private static MG_MultiPolygon AsMultiPolygon(Geometry g)
{
MG_MultiPolygon multiPolygon = new MG_MultiPolygon();
int geometryCount = g.GetGeometryCount();
for (int i = 0; i < geometryCount; i++)
{
MG_Polygon polygon = AsPolygon(g.GetGeometryRef(i));
multiPolygon.Add(polygon);
}
return(multiPolygon);
}
private static MG_Polygon AsPolygon(Geometry g)
{
MG_Polygon polygon = new MG_Polygon();
int geometryCount = g.GetGeometryCount();
for (int i = 0; i < geometryCount; i++)
{
MG_LineString lineString = AsLineString(g.GetGeometryRef(i));
polygon.Add(lineString);
}
return(polygon);
}
public static void RenderPolygon(Graphics g, Pen pen, MG_MapView mapview, MG_Polygon polygon)
{
int countLineString = polygon.Count();
for (int i = 0; i < countLineString; i++)
{
MG_LineString lineString = polygon.GetAt(i);
int countPoint = lineString.Count();
if (countPoint < 3)
{
return;
}
Point[] points = new Point[countPoint];
for (int j = 0; j < countPoint; j++)
{
MG_Point mp = lineString.GetAt(j);
points[j] = AsPoint(mp, mapview);
}
//FillPolygon(g, brush, points);
//Pen pen = new Pen(Color.Red, 1);
DrawPolygon(g, pen, points);
}
}
public MG_ToolDrawPolygon(MG_Layer layer, MG_MapView mapview)
: base(MG_ToolType.Tool_DrawPolygon, layer, mapview)
{
this.LineString = new MG_LineString();
this.Polygon = new MG_Polygon();
}
