diff options
Diffstat (limited to 'tex/context/base/mkxl/math-fbk.lmt')
| -rw-r--r-- | tex/context/base/mkxl/math-fbk.lmt | 454 |
1 files changed, 250 insertions, 204 deletions
diff --git a/tex/context/base/mkxl/math-fbk.lmt b/tex/context/base/mkxl/math-fbk.lmt index 4c58a2bb6..32ad909f7 100644 --- a/tex/context/base/mkxl/math-fbk.lmt +++ b/tex/context/base/mkxl/math-fbk.lmt @@ -7,7 +7,8 @@ if not modules then modules = { } end modules ['math-fbk'] = { } -- This will partly be redone and go via definitions in goodies where we can share --- some across fonts. +-- some across fonts. That makes most sense for those patches that might need some +-- finetuning depending on the font. local next, type = next, type @@ -169,71 +170,6 @@ end -- a few examples: -local function reference(index,char) - if index then - return { "slot", index, char } - else - return charcommand[char] - end -end - -local function raised(data,replacement,down) - local character = data.scriptdata.characters[replacement] - if character then - local size = data.size - return { - width = character.width, - height = character.height, - depth = character.depth, - commands = { - down and downcommand[size/4] or upcommand[size/2], - reference(data.scriptindex,replacement) - } - } - end -end - --- virtualcharacters[0x207A] = 0x2212 --- virtualcharacters[0x207B] = 0x002B --- virtualcharacters[0x208A] = 0x2212 --- virtualcharacters[0x208B] = 0x002B - -virtualcharacters[0x207A] = function(data) return raised(data,0x002B) end -virtualcharacters[0x207B] = function(data) return raised(data,0x2212) end -virtualcharacters[0x208A] = function(data) return raised(data,0x002B,true) end -virtualcharacters[0x208B] = function(data) return raised(data,0x2212,true) end - --- local function repeated(data,char,n,fraction) --- local character = data.characters[char] --- if character then --- local width = character.width --- local delta = width - character.italic -- width * fraction --- local c = charcommand[char] --- local r = rightcommand[right] --- local commands = { } --- for i=1,n-1 do --- width = width + delta --- commands[#commands+1] = c --- commands[#commands+1] = -delta --- end --- commands[#commands+1] = c --- return { --- width = width, --- height = character.height, --- depth = character.depth, --- commands = commands, --- } --- end --- end - --- virtualcharacters[0x222C] = function(data) --- return repeated(data,0x222B,2,1/8) --- end - --- virtualcharacters[0x222D] = function(data) --- return repeated(data,0x222B,3,1/8) --- end - local addextra = mathematics.extras.add addextra(0xFE350) -- MATHEMATICAL DOUBLE ARROW LEFT END @@ -310,8 +246,6 @@ virtualcharacters[0xFE352] = function(data) end end --- we could move the defs from math-act here - local function accent_to_extensible(target,newchr,original,oldchr,height,depth,swap,offset,unicode) local characters = target.characters local olddata = characters[oldchr] @@ -422,53 +356,6 @@ virtualcharacters[0xFE33F] = function(data) return accent_to_extensible(target,0xFE33F,data.original,0x0305,height,depth,nil,nil,0x203E) end --- spacing (no need for a cache of widths) - -local c_zero = byte('0') -local c_period = byte('.') - -local function spacefraction(data,fraction) - local width = fraction * data.target.parameters.space - return { - width = width, - commands = { rightcommand[width] } - } -end - -local function charfraction(data,char) - local width = data.target.characters[char].width - return { - width = width, - commands = { rightcommand[width] } - } -end - -local function quadfraction(data,fraction) - local width = fraction * data.target.parameters.quad - return { - width = width, - commands = { rightcommand[width] } - } -end - -virtualcharacters[0x00A0] = function(data) return spacefraction(data,1) end -- nbsp -virtualcharacters[0x2000] = function(data) return quadfraction (data,1/2) end -- enquad -virtualcharacters[0x2001] = function(data) return quadfraction (data,1) end -- emquad -virtualcharacters[0x2002] = function(data) return quadfraction (data,1/2) end -- enspace -virtualcharacters[0x2003] = function(data) return quadfraction (data,1) end -- emspace -virtualcharacters[0x2004] = function(data) return quadfraction (data,1/3) end -- threeperemspace -virtualcharacters[0x2005] = function(data) return quadfraction (data,1/4) end -- fourperemspace -virtualcharacters[0x2006] = function(data) return quadfraction (data,1/6) end -- sixperemspace -virtualcharacters[0x2007] = function(data) return charfraction (data,c_zero) end -- figurespace -virtualcharacters[0x2008] = function(data) return charfraction (data,c_period) end -- punctuationspace -virtualcharacters[0x2009] = function(data) return quadfraction (data,1/8) end -- breakablethinspace -virtualcharacters[0x200A] = function(data) return quadfraction (data,1/8) end -- hairspace -virtualcharacters[0x200B] = function(data) return quadfraction (data,0) end -- zerowidthspace -virtualcharacters[0x202F] = function(data) return quadfraction (data,1/8) end -- narrownobreakspace -virtualcharacters[0x205F] = function(data) return spacefraction(data,1/2) end -- math thinspace - --- - local function smashed(data,unicode,swap,private) local target = data.target local original = data.original @@ -514,73 +401,250 @@ end virtualcharacters[0xFE302] = function(data) return smashed(data,0x0302,0xFE302) end virtualcharacters[0xFE303] = function(data) return smashed(data,0x0303,0xFE303) end --- another crazy hack .. doesn't work as we define scrscr first .. we now have smaller --- primes so we have smaller primes for the moment, big ones will become an option .. --- these primes in fonts are a real mess .. kind of a dead end, so don't wonder about --- the values below - -local function smashed(data,unicode,optional) - local oldchar = data.characters[unicode] - if oldchar then - local height = 0.85 * data.target.mathparameters.AccentBaseHeight - local newchar = table.copy(oldchar) - newchar.yoffset = height - oldchar.height - newchar.height = height - return newchar - elseif not optional then - report_fallbacks("missing %U prime in font %a",unicode,data.target.properties.fullname) - end -end +--------------------------------------------------------------------------------- +-- these are moved to math-act.lmt +--------------------------------------------------------------------------------- -addextra(0xFE932) -- SMASHED PRIME 0x02032 -addextra(0xFE933) -- SMASHED PRIME 0x02033 -addextra(0xFE934) -- SMASHED PRIME 0x02034 -addextra(0xFE957) -- SMASHED PRIME 0x02057 - -addextra(0xFE935) -- SMASHED BACKWARD PRIME 0x02035 -addextra(0xFE936) -- SMASHED BACKWARD PRIME 0x02036 -addextra(0xFE937) -- SMASHED BACKWARD PRIME 0x02037 - -virtualcharacters[0xFE932] = function(data) return smashed(data,0x02032) end -virtualcharacters[0xFE933] = function(data) return smashed(data,0x02033) end -virtualcharacters[0xFE934] = function(data) return smashed(data,0x02034) end -virtualcharacters[0xFE957] = function(data) return smashed(data,0x02057) end - -virtualcharacters[0xFE935] = function(data) return smashed(data,0x02035,true) end -virtualcharacters[0xFE936] = function(data) return smashed(data,0x02036,true) end -virtualcharacters[0xFE937] = function(data) return smashed(data,0x02037,true) end - -local hack = nil - -function mathematics.getridofprime(target,original) --- local mathsize = specification.mathsize --- if mathsize == 1 or mathsize == 2 or mathsize == 3) then - local mathparameters = original.mathparameters - if mathparameters and next(mathparameters) then - local changed = original.changed - if changed then - hack = changed[0x02032] - changed[0x02032] = nil - changed[0x02033] = nil - changed[0x02034] = nil - changed[0x02057] = nil - changed[0x02035] = nil - changed[0x02036] = nil - changed[0x02037] = nil - end - end -end +-- local function reference(index,char) +-- if index then +-- return { "slot", index, char } +-- else +-- return charcommand[char] +-- end +-- end +-- +-- local function raised(data,replacement,down) +-- local character = data.scriptdata.characters[replacement] +-- if character then +-- local size = data.size +-- return { +-- width = character.width, +-- height = character.height, +-- depth = character.depth, +-- commands = { +-- down and downcommand[size/4] or upcommand[size/2], +-- reference(data.scriptindex,replacement) +-- } +-- } +-- end +-- end +-- +-- virtualcharacters[0x207A] = function(data) return raised(data,0x002B) end +-- virtualcharacters[0x207B] = function(data) return raised(data,0x2212) end +-- virtualcharacters[0x208A] = function(data) return raised(data,0x002B,true) end +-- virtualcharacters[0x208B] = function(data) return raised(data,0x2212,true) end -function mathematics.setridofprime(target,original) - local mathparameters = original.mathparameters - if mathparameters and next(mathparameters) and original.changed then - target.characters[0xFE931] = target.characters[hack or 0x2032] - hack = nil - end -end +--------------------------------------------------------------------------------- +-- these are moved to math-act.lmt +--------------------------------------------------------------------------------- -utilities.sequencers.appendaction("beforecopyingcharacters","system","mathematics.getridofprime") -utilities.sequencers.appendaction("aftercopyingcharacters", "system","mathematics.setridofprime") +-- local function repeated(data,char,n,fraction) +-- local character = data.characters[char] +-- if character then +-- local width = character.width +-- local delta = width - character.italic -- width * fraction +-- local c = charcommand[char] +-- local r = rightcommand[right] +-- local commands = { } +-- for i=1,n-1 do +-- width = width + delta +-- commands[#commands+1] = c +-- commands[#commands+1] = -delta +-- end +-- commands[#commands+1] = c +-- return { +-- width = width, +-- height = character.height, +-- depth = character.depth, +-- commands = commands, +-- } +-- end +-- end +-- +-- virtualcharacters[0x222C] = function(data) +-- return repeated(data,0x222B,2,1/8) +-- end +-- +-- virtualcharacters[0x222D] = function(data) +-- return repeated(data,0x222B,3,1/8) +-- end + +--------------------------------------------------------------------------------- +-- these are moved to math-act.lmt +--------------------------------------------------------------------------------- + +-- -- spacing (no need for a cache of widths) +-- +-- local c_zero = byte('0') +-- local c_period = byte('.') +-- +-- local function spacefraction(data,fraction) +-- local width = fraction * data.target.parameters.space +-- return { +-- width = width, +-- -- commands = { rightcommand[width] } +-- } +-- end +-- +-- local function charfraction(data,char) +-- local width = data.target.characters[char].width +-- return { +-- width = width, +-- -- commands = { rightcommand[width] } +-- } +-- end +-- +-- local function quadfraction(data,fraction) +-- local width = fraction * data.target.parameters.quad +-- return { +-- width = width, +-- -- commands = { rightcommand[width] } +-- } +-- end +-- +-- virtualcharacters[0x00A0] = function(data) return spacefraction(data,1) end -- nbsp +-- virtualcharacters[0x2000] = function(data) return quadfraction (data,1/2) end -- enquad +-- virtualcharacters[0x2001] = function(data) return quadfraction (data,1) end -- emquad +-- virtualcharacters[0x2002] = function(data) return quadfraction (data,1/2) end -- enspace +-- virtualcharacters[0x2003] = function(data) return quadfraction (data,1) end -- emspace +-- virtualcharacters[0x2004] = function(data) return quadfraction (data,1/3) end -- threeperemspace +-- virtualcharacters[0x2005] = function(data) return quadfraction (data,1/4) end -- fourperemspace +-- virtualcharacters[0x2006] = function(data) return quadfraction (data,1/6) end -- sixperemspace +-- virtualcharacters[0x2007] = function(data) return charfraction (data,c_zero) end -- figurespace +-- virtualcharacters[0x2008] = function(data) return charfraction (data,c_period) end -- punctuationspace +-- virtualcharacters[0x2009] = function(data) return quadfraction (data,1/8) end -- breakablethinspace +-- virtualcharacters[0x200A] = function(data) return quadfraction (data,1/8) end -- hairspace +-- virtualcharacters[0x200B] = function(data) return quadfraction (data,0) end -- zerowidthspace +-- virtualcharacters[0x202F] = function(data) return quadfraction (data,1/8) end -- narrownobreakspace +-- virtualcharacters[0x205F] = function(data) return spacefraction(data,1/2) end -- math thinspace + +-- -- another crazy hack .. doesn't work as we define scrscr first .. we now have smaller +-- -- primes so we have smaller primes for the moment, big ones will become an option .. +-- -- these primes in fonts are a real mess .. kind of a dead end, so don't wonder about +-- -- the values below +-- +-- local function smashed(data,unicode,optional) +-- local oldchar = data.characters[unicode] +-- if oldchar then +-- local height = 0.85 * data.target.mathparameters.AccentBaseHeight +-- local newchar = table.copy(oldchar) +-- newchar.yoffset = height - oldchar.height +-- newchar.height = height +-- return newchar +-- elseif not optional then +-- report_fallbacks("missing %U prime in font %a",unicode,data.target.properties.fullname) +-- end +-- end +-- +-- addextra(0xFE932) -- SMASHED PRIME 0x02032 +-- addextra(0xFE933) -- SMASHED PRIME 0x02033 +-- addextra(0xFE934) -- SMASHED PRIME 0x02034 +-- addextra(0xFE957) -- SMASHED PRIME 0x02057 +-- +-- addextra(0xFE935) -- SMASHED BACKWARD PRIME 0x02035 +-- addextra(0xFE936) -- SMASHED BACKWARD PRIME 0x02036 +-- addextra(0xFE937) -- SMASHED BACKWARD PRIME 0x02037 +-- +-- virtualcharacters[0xFE932] = function(data) return smashed(data,0x02032) end +-- virtualcharacters[0xFE933] = function(data) return smashed(data,0x02033) end +-- virtualcharacters[0xFE934] = function(data) return smashed(data,0x02034) end +-- virtualcharacters[0xFE957] = function(data) return smashed(data,0x02057) end +-- +-- virtualcharacters[0xFE935] = function(data) return smashed(data,0x02035,true) end +-- virtualcharacters[0xFE936] = function(data) return smashed(data,0x02036,true) end +-- virtualcharacters[0xFE937] = function(data) return smashed(data,0x02037,true) end +-- +-- local hack = nil +-- +-- function mathematics.getridofprime(target,original) +-- local mathparameters = original.mathparameters +-- if mathparameters and next(mathparameters) then +-- local changed = original.changed +-- if changed then +-- hack = changed[0x02032] +-- changed[0x02032] = nil +-- changed[0x02033] = nil +-- changed[0x02034] = nil +-- changed[0x02057] = nil +-- changed[0x02035] = nil +-- changed[0x02036] = nil +-- changed[0x02037] = nil +-- end +-- end +-- end +-- +-- function mathematics.setridofprime(target,original) +-- local mathparameters = original.mathparameters +-- if mathparameters and next(mathparameters) and original.changed then +-- target.characters[0xFE931] = target.characters[hack or 0x2032] +-- hack = nil +-- end +-- end +-- +-- utilities.sequencers.appendaction("beforecopyingcharacters","system","mathematics.getridofprime") +-- utilities.sequencers.appendaction("aftercopyingcharacters", "system","mathematics.setridofprime") + +-- local list = { +-- { 0x02032, true }, +-- { 0x02033, true }, +-- { 0x02034, true }, +-- { 0x02057, true }, +-- { 0x02035, false }, +-- { 0x02036, false }, +-- { 0x02037, false }, +-- } +-- +-- function mathematics.fixprimes(target,original) +-- local mathparameters = original.mathparameters +-- if mathparameters and next(mathparameters) then +-- for i=1,#list do +-- local entry = list[i] +-- local char = original.characters[entry[1]] +-- if char then +-- local height = 0.85 * orginal.mathparameters.AccentBaseHeight +-- char.yoffset = height - char.height +-- char.height = height +-- return char +-- elseif entry[1] then +-- report_fallbacks("missing %U prime in font %a",unicode,original.properties.fullname) +-- end +-- end +-- end +-- end +-- +-- utilities.sequencers.appendaction("beforecopyingcharacters","system","mathematics.fixprimes") + +--------------------------------------------------------------------------------- +-- this one is not used +--------------------------------------------------------------------------------- + +-- addextra(0xFE941) -- EXTREMELY IDENTICAL TO +-- +-- virtualcharacters[0xFE941] = function(data) -- this character is only needed for mathpairs +-- local characters = data.target.characters +-- local parameters = data.target.parameters +-- local basechar = characters[0x003D] +-- local width = basechar.width or 0 +-- local height = basechar.height or 0 +-- local depth = basechar.depth or 0 +-- return { +-- unicode = 0xFE941, +-- width = width, +-- height = height, -- we cheat (no time now) +-- depth = depth, -- we cheat (no time now) +-- commands = { +-- upcommand[height/2], -- sort of works +-- charcommand[0x003D], +-- leftcommand[width], +-- downcommand[height], -- sort of works +-- charcommand[0x003D], +-- }, +-- } +-- end + +--------------------------------------------------------------------------------- +-- these might move to math-act.lmt +--------------------------------------------------------------------------------- -- actuarian (beware: xits has an ugly one) @@ -638,31 +702,9 @@ virtualcharacters[0x2A75] = function(data) return equals(data,0x2A75,0x003D, 1/5 virtualcharacters[0x2A76] = function(data) return equals(data,0x2A76,0x003D, 1/5,3) end -- === virtualcharacters[0x2980] = function(data) return equals(data,0x2980,0x007C,-1/8,3) end -- ||| --- addextra(0xFE941) -- EXTREMELY IDENTICAL TO --- --- virtualcharacters[0xFE941] = function(data) -- this character is only needed for mathpairs --- local characters = data.target.characters --- local parameters = data.target.parameters --- local basechar = characters[0x003D] --- local width = basechar.width or 0 --- local height = basechar.height or 0 --- local depth = basechar.depth or 0 --- return { --- unicode = 0xFE941, --- width = width, --- height = height, -- we cheat (no time now) --- depth = depth, -- we cheat (no time now) --- commands = { --- upcommand[height/2], -- sort of works --- charcommand[0x003D], --- leftcommand[width], --- downcommand[height], -- sort of works --- charcommand[0x003D], --- }, --- } --- end - --- lucida needs this +--------------------------------------------------------------------------------- +-- these might move to math-act.lmt -- lucida needs this +--------------------------------------------------------------------------------- virtualcharacters[0x305] = function(data) local target = data.target @@ -693,6 +735,10 @@ virtualcharacters[0x305] = function(data) } end +--------------------------------------------------------------------------------- +-- these might move to math-act.lmt +--------------------------------------------------------------------------------- + local function threedots(data,shift) local characters = data.target.characters local parameters = data.target.parameters |