\documentclass{report}

\usepackage[Minimal=On,Kashida=leaders+hrule,linebreakpenalty=8,kashidastretch=0.14 em plus 0.5 em,color=red]{texnegar}  % Succeeds

\usepackage{xepersian}
% \settextfont[Scale=4.5,Colour=darkgray]{XB Kayhan}
\settextfont{HM XKayhan}
\setlatintextfont[Scale=1.5,Colour=0000FF]{HM XKayhan}

\deflatinfont\HMXKayhanEn[Scale=1.2]{HM XKayhan}
\defpersianfont\HMXKayhanRm[Scale=4.5]{HM XKayhan}
\defpersianfont\HMXKayhanIt[Scale=4.5]{HM XKayhan Italic}
\defpersianfont\HMXKayhanOb[Scale=4.5]{HM XKayhanOb Oblique}
\defpersianfont\HMXKayhanOl[Scale=4.5]{HM XKayhan Outline}
\defpersianfont\HMXKayhanSd[Scale=4.5]{HM XKayhan Shadow}
\defpersianfont\HMXKayhanPo[Scale=4.5]{HM XKayhan Pook}
\defpersianfont\HMXKayhanSa[Scale=4.5]{HM XKayhan Sayeh}
\defpersianfont\HMXKayhanNa[Scale=4.5]{HM XKayhan Navaar}

\def\SampleText#1#2{\discouragebadlinebreaks[#1][#2]{
  راهی جایی تابی چاپی چاههی تلاشهایی
  شتابهایی تابی چاپی راهی تلاشهــایی
  که کتابهایی که کلاههایی که کتابهایی }}

\def\SampleTitle#1#2#3{{{\HMXKayhanEn\LTR Engine: {\color{blue}\texttt{#1}}, \\
     Style: {\color{blue}\texttt{#2}}, \\ Kashida: {\color{blue}\texttt{#3}}}}\hbox{}\vskip 5mm}

\pretolerance = 10000
% \exhyphenpenalty=10000
% \hyphenpenalty=10000
% \penalty -10000
% \tolerance=10000
% \tolerance  = -10000
% \looseness = 10000

\setlength\parindent{0pt}
% \pagestyle{empty}
\setcounter{page}{106}
\let\tmppage=\thepage
\gdef\thepage{\scriptsize\lr\tmppage}

\begin{document}

\begin{latin}
\begin{center}
{\Huge\textsf{\TeXNegar} \\
 \vspace{20pt} Example of Use \\
 \vspace{20pt}\texttt{Engine: XeTeX {\normalsize using texnegar and xepersian}} \\
 \vspace{20pt}\texttt{Kashida=leaders+hrule}} \\
 \vspace{20pt}\makebox{\textsf{File:} \texttt{TEXMFDIST/doc/latex/texnegar/texnegar-xetex-xepersian-leaders-hrule.tex}} \\
 \vspace{20pt}

{\Large
\begin{tabular}{ll}
  \textsf{Font:} & \textsf{HM XKayhan} \\
  \textsf{Font Scale:} & \texttt{4.5} \\
  \textsf{linebreakpenalty:} & \texttt8 \\
  \textsf{kashidastretch:} & \texttt{0.14em plus 5.5em} \\
  \textsf{color:} &  \texttt{red}
\end{tabular}
}
\end{center}

\end{latin}

\newpage \KashidaOff \SampleTitle{XeTeX using texnegar and xepersian}{Regular}{Off}                \par {\HMXKayhanRm \SampleText{8}{0.14 em plus 0.5 em}}

\newpage \KashidaOn  \SampleTitle{XeTeX using texnegar and xepersian}{Regular}{leaders+hrule (On)} \par {\HMXKayhanRm \SampleText{8}{0.14 em plus 0.5 em}}

\newpage \KashidaOn  \SampleTitle{XeTeX using texnegar and xepersian}{Italic}{leaders+hrule  (On)} \par {\HMXKayhanIt \SampleText{8}{0.14 em plus 0.5 em}}

\newpage \KashidaOn  \SampleTitle{XeTeX using texnegar and xepersian}{Oblique}{leaders+hrule (On)} \par {\HMXKayhanOb \SampleText{8}{0.14 em plus 0.5 em}}

\newpage \KashidaOn  \SampleTitle{XeTeX using texnegar and xepersian}{Outline}{leaders+hrule (On)} \par {\HMXKayhanOl \SampleText{8}{0.14 em plus 0.5 em}}

\newpage \KashidaOn  \SampleTitle{XeTeX using texnegar and xepersian}{Shadow}{leaders+hrule  (On)} \par {\HMXKayhanSd \SampleText{8}{0.14 em plus 0.5 em}}

\newpage \KashidaOn  \SampleTitle{XeTeX using texnegar and xepersian}{Pook}{leaders+hrule    (On)} \par {\HMXKayhanPo \SampleText{8}{0.14 em plus 0.5 em}}

\newpage \KashidaOn  \SampleTitle{XeTeX using texnegar and xepersian}{Sayeh}{leaders+hrule   (On)} \par {\HMXKayhanSa \SampleText{8}{0.14 em plus 0.5 em}}

\newpage \KashidaOn  \SampleTitle{XeTeX using texnegar and xepersian}{Navaar}{leaders+hrule  (On)} \par {\HMXKayhanNa \SampleText{8}{0.14 em plus 0.5 em}}

\end{document}

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