/*===========================================================================*\
*                                                                            *
*                              OpenFlipper                                   *
*      Copyright (C) 2001-2011 by Computer Graphics Group, RWTH Aachen       *
*                           www.openflipper.org                              *
*                                                                            *
*--------------------------------------------------------------------------- *
*  This file is part of OpenFlipper.                                         *
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*  OpenFlipper is free software: you can redistribute it and/or modify       *
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*  or inline functions from this file, or you compile this file and          *
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*  GNU Lesser General Public License. This exception does not however        *
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\*===========================================================================*/

/*===========================================================================*\
*                                                                            *
*   $Revision$                                                       *
*   $LastChangedBy$                                                *
*   $Date$                     *
*                                                                            *
\*===========================================================================*/



//=============================================================================
//
//  CLASS CoreWidget - IMPLEMENTATION
//
//=============================================================================


//== INCLUDES =================================================================

#include "CoreWidget.hh"

#include <ACG/Scenegraph/CoordsysNode.hh>
#include <OpenFlipper/BasePlugin/PluginFunctions.hh>
#include <OpenFlipper/common/GlobalOptions.hh>
#include <OpenFlipper/widgets/snapshotDialog/SnapshotDialog.hh>


//== IMPLEMENTATION ==========================================================

//=============================================================================

void CoreWidget::slotToggleStereoMode()
{
  stereoActive_ = !stereoActive_;

  if ( stereoActive_ ) {
    statusBar_->showMessage(tr("Stereo enabled"));
    stereoButton_->setIcon( QIcon(OpenFlipper::Options::iconDirStr()+OpenFlipper::Options::dirSeparator()+"stereo.png") );
  } else {
    statusBar_->showMessage(tr("Stereo disabled"));
    stereoButton_->setIcon( QIcon(OpenFlipper::Options::iconDirStr()+OpenFlipper::Options::dirSeparator()+"mono.png") );
  }

  cursorPainter_->setEnabled (stereoActive_);

  for ( unsigned int i = 0 ; i < OpenFlipper::Options::examinerWidgets() ; ++i )
    examiner_widgets_[i]->setStereoMode(stereoActive_);
}

void CoreWidget::slotSetGlobalBackgroundColor() {
  ACG::Vec4f bc = PluginFunctions::viewerProperties().backgroundColor() * 255.0;

  QColor backCol((int)bc[0], (int)bc[1], (int)bc[2], (int)bc[3]);
  QColor c = QColorDialog::getColor(backCol,this);

  if (c != backCol && c.isValid())
    for ( uint i = 0 ; i < OpenFlipper::Options::examinerWidgets(); ++i )
      PluginFunctions::viewerProperties(i).backgroundColor(ACG::Vec4f(((double) c.redF())   ,
                                                                      ((double) c.greenF()) ,
                                                                      ((double) c.blueF())  ,
                                                                        1.0));

  OpenFlipperSettings().setValue("Core/Gui/glViewer/defaultBackgroundColor",c);

}

void CoreWidget::slotSetContextBackgroundColor() {
  ACG::Vec4f bc = PluginFunctions::viewerProperties().backgroundColor() * 255.0;

  QColor backCol((int)bc[0], (int)bc[1], (int)bc[2], (int)bc[3]);
  QColor c = QColorDialog::getColor(backCol,this);

  if (c != backCol && c.isValid())
    PluginFunctions::viewerProperties().backgroundColor(ACG::Vec4f(((double) c.redF())   ,
                                                                    ((double) c.greenF()) ,
                                                                    ((double) c.blueF())  ,
                                                                     1.0));
}


/// Set the viewer to home position
void CoreWidget::slotContextHomeView() {
  examiner_widgets_[PluginFunctions::activeExaminer()]->home();
}

/// Show / hide wheels in examiner windows
void CoreWidget::slotSwitchWheels(bool _state) {
  std::vector< glViewer* >::iterator it = examiner_widgets_.begin();

  for(; it != examiner_widgets_.end(); ++it)
    _state ? (*it)->slotShowWheels() : (*it)->slotHideWheels();
}

