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1%D \module
2%D   [       file=mtx-context-trim,
3%D        version=2016.03.04,
4%D          title=\CONTEXT\ Extra Trickry,
5%D       subtitle=Trimming Files,
6%D         author=Hans Hagen,
7%D           date=\currentdate,
8%D      copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
9%C
10%C This module is part of the \CONTEXT\ macro||package and is
11%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
12%C details.
13
14%D This is a very old module based feature that has been moved to \MKIV.
15
16% begin help
17%
18% usage: context --extra=trim [options] filename
19%
20% --paperwidth  : target paperwidth
21% --paperheight : target paperheight
22% --file        : processed file
23% --x           : page x offset
24% --y           : page y offset
25% --hoffset     : horizontal clip offset
26% --voffset     : vertical clip offset
27% --width       : clip width
28% --height      : clip height
29%
30% example: context --extra=trim --file=trimtest --hoffset=3.50cm --voffset=3.50cm --width=15cm --height=21cm
31%
32% end help
33
34\input mtx-context-common.tex
35
36\setdocumentargumentdefault {paperwidth}  {21cm}
37\setdocumentargumentdefault {paperheight} {29.7cm}
38\setdocumentargumentdefault {file}        {\getdocumentfilename{1}}
39\setdocumentargumentdefault {hoffset}     {0cm}
40\setdocumentargumentdefault {voffset}     {0cm}
41\setdocumentargumentdefault {width}       {17cm}
42\setdocumentargumentdefault {height}      {24cm}
43\setdocumentargumentdefault {x}           {0cm}
44\setdocumentargumentdefault {y}           {0cm}
45
46\doifnothing{\getdocumentargument{file}}                    {\starttext missing filename \stoptext}
47\doif       {\getdocumentargument{file}}{\inputfilename.tex}{\starttext missing filename \stoptext}
48
49\definepapersize
50  [fuzzy]
51  [width=\getdocumentargument{paperwidth},
52   height=\getdocumentargument{paperheight}]
53
\setuppapersize
55  [fuzzy]
56  [fuzzy]
57
58\setuplayout
59  [page]
60
61\starttext
62
63    \trimpages
64      [file=\getdocumentargument{file},
65       hoffset=\getdocumentargument{hoffset},
66       voffset=\getdocumentargument{voffset},
67       width=\getdocumentargument{width},
68       height=\getdocumentargument{height},
69       x=\getdocumentargument{x},
70       y=\getdocumentargument{y}]
71
72\stoptext
73