- new helper functions to generate filter kernels - nicer glow effect, using helper function
- new helper functions to generate filter kernels
- nicer glow effect, using helper function


git-svn-id: c0c126d9320705ea7454f5a7d5c671a73927a9d5@791 38bfec48-a720-0410-a12a-c49042e68019

sheijk/Zomp,sheijk/Zomp,sheijk/Zomp,sheijk/Zomp,sheijk/Zomp