vv/vvMainWindow.cxx

   1 /*=========================================================================
   2   Program:   vv                     http://www.creatis.insa-lyon.fr/rio/vv
   3
   4   Authors belong to:
   5   - University of LYON              http://www.universite-lyon.fr/
   6   - Léon Bérard cancer center       http://www.centreleonberard.fr
   7   - CREATIS CNRS laboratory         http://www.creatis.insa-lyon.fr
   8
   9   This software is distributed WITHOUT ANY WARRANTY; without even
  10   the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  11   PURPOSE.  See the copyright notices for more information.
  12
  13   It is distributed under dual licence
  14
  15   - BSD        See included LICENSE.txt file
  16   - CeCILL-B   http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
  17 ===========================================================================**/
  18
  19 #include <algorithm>
  20 #include <QMessageBox>
  21 #include <QInputDialog>
  22 #include <QTimer>
  23 #include "QTreePushButton.h"
  24 #include <QUrl>
  25 #include <QSettings>
  26
  27 // VV include
  28 #include "vvMainWindow.h"
  29 #include "vvHelpDialog.h"
  30 #include "vvRegisterForm.h"
  31 #include "vvDocumentation.h"
  32 #include "vvProgressDialog.h"
  33 #include "vvQDicomSeriesSelector.h"
  34 #include "vvSlicerManager.h"
  35 #include "clitkImageCommon.h"
  36 #include "vvSlicer.h"
  37 #include "vvInteractorStyleNavigator.h"
  38 #include "vvImageWriter.h"
  39 #include "vvSegmentationDialog.h"
  40 #include "vvSurfaceViewerDialog.h"
  41 #include "vvDeformationDialog.h"
  42 #include "vvImageWarp.h"
  43 #include "vvUtils.h"
  44 #include "vvMidPosition.h"
  45 #include "vvMesh.h"
  46 #include "vvStructSelector.h"
  47 #include "vvMeshReader.h"
  48 #include "vvSaveState.h"
  49 #include "vvReadState.h"
  50 #include "clitkConfiguration.h"
  51
  52 // ITK include
  53 #include <itkImage.h>
  54 #include <itkImageFileReader.h>
  55 #include <itkByteSwapper.h>
  56 #include <itkCommand.h>
  57 #include <itkNumericSeriesFileNames.h>
  58
  59 // VTK include
  60 #include <vtkImageData.h>
  61 #include <vtkImageActor.h>
  62 #include <vtkCornerAnnotation.h>
  63 #include <vtkRenderWindow.h>
  64 #include <vtkRenderWindowInteractor.h>
  65 #include <vtkRenderer.h>
  66 #include <vtkRendererCollection.h>
  67 #include <vtkWindowToImageFilter.h>
  68 #include <vtkBMPWriter.h>
  69 #include <vtkTIFFWriter.h>
  70 #include <vtkPNMWriter.h>
  71 #include <vtkPNGWriter.h>
  72 #include <vtkJPEGWriter.h>
  73 #ifdef VTK_USE_FFMPEG_ENCODER
  74 #  include <vtkFFMPEGWriter.h>
  75 #endif
  76 #ifdef VTK_USE_MPEG2_ENCODER
  77 #  include <vtkMPEG2Writer.h>
  78 #endif
  79 #include <vtkMatrix4x4.h>
  80 #include <vtkTransform.h>
  81
  82 // Standard includes
  83 #include <iostream>
  84 #include <sstream>
  85 #include <iomanip>
  86
  87 #define COLUMN_TREE 0
  88 #define COLUMN_UL_VIEW 1
  89 #define COLUMN_UR_VIEW 2
  90 #define COLUMN_DL_VIEW 3
  91 #define COLUMN_DR_VIEW 4
  92 #define COLUMN_CLOSE_IMAGE 5
  93 #define COLUMN_RELOAD_IMAGE 6
  94 #define COLUMN_IMAGE_NAME 7
  95
  96 #define EXTENSIONS "Images ( *.bmp *.png *.jpeg *.jpg *.tif *.mhd *.mha *.hdr *.vox *.his *.xdr *.SCAN )"
  97
  98 /*Data Tree values
  99   0,Qt::UserRole full filename
 100   1,Qt::CheckStateRole checkbutton UL View
 101   1,Qt::UserRole overlay, fusion or vector
 102   2,Qt::CheckStateRole checkbutton UR View
 103   3,Qt::CheckStateRole checkbutton DL View
 104   4,Qt::CheckStateRole checkbutton DR View
 105   5,0  short filename
 106   5,Qt::UserRole mSlicerManager id*/
 107
