rasterfairy.py 文件源码

def getRectArrangements(n):
    p = prime.Prime()
    f = p.getPrimeFactors(n)
    f_count = len(f)
    ma = multiplyArray(f)
    arrangements = set([(1,ma)])

    if (f_count > 1):
        perms = set(p.getPermutations(f))
        for perm in perms:
            for i in range(1,f_count):
                v1 = multiplyArray(perm[0:i])
                v2 = multiplyArray(perm[i:])
                arrangements.add((min(v1, v2),max(v1, v2)))

    return sorted(list(arrangements), cmp=proportion_sort, reverse=True)