C++ Programming : Program 15-A
Program to draw circles
#include <iostream.h> #include <conio.h> #include <graphics.h> #include <ctype.h> #include <stdlib.h> #include <stdio.h> void main() { clrscr(); int gd=DETECT,gm,errorcode; //Requesting auto-detection. //Initializing graphics and local variables. initgraph(&gd,&gm,"d:\\bc3\\bgi"); //Path where graphics drivers are installed //Reading result of initialization. errorcode=graphresult(); //An error occured. if (errorcode!=grOk) { cout << "Graphics error occured : \n" << grapherrormsg(errorcode) << endl; cout << "Press any key to stop : "; getch(); exit(1); } circle(200,200,50); //Drawing a circle having center(200,200) and radius(50). getch(); circle(300,203,40); //Drawing a circle having center(300,203) and radius(40). getch(); circle(500,303,80); //Drawing a circle having center(500,303) and radius(80). getch(); closegraph(); } This graphics program draws three circles on the screen.
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