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Diffstat (limited to 'Master/texmf-dist/tex/latex/eepic/eepic.sty')
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diff --git a/Master/texmf-dist/tex/latex/eepic/eepic.sty b/Master/texmf-dist/tex/latex/eepic/eepic.sty new file mode 100644 index 00000000000..29446873f06 --- /dev/null +++ b/Master/texmf-dist/tex/latex/eepic/eepic.sty @@ -0,0 +1,477 @@ +% eepic Version 1.1e < Dec 21, 1999 > +% Updated by Piet van Oostrum <piet@cs.uu.nl> +% eepic Version 1.1c < Nov 25, 1998 > +% Updated by Piet van Oostrum <piet@cs.uu.nl> +% eepic Version 1.1b < Febrary 7, 1988 > +% Written by Conrad Kwok +% +% Internet : kwok@iris.ucdavis.edu +% csnet : kwok@ucd.csnet +% csnet : kwok%iris.ucdavis.edu@csnet.relay +% UUCP : ...!ucbvax!ucdavis!iris!kwok +% +% The macros are in public domain. +% You may distribute or modify it in any ways you like. +% Please report any bugs, enhancements, comments, suggestions, etc. +% +% This style file modify some of the commands in epic[1] and LaTeX[2] such +% that \special commands will be generated in drawing lines if approriate. +% The \special commands generated is the subset of the \specials used +% by tpic[3]. +% +% [1] epic is written by Sunil Podar. Please read epic.sty for the +% copyright notice. +% [2] LaTeX is written by Leslie Lamport. Please read the book LaTeX +% [3] tpic is modified from pic by Tim Morgan +% +%% This file contains extensions of the following epic commands: +%% \dottedline \dashline \drawline +%% \jput +%% +%% It also contains extensions of the following LaTeX commands: +%% \circle \line \oval +%% +%% New commands include: +%% \Thicklines \arc \ellipse +%% \path \spline \allinethickness +%% +%% New commands for eepic 1.1 +%% \blacken \whiten \shade +%% \texture \filltype{type} type=black|white|shade +%% +%% For documentation, please see the accompanying manual +%% +%% Change Log; +%% o (October 2, 88) +%% Fixed the problem of \line (\@sline). When both x and y are +%% large, it produced 'bad character code' error. +%% +%% o (January 17, 89) +%% Add commands \blacken, \whiten, \shade, \texture +%% +%% o (January 17, 89) +%% Add \filltype{xxxxx} +%% xxxxx - black, white, shade +%% +\typeout{% +Extension to Epic and LaTeX. Version 1.1e - Released Dec 21, 1999} +% +\newcount\@gphlinewidth +\newcount\@eepictcnt +\newdimen\@tempdimc +\@gphlinewidth\@wholewidth \divide\@gphlinewidth 4736 + +%% Redefine \thinlines, \thicklines +%% See also latex.tex +\def\thinlines{\let\@linefnt\tenln \let\@circlefnt\tencirc + \@wholewidth\fontdimen8\tenln \@halfwidth .5\@wholewidth + \@gphlinewidth\@wholewidth \divide\@gphlinewidth 4736\relax} +\def\thicklines{\let\@linefnt\tenlnw \let\@circlefnt\tencircw + \@wholewidth\fontdimen8\tenlnw \@halfwidth .5\@wholewidth + \@gphlinewidth\@wholewidth \divide\@gphlinewidth 4736 + \advance\@gphlinewidth\@ne % Make the output