Logos

From ConTeXt wiki

< Graphics, Overlays

NOTE: This functionality is disabled in Mark IV, use layers instead.

In ConTeXt logos are picture or text elements that appear on every page (or on some defined pages) at fixed locations.

\useexternalfigure[squares][my_square_logo_file][width=120pt]

\defineoverlay    [square-bg][{\externalfigure[squares]}]

\definelogo       [Square][top][right]
    [command={\framed[background=square-bg, 
     align=middle, frame=off,
     width=120pt, height=40pt]
     {\rm\bfb\it\\ \ConTeXt}}, state=start]

You find more in the manual at page design.