a_dxf_file.cxx

Go to the documentation of this file.

/*
Copyright 2002-2011 Pierre SMARS (smars@yuntech.edu.tw)
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 of the License, 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, see <http://www.gnu.org/licenses/>.
*/
#include "a_dxf_file.h"
#include <fstream>
#include "a_dxf_group.h"
#include "a_dxf_entity.h"
#include "a_dxf_point.h"
#include "a_dxf_line.h"
 
a_dxf_file::a_dxf_file(std::string name)
{
        std::ifstream   ff(name.c_str());
        a_dxf_group     group(&ff);
        //loop through entitities
        a_dxf_point     point(&ff);
        a_dxf_line              line(&ff);
        a_dxf_entity   entity(&ff);
        while (group.read())
        {
                if (group.code() != 0) throw file_error();
                {
                        //read entity
                        if      (group.data_is("POINT")) point.read();
                        else if (group.data_is("LINE"))  line.read();
                        else                             entity.read();
                }
        }
        ff.close();
}
 
/*
a_dxf_file::a_dxf_file(std::string name)
{
        std::ifstream ff(name.c_str());
        a_dxf_group group(&ff);
        //find entities
        bool exist_entities = true;
        bool exist_entities = false;
        while (group.read())
        {
        //      group.write();
                if (group.data_is("ENTITIES"))
                {
                        exist_entities = true;
                        break;
                }
        }
        //loop through entitities
        if (exist_entities)
        {
                a_dxf_point     point(&ff);
                a_dxf_line              line(&ff);
                a_dxf_entity   entity(&ff);
                while (group.read())
                {
//                      group.write();
                        if (group.code() != 0) throw file_error();
                        {
                                //read entity
                                if (group.data_is("POINT")) point.read();
                                else if (group.data_is("LINE")) line.read();
                                else entity.read();
                        }
                }
        }
 
}
*/