/// Switch navigation mode
void CoreWidget::slotSwitchNavigation(bool _egomode) {
  std::vector< glViewer* >::iterator it = examiner_widgets_.begin();

  for(; it != examiner_widgets_.end(); ++it) {
    _egomode ? (*it)->navigationMode(glViewer::FIRSTPERSON_NAVIGATION) :
    	(*it)->navigationMode(glViewer::NORMAL_NAVIGATION);
  }
}

/// Set the viewer to home position
void CoreWidget::slotGlobalHomeView() {
  for ( int i = 0 ; i < PluginFunctions::viewers() ; ++i )
    examiner_widgets_[i]->home();
}

/// Set the viewers home position
void CoreWidget::slotContextSetHomeView() {
  examiner_widgets_[PluginFunctions::activeExaminer()]->setHome();
}


/// Set the home position for all viewers
void CoreWidget::slotGlobalSetHomeView() {
  for ( int i = 0 ; i < PluginFunctions::viewers() ; ++i )
    examiner_widgets_[i]->setHome();
}

/// Change view on active viewer to view complete scene
void CoreWidget::slotContextViewAll() {
  examiner_widgets_[PluginFunctions::activeExaminer()]->viewAll();
}


/// Change view on all viewers to view complete scene
void CoreWidget::slotGlobalViewAll() {
  for ( int i = 0 ; i < PluginFunctions::viewers() ; ++i )
    examiner_widgets_[i]->viewAll();
}

/// Toggle projection mode of the active viewer
void CoreWidget::slotContextSwitchProjection() {
  examiner_widgets_[PluginFunctions::activeExaminer()]->toggleProjectionMode();
}

/// Toggle coordsys projection mode of the active viewer
ACG::SceneGraph::CoordsysNode::ProjectionMode CoreWidget::getCoordsysProjection() {  
    // Find coordsys node
    ACG::SceneGraph::BaseNode* node = 0;
    node = PluginFunctions::getSceneGraphRootNode()->find("Core Coordsys Node");
    if (node != 0) {
	return dynamic_cast<ACG::SceneGraph::CoordsysNode*> (node)->getProjectionMode();
    } else {
        emit statusMessage(QString(tr("getCoordsysProjection(): Could not find coordsys node. Assuming default orthographic projection.")));
	return ACG::SceneGraph::CoordsysNode::ORTHOGRAPHIC_PROJECTION;
    }
}

/// Toggle coordsys projection mode of the active viewer
void CoreWidget::slotContextSwitchCoordsysProjection() {
    // Find coordsys node
    ACG::SceneGraph::BaseNode* node = 0;
    node = PluginFunctions::getSceneGraphRootNode()->find("Core Coordsys Node");
    if (node != 0) {
        ACG::SceneGraph::CoordsysNode* cnode = dynamic_cast<ACG::SceneGraph::CoordsysNode*> (node);
        if (cnode->getProjectionMode() == ACG::SceneGraph::CoordsysNode::PERSPECTIVE_PROJECTION) {
            cnode->setProjectionMode(ACG::SceneGraph::CoordsysNode::ORTHOGRAPHIC_PROJECTION);
        }
        else {
            cnode->setProjectionMode(ACG::SceneGraph::CoordsysNode::PERSPECTIVE_PROJECTION);
        }
    } else {
        emit statusMessage(QString(tr("slotContextSwitchCoordsysProjection(): Could not find coordsys node, thus its projection mode will not be toggled.")));
    }

    for ( unsigned int i = 0 ; i < OpenFlipper::Options::examinerWidgets() ; ++i )
        examiner_widgets_[i]->updateGL();
}

/// Toggle projection mode of all viewers to perspective projection
void CoreWidget::slotGlobalPerspectiveProjection() {
  for ( int i = 0 ; i < PluginFunctions::viewers() ; ++i )
    examiner_widgets_[i]->perspectiveProjection();
}

/// Toggle projection mode of all viewers to orthogonal projection
void CoreWidget::slotGlobalOrthographicProjection() {
  for ( int i = 0 ; i < PluginFunctions::viewers() ; ++i )
    examiner_widgets_[i]->orthographicProjection();
}


