SoVolumeIsosurface.h

/*=======================================================================
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**=======================================================================*/
/*=======================================================================
** Author      : Benjamin GRANGE (Aug 2005)
**=======================================================================*/
 
 
#ifndef _SO_ISOSURFACE_H_
#define _SO_ISOSURFACE_H_
 
 
#include <Inventor/SbBasic.h>
#include <Inventor/caches/SoNodeDependencies.h>
#include <Inventor/nodes/SoNode.h>
#include <Inventor/nodes/SoSubNode.h>
#include <Inventor/fields/SoMFNode.h>
#include <VolumeViz/nodes/SoVolumeData.h>
#include <VolumeViz/nodes/SoVolumeShader.h>
 
 
/*----------------------------------------------------------------------------*/
class SoMaterial;
class SoDataRange;
class SoIsosurfaceTexture;
class SoMaterial;
class SoVolumeDataDrawStyle;

class  SoVolumeIsosurface : public SoVolumeShader {
 
  SO_NODE_HEADER(SoVolumeIsosurface);
 
public:
  SoVolumeIsosurface();

  SoMFFloat isovalues;
 
#ifndef HIDDEN_FROM_DOC
private:
  virtual void notify(SoNotList* list);
 
  virtual void GLRender(SoGLRenderAction *action);
 
  // Initializes the classes.
  static void initClass() ;
  static void exitClass() ;

  virtual void installTextures(SoGLRenderAction* action);

  bool isFakeDrawStyleOnState(SoState* state) const;

  virtual void allocateTextureUnit(SoGLRenderAction *action) const;
 
private:
  virtual void rayPick(SoRayPickAction *action);
 
private:
  virtual ~SoVolumeIsosurface();

  virtual SoShaderProgram* generateShadowShader() const;

  virtual SbString getRenderingModeFragmentName(SoState* state);
 
#endif // HIDDEN_FROM_DOC
 
private:
  void handleVolumeRenderingQuality(SoState* state);

  void updateShadowShaderIsoValue();

  SoVolumeDataDrawStyle* m_volumeDataDrawStyle;
 
  bool m_needUpdate;
};
/*----------------------------------------------------------------------------*/
 
#endif /*_SO_ISOSURFACE_H_*/