\documentclass[a4paper,10pt]{article}
% comment unused packages below
\usepackage{color}
%\pdfoutput=0 % uncomment this to run PDFTeX in TeX mode
\usepackage{ifpdf}
\ifx\pdftexversion\undefined %if using TeX
  \usepackage{graphicx}
\else %if using PDFTeX
  \usepackage[pdftex]{graphicx}
\fi
\ifpdf %if using PDFTeX in PDF mode
  \DeclareGraphicsExtensions{.pdf,.png,.mps}
  \usepackage{pgf}
  \usepackage{tikz}
\else %if using TeX or PDFTeX in TeX mode
  \usepackage{graphicx}
  \DeclareGraphicsExtensions{.eps,.bmp}
  \DeclareGraphicsRule{.emf}{bmp}{}{}% declare EMF filename extension
  \DeclareGraphicsRule{.png}{bmp}{}{}% declare PNG filename extension
  \usepackage{pgf}
  \usepackage{tikz}
  \usepackage{pstricks}%variant: \usepackage{pst-all}
\fi
\usepackage{epic,bez123}
\usepackage{floatflt}% package for floatingfigure environment
\usepackage{wrapfig}% package for wrapfigure environment

\begin{document}

\subsection{Including TpX drawing into \TeX document}

A template for \LaTeX document with TpX drawing

% Begin TpX picture --------------------------------------------|
\input{Samples/Template.TpX}
%  End TpX picture  --------------------------------------------|

\end{document}