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%% $Id: pst-abspos.tex 135 2009-09-27 12:33:57Z herbert $
%%
%% This is file `pst-abspos.tex',
%%
%% IMPORTANT NOTICE:
%%
%% Package `pst-abspos.tex'
%%
%% Herbert Voss <voss@perce.de>
%%
%% 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-abspos' is a PSTricks package to put objects at absolute coordinates
%%
%% For a ChangeLog go the the end
%%
\csname PSTabsposLoaded\endcsname
\let\PSTabsposLoaded\endinput
% Requires PSTricks, pst-node
\ifx\PSTricksLoaded\endinput\else\input pstricks.tex\fi
\ifx\PSTnodesLoaded\endinput\else\input pst-node.tex\fi
\ifx\PSTXKeyLoaded\endinput\else\input pst-xkey \fi
%
\def\fileversion{0.2}
\def\filedate{2009/09/27}
\message{`PST-abspos' v\fileversion, \filedate\space (Herbert Voss)}
%
\edef\PstAtCode{\the\catcode`\@} \catcode`\@=11\relax
\SpecialCoor
%
\pst@addfams{pst-abspos}
%
\newif\ifpst@lowerleft \pst@lowerleftfalse
\newif\ifpst@notitlepage \pst@notitlepagefalse
\newdimen\pst@xOffset
\newdimen\pst@yOffset
%
\define@key[psset]{pst-abspos}{position}{\edef\psk@abspos@position{#1}}
\psset{position=lb}
%
\let\pst@newpage\newpage
%
\DeclareOption{notitlepage}{\pst@notitlepagetrue}
\DeclareOption{absolute}{%
\ifpst@notitlepage
\def\newpage{\pst@newpage\pstSetAbsoluteOrigin}%
\AtBeginDocument{\pstSetAbsoluteOrigin}
\fi%
}
\DeclareOption{lowerleft}{\pst@lowerlefttrue}
\DeclareOption{relative}{%
\ifpst@notitlepage
\def\newpage{\pst@newpage\pstSetRelativeOrigin(0,0)}%
\AtBeginDocument{\pstSetRelativeOrigin(0,0)}
\fi%
}
\DeclareOption{PostScript}{%
\ifpst@notitlepage
\def\newpage{\pst@newpage\pstSetPostScriptOrigin}%
\AtBeginDocument{\pstSetPostScriptOrigin}
\fi%
}
\ProcessOptions\relax
%
\def\pst@paperheight{\ifpst@lowerleft 1 \else 0 \fi }
%
% save the origin point of the paper plane. This macro must be
% initiated before any other output
%
\def\pstSetRelativeOrigin(#1){\pnode(#1){pst@Origin}}
\def\pstSetAbsoluteOrigin{%
\pst@xOffset=-\oddsidemargin%
\advance\pst@xOffset by -\parindent%
\pst@yOffset=\topmargin%
\advance\pst@yOffset by \headheight%
\advance\pst@yOffset by \headsep%
\advance\pst@yOffset by \topskip%
\bgroup
\psset{unit=1pt}
% \pnode(\strip@pt\pst@xOffset, \strip@pt\pst@yOffset){pstTextOrigin}%
\pnode(0,0){pstTextOrigin}%
\advance\pst@xOffset by -1in%
\advance\pst@yOffset by 1in%
\ifpst@lowerleft
\advance\pst@yOffset by -\paperheight
\advance\pst@yOffset by 1in%
\fi
\pnode(\strip@pt\pst@xOffset, \strip@pt\pst@yOffset){pst@Origin}%
\egroup%
}
\def\pstSetPostScriptOrigin{%
\pst@xOffset=-\oddsidemargin%
\advance\pst@xOffset by -\parindent%
\pst@yOffset=\topmargin%
\advance\pst@yOffset by \headheight%
\advance\pst@yOffset by \headsep%
\advance\pst@yOffset by \topskip%
\bgroup
\psset{unit=1pt}
\pnode(\strip@pt\pst@xOffset, \strip@pt\pst@yOffset){pstTextOrigin}%
\ifpst@lowerleft
\advance\pst@yOffset by -\paperheight
\advance\pst@yOffset by 3in
\fi
\pnode(\strip@pt\pst@xOffset, \strip@pt\pst@yOffset){pst@Origin}%
\egroup}
%
\def\pstPutAbs{\@ifnextchar[{\pst@PutAbs@i}{\pst@PutAbs@i[]}}
\def\pst@PutAbs@i[#1](#2)#3{{%
% #1: options for \rput[#1]{...}
% #2: absolute coordinates relative to the paper (0,0)
% #3: any object to put at (#1)
\psset{#1}
\pnode(0,0){pst@tempNodeA} % the "cursor" position
\pst@getcoor{pst@Origin}\pst@tempa % Origin of the paper
\pst@getcoor{#2}\pst@tempb % Absolute coordinates
\pst@getcoor{pst@tempNodeA}\pst@tempc % relative coordinates
\pnode(! % Special Coor
/XA \pst@tempa pop \pst@number\psxunit div def
/YA \pst@tempa exch pop \pst@number\psyunit div def
/XB \pst@tempb pop \pst@number\psxunit div def
/YB \pst@tempb exch pop \pst@number\psyunit div def
/XC \pst@tempc pop \pst@number\psxunit div def
/YC \pst@tempc exch pop \pst@number\psyunit div def
XB XC sub XA add
YB YC sub YA add \pst@paperheight\space sub){pst@tempNodeB}
\rput[\psk@abspos@position](pst@tempNodeB){#3}%
}}
%
\catcode`\@=\PstAtCode\relax
%
%% END: pst-abspos.tex
\endinput
|
