/********************************************************************
**                Image Component Library (ICL)                    **
**                                                                 **
** Copyright (C) 2006-2010 CITEC, University of Bielefeld          **
**                         Neuroinformatics Group                  **
** Website: www.iclcv.org and                                      **
**          http://opensource.cit-ec.de/projects/icl               **
**                                                                 **
** File   : include/ICLGeom/Primitive.h                            **
** Module : ICLGeom                                                **
** Authors: Christof Elbrechter                                    **
**                                                                 **
**                                                                 **
** Commercial License                                              **
** ICL can be used commercially, please refer to our website       **
** www.iclcv.org for more details.                                 **
**                                                                 **
** GNU General Public License Usage                                **
** Alternatively, this file may be used under the terms of the     **
** GNU General Public License version 3.0 as published by the      **
** Free Software Foundation and appearing in the file LICENSE.GPL  **
** included in the packaging of this file.  Please review the      **
** following information to ensure the GNU General Public License  **
** version 3.0 requirements will be met:                           **
** http://www.gnu.org/copyleft/gpl.html.                           **
**                                                                 **
** The development of this software was supported by the           **
** Excellence Cluster EXC 277 Cognitive Interaction Technology.    **
** The Excellence Cluster EXC 277 is a grant of the Deutsche       **
** Forschungsgemeinschaft (DFG) in the context of the German       **
** Excellence Initiative.                                          **
**                                                                 **
*********************************************************************/

#ifndef ICL_PRIMITIVE_H
#define ICL_PRIMITIVE_H

#include <ICLGeom/GeomDefs.h>
#include <ICLCore/Img.h>

namespace icl{
  
  struct Primitive{
    enum Type{
      vertex,line,triangle,quad,texture,nothing,PRIMITIVE_TYPE_COUNT
    };

    Primitive():
      type(nothing){
    }
    Primitive(int a, int b, const GeomColor &color=GeomColor()):
      a(a),b(b),color(color),type(line){
    }
    Primitive(int a, int b, int c, const GeomColor &color=GeomColor()):
      a(a),b(b),c(c),color(color),type(triangle){
    }
    Primitive(int a, int b, int c, int d,const GeomColor &color=GeomColor()):
      a(a),b(b),c(c),d(d),color(color),type(quad){
    }
    Primitive(int a, int b, int c, int d,const Img8u &tex, bool deepCopy=false):
      a(a),b(b),c(c),d(d),tex(tex),type(texture){
        if(deepCopy) this->tex.detach();
    }

    /// not reverse ordering
    bool operator<(const Primitive &other) const{
      return z < other.z;
    }
    
    int a,b,c,d;
    GeomColor color;
    Img8u tex;
    Type type;

    
    float z;
  };
  
}

#endif