Design-Pattern-and-Containers/adapter.hpp at master · Panda-Lewandowski/Design-Pattern-and-Containers · GitHub

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#ifndef ADAPTER_HPP
#define ADAPTER_HPP

// Я, кажись, так писала:

class Shape {
public:
    Shape();
    virtual void BoundingBox(Point& bottomLeft, Point& topRight) const;
    virtual Manipulator* CreateManipulator() const;
};

class TextView {
public:
    TextView();
    void GetOrigin(Coord& x, Coord& y) const;
    void GetExtent(Coord& width, Coord& height) const;
    virtual bool IsEmpty() const;
};

class TextShape : public Shape {
public:
    TextShape(TextView*);
    virtual void BoundingBox(Point& bottomLeft, Point& topRight) const;
    virtual bool IsEmpty() const;
    virtual Manipulator* CreateManipulator() const;
private:
    TextView* _text;
};

TextShape::TextShape (TextView* t) {
    _text = t;
}

void TextShape::BoundingBox (Point& bottomLeft, Point& topRight) const {
    Coord bottom, left, width, height;

    _text->GetOrigin(bottom, left);
    _text->GetExtent(width, height);

    bottomLeft = Point(bottom, left);
    topRight = Point(bottom + height, left + width);
}

bool TextShape::IsEmpty () const {
    return _text->IsEmpty();
}

Manipulator* TextShape::CreateManipulator () const {
    return new TextManipulator(this);
}

#endif // ADAPTER_HPP