transform: Treat 0 perspective transforms as identity
authorBenjamin Otte <otte@redhat.com>
Sun, 2 Jun 2019 13:06:50 +0000 (15:06 +0200)
committerBenjamin Otte <otte@redhat.com>
Sun, 2 Jun 2019 13:12:37 +0000 (15:12 +0200)
commit69629ebb1a3d33376aaa3bfcf6fcd385ffa6377b
treed1e25fa16c1cbbbb01a007240535a6896c7ad085
parent22e078580278c5403c80f9ed6b25de2d891cde5c
transform: Treat 0 perspective transforms as identity

This happens if you apply a perspective transform and its inverse, which
is the negative version of the perspective.
gsk/gsktransform.c