public override object GetField(Field field, SitecoreFieldConfiguration config, SitecoreDataMappingContext context)
        {
            ImageWithOverlay      img           = new ImageWithOverlay();
            ImageWithOverlayField sitecoreImage = new ImageWithOverlayField(field);

            SitecoreFieldImageMapper.MapToImage(img, sitecoreImage);
            img.OverlayCoordinates = sitecoreImage.OverlayCoordinates;

            return(img);
        }
        public override object GetFieldValue(string fieldValue, SitecoreFieldConfiguration config, SitecoreDataMappingContext context)
        {
            Item item = context.Service.Database.GetItem(new ID(fieldValue));

            if (item == null)
            {
                return(null);
            }

            MediaItem        imageItem = new MediaItem(item);
            ImageWithOverlay image     = new ImageWithOverlay();

            SitecoreFieldImageMapper.MapToImage(image, imageItem);
            image.OverlayCoordinates = Constants.OverlayDefaultCoordinates;
            return(image);
        }