int NullCount(TEdge[] Input, out int Pos)
{
int Count = 0;
Pos = 0;
for (int i = 0; i < Input.Length; i++)
if (Input[i].edge_NameNode == null)
{
Pos = i;
Count++;
}
return Count;
}
void DrawName(TEdge Road, Brush brush)
{
int First, Second;
MyFont = new Font("Courier New", (float)(I2 / (x2p - x1p)), FontStyle.Bold);
FindMaxVectorCoords(Road.edge_Points, out First, out Second);
double x1 = Road.edge_Points[First].edge_x,
x2 = Road.edge_Points[Second].edge_x,
y1 = Road.edge_Points[First].edge_y,
y2 = Road.edge_Points[Second].edge_y;
double Angle = Math.Atan((y2 - y1) / (x2 - x1))/ 3.14 * 180;
int X = II(x1);
int Y = JJ(y1);
using (Graphics g = Graphics.FromImage(bitmap))
{
g.TranslateTransform(X, Y);
g.RotateTransform((int)Angle);
g.DrawString(Road.edge_NameEdge, MyFont, brush, 0, 0);
g.RotateTransform((int)-Angle);
g.TranslateTransform(-X, -Y);
}
}
void DrawEdge(TEdge Road)
{
using (Graphics g = Graphics.FromImage(bitmap))
{
Color MyColor = Road.edge_NameEdge == SelectEdge.edge_NameEdge ? Color.Red : Road.edge_Level == 0 ? Color.Silver : Road.edge_Level == 1 ? Color.Black : Color.Orange;
Pen MyPen = new Pen(MyColor);
int Length = Road.edge_Points.Count;
for (int i = 1; i < Length; i++)
{
g.DrawLine(MyPen, new Point(II(Road.edge_Points[i - 1].edge_x), JJ(Road.edge_Points[i - 1].edge_y)),
new Point(II(Road.edge_Points[i].edge_x), JJ(Road.edge_Points[i].edge_y)));
DrawAdditionalEdges(MyColor, Road.edge_Points[i - 1].edge_x, Road.edge_Points[i - 1].edge_y,
Road.edge_Points[i].edge_x, Road.edge_Points[i].edge_y, Road.edge_Rows - 1);
}
}
}
//Черная магия с удалением связей
public TEdge[] EdgeArrDeleted(TNode Node, string NeedToDelete)
{
TEdge[] Out = null;
if (Node.node_Edge != null && Node.node_Edge.Length != 1)
{
Out = new TEdge[Node.node_Edge.Length - 1];
int Length = Node.node_Edge.Length, Position = 0;
for (int i = 0; i < Length; i++)
if (Node.node_Edge[i].edge_NameNode != NeedToDelete)
Out[Position++] = Node.node_Edge[i];
int Pos = 0;
while (NullCount(Out, out Pos) != 0)
Out[Position++] = Node.node_Edge[Pos];
}
return Out;
}
//====================================================================== Примитивные операции с узлами и ребрами
public void AddEdge(int Level, int Count, out string Error)
{
Error = "";
SetEdge(SelectNode, SelectNodeBeg, Level, Count);
CurrentLine = new TEdge();
}
public void DeleteNode()
{
int n = -1;
bool ok = false;
int Ln = Nodes.Length;
while ((n < Ln - 1) && !ok)
ok = Nodes[++n] == SelectNode;
if (SelectNode.Edge != null)
{
Ln = SelectNode.Edge.Length;
for (int i = 0; i < Ln; i++)
{
int NumNode = ReturnNumber(SelectNode.Edge[i].nameNode);
int LN = Nodes[NumNode].Edge.Length;
TEdge[] New = new TEdge[LN - 1];
for (int k = 0; k < LN; k++)
if (ReturnNumber(Nodes[NumNode].Edge[k].nameNode) == n)
{
Nodes[NumNode].Edge[k] = new TEdge();
break;
}
int count = 0;
for (int l = 0; l < LN; l++)
if (Nodes[NumNode].Edge[l].nameNode != null)
{
New[count] = Nodes[NumNode].Edge[l];
count++;
}
Nodes[NumNode].Edge = New;
}
}
Nodes[n] = null;
SelectNode = null;
Ln = Nodes.Length;
TNode[] NewArr = new TNode[Ln - 1];
int Num = 0;
for (int i = 0; i < Ln; i++)
if (Nodes[i] != null)
NewArr[Num++] = Nodes[i];
Nodes = NewArr;
}