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%D \module
%D [ file=meta-pre,
%D version=2001.03.21,
%D title=\METAPOST\ Graphics,
%D subtitle=Predefined Goodies,
%D author=Hans Hagen,
%D date=\currentdate,
%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
%D In this library, we define a couple of handy graphics.
% todo: use the predefine grid macros, mp code will move to
% mp-* file
\startuseMPgraphic{pagegrid}
StartPage ;
drawoptions(withcolor .8white) ;
fill Field[Text][Text] ;
drawoptions(withcolor .65white) ;
fill Field[Footer][Text] ;
fill Field[Header][Text] ;
fill Field[LeftMargin][Text] ;
fill Field[RightMargin][Text] ;
drawoptions(withcolor .65yellow) ;
fill Field[LeftEdge][Text] ;
fill Field[RightEdge][Text] ;
fill Field[Bottom][Text] ;
fill Field[Top][Text] ;
drawoptions(withpen pencircle scaled .3pt withcolor .65white) ;
for i=-3cm step 1cm until PaperWidth+3cm :
draw (i,-3cm)--(i,PaperHeight+3cm) ;
endfor ;
for i=PaperHeight+3cm step -1cm until -3cm :
draw (-3cm,i)--(PaperWidth+3cm,i) ;
endfor ;
drawoptions(withpen pencircle scaled .15pt) ;
for i=.5cm-3cm step 1cm until PaperWidth+3cm :
draw (i,-3cm)--(i,PaperHeight+3cm) ;
endfor ;
for i=PaperHeight-.5cm+3cm step -1cm until -3cm :
draw (-3cm,i)--(PaperWidth+3cm,i) ;
endfor ;
drawoptions(withpen pencircle scaled .3pt withcolor .65red) ;
for i=0 step 1cm until PaperWidth :
draw (i,0)--(i,PaperHeight) ;
endfor ;
for i=PaperHeight step -1cm until 0 :
draw (0,i)--(PaperWidth,i) ;
endfor ;
drawoptions(withpen pencircle scaled .15pt withcolor .65red) ;
for i=.5cm step 1cm until PaperWidth :
draw (i,0)--(i,PaperHeight) ;
endfor ;
for i=PaperHeight-.5cm step -1cm until 0 :
draw (0,i)--(PaperWidth,i) ;
endfor ;
drawoptions(withpen pencircle scaled 5pt withcolor .65red) ;
draw ulcorner Page ;
StopPage ;
\stopuseMPgraphic
\defineoverlay[pagegrid][\useMPgraphic{pagegrid}]
\endinput
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