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Diffstat (limited to 'graphics/pgf/base/tex/generic/libraries/shapes/pgflibraryshapes.misc.code.tex')
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diff --git a/graphics/pgf/base/tex/generic/libraries/shapes/pgflibraryshapes.misc.code.tex b/graphics/pgf/base/tex/generic/libraries/shapes/pgflibraryshapes.misc.code.tex new file mode 100644 index 0000000000..477a7b7caf --- /dev/null +++ b/graphics/pgf/base/tex/generic/libraries/shapes/pgflibraryshapes.misc.code.tex @@ -0,0 +1,1127 @@ +% Copyright 2018 by Till Tantau +% +% 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. + +\ProvidesFileRCS{pgflibraryshapes.misc.code.tex} + + +\pgfdeclareshape{cross out} +{% + \inheritsavedanchors[from=rectangle]% % this is nearly a 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}% + \foregroundpath{ + % store lower right in xa/ya and upper right in xb/yb + \southwest \pgf@xa=\pgf@x \pgf@ya=\pgf@y + \northeast \pgf@xb=\pgf@x \pgf@yb=\pgf@y + \pgfpathmoveto{\pgfqpoint{\pgf@xa}{\pgf@ya}} + \pgfpathlineto{\pgfqpoint{\pgf@xb}{\pgf@yb}} + \pgfpathmoveto{\pgfqpoint{\pgf@xa}{\pgf@yb}} + \pgfpathlineto{\pgfqpoint{\pgf@xb}{\pgf@ya}} + \pgfsetarrowsstart{} + \pgfsetarrowsend{} + }% +}% + + +\pgfdeclareshape{strike out} +{% + \inheritsavedanchors[from=rectangle]% % this is nearly a 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}% + \foregroundpath{ + \pgfpathmoveto{\southwest} + \pgfpathlineto{\northeast} + \pgfsetarrowsstart{} + \pgfsetarrowsend{} + }% +}% + + +% Rounded rectangle + + +\pgfkeys{/pgf/.cd, + rounded rectangle west arc/.initial=convex, + rounded rectangle east arc/.initial=convex, + rounded rectangle left arc/.style={/pgf/rounded rectangle west arc={#1}},% + rounded rectangle right arc/.style={/pgf/rounded rectangle east arc={#1}},% + rounded rectangle arc length/.initial=180% +}% + +\def\pgf@lib@sh@misc@rr@text@concave{concave}% +\def\pgf@lib@sh@misc@rr@text@convex{convex}% + +\pgfdeclareshape{rounded rectangle}{% + \savedmacro\westarc{% + \edef\westarc{\pgfkeysvalueof{/pgf/rounded rectangle west arc}}% + }% + \savedmacro\eastarc{% + \edef\eastarc{\pgfkeysvalueof{/pgf/rounded rectangle east arc}}% + }% + \savedmacro\roundedrectanglepoints{% + % + % Get half the arc angle, a. + % + \pgfmathsetlength\pgf@x{\pgfkeysvalueof{/pgf/rounded rectangle arc length}}% + \pgf@x=.5\pgf@x% + \edef\halfarcangle{\pgfmath@tonumber{\pgf@x}}% + \addtosavedmacro\halfarcangle% + % + % Get the (half) node dimensions x & y. + % + \pgfmathsetlength\pgf@x{\pgfkeysvalueof{/pgf/inner xsep}}% + \edef\innerxsep{\the\pgf@x}% + \pgf@xa=0.5\wd\pgfnodeparttextbox% + \edef\halftextwidth{\the\pgf@xa}% + \addtosavedmacro\halftextwidth% + \advance\pgf@x by\pgf@xa% + % + \pgfmathsetlength\pgf@y{\pgfkeysvalueof{/pgf/inner ysep}}% + \edef\innerysep{\the\pgf@y}% + \pgf@ya=.5\ht\pgfnodeparttextbox% + \advance\pgf@ya by.5\dp\pgfnodeparttextbox% + \edef\halftextheight{\the\pgf@ya}% + \addtosavedmacro\halftextheight% + \advance\pgf@y by\pgf@ya% + % + % Adjust for minimum height + % + \pgfmathsetlength\pgf@yb{\pgfkeysvalueof{/pgf/minimum height}}% + \ifdim\pgf@y<.5\pgf@yb% + \pgf@y=.5\pgf@yb% + \fi% + \edef\halfheight{\the\pgf@y}% + \addtosavedmacro\halfheight% + % + % Calculate the radius of the arc ends. + % + \pgfmathcosec@{\halfarcangle}% + \pgf@ya=\pgfmathresult\pgf@y% + \edef\radius{\the\pgf@ya}% + \addtosavedmacro\radius% + % + % Arc width = r - r*cos(a/2). + % + \pgfmathcos@{\halfarcangle}% + \pgf@xa=\pgf@ya% + \advance\pgf@xa by-\pgfmathresult\pgf@ya% + % + % When the node contents are pushed inside a convex arc, + % the resulting chord has a height r - r*cos(asin(0.5*h/r)). + % + \pgfmathdivide{\halftextheight}{\radius}% + \pgfmathasin@{\pgfmathresult}% + \pgfmathcos@{\pgfmathresult}% + \pgf@xb=\pgf@ya% + \advance\pgf@xb by-\pgfmathresult\pgf@ya% + % + % Adjust for minimum width. + % + \edef\westarc{\pgfkeysvalueof{/pgf/rounded rectangle west arc}}% + \edef\eastarc{\pgfkeysvalueof{/pgf/rounded rectangle east arc}}% + % + \pgfutil@tempdima=2.0\pgf@x% x still holds the half width. + \ifx\westarc\pgf@lib@sh@misc@rr@text@concave% + \advance\pgfutil@tempdima by\pgf@xa% + \else% + \ifx\westarc\pgf@lib@sh@misc@rr@text@convex% + \advance\pgfutil@tempdima by\pgf@xb% + \fi% + \fi% + % + \ifx\eastarc\pgf@lib@sh@misc@rr@text@concave% + \advance\pgfutil@tempdima by\pgf@xa% + \else% + \ifx\eastarc\pgf@lib@sh@misc@rr@text@convex% + \advance\pgfutil@tempdima