texsurface.h

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#ifndef ANA_SURFACE_TEXSURFACE_H
#define ANA_SURFACE_TEXSURFACE_H


#include <anatomist/mobject/glmobject.h>


namespace anatomist
{

  class ATexSurface;
  class const_ATexSurfaceIterator;


  class ATexSurfaceIterator : public BaseIterator
  {
  public:
    friend class ATexSurface;
    ATexSurfaceIterator( AObject *, AObject *, int );
    ATexSurfaceIterator( carto::rc_ptr<AObject>, carto::rc_ptr<AObject>, int );
    ATexSurfaceIterator( const ATexSurfaceIterator & );
    virtual ~ATexSurfaceIterator();
    virtual BaseIterator *clone() const;
    virtual bool operator != ( const BaseIterator & ) const;
    virtual bool operator != ( const ATexSurfaceIterator & ) const;
    virtual bool operator != ( const const_ATexSurfaceIterator & ) const;
    virtual AObject *operator * () const;
    virtual ATexSurfaceIterator & operator ++ ();
    virtual ATexSurfaceIterator & operator -- ();

  protected:
    carto::rc_ptr<AObject>      _surf;
    carto::rc_ptr<AObject>      _tex;
    int         _no;
  };


  class const_ATexSurfaceIterator : public BaseIterator
  {
  public:
    friend class ATexSurface;
    const_ATexSurfaceIterator( AObject *, AObject *, int );
    const_ATexSurfaceIterator( carto::rc_ptr<AObject>, carto::rc_ptr<AObject>,
                               int );
    const_ATexSurfaceIterator( const const_ATexSurfaceIterator & );
    virtual ~const_ATexSurfaceIterator();
    virtual BaseIterator *clone() const;
    virtual bool operator != ( const BaseIterator & ) const;
    virtual bool operator != ( const const_ATexSurfaceIterator & ) const;
    virtual bool operator != ( const ATexSurfaceIterator & ) const;
    virtual AObject *operator * () const;
    virtual const_ATexSurfaceIterator & operator ++ ();
    virtual const_ATexSurfaceIterator & operator -- ();

  protected:
    carto::rc_ptr<AObject>      _surf;
    carto::rc_ptr<AObject>      _tex;
    int         _no;
  };


class ATexSurface : public GLMObject
{
public:
  ATexSurface( AObject* surface, AObject* texture );
  virtual ~ATexSurface();

  virtual int MType() const { return( AObject::TEXSURFACE ); }

  virtual size_t size() const { return( 2 ); }
  virtual iterator begin();
  virtual const_iterator begin() const;
  virtual iterator end();
  virtual const_iterator end() const;
  virtual const_iterator find( const AObject * ) const;

  virtual bool CanRemove( AObject* ) { return( false ); }

  virtual void update(const Observable* observable, void* arg);

  virtual bool Is2DObject() { return _surf->Is2DObject(); }
  virtual bool Is3DObject() { return true; }

  virtual bool boundingBox( std::vector<float> & bmin,
                            std::vector<float> & bmax ) const;

  AObject* surface() { return( _surf.get() ); }
  const AObject* surface() const { return( _surf.get() ); }
  AObject* texture() { return( _tex.get() ); }
  const AObject* texture() const { return( _tex.get() ); }
  virtual void setShaderParameters(const Shader &shader, const ViewState & state) const;

  virtual Tree* optionTree() const;
  static Tree*  _optionTree;

protected:
  carto::rc_ptr<AObject>        _surf;
  carto::rc_ptr<AObject>        _tex;

private:
  virtual void insert( AObject * ) {}
  virtual void erase( iterator & ) {}
};


//      Code

inline bool ATexSurfaceIterator::operator != ( const BaseIterator & x ) const
{
  return( x.operator != ( *this ) );
}


inline bool 
const_ATexSurfaceIterator::operator != ( const BaseIterator & x ) const
{
  return( x.operator != ( *this ) );
}


inline bool
ATexSurfaceIterator::operator != ( const ATexSurfaceIterator & x ) const
{
  return( _surf != x._surf || _tex != x._tex || _no != x._no );
}


inline bool 
const_ATexSurfaceIterator::operator != 
( const const_ATexSurfaceIterator & x ) const
{
  return( _surf != x._surf || _tex != x._tex || _no != x._no );
}


inline bool 
const_ATexSurfaceIterator::operator != ( const ATexSurfaceIterator & ) const
{
  return(true);
}


inline bool
ATexSurfaceIterator::operator != ( const const_ATexSurfaceIterator & ) const
{
  return(true);
}


inline AObject * ATexSurfaceIterator::operator * () const
{
  AObject *res=NULL;
  if (_no == 0) res = _surf.get();
  if (_no == 1) res = _tex.get();
 
  return( res );
}

inline AObject * const_ATexSurfaceIterator::operator * () const
{
  AObject *res=NULL;
  if (_no == 0) res = _surf.get();
  if (_no == 1) res = _tex.get();
 
  return( res );
}

inline ATexSurfaceIterator & ATexSurfaceIterator::operator ++ ()
{
  ++_no;
  return( *this );
}


inline const_ATexSurfaceIterator & const_ATexSurfaceIterator::operator ++ ()
{
  ++_no;
  return( *this );
}


inline ATexSurfaceIterator & ATexSurfaceIterator::operator -- ()
{
  --_no;
  return( *this );
}


inline const_ATexSurfaceIterator & const_ATexSurfaceIterator::operator -- ()
{
  --_no;
  return( *this );
}



inline BaseIterator *ATexSurfaceIterator::clone() const
{
  return( new ATexSurfaceIterator( *this ) );
}


inline BaseIterator *const_ATexSurfaceIterator::clone() const
{
  return( new const_ATexSurfaceIterator( *this ) );
}


}


#endif