[ << Backend ]	[Top][Contents][Index]	[ Scheme functions >> ]
[ < control-point-interface ]	[ Up : Graphical Object Interfaces ]	[ custos-interface > ]

---

3.2.35 control-polygon-interface

A grob used to visualize the control polygon of a Bézier curve (such as a tie or a slur), for ease of tweaking.

User-settable properties:

extroversion (number)

For polygons, how the thickness of the line is spread on each side of the exact polygon whith ideal zero thickness. If this is 0, the middle of line is on the polygon. If 1, the line sticks out of the polygon. If -1, the outer side of the line is exactly on the polygon. Other numeric values are interpolated.

filled (boolean)

Whether an object is filled with ink.

Internal properties:

bezier (graphical (layout) object)

A pointer to a Bézier curve, for use by control points and polygons.

This grob interface is used in the following graphical object(s): ControlPolygon.