Method RebuildLayout

Rendering/Annotation/vtkScalarBarActor.cxx:785–846

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
void vtkScalarBarActor::RebuildLayout(vtkViewport* viewport)
{
  vtkDebugMacro(<< "Rebuilding subobjects");

  this->P->Viewport = viewport;
  this->FreeLayoutStorage();

  // Permute indices used to measure width and height
  // so that thickness and length according to the orientation
  // of the scalar bar instead.
  if (this->Orientation == VTK_ORIENT_VERTICAL)
  {
    this->P->TL[0] = 0;
    this->P->TL[1] = 1;
  }
  else
  {
    this->P->TL[0] = 1;
    this->P->TL[1] = 0;
  }
  this->P->NumNotes = this->LookupTable->GetNumberOfAnnotatedValues();

  // Warning: The order of these calls is extremely important
  // as each updates members of this->P used by later methods!
  this->ComputeFrame();
  this->ComputeScalarBarThickness();
  this->ComputeSwatchPad();
  this->LayoutNanSwatch();
  this->LayoutBelowRangeSwatch();
  this->LayoutAboveRangeSwatch();

  this->PrepareTitleText();
  this->LayoutTitle();
  this->ComputeScalarBarLength();

  this->LayoutAboveRangeSwatchPosn();

  this->LayoutTicks();

  this->LayoutAnnotations();

  if (this->UnconstrainedFontSize)
  {
    this->LayoutForUnconstrainedFont();
  }

  // Now generate/configure the VTK datasets and actors that
  // illustrate the scalar bar when rendered using the
  // layout computed above.
  this->ConfigureAnnotations();
  this->ConfigureFrame();
  this->ConfigureScalarBar();
  this->ConfigureTitle();
  this->ConfigureTicks();
  this->ConfigureNanSwatch();
  this->ConfigureAboveBelowRangeSwatch(false);
  this->ConfigureAboveBelowRangeSwatch(true);
#ifdef VTK_DBG_LAYOUT