| Current File : //usr/share/texlive/texmf-dist/tex/generic/pgf/systemlayer/pgfsys-common-postscript.def |
% Copyright 2019 by Till Tantau
% CMYK and grayscale shadings adaptation copyright 2019 by David Purton
%
% 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{pgfsys-common-postscript.def}
% Driver commands for postscript
\newif\ifpgf@fillcolor
\newif\ifpgf@strokecolor
\newif\ifpgfsys@@clipnext
% Path construction:
\def\pgfsys@lineto#1#2{\pgf@sys@bp{#1}\pgf@sys@bp{#2}\pgfsysprotocol@literal{lineto}}
\def\pgfsys@moveto#1#2{\pgf@sys@bp{#1}\pgf@sys@bp{#2}\pgfsysprotocol@literal{moveto}}
\def\pgfsys@curveto#1#2#3#4#5#6{%
\pgf@sys@bp{#1}\pgf@sys@bp{#2}\pgf@sys@bp{#3}\pgf@sys@bp{#4}\pgf@sys@bp{#5}\pgf@sys@bp{#6}\pgfsysprotocol@literal{curveto}}
\def\pgfsys@rect#1#2#3#4{\pgf@sys@bp{#4}\pgf@sys@bp{#3}\pgf@sys@bp{#1}\pgf@sys@bp{#2}\pgfsysprotocol@literal{pgfe}}
\def\pgfsys@closepath{\pgfsysprotocol@literal{closepath}}
% Path usage:
\def\pgfsys@stroke{%
\ifpgfsys@@clipnext%
\ifpgfsys@eorule%
\pgfsysprotocol@literal{gsave pgfsc pgfstr grestore eoclip newpath}%
\else%
\pgfsysprotocol@literal{gsave pgfsc pgfstr grestore clip newpath}%
\fi%
\pgfsys@@clipnextfalse%
\else%
\ifpgf@strokecolor%
\pgfsysprotocol@literal{gsave pgfsc pgfstr grestore newpath}%
\else%
\pgfsysprotocol@literal{pgfstr}%
\fi%
\fi}
\def\pgfsys@fill{%
\ifpgfsys@@clipnext%
\ifpgfsys@eorule%
\pgfsysprotocol@literal{gsave pgffc pgfeofill grestore eoclip newpath}%
\else%
\pgfsysprotocol@literal{gsave pgffc pgffill grestore clip newpath}%
\fi%
\pgfsys@@clipnextfalse%
\else%
\ifpgf@fillcolor%
\ifpgfsys@eorule%
\pgfsysprotocol@literal{gsave pgffc pgfeofill grestore newpath}%
\else%
\pgfsysprotocol@literal{gsave pgffc pgffill grestore newpath}%
\fi%
\else%
\ifpgfsys@eorule%
\pgfsysprotocol@literal{pgfeofill}%
\else%
\pgfsysprotocol@literal{pgffill}%
\fi%
\fi%
\fi}
\def\pgfsys@fillstroke{%
\ifpgfsys@eorule%
\pgfsysprotocol@literal{gsave pgffc pgfeofill grestore gsave pgfsc pgfstr grestore}%
\else%
\pgfsysprotocol@literal{gsave pgffc pgffill grestore gsave pgfsc pgfstr grestore}%
\fi%
\ifpgfsys@@clipnext%
\ifpgfsys@eorule%
\pgfsysprotocol@literal{eoclip}%
\else%
\pgfsysprotocol@literal{clip}%
\fi%
\pgfsys@@clipnextfalse%
\fi%
\pgfsysprotocol@literal{newpath}}
\def\pgfsys@clipnext{\pgfsys@@clipnexttrue}
\def\pgfsys@discardpath{%
\ifpgfsys@@clipnext%
\ifpgfsys@eorule%
\pgfsysprotocol@literal{eoclip}%
\else%
\pgfsysprotocol@literal{clip}%
\fi%
\pgfsys@@clipnextfalse%
\fi%
\pgfsysprotocol@literal{newpath}}
% Transformation:
\def\pgfsys@transformshift#1#2{\pgf@sys@bp{#1}\pgf@sys@bp{#2}\pgfsysprotocol@literal{translate}}
\def\pgfsys@transformxyscale#1#2{\pgfsysprotocol@literal{#1 #2 scale}}
\def\pgfsys@transformcm#1#2#3#4#5#6{%
\pgfsysprotocol@literalbuffered{[#1 #2 #3 #4}\pgf@sys@bp{#5}\pgf@sys@bp{#6}\pgfsysprotocol@literal{] concat}}
