Polygon.hpp

#pragma once

#include <list>
#include <opencv2/core.hpp>
#include "Widget.hpp"
#include "Point.hpp"

namespace xv{

class Polygon : public Widget, public std::vector<Point>
{
public:
    static Polygon UNDEFINED;

#pragma region constructors

    Polygon();

    //Polygon(const std::list<Point>& v) : std::list<Point>(v){};
#pragma endregion constructors

    bool operator == (const Polygon &b) {
        if (this->m_undefined && b.m_undefined)
            return true;//if both are undefined they are considered equal
        return isEqual(*this, b);
    };

    bool operator != (const Polygon &b) {
        if (this->m_undefined && b.m_undefined)
            return false; //if both are undefined they are considered equal

        if (this->m_undefined == !b.m_undefined)
            return true; //opposite undefined state

        //compare as a gui_point_t_
        return !isEqual(*this, b);
    };

    virtual void setPosition(gui_point_t position);
private:
    void paint(const cv::Mat&);
    void paintAddPointButton(const Point&, const cv::Mat& image);
    void onMouseMove(const gui_point_t&);
    void onMouseDown(const gui_point_t&);
    void onMouseUp(const gui_point_t&);
    void setMouseOver(bool mouseOver);
    void defineContours();
    static bool isEqual(const Polygon&, const Polygon&);

    Point m_centerPoint;

    void setDefaultPoints();
    gui_point_t getMiddlePoint();
    void shiftPosition(gui_point_t);
};

}