local common = fonts.goodies.load("common-math.lfg") local presets = common.mathematics.tweaks.presets local integral_variants = { bottomright = -0.20 } local integral_bottom = { bottomright = -0.25 } return { name = "dejavu-math", version = "1.00", comment = "Goodies that complement dejavu.", author = "Hans Hagen & Mikael Sundqvist", copyright = "ConTeXt development team", mathematics = { parameters = { -- NoLimitSupFactor = 0, -- NoLimitSubFactor = 900, FractionRuleThickness = 60, AccentTopShiftUp = -25, FlattenedAccentTopShiftUp = -25, -- AccentExtendMargin = 50, AccentBaseDepth = 30, -- RadicalDegreeBottomRaisePercent = 62, -- RadicalRuleThickness = 46, -- 52 in font DelimiterPercent = 90, DelimiterShortfall = 400, DisplayOperatorMinHeight = 1800, -- 1333 in font -- PrimeRaisePercent = 50, -- 50 default PrimeRaiseComposedPercent = 10, -- 25 default }, tweaks = { aftercopying = { { tweak = "version", expected = "Version 1.106", }, -- { -- tweak = "fixprimes", -- scale = 0.85, -- -- smaller = true, -- factor = 1, -- }, { tweak = "fixprimes", scale = 1, -- smaller = true, factor = 0.8, }, { tweak = "addmirrors", }, presets.scripttocalligraphic { }, presets.rsfstoscript { rscale = 1.02 }, presets.rsfsuprighttoscript { rscale = 1.02 }, presets.moderntocalligraphic { rscale = 1.02 }, presets.eulertocalligraphic { rscale = 1.02 }, presets.xitsarabic { rscale = 1.05 }, presets.fallbacks { }, presets.moveitalics { correct = true }, presets.moveitalics { correct = true, letters = true }, presets.moveintegrals { factor = 1.5 }, -- we need to check this presets.wipeitalics { }, -- We don't have italic correction in for instance math italic f which means that -- we also didn't fix it. Therefore we need at least some reasonable kerns. Using -- a dimension tweak before the above (e.g. 0.2 italic and 0.8 width) doesn't work -- because once the advance is set the move is blocked and the ic stil wiped. So, -- we kern. Actually the upright (ascii) f has italic correction. { tweak = "kerns", list = { [0x1D453] = { bottomright = -.2 }, } }, -- { 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 ["0x7D.variants.*"] = { topright = -0.05, bottomright = -0.05 }, -- right brace variants ["0x29.parts.top"] = { topright = -0.15, }, -- right parenthesis top ["0x29.parts.bottom"] = { bottomright = -0.15 }, -- 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 }, -- ["0x222B.parts.bottom"] = { bottomright = -0.20 }, -- int ["0x222C.parts.bottom"] = { bottomright = -0.15 }, -- iint ["0x222D.parts.bottom"] = { bottomright = -0.10 }, -- iiint ["0x2A0C.parts.bottom"] = { bottomright = -0.05 }, -- iiiint -- ["0x222B.variants.*"] = integral_variants, ["0x222B.parts.top"] = integral_top, ["0x222B.parts.bottom"] = integral_bottom, -- ["0x222C.variants.*"] = integral_variants, ["0x222C.parts.top"] = integral_top, ["0x222C.parts.bottom"] = integral_bottom, -- ["0x222D.variants.*"] = integral_variants, ["0x222D.parts.top"] = integral_top, ["0x222D.parts.bottom"] = integral_bottom, -- ["0x222E.variants.*"] = integral_variants, ["0x222E.parts.top"] = integral_top, ["0x222E.parts.bottom"] = integral_bottom, -- ["0x222F.variants.*"] = integral_variants, ["0x222F.parts.top"] = integral_top, ["0x222F.parts.bottom"] = integral_bottom, -- ["0x2230.variants.*"] = integral_variants, ["0x2230.parts.top"] = integral_top, ["0x2230.parts.bottom"] = integral_bottom, -- ["0x2231.variants.*"] = integral_variants, ["0x2231.parts.top"] = integral_top, ["0x2231.parts.bottom"] = integral_bottom, -- ["0x2232.variants.*"] = integral_variants, ["0x2232.parts.top"] = integral_top, ["0x2232.parts.bottom"] = integral_bottom, -- ["0x2233.variants.*"] = integral_variants, ["0x2233.parts.top"] = integral_top, ["0x2233.parts.bottom"] = integral_bottom, }, }, -- 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 = .1, vfactor = .65 }, ["0x221A.variants.*"] = { location = "left", hfactor = .1, vfactor = .6 }, ["0x221A.variants.1"] = { location = "left", hfactor = .1, vfactor = .65 }, ["0x221A.variants.2"] = { location = "left", hfactor = .1, vfactor = .65 }, -- ["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 = 1.1 }, } }, { 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 = 1.4, anchor = 1.20, xoffset = .10 }, -- 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 -- [0x00300] = { yoffset = -0.02, height = .95, all = true }, -- widegrave : 0x0060 -- [0x00301] = { yoffset = -0.02, height = .95, all = true }, -- wideacute : 0x00B4 -- [0x00302] = { yoffset = -0.03, height = .95, all = true }, -- widehat : 0x02C6 -- [0x00303] = { yoffset = -0.02, height = .95, all = true }, -- widetilde : 0x02DC -- [0x00306] = { yoffset = -0.03, height = .95, all = true }, -- widebre : 0x02D8 -- [0x0030A] = { yoffset = 0.00, height = .95, all = true }, -- widering : 0x02DA -- [0x0030C] = { yoffset = -0.03, height = .95, all = true }, -- widecheck : 0x02C7 -- [0x00304] = { yoffset = -0.05, height = .95, all = true }, -- widebar : 0x00AF -- [0x00307] = { yoffset = -0.03, height = .95, all = true }, -- widedot : 0x02D9 -- [0x00308] = { yoffset = -0.03, height = .95, all = true }, -- wideddot : 0x00A8 [0x020DB] = { yoffset = 0.015, 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", }, { tweak = "checkspacing", }, { tweak = "addscripts", }, { tweak = "accentdimensions", }, { tweak = "addrules", }, { tweak = "wipecues", }, { tweak = "addbars", advance = 0.175, }, { tweak = "addactuarian", }, { tweak = "addequals", }, { tweak = "addfourier", variant = 1, }, -- this is the mkiv section { tweak = "emulatelmtx", feature = "emulatelmtx", comment = "this is for mkiv", }, }, }, alternates = { dotless = { feature = 'dtls', value = 1, comment = "Mathematical Dotless Forms" }, }, bigslots = { 1, 3, 5, 7 }, -- -- -- -- experimental fixes for mkiv: -- -- -- dimensions = dimensions, -- kerns = kerns, }, } -- For now we keep these commented as they show where we came from. -- { -- tweak = "dimensions", -- list = { -- [0x1D44E] = { width = 1, italic = 0, anchor = 0.9 }, -- a -- -- [0x1D449] = { width = .8, italic = .2 }, -- -- [0x1D44A] = { width = .8, italic = .2 }, -- ["0x1D449:0x1D44A"] = { width = .8, italic = .2 }, -- } -- },