primitive.h

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/* This software and supporting documentation are distributed by
 *     Institut Federatif de Recherche 49
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 *     91191 Gif-sur-Yvette cedex
 *     France
 *
 * This software is governed by the CeCILL-B license under
 * French law and abiding by the rules of distribution of free software.
 * You can  use, modify and/or redistribute the software under the
 * terms of the CeCILL-B license as circulated by CEA, CNRS
 * and INRIA at the following URL "http://www.cecill.info".
 *
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 * modify and redistribute granted by the license, users are provided only
 * with a limited warranty  and the software's author,  the holder of the
 * economic rights,  and the successive licensors  have only  limited
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 */
 
 
#ifndef ANATOMIST_PRIMITIVE_PRIMITIVE_H
#define ANATOMIST_PRIMITIVE_PRIMITIVE_H
 
#include <cartobase/smart/rcobject.h>
#include <list>
 
 
namespace anatomist
{

  class GLItem : public carto::RCObject
  {
  public:
    inline GLItem() : carto::RCObject(), _ghost( false ) {}
    virtual ~GLItem();

    virtual void callList() const = 0;
    virtual bool ghost() const;
    virtual void setGhost( bool );
 
  private:
    bool        _ghost;
  };
 

  class Primitive : public GLItem
  {
  public:
    Primitive();
    virtual ~Primitive();
 
    const std::list<unsigned> & glLists() const;
    const std::list<unsigned> & textures() const;
    void insertList( unsigned );
    void insertTexture( unsigned );
    void deleteList( unsigned );
    void deleteTexture( unsigned );
    virtual void callList() const;
 
    void clear();
 
  protected:
    std::list<unsigned> _gll;
    std::list<unsigned> _tex;
 
  private:
  };
 
 
  // Single OpenGL display list
  class GLList : public GLItem
  {
  public:
    inline GLList( unsigned gllist = 0 ) : GLItem(), _item( gllist ) {}
    virtual ~GLList();
 
    unsigned item() const { return _item; }
    virtual void generate();
    virtual void callList() const;
 
  private:
    unsigned    _item;
  };
 
 
  // Single OpenGL texture object
  class GLTexture : public GLItem
  {
  public:
    GLTexture( unsigned gltex = 0 ) : GLItem(), _item( gltex ) {}
    virtual ~GLTexture();
 
    unsigned item() const { return _item; }
    virtual void generate();
    virtual void callList() const;
 
  private:
    unsigned    _item;
  };
 
 
  typedef carto::rc_ptr<GLItem>            RefGLItem;
 
 
  class GLItemList : public GLItem
  {
  public:
    GLItemList() : GLItem() {}
    virtual ~GLItemList();
    virtual void callList() const;
 
    std::list<RefGLItem>        items;
  };
 
 
  class GLNoExecItemList : public GLItemList
  {
  public:
    GLNoExecItemList() : GLItemList() {}
    virtual ~GLNoExecItemList();
    virtual void callList() const {}
  };
 
 
  typedef carto::rc_ptr<Primitive>      RefPrimitive;
  typedef carto::rc_ptr<GLList>            RefGLList;
  typedef carto::rc_ptr<GLTexture>      RefGLTexture;
  typedef carto::rc_ptr<GLItemList>    RefGLItemList;
  typedef std::list<RefGLItem>          GLPrimitives;
 
}
 
#endif