% This macro source file is from the four volume series % "TeX in Practice" by Stephan von Bechtolsheim, published % 1993 by Springer-Verlag, New York. % Copyright 1993 Stephan von Bechtolsheim. % No warranty or liability is assumed. % This macro may be copied freely if no fees other than % media cost or shipping charges are charged and as long % as this copyright and the following source code itself % is not changed. Please see the series for further information. % % Version: 1.0 % Date: May 1, 1993 % % % This source code is documented in 9.2.1, p. I-314. % Original source in file "boxit.TEX", starting line 79. \wlog{L: "graphmac.tip" ["boxit.TEX," l. 79, p. I-314]}% % This file DOES belong to format "texip." \InputD{box-zero.tip} \catcode`\@ = 11 \newdimen\@ScaleLength \def\SetScale #1{% \@ScaleLength = #1 } \SetScale{1mm} \newdimen\@LineThickness \def\SetLineThickness #1{% \@LineThickness = #1 } \SetLineThickness{0.3mm} \newbox\@GraphDataBox \def\SetGraphDataBox #1{% \dimen0 = #1% \setbox\@GraphDataBox = \hbox{% \hskip -0.5\dimen0 \vrule height 0.5\dimen0 depth 0.5\dimen0 width 1.0\dimen0 }% \ZeroBox{\@GraphDataBox}% } \SetGraphDataBox{2mm} \def\DrawDataBox (#1,#2){% {% \setbox0 = \hbox{% \hskip #1\@ScaleLength \raise #2\@ScaleLength\copy\@GraphDataBox }% \ZeroBoxOut{0}% }% } \def\DrawHLine (#1,#2)#3{% {% \setbox0 = \hbox{% \hskip #1\@ScaleLength \raise #2\@ScaleLength \hbox{% \vrule height 0.5\@LineThickness depth 0.5\@LineThickness width #3\@ScaleLength }% }% \ZeroBoxOut{0}% }% } \def\DrawVLine (#1,#2)#3{% {% \setbox0 = \hbox{% \hskip #1\@ScaleLength \hskip -0.5\@LineThickness \raise #2\@ScaleLength \hbox{% \vrule height #3\@ScaleLength depth 0pt width \@LineThickness }% }% \ZeroBoxOut{0}% }% } \catcode`\@ = 12