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#include "coindefs.h"
#include "elements/GL/SoResetMatrixElement.h"

SO_ELEMENT_SOURCE(SoResetMatrixElement);

// doc in parent
void
SoResetMatrixElement::initClass(void)
{
  SO_ELEMENT_INIT_CLASS(SoResetMatrixElement, inherited);
}

/*!
  The destructor.
*/
SoResetMatrixElement::~SoResetMatrixElement(void)
{
}

// doc in parent
void
SoResetMatrixElement::init(SoState * COIN_UNUSED_ARG(stateptr))
{
  this->matrix = SbMatrix::identity();
}

void
SoResetMatrixElement::set(SoState * stateptr, const SbMatrix & matrix)
{
  SoResetMatrixElement * elem = (SoResetMatrixElement*)
    SoElement::getElement(stateptr, SoResetMatrixElement::classStackIndex);
  elem->setElt(matrix);
}

const SbMatrix  &
SoResetMatrixElement::get(SoState * state)
{
  const SoResetMatrixElement * elem = (const SoResetMatrixElement*)
    SoElement::getConstElement(state, SoResetMatrixElement::classStackIndex);
  return elem->matrix;
}

void
SoResetMatrixElement::setElt(const SbMatrix & matrix_in)
{
  this->matrix = matrix_in;
}

SbBool
SoResetMatrixElement::matches(const SoElement * element) const
{
  const SoResetMatrixElement * other = (const SoResetMatrixElement*) element;
  return this->matrix == other->matrix;
}

SoElement *
SoResetMatrixElement::copyMatchInfo(void) const
{
  SoResetMatrixElement * element =
    (SoResetMatrixElement *)(getTypeId().createInstance());
  element->matrix = this->matrix;
  return element;
}
