C++ graphics programs:graphics.h programs

// A program for draw a line.

#include<iostream.h>

#include<conio.h>

#include<graphics.h>

#include<stdio.h>

void main()

{

                int x1,x2,y1,y2,y3;

                int gdriver,gmode;

                gdriver=DETECT;

                initgraph(&gdriver,&gmode,"c:\\tc\\bgi");

                char msg[5];

                gotoxy(18,25);

                cout<<"By Computer Science & Engineering Students)";

                cout<<"\n\t\t\tGuided BY - Shiv Shakti Sir";

                gotoxy(1,0);

                gotoxy(20,1);

                cout<<"****************** LINE ******************\n"<<endl;

                cout<<"Starting pixel cordinate : ";

                cin>>x1>>y1;

                cout<<"Ending pixel cordinate   : ";

                cin>>x2>>y2;

                y3=y2;

                line(x1,y1,x2,y2);

                sprintf(msg," (%d,%d)", x1, y1);

                outtextxy(x1,y1,msg);

                sprintf(msg," (%d,%d)", x2, y3);

                outtextxy(x2,y3,msg);

                getch();

                closegraph();

}

// A program for draw rectangle.

#include<iostream.h>

#include<conio.h>

#include<graphics.h>

#include<stdio.h>

void main()

{

                int x1,y1,width,length;

                int gdriver=DETECT,gmode;

                initgraph(&gdriver,&gmode,"c:\\tc\\bgi");

                setbkcolor(1);

                setcolor(4);

                char msg[5];

                gotoxy(18,25);

                cout<<"By Computer Science & Engineering Students)";

                cout<<"\n\t\t\tGuided BY - Shiv Shakti Sir";

                gotoxy(1,0);

                gotoxy(16,1);

                cout<<"****************** RECTANGLE ******************\n"<<endl;

                cout<<"Sarting cordinate : ";

                cin>>x1>>y1;

                cout<<"Put the length(in pixel) : ";

                cin>>length;

                cout<<"Put the width(in pixel)  : ";

                cin>>width;

                line(x1,y1,x1+length,y1);

                line(x1+length,y1,x1+length,y1+width);

                line(x1+length,y1+width,x1,y1+width);

                line(x1,y1+width,x1,y1);

                getch();

                closegraph();

}

// Ex: starting point (170,120), length (300), width (100).