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local common = fonts.goodies.load("common-math.lfg")
local presets = common.mathematics.tweaks.presets
local integral_variants = { bottomright = -0.20 }
----- integral_top = { topright = 0.05 }
local integral_bottom = { bottomright = -0.45 }
return {
name = "lucida-opentype-math",
version = "1.00",
comment = "Goodies that complement lucida opentype.",
author = "Hans Hagen & Mikael Sundqvist",
copyright = "ConTeXt development team",
mathematics = {
parameters = {
RadicalDisplayStyleVerticalGap = 100,
NoLimitSupFactor = 0,
NoLimitSubFactor = 900,
FractionRuleThickness = 55,
-- AccentTopShiftUp = 0,
-- FlattenedAccentTopShiftUp = 0,
-- AccentExtendMargin = 50,
-- AccentBaseHeight = 650,
AccentBaseDepth = 150,
RadicalDegreeBottomRaisePercent = 50,
RadicalKernAfterDegree = -600,
-- RadicalRuleThickness = 35, -- 40 in font (46 in demi)
DelimiterPercent = 90,
DelimiterShortfall = 400,
-- DisplayOperatorMinHeight = 1800, -- 1300 in font (only one)
PrimeRaisePercent = 60, -- 50 default
PrimeRaiseComposedPercent = 50, -- 25 default
-- AxisHeight = 325, -- we keep the old fonts as they are (also for demos)
},
tweaks = {
aftercopying = {
{
tweak = "version",
expected = "Version 1.803",
},
{
tweak = "fixoldschool",
version = "Version 1.802",
},
-- {
-- tweak = "showinfo",
-- version = "Version 1.803",
-- },
{
tweak = "addmirrors",
},
presets.scripttocalligraphic { },
presets.rsfstoscript { rscale = 1 },
presets.rsfsuprighttoscript { rscale = 1 },
presets.moderntocalligraphic { rscale = 1 },
presets.eulertocalligraphic { rscale = 1 },
presets.xitsarabic { rscale = 1.05 },
presets.fallbacks { },
presets.moveitalics { correct = true },
presets.moveitalics { correct = true, letters = true },
presets.moveintegrals { factor = 1.5 },
presets.wipeitalics { },
{
tweak = "replacealphabets",
list = {
{
source = "uppercasescript",
target = "uppercasecalligraphic",
feature = "ss04",
},
{
source = "lowercasescript",
target = "lowercasecalligraphic",
feature = "ss04",
},
{
source = "uppercaseboldscript",
target = "uppercaseboldcalligraphic",
feature = "ss04",
},
-- No lowercase bold calligraphic/script in font
},
},
{
tweak = "dimensions",
version = "Version 1.802",
list = {
-- The < and > are slightly too small. We scale them by 867/795
["0x003C"] = { scale = 1.09057, width = 1.09057, height = 1.09057 },
["0x003E"] = { scale = 1.09057, width = 1.09057, height = 1.09057 },
-- The = is too big if in ss03. We scale it by 795/867 (not working like this)
-- ["0x003D.ss03"] = { scale = 0.916955, width = 0.916955, height = 0.916955 },
},
},
{
tweak = "dimensions",
version = "Version 1.802",
list = {
-- these we fix here. Remove when we have new version of Lucida
["0x23DC.parts.1"] = { xoffset = -0.075, height = .4, yoffset = -0.6 },
["0x23DC.parts.2"] = { height = .4, yoffset = -0.6 },
["0x23DC.parts.3"] = { xoffset = 0.075, height = .4, yoffset = -0.6 },
["0x23DD.parts.1"] = { xoffset = -0.075, depth = .8, yoffset = 0.2 },
["0x23DD.parts.2"] = { depth = .8, yoffset = 0.2 },
["0x23DD.parts.3"] = { xoffset = 0.075, depth = .8, yoffset = 0.2 },
-- these are done later using the AccentBase* parameters
-- [0x23DC] = { height = .2, yoffset = -0.8 },
-- [0x23DD] = { depth = .6, yoffset = 0.4 },
--
-- ["0x7C.variants.1"] = { squeeze = 0.75, height = 0.75, depth = 0.75 },
-- ["0x7C.variants.2"] = { squeeze = 0.75, height = 0.75, depth = 0.75 },
-- ["0x7C.variants.3"] = { squeeze = 0.75, height = 0.75, depth = 0.75 },
-- ["0x7C.variants.4"] = { squeeze = 0.75, height = 0.75, depth = 0.75 },
-- going zero makes them be ignored
["0x7C.variants.3"] = { squeeze = 0.90, height = 0.90, depth = 0.90 },
["0x7C.variants.4"] = { squeeze = 0.80, height = 0.80, depth = 0.80 },
},
},
-- 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 = 1.4, 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",
},
-- So far for the accents.
{
tweak = "fixslashes",
},
{
tweak = "fixellipses",
},
{
tweak = "addbreve",
},
{
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 = -0.25 }, -- right parenthesis top
["0x29.parts.bottom"] = { bottomright = -0.25 }, -- 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 = -0.2, bottomright = -0.2 }, -- angle
["0x27E9.variants.*"] = { topright = -0.3, bottomright = -0.3 },
[0x27EB] = { topright = -0.2, bottomright = -0.2 },
["0x27EB.variants.*"] = { topright = -0.3, bottomright = -0.3 },
["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,
},
},
{
tweak = "fixprimes",
factor = 0.8, -- accent base height
-- smaller = true, -- replace multiples
scale = 1.1, -- glyph scale
-- fake = 0.65, -- replace multiples with this width proportion
-- keep = true, -- keep the text size prime (aka minute)
},
{
tweak = "checkspacing",
},
{
tweak = "addscripts",
},
{
tweak = "accentdimensions",
},
{
tweak = "addrules",
},
{
tweak = "addactuarian",
},
{
tweak = "addfourier",
-- scale = 1.5,
variant = 1,
},
{
tweak = "addarrows",
left = 0.1,
right = 0.1,
slack = 0.20,
list = {
[0x21A9] = false,
[0x21AA] = false,
[0x2190] = false,
[0x2192] = false,
[0x219E] = false,
[0x21A0] = false,
-- [0x21A6] = false,
-- [0x21CB] = false,
-- [0x21CC] = false,
}
},
-- this is the mkiv section
{
tweak = "emulatelmtx",
feature = "emulatelmtx",
comment = "this is for mkiv",
},
},
},
alternates = {
textitalic = { feature = 'ss01', value = 1, comment = "Mathematical Alternative Lowercase Italic" },
arrow = { feature = 'ss02', value = 1, comment = "Mathematical Alternative Smaller Arrows" },
operator = { feature = 'ss03', value = 1, comment = "Mathematical Alternative Smaller Operators" },
calligraphic = { feature = 'ss04', value = 1, comment = "Mathematical Alternative Calligraphic Characters" },
zero = { feature = 'ss05', value = 1, comment = "Mathematical Alternative Zero" },
multipledots = { feature = 'ss06', value = 1, comment = "Mathematical Alternative Multiple Dots" },
ldots = { feature = 'ss07', value = 1, comment = "Mathematical Alternative Ellipsis" },
},
bigslots = {
1, 2, 3, 4
},
--
-- experimental fixes for mkiv:
--
dimensions = dimensions,
kerns = kerns,
},
}
|
