%% This support package contains patches for the file 'pgfsys-pdftex.def' file from
%% the TikZ/PGF bundle. All patches code is copyright by the TikZ/PGF authors
%% and is used in this file according to the LPPL license.
%% Please see the copyright and license notices in the 'pgfsys-pdftex.def' file.
%%
%% The rest of the code of this file is under the following copyright and licence:
%%
%% Copyright (C) 2011 by Martin Scharrer <martin@scharrer-online.de>
%% ---------------------------------------------------------------------------
%% This work may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either version 1.3
%% 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 1.3 or later is part of all distributions of LaTeX
%% version 2005/12/01 or later.
%%
%% This work has the LPPL maintenance status `maintained'.
%%
%% The Current Maintainer of this work is Martin Scharrer.
%%
%% This work consists of the files storebox.dtx and storebox.ins
%% and the derived filebase storebox.sty and storebox-pgf.sty.
%%
\ProvidesPackage{storebox-pgf}[%
    2011/12/21
    v1.3a
    Patches for PGF to support transparency and shadings inside storeboxes]
\begingroup
\let\on@line\@gobble
\@ifl@ter{def}{pgfsys-pdftex}{2009/05/23}{%
   \PackageInfo{storebox-pgf}{Newer version of 'pgfsys-pdftex.def' found.\MessageBreak No patches applied.}%
   \endgroup
   \endinput
}{}%
\def\storebox@patch#1#2#3#4{%
    \ifx#1\@undefined
        \PackageInfo{storebox-pgf}{Macro \string#1\space not defined.\MessageBreak No patch applied.}%
    \else
        \def\@tempa#2{#3}%
        \ifx#1\@tempa
            \PackageInfo{storebox-pgf}{Patching macro \string#1.}%
            \gdef#1#2{#4}%
        \else
            \PackageInfo{storebox-pgf}{Macro \string#1\space with unknown definition.\MessageBreak No patch applied.}%
        \fi
    \fi
}
\storebox@patch\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}}%
    \pdfxform resources {%
      /Shading << /Sh << /ShadingType 2
      /ColorSpace /DeviceRGB
      /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}%
  }%
}{%
  {%
    \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 /DeviceRGB
      /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}%
  }%
}
\storebox@patch\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}}%
    \pdfxform resources {%
      /Shading << /Sh << /ShadingType 2
      /ColorSpace /DeviceRGB
      /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}%
  }%
}{%
  {%
    \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 /DeviceRGB
      /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}%
  }%
}
\storebox@patch\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}%
    \pdfxform resources {%
      /Shading << /Sh << /ShadingType 3
      /ColorSpace /DeviceRGB
      /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}%
  }%
}{%
  {%
    \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 /DeviceRGB
      /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}%
  }%
}%
\storebox@patch\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 [0 1 0 1 0 1]
    }
    {{#4}}%
    \edef\pgf@temp@num{\the\pdflastobj}%
    \pdfxform resources {%
      /Shading << /Sh << /ShadingType 1
      /ColorSpace /DeviceRGB
      /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%
    }%
  }%
}{%
  {%
    \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 [0 1 0 1 0 1]
    }
    {{#4}}%
    \edef\pgf@temp@num{\the\pdflastobj}%
    \immediate\pdfxform resources {%
      /Shading << /Sh << /ShadingType 1
      /ColorSpace /DeviceRGB
      /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%
    }%
  }%
}
\storebox@patch\pgfsys@fadingfrombox{#1#2}{%
  {%
    \pgf@sys@pdf@check@resources%
    \pgf@x=-.5\wd#2%
    \pgf@y=-.5\ht#2%
    \advance\pgf@y by.5\dp#2%
    \expandafter\xdef\csname pgfsmasktrans@#1\endcsname{%
      \noexpand\pgftransformcm{1}{0}{0}{1}{\noexpand\pgfqpoint{\the\pgf@x}{\the\pgf@y}}}%
    \pdfxform resources { \pgf@sys@pdf@possible@resources } #2%
    \expandafter\xdef\csname pgfsmaskxform@#1\endcsname{\the\pdflastxform}%
  }%
}{%
  {%
    \pgf@sys@pdf@check@resources%
    \pgf@x=-.5\wd#2%
    \pgf@y=-.5\ht#2%
    \advance\pgf@y by.5\dp#2%
    \expandafter\xdef\csname pgfsmasktrans@#1\endcsname{%
      \noexpand\pgftransformcm{1}{0}{0}{1}{\noexpand\pgfqpoint{\the\pgf@x}{\the\pgf@y}}}%
    \immediate\pdfxform resources { \pgf@sys@pdf@possible@resources } #2%
    \expandafter\xdef\csname pgfsmaskxform@#1\endcsname{\the\pdflastxform}%
  }%
}
\storebox@patch\pgfsys@transparencygroupfrombox{#1}{%
  \pgf@sys@pdf@check@resources%
  \pdfxform
  attr { /Group << /S /Transparency >> } %<<
  resources { \pgf@sys@pdf@possible@resources }
  #1%
  \setbox#1=\hbox{\pdfrefxform\pdflastxform}%
}{%
  \pgf@sys@pdf@check@resources%
  \immediate\pdfxform
  attr { /Group << /S /Transparency >> } %<<
  resources { \pgf@sys@pdf@possible@resources }
  #1%
  \setbox#1=\hbox{\pdfrefxform\pdflastxform}%
}
\endgroup
\endinput
%%
%% End of file `storebox-pgf.sty'.
