pgf-cmykshadings (17oct18)

git-svn-id: svn://tug.org/texlive/trunk@48924 c570f23f-e606-0410-a88d-b1316a301751

5 files changed, 1057 insertions, 0 deletions

diff --git a/Master/texmf-dist/tex/latex/pgf-cmykshadings/pgf-cmykshadings.sty b/Master/texmf-dist/tex/latex/pgf-cmykshadings/pgf-cmykshadings.sty
new file mode 100644
index 00000000000..bfc28dc26f5
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/pgf-cmykshadings/pgf-cmykshadings.sty
@@ -0,0 +1,490 @@
+%%
+%% This is file `pgf-cmykshadings.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% pgf-cmykshadings.dtx  (with options: `package')
+%% 
+%% This is a generated file.
+%% 
+%% Copyright (c) 2018 David Purton <dcpurton@marshwiggle.net>
+%% 
+%% This work may be distributed and/or modified under the conditions of
+%% the LaTeX Project Public License, either version 1.3c of this license
+%% or (at your option) any later version. The latest version of this
+%% license is in
+%%    http://www.latex-project.org/lppl.txt
+%% and version 1.3c or later is part of all distributions of LaTeX
+%% version 2005/12/01 or later.
+%% 
+%% This work is "maintained" (as per the LPPL maintenance status)
+%% by David Purton.
+%% 
+%% This work consists of the files pgf-cmykshadings.ins,
+%% pgf-cmykshadings.dtx, README.md, and the derived files
+%%   - pgf-cmykshadings.sty
+%%   - pgfsys-cmykshadings-pdftex.def
+%%   - pgfsys-cmykshadgins-xetex.def
+%%   - pgfsys-cmykshadings-luatex.def
+%%   - pgfsys-cmykshadings-dvipdfmx.def
+%%   - pgf-cmykshadings.pdf
+%% 
+%% 
+%% Substantial parts of the code for this package are taken from the pgf
+%% package files pgfcoreshade.code.tex, pgfsys-pdftex.def,
+%% pgfsys-luatex.def, and pgfsys-dvipdfmx.def copyright (c) 2006 Till
+%% Tantau and then slightly modified to support CMYK and grayscale
+%% shadings.
+%% 
+\ProvidesPackage{pgf-cmykshadings}%
+  [2018/10/17 CMYK shadings support for PGF (DCP)]
+\RequirePackage{pgf}
+\def\pgf@parsefunc#1{%
+  \edef\temp{{#1}}%
+  \expandafter\pgf@convertstring\temp%
+  \edef\temp{{\pgf@conv}}%
+  \expandafter\pgf@@parsefunc\temp}
+\def\pgf@@parsefunc#1{%
+  \let\pgf@bounds=\pgfutil@empty%
+  \let\pgf@funcs=\pgfutil@empty%
+  \let\pgf@psfuncs=\pgfutil@empty%
+  \let\pgf@encode=\pgfutil@empty%
+  \let\pgf@sys@shading@ranges=\pgfutil@empty%
+  \pgf@sys@shading@range@num=0\relax%
+  \csname pgf@parsefirst\pgf@shading@model\endcsname[#1; ]%
+  \csname pgf@parselastdom\pgf@shading@model\endcsname[#1; ]%
+  \csname pgf@parsemid\pgf@shading@model\endcsname[#1; ]%
+  \ifx\pgf@bounds\pgfutil@empty%
+    \edef\pgf@pdfparseddomain{0 1}%
+    \edef\pgf@pdfparsedfunction{\pgf@singlefunc\space}%
+  \else%
+    \edef\pgf@pdfparseddomain{\pgf@doma\space\pgf@domb}%
+    \edef\pgf@pdfparsedfunction{%
+      << /FunctionType 3 /Domain [\pgf@doma\space\pgf@domb] /Functions
+      [\pgf@funcs\space] /Bounds [\pgf@bounds] /Encode [0 1 \pgf@encode]
+      >> }% <<
+  \fi%
+  \xdef\pgf@psfuncs{\pgf@psfuncs}%
+  }
+\let\pgf@parsefirstrgb\pgf@parsefirst
+\let\pgf@parselastdomrgb\pgf@parselastdom
+\let\pgf@parsemidrgb\pgf@parsemid
+\let\pgf@parserestrgb\pgf@parserest
+\def\pgf@parsefirstcmyk[cmyk(#1)=(#2,#3,#4,#5)#6]{%
+  \pgfmathsetlength\pgf@x{#1}%
+  \edef\pgf@sys@shading@start@pos{\the\pgf@x}%
+  \pgf@sys@bp@correct\pgf@x%
+  \edef\pgf@doma{\pgf@sys@tonumber{\pgf@x}}%
+  \edef\pgf@prevx{\pgf@sys@tonumber{\pgf@x}}%
+  \pgf@getcmyktuplewithmixin{#2}{#3}{#4}{#5}%
+  \edef\pgf@sys@shading@start@cmyk{\pgf@sys@cmyk}%
+  \let\pgf@sys@prevcolor=\pgf@sys@shading@start@cmyk%
+  \let\pgf@sys@prevpos=\pgf@sys@shading@start@pos%
+  \edef\pgf@prevcolor{\pgf@cmyk}%
+  \edef\pgf@firstcolor{\pgf@cmyk}}
+\def\pgf@parselastdomcmyk[cmyk(#1)=(#2,#3,#4,#5); {%
+  \pgfutil@ifnextchar]{%
+    \pgfmathsetlength\pgf@x{#1}%
+    \edef\pgf@sys@shading@end@pos{\the\pgf@x}%
+    \pgf@max=\pgf@x\relax%
+    \pgf@sys@bp@correct\pgf@x%
+    \edef\pgf@domb{\pgf@sys@tonumber{\pgf@x}}%
+    \pgf@getcmyktuplewithmixin{#2}{#3}{#4}{#5}%
+    \edef\pgf@sys@shading@end@cmyk{\pgf@sys@cmyk}%
+    \pgfutil@gobble}{\pgf@parselastdomcmyk[}}
+\def\pgf@parsemidcmyk[cmyk(#1)=(#2,#3,#4,#5); {\pgf@parserestcmyk[}
+\def\pgf@parserestcmyk[cmyk(#1)=(#2,#3,#4,#5); {%
+  \advance\pgf@sys@shading@range@num by1\relax%
+  \pgfutil@ifnextchar]{%
+    \pgf@getcmyktuplewithmixin{#2}{#3}{#4}{#5}%
+    \edef\pgf@singlefunc{\space%
+      << /FunctionType 2 /Domain [0 1] /C0
+      [\pgf@prevcolor] /C1 [\pgf@cmyk] /N 1 >> }% <<
+    \edef\pgf@funcs{\pgf@funcs\space%
+      << /FunctionType 2 /Domain [\pgf@doma\space\pgf@domb] /C0
+      [\pgf@prevcolor] /C1 [\pgf@cmyk] /N 1 >> }% <<
+    \edef\pgf@psfuncs{\pgf@prevx\space
+      \pgf@cmyk\space \pgf@prevcolor\space pgfshade \pgf@psfuncs}%
+    \pgfmathsetlength\pgf@x{#1}%
+    \edef\pgf@sys@shading@ranges{\pgf@sys@shading@ranges{%
+      {\pgf@sys@prevpos}{\the\pgf@x}{\pgf@sys@prevcolor}{\pgf@sys@cmyk}}}%
