Re: drawables and refresh rates



On Wed, Dec 01, 2004 at 11:14:58 -0600, Rob Benton wrote:
> I have a Gdk::Drawable where I'm drawing 2 arcs.  A blue circle and a 
> red arc drawn on top of the blue circle.  I've got 2 Gtk::HScale widgets 
> using a DISCONTINUOUS_UPDATE that modify the angle and width of the red 
> arc.  On update the the blue circle is redrawn and then the red is 
> redrawn on top of it using the values from the scale widgets.  This 
> causes some flickering on the drawing area.  Is there a better way to do 
> this?

Computer graphics 101. Double buffering.

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						 Jan 'Bulb' Hudec <bulb ucw cz>

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