by\pgf@xb% + \fi% + \fi% + % + \pgfmathsetlength\pgfutil@tempdimb{\pgfkeysvalueof{/pgf/minimum width}}% + \ifdim\pgfutil@tempdima<\pgfutil@tempdimb% + \advance\pgfutil@tempdimb by-\pgfutil@tempdima% + \divide\pgfutil@tempdimb by2\relax% + \edef\xoffset{\the\pgfutil@tempdimb}% + \else% + \let\xoffset=\innerxsep% + \fi% + % + % The node is made wider if convex arcs overlap. + % + \pgf@x=\halftextwidth\relax% + \advance\pgf@x by\xoffset\relax% + \pgf@xc=\pgf@ya% + \advance\pgf@xc by-\pgf@xb% + \ifdim\pgf@xc>\pgf@x\relax% + \advance\pgf@xc by-\pgf@x% + \advance\pgf@xc by\xoffset\relax% + \edef\xoffset{\the\pgf@xc}% + \fi% + \addtosavedmacro\xoffset% + % + \pgf@x=\halftextwidth\relax% + \advance\pgf@x by\xoffset\relax% + \edef\halfwidth{\the\pgf@x}% + \addtosavedmacro\halfwidth% + % + \edef\arcwidth{\the\pgf@xa}% + \addtosavedmacro\arcwidth% + % + \edef\chordwidth{\the\pgf@xb}% + \addtosavedmacro\chordwidth% + % + \pgfmathsetlengthmacro\outerxsep{\pgfkeysvalueof{/pgf/outer xsep}}% + \pgfmathsetlengthmacro\outerysep{\pgfkeysvalueof{/pgf/outer ysep}}% + \addtosavedmacro\outerxsep% + \addtosavedmacro\outerysep% + % + % calculate some horizontal adjustments made for the default miter + % drawn when an arc meets the north or south side of the node path. + % + \ifdim\halfarcangle pt=90pt\relax% Avoid division by zero. + \def\concavexshift{0pt}% + \else% + % For a concave arc: outer xsep * cosec((90-a/2)/2)*cos((90-a/2)/2). + \pgfmathsubtract@{90}{\halfarcangle}% + \pgfmathdivide@{\pgfmathresult}{2}% + \let\angletemp=\pgfmathresult% + \pgf@x=\outerxsep\relax% + \pgfmathcosec@{\angletemp}% + \pgf@x=\pgfmathresult\pgf@x% + \pgfmathcos@{\angletemp}% + \pgf@x=\pgfmathresult\pgf@x% + \edef\concavexshift{\the\pgf@x}% + \fi% + \addtosavedmacro\concavexshift% + % + \ifdim\halfarcangle pt=90pt\relax% Avoid division by zero. + \def\convexxshift{0pt}% + \else% + % For a convex arc: outer xsep * cosec((90+a/2)/2)*cos((90+a/2)/2). + \pgfmathadd@{90}{\halfarcangle}% + \pgfmathdivide@{\pgfmathresult}{2}% + \let\angletemp=\pgfmathresult% + \pgf@x=\outerxsep\relax% + \pgfmathcosec@{\angletemp}% + \pgf@x=\pgfmathresult\pgf@x% + \pgfmathcos@{\angletemp}% + \pgf@x=\pgfmathresult\pgf@x% + \edef\convexxshift{\the\pgf@x}% + \fi% + \addtosavedmacro\convexxshift% + }% + \saveddimen\halflinewidth{\pgf@x.5\pgflinewidth}% + \savedanchor\centerpoint{% + \pgf@x=.5\wd\pgfnodeparttextbox% + \pgf@y=.5\ht\pgfnodeparttextbox% + \advance\pgf@y by-.5\dp\pgfnodeparttextbox% + }% + \savedanchor\midpoint{% + \pgf@x=.5\wd\pgfnodeparttextbox% + \pgfmathsetlength\pgf@y{+0.5ex}% + }% + \savedanchor\basepoint{% + \pgf@x=.5\wd\pgfnodeparttextbox% + \pgf@y=0pt\relax% + }% + \anchor{center}{\centerpoint}% + \anchor{mid}{\midpoint}% + \anchor{mid west}{% + \csname pgf@anchor@rounded rectangle@west\endcsname% + \pgf@xc=\pgf@x% + \midpoint% + \pgf@x=\pgf@xc% + }% + \anchor{mid east}{% + \csname pgf@anchor@rounded rectangle@east\endcsname% + \pgf@xc=\pgf@x% + \midpoint% + \pgf@x=\pgf@xc% + }% + \anchor{base}{\basepoint}% + \anchor{base west}{% + \csname pgf@anchor@rounded rectangle@west\endcsname% + \pgf@xc=\pgf@x% + \basepoint% + \pgf@x=\pgf@xc% + }% + \anchor{base east}{% + \csname pgf@anchor@rounded rectangle@east\endcsname% + \pgf@xc=\pgf@x% + \basepoint% + \pgf@x=\pgf@xc% + }% + \anchor{north}{% + \roundedrectanglepoints% + \pgfpointadd{\centerpoint}{\pgfpoint{+0pt}{\halfheight+\outerysep}}% + }% + \anchor{south}{% + \roundedrectanglepoints% + \pgfpointadd{\centerpoint}{\pgfpoint{+0pt}{-\halfheight-\outerysep}}% + }% + \anchor{west}{% + \roundedrectanglepoints% + \pgfpointadd{\centerpoint}{% + \ifx\westarc\pgf@lib@sh@misc@rr@text@concave% + \pgfpoint{-\halfwidth-\arcwidth-\concavexshift}{+0pt}% + \else% + \ifx\westarc\pgf@lib@sh@misc@rr@text@convex% + \pgfpoint{-\halfwidth-\chordwidth-\outerxsep}{+0pt}% + \else% + \pgfpoint{-\halfwidth-\outerxsep}{+0pt}% + \fi% + \fi% + }% + }% + \anchor{north west}{% + \roundedrectanglepoints% + \ifx\westarc\pgf@lib@sh@misc@rr@text@convex% + \pgfpointadd{\centerpoint}{\pgfpoint{-\halfwidth-\chordwidth+\arcwidth-\convexxshift}{+0pt}}% + \else% + \csname pgf@anchor@rounded rectangle@west\endcsname% + \fi% + \pgf@xc=\pgf@x% + \csname pgf@anchor@rounded rectangle@north\endcsname% + \pgf@x=\pgf@xc% + }% + \anchor{south west}{% + \roundedrectanglepoints% + \ifx\westarc\pgf@lib@sh@misc@rr@text@convex% + \pgfpointadd{\centerpoint}{\pgfpoint{-\halfwidth-\chordwidth+\arcwidth-\convexxshift}{+0pt}}% + \else% + \csname pgf@anchor@rounded rectangle@west\endcsname% + \fi% + \pgf@xc=\pgf@x% + \csname