BezierCubicCurve.hpp

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/* =========================================================== *
 * sf-svg (c) Kamil Koczurek | koczurekk@gmail.com          *
 * GNU GPL v3 License http://www.gnu.org/licenses/gpl-3.0.html *
 * =========================================================== */


#ifndef BEZIERCUBICCURVE_HPP
#define BEZIERCUBICCURVE_HPP
#include "BezierAbstractCurve.hpp"

namespace sfc {
    class BezierCubicCurve
    : public BezierAbstractCurve {
    private:
        sf::Vertex debugLines[6];

        sf::Vector2f m_beginControl;
        sf::Vector2f m_endControl;

        virtual void draw(sf::RenderTarget&, sf::RenderStates) const;

    protected:
        /* Commented in base class */
        virtual void calculateVeritces(std::vector<sf::Vector2f>&, const float, sf::Vertex*);

    public:
        enum PointType {
            BEGIN_CONTROL,

            END_CONTROL,

            BEGIN,

            END
        };

        BezierCubicCurve();

        BezierCubicCurve(const sf::Vector2f&, const sf::Vector2f&, const sf::Vector2f&, const sf::Vector2f&, DrawMode = DrawMode::NORMAL);

        /* Commented in base class */
        virtual Line2<float> getHelperLine(const float) const;

        /* Commented in base class */
        virtual sf::Vector2f getPoint(std::size_t) const;

        /* Commented in base class */
        virtual void update();

        void setPointPosition(PointType, sf::Vector2f);

        sf::Vector2f getPointPosition(PointType);

        Line2<float> getCubicHelperLine1(const float);

        Line2<float> getCubicHelperLine2(const float);
    };
}

#endif // BEZIERCUBICCURVE_HPP