[*] reorganize src/ subtree

This moves the fontloader files into a separate subdirectory to simplify
maintainance.

1 files changed, 0 insertions, 272 deletions

diff --git a/src/luaotfload-fonts-ext.lua b/src/luaotfload-fonts-ext.lua
deleted file mode 100644
index b60d045..0000000
--- a/src/luaotfload-fonts-ext.lua
+++ /dev/null
@@ -1,272 +0,0 @@
-if not modules then modules = { } end modules ['luatex-fonts-ext'] = {
-    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"
-}
-
-if context then
-    texio.write_nl("fatal error: this module is not for context")
-    os.exit()
-end
-
-local fonts       = fonts
-local otffeatures = fonts.constructors.newfeatures("otf")
-
--- A few generic extensions.
-
-local function initializeitlc(tfmdata,value)
-    if value then
-        -- the magic 40 and it formula come from Dohyun Kim but we might need another guess
-        local parameters = tfmdata.parameters
-        local italicangle = parameters.italicangle
-        if italicangle and italicangle ~= 0 then
-            local properties = tfmdata.properties
-            local factor = tonumber(value) or 1
-            properties.hasitalics = true
-            properties.autoitalicamount = factor * (parameters.uwidth or 40)/2
-        end
-    end
-end
-
-otffeatures.register {
-    name        = "itlc",
-    description = "italic correction",
-    initializers = {
-        base = initializeitlc,
-        node = initializeitlc,
-    }
-}
-
--- slant and extend
-
-local function initializeslant(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.parameters.slantfactor = value
-end
-
-otffeatures.register {
-    name        = "slant",
-    description = "slant glyphs",
-    initializers = {
-        base = initializeslant,
-        node = initializeslant,
-    }
-}
-
-local function initializeextend(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.parameters.extendfactor = value
-end
-
-otffeatures.register {
-    name        = "extend",
-    description = "scale glyphs horizontally",
-    initializers = {
-        base = initializeextend,
-        node = initializeextend,
-    }
-}
-
--- expansion and protrusion
-
-fonts.protrusions        = fonts.protrusions        or { }
-fonts.protrusions.setups = fonts.protrusions.setups or { }
-
-local setups = fonts.protrusions.setups
-
-local function initializeprotrusion(tfmdata,value)
-    if 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.parameters.protrusion = {
-                auto = 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
-
-otffeatures.register {
-    name        = "protrusion",
-    description = "shift characters into the left and or right margin",
-    initializers = {
-        base = initializeprotrusion,
-        node = initializeprotrusion,
-    }
-}
-
-fonts.expansions         = fonts.expansions        or { }
-fonts.expansions.setups  = fonts.expansions.setups or { }
-
-local setups = fonts.expansions.setups
-
-local function initializeexpansion(tfmdata,value)
-    if value then
-        local setup = setups[value]
-        if setup then
-            local factor = setup.factor or 1
-            tfmdata.parameters.expansion = {
-                stretch = 10 * (setup.stretch or 0),
-                shrink  = 10 * (setup.shrink  or 0),
-                step    = 10 * (setup.step    or 0),
-                auto    = 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 -- can be option
-                    chr.expansion_factor = factor
-                end
-            end
-        end
-    end
-end
-
-otffeatures.register {
-    name        = "expansion",
-    description = "apply hz optimization",
-    initializers = {
-        base = initializeexpansion,
-        node = initializeexpansion,
-    }
-}
-
--- left over
-
-function fonts.loggers.onetimemessage() end
-
--- example vectors
-
-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    }, -- comma
-    [0x002E] = { 0, 1    }, -- period
-    [0x003A] = { 0, 1    }, -- colon
-    [0x003B] = { 0, 1    }, -- semicolon
-    [0x002D] = { 0, 1    }, -- hyphen
-    [0x2013] = { 0, 0.50 }, -- endash
-    [0x2014] = { 0, 0.33 }, -- emdash
-    [0x3001] = { 0, 1    }, -- ideographic comma      、
-    [0x3002] = { 0, 1    }, -- ideographic full stop  。
-    [0x060C] = { 0, 1    }, -- arabic comma           ،
-    [0x061B] = { 0, 1    }, -- arabic semicolon       ؛
-    [0x06D4] = { 0, 1    }, -- arabic full stop       ۔
-
-}
-
--- normalizer
-
-fonts.handlers.otf.features.normalize = function(t)
-    if t.rand then
-        t.rand = "random"
-    end
-    return t
-end
-
--- bonus
-
-function fonts.helpers.nametoslot(name)
-    local t = type(name)
-    if t == "string" then
-        local tfmdata = fonts.hashes.identifiers[currentfont()]
-        local shared  = tfmdata and tfmdata.shared
-        local fntdata = shared and shared.rawdata
-        return fntdata and fntdata.resources.unicodes[name]
-    elseif t == "number" then
-        return n
-    end
-end
-
--- \font\test=file:somefont:reencode=mymessup
---
---  fonts.encodings.reencodings.mymessup = {
---      [109] = 110, -- m
---      [110] = 109, -- n
---  }
-
-fonts.encodings             = fonts.encodings or { }
-local reencodings           = { }
-fonts.encodings.reencodings = reencodings
-
-local function specialreencode(tfmdata,value)
-    -- we forget about kerns as we assume symbols and we
-    -- could issue a message if ther are kerns but it's
-    -- a hack anyway so we odn't care too much here
-    local encoding = value and reencodings[value]
-    if encoding then
-        local temp = { }
-        local char = tfmdata.characters
-        for k, v in next, encoding do
-            temp[k] = char[v]
-        end
-        for k, v in next, temp do
-            char[k] = temp[k]
-        end
-        -- if we use the font otherwise luatex gets confused so
-        -- we return an additional hash component for fullname
-        return string.format("reencoded:%s",value)
-    end
-end
-
-local function reencode(tfmdata,value)
-    tfmdata.postprocessors = tfmdata.postprocessors or { }
-    table.insert(tfmdata.postprocessors,
-        function(tfmdata)
-            return specialreencode(tfmdata,value)
-        end
-    )
-end
-
-otffeatures.register {
-    name         = "reencode",
-    description  = "reencode characters",
-    manipulators = {
-        base = reencode,
-        node = reencode,
-    }
-}