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? -- David Kastrup