30. SCALING (2-D TRANSFORMATION)

Code:

import java.awt.*;

import java.applet.*;

import java.math.*;

public class Scale extends Applet

{

public void paint(Graphics g)

{

g.drawLine(100,150,100,250);

g.drawLine(100,150,250,250);

g.drawLine(100,250,250,250);

int a[][]=new int[3][3];

int b[][]=new int[3][3];

int c[][]=new int[3][3];

int i,j,k;

a[0][0]=2;

a[0][1]=0;

a[0][2]=0;

a[1][0]=0;

a[1][1]=2;

a[1][2]=0;

a[2][0]=0;

a[2][1]=0;

a[2][2]=1;

b[0][0]=100;

b[0][1]=100;

b[0][2]=250;

b[1][0]=150;

b[1][1]=250;

b[1][2]=250;

b[2][0]=1;

b[2][1]=1;

b[2][2]=1;

for(i=0;i<3;i++)

for(j=0;j<3;j++)

{

c[i][j]=0;

for(k=0;k<3;k++)

{

c[i][j]=(c[i][j]+(a[i][k]*b[k][j]));

}

System.out.println();

}

g.drawLine(c[0][0],c[1][0],c[0][1],c[1][1]);

g.drawLine(c[0][1],c[1][1],c[0][2],c[1][2]);

g.drawLine(c[0][0],c[1][0], c[0][2],c[1][2]);

}}

/*<applet code="Scale.class" width="800" height="800">

 </applet>*/

OUTPUT:

Need the code??

Download Link= https://www.dropbox.com/s/wxn2hzhu9dgbq97/Scaling-final.docx