pgf@anchor@rounded rectangle@south\endcsname% + \pgf@x=\pgf@xc% + }% + \anchor{east}{% + \roundedrectanglepoints% + \pgfpointadd{\centerpoint}{% + \ifx\eastarc\pgf@lib@sh@misc@rr@text@concave% + \pgfpoint{\halfwidth+\arcwidth+\concavexshift}{+0pt}% + \else% + \ifx\eastarc\pgf@lib@sh@misc@rr@text@convex% + \pgfpoint{\halfwidth+\chordwidth+\outerxsep}{+0pt}% + \else% + \pgfpoint{\halfwidth+\outerxsep}{+0pt}% + \fi% + \fi% + }% + }% + \anchor{north east}{% + \roundedrectanglepoints% + \ifx\eastarc\pgf@lib@sh@misc@rr@text@convex% + \pgfpointadd{\centerpoint}{\pgfpoint{\halfwidth+\chordwidth-\arcwidth+\convexxshift}{+0pt}}% + \else% + \csname pgf@anchor@rounded rectangle@east\endcsname% + \fi% + \pgf@xc=\pgf@x% + \csname pgf@anchor@rounded rectangle@north\endcsname% + \pgf@x=\pgf@xc% + }% + \anchor{south east}{% + \roundedrectanglepoints% + \ifx\eastarc\pgf@lib@sh@misc@rr@text@convex% + \pgfpointadd{\centerpoint}{\pgfpoint{\halfwidth+\chordwidth-\arcwidth+\convexxshift}{+0pt}}% + \else% + \csname pgf@anchor@rounded rectangle@east\endcsname% + \fi% + \pgf@xc=\pgf@x% + \csname pgf@anchor@rounded rectangle@south\endcsname% + \pgf@x=\pgf@xc% + }% + \backgroundpath{% + {% + \roundedrectanglepoints% + \pgftransformshift{\centerpoint}% + \pgfpathmoveto{\pgfpoint{0pt}{\halfheight}}% + \ifx\eastarc\pgf@lib@sh@misc@rr@text@concave% + \pgfpathlineto{\pgfpoint{\halfwidth+\arcwidth}{+\halfheight}}% + \pgfpatharc{180-\halfarcangle}{180+\halfarcangle}{+\radius}% + \else% + \ifx\eastarc\pgf@lib@sh@misc@rr@text@convex% + \pgfpathlineto{\pgfpoint{\halfwidth+\chordwidth-\arcwidth}{+\halfheight}}% + \pgfpatharc{+\halfarcangle}{+-\halfarcangle}{+\radius}% + \else% + \pgfpathlineto{\pgfqpoint{\halfwidth}{\halfheight}}% + \pgfpathlineto{\pgfqpoint{\halfwidth}{-\halfheight}}% + \fi% + \fi% + \ifx\westarc\pgf@lib@sh@misc@rr@text@concave% + \pgfpathlineto{\pgfpoint{-\halfwidth-\arcwidth}{+-\halfheight}}% + \pgfpatharc{+-\halfarcangle}{+\halfarcangle}{+\radius}% + \else% + \ifx\westarc\pgf@lib@sh@misc@rr@text@convex% + \pgfpathlineto{\pgfpoint{-\halfwidth-\chordwidth+\arcwidth}{+-\halfheight}}% + \pgfpatharc{180+\halfarcangle}{180-\halfarcangle}{+\radius}% + \else% + \pgfpathlineto{\pgfqpoint{-\halfwidth}{-\halfheight}}% + \pgfpathlineto{\pgfqpoint{-\halfwidth}{\halfheight}}% + \fi% + \fi% + \pgfpathclose% + }% + }% + \anchorborder{% + \pgfextract@process\externalpoint{% + \pgfextract@process\externalpoint{}% + \pgfpointadd{\centerpoint}{\externalpoint}% + }% + \roundedrectanglepoints% + % + \pgfmathanglebetweenpoints{\centerpoint}{\externalpoint}% + \let\externalangle=\pgfmathresult% + \pgfmathanglebetweenpoints{\centerpoint}{\csname pgf@anchor@rounded rectangle@north west\endcsname}% + \ifdim\externalangle pt<\pgfmathresult pt\relax% + \pgfmathanglebetweenpoints{\centerpoint}{\csname pgf@anchor@rounded rectangle@north east\endcsname}% + \ifdim\externalangle pt<\pgfmathresult pt\relax% + % Between north east and east. + \ifx\eastarc\pgf@lib@sh@misc@rr@text@convex% + \pgfextract@process\arccenter{% + \pgfpointadd{\centerpoint}{\pgfpoint{\halfwidth+\chordwidth-\radius}{+0pt}}% + }% + \pgfmathpointintersectionoflineandarc{\externalpoint}{\centerpoint}% + {\arccenter}{0}{\halfarcangle}{\radius+\outerxsep and \radius+\outerysep}% + \else% + \pgfpointintersectionoflines% + {\csname pgf@anchor@rounded rectangle@north east\endcsname}% + {\csname pgf@anchor@rounded rectangle@south east\endcsname}% + {\externalpoint}{\centerpoint}% + \fi% + \else% + % Between north west and north east. + \pgfpointintersectionoflines% + {\csname pgf@anchor@rounded rectangle@north east\endcsname}% + {\csname pgf@anchor@rounded rectangle@north west\endcsname}% + {\externalpoint}{\centerpoint}% + \fi% + \else% + \pgfmathanglebetweenpoints{\centerpoint}{\csname pgf@anchor@rounded rectangle@south west\endcsname}% + \ifdim\externalangle pt<\pgfmathresult pt\relax% + % Between south west and north west. + \ifx\westarc\pgf@lib@sh@misc@rr@text@convex% + \pgfextract@process\arccenter{% + \pgfpointadd{\centerpoint}{\pgfpoint{-\halfwidth-\chordwidth+\radius}{+0pt}}% + }% + \pgfmathpointintersectionoflineandarc{\externalpoint}{\centerpoint}% + {\arccenter}{180-\halfarcangle}{180+\halfarcangle}{\radius+\outerxsep and \radius+\outerysep}% + \else% + \pgfpointintersectionoflines% + {\csname pgf@anchor@rounded rectangle@north west\endcsname}% + {\csname pgf@anchor@rounded rectangle@south west\endcsname}% + {\externalpoint}{\centerpoint}% + \fi% + \else% + \pgfmathanglebetweenpoints{\centerpoint}{\csname