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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% %%
%% This is file `pst-marble.tex' %%
%% %%
%% IMPORTANT NOTICE: %%
%% %%
%% Package `pst-marble' %%
%% %%
%% Aubrey Jaffer, with help of Manuel Luque, J�rgen Gilg %%
%% Email address: agj@alum.mit.edu %%
%% Copyright (C) 2018-2019 Aubrey Jaffer %%
%% %%
%% This program can redistributed and/or modified under %%
%% the terms of the LaTeX Project Public License %%
%% Distributed from CTAN archives in directory %%
%% macros/latex/base/lppl.txt; either version 1.3c of %%
%% the License, or (at your option) any later version. %%
%% %%
%% DESCRIPTION: %%
%% `pst-marble' is a PSTricks package to draw marble-like patterns %%
%% %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\csname PSTMARBLELoaded\endcsname
\let \PSTMARBLELoaded\endinput
\ifx\PSTricksLoaded\endinput\else\input pstricks.tex\fi
\ifx\PSTXKeyLoaded\endinput \else\input pst-xkey.tex\fi
\def\fileversion{1.3}
\def\filedate{2019/02/18}
\message{`PST' v\fileversion, \filedate}
%
\pstheader{pst-marble.pro}
%
\edef\PstAtCode{\the\catcode`\@} \catcode`\@=11\relax
\pst@addfams{pst-marble}
\define@key[psset]{pst-marble}{background}{\def\pst@marble@background{#1 }}
\define@key[psset]{pst-marble}{viscosity}{\def\pst@marble@visc{#1 }}
\define@key[psset]{pst-marble}{oversample}{\def\pst@marble@oversample{#1 }}
\define@key[psset]{pst-marble}{seed}{\def\pst@marble@seed{#1}}
\define@key[psset]{pst-marble}{actions}{\def\pst@marble@actions{#1 }}
% colors are red, green, and blue components between 0 and 1.
\define@key[psset]{pst-marble}{colors}{\def\pst@marble@colors{#1 }}
\define@boolkey[psset]{pst-marble}[Pst@]{drawcontours}[true]{}
\define@boolkey[psset]{pst-marble}[Pst@]{bckg}[true]{}
\psset[pst-marble]{
seed={Mathematical Marbling},
background={
[1 1 1]
},
colors={
[0.275 0.569 0.796]
[0.965 0.882 0.302]
[0.176 0.353 0.129]
[0.635 0.008 0.094]
[0.078 0.165 0.518]
[0.824 0.592 0.031]
[0.059 0.522 0.392]
[0.816 0.333 0.475]
[0.365 0.153 0.435]
[0.624 0.588 0.439]
},
viscosity=1000,
oversample=0,
actions={0 0 35 colors 35 concentric-rings},
drawcontours=false,
bckg=true
}%
\def\psMarble{\def\pst@par{}\pst@object{psMarble}}
\def\psMarble@i{\@ifnextchar({\psMarble@ii}{\psMarble@ii(10,10)}}
\def\psMarble@ii(#1,#2){%
\begin@SpecialObj
\addto@pscode{%
plotdict begin
/FILL {\tx@setTransparency\space\tx@setBlendmode systemdict /fill get exec } def
/STROKE {\pst@number\pslinewidth 1000 div SLW \tx@setStrokeTransparency\space\tx@setBlendmode systemdict /stroke get exec} def
/cm {\pst@number\psunit mul } bind def
/background \pst@marble@background color-norm def
/colors [\pst@marble@colors] def
/seed (\pst@marble@seed) rc4setkey def
/pagewidth #1 cm def % en cm
/pageheight #2 cm def % en cm
/loy pageheight -2 div cvi def
/hiy pageheight 2 div cvi def
/hix pagewidth 2 div cvi def
/lox pagewidth -2 div cvi def
/orgx hix lox add 2 div def
/orgy hiy loy add 2 div def
% orgx orgy translate
/visc \pst@marble@visc abs def
/oversample \pst@marble@oversample dup 0 eq \pst@marble@visc 0 lt and {pop 1} if def
/actions [\pst@marble@actions] def
/acnt actions length def
\ifPst@drawcontours /Contours {STROKE} def \else /Contours {FILL} def \fi
gsave
\ifPst@bckg
background aload pop setrgbcolor
% lox loy pagewidth pageheight RECTFILL
newpath lox loy moveto pagewidth 0 rlineto 0 pageheight rlineto pagewidth neg 0 rlineto closepath FILL
\fi
lox loy pagewidth pageheight rectclip
marble
grestore
end}% fin du code ps
\end@SpecialObj}% % fin de la commande PSTricks
\catcode`\@=\PstAtCode\relax
\endinput
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