diff options
Diffstat (limited to 'tex/context/base/mkxl/good-mth.lmt')
| -rw-r--r-- | tex/context/base/mkxl/good-mth.lmt | 567 |
1 files changed, 281 insertions, 286 deletions
diff --git a/tex/context/base/mkxl/good-mth.lmt b/tex/context/base/mkxl/good-mth.lmt index 033b2cb88..0c8311efe 100644 --- a/tex/context/base/mkxl/good-mth.lmt +++ b/tex/context/base/mkxl/good-mth.lmt @@ -26,11 +26,9 @@ local trace_defining = false trackers.register("math.defining", function( local report_math = logs.reporter("mathematics","initializing") local nuts = nodes.nuts - local setlink = nuts.setlink local nodepool = nuts.pool - local new_kern = nodepool.kern local new_glyph = nodepool.glyph local new_hlist = nodepool.hlist @@ -38,174 +36,6 @@ local new_vlist = nodepool.vlist local insertnodeafter = nuts.insertafter -local helpers = fonts.helpers -local upcommand = helpers.commands.up -local rightcommand = helpers.commands.right -local charcommand = helpers.commands.char -local prependcommands = helpers.prependcommands - --- experiment, we have to load the definitions immediately as they precede --- the definition so they need to be initialized in the typescript - -local function withscriptcode(tfmdata,unicode,data,action) - if type(unicode) == "string" then - local p, u = match(unicode,"^(.-):(.-)$") - if u then - u = tonumber(u) - if u then - local slots = fonts.helpers.mathscriptslots(tfmdata,u) - if slots then - if p == "*" then - action(u,data) - if type(slots) == "number" then - action(slots,data) - else - for i=1,#slots do - action(slots[i],data) - end - end - else - p = tonumber(p) - if p then - if type(slots) == "number" then - action(slots,data) - else - action(slots[p],data) - end - end - end - end - end - end - else - action(unicode,data) - end -end - -local function finalize(tfmdata,feature,value,...) --- if tfmdata.mathparameters then -- funny, cambria text has this - local goodies = tfmdata.goodies - if goodies then - local virtualized = mathematics.virtualized - for i=1,#goodies do - local goodie = goodies[i] - local mathematics = goodie.mathematics - local dimensions = mathematics and mathematics.dimensions - if dimensions then - if trace_defining then - report_math("overloading dimensions in %a @ %p",tfmdata.properties.fullname,tfmdata.parameters.size) - end - local characters = tfmdata.characters - local descriptions = tfmdata.descriptions - local parameters = tfmdata.parameters - local factor = parameters.factor - local hfactor = parameters.hfactor - local vfactor = parameters.vfactor - -- - tfmdata.type = "virtual" - tfmdata.properties.virtualized = true - -- - local function overloadone(unicode,data) - local character = characters[unicode] - if not character then - local c = virtualized[unicode] - if c then - character = characters[c] - end - end - if character then - local width = data.width - local height = data.height - local depth = data.depth - if trace_defining and (width or height or depth) then - report_math("overloading dimensions of %C, width %p, height %p, depth %p", - unicode,width or 0,height or 0,depth or 0) - end - if width then character.width = width * hfactor end - if height then character.height = height * vfactor end - if depth then character.depth = depth * vfactor end - -- - local xoffset = data.xoffset - local yoffset = data.yoffset - if xoffset == "llx" then - local d = descriptions[unicode] - if d then - xoffset = - d.boundingbox[1] - character.width = character.width + xoffset * hfactor - xoffset = rightcommand[xoffset] - else - xoffset = nil - end - elseif xoffset and xoffset ~= 0 then - xoffset = rightcommand[xoffset * hfactor] - else - xoffset = nil - end - if yoffset and yoffset ~= 0 then - yoffset = upcommand[yoffset * vfactor] - else - yoffset = nil - end - if xoffset or yoffset then - local commands = character.commands - if commands then - prependcommands(commands,yoffset,xoffset) - else --- character.commands = { { "offset", xoffset or 0, yoffset or 0, unicode } } - local slot = charcommand[unicode] - if xoffset and yoffset then - character.commands = { xoffset, yoffset, slot } - elseif xoffset then - character.commands = { xoffset, slot } - else - character.commands = { yoffset, slot } - end - end - end - elseif trace_defining then - report_math("no overloading dimensions of %C, not in font",unicode) - end - end - local function overload(dimensions) - for unicode, data in next, dimensions do - withscriptcode(tfmdata,unicode,data,overloadone) - end - end - if value == nil then - value = { "default" } - end - if value == "all" or value == true then - for name, value in next, dimensions do - overload(value) - end - else - if type(value) == "string" then - value = utilities.parsers.settings_to_array(value) - end - if type(value) == "table" then - for i=1,#value do - local d = dimensions[value[i]] - if d then - overload(d) - end - end - end - end - end - end - end -end - -registerotffeature { - name = "mathdimensions", - description = "manipulate math dimensions", - -- default = true, - manipulators = { - base = finalize, - node = finalize, - } -} - local function initialize(goodies) local mathgoodies = goodies.mathematics if mathgoodies then @@ -233,122 +63,6 @@ end fontgoodies.register("mathematics", initialize) --- local enabled = false directives.register("fontgoodies.mathkerning",function(v) enabled = v end) - -local function initialize(tfmdata) --- if enabled and tfmdata.mathparameters then -- funny, cambria text has this - if tfmdata.mathparameters then -- funny, cambria text has this - local goodies = tfmdata.goodies - if goodies then - local characters = tfmdata.characters - if characters[0x1D44E] then -- 119886 - -- we have at least an italic a - for i=1,#goodies do - local mathgoodies = goodies[i].mathematics - if mathgoodies then - local kerns = mathgoodies.kerns - if kerns then - local function kernone(unicode,data) - local chardata = characters[unicode] - if chardata and (not chardata.mathkerns or data.force) then - chardata.mathkerns = data - end - end - for unicode, data in next, kerns do - withscriptcode(tfmdata,unicode,data,kernone) - end - return - end - end - end - else - return -- no proper math font anyway - end - end - end -end - -registerotffeature { - name = "mathkerns", - description = "math kerns", - -- default = true, - initializers = { - base = initialize, - node = initialize, - } -} - --- math italics (not really needed) --- --- it would be nice to have a \noitalics\font option - -local function initialize(tfmdata) - local goodies = tfmdata.goodies - if goodies then - local shared = tfmdata.shared - for i=1,#goodies do - local mathgoodies = goodies[i].mathematics - if mathgoodies then - local mathitalics = mathgoodies.italics - if mathitalics then - local properties = tfmdata.properties - if properties.setitalics then - mathitalics = mathitalics[file.nameonly(properties.name)] or mathitalics - if mathitalics then - if trace_goodies then - report_goodies("loading mathitalics for font %a",properties.name) - end - local corrections = mathitalics.corrections - local defaultfactor = mathitalics.defaultfactor - -- properties.mathitalic_defaultfactor = defaultfactor -- we inherit outer one anyway (name will change) - if corrections then - fontgoodies.registerpostprocessor(tfmdata, function(tfmdata) -- this is another tfmdata (a copy) - -- better make a helper so that we have less code being defined - local properties = tfmdata.properties - local parameters = tfmdata.parameters - local characters = tfmdata.characters - properties.mathitalic_defaultfactor = defaultfactor - properties.mathitalic_defaultvalue = defaultfactor * parameters.quad - if trace_goodies then - report_goodies("assigning mathitalics for font %a",properties.name) - end - local quad = parameters.quad - local hfactor = parameters.hfactor - for k, v in next, corrections do - local c = characters[k] - if c then - if v > -1 and v < 1 then - c.italic = v * quad - else - c.italic = v * hfactor - end - else - report_goodies("invalid mathitalics entry %U for font %a",k,properties.name) - end - end - end) - end - return -- maybe not as these can accumulate - end - end - end - end - end - end -end - -registerotffeature { - name = "mathitalics", - description = "additional