/// If animation is disabled in all viewers, enable it in all viewers. Otherwise disable it.
void CoreWidget::slotGlobalToggleAnimation() {
  int enabledCount  = 0;

  for ( int i = 0 ; i< PluginFunctions::viewers(); ++i ) {
    if ( PluginFunctions::viewerProperties(i).animation() )
      enabledCount++;
  }
  
  slotGlobalChangeAnimation (enabledCount == 0);
}

/// Set the animation mode for all viewers
void CoreWidget::slotGlobalChangeAnimation(bool _animation){
  for ( uint i = 0 ; i < OpenFlipper::Options::examinerWidgets() ; ++i )
    PluginFunctions::viewerProperties(i).animation(_animation);
}

/// Set the animation mode for active viewer
void CoreWidget::slotLocalChangeAnimation(bool _animation){
  PluginFunctions::viewerProperties().animation(_animation);
}


/// If backface culling is disabled in all viewers, enable it in all viewers. Otherwise disable it.
void CoreWidget::slotGlobalToggleBackFaceCulling() {
  int enabledCount  = 0;

  for ( int i = 0 ; i< PluginFunctions::viewers(); ++i ) {
    if ( PluginFunctions::viewerProperties(i).backFaceCulling() )
      enabledCount++;
  }
  
  slotGlobalChangeBackFaceCulling (enabledCount == 0);
}

/// Set backface culling for all viewers
void CoreWidget::slotGlobalChangeBackFaceCulling(bool _backFaceCulling){
  for ( uint i = 0 ; i < OpenFlipper::Options::examinerWidgets() ; ++i )
    PluginFunctions::viewerProperties(i).backFaceCulling(_backFaceCulling);

}

/// Set backface culling for active viewer
void CoreWidget::slotLocalChangeBackFaceCulling(bool _backFaceCulling){
  PluginFunctions::viewerProperties().backFaceCulling(_backFaceCulling);
}


/// If two-sided lighting is disabled in all viewers, enable it in all viewers. Otherwise disable it.
void CoreWidget::slotGlobalToggleTwoSidedLighting() {
  int enabledCount  = 0;

  for ( int i = 0 ; i< PluginFunctions::viewers(); ++i ) {
    if ( PluginFunctions::viewerProperties(i).twoSidedLighting() )
      enabledCount++;
  }
  
  slotGlobalChangeTwoSidedLighting (enabledCount == 0);
}

/// Set two-sided lighting for all viewers
void CoreWidget::slotGlobalChangeTwoSidedLighting(bool _lighting) {
  for ( uint i = 0 ; i < OpenFlipper::Options::examinerWidgets() ; ++i )
    PluginFunctions::viewerProperties(i).twoSidedLighting(_lighting);
}

/// Set two-sided lighting for active viewer
void CoreWidget::slotLocalChangeTwoSidedLighting(bool _lighting) {
  PluginFunctions::viewerProperties().twoSidedLighting(_lighting);
}


/// If multisampling is disabled in all viewers, enable it in all viewers. Otherwise disable it.
void CoreWidget::slotGlobalToggleMultisampling() {
  int enabledCount  = 0;

  for ( int i = 0 ; i< PluginFunctions::viewers(); ++i ) {
    if ( PluginFunctions::viewerProperties(i).multisampling() )
      enabledCount++;
  }
  
  slotGlobalChangeMultisampling (enabledCount == 0);
}

/// Set multisampling for all viewers
void CoreWidget::slotGlobalChangeMultisampling(bool _multisampling) {
  for ( uint i = 0 ; i < OpenFlipper::Options::examinerWidgets() ; ++i )
    PluginFunctions::viewerProperties(i).multisampling( _multisampling );
}

/// Set multisampling for active viewer
void CoreWidget::slotLocalChangeMultisampling(bool _multisampling) {
  PluginFunctions::viewerProperties().multisampling( _multisampling );
}


/// If mipmapping is disabled in all viewers, enable it in all viewers. Otherwise disable it.
void CoreWidget::slotGlobalToggleMipmapping() {
  int enabledCount  = 0;

  for ( int i = 0 ; i< PluginFunctions::viewers(); ++i ) {
    if ( PluginFunctions::viewerProperties(i).mipmapping() )
      enabledCount++;
  }
  
  slotGlobalChangeMipmapping (enabledCount == 0);
}

/// Set mipmapping for all viewers
void CoreWidget::slotGlobalChangeMipmapping(bool _mipmapping) {
  for ( uint i = 0 ; i < OpenFlipper::Options::examinerWidgets() ; ++i )
    PluginFunctions::viewerProperties(i).mipmapping( _mipmapping );
}

