volumeview.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
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 *
 * 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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 */

#ifndef ANA_VOLUME_VOLUMEVIEW_H
#define ANA_VOLUME_VOLUMEVIEW_H

#include <anatomist/volume/Volume.h>
#include <anatomist/mobject/objectVector.h>


namespace anatomist
{

  template <typename T>
  class AVolumeView : public ObjectVector
  {
  public:
    AVolumeView( const std::list<AObject *> & );
    AVolumeView( const std::string & filename );
    AVolumeView( carto::rc_ptr<carto::Volume<T> > vol );
    AVolumeView( const std::vector<carto::rc_ptr<carto::Volume<T> > > & vols );
    virtual ~AVolumeView();

    virtual void setVolume( carto::rc_ptr<carto::Volume<T> > vol );
    // void move( const Point3d & pos, const Point3d & size );

    void setupTransformationFromView();
    void setupViewFromTransformation();
    void setTargetSize( const std::vector<int> & );
    const std::vector<int> & targetSize() const;
    int resolutionLevel() const { return _resolution_level; }
    int selectBestResolutionLevel( const Point3df & vs ) const;
    const carto::rc_ptr<AVolume<T> > view() const { return _myvolume; }
    carto::rc_ptr<AVolume<T> > view() { return _myvolume; }
    Point3df initialFOV() const { return _initial_fov; }
    void setInitialFOV( const Point3df & fov );

    // overloads
    virtual int MType() const { return type(); }
    static int classType();
    virtual bool CanRemove( AObject* /*obj*/ ) { return false; }
    virtual bool render( PrimList & prim, const ViewState & vs );
    virtual void setFileName( const std::string & fname );
    virtual void SetExtrema();
    virtual void adjustPalette();
    virtual std::vector<float> voxelSize() const
    { return _myvolume->voxelSize(); }
    bool Is2DObject() { return(true); }
    bool textured2D() const { return( true ); }
    bool Is3DObject() { return(false); }
    virtual bool isTransparent() const { return _myvolume->isTransparent(); }
    float MinT() const { return _myvolume->MinT(); }
    float MaxT() const { return _myvolume->MaxT(); }
    virtual bool boundingBox( std::vector<float> & bmin,
                              std::vector<float> & bmax ) const
    { return _myvolume->boundingBox( bmin, bmax ); }
    virtual bool boundingBox2D( std::vector<float> & bmin,
                                std::vector<float> & bmax ) const
    { return _myvolume->boundingBox2D( bmin, bmax ); }

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

  private:
    void init( const std::vector<carto::rc_ptr<carto::Volume<T> > > & vols );

    carto::rc_ptr<AVolume<T> > _myvolume;
    std::vector<carto::rc_ptr<AVolume<T> > > _avolume;
    std::vector<int> _target_size;
    Point3df _initial_fov;
    int _resolution_level;
  };

}

#endif