Method Paint

Rendering/Context2D/vtkLabeledContourPolyDataItem.cxx:228–282

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

//------------------------------------------------------------------------------
bool vtkLabeledContourPolyDataItem::Paint(vtkContext2D* painter)
{
  if (!this->CheckInputs())
  {
    return false;
  }

  if (!this->LabelVisibility)
  {
    return this->Superclass::Paint(painter);
  }

  if (this->CheckRebuild())
  {
    double startPrep = vtkTimerLog::GetUniversalTime();

    this->Reset();

    if (!this->PrepareRender())
    {
      return false;
    }

    if (!this->PlaceLabels())
    {
      return false;
    }

    if (!this->ResolveLabels())
    {
      return false;
    }

    if (!this->CreateLabels())
    {
      return false;
    }

    this->Internal->PrepareTime = vtkTimerLog::GetUniversalTime() - startPrep;
    this->LabelBuildTime.Modified();
  }

  double startRender = vtkTimerLog::GetUniversalTime();

  this->Superclass::Paint(painter);

  if (!this->RenderLabels(painter))
  {
    return false;
  }

  this->Internal->RenderTime = vtkTimerLog::GetUniversalTime() - startRender;

  return true;
}

//------------------------------------------------------------------------------
void vtkLabeledContourPolyDataItem::SetTextProperty(vtkTextProperty* tprop)