def test_parse_points(self):
""" Sequences of points are parsed from svg paths. """
pp = PathParser(None)
self.assertEqual(pp.parse_points(''), ([], ''))
self.assertEqual(pp.parse_points('1 2 3.3 4.4 M'),
([(1, 2), (3.3, 4.4)], 'M'))
def test_parse_s(self):
""" shorthand bezier segments are parsed correctly """
pp = PathParser(None)
pp.prev_cmd = 's'
rest = pp.parse_s('6 12 18 24 -6 -12 -36 -42 rest', False)
self.assertEqual(rest, 'rest')
self.assertEqual(pp.start_point, (0.0, 0.0))
self.assertEqual(pp.cur_point, (-36.0, -42.0))
self.assertEqual(len(pp.shapes), 2)
self.assertEqual(pp.shapes[0].type, 'bezier')
self.assertEqual(pp.shapes[0].p1.x, 0)
self.assertEqual(pp.shapes[0].p1.y, 0)
self.assertEqual(pp.shapes[0].control1.x, 0)
self.assertEqual(pp.shapes[0].control1.y, 0)
self.assertEqual(pp.shapes[0].control2.x, 8)
self.assertEqual(pp.shapes[0].control2.y, -15)
self.assertEqual(pp.shapes[0].p2.x, 23)
self.assertEqual(pp.shapes[0].p2.y, -30)
self.assertEqual(pp.shapes[1].type, 'bezier')
self.assertEqual(pp.shapes[1].p1.x, 23)
self.assertEqual(pp.shapes[1].p1.y, -30)
self.assertEqual(pp.shapes[1].control1.x, 38)
self.assertEqual(pp.shapes[1].control1.y, -45)
self.assertEqual(pp.shapes[1].control2.x, -8)
self.assertEqual(pp.shapes[1].control2.y, 15)
self.assertEqual(pp.shapes[1].p2.x, -45)
self.assertEqual(pp.shapes[1].p2.y, 53)
pp = PathParser(None)
rest = pp.parse_s('6 12 18 24 -6 -12 -36 -42 rest', True)
self.assertEqual(rest, 'rest')
self.assertEqual(pp.start_point, (0.0, 0.0))
self.assertEqual(pp.cur_point, (-18.0, -18.0))
self.assertEqual(len(pp.shapes), 2)
self.assertEqual(pp.shapes[0].type, 'bezier')
self.assertEqual(pp.shapes[0].p1.x, 0)
self.assertEqual(pp.shapes[0].p1.y, 0)
self.assertEqual(pp.shapes[0].control1.x, 0)
self.assertEqual(pp.shapes[0].control1.y, 0)
self.assertEqual(pp.shapes[0].control2.x, 8)
self.assertEqual(pp.shapes[0].control2.y, -15)
self.assertEqual(pp.shapes[0].p2.x, 30)
self.assertEqual(pp.shapes[0].p2.y, -45)
self.assertEqual(pp.shapes[1].type, 'bezier')
self.assertEqual(pp.shapes[1].p1.x, 30)
self.assertEqual(pp.shapes[1].p1.y, -45)
self.assertEqual(pp.shapes[1].control1.x, 53)
self.assertEqual(pp.shapes[1].control1.y, -75)
self.assertEqual(pp.shapes[1].control2.x, 23)
self.assertEqual(pp.shapes[1].control2.y, -30)
self.assertEqual(pp.shapes[1].p2.x, -23)
self.assertEqual(pp.shapes[1].p2.y, 23)
def test_get_path_point(self):
""" get_path_point returns correct points """
pp = PathParser(None)
pp.cur_point = (1, 2)
self.assertEqual(pp.get_path_point((3, 4), False), (3, 4))
self.assertEqual(pp.get_path_point((3, 4), True), (4, 6))
def test_parse_t(self):
""" shorthand quadratic bezier segments are parsed correctly """
pp = PathParser(None)
rest = pp.parse_t('6 12 -6 -12 rest', False)
self.assertEqual(rest, 'rest')
self.assertEqual(pp.start_point, (0.0, 0.0))