% Scopes
\def\pgfsys@beginscope{\pgfsysprotocol@literal{save}}
\def\pgfsys@endscope{\pgfsysprotocol@literal{restore}}
\newif\ifpgfsys@ps@boxmode
\def\pgfsys@begin@text{\pgfsys@ps@boxmodetrue}
\def\pgfsys@end@text{}
% Graphics state
\def\pgfsys@setdash#1#2{%
\pgfsysprotocol@literalbuffered{[}%
\pgfutil@for\pgf@sys@temp:={#1}\do{\pgf@sys@bp{\pgf@sys@temp}}%
\pgfsysprotocol@literalbuffered{]}%
\pgf@sys@bp{#2}\pgfsysprotocol@literal{setdash}}
\def\pgfsys@setlinewidth#1{\pgf@sys@bp{#1}\pgfsysprotocol@literal{pgfw}}
\def\pgfsys@setmiterlimit#1{\pgfsysprotocol@literal{#1 setmiterlimit}}
\def\pgfsys@buttcap{\pgfsysprotocol@literal{0 setlinecap}}
\def\pgfsys@roundcap{\pgfsysprotocol@literal{1 setlinecap}}
\def\pgfsys@rectcap{\pgfsysprotocol@literal{2 setlinecap}}
\def\pgfsys@miterjoin{\pgfsysprotocol@literal{0 setlinejoin}}
\def\pgfsys@roundjoin{\pgfsysprotocol@literal{1 setlinejoin}}
\def\pgfsys@beveljoin{\pgfsysprotocol@literal{2 setlinejoin}}
\def\pgfsys@color@rgb@stroke#1#2#3{\pgfsysprotocol@literal{/pgfsc{#1 #2 #3 setrgbcolor}def}\pgf@strokecolortrue}
\def\pgfsys@color@rgb@fill#1#2#3{\pgfsysprotocol@literal{/pgffc{#1 #2 #3 setrgbcolor}def}\pgf@fillcolortrue}
\def\pgfsys@color@rgb#1#2#3{\pgfsys@color@reset\pgfsysprotocol@literal{#1 #2 #3 setrgbcolor}}
\def\pgfsys@color@cmyk@stroke#1#2#3#4{\pgfsysprotocol@literal{/pgfsc{#1 #2 #3 #4 setcmykcolor}def}\pgf@strokecolortrue}
\def\pgfsys@color@cmyk@fill#1#2#3#4{\pgfsysprotocol@literal{/pgffc{#1 #2 #3 #4 setcmykcolor}def}\pgf@fillcolortrue}
\def\pgfsys@color@cmyk#1#2#3#4{\pgfsys@color@reset\pgfsysprotocol@literal{#1 #2 #3 #4 setcmykcolor}}
\def\pgfsys@color@cmy@stroke#1#2#3{\pgfsysprotocol@literal{/pgfsc{#1 #2 #3 0 setcmykcolor}def}\pgf@strokecolortrue}
\def\pgfsys@color@cmy@fill#1#2#3{\pgfsysprotocol@literal{/pgffc{#1 #2 #3 0 setcmykcolor}def}\pgf@fillcolortrue}
\def\pgfsys@color@cmy#1#2#3{\pgfsys@color@reset\pgfsysprotocol@literal{#1 #2 #3 0 setcmykcolor}}
\def\pgfsys@color@gray@stroke#1{\pgfsysprotocol@literal{/pgfsc{#1 setgray}def}\pgf@strokecolortrue}
\def\pgfsys@color@gray@fill#1{\pgfsysprotocol@literal{/pgffc{#1 setgray}def}\pgf@fillcolortrue}
\def\pgfsys@color@gray#1{\pgfsys@color@reset\pgfsysprotocol@literal{#1 setgray}}
\def\pgfsysps@color@resetnow{\pgfsysprotocol@literal{/pgfsc{}def/pgffc{}def}\pgf@strokecolorfalse\pgf@fillcolorfalse}%
\def\pgfsys@color@reset{%
\ifpgfsys@color@reset@inorder%
\ifpgf@strokecolor%
\pgfsysps@color@resetnow%
\else%
\ifpgf@fillcolor%
\pgfsysps@color@resetnow%
\fi%
\fi%
\else%
\pgfsysps@color@resetnow%
\fi}
% Opacity
\def\pgfsys@fill@opacity#1{%
\pgfsysprotocol@literal{#1 .pgfsetfillopacityalpha}%
}
\def\pgfsys@stroke@opacity#1{%
\pgfsysprotocol@literal{#1 .pgfsetstrokeopacityalpha}%
}
% Objects
\newcount\pgf@objectcount
\def\pgfsys@defobject#1#2#3#4{%
\global\advance\pgf@objectcount by 1%