looks better + \relax} +%% +%% To indicate whether the dot character is defined in the dotted join +%% environment or not (\@ifnodotdef) +\newif\if@nodotdef \global\@nodotdeftrue +%% +%% Redefine \dottedjoin +\def\dottedjoin{\global\@jointhemtrue \global\@joinkind=0\relax + \bgroup\@ifnextchar[{\global\@nodotdeffalse\@idottedjoin}% + {\global\@nodotdeftrue\@idottedjoin[\@empty]}} +%%---------------------------------------------------------------------- +%% Redefine \jput +\long\def\jput(#1,#2)#3{\@killglue\raise#2\unitlength\hbox to \z@{\hskip +#1\unitlength #3\hss}% +\if@jointhem \if@firstpoint \gdef\x@one{#1} \gdef\y@one{#2} \global\@firstpointfalse + \else\ifcase\@joinkind + \if@nodotdef + \@spdottedline{\dotgap@join\unitlength}% +(\x@one\unitlength ,\y@one\unitlength)(#1\unitlength,#2\unitlength) + \else + \@dottedline[\dotchar@join]{\dotgap@join\unitlength}% +(\x@one\unitlength,\y@one\unitlength)(#1\unitlength,#2\unitlength) + \fi + \or\@dashline[\dashlinestretch]{\dashlen@join\unitlength}[\dotgap@join]% +(\x@one,\y@one)(#1,#2) + \else\@drawline[\drawlinestretch](\x@one,\y@one)(#1,#2)\fi + \gdef\x@one{#1}\gdef\y@one{#2}% + \fi +\fi\ignorespaces} +%% +%% Redefine \dottedline to generate special whenever possible. +\def\dottedline{\@ifnextchar [{\@idottedline}{\@ispdottedline}} +%% Similar to \@idottedline but it generate \special +\def\@ispdottedline#1(#2,#3){\@ifnextchar (% +{\@iispdottedline{#1}(#2,#3)}{\relax}} +\def\@iispdottedline#1(#2,#3)(#4,#5){\@spdottedline{#1\unitlength}% +(#2\unitlength,#3\unitlength)(#4\unitlength,#5\unitlength)% +\@ispdottedline{#1}(#4,#5)} +% +\def\@spdottedline#1(#2,#3)(#4,#5){% + \@killglue % This line added by Piet van Oostrum, Dec 21, 1999. + \@tempcnta \@gphlinewidth\relax + \advance\@tempcnta by 2 % solely for better output + \special{pn \the\@tempcnta}% + \@tempdimc=#2\relax + \@tempcnta \@tempdimc\relax \advance\@tempcnta 2368 \divide\@tempcnta 4736 + \@tempdimc=#3\relax + \@tempcntb -\@tempdimc\relax\advance\@tempcntb -2368 \divide\@tempcntb 4736 + \@paspecial{\the\@tempcnta}{\the\@tempcntb}% + \@tempdimc=#4\relax + \@tempcnta \@tempdimc\relax \advance\@tempcnta 2368 \divide\@tempcnta 4736 + \@tempdimc=#5\relax + \@tempcntb -\@tempdimc\relax\advance\@tempcntb -2368 \divide\@tempcntb 4736 + \@paspecial{\the\@tempcnta}{\the\@tempcntb}% + \@tempdimc=#1\relax +%% +%% Generate the pen width in terms of inch with 3 decimal digit. + \@tempcnta \@tempdimc\relax \advance\@tempcnta 2368 \divide\@tempcnta 4736 +%% \@tempcnta contain the pen width in terms of thousandth of a inch +%% Then it is converted back to inch. I know the way I use is dumb but +%% I cannot think of any better method + \@tempcntb \@tempcnta\relax \divide\@tempcntb 1000 + \multiply \@tempcntb 1000 \advance\@tempcnta -\@tempcntb + \divide\@tempcntb 1000 + \ifnum\@tempcnta < 10 + \special{dt \the\@tempcntb.00\the\@tempcnta}% + \else\ifnum\@tempcnta < 100 + \special{dt \the\@tempcntb.0\the\@tempcnta}% + \else + \special{dt \the\@tempcntb.