+    \edef\pgf@sys@prevpos{\the\pgf@x}%
+    \let\pgf@sys@prevcolor=\pgf@sys@cmyk%
+    \pgfutil@gobble}{%
+    \pgfmathsetlength\pgf@x{#1}%
+    \pgf@getcmyktuplewithmixin{#2}{#3}{#4}{#5}%
+    \edef\pgf@sys@shading@ranges{\pgf@sys@shading@ranges{%
+      {\pgf@sys@prevpos}{\the\pgf@x}{\pgf@sys@prevcolor}{\pgf@sys@cmyk}}}%
+    \edef\pgf@sys@prevpos{\the\pgf@x}%
+    \let\pgf@sys@prevcolor=\pgf@sys@cmyk%
+    \edef\pgf@psfuncs{\pgf@prevx\space \pgf@cmyk\space
+      \pgf@prevcolor\space pgfshade \pgf@psfuncs}%
+    \pgf@sys@bp@correct\pgf@x%
+    \edef\pgf@prevx{\pgf@sys@tonumber{\pgf@x}}%
+    \edef\pgf@bounds{\pgf@bounds\space\pgf@sys@tonumber{\pgf@x}}%
+    \edef\pgf@encode{\pgf@encode\space0 1}%
+    \edef\pgf@singlefunc{\space%
+      << /FunctionType 2 /Domain [0 1] /C0
+      [\pgf@prevcolor] /C1 [\pgf@cmyk] /N 1 >> }% <<
+    \edef\pgf@funcs{\pgf@funcs\space%
+      << /FunctionType 2 /Domain [\pgf@doma\space\pgf@domb] /C0
+      [\pgf@prevcolor] /C1 [\pgf@cmyk] /N 1 >> }% <<
+    \edef\pgf@prevcolor{\pgf@cmyk}%
+    \pgf@parserestcmyk[}}
+\def\pgf@getcmyktuplewithmixin#1#2#3#4{%
+  \pgfutil@definecolor{pgfshadetemp}{cmyk}{#1,#2,#3,#4}%
+  \pgfutil@ifundefined{applycolormixins}{}{\applycolormixins{pgfshadetemp}}%
+  \pgfutil@extractcolorspec{pgfshadetemp}{\pgf@tempcolor}%
+  \expandafter\pgfutil@convertcolorspec\pgf@tempcolor{cmyk}{\pgf@cmykcolor}%
+  \expandafter\pgf@getcmyk@@\pgf@cmykcolor!}
+\def\pgf@getcmyk@@#1,#2,#3,#4!{%
+  \def\pgf@cmyk{#1 #2 #3 #4}%
+  \def\pgf@sys@cmyk{{#1}{#2}{#3}{#4}}%
+}
+\def\pgf@parsefirstgray[gray(#1)=(#2)#3]{%
+  \pgfmathsetlength\pgf@x{#1}%
+  \edef\pgf@sys@shading@start@pos{\the\pgf@x}%
+  \pgf@sys@bp@correct\pgf@x%
+  \edef\pgf@doma{\pgf@sys@tonumber{\pgf@x}}%
+  \edef\pgf@prevx{\pgf@sys@tonumber{\pgf@x}}%
+  \pgf@getgraytuplewithmixin{#2}%
+  \edef\pgf@sys@shading@start@gray{\pgf@sys@gray}%
+  \let\pgf@sys@prevcolor=\pgf@sys@shading@start@gray%
+  \let\pgf@sys@prevpos=\pgf@sys@shading@start@pos%
+  \edef\pgf@prevcolor{\pgf@gray}%
+  \edef\pgf@firstcolor{\pgf@gray}}
+\def\pgf@parselastdomgray[gray(#1)=(#2); {%
+  \pgfutil@ifnextchar]{%
+    \pgfmathsetlength\pgf@x{#1}%
+    \edef\pgf@sys@shading@end@pos{\the\pgf@x}%
+    \pgf@max=\pgf@x\relax%
+    \pgf@sys@bp@correct\pgf@x%
+    \edef\pgf@domb{\pgf@sys@tonumber{\pgf@x}}%
+    \pgf@getgraytuplewithmixin{#2}%
+    \edef\pgf@sys@shading@end@gray{\pgf@sys@gray}%
+    \pgfutil@gobble}{\pgf@parselastdomgray[}}
+\def\pgf@parsemidgray[gray(#1)=(#2); {\pgf@parserestgray[}
+\def\pgf@parserestgray[gray(#1)=(#2); {%
+  \advance\pgf@sys@shading@range@num by1\relax%
+  \pgfutil@ifnextchar]{%
+    \pgf@getgraytuplewithmixin{#2}%
+    \edef\pgf@singlefunc{\space%
+      << /FunctionType 2 /Domain [0 1] /C0
+      [\pgf@prevcolor] /C1 [\pgf@gray] /N 1 >> }% <<
+    \edef\pgf@funcs{\pgf@funcs\space%
+      << /FunctionType 2 /Domain [\pgf@doma\space\pgf@domb] /C0
+      [\pgf@prevcolor] /C1 [\pgf@gray] /N 1 >> }% <<
+    \edef\pgf@psfuncs{\pgf@prevx\space \pgf@gray\space
+      \pgf@prevcolor\space pgfshade \pgf@psfuncs}%
+    \pgfmathsetlength\pgf@x{#1}%
+    \edef\pgf@sys@shading@ranges{\pgf@sys@shading@ranges{%
+      {\pgf@sys@prevpos}{\the\pgf@x}{\pgf@sys@prevcolor}{\pgf@sys@gray}}}%
+    \edef\pgf@sys@prevpos{\the\pgf@x}%
+    \let\pgf@sys@prevcolor=\pgf@sys@gray%
+    \pgfutil@gobble}{%
+    \pgfmathsetlength\pgf@x{#1}%
+    \pgf@getgraytuplewithmixin{#2}%
+    \edef\pgf@sys@shading@ranges{\pgf@sys@shading@ranges{%
+      {\pgf@sys@prevpos}{\the\pgf@x}{\pgf@sys@prevcolor}{\pgf@sys@gray}}}%
+    \edef\pgf@sys@prevpos{\the\pgf@x}%
+    \let\pgf@sys@prevcolor=\pgf@sys@gray%
+    \edef\pgf@psfuncs{\pgf@prevx\space \pgf@gray\space
+      \pgf@prevcolor\space pgfshade \pgf@psfuncs}%
+    \pgf@sys@bp@correct\pgf@x%
+    \edef\pgf@prevx{\pgf@sys@tonumber{\pgf@x}}%
+    \edef\pgf@bounds{\pgf@bounds\space\pgf@sys@tonumber{\pgf@x}}%
+    \edef\pgf@encode{\pgf@encode\space0 1}%
+    \edef\pgf@singlefunc{\space%
+      << /FunctionType 2 /Domain [0 1] /C0
+      [\pgf@prevcolor] /C1 [\pgf@gray] /N 1 >> }% <<
+    \edef\pgf@funcs{\pgf@funcs\space%
+      << /FunctionType 2 /Domain [\pgf@doma\space\pgf@domb] /C0
+      [\pgf@prevcolor] /C1 [\pgf@gray] /N 1 >> }% <<
+    \edef\pgf@prevcolor{\pgf@gray}%
+    \pgf@parserestgray[}}
+\def\pgf@getgraytuplewithmixin#1{%
+  \pgfutil@definecolor{pgfshadetemp}{gray}{#1}%
+  \pgfutil@ifundefined{applycolormixins}{}{\applycolormixins{pgfshadetemp}}%
+  \pgfutil@extractcolorspec{pgfshadetemp}{\pgf@tempcolor}%
+  \expandafter\pgfutil@convertcolorspec\pgf@tempcolor{gray}{\pgf@graycolor}%
+  \expandafter\pgf@getgray@@\pgf@graycolor!}
+\def\pgf@getgray@@#1!{%
+  \def\pgf@gray{#1}%
+  \def\pgf@sys@gray{{#1}}%
+}
+\def\pgf@convertstring#1{%
+  \def\pgf@conv{}%
+  \pgf@convert#1]%
+  }
+\def\pgf@convert{%
+  \pgfutil@ifnextchar]{\pgfutil@gobble}%done!
