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|
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 = {
calligraphic = { feature = 'ss01', value = 1, comment = "Mathematical Alternative Calligraphic Characters" },
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 = 'ss09', value = 1, comment = "Mathematical Alternative Negated Set Symbols" },
-- todo = { feature = 'ss14', value = 1, comment = "" },
circled = { feature = 'ss16', value = 1, comment = "Mathematical Alternative Circled Operators" },
},
parameters = {
NoLimitSupFactor = 0,
NoLimitSubFactor = 1000,
-- AccentBaseHeight = 0,
AccentBaseDepth = 30,
FlattenedAccentTopShiftUp = 0,
-- 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 2.12 b168",
},
{
tweak = "fixprimes",
scale = 1,
-- smaller = true,
factor = 1,
},
{
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
-- ["0x7D.variants.*"] = { topright = -0.15, bottomright = -0.15 }, -- right brace variants
["0x29.parts.top"] = { topright = -0.1, }, -- right parenthesis top
["0x29.parts.bottom"] = { bottomright = -0.1 }, -- right parenthesis bottom
["0x29.variants.*"] = { topright = -0.2, 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.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 = "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
-- [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 = 0.025, 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 = "addfourier",
variant = 1,
},
{
tweak = "addparts",
list = {
[0x21F4] = {
horizontal = true,
template = 0x2192,
sequence = {
{ glyph = "first", factor = 2 },
{ glyph = 0x2022, },
{ 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
},
},
}
|
