Convert cairo canvas read_bits() to pixman
Convert cairo canvas read_bits() to pixman

mathslinux/spice,freedesktop-unofficial-mirror/spice__spice,fgouget/spice,SPICE/spice,freedesktop-unofficial-mirror/spice__spice,ya-mouse/spice,mathslinux/spice,fgouget/spice,freedesktop-unofficial-mirror/spice__spice,mathslinux/spice,elmarco/spice,Fantu/spice,fgouget/spice,dezelin/spice,elmarco/spice,dezelin/spice,Fantu/spice,dezelin/spice,alon/spice-server,virtualAMP/spiceplay,mathslinux/spice,Fantu/spice,freedesktop-unofficial-mirror/spice__spice,mathslinux/spice,virtualAMP/spiceplay,virtualAMP/spiceplay,ya-mouse/spice,elmarco/spice,dezelin/spice,elmarco/spice,SPICE/spice,elmarco/spice,Fantu/spice,freedesktop-unofficial-mirror/spice__spice,alon/spice-server,alon/spice-server,alon/spice-server,virtualAMP/spiceplay,dezelin/spice,alon/spice-server,SPICE/spice,fgouget/spice,ya-mouse/spice