private void GenerateResultShape(Vertex vertex1, Vertex vertex2, Collection <Vertex> vertices, bool needRemoveVertex = false)
{
LineShape line = new LineShape(vertices);
try
{
LineShape resultLine = GetLineOnALine(line, vertex1, vertex2, GeographyUnit);
if (resultLine != null && resultLine.Vertices.Count > 0)
{
if (!IsEqual(resultLine.Vertices[0].X, vertex1.X) || !IsEqual(resultLine.Vertices[0].Y, vertex1.Y))
{
resultLine.ReversePoints();
}
var tempVertex = resultLine.Vertices.ToList();
if (Vertices.Count == 4)
{
tempVertex.Reverse();
if (needRemoveVertex)
{
needAddVertex = false;
}
}
foreach (var insertVertex in tempVertex)
{
int count = Vertices.Count;
Vertices.Insert(count - 3, insertVertex);
MouseDownCount++;
}
if (needRemoveVertex)
{
Vertices.RemoveAt(Vertices.Count - 3);
Vertices.RemoveAt(Vertices.Count - 1);
MouseDownCount -= 2;
}
}
}
catch
{ }
}
private void GenerateResultLine(Vertex vertex1, Vertex vertex2, Collection <Vertex> vertices, bool needRemoveVertex = false)
{
LineShape line = new LineShape(vertices);
try
{
LineShape resultLine = GetLineOnALine(line, vertex1, vertex2, GeographyUnit);
if (resultLine != null && resultLine.Vertices.Count > 0)
{
if (!IsEqual(resultLine.Vertices[0].X, vertex1.X) || !IsEqual(resultLine.Vertices[0].Y, vertex1.Y))
{
resultLine.ReversePoints();
}
foreach (var insertVertex in resultLine.Vertices)
{
int count = Vertices.Count;
Vertices.Insert(count - 2, insertVertex);
MouseDownCount++;
}
if (needRemoveVertex)
{
Vertices.RemoveAt(Vertices.Count - 2);
Vertices.RemoveAt(Vertices.Count - 1);
MouseDownCount -= 2;
boundaryVertices.Clear();
boundaryVertices.Add(Vertices.First());
boundaryVertices.Add(Vertices.Last());
}
}
}
catch
{ }
}