//
//  Copyright (C) : Please refer to the COPYRIGHT file distributed 
//   with this source distribution. 
//
//  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, write to the Free Software
//  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
//
///////////////////////////////////////////////////////////////////////////////

# include "TextStrokeRenderer.h"
# include "Canvas.h"
# include "StrokeIterators.h"

TextStrokeRenderer::TextStrokeRenderer(const char* iFileName)
:StrokeRenderer(){
  if(!iFileName)
    iFileName = "freestyle.txt";
  // open the stream:
  _ofstream.open(iFileName, ios::out);
  if(!_ofstream.is_open()){
    cerr << "couldn't open the output file " << iFileName << endl;
  }
  _ofstream << "%!FREESTYLE" << endl;
  _ofstream << "%Creator: Freestyle (http://artis.imag.fr/Software/Freestyle)" << endl;
  // Bounding box
  _ofstream << 0 << " "<< 0 << " " << Canvas::getInstance()->width() << " " << Canvas::getInstance()->height() << endl;
  _ofstream << "%u x y z tleft tright r g b ..." << endl;
}

TextStrokeRenderer::~TextStrokeRenderer(){
  Close();
}

void TextStrokeRenderer::RenderStrokeRep(StrokeRep *iStrokeRep) const{
  RenderStrokeRepBasic(iStrokeRep);
}

void TextStrokeRenderer::RenderStrokeRepBasic(StrokeRep *iStrokeRep) const{
  Stroke *stroke = iStrokeRep->getStroke();
  if(!stroke){
    cerr << "no stroke associated with Rep" << endl;
    return;
  }
    
  StrokeInternal::StrokeVertexIterator v = stroke->strokeVerticesBegin();
  StrokeAttribute att;
  while(!v.isEnd()){
    att = v->attribute();
    _ofstream << v->u() << " " << v->getProjectedX() << " " << v->getProjectedY() << " " << v->getProjectedZ() << " " \
      << att.getThicknessL() << " " << att.getThicknessR() << " " \
      << att.getColorR() << " " << att.getColorG() << " " << att.getColorB() << " ";
    ++v;
  }
  _ofstream << endl;
}

void TextStrokeRenderer::Close(){
  if(_ofstream.is_open())
    _ofstream.close();
}