\expandafter\xdef\csname#1\endcsname{\the\pgf@objectcount}%
\pgfsysprotocol@getcurrentprotocol\pgfsys@temp%
{%
\pgfsysprotocol@setcurrentprotocol\pgfutil@empty%
\pgfsysprotocol@bufferedtrue%
#4%
\pgfsysprotocol@getcurrentprotocol\pgfsys@@temp%
\pgf@sys@postscript@object{/pgf\csname#1\endcsname{gsave exec \pgfsys@@temp\space grestore} bind def}%
}%
\pgfsysprotocol@setcurrentprotocol\pgfsys@temp%
}
\def\pgfsys@useobject#1#2{%
\pgfsysprotocol@getcurrentprotocol\pgfsys@temp%
{%
\pgfsysprotocol@setcurrentprotocol\pgfutil@empty%
\pgfsysprotocol@bufferedfalse%
#2%
\pgfsysprotocol@invokecurrentprotocol%
\pgfsys@invoke{pgf\csname#1\endcsname}%
}%
\pgfsysprotocol@setcurrentprotocol\pgfsys@temp}
% Shadings
\def\pgfsys@horishading#1#2#3{%
{%
\pgf@parsefunc{#3}%
\pgfmathsetlength\pgf@x{#2}%
\pgf@xa=\pgf@x%
\pgf@sys@bp@correct{\pgf@x}%
\pgf@y=\pgf@max%
\pgf@sys@bp@correct{\pgf@y}%
\xdef\pgfutil@tempa{\hbox to \the\pgf@max{%
\noexpand\vrule width0pt height\the\pgf@xa%
\noexpand\pgfsys@beginpurepicture%
\noexpand\pgfsys@rect{0pt}{0pt}{\the\pgf@max}{\the\pgf@xa}%
\noexpand\pgfsys@clipnext%
\noexpand\pgfsys@discardpath%
\noexpand\pgfsys@invoke{\pgf@domb\space \pgf@sys@tonumber{\pgf@x} pgfH\pgf@shading@model\space \pgf@psfuncs\space pop}%
\hss%
\noexpand\pgfsys@endpurepicture}}%
}%
\global\expandafter\let\csname @pgfshading#1!\endcsname=\pgfutil@tempa
}
\def\pgfsys@vertshading#1#2#3{%
{%
\pgf@parsefunc{#3}%
\pgfmathsetlength\pgf@x{#2}%
\pgf@xa=\pgf@x%
\pgf@sys@bp@correct{\pgf@x}%
\pgf@y=\pgf@max%
\pgf@sys@bp@correct{\pgf@y}%
\xdef\pgfutil@tempa{\hbox to \the\pgf@xa{%
\noexpand\vrule width0pt height\the\pgf@max%
\noexpand\pgfsys@beginpurepicture%
\noexpand\pgfsys@rect{0pt}{0pt}{\the\pgf@xa}{\the\pgf@max}%
\noexpand\pgfsys@clipnext%
\noexpand\pgfsys@discardpath%
\noexpand\pgfsys@invoke{\pgf@domb\space \pgf@sys@tonumber{\pgf@x} pgfV\pgf@shading@model\space \pgf@psfuncs\space pop}%
\hss%
\noexpand\pgfsys@endpurepicture}}%
}%
\global\expandafter\let\csname @pgfshading#1!\endcsname=\pgfutil@tempa
}
\def\pgfsys@radialshading#1#2#3{%
{%
\pgf@parsefunc{#3}%
\pgf@process{#2}%
\pgf@sys@bp@correct{\pgf@x}%
\pgf@sys@bp@correct{\pgf@y}%
\pgf@xa=2\pgf@max%
\pgf@sys@bp@correct{\pgf@max}%
\advance\pgf@x by \pgf@max%
\advance\pgf@y by \pgf@max%
\xdef\pgfutil@tempa{\hbox to \the\pgf@xa{%
\noexpand\vrule width0pt height\the\pgf@xa%
\noexpand\pgfsys@beginpurepicture%
\noexpand\pgfsys@invoke{%
\pgf@domb\space \pgf@sys@tonumber{\pgf@y} \pgf@sys@tonumber{\pgf@x} \pgf@sys@tonumber{\pgf@max} pgfR1\pgf@shading@model\space
\pgf@psfuncs\space \pgf@firstcolor\space \pgf@doma\space pgfR2\pgf@shading@model}%
\hss%
\noexpand\pgfsys@endpurepicture}}%
}%
\global\expandafter\let\csname @pgfshading#1!\endcsname=\pgfutil@tempa
}
\def\pgfsys@functionalshading#1#2#3#4{%
{%
\pgf@process{#2}%
\pgf@xa=\pgf@x%
\pgf@ya=\pgf@y%
