Source

Coin / src / elements / SoCreaseAngleElement.cpp

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Peder Blekken cf50a1f 
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Peder Blekken cf50a1f 
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Peder Blekken cf50a1f 


Morten Eriksen 0cf8e10 
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Morten Eriksen 0cf8e10 

Peder Blekken cf50a1f 
Morten Eriksen 08431c9 


Peder Blekken cf50a1f 


Morten Eriksen 0cf8e10 
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Morten Eriksen 0cf8e10 
Peder Blekken cf50a1f 
Morten Eriksen 08431c9 

Tom Fredrik Blen… c56c6a7 
Peder Blekken cf50a1f 

Tom Fredrik Blen… c56c6a7 
Peder Blekken cf50a1f 
Morten Eriksen 0cf8e10 
Morten Eriksen 08431c9 
Morten Eriksen 0cf8e10 
Peder Blekken cf50a1f 

Morten Eriksen 08431c9 

Tom Fredrik Blen… c56c6a7 
Peder Blekken cf50a1f 

Tom Fredrik Blen… c56c6a7 
Peder Blekken cf50a1f 
Morten Eriksen 08431c9 
Tom Fredrik Blen… c56c6a7 
Peder Blekken cf50a1f 
Tom Fredrik Blen… c56c6a7 
Peder Blekken cf50a1f 








Morten Eriksen 0cf8e10 
Peder Blekken cf50a1f 
Morten Eriksen 0cf8e10 

Morten Eriksen 08431c9 
Peder Blekken cf50a1f 





Tom Fredrik Blen… c56c6a7 

Peder Blekken cf50a1f 
Tom Fredrik Blen… c56c6a7 
Peder Blekken cf50a1f 


/**************************************************************************\
 * 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
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
\**************************************************************************/

/*!
  \class SoCreaseAngleElement Inventor/elements/SoCreaseAngleElement.h
  \brief The SoCreaseAngleElement class stores the crease angle during a scene graph traversal.
  \ingroup elements
*/

#include <Inventor/elements/SoCreaseAngleElement.h>


#include <cassert>

SO_ELEMENT_SOURCE(SoCreaseAngleElement);

// doc from parent
void
SoCreaseAngleElement::initClass(void)
{
  SO_ELEMENT_INIT_CLASS(SoCreaseAngleElement, inherited);
}

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

// doc from parent
void
SoCreaseAngleElement::init(SoState * state)
{
  inherited::init(state);

  // a negative value means that the element contains the default
  // value, which is 0.0 for Inventor 2.1 and 0.5 for VRML1.
  this->data = -1.0f;
}

/*!
  Sets the value of this element.
*/
void
SoCreaseAngleElement::set(SoState * const state, SoNode * const node,
                          const float complexity)
{
  SoFloatElement::set(classStackIndex, state, node, complexity);
}


/*!
  \overload
*/
void
SoCreaseAngleElement::set(SoState * const state, const float complexity)
{
  SoCreaseAngleElement::set(state, NULL, complexity);
}

/*!
  Returns the element value. This method can be used if you know
  that the node that is going to use the crease angle is an Inventor
  node.
*/
float
SoCreaseAngleElement::get(SoState * const state)
{
  float val = SoFloatElement::get(classStackIndex, state);
  return val < 0.0f ? SoCreaseAngleElement::getDefault() : val;
}

/*!
  Returns the element value. \a isvrml1 should be TRUE if the node
  requesting the value is a VRML1 node.

  This method is an extension versus the Open Inventor API.

  \sa SoNode::getNodeType()
*/
float
SoCreaseAngleElement::get(SoState * const state, const SbBool isvrml1)
{
  float val = SoFloatElement::get(classStackIndex, state);
  return val < 0.0f ? SoCreaseAngleElement::getDefault(isvrml1) : val;
}

/*!
  Returns the default value for Inventor scene graphs (0.0).
*/
float
SoCreaseAngleElement::getDefault(void)
{
  return 0.0f;
}

/*!
  Returns the default value for this element. \a isvrml1 should
  be TRUE if the node requesting the value is a VRML1 node.

  This method is an extension versus the Open Inventor API.

  \sa SoNode::getNodeType()
*/
float
SoCreaseAngleElement::getDefault(const SbBool isvrml1)
{
  return isvrml1 ? 0.5f : 0.0f;
}