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#ifndef _KSURF_H
#define _KSURF_H
#include <cassert>
#include <cstdlib>
#include <iostream>
#include <bigrational.h>
#include <bigrational_vector.h>
#include <kratpoly.h>
#include <kpoint2d.h>
#include <kbox3d.h>
using namespace std;
class K_SOLID;
class K_SURF
{
friend class PT_SURF_ASSOC;
friend class K_PATCH;
friend class K_PARTITION;
friend class K_SOLID;
K_RATPOLY* Impl;
int Impl_ok;
K_RATPOLY* X;
K_RATPOLY* Y;
K_RATPOLY* Z;
K_RATPOLY* W;
int mon_ok;
unsigned long ref_count;
// stream
ostream& output(ostream&) const;
public:
// constructors, assignment and destructor
K_SURF();
K_SURF(const K_RATPOLY&);
K_SURF(K_RATPOLY* const,
K_RATPOLY* const, K_RATPOLY* const, K_RATPOLY* const,
K_RATPOLY* const);
K_SURF(const K_SURF&);
K_SURF& operator =(const K_SURF&);
~K_SURF();
// stream
friend ostream& operator <<(ostream&, const K_SURF&);
int Bezier_output(ostream&,
const bigrational&, const bigrational&,
const bigrational&, const bigrational&) const;
// other functions
// int param_to_coord(const bigrational& s, const bigrational& t,
// bigrational& x, bigrational& y, bigrational& z) const
// compute (x, y, z) =
// (X(s, t) / W(s, t), Y(s, t) / W(s, t), Z(s, t) / W(s, t)).
int param_to_coord(const bigrational&, const bigrational&,
bigrational&, bigrational&, bigrational&) const;
// int param_to_coord(const bigrational_vector& p,
// bigrational_vector& c) const
// compute
// c = (X(p) / W(p), Y(p) / W(p), Z(p) / W(p)).
int param_to_coord(const bigrational_vector&, bigrational_vector&) const;
K_BOX3D get_range(const bigrational&, const bigrational&,
const bigrational&, const bigrational&) const;
friend unsigned long get_all_int_pts(const K_RATPOLY&,
const K_SURF&, const K_SURF&,
K_POINT2D**&);
friend int match_pts(K_POINT2D** const, const unsigned long, K_SURF* const,
K_POINT2D** const, const unsigned long, K_SURF* const);
K_SURF split_surf(const bigrational&, const unsigned long) const;
// friend K_SOLID gen_new_solid(K_PARTITION**, const unsigned long,
// K_PARTITION**, const unsigned long);
friend K_SOLID gen_new_solid(K_PARTITION**, const unsigned long,
K_PARTITION**, const unsigned long,
const char);
friend int get_patch4(const bigrational_vector [4], K_PATCH*&);
friend K_SOLID gen_box(const bigrational_vector [], const unsigned long);
friend K_SOLID gen_cyl(const bigrational_vector&, const bigrational_vector&,
const bigrational_vector&, const bigrational_vector&,
const bigrational_vector&, const bigrational_vector&);
friend K_SOLID gen_ell(const bigrational_vector [4]);
friend K_SOLID gen_tor(const bigrational_vector&,
const bigrational_vector&,
const bigrational_vector&,
const bigrational_vector&,
const bigrational&, const bigrational&);
};
unsigned long get_plane_coeffs(const bigrational_vector&,
const bigrational_vector&,
const bigrational_vector&,
bigrational*&);
#endif
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