Done Finally by Matrix style

Practical-6 || CG || 2D Transformations.cpp

#include <stdio.h>
#include <iostream.h>
#include <conio.h>
#include <math.h>
#include <stdlib.h>
#include <dos.h>
#include <graphics.h>

//!global Variables
int arr[2][2], scale[2][2], rotationAngle, shearx[2][2], shearY[2][2];
int arrref[2][2], radiusref;

//!The Function prototyping

//!Axis Plotting
void axis()
{
    //!box Plot
    line(0, 0, 400, 0);
    line(0, 0, 0, 400);
    line(0, 400, 400, 400);
    line(400, 0, 400, 400);
    //?Axis plot
    line(200, 0, 200, 400);
    line(0, 200, 400, 200);
}
//!done by matrix
void transform()
{

    cout << "\n2D Translation";
    cout << "\nEnter the Translation parameters (tx ,ty) : ";
    cin >> arr[1][0];
    cin >> arr[1][1];
    //todo Transformations
    //!Translation
    arr[1][0] = arr[1][0] + arr[0][0];
    arr[1][1] = arr[1][1] + arr[1][0];
    putpixel(arr[0][0], arr[1][0], 15);
    line(arr[0][0], arr[1][0], arr[1][0], arr[1][1]);
    getch();
    cleardevice();
}
//!done by matrix
void Scaling()
{

    cout << "\n2D Scaling Transformations";

    cout << "\nA Ellipse will be plotted with center as (X,Y)\n";
    cout << "\nEnter the Rx and Ry : ";
    cin >> arr[0][1];
    cin >> arr[1][1];
    int start_angle = 0;
    int end_angle = 360;
    scale[0][0] = 1; // sx = 1 initially
    scale[1][1] = 1; //sy = 1;
    ellipse(arr[0][0], arr[1][0], start_angle, end_angle, scale[0][0] * arr[0][1], scale[1][1] * arr[1][1]);
    getch();
    cout << "\nEnter the Scaling parameters (Sx ,Sy) : ";
    cin >> scale[0][0];
    cin >> scale[1][1];
    ellipse(arr[0][0], arr[1][0], start_angle, end_angle, scale[0][0] * arr[0][1], scale[1][1] * arr[1][1]);
    getch();
    cleardevice();
}
//!done by matrix
void Rotation()
{
    cout << "\n2D Rotation Transformations";
    getch();
    cout << "\nThis is the line from (0,0) to (X,Y) : ";
    line(0, 0, arr[0][0], arr[1][0]);
    getch();
    cout << "\nEnter the Roation Angle (Degrees Clockwise Rotation): ";
    cin >> rotationAngle;
    double radiansRotationAngle = (3.142 * rotationAngle) / 180;
    arr[0][1] = arr[0][0] * cos(radiansRotationAngle) - arr[1][0] * sin(radiansRotationAngle);
    arr[1][1] = arr[0][0] * sin(radiansRotationAngle) + arr[1][0] * cos(radiansRotationAngle);
    cout << "\nThis is the rotated line : ";
    line(0, 0, arr[0][1], arr[1][1]);
    getch();
    cleardevice();
}
//!done matrix
void Shear()
{
    cout << "\n2D Shear Transformations";
    getch();
    cout << "\nEnter the Shear Parameters (Shear x , Shear y): ";
    cin >> shearX[0][1];
    cin >> shearY[1][0];

    cleardevice();
    cout << "\nX Shear";
    //!Old Square
    line(0, 0, arr[0][0], 0);
    line(0, 0, 0, arr[0][1]);
    line(arr[0][0], 0, arr[0][0], arr[0][1]);
    line(0, arr[0][1], arr[0][0], arr[0][1]);
    getch();
    cleardevice();
    //!X Shear Sqaure
    line(0, 0, arr[0][0], 0);
    line(arr[0][0], 0, arr[0][0] + shearX[0][1], arr[0][1]);
    line(shearX[0][1], arr[0][1], arr[0][0] + shearX[0][1], arr[0][1]);
    line(0, 0, shearX[0][1], arr[0][1]);
    getch();
    cleardevice();
    cout << "\nY Shear";
    //!Old Square
    line(0, 0, arr[0][0], 0);
    line(0, 0, 0, arr[0][1]);
    line(arr[0][0], 0, arr[0][0], arr[0][1]);
    line(0, arr[0][1], arr[0][0], arr[0][1]);
    getch();
    cleardevice();
    //!Y Shear Sqaure
    line(0, 0, 0, arr[0][1]);
    line(0, arr[0][1]), arr[0][0], arr[0][1] + shearY[1][0]);
    line(0, 0, arr[0][0], shearY[1][0]);
    line(arr[0][0], shearY[1][0], arr[0][0], arr[0][1] + shearY[1][0]);
    getch();
}
void Reflection()
{
    cleardevice();

    cout << "\nEnter the X AND Y Coordinates : ";
    cin >> arrref[0][0];
    cin >> arrref[0][1];
    cout << "Enter the Radius : ";
    cin >> radiusref;
    cleardevice();
    //!Axis
    axis();

    //!Initial Circle
    circle(200 + arrref[0][0], 200 - arrref[0][1], radiusref);
    getch();

    //!2nd Quadrant Circle
    circle(200 - arrref[0][0], 200 - arrref[0][1], radiusref);
    getch();

    //!3rd Quadrant Circle
    circle(200 - arrref[0][0], 200 + arrref[0][1], radiusref);
    getch();

    //!4th Quadrant Circle
    circle(200 + arrref[0][0], 200 + arrref[0][1], radiusref);
    getch();
}
void main()
{
    clrscr();
    int gd = DETECT, gm;
    initgraph(&gd, &gm, "C:\\TURBOC3\\BGI");
    cleardevice();
    cout << "Enter the Initial Coordiantes ( X , Y ) :";

    cin >> arr[0][0];
    cin >> arr[1][0];
    cout << " \n*(IMP:: We will Use this X and Y throughout this program ) ";
    getch();
    cleardevice();

    //!2D Transformations (Done)
    transform();
    //!2D Scaling Trans formations (Done)
    Scaling();

    //!2D Rotation Transforamtion (Done)
    Rotation();

    //!2D Shear Transformations (Done)
    Shear();

    //!2D Reflection
    Reflection();

    closegraph();
}

K reflection me Teen hi karne the so done dana done done