% Copyright 2008 by Till Tantau and others Wibrow % % This file may be distributed and/or modified % % 1. under the LaTeX Project Public License and/or % 2. under the GNU Public License. % % See the file doc/generic/pgf/licenses/LICENSE for more details. % % Base shapes % % These shapes are identical to the shapes without "ee", only an "input" % and an "output" anchor have been added at the left and right end. \pgfdeclareshape{rectangle ee} { \inheritsavedanchors[from=rectangle] \inheritanchorborder[from=rectangle] \inheritanchor[from=rectangle]{north} \inheritanchor[from=rectangle]{north west} \inheritanchor[from=rectangle]{north east} \inheritanchor[from=rectangle]{center} \inheritanchor[from=rectangle]{west} \inheritanchor[from=rectangle]{east} \inheritanchor[from=rectangle]{mid} \inheritanchor[from=rectangle]{mid west} \inheritanchor[from=rectangle]{mid east} \inheritanchor[from=rectangle]{base} \inheritanchor[from=rectangle]{base west} \inheritanchor[from=rectangle]{base east} \inheritanchor[from=rectangle]{south} \inheritanchor[from=rectangle]{south west} \inheritanchor[from=rectangle]{south east} \inheritbackgroundpath[from=rectangle] % New: \anchor{input}{ \pgf@process{\northeast}% \pgf@ya=.5\pgf@y% \pgf@process{\southwest}% \pgf@y=.5\pgf@y% \advance\pgf@y by \pgf@ya% } \anchor{output}{% \pgf@process{\southwest}% \pgf@ya=.5\pgf@y% \pgf@process{\northeast}% \pgf@y=.5\pgf@y% \advance\pgf@y by \pgf@ya% } } \pgfdeclareshape{circle ee} { \inheritsavedanchors[from=circle] \inheritanchorborder[from=circle] \inheritanchor[from=circle]{north} \inheritanchor[from=circle]{north west} \inheritanchor[from=circle]{north east} \inheritanchor[from=circle]{center} \inheritanchor[from=circle]{west} \inheritanchor[from=circle]{east} \inheritanchor[from=circle]{mid} \inheritanchor[from=circle]{mid west} \inheritanchor[from=circle]{mid east} \inheritanchor[from=circle]{base} \inheritanchor[from=circle]{base west} \inheritanchor[from=circle]{base east} \inheritanchor[from=circle]{south} \inheritanchor[from=circle]{south west} \inheritanchor[from=circle]{south east} \inheritbackgroundpath[from=circle] % New: \anchor{input}{\centerpoint\advance\pgf@x by-\radius} \anchor{output}{\centerpoint\advance\pgf@x by\radius} } % % Current direction indicator. This shape uses the current setting of % the current direction arrow tip for the arrow. The shape is a % rectangle around the arrow tip. % \pgfdeclareshape{direction ee} { \savedanchor\northeast{ \pgf@x=0pt% % Height is given by minimum height/2 \pgfmathsetlength{\pgf@y}{\pgfkeysvalueof{/pgf/minimum height}}% \pgf@y=.5\pgf@y } \savedanchor\southwest{ % Left border is given by left extend \pgfarrowtotallength{\pgfkeysvalueof{/pgf/direction ee arrow}}% \pgf@x=-\pgf@x% % Height is given by minimum height/2 \pgfmathsetlength{\pgf@y}{\pgfkeysvalueof{/pgf/minimum height}}% \pgf@y=-.5\pgf@y } \inheritanchor[from=rectangle ee]{center} \inheritanchor[from=rectangle ee]{north} \inheritanchor[from=rectangle ee]{south} \inheritanchor[from=rectangle ee]{east} \inheritanchor[from=rectangle ee]{west} \inheritanchor[from=rectangle ee]{north east} \inheritanchor[from=rectangle ee]{north west} \inheritanchor[from=rectangle ee]{south east} \inheritanchor[from=rectangle ee]{south west} \inheritanchor[from=rectangle ee]{input} \inheritanchor[from=rectangle ee]{output} \inheritanchorborder[from=rectangle ee] \nodeparts{}% no text \behindbackgroundpath{ \pgf@process{\southwest} \pgf@xa=\pgf@x \pgf@process{\northeast} \pgf@xb=\pgf@x \pgfpathmoveto{\pgfqpoint{\pgf@xa}{0pt}} \pgfpathlineto{\pgfqpoint{\pgf@xb}{0pt}} \pgfusepathqstroke } \beforebackgroundpath{ { \pgfsys@beginscope \pgfarrowdraw{\pgfkeysvalueof{/pgf/direction ee arrow}}% \pgfsys@endscope } } } \pgfkeys{ /pgf/direction ee arrow/.initial=direction ee, } % Special arrow for ee directions: \pgfarrowsdeclare{direction ee}{direction ee} { \pgfmathsetlength\pgfutil@tempdima{\pgfgetarrowoptions{direction ee}}% \pgfutil@tempdima=.5\pgfutil@tempdima \pgfarrowsleftextend{+-\pgfutil@tempdima} \pgfarrowsrightextend{+\pgfutil@tempdima} } { \pgfmathsetlength\pgfutil@tempdima{\pgfgetarrowoptions{direction ee}}% \pgfsetdash{}{+0pt} \pgfsetroundjoin \pgfpathmoveto{\pgfqpoint{-0.5\pgfutil@tempdima}{0.38268343237\pgfutil@tempdima}} \pgfpathlineto{\pgfqpoint{0.5\pgfutil@tempdima}{0\pgfutil@tempdima}} \pgfpathlineto{\pgfqpoint{-0.5\pgfutil@tempdima}{-0.38268343237\pgfutil@tempdima}} \pgfpathclose \pgfusepathqfillstroke } \pgfsetarrowoptions{direction ee}{4pt} \endinput