Function grey

pub fn grey(width: i32, height: i32) -> Result<VipsImage>

VipsGrey (grey), make a grey ramp image width: i32 -> Image width in pixels min: 1, max: 10000000, default: 1 height: i32 -> Image height in pixels min: 1, max: 10000000, default: 1 returns VipsImage - Output image