program to perform Scaling Transformation of a figure wth respect to fixed point.

#include"z:\headr.h"
#include<iostream.h>

#include<graphics.h>
#include<conio.h>

int v[3][3];

int r[3][3]; 
int d[3][3];

int vd[3][3];

int vt[3][3];

void main()

{

    int gd = DETECT, gm;

    initgraph(&gd, &gm, "");

    vm(v);

    tdsp(v);

    getch();

  // SCALING WITH RESPECT TO A POINT

     setcolor(4);

    trans( - v[0][0],  - v[0][1], vt);

    scale(2,2,r);

    matmul(vt, r, vd);

    matmul(vd, v, d);

    tdsp(d);

    getch();

    closegraph();
 }                             

                        

OUTPUT