\pgf@process{#3}%
\pgf@xb=\pgf@x%
\pgf@yb=\pgf@y%
\advance\pgf@x by-\pgf@xa%
\advance\pgf@y by-\pgf@ya%
\pgf@sys@bp@correct{\pgf@xa}%
\pgf@sys@bp@correct{\pgf@ya}%
\pgf@sys@bp@correct{\pgf@xb}%
\pgf@sys@bp@correct{\pgf@yb}%
\pgf@xc=-\pgf@xa%
\pgf@yc=-\pgf@ya%
\xdef\pgfutil@tempa{%
\hbox to\the\pgf@x{\vbox to\the\pgf@y{\vfil
\noexpand\pgfsys@beginpurepicture%
\noexpand\pgfsys@invoke{%
\pgf@sys@tonumber{\pgf@xc} \pgf@sys@tonumber{\pgf@yc} translate
1.1 setlinewidth [] 0 setdash 0 setlinecap
/pgfproc {#4} bind def
\pgf@sys@tonumber{\pgf@ya} 1 \pgf@sys@tonumber{\pgf@yb}
{
\pgf@sys@tonumber{\pgf@xa} 1 \pgf@sys@tonumber{\pgf@xb}
{ 1 index 2 copy pgfproc \pgf@shading@ps@device\space moveto 1.1 0 rlineto stroke }
for
pop
}
for
}%
\noexpand\pgfsys@endpurepicture
}\hfil}%
}%
}%
\global\expandafter\let\csname @pgfshading#1!\endcsname=\pgfutil@tempa
}
%
% Patterns
%
\def\pgfsys@declarepattern#1#2#3#4#5#6#7{%
% Start building the pattern dictionary:
\pgf@xa=#2\relax%
\pgf@ya=#3\relax%
\pgf@xb=#4\relax%
\pgf@yb=#5\relax%
\pgf@xc=#6\relax%
\pgf@yc=#7\relax%
\pgf@sys@bp@correct\pgf@xa%
\pgf@sys@bp@correct\pgf@ya%
\pgf@sys@bp@correct\pgf@xb%
\pgf@sys@bp@correct\pgf@yb%
\pgf@sys@bp@correct\pgf@xc%
\pgf@sys@bp@correct\pgf@yc%
\pgfsys@@declarepattern{#1}%
}
\def\pgfsys@@declarepattern#1#2#3#4#5#6#7#8#9{%
\pgfutil@tempdima=#6\relax%
\pgfutil@tempdimb=#7\relax%
\pgf@sys@bp@correct\pgfutil@tempdima%
\pgf@sys@bp@correct\pgfutil@tempdimb%
\edef\pgf@sys@marshal{%
\noexpand\pgfutil@insertatbegincurrentpage{\noexpand\pgfsys@outerinvoke{
save true setglobal globaldict begin /pgfpat#1
{
\ifnum#9=0 [/Pattern /DeviceRGB] \else /Pattern \fi\space
setcolorspace
gsave
initgraphics
<<
/Type /Pattern
/PatternType 1
/PaintType \ifnum#9=0 2 \else 1 \fi
/TilingType 1
/BBox [\pgf@sys@tonumber\pgf@xa\space\pgf@sys@tonumber\pgf@ya\space\pgf@sys@tonumber\pgf@xb\space\pgf@sys@tonumber\pgf@yb]
/XStep \pgf@sys@tonumber\pgf@xc\space
/YStep \pgf@sys@tonumber\pgf@yc\space
/Matrix [#2\space#3\space#4\space#5\space\pgf@sys@tonumber\pgfutil@tempdima\space\pgf@sys@tonumber\pgfutil@tempdimb]
/PaintProc
{ begin 2 dict begin #8\space end end } bind
>>
matrix
makepattern
%/pgfpat#1\space exch def
grestore
setcolor
} bind def end restore
}}% <<
}%
\pgf@sys@marshal%
}
\def\pgfsys@setpatternuncolored#1#2#3#4{%
\pgfsysprotocol@literal{/pgffc{#2 #3 #4 pgfpat#1}def}%
% [/Pattern /DeviceRGB] setcolorspace
% #2 #3 #4 pgfpat#1\space setcolor
% }def}%
\pgf@fillcolortrue%
}
\def\pgfsys@setpatterncolored#1{%
\pgfsysprotocol@literal{/pgffc{pgfpat#1}def}%/Pattern setcolorspace
% pgfpat#1\space setcolor}def}%
\pgf@fillcolortrue%
}
\def\pgfsys@atbegindocument{%
% Parameters to horizontal pre axishade: \pgf@domb x
\pgf@sys@postscript@header{/pgfHrgb{%
/pgfheight exch def 0.75 setlinewidth [] 0 setdash
/pgfshade {pgfArgb} def /pgfdir { dup 0 moveto