pgf@anchor@rounded rectangle@south east\endcsname}% + \ifdim\externalangle pt<\pgfmathresult pt\relax% + % Between south east and south west. + \pgfpointintersectionoflines% + {\csname pgf@anchor@rounded rectangle@south east\endcsname}% + {\csname pgf@anchor@rounded rectangle@south west\endcsname}% + {\externalpoint}{\centerpoint}% + \else% + % Between east and south east. + \ifx\eastarc\pgf@lib@sh@misc@rr@text@convex% + \pgfextract@process\arccenter{% + \pgfpointadd{\centerpoint}{\pgfpoint{\halfwidth+\chordwidth-\radius}{+0pt}}% + }% + \pgfmathpointintersectionoflineandarc{\externalpoint}{\centerpoint}% + {\arccenter}{360-\halfarcangle}{360}{\radius+\outerxsep and \radius+\outerysep}% + \else% + \pgfpointintersectionoflines% + {\csname pgf@anchor@rounded rectangle@north east\endcsname}% + {\csname pgf@anchor@rounded rectangle@south east\endcsname}% + {\externalpoint}{\centerpoint}% + \fi% + \fi% + \fi% + \fi% + }% +}% + + + +% Keys for chamfered rectangle +% +% /pgf/chamfered rectangle corners : specify the corners to chamfer. +% /pgf/chamfered rectangle angle : set the angle of the chamfer. +% /pgf/chamfered rectangle xsep : set the extent of the x chamferling. +% /pgf/chamfered rectangle ysep : set the extent of the y chamferling. + +\pgfkeys{/pgf/chamfered rectangle corners/.store in=\pgf@lib@sh@misc@cr@corners}% +\pgfkeys{/tikz/chamfered rectangle corners/.store in=\pgf@lib@sh@misc@cr@corners}% + +\def\pgf@lib@sh@misc@cr@chamferall{chamfer all}% +\def\pgf@lib@sh@misc@cr@chamfer{chamfer}% +\let\pgf@lib@sh@misc@cr@corners\pgf@lib@sh@misc@cr@chamferall + + +\def\pgf@lib@sh@misc@cr@getcorners{% + \let\northeastcorner\pgfutil@empty% + \let\southeastcorner\pgfutil@empty% + \let\southwestcorner\pgfutil@empty% + \let\northwestcorner\pgfutil@empty% + \expandafter\pgfutil@in@\expandafter{\pgf@lib@sh@misc@cr@corners}{chamfer all}% + \ifpgfutil@in@% + \let\northeastcorner\pgf@lib@sh@misc@cr@round% + \let\southeastcorner\pgf@lib@sh@misc@cr@round% + \let\southwestcorner\pgf@lib@sh@misc@cr@round% + \let\northwestcorner\pgf@lib@sh@misc@cr@round% + \let\pgf@next\relax% + \else% + \let\pgf@next\pgf@lib@sh@misc@cr@parsecorners% + \fi% + \pgf@next}% + +\def\pgf@lib@sh@misc@cr@parsecorners{% + \expandafter\pgf@@chamferedrectangle@parsecorners\pgf@lib@sh@misc@cr@corners,\pgf@stop,% +}% + +\def\pgf@@chamferedrectangle@parsecorners#1,{% + \ifx#1\pgf@stop% + \let\pgf@next\relax% + \else% + \pgfutil@in@{@#1@}{@north east@@top left@}% + \ifpgfutil@in@% + \let\northeastcorner\pgf@lib@sh@misc@cr@chamfer% + \else% + \pgfutil@in@{@#1@}{@south east@@bottom right@}% + \ifpgfutil@in@% + \let\southeastcorner\pgf@lib@sh@misc@cr@chamfer% + \else% + \pgfutil@in@{@#1@}{@south west@@bottom left@}% + \ifpgfutil@in@% + \let\southwestcorner\pgf@lib@sh@misc@cr@chamfer% + \else% + \pgfutil@in@{@#1@}{@north west@@top right@}% + \ifpgfutil@in@% + \let\northwestcorner\pgf@lib@sh@misc@cr@round% + \fi% + \fi% + \fi% + \fi% + \let\pgf@next\pgf@@@chamferedrectangle@parsecorners% + \fi% + \pgf@next% +}% +\def\pgf@@@chamferedrectangle@parsecorners{% + \pgfutil@ifnextchar x{\pgf@@chamferedrectangle@parsecorners}{\pgf@@chamferedrectangle@parsecorners}% +}% + +\pgfkeys{/pgf/.cd, + chamfered rectangle angle/.initial=45,% + chamfered rectangle xsep/.initial=.666ex,% + chamfered rectangle ysep/.initial=.666ex% +}% + \pgfkeys{/pgf/chamfered rectangle sep/.style={% + /pgf/chamfered rectangle xsep={#1},/pgf/chamfered rectangle ysep={#1}}% +}% + + + + +% Shape chamfered rectangle. +% +% +\pgfdeclareshape{chamfered rectangle}{% + \savedmacro\getchamferedrectanglepoints{% + \pgf@lib@sh@misc@cr@getcorners% + % + % Get the node dimensions. + % + \pgfmathsetlength\pgf@xa{\pgfkeysvalueof{/pgf/inner xsep}}% + \advance\pgf@xa.5\wd\pgfnodeparttextbox% + \pgfmathsetlength\pgf@ya{\pgfkeysvalueof{/pgf/inner ysep}}% + \advance\pgf@ya.5\ht\pgfnodeparttextbox% + \advance\pgf@ya.5\dp\pgfnodeparttextbox% + % + % Get chamfer stuff. + % + \pgfmathsetlength\pgfutil@tempdima{\pgfkeysvalueof{/pgf/chamfered rectangle angle}}% + \ifdim\pgfutil@tempdima<89pt\relax% + \ifdim\pgfutil@tempdima<1pt\relax% + \pgfutil@tempdima1pt\relax% + \fi% + \else% + \pgfutil@tempdima89pt\relax% + \fi% + \pgfutil@tempdima-\pgfutil@tempdima% + \advance\pgfutil@tempdima90pt\relax% + \pgfmathtan@{\pgfmath@tonumber{\pgfutil@tempdima}}% + \let\tanangle\pgfmathresult% + \pgfmathcot@{\pgfmath@tonumber{\pgfutil@tempdima}}% + \let\cotangle\pgfmathresult% + \pgfmathsetlength\pgf@xb{\pgfkeysvalueof{/pgf/chamfered