\the\@tempcnta}% + \fi\fi + \ignorespaces +} +% +\def\@iiidashline[#1]#2[#3](#4,#5)(#6,#7){% +\@dashline[#1]{#2\unitlength}[#3](#4,#5)(#6,#7)% +\@iidashline[#1]{#2}[#3](#6,#7)} +% +%% Redefine \@dashline +\long\def\@dashline[#1]#2[#3](#4,#5)(#6,#7){{% +\x@diff=#6\unitlength \advance\x@diff by -#4\unitlength +\y@diff=#7\unitlength \advance\y@diff by -#5\unitlength +%% correction to get actual width since the dash-length as taken in arguement +%% is the center-to-center of the end-points. +\@tempdima=#2\relax \advance\@tempdima -\@wholewidth +\sqrtandstuff{\x@diff}{\y@diff}{\@tempdima}% +\ifnum\num@segments <3 \num@segments=3\fi% min number of dashes I can plot +% is 2, 1 at either end, thus min num@segments is 3 (including 'empty dash'). +\@tempdima=\x@diff \@tempdimb=\y@diff +\divide\@tempdimb by\num@segments +\divide\@tempdima by\num@segments +%% ugly if-then-else. If optional dotgap specified, then use it otherwise +%% make a solid dash. +{\ifx#3\@empty \relax + \ifdim\@tempdima < 0pt \x@diff=-\@tempdima\else\x@diff=\@tempdima\fi + \ifdim\@tempdimb < 0pt \y@diff=-\@tempdimb\else\y@diff=\@tempdimb\fi + \global\setbox\@dotbox\hbox{% + \@absspdrawline(0pt,0pt)(\@tempdima,\@tempdimb)}% + \else\global\setbox\@dotbox\hbox{% + \@spdottedline{#3\unitlength}(0pt,0pt)(\@tempdima,\@tempdimb)}% + \fi}% +\advance\x@diff by -\@tempdima % both have same sign +\advance\y@diff by -\@tempdimb +% +%%here we correct the number of dashes to be put by reducing them +%%appropriately. (num@segments*\@wholewidth) is in some way the slack we +%%have,and division by dash-length gives the reduction. reduction = +%%(2*num@segments*\@wholewidth)/dash-length +%% (num@segments includes empty ones) +\@tempdima=\num@segments\@wholewidth \@tempdima=2\@tempdima +\@tempcnta\@tempdima\relax \@tempdima=#2\relax \@tempdimb=0.5\@tempdima +\@tempcntb\@tempdimb\relax \advance\@tempcnta by \@tempcntb % round-off error +\divide\@tempcnta by\@tempdima \advance\num@segments by -\@tempcnta +% +\ifnum #1=0 \relax\else\ifnum #1 < -100 + \typeout{***dashline: reduction > -100 percent implies blankness!***} +\else\num@segmentsi=#1 \advance\num@segmentsi by 100 + \multiply\num@segments by\num@segmentsi \divide\num@segments by 100 +\fi\fi +% +\divide\num@segments by 2 % earlier num@segments included 'empty dashes' too. +\ifnum\num@segments >0 % if =0 then don't divide => \x@diff & \y@diff + \divide\x@diff by\num@segments% remain same. + \divide\y@diff by\num@segments + \advance\num@segments by\@ne %for the last segment for which I subtracted + %\@tempdima & \@tempdimb from \x@diff & \y@diff + \else\num@segments=2 % one at each end. +\fi +%%\typeout{num@segments finally = \the\num@segments} +%% equiv to \multiput(#4,#5)(\x@diff,\y@diff){\num@segments}{\copy\@dotbox} +%% with arguements in absolute