def test_analyze_translate3(self):
ctm = CurrentTransformation()
ctm.analyze("translate(10 , -10)")
assert_equal(ctm.translateX, "10")
assert_equal(ctm.translateY, "-10")
assert_equal(ctm.matrix, [[1.0, 0.0, 10.0], [0.0, 1.0, -10.0]])
def test_analyze_scale3(self):
ctm = CurrentTransformation()
ctm.analyze("scale(10,-10)")
assert_equal(ctm.scaleX, "10")
assert_equal(ctm.scaleY, "-10")
assert_equal(ctm.matrix, [[10, 0.0, 0.0], [0.0, -10, 0.0]])
def test_analyze_matrix(self):
ctm = CurrentTransformation()
ctm.analyze("matrix(1 2 3 4 5 6)")
assert_equal(ctm.translateX, "5")
assert_equal(ctm.translateY, "6")
assert_equal(ctm.scaleX, math.sqrt(float(1)**2+float(3)**2))
assert_equal(ctm.scaleY, math.sqrt(float(2)**2+float(4)**2))
assert_equal(ctm.rotate, math.atan2(float(2),float(4)))
# @TODO assert_equal(ctm.rX, ??)
# @TODO assert_equal(ctm.rY, ??)
assert_equal(ctm.matrix, [[1.0,3.0,5.0],[2.0,4.0,6.0]])
def test_analyze_rotate(self):
ctm = CurrentTransformation()
ctm.analyze("rotate(10 20 -30)")
assert_equal(ctm.rotate, "10")
assert_equal(ctm.rX, "20")
assert_equal(ctm.rY, "-30")
assert_equal(ctm.matrix,
[
[
math.cos(10),
-math.sin(10),
-20 * math.cos(10) - 30 * math.sin(10) + 20
],
[
math.sin(10),
math.cos(10),
-20 * math.sin(10) + 30 * math.cos(10) - 30
]
])
def test_analyze_rotate2(self):
ctm = CurrentTransformation()
ctm.analyze("rotate(10)")
assert_equal(ctm.rotate, "10")
assert_equal(ctm.rX, "0")
assert_equal(ctm.rY, "0")
assert_equal(ctm.matrix,
[
[
math.cos(10),
-math.sin(10),
0
],
[
math.sin(10),
math.cos(10),
0
]
])