rectangle xsep}}% + \pgf@yc\tanangle\pgf@xb% + \ifdim\pgf@yc>\pgf@ya% + \pgf@yc\pgf@ya% + \pgf@xb\cotangle\pgf@yc% + \fi% + \pgfmathcot@{\pgfmath@tonumber{\pgfutil@tempdima}}% + \pgfmathsetlength\pgf@yb{\pgfkeysvalueof{/pgf/chamfered rectangle ysep}}% + \pgf@xc\cotangle\pgf@yb% + \ifdim\pgf@xc>\pgf@xa% + \pgf@xc\pgf@xa% + \pgf@yb\tanangle\pgf@xc% + \fi% + % + % Check for minimum width and height% + % + \pgfutil@tempdima\pgf@xa% + \advance\pgfutil@tempdima\pgf@xb% + \pgfmathsetlength\pgfutil@tempdimb{\pgfkeysvalueof{/pgf/minimum width}}% + \ifdim\pgfutil@tempdima<.5\pgfutil@tempdimb% + \pgf@xa.5\pgfutil@tempdimb% + \advance\pgf@xa-\pgf@xb% + \fi% + \pgfutil@tempdima\pgf@ya% + \advance\pgfutil@tempdima\pgf@yb% + \pgfmathsetlength\pgfutil@tempdimb{\pgfkeysvalueof{/pgf/minimum height}}% + \ifdim\pgfutil@tempdima<.5\pgfutil@tempdimb% + \pgf@ya.5\pgfutil@tempdimb% + \advance\pgf@ya-\pgf@yb% + \fi% + % + % Define the background path points. + % + \pgfextract@process\centerpoint{% + \pgfmathsetlength\pgf@x{+.5\wd\pgfnodeparttextbox}% + \pgfmathsetlength\pgf@y{+.5\ht\pgfnodeparttextbox}% + \pgfmathaddtolength\pgf@y{+-.5\dp\pgfnodeparttextbox}% + }% + \pgfextract@process\beforenortheast{% + \centerpoint% + \advance\pgf@x\pgf@xa% + \advance\pgf@x\pgf@xb% + \advance\pgf@y\pgf@ya% + \advance\pgf@y-\pgf@yc% + }% + \pgfextract@process\northeast{% + \centerpoint% + \advance\pgf@x\pgf@xa% + \advance\pgf@y\pgf@ya% + \ifx\northeastcorner\pgfutil@empty% + \advance\pgf@x\pgf@xb% + \advance\pgf@y\pgf@yb% + \fi% + }% + \pgfextract@process\afternortheast{% + \centerpoint% + \advance\pgf@x\pgf@xa% + \advance\pgf@x-\pgf@xc% + \advance\pgf@y\pgf@ya% + \advance\pgf@y\pgf@yb% + }% + \pgfextract@process\northwest{% + \centerpoint% + \advance\pgf@x-\pgf@xa% + \advance\pgf@y\pgf@ya% + \ifx\northwestcorner\pgfutil@empty% + \advance\pgf@x-\pgf@xb% + \advance\pgf@y\pgf@yb% + \fi% + }% + \pgfextract@process\beforesouthwest{% + \centerpoint% + \advance\pgf@x-\pgf@xa% + \advance\pgf@x-\pgf@xb% + \advance\pgf@y-\pgf@ya% + \advance\pgf@y\pgf@yc% + }% + \pgfextract@process\southwest{% + \centerpoint% + \advance\pgf@x-\pgf@xa% + \advance\pgf@y-\pgf@ya% + \ifx\southwestcorner\pgfutil@empty% + \advance\pgf@x-\pgf@xb% + \advance\pgf@y-\pgf@yb% + \fi% + }% + \pgfextract@process\aftersouthwest{% + \centerpoint% + \advance\pgf@x-\pgf@xa% + \advance\pgf@x\pgf@xc% + \advance\pgf@y-\pgf@ya% + \advance\pgf@y-\pgf@yb% + }% + \pgfextract@process\southeast{% + \centerpoint% + \advance\pgf@x\pgf@xa% + \advance\pgf@y-\pgf@ya% + \ifx\southeastcorner\pgfutil@empty% + \advance\pgf@x\pgf@xb% + \advance\pgf@y-\pgf@yb% + \fi% + }% + % + % Calculate the `miter' vectors. + % + \pgfmathanglebetweenlines{\beforenortheast}{\afternortheast}{\beforenortheast}% + {\beforesouthwest\pgf@ya\pgf@y\beforenortheast\pgf@y\pgf@ya}% + \pgfutil@tempdima\pgfmathresult pt\relax% + \ifdim\pgfutil@tempdima>180pt\relax% + \advance\pgfutil@tempdima-180pt\relax% + \fi% + \pgfmathsetlength\pgfutil@tempdimb{\pgfkeysvalueof{/pgf/outer xsep}}% + \ifdim\pgfutil@tempdima<90pt\relax% + \pgfmathcosec@{\pgfmath@tonumber{\pgfutil@tempdima}}% + \pgfutil@tempdimb\pgfmathresult\pgfutil@tempdimb% + \pgfutil@tempdima0pt\relax% + \else% + \pgfutil@tempdima.5\pgfutil@tempdima% + \pgfmathcosec@{\pgfmath@tonumber{\pgfutil@tempdima}}% + \pgfutil@tempdimb\pgfmathresult\pgfutil@tempdimb% + \pgfutil@tempdima-\pgfutil@tempdima% + \advance\pgfutil@tempdima90pt\relax% + \fi% + \pgfextract@process\before@ne@anchor{% + \beforenortheast% + \pgf@xa\pgf@x% + \pgf@ya\pgf@y% + \pgfqpointpolar{\pgfmath@tonumber{\pgfutil@tempdima}}{\the\pgfutil@tempdimb}% + \advance\pgf@x\pgf@xa% + \advance\pgf@y\pgf@ya% + }% + \pgfutil@tempdima-\pgfutil@tempdima% + \advance\pgfutil@tempdima180pt\relax% + \pgfextract@process\before@sw@anchor{% + \beforesouthwest% + \pgf@xa\pgf@x% + \pgf@ya\pgf@y% + \pgfqpointpolar{-\pgfmath@tonumber{\pgfutil@tempdima}}{\the\pgfutil@tempdimb}% + \advance\pgf@x\pgf@xa% + \advance\pgf@y\pgf@ya% + }% + % + \pgfmathanglebetweenlines{\afternortheast}{\aftersouthwest\pgf@xa\pgf@x\afternortheast\pgf@x\pgf@xa}% + {\afternortheast}{\beforenortheast}% + \pgfutil@tempdima\pgfmathresult pt\relax% + \ifdim\pgfutil@tempdima>270pt\relax% + \advance\pgfutil@tempdima-270pt\relax% + \fi% + \pgfmathsetlength\pgfutil@tempdimb{\pgfkeysvalueof{/pgf/outer