mirror of https://github.com/moparisthebest/xeps
261 lines
6.9 KiB
TeX
261 lines
6.9 KiB
TeX
%% Copyright (C) 2011-2012 by Martin Scharrer <martin@scharrer-online.de>
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%% ----------------------------------------------------------------------
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%% This work may be distributed and/or modified under the
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%% conditions of the LaTeX Project Public License, either version 1.3
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%% of this license or (at your option) any later version.
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%% The latest version of this license is in
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%% http://www.latex-project.org/lppl.txt
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%% and version 1.3 or later is part of all distributions of LaTeX
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%% version 2005/12/01 or later.
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%%
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%% This work has the LPPL maintenance status `maintained'.
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%%
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%% The Current Maintainer of this work is Martin Scharrer.
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%%
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%% This work consists of the files trimclip.dtx, adjustbox.ins
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%% and the derived files trimclip.sty,
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%% tc-dvips.def, tc-pdftex.def, tc-pgf.def and tc-xetex.def.
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%% Further author information are located in the .def files.
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%%
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\ProvidesPackage{trimclip}[%
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2012/05/16
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v1.0
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Trim and clip general TeX material]
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\def\tc@driver{tc-\Gin@driver}
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\DeclareOption{pgf}{\def\tc@driver{tc-pgf.def}\PassOptionsToPackage{pgf}{graphicx}}
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\DeclareOption{pdftex}{\def\tc@driver{tc-pdftex.def}\PassOptionsToPackage{pdftex}{graphicx}}
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\DeclareOption{xetex}{\def\tc@driver{tc-xetex.def}\PassOptionsToPackage{xetex}{graphicx}}
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\DeclareOption{dvips}{\def\tc@driver{tc-dvips.def}\PassOptionsToPackage{dvips}{graphicx}}
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\DeclareOption{dvipdfm}{\def\tc@driver{tc-xetex.def}\PassOptionsToPackage{xetex}{graphicx}}
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\DeclareOption{dvipdf}{\def\tc@driver{tc-xetex.def}\PassOptionsToPackage{xetex}{graphicx}}
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\DeclareOption*{%
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\@ifpackageloaded{graphics}{%
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\edef\tc@driver{tc-\CurrentOption.def}%
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\begingroup
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\edef\@tempa{\CurrentOption.def}%
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\ifx\@tempa\Gin@driver\else
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\let\on@line\@gobble
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\PackageWarning{trimclip}{%
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A different clipping driver was requested than the\MessageBreak
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one used for 'graphics/x'! This is not recommended\MessageBreak
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and can lead to defect output files.%
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}%
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\fi
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\endgroup
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}{%
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\def\tc@driver{tc-\Gin@driver}%
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\PassOptionsToPackage\CurrentOption{graphicx}%
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}%
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}
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\ProcessOptions*\relax
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\RequirePackage{graphicx}[1999/02/16]
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\RequirePackage{collectbox}[2011/08/22]
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\RequirePackage{adjcalc}
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\def\tc@readvalues#1{%
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\tc@@readvalues#1 {} {} {} \\%
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}
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\def\tc@@readvalues#1 #2 #3 #4 #5\\{%
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\adjsetlengthdefault\tc@llx{#1}%
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\ifx\@nnil#2\@nnil
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\tc@lly\tc@llx
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\tc@urx\tc@llx
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\tc@ury\tc@llx
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\else
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\adjsetlengthdefault\tc@lly{#2}%
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\ifx\@nnil#3\@nnil
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\tc@urx\tc@llx
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\tc@ury\tc@lly
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\else
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\adjsetlengthdefault\tc@urx{#3}%
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\adjsetlengthdefault\tc@ury{#4}%
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\fi
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\fi
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}%
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\newdimen\tc@llx
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\newdimen\tc@lly
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\newdimen\tc@urx
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\newdimen\tc@ury
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\newcommand\trimbox{%
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\collectboxcheckenv{trimbox}%
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\@ifstar
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\trimbox@s
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\trimbox@
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}
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\def\trimbox@#1{%
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\collectbox{\@trimclip\@trimbox{#1}}%
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}
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\def\trimbox@s#1{%
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\collectbox{\@trimclip\@viewportbox{#1}}%
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}
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\expandafter\newcommand\expandafter*\csname trimbox*\endcsname{%
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\@collectboxisenv{trimbox*}%
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\trimbox@s
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}
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\newcommand\clipbox{%
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\collectboxcheckenv{clipbox}%
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\@ifstar
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\clipbox@s
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\clipbox@
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}
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\def\clipbox@#1{%
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\collectbox{\@trimclip\@clipbox{#1}}%
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}
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\def\clipbox@s#1{%
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\collectbox{\@trimclip\@clipvpbox{#1}}%
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}
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\expandafter\newcommand\expandafter*\csname clipbox*\endcsname{%
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\@collectboxisenv{clipbox*}%
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\clipbox@s
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}
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\newcommand\marginbox{%
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\collectboxcheckenv{marginbox}%
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\@ifstar
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\marginbox@s
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\marginbox@
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}
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\def\marginbox@#1{%
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\@collectbox{\@trimclip\@marginbox{#1}}%
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}
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\def\marginbox@s#1{%
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\@collectbox{\@trimclip\@marginraisebox{#1}}%
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}
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\expandafter\newcommand\expandafter*\csname marginbox*\endcsname{%
