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semester_2/programiranje_2/primeri/Example07/CPoint.cpp

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+#include <iostream>
+#include "CPoint.h"
+
+CPoint::CPoint() : Point(), color(0) {
+}
+
+CPoint::CPoint(int x, int y, int c) : Point(x, y), color(c) {
+}
+
+void CPoint::print() const {
+    //print();           // recursive call
+    //this->print();     // recursive call
+    Point::print();      // method call from the superclass Point
+    std::cout << "color=" << color << " " << std::endl;
+    //std::cout << "(" << x << " " << y << ") color=" << color << std::endl;  // we can't acceess to private members of the superclass
+    //std::cout << "(" << getX() << ", " << getY() << ") color=" << color << std::endl;
+}
+
+

semester_2/programiranje_2/primeri/Example07/CPoint.h

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+
+#ifndef EXAMPLE07_CPOINT_H
+#define EXAMPLE07_CPOINT_H
+#include "Point.h"
+
+class CPoint : public Point {
+private:
+    int color;
+public:
+    CPoint();
+    CPoint(int x, int y, int c);
+
+    void print() const;
+};
+
+#endif //EXAMPLE07_CPOINT_H

semester_2/programiranje_2/primeri/Example07/Point.cpp

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+
+#include <iostream>
+#include <cmath>
+#include "Point.h"
+
+Point::Point() : x(0), y(0) {
+}
+
+Point::Point (int x, int y) : x(x), y(y) {
+}
+
+int Point::getX() const {
+    return x;
+}
+
+int Point::getY() const {
+    return y;
+}
+
+void Point::print() const {
+    std::cout << "(" << x << ", " << y << ") " << std::endl;
+}
+
+double Point::distance(const Point& p) const {
+    return std::sqrt((double)(x - p.x)*(x - p.x)+(y - p.y)*(y - p.y));
+}

semester_2/programiranje_2/primeri/Example07/Point.h

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+#ifndef EXAMPLE07_POINT_H
+#define EXAMPLE07_POINT_H
+
+class Point {
+private:
+//protected:
+    int x, y;
+public:
+    Point();
+    Point (int x1, int y1);
+
+    int getX() const;
+    int getY() const;
+    void print() const;
+    double distance(const Point& p) const;
+};
+
+#endif //EXAMPLE07_POINT_H

semester_2/programiranje_2/primeri/Example07/main.cpp

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+#include <iostream>
+#include "CPoint.h"
+
+int main() {
+    Point p1(3,4);
+    Point p2;
+    CPoint c1;
+    CPoint c2(1,2,3);
+    CPoint c3(c2);
+
+    p1.print();
+    c1.print();
+    c2.print();
+    c3.print();
+    /*
+    std::cout << "-------------" << std::endl;
+    std::cout << p1.distance(p2) << std::endl;
+    std::cout << p1.distance(c2) << std::endl;
+    //std::cout << c1.distance(p1) << std::endl;
+    //std::cout << c2.distance(c1) << std::endl;
+    */
+    return 0;
+}