banglatex.sty

% Copyright 2013 by M.A.H. Newton mahnewton@gmail.com
% This file may be distributed and/or modified freely.
% The author has no liability under any circumstances.
% Use sample.tex for usage/installation details

\NeedsTeXFormat{LaTeX2e}

\ProvidesPackage{banglatex}[2013/08/02 M.A.H. Newton's XeLatex Style File for Bengali]

\RequirePackage{ltxcmds}
\newcommand{\IfPackageLoaded}[2]{\ltx@ifpackageloaded{#1}{#2}{}}

\RequirePackage{xunicode}
\RequirePackage{xltxtra}
\RequirePackage{fontspec}
\RequirePackage{polyglossia}
\RequirePackage{fancyhdr}
\RequirePackage{amsmath}
\RequirePackage{xcolor}

\definecolor{bnred}{cmyk}{0,1,1,0}
\definecolor{bnblue}{cmyk}{1,1,0,0}
\definecolor{bngreen}{cmyk}{1,0,1,0.25}
\definecolor{bncyan}{cmyk}{1,0,0,0}
\definecolor{bnmagenta}{cmyk}{0,1,0,0}
\definecolor{bnyellow}{cmyk}{0,0,1,0}
\definecolor{bnblack}{cmyk}{0,0,0,1}
\definecolor{bnwhite}{cmyk}{0,0,0,0}
\definecolor{bngrey}{cmyk}{0,0,0,0.5}

\newfontface\bengalifont[Script=Bengali]{SolaimanLipi}		% 	Default font
\setromanfont{NikoshLight}									%	roman font
\setsansfont{SolaimanLipi}									%	sans font
\setmonofont[Scale=0.85]{Siyam Rupali}						%	mono font

\setmainlanguage[numerals=Bengali]{bengali}
\selectlanguage{bengali}
\selectbackgroundlanguage{bengali}


% Font files to be used for different semantic elements.
% You can change the fonts as you wish
\newfontface\bnrm[Script=Bengali,Scale=1.12]{NikoshLight} 	% Bengali substitution for roman
\newfontface\bnbr[Script=Bengali,Scale=1.12]{Nikosh} 		% Bengali substitution for bold roman
\newfontface\bnsf[Script=Bengali]{SolaimanLipi}				% Bengali substitution for sanface
\newfontface\bnbs[Script=Bengali]{SolaimanLipi Bold}		% Bengali substitution for bold-sanface
\newfontface\bnit[Script=Bengali,Scale=1.0]{Ekushey Durga} 	% Bengali substitution for italic
\newfontface\bnbi[Script=Bengali,Scale=1.11]{Ekushey Puja}	% Bengali substitution for bold-italic
\newfontface\bnbf[Script=Bengali, Scale=0.81]{Likhan}		% Bengali substitution for fashion
\newfontface\bnem[Script=Bengali,Scale=0.91]{Ekushey Punarbhaba}% Bengali substitution for emphasis
\newfontface\bntt[Script=Bengali,Scale=0.85]{Siyam Rupali}	% Bengali substitution for teletype
\newfontface\ensr[Script=Bengali,Scale=1.0]{Kalpurush} 		% Bengali substitution for english-serif
\newfontface\ensn[Script=Bengali,Scale=1.0]{Lalsalu} 		% Bengali substitution for english-sans

\newcommand{\brm}[1]{{\bnrm {#1}}}				% command for bangla roman text
\newcommand{\bbr}[1]{{\bnbr {#1}}}				% command for bangla bold roman text
\newcommand{\bsf}[1]{{\bnsf {#1}}}				% command for bangla sansface text
\newcommand{\bbs}[1]{{\bnbs {#1}}}				% command for bangla bold sansface text
\newcommand{\bit}[1]{{\bnit {#1}}}				% command for bangla italic text
\newcommand{\bbi}[1]{{\bnbi {#1}}}				% command for bangla bold italic text
\newcommand{\bbf}[1]{{\bnbf {#1}}}				% command for bangla boldface text
\newcommand{\bem}[1]{{\bnem {#1}}}				% command for bangla emphasis text
\newcommand{\btt}[1]{{\bntt {#1}}}				% command for bangla teletype text
\newcommand{\esr}[1]{{\ensr {#1}}}				% command for bangla with english-roman
\newcommand{\esn}[1]{{\ensn {#1}}}				% command for bangla with enslish-serif