/// Set mipmapping for active viewer
void CoreWidget::slotLocalChangeMipmapping(bool _mipmapping) {
  PluginFunctions::viewerProperties().mipmapping( _mipmapping );
}

/// Take a snapshot of the current Viewer
void CoreWidget::slotExaminerSnapshot() {

  QFileInfo fi(PluginFunctions::viewerProperties().snapshotName());
  int counter = PluginFunctions::viewerProperties().snapshotCounter();

    // Add leading zeros
  QString number = QString::number(counter);
  while ( number.size() < 7 )
    number = "0" + number;

  QString suggest = fi.baseName() + "." + number + ".";

  QString format="png";

  if (fi.completeSuffix() == "ppm")
    format="ppmraw";

  if (fi.completeSuffix() == "jpg")
    format="jpg";

  suggest += format;

  QFileDialog dialog(this);
  dialog.setFileMode(QFileDialog::AnyFile);
  dialog.setDefaultSuffix("png");
  dialog.setNameFilter(tr("Images (*.png *.ppm *.jpg)"));
  dialog.setFileMode(QFileDialog::AnyFile);
  dialog.setConfirmOverwrite(true);
  dialog.setDirectory( fi.path() );
  dialog.selectFile( suggest );
  dialog.setAcceptMode(QFileDialog::AcceptSave);
  dialog.setWindowTitle(tr("Save Snapshot"));

 if (dialog.exec()){
     QString newName = dialog.selectedFiles()[0];

      if (newName != fi.path() + OpenFlipper::Options::dirSeparator() + suggest)
        PluginFunctions::viewerProperties().snapshotBaseFileName(newName);

      QImage image;
      examiner_widgets_[PluginFunctions::activeExaminer()]->snapshot(image);

      image.save(newName);
  }
}

///Take a snapshot of the whole application
void CoreWidget::applicationSnapshotDialog() {

  QFileInfo fi(snapshotName_);
  
  if (snapshotName_ == "")
    fi.setFile( OpenFlipperSettings().value("Core/CurrentDir").toString() + QDir::separator() + "snap.png" );

  // Add leading zeros
  QString number = QString::number(snapshotCounter_);
  while ( number.size() < 7 )
    number = "0" + number;

  QString suggest = fi.path() + QDir::separator() + fi.baseName() + "." + number + ".";

  QString format="png";

  if (fi.completeSuffix() == "ppm")
    format="ppmraw";

  if (fi.completeSuffix() == "jpg")
    format="jpg";

  suggest += format;

  int w = width();
  int h = height();

  SnapshotDialog dialog(suggest, false, w, h, 0);
  
  connect(&dialog, SIGNAL(resizeApplication(int,int)), this, SIGNAL(resizeApplication(int,int)) );

  bool ok = dialog.exec();

  if ( ok ){
    QString newName = dialog.filename->text();

    if (newName != suggest){
      
      OpenFlipperSettings().setValue("Core/CurrentDir", QFileInfo(newName).absolutePath() );
      
      snapshotName_ = newName;
      snapshotCounter_ = 1;
    }else
      snapshotCounter_++;

    QPixmap pic = QPixmap::grabWindow( winId() );

    pic.save(newName);
  }

  emit resizeApplication(w,h);
}

///Take a snapshot of the whole application
void CoreWidget::applicationSnapshot() {

  QFileInfo fi(snapshotName_);

  // Add leading zeros
  QString number = QString::number(snapshotCounter_++);
  while ( number.size() < 7 )
    number = "0" + number;

  QString suggest = fi.path() + QDir::separator() +fi.baseName() + "." + number + ".";

  QString format="png";

  if (fi.completeSuffix() == "ppm")
    format="ppmraw";

  if (fi.completeSuffix() == "jpg")
    format="jpg";

  suggest += format;

  // Write image asynchronously
  QPixmap* pic = new QPixmap(QPixmap::grabWindow( winId() ));
  writeImageAsynchronously(pic, suggest);
}


///Take a snapshot of all viewers
void CoreWidget::viewerSnapshotDialog() {

  QFileInfo fi(snapshotName_);
  
  if (snapshotName_ == "")
    fi.setFile( OpenFlipperSettings().value("Core/CurrentDir").toString() + QDir::separator() + "snap.png" );

