[cairo] 4x4 matrices in Cairo

Uli Schlachter psychon at znc.in
Thu Nov 14 13:01:00 PST 2013

On 14.11.2013 21:35, David Kastrup wrote:
> Uli Schlachter <psychon at znc.in> writes:
>> On 13.11.2013 14:15, AD wrote:
>>> Hey guys,
>>> Is there a way to use 4x4 matrices in cairo?
>> No. Cairo has to be able to invert the transformation that it uses and
>> projective transformations aren't always invertible. AFAIK / AFAIR.
> Since when are affine transformations always invertible?

Uhm. Tuesday?

Good point and no idea what I was thinking. It did totally make sense to me when
I wrote that sentence!

I better be quiet now. Good night.

If you ask me to debug your code, I'm going to mail you spiders.

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