On Tue, Mar 11, 2003 at 10:15:51AM -0800, Daniel Rogers wrote: > Alpha is a measure of the amount of coverage of the pixel. (e.g. an > alpha of .5 means half the pixel is covered). In particular, 0 alpha > means that the pixel is not covered at all. This means that the pixel > contributes NO color information. I think this should hold for blur as > well. And from that point of view, no pixel with alpha zero should ever > contribute color information. How do you propose this being implemented, ie. what value would you plug into the IIR filter GIMP's blur is based on, for a pixel with alpha != 255? /* Steinar */ -- Homepage: http://www.sesse.net/