Re: master 02681b0fbf0 1/2: Don't claim that xftfont is being considered for deletion

[Po Lu]

Po Lu <luangruo@yahoo.com> writes:

> I did, just now, as the Xft build is the only means of rendering
> anti-aliased glyphs without Cairo and the issues incident to that (see
> below).  I do so as the only person who has been maintaining this code
> for three consecutive years, I might add.
>
>> I guess you mean to *not* delete libXft support? If the issues
>> surrounding support of color fonts have been fixed [1], then I have no
>> objections, but I donʼt remember this being discussed.
>
> Xft begun to support non-grayscale rasters in release 2.3.5.  BTW, it is
> trivial to reproduce the fundamental performance issue with image
> transforms under Cairo by loading the gnu.org homepage in EWW and
> scrolling across the scaled images that are displayed with
> `pixel-scroll-precision-mode' enabled.  Cairo builds must download,
> transform, and upload transformed images to the X server, whereas the
> standard X11 configuration applies transforms to server-side Pictures
> directly.

Or just this:

  <img 
src="https://static.gnu.org/nosvn/videos/escape-to-freedom/thumbnails/festival.jpeg"/>

Insert this in a file, load the same into EWW in a window smaller than
the image, and observe the degradation in rendering performance.  Then
disable Cairo and attempt the same.