module Color where

type Pixel = (Int, Int, Int)
type Image = [[Pixel]]

invert :: Image -> Image
invert = undefined

crop :: (Int, Int, Int, Int) -> Image -> Image
crop = undefined

swapColors :: Image -> Image
swapColors = undefined


brightness :: Int -> Image -> Image
brightness = undefined

mask :: [[Bool]] -> Image -> Image
mask = undefined

toGreyscale :: Image -> [[Int]]
toGreyscale = undefined
