The color to use to paint the interior of the item, specified as a GdkRGBA. To disable painting set the 'fill-pattern' property to NULL.
The color to use for the item's perimeter, specified as a GdkRGBA. To disable painting set the 'stroke-pattern' property to NULL.
The tooltip to display for the item, or %NULL to display no tooltip.
Note that this property has no effect unless the #GtkWidget:has-tooltip property is set to %TRUE on the #GooCanvas containing this item.
The sequence of commands describing the clip path of the item, specified as a string using the same syntax as in the
Graphics (SVG) path element.