#include //conio.h
#include //stdio.h
#include graphics.h
void main()
{
int gd=DETECT,gm,x,y,i;
char ch;
float r;
int x1[5],x2[5];
initgraph(&gd,&gm,"e:\\tcpp\\bgi\\");
cleardevice();
x=getmaxx();
y=getmaxy();
window(0,0,getmaxx(),getmaxy());
setcolor(2);
setbkcolor(9);
back:
gotoxy(20,10);
outtextxy(x/3,y/4,"2D GEOMETRY");
setcolor(1);
outtextxy(x/4,y/3,"1.Point...");
outtextxy(x/4,y/3+15,"2.Line...");
outtextxy(x/4,y/3+30,"3.Circle...");
outtextxy(x/4,y/3+45,"4.Triangle...");
outtextxy(x/4,y/3+60,"5.Rectangle...");
outtextxy(x/4,y/3+90,"6.Exit...");
setcolor(3);
outtextxy(x/4-30,y/3+105,"Enter your Choice...");
ch=getche();
cleardevice();
setcolor(15);
line(x/2,0,x/2,y);
line(0,y/2,x,y/2);
outtextxy(x/2-10,y/2+10,"O");
outtextxy(x-10,y/2+10,"X");
outtextxy(x/2+10,10,"Y");
switch(ch)
{
case '1': printf("\nEnter the point:");
scanf("%d %d",&x1[0],&x2[0]);
setcolor(15);
setfillstyle(1,2);
circle(x/2+x1[0]*20,y/2-x2[0]*20,2);
floodfill(x/2+x1[0]*20,y/2-x2[0]*20,WHITE);
break;
case '2': printf("\nEnter the two points:");
for(i=0;i<2;i++)
{
scanf("%d %d",&x1[i],&x2[i]);
setcolor(15);
setfillstyle(1,2);
circle(x/2+x1[i]*20,y/2-x2[i]*20,2);
floodfill(x/2+x1[i]*20,y/2-x2[i]*20,WHITE);
}
line(x/2+x1[0]*20,y/2-x2[0]*20,x/2+x1[1]*20,y/2-x2[1]*20);
break;
case '3': printf("\nEnter the centre:");
scanf("%d %d",&x1[0],&x2[0]);
circle(x/2+x1[0]*20,y/2-x2[0]*20,2);
printf("Enter the radius");
scanf("%f",&r);
setcolor(15);
circle(x/2+20*x1[0],y/2-20*x2[0],20*r);
break;
case '4': printf("\nEnter the three points:");
for(i=0;i<3;i++)
{
scanf("%d %d",&x1[i],&x2[i]);
circle(x/2+x1[i]*20,y/2-x2[i]*20,1);
floodfill(x/2+x1[i]*20,y/2-x2[i]*20,WHITE);
}
line(x/2+x1[0]*20,y/2-x2[0]*20,x/2+x1[1]*20,y/2-x2[1]*20);
line(x/2+x1[1]*20,y/2-x2[1]*20,x/2+x1[2]*20,y/2-x2[2]*20);
line(x/2+x1[2]*20,y/2-x2[2]*20,x/2+x1[0]*20,y/2-x2[0]*20);
break;
case '5': printf("\nEnter the two diagonal points:");
for(i=0;i<2;i++)
{
scanf("%d %d",&x1[i],&x2[i]);
circle(x/2+x1[i]*20,y/2-x2[i]*20,1);
floodfill(x/2+x1[i]*20,y/2-x2[i]*20,WHITE);
}
rectangle(x/2+x1[0]*20,y/2-x2[0]*20,x/2+x1[1]*20,y/2-x2[1]*20);
break;
}
getch();
cleardevice();
if(ch!='6')
goto back;
}
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