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Diffstat (limited to 'Master/texmf-dist/tex/latex')
| -rw-r--r-- | Master/texmf-dist/tex/latex/ebezier/ebezier.sty | 533 |
1 files changed, 533 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/latex/ebezier/ebezier.sty b/Master/texmf-dist/tex/latex/ebezier/ebezier.sty new file mode 100644 index 00000000000..a2a7bcc9198 --- /dev/null +++ b/Master/texmf-dist/tex/latex/ebezier/ebezier.sty @@ -0,0 +1,533 @@ +%% +%% This is file `ebezier.sty', +%% generated with the docstrip utility. +%% +%% The original source files were: +%% +%% ebezier.dtx (with options: `package') +%% +%% IMPORTANT NOTICE: +%% +%% For the copyright see the source file. +%% +%% Any modified versions of this file must be renamed +%% with new filenames distinct from ebezier.sty. +%% +%% For distribution of the original source see the terms +%% for copying and modification in the file ebezier.dtx. +%% +%% This generated file may be distributed as long as the +%% original source files, as listed above, are part of the +%% same distribution. (The sources need not necessarily be +%% in the same archive or directory.) +\ProvidesPackage{ebezier} + [2005/03/01 v4] +%% +\NeedsTeXFormat{LaTeX2e} +\RequirePackage{calc} +%% +\newfont{\vrm}{cmr5} +\newfont{\virm}{cmr6} +\newfont{\viirm}{cmr7} +\newfont{\viiirm}{cmr8} +\newfont{\ixrm}{cmr9} +\newfont{\xrm}{cmr10} +\newfont{\xiirm}{cmr12} +\newfont{\xviirm}{cmr17} +\newfont{\xirm}{cmr10 scaled \magstephalf} +\newfont{\xivrm}{cmr10 scaled \magstep2} +\newfont{\xxrm}{cmr10 scaled \magstep4} +\newfont{\xxvrm}{cmr10 scaled \magstep5} +%% +\newcounter{@cnta}\newcounter{@cntb}\newcounter{@cntc}\newcounter{@cntd} +%% +%% \@TempDim#1#2#3{"count"|"dimen"|"box"|"skip"}{\myname}{\realname} +%% allocate new one or alias is defined, so use it +%% +\def\@TempDim#1#2#3{% + \ifx\@und@fined#3\csname new#1\endcsname#2% + \else\let#2#3\fi} +%% +\@TempDim{dimen}\@X\@ovxx +\@TempDim{dimen}\@Xa\@ovdx +\@TempDim{dimen}\@Xb\@ovyy +\@TempDim{dimen}\@Xc\@ovdy +\@TempDim{dimen}\@Y\@ovro +\@TempDim{dimen}\@Ya\@ovri +\@TempDim{dimen}\@Yb\@xdim +\@TempDim{dimen}\@Yc\@ydim +\@TempDim{dimen}\@Z\@clnht +\@TempDim{dimen}\@Za\@clnwd +\@TempDim{dimen}\@Zb\@dashdim +\@TempDim{dimen}\@Zc\@tempdima +\@TempDim{dimen}\@Zd\@tempdimb +\@TempDim{dimen}\@Ze\@tempdimc +%% +\newlength{\@Zf}\newlength{\@Zg}\newlength{\@Zh} +\newlength{\@Zi}\newlength{\@Zj} +\newlength{\magicnum} +\newcommand\set@magic{% + \setlength{\magicnum}{0.55228474983\unitlength}} +%% +\newlength{\eps} +\setlength{\eps}{1sp} +%% +\newlength{\PathLength} +%% +\chardef\x@=10 +\newcommand{\pathmax}{50} +%% +\newsavebox{\@pt} +%% +\newif\if@other@symbol +\newif\if@standard@symbol +\newcommand{\DefStandardPlotSymbol}{% + \@other@symbolfalse\@standard@symboltrue + \setbox\@pt\hbox{\hskip -.5\wd0\vrule height\@halfwidth + depth\@halfwidth width\@wholewidth}} +\newcommand{\DefOldPlotSymbol}{% + \@other@symbolfalse\@standard@symbolfalse + \setbox\@pt\hbox{\vrule height\@halfwidth + depth\@halfwidth width\@wholewidth}} +\newcommand{\DefPlotSymbol}[1]{\setbox0=\hbox{#1}\@X\ht0\advance\@X-\dp0 + \@halfwidth.5\ht0\@wholewidth\ht0 + \@other@symboltrue\@standard@symbolfalse + \setbox\@pt\hbox{\hskip -.5\wd0\lower.5\@X\copy0}} +\newcommand{\DefShiftedPlotSymbol}[4]{\setbox0=\hbox{#1}\@X #2\@Y #3 + \@wholewidth #4\@halfwidth.5\@wholewidth + \@other@symboltrue\@standard@symbolfalse + \setbox\@pt\hbox{\hskip-\@X\lower\@Y\copy0}} +\newcommand{\set@width}{% + \if@other@symbol + \relax + \else + \if@standard@symbol + \@X-.5\@wholewidth + \else + \@X\z@ + \fi + \setbox\@pt\hbox{\hskip\@X\vrule height\@halfwidth + depth\@halfwidth width\@wholewidth}% + \fi} +%% +\DefStandardPlotSymbol +%% +\def\lbezier{\@ifnextchar [{\@lbezier}{\@lbezier[0]}} +\def\@lbezier[#1](#2,#3)(#4,#5){% + \c@@cntc#1\relax + \ifnum \c@@cntc<\@ne + \multiply\eps\x@ + \Length(#2,#3)(#4,#5){\PathLength}% + \divide\eps\x@ + \c@@cntc\PathLength + \@X.5\@halfwidth \divide\c@@cntc\@X + \ifnum \c@@cntc>\qbeziermax% + \PackageInfo{ebezier}{\the\c@@cntc\space points needed exceeding % + qbeziermax=\qbeziermax!}\fi + \fi + \ifnum \c@@cntc>\qbeziermax + \c@@cntc\qbeziermax\relax + \PackageWarning{ebezier}{Counter reset to qbeziermax=\qbeziermax!}\fi + \c@@cnta\c@@cntc\relax\advance\c@@cnta\@ne + \@Xa #4\unitlength \advance\@Xa-#2\unitlength \divide\@Xa\c@@cntc + \@Ya #5\unitlength \advance\@Ya-#3\unitlength \divide\@Ya\c@@cntc + \c@@cntb\z@\relax + \set@width + \put(#2,#3){\@whilenum{\c@@cntb<\c@@cnta}\do + {\@X\c@@cntb \@Xa\@Y \c@@cntb\@Ya + \raise\@Y\hbox to\z@{\hskip\@X\unhcopy\@pt\hss}% + \advance\c@@cntb\@ne}}} +%% +\def\Lbezier{\@ifnextchar [{\@Lbezier}{\@Lbezier[0]}} +\def\@Lbezier[#1](#2,#3)(#4,#5){\c@@cntc#1\relax + \@Xb\@wholewidth + \@X #4\unitlength \advance\@X-#2\unitlength \AbsLen{\@X}% + \@Y #5\unitlength \advance\@Y-#3\unitlength \AbsLen{\@Y}% + \LenNorm{\@X}{\@Y}{\@Xc}\LenMult{\@Xc}{\@wholewidth}{\@Yb}% + \LenDiv{\@Yb}{\@X+\@Y}{\@wholewidth}\@halfwidth .5\@wholewidth + \ifnum \c@@cntc<\@ne + \multiply\eps\x@ + \Length(#2,#3)(#4,#5){\PathLength}% + \divide\eps\x@ + \c@@cntc\PathLength + \@X.5\@halfwidth \divide\c@@cntc\@X + \ifnum \c@@cntc>\qbeziermax% + \PackageInfo{ebezier}{\the\c@@cntc\space points needed exceeding % + qbeziermax=\qbeziermax!}\fi + \fi + \ifnum \c@@cntc>\qbeziermax + \c@@cntc\qbeziermax\relax + \PackageWarning{ebezier}{Counter reset to qbeziermax=\qbeziermax!}\fi + \c@@cnta\c@@cntc\relax \advance\c@@cnta\@ne + \@Xa #4\unitlength \advance\@Xa-#2\unitlength \divide\@Xa\c@@cntc + \@Ya #5\unitlength \advance\@Ya-#3\unitlength \divide\@Ya\c@@cntc + \c@@cntb\z@\relax + \set@width + \put(#2,#3){\@whilenum{\c@@cntb<\c@@cnta}\do + {\@X\c@@cntb \@Xa\@Y \c@@cntb\@Ya + \raise\@Y\hbox to\z@{\hskip\@X\unhcopy\@pt\hss}% + \advance\c@@cntb\@ne}} + \@wholewidth\@Xb \@halfwidth .5\@Xb} +%% +\def\ljoin{\@ifnextchar [{\@ljoin}{\@ljoin[0]}} +\def\@ljoin[#1](#2,#3){\@ifnextchar ({\l@join[#1](#2,#3)}{\relax}} +\def\l@join[#1](#2,#3)(#4,#5){% + \lbezier[#1](#2,#3)(#4,#5)% + \ljoin[#1](#4,#5)} +%% +\def\Ljoin{\@ifnextchar [{\@Ljoin}{\@Ljoin[0]}} +\def\@Ljoin[#1](#2,#3){\@ifnextchar ({\L@join[#1](#2,#3)}{\relax}} +\def\L@join[#1](#2,#3)(#4,#5){% + \Lbezier[#1](#2,#3)(#4,#5)% + \Ljoin[#1](#4,#5)} +%% +\def\Qbezier{\@ifnextchar [{\@Qbezier}{\@Qbezier[0]}} +\def\@Qbezier[#1](#2,#3)(#4,#5)(#6,#7){\c@@cntc#1\relax + \ifnum \c@@cntc<\@ne + \multiply\eps\x@ + \PathLengthQ[5](#2,#3)(#4,#5)(#6,#7)% + \divide\eps\x@ + \c@@cntc\PathLength + \@X.5\@halfwidth \divide\c@@cntc\@X + \ifnum \c@@cntc>\qbeziermax% + \PackageInfo{ebezier}{\the\c@@cntc\space points needed exceeding % + qbeziermax=\qbeziermax!}\fi + \fi + \ifnum \c@@cntc>\qbeziermax + \c@@cntc\qbeziermax\relax + \PackageWarning{ebezier}{Counter reset to qbeziermax=\qbeziermax!}\fi + \c@@cnta\c@@cntc\relax \advance\c@@cnta\@ne + \@Xa #4\unitlength \advance\@Xa-#2\unitlength \multiply\@Xa\tw@ + \@Xb #6\unitlength \advance\@Xb-#2\unitlength + \advance\@Xb-\@Xa \divide\@Xb\c@@cntc + \@Ya #5\unitlength \advance\@Ya-#3\unitlength \multiply\@Ya\tw@ + \@Yb #7\unitlength \advance\@Yb-#3\unitlength + \advance\@Yb-\@Ya \divide\@Yb\c@@cntc + \c@@cntb\z@\relax + \set@width + \put(#2,#3){\@whilenum{\c@@cntb<\c@@cnta}\do + {\@X\c@@cntb \@Xb\@Y \c@@cntb\@Yb + \advance\@X\@Xa \advance\@Y\@Ya + \divide\@X\c@@cntc \divide\@Y\c@@cntc + \multiply\@X\c@@cntb \multiply\@Y\c@@cntb + \raise \@Y \hb@xt@\z@{\kern\@X\unhcopy\@pt\hss}% + \advance\c@@cntb\@ne}}} +%% +\def\cbezier{\@ifnextchar [{\@cbezier}{\@cbezier[0]}} +\def\@cbezier[#1](#2,#3)(#4,#5)(#6,#7)(#8,#9){% + \c@@cntc#1\relax + \ifnum \c@@cntc<\@ne + \multiply\eps\x@ + \PathLengthC[5](#2,#3)(#4,#5)(#6,#7)(#8,#9)% + \divide\eps\x@ + \c@@cntc\PathLength + \@X = 0.5\@halfwidth + \divide\c@@cntc\@X + \ifnum \c@@cntc>\qbeziermax% + \PackageInfo{ebezier}{\the\c@@cntc\space points needed exceeding % + qbeziermax=\qbeziermax!}\fi + \fi + \ifnum \c@@cntc>\qbeziermax + \c@@cntc\qbeziermax\relax + \PackageWarning{ebezier}{Counter reset to qbeziermax=\qbeziermax!}\fi + \c@@cnta\c@@cntc\relax \advance\c@@cnta\@ne + \@Xa #4\unitlength \advance\@Xa-#2\unitlength \multiply\@Xa\thr@@ + \@Xb #6\unitlength \advance\@Xb-#2\unitlength \multiply\@Xb\thr@@ + \advance\@Xb -2\@Xa + \@Xc #8\unitlength \advance\@Xc-#2\unitlength + \advance\@Xc-\@Xa \advance\@Xc-\@Xb + \@Ya #5\unitlength \advance\@Ya-#3\unitlength \multiply\@Ya\thr@@ + \@Yb #7\unitlength \advance\@Yb-#3\unitlength \multiply\@Yb\thr@@ + \advance\@Yb-2\@Ya + \@Yc #9\unitlength \advance\@Yc-#3\unitlength + \advance\@Yc-\@Ya \advance\@Yc-\@Yb + \divide\@Xc\c@@cntc \divide\@Yc\c@@cntc + \c@@cntb\z@\relax + \set@width + \put(#2,#3){\@whilenum{\c@@cntb<\c@@cnta}\do + {\@X\c@@cntb \@Xc\@Y \c@@cntb\@Yc + \advance\@X\@Xb \advance\@Y\@Yb + \divide\@X\c@@cntc \divide\@Y\c@@cntc + \multiply\@X\c@@cntb \multiply\@Y\c@@cntb + \advance\@X\@Xa \advance\@Y\@Ya + \divide\@X\c@@cntc \divide\@Y\c@@cntc + \multiply\@X\c@@cntb \multiply\@Y\c@@cntb + \raise \@Y \hbox to \z@{\hskip \@X\unhcopy\@pt\hss}% + \advance\c@@cntb\@ne}}} +%% +\def\Cbezier{\@ifnextchar [{\@Cbezier}{\@Cbezier[0]}} +\def\@Cbezier[#1](#2,#3)(#4,#5)(#6,#7)(#8,#9){% + \cbezier[#1](#2,#3)(#4,#5)(#6,#7)(#8,#9)% + \c@@cntc#1\relax\divide\c@@cntc\thr@@ + \lbezier[\c@@cntc](#2,#3)(#4,#5)% + \lbezier[\c@@cntc](#4,#5)(#6,#7)% + \lbezier[\c@@cntc](#6,#7)(#8,#9)% + \DefPlotSymbol{$\bullet$} + \lbezier[1](#2,#3)(#2,#3) + \lbezier[1](#4,#5)(#4,#5) + \lbezier[1](#6,#7)(#6,#7) + \lbezier[1](#8,#9)(#8,#9) + \DefStandardPlotSymbol + \thinlines} +%% +\long\gdef\l@put(#1,#2)#3{% + \@killglue\raise#2\hb@xt@\z@{\kern#1#3\hss}\ignorespaces} +%% +\long\gdef\l@cbezier[#1](#2,#3)(#4,#5)(#6,#7)(#8,#9){% + \c@@cntc#1\relax + \dimen1#2\dimen3#3 +%% + \@Xa #4 \advance\@Xa-#2 \multiply\@Xa\thr@@ + \@Xb #6 \advance\@Xb-#2 \multiply\@Xb\thr@@ + \advance\@Xb-2\@Xa + \@Xc #8 \advance\@Xc-#2 + \advance\@Xc-\@Xa \advance\@Xc-\@Xb + \@Ya #5 \advance\@Ya-#3 \multiply\@Ya\thr@@ + \@Yb #7 \advance\@Yb-#3 \multiply\@Yb\thr@@ + \advance\@Yb-2\@Ya + \@Yc #9 \advance\@Yc-#3 + \advance\@Yc-\@Ya \advance\@Yc-\@Yb +%% +%% assume half arc +%% + \ifnum \c@@cntc <\@ne + \multiply\eps\x@ + \dimen5#2 \advance\dimen5-#8 \AbsLen{\dimen5}% + \dimen7#3 \advance\dimen7-#9 \AbsLen{\dimen7}% + \LenNorm{\dimen5}{\dimen7}{\PathLength}% + \divide\eps\x@ + \c@@cntc\PathLength + \dimen5.5\@halfwidth + \divide\c@@cntc\dimen5 +%% +%% 11/7 \approx \pi/2 +%% + \divide\c@@cntc 7 \multiply\c@@cntc 11 + \ifnum \c@@cntc>\qbeziermax + \PackageInfo{ebezier}{\the\c@@cntc\space points needed exceeding % + qbeziermax=\qbeziermax!}\fi + \fi + \ifnum\c@@cntc>\qbeziermax + \c@@cntc\qbeziermax\relax + \PackageWarning{ebezier}{Counter reset to qbeziermax=\qbeziermax!}\fi + \c@@cnta\c@@cntc\relax\advance\c@@cnta\@ne% + \divide\@Xc\c@@cntc \divide\@Yc\c@@cntc + \c@@cntb\z@\relax + \set@width + \l@put(\dimen1,\dimen3){\@whilenum{\c@@cntb<\c@@cnta}\do + {\@X\c@@cntb \@Xc\@Y \c@@cntb\@Yc + \advance\@X\@Xb \advance\@Y\@Yb + \divide\@X\c@@cntc \divide\@Y\c@@cntc + \multiply\@X\c@@cntb \multiply\@Y\c@@cntb + \advance\@X\@Xa \advance\@Y\@Ya + \divide\@X\c@@cntc \divide\@Y\c@@cntc + \multiply\@X\c@@cntb \multiply\@Y\c@@cntb + \raise\@Y\hbox to\z@{\hskip\@X\unhcopy\@pt\hss}% + \advance\c@@cntb\@ne}}} +%% +\def\@circle@rt[#1](#2,#3)#4{% + \set@magic + \@Z #4\magicnum\@Za #2\unitlength\@Zb #3\unitlength + \@Zc #2\unitlength \advance\@Zc\@Z + \@Zd #3\unitlength \advance\@Zd\@Z + \@Ze #4\unitlength \advance\@Ze\@Za + \@Zf #4\unitlength \advance\@Zf\@Zb + \l@cbezier[#1](\@Ze,\@Zb)(\@Ze,\@Zd)(\@Zc,\@Zf)(\@Za,\@Zf)} +%% +\def\@circle@lt[#1](#2,#3)#4{% + \set@magic + \@Z #4\magicnum\@Za #2\unitlength\@Zb #3\unitlength + \@Zc #2\unitlength \advance\@Zc-\@Z + \@Zd #3\unitlength \advance\@Zd\@Z + \@Ze -#4\unitlength \advance\@Ze\@Za + \@Zf #4\unitlength \advance\@Zf\@Zb + \l@cbezier[#1](\@Za,\@Zf)(\@Zc,\@Zf)(\@Ze,\@Zd)(\@Ze,\@Zb)} +%% +\def\@circle@rb[#1](#2,#3)#4{% + \set@magic + \@Z #4\magicnum\@Za #2\unitlength\@Zb #3\unitlength + \@Zc #2\unitlength \advance\@Zc\@Z + \@Zd #3\unitlength \advance\@Zd-\@Z + \@Ze #4\unitlength \advance\@Ze\@Za + \@Zf -#4\unitlength \advance\@Zf\@Zb + \l@cbezier[#1](\@Za,\@Zf)(\@Zc,\@Zf)(\@Ze,\@Zd)(\@Ze,\@Zb)} +%% +\def\@circle@lb[#1](#2,#3)#4{% + \set@magic + \@Z #4\magicnum\@Za #2\unitlength\@Zb #3\unitlength + \@Zc #2\unitlength \advance\@Zc-\@Z + \@Zd #3\unitlength \advance\@Zd-\@Z + \@Ze -#4\unitlength \advance\@Ze\@Za + \@Zf -#4\unitlength \advance\@Zf\@Zb + \l@cbezier[#1](\@Ze,\@Zb)(\@Ze,\@Zd)(\@Zc,\@Zf)(\@Za,\@Zf)} +%% +\newif\if@ovf +\def\cCircle{\@ifnextchar [{\@cCircle}{\@cCircle[0]}} +\def\@cCircle[#1](#2,#3)#4[#5]{% + \@ovtfalse\@ovbfalse\@ovlfalse\@ovrfalse\@ovffalse + \c@@cnta#1\relax + \@tfor\reserved@a:=#5\do{\csname @ov\reserved@a true\endcsname}% + \if@ovf\@ovttrue \divide\c@@cnta\tw@\fi + \if@ovt + \if@ovr + \@circle@rt[\c@@cnta](#2,#3){#4} + \else\if@ovl + \@circle@lt[\c@@cnta](#2,#3){#4} + \else\divide\c@@cnta\tw@ + \@circle@rt[\c@@cnta](#2,#3){#4} + \@circle@lt[\c@@cnta](#2,#3){#4} + \fi\fi + \if@ovf + \@circle@rb[\c@@cnta](#2,#3){#4} + \@circle@lb[\c@@cnta](#2,#3){#4} + \fi + \else\if@ovb + \if@ovr + \@circle@rb[\c@@cnta](#2,#3){#4} + \else\if@ovl + \@circle@lb[\c@@cnta](#2,#3){#4} + \else\divide\c@@cnta\tw@ + \@circle@rb[\c@@cnta](#2,#3){#4} + \@circle@lb[\c@@cnta](#2,#3){#4} + \fi\fi + \else + \divide\c@@cnta\tw@ + \if@ovr + \@circle@rb[\c@@cnta](#2,#3){#4} + \@circle@rt[\c@@cnta](#2,#3){#4} + \else + \if@ovl + \@circle@lb[\c@@cnta](#2,#3){#4} + \@circle@lt[\c@@cnta](#2,#3){#4} + \else + \PackageError{Ebezier}{Missing or illegal position specifier in cCircle} + \fi\fi\fi\fi} +%% +\def\cArc{\@ifnextchar [{\@cArc}{\@cArc[0]}} +\def\@cArc[#1](#2,#3)(#4,#5){% + \c@@cntc#1\relax + \@X #2\unitlength \@Y #3\unitlength + \@Za #4\unitlength \@Zb #5\unitlength + \@Zc 2\@X \advance\@Zc-\@Za \@Zd 2\@Y \advance\@Zd-\@Zb + \@Xa\@Y \advance\@Xa-\@Zb \@Ya\@Za \advance\@Ya-\@X + \multiply\@Xa 4 \divide\@Xa\thr@@ \multiply\@Ya 4 \divide\@Ya\thr@@ + \@Ze\@Za \advance\@Ze\@Xa \@Zf\@Zb \advance\@Zf\@Ya + \@Zg\@Zc \advance\@Zg\@Xa \@Zh\@Zd \advance\@Zh\@Ya + \l@cbezier[#1](\@Za,\@Zb)(\@Ze,\@Zf)(\@Zg,\@Zh)(\@Zc,\@Zd)} +%% +\def\LenMult#1#2#3{\setlength{#3}{#1*\ratio{#2}{\unitlength}}} +%% +\def\LenDiv#1#2#3{\setlength{#3}{\unitlength*\ratio{#1}{#2}}} +%% +\def\AbsLen#1{\ifdim#1<\z@\setlength{#1}{-#1}\fi} +%% +\def\LenSqrt#1#2{% + \setlength{\@Za}{#1}% + \ifdim\@Za>\eps\loop\setlength{\@Zb}{(\@Za+\unitlength*\ratio{#1}{\@Za})/2}% + \setlength{\@Zc}{\@Za-\@Zb}\AbsLen{\@Zc}% + \ifdim\@Zc>\eps\setlength{\@Za}{\@Zb}\repeat\fi% + \setlength{#2}{\@Za}} +%% +\def\Length(#1,#2)(#3,#4)#5{% + \setlength{\@Zd}{#3\unitlength-#1\unitlength}% + \setlength{\@Ze}{#4\unitlength-#2\unitlength}% + \setcounter{@cntd}{1}% + \setlength{\@Zf}{\@Zd}\ifdim\@Ze>\@Zd\setlength{\@Zf}{\@Ze}\fi + \loop\setlength{\@Zd}{\@Zd/2}\setlength{\@Ze}{\@Ze/2}\setlength{\@Zf}{\@Zf/2}% + \multiply\c@@cntd\tw@\ifdim\@Zf>\x@ pt\repeat + \LenMult{\@Zd}{\@Zd}{\@Zg}\LenMult{\@Ze}{\@Ze}{\@Zh}\setlength{\@Zf}{\@Zg+\@Zh}% + \LenSqrt{\@Zf}{\@Zg}\setlength{#5}{\@Zg*\value{@cntd}}} +%% +\def\LenNorm#1#2#3{% + \setlength{\@Zd}{#1}\setlength{\@Ze}{#2}\setcounter{@cntd}{1}% + \setlength{\@Zf}{\@Zd}\ifdim\@Ze>\@Zd\setlength{\@Zf}{\@Ze}\fi + \loop\setlength{\@Zd}{\@Zd/2}\setlength{\@Ze}{\@Ze/2}\setlength{\@Zf}{\@Zf/2}% + \multiply\c@@cntd\tw@\ifdim\@Zf>\x@ pt\repeat + \LenMult{\@Zd}{\@Zd}{\@Zg}\LenMult{\@Ze}{\@Ze}{\@Zh}\setlength{\@Zf}{\@Zg+\@Zh}% + \LenSqrt{\@Zf}{\@Zg}\setlength{#3}{\@Zg*\value{@cntd}}} +%% +\def\PathLengthQ[#1](#2,#3)(#4,#5)(#6,#7){% + \PathLength\z@\c@@cntc#1\relax + \ifnum \c@@cntc<\@ne \c@@cntc\pathmax\relax\fi + \ifnum \c@@cntc>\pathmax \c@@cntc\pathmax\relax + \PackageWarning{ebezier}{Counter reset to pathmax=\pathmax!}\fi + \@Za\z@ \@Zb\z@ \c@@cntb\c@@cntc\relax \advance\c@@cntb\@ne + \@Xb #4\unitlength \advance\@Xb-#2\unitlength \multiply\@Xb\tw@ + \@Yb #5\unitlength \advance\@Yb-#3\unitlength \multiply\@Yb\tw@ + \@Xa #6\unitlength \advance\@Xa-#2\unitlength + \advance\@Xa-\@Xb \divide\@Xa\c@@cntc + \@Ya #7\unitlength \advance\@Ya-#3\unitlength + \advance\@Ya-\@Yb \divide\@Ya\c@@cntc \c@@cnta\@ne\relax + \@whilenum{\c@@cnta<\c@@cntb}\do + {\@X\c@@cnta\@Xa \advance\@X\@Xb \divide\@X\c@@cntc \multiply\@X\c@@cnta + \@Y\c@@cnta\@Ya \advance\@Y\@Yb \divide\@Y\c@@cntc \multiply\@Y\c@@cnta + \@Zi\@X\@Zj\@Y + \advance\@X-\@Za \advance\@Y-\@Zb \LenNorm{\@X}{\@Y}{\@Z}% + \advance\PathLength\@Z + \@Za\@Zi\@Zb\@Zj \advance\c@@cnta\@ne}} +%% +\def\PathLengthC[#1](#2,#3)(#4,#5)(#6,#7)(#8,#9){% + \PathLength\z@ \c@@cntc#1\relax + \ifnum \c@@cntc<\@ne \c@@cntc\pathmax\relax\fi + \ifnum \c@@cntc>\pathmax \c@@cntc\pathmax\relax + \PackageWarning{ebezier}{Counter reset to pathmax=\pathmax!