convolve_fft
Arguments:
- [mask],_boundary_conditions
Description:
Convolve selected images with specified mask, in the fourier domain.
boundary_conditions can be
{ 0=dirichlet | 1=neumann | 2=periodic | 3=mirror }.
Example of use:
$ gmic
image.jpg 100%,100% gaussian[-1] 20,1,45 +convolve_fft[0] [1]

Command:
image.jpg 100%,100% gaussian[-1] 20,1,45 +convolve_fft[0] [1]

Command:
image.jpg 100%,100% gaussian[-1] 20,1,45 +convolve_fft[0] [1]

Command:
image.jpg 100%,100% gaussian[-1] 20,1,45 +convolve_fft[0] [1]