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%% Copyright (C) 2011-2012 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 trimclip.dtx, adjustbox.ins
%% and the derived files trimclip.sty,
%% tc-dvips.def, tc-pdftex.def, tc-pgf.def and tc-xetex.def.
%% Further author information are located in the .def files.
%%
\ProvidesPackage{trimclip}[%
2012/05/16
v1.0
Trim and clip general TeX material]
\def\tc@driver{tc-\Gin@driver}
\DeclareOption{pgf}{\def\tc@driver{tc-pgf.def}\PassOptionsToPackage{pgf}{graphicx}}
\DeclareOption{pdftex}{\def\tc@driver{tc-pdftex.def}\PassOptionsToPackage{pdftex}{graphicx}}
\DeclareOption{xetex}{\def\tc@driver{tc-xetex.def}\PassOptionsToPackage{xetex}{graphicx}}
\DeclareOption{dvips}{\def\tc@driver{tc-dvips.def}\PassOptionsToPackage{dvips}{graphicx}}
\DeclareOption{dvipdfm}{\def\tc@driver{tc-xetex.def}\PassOptionsToPackage{xetex}{graphicx}}
\DeclareOption{dvipdf}{\def\tc@driver{tc-xetex.def}\PassOptionsToPackage{xetex}{graphicx}}
\DeclareOption*{%
\@ifpackageloaded{graphics}{%
\edef\tc@driver{tc-\CurrentOption.def}%
\begingroup
\edef\@tempa{\CurrentOption.def}%
\ifx\@tempa\Gin@driver\else
\let\on@line\@gobble
\PackageWarning{trimclip}{%
A different clipping driver was requested than the\MessageBreak
one used for 'graphics/x'! This is not recommended\MessageBreak
and can lead to defect output files.%
}%
\fi
\endgroup
}{%
\def\tc@driver{tc-\Gin@driver}%
\PassOptionsToPackage\CurrentOption{graphicx}%
}%
}
\ProcessOptions*\relax
\RequirePackage{graphicx}[1999/02/16]
\RequirePackage{collectbox}[2011/08/22]
\RequirePackage{adjcalc}
\def\tc@readvalues#1{%
\tc@@readvalues#1 {} {} {} \\%
}
\def\tc@@readvalues#1 #2 #3 #4 #5\\{%
\adjsetlengthdefault\tc@llx{#1}%
\ifx\@nnil#2\@nnil
\tc@lly\tc@llx
\tc@urx\tc@llx
\tc@ury\tc@llx
\else
\adjsetlengthdefault\tc@lly{#2}%
\ifx\@nnil#3\@nnil
\tc@urx\tc@llx
\tc@ury\tc@lly
\else
\adjsetlengthdefault\tc@urx{#3}%
\adjsetlengthdefault\tc@ury{#4}%
\fi
\fi
}%
\newdimen\tc@llx
\newdimen\tc@lly
\newdimen\tc@urx
\newdimen\tc@ury
\newcommand\trimbox{%
\collectboxcheckenv{trimbox}%
\@ifstar
\trimbox@s
\trimbox@
}
\def\trimbox@#1{%
\collectbox{\@trimclip\@trimbox{#1}}%
}
\def\trimbox@s#1{%
\collectbox{\@trimclip\@viewportbox{#1}}%
}
\expandafter\newcommand\expandafter*\csname trimbox*\endcsname{%
\@collectboxisenv{trimbox*}%
\trimbox@s
}
\newcommand\clipbox{%
\collectboxcheckenv{clipbox}%
\@ifstar
\clipbox@s
\clipbox@
}
\def\clipbox@#1{%
\collectbox{\@trimclip\@clipbox{#1}}%
}
\def\clipbox@s#1{%
\collectbox{\@trimclip\@clipvpbox{#1}}%
}
\expandafter\newcommand\expandafter*\csname clipbox*\endcsname{%
\@collectboxisenv{clipbox*}%
\clipbox@s
}
\newcommand\marginbox{%
\collectboxcheckenv{marginbox}%
\@ifstar
\marginbox@s
\marginbox@
}
\def\marginbox@#1{%
\@collectbox{\@trimclip\@marginbox{#1}}%
}
\def\marginbox@s#1{%
\@collectbox{\@trimclip\@marginraisebox{#1}}%
}
\expandafter\newcommand\expandafter*\csname marginbox*\endcsname{%
\@collectboxisenv{marginbox*}%
\marginbox@s
}
\def\@trimclip#1#2{%
\tc@readvalues{#2}%
#1%
\collectedbox
\tc@llx
\tc@lly
\tc@urx
\tc@ury
\usebox\collectedbox
}
\def\tc@correctbaseline#1{%
\ifdim\dp#1<\z@
\raise\dp#1%
\else
\ifdim\ht#1<\z@
\lower\ht#1%
\fi\fi
\box#1%
}%
\def\tc@correctdims#1{%
\ifdim\dp#1<\z@ \dp#1=\z@ \fi
\ifdim\wd#1<\z@ \wd#1=\z@ \fi
\ifdim\ht#1<\z@ \ht#1=\z@ \fi
}
\def\@trimbox#1#2#3#4#5{%
\setbox#1=\hbox{%
%
\tc@llx=#2\relax
\tc@lly=#3\relax
\advance\tc@lly-\dp#1%
\tc@urx=#4\relax
\advance\tc@urx-\wd#1%
\tc@ury=#5\relax
\advance\tc@ury-\ht#1%
%
% Set dimensions now.
