public PointIcon GetPointIcon(PointType type)
{
// key -> value
// PointType -> PointIcon
if (!icons.ContainsKey(type))
{
var icon = new PointIcon(type, null);
// phisical icon image, hospital.jpg, etc.
icons.Add(type, icon);
}
return(icons.GetValueOrDefault(type));
}
public Point(int x, int y, PointIcon pointIcon)
{
this.x = x;
this.y = y;
this.pointIcon = pointIcon;
}
public Point(int x, int y, PointIcon icon)
{
this.x = x;
this.y = y;
this.icon = icon;
}