ysep}}% + \ifdim\pgfutil@tempdima<90pt\relax% + \pgfmathcosec@{\pgfmath@tonumber{\pgfutil@tempdima}}% + \pgfutil@tempdimb\pgfmathresult\pgfutil@tempdimb% + \pgfutil@tempdima90pt\relax% + \else% + \pgfutil@tempdima.5\pgfutil@tempdima% + \pgfmathcosec@{\pgfmath@tonumber{\pgfutil@tempdima}}% + \pgfutil@tempdimb\pgfmathresult\pgfutil@tempdimb% + \fi% + % + \pgfextract@process\after@ne@anchor{% + \afternortheast% + \pgf@xa\pgf@x% + \pgf@ya\pgf@y% + \pgfqpointpolar{\pgfmath@tonumber{\pgfutil@tempdima}}{\the\pgfutil@tempdimb}% + \advance\pgf@x\pgf@xa% + \advance\pgf@y\pgf@ya% + }% + \pgfutil@tempdima-\pgfutil@tempdima% + \advance\pgfutil@tempdima180pt\relax% + \pgfextract@process\after@sw@anchor{% + \aftersouthwest + \pgf@xa\pgf@x% + \pgf@ya\pgf@y% + \pgfqpointpolar{-\pgfmath@tonumber{\pgfutil@tempdima}}{\the\pgfutil@tempdimb}% + \advance\pgf@x\pgf@xa% + \advance\pgf@y\pgf@ya% + }% + \addtosavedmacro\before@ne@anchor% + \addtosavedmacro\after@ne@anchor% + \addtosavedmacro\before@sw@anchor% + \addtosavedmacro\after@sw@anchor% + \pgfextract@process\ne@anchor{% + \ifx\northeastcorner\pgfutil@empty% + \northeast% + \pgfmathaddtolength\pgf@x{\pgfkeysvalueof{/pgf/outer xsep}}% + \pgfmathaddtolength\pgf@y{\pgfkeysvalueof{/pgf/outer ysep}}% + \else% + \pgfpointlineattime{0.5}{\before@ne@anchor}{\after@ne@anchor}% + \fi% + }% + \pgfextract@process\nw@anchor{% + \ifx\northwestcorner\pgfutil@empty% + \northwest% + \pgfmathaddtolength\pgf@x{-\pgfkeysvalueof{/pgf/outer xsep}}% + \pgfmathaddtolength\pgf@y{\pgfkeysvalueof{/pgf/outer ysep}}% + \else% + \pgfpointlineattime{0.5}{% + \before@ne@anchor% + \pgf@ya\pgf@y + \before@sw@anchor% + \pgf@y\pgf@ya% + }{% + \after@ne@anchor% + \pgf@ya\pgf@y + \after@sw@anchor% + \pgf@y\pgf@ya% + }% + \fi% + }% + \pgfextract@process\sw@anchor{% + \ifx\southwestcorner\pgfutil@empty% + \southwest% + \pgfmathaddtolength\pgf@x{-\pgfkeysvalueof{/pgf/outer xsep}}% + \pgfmathaddtolength\pgf@y{-\pgfkeysvalueof{/pgf/outer ysep}}% + \else% + \pgfpointlineattime{0.5}{\before@sw@anchor}{\after@sw@anchor}% + \fi% + }% + \pgfextract@process\se@anchor{% + \ifx\southeastcorner\pgfutil@empty% + \southeast% + \pgfmathaddtolength\pgf@x{\pgfkeysvalueof{/pgf/outer xsep}}% + \pgfmathaddtolength\pgf@y{-\pgfkeysvalueof{/pgf/outer ysep}}% + \else% + \pgfpointlineattime{0.5}{% + \before@ne@anchor% + \pgf@xa\pgf@x + \before@sw@anchor% + \pgf@x\pgf@xa% + }{% + \after@ne@anchor% + \pgf@xa\pgf@x + \after@sw@anchor% + \pgf@x\pgf@xa% + }% + \fi% + }% + \addtosavedmacro\ne@anchor% + \addtosavedmacro\nw@anchor% + \addtosavedmacro\sw@anchor% + \addtosavedmacro\se@anchor% + }% + \savedanchor\centerpoint{% + \pgf@x.5\wd\pgfnodeparttextbox% + \pgf@y.5\ht\pgfnodeparttextbox% + \advance\pgf@y-.5\dp\pgfnodeparttextbox% + }% + \savedanchor\midpoint{% + \pgf@x.5\wd\pgfnodeparttextbox% + \pgfmathsetlength\pgf@y{+.5ex}% + }% + \savedanchor\basepoint{% + \pgf@x.5\wd\pgfnodeparttextbox% + \pgf@y0pt% + }% + \anchor{center}{\centerpoint}% + \anchor{mid}{\midpoint}% + \anchor{mid east}{% + \getchamferedrectanglepoints% + \midpoint% + \pgf@ya\pgf@y% + \pgf@process{% + \before@sw@anchor% + \pgf@ya\pgf@y% + \before@ne@anchor% + \pgf@y\pgf@ya% + }% + \ifdim\pgf@ya<\pgf@y% + \pgfpointintersectionoflines{\midpoint}{\midpoint\pgf@ya\pgf@y\before@ne@anchor\pgf@y\pgf@ya}% + {\before@sw@anchor\pgf@ya\pgf@y\before@ne@anchor\pgf@y\pgf@ya}% + {\after@sw@anchor\pgf@ya\pgf@y\after@ne@anchor\pgf@y\pgf@ya}% + \else% + \pgf@process{\before@ne@anchor}% + \ifdim\pgf@ya<\pgf@y% + \pgfpointintersectionoflines{\midpoint}{\midpoint\pgf@ya\pgf@y\before@ne@anchor\pgf@y\pgf@ya}% + {\before@sw@anchor\pgf@ya\pgf@y\before@ne@anchor\pgf@y\pgf@ya}% + {\before@ne@anchor}% + \else% + \pgfpointintersectionoflines{\midpoint}{\midpoint\pgf@ya\pgf@y\before@ne@anchor\pgf@y\pgf@ya}% + {\before@ne@anchor}% + {\after@ne@anchor}% + \fi% + \fi% + }% + \anchor{mid west}{% + \getchamferedrectanglepoints% + \midpoint% + \pgf@ya\pgf@y% + \pgf@process{\before@sw@anchor}% + \ifdim\pgf@ya<\pgf@y% + \pgfpointintersectionoflines{\midpoint}{\midpoint\pgf@ya\pgf@y\before@sw@anchor\pgf@y\pgf@ya}% + {\before@sw@anchor}{\after@sw@anchor}% + \else% + \pgf@process{\before@ne@anchor\pgf@ya\pgf@y\before@sw@anchor\pgf@y\pgf@ya}% + \ifdim\pgf@ya<\pgf@y% + \pgfpointintersectionoflines{\midpoint}{\midpoint\pgf@ya\pgf@y\before@sw@anchor\pgf@y\pgf@ya}% + {\before@ne@anchor\pgf@ya\pgf@y\before@sw@anchor\pgf@y\pgf@ya}% + {\before@sw@anchor}% + \else% + \pgfpointintersectionoflines{\midpoint}{\midpoint\pgf@ya\pgf@y\before@sw@anchor\pgf@y\pgf@ya}% + {\before@ne@anchor\pgf@ya\pgf@y\before@sw@anchor\pgf@y\pgf@ya}% + {\after@ne@anchor\pgf@ya\pgf@y\after@sw@anchor\pgf@y\pgf@ya}% + \fi% + \fi% + }% + \anchor{base}{\basepoint}% + \anchor{base