connect.h

模糊聚类的算法实现程序

//**************************************************************
//*   filename: connect.h                                      *
//*                                                            *
//**************************************************************
//* programmed by: Thomas Wagner                               *
//* last change:  (XXX: not updated)                           *
//**************************************************************
#include <stdio.h>
#include <stdlib.h>
#include <X11/Xlib.h>

#define STARTPOINT 0
#define ENDPOINT   1

#ifndef CONNECT_H
#define CONNECT_H
class Connection;
class Connectlist;

#include "moveicon.h"
#include "mainwindow.h"

#define ARROWWIDTH       10
#define ARROWPOINTNUMBER  3

#define CONNECTSTATUS_INVISIBLE    0
#define CONNECTSTATUS_VISIBLE  (1<<0)

class Connection
{
  friend class Connectlist;
    protected:
    MainWindow * mainwindow;
  GC gc;
  Display *display;
  XPoint Points[4];
  char status;
  MoveableIcon *Start, *End;

    public:
    Connection (Display * initdisplay,
		GC initgc,
		MainWindow * parentwindow,
		short startx, short starty,
		short endx, short endy);
    virtual ~ Connection ();
  void SetStatus (char newstatus) {
    status = newstatus;
  } char GetStatus () {
    return status;
  } MoveableIcon *GetStartIcon ();
  MoveableIcon *GetEndIcon ();
  void SetStartIcon (MoveableIcon * Starticon) {
    Start = Starticon;
  } void SetEndIcon (MoveableIcon * Endicon) {
    End = Endicon;
  } void SendActiontoStart (int actionnumber, int value);
  void SendActiontoEnd (int actionnumber, int value);
  void SetStart (short x, short y);
  void SetEnd (short x, short y);
  short GetStartx () {
    return Points[0].x;
  } short GetStarty () {
    return Points[0].y;
  } short GetEndx () {
    return Points[2].x;
  } short GetEndy () {
    return Points[2].y;
  } void MoveStart (short x, short y);
  void MoveEnd (short x, short y);
  void DrawArrow ();
  void EraseArrow ();
  void ErasetempArrow ();
  void DrawtempArrow ();
  void DrawtempArrow (short startx, short starty, short endx, short endy) {
    SetStart (startx, starty);
    DrawtempArrow (endx, endy);
  } void DrawtempArrow (short endx, short endy);
    protected:
  double CalculateDistance (int x, int y, char *pointtyp);
};

class Connectlist
{
  protected:
  Connectlist * Next;
  Connectlist *Previous;
  Connection *connection;
  Connectlist *first;
    public:
    Connectlist ();

  // delete full list with all connections
   ~Connectlist ();
  void DrawAllArrow ();
  Connectlist *GetNext () {
    return Next;
  } Connection *FindnearestConnection (int x, int y, char *pointtyp);
  Connection *FindnearestConnection (int x, int y) {
    char dummy;
      return (FindnearestConnection (x, y, &dummy));
  } Connection *GetConnection () {
    return connection;
  } char ConnectionExists (MoveableIcon * starticon,
			   MoveableIcon * endicon);
  void operator += (Connection * nextconnection);
  void operator -= (Connection * delconnection);
  void SendActiontoallEnds (int actionnumber, int value);
};

#endif