\newcommand\mathen[1]{\mathnormal{{#1}}}		% English letters in math mode
\newcommand\mathbn[1]{\mathit{{#1}}}			% Bangla letters in math mode

\newcommand\men[1]{\mathen{{#1}}}				% Short form of \mathen
\newcommand\mbn[1]{\mathbn{{#1}}}				% Short form of \mathbn

\newenvironment{bnroman}{{\bnrm}{}}				% environment for bangla roman

\newenvironment{bnboldroman}{\bnbr{}{}}				% environment for bangla bold roman

\newenvironment{bnsansface}{\bnsf{}{}}				% environment for bangla sansface

\newenvironment{bnboldsansface}{\bnbs{}{}}			% environment for bangla bold sansface

\newenvironment{bnitalic}{\bnit{}{}}				% environment for bangla italic

\newenvironment{bnbolditalic}{\bnbi{}{}}			% environment for bangla bold italic

\newenvironment{bnboldface}{\bnbf{}{}}				% environment for bangla boldface

\newenvironment{bnemphasis}{\bnem{}{}}				% environment for bangla emphasis

\newenvironment{bnteletype}{\bntt{}{}}				% environment for bangla teletype

\newenvironment{enserif}{\ensr{}{}}				% environment for bangla with eng-roman

\newenvironment{ensans}{\ensn{}{}}				% environment for bangla with eng-sans


%Change this captions as you need
\def\captionsbengali{%
  \def\refname{তথ্যসূত্রাবলী}%
  \def\abstractname{সারাংশ}%
  \def\bibname{গ্রন্থসূত্রাবলী}%
  \def\prefacename{পূর্বকথা}%
  \def\chaptername{অধ্যায়}%
  \def\sectionname{অনুচ্ছেদ}%
  \def\subsectionname{উপচ্ছেদ}%
  \def\subsubsectionname{উপউপচ্ছেদ}%
  \def\paragraphname{পরিচ্ছেদ}
  \def\subparagraphname{উপপরিচ্ছেদ}%
  \def\appendixname{পরিশিষ্ট}%
  \def\contentsname{সূচীপত্র}%
  \def\listfigurename{নকশা তালিকা}%
  \def\listtablename{সারণী তালিকা}%
  \def\listalgorithmname{সংকেত তালিকা}%
  \def\lstlistlistingname{ফিরিস্তি তালিকা}%
  \def\indexname{সূচক}%
  \def\figurename{নকশা}%
  \def\tablename{সারনী}%
  \def\algorithmname{সংকেত}%
  \def\procedurename{প্রণালী}%
  \def\functionname{বিপাতক}%
  \def\lstlistingname{ফিরিস্তি}
  \def\partname{খন্ড}%
  \def\pagename{পৃষ্ঠা}%
  \def\seename{দেখুন}%
  \def\alsoname{আরও দেখুন}%
  \def\enclname{সংযুক্তি}%
  \def\ccname{অনুলিপি}%
  \def\headtoname{প্রতি}%
  \def\proofname{প্রমাণ}%
  \def\glossaryname{পরিভাষা}%
  \def\solutionname{সমাধান}
  \def\theoremname{উপপাদ্য}
  \def\lemmaname{প্রতিপাদ্য}
  \def\corollaryname{অনুসিদ্ধান্ত}
  \def\problemname{সমস্যা}
  \def\constructionname{সম্পাদ্য}
  \def\propositionname{প্রতিজ্ঞা}
  \def\definitionname{সংজ্ঞা}
  \def\axiomname{স্বতঃসিদ্ধ}
  \def\postulatename{স্বীকার্য}
  \def\observationname{পর্যবেক্ষণ}
  \def\explanationname{ব্যাখ্যা}
  \def\remarkname{মন্তব্য}
  \def\equationname{সমীকরণ}
  \def\examplename{উদাহরণ}
  \def\exercisename{অনুশীলনী}
}

% Fix the part number
\ifdefined\thepart
	\renewcommand\thepart{\bengalinumber{\arabic{part}}}
\fi

% Fix the footnote, paragraph, subparagraph numbering styles
\renewcommand\thefootnote{\bengalinumber{\arabic{footnote}}}
\renewcommand\theparagraph{\bengalinumber{\arabic{paragraph}}}
\renewcommand\thesubparagraph{\bengalinumber{\arabic{subparagraph}}}

