Desktop/sourceforge/geometria/src/kernel/kernel_fassade.cpp

Go to the documentation of this file.

/*
This file is part of geometria.

geometria 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 of the License, 
or (at your option) any later version.

geometria 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 geometria; if not, write to the Free Software 
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA

(c) Philipp Moritz, 2006
*/

#include "kernel_fassade.hpp"

kernel_fassade::kernel_fassade(void)
{
}

kernel_fassade::~kernel_fassade(void)
{
}

void kernel_fassade::add_point(boost::shared_ptr<geo_point> point)
{
        m_points.push_back(point);
}

void kernel_fassade::add_line(boost::shared_ptr<geo_line> line)
{
        m_lines.push_back(line);
}

void kernel_fassade::draw_all(boost::shared_ptr<drawing_context> context)
{
        typedef std::list<geo_point_ref>::iterator LI_P;
        for(LI_P iter = m_points.begin();iter != m_points.end();++iter)
        {
                (**iter).draw(context);
        }

        typedef std::list<geo_line_ref>::iterator LI_L;
        for(LI_L iter = m_lines.begin();iter != m_lines.end();++iter)
        {
                (**iter).draw(context);
        }
}

kernel_fassade& kernel_fassade::get_instance()
{
        static kernel_fassade fas;
        return fas;
}

geo_point_ref kernel_fassade::get_point_at(double x, double y)
{
        const double scale = 10;
        const double tollerance = 1.5;
        x /= scale; y /= scale;

        typedef std::list<geo_point_ref>::iterator LI_P;
        for(LI_P iter = m_points.begin();iter != m_points.end();++iter)
        {
                point p = (**iter).get_point();
                if((p.get_x() + tollerance > x && p.get_x() - tollerance < x) && 
                        (p.get_y() + tollerance > y && p.get_y() - tollerance < y))
                {
                        return *iter;
                }
        }
        return geo_point_ref();
}

---