Re: GDK window_clear & draw_pixmap

[Havoc Pennington <hp redhat com>]

Adam Kopacz <Adam K klografx de> writes:
> i'm the main developer of QIV (a GDK/ImLib based image
> viewer -> klografx.net/qiv) and have a small question:
>
> currently QIV is showing images using:
>
> - gdk_window_clear(..)
> - gdk_draw_pixmap(..)
> - gdk_flush()
>
> this works fine but the image flickering on move or zoom.. 
> is there a better way to clean the window and redraw the image 
> without the ugly flicker effect ???????

Use a backing pixmap as in the "scribble" example in the
tutorial. Neither the _clear() nor the _flush() should be needed.

Havoc