% Fix the chapter, section, subsection, subsubsection numbering styles
\ifx\thechapter\undefined
		\renewcommand\thesection{\bengalinumber{\arabic{section}}}
		\renewcommand\thesubsection{\bengalinumber{\arabic{section}}.\bengalinumber{\arabic{subsection}}}
		\renewcommand\thesubsubsection{\bengalinumber{\arabic{section}}.\bengalinumber{\arabic{subsection}}.\bengalinumber{\arabic{subsubsecton}}}
		\renewcommand{\thefigure}{\bengalinumber{\arabic{figure}}} 
		\renewcommand{\thetable}{\bengalinumber{\arabic{table}}}
		\renewcommand{\theequation}{\bengalinumber{\arabic{equation}}}
		\AtBeginDocument{
			\IfPackageLoaded{listings}
			{
				\renewcommand{\thelstnumber}{\bengalinumber{\arabic{lstnumber}}}
				\renewcommand{\thelstlisting}{\bengalinumber{\arabic{lstlisting}}}
			}{}
			\IfPackageLoaded{algorithm}
			{
				\floatname{algorithm}{\algorithmname}
				\renewcommand{\thealgorithm}{\bengalinumber{\arabic{algorithm}}}
			}{}
			\IfPackageLoaded{algorithm2e}
				{
					\SetAlgorithmName{\algorithmname}{\algorithmname}{\listalgorithmname}
					\SetAlgoProcName{\procedurename}{\procedurename}
					\SetAlgoFuncName{\functionname}{\functionname}
					\renewcommand{\thealgocf}{\bengalinumber{\arabic{algocf}}}
					\renewcommand{\theAlgoLine}{\bengalinumber{\arabic{AlgoLine}}}
				}{}
		}
\else
		\renewcommand\thechapter{\bengalinumber{\arabic{chapter}}}
		\renewcommand\thesection{\bengalinumber{\arabic{chapter}}.\bengalinumber{\arabic{section}}}
		\renewcommand\thesubsection{\bengalinumber{\arabic{chapter}}.\bengalinumber{\arabic{section}}.\bengalinumber{\arabic{subsection}}}
		\renewcommand\thesubsubsection{\bengalinumber{\arabic{chapter}}.\bengalinumber{\arabic{section}}.\bengalinumber{\arabic{subsection}}.\bengalinumber{\arabic{subsubsection}}}
		\renewcommand{\thefigure}{\bengalinumber{\arabic{chapter}}.\bengalinumber{\arabic{figure}}} 
		\renewcommand{\thetable}{\bengalinumber{\arabic{chapter}}.\bengalinumber{\arabic{table}}}
		\renewcommand{\theequation}{\bengalinumber{\arabic{chapter}}.\bengalinumber{\arabic{equation}}}
		\AtBeginDocument{
			\IfPackageLoaded{listings}
				{
					\renewcommand{\thelstnumber}{\bengalinumber{\arabic{lstnumber}}}
					\renewcommand{\thelstlisting}{\bengalinumber{\arabic{chapter}}.\bengalinumber{\arabic{lstlisting}}}
				}{}
			\IfPackageLoaded{algorithm}
				{
					\floatname{algorithm}{\algorithmname}
					\renewcommand{\thealgorithm}{\bengalinumber{\arabic{chapter}}.\bengalinumber{\arabic{algorithm}}}
				}{}
			\IfPackageLoaded{algorithm2e}
				{
					\SetAlgorithmName{\algorithmname}{\algorithmname}{\listalgorithmname}
					\SetAlgoProcName{\procedurename}{\procedurename}
					\SetAlgoFuncName{\functionname}{\functionname}
					\renewcommand{\thealgocf}{\bengalinumber{\arabic{chapter}}.\bengalinumber{\arabic{algocf}}}
					\renewcommand{\theAlgoLine}{\bengalinumber{\arabic{AlgoLine}}}
				}{}
		}
\fi

% Fix the enumeration numbering style
\renewcommand\theenumi{\bengalinumber{\@arabic\c@enumi}}
\renewcommand\theenumii{\bengaliconso{\@arabic\c@enumii}}
\renewcommand\theenumiii{\bengalivowel{\@arabic\c@enumiii}}
\renewcommand\theenumiv{\bengalinumber{\@arabic\c@enumiv}}