 108 //------------------------------------------------------------------------------
 109 vvMainWindow::vvMainWindow():vvMainWindowBase()
 110 {
 111   setupUi(this); // this sets up the GUI
 112
 113   mInputPathName = "";
 114   mMenuTools = menuTools;
 115   //  mMenuSegmentation = menuSegmentation;
 116   mContextMenu = &contextMenu;
 117   mMenuExperimentalTools = menuExperimental;
 118   mMainWidget = this;
 119   mCurrentTime = -1;
 120   mCurrentSelectedImageId = "";
 121   mCurrentPickedImageId = "";
 122   mCurrentPickedImageIndex = 0;
 123
 124   //Init the contextMenu
 125   this->setContextMenuPolicy(Qt::CustomContextMenu);
 126   contextActions.resize(0);
 127   QAction* actionOpen_new_image = contextMenu.addAction(QIcon(QString::fromUtf8(":/common/icons/fileopen.png")),
 128                                   tr("O&pen new Image"));
 129   actionOpen_new_image->setShortcut(QKeySequence(tr("Ctrl+O")));
 130   connect(actionOpen_new_image,SIGNAL(triggered()),this,SLOT(OpenImages()));
 131   contextActions.push_back(actionOpen_new_image);
 132   contextMenu.addSeparator();
 133
 134   QAction* actionClose_Image = contextMenu.addAction(QIcon(QString::fromUtf8(":/common/icons/exit.png")),
 135                                tr("Close Current Image"));
 136   connect(actionClose_Image,SIGNAL(triggered()),this,SLOT(CloseImage()));
 137   contextActions.push_back(actionClose_Image);
 138
 139   QAction* actionReload_image = contextMenu.addAction(QIcon(QString::fromUtf8(":/common/icons/rotateright.png")),
 140                                 tr("Reload Current Image"));
 141   connect(actionReload_image,SIGNAL(triggered()),this,SLOT(ReloadImage()));
 142   contextActions.push_back(actionReload_image);
 143
 144   QAction* actionSave_image = contextMenu.addAction(QIcon(QString::fromUtf8(":/common/icons/filesave.png")),
 145                               tr("Save Current Image"));
 146   connect(actionSave_image,SIGNAL(triggered()),this,SLOT(SaveAs()));
 147   contextActions.push_back(actionSave_image);
 148
 149   QAction* actionSave_state = contextMenu.addAction(QIcon(QString::fromUtf8(":/common/icons/filesave.png")),
 150                               tr("Save Current State"));
 151   connect(actionSave_state,SIGNAL(triggered()),this,SLOT(SaveCurrentState()));
 152   contextActions.push_back(actionSave_state);
 153
 154   QAction* actionRead_state = contextMenu.addAction(QIcon(QString::fromUtf8(":/common/icons/filesave.png")),
 155                               tr("Read Saved State"));
 156   connect(actionRead_state,SIGNAL(triggered()),this,SLOT(ReadSavedState()));
 157   contextActions.push_back(actionRead_state);
 158
 159   contextMenu.addSeparator();
 160
 161   contextMenu.addAction(actionAdd_VF_to_current_Image);
 162   contextActions.push_back(actionAdd_VF_to_current_Image);
 163
 164   //QAction* actionAdd_Overlay_to_current_Image = menuOverlay->addAction(QIcon(QString::fromUtf8(":/common/icons/GPSup.png")),
 165   //    tr("Add overlay image to current image"));
 166   contextMenu.addAction(actionAdd_overlay_image_to_current_image);
 167   contextActions.push_back(actionAdd_overlay_image_to_current_image);
 168
 169   contextMenu.addAction(actionAdd_fusion_image);
 170   contextActions.push_back(actionAdd_fusion_image);
 171
 172   contextMenu.addSeparator();
 173   QAction* actionResetMatrix = contextMenu.addAction(QIcon(QString::fromUtf8(":/common/icons/identity.png")),
 174                                                       tr("Reset transformation to identity"));
 175   connect(actionResetMatrix, SIGNAL(triggered()), this,SLOT(ResetTransformationToIdentity()));
