-- When testing XITS in LMTX one has to do this:
--
-- \definefilesynonym [type-imp-xits.mkiv] [type-imp-xits.mkiv]

local common  = fonts.goodies.load("common-math.lfg")
local presets = common.mathematics.tweaks.presets

return {
    name = "xits-math",
    version = "1.00",
    comment = "Goodies that complement xits (by Khaled Hosny).",
    author = "Hans Hagen & Mikael Sundqvist",
    copyright = "ConTeXt development team",
    filenames = {
        ["xitsmath-regular.otf"] = {
            "xitsmath-regular.otf",
            "xits-math.otf",
        },
        ["xitsmath-bold.otf"] = {
            "xitsmath-bold.otf",
            "xits-mathbold.otf",
        },
    },
    mathematics = {
        parameters = {
            NoLimitSupFactor                =    0,
            NoLimitSubFactor                = 1000,
         -- AccentBaseHeight                =    0,
            AccentBaseDepth                 =   30,
            FlattenedAccentTopShiftUp       =   0, -- now also set, the wide ones (so we can move in one go)
         -- AccentExtendMargin              =   50,
            RadicalDegreeBottomRaisePercent =   65,
         -- RadicalKernBeforeDegree         =  500,
            RadicalKernAfterDegree          = -500,
            RadicalVerticalGap              =   10,
         -- RadicalRuleThickness            =   68, -- 68 in font (but shifted down)
            DelimiterPercent                =   90,
            DelimiterShortfall              =  400,
            DisplayOperatorMinHeight        = 1800, -- 1800 in font
            PrimeRaisePercent               =   75, -- 50 default
            PrimeRaiseComposedPercent       =   10, -- 25 default

        },
        tweaks = {
            aftercopying = {
                {
                    tweak    = "version",
                    expected = "Version 1.302",
                },
                {
                    tweak   = "replacealphabets",
                    list    = {
                        {
                            source   = "uppercasescript",
                            target   = "uppercasecalligraphic",
                        },
                        {
                            source   = "uppercasescript",
                            target   = "uppercasescript",
                            feature  = "ss01",
                        },
                    },
                },
                presets.scripttocalligraphic { },
                presets.rsfstoscript         { rscale  = 0.95 },
                presets.rsfsuprighttoscript  { rscale  = 0.95 },
                presets.moderntocalligraphic { rscale  = 0.95 },
                presets.eulertocalligraphic  { rscale  = 0.95 },
                presets.xitsarabic           { rscale  = 0.88 },
                presets.fallbacks            { },
                presets.moveitalics          { correct = true },
                presets.moveitalics          { correct = true, letters = true },
                presets.moveintegrals        { factor = 1.4 },
                presets.wipeitalics          { },
                {
                    tweak = "kerns",
                    list  = {
                        [0x2F] = {
                            topleft     = -0.1,
                         -- bottomleft  =  0,
                         -- topright    =  0,
                            bottomright =  -0.1,
                       },
                    },
                },
                {
                    tweak = "dimensions",
                    list  = {
                        -- nothing yet
                    },
                },
                {
                    tweak  = "fixprimes",
                 -- smaller = true,
                    factor = 0.85,
                },
                {
                    tweak = "checkspacing",
                },
                {
                    tweak = "addscripts",
                },
                {
                    tweak = "accentdimensions",
                },
                {
                    tweak = "addrules",
                },
                {
                    tweak = "setoptions",
                    set   = { "ignorekerndimensions" }
                },
                -- this is the mkiv section
                {
                    tweak   = "emulatelmtx",
                    feature = "emulatelmtx",
                    comment = "this is for mkiv",
                },
            },
        },
        alternates = {
            calligraphic = { feature = 'ss01', value = 1, comment = "Mathematical Calligraphic Alphabet" },
            greekssup    = { feature = 'ss02', value = 1, comment = "Mathematical Greek Sans Serif Alphabet" },
            greekssit    = { feature = 'ss03', value = 1, comment = "Mathematical Italic Sans Serif Digits" },
            monobfnum    = { feature = 'ss04', value = 1, comment = "Mathematical Bold Monospace Digits" },
            mathbbbf     = { feature = 'ss05', value = 1, comment = "Mathematical Bold Double-Struck Alphabet" },
            mathbbit     = { feature = 'ss06', value = 1, comment = "Mathematical Italic Double-Struck Alphabet" },
            mathbbbi     = { feature = 'ss07', value = 1, comment = "Mathematical Bold Italic Double-Struck Alphabet" },
            upint        = { feature = 'ss08', value = 1, comment = "Upright Integrals" },
            vertnot      = { feature = 'ss09', value = 1, comment = "Negated Symbols With Vertical Stroke" },
        },
    }
}