polygon.h

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#ifndef POLYGON_H
#define POLYGON_H


#include <jwsc++/config.h>

#include <iostream>
#include <vector>

#include <inttypes.h>

#include <jwsc/vector/vector.h>
#include <jwsc/matrix/matrix.h>

#include "jwsc++/base/cloneable.h"
#include "jwsc++/base/readable.h"
#include "jwsc++/base/writeable.h"
#include "jwsc++/base/exception.h"
#include "jwsc++/graphics/transformable.h"
#include "jwsc++/graphics/renderable.h"
#include "jwsc++/graphics/camera.h"


namespace jwscxx {
namespace graphics {


class Polygon_f : public jwscxx::base::Cloneable, 
                  public jwscxx::base::Readable, 
                  public jwscxx::base::Writeable, 
                  public Transformable_f, 
                  public Wire_renderable, 
                  public Wire_occlude_renderable,
                  public Solid_renderable
{
    public:

        Polygon_f();


        Polygon_f(uint32_t N);


        Polygon_f(const Polygon_f& p);


        Polygon_f(const char* fname) throw (jwscxx::base::Arg_error,
                jwscxx::base::IO_error);


        Polygon_f(std::istream& in) throw (jwscxx::base::Arg_error,
                jwscxx::base::IO_error);


        virtual ~Polygon_f();


        virtual Polygon_f& operator= (const Polygon_f& p);


        virtual Polygon_f* clone() const;


        virtual void read(std::istream& in) throw (jwscxx::base::IO_error,
                jwscxx::base::Arg_error);


        virtual void write(std::ostream& out) const
            throw (jwscxx::base::IO_error);


        virtual void transform(const jwsc::Matrix_f* M) 
            throw (jwscxx::base::Arg_error);

        
        virtual void wire_render() const;


        virtual void wire_occlude_render() const;

        
        virtual void wire_occluded_silhouette_render(std::vector<bool> & iVector, bool & iBool) const;


        virtual void solid_render() const;


        void add_point(jwsc::Vector_f* pt) throw (jwscxx::base::Arg_error);


        void add_point(float x, float y, float z) 
            throw (jwscxx::base::Arg_error);


        const jwsc::Vector_f* get_normal() const;


        const jwsc::Vector_f* get_centroid() const;


        size_t get_num_points() const;


        const jwsc::Vector_f* get_point(size_t i) const 
            throw (jwscxx::base::Arg_error);


        void flip_normal();


        void project();


        uint8_t is_visible(const Camera_f* camera) const;


        uint8_t is_visible_up_to_epsilon(const Camera_d* camera, float & epsilon) const;


        uint32_t get_id() const;


        void set_id(uint32_t id);


    protected:

        void update_normal();

        void update_centroid();


    protected:

        std::vector<jwsc::Vector_f*> pts;

        jwsc::Vector_f* normal;

        jwsc::Vector_f* centroid;

        uint8_t normal_flipped;

        uint32_t id;


    private:

        static uint32_t generate_id();

};


class Polygon_d : public jwscxx::base::Cloneable, 
                  public jwscxx::base::Readable, 
                  public jwscxx::base::Writeable, 
                  public Transformable_d, 
                  public Wire_renderable, 
                  public Wire_occlude_renderable,
                  public Solid_renderable
{
    public:

        Polygon_d();


        Polygon_d(uint32_t N);


        Polygon_d(const Polygon_d& p);


        Polygon_d(const char* fname) throw (jwscxx::base::Arg_error,
                jwscxx::base::IO_error);


        Polygon_d(std::istream& in) throw (jwscxx::base::Arg_error,
                jwscxx::base::IO_error);


        virtual ~Polygon_d();


        virtual Polygon_d& operator= (const Polygon_d& p);


        virtual Polygon_d* clone() const;


        virtual void read(std::istream& in) throw (jwscxx::base::IO_error,
                jwscxx::base::Arg_error);


        virtual void write(std::ostream& out) const
            throw (jwscxx::base::IO_error);


        virtual void transform(const jwsc::Matrix_d* M) 
            throw (jwscxx::base::Arg_error);

        
        virtual void wire_render() const;


        virtual void wire_occlude_render() const;

        virtual void wire_occluded_silhouette_render(std::vector<bool> & iVector, bool & iBool) const;


        virtual void solid_render() const;


        void add_point(jwsc::Vector_d* pt) throw (jwscxx::base::Arg_error);


        void add_point(double x, double y, double z) 
            throw (jwscxx::base::Arg_error);


        const jwsc::Vector_d* get_normal() const;


        const jwsc::Vector_d* get_centroid() const;


        size_t get_num_points() const;


        const jwsc::Vector_d* get_point(size_t i) const 
            throw (jwscxx::base::Arg_error);


        void flip_normal();


        void project();


        uint8_t is_visible(const Camera_d* camera) const;

     
        uint8_t is_visible_up_to_epsilon(const Camera_d* camera, double & epsilon) const;


        uint32_t get_id() const;


        void set_id(uint32_t id);


    protected:

        void update_normal();

        void update_centroid();


    protected:

        std::vector<jwsc::Vector_d*> pts;

        jwsc::Vector_d* normal;

        jwsc::Vector_d* centroid;

        uint8_t normal_flipped;

        uint32_t id;


    private:

        static uint32_t generate_id();

};


}}


#endif