math italic corrections", - -- default = true, - initializers = { - base = initialize, - node = initialize, - } -} - --- fontgoodies.register("mathitalics", initialize) - local function mathradicalaction(n,h,v,font,mchar,echar) local characters = fontcharacters[font] local mchardata = characters[mchar] @@ -471,3 +185,284 @@ registerotffeature { node = initialize, } } + +-- local helpers = fonts.helpers +-- local upcommand = helpers.commands.up +-- local rightcommand = helpers.commands.right +-- local charcommand = helpers.commands.char +-- local prependcommands = helpers.prependcommands +-- +-- -- experiment, we have to load the definitions immediately as they precede +-- -- the definition so they need to be initialized in the typescript +-- +-- local function withscriptcode(tfmdata,unicode,data,action) +-- if type(unicode) == "string" then +-- local p, u = match(unicode,"^(.-):(.-)$") +-- if u then +-- u = tonumber(u) +-- if u then +-- local slots = helpers.mathscriptslots(tfmdata,u) +-- if slots then +-- if p == "*" then +-- action(u,data) +-- if type(slots) == "number" then +-- action(slots,data) +-- else +-- for i=1,#slots do +-- action(slots[i],data) +-- end +-- end +-- else +-- p = tonumber(p) +-- if p then +-- if type(slots) == "number" then +-- action(slots,data) +-- else +-- action(slots[p],data) +-- end +-- end +-- end +-- end +-- end +-- end +-- else +-- action(unicode,data) +-- end +-- end +-- +-- local function finalize(tfmdata,feature,value,...) +-- -- if tfmdata.mathparameters then -- funny, cambria text has this +-- local goodies = tfmdata.goodies +-- if goodies then +-- local virtualized = mathematics.virtualized +-- for i=1,#goodies do +-- local goodie = goodies[i] +-- local mathematics = goodie.mathematics +-- local dimensions = mathematics and mathematics.dimensions +-- if dimensions then +-- if trace_defining then +-- report_math("overloading dimensions in %a @ %p",tfmdata.properties.fullname,tfmdata.parameters.size) +-- end +-- local characters = tfmdata.characters +-- local descriptions = tfmdata.descriptions +-- local parameters = tfmdata.parameters +-- local factor = parameters.factor +-- local hfactor = parameters.hfactor +-- local vfactor = parameters.vfactor +-- -- +-- tfmdata.type = "virtual" +-- tfmdata.properties.virtualized = true +-- -- +-- local function overloadone(unicode,data) +-- local character = characters[unicode] +-- if not character then +-- local c = virtualized[unicode] +-- if c then +-- character = characters[c] +-- end +-- end +-- if character then +-- local width = data.width +-- local height = data.height +-- local depth = data.depth +-- if trace_defining and (width or height or depth) then +-- report_math("overloading dimensions of %C, width %p, height %p, depth %p", +-- unicode,width or 0,height or 0,depth or 0) +-- end +-- if width then character.width = width * hfactor end +-- if height then character.height = height * vfactor end +-- if depth then character.depth = depth * vfactor end +-- -- +-- local xoffset = data.xoffset +-- local yoffset = data.yoffset +-- if xoffset == "llx" then +-- local d = descriptions[unicode] +-- if d then +-- xoffset = - d.boundingbox[1] +-- character.width = character.width + xoffset * hfactor +-- xoffset = rightcommand[xoffset] +-- else +-- xoffset = nil +-- end +-- elseif xoffset and xoffset ~= 0 then +-- xoffset = rightcommand[xoffset * hfactor] +-- else +-- xoffset = nil +-- end +-- if yoffset and yoffset ~= 0 then +-- yoffset = upcommand[yoffset * vfactor] +-- else +-- yoffset = nil +-- end +-- if xoffset or yoffset then +-- local commands = character.commands +-- if commands then +-- prependcommands(commands,yoffset,xoffset) +-- else +-- -- character.commands = { { "offset", xoffset or 0, yoffset or 0, unicode } } +-- local slot = charcommand[unicode] +-- if xoffset and yoffset then +-- character.commands = { xoffset, yoffset, slot } +-- elseif xoffset then +-- character.commands = { xoffset, slot } +-- else +-- character.commands = { yoffset, slot } +-- end +-- end +-- end +-- elseif trace_defining then +-- report_math("no overloading dimensions of %C, not