Inheritance

/* OUTPUT
... Draw ImageView ...
View::render
ImageView::render
... Draw Sprite ...
View::render
ImageView::render
Sprite::render
*/

////////// View ///////////////
class View{
public:
    void Render(){
        render();
    }
protected:
    virtual void render(){
        std::cout << "View::render" << std::endl;
    };
};
////////// ImageView ///////////////
class ImageView : public View{
public:
protected:
    virtual void render(){
        View::render();
        std::cout << "ImageView::render" << std::endl;
    }
};
////////// Sprite ///////////////
class Sprite : public ImageView{
public:
protected:
    virtual void render(){
        ImageView::render();
        std::cout << "Sprite::render" << std::endl;
    }
};
////////// Utility ///////////////
void Draw(View *vw){
    vw->Render();
}
////////// main ///////////////
int main(){

    std::cout << "... Draw ImageView ..." << std::endl;
    ImageView *imgvw = new ImageView;
    Draw(imgvw);
    delete imgvw;

    std::cout << "... Draw Sprite ..." << std::endl;
    Sprite *sp = new Sprite;
    Draw(sp);
    delete sp;

    return 0;
}