vignette method

void vignette({
  1. num start = 0.3,
  2. num end = 0.75,
  3. Color? color,
  4. num amount = 0.8,
  5. Command? mask,
  6. Channel maskChannel = Channel.luminance,
})

Implementation

void vignette(
    {num start = 0.3,
    num end = 0.75,
    Color? color,
    num amount = 0.8,
    Command? mask,
    Channel maskChannel = Channel.luminance}) {
  subCommand = VignetteCmd(subCommand,
      start: start,
      end: end,
      color: color,
      amount: amount,
      mask: mask,
      maskChannel: maskChannel);
}