing characters",
- "reorganize mark classes",
- "reorganize kerns",
- "flatten glyph lookups","flatten anchor tables","flatten feature tables",
- "simplify glyph lookups",
- "prepare luatex tables",
- "analyse features","rehash features",
- "analyse anchors","analyse marks","analyse unicodes","analyse subtables",
- "check italic correction","check math",
- "share widths",
- "strip not needed data",
- "migrate metadata",
- "check math parameters",
-}
-function otf.load(filename,format,sub,featurefile)
- local name=file.basename(file.removesuffix(filename))
- local attr=lfs.attributes(filename)
- local size,time=attr.size or 0,attr.modification or 0
- if featurefile then
- local fattr=lfs.attributes(featurefile)
- local fsize,ftime=fattr and fattr.size or 0,fattr and fattr.modification or 0
- name=name.."@"..file.removesuffix(file.basename(featurefile))..ftime..fsize
- end
- if sub=="" then sub=false end
- local hash=name
- if sub then
- hash=hash.."-"..sub
- end
- hash=containers.cleanname(hash)
- local data=containers.read(otf.cache,hash)
- if not data or data.verbose~=fonts.verbose or data.size~=size or data.time~=time then
- logs.report("load otf","loading: %s (hash: %s)",filename,hash)
- local ff,messages
- if sub then
- ff,messages=fontloader.open(filename,sub)
- else
- ff,messages=fontloader.open(filename)
- end
- if trace_loading and messages and #messages>0 then
- if type(messages)=="string" then
- logs.report("load otf","warning: %s",messages)
- else
- for m=1,#messages do
- logs.report("load otf","warning: %s",tostring(messages[m]))
- end
- end
- else
- logs.report("load otf","font loaded okay")
- end
- if ff then
- load_featurefile(ff,featurefile)
- data=fontloader.to_table(ff)
- fontloader.close(ff)
- if data then
- logs.report("load otf","file size: %s",size)
- logs.report("load otf","enhancing ...")
- for e=1,#enhancers do
- otf.enhance(enhancers[e],data,filename)
- io.flush()
- end
- if otf.pack and not fonts.verbose then
- otf.enhance("pack",data,filename)
- end
- data.size=size
- data.time=time
- data.verbose=fonts.verbose
- logs.report("load otf","saving in cache: %s",filename)
- data=containers.write(otf.cache,hash,data)
- collectgarbage("collect")
- data=containers.read(otf.cache,hash)
- collectgarbage("collect")
- else
- logs.report("load otf","loading failed (table conversion error)")
- end
- else
- logs.report("load otf","loading failed (file read error)")
- end
- end
- if data then
- if trace_defining then
- logs.report("define font","loading from cache: %s",hash)
- end
- otf.enhance("unpack",data,filename,false)
- otf.add_dimensions(data)
- if trace_sequences then
- otf.show_feature_order(data,filename)
- end
- end
- return data
-end
-function otf.add_dimensions(data)
- if data then
- local force=otf.notdef
- local luatex=data.luatex
- local defaultwidth=luatex.defaultwidth or 0
- local defaultheight=luatex.defaultheight or 0
- local defaultdepth=luatex.defaultdepth or 0
- for _,d in next,data.glyphs do
- local bb,wd=d.boundingbox,d.width
- if not wd then
- d.width=defaultwidth
- elseif wd~=0 and d.class=="mark" then
- d.width=-wd
- end
- if force and not d.name then
- d.name=".notdef"
- end
- if bb then
- local ht,dp=bb[4],-bb[2]
- if ht==0 or ht<0 then
- else
- d.height=ht
- end
- if dp==0 or dp<0 then
- else
- d.depth=dp
- end
- end
- end
- end
-end
-function otf.show_feature_order(otfdata,filename)
- local sequences=otfdata.luatex.sequences
- if sequences and #sequences>0 then
- if trace_loading then
- logs.report("otf check","font %s has %s sequences",filename,#sequences)
- logs.report("otf check"," ")
- end
- for nos=1,#sequences do
- local sequence=sequences[nos]
- local typ=sequence.type or "no-type"
- local name=sequence.name or "no-name"
- local subtables=sequence.subtables or { "no-subtables" }
- local features=sequence.features
- if trace_loading then
- logs.report("otf check","%3i %-15s %-20s [%s]",nos,name,typ,concat(subtables,","))
- end
- if features then
- for feature,scripts in next,features do
- local tt={}
- for script,languages in next,scripts do
- local ttt={}
- for language,_ in next,languages do
- ttt[#ttt+1]=language
- end
- tt[#tt+1]=format("[%s: %s]",script,concat(ttt," "))
- end
- if trace_loading then
- logs.report("otf check"," %s: %s",feature,concat(tt," "))
- end
- end
- end
- end
- if trace_loading then
- logs.report("otf check","\n")
- end
- elseif trace_loading then
- logs.report("otf check","font %s has no sequences",filename)
- end
-end
-otf.enhancers["reorganize mark classes"]=function(data,filename)
- if data.mark_classes then
- local unicodes=data.luatex.unicodes
- local reverse={}
- for name,class in next,data.mark_classes do
- local t={}
- for s in gmatch(class,"[^ ]+") do
- local us=unicodes[s]
- if type(us)=="table" then
- for u=1,#us do
- t[us[u]]=true
- end
- else
- t[us]=true
- end
- end
- reverse[name]=t
- end
- data.luatex.markclasses=reverse
- data.mark_classes=nil
- end
-end
-otf.enhancers["prepare luatex tables"]=function(data,filename)
- data.luatex=data.luatex or {}
- local luatex=data.luatex
- luatex.filename=filename
- luatex.version=otf.version
- luatex.creator="context mkiv"
-end
-otf.enhancers["cleanup aat"]=function(data,filename)
- if otf.cleanup_aat then
- end
-end
-local function analyze_features(g,features)
- if g then
- local t,done={},{}
- for k=1,#g do
- local f=features or g[k].features
- if f then
- for k=1,#f do
- local tag=f[k].tag
- if not done[tag] then
- t[#t+1]=tag
- done[tag]=true
- end
- end
- end
- end
- if #t>0 then
- return t
- end
- end
- return nil
-end
-otf.enhancers["analyse features"]=function(data,filename)
-end
-otf.enhancers["rehash features"]=function(data,filename)
- local features={}
- data.luatex.features=features
- for k,what in next,otf.glists do
- local dw=data[what]
- if dw then
- local f={}
- features[what]=f
- for i=1,#dw do
- local d=dw[i]
- local dfeatures=d.features
- if dfeatures then
- for i=1,#dfeatures do
- local df=dfeatures[i]
- local tag=strip(lower(df.tag))
- local ft=f[tag] if not ft then ft={} f[tag]=ft end
- local dscripts=df.scripts
- for script,languages in next,dscripts do
- script=strip(lower(script))
- local fts=ft[script] if not fts then fts={} ft[script]=fts end
- for i=1,#languages do
- fts[strip(lower(languages[i]))]=true
- end
- end
- end
- end
- end
- end
- end
-end
-otf.enhancers["analyse anchors"]=function(data,filename)
- local classes=data.anchor_classes
- local luatex=data.luatex
- local anchor_to_lookup,lookup_to_anchor={},{}
- luatex.anchor_to_lookup,luatex.lookup_to_anchor=anchor_to_lookup,lookup_to_anchor
- if classes then
- for c=1,#classes do
- local class=classes[c]
- local anchor=class.name
- local lookups=class.lookup
- if type(lookups)~="table" then
- lookups={ lookups }
- end
- local a=anchor_to_lookup[anchor]
- if not a then a={} anchor_to_lookup[anchor]=a end
- for l=1,#lookups do
- local lookup=lookups[l]
- local l=lookup_to_anchor[lookup]
- if not l then l={} lookup_to_anchor[lookup]=l end
- l[anchor]=true
- a[lookup]=true
- end
- end
- end
-end
-otf.enhancers["analyse marks"]=function(data,filename)
- local glyphs=data.glyphs
- local marks={}
- data.luatex.marks=marks
- for unicode,index in next,data.luatex.indices do
- local glyph=glyphs[index]
- if glyph.class=="mark" then
- marks[unicode]=true
- end
- end
-end
-otf.enhancers["analyse unicodes"]=fonts.map.add_to_unicode
-otf.enhancers["analyse subtables"]=function(data,filename)
- data.luatex=data.luatex or {}
- local luatex=data.luatex
- local sequences={}
- local lookups={}
- luatex.sequences=sequences
- luatex.lookups=lookups
- for _,g in next,{ data.gsub,data.gpos } do
- for k=1,#g do
- local gk=g[k]
- local typ=gk.type
- if typ=="gsub_contextchain" or typ=="gpos_contextchain" then
- gk.chain=1
- elseif typ=="gsub_reversecontextchain" or typ=="gpos_reversecontextchain" then
- gk.chain=-1
- else
- gk.chain=0
- end
- local features=gk.features
- if features then
- sequences[#sequences+1]=gk
- local t={}
- for f=1,#features do
- local feature=features[f]
- local hash={}
- for s,languages in next,feature.scripts do
- s=lower(s)
- local h=hash[s]
- if not h then h={} hash[s]=h end
- for l=1,#languages do
- h[strip(lower(languages[l]))]=true
- end
- end
- t[feature.tag]=hash
- end
- gk.features=t
- else
- lookups[gk.name]=gk
- gk.name=nil
- end
- local subtables=gk.subtables
- if subtables then
- local t={}
- for s=1,#subtables do
- local subtable=subtables[s]
- local name=subtable.name
- t[#t+1]=name
- end
- gk.subtables=t
- end
- local flags=gk.flags
- if flags then
- gk.flags={
- (flags.ignorecombiningmarks and "mark") or false,
- (flags.ignoreligatures and "ligature") or false,
- (flags.ignorebaseglyphs and "base") or false,
- flags.r2l or false,
- }
- if flags.mark_class then
- gk.markclass=luatex.markclasses[flags.mark_class]
- end
- end
- end
- end
-end
-otf.enhancers["merge cid fonts"]=function(data,filename)
- if data.subfonts then
- if data.glyphs and next(data.glyphs) then
- logs.report("load otf","replacing existing glyph table due to subfonts")
- end
- local cidinfo=data.cidinfo
- local verbose=fonts.verbose
- if cidinfo.registry then
- local cidmap,cidname=fonts.cid.getmap(cidinfo.registry,cidinfo.ordering,cidinfo.supplement)
- if cidmap then
- cidinfo.usedname=cidmap.usedname
- local glyphs,uni_to_int,int_to_uni,nofnames,nofunicodes={},{},{},0,0
- local unicodes,names=cidmap.unicodes,cidmap.names
- for n,subfont in next,data.subfonts do
- for index,g in next,subfont.glyphs do
- if not next(g) then
- else
- local unicode,name=unicodes[index],names[index]
- g.cidindex=n
- g.boundingbox=g.boundingbox
- g.name=g.name or name or "unknown"
- if unicode then
- uni_to_int[unicode]=index
- int_to_uni[index]=unicode
- nofunicodes=nofunicodes+1
- g.unicode=unicode
- elseif name then
- nofnames=nofnames+1
- g.unicode=-1
- end
- glyphs[index]=g
- end
- end
- subfont.glyphs=nil
- end
- if trace_loading then
- logs.report("load otf","cid font remapped, %s unicode points, %s symbolic names, %s glyphs",nofunicodes,nofnames,nofunicodes+nofnames)
- end
- data.glyphs=glyphs
- data.map=data.map or {}
- data.map.map=uni_to_int
- data.map.backmap=int_to_uni
- elseif trace_loading then
- logs.report("load otf","unable to remap cid font, missing cid file for %s",filename)
- end
- elseif trace_loading then
- logs.report("load otf","font %s has no glyphs",filename)
- end
- end
-end
-otf.enhancers["prepare unicode"]=function(data,filename)
- local luatex=data.luatex
- if not luatex then luatex={} data.luatex=luatex end
- local indices,unicodes,multiples,internals={},{},{},{}
- local glyphs=data.glyphs
- local mapmap=data.map
- if not mapmap then
- logs.report("load otf","no map in %s",filename)
- mapmap={}
- data.map={ map=mapmap }
- elseif not mapmap.map then
- logs.report("load otf","no unicode map in %s",filename)
- mapmap={}
- data.map.map=mapmap
- else
- mapmap=mapmap.map
- end
- local criterium=fonts.private
- local private=fonts.private
- for index,glyph in next,glyphs do
- if index>0 then
- local name=glyph.name
- if name then
- local unicode=glyph.unicode
- if unicode==-1 or unicode>=criterium then
- glyph.unicode=private
- indices[private]=index
- unicodes[name]=private
- internals[index]=true
- if trace_private then
- logs.report("load otf","enhance: glyph %s at index U+%04X is moved to private unicode slot U+%04X",name,index,private)
- end
- private=private+1
- else
- indices[unicode]=index
- unicodes[name]=unicode
- end
- end
- end
- end
- for unicode,index in next,mapmap do
- if not internals[index] then
- local name=glyphs[index].name
- if name then
- local un=unicodes[name]
- if not un then
- unicodes[name]=unicode
- elseif type(un)=="number" then
- if un~=unicode then
- multiples[#multiples+1]=name
- unicodes[name]={ un,unicode }
- indices[unicode]=index
- end
- else
- local ok=false
- for u=1,#un do
- if un[u]==unicode then
- ok=true
- break
- end
- end
- if not ok then
- multiples[#multiples+1]=name
- un[#un+1]=unicode
- indices[unicode]=index
- end
- end
- end
- end
- end
- if trace_loading then
- if #multiples>0 then
- logs.report("load otf","%s glyph are reused: %s",#multiples,concat(multiples," "))
- else
- logs.report("load otf","no glyph are reused")
- end
- end
- luatex.indices=indices
- luatex.unicodes=unicodes
- luatex.private=private
-end
-otf.enhancers["cleanup ttf tables"]=function(data,filename)
- local ttf_tables=data.ttf_tables
- if ttf_tables then
- for k=1,#ttf_tables do
- if ttf_tables[k].data then ttf_tables[k].data="deleted" end
- end
- end
- data.ttf_tab_saved=nil
-end
-otf.enhancers["compact glyphs"]=function(data,filename)
- table.compact(data.glyphs)
- if data.subfonts then
- for _,subfont in next,data.subfonts do
- table.compact(subfont.glyphs)
- end
- end
-end
-otf.enhancers["reverse coverage"]=function(data,filename)
- if data.lookups then
- for _,v in next,data.lookups do
- if v.rules then
- for _,vv in next,v.rules do
- local c=vv.coverage
- if c and c.before then
- c.before=table.reverse(c.before)
- end
- end
- end
- end
- end
-end
-otf.enhancers["check italic correction"]=function(data,filename)
- local glyphs=data.glyphs
- local ok=false
- for index,glyph in next,glyphs do
- local ic=glyph.italic_correction
- if ic then
- if ic~=0 then
- glyph.italic=ic
- end
- glyph.italic_correction=nil
- ok=true
- end
- end
- otf.tables.valid_fields[#otf.tables.valid_fields+1]="has_italic"
- data.has_italic=true
-end
-otf.enhancers["check math"]=function(data,filename)
- if data.math then
- local glyphs=data.glyphs
- local unicodes=data.luatex.unicodes
- for index,glyph in next,glyphs do
- local mk=glyph.mathkern
- local hv=glyph.horiz_variants
- local vv=glyph.vert_variants
- if mk or hv or vv then
- local math={}
- glyph.math=math
- if mk then
- for k,v in next,mk do
- if not next(v) then
- mk[k]=nil
- end
- end
- math.kerns=mk
- glyph.mathkern=nil
- end
- if hv then
- math.horiz_variants=hv.variants
- local p=hv.parts
- if p and #p>0 then
- for i=1,#p do
- local pi=p[i]
- pi.glyph=unicodes[pi.component] or 0
- end
- math.horiz_parts=p
- end
- local ic=hv.italic_correction
- if ic and ic~=0 then
- math.horiz_italic_correction=ic
- end
- glyph.horiz_variants=nil
- end
- if vv then
- local uc=unicodes[index]
- math.vert_variants=vv.variants
- local p=vv.parts
- if p and #p>0 then
- for i=1,#p do
- local pi=p[i]
- pi.glyph=unicodes[pi.component] or 0
- end
- math.vert_parts=p
- end
- local ic=vv.italic_correction
- if ic and ic~=0 then
- math.vert_italic_correction=ic
- end
- glyph.vert_variants=nil
- end
- local ic=glyph.italic_correction
- if ic then
- if ic~=0 then
- math.italic_correction=ic
- end
- glyph.italic_correction=nil
- end
- end
- end
- end
-end
-otf.enhancers["share widths"]=function(data,filename)
- local glyphs=data.glyphs
- local widths={}
- for index,glyph in next,glyphs do
- local width=glyph.width
- widths[width]=(widths[width] or 0)+1
- end
- local wd,most=0,1
- for k,v in next,widths do
- if v>most then
- wd,most=k,v
- end
- end
- if most>1000 then
- if trace_loading then
- logs.report("load otf","most common width: %s (%s times), sharing (cjk font)",wd,most)
- end
- for k,v in next,glyphs do
- if v.width==wd then
- v.width=nil
- end
- end
- data.luatex.defaultwidth=wd
- end
-end
-otf.enhancers["reorganize kerns"]=function(data,filename)
- local glyphs,mapmap,unicodes=data.glyphs,data.luatex.indices,data.luatex.unicodes
- local mkdone=false
- local function do_it(lookup,first_unicode,kerns)
- local glyph=glyphs[mapmap[first_unicode]]
- if glyph then
- local mykerns=glyph.mykerns
- if not mykerns then
- mykerns={}
- glyph.mykerns=mykerns
- end
- local lookupkerns=mykerns[lookup]
- if not lookupkerns then
- lookupkerns={}
- mykerns[lookup]=lookupkerns
- end
- for second_unicode,kern in next,kerns do
- lookupkerns[second_unicode]=kern
- end
- elseif trace_loading then
- logs.report("load otf","no glyph data for U+%04X",first_unicode)
- end
- end
- for index,glyph in next,glyphs do
- if glyph.kerns then
- local mykerns={}
- for k,v in next,glyph.kerns do
- local vc,vo,vl=v.char,v.off,v.lookup
- if vc and vo and vl then
- local uvc=unicodes[vc]
- if not uvc then
- if trace_loading then
- logs.report("load otf","problems with unicode %s of kern %s at glyph %s",vc,k,index)
- end
- else
- if type(vl)~="table" then
- vl={ vl }
- end
- for l=1,#vl do
- local vll=vl[l]
- local mkl=mykerns[vll]
- if not mkl then
- mkl={}
- mykerns[vll]=mkl
- end
- if type(uvc)=="table" then
- for u=1,#uvc do
- mkl[uvc[u]]=vo
- end
- else
- mkl[uvc]=vo
- end
- end
- end
- end
- end
- glyph.mykerns=mykerns
- glyph.kerns=nil
- mkdone=true
- end
- end
- if trace_loading and mkdone then
- logs.report("load otf","replacing 'kerns' tables by 'mykerns' tables")
- end
- if data.kerns then
- if trace_loading then
- logs.report("load otf","removing global 'kern' table")
- end
- data.kerns=nil
- end
- local dgpos=data.gpos
- if dgpos then
- local separator=lpeg.P(" ")
- local other=((1-separator)^0)/unicodes
- local splitter=lpeg.Ct(other*(separator*other)^0)
- for gp=1,#dgpos do
- local gpos=dgpos[gp]
- local subtables=gpos.subtables
- if subtables then
- for s=1,#subtables do
- local subtable=subtables[s]
- local kernclass=subtable.kernclass
- if kernclass then
- local split={}
- for k=1,#kernclass do
- local kcl=kernclass[k]
- local firsts,seconds,offsets,lookups=kcl.firsts,kcl.seconds,kcl.offsets,kcl.lookup
- if type(lookups)~="table" then
- lookups={ lookups }
- end
- local maxfirsts,maxseconds=#firsts,#seconds
- for _,s in next,firsts do
- split[s]=split[s] or lpegmatch(splitter,s)
- end
- for _,s in next,seconds do
- split[s]=split[s] or lpegmatch(splitter,s)
- end
- for l=1,#lookups do
- local lookup=lookups[l]
- for fk=1,#firsts do
- local fv=firsts[fk]
- local splt=split[fv]
- if splt then
- local kerns,baseoffset={},(fk-1)*maxseconds
- for sk=2,maxseconds do
- local sv=seconds[sk]
- local splt=split[sv]
- if splt then
- local offset=offsets[baseoffset+sk]
- if offset then
- for i=1,#splt do
- local second_unicode=splt[i]
- if tonumber(second_unicode) then
- kerns[second_unicode]=offset
- else for s=1,#second_unicode do
- kerns[second_unicode[s]]=offset
- end end
- end
- end
- end
- end
- for i=1,#splt do
- local first_unicode=splt[i]
- if tonumber(first_unicode) then
- do_it(lookup,first_unicode,kerns)
- else for f=1,#first_unicode do
- do_it(lookup,first_unicode[f],kerns)
- end end
- end
- end
- end
- end
- end
- subtable.comment="The kernclass table is merged into mykerns in the indexed glyph tables."
- subtable.kernclass={}
- end
- end
- end
- end
- end
-end
-otf.enhancers["strip not needed data"]=function(data,filename)
- local verbose=fonts.verbose
- local int_to_uni=data.luatex.unicodes
- for k,v in next,data.glyphs do
- local d=v.dependents
- if d then v.dependents=nil end
- local a=v.altuni
- if a then v.altuni=nil end
- if verbose then
- local code=int_to_uni[k]
- if code then
- local vu=v.unicode
- if not vu then
- v.unicode=code
- elseif type(vu)=="table" then
- if vu[#vu]==code then
- else
- vu[#vu+1]=code
- end
- elseif vu~=code then
- v.unicode={ vu,code }
- end
- end
- else
- v.unicode=nil
- v.index=nil
- end
- end
- data.luatex.comment="Glyph tables have their original index. When present, mykern tables are indexed by unicode."
