altered so lines aren't (much) over 79 characters
Note: this is mostly unrelated to changes requested by @playipull/54/head
parent
6394415108
commit
eafe3682b9
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@ -48,12 +48,12 @@ class LineTest(unittest.TestCase):
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# This is to test the __eq__ and __ne__ methods, so we can't use
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# This is to test the __eq__ and __ne__ methods, so we can't use
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# assertEqual and assertNotEqual
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# assertEqual and assertNotEqual
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line = Line(0j, 400 + 0j)
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line = Line(0j, 400 + 0j)
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cubic = CubicBezier(600 + 500j, 600 + 350j, 900 + 650j, 900 + 500j)
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self.assertTrue(line == Line(0, 400))
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self.assertTrue(line == Line(0, 400))
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self.assertTrue(line != Line(100, 400))
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self.assertTrue(line != Line(100, 400))
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self.assertFalse(line == str(line))
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self.assertFalse(line == str(line))
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self.assertTrue(line != str(line))
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self.assertTrue(line != str(line))
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self.assertFalse(
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self.assertFalse(cubic == line)
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CubicBezier(600 + 500j, 600 + 350j, 900 + 650j, 900 + 500j) == line)
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class CubicBezierTest(unittest.TestCase):
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class CubicBezierTest(unittest.TestCase):
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@ -233,8 +233,9 @@ class CubicBezierTest(unittest.TestCase):
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self.assertAlmostEqual(cub.length(), sqrt(2 * 100 * 100))
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self.assertAlmostEqual(cub.length(), sqrt(2 * 100 * 100))
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# A quarter circle large_arc with radius 100:
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# A quarter circle large_arc with radius 100
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kappa = 4 * (sqrt(2) - 1) / 3 # http://www.whizkidtech.redprince.net/bezier/circle/
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# http://www.whizkidtech.redprince.net/bezier/circle/
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kappa = 4 * (sqrt(2) - 1) / 3
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cub = CubicBezier(
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cub = CubicBezier(
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complex(0, 0),
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complex(0, 0),
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@ -270,9 +271,9 @@ class CubicBezierTest(unittest.TestCase):
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complex(900, 650), complex(900, 500))
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complex(900, 650), complex(900, 500))
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self.assertTrue(segment ==
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self.assertTrue(segment ==
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CubicBezier(600 + 500j, 600 + 350j, 900 + 650j, 900 + 500j))
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CubicBezier(600 + 500j, 600 + 350j, 900 + 650j, 900 + 500j))
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self.assertTrue(segment !=
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self.assertTrue(segment !=
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CubicBezier(600 + 501j, 600 + 350j, 900 + 650j, 900 + 500j))
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CubicBezier(600 + 501j, 600 + 350j, 900 + 650j, 900 + 500j))
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self.assertTrue(segment != Line(0, 400))
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self.assertTrue(segment != Line(0, 400))
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@ -345,8 +346,10 @@ class QuadraticBezierTest(unittest.TestCase):
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# This is to test the __eq__ and __ne__ methods, so we can't use
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# This is to test the __eq__ and __ne__ methods, so we can't use
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# assertEqual and assertNotEqual
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# assertEqual and assertNotEqual
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segment = QuadraticBezier(200 + 300j, 400 + 50j, 600 + 300j)
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segment = QuadraticBezier(200 + 300j, 400 + 50j, 600 + 300j)
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self.assertTrue(segment == QuadraticBezier(200 + 300j, 400 + 50j, 600 + 300j))
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self.assertTrue(segment ==
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self.assertTrue(segment != QuadraticBezier(200 + 301j, 400 + 50j, 600 + 300j))
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QuadraticBezier(200 + 300j, 400 + 50j, 600 + 300j))
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self.assertTrue(segment !=
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QuadraticBezier(200 + 301j, 400 + 50j, 600 + 300j))
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self.assertFalse(segment == Arc(0j, 100 + 50j, 0, 0, 0, 100 + 50j))
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self.assertFalse(segment == Arc(0j, 100 + 50j, 0, 0, 0, 100 + 50j))
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self.assertTrue(Arc(0j, 100 + 50j, 0, 0, 0, 100 + 50j) != segment)
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self.assertTrue(Arc(0j, 100 + 50j, 0, 0, 0, 100 + 50j) != segment)
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@ -439,16 +442,26 @@ class ArcTest(unittest.TestCase):
