PhotoImage.paste
rryan.asu at gmail.com
rryan.asu at gmail.com
Wed Jan 25 15:37:07 EST 2017
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
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