Source

Coin / src / nodes / SoPackedColor.cpp

Morten Eriksen 08431c9 
Marius Kintel 3ba6b41 




























Morten Eriksen 08431c9 



Morten Eriksen 5c66192 
Morten Eriksen 08431c9 

Morten Eriksen 5c66192 


Morten Eriksen b60274e 

Morten Eriksen 37c5269 


Morten Eriksen b60274e 
Morten Eriksen 37c5269 
Morten Eriksen 5c66192 
Morten Eriksen 08431c9 

Morten Eriksen 37c5269 

Morten Eriksen a0b837c 




Morten Eriksen 37c5269 

Morten Eriksen 08431c9 

Morten Eriksen 5c66192 
Morten Eriksen 08431c9 
Morten Eriksen dd1af9f 
Peder Blekken 831a920 
Peder Blekken 342a48a 

Lars J. Aas 92263e4 

Tom Fredrik Blen… 4fdbd58 
Peder Blekken 342a48a 
Morten Eriksen 08431c9 
Morten Eriksen 37c5269 

Morten Eriksen 08431c9 

Morten Eriksen 5c66192 







Morten Eriksen 08431c9 



Peder Blekken 342a48a 










Morten Eriksen f9a2eff 
Morten Eriksen 08431c9 





Peder Blekken 342a48a 
Morten Eriksen c36f67e 
Morten Eriksen b66cdde 
Morten Eriksen 08431c9 
Morten Eriksen 41e59e9 
Peder Blekken 342a48a 

Morten Eriksen 08431c9 






Peder Blekken 342a48a 
Morten Eriksen 08431c9 

Morten Eriksen 5c66192 
Morten Eriksen 08431c9 


Peder Blekken 444798d 
Morten Eriksen 08431c9 
Peder Blekken 831a920 

Morten Eriksen 08431c9 

Morten Eriksen 5c66192 
Morten Eriksen b66cdde 
Morten Eriksen 08431c9 

Morten Eriksen 3523436 
Morten Eriksen 08431c9 

Morten Eriksen 5c66192 
Morten Eriksen 08431c9 
Morten Eriksen 5c66192 
Morten Eriksen 08431c9 
Peder Blekken 831a920 
Morten Eriksen 4644f41 
Morten Eriksen 5c66192 
Peder Blekken 342a48a 
Morten Eriksen 5c66192 
Peder Blekken 342a48a 
Morten Eriksen 3523436 
Peder Blekken 831a920 
Peder Blekken 342a48a 
Peder Blekken 831a920 
Peder Blekken 342a48a 




Peder Blekken a98de9f 
Peder Blekken 342a48a 







































Morten Eriksen dd1af9f 


Morten Eriksen 3523436 
Morten Eriksen 08431c9 

Morten Eriksen 5c66192 
Morten Eriksen 08431c9 
Morten Eriksen 5c66192 
Morten Eriksen 08431c9 
Morten Eriksen 3523436 
Morten Eriksen 08431c9 


Morten Eriksen 5c66192 

Morten Eriksen 08431c9 



Peder Blekken 342a48a 


Morten Eriksen 41e59e9 


Peder Blekken 342a48a 
Morten Eriksen 41e59e9 

Morten Eriksen 4644f41 
Morten Eriksen 5c66192 
Peder Blekken 342a48a 
Morten Eriksen 08431c9 
Morten Eriksen 41e59e9 
Morten Eriksen 03ff79a 
Morten Eriksen 4644f41 
Morten Eriksen 41e59e9 

Morten Eriksen 03ff79a 

Morten Eriksen 41e59e9 

Peder Blekken 342a48a 
Morten Eriksen 41e59e9 
Peder Blekken 6157304 
Morten Eriksen 41e59e9 
Peder Blekken 342a48a 
/**************************************************************************\
 * 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 SoPackedColor SoPackedColor.h Inventor/nodes/SoPackedColor.h
  \brief The SoPackedColor class is a node for setting diffuse and transparency material values.
  \ingroup nodes

  This node provides a convenient way of setting diffuse colors and
  transparency values with packed 32-bit RGBA vectors.

  <b>FILE FORMAT/DEFAULTS:</b>
  \code
    PackedColor {
        orderedRGBA 0xccccccff
    }
  \endcode

  \sa SoBaseColor
*/

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

// FIXME: the name of the "orderedRGBA" field was actually "rgba" in
// the version 2.0 Inventor file format, and the semantics was also
// different (reversed order). This means that Inventor 2.0 files with
// PackedColor nodes will not import properly at the moment.  20020508 mortene.

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

#include <Inventor/nodes/SoPackedColor.h>

#include <Inventor/actions/SoCallbackAction.h>
#include <Inventor/actions/SoGLRenderAction.h>
#include <Inventor/elements/SoOverrideElement.h>
#include <Inventor/elements/SoGLLazyElement.h>
#include <Inventor/elements/SoGLVBOElement.h>
#include <Inventor/C/tidbits.h>

#include "nodes/SoSubNodeP.h"
#include "rendering/SoVBO.h"


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

/*!
  \var SoMFUInt32 SoPackedColor::orderedRGBA

  Set of packed 32-bit RGBA vectors.

  The most significant 24 bits specifies 8 bits each for the red,
  green and blue components.

