IVViewer.cpp

#include <Inventor/nodes/SoCube.h>
#include "DGtal/io/viewers/IVViewer.h"
#include "DGtal/base/Common.h"

using namespace std;

// class IVViewer

// Standard services - public :

DGtal::IVViewer::~IVViewer()
{
#ifdef SGI_INVENTOR
  if ( myViewer != 0 ) delete (SoXtExaminerViewer*) myViewer;
  //  if ( myWindow != 0 ) delete (Widget) myWindow;
#else
  if ( myViewer != 0 ) delete (SoQtExaminerViewer*) myViewer;
  // if ( myWindow != 0 ) delete (QWidget*) myWindow;
#endif
  if ( myRoot != 0 ) myRoot->unref();
}

DGtal::IVViewer::IVViewer( int argc, char** argv )
  : myWindow( 0 ), myViewer( 0 ), myRoot( 0 ), myTitle( "IVViewer" )
{
  // Initialize Inventor and Xt
#ifdef SGI_INVENTOR
  cout << "Initializing Inventor and Xt..." << endl;
  myWindow = (Widget) SoXt::init( argc, argv, "Digital Viewer" );
#else
  cout << "Initializing Inventor and Qt..." << endl;
  myWindow = (QWidget*) SoQt::init( argc, argv, "Digital Viewer" );
#endif

  if (myWindow == 0) exit(1);

  // Define Inventor node.
  cout << "Creating node, shapehints, material..." << endl;
  myRoot = new SoSeparator;
  myRoot->ref();

#ifdef SGI_INVENTOR
  myViewer = (SoXtExaminerViewer *)
    new SoXtExaminerViewer( (Widget) myWindow );
#else
  myViewer = (SoQtExaminerViewer *)
    new SoQtExaminerViewer( (QWidget*) myWindow );
#endif
  
}

SoSeparator* DGtal::IVViewer::root() const
{
  return myRoot;
}

void DGtal::IVViewer::setTitle( const std::string & title )
{
  myTitle = title;
}



void DGtal::IVViewer::setCamera( float latitude, float longitude )
{
  SbVec3f x_axis( 1.0, 0.0, 0.0 );
  latitude *= M_PI / 180.0f;
  SbRotation x_rot( x_axis, latitude );
  SbVec3f y_axis( 0.0, 1.0, 0.0 );
  longitude *= - M_PI / 180.0f;
  SbRotation y_rot( y_axis, longitude );
  SoTransform* transform = new SoTransform;
  transform->rotation.setValue( y_rot * x_rot );
  myRoot->insertChild( transform, 0 );
  
}


void DGtal::IVViewer::show() const
{
#ifdef SGI_INVENTOR
  SoXtExaminerViewer* lViewer = (SoXtExaminerViewer*) myViewer;
#else
  SoQtExaminerViewer* lViewer = (SoQtExaminerViewer*) myViewer;
#endif
 
  lViewer->setSceneGraph( myRoot );
  //  lViewer->setTitle( myTitle.c_str() );
  lViewer->show();
  lViewer->viewAll();

#ifdef SGI_INVENTOR
  SoXt::show((Widget) myWindow);
  SoXt::mainLoop();
#else
  SoQt::show((QWidget*) myWindow);
  SoQt::mainLoop();
#endif

}



// Interface - public :

void
DGtal::IVViewer::selfDisplay ( std::ostream & out ) const
{
    out << "[IVViewer]";
}

bool
DGtal::IVViewer::isValid() const
{
    return true;
}



// Internals - private :

//                                                                           //