X-Git-Url: https://git.stderr.nl/gitweb?p=matthijs%2Fmaster-project%2Freport.git;a=blobdiff_plain;f=Utils%2FLambda.tex;h=8854ccad1c06ed5950078e426dc64ae36f05f391;hp=2426178877fa3e10a67ed4f143381aa8ac2b9bcb;hb=117e935923de81d878be58f742ea60549c0886ef;hpb=3fb953c21f9258fea8b4a0df8f80e2dc2e40acb6

diff --git a/Utils/Lambda.tex b/Utils/Lambda.tex
index 2426178..8854cca 100644
--- a/Utils/Lambda.tex
+++ b/Utils/Lambda.tex
@@ -3,7 +3,26 @@
 % 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 b; 
+\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);
@@ -12,16 +31,12 @@ 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,offset=.02\textwidth]
+\defineframedtext[boxed][width=fit,background=box,frame=off]
 
 % Install the lambda calculus pretty-printer, as defined in pret-lam.lua.
 \installprettytype [LAM] [LAM]
@@ -34,7 +49,7 @@ draw b;
 % Install the transformation pretty-printer, as defined in pret-trans.lua.
 \installprettytype [TRANS] [TRANS]
 % Define \starttrans \stoptrans
-\definetyping[trans][option=TRANS,style=normal,before=\startwideboxed,after=\stopwideboxed]
+\definetyping[trans][option=TRANS,style=normal,before=\startboxed,after=\stopboxed]
 
 % Install the haskell pretty-printer, as defined in pret-haskell.lua.
 \installprettytype [HASKELL] [HASKELL]