  The least significant 8 bits specifies the transparency value, where
  0x00 means completely transparent, and 0xff completely opaque.
*/

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

class SoPackedColorP {
 public:
  SoPackedColorP() : vbo(NULL) { }
  ~SoPackedColorP() { delete this->vbo; }
  SbBool transparent;
  SbBool checktransparent;
  SoVBO * vbo;
};

#define PRIVATE(obj) obj->pimpl

SO_NODE_SOURCE(SoPackedColor);

/*!
  Constructor.
*/
SoPackedColor::SoPackedColor()
{
  PRIVATE(this) = new SoPackedColorP;
  SO_NODE_INTERNAL_CONSTRUCTOR(SoPackedColor);

  SO_NODE_ADD_FIELD(orderedRGBA, (0xccccccff));

  PRIVATE(this)->checktransparent = FALSE;
  PRIVATE(this)->transparent = FALSE;
}

/*!
  Destructor.
*/
SoPackedColor::~SoPackedColor()
{
  delete PRIVATE(this);
}

// Doc from superclass.
void
SoPackedColor::initClass(void)
{
  SO_NODE_INTERNAL_INIT_CLASS(SoPackedColor, SO_FROM_INVENTOR_2_1);

  SO_ENABLE(SoCallbackAction, SoLazyElement);
  SO_ENABLE(SoGLRenderAction, SoGLLazyElement);
}

// Doc from superclass.
void
SoPackedColor::GLRender(SoGLRenderAction * action)
{
  SoPackedColor::doAction(action);
}

// Doc from superclass.
void
SoPackedColor::doAction(SoAction * action)
{
  (void) this->isTransparent(); // update cached value for transparent

  SoState * state = action->getState();
  const int num = this->orderedRGBA.getNum();
  if (!this->orderedRGBA.isIgnored() &&
      num > 0 &&
      !SoOverrideElement::getDiffuseColorOverride(state)) {
    SoLazyElement::setPacked(state, this,
                             num,
                             this->orderedRGBA.getValues(0),
                             PRIVATE(this)->transparent);

    if (state->isElementEnabled(SoGLVBOElement::getClassStackIndex())) {
      SoBase::staticDataLock();
      SbBool setvbo = FALSE;
      if (SoGLVBOElement::shouldCreateVBO(state, num)) {
        SbBool dirty = FALSE;
        setvbo = TRUE;
        if (PRIVATE(this)->vbo == NULL) {
          PRIVATE(this)->vbo = new SoVBO(GL_ARRAY_BUFFER, GL_STATIC_DRAW);
          dirty = TRUE;
        }
        else if (PRIVATE(this)->vbo->getBufferDataId() != this->getNodeId()) {
          dirty = TRUE;
        }
        if (dirty) {
          if (coin_host_get_endianness() == COIN_HOST_IS_BIGENDIAN) {
            PRIVATE(this)->vbo->setBufferData(this->orderedRGBA.getValues(0),
                                              num*sizeof(uint32_t),
                                              this->getNodeId());
          }
          else {
            // sigh. Need to swap bytes on little endian systems.
            const uint32_t * src = this->orderedRGBA.getValues(0);
            uint32_t * dst = (uint32_t*) 
              PRIVATE(this)->vbo->allocBufferData(num*sizeof(uint32_t), 
                                                  this->getNodeId());  
            for (int i = 0; i < num; i++) {
              uint32_t tmp = src[i];
              dst[i] = 
                (tmp << 24) |
                ((tmp & 0xff00) << 8) |
                ((tmp & 0xff0000) >> 8) |
                (tmp >> 24);
            }
          }
        }
      }
      else if (PRIVATE(this)->vbo) {
        PRIVATE(this)->vbo->setBufferData(NULL, 0, 0);
      }
      SoBase::staticDataUnlock();
      if (setvbo) {
        SoGLVBOElement::setColorVBO(state, PRIVATE(this)->vbo);
      }    
    }
    if (this->isOverride()) {
      SoOverrideElement::setDiffuseColorOverride(state, this, TRUE);
    }
  }
}

// Doc from superclass.
void
SoPackedColor::callback(SoCallbackAction * action)
{
  SoPackedColor::doAction(action);
}

/*!
  Returns \c TRUE if there is at least one RGBA vector in the set
  which is not completely opaque.
 */
SbBool
SoPackedColor::isTransparent(void)
{
  if (PRIVATE(this)->checktransparent) {
    PRIVATE(this)->checktransparent = FALSE;
    PRIVATE(this)->transparent = FALSE;
    int n = this->orderedRGBA.getNum();
    for (int i = 0; i < n; i++) {
      if ((this->orderedRGBA[i] & 0xff) != 0xff) {
        PRIVATE(this)->transparent = TRUE;
        break;
      }
    }
  }
  return PRIVATE(this)->transparent;
}

// Documented in superclass.
void
SoPackedColor::notify(SoNotList *list)
{
  // Overridden to check for transparency when orderedRGBA changes.

  SoField *f = list->getLastField();
  if (f == &this->orderedRGBA) {
    PRIVATE(this)->checktransparent = TRUE;
  }
  inherited::notify(list);
}

#undef PRIVATE
Tip: Filter by directory path e.g. /media app.js to search for public/media/app.js.
Tip: Use camelCasing e.g. ProjME to search for ProjectModifiedEvent.java.
Tip: Filter by extension type e.g. /repo .js to search for all .js files in the /repo directory.
Tip: Separate your search with spaces e.g. /ssh pom.xml to search for src/ssh/pom.xml.
Tip: Use ↑ and ↓ arrow keys to navigate and return to view the file.
Tip: You can also navigate files with Ctrl+j (next) and Ctrl+k (previous) and view the file with Ctrl+o.
Tip: You can also navigate files with Alt+j (next) and Alt+k (previous) and view the file with Alt+o.