Coin / src / fields / SoMFVec3b.cpp

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/*!
  \class SoMFVec3b SoMFVec3b.h Inventor/fields/SoMFVec3b.h
  \brief The SoMFVec3b class is a container for SbVec3b vectors.
  \ingroup fields

  This field is used where nodes, engines or other field containers
  needs to store an array of vectors with three elements.

  This field supports application data sharing through a
  setValuesPointer() method. See SoMField documentation for
  information on how to use this function.

  \sa SbVec3b, SoSFVec3b
  \COIN_CLASS_EXTENSION
  \since Coin 2.5
*/

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

#include <Inventor/fields/SoMFVec3b.h>

#include <cassert>

#include <Inventor/SoInput.h>
#include <Inventor/errors/SoDebugError.h>

#include "fields/SoSubFieldP.h"
#include "fields/shared.h"

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

SO_MFIELD_SOURCE(SoMFVec3b, SbVec3b, SbVec3b);

SO_MFIELD_SETVALUESPOINTER_SOURCE(SoMFVec3b, SbVec3b, SbVec3b);
SO_MFIELD_SETVALUESPOINTER_SOURCE(SoMFVec3b, SbVec3b, int8_t);

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

// Override from parent class.
void
SoMFVec3b::initClass(void)
{
  SO_MFIELD_INTERNAL_INIT_CLASS(SoMFVec3b);
}

// No need to document readValue() and writeValue() here, as the
// necessary information is provided by the documentation of the
// parent classes.
#ifndef DOXYGEN_SKIP_THIS

SbBool
SoMFVec3b::read1Value(SoInput * in, int idx)
{
#if 1 // 12-25% speed increase when this is activated. pederb, 2004-02-17
  assert(idx < this->maxNum);
  return
    in->readByte(this->values[idx][0]) &&
    in->readByte(this->values[idx][1]) &&
    in->readByte(this->values[idx][2]);
#else // end of new, optimized version
  SbVec3b v;
  if (!sosfvec3b_read_value(in, v)) return FALSE;
  this->set1Value(idx, v);
  return TRUE;
#endif // old, slower version
}

void
SoMFVec3b::write1Value(SoOutput * out, int idx) const
{
  sosfvec3b_write_value(out, (*this)[idx]);
}

#endif // DOXYGEN_SKIP_THIS

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

/*!
  Set \a num vector array elements from the \a xyz array, reading from
  index 0 in the given float-triplet vector array and storing values
  from index \a start in this SoMFVec3f's array.

  If \a start + \a num is larger than the current number of elements
  in the SoMFVec3f field, this method will automatically expand the
  field to accommodate all given float-vector element values.
*/
void
SoMFVec3b::setValues(int start, int numarg, const int8_t xyz[][3])
{
  if (start+numarg > this->maxNum) this->allocValues(start+numarg);
  else if (start+numarg > this->num) this->num = start+numarg;

  for(int i=0; i < numarg; i++) this->values[start+i] = SbVec3b(xyz[i]);
  this->valueChanged();
}

/*!
  Set the vector at \a idx.
*/
void
SoMFVec3b::set1Value(int idx, int8_t x, int8_t y, int8_t z)
{
  this->set1Value(idx, SbVec3b(x, y, z));
}

/*!
  Set the vector at \a idx.
*/
void
SoMFVec3b::set1Value(int idx, const int8_t xyz[3])
{
  this->set1Value(idx, SbVec3b(xyz));
}

/*!
  Set this field to contain a single vector with the given
  element values.
*/
void
SoMFVec3b::setValue(int8_t x, int8_t y, int8_t z)
{
  this->setValue(SbVec3b(x, y, z));
}

/*!
  Set this field to contain a single vector with the given
  element values.
*/
void
SoMFVec3b::setValue(const int8_t xyz[3])
{
  if (xyz == NULL) this->setNum(0);
  else this->setValue(SbVec3b(xyz));
}

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

#ifdef COIN_TEST_SUITE

BOOST_AUTO_TEST_CASE(initialized)
{
  SoMFVec3b field;
  BOOST_CHECK_MESSAGE(field.getTypeId() != SoType::badType(),
                      "missing class initialization");
  BOOST_CHECK_EQUAL(field.getNum(), 0);
}

#endif // COIN_TEST_SUITE
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