self.assertEqual(pp.cur_point, (-6.0, -12.0))
self.assertEqual(len(pp.shapes), 2)
self.assertEqual(pp.shapes[0].type, 'bezier')
self.assertEqual(pp.shapes[0].p1.x, 0)
self.assertEqual(pp.shapes[0].p1.y, 0)
self.assertEqual(pp.shapes[0].control1.x, 0)
self.assertEqual(pp.shapes[0].control1.y, 0)
self.assertEqual(pp.shapes[0].control2.x, 3)
self.assertEqual(pp.shapes[0].control2.y, -5)
self.assertEqual(pp.shapes[0].p2.x, 8)
self.assertEqual(pp.shapes[0].p2.y, -15)
self.assertEqual(pp.shapes[1].type, 'bezier')
self.assertEqual(pp.shapes[1].p1.x, 8)
self.assertEqual(pp.shapes[1].p1.y, -15)
self.assertEqual(pp.shapes[1].control1.x, 13)
self.assertEqual(pp.shapes[1].control1.y, -25)
self.assertEqual(pp.shapes[1].control2.x, 8)
self.assertEqual(pp.shapes[1].control2.y, -15)
self.assertEqual(pp.shapes[1].p2.x, -8)
self.assertEqual(pp.shapes[1].p2.y, 15)
pp = PathParser(None)
rest = pp.parse_t('6 12 -6 -12 rest', True)
self.assertEqual(rest, 'rest')
self.assertEqual(pp.start_point, (0.0, 0.0))
self.assertEqual(pp.cur_point, (-0.0, -0.0))
self.assertEqual(len(pp.shapes), 2)
self.assertEqual(pp.shapes[0].type, 'bezier')
self.assertEqual(pp.shapes[0].p1.x, 0)
self.assertEqual(pp.shapes[0].p1.y, 0)
self.assertEqual(pp.shapes[0].control1.x, 0)
self.assertEqual(pp.shapes[0].control1.y, 0)
self.assertEqual(pp.shapes[0].control2.x, 3)
self.assertEqual(pp.shapes[0].control2.y, -5)
self.assertEqual(pp.shapes[0].p2.x, 8)
self.assertEqual(pp.shapes[0].p2.y, -15)
self.assertEqual(pp.shapes[1].type, 'bezier')
self.assertEqual(pp.shapes[1].p1.x, 8)
self.assertEqual(pp.shapes[1].p1.y, -15)
self.assertEqual(pp.shapes[1].control1.x, 13)
self.assertEqual(pp.shapes[1].control1.y, -25)
self.assertEqual(pp.shapes[1].control2.x, 10)
self.assertEqual(pp.shapes[1].control2.y, -20)
self.assertEqual(pp.shapes[1].p2.x, 0)
self.assertEqual(pp.shapes[1].p2.y, 0)
def test_parse_q(self):
""" quadratic bezier segments are parsed correctly """
pp = PathParser(None)
rest = pp.parse_q('6 12 18 24 -6 -12 -36 -42 rest', False)
self.assertEqual(rest, 'rest')
self.assertEqual(pp.start_point, (0.0, 0.0))
self.assertEqual(pp.cur_point, (-36.0, -42.0))
self.assertEqual(len(pp.shapes), 2)
self.assertEqual(pp.shapes[0].type, 'bezier')
self.assertEqual(pp.shapes[0].p1.x, 0)
self.assertEqual(pp.shapes[0].p1.y, 0)
self.assertEqual(pp.shapes[0].control1.x, 5)
self.assertEqual(pp.shapes[0].control1.y, -10)
self.assertEqual(pp.shapes[0].control2.x, 13)
self.assertEqual(pp.shapes[0].control2.y, -20)
self.assertEqual(pp.shapes[0].p2.x, 23)
self.assertEqual(pp.shapes[0].p2.y, -30)
self.assertEqual(pp.shapes[1].type, 'bezier')
self.assertEqual(pp.shapes[1].p1.x, 23)
self.assertEqual(pp.shapes[1].p1.y, -30)
self.assertEqual(pp.shapes[1].control1.x, 3)
self.assertEqual(pp.shapes[1].control1.y, 0)
self.assertEqual(pp.shapes[1].control2.x, -20)
