%% $Id: pst-barcode.tex 445 2017-04-19 11:13:52Z herbert $
%%
%% This is file `pst-barcode.tex',
%%
%% IMPORTANT NOTICE:
%%
%% Package `pst-barcode.tex'
%%
%% Terry Burton <tez _at_ terryburton.co.uk>
%% Herbert Voss <hvoss _at_ 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.
%%
%% DESCRIPTION:
%%   `pst-barcode' is a PSTricks package to draw barcodes
%%
\csname PSTBarcodeLoaded\endcsname
\let\PSTBarcodeLoaded\endinput
\ifx\PSTricksLoaded\endinput\else\input pstricks.tex\fi
%
\def\fileversion{0.16a}
\def\filedate{2017/04/18}
\message{`PST-barcode' v\fileversion, \filedate\space (tb,hv)}
%
\edef\PstAtCode{\the\catcode`\@} \catcode`\@=11\relax
\ifx\PSTXKeyLoaded\endinput\else\input pst-xkey \fi
\pst@addfams{pst-barcode}
\pstheader{pst-barcode.pro}
%
\@ifundefined{marginnote}{\RequirePackage{marginnote}}{}
%
\newsavebox\QR@box
\define@key[psset]{pst-barcode}{fontstyle}[\small]{\def\pst@fontstyle{#1}}
\define@key[psset]{pst-barcode}{transx}[0]{\pst@getlength{#1}\psk@barcode@transx}
\define@key[psset]{pst-barcode}{transy}[0]{\pst@getlength{#1}\psk@barcode@transy}
\define@key[psset]{pst-barcode}{scalex}[1]{\def\psk@barcode@scalex{#1}}
\define@key[psset]{pst-barcode}{scaley}[1]{\def\psk@barcode@scaley{#1}}
\define@key[psset]{pst-barcode}{rotate}[0]{\pst@getangle{#1}\psk@barcode@rotate}
\define@boolkey[psset]{pst-barcode}[Pst@]{file}[true]{}
\psset[pst-barcode]{transx=0,transy=0,scalex=1,scaley=1,rotate=0,file=false,
	fontstyle=\small\ttfamily}
%
\def\psbarcode{\pst@object{psbarcode}}
\def\psbarcode@i#1#2#3{%
  \begin@SpecialObj
  \addto@pscode{
    gsave
    \psk@barcode@rotate\space
    \psk@barcode@scalex\space \psk@barcode@scaley\space
    \psk@barcode@transx\space \psk@barcode@transy\space
    translate scale rotate
    0 0 moveto 
    \ifPst@file 
      /File 10000 string def
      /ExternalFile { (#1)(r) file } def
      ExternalFile File readstring
      ExternalFile closefile
      File 0 rightTrim 	% strip the /000 on the right
%      pstack
    \else (#1) \fi
    (#2) /#3 /uk.co.terryburton.bwipp findresource exec
    grestore
  }%
  \end@SpecialObj%
  \ignorespaces%
}
%
%
\def\short@url#1/#2\@nil{\ifx\relax#2\relax #1\else\short@url#2\@nil\fi}
\def\QR{\@ifnextchar[\QR@i{\QR@i[0.5]}}
\def\QR@i[#1]{\@ifnextchar<{\QR@ii[#1]}{\QR@ii[#1]<>}}
\def\QR@ii[#1]<#2>#3{%
  \marginnote{\pspicture(#1in,#1in)
  \expandafter\psbarcode\expandafter{#2}{width=#1 height=#1}{qrcode}
  \endpspicture
  \newline\noindent
  \ifx\relax#2\relax 
    \sbox\QR@box{\expandafter\pst@fontstyle\short@url#3/\@nil}% Speichere Kurz-URL in \QRbox
  \else 
    \sbox\QR@box{#2}%
  \fi
  \ifdim\wd\QR@box>#1in\resizebox{#1in}{\ht\QR@box}{\usebox\QR@box}\else\usebox\QR@box\fi}}
%
\catcode`\@=\PstAtCode\relax
%
%% END: pst-barcode.tex
\endinput
