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-rw-r--r--tex/context/base/mkiv/font-cft.lua543
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diff --git a/tex/context/base/mkiv/font-cft.lua b/tex/context/base/mkiv/font-cft.lua
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+++ b/tex/context/base/mkiv/font-cft.lua
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+if not modules then modules = { } end modules ['font-cft'] = {
+ 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"
+}
+
+-- context font tables
+
+-- todo: extra:
+--
+-- extra_space => space.extra
+-- space => space.width
+-- space_stretch => space.stretch
+-- space_shrink => space.shrink
+
+-- We do keep the x-height, extra_space, space_shrink and space_stretch
+-- around as these are low level official names.
+
+local type = type
+
+local fonts = fonts or { }
+local tables = fonts.tables or { }
+fonts.tables = tables
+
+local data = utilities.storage.allocate()
+tables.data = data
+
+do
+
+ local t_units = "<units>"
+ local t_unicode = "<unicode>"
+ local t_unispec = "<unispec>" -- t_unicode | { t_unicode }
+ local t_index = "<index>"
+ local t_cardinal = "<cardinal>"
+ local t_integer = "<integer>"
+ local t_float = "<float>"
+ local t_boolean = "<boolean>"
+ local t_string = "<string>"
+ local t_array = "<array>"
+ local t_hash = "<hash>"
+ local t_scaled = "<scaled>"
+ local t_keyword = "<keyword>"
+ local t_scale = "<scale>" -- 1000 based tex scale
+ local t_value = "<value>" -- number, string, boolean
+ local t_function = "<function>"
+
+ data.types = {
+ ["units"] = "<units>",
+ ["unicode"] = "<unicode>",
+ ["unispec"] = "<unispec>" , -- t_unicode | { t_unicode }
+ ["index"] = "<index>",
+ ["cardinal"] = "<cardinal>",
+ ["integer"] = "<integer>",
+ ["float"] = "<float>",
+ ["boolean"] = "<boolean>",
+ ["string"] = "<string>",
+ ["array"] = "<array>",
+ ["hash"] = "<hash>",
+ ["scaled"] = "<scaled>",
+ ["keyword"] = "<keyword>",
+ ["scale"] = "<scale>", -- 1000 based tex scale
+ ["value"] = "<value>", -- number, string, boolean
+ ["function"] = "<function>",
+ }
+
+ local boundingbox = {
+ t_units,
+ t_units,
+ t_units,
+ t_units
+ }
+
+ local mathvariants = {
+ t_array
+ }
+
+ local mathparts = {
+ {
+ advance = t_units,
+ ["end"] = t_units,
+ extender = t_units,
+ glyph = t_unicode,
+ start = t_units,
+ }
+ }
+
+ local mathkerns = {
+ {
+ height = t_units,
+ kern = t_units,
+ },
+ }
+
+ local mathparts = {
+ {
+ advance = t_scaled,
+ ["end"] = t_scaled,
+ extender = t_scaled,
+ glyph = t_unicode,
+ start = t_scaled,
+ }
+ }
+
+ local mathkerns = {
+ {
+ height = t_scaled,
+ kern = t_scaled,
+ },
+ }
+
+ local vfcommands = {
+ { t_keyword, t_value },
+ }
+
+ local description = {
+ width = t_units,
+ height = t_units,
+ depth = t_units,
+ italic = t_units,
+ index = t_index,
+ boundingbox = boundingbox,
+ unicode = t_unispec,
+ math = {
+ accent = t_units,
+ hvariants = mathvariants,
+ vvariants = mathvariants,
+ hparts = mathparts,
+ vparts = mathparts,
+ kerns = {
+ bottomright = mathkerns,
+ bottomleft = mathkerns,
+ topright = mathkerns,
+ topleft = mathkerns,
+ }
+ },
+ }
+
+ local character = {
+ width = t_scaled,
+ height = t_scaled,
+ depth = t_scaled,
+ italic = t_scaled,
+ index = t_index,
+ expansion_factor = t_scaled,
+ left_protruding = t_scaled,
+ right_protruding = t_scaled,
+ tounicode = t_string,
+ unicode = t_unispec,
+ commands = vfcommands,
+ accent = t_scaled,
+ hvariants = mathvariants,
+ vvariants = mathvariants,
+ hparts = math_parts,
+ vparts = math_parts,
+ kerns = {
+ bottomright = math_kerns,
+ bottomleft = math_kerns,
