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if not modules then modules = { } end modules ['grph-rul'] = {
version = 1.001,
comment = "companion to grph-rul.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
local attributes = attributes
local nodes = nodes
local context = context
local nuts = nodes.nuts
local nodepool = nuts.pool
local userrule = nuts.rules.userrule
local outlinerule = nuts.pool.outlinerule
local ruleactions = nuts.rules.ruleactions
local setattrlist = nuts.setattrlist
local setattr = nuts.setattr
local tonode = nuts.tonode
local getattribute = tex.getattribute
local a_color = attributes.private('color')
local a_transparency = attributes.private('transparency')
local a_colormodel = attributes.private('colormodel')
local floor = math.floor
local getrandom = utilities.randomizer.get
do
local function unsupported() end
ruleactions.mp = unsupported
ruleactions.fill = unsupported
ruleactions.draw = unsupported
ruleactions.stroke = unsupported
ruleactions.box = unsupported
end
interfaces.implement {
name = "frule",
arguments = { {
{ "width", "dimension" },
{ "height", "dimension" },
{ "depth", "dimension" },
{ "radius", "dimension" },
{ "line", "dimension" },
{ "type", "string" },
{ "data", "string" },
{ "name", "string" },
{ "radius", "dimension" },
{ "corner", "string" },
} } ,
actions = function(t)
local rule = userrule(t)
if t.type == "mp" then
t.ma = getattribute(a_colormodel) or 1
t.ca = getattribute(a_color)
t.ta = getattribute(a_transparency)
else
setattrlist(rule,true)
end
context(tonode(rule)) -- will become context.nodes.flush
end
}
interfaces.implement {
name = "outlinerule",
public = true,
protected = true,
arguments = { {
{ "width", "dimension" },
{ "height", "dimension" },
{ "depth", "dimension" },
{ "line", "dimension" },
} } ,
actions = function(t)
local rule = outlinerule(t.width,t.height,t.depth,t.line)
setattrlist(rule,true)
context(tonode(rule)) -- will become context.nodes.flush
end
}
interfaces.implement {
name = "framedoutline",
arguments = { "dimension", "dimension", "dimension", "dimension" },
actions = function(w,h,d,l)
local rule = outlinerule(w,h,d,l)
setattrlist(rule,true)
context(tonode(rule)) -- will become context.nodes.flush
end
}
interfaces.implement {
name = "fakeword",
arguments = { {
{ "factor", "dimension" },
{ "name", "string" }, -- can be type
{ "min", "dimension" },
{ "max", "dimension" },
{ "n", "integer" },
} } ,
actions = function(t)
local factor = t.factor or 0
local amount = getrandom("fakeword",t.min,t.max)
local rule = userrule {
height = 1.25*factor,
depth = 0.25*factor,
width = floor(amount/10000) * 10000,
line = 0.10*factor,
ma = getattribute(a_colormodel) or 1,
ca = getattribute(a_color),
ta = getattribute(a_transparency),
type = "mp",
name = t.name,
}
setattrlist(rule,true)
context(tonode(rule))
end
}
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