-- This file might go away and is for experiments only.

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

return {
    name = "erewhon-math",
    version = "1.00",
    comment = "Goodies that complement erewhon 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)
        },
        tweaks = {
            aftercopying = {
                {
                    tweak   = "fixprimes",
                    factor  = 0.9,
                    scale   = 0.9,
                },
                {
                    tweak = "addmirrors",
                },
                presets.matheulercalligraphic { rscale = 0.93 },
                presets.mathrsfscript         { rscale = 0.93 },
                presets.mathxitsarabic        { rscale = 0.90 },
                {
                    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  },
                    },
                },
                {
                    tweak = "checkspacing",
                },
                {
                    tweak = "addscripts",
                },
                {
                    tweak = "accentdimensions",
                },
                {
                    tweak = "addrules",
                },
                {
                    tweak = "addactuarian",
                },
                {
                    tweak = "addequals",
                },
                {
                    tweak = "setoptions",
                    set   = { "ignorekerndimensions" }
                },
            },
        },
        bigslots = {
            1, 2, 3, 4
        },
    },

}