G

G. L. Bajaj Institute of Technology & Management

Plot no. 2, Knowledge Park III, Greater Noida, UP-201308

DEPARTMENT OF COMPUTER SCIENCE & ENGINEERING

G. L. Bajaj Institute of Technology & Management

Greater Noida

Uttar Pradesh Technical University

Lucknow

G.L. Bajaj Institute of Technology & Management

B. Tech.

Computer Science & Engineering Department

(Session: 2014-15) ODD SEMESTER

Batch (2011-15)

THIRD YEAR (V SEMESTER)

COMPUTER GRAPHICS LAB FILE

Submitted to Submitted By

Mr. Abhishek Bansal Brij Bhushan Singh

(Asst. Professor) (1219210901)

CONTENTS

S.NO.

NAME OF THE PROGRAM

DATE

REMARKS

1

Implementation of line generation using Bresenhams Algorihtm.

2

Implementation of line generation using DDA.

3

Implementation of circle generation using Mid-point method.

4

Implementation of circle generation using Bresenhams algorithm.

5

Implementation of 2D transformation: Translation, Scaling, Rotation

6

Curve generation using B-spline.

7

Curve generation using bezier curve

8

Implementation of Line Clipping using Cohen-Sutherland algorithm.

9

Implementation of 3D geometric transformations: Translation

10

Implementation of any one of Back face removal algorithms such as Depth-Buffer algorithm

PROGRAM:1

OBJECTIVE:- Implementation of line generation using Bresenhams Algorihtm.

# include # include # include void main(){int dx,dy,x,y,p,x1,y1,x2,y2;int gd,gm;clrscr();printf("\n\n\tEnter the co-ordinates of first point : ");scanf("%d %d",&x1,&y1);printf("\n\n\tEnter the co-ordinates of second point : ");scanf("%d %d",&x2,&y2);dx = (x2 - x1);dy = (y2 - y1);p = 2 * (dy) - (dx);x = x1;y = y1;detectgraph(&gd,&gm);initgraph(&gd,&gm,"e:\\tc\\bgi");putpixel(x,y,WHITE);while(x =dy)

pixel=dx;

else

pixel=dy;

dx=dx/pixel;

dy=dy/pixel;

x=x1;

y=y1;

i=1;

while(i