Method ComputeNumberOfComponents

Imaging/Core/vtkAbstractImageInterpolator.cxx:210–222

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//------------------------------------------------------------------------------
int vtkAbstractImageInterpolator::ComputeNumberOfComponents(int inputCount)
{
  // validate the component range to extract
  int component = this->ComponentOffset;
  int count = this->ComponentCount;

  component = ((component > 0) ? component : 0);
  component = ((component < inputCount) ? component : inputCount - 1);
  count = ((count < (inputCount - component)) ? count : (inputCount - component));
  count = ((count > 0) ? count : (inputCount - component));

  return count;
}

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int vtkAbstractImageInterpolator::GetNumberOfComponents()