local common = fonts.goodies.load("common-math.lfg") local presets = common.mathematics.tweaks.presets local integral_variants = { bottomright = -0.4 } ----- integral_top = { topright = 0.05 } local integral_bottom = { bottomright = -0.35 } return { name = "stix-two-math", version = "1.00", comment = "Goodies that complement stix two opentype.", author = "Hans Hagen & Mikael Sundqvist", copyright = "ConTeXt development team", mathematics = { alternates = { lambdabar = { feature = 'cv01', value = 1, comment = "Mathematical Alternative Lambda Bar" }, ramshorn = { feature = 'cv02', value = 1, comment = "Mathematical Alternative Rams Horn" }, emptyset = { feature = 'cv03', value = 1, comment = "Mathematical Alternative Empty Set" }, setminus = { feature = 'cv04', value = 1, comment = "Mathematical Alternative Setminus" }, calligraphic = { feature = 'ss01', value = 1, comment = "Mathematical Alternative Calligraphic Characters" }, -- We do this differently italic = { feature = 'ss02', value = 1, comment = "Mathematical Alternative Lowercase Italic" }, barred = { feature = 'ss03', value = 1, comment = "Mathematical Alternative Barred Characters" }, -- hbar, lambdabar etc primes = { feature = 'ss04', value = 1, comment = "Mathematical Alternative Primes" }, -- larger/lower primes, minute etc arrow = { feature = 'ss05', value = 1, comment = "Mathematical Alternative Smaller Arrows" }, narrower = { feature = 'ss06', value = 1, comment = "Mathematical Alternative Narrower Elements" }, -- narrower/shorter element etc small = { feature = 'ss07', value = 1, comment = "Mathematical Alternative Smaller Operators" }, upright = { feature = 'ss08', value = 1, comment = "Mathematical Alternative Upright Symbols" }, -- upright integrals etc. negated = { feature = 'ss09', value = 1, comment = "Mathematical Alternative Negated Symbols" }, relation = { feature = 'ss10', value = 1, comment = "Mathematical Alternative Relations" }, negatedset = { feature = 'ss11', value = 1, comment = "Mathematical Alternative Negated Set Symbols" }, propfrown = { feature = 'ss12', value = 1, comment = "Mathematical Alternative Proportional and Frown" }, negsine = { feature = 'ss13', value = 1, comment = "Mathematical Alternative Negated Sine Wave" }, intprod = { feature = 'ss14', value = 1, comment = "Mathematical Alternative Interior Products" }, capcup = { feature = 'ss15', value = 1, comment = "Mathematical Alternative Intersection and Union with serif" }, circled = { feature = 'ss16', value = 1, comment = "Mathematical Alternative Circled Operators" }, simvar = { feature = 'ss20', value = 1, comment = "Mathematical Alternative Similar and some more unrelated" }, -- demo features: negated8774 = { feature = 'ss09', value = 1, comment = "Mathematical Alternative Negated 8774", list = { [8774] = true }, }, negated8775 = { feature = 'ss09', value = 1, comment = "Mathematical Alternative Negated 8775", list = { [8775] = true }, }, }, parameters = { AccentBaseDepth = 30, FlattenedAccentTopShiftUp = 0, RadicalKernAfterDegree = -500, DelimiterPercent = 90, DelimiterShortfall = 400, DisplayOperatorMinHeight = 1800, -- 1800 in font PrimeShiftUp = "1.3*SuperscriptShiftUp", PrimeShiftUpCramped = "1.3*SuperscriptShiftUp", }, tweaks = { aftercopying = { { tweak = "version", expected = "Version 2.12 b168", }, { tweak = "fixprimes", factor = 0.84, }, { tweak = "addmirrors", }, -- MS: we need to check this, I moved it up { tweak = "replacealphabets", list = { { source = "uppercasescript", target = "uppercasecalligraphic", }, { source = "uppercasescript", target = "uppercasescript", feature = "ss01", }, }, }, -- presets.scripttocalligraphic { }, presets.rsfstoscript { }, presets.rsfsuprighttoscript { }, presets.moderntocalligraphic { }, presets.eulertocalligraphic { }, presets.xitsarabic { rscale = 0.95 }, presets.fallbacks { }, presets.moveitalics { correct = true }, presets.moveitalics { correct = true, letters = true }, presets.moveintegrals { }, presets.wipeitalics { }, { tweak = "simplifykerns", }, { tweak = "kerns", list = { [0x002F] = { topleft = -0.2, bottomright = -0.2 }, ["0x7D.parts.top"] = { topright = -0.15, }, -- right brace top ["0x7D.parts.bottom"] = { bottomright = -0.15 }, -- right brace bottom ["0x29.parts.top"] = { topright = -0.1, }, -- right parenthesis top ["0x29.parts.bottom"] = { bottomright = -0.1 }, -- right parenthesis bottom ["0x29.variants.*"] = { topright = -0.2, bottomright = -0.2 }, -- 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 }, -- ["0x222B.parts.bottom"] = { bottomright = -0.30 }, -- int }, }, -- Accents are a mess. We migrate the extensibles from the combiners to the base accent -- and then need to tweak the width (which is auto set because it was zero with a large -- accent anchor offset). First we copy and fix. { tweak = "extendaccents", }, { tweak = "radicaldegreeanchors", list = { [0x221A] = { location = "left", hfactor = 0.00, vfactor = 0.7 }, ["0x221A.variants.*"] = { location = "left", hfactor = 0.00, vfactor = 0.55 }, ["0x221A.variants.3"] = { location = "left", hfactor = 0.00, vfactor = .525 }, ["0x221A.parts.bottom"] = { location = "left", hfactor = 0.05, vfactor = 1.00 }, } }, { tweak = "flattenaccents", }, { tweak = "fixaccents", }, -- First we set the dimensions of the initial accent which started out as zero but we want -- a proper width. { tweak = "dimensions", list = { [0x00302] = { width = 1.2, anchor = 1.10, xoffset = .05 }, -- widehat [0x00303] = { width = 1.4, anchor = 1.20, xoffset = .10 }, -- widetilde [0x00306] = { width = 1.4, anchor = 1.20, xoffset = .10 }, -- widebreve [0x0030C] = { width = 1.4, anchor = 1.20, xoffset = .10 }, -- widecheck }, }, -- Then we deal with all offsets and heights in one go. So we treat the initial accent -- as well as the variants here. { tweak = "dimensions", list = { -- here we want to apply to all [0x020DB] = { yoffset = 0.025, height = .95, all = true }, -- widedddot : 0x20DB (self) }, }, -- We now copy these to the not wide slots so that we can set these to stretch as well, -- if only because it is less confusing and more consistent. { tweak = "copyaccents", }, -- So far for the accents. { tweak = "checkspacing", }, { tweak = "addscripts", }, { tweak = "accentdimensions", }, { tweak = "addrules", }, { tweak = "addarrows", }, { tweak = "fixslashes", }, { -- already exists, but not good spacing tweak = "addbars", advance = 0.4, }, { tweak = "replacerules", minus = { height = .233, yoffset = .768, -- leftoffset = .2, -- rightoffset = .2, }, fraction = { height = .233, yoffset = .768, }, radical = { height = .233, yoffset = .768, leftoffset = .05, rightoffset = .05, }, stacker = { height = .233, yoffset = .768, }, }, { tweak = "addactuarian", }, { tweak = "addfourier", variant = 1, }, { tweak = "addprimed", }, { tweak = "addparts", list = { [0x21F4] = { horizontal = true, template = 0x2192, sequence = { { glyph = "first", factor = 2 }, { glyph = 0x2218 }, { glyph = "first", factor = 2 }, { glyph = "last" }, } } } }, -- this is the mkiv section { tweak = "emulatelmtx", feature = "emulatelmtx", comment = "this is for mkiv", }, }, }, bigslots = { 1, 3, 5, 7 }, }, }