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\@collectboxisenv{marginbox*}%
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\marginbox@s
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}
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\def\@trimclip#1#2{%
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\tc@readvalues{#2}%
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#1%
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\collectedbox
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\tc@llx
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\tc@lly
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\tc@urx
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\tc@ury
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\usebox\collectedbox
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}
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\def\tc@correctbaseline#1{%
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\ifdim\dp#1<\z@
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\raise\dp#1%
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\else
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\ifdim\ht#1<\z@
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\lower\ht#1%
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\fi\fi
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\box#1%
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}%
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\def\tc@correctdims#1{%
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\ifdim\dp#1<\z@ \dp#1=\z@ \fi
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\ifdim\wd#1<\z@ \wd#1=\z@ \fi
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\ifdim\ht#1<\z@ \ht#1=\z@ \fi
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}
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\def\@trimbox#1#2#3#4#5{%
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\setbox#1=\hbox{%
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%
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\tc@llx=#2\relax
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\tc@lly=#3\relax
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\advance\tc@lly-\dp#1%
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\tc@urx=#4\relax
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\advance\tc@urx-\wd#1%
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\tc@ury=#5\relax
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\advance\tc@ury-\ht#1%
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%
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% Set dimensions now.
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% This allows that the arguments can refer
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% to the original dimensions without issues.
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\hskip-\tc@llx
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\dp#1-\tc@lly
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\wd#1-\tc@urx
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\ht#1-\tc@ury
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%
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\tc@correctbaseline{#1}%
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}%
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\tc@correctdims{#1}%
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}
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\def\@marginbox#1#2#3#4#5{%
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\setbox#1=\hbox{%
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%
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\tc@llx=#2\relax
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\tc@lly=#3\relax
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\advance\tc@lly\dp#1%
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\tc@urx=#4\relax
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\advance\tc@urx\wd#1%
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\tc@ury=#5\relax
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\advance\tc@ury\ht#1%
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%
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% Set dimensions now.
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% This allows that the arguments can refer
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% to the original dimensions without issues.
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\hskip\tc@llx
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\dp#1\tc@lly
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\wd#1\tc@urx
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\ht#1\tc@ury
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%
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\box#1%
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}%
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\tc@correctdims{#1}%
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}
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\def\@marginraisebox#1#2#3#4#5{%
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\setbox#1=\hbox{%
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%
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\tc@llx=#2\relax
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\tc@lly=#3\relax
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\tc@urx=#4\relax
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\advance\tc@urx\wd#1%
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\tc@ury=#5\relax
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\advance\tc@ury\ht#1%
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%
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% Set dimensions now.
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% This allows that the arguments can refer
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% to the original dimensions without issues.
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\hskip\tc@llx
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\wd#1\tc@urx
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\ht#1\tc@ury
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% Copy original tty values (ury is taken as temp dimension)
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\tc@ury=\tc@lly
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\advance\tc@lly\dp#1%
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\dp#1\tc@lly
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% Raise bu original tty value (now in ury)
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\raise\tc@ury\box#1%
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}%
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\tc@correctdims{#1}%
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}
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\def\@viewportbox#1#2#3#4#5{%
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\setbox#1=\hbox{%
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%
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% Assign values
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\tc@llx=#2\relax
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\tc@lly=#3\relax
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\tc@urx=#4\relax
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\tc@ury=#5\relax
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%
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% Set dimensions now.
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% This allows that the arguments can refer
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% to the original dimensions without issues.
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\hskip-\tc@llx
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\dp#1-\tc@lly
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\wd#1\tc@urx
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\ht#1\tc@ury
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%
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\tc@correctbaseline{#1}%
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}%
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\tc@correctdims{#1}%
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}
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\def\@clipbox#1#2#3#4#5{%
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\@trimbox{#1}{#2}{#3}{#4}{#5}%
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\@cliptoboxdim{#1}%
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}
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\def\@clipvpbox#1#2#3#4#5{%
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\@viewportbox{#1}{#2}{#3}{#4}{#5}%
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\@cliptoboxdim{#1}%
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}
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\InputIfFileExists{\tc@driver}{%
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{\let\on@line\@gobble
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\PackageInfo{trimclip}{Using driver '\tc@driver'.}}%
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}{%
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\input{tc-pgf.def}%
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{\let\on@line\@gobble
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\PackageInfo{trimclip}{No clipping driver '\tc@driver' available.\MessageBreak Using fall-back PGF driver.}}%
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}
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\endinput
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%%
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%% End of file `trimclip.sty'.
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