- data.map=nil
- data.names=nil
- data.glyphcnt=nil
- data.glyphmax=nil
- if true then
- data.gpos=nil
- data.gsub=nil
- data.anchor_classes=nil
- end
-end
-otf.enhancers["migrate metadata"]=function(data,filename)
- local global_fields=otf.tables.global_fields
- local metadata={}
- for k,v in next,data do
- if not global_fields[k] then
- metadata[k]=v
- data[k]=nil
- end
- end
- data.metadata=metadata
- local pfminfo=data.pfminfo
- metadata.isfixedpitch=metadata.isfixedpitch or (pfminfo.panose and pfminfo.panose["proportion"]=="Monospaced")
- metadata.charwidth=pfminfo and pfminfo.avgwidth
-end
-local private_math_parameters={
- "FractionDelimiterSize",
- "FractionDelimiterDisplayStyleSize",
-}
-otf.enhancers["check math parameters"]=function(data,filename)
- local mathdata=data.metadata.math
- if mathdata then
- for m=1,#private_math_parameters do
- local pmp=private_math_parameters[m]
- if not mathdata[pmp] then
- if trace_loading then
- logs.report("load otf","setting math parameter '%s' to 0",pmp)
- end
- mathdata[pmp]=0
- end
- end
- end
-end
-otf.enhancers["flatten glyph lookups"]=function(data,filename)
- for k,v in next,data.glyphs do
- local lookups=v.lookups
- if lookups then
- for kk,vv in next,lookups do
- for kkk=1,#vv do
- local vvv=vv[kkk]
- local s=vvv.specification
- if s then
- local t=vvv.type
- if t=="ligature" then
- vv[kkk]={ "ligature",s.components,s.char }
- elseif t=="alternate" then
- vv[kkk]={ "alternate",s.components }
- elseif t=="substitution" then
- vv[kkk]={ "substitution",s.variant }
- elseif t=="multiple" then
- vv[kkk]={ "multiple",s.components }
- elseif t=="position" then
- vv[kkk]={ "position",{ s.x or 0,s.y or 0,s.h or 0,s.v or 0 } }
- elseif t=="pair" then
- local one,two,paired=s.offsets[1],s.offsets[2],s.paired or ""
- if one then
- if two then
- vv[kkk]={ "pair",paired,{ one.x or 0,one.y or 0,one.h or 0,one.v or 0 },{ two.x or 0,two.y or 0,two.h or 0,two.v or 0 } }
- else
- vv[kkk]={ "pair",paired,{ one.x or 0,one.y or 0,one.h or 0,one.v or 0 } }
- end
- else
- if two then
- vv[kkk]={ "pair",paired,{},{ two.x or 0,two.y or 0,two.h or 0,two.v or 0} }
- else
- vv[kkk]={ "pair",paired }
- end
- end
- else
- if trace_loading then
- logs.report("load otf","flattening needed, report to context list")
- end
- for a,b in next,s do
- if trace_loading and vvv[a] then
- logs.report("load otf","flattening conflict, report to context list")
- end
- vvv[a]=b
- end
- vvv.specification=nil
- end
- end
- end
- end
- end
- end
-end
-otf.enhancers["simplify glyph lookups"]=function(data,filename)
- for k,v in next,data.glyphs do
- local lookups=v.lookups
- if lookups then
- local slookups,mlookups
- for kk,vv in next,lookups do
- if #vv==1 then
- if not slookups then
- slookups={}
- v.slookups=slookups
- end
- slookups[kk]=vv[1]
- else
- if not mlookups then
- mlookups={}
- v.mlookups=mlookups
- end
- mlookups[kk]=vv
- end
- end
- v.lookups=nil
- end
- end
-end
-otf.enhancers["flatten anchor tables"]=function(data,filename)
- for k,v in next,data.glyphs do
- if v.anchors then
- for kk,vv in next,v.anchors do
- for kkk,vvv in next,vv do
- if vvv.x or vvv.y then
- vv[kkk]={ vvv.x or 0,vvv.y or 0 }
- else
- for kkkk=1,#vvv do
- local vvvv=vvv[kkkk]
- vvv[kkkk]={ vvvv.x or 0,vvvv.y or 0 }
- end
- end
- end
- end
- end
- end
-end
-otf.enhancers["flatten feature tables"]=function(data,filename)
- for _,tag in next,otf.glists do
- if data[tag] then
- if trace_loading then
- logs.report("load otf","flattening %s table",tag)
- end
- for k,v in next,data[tag] do
- local features=v.features
- if features then
- for kk=1,#features do
- local vv=features[kk]
- local t={}
- local scripts=vv.scripts
- for kkk=1,#scripts do
- local vvv=scripts[kkk]
- t[vvv.script]=vvv.langs
- end
- vv.scripts=t
- end
- end
- end
- end
- end
-end
-otf.enhancers.patches=otf.enhancers.patches or {}
-otf.enhancers["patch bugs"]=function(data,filename)
- local basename=file.basename(lower(filename))
- for pattern,action in next,otf.enhancers.patches do
- if find(basename,pattern) then
- action(data,filename)
- end
- end
-end
-fonts.otf.enhancers["enrich with features"]=function(data,filename)
-end
-function otf.features.register(name,default)
- otf.features.list[#otf.features.list+1]=name
- otf.features.default[name]=default
-end
-function otf.set_features(tfmdata,features)
- local processes={}
- if features and next(features) then
- local lists={
- fonts.triggers,
- fonts.processors,
- fonts.manipulators,
- }
- local mode=tfmdata.mode or fonts.mode
- local initializers=fonts.initializers
- local fi=initializers[mode]
- if fi then
- local fiotf=fi.otf
- if fiotf then
- local done={}
- for l=1,4 do
- local list=lists[l]
- if list then
- for i=1,#list do
- local f=list[i]
- local value=features[f]
- if value and fiotf[f] then
- if not done[f] then
- if trace_features then
- logs.report("define otf","initializing feature %s to %s for mode %s for font %s",f,tostring(value),mode or 'unknown',tfmdata.fullname or 'unknown')
- end
- fiotf[f](tfmdata,value)
- mode=tfmdata.mode or fonts.mode
- local im=initializers[mode]
- if im then
- fiotf=initializers[mode].otf
- end
- done[f]=true
- end
- end
- end
- end
- end
- end
- end
- local fm=fonts.methods[mode]
- if fm then
- local fmotf=fm.otf
- if fmotf then
- for l=1,4 do
- local list=lists[l]
- if list then
- for i=1,#list do
- local f=list[i]
- if fmotf[f] then
- if trace_features then
- logs.report("define otf","installing feature handler %s for mode %s for font %s",f,mode or 'unknown',tfmdata.fullname or 'unknown')
- end
- processes[#processes+1]=fmotf[f]
- end
- end
- end
- end
- end
- else
- end
- end
- return processes,features
-end
-function otf.otf_to_tfm(specification)
- local name=specification.name
- local sub=specification.sub
- local filename=specification.filename
- local format=specification.format
- local features=specification.features.normal
- local cache_id=specification.hash
- local tfmdata=containers.read(tfm.cache,cache_id)
- if not tfmdata then
- local otfdata=otf.load(filename,format,sub,features and features.featurefile)
- if otfdata and next(otfdata) then
- otfdata.shared=otfdata.shared or {
- featuredata={},
- anchorhash={},
- initialized=false,
- }
- tfmdata=otf.copy_to_tfm(otfdata,cache_id)
- if tfmdata and next(tfmdata) then
- tfmdata.unique=tfmdata.unique or {}
- tfmdata.shared=tfmdata.shared or {}
- local shared=tfmdata.shared
- shared.otfdata=otfdata
- shared.features=features
- shared.dynamics={}
- shared.processes={}
- shared.set_dynamics=otf.set_dynamics
- tfmdata.luatex=otfdata.luatex
- tfmdata.indices=otfdata.luatex.indices
- tfmdata.unicodes=otfdata.luatex.unicodes
- tfmdata.marks=otfdata.luatex.marks
- tfmdata.originals=otfdata.luatex.originals
- tfmdata.changed={}
- tfmdata.has_italic=otfdata.metadata.has_italic
- if not tfmdata.language then tfmdata.language='dflt' end
- if not tfmdata.script then tfmdata.script='dflt' end
- shared.processes,shared.features=otf.set_features(tfmdata,fonts.define.check(features,otf.features.default))
- end
- end
- containers.write(tfm.cache,cache_id,tfmdata)
- end
- return tfmdata
-end
-fonts.formats.dfont="truetype"
-fonts.formats.ttc="truetype"
-fonts.formats.ttf="truetype"
-fonts.formats.otf="opentype"
-function otf.copy_to_tfm(data,cache_id)
- if data then
- local glyphs,pfminfo,metadata=data.glyphs or {},data.pfminfo or {},data.metadata or {}
- local luatex=data.luatex
- local unicodes=luatex.unicodes
- local indices=luatex.indices
- local characters,parameters,math_parameters,descriptions={},{},{},{}
- local designsize=metadata.designsize or metadata.design_size or 100
- if designsize==0 then
- designsize=100
- end
- local spaceunits,spacer=500,"space"
- for u,i in next,indices do
- characters[u]={}
- descriptions[u]=glyphs[i]
- end
- if metadata.math then
- for name,value in next,metadata.math do
- math_parameters[name]=value
- end
- for u,char in next,characters do
- local d=descriptions[u]
- local m=d.math
- if m then
- local variants,parts,c,uc=m.horiz_variants,m.horiz_parts,char,u
- if variants then
- for n in gmatch(variants,"[^ ]+") do
- local un=unicodes[n]
- if un and uc~=un then
- c.next=un
- c=characters[un]
- uc=un
- end
- end
- c.horiz_variants=parts
- elseif parts then
- c.horiz_variants=parts
- end
- local variants,parts,c,uc=m.vert_variants,m.vert_parts,char,u
- if variants then
- for n in gmatch(variants,"[^ ]+") do
- local un=unicodes[n]
- if un and uc~=un then
- c.next=un
- c=characters[un]
- uc=un
- end
- end
- c.vert_variants=parts
- elseif parts then
- c.vert_variants=parts
- end
- local italic_correction=m.vert_italic_correction
- if italic_correction then
- c.vert_italic_correction=italic_correction
- end
- local kerns=m.kerns
- if kerns then
- char.mathkerns=kerns
- end
- end
- end
- end
- local endash,emdash,space=0x20,0x2014,"space"
- if metadata.isfixedpitch then
- if descriptions[endash] then
- spaceunits,spacer=descriptions[endash].width,"space"
- end
- if not spaceunits and descriptions[emdash] then
- spaceunits,spacer=descriptions[emdash].width,"emdash"
- end
- if not spaceunits and metadata.charwidth then
- spaceunits,spacer=metadata.charwidth,"charwidth"
- end
- else
- if descriptions[endash] then
- spaceunits,spacer=descriptions[endash].width,"space"
- end
- if not spaceunits and descriptions[emdash] then
- spaceunits,spacer=descriptions[emdash].width/2,"emdash/2"
- end
- if not spaceunits and metadata.charwidth then
- spaceunits,spacer=metadata.charwidth,"charwidth"
- end
- end
- spaceunits=tonumber(spaceunits) or tfm.units/2
- local filename=fonts.tfm.checked_filename(luatex)
- local fontname=metadata.fontname
- local fullname=metadata.fullname or fontname
- local cidinfo=data.cidinfo
- local units=metadata.units_per_em or 1000
- cidinfo.registry=cidinfo and cidinfo.registry or ""
- parameters.slant=0
- parameters.space=spaceunits
- parameters.space_stretch=units/2
- parameters.space_shrink=1*units/3
- parameters.x_height=2*units/5
- parameters.quad=units
- if spaceunits<2*units/5 then
- end
- local italicangle=metadata.italicangle
- if italicangle then
- parameters.slant=parameters.slant-math.round(math.tan(italicangle*math.pi/180))
- end
- if metadata.isfixedpitch then
- parameters.space_stretch=0
- parameters.space_shrink=0
- elseif otf.syncspace then
- parameters.space_stretch=spaceunits/2
- parameters.space_shrink=spaceunits/3
- end
- parameters.extra_space=parameters.space_shrink
- if pfminfo.os2_xheight and pfminfo.os2_xheight>0 then
- parameters.x_height=pfminfo.os2_xheight
- else
- local x=0x78
- if x then
- local x=descriptions[x]
- if x then
- parameters.x_height=x.height
- end
- end
- end
- return {
- characters=characters,
- parameters=parameters,
- math_parameters=math_parameters,
- descriptions=descriptions,
- indices=indices,
- unicodes=unicodes,
- type="real",
- direction=0,
- boundarychar_label=0,
- boundarychar=65536,
- designsize=(designsize/10)*65536,
- spacer="500 units",
- encodingbytes=2,
- filename=filename,
- fontname=fontname,
- fullname=fullname,
- psname=fontname or fullname,
- name=filename or fullname,
- units=units,
- format=fonts.fontformat(filename,"opentype"),
- cidinfo=cidinfo,
- ascender=abs(metadata.ascent or 0),
- descender=abs(metadata.descent or 0),
- spacer=spacer,
- italicangle=italicangle,
- }
- else
- return nil
- end
-end
-otf.features.register('mathsize')
-function tfm.read_from_open_type(specification)
- local tfmtable=otf.otf_to_tfm(specification)
- if tfmtable then
- local otfdata=tfmtable.shared.otfdata
- tfmtable.name=specification.name
- tfmtable.sub=specification.sub
- local s=specification.size
- local m=otfdata.metadata.math
- if m then
- local f=specification.features
- if f then
- local f=f.normal
- if f and f.mathsize then
- local mathsize=specification.mathsize or 0
- if mathsize==2 then
- local p=m.ScriptPercentScaleDown
- if p then
- local ps=p*specification.textsize/100
- if trace_math then
- logs.report("define font","asked script size: %s, used: %s (%2.2f %%)",s,ps,(ps/s)*100)
- end
- s=ps
- end
- elseif mathsize==3 then
- local p=m.ScriptScriptPercentScaleDown
- if p then
- local ps=p*specification.textsize/100
- if trace_math then
- logs.report("define font","asked scriptscript size: %s, used: %s (%2.2f %%)",s,ps,(ps/s)*100)
- end
- s=ps
- end
- end
- end
- end
- end
- tfmtable=tfm.scale(tfmtable,s,specification.relativeid)
- if tfm.fontname_mode=="specification" then
- local specname=specification.specification
- if specname then
- tfmtable.name=specname
- if trace_defining then
- logs.report("define font","overloaded fontname: '%s'",specname)
- end
- end
- end
- fonts.logger.save(tfmtable,file.extname(specification.filename),specification)
- end
- return tfmtable
-end
-function otf.collect_lookups(otfdata,kind,script,language)
- local sequences=otfdata.luatex.sequences
- if sequences then
- local featuremap,featurelist={},{}
- for s=1,#sequences do
- local sequence=sequences[s]
- local features=sequence.features
- features=features and features[kind]
- features=features and (features[script] or features[default] or features[wildcard])
- features=features and (features[language] or features[default] or features[wildcard])
- if features then
- local subtables=sequence.subtables
- if subtables then
- for s=1,#subtables do
- local ss=subtables[s]
- if not featuremap[s] then
- featuremap[ss]=true
- featurelist[#featurelist+1]=ss
- end
- end
- end
- end
- end
- if #featurelist>0 then
- return featuremap,featurelist
- end
- end
- return nil,nil
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['font-otd']={
- version=1.001,
- comment="companion to font-ini.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local trace_dynamics=false trackers.register("otf.dynamics",function(v) trace_dynamics=v end)
-fonts=fonts or {}
-fonts.otf=fonts.otf or {}
-local otf=fonts.otf
-local fontdata=fonts.ids
-otf.features=otf.features or {}
-otf.features.default=otf.features.default or {}
-local context_setups=fonts.define.specify.context_setups
-local context_numbers=fonts.define.specify.context_numbers
-local a_to_script={} otf.a_to_script=a_to_script
-local a_to_language={} otf.a_to_language=a_to_language
-function otf.set_dynamics(font,dynamics,attribute)
- local features=context_setups[context_numbers[attribute]]
- if features then
- local script=features.script or 'dflt'
- local language=features.language or 'dflt'
- local ds=dynamics[script]
- if not ds then
- ds={}
- dynamics[script]=ds
- end
- local dsl=ds[language]
- if not dsl then
- dsl={}
- ds[language]=dsl
- end
- local dsla=dsl[attribute]
- if dsla then
- return dsla
- else
- local tfmdata=fontdata[font]
- a_to_script [attribute]=script
- a_to_language[attribute]=language
- local saved={
- script=tfmdata.script,
- language=tfmdata.language,
- mode=tfmdata.mode,
- features=tfmdata.shared.features
- }
- tfmdata.mode="node"
- tfmdata.language=language
- tfmdata.script=script
- tfmdata.shared.features={}
- local set=fonts.define.check(features,otf.features.default)
- dsla=otf.set_features(tfmdata,set)
- if trace_dynamics then
- logs.report("otf define","setting dynamics %s: attribute %s, script %s, language %s, set: %s",context_numbers[attribute],attribute,script,language,table.sequenced(set))
- end
- tfmdata.script=saved.script
- tfmdata.language=saved.language
- tfmdata.mode=saved.mode
- tfmdata.shared.features=saved.features
- dynamics[script][language][attribute]=dsla
- return dsla
- end
- end
- return nil
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['font-oti']={
- version=1.001,
- comment="companion to font-ini.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local lower=string.lower
-local otf=fonts.otf
-otf.default_language='latn'
-otf.default_script='dflt'
-local languages=otf.tables.languages
-local scripts=otf.tables.scripts
-function otf.features.language(tfmdata,value)
- if value then
- value=lower(value)
- if languages[value] then
- tfmdata.language=value
- end
- end
-end
-function otf.features.script(tfmdata,value)
- if value then
- value=lower(value)
- if scripts[value] then
- tfmdata.script=value
- end
- end
-end
-function otf.features.mode(tfmdata,value)
- if value then
- tfmdata.mode=lower(value)
- end
-end
-fonts.initializers.base.otf.language=otf.features.language
-fonts.initializers.base.otf.script=otf.features.script
-fonts.initializers.base.otf.mode=otf.features.mode
-fonts.initializers.base.otf.method=otf.features.mode
-fonts.initializers.node.otf.language=otf.features.language
-fonts.initializers.node.otf.script=otf.features.script
-fonts.initializers.node.otf.mode=otf.features.mode
-fonts.initializers.node.otf.method=otf.features.mode
-otf.features.register("features",true)
-table.insert(fonts.processors,"features")
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['font-otb']={
- version=1.001,
- comment="companion to font-ini.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local concat=table.concat
-local format,gmatch,gsub,find,match,lower,strip=string.format,string.gmatch,string.gsub,string.find,string.match,string.lower,string.strip
-local type,next,tonumber,tostring=type,next,tonumber,tostring
-local lpegmatch=lpeg.match
-local otf=fonts.otf
-local tfm=fonts.tfm
-local trace_baseinit=false trackers.register("otf.baseinit",function(v) trace_baseinit=v end)
-local trace_singles=false trackers.register("otf.singles",function(v) trace_singles=v end)
-local trace_multiples=false trackers.register("otf.multiples",function(v) trace_multiples=v end)
-local trace_alternatives=false trackers.register("otf.alternatives",function(v) trace_alternatives=v end)
-local trace_ligatures=false trackers.register("otf.ligatures",function(v) trace_ligatures=v end)
-local trace_kerns=false trackers.register("otf.kerns",function(v) trace_kerns=v end)
-local trace_preparing=false trackers.register("otf.preparing",function(v) trace_preparing=v end)
-local wildcard="*"
-local default="dflt"
-local split_at_space=lpeg.Ct(lpeg.splitat(" "))
-local pcache,fcache={},{}
-local function gref(descriptions,n)
- if type(n)=="number" then
- local name=descriptions[n].name
- if name then
- return format("U+%04X (%s)",n,name)
- else
- return format("U+%04X")
- end
- elseif n then
- local num,nam={},{}
- for i=1,#n do
- local ni=n[i]
- num[i]=format("U+%04X",ni)
- nam[i]=descriptions[ni].name or "?"
- end
- return format("%s (%s)",concat(num," "),concat(nam," "))
- else
- return "?"
- end
-end
-local function cref(kind,lookupname)
- if lookupname then
- return format("feature %s, lookup %s",kind,lookupname)
- else
- return format("feature %s",kind)
- end
-end
-local function resolve_ligatures(tfmdata,ligatures,kind)
- kind=kind or "unknown"
- local unicodes=tfmdata.unicodes
- local characters=tfmdata.characters
- local descriptions=tfmdata.descriptions
- local changed=tfmdata.changed
- local done={}
- while true do
- local ok=false
- for k,v in next,ligatures do
- local lig=v[1]
- if not done[lig] then
- local ligs=lpegmatch(split_at_space,lig)
- if #ligs==2 then
- local uc=v[2]
- local c,f,s=characters[uc],ligs[1],ligs[2]
- local uft,ust=unicodes[f] or 0,unicodes[s] or 0
- if not uft or not ust then
- logs.report("define otf","%s: unicode problem with base ligature %s = %s + %s",cref(kind),gref(descriptions,uc),gref(descriptions,uft),gref(descriptions,ust))
- else
- if type(uft)=="number" then uft={ uft } end
- if type(ust)=="number" then ust={ ust } end
- for ufi=1,#uft do
- local uf=uft[ufi]
- for usi=1,#ust do
- local us=ust[usi]
- if changed[uf] or changed[us] then
- if trace_baseinit and trace_ligatures then
- logs.report("define otf","%s: base ligature %s + %s ignored",cref(kind),gref(descriptions,uf),gref(descriptions,us))
- end
- else
- local first,second=characters[uf],us
- if first and second then
- local t=first.ligatures
- if not t then
- t={}
- first.ligatures=t
- end
- if type(uc)=="number" then
- t[second]={ type=0,char=uc }
- else
- t[second]={ type=0,char=uc[1] }
- end
- if trace_baseinit and trace_ligatures then
- logs.report("define otf","%s: base ligature %s + %s => %s",cref(kind),gref(descriptions,uf),gref(descriptions,us),gref(descriptions,uc))
- end
- end
- end
- end
- end
- end
- ok,done[lig]=true,descriptions[uc].name
- end
- end
- end
- if ok then
- for d,n in next,done do
- local pattern=pcache[d] if not pattern then pattern="^("..d..") " pcache[d]=pattern end
- local fnc=fcache[n] if not fnc then fnc=function() return n.." " end fcache[n]=fnc end
- for k,v in next,ligatures do
- v[1]=gsub(v[1],pattern,fnc)
- end
- end
- else
- break
- end
- end
-end
-local splitter=lpeg.splitat(" ")
-local function prepare_base_substitutions(tfmdata,kind,value)
- if value then
- local otfdata=tfmdata.shared.otfdata
- local validlookups,lookuplist=otf.collect_lookups(otfdata,kind,tfmdata.script,tfmdata.language)
- if validlookups then
- local ligatures={}
- local unicodes=tfmdata.unicodes
- local indices=tfmdata.indices
- local characters=tfmdata.characters
- local descriptions=tfmdata.descriptions
- local changed=tfmdata.changed
- local actions={
- substitution=function(p,lookup,k,glyph,unicode)
- local pv=p[2]
- if pv then
- local upv=unicodes[pv]
- if upv then
- if type(upv)=="table" then
- upv=upv[1]
- end
- if characters[upv] then
- if trace_baseinit and trace_singles then
- logs.report("define otf","%s: base substitution %s => %s",cref(kind,lookup),gref(descriptions,k),gref(descriptions,upv))
- end
- changed[k]=upv
- end
- end
- end
- end,
- alternate=function(p,lookup,k,glyph,unicode)
- local pc=p[2]
- if pc then
- if value==1 then
- pc=lpegmatch(splitter,pc)
- elseif value==2 then
- local a,b=lpegmatch(splitter,pc)
- pc=b or a
- else
- pc={ lpegmatch(splitter,pc) }
- pc=pc[value] or pc[#pc]
- end
- if pc then
- local upc=unicodes[pc]
- if upc then
- if type(upc)=="table" then
- upc=upc[1]
- end
- if characters[upc] then
- if trace_baseinit and trace_alternatives then
- logs.report("define otf","%s: base alternate %s %s => %s",cref(kind,lookup),tostring(value),gref(descriptions,k),gref(descriptions,upc))
- end
- changed[k]=upc
- end
- end
- end
- end
- end,
- ligature=function(p,lookup,k,glyph,unicode)
- local pc=p[2]
- if pc then
- if trace_baseinit and trace_ligatures then
- local upc={ lpegmatch(splitter,pc) }
- for i=1,#upc do upc[i]=unicodes[upc[i]] end
- logs.report("define otf","%s: base ligature %s => %s",cref(kind,lookup),gref(descriptions,upc),gref(descriptions,k))
- end
- ligatures[#ligatures+1]={ pc,k }
- end
- end,
- }
- for k,c in next,characters do
- local glyph=descriptions[k]
- local lookups=glyph.slookups
- if lookups then
- for l=1,#lookuplist do
- local lookup=lookuplist[l]
- local p=lookups[lookup]
- if p then
- local a=actions[p[1]]
- if a then
- a(p,lookup,k,glyph,unicode)
- end
- end
- end
- end
- local lookups=glyph.mlookups
- if lookups then
- for l=1,#lookuplist do
- local lookup=lookuplist[l]
- local ps=lookups[lookup]
- if ps then
- for i=1,#ps do
- local p=ps[i]
- local a=actions[p[1]]
- if a then
- a(p,lookup,k,glyph,unicode)
- end
- end
- end
- end
- end
- end
- resolve_ligatures(tfmdata,ligatures,kind)
- end
- else
- tfmdata.ligatures=tfmdata.ligatures or {}
- end
-end
-local function prepare_base_kerns(tfmdata,kind,value)
- if value then
- local otfdata=tfmdata.shared.otfdata
- local validlookups,lookuplist=otf.collect_lookups(otfdata,kind,tfmdata.script,tfmdata.language)
- if validlookups then
- local unicodes=tfmdata.unicodes
- local indices=tfmdata.indices
- local characters=tfmdata.characters
- local descriptions=tfmdata.descriptions
- local sharedkerns={}
- for u,chr in next,characters do
- local d=descriptions[u]
- if d then
- local dk=d.mykerns
- if dk then
- local s=sharedkerns[dk]
- if s==false then
- elseif s then
- chr.kerns=s
- else
- local t,done=chr.kerns or {},false
- for l=1,#lookuplist do
- local lookup=lookuplist[l]
- local kerns=dk[lookup]
- if kerns then
- for k,v in next,kerns do
- if v~=0 and not t[k] then
- t[k],done=v,true
- if trace_baseinit and trace_kerns then
- logs.report("define otf","%s: base kern %s + %s => %s",cref(kind,lookup),gref(descriptions,u),gref(descriptions,k),v)
- end
- end
- end
- end
- end
- if done then
- sharedkerns[dk]=t
- chr.kerns=t
- else
- sharedkerns[dk]=false
- end
- end
- end
- end
- end
- end
- end
-end
-local supported_gsub={
- 'liga','dlig','rlig','hlig',
- 'pnum','onum','tnum','lnum',
- 'zero',
- 'smcp','cpsp','c2sc','ornm','aalt',
- 'hwid','fwid',
- 'ssty','rtlm',
-}
-local supported_gpos={
- 'kern'
-}
-function otf.features.register_base_substitution(tag)
- supported_gsub[#supported_gsub+1]=tag
-end
-function otf.features.register_base_kern(tag)
- supported_gsub[#supported_gpos+1]=tag
-end
-local basehash,basehashes={},1
-function fonts.initializers.base.otf.features(tfmdata,value)
- if true then
- local t=trace_preparing and os.clock()
- local features=tfmdata.shared.features
- if features then
- local h={}
- for f=1,#supported_gsub do
- local feature=supported_gsub[f]
- local value=features[feature]
- prepare_base_substitutions(tfmdata,feature,value)
- if value then
- h[#h+1]=feature.."="..tostring(value)
- end
- end
- for f=1,#supported_gpos do
- local feature=supported_gpos[f]
- local value=features[feature]
- prepare_base_kerns(tfmdata,feature,features[feature])
- if value then
- h[#h+1]=feature.."="..tostring(value)
- end
- end
- local hash=concat(h," ")
- local base=basehash[hash]
- if not base then
- basehashes=basehashes+1
- base=basehashes
- basehash[hash]=base
- end
- tfmdata.fullname=tfmdata.fullname.."-"..base
- end
- if trace_preparing then
- logs.report("otf define","preparation time is %0.3f seconds for %s",os.clock()-t,tfmdata.fullname or "?")
- end
- end
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['font-otn']={
- version=1.001,
- comment="companion to font-ini.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local concat,insert,remove=table.concat,table.insert,table.remove
-local format,gmatch,gsub,find,match,lower,strip=string.format,string.gmatch,string.gsub,string.find,string.match,string.lower,string.strip
-local type,next,tonumber,tostring=type,next,tonumber,tostring
-local lpegmatch=lpeg.match
-local otf=fonts.otf
-local tfm=fonts.tfm
-local trace_lookups=false trackers.register("otf.lookups",function(v) trace_lookups=v end)
-local trace_singles=false trackers.register("otf.singles",function(v) trace_singles=v end)
-local trace_multiples=false trackers.register("otf.multiples",function(v) trace_multiples=v end)
-local trace_alternatives=false trackers.register("otf.alternatives",function(v) trace_alternatives=v end)
-local trace_ligatures=false trackers.register("otf.ligatures",function(v) trace_ligatures=v end)
-local trace_contexts=false trackers.register("otf.contexts",function(v) trace_contexts=v end)
-local trace_marks=false trackers.register("otf.marks",function(v) trace_marks=v end)
-local trace_kerns=false trackers.register("otf.kerns",function(v) trace_kerns=v end)
-local trace_cursive=false trackers.register("otf.cursive",function(v) trace_cursive=v end)
-local trace_preparing=false trackers.register("otf.preparing",function(v) trace_preparing=v end)
-local trace_bugs=false trackers.register("otf.bugs",function(v) trace_bugs=v end)
-local trace_details=false trackers.register("otf.details",function(v) trace_details=v end)
-local trace_applied=false trackers.register("otf.applied",function(v) trace_applied=v end)
-local trace_steps=false trackers.register("otf.steps",function(v) trace_steps=v end)
-local trace_skips=false trackers.register("otf.skips",function(v) trace_skips=v end)
-local trace_directions=false trackers.register("otf.directions",function(v) trace_directions=v end)
-trackers.register("otf.verbose_chain",function(v) otf.setcontextchain(v and "verbose") end)
-trackers.register("otf.normal_chain",function(v) otf.setcontextchain(v and "normal") end)
-trackers.register("otf.replacements","otf.singles,otf.multiples,otf.alternatives,otf.ligatures")
-trackers.register("otf.positions","otf.marks,otf.kerns,otf.cursive")
-trackers.register("otf.actions","otf.replacements,otf.positions")
-trackers.register("otf.injections","nodes.injections")
-trackers.register("*otf.sample","otf.steps,otf.actions,otf.analyzing")
-local insert_node_after=node.insert_after
-local delete_node=nodes.delete
-local copy_node=node.copy
-local find_node_tail=node.tail or node.slide
-local set_attribute=node.set_attribute
-local has_attribute=node.has_attribute
-local zwnj=0x200C
-local zwj=0x200D
-local wildcard="*"
-local default="dflt"
-local split_at_space=lpeg.splitters[" "] or lpeg.Ct(lpeg.splitat(" "))
-local glyph=node.id('glyph')
-local glue=node.id('glue')
-local kern=node.id('kern')
-local disc=node.id('disc')
-local whatsit=node.id('whatsit')
-local state=attributes.private('state')
-local markbase=attributes.private('markbase')
-local markmark=attributes.private('markmark')
-local markdone=attributes.private('markdone')
-local cursbase=attributes.private('cursbase')
-local curscurs=attributes.private('curscurs')
-local cursdone=attributes.private('cursdone')
-local kernpair=attributes.private('kernpair')
-local set_mark=nodes.set_mark
-local set_cursive=nodes.set_cursive
-local set_kern=nodes.set_kern
-local set_pair=nodes.set_pair
-local markonce=true
-local cursonce=true
-local kernonce=true
-local fontdata=fonts.ids
-otf.features.process={}
-local tfmdata=false
-local otfdata=false
-local characters=false
-local descriptions=false
-local marks=false
-local indices=false
-local unicodes=false
-local currentfont=false
-local lookuptable=false
-local anchorlookups=false
-local handlers={}
-local rlmode=0
-local featurevalue=false
-local context_setups=fonts.define.specify.context_setups
-local context_numbers=fonts.define.specify.context_numbers
-local context_merged=fonts.define.specify.context_merged
-local special_attributes={
- init=1,
- medi=2,
- fina=3,
- isol=4
-}
-local checkstep=(nodes and nodes.tracers and nodes.tracers.steppers.check) or function() end
-local registerstep=(nodes and nodes.tracers and nodes.tracers.steppers.register) or function() end
-local registermessage=(nodes and nodes.tracers and nodes.tracers.steppers.message) or function() end
-local function logprocess(...)
- if trace_steps then
- registermessage(...)
- end
- logs.report("otf direct",...)
-end
-local function logwarning(...)
- logs.report("otf direct",...)
-end
-local function gref(n)
- if type(n)=="number" then
- local description=descriptions[n]
- local name=description and description.name
- if name then
- return format("U+%04X (%s)",n,name)
- else
- return format("U+%04X",n)
- end
- elseif not n then
- return "<error in tracing>"
- else
- local num,nam={},{}
- for i=1,#n do
- local ni=n[i]
- num[#num+1]=format("U+%04X",ni)
- local dni=descriptions[ni]
- nam[#num]=(dni and dni.name) or "?"
- end
- return format("%s (%s)",concat(num," "),concat(nam," "))
- end
-end
-local function cref(kind,chainname,chainlookupname,lookupname,index)
- if index then
- return format("feature %s, chain %s, sub %s, lookup %s, index %s",kind,chainname,chainlookupname,lookupname,index)
- elseif lookupname then
- return format("feature %s, chain %s, sub %s, lookup %s",kind,chainname or "?",chainlookupname or "?",lookupname)
- elseif chainlookupname then
- return format("feature %s, chain %s, sub %s",kind,chainname or "?",chainlookupname)
- elseif chainname then
- return format("feature %s, chain %s",kind,chainname)
- else
- return format("feature %s",kind)
- end
-end
-local function pref(kind,lookupname)
- return format("feature %s, lookup %s",kind,lookupname)
-end
-local function markstoligature(kind,lookupname,start,stop,char)
- local n=copy_node(start)
- local keep=start
- local current
- current,start=insert_node_after(start,start,n)
- local snext=stop.next
- current.next=snext
- if snext then
- snext.prev=current
- end
- start.prev,stop.next=nil,nil
- current.char,current.subtype,current.components=char,2,start
- return keep
-end
-local function toligature(kind,lookupname,start,stop,char,markflag,discfound)
- if start~=stop then
- if discfound then
- local lignode=copy_node(start)
- lignode.font,lignode.char,lignode.subtype=start.font,char,2
- local next,prev=stop.next,start.prev
- stop.next=nil
- lignode=node.do_ligature_n(start,stop,lignode)
- prev.next=lignode
- if next then
- next.prev=lignode
- end
- lignode.next,lignode.prev=next,prev
- start=lignode
- else
- local deletemarks=markflag~="mark"
- local n=copy_node(start)
- local current
- current,start=insert_node_after(start,start,n)
- local snext=stop.next
- current.next=snext
- if snext then
- snext.prev=current
- end
- start.prev,stop.next=nil,nil
- current.char,current.subtype,current.components=char,2,start
- local head=current
- if deletemarks then
- if trace_marks then
- while start do
- if marks[start.char] then
- logwarning("%s: remove mark %s",pref(kind,lookupname),gref(start.char))
- end
- start=start.next
- end
- end
- else
- local i=0
- while start do
- if marks[start.char] then
- set_attribute(start,markdone,i)
- if trace_marks then
- logwarning("%s: keep mark %s, gets index %s",pref(kind,lookupname),gref(start.char),i)
- end
- head,current=insert_node_after(head,current,copy_node(start))
- else
- i=i+1
- end
- start=start.next
- end
- start=current.next
- while start and start.id==glyph do
- if marks[start.char] then
- set_attribute(start,markdone,i)
- if trace_marks then
- logwarning("%s: keep mark %s, gets index %s",pref(kind,lookupname),gref(start.char),i)
- end
- else
- break
- end
- start=start.next
- end
- end
- return head
- end
- else
- start.char=char
- end
- return start
-end
-function handlers.gsub_single(start,kind,lookupname,replacement)
- if trace_singles then
- logprocess("%s: replacing %s by single %s",pref(kind,lookupname),gref(start.char),gref(replacement))
- end
- start.char=replacement
- return start,true
-end
-local function alternative_glyph(start,alternatives,kind,chainname,chainlookupname,lookupname)
- local value,choice,n=featurevalue or tfmdata.shared.features[kind],nil,#alternatives
- if value=="random" then
- local r=math.random(1,n)
- value,choice=format("random, choice %s",r),alternatives[r]
- elseif value=="first" then
- value,choice=format("first, choice %s",1),alternatives[1]
- elseif value=="last" then
- value,choice=format("last, choice %s",n),alternatives[n]
- else
- value=tonumber(value)
- if type(value)~="number" then
- value,choice="default, choice 1",alternatives[1]
- elseif value>n then
- value,choice=format("no %s variants, taking %s",value,n),alternatives[n]
- elseif value==0 then
- value,choice=format("choice %s (no change)",value),start.char
- elseif value<1 then
- value,choice=format("no %s variants, taking %s",value,1),alternatives[1]
- else
- value,choice=format("choice %s",value),alternatives[value]
- end
- end
- if not choice then
- logwarning("%s: no variant %s for %s",cref(kind,chainname,chainlookupname,lookupname),value,gref(start.char))
- choice,value=start.char,format("no replacement instead of %s",value)
- end
- return choice,value
-end
-function handlers.gsub_alternate(start,kind,lookupname,alternative,sequence)
- local choice,index=alternative_glyph(start,alternative,kind,lookupname)
- if trace_alternatives then
- logprocess("%s: replacing %s by alternative %s (%s)",pref(kind,lookupname),gref(start.char),gref(choice),index)
- end
- start.char=choice
- return start,true
-end
-function handlers.gsub_multiple(start,kind,lookupname,multiple)
- if trace_multiples then
- logprocess("%s: replacing %s by multiple %s",pref(kind,lookupname),gref(start.char),gref(multiple))
- end
- start.char=multiple[1]
- if #multiple>1 then
- for k=2,#multiple do
- local n=copy_node(start)
- n.char=multiple[k]
- local sn=start.next
- n.next=sn
- n.prev=start
- if sn then
- sn.prev=n
- end
- start.next=n
- start=n
- end
- end
- return start,true
-end
-function handlers.gsub_ligature(start,kind,lookupname,ligature,sequence)
- local s,stop,discfound=start.next,nil,false
- local startchar=start.char
- if marks[startchar] then
- while s do
- local id=s.id
- if id==glyph and s.subtype<256 then
- if s.font==currentfont then
- local char=s.char
- local lg=ligature[1][char]
- if not lg then
- break
- else
- stop=s
- ligature=lg
- s=s.next
- end
- else
- break
- end
- else
- break
- end
- end
- if stop and ligature[2] then
- if trace_ligatures then
- local stopchar=stop.char
- start=markstoligature(kind,lookupname,start,stop,ligature[2])
- logprocess("%s: replacing %s upto %s by ligature %s",pref(kind,lookupname),gref(startchar),gref(stopchar),gref(start.char))
- else
- start=markstoligature(kind,lookupname,start,stop,ligature[2])
- end
- return start,true
- end
- else
- local skipmark=sequence.flags[1]
- while s do
- local id=s.id
- if id==glyph and s.subtype<256 then
- if s.font==currentfont then
- local char=s.char
- if skipmark and marks[char] then
- s=s.next
- else
- local lg=ligature[1][char]
- if not lg then
- break
- else
- stop=s
- ligature=lg
- s=s.next
- end
- end
- else
- break
- end
- elseif id==disc then
- discfound=true
- s=s.next
- else
- break
- end
- end
- if stop and ligature[2] then
- if trace_ligatures then
- local stopchar=stop.char
- start=toligature(kind,lookupname,start,stop,ligature[2],skipmark,discfound)
- logprocess("%s: replacing %s upto %s by ligature %s",pref(kind,lookupname),gref(startchar),gref(stopchar),gref(start.char))
- else
- start=toligature(kind,lookupname,start,stop,ligature[2],skipmark,discfound)
- end
- return start,true
- end
- end
- return start,false
-end
-function handlers.gpos_mark2base(start,kind,lookupname,markanchors,sequence)
- local markchar=start.char
- if marks[markchar] then
- local base=start.prev
- if base and base.id==glyph and base.subtype<256 and base.font==currentfont then
- local basechar=base.char
- if marks[basechar] then
- while true do
- base=base.prev
- if base and base.id==glyph and base.subtype<256 and base.font==currentfont then
- basechar=base.char
- if not marks[basechar] then
- break
- end
- else
- if trace_bugs then
- logwarning("%s: no base for mark %s",pref(kind,lookupname),gref(markchar))
- end
- return start,false
- end
- end
- end
- local baseanchors=descriptions[basechar]
- if baseanchors then
- baseanchors=baseanchors.anchors
- end
- if baseanchors then
- local baseanchors=baseanchors['basechar']
- if baseanchors then
- local al=anchorlookups[lookupname]
- for anchor,ba in next,baseanchors do
- if al[anchor] then
- local ma=markanchors[anchor]
- if ma then
- local dx,dy,bound=set_mark(start,base,tfmdata.factor,rlmode,ba,ma)
- if trace_marks then
- logprocess("%s, anchor %s, bound %s: anchoring mark %s to basechar %s => (%s,%s)",
- pref(kind,lookupname),anchor,bound,gref(markchar),gref(basechar),dx,dy)
- end
- return start,true
- end
- end
- end
- if trace_bugs then
- logwarning("%s, no matching anchors for mark %s and base %s",pref(kind,lookupname),gref(markchar),gref(basechar))
- end
- end
- else
- fonts.register_message(currentfont,basechar,"no base anchors")
- end
- elseif trace_bugs then
- logwarning("%s: prev node is no char",pref(kind,lookupname))
- end
- elseif trace_bugs then
- logwarning("%s: mark %s is no mark",pref(kind,lookupname),gref(markchar))
- end
- return start,false
-end
-function handlers.gpos_mark2ligature(start,kind,lookupname,markanchors,sequence)
- local markchar=start.char
- if marks[markchar] then
- local base=start.prev
- local index=1
- if base and base.id==glyph and base.subtype<256 and base.font==currentfont then
- local basechar=base.char
- if marks[basechar] then
- index=index+1
- while true do
- base=base.prev
- if base and base.id==glyph and base.subtype<256 and base.font==currentfont then
- basechar=base.char
- if marks[basechar] then
- index=index+1
- else
- break
- end
- else
- if trace_bugs then
- logwarning("%s: no base for mark %s",pref(kind,lookupname),gref(markchar))
- end
- return start,false
- end
- end
- end
- local i=has_attribute(start,markdone)
- if i then index=i end
- local baseanchors=descriptions[basechar]
- if baseanchors then
- baseanchors=baseanchors.anchors
- if baseanchors then
- local baseanchors=baseanchors['baselig']
- if baseanchors then
- local al=anchorlookups[lookupname]
- for anchor,ba in next,baseanchors do
- if al[anchor] then
- local ma=markanchors[anchor]
- if ma then
- ba=ba[index]
- if ba then
- local dx,dy,bound=set_mark(start,base,tfmdata.factor,rlmode,ba,ma,index)
- if trace_marks then
- logprocess("%s, anchor %s, index %s, bound %s: anchoring mark %s to baselig %s at index %s => (%s,%s)",
- pref(kind,lookupname),anchor,index,bound,gref(markchar),gref(basechar),index,dx,dy)
- end
- return start,true
- end
- end
- end
- end
- if trace_bugs then
- logwarning("%s: no matching anchors for mark %s and baselig %s",pref(kind,lookupname),gref(markchar),gref(basechar))
- end
- end
- end
- else
- fonts.register_message(currentfont,basechar,"no base anchors")
- end
- elseif trace_bugs then
- logwarning("%s: prev node is no char",pref(kind,lookupname))
- end
- elseif trace_bugs then
- logwarning("%s: mark %s is no mark",pref(kind,lookupname),gref(markchar))
- end
- return start,false
-end
-function handlers.gpos_mark2mark(start,kind,lookupname,markanchors,sequence)
- local markchar=start.char
- if marks[markchar] then
- local base=start.prev
- if base and base.id==glyph and base.subtype<256 and base.font==currentfont then
- local basechar=base.char
- local baseanchors=descriptions[basechar]
- if baseanchors then
- baseanchors=baseanchors.anchors
- if baseanchors then
- baseanchors=baseanchors['basemark']
- if baseanchors then
- local al=anchorlookups[lookupname]
- for anchor,ba in next,baseanchors do
- if al[anchor] then
- local ma=markanchors[anchor]
- if ma then
- local dx,dy,bound=set_mark(start,base,tfmdata.factor,rlmode,ba,ma)
- if trace_marks then
- logprocess("%s, anchor %s, bound %s: anchoring mark %s to basemark %s => (%s,%s)",
- pref(kind,lookupname),anchor,bound,gref(markchar),gref(basechar),dx,dy)
- end
- return start,true
- end
- end
- end
- if trace_bugs then
- logwarning("%s: no matching anchors for mark %s and basemark %s",pref(kind,lookupname),gref(markchar),gref(basechar))
- end
- end
- end
- else
- fonts.register_message(currentfont,basechar,"no base anchors")
- end
- elseif trace_bugs then
- logwarning("%s: prev node is no mark",pref(kind,lookupname))
- end
- elseif trace_bugs then
- logwarning("%s: mark %s is no mark",pref(kind,lookupname),gref(markchar))
- end
- return start,false
-end
-function handlers.gpos_cursive(start,kind,lookupname,exitanchors,sequence)
- local alreadydone=cursonce and has_attribute(start,cursbase)
- if not alreadydone then
- local done=false
- local startchar=start.char
- if marks[startchar] then
- if trace_cursive then
- logprocess("%s: ignoring cursive for mark %s",pref(kind,lookupname),gref(startchar))
- end
- else
- local nxt=start.next
- while not done and nxt and nxt.id==glyph and nxt.subtype<256 and nxt.font==currentfont do
- local nextchar=nxt.char
- if marks[nextchar] then
- nxt=nxt.next
- else
- local entryanchors=descriptions[nextchar]
- if entryanchors then
- entryanchors=entryanchors.anchors
- if entryanchors then
- entryanchors=entryanchors['centry']
- if entryanchors then
- local al=anchorlookups[lookupname]
- for anchor,entry in next,entryanchors do
- if al[anchor] then
- local exit=exitanchors[anchor]
- if exit then
- local dx,dy,bound=set_cursive(start,nxt,tfmdata.factor,rlmode,exit,entry,characters[startchar],characters[nextchar])
- if trace_cursive then
- logprocess("%s: moving %s to %s cursive (%s,%s) using anchor %s and bound %s in rlmode %s",pref(kind,lookupname),gref(startchar),gref(nextchar),dx,dy,anchor,bound,rlmode)
- end
- done=true
- break
- end
- end
- end
- end
- end
- else
- fonts.register_message(currentfont,startchar,"no entry anchors")
- end
- break
- end
- end
- end
- return start,done
- else
- if trace_cursive and trace_details then
- logprocess("%s, cursive %s is already done",pref(kind,lookupname),gref(start.char),alreadydone)
- end
- return start,false
- end
-end
-function handlers.gpos_single(start,kind,lookupname,kerns,sequence)
- local startchar=start.char
- local dx,dy,w,h=set_pair(start,tfmdata.factor,rlmode,sequence.flags[4],kerns,characters[startchar])
- if trace_kerns then
- logprocess("%s: shifting single %s by (%s,%s) and correction (%s,%s)",pref(kind,lookupname),gref(startchar),dx,dy,w,h)
- end
- return start,false
-end
-function handlers.gpos_pair(start,kind,lookupname,kerns,sequence)
- local snext=start.next
- if not snext then
- return start,false
- else
- local prev,done=start,false
- local factor=tfmdata.factor
- while snext and snext.id==glyph and snext.subtype<256 and snext.font==currentfont do
- local nextchar=snext.char
-local krn=kerns[nextchar]
- if not krn and marks[nextchar] then
- prev=snext
- snext=snext.next
- else
- local krn=kerns[nextchar]
- if not krn then
- elseif type(krn)=="table" then
- if krn[1]=="pair" then
- local a,b=krn[3],krn[4]
- if a and #a>0 then
- local startchar=start.char
- local x,y,w,h=set_pair(start,factor,rlmode,sequence.flags[4],a,characters[startchar])
- if trace_kerns then
- logprocess("%s: shifting first of pair %s and %s by (%s,%s) and correction (%s,%s)",pref(kind,lookupname),gref(startchar),gref(nextchar),x,y,w,h)
- end
- end
- if b and #b>0 then
- local startchar=start.char
- local x,y,w,h=set_pair(snext,factor,rlmode,sequence.flags[4],b,characters[nextchar])
- if trace_kerns then
- logprocess("%s: shifting second of pair %s and %s by (%s,%s) and correction (%s,%s)",pref(kind,lookupname),gref(startchar),gref(nextchar),x,y,w,h)
- end
- end
- else
- logs.report("%s: check this out (old kern stuff)",pref(kind,lookupname))
- local a,b=krn[3],krn[7]
- if a and a~=0 then
- local k=set_kern(snext,factor,rlmode,a)
- if trace_kerns then
- logprocess("%s: inserting first kern %s between %s and %s",pref(kind,lookupname),k,gref(prev.char),gref(nextchar))
- end
- end
- if b and b~=0 then
- logwarning("%s: ignoring second kern xoff %s",pref(kind,lookupname),b*factor)
- end
- end
- done=true
- elseif krn~=0 then
- local k=set_kern(snext,factor,rlmode,krn)
- if trace_kerns then
- logprocess("%s: inserting kern %s between %s and %s",pref(kind,lookupname),k,gref(prev.char),gref(nextchar))
- end
- done=true
- end
- break
- end
- end
- return start,done
- end
-end
-local chainmores={}
-local chainprocs={}
-local function logprocess(...)
