from io import StringIO from fontTools.pens.pointInsidePen import PointInsidePen import unittest class PointInsidePenTest(unittest.TestCase): def test_line(self): def draw_triangles(pen): pen.moveTo((0,0)); pen.lineTo((10,5)); pen.lineTo((10,0)) pen.moveTo((9,1)); pen.lineTo((4,1)); pen.lineTo((9,4)) pen.closePath() self.assertEqual( " *********" " ** *" " ** *" " * *" " *", self.render(draw_triangles, even_odd=True)) self.assertEqual( " *********" " *******" " *****" " ***" " *", self.render(draw_triangles, even_odd=False)) def test_curve(self): def draw_curves(pen): pen.moveTo((0,0)); pen.curveTo((9,1), (9,4), (0,5)) pen.moveTo((10,5)); pen.curveTo((1,4), (1,1), (10,0)) pen.closePath() self.assertEqual( "*** ***" "**** ****" "*** ***" "**** ****" "*** ***", self.render(draw_curves, even_odd=True)) self.assertEqual( "*** ***" "**********" "**********" "**********" "*** ***", self.render(draw_curves, even_odd=False)) def test_qCurve(self): def draw_qCurves(pen): pen.moveTo((0,0)); pen.qCurveTo((15,2), (0,5)) pen.moveTo((10,5)); pen.qCurveTo((-5,3), (10,0)) pen.closePath() self.assertEqual( "*** **" "**** ***" "*** ***" "*** ****" "** ***", self.render(draw_qCurves, even_odd=True)) self.assertEqual( "*** **" "**********" "**********" "**********" "** ***", self.render(draw_qCurves, even_odd=False)) @staticmethod def render(draw_function, even_odd): result = StringIO() for y in range(5): for x in range(10): pen = PointInsidePen(None, (x + 0.5, y + 0.5), even_odd) draw_function(pen) if pen.getResult(): result.write("*") else: result.write(" ") return result.getvalue() def test_contour_no_solutions(self): def draw_contour(pen): pen.moveTo( (969, 230) ) pen.curveTo( (825, 348) , (715, 184) , (614, 202) ) pen.lineTo( (614, 160) ) pen.lineTo( (969, 160) ) pen.closePath() piPen = PointInsidePen(None, (750, 295)) # this point is outside draw_contour(piPen) self.assertEqual(piPen.getWinding(), 0) self.assertEqual(piPen.getResult(), False) piPen = PointInsidePen(None, (835, 190)) # this point is inside draw_contour(piPen) self.assertEqual(piPen.getWinding(), 1) self.assertEqual(piPen.getResult(), True) def test_contour_square_closed(self): def draw_contour(pen): pen.moveTo( (100, 100) ) pen.lineTo( (-100, 100) ) pen.lineTo( (-100, -100) ) pen.lineTo( (100, -100) ) pen.closePath() piPen = PointInsidePen(None, (0, 0)) # this point is inside draw_contour(piPen) self.assertEqual(piPen.getWinding(), 1) self.assertEqual(piPen.getResult(), True) def test_contour_square_opened(self): def draw_contour(pen): pen.moveTo( (100, 100) ) pen.lineTo( (-100, 100) ) pen.lineTo( (-100, -100) ) pen.lineTo( (100, -100) ) # contour not explicitly closed piPen = PointInsidePen(None, (0, 0)) # this point is inside draw_contour(piPen) self.assertEqual(piPen.getWinding(), 1) self.assertEqual(piPen.getResult(), True) def test_contour_circle(self): def draw_contour(pen): pen.moveTo( (0, 100) ) pen.curveTo( (-55, 100) , (-100, 55) , (-100, 0) ) pen.curveTo( (-100, -55) , (-55, -100) , (0, -100) ) pen.curveTo( (55, -100) , (100, -55) , (100, 0) ) pen.curveTo( (100, 55) , (55, 100) , (0, 100) ) piPen = PointInsidePen(None, (50, 50)) # this point is inside draw_contour(piPen) self.assertEqual(piPen.getResult(), True) piPen = PointInsidePen(None, (50, -50)) # this point is inside draw_contour(piPen) self.assertEqual(piPen.getResult(), True) def test_contour_diamond(self): def draw_contour(pen): pen.moveTo( (0, 100) ) pen.lineTo( (100, 0) ) pen.lineTo( (0, -100) ) pen.lineTo( (-100, 0) ) pen.closePath() piPen = PointInsidePen(None, (-200, 0)) # this point is outside draw_contour(piPen) self.assertEqual(piPen.getWinding(), 0) piPen = PointInsidePen(None, (-200, 100)) # this point is outside draw_contour(piPen) self.assertEqual(piPen.getWinding(), 0) piPen = PointInsidePen(None, (-200, -100)) # this point is outside draw_contour(piPen) self.assertEqual(piPen.getWinding(), 0) piPen = PointInsidePen(None, (-200, 50)) # this point is outside draw_contour(piPen) self.assertEqual(piPen.getWinding(), 0) def test_contour_integers(self): def draw_contour(pen): pen.moveTo( (728, 697) ) pen.lineTo( (504, 699) ) pen.curveTo( (487, 719) , (508, 783) , (556, 783) ) pen.lineTo( (718, 783) ) pen.curveTo( (739, 783) , (749, 712) , (728, 697) ) pen.closePath() piPen = PointInsidePen(None, (416, 783)) # this point is outside draw_contour(piPen) self.assertEqual(piPen.getWinding(), 0) def test_contour_decimals(self): def draw_contour(pen): pen.moveTo( (727.546875, 697.0) ) pen.lineTo( (504.375, 698.515625) ) pen.curveTo( (487.328125, 719.359375), (507.84375, 783.140625), (555.796875, 783.140625) ) pen.lineTo( (717.96875, 783.140625) ) pen.curveTo( (738.890625, 783.140625), (748.796875, 711.5), (727.546875, 697.0) ) pen.closePath() piPen = PointInsidePen(None, (416.625, 783.140625)) # this point is outside draw_contour(piPen) self.assertEqual(piPen.getWinding(), 0) def test_contour2_integers(self): def draw_contour(pen): pen.moveTo( (51, 22) ) pen.lineTo( (51, 74) ) pen.lineTo( (83, 50) ) pen.curveTo( (83, 49) , (82, 48) , (82, 47) ) pen.closePath() piPen = PointInsidePen(None, (21, 50)) # this point is outside draw_contour(piPen) self.assertEqual(piPen.getWinding(), 0) def test_contour2_decimals(self): def draw_contour(pen): pen.moveTo( (51.25, 21.859375) ) pen.lineTo( (51.25, 73.828125) ) pen.lineTo( (82.5, 50.0) ) pen.curveTo( (82.5, 49.09375) , (82.265625, 48.265625) , (82.234375, 47.375) ) pen.closePath() piPen = PointInsidePen(None, (21.25, 50.0)) # this point is outside draw_contour(piPen) self.assertEqual(piPen.getWinding(), 0) if __name__ == "__main__": import sys sys.exit(unittest.main())