  // Add leading zeros
  QString number = QString::number(snapshotCounter_);
  while ( number.size() < 7 )
    number = "0" + number;

  QString suggest = fi.path() + QDir::separator() + fi.baseName() + "." + number + ".";

  QString format="png";

  if (fi.completeSuffix() == "ppm")
    format="ppmraw";

  if (fi.completeSuffix() == "jpg")
    format="jpg";

  suggest += format;

  int w = glView_->width();
  int h = glView_->height();
  
  SnapshotDialog dialog(suggest, true, w, h, 0);
  
  bool ok = dialog.exec();

  if (ok){
    QString newName = dialog.filename->text();

    if (newName != suggest){
      
      OpenFlipperSettings().setValue("Core/CurrentDir", QFileInfo(newName).absolutePath() );
      
      snapshotName_ = newName;
      snapshotCounter_ = 1;
      
    }else
      snapshotCounter_++;
    
    //now take the snapshot
    switch ( baseLayout_->mode() ){

      case QtMultiViewLayout::SingleView:
      {
        QImage finalImage;

        examiner_widgets_[PluginFunctions::activeExaminer()]->snapshot(finalImage,
            dialog.snapWidth->value(), dialog.snapHeight->value(),
            dialog.transparent->isChecked(), dialog.hideCoordsys->isChecked(),
            dialog.multisampling->isChecked() ? dialog.num_samples->value() : 1);

        finalImage.save(newName);

        break;
      }
      case QtMultiViewLayout::DoubleView:
      {
    	int w = dialog.snapHeight->value();

    	double relSizeW = static_cast<double>( examiner_widgets_[0]->glWidth() / static_cast<double>( glScene_->width() ) );

    	//Get the images
    	QImage img[2];
    	examiner_widgets_[0]->snapshot(img[0], static_cast<int>(relSizeW * w) , dialog.snapWidth->value(),
    								   dialog.transparent->isChecked(), dialog.hideCoordsys->isChecked());
    	examiner_widgets_[1]->snapshot(img[1], static_cast<int>(relSizeW * w) , dialog.snapWidth->value(),
    	    						   dialog.transparent->isChecked(), dialog.hideCoordsys->isChecked());

    	QImage finalImage(img[0].width() + img[1].width() +2, img[0].height(), QImage::Format_ARGB32_Premultiplied);

    	QPainter painter(&finalImage);

    	painter.fillRect(0,0,finalImage.width(), finalImage.height(), QBrush(Qt::gray));

    	painter.drawImage(QRectF(           0,             0, img[0].width(), img[0].height()),img[0],
    	                  QRectF(           0,             0, img[0].width(), img[0].height()) );
    	painter.drawImage(QRectF(img[0].width()+2,         0, img[1].width(), img[1].height()),img[1],
    	                  QRectF(           0,             0, img[1].width(), img[1].height()) );

    	finalImage.save(newName);

    	break;
      }

      case QtMultiViewLayout::Grid:
      {
        // Compute size of each viewer
        int w = dialog.snapWidth->value();
        int h = dialog.snapHeight->value();
        
        // Relative size of first viewer (in relation to the other viewers
        double relSizeW = (double)examiner_widgets_[0]->glWidth() / (double)glScene_->width();
        double relSizeH = (double)examiner_widgets_[0]->glHeight() / (double)glScene_->height();
          
        QImage img0,img1,img2,img3;

        examiner_widgets_[0]->snapshot(img0, (int)((double)w * relSizeW),           (int)((double)h * relSizeH),
                                       dialog.transparent->isChecked(), dialog.hideCoordsys->isChecked());
        examiner_widgets_[1]->snapshot(img1, (int)((double)w * (1.0 - relSizeW)),   (int)((double)h * relSizeH),
                                       dialog.transparent->isChecked(), dialog.hideCoordsys->isChecked());
        examiner_widgets_[2]->snapshot(img2, (int)((double)w * relSizeW),           (int)((double)h * (1.0 - relSizeH)),
                                       dialog.transparent->isChecked(), dialog.hideCoordsys->isChecked());
        examiner_widgets_[3]->snapshot(img3, (int)((double)w * (1.0 - relSizeW)),   (int)((double)h * (1.0 - relSizeH)),
                                       dialog.transparent->isChecked(), dialog.hideCoordsys->isChecked());

