setStampImage
Supplies the resolved custom stamp bitmap (from stamp.iconUrl), already fetched and sized off the 24 dp base by MPDirectionsRenderer. Null when the stamp is an arrow preset or none. Called immediately before apply.
Supplies the resolved custom stamp bitmap (from stamp.iconUrl), already fetched and sized off the 24 dp base by MPDirectionsRenderer. Null when the stamp is an arrow preset or none. Called immediately before apply.