SoTextureQualityElement.h

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**=======================================================================*/
/*=======================================================================
** Author      : Gavin Bell (MMM yyyy)
**=======================================================================*/
/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
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 ***                        BORDEAUX, FRANCE                                        ***
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**=======================================================================*/
/*=======================================================================
** Modified by : VSG (MMM YYYY)
**=======================================================================*/
 
 
#ifndef  _SO_TEXTURE_QUALITY_ELEMENT
#define  _SO_TEXTURE_QUALITY_ELEMENT
 
#include <Inventor/elements/SoFloatElement.h>
#include <Inventor/SoPreferences.h>

 
SoEXTENDER_Documented class  SoTextureQualityElement : public SoFloatElement {
 
  SO_ELEMENT_HEADER(SoTextureQualityElement);
 
 public:
  static void         set(SoState *state, float qual)
  { SoFloatElement::set(getClassTypeId(), getClassStackIndex(), state, qual); }

  static float        get(SoState *state)
    { return SoFloatElement::get(getClassTypeId(), getClassStackIndex(), state); }

  static float  getDefault()                    { return SoPreferences::getFloat ("OIV_TEXTURE_QUALITY", 0.5); }

  static bool isSetInState(SoState *state);
 
private:

  virtual void init(SoState *state);

  virtual SbBool matches(const SoElement* elt) const;

  virtual SoElement* copyMatchInfo() const;
 
 private:
  // Initializes the SoTextureQualityElement class
  static void         initClass();
  static void         exitClass();
 
 private:
  virtual ~SoTextureQualityElement();

  virtual void setElt(float value);
 
  bool m_isSetInState;
};

 
SoEXTENDER_Documented class  SoTextureOverrideElement : public SoElement {
 
  SO_ELEMENT_HEADER(SoTextureOverrideElement);
 
  enum {
    TEXTURE_QUALITY = 0x1,
    TEXTURE_IMAGE   = 0x2
  };
 
 public:

  virtual void        push(SoState *state);
 
  //
  // "get" methods for each element which can be overridden.
  //

  static SbBool       getQualityOverride(SoState *state);

  static SbBool       getImageOverride(SoState *state);
 
  //
  // "set" methods for each element which can be overridden.
  //

  static void         setQualityOverride(SoState *state,
                                         SbBool override);

  static void         setImageOverride(SoState *state,
                                       SbBool override);

  virtual void        print(FILE *fp) const;
 
private:

  virtual void init(SoState *state);

  virtual SbBool      matches(const SoElement *elt) const;

  virtual SoElement   *copyMatchInfo() const;
 
 private:
  // Initializes the SoTextureOverrideElement class
  static void         initClass();
  static void         exitClass();
 
 private:
  // Used by ::print method
  void pFlag(FILE *, const char *, int) const;
 
  uint32_t flags;
};
 
#endif /* _SO_TEXTURE_QUALITY_ELEMENT */