Add \HLine command that draws a horizontal line.

[matthijs/master-project/report.git] / Utils / Lambda.tex

diff --git a/Utils/Lambda.tex b/Utils/Lambda.tex
index ad11419aace035e6e68c635d6f9593fef3de96ca..24230d88b07733808ebef4bea85e285b49b7bfe6 100644 (file)
--- a/Utils/Lambda.tex
+++ b/Utils/Lambda.tex
@@ -3,12 +3,31 @@
 % transformations.
 %
 
+\startuniqueMPgraphic{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; 
+\stopuniqueMPgraphic
+
+% 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]%
+  \uniqueMPgraphic{HLine}}
+
 \startuniqueMPgraphic{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; 
@@ -21,7 +40,7 @@ draw b;
 % 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]