dup 5 index lineto } bind def} bind def}%
% Parameters to vertical pre axishade: \pgf@domb x
\pgf@sys@postscript@header{/pgfVrgb{%
/pgfheight exch def 0.75 setlinewidth [] 0 setdash
/pgfshade {pgfArgb} def /pgfdir { dup 0 exch moveto dup 5 index
exch lineto } bind def} bind def}%
% Parameters to axishade: end x, start x, r-, g-, b- of first color, r-, g-, b- of second color
% Stack afterwards: end x
\pgf@sys@postscript@header{/pgfArgb{
/pgfdiff 8 index round cvi 8 index round cvi sub 2 mul 1 add def
2 index 6 index sub pgfdiff div % put red-step on stack
2 index 6 index sub pgfdiff div % put green-step on stack
2 index 6 index sub pgfdiff div % put blue-step on stack
pgfheight 9 index 9 index 9 index 14 index
pgfdiff {
3 index 3 index 3 index setrgbcolor % Set color
pgfdir
stroke
4 -1 roll 7 index add % red += incred
4 -1 roll 6 index add % green += incgreen
4 -1 roll 5 index add % blue += incblue
4 -1 roll .5 sub % x += 0.5
} repeat
mark 15 1 roll cleartomark exch pop % leave only start x on stack
}bind def }
% Parameters to radialshade pre: \pgf@domb y x max
\pgf@sys@postscript@header{/pgfR1rgb{
newpath dup dup dup 0 360 arc clip newpath
dup /pgfendx exch def
/pgfendy exch def
0.875 setlinewidth
[] 0 setdash
/pgfshade {pgfRrgb} def
/pgfstartx exch def
/pgfstarty exch def
/pgfdiffx pgfendx pgfstartx sub def
/pgfdiffy pgfendy pgfstarty sub def
dup /pgfdomb exch def
}bind def }
% Parameters to radialshade post: \pgf@firstcolor \pgf@doma
\pgf@sys@postscript@header{/pgfR2rgb{
newpath 0.5 add pgfcircx pgfcircy 3 2 roll 0 360 arc
setrgbcolor fill pop}bind def }%
% Parameters to radialshade: end x, start x, r-, g-, b- of first color, r-, g-, b- of second color
% Stack afterwards: end x
\pgf@sys@postscript@header{/pgfRrgb{
/pgfdiff 8 index round cvi 8 index round cvi sub 4 mul 1 add def
/pgfcircx pgfstartx 9 index pgfdiffx pgfdomb div mul add def
/pgfcircy pgfstarty 9 index pgfdiffy pgfdomb div mul add def
/pgfcircxe pgfstartx 8 index pgfdiffx pgfdomb div mul add def
/pgfcircye pgfstarty 8 index pgfdiffy pgfdomb div mul add def
/pgfxstep pgfcircxe pgfcircx sub pgfdiff div def
/pgfystep pgfcircye pgfcircy sub pgfdiff div def
2 index 6 index sub pgfdiff div % put red-step on stack
2 index 6 index sub pgfdiff div % put green-step on stack
2 index 6 index sub pgfdiff div % put green-step on stack
8 index 8 index 8 index 13 index
pgfdiff {
3 index 3 index 3 index setrgbcolor % Set color
pgfcircx pgfcircy 2 index 0 360 arc closepath
stroke
4 -1 roll 6 index add % red += incred
4 -1 roll 5 index add % green += incgreen
4 -1 roll 4 index add % blue += incblue
4 -1 roll .25 sub % x += 0.25
/pgfcircx pgfcircx pgfxstep add def
/pgfcircy pgfcircy pgfystep add def
} repeat
mark 14 1 roll cleartomark exch pop % leave only start x on stack
}bind def}
% Parameters to horizontal pre axishade: \pgf@domb x
