Companion

The default style for circles.

The default style for dipoles.

The default style for lines.

The fully invisible style — no fill, no stroke, zero width and size. A shape rendered with it draws nothing; for visible per-shape defaults use defaultFor.

The default style for the point primitives.

The default style for polygons.

The default style for polylines.

The default style for segments.

Returns the default style for shape's concrete type — black ink, so an unstyled shape is visible.