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if not modules then modules = { } end modules ['grph-u3d'] = {
version = 1.001,
comment = "companion to grph-inc.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
-- see lpdf-u3d.lua for comment
-- maybe: backends.codeinjections.insertu3d
local trace_inclusion = false trackers.register("figures.inclusion", function(v) trace_inclusion = v end)
local report_u3d = logs.reporter("graphics","u3d")
local figures = figures
local context = context
local nodeinjections = backends.nodeinjections
local todimen = string.todimen
function figures.checkers.u3d(data)
local dr, du, ds = data.request, data.used, data.status
local width = todimen(dr.width or figures.defaultwidth)
local height = todimen(dr.height or figures.defaultheight)
local foundname = du.fullname
dr.width, dr.height = width, height
du.width, du.height, du.foundname = width, height, foundname
if trace_inclusion then
report_u3d("including u3d %a, width %p, height %p",foundname,width,height)
end
context.startfoundexternalfigure(width .. "sp",height .. "sp")
context(function()
nodeinjections.insertu3d {
foundname = foundname,
width = width,
height = height,
factor = number.dimenfactors.bp,
display = dr.display,
controls = dr.controls,
label = dr.label,
}
end)
context.stopfoundexternalfigure()
return data
end
figures.includers.u3d = figures.includers.nongeneric
figures.registersuffix("u3d","u3d")
figures.registersuffix("prc","u3d")
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