On Tue, 2009-12-29 at 01:49 +0100, Louise Hoffman wrote: > Dear developers, > > I am now more or less finished with my plugin which draws spectrograms > from audio signals. > > It takes about 30 seconds to draw 750 × 1200 pixels on my 3Ghz. > > Is that slow or fast? It is damned slow. But this is not surprising as you are setting a single pixel at a time. Didn't you tell us that you read the plug-in tutorial at developer.gimp.org? Perhaps you want to read it again. In particular the parts where it explains how to access and change pixel data efficiently. Sven _______________________________________________ Gimp-developer mailing list Gimp-developer@xxxxxxxxxxxxxxxxxxxxxx https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-developer