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225.6910319606926, 1, 1,
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225.6910319606926, 1, 1,
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(-624.6375539637027+896.5483089399895j))
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(-624.6375539637027+896.5483089399895j))
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self.assertAlmostEqual(arc5.point(0.0), (725.307482226-915.554819928j))
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self.assertAlmostEqual(arc5.point(0.0), (725.307482226-915.554819928j))
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self.assertAlmostEqual(arc5.point(0.0909090909091), (1023.47397369-597.730444283j))
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self.assertAlmostEqual(arc5.point(0.0909090909091),
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self.assertAlmostEqual(arc5.point(0.181818181818), (1242.80253007-232.251400124j))
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(1023.47397369-597.730444283j))
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self.assertAlmostEqual(arc5.point(0.272727272727), (1365.52445614+151.273373978j))
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self.assertAlmostEqual(arc5.point(0.181818181818),
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self.assertAlmostEqual(arc5.point(0.363636363636), (1381.69755131+521.772981736j))
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(1242.80253007-232.251400124j))
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self.assertAlmostEqual(arc5.point(0.454545454545), (1290.01156757+849.231748376j))
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self.assertAlmostEqual(arc5.point(0.272727272727),
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self.assertAlmostEqual(arc5.point(0.545454545455), (1097.89435807+1107.12091209j))
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(1365.52445614+151.273373978j))
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self.assertAlmostEqual(arc5.point(0.636363636364), (820.910116547+1274.54782658j))
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self.assertAlmostEqual(arc5.point(0.363636363636),
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self.assertAlmostEqual(arc5.point(0.727272727273), (481.49845896+1337.94855893j))
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(1381.69755131+521.772981736j))
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self.assertAlmostEqual(arc5.point(0.818181818182), (107.156499251+1292.18675889j))
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self.assertAlmostEqual(arc5.point(0.454545454545),
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self.assertAlmostEqual(arc5.point(0.909090909091), (-271.788803303+1140.96977533j))
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(1290.01156757+849.231748376j))
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self.assertAlmostEqual(arc5.point(0.545454545455),
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(1097.89435807+1107.12091209j))
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self.assertAlmostEqual(arc5.point(0.636363636364),
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(820.910116547+1274.54782658j))
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self.assertAlmostEqual(arc5.point(0.727272727273),
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(481.49845896+1337.94855893j))
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self.assertAlmostEqual(arc5.point(0.818181818182),
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(107.156499251+1292.18675889j))
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self.assertAlmostEqual(arc5.point(0.909090909091),
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(-271.788803303+1140.96977533j))
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def test_length(self):
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def test_length(self):
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# I'll test the length calculations by making a circle, in two parts.
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# I'll test the length calculations by making a circle, in two parts.
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@ -485,26 +498,31 @@ class TestPath(unittest.TestCase):
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path = Path(Line(300 + 200j, 150 + 200j),
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path = Path(Line(300 + 200j, 150 + 200j),
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Arc(150 + 200j, 150 + 150j, 0, 1, 0, 300 + 50j),
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Arc(150 + 200j, 150 + 150j, 0, 1, 0, 300 + 50j),
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Line(300 + 50j, 300 + 200j))
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Line(300 + 50j, 300 + 200j))
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# The points and length for this path are calculated and not regression tests.
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# The points and length for this path are calculated and not
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# regression tests.
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self.assertAlmostEqual(path.point(0.0), (300 + 200j))
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self.assertAlmostEqual(path.point(0.0), (300 + 200j))
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self.assertAlmostEqual(path.point(0.14897825542), (150 + 200j))
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self.assertAlmostEqual(path.point(0.14897825542), (150 + 200j))
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self.assertAlmostEqual(path.point(0.5), (406.066017177 + 306.066017177j))
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self.assertAlmostEqual(path.point(0.5), (406.066017177 + 306.066017177j))
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self.assertAlmostEqual(path.point(1 - 0.14897825542), (300 + 50j))
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self.assertAlmostEqual(path.point(1 - 0.14897825542), (300 + 50j))
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self.assertAlmostEqual(path.point(1.0), (300 + 200j))
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self.assertAlmostEqual(path.point(1.0), (300 + 200j))
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# The errors seem to accumulate. Still 6 decimal places is more than good enough.
