| from __future__ import print_function, division, absolute_import |
| from fontTools.misc.py23 import * |
| 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 = BytesIO() |
| 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(b"*") |
| else: |
| result.write(b" ") |
| return tounicode(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()) |
| |
