NAME:TEJAS J GHALSASI
DATE:29TH JULY 2013
TITLE:IMPLEMENTATION OF DDA LINE DRAWING ALGORITHM IN JAVA
*/
import java.applet.*;
import java.awt.*;
import java.util.*;
public class dda extends Applet
{
double x1,y1,x2,y2;
double dx,dy,steps,x,y,k;
Scanner sc=new Scanner(System.in);
double xc,yc;
public dda(){
System.out.println("ENTER X1 Y1");
x1=sc.nextDouble();
y1=sc.nextDouble();
System.out.println("ENTER X2 Y2");
x2=sc.nextDouble();
y2=sc.nextDouble();
}
public void paint(Graphics g)
{
try{
dx=x2-x1;
dy=y2-y1;
if(Math.abs(dx)>Math.abs(dy))
steps=Math.abs(dx);
else
steps=Math.abs(dy);
xc=(dx/steps);
yc=(dy/steps);
x=x1;
y=y1;
//CODED BY TEJAS GHALSASI
for(k=1;k<=steps;k++)
{
x=x+xc;
y=y+yc;
g.fillOval((int)x,(int)y,5,5);
}
}catch(Exception e){}
}
}
/*<applet code="dda.class" width="1000" height="1000">
</applet>*/
/*
OUTPUT:
bash-3.00$ javac dda.java
bash-3.00$ appletviewer dda.java
ENTER X1 Y1
500
200
ENTER X2 Y2
600
500
*/
