convolution method
void
convolution({})
Implementation
void convolution(
{required List<num> filter,
num div = 1.0,
num offset = 0,
num amount = 1,
Command? mask,
Channel maskChannel = Channel.luminance}) {
subCommand = ConvolutionCmd(subCommand,
filter: filter,
div: div,
offset: offset,
amount: amount,
mask: mask,
maskChannel: maskChannel);
}