a_dxf_point.cxx

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/*
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_point.h"
#include "a_dxf_group.h"
 
//---------------------------------------------------------------------------
a_dxf_point::a_dxf_point(std::istream * file) : a_dxf_entity(file)
{
        x_ok = false;   y_ok = false;   z_ok = false;
}
//---------------------------------------------------------------------------
bool a_dxf_point::read()
{
        a_dxf_group group(file_);
        layer_ = "0";
        for (;;)
        {
                group.read();
                if (group.code()==8)
                        layer_ = group.data();
                if (group.code()==10) 
                {
                        x_ = group.data_double();
                        x_ok = true;
                }
                if (group.code()==20)
                {
                        y_ = group.data_double();
                        y_ok = true;
                }
                if (group.code()==30)
                {
                        z_ = group.data_double();
                        z_ok = true;
                }
                if (group.code()==0)
                        break;
        }
        group.putback();
        if (x_ok && y_ok && z_ok)
                return true;
        else
                return false;
}