        QImage finalImage(img0.width() + img1.width()+2, img0.height() + img2.height()+2, QImage::Format_ARGB32_Premultiplied);

        QPainter painter(&finalImage);

        painter.fillRect(0,0,finalImage.width(), finalImage.height(), QBrush(Qt::gray));

        painter.drawImage(QRectF(           0,             0, img0.width(), img0.height()),img0,
                          QRectF(           0,             0, img0.width(), img0.height()) );
        painter.drawImage(QRectF(img0.width()+2,           0, img1.width(), img1.height()),img1,
                          QRectF(           0,             0, img1.width(), img1.height()) );
        painter.drawImage(QRectF(          0,img0.height()+2, img2.width(), img2.height()),img2,
                          QRectF(           0,             0, img2.width(), img2.height()) );
        painter.drawImage(QRectF(img0.width()+2, img0.height()+2, img3.width(), img3.height()),img3,
                          QRectF(           0,             0, img3.width(), img3.height()) );

        finalImage.save(newName);

        break;
      }
      case QtMultiViewLayout::HSplit:
      {
        // Compute size of each viewer
        int w = dialog.snapWidth->value();
        int h = dialog.snapHeight->value();
        
        // Relative size of first viewer (in relation to the other viewers
        double relSizeW = (double)examiner_widgets_[0]->glWidth() / (double)glScene_->width();
        double relSizeH1 = (double)examiner_widgets_[1]->glHeight() / (double)glScene_->height();
        double relSizeH2 = (double)examiner_widgets_[2]->glHeight() / (double)glScene_->height();
        double relSizeH3 = (double)examiner_widgets_[3]->glHeight() / (double)glScene_->height();
          
        QImage img0,img1,img2,img3;

        examiner_widgets_[0]->snapshot(img0, (int)((double)w * relSizeW), h,
                                       dialog.transparent->isChecked(), dialog.hideCoordsys->isChecked());
        examiner_widgets_[1]->snapshot(img1, (int)((double)w * (1.0 - relSizeW)), relSizeH1 * (double)h,
                                       dialog.transparent->isChecked(), dialog.hideCoordsys->isChecked());
        examiner_widgets_[2]->snapshot(img2, (int)((double)w * (1.0 - relSizeW)), relSizeH2 * (double)h,
                                       dialog.transparent->isChecked(), dialog.hideCoordsys->isChecked());
        examiner_widgets_[3]->snapshot(img3, (int)((double)w * (1.0 - relSizeW)), relSizeH3 * (double)h,
                                       dialog.transparent->isChecked(), dialog.hideCoordsys->isChecked());

        QImage finalImage(img0.width() + img1.width() +2, img0.height(), QImage::Format_ARGB32_Premultiplied);

        QPainter painter(&finalImage);

        painter.fillRect(0,0,finalImage.width(), finalImage.height(), QBrush(Qt::gray));

        painter.drawImage(QRectF(           0,             0, img0.width(), img0.height()),img0,
                          QRectF(           0,             0, img0.width(), img0.height()) );
        painter.drawImage(QRectF(img0.width()+2,             0, img1.width(), img1.height()),img1,
                          QRectF(           0,             0, img1.width(), img1.height()) );
        painter.drawImage(QRectF(img0.width()+2, img1.height()+2, img2.width(), img2.height()),img2,
                          QRectF(           0,             0, img2.width(), img2.height()) );
        painter.drawImage(QRectF(img0.width()+2, img1.height()+img2.height()+4, img3.width(),img3.height()),img3,
                          QRectF(           0,             0, img3.width(), img3.height()) );

        finalImage.save(newName);

        break;
      }
      default: break;

    }
  }
  //glView_->resize(w, h);
}

///Take a snapshot of all viewers
void CoreWidget::viewerSnapshot() {

  QFileInfo fi(snapshotName_);

  // Add leading zeros
  QString number = QString::number(snapshotCounter_++);
  while ( number.size() < 7 )
    number = "0" + number;

  QString suggest = fi.path() + QDir::separator() +fi.baseName() + "." + number + ".";

