resent the color of each pixel. This is also referred
to as 'bit depth' or 'pixel depth'.</dd>

</dl>

<hr>

<h2><a name="File_formats"></a>Image file formats</h2>

<p>
Ghostscript supports output to a variety of image file formats
and is widely used for rasterizing postscript and pdf files.
A collection of such formats ('output devices' in Ghostscript terminology)
are described in this section.
</p>

<p>
Here are some commonly useful driver options that apply to all raster drivers.
Options specific to part