[gs-bugs] [Bug 690631] fz_mul255 is off-by-one for negative input

bugs.ghostscript.com-bugzilla-daemon at ghostscript.com bugs.ghostscript.com-bugzilla-daemon at ghostscript.com
Thu Jul 16 14:51:02 PDT 2009


http://bugs.ghostscript.com/show_bug.cgi?id=690631





------- Additional Comments From lev.bishop at gmail.com  2009-07-16 14:51 -------
Created an attachment (id=5215)
 --> (http://bugs.ghostscript.com/attachment.cgi?id=5215&action=view)
demonstration of the problem

This file demonstrates the problem -- there are 256 black angled lines so the
background gets decremented by 1 for each line and there ends up being an
unwanted gradient.



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