SoStencilBitsElement.h

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// **InsertLicense** code
 
#ifndef _SO_STENCIL_BITS_ELEMENT_
#define _SO_STENCIL_BITS_ELEMENT_
 
#include <Inventor/system/SbSystem.h>
#include <Inventor/elements/SoInt32Element.h>
 
SoEXTENDER class INVENTOR_API SoStencilBitsElement : public SoInt32Element
{
   typedef SoInt32Element inherited;
   
   SO_ELEMENT_HEADER(SoStencilBitsElement);
   
   public:
 
      virtual void      init(SoState *state);
 
      static uint32_t   acquireBits(SoState *state, SoNode *node, int num);
      
      static void       releaseBits(SoState *state, uint32_t mask);
      
      static void       clearBitsInUse(SoState *state);
      
      static uint32_t   get(SoState *state) {
         return (uint32_t)SoInt32Element::get(classStackIndex, state);
      }
 
      static uint32_t   getDefault() {
         return 0x0;
      }
      
      static int        getNumRemainingBits(SoState *state);
 
      virtual void      push(SoState *state);
 
   protected:
 
      static int        getNumBitPositionsToShift(uint32_t mask, SoState *state);
      
      virtual           ~SoStencilBitsElement();
 
      int               getNumGLBits() const;
      
   SoINTERNAL public:
 
      static void       initClass();
 
   private:
 
      mutable int       numGLBits;
};
 
#endif  // _SO_STENCIL_BITS_ELEMENT_