set pixels with no coverage to all zero
authorTony Cook <tony@develop-help.com>
Tue, 23 Feb 2016 11:00:08 +0000 (22:00 +1100)
committerTony Cook <tony@develop-help.com>
Tue, 23 Feb 2016 11:00:08 +0000 (22:00 +1100)
commite329f022b2737e646bc73dc936a7277ddbd63b8c
treecb6725730c948fc87dfdef850bfd73798aad0d8c
parentbfb2c6357ec1c2afa26e73b90a7290f23ef72e5c
set pixels with no coverage to all zero

valgrind complained about use of uninitialized values
rotate.im