Question

Write a program in c /c++ using open GL to draw a rectangle green color and inside the draw a circle of blue colour

Answer 1

Answer:

#include<stdio.h>

#include<conio.h>

#include<graphics.h>

#include<dos.h>

void main()

{

int gd=DETECT,gm;

initgraph(&gd,&gm,"C://TURBOC3//bgi");

int x = 250;

int y = 250;

int radius=100;

// setting border color

int border_color = WHITE;

// set color and pattern

setfillstyle(HATCH_FILL,RED);

// x and y is a position and radius is for radius of circle

circle(x,y,radius);

// fill the color at location (x, y) with in border color

floodfill(x,y,border_color);

getch();

// closegraph function closes the graphics mode and deallocates all memory allocated by graphics system

closegraph();

}

Explanation:

hope this will help u...