def chart_border(self):
"""Get a Polyline2D for the border of the plot."""
width = self._x_dim * len(self._months_int)
height = self._y_dim
pgon = Polygon2D.from_rectangle(self._base_point, Vector2D(0, 1),
width, height)
return Polyline2D.from_polygon(pgon)
def chart_border2d(self):
"""Get a Polyline2D for the border of the plot."""
base_pt = Point2D(self._base_point.x, self._base_point.y)
width = self._container.max_point.x - self._container.min_point.x
height = self._container.max_point.y - self._container.min_point.y
pgon = Polygon2D.from_rectangle(base_pt, Vector2D(0, 1), width, height)
return Polyline2D.from_polygon(pgon)
def test_from_polygon():
"""Test the from_polygon method."""
pts_1 = (Point2D(0, 0), Point2D(2, 0), Point2D(2, 2), Point2D(0, 2))
pgon = Polygon2D(pts_1)
pline = Polyline2D.from_polygon(pgon)
assert isinstance(pline, Polyline2D)
assert len(pline) == 5