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Diffstat (limited to 'Master/texmf-dist/tex/generic/pst-grad/pst-grad.tex')
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diff --git a/Master/texmf-dist/tex/generic/pst-grad/pst-grad.tex b/Master/texmf-dist/tex/generic/pst-grad/pst-grad.tex new file mode 100644 index 00000000000..79eb3732ae5 --- /dev/null +++ b/Master/texmf-dist/tex/generic/pst-grad/pst-grad.tex @@ -0,0 +1,119 @@ +%% BEGIN pst-grad.tex +%% +%% Gradient fillstyle with PSTricks. +%% See the PSTricks User's Guide for description. +%% This uses the header file `pst-grad.pro'. +%% +%% Based on some EPS files by leeweyr!bill@nuchat.sccsi.com (W. R. Lee). +%% +%% +%% COPYRIGHT 1993, 1994, 1999 by Timothy Van Zandt, tvz@nwu.edu. +%% 2006 Herbert Voss, hvoss@tug.org +%% +%% This program can be redistributed and/or modified under the terms +%% of the LaTeX Project Public License Distributed from CTAN +%% archives in directory macros/latex/base/lppl.txt. +%% +%% This defines a new fill style, "gradient", for use with PSTricks, +%% which has gradiated color. The following parameters are used: +%% +%% gradbegin=color : Beginning color. +%% gradend=color : Final color. +%% gradlines=int : Number of lines to use. The higher the number, +%% the slower the rendering. +%% gradmidpoint=num : Gradient color goes from gradbegin to gradend, +%% and then back to beginning. Midpoint (point +%% where "gradend" color appears, is gradmidpoint +%% from the top. (0 <= Gmidpoint <= 1). +%% gradangle=angle : Rotate image by angle. +%% GradientCircle=true : Instead of a linear a circled gradient is build. +%% (version 1.04) +%% GradientPos=(x,y) : the center of the circled gradient +%% (version 1.04) +%% GradientScale=float : scaling factor of the circled gradient +%% (version 1.04) +%% GradientHSB : Use HSB color model +%% +\csname GradientLoaded\endcsname +\let\GradientLoaded\endinput +\ifx\PSTricksLoaded\endinput\else + \def\next{\input pstricks.tex }\expandafter\next +\fi +\ifx\PSTXKeyLoaded\endinput\else\input pst-xkey \fi + +\def\fileversion{1.05} +\def\filedate{2006/11/04} +\message{`pst-plot' v\fileversion, \filedate\space (tvz,dg,hv)} + +\edef\TheAtCode{\the\catcode`\@} +\catcode`\@=11 +\pst@addfams{pst-grad} + +\pstheader{pst-grad.pro} + +\newrgbcolor{gradbegin}{0 .1 .95} +\newrgbcolor{gradend}{0 1 1} +\define@key[psset]{pst-grad}{gradbegin}{\pst@getcolor{#1}\psgradbegin} +\define@key[psset]{pst-grad}{gradend}{\pst@getcolor{#1}\psgradend} +\define@key[psset]{pst-grad}{gradlines}{% + \pst@getint{#1}\psgradlines + \ifnum\psgradlines<2 + \@pstrickserr{gradlines must be at least 2}\@epha + \def\psgradlines{2 }% + \fi} +\define@key[psset]{pst-grad}{gradmidpoint}{\pst@checknum{#1}\psgradmidpoint} +\define@key[psset]{pst-grad}{gradangle}{\pst@getangle{#1}\psk@gradangle} +\psset[pst-grad]{gradangle=0,gradlines=300,gradend=gradend,gradbegin=gradbegin, + gradmidpoint=0.9} + +% Denis Girou - April 1998 ------- patch 2 (hv) +% To define the gradient as linear or as circle +\define@boolkey[psset]{pst-grad}[Pst@]{GradientCircle}[true]{} +% Position of the center of the gradient +\define@key[psset]{pst-grad}{GradientPos}{\psset@@GradientPos#1}% + \def\psset@@GradientPos(#1){\edef\ps@GradientPos{#1}} +% Scale factor +\define@key[psset]{pst-grad}{GradientScale}{\def\ps@GradientScale{#1}} +\psset[pst-grad]{GradientScale=1,GradientPos={(0,0)},GradientCircle=false} +% +\define@boolkey[psset]{pst-grad}[Pst@]{gradientHSB}[true]{} +\psset[pst-grad]{gradientHSB=false} +% +\def\psfs@gradient{% + \ifPst@gradientHSB + \addto@pscode{% + gsave + gsave \pst@usecolor\psgradbegin currenthsbcolor grestore + gsave \pst@usecolor\psgradend currenthsbcolor grestore + \psgradlines + \psgradmidpoint + \psk@gradangle +% hv 2004-05-05 begin fixed a spurious blank + tx@GradientDict begin GradientFillHSB end grestore% + }% +% tx@GradientHSBDict begin GradientFillHSB end grestore} +% hv 2004-05-05 end + \else% +% hv 2004-06-25 begin fixed a spurious blank + \pst@getcoor{\ps@GradientPos}{\pst@tempa}% <- "%" hv 2004-06-23 +% hv end + \addto@pscode{% + gsave + \ifPst@GradientCircle true \else false \fi + \ps@GradientScale\space + \pst@tempa\space + gsave \pst@usecolor\psgradbegin currentrgbcolor grestore + gsave \pst@usecolor\psgradend currentrgbcolor grestore + \psgradlines + \psgradmidpoint + \psk@gradangle + tx@GradientDict begin GradientFill end grestore% + }% + \fi% +} +% +\catcode`\@=\TheAtCode\relax +% +\endinput +%% +%% END pst-grad.tex |