}\fi + \@Za\z@ \@Zb\z@ \c@@cnta\c@@cntc\relax \advance\c@@cnta\@ne + \@Xa #4\unitlength \advance\@Xa-#2\unitlength \multiply\@Xa\thr@@ + \@Xb #6\unitlength \advance\@Xb-#2\unitlength \multiply\@Xb\thr@@ + \advance\@Xb-2\@Xa + \@Xc #8\unitlength \advance\@Xc-#2\unitlength + \advance\@Xc-\@Xa \advance\@Xc-\@Xb + \@Ya #5\unitlength \advance\@Ya-#3\unitlength \multiply\@Ya\thr@@ + \@Yb #7\unitlength \advance\@Yb-#3\unitlength \multiply\@Yb\thr@@ + \advance\@Yb-2\@Ya + \@Yc #9\unitlength \advance\@Yc-#3\unitlength + \advance\@Yc-\@Ya \advance\@Yc-\@Yb + \divide\@Xc\c@@cntc \divide\@Yc\c@@cntc + \c@@cntb\@ne\relax + \@whilenum{\c@@cntb<\c@@cnta}\do + {\@X\c@@cntb\@Xc \@Y\c@@cntb\@Yc \advance\@X\@Xb \advance\@Y\@Yb + \divide\@X\c@@cntc \divide\@Y\c@@cntc + \multiply\@X\c@@cntb \multiply\@Y\c@@cntb + \advance\@X\@Xa \advance\@Y\@Ya + \divide\@X\c@@cntc \divide\@Y\c@@cntc + \multiply\@X\c@@cntb \multiply\@Y\c@@cntb + \@Zi\@X\@Zj\@Y + \advance\@X-\@Za \advance\@Y-\@Zb \LenNorm{\@X}{\@Y}{\@Z}% + \advance\PathLength\@Z + \@Za\@Zi\@Zb\@Zj\advance\c@@cntb\@ne}} +%% +\def\cArcs{\@ifnextchar [{\@cArcs}{\@cArcs[0]}} +\def\@cArcs[#1](#2,#3)(#4,#5)(#6,#7){% + \c@@cntc#1\relax + \@ovffalse + \@X#2\unitlength\@Y#3\unitlength + \@Zi#6\unitlength\@Zj#7\unitlength + \setlength{\@Xa}{\@X-\@Zi}\setlength{\@Ya}{\@Y-\@Zj}% + \LenNorm{\@Xa}{\@Ya}{\@Xb}% + \@Xa#4\unitlength \advance\@Xa\@Zi \advance\@Xa-2\@X + \@Ya#5\unitlength \advance\@Ya\@Zj \advance\@Ya-2\@Y + \@Xc\@Xa\AbsLen{\@Xc}\@Yc\@Ya\AbsLen{\@Yc}% + \ifdim\@Xc<\eps\ifdim\@Yc<\eps\@ovftrue\fi\fi + \if@ovf + \cArc[#1](#2,#3)(#4,#5)% + \else + \LenNorm{\@Xa}{\@Ya}{\@Yb}% + \setlength{\@Xc}{\unitlength*\ratio{\@Xb}{\@Yb}}% + \setlength{\@Yc}{(-\unitlength+\@Xc*2)*4/3}% + \@Xb-#5\unitlength \advance\@Xb\@Zj + \@Z\@Xb\AbsLen{\@Z}% + \ifdim\@Z<100\eps \@Xb#4\unitlength \advance\@Xb-\@Zi \@Xa\@Ya\fi + \setlength{\@Z}{\@Yc*\ratio{\@Xa}{\@Xb}}% + \@Xa#4\unitlength\@Ya#5\unitlength + \setlength{\@Za}{\@Y-\@Ya}\setlength{\@Zb}{\@Xa-\@X}% + \setlength{\@Zc}{\@Zj-\@Y}\setlength{\@Zd}{\@X-\@Zi}% + \@Xb\@Xa \LenMult{\@Z}{\@Za}{\@Zh}\advance\@Xb\@Zh + \@Yb\@Ya\LenMult{\@Z}{\@Zb}{\@Zh}\advance\@Yb\@Zh + \@Xc\@Zi\LenMult{\@Z}{\@Zc}{\@Zh}\advance\@Xc\@Zh + \@Yc\@Zj\LenMult{\@Z}{\@Zd}{\@Zh}\advance\@Yc\@Zh + \@Z\@Xa\@Za\@Ya\@Zb\@Xb\@Zc\@Yb\@Zd\@Xc\@Ze\@Yc + \l@cbezier[#1](\@Z,\@Za)(\@Zb,\@Zc)(\@Zd,\@Ze)(\@Zi,\@Zj)% + \fi} +\endinput +%% +%% End of file `ebezier.sty'. |