- if trace_steps then
- registermessage(...)
- end
- logs.report("otf subchain",...)
-end
-local function logwarning(...)
- logs.report("otf subchain",...)
-end
-function chainmores.chainsub(start,stop,kind,chainname,currentcontext,cache,lookuplist,chainlookupname,n)
- logprocess("%s: a direct call to chainsub cannot happen",cref(kind,chainname,chainlookupname))
- return start,false
-end
-function chainmores.gsub_multiple(start,stop,kind,chainname,currentcontext,cache,currentlookup,chainlookupname,n)
- logprocess("%s: gsub_multiple not yet supported",cref(kind,chainname,chainlookupname))
- return start,false
-end
-function chainmores.gsub_alternate(start,stop,kind,chainname,currentcontext,cache,currentlookup,chainlookupname,n)
- logprocess("%s: gsub_alternate not yet supported",cref(kind,chainname,chainlookupname))
- return start,false
-end
-local function logprocess(...)
- if trace_steps then
- registermessage(...)
- end
- logs.report("otf chain",...)
-end
-local function logwarning(...)
- logs.report("otf chain",...)
-end
-function chainprocs.chainsub(start,stop,kind,chainname,currentcontext,cache,lookuplist,chainlookupname)
- logwarning("%s: a direct call to chainsub cannot happen",cref(kind,chainname,chainlookupname))
- return start,false
-end
-function chainprocs.reversesub(start,stop,kind,chainname,currentcontext,cache,replacements)
- local char=start.char
- local replacement=replacements[char]
- if replacement then
- if trace_singles then
- logprocess("%s: single reverse replacement of %s by %s",cref(kind,chainname),gref(char),gref(replacement))
- end
- start.char=replacement
- return start,true
- else
- return start,false
- end
-end
-local function delete_till_stop(start,stop,ignoremarks)
- if start~=stop then
- local done=false
- while not done do
- done=start==stop
- delete_node(start,start.next)
- end
- end
-end
-function chainprocs.gsub_single(start,stop,kind,chainname,currentcontext,cache,currentlookup,chainlookupname,chainindex)
- if not chainindex then
- delete_till_stop(start,stop)
- end
- local current=start
- local subtables=currentlookup.subtables
- while current do
- if current.id==glyph then
- local currentchar=current.char
- local lookupname=subtables[1]
- local replacement=cache.gsub_single[lookupname]
- if not replacement then
- if trace_bugs then
- logwarning("%s: no single hits",cref(kind,chainname,chainlookupname,lookupname,chainindex))
- end
- else
- replacement=replacement[currentchar]
- if not replacement then
- if trace_bugs then
- logwarning("%s: no single for %s",cref(kind,chainname,chainlookupname,lookupname,chainindex),gref(currentchar))
- end
- else
- if trace_singles then
- logprocess("%s: replacing single %s by %s",cref(kind,chainname,chainlookupname,lookupname,chainindex),gref(currentchar),gref(replacement))
- end
- current.char=replacement
- end
- end
- return start,true
- elseif current==stop then
- break
- else
- current=current.next
- end
- end
- return start,false
-end
-chainmores.gsub_single=chainprocs.gsub_single
-function chainprocs.gsub_multiple(start,stop,kind,chainname,currentcontext,cache,currentlookup,chainlookupname)
- delete_till_stop(start,stop)
- local startchar=start.char
- local subtables=currentlookup.subtables
- local lookupname=subtables[1]
- local replacements=cache.gsub_multiple[lookupname]
- if not replacements then
- if trace_bugs then
- logwarning("%s: no multiple hits",cref(kind,chainname,chainlookupname,lookupname))
- end
- else
- replacements=replacements[startchar]
- if not replacements then
- if trace_bugs then
- logwarning("%s: no multiple for %s",cref(kind,chainname,chainlookupname,lookupname),gref(startchar))
- end
- else
- if trace_multiples then
- logprocess("%s: replacing %s by multiple characters %s",cref(kind,chainname,chainlookupname,lookupname),gref(startchar),gref(replacements))
- end
- local sn=start.next
- for k=1,#replacements do
- if k==1 then
- start.char=replacements[k]
- else
- local n=copy_node(start)
- n.char=replacements[k]
- n.next,n.prev=sn,start
- if sn then
- sn.prev=n
- end
- start.next,start=n,n
- end
- end
- return start,true
- end
- end
- return start,false
-end
-function chainprocs.gsub_alternate(start,stop,kind,chainname,currentcontext,cache,currentlookup,chainlookupname)
- delete_till_stop(start,stop)
- local current=start
- local subtables=currentlookup.subtables
- while current do
- if current.id==glyph then
- local currentchar=current.char
- local lookupname=subtables[1]
- local alternatives=cache.gsub_alternate[lookupname]
- if not alternatives then
- if trace_bugs then
- logwarning("%s: no alternative hits",cref(kind,chainname,chainlookupname,lookupname))
- end
- else
- alternatives=alternatives[currentchar]
- if not alternatives then
- if trace_bugs then
- logwarning("%s: no alternative for %s",cref(kind,chainname,chainlookupname,lookupname),gref(currentchar))
- end
- else
- local choice,index=alternative_glyph(current,alternatives,kind,chainname,chainlookupname,lookupname)
- current.char=choice
- if trace_alternatives then
- logprocess("%s: replacing single %s by alternative %s (%s)",cref(kind,chainname,chainlookupname,lookupname),index,gref(currentchar),gref(choice),index)
- end
- end
- end
- return start,true
- elseif current==stop then
- break
- else
- current=current.next
- end
- end
- return start,false
-end
-function chainprocs.gsub_ligature(start,stop,kind,chainname,currentcontext,cache,currentlookup,chainlookupname,chainindex)
- local startchar=start.char
- local subtables=currentlookup.subtables
- local lookupname=subtables[1]
- local ligatures=cache.gsub_ligature[lookupname]
- if not ligatures then
- if trace_bugs then
- logwarning("%s: no ligature hits",cref(kind,chainname,chainlookupname,lookupname,chainindex))
- end
- else
- ligatures=ligatures[startchar]
- if not ligatures then
- if trace_bugs then
- logwarning("%s: no ligatures starting with %s",cref(kind,chainname,chainlookupname,lookupname,chainindex),gref(startchar))
- end
- else
- local s,discfound,last,nofreplacements=start.next,false,stop,0
- while s do
- local id=s.id
- if id==disc then
- s=s.next
- discfound=true
- else
- local schar=s.char
- if marks[schar] then
- s=s.next
- else
- local lg=ligatures[1][schar]
- if not lg then
- break
- else
- ligatures,last,nofreplacements=lg,s,nofreplacements+1
- if s==stop then
- break
- else
- s=s.next
- end
- end
- end
- end
- end
- local l2=ligatures[2]
- if l2 then
- if chainindex then
- stop=last
- end
- if trace_ligatures then
- if start==stop then
- logprocess("%s: replacing character %s by ligature %s",cref(kind,chainname,chainlookupname,lookupname,chainindex),gref(startchar),gref(l2))
- else
- logprocess("%s: replacing character %s upto %s by ligature %s",cref(kind,chainname,chainlookupname,lookupname,chainindex),gref(startchar),gref(stop.char),gref(l2))
- end
- end
- start=toligature(kind,lookupname,start,stop,l2,currentlookup.flags[1],discfound)
- return start,true,nofreplacements
- elseif trace_bugs then
- if start==stop then
- logwarning("%s: replacing character %s by ligature fails",cref(kind,chainname,chainlookupname,lookupname,chainindex),gref(startchar))
- else
- logwarning("%s: replacing character %s upto %s by ligature fails",cref(kind,chainname,chainlookupname,lookupname,chainindex),gref(startchar),gref(stop.char))
- end
- end
- end
- end
- return start,false,0
-end
-chainmores.gsub_ligature=chainprocs.gsub_ligature
-function chainprocs.gpos_mark2base(start,stop,kind,chainname,currentcontext,cache,currentlookup,chainlookupname)
- local markchar=start.char
- if marks[markchar] then
- local subtables=currentlookup.subtables
- local lookupname=subtables[1]
- local markanchors=cache.gpos_mark2base[lookupname]
- if markanchors then
- markanchors=markanchors[markchar]
- end
- if markanchors then
- local base=start.prev
- if base and base.id==glyph and base.subtype<256 and base.font==currentfont then
- local basechar=base.char
- if marks[basechar] then
- while true do
- base=base.prev
- if base and base.id==glyph and base.subtype<256 and base.font==currentfont then
- basechar=base.char
- if not marks[basechar] then
- break
- end
- else
- if trace_bugs then
- logwarning("%s: no base for mark %s",pref(kind,lookupname),gref(markchar))
- end
- return start,false
- end
- end
- end
- local baseanchors=descriptions[basechar].anchors
- if baseanchors then
- local baseanchors=baseanchors['basechar']
- if baseanchors then
- local al=anchorlookups[lookupname]
- for anchor,ba in next,baseanchors do
- if al[anchor] then
- local ma=markanchors[anchor]
- if ma then
- local dx,dy,bound=set_mark(start,base,tfmdata.factor,rlmode,ba,ma)
- if trace_marks then
- logprocess("%s, anchor %s, bound %s: anchoring mark %s to basechar %s => (%s,%s)",
- cref(kind,chainname,chainlookupname,lookupname),anchor,bound,gref(markchar),gref(basechar),dx,dy)
- end
- return start,true
- end
- end
- end
- if trace_bugs then
- logwarning("%s, no matching anchors for mark %s and base %s",cref(kind,chainname,chainlookupname,lookupname),gref(markchar),gref(basechar))
- end
- end
- end
- elseif trace_bugs then
- logwarning("%s: prev node is no char",cref(kind,chainname,chainlookupname,lookupname))
- end
- elseif trace_bugs then
- logwarning("%s: mark %s has no anchors",cref(kind,chainname,chainlookupname,lookupname),gref(markchar))
- end
- elseif trace_bugs then
- logwarning("%s: mark %s is no mark",cref(kind,chainname,chainlookupname),gref(markchar))
- end
- return start,false
-end
-function chainprocs.gpos_mark2ligature(start,stop,kind,chainname,currentcontext,cache,currentlookup,chainlookupname)
- local markchar=start.char
- if marks[markchar] then
- local subtables=currentlookup.subtables
- local lookupname=subtables[1]
- local markanchors=cache.gpos_mark2ligature[lookupname]
- if markanchors then
- markanchors=markanchors[markchar]
- end
- if markanchors then
- local base=start.prev
- local index=1
- if base and base.id==glyph and base.subtype<256 and base.font==currentfont then
- local basechar=base.char
- if marks[basechar] then
- index=index+1
- while true do
- base=base.prev
- if base and base.id==glyph and base.subtype<256 and base.font==currentfont then
- basechar=base.char
- if marks[basechar] then
- index=index+1
- else
- break
- end
- else
- if trace_bugs then
- logwarning("%s: no base for mark %s",cref(kind,chainname,chainlookupname,lookupname),markchar)
- end
- return start,false
- end
- end
- end
- local i=has_attribute(start,markdone)
- if i then index=i end
- local baseanchors=descriptions[basechar].anchors
- if baseanchors then
- local baseanchors=baseanchors['baselig']
- if baseanchors then
- local al=anchorlookups[lookupname]
- for anchor,ba in next,baseanchors do
- if al[anchor] then
- local ma=markanchors[anchor]
- if ma then
- ba=ba[index]
- if ba then
- local dx,dy,bound=set_mark(start,base,tfmdata.factor,rlmode,ba,ma,index)
- if trace_marks then
- logprocess("%s, anchor %s, bound %s: anchoring mark %s to baselig %s at index %s => (%s,%s)",
- cref(kind,chainname,chainlookupname,lookupname),anchor,a or bound,gref(markchar),gref(basechar),index,dx,dy)
- end
- return start,true
- end
- end
- end
- end
- if trace_bugs then
- logwarning("%s: no matching anchors for mark %s and baselig %s",cref(kind,chainname,chainlookupname,lookupname),gref(markchar),gref(basechar))
- end
- end
- end
- elseif trace_bugs then
- logwarning("feature %s, lookup %s: prev node is no char",kind,lookupname)
- end
- elseif trace_bugs then
- logwarning("%s: mark %s has no anchors",cref(kind,chainname,chainlookupname,lookupname),gref(markchar))
- end
- elseif trace_bugs then
- logwarning("%s: mark %s is no mark",cref(kind,chainname,chainlookupname),gref(markchar))
- end
- return start,false
-end
-function chainprocs.gpos_mark2mark(start,stop,kind,chainname,currentcontext,cache,currentlookup,chainlookupname)
- local markchar=start.char
- if marks[markchar] then
- local subtables=currentlookup.subtables
- local lookupname=subtables[1]
- local markanchors=cache.gpos_mark2mark[lookupname]
- if markanchors then
- markanchors=markanchors[markchar]
- end
- if markanchors then
- local base=start.prev
- if base and base.id==glyph and base.subtype<256 and base.font==currentfont then
- local basechar=base.char
- local baseanchors=descriptions[basechar].anchors
- if baseanchors then
- baseanchors=baseanchors['basemark']
- if baseanchors then
- local al=anchorlookups[lookupname]
- for anchor,ba in next,baseanchors do
- if al[anchor] then
- local ma=markanchors[anchor]
- if ma then
- local dx,dy,bound=set_mark(start,base,tfmdata.factor,rlmode,ba,ma)
- if trace_marks then
- logprocess("%s, anchor %s, bound %s: anchoring mark %s to basemark %s => (%s,%s)",
- cref(kind,chainname,chainlookupname,lookupname),anchor,bound,gref(markchar),gref(basechar),dx,dy)
- end
- return start,true
- end
- end
- end
- if trace_bugs then
- logwarning("%s: no matching anchors for mark %s and basemark %s",gref(kind,chainname,chainlookupname,lookupname),gref(markchar),gref(basechar))
- end
- end
- end
- elseif trace_bugs then
- logwarning("%s: prev node is no mark",cref(kind,chainname,chainlookupname,lookupname))
- end
- elseif trace_bugs then
- logwarning("%s: mark %s has no anchors",cref(kind,chainname,chainlookupname,lookupname),gref(markchar))
- end
- elseif trace_bugs then
- logwarning("%s: mark %s is no mark",cref(kind,chainname,chainlookupname),gref(markchar))
- end
- return start,false
-end
-function chainprocs.gpos_cursive(start,stop,kind,chainname,currentcontext,cache,currentlookup,chainlookupname)
- local alreadydone=cursonce and has_attribute(start,cursbase)
- if not alreadydone then
- local startchar=start.char
- local subtables=currentlookup.subtables
- local lookupname=subtables[1]
- local exitanchors=cache.gpos_cursive[lookupname]
- if exitanchors then
- exitanchors=exitanchors[startchar]
- end
- if exitanchors then
- local done=false
- if marks[startchar] then
- if trace_cursive then
- logprocess("%s: ignoring cursive for mark %s",pref(kind,lookupname),gref(startchar))
- end
- else
- local nxt=start.next
- while not done and nxt and nxt.id==glyph and nxt.subtype<256 and nxt.font==currentfont do
- local nextchar=nxt.char
- if marks[nextchar] then
- nxt=nxt.next
- else
- local entryanchors=descriptions[nextchar]
- if entryanchors then
- entryanchors=entryanchors.anchors
- if entryanchors then
- entryanchors=entryanchors['centry']
- if entryanchors then
- local al=anchorlookups[lookupname]
- for anchor,entry in next,entryanchors do
- if al[anchor] then
- local exit=exitanchors[anchor]
- if exit then
- local dx,dy,bound=set_cursive(start,nxt,tfmdata.factor,rlmode,exit,entry,characters[startchar],characters[nextchar])
- if trace_cursive then
- logprocess("%s: moving %s to %s cursive (%s,%s) using anchor %s and bound %s in rlmode %s",pref(kind,lookupname),gref(startchar),gref(nextchar),dx,dy,anchor,bound,rlmode)
- end
- done=true
- break
- end
- end
- end
- end
- end
- else
- fonts.register_message(currentfont,startchar,"no entry anchors")
- end
- break
- end
- end
- end
- return start,done
- else
- if trace_cursive and trace_details then
- logprocess("%s, cursive %s is already done",pref(kind,lookupname),gref(start.char),alreadydone)
- end
- return start,false
- end
- end
- return start,false
-end
-function chainprocs.gpos_single(start,stop,kind,chainname,currentcontext,cache,currentlookup,chainlookupname,chainindex,sequence)
- local startchar=start.char
- local subtables=currentlookup.subtables
- local lookupname=subtables[1]
- local kerns=cache.gpos_single[lookupname]
- if kerns then
- kerns=kerns[startchar]
- if kerns then
- local dx,dy,w,h=set_pair(start,tfmdata.factor,rlmode,sequence.flags[4],kerns,characters[startchar])
- if trace_kerns then
- logprocess("%s: shifting single %s by (%s,%s) and correction (%s,%s)",cref(kind,chainname,chainlookupname),gref(startchar),dx,dy,w,h)
- end
- end
- end
- return start,false
-end
-function chainprocs.gpos_pair(start,stop,kind,chainname,currentcontext,cache,currentlookup,chainlookupname,chainindex,sequence)
- local snext=start.next
- if snext then
- local startchar=start.char
- local subtables=currentlookup.subtables
- local lookupname=subtables[1]
- local kerns=cache.gpos_pair[lookupname]
- if kerns then
- kerns=kerns[startchar]
- if kerns then
- local prev,done=start,false
- local factor=tfmdata.factor
- while snext and snext.id==glyph and snext.subtype<256 and snext.font==currentfont do
- local nextchar=snext.char
- local krn=kerns[nextchar]
- if not krn and marks[nextchar] then
- prev=snext
- snext=snext.next
- else
- if not krn then
- elseif type(krn)=="table" then
- if krn[1]=="pair" then
- local a,b=krn[3],krn[4]
- if a and #a>0 then
- local startchar=start.char
- local x,y,w,h=set_pair(start,factor,rlmode,sequence.flags[4],a,characters[startchar])
- if trace_kerns then
- logprocess("%s: shifting first of pair %s and %s by (%s,%s) and correction (%s,%s)",cref(kind,chainname,chainlookupname),gref(startchar),gref(nextchar),x,y,w,h)
- end
- end
- if b and #b>0 then
- local startchar=start.char
- local x,y,w,h=set_pair(snext,factor,rlmode,sequence.flags[4],b,characters[nextchar])
- if trace_kerns then
- logprocess("%s: shifting second of pair %s and %s by (%s,%s) and correction (%s,%s)",cref(kind,chainname,chainlookupname),gref(startchar),gref(nextchar),x,y,w,h)
- end
- end
- else
- logs.report("%s: check this out (old kern stuff)",cref(kind,chainname,chainlookupname))
- local a,b=krn[3],krn[7]
- if a and a~=0 then
- local k=set_kern(snext,factor,rlmode,a)
- if trace_kerns then
- logprocess("%s: inserting first kern %s between %s and %s",cref(kind,chainname,chainlookupname),k,gref(prev.char),gref(nextchar))
- end
- end
- if b and b~=0 then
- logwarning("%s: ignoring second kern xoff %s",cref(kind,chainname,chainlookupname),b*factor)
- end
- end
- done=true
- elseif krn~=0 then
- local k=set_kern(snext,factor,rlmode,krn)
- if trace_kerns then
- logprocess("%s: inserting kern %s between %s and %s",cref(kind,chainname,chainlookupname),k,gref(prev.char),gref(nextchar))
- end
- done=true
- end
- break
- end
- end
- return start,done
- end
- end
- end
- return start,false
-end
-local function show_skip(kind,chainname,char,ck,class)
- if ck[9] then
- logwarning("%s: skipping char %s (%s) in rule %s, lookuptype %s (%s=>%s)",cref(kind,chainname),gref(char),class,ck[1],ck[2],ck[9],ck[10])
- else
- logwarning("%s: skipping char %s (%s) in rule %s, lookuptype %s",cref(kind,chainname),gref(char),class,ck[1],ck[2])
- end
-end
-local function normal_handle_contextchain(start,kind,chainname,contexts,sequence,cache)
- local flags,done=sequence.flags,false
- local skipmark,skipligature,skipbase=flags[1],flags[2],flags[3]
- local someskip=skipmark or skipligature or skipbase
- local markclass=sequence.markclass
- local skipped=false
- for k=1,#contexts do
- local match,current,last=true,start,start
- local ck=contexts[k]
- local seq=ck[3]
- local s=#seq
- if s==1 then
- match=current.id==glyph and current.subtype<256 and current.font==currentfont and seq[1][current.char]
- else
- local f,l=ck[4],ck[5]
- if f==l then
- match=true
- else
- local n=f+1
- last=last.next
- while n<=l do
- if last then
- local id=last.id
- if id==glyph then
- if last.subtype<256 and last.font==currentfont then
- local char=last.char
- local ccd=descriptions[char]
- if ccd then
- local class=ccd.class
- if class==skipmark or class==skipligature or class==skipbase or (markclass and class=="mark" and not markclass[char]) then
- skipped=true
- if trace_skips then
- show_skip(kind,chainname,char,ck,class)
- end
- last=last.next
- elseif seq[n][char] then
- if n<l then
- last=last.next
- end
- n=n+1
- else
- match=false break
- end
- else
- match=false break
- end
- else
- match=false break
- end
- elseif id==disc then
- last=last.next
- else
- match=false break
- end
- else
- match=false break
- end
- end
- end
- if match and f>1 then
- local prev=start.prev
- if prev then
- local n=f-1
- while n>=1 do
- if prev then
- local id=prev.id
- if id==glyph then
- if prev.subtype<256 and prev.font==currentfont then
- local char=prev.char
- local ccd=descriptions[char]
- if ccd then
- local class=ccd.class
- if class==skipmark or class==skipligature or class==skipbase or (markclass and class=="mark" and not markclass[char]) then
- skipped=true
- if trace_skips then
- show_skip(kind,chainname,char,ck,class)
- end
- elseif seq[n][char] then
- n=n -1
- else
- match=false break
- end
- else
- match=false break
- end
- else
- match=false break
- end
- elseif id==disc then
- elseif seq[n][32] then
