def test_copy(self): t1 = AffineTransform() t1.scale(2, 3) t1.rotate(3) t2 = copy.copy(t1) self.assertEqual(t1.m, t2.m) self.assertEqual(t1, t2)
def test_scale(self): t = AffineTransform() t.scale(4.0, 3.0) r = t.transformRect(0, 0, 1, 1) re = (0, 0, 4, 3) for i in range(0, len(r)): self.assertAlmostEqual(r[i], re[i])
def test_invert(self): t = AffineTransform() t.rotate(-math.pi / 2.0) t.scale(4.0, 3.0) t.translate(100, 100) p = t.transformPoint(0, 0) t.invert() p = t.transformPoint(p[0], p[1]) for i in range(0, len(p)): self.assertAlmostEqual(p[i], 0)
def test_multiply(self): t1 = AffineTransform() t1.rotate(math.pi / 2.0) t2 = AffineTransform() t2.translate(2, 4) t3 = AffineTransform() t3.scale(3, 5) p = (20, 20) p1 = (p[0], p[1]) p1 = t1.transformPoint(p1[0], p1[1]) p1 = t2.transformPoint(p1[0], p1[1]) p1 = t3.transformPoint(p1[0], p1[1]) t4 = AffineTransform() t4.multiply(t1) t4.multiply(t2) t4.multiply(t3) p2 = t4.transformPoint(p[0], p[1]) for i in range(0, len(p1)): self.assertAlmostEqual(p1[i], p2[i])
def test_equality(self): t1 = AffineTransform() t1.scale(2, 3) t1.rotate(3) t2 = AffineTransform() t2.scale(2, 3) t2.rotate(3) self.assertTrue(t1 == t2) t3 = AffineTransform() t3.scale(4, 5) self.assertFalse(t2 == t3) self.assertFalse(t3 == None)