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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 = {
FractionRuleThickness = 60,
AccentTopShiftUp = -25,
FlattenedAccentTopShiftUp = -25,
AccentBaseDepth = 30,
DelimiterPercent = 90,
DelimiterShortfall = 400,
DisplayOperatorMinHeight = 1800, -- 1333 in font
SubscriptShiftDown = 177, -- 277 in font
SuperscriptShiftUp = 428, -- 381 in font
SubscriptShiftDownWithSuperscript = "1.3*SubscriptShiftDown", -- trial and error
PrimeShiftUp = "1.4*SuperscriptShiftUp",
PrimeShiftUpCramped = "1.4*SuperscriptShiftUp",
PrimeBaselineDropMax = "0.5*SuperscriptBaselineDropMax",
},
tweaks = {
aftercopying = {
{
tweak = "version",
expected = "Version 1.106",
},
presets.braille { },
{
tweak = "fixprimes",
factor = 0.63,
},
{
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 },
--
[0x00393] = { bottomright = -0.30, }, -- upright Gamma
--
["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
},
},
-- 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.parts.bottom"] = { location = "left", hfactor = .1, vfactor = 1.1 },
}
},
{
tweak = "flattenaccents",
},
{
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 = {
[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 = "replacerules",
-- minus = true, -- we have an extensible
fraction = { height = .254, yoffset = .746 },
radical = { height = .254, yoffset = .746, yscale = .912 },
stacker = { height = .254, yoffset = .746 },
},
{
tweak = "wipecues",
},
{
tweak = "addbars",
advance = 0.175,
},
{
tweak = "addactuarian",
},
{
tweak = "addequals",
},
{
tweak = "addfourier",
variant = 1,
},
{
tweak = "addprimed",
},
-- 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
},
},
}
|
