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+% Copyright 2006 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 $Header: /cvsroot/pgf/pgf/generic/pgf/systemlayer/pgfsys-common-postscript.def,v 1.18 2008/02/07 19:25:41 tantau Exp $
+
+
+% 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}}
+
+% 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}%
+ \expandafter\xdef\csname @pgfshading#1!\endcsname{\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@psfuncs\space pop}%
+ \hss%
+ \noexpand\pgfsys@endpurepicture}}%
+ }%
+}
+\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}%
+ \expandafter\xdef\csname @pgfshading#1!\endcsname{\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@psfuncs\space pop}%
+ \hss%
+ \noexpand\pgfsys@endpurepicture}}%
+ }%
+}
+\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%
+ \expandafter\xdef\csname @pgfshading#1!\endcsname{\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@psfuncs\space \pgf@firstcolor\space \pgf@doma\space pgfR2}%
+ \hss%
+ \noexpand\pgfsys@endpurepicture}}%
+ }%
+}
+\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%
+ \expandafter\xdef\csname @pgfshading#1!\endcsname{%
+ \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 setrgbcolor moveto 1.1 0 rlineto stroke }
+ for
+ }
+ for
+ }%
+ \noexpand\pgfsys@endpurepicture
+ }\hfil}%
+ }%
+ }%
+}
+
+%
+% Patterns
+%
+
+
+\def\pgfsys@declarepattern#1#2#3#4#5#6#7#8#9{%
+ % 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@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
+ /PaintProc
+ { begin 2 dict begin #8\space end end } bind
+ >>
+ matrix
+ makepattern
+ %/pgfpat#1\space exch def
+ grestore
+ setcolor
+ } bind def end restore
+ }% <<
+}
+
+\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{/pgfH{%
+ /pgfheight exch def 0.75 setlinewidth [] 0 setdash
+ /pgfshade {pgfA} 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{/pgfV{%
+ /pgfheight exch def 0.75 setlinewidth [] 0 setdash
+ /pgfshade {pgfA} 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{/pgfA{
+ /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 green-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{/pgfR1{
+ newpath dup dup dup 0 360 arc clip newpath
+ dup /pgfendx exch def
+ /pgfendy exch def
+ 0.875 setlinewidth
+ [] 0 setdash
+ /pgfshade {pgfR} 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{/pgfR2{
+ 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{/pgfR{
+ /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}
+}
+
+
+\endinput
+
+%%% Local Variables:
+%%% mode: latex
+%%% End: