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oldlinux-files/Linux-0.98/Yggdrasil-0.98.3/usr/TeX/lib/tex/macros/LaTeX/bezier.sty
2024-02-19 00:21:16 -05:00

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% BEZIER DOCUMENT-STYLE OPTION - released 17 December 1985
% for LaTeX version 2.09
% Copyright (C) 1985 by Leslie Lamport
\newcounter{@sc}
\newcounter{@scp}
\newcounter{@t}
\newlength{\@x}
\newlength{\@xa}
\newlength{\@xb}
\newlength{\@y}
\newlength{\@ya}
\newlength{\@yb}
\newsavebox{\@pt}
\def\bezier#1(#2,#3)(#4,#5)(#6,#7){\c@@sc#1\relax
\c@@scp\c@@sc \advance\c@@scp\@ne
\@xb #4\unitlength \advance\@xb -#2\unitlength \multiply\@xb \tw@
\@xa #6\unitlength \advance\@xa -#2\unitlength
\advance\@xa -\@xb \divide\@xa\c@@sc
\@yb #5\unitlength \advance\@yb -#3\unitlength \multiply\@yb \tw@
\@ya #7\unitlength \advance\@ya -#3\unitlength
\advance\@ya -\@yb \divide\@ya\c@@sc
\setbox\@pt\hbox{\vrule height\@halfwidth depth\@halfwidth
width\@wholewidth}\c@@t\z@
\put(#2,#3){\@whilenum{\c@@t<\c@@scp}\do
{\@x\c@@t\@xa \advance\@x\@xb \divide\@x\c@@sc \multiply\@x\c@@t
\@y\c@@t\@ya \advance\@y\@yb \divide\@y\c@@sc \multiply\@y\c@@t
\raise \@y \hbox to \z@{\hskip \@x\unhcopy\@pt\hss}%
\advance\c@@t\@ne}}}
\endinput