Re: GDK drawing problem

[Juhana Sadeharju <kouhia nic funet fi>]

> From: "cowboy cowboy" <yong_zhy hotmail com>
>
> Can anyone give a suggestion on how to remove the primitives
> already drawn on screen?

You should keep a list of visible primitives.
When one visible primitive goes off, clean the whole drawable.
Then go through the visible list and draw all of them again.
Use double buffered drawable for removing flicker.

Regards,
Juhana