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%%
%% This is file `pst-slpe.pro',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% pst-slpe.dtx (with options: `prolog')
%%
%% IMPORTANT NOTICE:
%%
%% For the copyright see the source file.
%%
%% Any modified versions of this file must be renamed
%% with new filenames distinct from pst-slpe.pro.
%%
%% For distribution of the original source see the terms
%% for copying and modification in the file pst-slpe.dtx.
%%
%% This generated file may be distributed as long as the
%% original source files, as listed above, are part of the
%% same distribution. (The sources need not necessarily be
%% in the same archive or directory.)
%% 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.
%%
/tx@PstSlopeDict 60 dict def tx@PstSlopeDict begin
/Opacity 1 def % preset, no transparency
/Opacity++ { Opacity dOpacity add /Opacity ED } def
/max {2 copy lt {exch} if pop} bind def
/Iterate {
1 sub /NumSegs ED
dup mul 3 1 roll dup mul 3 1 roll dup mul 3 1 roll
setrgbcolor currenthsbcolor
/ThisB ED
/ThisS ED
/ThisH ED
/ThisPt ED
Opacity .setopacityalpha
gsave
fill
grestore
NumSegs {
dup mul 3 1 roll dup mul 3 1 roll dup mul 3 1 roll
setrgbcolor currenthsbcolor
/NextB ED
/NextS ED
/NextH ED
/NextPt ED
ThisPt NextPt sub ThisPt div NumSteps mul cvi /SegSteps exch def
/NumSteps NumSteps SegSteps sub def
SegSteps 0 eq not {
ThisS 0 eq {/ThisH NextH def} if
NextS 0 eq {/NextH ThisH def} if
ThisH NextH sub 0.5 gt
{/NextH NextH 1.0 add def}
{ NextH ThisH sub 0.5 ge {/ThisH ThisH 1.0 add def} if }
ifelse
/B ThisB def
/S ThisS def
/H ThisH def
/BInc NextB ThisB sub SegSteps div def
/SInc NextS ThisS sub SegSteps div def
/HInc NextH ThisH sub SegSteps div def
SegSteps {
H dup 1. gt {1. sub} if S B sethsbcolor
currentrgbcolor
sqrt 3 1 roll sqrt 3 1 roll sqrt 3 1 roll
setrgbcolor
DrawStep
/H H HInc add def
/S S SInc add def
/B B BInc add def
} bind repeat
/ThisH NextH def
/ThisS NextS def
/ThisB NextB def
/ThisPt NextPt def
} if
} bind repeat
} def
/PatchRadius {
Radius 0 eq {
/UpdRR { dup mul exch dup mul add RR max /RR ED } bind def
gsave
flattenpath
/RR 0 def
{UpdRR} {UpdRR} {} {} pathforall
grestore
/Radius RR sqrt def
} if
} def
/SlopesFill {
/Fading ED % do we have fading?
Fading {
/FadingEnd ED % the last opacity value
dup /FadingStart ED % the first opacity value
/Opacity ED % the opacity start value
} if
gsave
180 add rotate
/NumSteps ED
Fading { /dOpacity FadingEnd FadingStart sub NumSteps div def } if
clip
pathbbox
/h ED /w ED
2 copy translate
h sub neg /h ED
w sub neg /w ED
/XInc w NumSteps div def
/DrawStep {
Fading { % do we have a fading?
Opacity .setopacityalpha % set opacity value
Opacity++ % increase opacity
} if
0 0 XInc h rectfill
XInc 0 translate
} bind def
Iterate
grestore
} def
/CcSlopesFill {
/Fading ED % do we have fading?
Fading {
/FadingEnd ED % the last opacity value
dup /FadingStart ED % the first opacity value
/Opacity ED % the opacity start value
} if
gsave
/Radius ED
/CenterY ED
/CenterX ED
/NumSteps ED
Fading { /dOpacity FadingEnd FadingStart sub NumSteps div def } if
clip
pathbbox
/h ED /w ED
2 copy translate
h sub neg /h ED
w sub neg /w ED
w CenterX mul h CenterY mul translate
PatchRadius
/RadPerStep Radius NumSteps div neg def
/Rad Radius def
/DrawStep {
Fading { % do we have a fading?
Opacity .setopacityalpha % set opacity value
Opacity++ % increase opacity
} if
0 0 Rad 0 360 arc
closepath fill
/Rad Rad RadPerStep add def
} bind def
Iterate
grestore
} def
/RadSlopesFill {
/Fading ED % do we have fading?
Fading {
/FadingEnd ED % the last opacity value
dup /FadingStart ED % the first opacity value
/Opacity ED % the opacity start value
} if
gsave
rotate
/Radius ED
/CenterY ED
/CenterX ED
/NumSteps ED
Fading { /dOpacity FadingEnd FadingStart sub NumSteps div def } if
clip
pathbbox
/h ED /w ED
2 copy translate
h sub neg /h ED
w sub neg /w ED
w CenterX mul h CenterY mul translate
PatchRadius
/AngleIncrement 360 NumSteps div neg def
/dY AngleIncrement sin AngleIncrement cos div Radius mul def
/DrawStep {
Fading { % do we have a fading?
Opacity .setopacityalpha % set opacity value
Opacity++ % increase opacity
} if
0 0 moveto
Radius 0 rlineto
0 dY rlineto
closepath fill
AngleIncrement rotate
} bind def
Iterate
grestore
} def
end
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