self.assertEqual(pp.shapes[1].control2.y, 28)
self.assertEqual(pp.shapes[1].p2.x, -45)
self.assertEqual(pp.shapes[1].p2.y, 53)
pp = PathParser(None)
rest = pp.parse_q('6 12 18 24 -6 -12 -36 -42 rest', True)
self.assertEqual(rest, 'rest')
self.assertEqual(pp.start_point, (0.0, 0.0))
self.assertEqual(pp.cur_point, (-18.0, -18.0))
self.assertEqual(len(pp.shapes), 2)
self.assertEqual(pp.shapes[0].type, 'bezier')
self.assertEqual(pp.shapes[0].p1.x, 0)
self.assertEqual(pp.shapes[0].p1.y, 0)
self.assertEqual(pp.shapes[0].control1.x, 5)
self.assertEqual(pp.shapes[0].control1.y, -10)
self.assertEqual(pp.shapes[0].control2.x, 15)
self.assertEqual(pp.shapes[0].control2.y, -25)
self.assertEqual(pp.shapes[0].p2.x, 30)
self.assertEqual(pp.shapes[0].p2.y, -45)
self.assertEqual(pp.shapes[1].type, 'bezier')
self.assertEqual(pp.shapes[1].p1.x, 30)
self.assertEqual(pp.shapes[1].p1.y, -45)
self.assertEqual(pp.shapes[1].control1.x, 25)
self.assertEqual(pp.shapes[1].control1.y, -35)
self.assertEqual(pp.shapes[1].control2.x, 8)
self.assertEqual(pp.shapes[1].control2.y, -13)
self.assertEqual(pp.shapes[1].p2.x, -23)
self.assertEqual(pp.shapes[1].p2.y, 23)
def test_parse_v(self):
""" vertical lineto segments are parsed correctly """
pp = PathParser(None)
rest = pp.parse_v('72 144 288 rest', False)
self.assertEqual(rest, 'rest')
self.assertEqual(pp.start_point, (0.0, 0.0))
self.assertEqual(pp.cur_point, (0, 288))
self.assertEqual(len(pp.shapes), 3)
self.assertEqual(pp.shapes[0].type, 'line')
self.assertEqual(pp.shapes[0].p1.x, 0)
self.assertEqual(pp.shapes[0].p1.y, 0)
self.assertEqual(pp.shapes[0].p2.x, 0)
self.assertEqual(pp.shapes[0].p2.y, -90)
self.assertEqual(pp.shapes[1].type, 'line')
self.assertEqual(pp.shapes[1].p1.x, 0)
self.assertEqual(pp.shapes[1].p1.y, -90)
self.assertEqual(pp.shapes[1].p2.x, 0)
self.assertEqual(pp.shapes[1].p2.y, -180)
self.assertEqual(pp.shapes[2].type, 'line')
self.assertEqual(pp.shapes[2].p1.x, 0)
self.assertEqual(pp.shapes[2].p1.y, -180)
self.assertEqual(pp.shapes[2].p2.x, 0)
self.assertEqual(pp.shapes[2].p2.y, -360)
pp = PathParser(None)
rest = pp.parse_v('72 72 72 rest', True)
self.assertEqual(rest, 'rest')
self.assertEqual(pp.start_point, (0.0, 0.0))
self.assertEqual(pp.cur_point, (0.0, 216.0))
self.assertEqual(len(pp.shapes), 3)
self.assertEqual(pp.shapes[0].type, 'line')
self.assertEqual(pp.shapes[0].p1.x, 0)
self.assertEqual(pp.shapes[0].p1.y, 0)
self.assertEqual(pp.shapes[0].p2.x, 0)
self.assertEqual(pp.shapes[0].p2.y, -90)
self.assertEqual(pp.shapes[1].type, 'line')
self.assertEqual(pp.shapes[1].p1.x, 0)
self.assertEqual(pp.shapes[1].p1.y, -90)
self.assertEqual(pp.shapes[1].p2.x, 0)
self.assertEqual(pp.shapes[1].p2.y, -180)
self.assertEqual(pp.shapes[2].type, 'line')
self.assertEqual(pp.shapes[2].p1.x, 0)
self.assertEqual(pp.shapes[2].p1.y, -180)
self.assertEqual(pp.shapes[2].p2.x, 0)