% Fix the enumeration labelling style
\renewcommand{\labelenumi}{\theenumi. }
\renewcommand{\labelenumii}{\theenumii) }
\renewcommand{\labelenumiii}{(\theenumiii) }
\renewcommand{\labelenumiv}{\theenumiv। }

% Fix nobreakspace 
\def\nobreakspace{\nobreak\space\nobreak}


% Mathmetical theorems and environments  
\ifx\thechapter\undefined
	\newtheorem{theorem}{{\bnbs\theoremname}}

	\newtheorem{lemma}[theorem]{{\bnbs\lemmaname}}

	\newtheorem{corollary}[theorem]{{\bnbs\corollaryname}}

	\newtheorem{problem}[theorem]{{\bnbs\problemname}}

	\newtheorem{construction}[theorem]{{\bnbs\constructionname}}

	\newtheorem{proposition}[theorem]{{\bnbs\propositionname}}

	\newtheorem{axiom}[theorem]{{\bnbs\axiomname}}

	\newtheorem{postulate}[theorem]{{\bnbs\postulatename}}

	\newtheorem{observation}[theorem]{{\bnbs\observationname}}

	\newtheorem{remark}[theorem]{{\bnbs\remarkname}}

	\newtheorem{definition}{{\bnbs\definitionname}}

	\newtheorem{explanation}[definition]{{\bnbs\explanationname}}

	\newtheorem{example}[definition]{{\bnbs\examplename}}

	\newtheorem{exercise}{{\bnbs\exercisename}}

	\renewcommand{\thetheorem}{{\bnbs\bengalinumber{\arabic{theorem}}:}}

	\renewcommand{\thelemma}{{\bnbs\bengalinumber{\arabic{lemma}}:}}

	\renewcommand{\thecorollary}{{\bnbs\bengalinumber{\arabic{corollary}}:}}

	\renewcommand{\theproblem}{{\bnbs\bengalinumber{\arabic{problem}}:}}

	\renewcommand{\theconstruction}{{\bnbs\bengalinumber{\arabic{construction}}:}}

	\renewcommand{\theproposition}{{\bnbs\bengalinumber{\arabic{proposition}}:}}

	\renewcommand{\theaxiom}{{\bnbs\bengalinumber{\arabic{axiom}}:}}

	\renewcommand{\thepostulate}{{\bnbs\bengalinumber{\arabic{postulate}}:}}

	\renewcommand{\theobservation}{{\bnbs\bengalinumber{\arabic{observation}}:}}

	\renewcommand{\theremark}{{\bnbs\bengalinumber{\arabic{remark}}:}}

	\renewcommand{\thedefinition}{{\bnbs\bengalinumber{\arabic{definition}}:}}

	\renewcommand{\theexplanation}{{\bnbs\bengalinumber{\arabic{explanation}}:}}

	\renewcommand{\theexample}{{\bnbs\bengalinumber{\arabic{example}}:}}

	\renewcommand{\theexercise}{{\bnbs\bengalinumber{\arabic{exercise}}:}}
\else
	\newtheorem{theorem}{{\bnbs\theoremname}}[chapter]

	\newtheorem{lemma}[theorem]{{\bnbs\lemmaname}}

	\newtheorem{corollary}[theorem]{{\bnbs\corollaryname}}

	\newtheorem{problem}[theorem]{{\bnbs\problemname}}

	\newtheorem{construction}[theorem]{{\bnbs\constructionname}}

	\newtheorem{proposition}[theorem]{{\bnbs\propositionname}}

	\newtheorem{axiom}[theorem]{{\bnbs\axiomname}}

	\newtheorem{postulate}[theorem]{{\bnbs\postulatename}}

	\newtheorem{observation}[theorem]{{\bnbs\observationname}}

	\newtheorem{remark}[theorem]{{\bnbs\remarkname}}

	\newtheorem{definition}{{\bnbs\definitionname}}[chapter]

	\newtheorem{explanation}[definition]{{\bnbs\explanationname}}

	\newtheorem{example}[definition]{{\bnbs\examplename}}

	\newtheorem{exercise}{{\bnbs\exercisename}}[chapter]