+  {%
+    \pgfutil@ifnextchar;{\pgf@grabsemicolor}%
+    {%
+      \pgfutil@ifnextchar c{\pgf@gobblec}%
+      {%
+        \pgfutil@ifnextchar g{\pgf@grabgray}%
+        {%
+          \pgfutil@ifnextchar o{\pgf@grabcolor}%
+          {%
+            \pgfutil@ifnextchar m{\pgf@grabcmyk}%
+            {%
+              \pgfutil@ifnextchar r{\pgf@grabrgb}%
+                {\pgferror{Illformed shading
+                 specification}\pgf@convert}%
+            }%
+          }%
+        }%
+      }%
+    }%
+  }%
+}
+\def\pgf@grabsemicolor;{%
+  \edef\pgf@conv{\pgf@conv; }\pgf@convert}
+\def\pgf@gobblec c{\pgf@convert}
+\def\pgf@savecolor#1{
+  \pgfutil@extractcolorspec{pgf@tempcol}{\pgf@tempcolor}%
+  \expandafter\pgfutil@convertcolorspec\pgf@tempcolor%
+    {\pgf@shading@model}{\pgf@color}%
+  \expandafter\pgf@convget@\expandafter{\pgf@color}{#1}%
+}
+\def\pgf@grabrgb rgb(#1)=(#2,#3,#4){%
+  \pgfutil@definecolor{pgf@tempcol}{rgb}{#2,#3,#4}%
+  \pgf@savecolor{#1}%
+}
+\def\pgf@grabcmyk myk(#1)=(#2,#3,#4,#5){%
+  \pgfutil@definecolor{pgf@tempcol}{cmyk}{#2,#3,#4,#5}%
+  \pgf@savecolor{#1}%
+}
+\def\pgf@grabgray gray(#1)=(#2){%
+  \pgfutil@definecolor{pgf@tempcol}{gray}{#2}%
+  \pgf@savecolor{#1}%
+}
+\def\pgf@grabcolor olor(#1)=(#2){%
+  \pgfutil@colorlet{pgf@tempcol}{#2}%
+  \pgf@savecolor{#1}%
+}
+\def\pgf@convget@#1#2{%
+  \edef\pgf@conv{\pgf@conv \pgf@shading@model(#2)=(#1)}\pgf@convert}
+\newdimen\pgf@xd
+\def\pgfshadecolortocmyk#1#2{%
+  \pgfutil@colorlet{pgf@tempcol}{#1}%
+  \pgfutil@extractcolorspec{pgf@tempcol}{\pgf@tempcolor}%
+  \expandafter\pgfutil@convertcolorspec\pgf@tempcolor{cmyk}{\pgf@cmykcolor}%
+  \expandafter\pgfshading@cmyk\pgf@cmykcolor\relax%
+  \edef#2{\pgf@sys@tonumber{\pgf@xa}\space\pgf@sys@tonumber{\pgf@xb}\space
+    \pgf@sys@tonumber{\pgf@xc}\space\pgf@sys@tonumber{\pgf@xd}\space}%
+  \c@pgf@counta\escapechar%
+  \escapechar-1\relax%
+  \expandafter\edef\csname\string#2cyan\endcsname{%
+    \pgf@sys@tonumber{\pgf@xa}\space}%
+  \expandafter\edef\csname\string#2magenta\endcsname{%
+    \pgf@sys@tonumber{\pgf@xb}\space}%
+  \expandafter\edef\csname\string#2yellow\endcsname{%
+    \pgf@sys@tonumber{\pgf@xc}\space}%
+  \expandafter\edef\csname\string#2black\endcsname{%
+    \pgf@sys@tonumber{\pgf@xd}\space}%
+  \escapechar\c@pgf@counta%
+}
+\def\pgfshading@cmyk#1,#2,#3,#4\relax{%
+  \pgf@xa=#1pt%
+  \pgf@xb=#2pt%
+  \pgf@xc=#3pt%
+  \pgf@xd=#4pt%
+}
+\def\pgfshadecolortogray#1#2{%
+  \pgfutil@colorlet{pgf@tempcol}{#1}%
+  \pgfutil@extractcolorspec{pgf@tempcol}{\pgf@tempcolor}%
+  \expandafter\pgfutil@convertcolorspec\pgf@tempcolor{gray}{\pgf@graycolor}%
+  \expandafter\pgfshading@gray\pgf@graycolor\relax%
+  \edef#2{\pgf@sys@tonumber{\pgf@xa}\space}%
+  \c@pgf@counta\escapechar%
+  \escapechar-1\relax%
+  \expandafter\edef\csname\string#2gray\endcsname{%
+    \pgf@sys@tonumber{\pgf@xa}\space}%
+  \escapechar\c@pgf@counta%
+}
+\def\pgfshading@gray#1\relax{%
+  \pgf@xa=#1pt%
+}
+\def\pgfdeclarehorizontalshading{%
+  \pgf@setup@model
+  \pgfutil@ifnextchar[%
+    \pgf@declarehorizontalshading{\pgf@declarehorizontalshading[]}}
+\def\pgfdeclareverticalshading{%
+  \pgf@setup@model
+  \pgfutil@ifnextchar[%
+    \pgf@declareverticalshading{\pgf@declareverticalshading[]}}
+\def\pgfdeclareradialshading{%
+  \pgf@setup@model
+  \pgfutil@ifnextchar[%
+    \pgf@declareradialshading{\pgf@declareradialshading[]}}
+\def\pgfdeclarefunctionalshading{%
+  \pgf@setup@model
+  \pgfutil@ifnextchar[
+    \pgf@declarefunctionalshading{\pgf@declarefunctionalshading[]}}
+\def\pgfuseshading#1{%
+  \edef\pgf@shadingname{@pgfshading#1}%
+  \edef\pgf@shadingsavedmodel{@pgfshading#1@model}%
+  \pgf@tryextensions{\pgf@shadingname}{\pgfalternateextension}%
+  \expandafter\pgfutil@ifundefined\expandafter{\pgf@shadingname}%
+  {\pgferror{Undefined shading "#1"}}%
+  {%
+    {%
+      \pgf@setup@model
+      \pgfutil@globalcolorsfalse%
+      \def\pgf@shade@adds{}%
+      \pgfutil@ifundefined{pgf@deps\pgf@shadingname}%
+      {}%
+      {%
+        \edef\@list{\csname pgf@deps\pgf@shadingname\endcsname}%
+        \pgfutil@for\@temp:=\@list\do{%
+          {%
+            \pgfutil@ifundefined{applycolormixins}%
+              {}{\applycolormixins{\@temp}}%
+            \pgfutil@extractcolorspec{\@temp}{\pgf@tempcolor}%
+            \expandafter\pgfutil@ifundefined\expandafter{%
+              \pgf@shadingsavedmodel}
+              {\expandafter\pgfutil@convertcolorspec\pgf@tempcolor{%
+                 \pgf@shading@model}{\pgf@color}}%