dimensions. +\@xdim=#4\unitlength \@ydim=#5\unitlength +\@killglue +\loop \ifnum\num@segments > 0 +\unskip\raise\@ydim\hbox to\z@{\hskip\@xdim \copy\@dotbox\hss}% +\advance\num@segments \m@ne\advance\@xdim\x@diff\advance\@ydim\y@diff% +\repeat}% +\ignorespaces} +%% redefine \@drawline +% +\def\@drawline[#1](#2,#3)(#4,#5){{% +\@drawitfalse\@horvlinefalse +\ifnum#1 <0 \relax\else\@horvlinetrue\fi +\if@horvline + \@spdrawline(#2,#3)(#4,#5) +\else\@drawittrue\fi +%%------------------------------- +\if@drawit +\ifnum #1=0 \relax \else\ifnum #1 < -99 + \typeout{***drawline: reduction <= -100 percent implies blankness!***}% +\else\num@segmentsi=#1 \advance\num@segmentsi by 50 + \multiply\num@segmentsi 2 +\fi\fi +\@dashline[\num@segmentsi]{10pt}[\@empty](#2,#3)(#4,#5) +\fi}\ignorespaces}% for \if@drawit +% +\def\@spdrawline(#1,#2)(#3,#4){% + \@absspdrawline(#1\unitlength,#2\unitlength)(#3\unitlength,#4\unitlength) + \ignorespaces +} +\def\@absspdrawline(#1,#2)(#3,#4){% + \@killglue % This line added by Piet van Oostrum, Dec 21, 1999. + \special{pn \the\@gphlinewidth}% + \@tempdimc=#1\relax + \@tempcnta \@tempdimc\relax \advance\@tempcnta 2368 \divide\@tempcnta 4736 + \@tempdimc=#2\relax + \@tempcntb -\@tempdimc\relax \advance\@tempcntb -2368 \divide\@tempcntb 4736 + \@paspecial{\the\@tempcnta}{\the\@tempcntb}% + \@tempdimc=#3\relax + \@tempcnta\@tempdimc\relax \advance\@tempcnta 2368 \divide\@tempcnta 4736 + \@tempdimc=#4\relax + \@tempcntb -\@tempdimc\relax \advance\@tempcntb -2368 \divide\@tempcntb 4736 + \@paspecial{\the\@tempcnta}{\the\@tempcntb}% + \special{fp}% + \ignorespaces +} +%%---------------------------------------------------------------------- +\def\@paspecial#1#2{% + \special{pa #1 #2}% +} +%% +%% Functions below modify the LaTeX commands and some additional commands +%% are not supported by LaTeX nor epic such as ThickLines and arc. +%% +%% The macros are for use with LaTeX picture environment +%% By including the macro file, you can draw +%% 1) \line in any slope +%% 2) \circle with any radius +%% 3) \ellipse with any x-axis and y-axis length +%% 4) Circular \arc by giving starting and ending angle (in radius) +%% +%% Furthermore you may draw lines in any thickness. +%% +%% +%% Redefine \thinlines, \thicklines and define \Thickline +%% See also latex.tex +\def\Thicklines{\let\@linefnt\tenlnw \let\@circlefnt\tencircw + \@wholewidth\fontdimen8\tenlnw \@wholewidth 1.5\@wholewidth + \@halfwidth .5\@wholewidth + \@gphlinewidth\@wholewidth \divide\@gphlinewidth 4736\relax} +%% +%% Generate the \special command for drawing arc +\def\@circlespecial#1#2#3#4{% + \special{pn \the\@gphlinewidth}% + \special{ar 0 0 #1 #2 #3 #4} +} +%% +%% Command for drawing an arc. Elliptical arc command can be generated +%% but all iptex program I saw so far does not support that. +\def\@arc#1#2#3#4{% +%% convert TeX dimension to length in terms thousandth of an inch + \@tempdima #1\unitlength + \@tempdimb #2\unitlength + \@tempcnta\@tempdima \advance\@tempcnta 4736 \divide\@tempcnta 9473 + \@tempcntb\@tempdimb \advance\@tempcntb 4736 \divide\@tempcntb 9473 + \setbox\@tempboxa\hbox{% + \@circlespecial{\the\@tempcnta}{\the\@tempcntb}{#3}{#4}}% + \wd\@tempboxa\z@ \box\@tempboxa} +%% +%% Command for drawing Circle and Ellipse in terms of \@arc +%% replace original \circle +\def\circle{% + \@ifstar{\copy\@filltype\@circle}{\@circle}} +\def\@circle#1{\@arc{#1}{#1}{0}{6.2832}} +\def\ellipse{% + \@ifstar{\copy\@filltype\@ellipse}{\@ellipse}} +\def\@ellipse#1#2{{\@arc{#1}{#2}{0}{6.2832}}} +\def\arc#1#2#3{\@arc{#1}{#1}{#2}{#3}} +%% +%% Generate \special commands for drawing line +\def\@linespecial#1#2{% + \special{pn \the\@gphlinewidth}% + \special{pa 0 0}% + \special{pa #1 #2}% + \special{fp}% +} +%% Replace original \line. Only change is to call \@ssline instead +%% of \@sline. For description, see latex.tex +\def\line(#1,#2)#3{\@xarg #1\relax \@yarg #2\relax +\@linelen=#3\unitlength +\ifnum\@xarg =0 \@vline + \else \ifnum\@yarg =0 \@hline \else \@ssline\fi +\fi} +%% +\def\@ssline{% + \ifnum\@xarg< 0 + \@negargtrue \@xarg -\@xarg \@tempdima -\@linelen + \else + \@negargfalse \@tempdima\@linelen + \fi +%% truncation is used in arithmetic + \@tempcnta\@linelen \divide\@tempcnta 4736 + \@yyarg -\@yarg \multiply\@yyarg \@tempcnta \divide\@yyarg\@xarg + \if@negarg + \@tempcnta -\@tempcnta + \fi + \setbox\@linechar\hbox{\@linespecial{\the\@tempcnta}{\the\@yyarg}}% + \wd\@linechar\@tempdima + \@clnht\@linelen + \multiply\@clnht\@yarg + \divide\@clnht\@xarg + \ifnum\@yarg< 0 + \@clnht -\@clnht + \ht\@linechar\z@ \dp\@linechar\@clnht + \else + \ht\@linechar\@clnht \dp\@linechar\z@ + \fi + \box\@linechar +} +%% +%% Replace original \@sline +\def\@sline{% + \@ssline +%% Codes below (till end of the command) is only necessary +%% when used with \@svector + \if@negarg + \@yyarg -\@yarg + \else + \@yyarg \@yarg + \fi + \setbox\@linechar\hbox{\@linefnt\@getlinechar(\@xarg,\@yyarg)}% + \ifnum\@yarg> 0 + \let\@upordown\raise + \advance\@clnht -\ht\@linechar + \else + \let\@upordown\lower + \fi + \if@negarg \kern\wd\@linechar \fi +} +%% +\def\spline(#1,#2){% + \@killglue % This line added by Piet van Oostrum, Dec 21, 1999. + \special{pn \the\@gphlinewidth}% + \@spline(#1,#2)% +} +\def\@spline(#1,#2){% + \@tempdima #1\unitlength + \@tempdimb #2\unitlength + \@tempcnta \@tempdima \advance\@tempcnta 2368 \divide\@tempcnta 4736 + \@tempcntb -\@tempdimb \advance\@tempcntb -2368 \divide\@tempcntb 4736 + \@paspecial{\the\@tempcnta}{\the\@tempcntb}% + \@ifnextchar ({\@spline}{\special{sp}}% +} +\def\path(#1,#2){% + \@killglue % This line added by Piet van Oostrum, Dec 20, 1999. + \special{pn \the\@gphlinewidth}% + \@path(#1,#2)% +} +\def\@path(#1,#2){% + \@tempdima #1\unitlength + \@tempdimb #2\unitlength + \@tempcnta \@tempdima \advance\@tempcnta 