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())