[cairo] How do I use an XRender Picture as a Cairo surface?

Bill Spitzak spitzak at gmail.com
Tue Aug 18 17:52:19 PDT 2015

On Tue, Aug 18, 2015 at 2:24 PM, adlo <adloconwy at gmail.com> wrote:

> > On 18 Aug 2015, at 19:13, Uli Schlachter <psychon at znc.in> wrote:
> >
> > Why do you want to use a picture instead of directly using the drawable?
> I am writing a GTK2 program that gets previews/screenshots of all open
> windows. My program scales the previews and puts them in GtkImages.
> CAIRO_FILTER_FAST gives rather low-quality results, but CAIRO_FILTER_GOOD
> is rather slow.
> I wanted to try scaling the previews using XRender in order to find out if
> it is any better or faster compared to Cairo scaling.

Unfortunatly XRender is going to give the the exact same results as
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.cairographics.org/archives/cairo/attachments/20150818/c3c66cf9/attachment.html>

More information about the cairo mailing list