2368 \divide\@tempcnta 4736 + \@tempcntb -\@tempdimb \advance\@tempcntb -2368 \divide\@tempcntb 4736 + \@paspecial{\the\@tempcnta}{\the\@tempcntb}% + \@ifnextchar ({\@path}{\special{fp}}% +} + +%%%%%%%%%% Beginning of \oval %%%%%%%%%%%%%%% +\newdimen\maxovaldiam \maxovaldiam 40pt\relax + +\def\@oval(#1,#2)[#3]{\begingroup\boxmaxdepth \maxdimen + \@ovttrue \@ovbtrue \@ovltrue \@ovrtrue + \@tfor\@tempa :=#3\do{\csname @ov\@tempa false\endcsname}\@ovxx + #1\unitlength \@ovyy #2\unitlength + \@tempdimb \ifdim \@ovyy >\@ovxx \@ovxx\else \@ovyy \fi + \@ovro \ifdim \@tempdimb>\maxovaldiam \maxovaldiam\else\@tempdimb\fi\relax + \divide \@ovro \tw@ + \@ovdx\@ovxx \divide\@ovdx \tw@ + \@ovdy\@ovyy \divide\@ovdy \tw@ + \setbox\@tempboxa \hbox{% + \if@ovr \@ovverta\fi + \if@ovl \kern \@ovxx \@ovvertb\kern -\@ovxx \fi + \if@ovt \@ovhorz \kern -\@ovxx \fi + \if@ovb \raise \@ovyy \@ovhorz \fi}% Update by Piet van Oostrum (% added) + \ht\@tempboxa\z@ \dp\@tempboxa\z@ + \@put{-\@ovdx}{-\@ovdy}{\box\@tempboxa}% + \endgroup} + +\def\@qcirc#1#2#3#4{% + \special{pn \the\@gphlinewidth}% + \@eepictcnt \@gphlinewidth \divide\@eepictcnt 2 + \@tempcnta #1 + \advance\@tempcnta 2368 \divide\@tempcnta 4736 + \advance\@tempcnta\@eepictcnt + \@tempcntb #2 \divide\@tempcntb 4736 \advance\@tempcntb 2 + \hbox{% + \@qcircspecial{\the\@tempcnta}{-\the\@eepictcnt}{\the\@tempcntb}{#3}{#4}}% +} +\def\@qcircspecial#1#2#3#4#5{\special{ar #1 #2 #3 #3 #4 #5}} + +\def\@ovverta{\vbox to \@ovyy{% + \if@ovb + \kern \@ovro + \@qcirc{\@ovro}{\@ovro}{3.1416}{4.7124}\nointerlineskip + \else + \kern \@ovdy + \fi + \leaders\vrule width \@wholewidth\vfil \nointerlineskip + \if@ovt + \@qcirc{\@ovro}{\@ovro}{1.5708}{3.1416}\nointerlineskip + \kern \@ovro + \else + \kern \@ovdy + \fi +}\kern -\@wholewidth} + +\def\@ovvertb{\vbox to \@ovyy{% + \if@ovb + \kern \@ovro + \@qcirc{-\@ovro}{\@ovro}{4.6124}{6.2832}\nointerlineskip + \else + \kern \@ovdy + \fi + \leaders\vrule width \@wholewidth\vfil \nointerlineskip + \if@ovt + \@qcirc{-\@ovro}{\@ovro}{0}{1.6708}\nointerlineskip + \kern \@ovro + \else + \kern \@ovdy + \fi +}\kern -\@wholewidth} + +\def\@ovhorz{\hbox to \@ovxx{% + \if@ovr \kern \@ovro\else \kern \@ovdx \fi + \leaders \hrule height \@wholewidth \hfil + \if@ovl \kern \@ovro\else \kern \@ovdx \fi + }} +%%%%%%%%% End of \oval %%%%%%%%%%%%%% + +\def\allinethickness#1{\let\@linefnt\tenlnw \let\@circlefnt\tencircw + \@wholewidth #1 \@halfwidth .5\@wholewidth + \@gphlinewidth\@wholewidth \divide\@gphlinewidth 4736\relax} + +\def\blacken{\special{bk}} +\def\whiten{\special{wh}} +\def\shade{\special{sh}} +\def\texture#1{\special{tx #1}\ignorespaces} +%% +\newbox\@filltype +\setbox\@filltype\hbox{\special{bk}} +\def\filltype#1{\@nameuse{ft@#1}} +\def\ft@black{\setbox\@filltype\hbox{\special{bk}}} +\def\ft@white{\setbox\@filltype\hbox{\special{wh}}} +\def\ft@shade{\setbox\@filltype\hbox{\special{sh}}} +%% |