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-- This font is under active development so we don't want to tweek it too much
-- before all issues are sorted out.
local common = fonts.goodies.load("common-math.lfg")
local presets = common.mathematics.tweaks.presets
return {
name = "xcharter-math",
version = "1.00",
comment = "Goodies that complement xcharter math.",
author = "Hans Hagen & Mikael Sundqvist",
copyright = "ConTeXt development team",
mathematics = {
parameters = {
-- NoLimitSupFactor = 0,
-- NoLimitSubFactor = 900,
-- AccentBaseHeight = 0,
-- AccentBaseDepth = 60,
-- RadicalDegreeBottomRaisePercent = 55,
-- RadicalKernAfterDegree = -600,
-- RadicalRuleThickness = 45, -- 55 in font
-- DelimiterPercent = 90,
-- DelimiterShortfall = 400,
-- DisplayOperatorMinHeight = 1800, -- 1300 in font (one size)
SubscriptShiftDown = 200, -- 300 in font
SubscriptShiftDownWithSuperscript = "1.3*SubscriptShiftDown", -- 1.5* in math-act
PrimeShiftUp = "1.2*SuperscriptShiftUp",
PrimeShiftUpCramped = "1.2*SuperscriptShiftUp",
},
tweaks = {
aftercopying = {
{
tweak = "fixprimes",
factor = 0.92,
-- scale = 1,
},
{
tweak = "addmirrors",
},
{
tweak = "dimensions",
list = {
-- ["0x222B.variants.*"] = { axis = 0.15 },
},
},
{
-- tweak = "fixintegrals",
},
presets.scripttocalligraphic { },
presets.rsfstoscript { },
presets.rsfsuprighttoscript { },
presets.moderntocalligraphic { },
presets.eulertocalligraphic { },
presets.xitsarabic { rscale = 0.90 },
presets.fallbacks { },
presets.moveitalics { correct = true },
presets.moveitalics { correct = true, letters = true },
presets.moveintegrals { factor = 1.5 },
presets.wipeitalics { },
{
tweak = "kerns",
list = {
[0x002F] = { topleft = -0.15, bottomright = -0.15 },
["0x7D.parts.top"] = { topright = -0.15, }, -- right brace top
["0x7D.parts.bottom"] = { bottomright = -0.15 }, -- right brace bottom
["0x7D.variants.*"] = { topright = -0.05, bottomright = -0.05 }, -- right brace variants
["0x29.parts.top"] = { topright = -0.1, }, -- right parenthesis top
["0x29.parts.bottom"] = { bottomright = -0.1 }, -- right parenthesis bottom
["0x29.variants.*"] = { topright = -0.1, bottomright = -0.1 }, -- right parenthesis variants
["0x221A.parts.top"] = { topright = 0.2, }, -- right radical top
["0x221A.parts.bottom"] = { bottomright = 0.2 }, -- right radical bottom
["0x221A.variants.*"] = { topright = 0.2, bottomright = 0.2 }, -- right radical variants
[0x27E9] = { topright = -0.1, bottomright = -0.1 }, -- angle
["0x27E9.variants.*"] = { topright = -0.2, bottomright = -0.2 },
[0x27EB] = { topright = -0.1, bottomright = -0.1 },
["0x27EB.variants.*"] = { topright = -0.2, bottomright = -0.2 },
--
[0x00393] = { bottomright = -0.20, }, -- upright Gamma
},
},
{
tweak = "radicaldegreeanchors",
list = {
-- [0x221A] = { location = "left", hfactor = .1, vfactor = .3 },
-- ["0x221A.variants.*"] = { location = "left", hfactor = .1, vfactor = .625 },
-- ["0x221A.variants.1"] = { location = "left", hfactor = .1, vfactor = .575 },
-- ["0x221A.variants.2"] = { location = "left", hfactor = .1, vfactor = .575 },
-- ["0x221A.variants.3"] = { location = "left", hfactor = .1, vfactor = .55 },
-- ["0x221A.variants.4"] = { location = "left", hfactor = .1, vfactor = .55 },
-- ["0x221A.variants.5"] = { location = "left", hfactor = .1, vfactor = .55 },
-- ["0x221A.variants.5"] = { location = "left", hfactor = .1, vfactor = .55 },
-- ["0x221Aq.variants.6"] = { location = "left", hfactor = .1, vfactor = .55 },
-- ["0x221A.parts.top"] = { location = "left", hfactor = .1, vfactor = 5.5 }, -- keep commented: bottom wins over top
["0x221A.parts.bottom"] = { location = "left", hfactor = .1, vfactor = 1.025 },
}
},
{
tweak = "checkspacing",
},
{
tweak = "addscripts",
},
{
tweak = "accentdimensions",
},
{
tweak = "addrules",
},
{
tweak = "addactuarian",
},
{
tweak = "addequals",
},
{
tweak = "addfourier",
variant = 2,
},
{
tweak = "setoptions",
-- set = { "ignorekerndimensions" }
},
-- this is the mkiv section
-- {
-- tweak = "emulatelmtx",
-- feature = "emulatelmtx",
-- comment = "this is for mkiv",
-- },
},
},
bigslots = {
1, 2, 3, 4
},
},
}
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