east}{% + \getchamferedrectanglepoints% + \basepoint% + \pgf@ya\pgf@y% + \pgf@process{% + \before@sw@anchor% + \pgf@ya\pgf@y% + \before@ne@anchor% + \pgf@y\pgf@ya% + }% + \ifdim\pgf@ya<\pgf@y% + \pgfpointintersectionoflines{\basepoint}{\basepoint\pgf@ya\pgf@y\before@ne@anchor\pgf@y\pgf@ya}% + {\before@sw@anchor\pgf@ya\pgf@y\before@ne@anchor\pgf@y\pgf@ya}% + {\after@sw@anchor\pgf@ya\pgf@y\after@ne@anchor\pgf@y\pgf@ya}% + \else% + \pgf@process{\before@ne@anchor}% + \ifdim\pgf@ya<\pgf@y% + \pgfpointintersectionoflines{\basepoint}{\basepoint\pgf@ya\pgf@y\before@ne@anchor\pgf@y\pgf@ya}% + {\before@sw@anchor\pgf@ya\pgf@y\before@ne@anchor\pgf@y\pgf@ya}% + {\before@ne@anchor}% + \else% + \pgfpointintersectionoflines{\basepoint}{\basepoint\pgf@ya\pgf@y\before@ne@anchor\pgf@y\pgf@ya}% + {\before@ne@anchor}% + {\after@ne@anchor}% + \fi% + \fi% + }% + \anchor{base west}{% + \getchamferedrectanglepoints% + \basepoint% + \pgf@ya\pgf@y% + \pgf@process{\before@sw@anchor}% + \ifdim\pgf@ya<\pgf@y% + \pgfpointintersectionoflines{\basepoint}{\basepoint\pgf@ya\pgf@y\before@sw@anchor\pgf@y\pgf@ya}% + {\before@sw@anchor}{\after@sw@anchor}% + \else% + \pgf@process{\before@ne@anchor\pgf@ya\pgf@y\before@sw@anchor\pgf@y\pgf@ya}% + \ifdim\pgf@ya<\pgf@y% + \pgfpointintersectionoflines{\basepoint}{\basepoint\pgf@ya\pgf@y\before@sw@anchor\pgf@y\pgf@ya}% + {\before@ne@anchor\pgf@ya\pgf@y\before@sw@anchor\pgf@y\pgf@ya}% + {\before@sw@anchor}% + \else% + \pgfpointintersectionoflines{\basepoint}{\basepoint\pgf@ya\pgf@y\before@sw@anchor\pgf@y\pgf@ya}% + {\before@ne@anchor\pgf@ya\pgf@y\before@sw@anchor\pgf@y\pgf@ya}% + {\after@ne@anchor\pgf@ya\pgf@y\after@sw@anchor\pgf@y\pgf@ya}% + \fi% + \fi% + }% + \anchor{before north east}{\getchamferedrectanglepoints\before@ne@anchor}% + \anchor{north east}{\getchamferedrectanglepoints\ne@anchor}% + \anchor{after north east}{\getchamferedrectanglepoints\after@ne@anchor}% + \anchor{north}{% + \getchamferedrectanglepoints% + \centerpoint% + \pgf@xa\pgf@x% + \after@ne@anchor% + \pgf@x\pgf@xa}% + \anchor{before north west}{% + \getchamferedrectanglepoints% + \after@sw@anchor% + \pgf@xa\pgf@x% + \after@ne@anchor% + \pgf@x\pgf@xa}% + \anchor{north west}{\getchamferedrectanglepoints\nw@anchor}% + \anchor{after north west}{% + \getchamferedrectanglepoints% + \before@sw@anchor% + \pgf@xa\pgf@x% + \before@ne@anchor% + \pgf@x\pgf@xa}% + \anchor{west}{% + \getchamferedrectanglepoints% + \centerpoint% + \pgf@ya\pgf@y% + \before@sw@anchor% + \pgf@y\pgf@ya}% + \anchor{before south west}{\getchamferedrectanglepoints\before@sw@anchor}% + \anchor{south west}{\getchamferedrectanglepoints\sw@anchor}% + \anchor{after south west}{\getchamferedrectanglepoints\after@sw@anchor}% + \anchor{south}{% + \getchamferedrectanglepoints% + \centerpoint% + \pgf@xa\pgf@x% + \after@sw@anchor% + \pgf@x\pgf@xa}% + \anchor{before south east}{% + \getchamferedrectanglepoints% + \after@sw@anchor% + \pgf@ya\pgf@y% + \after@ne@anchor% + \pgf@y\pgf@ya}% + \anchor{south east}{\getchamferedrectanglepoints\se@anchor}% + \anchor{after south east}{% + \getchamferedrectanglepoints% + \before@sw@anchor% + \pgf@ya\pgf@y% + \before@ne@anchor% + \pgf@y\pgf@ya}% + \anchor{east}{% + \getchamferedrectanglepoints% + \centerpoint% + \pgf@ya\pgf@y% + \before@ne@anchor% + \pgf@y\pgf@ya}% + \backgroundpath{% + \pgfpathmoveto{\beforenortheast}% + \pgfpathlineto{\northeast}% + \pgfpathlineto{\afternortheast}% + \pgfpathlineto{\aftersouthwest\pgf@xa\pgf@x\afternortheast\pgf@x\pgf@xa}% + \pgfpathlineto{\northwest}% + \pgfpathlineto{\beforesouthwest\pgf@xa\pgf@x\beforenortheast\pgf@x\pgf@xa}% + \pgfpathlineto{\beforesouthwest}% + \pgfpathlineto{\southwest}% + \pgfpathlineto{\aftersouthwest}% + \pgfpathlineto{\aftersouthwest\pgf@ya\pgf@y\afternortheast\pgf@y\pgf@ya}% + \pgfpathlineto{\southeast}% + \pgfpathlineto{\beforesouthwest\pgf@ya\pgf@y\beforenortheast\pgf@y\pgf@ya}% + \pgfpathclose% + }% + \anchorborder{% + \pgfextract@process\externalpoint{% + \pgf@xa\pgf@x% + \pgf@ya\pgf@y% + \centerpoint% + \advance\pgf@x\pgf@xa% + \advance\pgf@y\pgf@ya% + }% + \pgfmathanglebetweenpoints{\centerpoint}{\externalpoint}% + \let\externalangle\pgfmathresult% + \getchamferedrectanglepoints% + \pgfmathanglebetweenpoints{\centerpoint}{\centerpoint\pgf@ya\pgf@y\before@sw@anchor\pgf@y\pgf@ya}% + \ifdim\externalangle pt<\pgfmathresult pt\relax% west. + \pgfmathanglebetweenpoints{\centerpoint}{\centerpoint\pgf@xa\pgf@x\after@ne@anchor\pgf@x\pgf@xa}% + \ifdim\externalangle