Hi Greg, Yeah, I thought of that too... So I was trying to store it as only a grayscale image and use the "L" format. I wonder if maybe that didn't work? I'll play around with that and ensure I did what I think I did. But that's a good reminder.
Thanks! Russell On Tuesday, January 24, 2017 at 11:51:37 PM UTC-5, Gregory Ewing wrote: > Dennis Lee Bieber wrote: > > But practically everything these days uses true/high color, in which > > each pixel encodes the exact color to be displayed. This means that > > changing all matching pixels from one given color to another given color > > requires rewriting those pixels color data. > > Yes, and a 4k x 4k RGBA image is about 64MB of data. > I'm not surprised it takes a noticeable amount of > time to change all of that. > > -- > Greg -- https://mail.python.org/mailman/listinfo/python-list
