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%%
%% This is file `background.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% background.dtx (with options: `package')
%%
%% Copyright (C) 2009, 2012, 2014 Gonzalo Medina (gmedinaar@unal.edu.co)
%%
%% --------------------------------------------------------------------------
%%
%% 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 2003/12/01 or later.
%%
%% This work has the LPPL maintenance status "maintained".
%%
%% The Current Maintainer of this work is Gonzalo Medina.
%%
%% This work consists of the files background.ins, background.dtx,
%% and the derived files background.sty and background.pdf.
%%
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{background}[2014/03/04 v2.1 background material]
\@ifpackageloaded{xkeyval}{}{\RequirePackage{xkeyval}}
\@ifpackageloaded{tikz}{}{\RequirePackage{tikz}}
\@ifpackageloaded{everypage}{}{\RequirePackage{everypage}}
\@ifpackageloaded{afterpage}{}{\RequirePackage{afterpage}}
\DeclareOptionX[BG]<background>{contents}{%
\def\Background@Contents{#1}}
\DeclareOptionX[BG]<background>{color}{%
\def\Background@Color{#1}}
\DeclareOptionX[BG]<background>{angle}{%
\def\Background@Angle{#1}}
\DeclareOptionX[BG]<background>{opacity}{%
\def\Background@Opacity{#1}}
\DeclareOptionX[BG]<background>{scale}{%
\def\Background@Scale{#1}}
\DeclareOptionX[BG]<background>{position}{%
\def\Background@Position{#1}}
\DeclareOptionX[BG]<background>{anchor}{%
\def\Background@Anchor{#1}}
\DeclareOptionX[BG]<background>{nodeanchor}{%
\def\Background@NodeAnchor{#1}}
\DeclareOptionX[BG]<background>{hshift}{%
\def\Background@HShift{#1}}
\DeclareOptionX[BG]<background>{vshift}{%
\def\Background@VShift{#1}}
\newif\ifbg@some
\bg@somefalse
\define@choicekey+[BG]{background}{pages}[\val\nr]{all,some}{%
\ifcase\nr\relax
\bg@somefalse
\or
\bg@sometrue
\fi
}{%
\PackageWarning{background}{erroneous input ignored}%
}
\define@choicekey+[BG]{background}{placement}[\val\nr]{center,bottom,top}{%
\ifcase\nr\relax
\renewcommand\Background@Position{current page.center}%
\renewcommand\Background@Anchor{}%
\renewcommand\Background@Angle{60}
\or
\renewcommand\Background@Position{current page.south}%
\renewcommand\Background@Anchor{above}%
\renewcommand\Background@Angle{0}%
\or
\renewcommand\Background@Position{current page.north}%
\renewcommand\Background@Anchor{below}%
\renewcommand\Background@Angle{0}%
\fi
}{%
\PackageWarning{background}{erroneous input ignored}%
}
\define@boolkey+[BG]{background}{firstpage}{%
\ifBG@background@firstpage
\bg@sometrue%
\AtBeginDocument{\BgThispage}%
\else
\bg@somefalse%
\fi
}{%
\PackageWarning{background}{erroneous input ignored}%
}
\DeclareOptionX[BG]<background>{all}{\bg@somefalse}
\DeclareOptionX[BG]<background>{some}{\bg@sometrue}
\DeclareOptionX[BG]<background>{center}{%
\renewcommand\Background@Position{current page.center}%
\renewcommand\Background@Anchor{}%
\renewcommand\Background@Angle{60}}
\DeclareOptionX[BG]<background>{bottom}{%
\renewcommand\Background@Position{current page.south}%
\renewcommand\Background@Anchor{above}%
\renewcommand\Background@Angle{0}%
\renewcommand\Background@Scale{8}}
\DeclareOptionX[BG]<background>{top}{%
\renewcommand\Background@Position{current page.north}%
\renewcommand\Background@Anchor{below}%
\renewcommand\Background@Angle{0}%
\renewcommand\Background@Scale{8}}
\ExecuteOptions{all,center}
\DeclareOptionX*{\PackageWarningNoLine{background}{Option '\CurrentOption' ignored}}
\ExecuteOptionsX[BG]<background>{%
firstpage=false,
contents=Draft,%
color=red!45,%
angle=60,%
opacity=0.5,%
scale=10,%
position=current page.center,%
anchor={},%
nodeanchor={center},%
hshift=0pt,%
vshift=0pt%
}
\ProcessOptionsX[BG]<background>
\DeclareRobustCommand*\backgroundsetup[1]{%
\setkeys[BG]{background}{#1}
}
\newcommand\bg@material{%
\begin{tikzpicture}[remember picture,overlay,scale=\Background@Scale]
\node[
rotate=\Background@Angle,
scale=\Background@Scale,
opacity=\Background@Opacity,
anchor=\Background@NodeAnchor,
xshift=\Background@HShift,
yshift=\Background@VShift,
color=\Background@Color,
inner sep=0pt
]
at (\Background@Position) [\Background@Anchor]
{\Background@Contents};
\end{tikzpicture}}%
\newcommand\BgThispage{\AddThispageHook{\bg@material}}
\newcommand\NoBgThispage{%
\let\oldbg@material\bg@material\renewcommand\bg@material{}%
\afterpage{\AddEverypageHook{\oldbg@material}}}
\ifbg@some
\AddThispageHook{}
\else
\AddEverypageHook{\bg@material}
\fi
\newcommand\SetBgContents[1]{%
\def\Background@Contents{#1}}
\newcommand\SetBgAngle[1]{%
\def\Background@Angle{#1}}
\newcommand\SetBgColor[1]{%
\def\Background@Color{#1}}
\newcommand\SetBgScale[1]{%
\def\Background@Scale{#1}}
\newcommand\SetBgVshift[1]{%
\def\Background@VShift{#1}}
\newcommand\SetBgHshift[1]{%
\def\Background@HShift{#1}}
\newcommand\SetBgPosition[1]{%
\def\Background@Position{#1}}
\newcommand\SetBgAnchor[1]{%
\def\Background@Anchor{#1}}
\newcommand\SetBgOpacity[1]{%
\def\Background@Opacity{#1}}
\let\BgMaterial\bg@material
\AtEndDocument{\clearpage}
\endinput
%%
%% End of file `background.sty'.
|
