SoVolumeGroupElement.h

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/*=======================================================================
** Author      : T. DUFOUR (Nov 2002)
**=======================================================================*/
 
#ifndef  _SO_VOLUME_GROUP_ELEMENT_
#define  _SO_VOLUME_GROUP_ELEMENT_
 
#include <Inventor/elements/SoReplacedElement.h>
#include <Inventor/SbVec.h>
#include <Inventor/nodes/SoFaceSet.h>
 
class SoVolumeGroup;
class SoGLObjectCache;
class SoLDMVirtualTexture;
 
class  SoVolumeGroupElement : public SoReplacedElement {
  SO_ELEMENT_HEADER( SoVolumeGroupElement );
 
public:
 
  // Sets/Gets the current volume data attributes in the state
  static void set(SoState* state, SoNode *node, SoVolumeGroup *volumeGroupNode);
  static void get(SoState* state, SoVolumeGroup *&volumeGroupNode);
 
  // Default values
  static void getDefault(SoVolumeGroup *&VolumeGroupNode);
 
private:
 
  virtual void init(SoState* state);
 
  virtual SoElement* copyMatchInfo() const;
 
  virtual SbBool matches(const SoElement* elt) const;
 
  private:
  // Initializes the SoVolumeGroupElement class
  static void initClass();
  static void exitClass();
  // Set current number of volumeGroup
  static void setNumberOfVolume(SoState* state, SoNode *node, int numberOfVolume);
  // Return current number of volumeGroup
  static int getNumberOfVolume(SoState* state);
 
  static void setVertices( SoState* state, SoNode *node, SoRef<SoFaceSet> faceSet, SoLDMVirtualTexture* vt, float sliceDensity );
 
  static float getSliceDensity( SoState* state );
  static SoLDMVirtualTexture* getVirtualTexture( SoState* state );
  static SoRef<SoFaceSet> getGeometry( SoState* state );
 
private:
  virtual void setElt( SoVolumeGroup *VolumeGroupNode );
 
  virtual ~SoVolumeGroupElement();
 
private:
  SoVolumeGroup* m_volumeGroupNode;
  int m_numberOfVolume;
  SoLDMVirtualTexture* m_vt;
  SoRef<SoFaceSet> m_faceSet;
  float m_sliceDensity;
};
 
#endif // _SO_VOLUME_GROUP_ELEMENT_