Source

Coin / src / elements / SoShininessElement.cpp

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/*!
  \class SoShininessElement Inventor/elements/SoShininessElement.h
  \brief The SoShininessElement class is yet to be documented.
  \ingroup elements

  FIXME: write doc.

  This element is part of the SoLazyElement in some other OI implementetions.
*/

#include <Inventor/elements/SoShininessElement.h>

#include "coindefs.h"
#include "SbBasicP.h"

#include <Inventor/elements/SoLazyElement.h>
#include <Inventor/errors/SoDebugError.h>

#include <cassert>

SO_ELEMENT_SOURCE(SoShininessElement);

/*!
  This static method initializes static data for the SoShininessElement class.
*/

void
SoShininessElement::initClass()
{
  SO_ELEMENT_INIT_CLASS(SoShininessElement, inherited);
}

/*!
  The destructor.
*/

SoShininessElement::~SoShininessElement()
{
}

//! FIXME: write doc.

void
SoShininessElement::init(SoState * stateptr)
{
  inherited::init(state);
  this->state = stateptr;
}

//! FIXME: write doc.

void
SoShininessElement::set(SoState * const state, SoNode * const COIN_UNUSED_ARG(node),
                           const int32_t numvalues,
                           const float * const values)
{
  SoLazyElement::setShininess(state, values[0]);
#if COIN_DEBUG
  if (numvalues > 1) {
    SoDebugError::postWarning("SoShininessElement::set",
                              "Multiple shininess values not supported. "
                              "All values except the first will be ignored.");
  }
#endif // COIN_DEBIG

}

//! FIXME: write doc.
int32_t
SoShininessElement::getNum(void) const
{
  return 1;
}

//! FIXME: write doc.

float
SoShininessElement::get(const int index) const
{
  assert(index == 0);
  return SoLazyElement::getShininess(this->state);
}

/*!
  Returns a pointer to the shininess values. This method is not part of the OIV API.
*/
const float *
SoShininessElement::getArrayPtr(void) const
{
  const_cast<SoShininessElement *>(this)->dummyvalue =
    SoLazyElement::getShininess(this->state);

  return &this->dummyvalue;
}

//! FIXME: write doc.

const SoShininessElement *
SoShininessElement::getInstance(SoState *state)
{
  return coin_assert_cast<const SoShininessElement *>
    (
     state->getElementNoPush(classStackIndex)
     );
}
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