SoReplacedTextureElement.h

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**=======================================================================*/
/*=======================================================================
** Author      : R. ALBOU (Sep 2003)
**=======================================================================*/
 
#ifndef  _SO_REPLACED_TEXTURE_ELEMENT_
#define  _SO_REPLACED_TEXTURE_ELEMENT_
 
#include <Inventor/elements/SoSubElement.h>
#include <Inventor/STL/vector>
 
#ifdef _MSC_VER
#pragma warning( push )
#pragma warning(disable:4251)
#endif
 
SoEXTENDER_Documented class  SoReplacedTextureElement : public SoElement {
 
  SO_ELEMENT_ABSTRACT_HEADER(SoReplacedTextureElement);
 
 public:
 
 virtual void        print(FILE *fp) const;
 
  virtual void push(SoState *state) ;
 
private:
 
  virtual void commonInit();
 
  virtual SbBool matches(const SoElement* elt) const;
 
  virtual SoElement* copyMatchInfo() const;
 
 private:
  // Initializes the SoReplacedTextureElement class
  static void         initClass();
  static void         exitClass();
 
private:
  // Overrides SoElement::getElement() to set the nodeId of the current
  // texture unit in the element instance before returning it.
  // static SoElement *getElement(SoState *state, int stackIndex, SoNode *node) ;
  static SoElement *getElement(SoState *state, SoType type, int stackIndex, SoNode *node) ;
 
  template<typename T>
  static T *getElement(SoState *state, int stackIndex, SoNode *node)
  {
    return static_cast<T*>(getElement(state, T::getClassTypeId(), stackIndex, node));
  }
 
  // Destructor
  virtual ~SoReplacedTextureElement();
 
  // Sets the id of the given node of the current texture unit
  void setNodeId(SoState *state, const SoNode *node);
 
  // return the nodeId for the given texture unit
  uint64_t& getNodeId(const int unit) const;
 
private:
  // This stores the list of node id's as pointers associated to
  // each texture unit.
  typedef std::vector<uint64_t> SoNodeIdList;
  mutable SoNodeIdList m_nodeIdList;
};
 
#ifdef _MSC_VER
#pragma warning( pop )
#endif
 
#endif /* _SO_REPLACED_TEXTURE_ELEMENT_ */