The background color may be specified by
=background_color(color)
. The color argument may be any of
the color specification described in the section with the
=setcolor
command. In case you wish to control the
color of corner of the background, you may use the
=background_vertex_colors(cll, cll, cur, cul)
command where ci denotes the color of vertex vi. Again, the four
color argument may be any of the color specification described in the
section with the =setcolor
command.
A background image is loaded using either =background_image(file)
(assumes that the image match the geometry of the presentation),
=background_image_stretch(file)
(stretches the image to fill
the background) or =background_image_tile(file)
(tiles the
image to fill the background).
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