[cairo] Using Cairo and Pango to scroll text on video

[Arjen Nienhuis]

I think the only way to fix this is by converting the layout to a path and
using fill().
On May 4, 2012 2:57 PM, <robertk54 at aol.com> wrote:

> I am using Cairo and Pango to render and scroll text (and images) on video
> streams.  The scrolling is achieved my moving the position of the objects
> from frame to frame.  For some reason the characters being rendered do not
> scroll smoothly.  Even though I render the string, not individual
> characters, the characters tend not to move the same.  The average rate is
> the same but the space between the characters varies quite a bit.  This
> becomes much more apparent with lower scroll rates.  Is there any way to
> compensate for this?
>
>  Thanks,
> Bob
>
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