- n=n -1
- else
- match=false break
- end
- prev=prev.prev
- elseif seq[n][32] then
- n=n -1
- else
- match=false break
- end
- end
- elseif f==2 then
- match=seq[1][32]
- else
- for n=f-1,1 do
- if not seq[n][32] then
- match=false break
- end
- end
- end
- end
- if match and s>l then
- local current=last.next
- if current then
- local n=l+1
- while n<=s do
- if current then
- local id=current.id
- if id==glyph then
- if current.subtype<256 and current.font==currentfont then
- local char=current.char
- local ccd=descriptions[char]
- if ccd then
- local class=ccd.class
- if class==skipmark or class==skipligature or class==skipbase or (markclass and class=="mark" and not markclass[char]) then
- skipped=true
- if trace_skips then
- show_skip(kind,chainname,char,ck,class)
- end
- elseif seq[n][char] then
- n=n+1
- else
- match=false break
- end
- else
- match=false break
- end
- else
- match=false break
- end
- elseif id==disc then
- elseif seq[n][32] then
- n=n+1
- else
- match=false break
- end
- current=current.next
- elseif seq[n][32] then
- n=n+1
- else
- match=false break
- end
- end
- elseif s-l==1 then
- match=seq[s][32]
- else
- for n=l+1,s do
- if not seq[n][32] then
- match=false break
- end
- end
- end
- end
- end
- if match then
- if trace_contexts then
- local rule,lookuptype,f,l=ck[1],ck[2],ck[4],ck[5]
- local char=start.char
- if ck[9] then
- logwarning("%s: rule %s matches at char %s for (%s,%s,%s) chars, lookuptype %s (%s=>%s)",cref(kind,chainname),rule,gref(char),f-1,l-f+1,s-l,lookuptype,ck[9],ck[10])
- else
- logwarning("%s: rule %s matches at char %s for (%s,%s,%s) chars, lookuptype %s",cref(kind,chainname),rule,gref(char),f-1,l-f+1,s-l,lookuptype)
- end
- end
- local chainlookups=ck[6]
- if chainlookups then
- local nofchainlookups=#chainlookups
- if nofchainlookups==1 then
- local chainlookupname=chainlookups[1]
- local chainlookup=lookuptable[chainlookupname]
- local cp=chainprocs[chainlookup.type]
- if cp then
- start,done=cp(start,last,kind,chainname,ck,cache,chainlookup,chainlookupname,nil,sequence)
- else
- logprocess("%s: %s is not yet supported",cref(kind,chainname,chainlookupname),chainlookup.type)
- end
- else
- local i=1
- repeat
-if skipped then
- while true do
- local char=start.char
- local ccd=descriptions[char]
- if ccd then
- local class=ccd.class
- if class==skipmark or class==skipligature or class==skipbase or (markclass and class=="mark" and not markclass[char]) then
- start=start.next
- else
- break
- end
- else
- break
- end
- end
-end
- local chainlookupname=chainlookups[i]
- local chainlookup=lookuptable[chainlookupname]
- local cp=chainmores[chainlookup.type]
- if cp then
- local ok,n
- start,ok,n=cp(start,last,kind,chainname,ck,cache,chainlookup,chainlookupname,i,sequence)
- if ok then
- done=true
- i=i+(n or 1)
- else
- i=i+1
- end
- else
- logprocess("%s: multiple subchains for %s are not yet supported",cref(kind,chainname,chainlookupname),chainlookup.type)
- i=i+1
- end
- start=start.next
- until i>nofchainlookups
- end
- else
- local replacements=ck[7]
- if replacements then
- start,done=chainprocs.reversesub(start,last,kind,chainname,ck,cache,replacements)
- else
- done=true
- if trace_contexts then
- logprocess("%s: skipping match",cref(kind,chainname))
- end
- end
- end
- end
- end
- return start,done
-end
-local verbose_handle_contextchain=function(font,...)
- logwarning("no verbose handler installed, reverting to 'normal'")
- otf.setcontextchain()
- return normal_handle_contextchain(...)
-end
-otf.chainhandlers={
- normal=normal_handle_contextchain,
- verbose=verbose_handle_contextchain,
-}
-function otf.setcontextchain(method)
- if not method or method=="normal" or not otf.chainhandlers[method] then
- if handlers.contextchain then
- logwarning("installing normal contextchain handler")
- end
- handlers.contextchain=normal_handle_contextchain
- else
- logwarning("installing contextchain handler '%s'",method)
- local handler=otf.chainhandlers[method]
- handlers.contextchain=function(...)
- return handler(currentfont,...)
- end
- end
- handlers.gsub_context=handlers.contextchain
- handlers.gsub_contextchain=handlers.contextchain
- handlers.gsub_reversecontextchain=handlers.contextchain
- handlers.gpos_contextchain=handlers.contextchain
- handlers.gpos_context=handlers.contextchain
-end
-otf.setcontextchain()
-local missing={}
-local function logprocess(...)
- if trace_steps then
- registermessage(...)
- end
- logs.report("otf process",...)
-end
-local function logwarning(...)
- logs.report("otf process",...)
-end
-local function report_missing_cache(typ,lookup)
- local f=missing[currentfont] if not f then f={} missing[currentfont]=f end
- local t=f[typ] if not t then t={} f[typ]=t end
- if not t[lookup] then
- t[lookup]=true
- logwarning("missing cache for lookup %s of type %s in font %s (%s)",lookup,typ,currentfont,tfmdata.fullname)
- end
-end
-local resolved={}
-function fonts.methods.node.otf.features(head,font,attr)
- if trace_steps then
- checkstep(head)
- end
- tfmdata=fontdata[font]
- local shared=tfmdata.shared
- otfdata=shared.otfdata
- local luatex=otfdata.luatex
- descriptions=tfmdata.descriptions
- characters=tfmdata.characters
- indices=tfmdata.indices
- unicodes=tfmdata.unicodes
- marks=tfmdata.marks
- anchorlookups=luatex.lookup_to_anchor
- currentfont=font
- rlmode=0
- local featuredata=otfdata.shared.featuredata
- local sequences=luatex.sequences
- lookuptable=luatex.lookups
- local done=false
- local script,language,s_enabled,a_enabled,dyn
- local attribute_driven=attr and attr~=0
- if attribute_driven then
- local features=context_setups[context_numbers[attr]]
- dyn=context_merged[attr] or 0
- language,script=features.language or "dflt",features.script or "dflt"
- a_enabled=features
- if dyn==2 or dyn==-2 then
- s_enabled=shared.features
- end
- else
- language,script=tfmdata.language or "dflt",tfmdata.script or "dflt"
- s_enabled=shared.features
- dyn=0
- end
- local res=resolved[font] if not res then res={} resolved[font]=res end
- local rs=res [script] if not rs then rs={} res [script]=rs end
- local rl=rs [language] if not rl then rl={} rs [language]=rl end
- local ra=rl [attr] if ra==nil then ra={} rl [attr]=ra end
- for s=1,#sequences do
- local pardir,txtdir,success=0,{},false
- local sequence=sequences[s]
- local r=ra[s]
- if r==nil then
- local chain=sequence.chain or 0
- local features=sequence.features
- if not features then
- r=false
- else
- local valid,attribute,kind,what=false,false
- for k,v in next,features do
- local s_e=s_enabled and s_enabled[k]
- local a_e=a_enabled and a_enabled[k]
- if s_e or a_e then
- local l=v[script] or v[wildcard]
- if l then
- if l[language] then
- valid,what=s_e or a_e,language
- elseif l[wildcard] then
- valid,what=s_e or a_e,wildcard
- end
- if valid then
- kind,attribute=k,special_attributes[k] or false
- if a_e and dyn<0 then
- valid=false
- end
- if trace_applied then
- local typ,action=match(sequence.type,"(.*)_(.*)")
- logs.report("otf node mode",
- "%s font: %03i, dynamic: %03i, kind: %s, lookup: %3i, script: %-4s, language: %-4s (%-4s), type: %s, action: %s, name: %s",
- (valid and "+") or "-",font,attr or 0,kind,s,script,language,what,typ,action,sequence.name)
- end
- break
- end
- end
- end
- end
- if valid then
- r={ valid,attribute,chain,kind }
- else
- r=false
- end
- end
- ra[s]=r
- end
- featurevalue=r and r[1]
- if featurevalue then
- local attribute,chain,typ,subtables=r[2],r[3],sequence.type,sequence.subtables
- if chain<0 then
- local handler=handlers[typ]
- local thecache=featuredata[typ] or {}
- local start=find_node_tail(head)
- while start do
- local id=start.id
- if id==glyph then
- if start.subtype<256 and start.font==font then
- local a=has_attribute(start,0)
- if a then
- a=a==attr
- else
- a=true
- end
- if a then
- for i=1,#subtables do
- local lookupname=subtables[i]
- local lookupcache=thecache[lookupname]
- if lookupcache then
- local lookupmatch=lookupcache[start.char]
- if lookupmatch then
- start,success=handler(start,r[4],lookupname,lookupmatch,sequence,featuredata,i)
- if success then
- break
- end
- end
- else
- report_missing_cache(typ,lookupname)
- end
- end
- if start then start=start.prev end
- else
- start=start.prev
- end
- else
- start=start.prev
- end
- else
- start=start.prev
- end
- end
- else
- local handler=handlers[typ]
- local ns=#subtables
- local thecache=featuredata[typ] or {}
- local start=head
- rlmode=0
- if ns==1 then
- local lookupname=subtables[1]
- local lookupcache=thecache[lookupname]
- if not lookupcache then
- report_missing_cache(typ,lookupname)
- else
- while start do
- local id=start.id
- if id==glyph then
- if start.subtype<256 and start.font==font then
- local a=has_attribute(start,0)
- if a then
- a=(a==attr) and (not attribute or has_attribute(start,state,attribute))
- else
- a=not attribute or has_attribute(start,state,attribute)
- end
- if a then
- local lookupmatch=lookupcache[start.char]
- if lookupmatch then
- local ok
- start,ok=handler(start,r[4],lookupname,lookupmatch,sequence,featuredata,1)
- if ok then
- success=true
- end
- end
- if start then start=start.next end
- else
- start=start.next
- end
- else
- start=start.next
- end
- elseif id==whatsit then
- 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
- rlmode=pardir
- 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
- end
- end
- end
- else
- while start do
- local id=start.id
- if id==glyph then
- if start.subtype<256 and start.font==font then
- local a=has_attribute(start,0)
- if a then
- a=(a==attr) and (not attribute or has_attribute(start,state,attribute))
- else
- a=not attribute or has_attribute(start,state,attribute)
- end
- if a then
- for i=1,ns do
- local lookupname=subtables[i]
- local lookupcache=thecache[lookupname]
- if lookupcache then
- local lookupmatch=lookupcache[start.char]
- if lookupmatch then
- local ok
- start,ok=handler(start,r[4],lookupname,lookupmatch,sequence,featuredata,i)
- if ok then
- success=true
- break
- end
- end
- else
- report_missing_cache(typ,lookupname)
- end
- end
- if start then start=start.next end
- else
- start=start.next
- end
- else
- start=start.next
- end
- elseif id==whatsit then
- 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
- rlmode=pardir
- 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
- end
- end
- end
- end
- if success then
- done=true
- end
- if trace_steps then
- registerstep(head)
- end
- end
- end
- return head,done
-end
-otf.features.prepare={}
-local function split(replacement,original,cache,unicodes)
- local o,t,n={},{},0
- for s in gmatch(original,"[^ ]+") do
- local us=unicodes[s]
- if type(us)=="number" then
- o[#o+1]=us
- else
- o[#o+1]=us[1]
- end
- end
- for s in gmatch(replacement,"[^ ]+") do
- n=n+1
- local us=unicodes[s]
- if type(us)=="number" then
- t[o[n]]=us
- else
- t[o[n]]=us[1]
- end
- end
- return t
-end
-local function uncover(covers,result,cache,unicodes)
- for n=1,#covers do
- local c=covers[n]
- local cc=cache[c]
- if not cc then
- local t={}
- for s in gmatch(c,"[^ ]+") do
- local us=unicodes[s]
- if type(us)=="number" then
- t[us]=true
- else
- for i=1,#us do
- t[us[i]]=true
- end
- end
- end
- cache[c]=t
- result[#result+1]=t
- else
- result[#result+1]=cc
- end
- end
-end
-local function prepare_lookups(tfmdata)
- local otfdata=tfmdata.shared.otfdata
- local featuredata=otfdata.shared.featuredata
- local anchor_to_lookup=otfdata.luatex.anchor_to_lookup
- local lookup_to_anchor=otfdata.luatex.lookup_to_anchor
- local multiple=featuredata.gsub_multiple
- local alternate=featuredata.gsub_alternate
- local single=featuredata.gsub_single
- local ligature=featuredata.gsub_ligature
- local pair=featuredata.gpos_pair
- local position=featuredata.gpos_single
- local kerns=featuredata.gpos_pair
- local mark=featuredata.gpos_mark2mark
- local cursive=featuredata.gpos_cursive
- local unicodes=tfmdata.unicodes
- local indices=tfmdata.indices
- local descriptions=tfmdata.descriptions
- local action={
- substitution=function(p,lookup,glyph,unicode)
- local old,new=unicode,unicodes[p[2]]
- if type(new)=="table" then
- new=new[1]
- end
- local s=single[lookup]
- if not s then s={} single[lookup]=s end
- s[old]=new
- end,
- multiple=function (p,lookup,glyph,unicode)
- local old,new=unicode,{}
- local m=multiple[lookup]
- if not m then m={} multiple[lookup]=m end
- m[old]=new
- for pc in gmatch(p[2],"[^ ]+") do
- local upc=unicodes[pc]
- if type(upc)=="number" then
- new[#new+1]=upc
- else
- new[#new+1]=upc[1]
- end
- end
- end,
- alternate=function(p,lookup,glyph,unicode)
- local old,new=unicode,{}
- local a=alternate[lookup]
- if not a then a={} alternate[lookup]=a end
- a[old]=new
- for pc in gmatch(p[2],"[^ ]+") do
- local upc=unicodes[pc]
- if type(upc)=="number" then
- new[#new+1]=upc
- else
- new[#new+1]=upc[1]
- end
- end
- end,
- ligature=function (p,lookup,glyph,unicode)
- local first=true
- local t=ligature[lookup]
- if not t then t={} ligature[lookup]=t end
- for s in gmatch(p[2],"[^ ]+") do
- if first then
- local u=unicodes[s]
- if not u then
- logs.report("define otf","lookup %s: ligature %s => %s ignored due to invalid unicode",lookup,p[2],glyph.name)
- break
- elseif type(u)=="number" then
- if not t[u] then
- t[u]={ {} }
- end
- t=t[u]
- else
- local tt=t
- local tu
- for i=1,#u do
- local u=u[i]
- if i==1 then
- if not t[u] then
- t[u]={ {} }
- end
- tu=t[u]
- t=tu
- else
- if not t[u] then
- tt[u]=tu
- end
- end
- end
- end
- first=false
- else
- s=unicodes[s]
- local t1=t[1]
- if not t1[s] then
- t1[s]={ {} }
- end
- t=t1[s]
- end
- end
- t[2]=unicode
- end,
- position=function(p,lookup,glyph,unicode)
- local s=position[lookup]
- if not s then s={} position[lookup]=s end
- s[unicode]=p[2]
- end,
- pair=function(p,lookup,glyph,unicode)
- local s=pair[lookup]
- if not s then s={} pair[lookup]=s end
- local others=s[unicode]
- if not others then others={} s[unicode]=others end
- local two=p[2]
- local upc=unicodes[two]
- if not upc then
- for pc in gmatch(two,"[^ ]+") do
- local upc=unicodes[pc]
- if type(upc)=="number" then
- others[upc]=p
- else
- for i=1,#upc do
- others[upc[i]]=p
- end
- end
- end
- elseif type(upc)=="number" then
- others[upc]=p
- else
- for i=1,#upc do
- others[upc[i]]=p
- end
- end
- end,
- }
- for unicode,glyph in next,descriptions do
- local lookups=glyph.slookups
- if lookups then
- for lookup,p in next,lookups do
- action[p[1]](p,lookup,glyph,unicode)
- end
- end
- local lookups=glyph.mlookups
- if lookups then
- for lookup,whatever in next,lookups do
- for i=1,#whatever do
- local p=whatever[i]
- action[p[1]](p,lookup,glyph,unicode)
- end
- end
- end
- local list=glyph.mykerns
- if list then
- for lookup,krn in next,list do
- local k=kerns[lookup]
- if not k then k={} kerns[lookup]=k end
- k[unicode]=krn
- end
- end
- local oanchor=glyph.anchors
- if oanchor then
- for typ,anchors in next,oanchor do
- if typ=="mark" then
- for name,anchor in next,anchors do
- local lookups=anchor_to_lookup[name]
- if lookups then
- for lookup,_ in next,lookups do
- local f=mark[lookup]
- if not f then f={} mark[lookup]=f end
- f[unicode]=anchors
- end
- end
- end
- elseif typ=="cexit" then
- for name,anchor in next,anchors do
- local lookups=anchor_to_lookup[name]
- if lookups then
- for lookup,_ in next,lookups do
- local f=cursive[lookup]
- if not f then f={} cursive[lookup]=f end
- f[unicode]=anchors
- end
- end
- end
- end
- end
- end
- end
-end
-luatex=luatex or {}
-local function prepare_contextchains(tfmdata)
- local otfdata=tfmdata.shared.otfdata
- local lookups=otfdata.lookups
- if lookups then
- local featuredata=otfdata.shared.featuredata
- local contextchain=featuredata.gsub_contextchain
- local reversecontextchain=featuredata.gsub_reversecontextchain
- local characters=tfmdata.characters
- local unicodes=tfmdata.unicodes
- local indices=tfmdata.indices
- local cache=luatex.covers
- if not cache then
- cache={}
- luatex.covers=cache
- end
- for lookupname,lookupdata in next,otfdata.lookups do
- local lookuptype=lookupdata.type
- if not lookuptype then
- logs.report("otf process","missing lookuptype for %s",lookupname)
- else
- local rules=lookupdata.rules
- if rules then
- local fmt=lookupdata.format
- if fmt=="coverage" then
- if lookuptype~="chainsub" and lookuptype~="chainpos" then
- logs.report("otf process","unsupported coverage %s for %s",lookuptype,lookupname)
- else
- local contexts=contextchain[lookupname]
- if not contexts then
- contexts={}
- contextchain[lookupname]=contexts
- end
- local t={}
- for nofrules=1,#rules do
- local rule=rules[nofrules]
- local coverage=rule.coverage
- if coverage and coverage.current then
- local current,before,after,sequence=coverage.current,coverage.before,coverage.after,{}
- if before then
- uncover(before,sequence,cache,unicodes)
- end
- local start=#sequence+1
- uncover(current,sequence,cache,unicodes)
- local stop=#sequence
- if after then
- uncover(after,sequence,cache,unicodes)
- end
- if sequence[1] then
- t[#t+1]={ nofrules,lookuptype,sequence,start,stop,rule.lookups }
- for unic,_ in next,sequence[start] do
- local cu=contexts[unic]
- if not cu then
- contexts[unic]=t
- end
- end
- end
- end
- end
- end
- elseif fmt=="reversecoverage" then
- if lookuptype~="reversesub" then
- logs.report("otf process","unsupported reverse coverage %s for %s",lookuptype,lookupname)
- else
- local contexts=reversecontextchain[lookupname]
- if not contexts then
- contexts={}
- reversecontextchain[lookupname]=contexts
- end
- local t={}
- for nofrules=1,#rules do
- local rule=rules[nofrules]
- local reversecoverage=rule.reversecoverage
- if reversecoverage and reversecoverage.current then
- local current,before,after,replacements,sequence=reversecoverage.current,reversecoverage.before,reversecoverage.after,reversecoverage.replacements,{}
- if before then
- uncover(before,sequence,cache,unicodes)
- end
- local start=#sequence+1
- uncover(current,sequence,cache,unicodes)
- local stop=#sequence
- if after then
- uncover(after,sequence,cache,unicodes)
- end
- if replacements then
- replacements=split(replacements,current[1],cache,unicodes)
- end
- if sequence[1] then
- t[#t+1]={ nofrules,lookuptype,sequence,start,stop,rule.lookups,replacements }
- for unic,_ in next,sequence[start] do
- local cu=contexts[unic]
- if not cu then
- contexts[unic]=t
- end
- end
- end
- end
- end
- end
- elseif fmt=="glyphs" then
- if lookuptype~="chainsub" and lookuptype~="chainpos" then
- logs.report("otf process","unsupported coverage %s for %s",lookuptype,lookupname)
- else
- local contexts=contextchain[lookupname]
- if not contexts then
- contexts={}
- contextchain[lookupname]=contexts
- end
- local t={}
- for nofrules=1,#rules do
- local rule=rules[nofrules]
- local glyphs=rule.glyphs
- if glyphs and glyphs.names then
- local fore,back,names,sequence=glyphs.fore,glyphs.back,glyphs.names,{}
- if fore and fore~="" then
- fore=lpegmatch(split_at_space,fore)
- uncover(fore,sequence,cache,unicodes)
- end
- local start=#sequence+1
- names=lpegmatch(split_at_space,names)
- uncover(names,sequence,cache,unicodes)
- local stop=#sequence
- if back and back~="" then
- back=lpegmatch(split_at_space,back)
- uncover(back,sequence,cache,unicodes)
- end
- if sequence[1] then
- t[#t+1]={ nofrules,lookuptype,sequence,start,stop,rule.lookups }
- for unic,_ in next,sequence[start] do
- local cu=contexts[unic]
- if not cu then
- contexts[unic]=t
- end
- end
- end
- end
- end
- end
- end
- end
- end
- end
- end
-end
-function fonts.initializers.node.otf.features(tfmdata,value)
- if true then
- if not tfmdata.shared.otfdata.shared.initialized then
- local t=trace_preparing and os.clock()
- local otfdata=tfmdata.shared.otfdata
- local featuredata=otfdata.shared.featuredata
- featuredata.gsub_multiple={}
- featuredata.gsub_alternate={}
- featuredata.gsub_single={}
- featuredata.gsub_ligature={}
- featuredata.gsub_contextchain={}
- featuredata.gsub_reversecontextchain={}
- featuredata.gpos_pair={}
- featuredata.gpos_single={}
- featuredata.gpos_mark2base={}
- featuredata.gpos_mark2ligature=featuredata.gpos_mark2base
- featuredata.gpos_mark2mark=featuredata.gpos_mark2base
- featuredata.gpos_cursive={}
- featuredata.gpos_contextchain=featuredata.gsub_contextchain
- featuredata.gpos_reversecontextchain=featuredata.gsub_reversecontextchain
- prepare_contextchains(tfmdata)
- prepare_lookups(tfmdata)
- otfdata.shared.initialized=true
- if trace_preparing then
- logs.report("otf process","preparation time is %0.3f seconds for %s",os.clock()-t,tfmdata.fullname or "?")
