#include<iostream.h>
#include<math.h>
#include<graphics.h>
#include<stdlib.h>
#include<conio.h>
class dline
{
private:
int x1,y1,x2,y2,x0,y0,style;
public:
dline()
{
x1=0;
y1=0;
x2=0;
y2=0;
x0=0;
y0=0;
}
void setoff(int x,int y) 190 more words