def __call__(self, pt):
"""
"""
pt = _matrix([[pt.x], [pt.y], [1]])
pt = _dot(self.matrix, pt)
x, y, w = pt[0, 0], pt[1, 0], pt[2, 0]
return Point(x / w, y / w)
def __call__(self, pt):
"""
"""
pt = _matrix([[pt.x], [pt.y], [1]])
pt = _dot(self.matrix, pt)
x, y, w = pt[0,0], pt[1,0], pt[2,0]
return Point(x/w, y/w)
def __init__(self, a, b, c, d, e, f, g=0, h=0, i=1):
self.a = a
self.b = b
self.c = c
self.d = d
self.e = e
self.f = f
self.g = g
self.h = h
self.i = i
self.matrix = _matrix([[a, b, c], [d, e, f], [g, h, i]], dtype=float)
def __init__(self, a, b, c, d, e, f, g=0, h=0, i=1):
self.a = a
self.b = b
self.c = c
self.d = d
self.e = e
self.f = f
self.g = g
self.h = h
self.i = i
self.matrix = _matrix([[a, b, c], [d, e, f], [g, h, i]], dtype=float)
def Matrix(data, typecode=None, copy=1, savespace=0):
return _matrix(data, typecode, copy=copy)
def Matrix(data, typecode=None, copy=1, savespace=0):
return _matrix(data, typecode, copy=copy)
def hill_cipher(self, matrix, key):
a = _matrix(matrix)
k = _matrix(key)
a_k = a * k
a_k = a_k.tolist()
return a_k[0]
def encrypt(self, plain_text):
a = _matrix(plain_text)
k = _matrix(self.key)
a_k = a*k
a_k = a_k.tolist()
return a_k[0]
def decrypt(self, cipher_text):
a = _matrix(cipher_text)
k = _matrix(self.ikey)
a_k = a*k
a_k = a_k.tolist()
return a_k[0]
