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
