On 23 Jul 2024, at 20:29, alan.caruanambom@gmail.com wrote:

Hello, I need the background (lines and points) to be inside (tangent) of the frame, I don't know how to do it

\startuseMPgraphic{fullheightbackground}
   fill unitsquare xyscaled (OverlayWidth, OverlayHeight) withcolor "gray" ;

   w := MakeupWidth;
   h := OverlayHeight;

   draw (0,0)--(MakeupWidth,0) withpen pencircle scaled 2pt withcolor green;
   draw (0,OverlayHeight)--(MakeupWidth,OverlayHeight) withpen pencircle scaled 2pt withcolor green;

   drawdot (0,0) withpen pencircle scaled 8pt withcolor red;
   drawdot (MakeupWidth,OverlayHeight) withpen pencircle scaled 8pt withcolor red;
\stopuseMPgraphic

\defineoverlay
 [fullheightbackground]
 [\useMPgraphic{fullheightbackground}]

\setupframedtexts
 [background=fullheightbackground,
  backgroundoffset=0pt,
  frame=on]

\starttext

\startframedtext[width=\textwidth,align=left]
   \input knuth
\stopframedtext

\stoptext
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