\pgf@sys@postscript@header{/pgfHcmyk{
/pgfheight exch def 0.75 setlinewidth [] 0 setdash
/pgfshade {pgfAcmyk} def /pgfdir { dup 0 moveto
dup 6 index lineto } bind def} bind def}%
% Parameters to vertical pre axishade: \pgf@domb x
\pgf@sys@postscript@header{/pgfVcmyk{
/pgfheight exch def 0.75 setlinewidth [] 0 setdash
/pgfshade {pgfAcmyk} def /pgfdir { dup 0 exch moveto dup 6 index
exch lineto } bind def} bind def}%
% Parameters to axishade: end x, start x, c-, m-, y-, k- of first color, c-, m-, y-, k- of second color
\pgf@sys@postscript@header{/pgfAcmyk{
/pgfdiff 10 index round cvi 10 index round cvi sub 2 mul 1 add def
3 index 8 index sub pgfdiff div % put cyan-step on stack
3 index 8 index sub pgfdiff div % put magenta-step on stack
3 index 8 index sub pgfdiff div % put yellow-step on stack
3 index 8 index sub pgfdiff div % put black-step on stack
pgfheight 12 index 12 index 12 index 12 index 18 index
pgfdiff {
4 index 4 index 4 index 4 index setcmykcolor % Set color
pgfdir
stroke
5 -1 roll 9 index add % cyan += inccyan
5 -1 roll 8 index add % magenta += incmagenta
5 -1 roll 7 index add % yellow += incyellow
5 -1 roll 6 index add % black += incblack
5 -1 roll .5 sub % x += 0.5
} repeat
mark 19 1 roll cleartomark exch pop % leave only start x on stack
}bind def }%
% Parameters to radialshade pre: \pgf@domb y x max
\pgf@sys@postscript@header{/pgfR1cmyk{
newpath dup dup dup 0 360 arc clip newpath
dup /pgfendx exch def
/pgfendy exch def
0.875 setlinewidth
[] 0 setdash
/pgfshade {pgfRcmyk} def
/pgfstartx exch def
/pgfstarty exch def
/pgfdiffx pgfendx pgfstartx sub def
/pgfdiffy pgfendy pgfstarty sub def
dup /pgfdomb exch def
}bind def }%
% Parameters to radialshade post: \pgf@firstcolor \pgf@doma
\pgf@sys@postscript@header{/pgfR2cmyk{
newpath 0.5 add pgfcircx pgfcircy 3 2 roll 0 360 arc
setcmykcolor fill pop}bind def }%
% Parameters to radialshade: end x, start x, c-, m-, y-, k- of first color, c-, m-, y-, k- of second color
\pgf@sys@postscript@header{/pgfRcmyk{
/pgfdiff 10 index round cvi 10 index round cvi sub 4 mul 1 add def
/pgfcircx pgfstartx 11 index pgfdiffx pgfdomb div mul add def
/pgfcircy pgfstarty 11 index pgfdiffy pgfdomb div mul add def
/pgfcircxe pgfstartx 10 index pgfdiffx pgfdomb div mul add def
/pgfcircye pgfstarty 10 index pgfdiffy pgfdomb div mul add def
/pgfxstep pgfcircxe pgfcircx sub pgfdiff div def
/pgfystep pgfcircye pgfcircy sub pgfdiff div def
3 index 8 index sub pgfdiff div % put cyan-step on stack
3 index 8 index sub pgfdiff div % put magenta-step on stack
3 index 8 index sub pgfdiff div % put yellow-step on stack
3 index 8 index sub pgfdiff div % put black-step on stack
11 index 11 index 11 index 11 index 17 index
pgfdiff {
4 index 4 index 4 index 4 index setcmykcolor % Set color
pgfcircx pgfcircy 2 index 0 360 arc closepath
stroke