+ topright = math_kerns,
+ topleft = math_kerns,
+ },
+ ligatures = t_hash,
+ kerns = t_hash,
+ next = t_array,
+ }
+
+ data.original = {
+ cache_uuid = t_string,
+ cache_version = t_float,
+ compacted = t_boolean,
+ creator = t_string,
+ descriptions = { description },
+ format = t_string,
+ goodies = t_hash,
+ metadata = {
+ ascender = t_units,
+ averagewidth = t_units,
+ capheight = t_units,
+ descender = t_units,
+ family = t_string,
+ familyname = t_string,
+ fontname = t_string,
+ fullname = t_string,
+ italicangle = t_float,
+ monospaced = t_boolean,
+ panoseweight = t_string,
+ panosewidth = t_string,
+ pfmweight = t_units,
+ pfmwidth = t_units,
+ subfamily = t_string,
+ subfamilyname = t_string,
+ subfontindex = t_index,
+ units = t_cardinal,
+ version = t_string,
+ weight = t_string,
+ width = t_string,
+ xheight = t_units,
+ },
+ private = t_unicode,
+ properties = {
+ hascolor = t_boolean,
+ hasitalics = t_boolean,
+ hasspacekerns = t_boolean,
+ },
+ resources = {
+ duplicates = t_hash,
+ features = {
+ gpos = t_hash,
+ gsub = t_hash,
+ },
+ filename = t_string,
+ markclasses = t_hash,
+ marks = t_hash,
+ marksets = t_hash,
+ mathconstants = t_hash,
+ private = t_cardinal,
+ sequences = t_array,
+ -- unicodes = t_hash,
+ version = t_string,
+ },
+ size = t_cardinal,
+ -- tables = t_array,
+ tableversion = t_float,
+ time = t_cardinal,
+ }
+
+ data.scaled = {
+ properties = {
+ encodingbytes = t_cardinal,
+ embedding = t_cardinal, -- ?
+ cidinfo = t_hash,
+ format = t_string,
+ fontname = t_string,
+ fullname = t_string,
+ filename = t_string,
+ psname = t_string,
+ name = t_string,
+ virtualized = t_boolean,
+ hasitalics = t_boolean,
+ autoitalicamount = t_float,
+ nostackmath = t_boolean,
+ noglyphnames = t_boolean,
+ mode = t_string,
+ hasmath = t_boolean,
+ mathitalics = t_boolean,
+ textitalics = t_boolean,
+ finalized = t_boolean,
+ },
+ parameters = {
+ mathsize = t_cardinal,
+ scriptpercentage = t_float,
+ scriptscriptpercentage = t_float,
+ units = t_cardinal,
+ designsize = t_scaled,
+ expansion = {
+ stretch = t_scale,
+ shrink = t_scale,
+ step = t_scale,
+ auto = t_boolean,
+ },
+ protrusion = {
+ auto = t_boolean,
+ },
+ slantfactor = t_float,
+ extendfactor = t_float,
+ factor = t_float,
+ hfactor = t_float,
+ vfactor = t_float,
+ size = t_scaled,
+ units = t_scaled,
+ scaledpoints = t_scaled,
+ slantperpoint = t_scaled,
+ xheight = t_scaled,
+ quad = t_scaled,
+ ascender = t_scaled,
+ descender = t_scaled,
+ spacing = {
+ width = t_scaled,
+ stretch = t_scaled,
+ shrink = t_scaled,
+ extra = t_scaled,
+ },
+ -- synonyms = {
+ -- space = "spacing.width",
+ -- spacestretch = "spacing.stretch",
+ -- spaceshrink = "spacing.shrink",
+ -- extraspace = "spacing.extra",
+ -- x_height = "xheight",
+ -- space_stretch = "spacing.stretch",
+ -- space_shrink = "spacing.shrink",
+ -- extra_space = "spacing.extra",
+ -- em = "quad",
+ -- ex = "xheight",
+ -- slant = "slantperpoint",
+ -- },
+ },
+ descriptions = { description },
+ characters = { character },
+ }
+
+ data.goodies = {
+ -- preamble
+ name = t_string,
+ version = t_string,
+ comment = t_string,
+ author = t_string,
+ copyright = t_string,
+ --
+ remapping = {
+ tounicode = t_boolean,
+ unicodes = {
+ [t_string] = t_index,
+ },
+ },
+ mathematics = {
+ mapfiles = {
+ t_string,
+ },
+ virtuals = {
+ [t_string] = {
+ {
+ name = t_string,
+ features = t_hash,
+ main = t_boolean,
+ extension = t_boolean,
+ vector = t_string,
+ skewchar = t_unicode,
+ parameters = t_boolean,
+ },
+ },
+ },
+ italics = {
+ [t_string] = {
+ defaultfactor = t_float,
+ disableengine = t_boolean,
+ corrections = {
