cairo/canvas.go
func (v *Context) SetLineWidth(width float64) {
	C.cairo_set_line_width(v.native(), C.double(width))
}
func (v *Context) SetLineWidth(width float64) {
	C.cairo_set_line_width(v.native(), C.double(width))
}
// SetLineWidth is a wrapper around cairo_set_line_width().