AWI commit of Gary Bishop changes to allow setting the background color and allow variable image sizes for this driver.  These changes have had some minimal testing.  For example, they compile and produce the same results as previously if default background and image size are used.
AWI commit of Gary Bishop changes to allow setting the background color and
allow variable image sizes for this driver.  These changes have had some
minimal testing.  For example, they compile and produce the same results as
previously if default background and image size are used.

svn path=/trunk/; revision=3693

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