1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
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. This code might move.
local texgetcount = tex.getcount
local conditionals = tex.conditionals
layouts = {
status = { },
}
local status = layouts.status
function status.leftorrightpageaction(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 texgetcount("pagenoshift") % 2 == 0 then
if texgetcount("realpageno") % 2 == 0 then
return right, left
else
return left, right
end
else
if texgetcount("realpageno") % 2 == 0 then
return left, right
else
return right, left
end
end
end
function status.isleftpage(r)
if not conditionals.layoutisdoublesided then
return false
elseif conditionals.layoutissinglesided then
return false
elseif texgetcount("pagenoshift") % 2 == 0 then
return (r or texgetcount("realpageno")) % 2 == 0
else
return not (r or texgetcount("realpageno")) % 2 == 0
end
end
|