+ [t_unicode] = t_float,
+ }
+ },
+ },
+ kerns = {
+ [t_unicode] = {
+ bottomright = math_kerns,
+ topright = math_kerns,
+ bottomleft = math_kerns,
+ topleft = math_kerns,
+ },
+ },
+ alternates = {
+ [t_string] = {
+ feature = t_hash,
+ value = t_float,
+ comment = t_string,
+ },
+ },
+ variables = {
+ [t_string] = t_value,
+ },
+ parameters = {
+ [t_string] = t_value,
+ [t_string] = t_function,
+ },
+ dimensions = {
+ [t_string] = {
+ [t_unicode] = {
+ width = t_units,
+ height = t_units,
+ depth = t_units,
+ xoffset = t_units,
+ yoffset = t_units,
+ },
+ },
+ },
+ },
+ filenames = {
+ [t_string] = {
+ t_string,
+ },
+ },
+ compositions = {
+ [t_string] = {
+ dy = t_unit,
+ dx = t_unit,
+ [t_unicode] = {
+ dy = t_unit
+ },
+ [t_unicode] = {
+ anchors = {
+ top = {
+ x = t_unit,
+ y = t_unit,
+ },
+ bottom = {
+ x = t_unit,
+ y = t_unit,
+ },
+ },
+ },
+ },
+ },
+ postprocessors = {
+ [t_string] = t_function,
+ },
+ designsizes = {
+ [t_string] = {
+ [t_string] = t_string,
+ default = t_string
+ },
+ },
+ featuresets = {
+ [t_string] = {
+ t_string,
+ [t_keyword] = t_value
+ },
+ },
+ solutions = {
+ experimental = {
+ less = { t_string },
+ more = { t_string },
+ },
+ },
+ stylistics = {
+ [t_string] = t_string,
+ [t_string] = t_string,
+ },
+ colorschemes = {
+ default = {
+ [1] = { t_string },
+ }
+ },
+ files = {
+ name = t_string,
+ list = {
+ [t_string] = {
+ name = t_string,
+ weight = t_string,
+ style = t_string,
+ width = t_string,
+ },
+ },
+ },
+ typefaces = {
+ [t_string] = {
+ shortcut = t_string,
+ shape = t_string,
+ fontname = t_string,
+ normalweight = t_string,
+ boldweight = t_string,
+ width = t_string,
+ size = t_string,
+ features = t_string,
+ },
+ },
+ }
+
+end
+
+-- compatibility (for now)
+
+if fonts.constructors then
+ fonts.constructors.keys = data.scaled
+end
+
+-- handy helpers
+
+local report = logs.reporter("fonts")
+
+function tables.savefont(specification)
+ local method = specification.method
+ local filename = specification.filename
+ local fontname = specification.fontname
+ if not method or method ~= "original" then
+ method = "scaled"
+ end
+ if not filename or filename == "" then
+ filename = "temp-font-" .. method .. ".lua"
+ else
+ filename = file.addsuffix(filename,"lua")
+ end
+ if not fontname or fontname == "" then
+ fontname = true
+ end
+ if fontname == true then
+ report("saving current font in %a",filename)
+ elseif tonumber(fontname) then
+ report("saving font id %a in %a",fontname,filename)
+ fontname = tonumber(fontname)
+ else
+ report("saving font %a in %a",fontname,filename)
+ tfmdata = fonts.definers.define {
+ name = fontname
+ }
+ end
+ if tfmdata then
+ tfmdata = fonts.hashes.identifiers[tfmdata]
+ end
+ if not tfmdata then
+ -- bad news
+ elseif method == "original" then
+ tfmdata = tfmdata.shared and tfmdata.shared.rawdata
+ else
+ tfmdata = {
+ characters = tfmdata.characters,
+ parameters = tfmdata.parameters,
+ properties = tfmdata.properties,
+ specification = tfmdata.specification,
+ }
+ end
+ if tfmdata then
+ table.save(filename,tfmdata)
+ else
+ -- os.remove(filename)
+ report("saving font failed")
+ end
+end
+
+function tables.saveoriginal(filename,specification)
+ local tfmdata = get(specification)
+ if tfmdata then
+ local rawdata = tfmdata.shared and tfmdata.shared.rawdata
+ if rawdata then
+ table.save(filename,rawdata)
+ end
+ end
+end
+
+if context then
+
+ interfaces.implement {
+ name = "savefont",
+ actions = tables.savefont,
+ arguments = {
+ {
+ { "filename" },
+ { "fontname" },
+ { "method" },
+ }
+ },
+ }
+
+end
+
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