main.tex

\documentclass{report}

\usepackage[testWidthHeight, preview, showExamples, withNoIndent]{testeitilogo}

\begin{document}
    % Header with custom university and faculty
    \def\logoEnglish{
        \universityAndFaculty[
            university=Warsaw University of Technology,
            faculty=Faculty of Electronics and~Information~Technology
        ]
    }
    \preview{\logoEnglish}
    \preview{
        \parbox{14cm}{
            \withNoIndent{\testWidthHeight{\logoEnglish}{50.0}{500.0}}
        }
    }
    % Header with custom faculty
    \def\logoElektryczny{\universityAndFaculty[faculty=Wydział Elektryczny]}
    \preview{\logoElektryczny}
    \preview{
        \parbox{14cm}{
            \testWidthHeight{\logoElektryczny}{50.0}{401.0}
        }
    }
    % Header with default arguments
    \preview{\universityAndFaculty}
    % Header with custom logo
    \preview{\universityAndFaculty[logo=assets/wut-symbol.pdf]}
    \preview{
        \parbox{14cm}{
            \testWidthHeight{%
                \universityAndFaculty[logo=assets/wut-symbol.pdf]
            }{51.0}{404.0}
        }
    }
\end{document}