Programming in C++, 2nd Edition

Programs Using Library Functions 853

restorecrtmode();

return 0;

}

Explanation: This program draws the rectangle using the given arguments. The setcolor() sets

the color of the rectangle.

7. Use of setviewport(), outtextxy() and setcolor():

22.9 Use setviewport(), outtextxy(), setcolor() , closegraph() and display some message

in 15 different colors.

#include<stdio.h>

#include<conio.h>

#include<iostream.h>

#include<graphics.h>

int main()

{

int gd =DETECT,gm,j;

initgraph(&gd,&gm,“c:\\tc\\bgi”);

char st[50];

clrscr();

setviewport(00,00,400,400,1);

outtextxy(10,10,“View port”);

for(j=1;j<=15;j++)

{

setcolor(j);

sprintf(st,“Existing Color ...