	\renewcommand{\thetheorem}{{\bnbs\bengalinumber{\arabic{chapter}}.\bengalinumber{\arabic{theorem}}:}}
	\renewcommand{\thelemma}{{\bnbs\bengalinumber{\arabic{chapter}}.\bengalinumber{\arabic{lemma}}:}}
	\renewcommand{\thecorollary}{{\bnbs\bengalinumber{\arabic{chapter}}.\bengalinumber{\arabic{corollary}}:}}
	\renewcommand{\theproblem}{{\bnbs\bengalinumber{\arabic{chapter}}.\bengalinumber{\arabic{problem}}:}}
	\renewcommand{\theconstruction}{{\bnbs\bengalinumber{\arabic{chapter}}.\bengalinumber{\arabic{construction}}:}}
	\renewcommand{\theproposition}{{\bnbs\bengalinumber{\arabic{chapter}}.\bengalinumber{\arabic{proposition}}:}}
	\renewcommand{\theaxiom}{{\bnbs\bengalinumber{\arabic{chapter}}.\bengalinumber{\arabic{axiom}}:}}
	\renewcommand{\thepostulate}{{\bnbs\bengalinumber{\arabic{chapter}}.\bengalinumber{\arabic{postulate}}:}}
	\renewcommand{\theobservation}{{\bnbs\bengalinumber{\arabic{chapter}}.\bengalinumber{\arabic{observation}}:}}
	\renewcommand{\theremark}{{\bnbs\bengalinumber{\arabic{chapter}}.\bengalinumber{\arabic{remark}}:}}
	\renewcommand{\thedefinition}{{\bnbs\bengalinumber{\arabic{chapter}}.\bengalinumber{\arabic{definition}}:}}
	\renewcommand{\theexplanation}{{\bnbs\bengalinumber{\arabic{chapter}}.\bengalinumber{\arabic{explanation}}:}}
	\renewcommand{\theexample}{{\bnbs\bengalinumber{\arabic{chapter}}.\bengalinumber{\arabic{example}}:}}
	\renewcommand{\theexercise}{{\bnbs\bengalinumber{\arabic{chapter}}.\bengalinumber{\arabic{exercise}}:}}
\fi

\newenvironment{proof}{\par\noindent{\bnbs\proofname:}}{‌\par}

\newenvironment{solution}{\par\noindent{\bnbs\solutionname:}}{\par}


% Fix page numbering in the table of contents, list of figures and list of tables
\AtBeginDocument{
	\let\Contentsline\contentsline
	\renewcommand\contentsline[3]{\Contentsline{#1}{#2}{\bengalinumber{#3}}}
}

% reset bengali page number to zero
\newcommand{\resetbengalipage}{
	\pagenumbering{arabic}	
}

% Set bengali page numbering to fancy number
\newcommand{\bengalipagefancynumber}{
	\fancypagestyle{plain}{%
		\fancyhf{}
		\fancyfoot[C]{\bengalinumber{\thepage}}
		\renewcommand{\headrulewidth}{0pt}
		\renewcommand{\footrulewidth}{0pt}}
	\pagestyle{fancy}
	\fancyfoot[C]{\bengalinumber{\thepage}}
	\renewcommand{\headrulewidth}{0pt}
	\addtolength{\headheight}{3pt}
}

% Set bengali page numbering to fancy alpha
\newcommand{\bengalipagefancyalpha}{
	\fancypagestyle{plain}{%
		\fancyhf{}
		\fancyfoot[C]{\bengaliconso{\thepage}}
		\renewcommand{\headrulewidth}{0pt}
		\renewcommand{\footrulewidth}{0pt}}
	\pagestyle{fancy}
	\fancyfoot[C]{\bengaliconso{\thepage}}
	\renewcommand{\headrulewidth}{0pt}
	\addtolength{\headheight}{3pt}
}

% Set bengali page numbering to plain number
\newcommand{\bengalipageplainnumber}{
	\fancypagestyle{plain}{%
		\fancyhf{}
		\fancyfoot[C]{\bengalinumber{\thepage}}
		\renewcommand{\headrulewidth}{0pt}
		\renewcommand{\footrulewidth}{0pt}}
	\pagestyle{plain}
}

% Set bengali page numbering to plain alpha
\newcommand{\bengalipageplainalpha}{
	\fancypagestyle{plain}{%
		\fancyhf{}
		\fancyfoot[C]{\bengaliconso{\thepage}}
		\renewcommand{\headrulewidth}{0pt}
		\renewcommand{\footrulewidth}{0pt}}
	\pagestyle{plain}
}


% Set bengali page numbering to empty
\newcommand{\bengalipageempty}{
	\pagestyle{empty}
}

% Set default bengali page style plain number
\bengalipageplainnumber

\endinput