public PolygonPart(PolygonClosingPole closingPole)
{
this.closingPole = closingPole;
}
public void Load(IList <MapPoint> points, int firstPointIndex, int segmentLength, PolygonClosingPole closingPole)
{
MapPoint mapPoint = points[firstPointIndex];
MapPoint mapPoint2 = points[firstPointIndex + segmentLength - 1];
m_polygonIsClosed = mapPoint.Equals(mapPoint2);
m_polygonIsCut = false;
m_polygonPartsList = new List <PolygonPart>();
PolygonPart polygonPart = new PolygonPart(closingPole);
MapPoint mapPoint3 = default(MapPoint);
for (int i = 0; i < segmentLength; i++)
{
MapPoint mapPoint4 = points[firstPointIndex + i];
if (i == 0)
{
polygonPart.Points.Add(mapPoint4);
}
else
{
MapPoint mapPoint5 = mapPoint3;
foreach (MapPoint item in DensifyLine(mapPoint3, mapPoint4, DEFAULT_DENSIFICATION_ANGLE))
{
if (Math.Abs(item.X - mapPoint5.X) <= 180.0)
{
polygonPart.Points.Add(item);
mapPoint5 = item;
continue;
}
if (Math.Abs(item.X) == 180.0)
{
MapPoint mapPoint6 = new MapPoint(0.0 - item.X, item.Y);
polygonPart.Points.Add(mapPoint6);
mapPoint5 = mapPoint6;
continue;
}
if (Math.Abs(mapPoint5.X) == 180.0 && polygonPart.Points.Count == 1)
{
mapPoint5.X = 0.0 - mapPoint5.X;
polygonPart.Points[polygonPart.Points.Count - 1] = mapPoint5;
polygonPart.Points.Add(item);
mapPoint5 = item;
continue;
}
FindIntersectionPoints(mapPoint5, item, out MapPoint intersectionPoint, out MapPoint intersectionPoint2);
if (!mapPoint5.Equals(intersectionPoint))
{
polygonPart.Points.Add(intersectionPoint);
}
m_polygonPartsList.Add(polygonPart);
polygonPart = new PolygonPart(closingPole);
if (!item.Equals(intersectionPoint2))
{
polygonPart.Points.Add(intersectionPoint2);
}
polygonPart.Points.Add(item);
m_polygonIsCut = true;
mapPoint5 = item;
}
mapPoint4 = mapPoint5;
}
mapPoint3 = mapPoint4;
}
if (m_polygonIsCut && m_polygonIsClosed && polygonPart.LastPoint.Equals(m_polygonPartsList[0].FirstPoint))
{
polygonPart.Points.RemoveAt(polygonPart.Points.Count - 1);
m_polygonPartsList[0].Points.InsertRange(0, polygonPart.Points);
}
else
{
m_polygonPartsList.Add(polygonPart);
}
if (!m_polygonIsCut && m_polygonIsClosed && Math.Abs(polygonPart.FirstPoint.X) == 180.0 && polygonPart.FirstPoint.X == 0.0 - polygonPart.LastPoint.X)
{
m_polygonIsCut = true;
}
}
public void ProcessShapeSegment(ShapeSegment segment, IList <MapPoint> points, int firstPointIndex, PolygonClosingPole closingPole, out List <ShapeSegment> segments, out List <MapPoint> segmentPoints, out bool isClosedAtPole)
{
isClosedAtPole = false;
segments = new List <ShapeSegment>();
segmentPoints = new List <MapPoint>();
Load(points, firstPointIndex, segment.Length, closingPole);
foreach (PolygonPart shape in GetShapes())
{
ShapeSegment item = default(ShapeSegment);
item.Type = segment.Type;
item.Length = shape.Points.Count;
segments.Add(item);
segmentPoints.AddRange(shape.Points);
isClosedAtPole |= shape.isClosedAtPole;
}
}
