Graphics.Chalkboard.PPM

Reading and writing portable pix maps. For now, we only support color images (P1, P3 and P6 formats).

Documentation

readPPM :: String -> IO (Array (Int, Int) RGB)

readPPM reads a PPM file, and outputs a Board, and the x and y dimensions of the image.

readPBM :: String -> IO (Array (Int, Int) Bool)

readBPM reads a PPM file, and outputs a Board, and the x and y dimensions of the image.

writePPM :: String -> Array (Int, Int) RGB -> IO ()

writePPM writes a PPM file, based on a color Board, where bottom left corner of the image is as (0,0).