Method vtkLabeledTreeMapDataMapper

Rendering/Label/vtkLabeledTreeMapDataMapper.cxx:28–80

vtkStandardNewMacro(vtkLabeledTreeMapDataMapper);

vtkLabeledTreeMapDataMapper::vtkLabeledTreeMapDataMapper()
  : CurrentViewPort(nullptr)
  , FontHeights(nullptr)
  , FontWidths(nullptr)
  , MaxFontLevel(0)
  , MaxTreeLevels(100)
  , ClipTextMode(0)
  , ChildMotion(0)
  , StartLevel(0)
  , EndLevel(-1)
  , DynamicLevel(0)
{
  this->BoxTrans[0][0] = this->BoxTrans[1][0] = 0.0;
  this->BoxTrans[0][1] = this->BoxTrans[1][1] = 1.0;
  this->WindowLimits[0][0] = this->WindowLimits[1][0] = 0.0;
  this->WindowLimits[0][1] = this->WindowLimits[1][1] = 1.0;
  this->VCoord = vtkCoordinate::New();
  this->VertexList = vtkIdList::New();
  this->VertexList->SetNumberOfIds(this->NumberOfLabelsAllocated);
  this->TextPoints = vtkPoints::New();
  this->TextPoints->Allocate(this->NumberOfLabelsAllocated);
  this->VerticalLabelProperty = vtkTextProperty::New();
  this->VerticalLabelProperty->SetFontSize(12);
  this->VerticalLabelProperty->SetBold(1);
  this->VerticalLabelProperty->SetItalic(1);
  this->VerticalLabelProperty->SetShadow(1);
  this->VerticalLabelProperty->SetFontFamilyToArial();
  this->VerticalLabelProperty->SetJustificationToCentered();
  this->GetLabelTextProperty()->SetJustificationToCentered();
  this->VerticalLabelProperty->SetVerticalJustificationToCentered();
  this->GetLabelTextProperty()->SetVerticalJustificationToCentered();
  this->VerticalLabelProperty->SetOrientation(90.0);
  this->VerticalLabelProperty->SetColor(1, 1, 1);
  this->GetLabelTextProperty()->SetColor(1, 1, 1);
  this->GetLabelTextProperty()->SetFontSize(12);
  this->SetFontSizeRange(24, 10);
  this->ChildrenCount = new int[this->MaxTreeLevels + 1];
  this->LabelMasks = new float[this->MaxTreeLevels + 1][4];
  this->SetRectanglesArrayName("area");
  this->SetLabelFormat("{:s}");

  // Take control of the TextMappers array.
  // The superclass just created new TextMapper instances
  // up to the currently allocated amount (default 50).
  // Instead, we will store nullptr values until we need them.
  // This class will manage the maintenance and deletion of
  // this array.
  for (int i = 0; i < this->NumberOfLabelsAllocated; i++)
  {
    this->TextMappers[i]->Delete();
    this->TextMappers[i] = nullptr;
  }
}

vtkLabeledTreeMapDataMapper::~vtkLabeledTreeMapDataMapper()
{