imodel.h

См. документацию.

#pragma once
 
#include <memory>
#include "iprimitive.h"
#include "observable.h"
 
 
class IModel : public Observable {
 
  public:
    virtual ~IModel() = default;
 
    virtual void newModel() = 0;
 
    virtual void openModel(std::string&) = 0;
 
    virtual void saveModel() = 0;
 
    virtual void addPoint(const Point&) = 0;
 
    virtual void addLine(const Point&, const Point&) = 0;
 
    virtual void addCircle(const Point&, const int&) = 0;
 
    virtual void removeLast() = 0;
 
    virtual void draw(IPainterSptr) const = 0;
};
 
using IModelSptr = std::shared_ptr<IModel>;