- end
- end
- end
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['font-ota']={
- version=1.001,
- comment="companion to font-otf.lua (analysing)",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local type,tostring,match,format,concat=type,tostring,string.match,string.format,table.concat
-if not trackers then trackers={ register=function() end } end
-local trace_analyzing=false trackers.register("otf.analyzing",function(v) trace_analyzing=v end)
-local trace_cjk=false trackers.register("cjk.injections",function(v) trace_cjk=v end)
-trackers.register("cjk.analyzing","otf.analyzing")
-fonts=fonts or {}
-fonts.analyzers=fonts.analyzers or {}
-fonts.analyzers.initializers=fonts.analyzers.initializers or { node={ otf={} } }
-fonts.analyzers.methods=fonts.analyzers.methods or { node={ otf={} } }
-local otf=fonts.otf
-local tfm=fonts.tfm
-local initializers=fonts.analyzers.initializers
-local methods=fonts.analyzers.methods
-local glyph=node.id('glyph')
-local glue=node.id('glue')
-local penalty=node.id('penalty')
-local set_attribute=node.set_attribute
-local has_attribute=node.has_attribute
-local traverse_id=node.traverse_id
-local traverse_node_list=node.traverse
-local fontdata=fonts.ids
-local state=attributes.private('state')
-local fcs=(fonts.color and fonts.color.set) or function() end
-local fcr=(fonts.color and fonts.color.reset) or function() end
-local a_to_script=otf.a_to_script
-local a_to_language=otf.a_to_language
-function fonts.initializers.node.otf.analyze(tfmdata,value,attr)
- local script,language
- if attr and attr>0 then
- script,language=a_to_script[attr],a_to_language[attr]
- else
- script,language=tfmdata.script,tfmdata.language
- end
- local action=initializers[script]
- if action then
- if type(action)=="function" then
- return action(tfmdata,value)
- else
- local action=action[language]
- if action then
- return action(tfmdata,value)
- end
- end
- end
- return nil
-end
-function fonts.methods.node.otf.analyze(head,font,attr)
- local tfmdata=fontdata[font]
- local script,language
- if attr and attr>0 then
- script,language=a_to_script[attr],a_to_language[attr]
- else
- script,language=tfmdata.script,tfmdata.language
- end
- local action=methods[script]
- if action then
- if type(action)=="function" then
- return action(head,font,attr)
- else
- action=action[language]
- if action then
- return action(head,font,attr)
- end
- end
- end
- return head,false
-end
-otf.features.register("analyze",true)
-table.insert(fonts.triggers,"analyze")
-fonts.analyzers.methods.latn=fonts.analyzers.aux.setstate
-local zwnj=0x200C
-local zwj=0x200D
-local isol={
- [0x0600]=true,[0x0601]=true,[0x0602]=true,[0x0603]=true,
- [0x0608]=true,[0x060B]=true,[0x0621]=true,[0x0674]=true,
- [0x06DD]=true,[zwnj]=true,
-}
-local isol_fina={
- [0x0622]=true,[0x0623]=true,[0x0624]=true,[0x0625]=true,
- [0x0627]=true,[0x0629]=true,[0x062F]=true,[0x0630]=true,
- [0x0631]=true,[0x0632]=true,[0x0648]=true,[0x0671]=true,
- [0x0672]=true,[0x0673]=true,[0x0675]=true,[0x0676]=true,
- [0x0677]=true,[0x0688]=true,[0x0689]=true,[0x068A]=true,
- [0x068B]=true,[0x068C]=true,[0x068D]=true,[0x068E]=true,
- [0x068F]=true,[0x0690]=true,[0x0691]=true,[0x0692]=true,
- [0x0693]=true,[0x0694]=true,[0x0695]=true,[0x0696]=true,
- [0x0697]=true,[0x0698]=true,[0x0699]=true,[0x06C0]=true,
- [0x06C3]=true,[0x06C4]=true,[0x06C5]=true,[0x06C6]=true,
- [0x06C7]=true,[0x06C8]=true,[0x06C9]=true,[0x06CA]=true,
- [0x06CB]=true,[0x06CD]=true,[0x06CF]=true,[0x06D2]=true,
- [0x06D3]=true,[0x06D5]=true,[0x06EE]=true,[0x06EF]=true,
- [0x0759]=true,[0x075A]=true,[0x075B]=true,[0x076B]=true,
- [0x076C]=true,[0x0771]=true,[0x0773]=true,[0x0774]=true,
- [0x0778]=true,[0x0779]=true,[0xFEF5]=true,[0xFEF7]=true,
- [0xFEF9]=true,[0xFEFB]=true,
-}
-local isol_fina_medi_init={
- [0x0626]=true,[0x0628]=true,[0x062A]=true,[0x062B]=true,
- [0x062C]=true,[0x062D]=true,[0x062E]=true,[0x0633]=true,
- [0x0634]=true,[0x0635]=true,[0x0636]=true,[0x0637]=true,
- [0x0638]=true,[0x0639]=true,[0x063A]=true,[0x063B]=true,
- [0x063C]=true,[0x063D]=true,[0x063E]=true,[0x063F]=true,
- [0x0640]=true,[0x0641]=true,[0x0642]=true,[0x0643]=true,
- [0x0644]=true,[0x0645]=true,[0x0646]=true,[0x0647]=true,
- [0x0649]=true,[0x064A]=true,[0x066E]=true,[0x066F]=true,
- [0x0678]=true,[0x0679]=true,[0x067A]=true,[0x067B]=true,
- [0x067C]=true,[0x067D]=true,[0x067E]=true,[0x067F]=true,
- [0x0680]=true,[0x0681]=true,[0x0682]=true,[0x0683]=true,
- [0x0684]=true,[0x0685]=true,[0x0686]=true,[0x0687]=true,
- [0x069A]=true,[0x069B]=true,[0x069C]=true,[0x069D]=true,
- [0x069E]=true,[0x069F]=true,[0x06A0]=true,[0x06A1]=true,
- [0x06A2]=true,[0x06A3]=true,[0x06A4]=true,[0x06A5]=true,
- [0x06A6]=true,[0x06A7]=true,[0x06A8]=true,[0x06A9]=true,
- [0x06AA]=true,[0x06AB]=true,[0x06AC]=true,[0x06AD]=true,
- [0x06AE]=true,[0x06AF]=true,[0x06B0]=true,[0x06B1]=true,
- [0x06B2]=true,[0x06B3]=true,[0x06B4]=true,[0x06B5]=true,
- [0x06B6]=true,[0x06B7]=true,[0x06B8]=true,[0x06B9]=true,
- [0x06BA]=true,[0x06BB]=true,[0x06BC]=true,[0x06BD]=true,
- [0x06BE]=true,[0x06BF]=true,[0x06C1]=true,[0x06C2]=true,
- [0x06CC]=true,[0x06CE]=true,[0x06D0]=true,[0x06D1]=true,
- [0x06FA]=true,[0x06FB]=true,[0x06FC]=true,[0x06FF]=true,
- [0x0750]=true,[0x0751]=true,[0x0752]=true,[0x0753]=true,
- [0x0754]=true,[0x0755]=true,[0x0756]=true,[0x0757]=true,
- [0x0758]=true,[0x075C]=true,[0x075D]=true,[0x075E]=true,
- [0x075F]=true,[0x0760]=true,[0x0761]=true,[0x0762]=true,
- [0x0763]=true,[0x0764]=true,[0x0765]=true,[0x0766]=true,
- [0x0767]=true,[0x0768]=true,[0x0769]=true,[0x076A]=true,
- [0x076D]=true,[0x076E]=true,[0x076F]=true,[0x0770]=true,
- [0x0772]=true,[0x0775]=true,[0x0776]=true,[0x0777]=true,
- [0x077A]=true,[0x077B]=true,[0x077C]=true,[0x077D]=true,
- [0x077E]=true,[0x077F]=true,[zwj]=true,
-}
-local arab_warned={}
-local function warning(current,what)
- local char=current.char
- if not arab_warned[char] then
- log.report("analyze","arab: character %s (U+%04X) has no %s class",char,char,what)
- arab_warned[char]=true
- end
-end
-function fonts.analyzers.methods.nocolor(head,font,attr)
- for n in traverse_node_list(head,glyph) do
- if not font or n.font==font then
- fcr(n)
- end
- end
- return head,true
-end
-local function finish(first,last)
- if last then
- if first==last then
- local fc=first.char
- if isol_fina_medi_init[fc] or isol_fina[fc] then
- set_attribute(first,state,4)
- if trace_analyzing then fcs(first,"font:isol") end
- else
- warning(first,"isol")
- set_attribute(first,state,0)
- if trace_analyzing then fcr(first) end
- end
- else
- local lc=last.char
- if isol_fina_medi_init[lc] or isol_fina[lc] then
- set_attribute(last,state,3)
- if trace_analyzing then fcs(last,"font:fina") end
- else
- warning(last,"fina")
- set_attribute(last,state,0)
- if trace_analyzing then fcr(last) end
- end
- end
- first,last=nil,nil
- elseif first then
- local fc=first.char
- if isol_fina_medi_init[fc] or isol_fina[fc] then
- set_attribute(first,state,4)
- if trace_analyzing then fcs(first,"font:isol") end
- else
- warning(first,"isol")
- set_attribute(first,state,0)
- if trace_analyzing then fcr(first) end
- end
- first=nil
- end
- return first,last
-end
-function fonts.analyzers.methods.arab(head,font,attr)
- local tfmdata=fontdata[font]
- local marks=tfmdata.marks
- local first,last,current,done=nil,nil,head,false
- while current do
- if current.id==glyph and current.subtype<256 and current.font==font and not has_attribute(current,state) then
- done=true
- local char=current.char
- if marks[char] then
- set_attribute(current,state,5)
- if trace_analyzing then fcs(current,"font:mark") end
- elseif isol[char] then
- first,last=finish(first,last)
- set_attribute(current,state,4)
- if trace_analyzing then fcs(current,"font:isol") end
- first,last=nil,nil
- elseif not first then
- if isol_fina_medi_init[char] then
- set_attribute(current,state,1)
- if trace_analyzing then fcs(current,"font:init") end
- first,last=first or current,current
- elseif isol_fina[char] then
- set_attribute(current,state,4)
- if trace_analyzing then fcs(current,"font:isol") end
- first,last=nil,nil
- else
- first,last=finish(first,last)
- end
- elseif isol_fina_medi_init[char] then
- first,last=first or current,current
- set_attribute(current,state,2)
- if trace_analyzing then fcs(current,"font:medi") end
- elseif isol_fina[char] then
- if not has_attribute(last,state,1) then
- set_attribute(last,state,2)
- if trace_analyzing then fcs(last,"font:medi") end
- end
- set_attribute(current,state,3)
- if trace_analyzing then fcs(current,"font:fina") end
- first,last=nil,nil
- elseif char>=0x0600 and char<=0x06FF then
- if trace_analyzing then fcs(current,"font:rest") end
- first,last=finish(first,last)
- else
- first,last=finish(first,last)
- end
- else
- first,last=finish(first,last)
- end
- current=current.next
- end
- first,last=finish(first,last)
- return head,done
-end
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['font-otc']={
- version=1.001,
- comment="companion to font-otf.lua (context)",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local format,insert=string.format,table.insert
-local type,next=type,next
-local trace_loading=false trackers.register("otf.loading",function(v) trace_loading=v end)
-local otf=fonts.otf
-local tfm=fonts.tfm
-local extra_lists={
- tlig={
- {
- endash="hyphen hyphen",
- emdash="hyphen hyphen hyphen",
- quotedblleft="quoteleft quoteleft",
- quotedblright="quoteright quoteright",
- quotedblleft="grave grave",
- quotedblright="quotesingle quotesingle",
- quotedblbase="comma comma",
- exclamdown="exclam grave",
- questiondown="question grave",
- guillemotleft="less less",
- guillemotright="greater greater",
- },
- },
- trep={
- {
- [0x0022]=0x201D,
- [0x0027]=0x2019,
- [0x0060]=0x2018,
- },
- },
- anum={
- {
- [0x0030]=0x0660,
- [0x0031]=0x0661,
- [0x0032]=0x0662,
- [0x0033]=0x0663,
- [0x0034]=0x0664,
- [0x0035]=0x0665,
- [0x0036]=0x0666,
- [0x0037]=0x0667,
- [0x0038]=0x0668,
- [0x0039]=0x0669,
- },
- {
- [0x0030]=0x06F0,
- [0x0031]=0x06F1,
- [0x0032]=0x06F2,
- [0x0033]=0x06F3,
- [0x0034]=0x06F4,
- [0x0035]=0x06F5,
- [0x0036]=0x06F6,
- [0x0037]=0x06F7,
- [0x0038]=0x06F8,
- [0x0039]=0x06F9,
- },
- },
-}
-local extra_features={
- tlig={
- {
- features={ { scripts={ { script="*",langs={ "*" },} },tag="tlig",comment="added bij mkiv" },},
- name="ctx_tlig_1",
- subtables={ { name="ctx_tlig_1_s" } },
- type="gsub_ligature",
- flags={},
- },
- },
- trep={
- {
- features={ { scripts={ { script="*",langs={ "*" },} },tag="trep",comment="added bij mkiv" },},
- name="ctx_trep_1",
- subtables={ { name="ctx_trep_1_s" } },
- type="gsub_single",
- flags={},
- },
- },
- anum={
- {
- features={ { scripts={ { script="arab",langs={ "dflt","ARA" },} },tag="anum",comment="added bij mkiv" },},
- name="ctx_anum_1",
- subtables={ { name="ctx_anum_1_s" } },
- type="gsub_single",
- flags={},
- },
- {
- features={ { scripts={ { script="arab",langs={ "FAR" },} },tag="anum",comment="added bij mkiv" },},
- name="ctx_anum_2",
- subtables={ { name="ctx_anum_2_s" } },
- type="gsub_single",
- flags={},
- },
- },
-}
-fonts.otf.enhancers["add some missing characters"]=function(data,filename)
-end
-fonts.otf.enhancers["enrich with features"]=function(data,filename)
- local used={}
- for i=1,#otf.glists do
- local g=data[otf.glists[i]]
- if g then
- for i=1,#g do
- local f=g[i].features
- if f then
- for i=1,#f do
- local t=f[i].tag
- if t then used[t]=true end
- end
- end
- end
- end
- end
- local glyphs=data.glyphs
- local indices=data.map.map
- data.gsub=data.gsub or {}
- for kind,specifications in next,extra_features do
- if not used[kind] then
- local done=0
- for s=1,#specifications do
- local added=false
- local specification=specifications[s]
- local list=extra_lists[kind][s]
- local name=specification.name.."_s"
- if specification.type=="gsub_ligature" then
- for unicode,index in next,indices do
- local glyph=glyphs[index]
- local ligature=list[glyph.name]
- if ligature then
- local o=glyph.lookups or {}
- o[name]={
- {
- ["type"]="ligature",
- ["specification"]={
- char=glyph.name,
- components=ligature,
- }
- }
- }
- glyph.lookups,done,added=o,done+1,true
- end
- end
- elseif specification.type=="gsub_single" then
- for unicode,index in next,indices do
- local glyph=glyphs[index]
- local r=list[unicode]
- if r then
- local replacement=indices[r]
- if replacement and glyphs[replacement] then
- local o=glyph.lookups or {}
- o[name]={
- {
- ["type"]="substitution",
- ["specification"]={
- variant=glyphs[replacement].name,
- }
- }
- }
- glyph.lookups,done,added=o,done+1,true
- end
- end
- end
- end
- if added then
- insert(data.gsub,s,table.fastcopy(specification))
- end
- end
- if done>0 then
- if trace_loading then
- logs.report("load otf","enhance: registering %s feature (%s glyphs affected)",kind,done)
- end
- end
- end
- end
-end
-otf.tables.features['tlig']='TeX Ligatures'
-otf.tables.features['trep']='TeX Replacements'
-otf.tables.features['anum']='Arabic Digits'
-otf.features.register_base_substitution('tlig')
-otf.features.register_base_substitution('trep')
-otf.features.register_base_substitution('anum')
-fonts.initializers.base.otf.equaldigits=fonts.initializers.common.equaldigits
-fonts.initializers.node.otf.equaldigits=fonts.initializers.common.equaldigits
-fonts.initializers.base.otf.lineheight=fonts.initializers.common.lineheight
-fonts.initializers.node.otf.lineheight=fonts.initializers.common.lineheight
-fonts.initializers.base.otf.compose=fonts.initializers.common.compose
-fonts.initializers.node.otf.compose=fonts.initializers.common.compose
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['font-def']={
- version=1.001,
- comment="companion to font-ini.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local format,concat,gmatch,match,find,lower=string.format,table.concat,string.gmatch,string.match,string.find,string.lower
-local tostring,next=tostring,next
-local lpegmatch=lpeg.match
-local trace_defining=false trackers .register("fonts.defining",function(v) trace_defining=v end)
-local directive_embedall=false directives.register("fonts.embedall",function(v) directive_embedall=v end)
-trackers.register("fonts.loading","fonts.defining","otf.loading","afm.loading","tfm.loading")
-trackers.register("fonts.all","fonts.*","otf.*","afm.*","tfm.*")
-fonts=fonts or {}
-fonts.define=fonts.define or {}
-fonts.tfm=fonts.tfm or {}
-fonts.ids=fonts.ids or {}
-fonts.vf=fonts.vf or {}
-fonts.used=fonts.used or {}
-local tfm=fonts.tfm
-local vf=fonts.vf
-local define=fonts.define
-tfm.version=1.01
-tfm.cache=containers.define("fonts","tfm",tfm.version,false)
-define.method="afm or tfm"
-define.specify=fonts.define.specify or {}
-define.methods=fonts.define.methods or {}
-tfm.fonts=tfm.fonts or {}
-tfm.readers=tfm.readers or {}
-tfm.internalized=tfm.internalized or {}
-tfm.readers.sequence={ 'otf','ttf','afm','tfm' }
-tfm.auto_afm=true
-local readers=tfm.readers
-local sequence=readers.sequence
-fonts.version=1.05
-fonts.cache=containers.define("fonts","def",fonts.version,false)
-local splitter,specifiers=nil,""
-local P,C,S,Cc=lpeg.P,lpeg.C,lpeg.S,lpeg.Cc
-local left=P("(")
-local right=P(")")
-local colon=P(":")
-local space=P(" ")
-define.defaultlookup="file"
-local prefixpattern=P(false)
-function define.add_specifier(symbol)
- specifiers=specifiers..symbol
- local method=S(specifiers)
- local lookup=C(prefixpattern)*colon
- local sub=left*C(P(1-left-right-method)^1)*right
- local specification=C(method)*C(P(1)^1)
- local name=C((1-sub-specification)^1)
- splitter=P((lookup+Cc(""))*name*(sub+Cc(""))*(specification+Cc("")))
-end
-function define.add_lookup(str,default)
- prefixpattern=prefixpattern+P(str)
-end
-define.add_lookup("file")
-define.add_lookup("name")
-define.add_lookup("spec")
-function define.get_specification(str)
- return lpegmatch(splitter,str)
-end
-function define.register_split(symbol,action)
- define.add_specifier(symbol)
- define.specify[symbol]=action
-end
-function define.makespecification(specification,lookup,name,sub,method,detail,size)
- size=size or 655360
- if trace_defining then
- logs.report("define font","%s -> lookup: %s, name: %s, sub: %s, method: %s, detail: %s",
- specification,(lookup~="" and lookup) or "[file]",(name~="" and name) or "-",
- (sub~="" and sub) or "-",(method~="" and method) or "-",(detail~="" and detail) or "-")
- end
- if not lookup or lookup=="" then
- lookup=define.defaultlookup
- end
- local t={
- lookup=lookup,
- specification=specification,
- size=size,
- name=name,
- sub=sub,
- method=method,
- detail=detail,
- resolved="",
- forced="",
- features={},
- }
- return t
-end
-function define.analyze(specification,size)
- local lookup,name,sub,method,detail=define.get_specification(specification or "")
- return define.makespecification(specification,lookup,name,sub,method,detail,size)
-end
-local sortedhashkeys=table.sortedhashkeys
-function tfm.hash_features(specification)
- local features=specification.features
- if features then
- local t={}
- local normal=features.normal
- if normal and next(normal) then
- local f=sortedhashkeys(normal)
- for i=1,#f do
- local v=f[i]
- if v~="number" and v~="features" then
- t[#t+1]=v..'='..tostring(normal[v])
- end
- end
- end
- local vtf=features.vtf
- if vtf and next(vtf) then
- local f=sortedhashkeys(vtf)
- for i=1,#f do
- local v=f[i]
- t[#t+1]=v..'='..tostring(vtf[v])
- end
- end
- if #t>0 then
- return concat(t,"+")
- end
- end
- return "unknown"
-end
-fonts.designsizes={}
-function tfm.hash_instance(specification,force)
- local hash,size,fallbacks=specification.hash,specification.size,specification.fallbacks
- if force or not hash then
- hash=tfm.hash_features(specification)
- specification.hash=hash
- end
- if size<1000 and fonts.designsizes[hash] then
- size=math.round(tfm.scaled(size,fonts.designsizes[hash]))
- specification.size=size
- end
- if fallbacks then
- return hash..' @ '..tostring(size)..' @ '..fallbacks
- else
- return hash..' @ '..tostring(size)
- end
-end
-define.resolvers=resolvers
-function define.resolvers.file(specification)
- local suffix=file.suffix(specification.name)
- if fonts.formats[suffix] then
- specification.forced=suffix
- specification.name=file.removesuffix(specification.name)
- end
-end
-function define.resolvers.name(specification)
- local resolve=fonts.names.resolve
- if resolve then
- local resolved,sub=fonts.names.resolve(specification)
- specification.resolved,specification.sub=resolved,sub
- if resolved then
- local suffix=file.suffix(resolved)
- if fonts.formats[suffix] then
- specification.forced=suffix
- specification.name=file.removesuffix(resolved)
- else
- specification.name=resolved
- end
- end
- else
- define.resolvers.file(specification)
- end
-end
-function define.resolvers.spec(specification)
- local resolvespec=fonts.names.resolvespec
- if resolvespec then
- specification.resolved,specification.sub=fonts.names.resolvespec(specification)
- if specification.resolved then
- specification.forced=file.extname(specification.resolved)
- specification.name=file.removesuffix(specification.resolved)
- end
- else
- define.resolvers.name(specification)
- end
-end
-function define.resolve(specification)
- if not specification.resolved or specification.resolved=="" then
- local r=define.resolvers[specification.lookup]
- if r then
- r(specification)
- end
- end
- if specification.forced=="" then
- specification.forced=nil
