A function for bindings to set a [type@ColorArray] property.
Setting these with [method@GObject.Object.set] or [method@GObject.Object.set_property] won't work for the time being so all our boxed array types must be set and get using these alternative functions instead.
C plug-ins should just use [method@GObject.Object.set].
| this | |
| property_name |
the name of a ParamSpecBoxed param spec with [type@ColorArray] value type. |
| colors |
an array of [class@Gegl.Color]. |
| n_colors |
the numbers of |