# Source code for fontTools.pens.transformPen

    from fontTools.pens.filterPen import FilterPen, FilterPointPen

    __all__ = ["TransformPen", "TransformPointPen"]

    class TransformPen(FilterPen):
        """Pen that transforms all coordinates using a Affine transformation,
        and passes them to another pen.
        """

        def __init__(self, outPen, transformation):
            """The 'outPen' argument is another pen object. It will receive the
            transformed coordinates. The 'transformation' argument can either
            be a six-tuple, or a fontTools.misc.transform.Transform object.
            """
            super(TransformPen, self).__init__(outPen)
            if not hasattr(transformation, "transformPoint"):
                from fontTools.misc.transform import Transform

                transformation = Transform(*transformation)
            self._transformation = transformation
            self._transformPoint = transformation.transformPoint
            self._stack = []

        def moveTo(self, pt):
            self._outPen.moveTo(self._transformPoint(pt))

        def lineTo(self, pt):
            self._outPen.lineTo(self._transformPoint(pt))

        def curveTo(self, *points):
            self._outPen.curveTo(*self._transformPoints(points))

        def qCurveTo(self, *points):
            if points[-1] is None:
                points = self._transformPoints(points[:-1]) + [None]
            else:
                points = self._transformPoints(points)
            self._outPen.qCurveTo(*points)

        def _transformPoints(self, points):
            transformPoint = self._transformPoint
            return [transformPoint(pt) for pt in points]

        def closePath(self):
            self._outPen.closePath()

        def endPath(self):
            self._outPen.endPath()

        def addComponent(self, glyphName, transformation):
            transformation = self._transformation.transform(transformation)
            self._outPen.addComponent(glyphName, transformation)

    class TransformPointPen(FilterPointPen):
        """PointPen that transforms all coordinates using a Affine transformation,
        and passes them to another PointPen.

        For example::

            >>> from fontTools.pens.recordingPen import RecordingPointPen
            >>> rec = RecordingPointPen()
            >>> pen = TransformPointPen(rec, (2, 0, 0, 2, -10, 5))
            >>> v = iter(rec.value)
            >>> pen.beginPath(identifier="contour-0")
            >>> next(v)
            ('beginPath', (), {'identifier': 'contour-0'})

            >>> pen.addPoint((100, 100), "line")
            >>> next(v)
            ('addPoint', ((190, 205), 'line', False, None), {})

            >>> pen.endPath()
            >>> next(v)
            ('endPath', (), {})

            >>> pen.addComponent("a", (1, 0, 0, 1, -10, 5), identifier="component-0")
            >>> next(v)
            ('addComponent', ('a', <Transform [2 0 0 2 -30 15]>), {'identifier': 'component-0'})
        """

        def __init__(self, outPointPen, transformation):
            """The 'outPointPen' argument is another point pen object.
            It will receive the transformed coordinates.
            The 'transformation' argument can either be a six-tuple, or a
            fontTools.misc.transform.Transform object.
            """
            super().__init__(outPointPen)
            if not hasattr(transformation, "transformPoint"):
                from fontTools.misc.transform import Transform

                transformation = Transform(*transformation)
            self._transformation = transformation
            self._transformPoint = transformation.transformPoint

        def addPoint(self, pt, segmentType=None, smooth=False, name=None, **kwargs):
            self._outPen.addPoint(
                self._transformPoint(pt), segmentType, smooth, name, **kwargs
            )

        def addComponent(self, baseGlyphName, transformation, **kwargs):
            transformation = self._transformation.transform(transformation)
            self._outPen.addComponent(baseGlyphName, transformation, **kwargs)

    if __name__ == "__main__":
        from fontTools.pens.basePen import _TestPen

        pen = TransformPen(_TestPen(None), (2, 0, 0.5, 2, -10, 0))
        pen.moveTo((0, 0))
        pen.lineTo((0, 100))
        pen.curveTo((50, 75), (60, 50), (50, 25), (0, 0))
        pen.closePath()