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/*!
  \class SoSFVec2d SoSFVec2d.h Inventor/fields/SoSFVec2d.h
  \brief The SoSFVec2d class is a container for an SbVec2d vector.
  \ingroup fields

  This field is used where nodes, engines or other field containers
  needs to store a single vector with two elements.

  \sa SbVec2d, SoMFVec2d
  \COIN_CLASS_EXTENSION
  \since Coin 2.5
*/

// *************************************************************************

#include <Inventor/fields/SoSFVec2d.h>

#include <Inventor/SoInput.h>
#include <Inventor/SoOutput.h>
#include <Inventor/errors/SoDebugError.h>

#include "fields/SoSubFieldP.h"
#include "fields/shared.h"

// *************************************************************************

SO_SFIELD_SOURCE(SoSFVec2d, SbVec2d, const SbVec2d &);

// *************************************************************************

// Override from parent class.
void
SoSFVec2d::initClass(void)
{
  SO_SFIELD_INTERNAL_INIT_CLASS(SoSFVec2d);
}

// *************************************************************************

// No need to document readValue() and writeValue() here, as the
// necessary information is provided by the documentation of the
// parent classes.
#ifndef DOXYGEN_SKIP_THIS

SbBool
SoSFVec2d::readValue(SoInput * in)
{
  return
    in->read(this->value[0]) &&
    in->read(this->value[1]);
}

void
SoSFVec2d::writeValue(SoOutput * out) const
{
  sosfvec2d_write_value(out, this->getValue());
}

#endif // DOXYGEN_SKIP_THIS

// *************************************************************************

/*!
  Set value of vector.
*/
void
SoSFVec2d::setValue(double x, double y)
{
  this->setValue(SbVec2d(x, y));
}

/*!
  Set value of vector.
*/
void
SoSFVec2d::setValue(const double xy[2])
{
  this->setValue(SbVec2d(xy));
}

// *************************************************************************

#ifdef COIN_TEST_SUITE

BOOST_AUTO_TEST_CASE(initialized)
{
  SoSFVec2d field;
  BOOST_CHECK_MESSAGE(SoSFVec2d::getClassTypeId() != SoType::badType(),
                      "SoSFVec2d class not initialized");
  BOOST_CHECK_MESSAGE(field.getTypeId() != SoType::badType(),
                      "missing class initialization");
}

#endif // COIN_TEST_SUITE
