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rSCUSINGMPI/onimage.sty
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onimage.sty
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%%
%% This is file `onimage.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% onimage.dtx (with options: `onimage')
%% Copyright (C) 2011 by Clemens Koppensteiner
%% -------------------------------------------
%%
%% This file 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.
\NeedsTeXFormat{LaTeX2e}[1999/12/01]
\ProvidesPackage{onimage}
[2011/07/05 v0.3 Drawing on images in TikZ]
\RequirePackage{tikz}
\RequirePackage{xstring}
\newif\iftsx@scalecs@x
\newif\iftsx@scalecs@y
\tikzset{
tsx/scale cs/.is choice,
tsx/scale cs/x/.code={\tsx@scalecs@xtrue\tsx@scalecs@yfalse},
tsx/scale cs/y/.code={\tsx@scalecs@xfalse\tsx@scalecs@ytrue},
tsx/scale cs/both/.code={\tsx@scalecs@xtrue\tsx@scalecs@ytrue},
tsx/scale cs/none/.code={\tsx@scalecs@xfalse\tsx@scalecs@yfalse},
tsx/scale cs=both
}
\tikzset{
tsx/show help lines/.initial=0,
tsx/show help lines/.default=10
}
\def\tikzonnode#1{%
\pgfutil@ifnextchar[{\tikzonnode@opt#1}{\tikzonnode@opt#1[]}%
}
\def\tikzonnode@opt#1[#2]{%
\pgfpointanchor{#1}{south west}%
\pgfgetlastxy\tse@tikz@shift@x\tse@tikz@shift@y
\begin{scope}[
shift={(\tse@tikz@shift@x,\tse@tikz@shift@y)},
#2]%
\iftsx@scalecs@x
\tikzset{x={(#1.south east)}}
\iftsx@scalecs@y\else
\pgf@yx=\pgf@xy
\pgf@yy=\pgf@xx
\fi
\fi
\iftsx@scalecs@y
\tikzset{y={(#1.north west)}}
\iftsx@scalecs@x\else
\pgf@xx=\pgf@yy
\pgf@xy=\pgf@yx
\fi
\fi
\begingroup
\pgfkeys{/pgf/number format/.cd,fixed,precision=2}
\tikzset{tsx/show help lines/.get=\tsx@helplines}
\IfInteger\tsx@helplines{
\ifnum\tsx@helplines>1
\pgfmathsetmacro\tsx@stepsize{1/\tsx@helplines}
\draw[help lines,xstep=\tsx@stepsize,ystep=\tsx@stepsize] (0,0) grid (1,1);
\pgfmathsetmacro\tsx@numlines{\tsx@helplines - 1}
\foreach \i in {1,...,\tsx@numlines} {
\pgfmathsetmacro\tsx@step{\i*\tsx@stepsize}
\node [help lines, anchor=west,rotate=-90] at (\tsx@step,0) {\pgfmathprintnumber{\tsx@step}};
\node [help lines, anchor=east] at (0,\tsx@step) {\pgfmathprintnumber{\tsx@step}};
}
\fi
}{
\let\tsx@stepsize\tsx@helplines
\pgfpointanchor{#1}{south west}
\pgfgetlastxy\tsx@sw@x\tsx@sw@y
\pgfpointanchor{#1}{north east}
\pgfgetlastxy\tsx@ne@x\tsx@ne@y
\pgfmathsetmacro\tsx@width{\tsx@ne@x-\tsx@sw@x}
\pgfmathsetmacro\tsx@height{\tsx@ne@y-\tsx@sw@y}
\IfDecimal{\tsx@stepsize}{
\let\tsx@stepsize@multx=\pgf@xx
\let\tsx@stepsize@multy=\pgf@yy
}{
\def\tsx@stepsize@multx{1}
\def\tsx@stepsize@multy{1}
}
\pgfmathsetmacro\tsx@numlinesx{floor(\tsx@width/(\tsx@stepsize*\tsx@stepsize@multx))}
\pgfmathsetmacro\tsx@numlinesy{floor(\tsx@height/(\tsx@stepsize*\tsx@stepsize@multy))}
\ifdim\tsx@numlinesx pt>0pt
\ifdim\tsx@numlinesy pt>0pt
\draw[help lines,xstep=\tsx@stepsize,ystep=\tsx@stepsize] (0,0) grid (\tsx@width pt,\tsx@height pt);
\foreach \x in {1,...,\tsx@numlinesx} {
\pgfmathsetmacro\tsx@step{\x*\tsx@stepsize*\tsx@stepsize@multx}
\node [help lines, anchor=west,rotate=-90] at (\tsx@step pt,0) {\x};
}
\foreach \y in {1,...,\tsx@numlinesy} {
\pgfmathsetmacro\tsx@step{\y*\tsx@stepsize*\tsx@stepsize@multy}
\node [help lines, anchor=east] at (0,\tsx@step pt) {\y};
}
\fi
\fi
}
\endgroup
}
\def\endtikzonnode{%
\end{scope}%
}
\def\tikzonimage{%
\pgfutil@ifnextchar[{\tikzonimage@opt}{\tikzonimage@opt[]}%
}
\def\tikzonimage@opt[#1]#2{%
\begin{tikzpicture}
\node[inner sep=0] (image) {\includegraphics[#1]{#2}};
\begin{tikzonnode}{image}%
}
\def\endtikzonimage{%
\end{tikzonnode}
\end{tikzpicture}%
}
\endinput
%%
%% End of file `onimage.sty'.
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