Re: drawing graphics

[Steven Jenkins <steven jenkins ieee org>]

Steven Jenkins wrote:
> Right. My attempts to do better with pixmaps have also had problems. I 
> based my application loosely on the double-buffered clock application in 
> Harlow's book. Instead of re-drawing the entire pixmap and calling 
> gtk_widget_draw to expose the entire drawing area, I've been trying to 
> change only part of the pixmap and expose only what's changed. I can 
> make the brute force version behave predictably but too slowly to be 
> useful. So far, I can't make the more optimized version work 
> predictably. It's probably my error, but I'd just as soon not have to 
> figure it out.

It was, and I did.

But I'm interested in learning about gdk_window_set_back_pixmap() anyway....

Steve