+              {\expandafter\pgfutil@convertcolorspec\pgf@tempcolor{%
+                 \pgf@shadingsavedmodel}{\pgf@color}}%
+            \xdef\pgf@shade@adds{\pgf@shade@adds,\pgf@color}%
+          }%
+        }%
+      }%
+      \expandafter\pgf@strip@shadename\pgf@shadingname!!%
+      \pgfutil@ifundefined{@pgfshading\pgf@basename\pgf@shade@adds!}%
+      {%
+        {%
+          \expandafter\def\expandafter\@temp\expandafter{%
+            \csname pgf@func\pgf@shadingname\endcsname}%
+          \edef\@args{{\pgf@basename\pgf@shade@adds}}%
+          \expandafter\expandafter\expandafter\def%
+          \expandafter\expandafter\expandafter\@@args%
+          \expandafter\expandafter\expandafter{%
+            \csname pgf@args\pgf@shadingname\endcsname}%
+          \expandafter\expandafter\expandafter\@temp\expandafter\@args\@@args%
+          %
+        }%
+      }%
+      {}%
+      \pgf@invokeshading{%
+        \csname @pgfshading\pgf@basename\pgf@shade@adds!\endcsname}%
+    }%
+  }%
+}
+\newif\ifpgfshadingmodelrgb
+\newif\ifpgfshadingmodelcmyk
+\newif\ifpgfshadingmodelgray
+\def\pgf@setup@model{%
+  \pgfshadingmodelrgbtrue
+  \pgfshadingmodelcmykfalse
+  \pgfshadingmodelgrayfalse
+  \XC@sdef\pgf@mod@test{\XC@tgt@mod{natural}}%
+  \def\pgf@shading@functional@range{0 1 0 1 0 1}%
+  \def\pgf@shading@device{/DeviceRGB}%
+  \def\pgf@shading@model{rgb}%
+  \ifx\pgf@mod@test\XC@mod@natural
+    \ifpgfcmykshadingdefault
+      \def\pgf@shading@functional@range{0 1 0 1 0 1 0 1}%
+      \def\pgf@shading@device{/DeviceCMYK}%
+      \def\pgf@shading@model{cmyk}%
+      \pgfshadingmodelrgbfalse
+      \pgfshadingmodelcmyktrue
+    \else
+      \def\pgf@shading@functional@range{0 1 0 1 0 1}%
+      \def\pgf@shading@device{/DeviceRGB}%
+      \def\pgf@shading@model{rgb}%
+    \fi
+  \fi
+  \ifx\pgf@mod@test\XC@mod@cmyk
+    \def\pgf@shading@functional@range{0 1 0 1 0 1 0 1}%
+    \def\pgf@shading@device{/DeviceCMYK}%
+    \def\pgf@shading@model{cmyk}%
+      \pgfshadingmodelrgbfalse
+      \pgfshadingmodelcmyktrue
+  \fi
+  \ifx\pgf@mod@test\XC@mod@gray
+    \def\pgf@shading@functional@range{0 1}%
+    \def\pgf@shading@device{/DeviceGray}%
+    \def\pgf@shading@model{gray}%
+      \pgfshadingmodelrgbfalse
+      \pgfshadingmodelgraytrue
+  \fi
+}
+\def\pgffuncshadingrgbtocmyk{%
+  1.0 exch sub 3 1 roll
+  1.0 exch sub 3 1 roll
+  1.0 exch sub 3 1 roll
+  3 copy
+  2 copy gt { exch } if pop
+  2 copy gt { exch } if pop
+  dup 3 1 roll sub
+  0.0 2 copy lt { exch } if pop
+  1.0 2 copy gt { exch } if pop
+  4 1 roll
+  dup 3 1 roll sub
+  0.0 2 copy lt { exch } if pop
+  1.0 2 copy gt { exch } if pop
+  4 1 roll
+  dup 3 1 roll sub
+  0.0 2 copy lt { exch } if pop
+  1.0 2 copy gt { exch } if pop
+  4 1 roll
+}
+\def\pgffuncshadingrgbtogray{%
+  0.11 mul exch 0.59 mul add exch 0.3 mul add
+}
+\def\pgffuncshadingcmyktorgb{%
+  % covert to CMY
+  dup 3 1 roll add
+  1.0 2 copy gt { exch } if pop
+  4 1 roll
+  dup 3 1 roll add
+  1.0 2 copy gt { exch } if pop
+  4 1 roll
+  add
+  1.0 2 copy gt { exch } if pop
+  3 1 roll
+  % covert to RGB
+  1.0 exch sub
+  3 1 roll
+  1.0 exch sub
+  3 1 roll
+  1.0 exch sub
+  3 1 roll
+}
+\def\pgffuncshadingcmyktogray{%
+  exch 0.11 mul add exch 0.59 mul add exch 0.3 mul add
+  1.0 2 copy gt { exch } if pop
+  1.0 exch sub
+}
+\def\pgffuncshadinggraytorgb{%
+  dup dup
+}
+\def\pgffuncshadinggraytocmyk{%
+  0.0 0.0 0.0
+  4 3 roll
+}
+\def\pgfutilgetcmykshadingsdriver{%
+  \expandafter\pgfutil@getcmykshadingsdriver\pgfsysdriver[
+}
+\def\pgfutil@getcmykshadingsdriver pgfsys-#1[{%
+  \edef\pgfsyscmykshadingsdriver{pgfsys-cmykshadings-#1}%
+}
+\pgfutilgetcmykshadingsdriver
+\input\pgfsyscmykshadingsdriver
+\newif\ifpgfcmykshadingdefault
+\DeclareOption{cmyk}{%
+  \pgfcmykshadingdefaulttrue
+}
+\DeclareOption{rgb}{%
+  \pgfcmykshadin@defaultfalse
+}
+\ExecuteOptions{cmyk}
+\ProcessOptions\relax
+%% 
+%%
+%% End of file `pgf-cmykshadings.sty'.
diff --git a/Master/texmf-dist/tex/latex/pgf-cmykshadings/pgfsys-cmykshadings-dvipdfmx.def b/Master/texmf-dist/tex/latex/pgf-cmykshadings/pgfsys-cmykshadings-dvipdfmx.def
new file mode 100644
index 00000000000..fe46ff69fa3
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/pgf-cmykshadings/pgfsys-cmykshadings-dvipdfmx.def
@@ -0,0 +1,184 @@
+%%
+%% This is file `pgfsys-cmykshadings-dvipdfmx.def',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% pgf-cmykshadings.dtx  (with options: `dvipdfmx-driver')
+%% 
+%% This is a generated file.