in font",unicode) +-- end +-- end +-- local function overload(dimensions) +-- for unicode, data in next, dimensions do +-- withscriptcode(tfmdata,unicode,data,overloadone) +-- end +-- end +-- if value == nil then +-- value = { "default" } +-- end +-- if value == "all" or value == true then +-- for name, value in next, dimensions do +-- overload(value) +-- end +-- else +-- if type(value) == "string" then +-- value = utilities.parsers.settings_to_array(value) +-- end +-- if type(value) == "table" then +-- for i=1,#value do +-- local d = dimensions[value[i]] +-- if d then +-- overload(d) +-- end +-- end +-- end +-- end +-- end +-- end +-- end +-- end +-- +-- registerotffeature { +-- name = "mathdimensions", +-- description = "manipulate math dimensions", +-- -- default = true, +-- manipulators = { +-- base = finalize, +-- node = finalize, +-- } +-- } + +-- local enabled = false directives.register("fontgoodies.mathkerning",function(v) enabled = v end) +-- +-- local function initialize(tfmdata) +-- if tfmdata.mathparameters then -- funny, cambria text has this +-- local goodies = tfmdata.goodies +-- if goodies then +-- local characters = tfmdata.characters +-- if characters[0x1D44E] then -- 119886 +-- -- we have at least an italic a +-- for i=1,#goodies do +-- local mathgoodies = goodies[i].mathematics +-- if mathgoodies then +-- local kerns = mathgoodies.kerns +-- if kerns then +-- local function kernone(unicode,data) +-- local chardata = characters[unicode] +-- if chardata and (not chardata.mathkerns or data.force) then +-- chardata.mathkerns = data +-- end +-- end +-- for unicode, data in next, kerns do +-- withscriptcode(tfmdata,unicode,data,kernone) +-- end +-- return +-- end +-- end +-- end +-- else +-- return -- no proper math font anyway +-- end +-- end +-- end +-- end +-- +-- registerotffeature { +-- name = "mathkerns", +-- description = "math kerns", +-- -- default = true, +-- initializers = { +-- base = initialize, +-- node = initialize, +-- } +-- } + +-- -- math italics (not really needed) +-- +-- local function initialize(tfmdata) +-- local goodies = tfmdata.goodies +-- if goodies then +-- local shared = tfmdata.shared +-- for i=1,#goodies do +-- local mathgoodies = goodies[i].mathematics +-- if mathgoodies then +-- local mathitalics = mathgoodies.italics +-- if mathitalics then +-- local properties = tfmdata.properties +-- if properties.setitalics then +-- mathitalics = mathitalics[file.nameonly(properties.name)] or mathitalics +-- if mathitalics then +-- if trace_goodies then +-- report_goodies("loading mathitalics for font %a",properties.name) +-- end +-- local corrections = mathitalics.corrections +-- local defaultfactor = mathitalics.defaultfactor +-- -- properties.mathitalic_defaultfactor = defaultfactor -- we inherit outer one anyway (name will change) +-- if corrections then +-- fontgoodies.registerpostprocessor(tfmdata, function(tfmdata) -- this is another tfmdata (a copy) +-- -- better make a helper so that we have less code being defined +-- local properties = tfmdata.properties +-- local parameters = tfmdata.parameters +-- local characters = tfmdata.characters +-- properties.mathitalic_defaultfactor = defaultfactor +-- properties.mathitalic_defaultvalue = defaultfactor * parameters.quad +-- if trace_goodies then +-- report_goodies("assigning mathitalics for font %a",properties.name) +-- end +-- local quad = parameters.quad +-- local hfactor = parameters.hfactor +-- for k, v in next, corrections do +-- local c = characters[k] +-- if c then +-- if v > -1 and v < 1 then +-- c.italic = v * quad +-- else +-- c.italic = v * hfactor +-- end +-- else +-- report_goodies("invalid mathitalics entry %U for font %a",k,properties.name) +-- end +-- end +-- end) +-- end +-- return -- maybe not as these can accumulate +-- end +-- end +-- end +-- end +-- end +-- end +-- end +-- +-- registerotffeature { +-- name = "mathitalics", +-- description = "additional math italic corrections", +-- -- default = true, +-- initializers = { +-- base = initialize, +-- node = initialize, +-- } +-- } +-- +-- -- fontgoodies.register("mathitalics", initialize) |