self.assertEqual(pp.shapes[2].p2.y, -270)
def test_parse_l(self):
""" lineto segments are parsed correctly """
pp = PathParser(None)
rest = pp.parse_l('72 720 144 288 0 0 rest', False)
self.assertEqual(rest, 'rest')
self.assertEqual(pp.start_point, (0.0, 0.0))
self.assertEqual(pp.cur_point, (0, 0))
self.assertEqual(len(pp.shapes), 3)
self.assertEqual(pp.shapes[0].type, 'line')
self.assertEqual(pp.shapes[0].p1.x, 0)
self.assertEqual(pp.shapes[0].p1.y, 0)
self.assertEqual(pp.shapes[0].p2.x, 90)
self.assertEqual(pp.shapes[0].p2.y, -900)
self.assertEqual(pp.shapes[1].type, 'line')
self.assertEqual(pp.shapes[1].p1.x, 90)
self.assertEqual(pp.shapes[1].p1.y, -900)
self.assertEqual(pp.shapes[1].p2.x, 180)
self.assertEqual(pp.shapes[1].p2.y, -360)
self.assertEqual(pp.shapes[2].type, 'line')
self.assertEqual(pp.shapes[2].p1.x, 180)
self.assertEqual(pp.shapes[2].p1.y, -360)
self.assertEqual(pp.shapes[2].p2.x, 0)
self.assertEqual(pp.shapes[2].p2.y, 0)
pp = PathParser(None)
rest = pp.parse_l('72 720 144 288 0 0 rest', True)
self.assertEqual(rest, 'rest')
self.assertEqual(pp.start_point, (0.0, 0.0))
self.assertEqual(pp.cur_point, (216.0, 1008.0))
self.assertEqual(len(pp.shapes), 3)
self.assertEqual(pp.shapes[0].type, 'line')
self.assertEqual(pp.shapes[0].p1.x, 0)
self.assertEqual(pp.shapes[0].p1.y, 0)
self.assertEqual(pp.shapes[0].p2.x, 90)
self.assertEqual(pp.shapes[0].p2.y, -900)
self.assertEqual(pp.shapes[1].type, 'line')
self.assertEqual(pp.shapes[1].p1.x, 90)
self.assertEqual(pp.shapes[1].p1.y, -900)
self.assertEqual(pp.shapes[1].p2.x, 270)
self.assertEqual(pp.shapes[1].p2.y, -1260)
self.assertEqual(pp.shapes[2].type, 'line')
self.assertEqual(pp.shapes[2].p1.x, 270)
self.assertEqual(pp.shapes[2].p1.y, -1260)
self.assertEqual(pp.shapes[2].p2.x, 270)
self.assertEqual(pp.shapes[2].p2.y, -1260)
def test_parse_z(self):
""" closepath segments are parsed correctly """
pp = PathParser(None)
pp.cur_point = (72, 144)
pp.start_point = (-72, -144)
rest = pp.parse_z('rest', False)
self.assertEqual(rest, 'rest')
self.assertEqual(pp.start_point, (-72, -144))
self.assertEqual(pp.cur_point, (-72, -144))
self.assertEqual(len(pp.shapes), 1)
self.assertEqual(pp.shapes[0].type, 'line')
self.assertEqual(pp.shapes[0].p1.x, 90)
self.assertEqual(pp.shapes[0].p1.y, -180)
self.assertEqual(pp.shapes[0].p2.x, -90)
self.assertEqual(pp.shapes[0].p2.y, 180)
def test_parse_nums(self):
""" Numbers are parsed from svg paths. """
pp = PathParser(None)
self.assertEqual(pp.parse_nums(''), ([], ''))
self.assertEqual(pp.parse_nums('1'), ([1.0], ''))
self.assertEqual(pp.parse_nums('1.2 3.4'),
([1.2, 3.4], ''))
self.assertEqual(pp.parse_nums('1.2,3.4 5.6'),
([1.2, 3.4, 5.6], ''))
self.assertEqual(pp.parse_nums('1.2,3.4 5.6L12'),
([1.2, 3.4, 5.6], 'L12'))
self.assertEqual(pp.parse_nums('1.2,3.4 5.6 L12'),
([1.2, 3.4, 5.6], 'L12'))