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-- This patch code is moved from font-pat.lua to this goodies
-- files as it does not belong in the core code.
local patches = fonts.handlers.otf.enhancers.patches
local function patch(data,filename,threshold)
local m = data.metadata.math
if m then
local d = m.DisplayOperatorMinHeight or 0
if d < threshold then
patches.report("DisplayOperatorMinHeight(%s -> %s)",d,threshold)
m.DisplayOperatorMinHeight = threshold
end
end
end
patches.register("after","analyze math","asana",function(data,filename) patch(data,filename,1350) end)
local function less(value,target,original)
-- officially we should check the original
return 0.25 * value
end
local function more(value,target,original)
local o = original.mathparameters.DisplayOperatorMinHeight
if o < 2800 then
return 2800 * target.parameters.factor
else
return value -- already scaled
end
end
return {
name = "asana-math",
version = "1.00",
comment = "Goodies that complement asana.",
author = "Hans Hagen",
copyright = "ConTeXt development team",
mathematics = {
tweaks = {
aftercopying = {
{
tweak = "dimensions",
list = {
-- nothing yet
}
},
{
tweak = "fixprimes",
factor = 1.05,
scale = 0.65,
},
{
tweak = "checkspacing",
},
{
tweak = "addscripts",
},
},
},
parameters = {
-- DisplayOperatorMinHeight = 0, -- more
-- StackBottomDisplayStyleShiftDown = 0,
-- StackBottomShiftDown = 0,
-- StackDisplayStyleGapMin = 0,
-- StackGapMin = 0,
-- StackTopDisplayStyleShiftUp = 0,
-- StackTopShiftUp = 0,
-- StretchStackBottomShiftDown = 0,
-- StretchStackGapAboveMin = 0,
-- StretchStackGapBelowMin = 0,
-- StretchStackTopShiftUp = 0,
StackBottomDisplayStyleShiftDown = less,
StackBottomShiftDown = less,
StackDisplayStyleGapMin = less,
StackGapMin = less,
StackTopDisplayStyleShiftUp = less,
StackTopShiftUp = less,
StretchStackBottomShiftDown = less,
StretchStackGapAboveMin = less,
StretchStackGapBelowMin = less,
StretchStackTopShiftUp = less,
}
}
}
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