cover.sty

\ProvidesPackage{cover}
\RequirePackage{xcolor}
\RequirePackage{changepage}
\RequirePackage{eso-pic}
\RequirePackage{geometry}
\RequirePackage{graphicx}

\definecolor{PortadaBlue}{HTML}{31489F}

\def\director{Falta \textbackslash{Director\{Nombre de tu director\}}}

\newcommand\Director[1]{
  \def\director{#1}
}

\def\lugar{Madrid}

\newcommand\Lugar[1]{
  \def\lugar{#1}
}

\def\grado{Graduado en Ingeniería Informática}

\newcommand\Grado[1]{
  \def\grado{#1}
}

\def\trabajo{TRABAJO FIN DE GRADO}

\newcommand\Trabajo[1]{
  \def\trabajo{#1}
}

\renewcommand*{\maketitle}{\begin{titlepage}
    \AddToShipoutPicture*{
      \put(-36,0){
        \parbox[b][\paperheight]{\paperwidth}{
          \vfill
          \centering
          \includegraphics[width=1.1\paperwidth,height=1\paperheight]{cover/background.png}
          \vfill
        }
      }
    }

    \newgeometry{inner=1.5cm,outer=1.5cm,top=1.5cm,bottom=1.5cm}

    \begin{figure}
      \begin{minipage}{.5\linewidth}
        \begin{flushleft}
          \includegraphics[scale=1]{cover/upm.png}
        \end{flushleft}
      \end{minipage}
      \begin{minipage}{.5\linewidth}
        \begin{flushright}
          \includegraphics[scale=0.185]{cover/etsiinf.png}
        \end{flushright}
      \end{minipage}
    \end{figure}

    \vspace*{1cm}

    \begin{center}
      {\color{PortadaBlue}
        {\LARGE\bf \grado}\\[1.5cm]
        {\LARGE Universidad Politécnica de Madrid}\\[0.2cm]
        {\LARGE Escuela Técnica Superior de\\Ingenieros Informáticos}\\[1.5cm]
        {\LARGE\bf \trabajo}\\[1.5cm]

        {\LARGE\bfseries{\@title}}

      }
    \end{center}


    \AddToShipoutPictureFG*{
      \put(\LenToUnit{0.50\paperwidth},\LenToUnit{0.28\paperheight}){
        \vtop{{\null}\makebox[0pt][c]{
            \color{PortadaBlue}
            \begin{tabular}{rl}
              \LARGE Autor: & \LARGE \@author \\[0.5cm]
              \LARGE Director: & \LARGE \director
            \end{tabular}
        }}
      }
    }

    \AddToShipoutPictureFG*{
      \put(\LenToUnit{0.70\paperwidth},\LenToUnit{0.12\paperheight}){
        \vtop{{\null}\makebox[0pt][c]{
            \color{PortadaBlue}
            \LARGE\MakeUppercase{\lugar, \@date}
        }}
      }
    }

    \restoregeometry

    \ClearShipoutPicture
  \end{titlepage}

  \newpage
}