X-Git-Url: https://git.stderr.nl/gitweb?p=matthijs%2Fmaster-project%2Freport.git;a=blobdiff_plain;f=Utils%2FLambda.tex;h=1702355a03762dbf7190df03f686fccdc81fe6af;hp=ad11419aace035e6e68c635d6f9593fef3de96ca;hb=d9438a9422e40fc6e88bc69f6b3cc6e41ccb85cc;hpb=24186af91e8401f45b11b2ba45bc9e9daedc2b55

diff --git a/Utils/Lambda.tex b/Utils/Lambda.tex
index ad11419..1702355 100644
--- a/Utils/Lambda.tex
+++ b/Utils/Lambda.tex
@@ -3,25 +3,44 @@
 % transformations.
 %
 
-\startuniqueMPgraphic{box}
+\startuseMPgraphic{HLine}
+path a, b;
+% Create a rectangle of the full size
+a := origin -- (\MPvar{width}, 0mm);
+% Randomize it a bit
+%b := a randomized (\overlaywidth / 25) ;
+% And draw it
+drawoptions (withpen pencircle scaled .75mm withcolor black) ;
+draw a; 
+\stopuseMPgraphic
+
+% Draw a line with the given options. Accepts only the 'width' option. Be
+% careful that these are metapost options, so use \the\textwidth instead of
+% textwidth, and a metapost expression for arithmethic (e.g. 0.5 *
+% \the\textwidth instead of 0.5\textwidth).
+\def\HLine[#1]%
+  {\setupMPvariables[HLine][#1]%
+  \useMPgraphic{HLine}}
+
+\startuseMPgraphic{box}
 path a, b;
 % Create a rectangle of the full size
 a := unitsquare xyscaled(\overlaywidth,\overlayheight);
 % Randomize it a bit
-b := a randomized 10pt ;
+b := a randomized (\overlaywidth / 25) ;
 % And draw it
 drawoptions (withpen pencircle scaled .75mm withcolor black) ;
 draw b; 
-\stopuniqueMPgraphic
+\stopuseMPgraphic
 
-\defineoverlay[box][\uniqueMPgraphic{box}]
+\defineoverlay[box][\useMPgraphic{box}]
 
 % Define \{start,stop}boxed with a nice metapost box around it.
 \defineframedtext[boxed][background=box,frame=off]
 % A boxed variant with the width forced to page width. This is used in
 % \startrans, since the content somehow doesn't scale the box around it
 % properly.
-\defineframedtext[wideboxed][background=box,frame=off,width=\textwidth]
+\defineframedtext[wideboxed][background=box,frame=off,width=\textwidth,offset=.02\textwidth]
 
 % Install the lambda calculus pretty-printer, as defined in pret-lam.lua.
 \installprettytype [LAM] [LAM]