/// <summary>
/// Creates a new MapCSS object with a geometry object.
/// </summary>
/// <param name="geometry"></param>
public MapCSSObject(Geometry geometry)
{
if (geometry == null) throw new ArgumentNullException();
this.Geometry = geometry;
if (!(this.Geometry is LineairRing ||
this.Geometry is Polygon ||
this.Geometry is MultiPolygon ||
this.Geometry is LineString))
{
throw new Exception("Invalid MapCSS type.");
}
}
/// <summary>
/// Generates GeoJson for the given geometry.
/// </summary>
/// <param name="writer"></param>
/// <param name="geometry"></param>
internal static void Write(JsonWriter writer, Geometry geometry)
{
if (writer == null) { throw new ArgumentNullException("writer"); }
if (geometry == null) { throw new ArgumentNullException("geometry"); }
if (geometry is LineairRing)
{
GeoJsonConverter.Write(writer, geometry as LineairRing);
}
else if (geometry is Point)
{
GeoJsonConverter.Write(writer, geometry as Point);
}
else if (geometry is LineString)
{
GeoJsonConverter.Write(writer, geometry as LineString);
}
else if (geometry is Polygon)
{
GeoJsonConverter.Write(writer, geometry as Polygon);
}
else if (geometry is MultiPoint)
{
GeoJsonConverter.Write(writer, geometry as MultiPoint);
}
else if (geometry is MultiPolygon)
{
GeoJsonConverter.Write(writer, geometry as MultiPolygon);
}
else if (geometry is MultiLineString)
{
GeoJsonConverter.Write(writer, geometry as MultiLineString);
}
else if (geometry is GeometryCollection)
{
GeoJsonConverter.Write(writer, geometry as GeometryCollection);
}
else
{
throw new Exception(string.Format("Unknown geometry of type: {0}", geometry.GetType()));
}
}
/// <summary>
/// Adds the given geometry.
/// </summary>
private void AddGeometry(Geometry geometry, int color, float width, bool fill)
{
if (geometry == null) { throw new ArgumentNullException(); }
if (geometry is Point)
{
this.AddGeometry(geometry as Point, color, width);
}
else if (geometry is Polygon)
{
this.AddGeometry(geometry as Polygon, color, width, fill);
}
else if (geometry is LineString)
{
this.AddGeometry(geometry as LineString, color, width);
}
else if (geometry is LineairRing)
{
this.AddGeometry(geometry as LineairRing, color, width, fill);
}
}