% This allows that the arguments can refer
% to the original dimensions without issues.
\hskip-\tc@llx
\dp#1-\tc@lly
\wd#1-\tc@urx
\ht#1-\tc@ury
%
\tc@correctbaseline{#1}%
}%
\tc@correctdims{#1}%
}
\def\@marginbox#1#2#3#4#5{%
\setbox#1=\hbox{%
%
\tc@llx=#2\relax
\tc@lly=#3\relax
\advance\tc@lly\dp#1%
\tc@urx=#4\relax
\advance\tc@urx\wd#1%
\tc@ury=#5\relax
\advance\tc@ury\ht#1%
%
% Set dimensions now.
% This allows that the arguments can refer
% to the original dimensions without issues.
\hskip\tc@llx
\dp#1\tc@lly
\wd#1\tc@urx
\ht#1\tc@ury
%
\box#1%
}%
\tc@correctdims{#1}%
}
\def\@marginraisebox#1#2#3#4#5{%
\setbox#1=\hbox{%
%
\tc@llx=#2\relax
\tc@lly=#3\relax
\tc@urx=#4\relax
\advance\tc@urx\wd#1%
\tc@ury=#5\relax
\advance\tc@ury\ht#1%
%
% Set dimensions now.
% This allows that the arguments can refer
% to the original dimensions without issues.
\hskip\tc@llx
\wd#1\tc@urx
\ht#1\tc@ury
% Copy original tty values (ury is taken as temp dimension)
\tc@ury=\tc@lly
\advance\tc@lly\dp#1%
\dp#1\tc@lly
% Raise bu original tty value (now in ury)
\raise\tc@ury\box#1%
}%
\tc@correctdims{#1}%
}
\def\@viewportbox#1#2#3#4#5{%
\setbox#1=\hbox{%
%
% Assign values
\tc@llx=#2\relax
\tc@lly=#3\relax
\tc@urx=#4\relax
\tc@ury=#5\relax
%
% Set dimensions now.
% This allows that the arguments can refer
% to the original dimensions without issues.
\hskip-\tc@llx
\dp#1-\tc@lly
\wd#1\tc@urx
\ht#1\tc@ury
%
\tc@correctbaseline{#1}%
}%
\tc@correctdims{#1}%
}
\def\@clipbox#1#2#3#4#5{%
\@trimbox{#1}{#2}{#3}{#4}{#5}%
\@cliptoboxdim{#1}%
}
\def\@clipvpbox#1#2#3#4#5{%
\@viewportbox{#1}{#2}{#3}{#4}{#5}%
\@cliptoboxdim{#1}%
}
\InputIfFileExists{\tc@driver}{%
{\let\on@line\@gobble
\PackageInfo{trimclip}{Using driver '\tc@driver'.}}%
}{%
\input{tc-pgf.def}%
{\let\on@line\@gobble
\PackageInfo{trimclip}{No clipping driver '\tc@driver' available.\MessageBreak Using fall-back PGF driver.}}%
}
\endinput
%%
%% End of file `trimclip.sty'.
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