+%% 
+%% Copyright (c) 2018 David Purton <dcpurton@marshwiggle.net>
+%% 
+%% This work may be distributed and/or modified under the conditions of
+%% the LaTeX Project Public License, either version 1.3c of this license
+%% or (at your option) any later version. The latest version of this
+%% license is in
+%%    http://www.latex-project.org/lppl.txt
+%% and version 1.3c or later is part of all distributions of LaTeX
+%% version 2005/12/01 or later.
+%% 
+%% This work is "maintained" (as per the LPPL maintenance status)
+%% by David Purton.
+%% 
+%% This work consists of the files pgf-cmykshadings.ins,
+%% pgf-cmykshadings.dtx, README.md, and the derived files
+%%   - pgf-cmykshadings.sty
+%%   - pgfsys-cmykshadings-pdftex.def
+%%   - pgfsys-cmykshadgins-xetex.def
+%%   - pgfsys-cmykshadings-luatex.def
+%%   - pgfsys-cmykshadings-dvipdfmx.def
+%%   - pgf-cmykshadings.pdf
+%% 
+%% 
+%% Substantial parts of the code for this package are taken from the pgf
+%% package files pgfcoreshade.code.tex, pgfsys-pdftex.def,
+%% pgfsys-luatex.def, and pgfsys-dvipdfmx.def copyright (c) 2006 Till
+%% Tantau and then slightly modified to support CMYK and grayscale
+%% shadings.
+%% 
+\ProvidesFile{pgfsys-cmykshadings-dvipdfmx.def}%
+  [2018/10/17 CMYK shadings support for PGF dvipdfmx driver (DCP)]
+\def\pgfsys@horishading#1#2#3{%
+  {%
+    \pgf@parsefunc{#3}%
+    \pgfmathparse{#2}%
+    \pgf@process{\pgfpoint{\pgf@max}{#2}}%
+    \edef\@tempa{\noexpand\pgfutil@insertatbegincurrentpagefrombox{%
+      \special{pdf:bxobj @pgfshade\the\pgfsys@objnum\space
+        width \the\pgf@max\space height \pgfmathresult pt}%
+      \special{pdf:put @resources
+      <<
+        /Shading << /Sh << /ShadingType 2
+        /ColorSpace \pgf@shading@device\space
+        /Domain [\pgf@pdfparseddomain]
+        /Coords [\pgf@doma\space0 \pgf@domb\space0]
+        /Function \pgf@pdfparsedfunction
+        /Extend [false false] >> >>
+      >>}%
+      \pgfsys@invoke{/Sh sh}%
+      \special{pdf:exobj}}}\@tempa% <<
+    \expandafter\xdef\csname @pgfshading#1!\endcsname{%
+      \hbox to\the\pgf@max{\vbox to\pgfmathresult pt{%
+        \vfil\special{pdf:uxobj @pgfshade\the\pgfsys@objnum}}\hfil}}%
+    \expandafter\xdef\csname @pgfshading#1@model!\endcsname{%
+      \pgf@shading@model}%
+  }%
+  \global\advance\pgfsys@objnum\@ne%
+}
+\def\pgfsys@vertshading#1#2#3{%
+  {%
+    \pgf@parsefunc{#3}%
+    \pgfmathparse{#2}%
+    \pgf@process{\pgfpoint{\pgf@max}{#2}}%
+    \edef\@tempa{\noexpand\pgfutil@insertatbegincurrentpagefrombox{%
+      \special{pdf:bxobj @pgfshade\the\pgfsys@objnum\space
+        width \pgfmathresult pt\space height \the\pgf@max}%
+      \special{pdf:put @resources
+      <<
+        /Shading << /Sh << /ShadingType 2
+        /ColorSpace \pgf@shading@device\space
+        /Domain [\pgf@pdfparseddomain]
+        /Coords [0 \pgf@doma\space0 \pgf@domb]
+        /Function \pgf@pdfparsedfunction
+        /Extend [false false] >> >>
+      >>}%
+      \pgfsys@invoke{/Sh sh}%
+      \special{pdf:exobj}}}\@tempa% <<
+    \expandafter\xdef\csname @pgfshading#1!\endcsname{%
+      \hbox to\pgfmathresult pt{\vbox to\the\pgf@max{%
+        \vfil\special{pdf:uxobj @pgfshade\the\pgfsys@objnum}}\hfil}}%
+    \expandafter\xdef\csname @pgfshading#1@model!\endcsname{%
+      \pgf@shading@model}%
+  }%
+  \global\advance\pgfsys@objnum\@ne%
+}
+\def\pgfsys@radialshading#1#2#3{%
+  {%
+    \pgf@parsefunc{#3}%
+    \pgf@process{#2}%
+    \pgf@xa=\pgf@x%
+    \pgf@ya=\pgf@y%
+    \pgf@process{\pgfpoint{\pgf@max}{\pgf@max}}%
+    \advance\pgf@xa by \pgf@x%
+    \advance\pgf@ya by \pgf@y%
+    \pgf@sys@bp@correct{\pgf@x}%
+    \pgf@sys@bp@correct{\pgf@y}%
+    \pgf@sys@bp@correct{\pgf@xa}%
+    \pgf@sys@bp@correct{\pgf@ya}%
+    \pgfutil@tempdima=2\pgf@max%
+    \edef\@tempa{\noexpand\pgfutil@insertatbegincurrentpagefrombox{%
+      \special{pdf:bxobj @pgfshade\the\pgfsys@objnum\space
+        width \the\pgfutil@tempdima\space height \the\pgfutil@tempdima}%
+      \special{pdf:put @resources
+      <<
+        /Shading << /Sh << /ShadingType 3
+        /ColorSpace \pgf@shading@device\space
+        /Domain [\pgf@pdfparseddomain]
+        /Coords [\pgf@sys@tonumber{\pgf@xa}
+          \pgf@sys@tonumber{\pgf@ya}
+          \pgf@doma\space \pgf@sys@tonumber{\pgf@x}
+          \pgf@sys@tonumber{\pgf@y}
+          \pgf@domb]
+        /Function \pgf@pdfparsedfunction
+        /Extend [true false] >> >>
+      >>}%
+      \pgfsys@invoke{/Sh sh}%
+      \special{pdf:exobj}}}\@tempa% <<
+    \expandafter\xdef\csname @pgfshading#1!\endcsname{%
+      \hbox to\the\pgfutil@tempdima{\vbox to\the\pgfutil@tempdima{%
+        \vfil\special{pdf:uxobj @pgfshade\the\pgfsys@objnum}}\hfil}}%
