Creating tiled background patterns

scratch-design-1

We’ve covered before how to use the wallpaper package to create a background for your documents using, amongst others, tiled images in a previous post. But at times I really want to create patterns from existing LaTeX font ornaments or TikZ drawings, rather than using an extra image file.

The tcolorbox package has a fill tile picture option that can be used with arbitrary TikZ code:

tcolorbox-fill-tile-picture

But from experience, repeatedly running TikZ code can result in long compilation times, especially if you were planning to use design a tile pattern as the background to all pages. Saving a TikZ tile drawing as a LaTeX box, and then repeating that, would compile much faster.

So, OK, let’s give this a try and design some tiles! *crackles knuckles*

Designing a Tile

I’m no designer, so I thought I would just fumble along and try to mock up something first, before cropping/clipping things down to the required tile element. The adforn package provides some subtle ornaments, so I’ll use those as a start to play around on a grid to help me lay things out:

\usepackage{adforn}
 
\begin{document}
\definecolor{blossompink}{HTML}{FFD7D7}
\definecolor{fruitgold}{HTML}{FFEEBE}
\definecolor{stictchbrown}{HTML}{E7D192}
 
\begin{tikzpicture}[x=1cm,y=1cm,domain=0:3]
\draw[step=1cm,black!10,very thin] (0cm,0cm) grid (3cm,3cm);
\foreach \x in {0,1} {
  \foreach \y in {0,1} {
     \node[font=\Huge,text=blossompink] at (2*\x, 2*\y) {\adforn{5}};
     \node[font=\Huge,text=fruitgold] at (2*\x+1, 2*\y+1) {\adforn{35}};
   }
}
\begin{scope}[dashed,stictchbrown]
  \draw plot (\x,\x-1);
  \draw plot (\x,\x+1);
  \draw plot (\x,-\x+1);
  \draw plot (\x,-\x+3);
\end{scope}
\end{tikzpicture}

scratch-design-1 That looks pretty good to me! And I only need a 4-by-4 unit of this sketch (the dark gray square) to make me a tile, which I can get with a \clip (0,0) rectangle (2,2); at the start of the TikZ code.

This can then go into a \savebox for later use:

\newsavebox{\tileone}
\sbox{\tileone}{%
  \begin{tikzpicture}[x=1cm,y=1cm]
  \clip (0,0) rectangle (2,2);
  \foreach \x in {0,1} {
    \foreach \y in {0,1} {
       \node[font=\Huge,text=blossompink] 
         at (2*\x, 2*\y) {\adforn{5}};
       \node[font=\Huge,text=fruitgold] 
         at (2*\x+1, 2*\y+1) {\adforn{35}};
     }
  }
  \begin{scope}[dashed,stictchbrown]
    \draw plot (\x,\x-1);
    \draw plot (\x,\x+1);
    \draw plot (\x,-\x+1);
    \draw plot (\x,-\x+3);
  \end{scope}
  \end{tikzpicture}%
}

If you \usebox{tileone}, you’ll see this:
tile-1

And we can now use this with tcolorbox‘s fill tile picture option:

\begin{tikzpicture}
\path[draw,fill tile picture={%
  \node[inner sep=0pt,outer sep=0pt,fill=blue!40!black]
       {\scalebox{0.5}{\usebox{\tileone}}};
}] 
(2.75,-0.75) -- (3,0) -- (2.75,0.75)
\foreach \w in {45,90,...,315}
{ -- (\w:1.5cm) } -- cycle;
\end{tikzpicture}

This can also be easily made into a whole-page background. I usually (ab)use the page header to get it in:

\usepackage{fancyhdr}
\usepackage{tikzpagenodes}
\fancyhf{}
\renewcommand{\headrule}{}
\fancyhead[L]{%
\begin{tikzpicture}[overlay,remember picture]
  \path[fill tile picture={%
    \node[inner sep=0pt,outer sep=0pt] {\usebox{\tileone}};
  }] (current page.south east) rectangle (current page.north west);
  \fill[opacity=0.4,white] ([shift={(-1em,1em)}]
        current page text area.north west) rectangle
           ([shift={(1em,-1em)}]current page text area.south east);
\end{tikzpicture}
}
\begin{document}
\thispagestyle{fancy}

pagebg-tileone-fs8pagebg-tilethree-fs8

The extra thumbnails shows designs that uses pgfornament-han and pgfornament just for fun; might be a bit over the top there though. Enjoy designing your new backgrounds, but do take care not to be over-flamboyant to the point of being too distractive, and repeating things too many times on too many pages will still take a long time to compile, despite already using \usebox!

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