/*
 *  Copyright (C) 2003 Christian Zeller
 *  Copyright (C) 2003 Christian Meyer
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2, or (at your option)
 *  any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#include "constraint.h"

using namespace Ped;

/*
Constraint::Constraint() {
}
*/

Constraint::Constraint(Alignment& start_align, Alignment& end_align,
                       Geometry& start_range, Geometry& end_range,
                       Sector min_size, Sector max_size)
{
    constraint_ = ped_constraint_new (start_align.get_c_alignment(),
                                      end_align.get_c_alignment(),
                                      start_range.get_c_geometry(),
                                      end_range.get_c_geometry(),
                                      min_size, max_size);

    ped_constraint_init (constraint_, start_align.get_c_alignment(),
                                      end_align.get_c_alignment(),
                                      start_range.get_c_geometry(),
                                      end_range.get_c_geometry(),
                                      min_size, max_size);
    this->startrange = start_range;
    this->endrange   = end_range;
    this->start_align = start_align;
    this->end_align   = end_align;
    this->min_size    = min_size;
    this->max_size    = max_size;
}

/*
Constraint::Constraint(Geometry& min, Geometry& max) {
    constraint_ = ped_constraint_new_from_min_max(min.get_c_geometry(),
                                                  max.get_c_geometry());
    this->start_range = start_range;
    this->end_range   = end_range;
    this->start_align = start_align;
    this->end_align   = end_align;
    this->min_size    = min_size;
    this->max_size    = max_size;
}

Constraint::Constraint(Geometry& minmax, bool isMin) {
    if (isMin) {
        constraint_ = ped_constraint_new_from_min(minmax.get_c_geometry());
    } else {
        constraint_ = ped_constraint_new_from_max(minmax.get_c_geometry());
    }
}
*/

Constraint::~Constraint() {
    if (constraint_) {
        ped_constraint_done(constraint_);
        ped_constraint_destroy(constraint_);
    }
}
/*
Constraint& Constraint::duplicate() {
    Constraint& constraint = * new Constraint();
    constraint.set_c_constraint(ped_constraint_duplicate(constraint_));
    return constraint;
}
*/
Constraint& Constraint::intersect(Constraint& a) {
    /*
    Constraint& constraint = * new Constraint();
    constraint.set_c_constraint(ped_constraint_intersect(constraint_, a.get_c_constraint()));
    return constraint;
    */
    PedConstraint *constr  = ped_constraint_intersect(constraint_,
                                                      a.get_c_constraint());
    Geometry  &start_range = * new Geometry(a.start_range.device,
                                            constr->start_range->start,
                                            constr->start_range->length);
    Geometry  &end_range   = * new Geometry(a.end_range.device,
                                            constr->end_range->end,
                                            constr->end_range->length);
    Alignment &start_align = * new Alignment(constr->start_range->start,
                                             constr->start_range->length); // FIXME
    Alignment &end_align   = * new Alignment(constr->end_range->end,
                                             constr->end_range->length); // FIXME
    return ( * new Constraint(start_align, end_align, start_range, end_range,
                              min_size, max_size) );
}

Geometry& Constraint::solve_max() {
    Geometry& geometry = * new Geometry();
    geometry.set_c_geometry(ped_constraint_solve_max(constraint_));
    return geometry;
}

Geometry& Constraint::solve_nearest(Geometry& geom) {
    Geometry& geometry = * new Geometry();
    geometry.set_c_geometry(ped_constraint_solve_nearest(constraint_, geom.get_c_geometry()));
    return geometry;
}

bool Constraint::is_solution(Geometry& geom) {
    return ped_constraint_is_solution(constraint_, geom.get_c_geometry());
}

/* vim: set tabstop=4 et shiftwidth=4: */