drawmap1.cpp

在LINUX下实现路径规划的程序中的主菜单界面的编辑程序。

#include <qapplication.h>
#include <qpainter.h>
#include<qstring.h>
#include <stdio.h>
#include<qscrollview.h>
#include<qtextcodec.h>
#include<qfont.h>
#include "drawmap1.h"
//#include "WayPoint.h"
//#include "AStar.h"
#include <iostream.h>

struct data
{
 int a;
 int b;
}data;

int startid;
int endid;

Routemap::Routemap(QWidget *parent,const char *name)
       :QWidget(parent,name)
{ 
    cout<<startid<<endl<<endid<<endl;
    setBackgroundColor(QColor(222,225,186));    
    setFixedSize(1500,1800);
    TPinfo.ReadWayPointFile("TuoPu.txt");
    GHpath.InitNodeByWayPoint(&TPinfo);
    GHpath.FindPath(startid,endid,&TPinfo);

}
void Routemap::paintEvent(QPaintEvent *)
{ 
   FILE *fd;
  // char code;
  char st[20];
   int FromNode,ToNode,num,i;
   int x,y; 
  // CWayPoint TPinfo;
  // CAStar GHpath;
  // TPinfo.ReadWayPointFile("TuoPu.txt");
  // GHpath.InitNodeByWayPoint(&TPinfo);
  // GHpath.FindPath(800,1000,&TPinfo);
   QPainter p(this);
  // p.setPen(QPen(QColor(2,142,188),1,SolidLine));
   if((fd=fopen("RoadCd.txt","r"))!=NULL)
   {
     while(fscanf(fd,"%d %d %d\n",&FromNode,&ToNode,&num)==3)
     {
      fscanf(fd,"%d %d\n",&x,&y);
      data.a=2*500*(x - 120081078)/167662;
      data.b=2*600*(30374923 - y)/(30374923 - 30171339);
     for(i=GHpath.PathPointCount;i>1;i--)
     {
      if(((FromNode==GHpath.PathList[i-1])&&(ToNode==GHpath.PathList[i-2]))||((ToNode==GHpath.PathList[i-1])&&(FromNode==GHpath.PathList[i-2])))
      {
       p.setPen(QPen(QColor(0,0,0),3,SolidLine));
       break;
      }
      else
       p.setPen(QPen(QColor(2,142,188),1,SolidLine));
     }
      p.moveTo(data.a,data.b);
      for(i=1;i<num;i++)
      {
       fscanf(fd,"%d %d\n",&x,&y);
       data.a=2*500*(x - 120081078)/167662;
       data.b=2*600*(30374923 - y)/(30374923 - 30171339);
       p.lineTo(data.a,data.b);
      }
     }
   }
   fclose(fd);  
   if((fd=fopen("RoadCdCyc.txt","r"))!=NULL)
   {
    while(fscanf(fd,"%d %d %d\n",&FromNode,&ToNode,&num)==3)
    {
     fscanf(fd,"%d %d\n",&x,&y);
     data.a=2*500*(x - 120081078)/167662;
     data.b=2*600*(30374923 - y)/(30374923 - 30171339);
     p.setPen(QPen(QColor(2,142,188),1,SolidLine));
     p.moveTo(data.a,data.b);
     for(i=1;i<num;i++)
      {
       fscanf(fd,"%d %d\n",&x,&y);
       data.a=2*500*(x - 120081078)/167662;
       data.b=2*600*(30374923 - y)/(30374923 - 30171339);
       p.lineTo(data.a,data.b);
      }
     }
    }
    fclose(fd);
 
if((fd=fopen("poi.txt","r"))!=NULL)
   {
    while(fscanf(fd,"%d %d %s\n",&x,&y,st)==3)
    {
     p.setPen(QColor(0,0,0));
     p.setBrush(QColor("black"));
     data.a=(int)(2*500*(x-120081078)/167662);
     data.b=(int)(2*600*(30374923-y)/(30374923-30171339));
     p.drawEllipse(data.a,data.b,5,5);
     QTextCodec *codec = QTextCodec::codecForName("GBK");
     QString s1 = codec->toUnicode (st)  ;
    // p.translate(data.a,data.b);
    // p.rotate(an);
     p.drawText(data.a,data.b,s1);
    // p.rotate(-an);
    // p.translate(-data.a,-data.b); 
    }
   }
fclose(fd);
}