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Source

Coin / src / elements / SoTransparencyElement.cpp

Morten Eriksen 08431c9 
Marius Kintel 3ba6b41 




























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Morten Eriksen f2417c6 
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Tom Fredrik Blen… c56c6a7 


Peder Blekken 831a920 
Tom Fredrik Blen… c56c6a7 
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Morten Eriksen 08431c9 








Morten Eriksen 84ccf60 
Morten Eriksen 364a3ff 
Morten Eriksen 08431c9 










Morten Eriksen 0cf8e10 
Peder Blekken 519d4a9 
Morten Eriksen 08431c9 
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Peder Blekken 519d4a9 
Morten Eriksen 08431c9 



Morten Eriksen 0cf8e10 
Morten Eriksen 08431c9 
Peder Blekken 831a920 
Morten Eriksen 0cf8e10 
Morten Eriksen 08431c9 
Tom Fredrik Blen… c56c6a7 



Peder Blekken 831a920 
Tom Fredrik Blen… c56c6a7 
Morten Eriksen 08431c9 
Morten Eriksen 0cf8e10 
Morten Eriksen 08431c9 


Morten Eriksen 0cf8e10 
Peder Blekken 831a920 
Morten Eriksen 08431c9 
Peder Blekken 831a920 

Morten Eriksen 08431c9 






Peder Blekken 831a920 
Morten Eriksen 08431c9 

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Peder Blekken 831a920 
Morten Eriksen 62990b7 
Peder Blekken 831a920 

Morten Eriksen 62990b7 

Morten Eriksen 08431c9 

Morten Eriksen 0cf8e10 
Morten Eriksen 08431c9 

Tom Fredrik Blen… c56c6a7 



Morten Eriksen 08431c9 
/**************************************************************************\
 * 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
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
\**************************************************************************/

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

  FIXME: write doc.
*/

#include <Inventor/elements/SoTransparencyElement.h>

#include "SbBasicP.h"

#include <Inventor/elements/SoLazyElement.h>
#include <cassert>


SO_ELEMENT_SOURCE(SoTransparencyElement);

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

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

/*!
  The destructor.
*/

SoTransparencyElement::~SoTransparencyElement()
{
}

//! FIXME: write doc.

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

//! FIXME: write doc.

void
SoTransparencyElement::set(SoState * const state, SoNode * const node,
                           const int32_t numvalues,
                           const float * const values)
{
  SoTransparencyElement * elem = const_cast<SoTransparencyElement *>
    (
     SoTransparencyElement::getInstance(state)
     );

  SoLazyElement::setTransparency(state, node, numvalues, values, &elem->colorpacker);
}

//! FIXME: write doc.

//$ EXPORT INLINE
int32_t
SoTransparencyElement::getNum(void) const
{
  SoLazyElement * lazy = SoLazyElement::getInstance(this->state);
  return lazy->getNumTransparencies();
}

//! FIXME: write doc.

float
SoTransparencyElement::get(const int index) const
{
  return SoLazyElement::getTransparency(this->state, index);
}

/*!
  Returns a pointer to the transparency values. This method is not part of the OIV API.
*/
const float *
SoTransparencyElement::getArrayPtr(void) const
{
  SoLazyElement * lazy = SoLazyElement::getInstance(this->state);
  return lazy->getTransparencyPointer();
}

//! FIXME: write doc.

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