Hi,

Thanks for the info

Thanks
Tonny Kohar

On Sat, 2005-05-07 at 07:28 -0400, Thomas DeWeese wrote:
> Tonny Kohar wrote:
> 
> > A little bit offtopic, I got questions regarding double buffering set.
> > - is the double buffer different with offscreen buffer ?
> 
>     Double buffering means there are two offscreen buffers.  One is
> dedicated for repainting the screen.  The other is used for rendering,
> this avoids the possibility of the user seeing the document while it
> is being rendered (which might look really ugly).  When the rendering
> is completed the two buffers "swap" position.
> 
> > - Does turn off double buffering have any effect on the SVG / GVT
> > especially related to dynamic document ?
> 
>     It doesn't have any direct effect on the SVG/GVT tree's.  But the
> renderer obviously behaves a bit differently.
> 
> > - Does double buffering have any effect on other stuff other than memory
> > eg: speed, etc ?
> 
>     Double buffering is a bit slower as the newly rendered bits need to
> be propagated to the 'old' image.
> 
> > - Does double buffering have the same pixel size and content with
> > offscreen buffer ?
> 
>     More or less yes the off-off screen buffer isn't updated until it
> needs to be.
> 
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