/// <summary> Returns the indexes of the current tile. These are the horizontal and
/// vertical indexes of the current tile.
///
/// <p>This default implementation returns the value of the source.</p>
///
/// </summary>
/// <param name="co">If not null this object is used to return the information. If
/// null a new one is created and returned.
///
/// </param>
/// <returns> The current tile's indexes (vertical and horizontal indexes).
///
/// </returns>
public virtual Coord getTile(Coord co)
{
return(imgdatasrc.getTile(co));
}
