package main

import (
    "code.google.com/p/go-tour/pic"
)

func Pic(dx, dy int) [][]uint8 {
    cols := make([][]uint8, dy)
    for i := range cols {
        cols[i] = make([]uint8, dx)
        for j := range cols[i] {
            cols[i][j] = uint8(j^i)
        }
    }
    return cols
}

func main() {
    pic.Show(Pic)
}