  QString format="png";

  if (fi.completeSuffix() == "ppm")
    format="ppmraw";

  if (fi.completeSuffix() == "jpg")
    format="jpg";

  suggest += format;


  switch ( baseLayout_->mode() ){

    case QtMultiViewLayout::SingleView:
    {
      QImage* finalImage = new QImage();

      examiner_widgets_[PluginFunctions::activeExaminer()]->snapshot(*finalImage);

      writeImageAsynchronously(finalImage, suggest);

      break;
    }
    case QtMultiViewLayout::DoubleView:
    {
    	//Get the images
    	QImage img[2];
    	examiner_widgets_[0]->snapshot(img[0]);
    	examiner_widgets_[1]->snapshot(img[1]);

    	QImage* finalImage = new QImage(img[0].width() + img[1].width() +2, img[0].height(), QImage::Format_ARGB32_Premultiplied);

    	QPainter painter(finalImage);

    	painter.fillRect(0,0,finalImage->width(), finalImage->height(), QBrush(Qt::gray));

    	painter.drawImage(QRectF(           0,             0, img[0].width(), img[0].height()),img[0],
    			              QRectF(           0,             0, img[0].width(), img[0].height()) );
    	painter.drawImage(QRectF(img[0].width()+2,         0, img[1].width(), img[1].height()),img[1],
    	              		QRectF(           0,             0, img[1].width(), img[1].height()) );

    	writeImageAsynchronously(finalImage, suggest);

    	break;
    }

    case QtMultiViewLayout::Grid:
    {
      QImage img0,img1,img2,img3;
      
      examiner_widgets_[0]->snapshot(img0);
      examiner_widgets_[1]->snapshot(img1);
      examiner_widgets_[2]->snapshot(img2);
      examiner_widgets_[3]->snapshot(img3);

      QImage* finalImage = new QImage(img0.width() + img1.width() + 2, img0.height() + img2.height() + 2, QImage::Format_ARGB32_Premultiplied);

      QPainter painter(finalImage);

      painter.fillRect(0,0,finalImage->width(), finalImage->height(), QBrush(Qt::gray));

      painter.drawImage(QRectF(           0,             0, img0.width(), img0.height()),img0,
                        QRectF(           0,             0, img0.width(), img0.height()) );
      painter.drawImage(QRectF(img0.width()+2,           0, img1.width(), img1.height()),img1,
                        QRectF(           0,             0, img1.width(), img1.height()) );
      painter.drawImage(QRectF(           0, img0.height()+2, img2.width(), img2.height()),img2,
                        QRectF(           0,             0, img2.width(), img2.height()) );
      painter.drawImage(QRectF(img0.width()+2, img0.height()+2, img3.width(), img3.height()),img3,
                        QRectF(           0,             0, img3.width(), img3.height()) );

      writeImageAsynchronously(finalImage, suggest);

      break;
    }
    case QtMultiViewLayout::HSplit:
    {
      QImage img0,img1,img2,img3;

      examiner_widgets_[0]->snapshot(img0);
      examiner_widgets_[1]->snapshot(img1);
      examiner_widgets_[2]->snapshot(img2);
      examiner_widgets_[3]->snapshot(img3);

      QImage* finalImage = new QImage(img0.width() + img1.width() + 2, img0.height(), QImage::Format_ARGB32_Premultiplied);

      QPainter painter(finalImage);

      painter.fillRect(0,0,finalImage->width(), finalImage->height(), QBrush(Qt::gray));

      painter.drawImage(QRectF(           0,             0, img0.width(), img0.height()),img0,
                        QRectF(           0,             0, img0.width(), img0.height()) );
      painter.drawImage(QRectF(img0.width()+2,             0, img1.width(), img1.height()),img1,
                        QRectF(           0,             0, img1.width(), img1.height()) );
      painter.drawImage(QRectF(img0.width()+2, img1.height()+2, img2.width(), img2.height()),img2,
                        QRectF(           0,             0, img2.width(), img2.height()) );
      painter.drawImage(QRectF(img0.width()+2, img1.height()+img2.height()+4, img3.width(),img3.height()),img3,
                        QRectF(           0,             0, img3.width(), img3.height()) );

      writeImageAsynchronously(finalImage, suggest);

      break;
    }
    default: break;

