Is there a service for drawing svg curves on maps and then getting the code?

Question

Google Maps

Hello.
It is necessary to draw a curve on google map, yandex map.
The main problem is to bind this line to the map coordinates.
Is there a service to get the geo coordinates of an SVG curve?
Desirable type:

['M',[50.54136296522163,28.520507812500004],
                    'C',[52.214338608258224,28.564453125000004],
                        [48.45835188280866,33.57421875000001],
                        [50.680797145321655,33.83789062500001],
                    'V',[48.40003249610685],
                    'L',[47.45839225859763,31.201171875],
                        [48.40003249610685,28.564453125000004],'Z']

https://github.com/elfalem/leaflet.curve