ltxtest.tex

\documentclass[tikz]{standalone}%
\usetikzlibrary{fit,calc,shadows,backgrounds,positioning}
\tikzset{
  polaroid/.cd,
  at/.store in=\polaroidat,
  at={0,0},
  graphics options/.store in=\polaroidgraphicsoptions,
  graphics options=,
  rotate/.store in=\polaroidrotate,
  rotate=0,
  caption/.store in=\polaroidcaption,
  caption=,
  caption distance/.store in=\polaroidcaptiondistance,
  caption distance=1mm,
  top margin/.store in=\polaroidtopmargin,
  bottom margin/.store in=\polaroidbottommargin,
  left margin/.store in=\polaroidleftmargin,
  right margin/.store in=\polaroidrightmargin,
  vmargin/.style={top margin=#1,bottom margin=#1},
  hmargin/.style={left margin=#1,right margin=#1},
  margin/.style={vmargin=#1,hmargin=#1},
  margin=1cm,
  caption default/.style={font=\bfseries,node distance=1mm},
  caption options/.style={caption default/.append style={#1}},
  frame default/.style={draw,inner sep=0},
  frame options/.style={frame default/.append style={#1}},
}
\newcommand\polaroidset[1]{\tikzset{polaroid/.cd,#1}}
\newcommand\polaroid[2][]{
  \bgroup
  \tikzset{polaroid/.cd,#1}
  \pgfmathsetmacro\polaroidrotate{\polaroidrotate}
  \begin{scope}[shift={(\polaroidat)},rotate=\polaroidrotate]
    \node[rotate=\polaroidrotate,inner sep=0]
    (shoot) {\expandafter\includegraphics\expandafter[\polaroidgraphicsoptions]{#2}};
    \path (shoot.north) ++(0,\polaroidtopmargin) coordinate (polaroid top);
    \path (shoot.south) ++(0,{-1*(\polaroidbottommargin)}) coordinate (polaroid bottom);
    \path (shoot.west) ++({-1*(\polaroidleftmargin)},0) coordinate (polaroid left);
    \path (shoot.east) ++(\polaroidrightmargin,0) coordinate (polaroid right);
    \node[rotate fit=\polaroidrotate,fit=(polaroid top)(polaroid bottom)(polaroid left)(polaroid right),polaroid/frame default]{};
    \node[rotate=\polaroidrotate,inner sep=0]
    (shoot) {\expandafter\includegraphics\expandafter[\polaroidgraphicsoptions]{#2}};
    \coordinate (caption center) at ($(shoot.south)!-1 * \polaroidcaptiondistance!(shoot.north)$);
    \node[anchor=north,rotate=\polaroidrotate,polaroid/caption default]
    (caption) at (caption center) {\polaroidcaption};
  \end{scope}
  \egroup
}