"S.Anil Yilmaz" <anilyil...@karatahta.com> hat am 31. Mai 2012 um 16:39 geschrieben: > Bgrabitmap for Lazarus has such filters as far as I know. You may use the > algoritms I suppose. Thanks. It has some nice blur algorithms. But as far as I can see: BGRA is RGBA 8bit, I need up to 16 bit gray scale. FilterBlur allocates a copy of an image. I have big images, so I would like to avoid that. FilterBlur seems to require runtime O(Width*Height*Radius^2). I need Radius 20, so this would be quite slow. Mattias
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