SoDepthOffset.h

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**=======================================================================*/
/*=======================================================================
** Author      : Nicolas DAGUISE (Dec 2008)
**=======================================================================*/
 
 
#ifndef SO_DEPTH_OFFSET_H
#define SO_DEPTH_OFFSET_H
 
#include <Inventor/nodes/SoNode.h>
#include <Inventor/fields/SoSFFloat.h>
#include <Inventor/fields/SoSFBool.h>
#include <Inventor/SbMatrix.h>

class  SoDepthOffset : public SoNode
{
  SO_NODE_HEADER(SoDepthOffset);
 
public:
  SoDepthOffset();

  SoSFFloat offset;

  SoSFBool on;
 
 
private:
  static void initClass();
  static void exitClass();
 
private:
  virtual void GLRender(SoGLRenderAction* action);
  virtual void search( SoSearchAction* action );

  static void setupGlobalParameters(SoState *state);
  static void computeNDCadjustment(SoState *state, SbMatrix& matrix);
 
private:
  virtual ~SoDepthOffset();
 
// Re-open this scope here to avoid breaking binary compatibility
private:
  virtual void doAction( SoAction* action );
  virtual void rayPick( SoRayPickAction* action );
 
private:
  static SbBool s_compat80;
  static uint32_t instanceCount;
};
 
#endif //SO_DEPTH_OFFSET_H
 
/**/