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)
}