Source

Coin / src / shadows / SoShadowStyle.cpp

Peder Blekken 2e31ac6 
Marius Kintel 3ba6b41 




























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Peder Blekken 212c77d 
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Lars J. Aas 92263e4 



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Lars J. Aas 92263e4 


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Peder Blekken b8ca596 
Peder Blekken 2e31ac6 

















Peder Blekken 212c77d 
Peder Blekken 2e31ac6 






Peder Blekken b8ca596 


Peder Blekken 2e31ac6 
Peder Blekken 832c7f4 
Peder Blekken 212c77d 
Peder Blekken b8ca596 
Peder Blekken 41666a7 
Peder Blekken b8ca596 
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Peder Blekken b8ca596 

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Peder Blekken 2e31ac6 
Lars J. Aas 251277c 














/**************************************************************************\
 * 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 SoShadowStyle SoShadowStyle.h Inventor/annex/FXViz/nodes/SoShadowStyle.h
  \brief The SoShadowStyle class is a node for setting the shadow style on nodes.

  \ingroup nodes

  <b>FILE FORMAT/DEFAULTS:</b>
  \code
    ShadowStyle {
        style CASTS_SHADOW_AND_SHADOWED
    }
  \endcode

  \since Coin 2.5
*/

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

#include <Inventor/annex/FXViz/nodes/SoShadowStyle.h>

#include <stdio.h>

#include <Inventor/actions/SoGLRenderAction.h>
#include <Inventor/elements/SoShapeStyleElement.h>
#include <Inventor/elements/SoGLShaderProgramElement.h>

#include "nodes/SoSubNodeP.h"
#include "shaders/SoGLShaderProgram.h"

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

/*!
  \enum SoShadowStyle::Style

  Enumerates the available style settings.
*/

/*!
  \var SoSFEnum SoShadowStyle::style

  Set the current shadow style. Default value is CAST_SHADOW_AND_SHADOWED.
*/

/*!
  \var SoShadowStyle::Style SoShadowStyle::NO_SHADOWING
  Neither casts or recieves shadows.
*/

/*!
  \var SoShadowStyle::Style SoShadowStyle::CASTS_SHADOW
  Casts shadow, but will no recieve any shadows.
*/

/*!
  \var SoShadowStyle::Style SoShadowStyle::SHADOWED
  Receives shadows, but will not cast any shadow.
*/

/*!
  \var SoShadowStyle::Style SoShadowStyle::CAST_SHADOW_AND_SHADOWED
  Will cast and recieve shadows.
*/

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


SO_NODE_SOURCE(SoShadowStyle);

/*!
  Constructor.
*/
SoShadowStyle::SoShadowStyle(void)
{
  SO_NODE_INTERNAL_CONSTRUCTOR(SoShadowStyle);

  SO_NODE_ADD_FIELD(style, (SoShadowStyle::CASTS_SHADOW_AND_SHADOWED));

  SO_NODE_DEFINE_ENUM_VALUE(Style, NO_SHADOWING);
  SO_NODE_DEFINE_ENUM_VALUE(Style, CASTS_SHADOW);
  SO_NODE_DEFINE_ENUM_VALUE(Style, SHADOWED);
  SO_NODE_DEFINE_ENUM_VALUE(Style, CASTS_SHADOW_AND_SHADOWED);
  SO_NODE_SET_SF_ENUM_TYPE(style, Style);
}

/*!
  Destructor.
*/
SoShadowStyle::~SoShadowStyle()
{
}

// Doc from superclass.
void
SoShadowStyle::initClass(void)
{
  SO_NODE_INTERNAL_INIT_CLASS(SoShadowStyle, SO_FROM_COIN_2_5);
  SO_ENABLE(SoGLRenderAction, SoShadowStyleElement);
}

// Doc from superclass.
void
SoShadowStyle::GLRender(SoGLRenderAction * action)
{
  SoState * state = action->getState();

  SoShadowStyleElement::set(state,
                            this,
                            (int) this->style.getValue());

  if (SoShapeStyleElement::get(state)->getFlags() & SoShapeStyleElement::SHADOWS) {

    if (this->style.getValue() & SHADOWED) {
      SoGLShaderProgramElement::enable(state, TRUE);
    }
    else {
      SoGLShaderProgramElement::enable(state, FALSE);
    }
  }
}



#ifdef COIN_TEST_SUITE

BOOST_AUTO_TEST_CASE(initialized)
{
  SoShadowStyle * node = new SoShadowStyle;
  assert(node);
  node->ref();
  BOOST_CHECK_MESSAGE(node->getTypeId() != SoType::badType(),
                      "missing class initialization");
  node->unref();
}

#endif // COIN_TEST_SUITE
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