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if not modules then modules = { } end modules ['layo-ini'] = {
version = 1.001,
comment = "companion to layo-ini.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
-- We need to share information between the TeX and Lua end
-- about the typographical model. This happens here.
--
-- Code might move.
-- conditionals.layoutisdoublesided
-- conditionals.layoutissinglesided
-- texcount.pagenoshift
-- texcount.realpageno
local texcount = tex.count
local conditionals = tex.conditionals
layouts = {
status = { },
}
local status = layouts.status
function status.leftorrightpagection(left,right)
if left == nil then
left, right = false, true
end
if not conditionals.layoutisdoublesided then
return left, right
elseif conditionals.layoutissinglesided then
return left, right
elseif texcount.pagenoshift % 2 == 0 then
if texcount.realpageno % 2 == 0 then
return right, left
else
return left, right
end
else
if texcount.realpageno % 2 == 0 then
return left, right
else
return right, left
end
end
end
function status.isleftpage()
if not conditionals.layoutisdoublesided then
return false
elseif conditionals.layoutissinglesided then
return false
elseif texcount.pagenoshift % 2 == 0 then
return texcount.realpageno % 2 == 0
else
return not texcount.realpageno % 2 == 0
end
end
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