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