ignificant bits may be trimmed without loss of precision.

<p><b>Exceptional Situations:</b> <p>Signals an <a
href="http://www.lispworks.com/documentation/HyperSpec/Body/e_error.htm#error"><b>error</b></a>
if writing the image fails.
</p>

<hr>

<h2><a name="Index">SYMBOL INDEX:</a></h2>

<ul>
  <li><a href="#8-bit-image"><b>8-bit-image</b></a> (type)
  <li><a href="#f_8-bit-image"><b>8-bit-image</b></a> (function)
  <li><a href="#16-bit-image"><b>16-bit-image</b></a> (type)
  <li><a href="#f_16-bit-image">