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%% ***********************************************************
%% Copyright 2024 by Mingyu Hsia <xiamyphys@hdu.edu.cn> *
%% *
%% This work may be distributed and/or modified under *
%% the conditions of the LaTeX Project Public License *
%% *
%% http://www.latex-project.org/lppl.txt *
%% *
%% either version 1.3c of this license or any later *
%% version. *
%% *
%% This work has the LPPL maintenance status `maintained'. *
%% *
%% The Current Maintainer of this work is Mingyu Hsia. *
%% *
%% This work consists of the files fadingimage.sty, *
%% and README.md. *
%% available at https://github.com/xiamyphys/fadingimage *
%% ***********************************************************
% !Mode:: "TeX:UTF-8"
\NeedsTeXFormat{LaTeX2e}[2020/10/01]
\ProvidesPackage{fadingimage}[2024/05/06/ v0.3a Package provides macros for inputting full width picture at the edges of pages quickly.]
\RequirePackage{tikz}\usetikzlibrary{fadings}
\NewDocumentCommand{\UPFadingImage}{ s O{} m t! }{
\IfBooleanTF{#4}{
\tikz[remember picture,overlay]
\node[below,inner sep=0pt,outer sep=auto] at (current page.north) {\includegraphics[width=\paperwidth,#2]{#3}};
}{
\tikz[remember picture,overlay]
\node[scope fading=south,below,inner sep=0pt,outer sep=auto] at (current page.north) {\includegraphics[width=\paperwidth,#2]{#3}};
}\IfBooleanT{#1}{\leavevmode}
}
\NewDocumentCommand{\LOWFadingImage}{ s O{} m t! }{
\IfBooleanTF{#4}{
\tikz[remember picture,overlay]
\node[above,inner sep=0pt,outer sep=auto] at (current page.south) {\includegraphics[width=\paperwidth,#2]{#3}};
}{
\tikz[remember picture,overlay]
\node[scope fading=north,above,inner sep=0pt,outer sep=auto] at (current page.south) {\includegraphics[width=\paperwidth,#2]{#3}};
}\IfBooleanT{#1}{\leavevmode}
}
\NewDocumentCommand{\LTFadingImage}{ s O{} m t! }{
\IfBooleanTF{#4}{
\tikz[remember picture,overlay]
\node[right,inner sep=0pt,outer sep=auto] at (current page.west) {\includegraphics[height=\paperheight,#2]{#3}};
}{
\tikz[remember picture,overlay]
\node[scope fading=east,right,inner sep=0pt,outer sep=auto] at (current page.west) {\includegraphics[height=\paperheight,#2]{#3}};
}\IfBooleanT{#1}{\leavevmode}
}
\NewDocumentCommand{\RITFadingImage}{ s O{} m t! }{
\IfBooleanTF{#4}{
\tikz[remember picture,overlay]
\node[left,inner sep=0pt,outer sep=auto] at (current page.east) {\includegraphics[height=\paperheight,#2]{#3}};
}{
\tikz[remember picture,overlay]
\node[scope fading=west,left,inner sep=0pt,outer sep=auto] at (current page.east) {\includegraphics[height=\paperheight,#2]{#3}};
}\IfBooleanT{#1}{\leavevmode}
}
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