def test_path_transform02(self):
# See also: svg.svg
# Mm Aa Hh Zz
d = 'M-27-5a7,7,0,1,0,0,10h54a7,7,0,1,0,0-10z'
path_data = PathParser.parse(d)
matrix = DOMMatrix()
matrix.rotate_self(rot_z=90)
transformed = PathParser.transform(path_data, matrix)
exp = PathParser.tostring(transformed)
expected = 'M5,-27 A7,7 0 1 0 -5,-27 L-5,27 A7,7 0 1 0 5,27 Z'
self.assertEqual(expected, exp)
def test_path_transform03(self):
# See also: svg.svg
# Mm Aa Hh Zz
d = 'M-27-5a7,7,0,1,0,0,10h54a7,7,0,1,0,0-10z'
path_data = PathParser.parse(d)
matrix = DOMMatrix()
matrix.rotate_self(rot_z=135)
transformed = PathParser.transform(path_data, matrix)
exp = PathParser.tostring(transformed)
expected = "M22.627,-15.556 A7,7 0 1 0 15.556,-22.627 L-22.627,15.556" \
" A7,7 0 1 0 -15.556,22.627 Z"
self.assertEqual(expected, exp)
def test_transform_set_rotate(self):
r = -30
cx = 24
cy = 16
m = DOMMatrix()
m.translate_self(cx, cy)
m.rotate_self(rot_z=r)
m.translate_self(-cx, -cy)
t = SVGTransform(SVGTransform.SVG_TRANSFORM_ROTATE, r, cx, cy)
self.assertEqual(SVGTransform.SVG_TRANSFORM_ROTATE, t.type)
self.assertEqual('rotate(-30, 24, 16)', t.tostring())
self.assertTrue(m == t.matrix)
self.assertEqual(r, t.angle)
cx = 12.3456
cy = -0
m = DOMMatrix()
m.translate_self(cx, cy)
m.rotate_self(rot_z=r)
m.translate_self(-cx, -cy)
t = SVGTransform()
t.set_rotate(r, cx, cy)
self.assertEqual(SVGTransform.SVG_TRANSFORM_ROTATE, t.type)
self.assertEqual('rotate(-30, 12.346, 0)', t.tostring())
self.assertTrue(m == t.matrix)
self.assertEqual(r, t.angle)
cx = -0
cy = -0
m = DOMMatrix()
m.rotate_self(rot_z=r)
t = SVGTransform()
t.set_rotate(r, cx, cy)
self.assertEqual(SVGTransform.SVG_TRANSFORM_ROTATE, t.type)
self.assertEqual('rotate(-30)', t.tostring())
self.assertTrue(m == t.matrix)
self.assertEqual(r, t.angle)