/*=========================================================================

  Program:   Visualization Toolkit
  Module:    TestTextWidget.cxx

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
//
// This example tests the vtkTextWidget

// First include the required header files for the VTK classes we are using.
#include "vtkSmartPointer.h"

#include "vtkActor.h"
#include "vtkCommand.h"
#include "vtkCoordinate.h"
#include "vtkInteractorEventRecorder.h"
#include "vtkPolyDataMapper.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderer.h"
#include "vtkSphereSource.h"
#include "vtkTextActor.h"
#include "vtkTextProperty.h"
#include "vtkTextRepresentation.h"
#include "vtkTextWidget.h"

int TestTextWidget(int vtkNotUsed(argc), char* vtkNotUsed(argv)[])
{
  // Create the RenderWindow, Renderer and both Actors
  //
  vtkSmartPointer<vtkRenderer> ren1 = vtkSmartPointer<vtkRenderer>::New();
  vtkSmartPointer<vtkRenderWindow> renWin = vtkSmartPointer<vtkRenderWindow>::New();
  renWin->AddRenderer(ren1);

  vtkSmartPointer<vtkRenderWindowInteractor> iren =
    vtkSmartPointer<vtkRenderWindowInteractor>::New();
  iren->SetRenderWindow(renWin);

  // Create a test pipeline
  //
  vtkSmartPointer<vtkSphereSource> ss = vtkSmartPointer<vtkSphereSource>::New();
  vtkSmartPointer<vtkPolyDataMapper> mapper = vtkSmartPointer<vtkPolyDataMapper>::New();
  mapper->SetInputConnection(ss->GetOutputPort());
  vtkSmartPointer<vtkActor> actor = vtkSmartPointer<vtkActor>::New();
  actor->SetMapper(mapper);

  // Create the widget
  vtkSmartPointer<vtkTextActor> ta = vtkSmartPointer<vtkTextActor>::New();
  ta->SetInput("This is a test");
  ta->GetTextProperty()->SetColor(0.0, 1.0, 0.0);

  vtkSmartPointer<vtkTextWidget> widget = vtkSmartPointer<vtkTextWidget>::New();

  vtkSmartPointer<vtkTextRepresentation> rep = vtkSmartPointer<vtkTextRepresentation>::New();
  rep->GetPositionCoordinate()->SetValue(.15, .15);
  rep->GetPosition2Coordinate()->SetValue(.7, .2);
  widget->SetRepresentation(rep);

  widget->SetInteractor(iren);
  widget->SetTextActor(ta);
  widget->SelectableOff();

  // Add the actors to the renderer, set the background and size
  //
  ren1->AddActor(actor);
  ren1->SetBackground(0.1, 0.2, 0.4);
  renWin->SetSize(300, 300);

  // record events
  vtkSmartPointer<vtkInteractorEventRecorder> recorder =
    vtkSmartPointer<vtkInteractorEventRecorder>::New();
  recorder->SetInteractor(iren);
  recorder->SetFileName("c:/record.log");
  //  recorder->Record();
  //  recorder->ReadFromInputStringOn();
  //  recorder->SetInputString(eventLog);

  // render the image
  //
  iren->Initialize();
  renWin->Render();
  widget->On();
  renWin->Render();
  //  recorder->Play();

  // Remove the observers so we can go interactive. Without this the "-I"
  // testing option fails.
  recorder->Off();

  iren->Start();

  return EXIT_SUCCESS;
}