  }
}

void CoreWidget::applicationSnapshotName(QString _name) {

  snapshotName_ = _name;
  snapshotCounter_ = 0;
}

void writeImageQPixmap(QPixmap* _pixmap, const QString _name) {

    _pixmap->save(_name);
    delete _pixmap;
}

void CoreWidget::writeImageAsynchronously(QPixmap* _pixmap, const QString _name) {

    QFuture<void>* future = new QFuture<void>();
    *future = QtConcurrent::run(writeImageQPixmap, _pixmap, _name);
    QFutureWatcher<void>* watcher = new QFutureWatcher<void>();
    watcher->setFuture(*future);

    watcher_garbage_.insert(std::pair<QFutureWatcher<void>*,QFuture<void>*>(watcher, future));

    connect(watcher, SIGNAL(finished()), this, SLOT(delete_garbage()));
}



void writeImageQImage(QImage* _image, const QString _name) {

    _image->save(_name);
    delete _image;
}

void CoreWidget::writeImageAsynchronously(QImage* _image, const QString _name) {

    QFuture<void>* future = new QFuture<void>();
    *future = QtConcurrent::run(writeImageQImage, _image, _name);
    QFutureWatcher<void>* watcher = new QFutureWatcher<void>();
    watcher->setFuture(*future);

    watcher_garbage_.insert(std::pair<QFutureWatcher<void>*,QFuture<void>*>(watcher, future));

    connect(watcher, SIGNAL(finished()), this, SLOT(delete_garbage()));
}



void CoreWidget::delete_garbage() {

    QObject* obj = QObject::sender();
    QFutureWatcher<void>* watcher = dynamic_cast<QFutureWatcher<void>*>(obj);
    if(!watcher) {
        return;
    }

    map_mutex_.lock();

    std::map<QFutureWatcher<void>*,QFuture<void>*>::iterator f;
    f = watcher_garbage_.find(watcher);
    if(f != watcher_garbage_.end()) {
        delete f->second;
        delete f->first;
        watcher_garbage_.erase(f);
    }

    map_mutex_.unlock();
}

void CoreWidget::slotPasteView( ) {
  QSize size = examiner_widgets_[PluginFunctions::activeExaminer()]->actionPasteView();
  if (size == QSize(0,0))
  {
    showMaximized();
  }
  else
  {
    showNormal();
    resizeApplication(size.width(),size.height());
  }
}

void CoreWidget::slotCopyView( ) {
  QSize size;
  if (isMaximized())
    size = QSize(0,0);
  else
    size = QSize (width(),height());
  examiner_widgets_[PluginFunctions::activeExaminer()]->actionCopyView(size);
}

void CoreWidget::slotCoordSysVisibility(bool _visible){

  ACG::SceneGraph::BaseNode* root = PluginFunctions::getSceneGraphRootNode();
  ACG::SceneGraph::BaseNode* coordSys = root->find("Core Coordsys Node");

  if (coordSys == 0){
    emit log( LOGERR, tr("CoordSys Node not found"));
    return;
  }

if (_visible)
    coordSys->show();
  else
    coordSys->hide();

  for ( unsigned int i = 0 ; i < OpenFlipper::Options::examinerWidgets() ; ++i )
    examiner_widgets_[i]->updateGL();

}

void CoreWidget::slotSetViewingDirection(QAction* _action) {

  PluginFunctions::setFixedView( _action->data().toInt() );
  if (_action->data().toInt() != PluginFunctions::VIEW_FREE)
    PluginFunctions::allowRotation( false, PluginFunctions::activeExaminer() );
  
    // Update view
    examiner_widgets_[PluginFunctions::activeExaminer()]->updateGL();
}

void CoreWidget::slotLockRotation(bool _lock) {

  PluginFunctions::allowRotation( !_lock, PluginFunctions::activeExaminer() );
  if (!_lock)
    PluginFunctions::setFixedView( PluginFunctions::VIEW_FREE );
}

void CoreWidget::moveBack() {
    examiner_widgets_[PluginFunctions::activeExaminer()]->moveBack();
}

void CoreWidget::moveForward() {
    examiner_widgets_[PluginFunctions::activeExaminer()]->moveForward();
}

void CoreWidget::strafeLeft() {
    examiner_widgets_[PluginFunctions::activeExaminer()]->strafeLeft();
}

void CoreWidget::strafeRight() {
    examiner_widgets_[PluginFunctions::activeExaminer()]->strafeRight();
}

//=============================================================================