friend ostream &operator<<( ostream &output, Figure &f );

friend string &operator>>( string &line, Figure &f );

};

class Circle : public Figure {

public:

Circle();

Circle(float xCenter, float yCenter, float angle, float scaleFactor);

void show() override;

void hide() override;

void unHide() override;

void rotateBy(float angle) override;

void moveBy(float x, float y) override;

void input() override;

};

class Elipse : public Figure {

public:

Elipse();

Elipse(float xCenter, float yCenter, float angle, float scaleFactor);

void show() override;

void hide() override;

void unHide() override;

void rotateBy(float angle) override;

void moveBy(float x, float y) override;

void input() override;

};

class Programm {

private:

typedef deque<Figure*> MyCollection;

MyCollection* collection;

public:

void init();

void run();

void done();

void createCircle();

void createEllipse();

void showAllElements();

void showAllElements(deque<Figure*> *elements);

void deleteAllElements();

Figure* createCircleManually();

Figure* createEllipseManually();

int writeFigures(deque <Figure*> &figures);

int readFigures(deque <Figure*> &figures);

void save();

void load();

void sort();

void find();

void requestsMenu();

};

AdditionalSource.cpp:

#include "Header.h"