Untitled

drawing.cpp

#include "drawing.h"
#include "point.h"
#include "polygon.h"
#include <iostream>
#include "shape.h"

using namespace std;

Drawing::Drawing()
{

}

Drawing::~Drawing()
{
    for (auto val : this->shapes)
        delete val;
}

void Drawing::AddPoint(Point *point)
{
    this->shapes.push_back(new Point(*point));

}

void Drawing::AddPolygon(Polygon *polygon)
{
    this->shapes.push_back(new Polygon(*polygon));
}

void Drawing::ShowDrawing(void)
{
    for (auto val: this->shapes)
    {
        val->ShowShape();
        cout << endl;
    }
}

void Drawing::MoveByX(int x)
{
    for (auto shape : this->shapes)
    {
        IMove *ptr = dynamic_cast<IMove *>(shape);
        ptr->MoveX(x);
    }
}
void Drawing::MoveByXY(int x, int y)
{
    for (auto shape : this->shapes)
    {
        IMove *ptr = dynamic_cast<IMove *>(shape);
        ptr->Move(x, y);
    }
}
void Drawing::MoveByY(int y)
{
    for (auto shape : this->shapes)
    {
        IMove *ptr = dynamic_cast<IMove *>(shape);
        ptr->MoveY(y);
    }
}

Shape &Drawing::operator[](int index)
{
    return *this->shapes[index];
}

/////////////////////////////////////////////////////////////
main.cpp
#include "point.h"
#include "polygon.h"
#include "drawing.h"
#include "shape.h"

#include <iostream>
using namespace std;

int main()
{
    Point pt1(100, 100);
    Point pt2(200, 200);
    Point pt3(300, 300);

    Polygon poly1(&pt1, &pt2, &pt3);

    Drawing drawing;

    drawing.AddPoint(&pt1);
    drawing.AddPoint(&pt2);
    drawing.AddPoint(&pt3);

    drawing.AddPolygon(&poly1);
 
    // Now perform operation on the object
    // Get a shape from the drawing
    Shape &myShape = drawing[2];
    // Move that Shape
    IMove *ptr = dynamic_cast<IMove *> (&myShape);
    ptr->Move(10, 30);
    IRotate *sPtr = dynamic_cast<IRotate *>(ptr);
    if (sPtr == nullptr)
    {
        cout << "IROTATE Interface is not implemented" << endl;
    }
    else 
    {
        cout << "Rotating SHAPE: ";
        sPtr->Rotate(100);
        cout << endl;
    }
    drawing.ShowDrawing();
}
////////////////////////
shape.h
#pragma once
#include <iostream>

struct IMove {
    virtual void Move(int x, int y) = 0;
    virtual void MoveX(int x) = 0;
    virtual void MoveY(int y) = 0;
};

struct IRotate {
    virtual void Rotate(int angle) = 0;
    virtual void Rotate3D(int x, int y, int z) = 0;
};

struct Shape 
{
    virtual void ShowShape(void) = 0;
};