On May 9, 2010, at 4:03 AM, Xavier Ho wrote: > On Sun, May 9, 2010 at 11:47 AM, David <erwi...@gmx.net> wrote: > return (((a * x) - 5*a) * x + 8*a) * x - 4*a; > > Hello David, > I just factored out from your patch, as a comment to your post. > > ((x - 5) * x + 8) * a * x - 4*a; >
Yes, of course, thanks! Actually there seems to be another bug in that file, which becomes apparent when a is not 0: The support of the filter is set to 0.5 for every magnification, which degrades ANTIALIAS and BICUBIC resizing to something that looks close to BILINEAR. The attached patch attempts to fix both. till then, David.
bicubic.patch
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