+    \expandafter\xdef\csname @pgfshading#1@model!\endcsname{%
+      \pgf@shading@model}%
+  }%
+  \global\advance\pgfsys@objnum\@ne%
+}
+\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%
+    % Now build the function
+    \edef\@tempa{\noexpand\pgfutil@insertatbegincurrentpagefrombox{%
+      \special{pdf:stream @pgfstream\the\pgfsys@objnum\space({#4})
+        <</FunctionType 4 /Domain [\pgf@sys@tonumber{\pgf@xa}\space
+          \pgf@sys@tonumber{\pgf@xb}\space
+          \pgf@sys@tonumber{\pgf@ya}\space
+          \pgf@sys@tonumber{\pgf@yb}]
+        /Range [\pgf@shading@functional@range]>>}}}\@tempa%
+    \edef\@tempa{\noexpand\pgfutil@insertatbegincurrentpagefrombox{%
+      \special{pdf:bxobj @pgfshade\the\pgfsys@objnum\space
+        width \the\pgf@x\space height \the\pgf@y}%
+      \special{pdf:put @resources <</Shading <</Sh <</ShadingType 1
+        /ColorSpace \pgf@shading@device\space
+        /Matrix [1 0 0 1 \pgf@sys@tonumber{\pgf@xc}\space
+          \pgf@sys@tonumber{\pgf@yc}]
+        /Domain [\pgf@sys@tonumber{\pgf@xa}\space
+          \pgf@sys@tonumber{\pgf@xb}\space
+          \pgf@sys@tonumber{\pgf@ya}\space
+          \pgf@sys@tonumber{\pgf@yb}]
+        /Function @pgfstream\the\pgfsys@objnum>> >> >>}%
+      \pgfsys@invoke{/Sh sh}%
+      \special{pdf:exobj}}}\@tempa% <<
+    \expandafter\xdef\csname @pgfshading#1!\endcsname{%
+      \leavevmode\hbox to\the\pgf@x{\vbox to\the\pgf@y{%
+        \vfil\special{pdf:uxobj @pgfshade\the\pgfsys@objnum}}\hfil}}%
+    \expandafter\xdef\csname @pgfshading#1@model!\endcsname{%
+      \pgf@shading@model}%
+  }%
+  \global\advance\pgfsys@objnum\@ne%
+}
+%% 
+%%
+%% End of file `pgfsys-cmykshadings-dvipdfmx.def'.
diff --git a/Master/texmf-dist/tex/latex/pgf-cmykshadings/pgfsys-cmykshadings-luatex.def b/Master/texmf-dist/tex/latex/pgf-cmykshadings/pgfsys-cmykshadings-luatex.def
new file mode 100644
index 00000000000..08ab12cce8b
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/pgf-cmykshadings/pgfsys-cmykshadings-luatex.def
@@ -0,0 +1,169 @@
+%%
+%% This is file `pgfsys-cmykshadings-luatex.def',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% pgf-cmykshadings.dtx  (with options: `luatex-driver')
+%% 
+%% This is a generated file.
+%% 
+%% Copyright (c) 2018 David Purton <dcpurton@marshwiggle.net>
+%% 
+%% This work may be distributed and/or modified under the conditions of
+%% the LaTeX Project Public License, either version 1.3c of this license
+%% or (at your option) any later version. The latest version of this
+%% license is in
+%%    http://www.latex-project.org/lppl.txt
+%% and version 1.3c or later is part of all distributions of LaTeX
+%% version 2005/12/01 or later.
+%% 
+%% This work is "maintained" (as per the LPPL maintenance status)
+%% by David Purton.
+%% 
+%% This work consists of the files pgf-cmykshadings.ins,
+%% pgf-cmykshadings.dtx, README.md, and the derived files
+%%   - pgf-cmykshadings.sty
+%%   - pgfsys-cmykshadings-pdftex.def
+%%   - pgfsys-cmykshadgins-xetex.def
+%%   - pgfsys-cmykshadings-luatex.def
+%%   - pgfsys-cmykshadings-dvipdfmx.def
+%%   - pgf-cmykshadings.pdf
+%% 
+%% 
+%% Substantial parts of the code for this package are taken from the pgf
+%% package files pgfcoreshade.code.tex, pgfsys-pdftex.def,
+%% pgfsys-luatex.def, and pgfsys-dvipdfmx.def copyright (c) 2006 Till
+%% Tantau and then slightly modified to support CMYK and grayscale
+%% shadings.
+%% 
+\ProvidesFile{pgfsys-cmykshadings-luatex.def}%
+  [2018/10/17 CMYK shadings support for PGF luatex driver (DCP)]
+\def\pgfsys@horishading#1#2#3{%
+  {%
+    \pgf@parsefunc{#3}%
+    \pgfmathparse{#2}%
+    \setbox\pgfutil@tempboxa=\hbox to\pgf@max{%
+      \vbox to\pgfmathresult pt{\vfil\pgfsys@invoke{/Sh sh}}\hfil}%
+    \pgf@process{\pgfpoint{\pgf@max}{#2}}%
+    \immediate\saveboxresource resources {%
+      /Shading << /Sh << /ShadingType 2
+      /ColorSpace \pgf@shading@device\space
+      /Domain [\pgf@pdfparseddomain]
+      /Coords [\pgf@doma\space0 \pgf@domb\space0]
+      /Function \pgf@pdfparsedfunction
+      /Extend [false false] >> >>}\pgfutil@tempboxa% <<
+    \expandafter\xdef\csname @pgfshading#1!\endcsname{%
+      \leavevmode\noexpand\useboxresource\the\lastsavedboxresourceindex}%
+    \expandafter\xdef\csname @pgfshading#1@model!\endcsname{%
+      \pgf@shading@model}%
+  }%
+}
+\def\pgfsys@vertshading#1#2#3{%
+  {%
+    \pgf@parsefunc{#3}%
+    \pgfmathparse{#2}%
+    \setbox\pgfutil@tempboxa=\hbox to\pgfmathresult pt{%
+      \vbox to\pgf@max{\vfil\pgfsys@invoke{/Sh sh}}\hfil}%
+    \pgf@process{\pgfpoint{#2}{\pgf@max}}%
+    \immediate\saveboxresource resources {%
+      /Shading << /Sh << /ShadingType 2
+      /ColorSpace \pgf@shading@device\space
+      /Domain [\pgf@pdfparseddomain]
