Method vtkTextMapper

Rendering/Core/vtkTextMapper.cxx:31–68

------------------------------------------------------------------------------ Creates a new text mapper

//------------------------------------------------------------------------------
// Creates a new text mapper
vtkTextMapper::vtkTextMapper()
{
  this->Input = nullptr;
  this->TextProperty = nullptr;

  this->RenderedDPI = 0;

  vtkNew<vtkTextProperty> tprop;
  this->SetTextProperty(tprop);

  this->Points->SetNumberOfPoints(4);
  this->Points->SetPoint(0, 0., 0., 0.);
  this->Points->SetPoint(1, 0., 0., 0.);
  this->Points->SetPoint(2, 0., 0., 0.);
  this->Points->SetPoint(3, 0., 0., 0.);
  this->PolyData->SetPoints(this->Points);

  vtkNew<vtkCellArray> quad;
  quad->InsertNextCell(4);
  quad->InsertCellPoint(0);
  quad->InsertCellPoint(1);
  quad->InsertCellPoint(2);
  quad->InsertCellPoint(3);
  this->PolyData->SetPolys(quad);

  vtkNew<vtkFloatArray> tcoords;
  tcoords->SetNumberOfComponents(2);
  tcoords->SetNumberOfTuples(4);
  tcoords->SetTuple2(0, 0., 0.);
  tcoords->SetTuple2(1, 0., 0.);
  tcoords->SetTuple2(2, 0., 0.);
  tcoords->SetTuple2(3, 0., 0.);
  this->PolyData->GetPointData()->SetTCoords(tcoords);
  this->Mapper->SetInputData(this->PolyData);

  this->Texture->SetInputData(this->Image);
  this->TextDims[0] = this->TextDims[1] = 0;
}

//------------------------------------------------------------------------------
// Shallow copy of an actor.