# Source code for fontTools.pens.quartzPen

    from fontTools.pens.basePen import BasePen

    from Quartz.CoreGraphics import CGPathCreateMutable, CGPathMoveToPoint
    from Quartz.CoreGraphics import CGPathAddLineToPoint, CGPathAddCurveToPoint
    from Quartz.CoreGraphics import CGPathAddQuadCurveToPoint, CGPathCloseSubpath

    __all__ = ["QuartzPen"]

    class QuartzPen(BasePen):
        """A pen that creates a CGPath

        Parameters
        - path: an optional CGPath to add to
        - xform: an optional CGAffineTransform to apply to the path
        """

        def __init__(self, glyphSet, path=None, xform=None):
            BasePen.__init__(self, glyphSet)
            if path is None:
                path = CGPathCreateMutable()
            self.path = path
            self.xform = xform

        def _moveTo(self, pt):
            x, y = pt
            CGPathMoveToPoint(self.path, self.xform, x, y)

        def _lineTo(self, pt):
            x, y = pt
            CGPathAddLineToPoint(self.path, self.xform, x, y)

        def _curveToOne(self, p1, p2, p3):
            (x1, y1), (x2, y2), (x3, y3) = p1, p2, p3
            CGPathAddCurveToPoint(self.path, self.xform, x1, y1, x2, y2, x3, y3)

        def _qCurveToOne(self, p1, p2):
            (x1, y1), (x2, y2) = p1, p2
            CGPathAddQuadCurveToPoint(self.path, self.xform, x1, y1, x2, y2)

        def _closePath(self):
            CGPathCloseSubpath(self.path)