Circle.h

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#include "DataStructure.h"
#include "Symbol.h"
#include <vector>
 
using namespace std;
 
#ifndef  CIRCLE_H
 
#define CIRCLE_H
 
 
namespace bridges {
    namespace datastructure {
        class Circle : public Symbol {
            private:
 
                double center_x, center_y;
                double radius = 1.;
 
                virtual string getShapeType()  const override {
                    return "circle";
                }
 
 
            public:
 
                Circle () {
                    setCircle(0., 0., 1.);
                }
 
                Circle (double r) {
                    setCircle (0., 0., r);
                }
 
                Circle (double cx, double cy, double r) {
                    center_x = cx; center_y = cy;
                    if (r < 0.)
                        throw "Illegal value for radius. Must be positive";
                    radius = r;
                }
 
                double getRadius() {
                    return radius;
                }
                void setRadius(double r) {
                    if (r < 0.)
                        throw "Illegal value for radius. Must be positive";
                    radius = r;
                }
 
                void setCircle (double cx, double cy, double r) {
                  setCenter(cx,cy);
                    if (r < 0.)
                        throw "Illegal value for radius. Must be positive";
                    radius = r;
                }
                void setCenter (double cx, double cy) {
                    center_x = cx;
                    center_y = cy;
                }
 
          
          double getCenterX() const {
            return center_x;
          }
          double getCenterY() const {
            return center_y;
          }
          
                const string getSymbolRepresentation() const override {
 
                    string shape_json = getSymbolAttributeRepresentation();
 
                    shape_json +=
                        QUOTE + "center" + QUOTE + COLON + 
                        OPEN_BOX + 
                                to_string(center_x) + COMMA + to_string(center_y) +
                        CLOSE_BOX + COMMA +
                        QUOTE + "r" + QUOTE + COLON + to_string(radius) + CLOSE_CURLY;
 
                    return shape_json;
 
                }
        };
    }
} // namespace bridges
 
#endif