#pragma once #ifndef WIN32 // If this is not a Windows computer, read this file. // Code that extends Graph_lib for exercise 7. // Not relevant for Windows users. #include "Graph.h" namespace Graph_lib { // For a description of this class, refer to the exercise text. class Arc : public Graph_lib::Shape { public: Arc(Point center, int w, int h, int sd, int ed) : w{w}, h{h}, start_deg{sd}, end_deg{ed} { add(Point{center.x - w / 2, center.y - h / 2}); } void draw_lines() const override; void set_start(int d) { start_deg = d; } void set_end(int d) { end_deg = d; } void setw(int w) { this->w = w; } void seth(int h) { this->h = h; } private: int w; int h; int start_deg; int end_deg; }; } // namespace Graph_lib #endif