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Program of scaling about reference point

Posted By: Easy Tutor     Category: C++ Programming     Views: 8702

Write a program of scaling about reference point.

Code for Program of scaling about reference point in C++ Programming

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

char IncFlag;
int PolygonPoints[4][2] =

float Sx=0.5;
float Sy=2.0;

int RefX=55;
int RefY=55;
void PolyLine()
    int iCnt;
    for (iCnt=0; iCnt<4; iCnt++)

void Scale()
    int iCnt;
    int Tx,Ty;
    for (iCnt=0; iCnt<4; iCnt++)
        PolygonPoints[iCnt][0] *= Sx;
        PolygonPoints[iCnt][0] += (1-Sx)*RefX;
        PolygonPoints[iCnt][1] *= Sy;
        PolygonPoints[iCnt][1] += (1-Sy)*RefY;

void main()
    int gDriver = DETECT, gMode;
    int iCnt;
    initgraph(&gDriver, &gMode, "C:\\TC\\BGI");

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Easy Tutor
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