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Coin / src / elements / SoFocalDistanceElement.cpp

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/**************************************************************************\
 * Copyright (c) Kongsberg Oil & Gas Technologies AS
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * 
 * Neither the name of the copyright holder nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
\**************************************************************************/

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

  FIXME: write doc.
*/

#include <Inventor/elements/SoFocalDistanceElement.h>


#include <cassert>

SO_ELEMENT_SOURCE(SoFocalDistanceElement);

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

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

/*!
  The destructor.
*/

SoFocalDistanceElement::~SoFocalDistanceElement(void)
{
}

//! FIXME: write doc.

void
SoFocalDistanceElement::init(SoState * state)
{
  inherited::init(state);
  this->data = getDefault();
}

//! FIXME: write doc.

void
SoFocalDistanceElement::set(SoState * const state, SoNode * const node,
                            const float distance)
{
  SoFloatElement::set(classStackIndex, state, node, distance);
}

//! FIXME: write doc.

void
SoFocalDistanceElement::set(SoState * const state, const float distance)
{
  SoFocalDistanceElement::set(state, NULL, distance);
}

//! FIXME: write doc.

float
SoFocalDistanceElement::get(SoState * const state)
{
  return SoFloatElement::get(classStackIndex, state);
}

//! FIXME: write doc.

float
SoFocalDistanceElement::getDefault()
{
  return 5.0f;
}