5 -1 roll 8 index add % cyan += inccyan
5 -1 roll 7 index add % magenta += incmagenta
5 -1 roll 6 index add % yellow += incyellow
5 -1 roll 5 index add % black += incblack
5 -1 roll .25 sub % x += 0.25
/pgfcircx pgfcircx pgfxstep add def
/pgfcircy pgfcircy pgfystep add def
} repeat
mark 18 1 roll cleartomark exch pop % leave only start x on stack
}bind def}%
% Parameters to horizontal pre axishade: \pgf@domb x
\pgf@sys@postscript@header{/pgfHgray{
/pgfheight exch def 0.75 setlinewidth [] 0 setdash
/pgfshade {pgfAgray} def /pgfdir { dup 0 moveto
dup 3 index lineto } bind def} bind def}%
% Parameters to vertical pre axishade: \pgf@domb x
\pgf@sys@postscript@header{/pgfVgray{
/pgfheight exch def 0.75 setlinewidth [] 0 setdash
/pgfshade {pgfAgray} def /pgfdir { dup 0 exch moveto dup 3 index
exch lineto } bind def} bind def}%
% Parameters to axishade: end x, start x, g of first color, g of second color
\pgf@sys@postscript@header{/pgfAgray{
/pgfdiff 4 index round cvi 4 index round cvi sub 2 mul 1 add def
dup 2 index sub pgfdiff div % put gray-step on stack
pgfheight 3 index 6 index
pgfdiff {
1 index setgray % Set color
pgfdir
stroke
exch 3 index add % gray += incgray
exch .5 sub % x += 0.5
} repeat
mark 7 1 roll cleartomark exch pop % leave only start x on stack
}bind def }%
% Parameters to radialshade pre: \pgf@domb y x max
\pgf@sys@postscript@header{/pgfR1gray{
newpath dup dup dup 0 360 arc clip newpath
dup /pgfendx exch def
/pgfendy exch def
0.875 setlinewidth
[] 0 setdash
/pgfshade {pgfRgray} def
/pgfstartx exch def
/pgfstarty exch def
/pgfdiffx pgfendx pgfstartx sub def
/pgfdiffy pgfendy pgfstarty sub def
dup /pgfdomb exch def
}bind def }%
% Parameters to radialshade post: \pgf@firstcolor \pgf@doma
\pgf@sys@postscript@header{/pgfR2gray{
newpath 0.5 add pgfcircx pgfcircy 3 2 roll 0 360 arc
setgray fill pop}bind def }%
% Parameters to radialshade: end x, start x, g of first color, g of second color
\pgf@sys@postscript@header{/pgfRgray{
/pgfdiff 4 index round cvi 4 index round cvi sub 4 mul 1 add def
/pgfcircx pgfstartx 5 index pgfdiffx pgfdomb div mul add def
/pgfcircy pgfstarty 5 index pgfdiffy pgfdomb div mul add def
/pgfcircxe pgfstartx 4 index pgfdiffx pgfdomb div mul add def
/pgfcircye pgfstarty 4 index pgfdiffy pgfdomb div mul add def
/pgfxstep pgfcircxe pgfcircx sub pgfdiff div def
/pgfystep pgfcircye pgfcircy sub pgfdiff div def
dup 2 index sub pgfdiff div % put gray-step on stack
2 index 5 index
pgfdiff {
1 index setgray % Set color
pgfcircx pgfcircy 2 index 0 360 arc closepath
stroke
exch 2 index add % gray += incgray
exch .25 sub % x += 0.25
/pgfcircx pgfcircx pgfxstep add def
/pgfcircy pgfcircy pgfystep add def
} repeat
mark 6 1 roll cleartomark exch pop % leave only start x on stack
}bind def}%
}
\endinput
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