Flip logic bug fix and general legibility fix for drawInRect:fromRect:operation:fraction:
Flip logic bug fix and general legibility fix for drawInRect:fromRect:operation:fraction:

crystax/android-vendor-cocotron,guestOS/guestOS,ruppmatt/cocotron,gemu2015/cocotron-sierra,Suninus/cocotron,cneira/cocotron,crystax/android-vendor-cocotron,plasq/cocotron,Suninus/cocotron,yuhangwang/cocotron,JackLian/cocotron,cyclaero/cocotron,cyclaero/cocotron,yuhangwang/cocotron,gemu2015/cocotron-sierra,plasq/cocotron,cjwl/cocotron,gemu2015/cocotron-sierra,crystax/android-vendor-cocotron,plasq/cocotron,guestOS/guestOS,JackLian/cocotron,gemu2015/cocotron-sierra,ruppmatt/cocotron,plasq/cocotron,cneira/cocotron,ruppmatt/cocotron,Suninus/cocotron,yuhangwang/cocotron,cyclaero/cocotron,guestOS/guestOS,Suninus/cocotron,ruppmatt/cocotron,cyclaero/cocotron,cjwl/cocotron,cjwl/cocotron,cneira/cocotron,yuhangwang/cocotron,JackLian/cocotron,crystax/android-vendor-cocotron,cjwl/cocotron,guestOS/guestOS,JackLian/cocotron,cneira/cocotron