pt<\pgfmathresult pt\relax% north. + \pgfmathanglebetweenpoints{\centerpoint}{\ne@anchor}% + \ifdim\externalangle pt<\pgfmathresult pt\relax% north east. + \pgfmathanglebetweenpoints{\centerpoint}{\before@ne@anchor}% + \ifdim\externalangle pt<\pgfmathresult pt\relax% before north east. + \pgfpointintersectionoflines{\centerpoint}{\externalpoint}% + {\centerpoint\pgf@ya\pgf@y\before@ne@anchor\pgf@y\pgf@ya}{\before@ne@anchor}% + \else% + \pgfpointintersectionoflines{\centerpoint}{\externalpoint}% + {\before@ne@anchor}{\ne@anchor}% + \fi% + \else% + \pgfmathanglebetweenpoints{\centerpoint}{\after@ne@anchor}% + \ifdim\externalangle pt<\pgfmathresult pt\relax% after north east. + \pgfpointintersectionoflines{\centerpoint}{\externalpoint}% + {\ne@anchor}{\after@ne@anchor}% + \else% + \pgfpointintersectionoflines{\centerpoint}{\externalpoint}% + {\after@ne@anchor}{\centerpoint\pgf@xa\pgf@x\after@ne@anchor\pgf@x\pgf@xa}% + \fi% + \fi% + \else% + \pgfmathanglebetweenpoints{\centerpoint}{\nw@anchor}% + \ifdim\externalangle pt<\pgfmathresult pt\relax% north west. + \pgfmathanglebetweenpoints{\centerpoint}{\after@sw@anchor\pgf@xa\pgf@x\after@ne@anchor\pgf@x\pgf@xa}% + \ifdim\externalangle pt<\pgfmathresult pt\relax% before north west. + \pgfpointintersectionoflines{\centerpoint}{\externalpoint}% + {\centerpoint\pgf@xa\pgf@x\after@ne@anchor\pgf@x\pgf@xa}% + {\after@sw@anchor\pgf@xa\pgf@x\after@ne@anchor\pgf@x\pgf@xa}% + \else% + \pgfpointintersectionoflines{\centerpoint}{\externalpoint}% + {\after@sw@anchor\pgf@xa\pgf@x\after@ne@anchor\pgf@x\pgf@xa}% + {\nw@anchor}% + \fi% + \else% + \pgfmathanglebetweenpoints{\centerpoint}{\before@sw@anchor\pgf@xa\pgf@x\before@ne@anchor\pgf@x\pgf@xa}% + \ifdim\externalangle pt<\pgfmathresult pt\relax% after north west. + \pgfpointintersectionoflines{\centerpoint}{\externalpoint}% + {\nw@anchor}{\before@sw@anchor\pgf@xa\pgf@x\before@ne@anchor\pgf@x\pgf@xa}% + \else% + \pgfpointintersectionoflines{\centerpoint}{\externalpoint}% + {\before@sw@anchor\pgf@xa\pgf@x\before@ne@anchor\pgf@x\pgf@xa}% + {\before@sw@anchor\pgf@xa\pgf@x\centerpoint\pgf@x\pgf@xa}% + \fi% + \fi% + \fi% + \else% + \pgfmathanglebetweenpoints{\centerpoint}{\centerpoint\pgf@xa\pgf@x\after@sw@anchor\pgf@x\pgf@xa}% + \ifdim\externalangle pt<\pgfmathresult pt\relax% south. + \pgfmathanglebetweenpoints{\centerpoint}{\sw@anchor}% + \ifdim\externalangle pt<\pgfmathresult pt\relax% south west. + \pgfmathanglebetweenpoints{\centerpoint}{\before@sw@anchor}% + \ifdim\externalangle pt<\pgfmathresult pt\relax% before south west. + \pgfpointintersectionoflines{\centerpoint}{\externalpoint}% + {\before@sw@anchor\pgf@xa\pgf@x\centerpoint\pgf@x\pgf@xa}% + {\before@sw@anchor}% + \else% + \pgfpointintersectionoflines{\centerpoint}{\externalpoint}% + {\before@sw@anchor}{\sw@anchor}% + \fi% + \else% + \pgfmathanglebetweenpoints{\centerpoint}{\after@sw@anchor}% + \ifdim\externalangle pt<\pgfmathresult pt\relax% after south west. + \pgfpointintersectionoflines{\centerpoint}{\externalpoint}% + {\sw@anchor}{\after@sw@anchor}% + \else% + \pgfpointintersectionoflines{\centerpoint}{\externalpoint}% + {\after@sw@anchor}{\centerpoint\pgf@xa\pgf@x\after@sw@anchor\pgf@x\pgf@xa}% + \fi% + \fi% + \else% + \pgfmathanglebetweenpoints{\centerpoint}{\se@anchor}% + \ifdim\externalangle pt<\pgfmathresult pt\relax% south east. + \pgfmathanglebetweenpoints{\centerpoint}{\after@ne@anchor\pgf@xa\pgf@x\after@sw@anchor\pgf@x\pgf@xa}% + \ifdim\externalangle pt<\pgfmathresult pt\relax% before south east. + \pgfpointintersectionoflines{\centerpoint}{\externalpoint}% + {\after@ne@anchor\pgf@xa\pgf@x\after@sw@anchor\pgf@x\pgf@xa}% + {\centerpoint\pgf@xa\pgf@x\after@sw@anchor\pgf@x\pgf@xa}% + \else% + \pgfpointintersectionoflines{\centerpoint}{\externalpoint}% + {\after@ne@anchor\pgf@xa\pgf@x\after@sw@anchor\pgf@x\pgf@xa}{\se@anchor} + \fi% + \else% + \pgfmathanglebetweenpoints{\centerpoint}{\before@ne@anchor\pgf@xa\pgf@x\before@sw@anchor\pgf@x\pgf@xa}% + \ifdim\externalangle pt<\pgfmathresult pt\relax% after south east. + \pgfpointintersectionoflines{\centerpoint}{\externalpoint}% + {\se@anchor}{\before@ne@anchor\pgf@xa\pgf@x\before@sw@anchor\pgf@x\pgf@xa}% + \else% + \pgfpointintersectionoflines{\centerpoint}{\externalpoint}% + {\before@ne@anchor\pgf@xa\pgf@x\before@sw@anchor\pgf@x\pgf@xa}% + {\centerpoint\pgf@ya\pgf@y\before@ne@anchor\pgf@y\pgf@ya}% + \fi% + \fi% + \fi% + \fi% + }% +}% + + +\endinput |