typemytype

from fontTools.pens.basePen import BasePen
 
def pointOnCurve(p1, c1, c2, p2, value):
    dx = p1[0]
    cx = (c1[0] - dx) * 3.0
    bx = (c2[0] - c1[0]) * 3.0 - cx
    ax = p2[0] - dx - cx - bx
 
    dy = p1[1]
    cy = (c1[1] - dy) * 3.0

typemytype

from drawBot import *
from drawBot.ui.drawView import DrawView

from vanilla import *

class DrawBotViewer(object):
    
    def __init__(self):
        # create a window        
        self.w = Window((400, 400), minSize=(200, 200))