+      /Coords [0 \pgf@doma\space0 \pgf@domb]
+      /Function \pgf@pdfparsedfunction
+      /Extend [false false] >> >>}\pgfutil@tempboxa% <<
+    \expandafter\xdef\csname @pgfshading#1!\endcsname{%
+      \leavevmode\noexpand\useboxresource\the\lastsavedboxresourceindex}%
+    \expandafter\xdef\csname @pgfshading#1@model!\endcsname{%
+      \pgf@shading@model}%
+  }%
+}
+\def\pgfsys@radialshading#1#2#3{%
+  {%
+    \pgf@parsefunc{#3}%
+    \setbox\pgfutil@tempboxa=\hbox to2\pgf@max{%
+      \vbox to2\pgf@max{\vfil\pgfsys@invoke{/Sh sh}}\hfil}%
+    \pgf@process{#2}%
+    \pgf@xa=\pgf@x%
+    \pgf@ya=\pgf@y%
+    \pgf@process{\pgfpoint{\pgf@max}{\pgf@max}}%
+    \advance\pgf@xa by \pgf@x%
+    \advance\pgf@ya by \pgf@y%
+    \pgf@sys@bp@correct{\pgf@x}%
+    \pgf@sys@bp@correct{\pgf@y}%
+    \pgf@sys@bp@correct{\pgf@xa}%
+    \pgf@sys@bp@correct{\pgf@ya}%
+    \immediate\saveboxresource resources {%
+      /Shading << /Sh << /ShadingType 3
+      /ColorSpace \pgf@shading@device\space
+      /Domain [\pgf@pdfparseddomain]
+      /Coords [\pgf@sys@tonumber{\pgf@xa}
+        \pgf@sys@tonumber{\pgf@ya}
+        \pgf@doma\space
+        \pgf@sys@tonumber{\pgf@x}
+        \pgf@sys@tonumber{\pgf@y}
+        \pgf@domb]
+      /Function \pgf@pdfparsedfunction
+      /Extend [true false] >> >>}\pgfutil@tempboxa% <<
+    \expandafter\xdef\csname @pgfshading#1!\endcsname{%
+      \leavevmode\noexpand\useboxresource\the\lastsavedboxresourceindex}%
+    \expandafter\xdef\csname @pgfshading#1@model!\endcsname{%
+      \pgf@shading@model}%
+  }%
+}
+\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%
+    \setbox\pgfutil@tempboxa=\hbox to\pgf@x{%
+      \vbox to\pgf@y{\vfil\pgfsys@invoke{/Sh sh}}\hfil}%
+    \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%
+    % Now build the function
+    \pdfextension obj
+    stream
+    attr
+    {
+      /FunctionType 4
+      /Domain [\pgf@sys@tonumber{\pgf@xa}\space
+        \pgf@sys@tonumber{\pgf@xb}\space
+        \pgf@sys@tonumber{\pgf@ya}\space
+        \pgf@sys@tonumber{\pgf@yb}]
+      /Range [\pgf@shading@functional@range]
+    }
+    {{#4}}%
+    \edef\pgf@temp@num{\the\numexpr\pdffeedback lastobj\relax}%
+    \saveboxresource resources {%
+      /Shading << /Sh << /ShadingType 1
+      /ColorSpace \pgf@shading@device\space
+      /Matrix [1 0 0 1 \pgf@sys@tonumber{\pgf@xc}\space
+        \pgf@sys@tonumber{\pgf@yc}]
+      /Domain [\pgf@sys@tonumber{\pgf@xa}\space
+        \pgf@sys@tonumber{\pgf@xb}\space
+        \pgf@sys@tonumber{\pgf@ya}\space
+        \pgf@sys@tonumber{\pgf@yb}]
+      /Function \pgf@temp@num\space 0 R
+      >> >>}\pgfutil@tempboxa% <<
+    \expandafter\xdef\csname @pgfshading#1!\endcsname{%
+      \leavevmode%
+      \noexpand\useboxresource\the\lastsavedboxresourceindex%
+      \noexpand\pdfextension refobj \pgf@temp@num%
+    }%
+    \expandafter\xdef\csname @pgfshading#1@model!\endcsname{%
+      \pgf@shading@model}%
+  }%
+}
+%% 
+%%
+%% End of file `pgfsys-cmykshadings-luatex.def'.
diff --git a/Master/texmf-dist/tex/latex/pgf-cmykshadings/pgfsys-cmykshadings-pdftex.def b/Master/texmf-dist/tex/latex/pgf-cmykshadings/pgfsys-cmykshadings-pdftex.def
new file mode 100644
index 00000000000..24497e487b4
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/pgf-cmykshadings/pgfsys-cmykshadings-pdftex.def
@@ -0,0 +1,169 @@
+%%
+%% This is file `pgfsys-cmykshadings-pdftex.def',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% pgf-cmykshadings.dtx  (with options: `pdftex-driver')
+%% 
+%% This is a generated file.
+%% 
+%% Copyright (c) 2018 David Purton <dcpurton@marshwiggle.net>
+%% 
+%% This work may be distributed and/or modified under the conditions of
+%% the LaTeX Project Public License, either version 1.3c of this license
+%% or (at your option) any later version. The latest version of this
+%% license is in
+%%    http://www.latex-project.org/lppl.txt
+%% and version 1.3c or later is part of all distributions of LaTeX
+%% version 2005/12/01 or later.
+%% 
+%% This work is "maintained" (as per the LPPL maintenance status)
+%% by David Purton.
+%% 
+%% This work consists of the files pgf-cmykshadings.ins,
+%% pgf-cmykshadings.dtx, README.md, and the derived files
+%%   - pgf-cmykshadings.sty
+%%   - pgfsys-cmykshadings-pdftex.def
+%%   - pgfsys-cmykshadgins-xetex.def
+%%   - pgfsys-cmykshadings-luatex.def
+%%   - pgfsys-cmykshadings-dvipdfmx.def
+%%   - pgf-cmykshadings.pdf
+%% 
+%% 
+%% Substantial parts of the code for this package are taken from the pgf
+%% package files pgfcoreshade.code.tex, pgfsys-pdftex.def,
+%% pgfsys-luatex.def, and pgfsys-dvipdfmx.def copyright (c) 2006 Till
+%% Tantau and then slightly modified to support CMYK and grayscale
+%% shadings.
