Appends a linear gradient node with the given stops to this.
| this |
a `GtkSnapshot` |
| bounds |
the rectangle to render the linear gradient into |
| start_point |
the point at which the linear gradient will begin |
| end_point |
the point at which the linear gradient will finish |
| stops |
the color stops defining the gradient |
| n_stops |
the number of elements in |