SoNormalBundle.h

#ifndef COIN_SONORMALBUNDLE_H
#define COIN_SONORMALBUNDLE_H

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#include <Inventor/bundles/SoBundle.h>
#include <Inventor/misc/SoNormalGenerator.h>
#include <Inventor/elements/SoGLNormalElement.h>

class SoNormalBundleP;

class COIN_DLL_API SoNormalBundle : public SoBundle {
public:
  SoNormalBundle(SoAction * action, SbBool forrendering);
  ~SoNormalBundle();

  SbBool shouldGenerate(int numneeded);
  void initGenerator(int initnum = 100);
  void beginPolygon(void);
  void polygonVertex(const SbVec3f & v);
  void endPolygon(void);
  
  void triangle(const SbVec3f & p1,
                const SbVec3f & p2,
                const SbVec3f & p3);
  void generate(int startindex = 0,
                SbBool addtostate = TRUE);
  const SbVec3f * getGeneratedNormals(void) const;
  int getNumGeneratedNormals(void) const;
  void set(int32_t num, const SbVec3f * normals);
  const SbVec3f & get(int index) const;
  void send(int index) const;
  
  SoNormalGenerator * generator; // SoINTERNAL public
  
private:
  const SoNormalElement * elem;
  const SoGLNormalElement * glelem;
  SoNode * node;
  SoNormalBundleP * pimpl; // for future use
};


#endif // !COIN_SONORMALBUNDLE_H