+%% 
+\ProvidesFile{pgfsys-cmykshadings-pdftex.def}%
+  [2018/10/17 CMYK shadings support for PGF pdftex driver (DCP)]
+\def\pgfsys@horishading#1#2#3{%
+  {%
+    \pgf@parsefunc{#3}%
+    \pgfmathparse{#2}%
+    \setbox\pgfutil@tempboxa=\hbox to\pgf@max{%
+      \vbox to\pgfmathresult pt{\vfil\pgfsys@invoke{/Sh sh}}\hfil}%
+    \pgf@process{\pgfpoint{\pgf@max}{#2}}%
+    \immediate\pdfxform resources {%
+      /Shading << /Sh << /ShadingType 2
+      /ColorSpace \pgf@shading@device\space
+      /Domain [\pgf@pdfparseddomain]
+      /Coords [\pgf@doma\space0 \pgf@domb\space0]
+      /Function \pgf@pdfparsedfunction
+      /Extend [false false] >> >>}\pgfutil@tempboxa% <<
+    \expandafter\xdef\csname @pgfshading#1!\endcsname{%
+      \leavevmode\noexpand\pdfrefxform\the\pdflastxform}%
+    \expandafter\xdef\csname @pgfshading#1@model!\endcsname{%
+      \pgf@shading@model}%
+  }%
+}
+\def\pgfsys@vertshading#1#2#3{%
+  {%
+    \pgf@parsefunc{#3}%
+    \pgfmathparse{#2}%
+    \setbox\pgfutil@tempboxa=\hbox to\pgfmathresult pt{%
+      \vbox to\pgf@max{\vfil\pgfsys@invoke{/Sh sh}}\hfil}%
+    \pgf@process{\pgfpoint{#2}{\pgf@max}}%
+    \immediate\pdfxform resources {%
+      /Shading << /Sh << /ShadingType 2
+      /ColorSpace \pgf@shading@device\space
+      /Domain [\pgf@pdfparseddomain]
+      /Coords [0 \pgf@doma\space0 \pgf@domb]
+      /Function \pgf@pdfparsedfunction
+      /Extend [false false] >> >>}\pgfutil@tempboxa% <<
+    \expandafter\xdef\csname @pgfshading#1!\endcsname{%
+      \leavevmode\noexpand\pdfrefxform\the\pdflastxform}%
+    \expandafter\xdef\csname @pgfshading#1@model!\endcsname{%
+      \pgf@shading@model}%
+  }%
+}
+\def\pgfsys@radialshading#1#2#3{%
+  {%
+    \pgf@parsefunc{#3}%
+    \setbox\pgfutil@tempboxa=\hbox to2\pgf@max{%
+      \vbox to2\pgf@max{\vfil\pgfsys@invoke{/Sh sh}}\hfil}%
+    \pgf@process{#2}%
+    \pgf@xa=\pgf@x%
+    \pgf@ya=\pgf@y%
+    \pgf@process{\pgfpoint{\pgf@max}{\pgf@max}}%
+    \advance\pgf@xa by \pgf@x%
+    \advance\pgf@ya by \pgf@y%
+    \pgf@sys@bp@correct{\pgf@x}%
+    \pgf@sys@bp@correct{\pgf@y}%
+    \pgf@sys@bp@correct{\pgf@xa}%
+    \pgf@sys@bp@correct{\pgf@ya}%
+    \immediate\pdfxform resources {%
+      /Shading << /Sh << /ShadingType 3
+      /ColorSpace \pgf@shading@device\space
+      /Domain [\pgf@pdfparseddomain]
+      /Coords [\pgf@sys@tonumber{\pgf@xa}
+        \pgf@sys@tonumber{\pgf@ya}
+        \pgf@doma\space
+        \pgf@sys@tonumber{\pgf@x}
+        \pgf@sys@tonumber{\pgf@y}
+        \pgf@domb]
+      /Function \pgf@pdfparsedfunction
+      /Extend [true false] >> >>}\pgfutil@tempboxa% <<
+    \expandafter\xdef\csname @pgfshading#1!\endcsname{%
+      \leavevmode\noexpand\pdfrefxform\the\pdflastxform}%
+    \expandafter\xdef\csname @pgfshading#1@model!\endcsname{%
+      \pgf@shading@model}%
+  }%
+}
+\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%
+    \setbox\pgfutil@tempboxa=\hbox to\pgf@x{%
+      \vbox to\pgf@y{\vfil\pgfsys@invoke{/Sh sh}}\hfil}%
+    \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%
+    % Now build the function
+    \pdfobj
+    stream
+    attr
+    {
+      /FunctionType 4
+      /Domain [\pgf@sys@tonumber{\pgf@xa}\space
+        \pgf@sys@tonumber{\pgf@xb}\space
+        \pgf@sys@tonumber{\pgf@ya}\space
+        \pgf@sys@tonumber{\pgf@yb}]
+      /Range [\pgf@shading@functional@range]
+    }
+    {{#4}}%
+    \edef\pgf@temp@num{\the\pdflastobj}%
+    \pdfxform resources {%
+      /Shading << /Sh << /ShadingType 1
+      /ColorSpace \pgf@shading@device\space
+      /Matrix [1 0 0 1 \pgf@sys@tonumber{\pgf@xc}\space
+        \pgf@sys@tonumber{\pgf@yc}]
+      /Domain [\pgf@sys@tonumber{\pgf@xa}\space
+        \pgf@sys@tonumber{\pgf@xb}\space
+        \pgf@sys@tonumber{\pgf@ya}\space
+        \pgf@sys@tonumber{\pgf@yb}]
+      /Function \pgf@temp@num\space 0 R
+      >> >>}\pgfutil@tempboxa% <<
+    \expandafter\xdef\csname @pgfshading#1!\endcsname{%
+      \leavevmode%
+      \noexpand\pdfrefxform\the\pdflastxform%
+      \noexpand\pdfrefobj\pgf@temp@num%
+    }%
+    \expandafter\xdef\csname @pgfshading#1@model!\endcsname{%
+      \pgf@shading@model}%
+  }%
+}
+%% 
+%%
+%% End of file `pgfsys-cmykshadings-pdftex.def'.
diff --git a/Master/texmf-dist/tex/latex/pgf-cmykshadings/pgfsys-cmykshadings-xetex.def b/Master/texmf-dist/tex/latex/pgf-cmykshadings/pgfsys-cmykshadings-xetex.def
new file mode 100644
index 00000000000..037da007ab9
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/pgf-cmykshadings/pgfsys-cmykshadings-xetex.def
@@ -0,0 +1,45 @@
+%%
+%% This is file `pgfsys-cmykshadings-xetex.def',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% pgf-cmykshadings.dtx  (with options: `xetex-driver')
+%% 
+%% This is a generated file.
+%% 
+%% Copyright (c) 2018 David Purton <dcpurton@marshwiggle.net>
+%% 
+%% This work may be distributed and/or modified under the conditions of
+%% the LaTeX Project Public License, either version 1.3c of this license
+%% or (at your option) any later version. The latest version of this
+%% license is in
+%%    http://www.latex-project.org/lppl.txt
+%% and version 1.3c or later is part of all distributions of LaTeX
+%% version 2005/12/01 or later.
+%% 
+%% This work is "maintained" (as per the LPPL maintenance status)
+%% by David Purton.
+%% 
+%% This work consists of the files pgf-cmykshadings.ins,
+%% pgf-cmykshadings.dtx, README.md, and the derived files
+%%   - pgf-cmykshadings.sty
+%%   - pgfsys-cmykshadings-pdftex.def
+%%   - pgfsys-cmykshadgins-xetex.def
+%%   - pgfsys-cmykshadings-luatex.def
+%%   - pgfsys-cmykshadings-dvipdfmx.def
+%%   - pgf-cmykshadings.pdf
+%% 
+%% 
+%% Substantial parts of the code for this package are taken from the pgf
+%% package files pgfcoreshade.code.tex, pgfsys-pdftex.def,
+%% pgfsys-luatex.def, and pgfsys-dvipdfmx.def copyright (c) 2006 Till
+%% Tantau and then slightly modified to support CMYK and grayscale
+%% shadings.
+%% 
+\ProvidesFile{pgfsys-cmykshadings-xetex.def}%
+  [2018/10/17 CMYK shadings support for PGF xetex driver (DCP)]
+\input pgfsys-cmykshadings-dvipdfmx.def
+%% 
+%%
+%% End of file `pgfsys-cmykshadings-xetex.def'.