- else
- specification.forced=specification.forced
- end
- specification.hash=lower(specification.name..' @ '..tfm.hash_features(specification))
- if specification.sub and specification.sub~="" then
- specification.hash=specification.sub..' @ '..specification.hash
- end
- return specification
-end
-function tfm.read(specification)
- local hash=tfm.hash_instance(specification)
- local tfmtable=tfm.fonts[hash]
- if not tfmtable then
- local forced=specification.forced or ""
- if forced~="" then
- tfmtable=readers[lower(forced)](specification)
- if not tfmtable then
- logs.report("define font","forced type %s of %s not found",forced,specification.name)
- end
- else
- for s=1,#sequence do
- local reader=sequence[s]
- if readers[reader] then
- if trace_defining then
- logs.report("define font","trying (reader sequence driven) type %s for %s with file %s",reader,specification.name,specification.filename or "unknown")
- end
- tfmtable=readers[reader](specification)
- if tfmtable then
- break
- else
- specification.filename=nil
- end
- end
- end
- end
- if tfmtable then
- if directive_embedall then
- tfmtable.embedding="full"
- elseif tfmtable.filename and fonts.dontembed[tfmtable.filename] then
- tfmtable.embedding="no"
- else
- tfmtable.embedding="subset"
- end
- tfm.fonts[hash]=tfmtable
- fonts.designsizes[specification.hash]=tfmtable.designsize
- end
- end
- if not tfmtable then
- logs.report("define font","font with name %s is not found",specification.name)
- end
- return tfmtable
-end
-function tfm.read_and_define(name,size)
- local specification=define.analyze(name,size)
- local method=specification.method
- if method and define.specify[method] then
- specification=define.specify[method](specification)
- end
- specification=define.resolve(specification)
- local hash=tfm.hash_instance(specification)
- local id=define.registered(hash)
- if not id then
- local fontdata=tfm.read(specification)
- if fontdata then
- fontdata.hash=hash
- id=font.define(fontdata)
- define.register(fontdata,id)
- tfm.cleanup_table(fontdata)
- else
- id=0
- end
- end
- return fonts.ids[id],id
-end
-local function check_tfm(specification,fullname)
- local foundname=resolvers.findbinfile(fullname,'tfm') or ""
- if foundname=="" then
- foundname=resolvers.findbinfile(fullname,'ofm') or ""
- end
- if foundname~="" then
- specification.filename,specification.format=foundname,"ofm"
- return tfm.read_from_tfm(specification)
- end
-end
-local function check_afm(specification,fullname)
- local foundname=resolvers.findbinfile(fullname,'afm') or ""
- if foundname=="" and tfm.auto_afm then
- local encoding,shortname=match(fullname,"^(.-)%-(.*)$")
- if encoding and shortname and fonts.enc.known[encoding] then
- shortname=resolvers.findbinfile(shortname,'afm') or ""
- if shortname~="" then
- foundname=shortname
- if trace_loading then
- logs.report("load afm","stripping encoding prefix from filename %s",afmname)
- end
- end
- end
- end
- if foundname~="" then
- specification.filename,specification.format=foundname,"afm"
- return tfm.read_from_afm(specification)
- end
-end
-function readers.tfm(specification)
- local fullname,tfmtable=specification.filename or "",nil
- if fullname=="" then
- local forced=specification.forced or ""
- if forced~="" then
- tfmtable=check_tfm(specification,specification.name.."."..forced)
- end
- if not tfmtable then
- tfmtable=check_tfm(specification,specification.name)
- end
- else
- tfmtable=check_tfm(specification,fullname)
- end
- return tfmtable
-end
-function readers.afm(specification,method)
- local fullname,tfmtable=specification.filename or "",nil
- if fullname=="" then
- local forced=specification.forced or ""
- if forced~="" then
- tfmtable=check_afm(specification,specification.name.."."..forced)
- end
- if not tfmtable then
- method=method or define.method or "afm or tfm"
- if method=="tfm" then
- tfmtable=check_tfm(specification,specification.name)
- elseif method=="afm" then
- tfmtable=check_afm(specification,specification.name)
- elseif method=="tfm or afm" then
- tfmtable=check_tfm(specification,specification.name) or check_afm(specification,specification.name)
- else
- tfmtable=check_afm(specification,specification.name) or check_tfm(specification,specification.name)
- end
- end
- else
- tfmtable=check_afm(specification,fullname)
- end
- return tfmtable
-end
-local function check_otf(forced,specification,suffix,what)
- local name=specification.name
- if forced then
- name=file.addsuffix(name,suffix,true)
- end
- local fullname,tfmtable=resolvers.findbinfile(name,suffix) or "",nil
- if fullname=="" then
- local fb=fonts.names.old_to_new[name]
- if fb then
- fullname=resolvers.findbinfile(fb,suffix) or ""
- end
- end
- if fullname=="" then
- local fb=fonts.names.new_to_old[name]
- if fb then
- fullname=resolvers.findbinfile(fb,suffix) or ""
- end
- end
- if fullname~="" then
- specification.filename,specification.format=fullname,what
- tfmtable=tfm.read_from_open_type(specification)
- end
- return tfmtable
-end
-function readers.opentype(specification,suffix,what)
- local forced=specification.forced or ""
- if forced=="otf" then
- return check_otf(true,specification,forced,"opentype")
- elseif forced=="ttf" or forced=="ttc" or forced=="dfont" then
- return check_otf(true,specification,forced,"truetype")
- else
- return check_otf(false,specification,suffix,what)
- end
-end
-function readers.otf (specification) return readers.opentype(specification,"otf","opentype") end
-function readers.ttf (specification) return readers.opentype(specification,"ttf","truetype") end
-function readers.ttc (specification) return readers.opentype(specification,"ttf","truetype") end
-function readers.dfont(specification) return readers.opentype(specification,"ttf","truetype") end
-function define.check(features,defaults)
- local done=false
- if features and next(features) then
- for k,v in next,defaults do
- if features[k]==nil then
- features[k],done=v,true
- end
- end
- else
- features,done=table.fastcopy(defaults),true
- end
- return features,done
-end
-define.last=nil
-function define.register(fontdata,id)
- if fontdata and id then
- local hash=fontdata.hash
- if not tfm.internalized[hash] then
- if trace_defining then
- logs.report("define font","loading at 2 id %s, hash: %s",id or "?",hash or "?")
- end
- fonts.identifiers[id]=fontdata
- fonts.characters [id]=fontdata.characters
- fonts.quads [id]=fontdata.parameters.quad
- tfm.internalized[hash]=id
- end
- end
-end
-function define.registered(hash)
- local id=tfm.internalized[hash]
- return id,id and fonts.ids[id]
-end
-local cache_them=false
-function tfm.make(specification)
- local fvm=define.methods[specification.features.vtf.preset]
- if fvm then
- return fvm(specification)
- else
- return nil
- end
-end
-function define.read(specification,size,id)
- statistics.starttiming(fonts)
- if type(specification)=="string" then
- specification=define.analyze(specification,size)
- end
- local method=specification.method
- if method and define.specify[method] then
- specification=define.specify[method](specification)
- end
- specification=define.resolve(specification)
- local hash=tfm.hash_instance(specification)
- if cache_them then
- local fontdata=containers.read(fonts.cache,hash)
- end
- local fontdata=define.registered(hash)
- if not fontdata then
- if specification.features.vtf and specification.features.vtf.preset then
- fontdata=tfm.make(specification)
- else
- fontdata=tfm.read(specification)
- if fontdata then
- tfm.check_virtual_id(fontdata)
- end
- end
- if cache_them then
- fontdata=containers.write(fonts.cache,hash,fontdata)
- end
- if fontdata then
- fontdata.hash=hash
- fontdata.cache="no"
- if id then
- define.register(fontdata,id)
- end
- end
- end
- define.last=fontdata or id
- if not fontdata then
- logs.report("define font","unknown font %s, loading aborted",specification.name)
- elseif trace_defining and type(fontdata)=="table" then
- logs.report("define font","using %s font with id %s, name:%s size:%s bytes:%s encoding:%s fullname:%s filename:%s",
- fontdata.type or "unknown",
- id or "?",
- fontdata.name or "?",
- fontdata.size or "default",
- fontdata.encodingbytes or "?",
- fontdata.encodingname or "unicode",
- fontdata.fullname or "?",
- file.basename(fontdata.filename or "?"))
- end
- statistics.stoptiming(fonts)
- return fontdata
-end
-function vf.find(name)
- name=file.removesuffix(file.basename(name))
- if tfm.resolve_vf then
- local format=fonts.logger.format(name)
- if format=='tfm' or format=='ofm' then
- if trace_defining then
- logs.report("define font","locating vf for %s",name)
- end
- return resolvers.findbinfile(name,"ovf")
- else
- if trace_defining then
- logs.report("define font","vf for %s is already taken care of",name)
- end
- return nil
- end
- else
- if trace_defining then
- logs.report("define font","locating vf for %s",name)
- end
- return resolvers.findbinfile(name,"ovf")
- end
-end
-callbacks.register('define_font',define.read,"definition of fonts (tfmtable preparation)")
-callbacks.register('find_vf_file',vf.find,"locating virtual fonts, insofar needed")
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['font-xtx']={
- version=1.001,
- comment="companion to font-ini.mkiv",
- author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
- copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files"
-}
-local texsprint,count=tex.sprint,tex.count
-local format,concat,gmatch,match,find,lower=string.format,table.concat,string.gmatch,string.match,string.find,string.lower
-local tostring,next=tostring,next
-local lpegmatch=lpeg.match
-local trace_defining=false trackers.register("fonts.defining",function(v) trace_defining=v end)
-local list={}
-fonts.define.specify.colonized_default_lookup="file"
-local function isstyle(s)
- local style=string.lower(s):split("/")
- for _,v in ipairs(style) do
- if v=="b" then
- list.style="bold"
- elseif v=="i" then
- list.style="italic"
- elseif v=="bi" or v=="ib" then
- list.style="bolditalic"
- elseif v:find("^s=") then
- list.optsize=v:split("=")[2]
- elseif v=="aat" or v=="icu" or v=="gr" then
- logs.report("load font","unsupported font option: %s",v)
- elseif not v:is_empty() then
- list.style=v:gsub("[^%a%d]","")
- end
- end
-end
-fonts=fonts or {}
-fonts.otf=fonts.otf or {}
-local otf=fonts.otf
-otf.tables=otf.tables or {}
-otf.tables.defaults={
- dflt={
- "ccmp","locl","rlig","liga","clig",
- "kern","mark","mkmk","itlc",
- },
- arab={
- "ccmp","locl","isol","fina","fin2",
- "fin3","medi","med2","init","rlig",
- "calt","liga","cswh","mset","curs",
- "kern","mark","mkmk",
- },
- deva={
- "ccmp","locl","init","nukt","akhn",
- "rphf","blwf","half","pstf","vatu",
- "pres","blws","abvs","psts","haln",
- "calt","blwm","abvm","dist","kern",
- "mark","mkmk",
- },
- khmr={
- "ccmp","locl","pref","blwf","abvf",
- "pstf","pres","blws","abvs","psts",
- "clig","calt","blwm","abvm","dist",
- "kern","mark","mkmk",
- },
- thai={
- "ccmp","locl","liga","kern","mark",
- "mkmk",
- },
- hang={
- "ccmp","ljmo","vjmo","tjmo",
- },
-}
-otf.tables.defaults.beng=otf.tables.defaults.deva
-otf.tables.defaults.guru=otf.tables.defaults.deva
-otf.tables.defaults.gujr=otf.tables.defaults.deva
-otf.tables.defaults.orya=otf.tables.defaults.deva
-otf.tables.defaults.taml=otf.tables.defaults.deva
-otf.tables.defaults.telu=otf.tables.defaults.deva
-otf.tables.defaults.knda=otf.tables.defaults.deva
-otf.tables.defaults.mlym=otf.tables.defaults.deva
-otf.tables.defaults.sinh=otf.tables.defaults.deva
-otf.tables.defaults.syrc=otf.tables.defaults.arab
-otf.tables.defaults.mong=otf.tables.defaults.arab
-otf.tables.defaults.nko=otf.tables.defaults.arab
-otf.tables.defaults.tibt=otf.tables.defaults.khmr
-otf.tables.defaults.lao=otf.tables.defaults.thai
-local function parse_script(script)
- if otf.tables.scripts[script] then
- local dflt
- if otf.tables.defaults[script] then
- logs.report("load font","auto-selecting default features for script: %s",script)
- dflt=otf.tables.defaults[script]
- else
- logs.report("load font","auto-selecting default features for script: dflt (was %s)",script)
- dflt=otf.tables.defaults["dflt"]
- end
- for _,v in next,dflt do
- list[v]="yes"
- end
- else
- logs.report("load font","unknown script: %s",script)
- end
-end
-local function issome () list.lookup=fonts.define.specify.colonized_default_lookup end
-local function isfile () list.lookup='file' end
-local function isname () list.lookup='name' end
-local function thename(s) list.name=s end
-local function issub (v) list.sub=v end
-local function iskey (k,v)
- if k=="script" then
- parse_script(v)
- end
- list[k]=v
-end
-local function istrue (s) list[s]=true end
-local function isfalse(s) list[s]=false end
-local spaces=lpeg.P(" ")^0
-local namespec=(1-lpeg.S("/:("))^0
-local filespec=(lpeg.R("az","AZ")*lpeg.P(":"))^-1*(1-lpeg.S(":("))^1
-local crapspec=spaces*lpeg.P("/")*(((1-lpeg.P(":"))^0)/isstyle)*spaces
-local filename=(lpeg.P("file:")/isfile*(filespec/thename))+(lpeg.P("[")*lpeg.P(true)/isfile*(((1-lpeg.P("]"))^0)/thename)*lpeg.P("]"))
-local fontname=(lpeg.P("name:")/isname*(namespec/thename))+lpeg.P(true)/issome*(namespec/thename)
-local sometext=(lpeg.R("az","AZ","09")+lpeg.S("+-."))^1
-local truevalue=lpeg.P("+")*spaces*(sometext/istrue)
-local falsevalue=lpeg.P("-")*spaces*(sometext/isfalse)
-local keyvalue=lpeg.P("+")+(lpeg.C(sometext)*spaces*lpeg.P("=")*spaces*lpeg.C(sometext))/iskey
-local somevalue=sometext/istrue
-local subvalue=lpeg.P("(")*(lpeg.C(lpeg.P(1-lpeg.S("()"))^1)/issub)*lpeg.P(")")
-local option=spaces*(keyvalue+falsevalue+truevalue+somevalue)*spaces
-local options=lpeg.P(":")*spaces*(lpeg.P(";")^0*option)^0
-local pattern=(filename+fontname)*subvalue^0*crapspec^0*options^0
-local normalize_meanings=fonts.otf.meanings.normalize
-function fonts.define.specify.colonized(specification)
- list={}
- lpegmatch(pattern,specification.specification)
- if list.style then
- specification.style=list.style
- list.style=nil
- end
- if list.optsize then
- specification.optsize=list.optsize
- list.optsize=nil
- end
- if list.name then
- if resolvers.find_file(list.name,"tfm") then
- list.lookup="file"
- list.name=file.addsuffix(list.name,"tfm")
- elseif resolvers.find_file(list.name,"ofm") then
- list.lookup="file"
- list.name=file.addsuffix(list.name,"ofm")
- end
- specification.name=list.name
- list.name=nil
- end
- if list.lookup then
- specification.lookup=list.lookup
- list.lookup=nil
- end
- if list.sub then
- specification.sub=list.sub
- list.sub=nil
- end
- specification.features.normal=normalize_meanings(list)
- return specification
-end
-fonts.define.register_split(":",fonts.define.specify.colonized)
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-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 {}
-fonts.otf.pack=false
-fonts.tfm.resolve_vf=false
-fonts.tfm.fontname_mode="specification"
-fonts.tfm.readers=fonts.tfm.readers or {}
-fonts.tfm.readers.sequence={ 'otf','ttf','tfm' }
-fonts.tfm.readers.afm=nil
-fonts.define=fonts.define or {}
-fonts.define.specify.colonized_default_lookup="name"
-function fonts.define.get_specification(str)
- return "",str,"",":",str
-end
-fonts.logger=fonts.logger or {}
-function fonts.logger.save()
-end
-fonts.names=fonts.names or {}
-fonts.names.version=1.001
-fonts.names.basename="luatex-fonts-names.lua"
-fonts.names.new_to_old={}
-fonts.names.old_to_new={}
-local data,loaded=nil,false
-local fileformats={ "lua","tex","other text files" }
-function fonts.names.resolve(name,sub)
- if not loaded then
- local basename=fonts.names.basename
- if basename and basename~="" then
- for i=1,#fileformats do
- local format=fileformats[i]
- 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]","")
- local found=data.mappings and data.mappings[condensed]
- if found then
- local fontname,filename,subfont=found[1],found[2],found[3]
- if subfont then
- return filename,fontname
- else
- return filename,false
- end
- else
- return name,false
- end
- end
-end
-fonts.names.resolvespec=fonts.names.resolve
-table.insert(fonts.triggers,"itlc")
-local function itlc(tfmdata,value)
- if value then
- 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.initializers.common.slant(tfmdata,value)
- value=tonumber(value)
- if not value then
- value=0
- elseif value>1 then
- value=1
- elseif value<-1 then
- value=-1
- end
- tfmdata.slant_factor=value
-end
-function fonts.initializers.common.extend(tfmdata,value)
- value=tonumber(value)
- if not value then
- value=0
- elseif value>10 then
- value=10
- elseif value<-10 then
- value=-10
- end
- tfmdata.extend_factor=value
-end
-table.insert(fonts.triggers,"slant")
-table.insert(fonts.triggers,"extend")
-fonts.initializers.base.otf.slant=fonts.initializers.common.slant
-fonts.initializers.node.otf.slant=fonts.initializers.common.slant
-fonts.initializers.base.otf.extend=fonts.initializers.common.extend
-fonts.initializers.node.otf.extend=fonts.initializers.common.extend
-fonts.protrusions=fonts.protrusions or {}
-fonts.protrusions.setups=fonts.protrusions.setups or {}
-local setups=fonts.protrusions.setups
-local function map_opbd_onto_protrusion(tfmdata,value,opbd)
- local characters,descriptions=tfmdata.characters,tfmdata.descriptions
- local otfdata=tfmdata.shared.otfdata
- local singles=otfdata.shared.featuredata.gpos_single
- local script,language=tfmdata.script,tfmdata.language
- local done,factor,left,right=false,1,1,1
- local setup=setups[value]
- if setup then
- factor=setup.factor or 1
- left=setup.left or 1
- right=setup.right or 1
- else
- factor=tonumber(value) or 1
- end
- if opbd~="right" then
- local validlookups,lookuplist=fonts.otf.collect_lookups(otfdata,"lfbd",script,language)
- if validlookups then
- for i=1,#lookuplist do
- local lookup=lookuplist[i]
- local data=singles[lookup]
- if data then
- if trace_protrusion then
- logs.report("fonts","set left protrusion using lfbd lookup '%s'",lookup)
- end
- for k,v in next,data do
- local p=- (v[1]/1000)*factor*left
- characters[k].left_protruding=p
- if trace_protrusion then
- logs.report("opbd","lfbd -> %s -> 0x%05X (%s) -> %0.03f (%s)",lookup,k,utfchar(k),p,concat(v," "))
- end
- end
- done=true
- end
- end
- end
- end
- if opbd~="left" then
- local validlookups,lookuplist=fonts.otf.collect_lookups(otfdata,"rtbd",script,language)
- if validlookups then
- for i=1,#lookuplist do
- local lookup=lookuplist[i]
- local data=singles[lookup]
- if data then
- if trace_protrusion then
- logs.report("fonts","set right protrusion using rtbd lookup '%s'",lookup)
- end
- for k,v in next,data do
- local p=(v[1]/1000)*factor*right
- characters[k].right_protruding=p
- if trace_protrusion then
- logs.report("opbd","rtbd -> %s -> 0x%05X (%s) -> %0.03f (%s)",lookup,k,utfchar(k),p,concat(v," "))
- end
- end
- end
- done=true
- end
- end
- end
- tfmdata.auto_protrude=done
-end
-function fonts.initializers.common.protrusion(tfmdata,value)
- if value then
- local opbd=tfmdata.shared.features.opbd
- if opbd then
- map_opbd_onto_protrusion(tfmdata,value,opbd)
- elseif value then
- local setup=setups[value]
- if setup then
- local factor,left,right=setup.factor or 1,setup.left or 1,setup.right or 1
- local emwidth=tfmdata.parameters.quad
- tfmdata.auto_protrude=true
- for i,chr in next,tfmdata.characters do
- local v,pl,pr=setup[i],nil,nil
- if v then
- pl,pr=v[1],v[2]
- end
- if pl and pl~=0 then chr.left_protruding=left*pl*factor end
