areaPen_test.py

from __future__ import print_function, division, absolute_import
from fontTools.misc.py23 import *
from fontTools.pens.areaPen import AreaPen
import unittest

# TODO: paths with qCurveTo

precision = 6

def draw1_(pen):
    pen.moveTo( (254, 360) )
    pen.lineTo( (771, 367) )
    pen.curveTo( (800, 393), (808, 399), (819, 412) )
    pen.curveTo( (818, 388), (774, 138), (489, 145) )
    pen.curveTo( (188, 145), (200, 398), (200, 421) )
    pen.curveTo( (209, 409), (220, 394), (254, 360) )
    pen.closePath()


def draw2_(pen):
    pen.moveTo( (254, 360) )
    pen.curveTo( (220, 394), (209, 409), (200, 421) )
    pen.curveTo( (200, 398), (188, 145), (489, 145) )
    pen.curveTo( (774, 138), (818, 388), (819, 412) )
    pen.curveTo( (808, 399), (800, 393), (771, 367) )
    pen.closePath()


def draw3_(pen):
    pen.moveTo( (771, 367) )
    pen.curveTo( (800, 393), (808, 399), (819, 412) )
    pen.curveTo( (818, 388), (774, 138), (489, 145) )
    pen.curveTo( (188, 145), (200, 398), (200, 421) )
    pen.curveTo( (209, 409), (220, 394), (254, 360) )
    pen.closePath()


def draw4_(pen):
    pen.moveTo( (771, 367) )
    pen.lineTo( (254, 360) )
    pen.curveTo( (220, 394), (209, 409), (200, 421) )
    pen.curveTo( (200, 398), (188, 145), (489, 145) )
    pen.curveTo( (774, 138), (818, 388), (819, 412) )
    pen.curveTo( (808, 399), (800, 393), (771, 367) )
    pen.closePath()


class AreaPenTest(unittest.TestCase):
    def test_draw1(self):
        pen = AreaPen(None)
        draw1_(pen)
        self.assertEqual(104561.35, round(pen.value, precision))

    def test_draw2(self):
        pen = AreaPen(None)
        draw2_(pen)
        self.assertEqual(-104561.35, round(pen.value, precision))

    def test_draw3(self):
        pen = AreaPen(None)
        draw3_(pen)
        self.assertEqual(104561.35, round(pen.value, precision))

    def test_draw4(self):
        pen = AreaPen(None)
        draw4_(pen)
        self.assertEqual(-104561.35, round(pen.value, precision))


if __name__ == '__main__':
    unittest.main()