coverity#1244953 Uncaught exception

Change-Id: I3c4aeb3318af7cdb964128dd78f7d2cfba48000e
coverity#1244943 Resource leak

Change-Id: Ibee999fada60eed067d0d4e44a94294084529294
coverity#1244942 Dereference null return value

Change-Id: I50e453bf9e31f4afc60096ad3888062c365f54c6
coverity#1244940 Unchecked dynamic_cast

Change-Id: I9c7e0d0748e8783ee46bcae549316c931b4281d8
coverity#736943 try another experimental warning workaround

Change-Id: I4fc951e21915f7cbb03ee10fd2c9c4977a2f510a
coverity#1242757 Result is not floating-point

there was two of these, see

commit 164bd64255d71d96e35e908f6425acf8372795fb
Date:   Thu Oct 2 04:44:33 2014 -0500
    coverity#1242757 Result is not floating-point

Change-Id: I1f66191f329b2d87bdeb52aa1a7528ca662064a6
drop unused ImplBlendLines template

Change-Id: Id680f6031d40f086e74472d14fbf70cbf8cc43a1
coverity#1242439 ALPHABITS == nAlphaShift == 8

Change-Id: Ifde395113524df03a2523115ab2234403d405455
coverity738920 Uninitialized scalar field

Change-Id: Ic1571d24a8a696dc24b899d262b9e560d005ee88
coverity#708132 Uninitialized scalar field

Change-Id: I830210b44459cf94eabb983b99bfcc104f865492
coverity#707673 Uninitialized scalar field

Change-Id: Ic631ebc74e94f4ccf7e3915db3952714fd4d28d4
coverity#1240260 Operands don't affect result

see can we silence these false positives

coverity#1240259 Operands don't affect result
coverity#1240254 Operands don't affect result
coverity#1240264 Operands don't affect result
coverity#1240267 Operands don't affect result

Change-Id: Ieca40474c231e33a516b70f7693346ac73babd61
coverity#1242762 Unused value

Change-Id: I096f85627351c6de067c7fc686af8cbb47e58190
coverity#1242878 Unused value

Change-Id: I85bc3fffb2d350a13aeb30c75f0c2d0a7bc5e7a3
fix coverity#1242413 Logically dead code

Change-Id: Ic56eff808cd4254448f63127da9b5b1d54c733a0
coverity#1241199 Unchecked dynamic_cast

Change-Id: I8522084c4b6036d63b144af70bf25312f897ff7d
coverity#735906 Dereference after null check

Change-Id: If81f0e18d5236873628301173d07f22d52c4fb0a
coverity#704901 Dereference after null check

Change-Id: I6a44577d7520a8faebdf3a6e8de1c91a6e465bac
coverity#704776 Dereference after null check

Change-Id: Ifbad1fc30665ff6b9238b5fb4728fc302b0458fa
coverity#706275 Uncaught exception

Change-Id: I538cca9505411e8984ba821807c0072c0ce40e7b