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# The errors seem to accumulate. Still 6 decimal places is more
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# than good enough.
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self.assertAlmostEqual(path.length(), pi * 225 + 300, places=6)
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self.assertAlmostEqual(path.length(), pi * 225 + 300, places=6)
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# Little pie: M275,175 v-150 a150,150 0 0,0 -150,150 z
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# Little pie: M275,175 v-150 a150,150 0 0,0 -150,150 z
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path = Path(Line(275 + 175j, 275 + 25j),
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path = Path(Line(275 + 175j, 275 + 25j),
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Arc(275 + 25j, 150 + 150j, 0, 0, 0, 125 + 175j),
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Arc(275 + 25j, 150 + 150j, 0, 0, 0, 125 + 175j),
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Line(125 + 175j, 275 + 175j))
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Line(125 + 175j, 275 + 175j))
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# The points and length for this path are calculated and not regression tests.
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# The points and length for this path are calculated and not
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# regression tests.
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self.assertAlmostEqual(path.point(0.0), (275 + 175j))
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self.assertAlmostEqual(path.point(0.0), (275 + 175j))
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self.assertAlmostEqual(path.point(0.2800495767557787), (275 + 25j))
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self.assertAlmostEqual(path.point(0.2800495767557787), (275 + 25j))
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self.assertAlmostEqual(path.point(0.5), (168.93398282201787 + 68.93398282201787j))
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self.assertAlmostEqual(path.point(0.5),
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(168.93398282201787 + 68.93398282201787j))
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self.assertAlmostEqual(path.point(1 - 0.2800495767557787), (125 + 175j))
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self.assertAlmostEqual(path.point(1 - 0.2800495767557787), (125 + 175j))
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self.assertAlmostEqual(path.point(1.0), (275 + 175j))
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self.assertAlmostEqual(path.point(1.0), (275 + 175j))
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# The errors seem to accumulate. Still 6 decimal places is more than good enough.
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# The errors seem to accumulate. Still 6 decimal places is more
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# than good enough.
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self.assertAlmostEqual(path.length(), pi * 75 + 300, places=6)
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self.assertAlmostEqual(path.length(), pi * 75 + 300, places=6)
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# Bumpy path: M600,350 l 50,-25
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# Bumpy path: M600,350 l 50,-25
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@ -531,14 +549,17 @@ class TestPath(unittest.TestCase):
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# self.assertAlmostEqual(path.point(0.5), (827.730749264+147.824157418j))
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# self.assertAlmostEqual(path.point(0.5), (827.730749264+147.824157418j))
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# self.assertAlmostEqual(path.point(0.9), (971.284357806+106.302352605j))
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# self.assertAlmostEqual(path.point(0.9), (971.284357806+106.302352605j))
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# self.assertAlmostEqual(path.point(1), (1050+125j))
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# self.assertAlmostEqual(path.point(1), (1050+125j))
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# # The errors seem to accumulate. Still 6 decimal places is more than good enough.
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# # The errors seem to accumulate. Still 6 decimal places is more
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# # than good enough.