- if pr and pr~=0 then chr.right_protruding=right*pr*factor end
- end
- end
- end
- end
-end
-fonts.expansions=fonts.expansions or {}
-fonts.expansions.setups=fonts.expansions.setups or {}
-local setups=fonts.expansions.setups
-function fonts.initializers.common.expansion(tfmdata,value)
- if value then
- local setup=setups[value]
- if setup then
- local stretch,shrink,step,factor=setup.stretch or 0,setup.shrink or 0,setup.step or 0,setup.factor or 1
- tfmdata.stretch,tfmdata.shrink,tfmdata.step,tfmdata.auto_expand=stretch*10,shrink*10,step*10,true
- for i,chr in next,tfmdata.characters do
- local v=setup[i]
- if v and v~=0 then
- chr.expansion_factor=v*factor
- else
- chr.expansion_factor=factor
- end
- end
- end
- end
-end
-table.insert(fonts.manipulators,"protrusion")
-table.insert(fonts.manipulators,"expansion")
-fonts.initializers.base.otf.protrusion=fonts.initializers.common.protrusion
-fonts.initializers.node.otf.protrusion=fonts.initializers.common.protrusion
-fonts.initializers.base.otf.expansion=fonts.initializers.common.expansion
-fonts.initializers.node.otf.expansion=fonts.initializers.common.expansion
-function fonts.register_message()
-end
-local byte=string.byte
-fonts.expansions.setups['default']={
- stretch=2,shrink=2,step=.5,factor=1,
- [byte('A')]=0.5,[byte('B')]=0.7,[byte('C')]=0.7,[byte('D')]=0.5,[byte('E')]=0.7,
- [byte('F')]=0.7,[byte('G')]=0.5,[byte('H')]=0.7,[byte('K')]=0.7,[byte('M')]=0.7,
- [byte('N')]=0.7,[byte('O')]=0.5,[byte('P')]=0.7,[byte('Q')]=0.5,[byte('R')]=0.7,
- [byte('S')]=0.7,[byte('U')]=0.7,[byte('W')]=0.7,[byte('Z')]=0.7,
- [byte('a')]=0.7,[byte('b')]=0.7,[byte('c')]=0.7,[byte('d')]=0.7,[byte('e')]=0.7,
- [byte('g')]=0.7,[byte('h')]=0.7,[byte('k')]=0.7,[byte('m')]=0.7,[byte('n')]=0.7,
- [byte('o')]=0.7,[byte('p')]=0.7,[byte('q')]=0.7,[byte('s')]=0.7,[byte('u')]=0.7,
- [byte('w')]=0.7,[byte('z')]=0.7,
- [byte('2')]=0.7,[byte('3')]=0.7,[byte('6')]=0.7,[byte('8')]=0.7,[byte('9')]=0.7,
-}
-fonts.protrusions.setups['default']={
- factor=1,left=1,right=1,
- [0x002C]={ 0,1 },
- [0x002E]={ 0,1 },
- [0x003A]={ 0,1 },
- [0x003B]={ 0,1 },
- [0x002D]={ 0,1 },
- [0x2013]={ 0,0.50 },
- [0x2014]={ 0,0.33 },
- [0x3001]={ 0,1 },
- [0x3002]={ 0,1 },
- [0x060C]={ 0,1 },
- [0x061B]={ 0,1 },
- [0x06D4]={ 0,1 },
-}
-fonts.otf.meanings=fonts.otf.meanings or {}
-fonts.otf.meanings.normalize=fonts.otf.meanings.normalize or function(t)
- if t.rand then
- t.rand="random"
- end
-end
-function fonts.otf.name_to_slot(name)
- local tfmdata=fonts.ids[font.current()]
- if tfmdata and tfmdata.shared then
- local otfdata=tfmdata.shared.otfdata
- local unicode=otfdata.luatex.unicodes[name]
- return unicode and (type(unicode)=="number" and unicode or unicode[1])
- end
-end
-function fonts.otf.char(n)
- if type(n)=="string" then
- n=fonts.otf.name_to_slot(n)
- end
- if type(n)=="number" then
- tex.sprint("\\char"..n)
- end
-end
-fonts.strippables=table.tohash {
- 0x000AD,0x017B4,0x017B5,0x0200B,0x0200C,0x0200D,0x0200E,0x0200F,0x0202A,0x0202B,
- 0x0202C,0x0202D,0x0202E,0x02060,0x02061,0x02062,0x02063,0x0206A,0x0206B,0x0206C,
- 0x0206D,0x0206E,0x0206F,0x0FEFF,0x1D173,0x1D174,0x1D175,0x1D176,0x1D177,0x1D178,
- 0x1D179,0x1D17A,0xE0001,0xE0020,0xE0021,0xE0022,0xE0023,0xE0024,0xE0025,0xE0026,
- 0xE0027,0xE0028,0xE0029,0xE002A,0xE002B,0xE002C,0xE002D,0xE002E,0xE002F,0xE0030,
- 0xE0031,0xE0032,0xE0033,0xE0034,0xE0035,0xE0036,0xE0037,0xE0038,0xE0039,0xE003A,
- 0xE003B,0xE003C,0xE003D,0xE003E,0xE003F,0xE0040,0xE0041,0xE0042,0xE0043,0xE0044,
- 0xE0045,0xE0046,0xE0047,0xE0048,0xE0049,0xE004A,0xE004B,0xE004C,0xE004D,0xE004E,
- 0xE004F,0xE0050,0xE0051,0xE0052,0xE0053,0xE0054,0xE0055,0xE0056,0xE0057,0xE0058,
- 0xE0059,0xE005A,0xE005B,0xE005C,0xE005D,0xE005E,0xE005F,0xE0060,0xE0061,0xE0062,
- 0xE0063,0xE0064,0xE0065,0xE0066,0xE0067,0xE0068,0xE0069,0xE006A,0xE006B,0xE006C,
- 0xE006D,0xE006E,0xE006F,0xE0070,0xE0071,0xE0072,0xE0073,0xE0074,0xE0075,0xE0076,
- 0xE0077,0xE0078,0xE0079,0xE007A,0xE007B,0xE007C,0xE007D,0xE007E,0xE007F,
-}
-
-end -- closure
-
-do -- begin closure to overcome local limits and interference
-
-if not modules then modules={} end modules ['font-clr']={
- version=1.001,
- comment="companion to font-otf.lua (font color)",
- author="Khaled Hosny and Elie Roux",
- copyright="Luaotfload Development Team",
- license="GPL"
-}
-fonts.triggers=fonts.triggers or {}
-fonts.initializers=fonts.initializers or {}
-fonts.initializers.common=fonts.initializers.common or {}
-local initializers,format=fonts.initializers,string.format
-table.insert(fonts.triggers,"color")
-function initializers.common.color(tfmdata,value)
- local sanitized
- if value then
- value=tostring(value)
- if #value==6 or #value==8 then
- sanitized=value
- elseif #value==7 then
- _,_,sanitized=value:find("(......)")
- elseif #value>8 then
- _,_,sanitized=value:find("(........)")
- else
- end
- end
- if sanitized then
- tfmdata.color=sanitized
- add_color_callback()
- end
-end
-initializers.base.otf.color=initializers.common.color
-initializers.node.otf.color=initializers.common.color
-local function hex2dec(hex,one)
- if one then
- return format("%.1g",tonumber(hex,16)/255)
- else
- return format("%.3g",tonumber(hex,16)/255)
- end
-end
-local res
-local function pageresources(a)
- local res2
- if not res then
- res="/TransGs1<</ca 1/CA 1>>"
- end
- res2=format("/TransGs%s<</ca %s/CA %s>>",a,a,a)
- res=format("%s%s",res,res:find(res2) and "" or res2)
-end
-local function hex_to_rgba(hex)
- local r,g,b,a,push,pop,res3
- if hex then
- if #hex==6 then
- _,_,r,g,b=hex:find('(..)(..)(..)')
- elseif #hex==8 then
- _,_,r,g,b,a=hex:find('(..)(..)(..)(..)')
- a=hex2dec(a,true)
- pageresources(a)
- end
- else
- return nil
- end
- r=hex2dec(r)
- g=hex2dec(g)
- b=hex2dec(b)
- if a then
- push=format('/TransGs%g gs %s %s %s rg',a,r,g,b)
- pop='0 g /TransGs1 gs'
- else
- push=format('%s %s %s rg',r,g,b)
- pop='0 g'
- end
- return push,pop
-end
-local glyph=node.id('glyph')
-local hlist=node.id('hlist')
-local vlist=node.id('vlist')
-local whatsit=node.id('whatsit')
-local pgi=node.id('page_insert')
-local sbox=node.id('sub_box')
-local function lookup_next_color(head)
- for n in node.traverse(head) do
- if n.id==glyph then
- if fonts.ids[n.font] and fonts.ids[n.font].color then
- return fonts.ids[n.font].color
- else
- return -1
- end
- elseif n.id==vlist or n.id==hlist or n.id==sbox then
- local r=lookup_next_color(n.list)
- if r==-1 then
- return -1
- elseif r then
- return r
- end
- elseif n.id==whatsit or n.id==pgi then
- return -1
- end
- end
- return nil
-end
-local function node_colorize(head,current_color,next_color)
- for n in node.traverse(head) do
- if n.id==hlist or n.id==vlist or n.id==sbox then
- local next_color_in=lookup_next_color(n.next) or next_color
- n.list,current_color=node_colorize(n.list,current_color,next_color_in)
- elseif n.id==glyph then
- local tfmdata=fonts.ids[n.font]
- if tfmdata and tfmdata.color then
- if tfmdata.color~=current_color then
- local pushcolor=hex_to_rgba(tfmdata.color)
- local push=node.new(whatsit,8)
- push.mode=1
- push.data=pushcolor
- head=node.insert_before(head,n,push)
- current_color=tfmdata.color
- end
- local next_color_in=lookup_next_color (n.next) or next_color
- if next_color_in~=tfmdata.color then
- local _,popcolor=hex_to_rgba(tfmdata.color)
- local pop=node.new(whatsit,8)
- pop.mode=1
- pop.data=popcolor
- head=node.insert_after(head,n,pop)
- current_color=nil
- end
- end
- end
- end
- return head,current_color
-end
-local function font_colorize(head)
- if res then
- local r="/ExtGState<<"..res..">>"
- tex.pdfpageresources=tex.pdfpageresources:gsub(r,"")
- end
- local h=node_colorize(head,nil,nil)
- if res and res:find("%S") then
- local r="/ExtGState<<"..res..">>"
- tex.pdfpageresources=tex.pdfpageresources..r
- end
- return h
-end
-local color_callback_activated=0
-function add_color_callback()
- if color_callback_activated==0 then
- luatexbase.add_to_callback("pre_output_filter",font_colorize,"loaotfload.colorize")
- color_callback_activated=1
- end
-end
-
-end -- closure
diff --git a/luaotfload-legacy-tool.lua b/luaotfload-legacy-tool.lua
deleted file mode 100755
index 30ab13b..0000000
--- a/luaotfload-legacy-tool.lua
+++ /dev/null
@@ -1,105 +0,0 @@
-#!/usr/bin/env texlua
---[[
-This file is copyright 2010 Elie Roux and Khaled Hosny and is under CC0
-license (see http://creativecommons.org/publicdomain/zero/1.0/legalcode).
-
-This file is a wrapper for the luaotfload's font names module. It is part of the
-luaotfload bundle, please see the luaotfload documentation for more info.
---]]
-
-kpse.set_program_name("luatex")
-
-require("lualibs") ---> current
-require("luaotfload-legacy-database") ---> old
-require("alt_getopt") ---> ?
-
-local name = "mkluatexfontdb"
-local version = "1.31 (legacy)"
-
-local names = fonts.names
-
-local function help_msg()
- texio.write(string.format([[
-Usage: %s [OPTION]...
-
-================================================================================
- please update your luatex binary
- this version is unsupported and likely to break things
-================================================================================
-
-Rebuild the LuaTeX font database.
-
-Valid options:
- -f --force force re-indexing all fonts
- -q --quiet don't output anything
- -v --verbose=LEVEL be more verbose (print the searched directories)
- -vv print the loaded fonts
- -vvv print all steps of directory searching
- -V --version print version and exit
- -h --help print this message
-
-The output database file is named otfl-names.lua and is placed under:
-
- %s
-
-contact: https://github.com/lualatex/luaotfload
-
-]], name, names.path.localdir))
-end
-
-local function version_msg()
- texio.write(string.format(
- "%s version %s, database version %s.\n", name, version, names.version))
-end
-
---[[
-Command-line processing.
-Here we fill cmdargs with the good values, and then analyze it.
---]]
-
-local long_opts = {
- force = "f",
- quiet = "q",
- help = "h",
- verbose = 1 ,
- version = "V",
-}
-
-local short_opts = "fqpvVh"
-
-local force_reload = nil
-
-local function process_cmdline()
- local opts, optind, optarg = alt_getopt.get_ordered_opts (arg, short_opts, long_opts)
- local log_level = 1
- for i,v in ipairs(opts) do
- if v == "q" then
- log_level = 0
- elseif v == "v" then
- if log_level > 0 then
- log_level = log_level + 1
- else
- log_level = 2
- end
- elseif v == "V" then
- version_msg()
- os.exit(0)
- elseif v == "h" then
- help_msg()
- os.exit(0)
- elseif v == "f" then
- force_reload = 1
- end
- end
- names.set_log_level(log_level)
-end
-
-local function generate(force)
- local fontnames, saved
- fontnames = names.update(fontnames, force)
- logs.report("%s fonts in the database", #fontnames.mappings)
- saved = names.save(fontnames)
-end
-
-process_cmdline()
-generate(force_reload)
diff --git a/luaotfload-legacy.lua b/luaotfload-legacy.lua
deleted file mode 100644
index 8bb1790..0000000
--- a/luaotfload-legacy.lua
+++ /dev/null
@@ -1,402 +0,0 @@
-module("luaotfload", package.seeall)
-
-luaotfload.module = {
- name = "luaotfload-legacy",
- version = 1.31,
- date = "2013/04/25",
- description = "Unsupported Luaotfload",
- author = "Elie Roux & Hans Hagen",
- copyright = "Elie Roux",
- license = "GPL v2"
-}
-
-local error, warning, info, log = luatexbase.provides_module(luaotfload.module)
-
---[[doc--
-
- This used to be a necessary initalization in order not to rebuild an
- existing font. Maybe 600 should be replaced by |\pdfpkresolution|
- or |texconfig.pk_dpi| (and it should be replaced dynamically), but
- we don't have access (yet) to the |texconfig| table, so we let it be
- 600. Anyway, it does still work fine even if |\pdfpkresolution| is
- changed.
-
---doc]]--
-
-kpse.init_prog("", 600, "/")
-
---[[doc--
-
- The minimal required \luatex version.
- We are tolerant folks.
-
---doc]]--
-
-local luatex_version = 60
-if tex.luatexversion < luatex_version then
- warning("LuaTeX v%.2f is old, v%.2f is required, v0.76 recommended.",
- tex.luatexversion/100,
- luatex_version /100)
-end
-
---[[doc--
-
- \subsection{Module loading}
- We load the outdated \context files with this function. It
- automatically adds the |otfl-| prefix to it, so that we call it with
- the actual \context name.
-
---doc]]--
-
-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
-
---[[doc--
-
- Keep away from these lines!
-
---doc]]--
-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")
---[[doc--
- By default \context takes some private attributes for internal use. To
- avoide attribute clashes with other packages, we override the function
- that allocates new attributes, making it a wraper around
- |luatexbase.new_attribute()|. We also prefix attributes with |otfl@| to
- avoid possiple name clashes.
---doc]]--
- loadmodule("luaotfload-legacy-attributes.lua") -- patch attributes
---[[doc--
- Font handling modules.
---doc]]--
- 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")
---[[doc--
- \textsf{old luaotfload} specific modules.
---doc]]--
- 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
-
---[[doc--
-
- This is a patch for |otfl-font-def.lua|, that defines a reader for ofm
- fonts, this is necessary if we set the forced field of the specification
- to |ofm|.
-
---doc]]--
-
-if fonts and fonts.tfm and fonts.tfm.readers then
- fonts.tfm.readers.ofm = fonts.tfm.readers.tfm
-end
-
---[[doc--
-
- \subsection{Post-processing TFM table}
- Here we do some final touches to the loaded TFM table before passing it
- to the \tex end.
- First we create a callback for patching fonts on the fly, to be used by
- other packages.
-
---doc]]--
-
-luatexbase.create_callback("luaotfload.patch_font", "simple", function() end)
-
---[[doc--
-
- then define a function where font manipulation will take place.
-
---doc]]--
-
-local function def_font(...)
- local fontdata = fonts.define.read(...)
- if type(fontdata) == "table" and fontdata.shared then
---[[doc--
-
- Then we populate |MathConstants| table, which is required for
- OpenType math.
-
- Note: actually it isn’t, but you’re asking for it by using outdated
- code.
-
---doc]]--
- 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
---[[doc--
-
- Execute any registered font patching callbacks.
-
---doc]]--
- luatexbase.call_callback("luaotfload.patch_font", fontdata)
- end
- return fontdata
-end
-
---[[doc--
-\subsection{\context override}
-
- We have a unified function for both file and name resolver. This
- line is commented as it makes database reload too often. This means
- that in some cases, a font in the database will not be found if
- it's not in the texmf tree. A similar thing will reappear in next
- version.
-
---doc]]--
-
---fonts.define.resolvers.file = fonts.define.resolvers.name
-
---[[doc--
-
- Overriding some defaults set in \context code.
-
---doc]]--
-
-fonts.mode = "node"
-
---[[doc--
-
- The following features are useful in math (e.g. in XITS Math font),
- but \textsf{luaotfload} does not recognize them in |base| mode.
-
---doc]]--
-
-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
-
---[[doc--
-
- Finally we register the callbacks
-
---doc]]--
-
-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")
---[[doc--
-
- XXX: see https://github.com/wspr/unicode-math/issues/185
- \luatex does not provide interface to accessing
- |(Script)ScriptPercentScaleDown| math constants, so we
- emulate \xetex behaviour by setting |\fontdimen10| and
- |\fontdimen11|.
-
- Note: actually, it does now, but not unless you update.
-
---doc]]--
-
-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")
-
---[[doc--
- Version 2.3c of fontspec dropped a couple features that are now
- provided in the luaotfload auxiliary libraries. To avoid breaking
- Mik\TEX (again), which is sorta the entire point of distributing the
- legacy codebase, we temporarily restore those functions here.
-
- Note that apart from cosmetic changes these are still the same as in
- pre-TL2013 fontspec, relying on pairs() and other inefficient methods.
---doc]]--
-
-luaotfload.aux = luaotfload.aux or { }
-local aux = luaotfload.aux
-
-local stringlower = string.lower
-local fontid = font.id
-
-local identifiers = fonts.identifiers
-
-local check_script = function (id, script)
- local s = stringlower(script)
- if id and id > 0 then
- local tfmdata = identifiers[id]
- local otfdata = tfmdata.shared and tfmdata.shared.otfdata
- if otfdata then
- local features = otfdata.luatex.features
- for i, _ in pairs(features) do
- for j, _ in pairs(features[i]) do
- if features[i][j][s] then
- fontspec.log("script '%s' exists in font '%s'",
- script, tfmdata.fullname)
- return true
- end
- end
- end
- end
- end
-end
-
-local check_language = function (id, script, language)
- local s = stringlower(script)
- local l = stringlower(language)
- if id and id > 0 then
- local tfmdata = identifiers[id]
- local otfdata = tfmdata.shared and tfmdata.shared.otfdata
- if otfdata then
- local features = otfdata.luatex.features
- for i, _ in pairs(features) do
- for j, _ in pairs(features[i]) do
- if features[i][j][s] and features[i][j][s][l] then
- fontspec.log("language '%s' for script '%s' exists in font '%s'",
- language, script, tfmdata.fullname)
- return true
- end
- end
- end
- end
- end
-end
-
-local check_feature = function (id, script, language, feature)
- local s = stringlower(script)
- local l = stringlower(language)
- local f = stringlower(feature:gsub("^[+-]", ""):gsub("=.*$", ""))
- if id and id > 0 then
- local tfmdata = identifiers[id]
- local otfdata = tfmdata.shared and tfmdata.shared.otfdata
- if otfdata then
- local features = otfdata.luatex.features
- for i, _ in pairs(features) do
- if features[i][f] and features[i][f][s] then
- if features[i][f][s][l] == true then
- fontspec.log("feature '%s' for language '%s' and script '%s' exists in font '%s'",
- feature, language, script, tfmdata.fullname)
- return true
- end
- end
- end
- end
- end
-end
-
-local get_math_dimension = function(fnt, str)
- if type(fnt) == "string" then
- fnt = fontid(fnt)
- end
- local tfmdata = identifiers[fnt]
- if tfmdata then
- local mathdata = tfmdata.MathConstants
- if mathdata then
- return mathdata[str]
- end
- end
-end
-
-aux.provides_script = check_script
-aux.provides_language = check_language
-aux.provides_feature = check_feature
-aux.get_math_dimension = get_math_dimension
-
-local set_capheight = function (tfmdata)
- local capheight
- local shared = tfmdata.shared
- if shared then
- local metadata = shared.otfdata.metadata
- local units_per_em = metadata.units_per_em or tfmdata.units
- local os2_capheight = shared.otfdata.pfminfo.os2_capheight
- local size = tfmdata.size
-
- if os2_capheight > 0 then
- capheight = os2_capheight / units_per_em * size
- else
- local X8 = string.byte"X"
- if tfmdata.characters[X8] then
- capheight = tfmdata.characters[X8].height
- else
- capheight = metadata.ascent / units_per_em * size
- end
- end
- else
- local X8 = string.byte"X"
- if tfmdata.characters[X8] then
- capheight = tfmdata.characters[X8].height
- end
- end
- if capheight then
- tfmdata.parameters[8] = capheight
- end
-end
-luatexbase.add_to_callback("luaotfload.patch_font",
- set_capheight,
- "luaotfload.set_capheight")
-
---[[doc--
-End of auxiliary functionality that was moved from fontspec.lua.
---doc]]--
-
--- vim:ts=2:sw=2:expandtab:ft=lua
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-23 15:45:12 +0000