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# self.assertAlmostEqual(path.length(), 928.3886394081095)
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# self.assertAlmostEqual(path.length(), 928.3886394081095)
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def test_repr(self):
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def test_repr(self):
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path = Path(
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path = Path(
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Line(start=600 + 350j, end=650 + 325j),
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Line(start=600 + 350j, end=650 + 325j),
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Arc(start=650 + 325j, radius=25 + 25j, rotation=-30, large_arc=0, sweep=1, end=700 + 300j),
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Arc(start=650 + 325j, radius=25 + 25j, rotation=-30,
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CubicBezier(start=700 + 300j, control1=800 + 400j, control2=750 + 200j, end=600 + 100j),
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large_arc=0, sweep=1, end=700 + 300j),
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CubicBezier(start=700 + 300j, control1=800 + 400j,
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control2=750 + 200j, end=600 + 100j),
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QuadraticBezier(start=600 + 100j, control=600, end=600 + 300j))
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QuadraticBezier(start=600 + 100j, control=600, end=600 + 300j))
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self.assertEqual(eval(repr(path)), path)
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self.assertEqual(eval(repr(path)), path)
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@ -547,13 +568,17 @@ class TestPath(unittest.TestCase):
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# assertEqual and assertNotEqual
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# assertEqual and assertNotEqual
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path1 = Path(
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path1 = Path(
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Line(start=600 + 350j, end=650 + 325j),
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Line(start=600 + 350j, end=650 + 325j),
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Arc(start=650 + 325j, radius=25 + 25j, rotation=-30, large_arc=0, sweep=1, end=700 + 300j),
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Arc(start=650 + 325j, radius=25 + 25j, rotation=-30,
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CubicBezier(start=700 + 300j, control1=800 + 400j, control2=750 + 200j, end=600 + 100j),
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large_arc=0, sweep=1, end=700 + 300j),
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CubicBezier(start=700 + 300j, control1=800 + 400j,
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control2=750 + 200j, end=600 + 100j),
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QuadraticBezier(start=600 + 100j, control=600, end=600 + 300j))
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QuadraticBezier(start=600 + 100j, control=600, end=600 + 300j))
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path2 = Path(
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path2 = Path(
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Line(start=600 + 350j, end=650 + 325j),
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Line(start=600 + 350j, end=650 + 325j),
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Arc(start=650 + 325j, radius=25 + 25j, rotation=-30, large_arc=0, sweep=1, end=700 + 300j),
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Arc(start=650 + 325j, radius=25 + 25j, rotation=-30,
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CubicBezier(start=700 + 300j, control1=800 + 400j, control2=750 + 200j, end=600 + 100j),
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large_arc=0, sweep=1, end=700 + 300j),
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CubicBezier(start=700 + 300j, control1=800 + 400j,
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control2=750 + 200j, end=600 + 100j),
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QuadraticBezier(start=600 + 100j, control=600, end=600 + 300j))
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QuadraticBezier(start=600 + 100j, control=600, end=600 + 300j))
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self.assertTrue(path1 == path2)
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self.assertTrue(path1 == path2)
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@ -749,7 +774,8 @@ class TestPath(unittest.TestCase):
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for path_orig in test_paths:
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for path_orig in test_paths:
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# scale by 0.3 around (0, -100)
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# scale by 0.3 around (0, -100)
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# the 'almost equal' test fails at the 7th decimal place for some length and position tests here.
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# the 'almost equal' test fails at the 7th decimal place for
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# some length and position tests here.
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path_trns = path_orig.scaled(0.3, complex(0, -100))
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path_trns = path_orig.scaled(0.3, complex(0, -100))
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# expected length
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# expected length
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@ -1058,14 +1084,18 @@ class Test_intersect(unittest.TestCase):
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###################################################################
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###################################################################
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def test_line_line_0(self):
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def test_line_line_0(self):
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l0 = Line(start=(25.389999999999997+99.989999999999995j), end=(25.389999999999997+90.484999999999999j))
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l0 = Line(start=(25.389999999999997+99.989999999999995j),
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l1 = Line(start=(25.390000000000001+84.114999999999995j), end=(25.389999999999997+74.604202137430320j))
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end=(25.389999999999997+90.484999999999999j))
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l1 = Line(start=(25.390000000000001+84.114999999999995j),
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end=(25.389999999999997+74.604202137430320j))
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i = l0.intersect(l1)
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i = l0.intersect(l1)
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assert(len(i)) == 0
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assert(len(i)) == 0
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def test_line_line_1(self):
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def test_line_line_1(self):
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l0 = Line(start=(-124.705378549+327.696674827j), end=(12.4926214511+121.261674827j))
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l0 = Line(start=(-124.705378549+327.696674827j),
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l1 = Line(start=(-12.4926214511+121.261674827j), end=(124.705378549+327.696674827j))
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end=(12.4926214511+121.261674827j))
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l1 = Line(start=(-12.4926214511+121.261674827j),
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end=(124.705378549+327.696674827j))
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i = l0.intersect(l1)
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i = l0.intersect(l1)
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assert(len(i)) == 1
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assert(len(i)) == 1
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assert(abs(l0.point(i[0][0])-l1.point(i[0][1])) < 1e-9)
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assert(abs(l0.point(i[0][0])-l1.point(i[0][1])) < 1e-9)
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Reference in New Issue