 176
 177   // TRIAL DS
 178   /*
 179   QMenu * m = new QMenu(menubar);
 180   m->setTitle("TOTO");
 181   //  m->setObjectName(QString::fromUtf8("TOTOTO"));
 182   contextMenu.addMenu(m);
 183   QAction * a = m->addAction(QIcon(QString::fromUtf8(":/common/icons/GPSup.png")),
 184                      tr("BIDON"));
 185   QAction * b = m->addAction(QIcon(QString::fromUtf8(":/common/icons/GPSup.png")),
 186                      tr("BIDON2"));
 187   m->addAction(a);
 188   m->addAction(b);
 189   connect(a,SIGNAL(triggered()),this,SLOT(AddFusionImage()));
 190   */
 191
 192   //init the DataTree
 193   mSlicerManagers.resize(0);
 194
 195   QStringList header;
 196   header.append("");
 197   header.append("TL");
 198   header.append("TR");
 199   header.append("BL");
 200   header.append("BR");
 201   header.append("");
 202   header.append("");
 203   header.append("Name");
 204
 205   DataTree->setHeaderLabels(header);
 206   DataTree->resizeColumnToContents(COLUMN_TREE);
 207   DataTree->resizeColumnToContents(COLUMN_UL_VIEW);
 208   DataTree->resizeColumnToContents(COLUMN_UR_VIEW);
 209   DataTree->resizeColumnToContents(COLUMN_DL_VIEW);
 210   DataTree->resizeColumnToContents(COLUMN_DR_VIEW);
 211   DataTree->resizeColumnToContents(COLUMN_CLOSE_IMAGE);
 212   DataTree->resizeColumnToContents(COLUMN_RELOAD_IMAGE);
 213   DataTree->resizeColumnToContents(COLUMN_IMAGE_NAME);
 214
 215   viewMode = 1;
 216   documentation = new vvDocumentation();
 217   help_dialog = new vvHelpDialog();
 218   dicomSeriesSelector = new vvDicomSeriesSelector();
 219
 220   inverseButton->setEnabled(0);
 221   actionAdd_overlay_image_to_current_image->setEnabled(0);
 222   actionSave_As->setEnabled(0);
 223   actionAdd_VF_to_current_Image->setEnabled(0);
 224   actionAdd_fusion_image->setEnabled(0);
 225
 226   //init the sliders
 227   verticalSliders.push_back(NOVerticalSlider);
 228   verticalSliders.push_back(NEVerticalSlider);
 229   verticalSliders.push_back(SOVerticalSlider);
 230   verticalSliders.push_back(SEVerticalSlider);
 231
 232   for (int i =0; i < 4; i++)
 233     verticalSliders[i]->hide();
 234
 235   horizontalSliders.push_back(NOHorizontalSlider);
 236   horizontalSliders.push_back(NEHorizontalSlider);
 237   horizontalSliders.push_back(SOHorizontalSlider);
 238   horizontalSliders.push_back(SEHorizontalSlider);
 239
 240   for (int i =0; i < 4; i++)
 241     horizontalSliders[i]->hide();
 242
 243
 244   connect(NOVerticalSlider,SIGNAL(valueChanged(int)),this,SLOT(NOVerticalSliderChanged()));
 245   connect(NEVerticalSlider,SIGNAL(valueChanged(int)),this,SLOT(NEVerticalSliderChanged()));
 246   connect(SOVerticalSlider,SIGNAL(valueChanged(int)),this,SLOT(SOVerticalSliderChanged()));
 247   connect(SEVerticalSlider,SIGNAL(valueChanged(int)),this,SLOT(SEVerticalSliderChanged()));
 248
 249   connect(NOHorizontalSlider,SIGNAL(valueChanged(int)),this,SLOT(NOHorizontalSliderMoved()));
 250   connect(NEHorizontalSlider,SIGNAL(valueChanged(int)),this,SLOT(NEHorizontalSliderMoved()));
 251   connect(SOHorizontalSlider,SIGNAL(valueChanged(int)),this,SLOT(SOHorizontalSliderMoved()));
 252   connect(SEHorizontalSlider,SIGNAL(valueChanged(int)),this,SLOT(SEHorizontalSliderMoved()));
 253
 254   //connect everything
 255   connect(actionCompute_mid_position_image,SIGNAL(triggered()),this,SLOT(ComputeMidPosition()));
 256   connect(actionDeformable_Registration,SIGNAL(triggered()),this,SLOT(ComputeDeformableRegistration()));
 257   connect(actionWarp_image_with_vector_field,SIGNAL(triggered()),this,SLOT(WarpImage()));
 258   connect(actionLoad_images,SIGNAL(triggered()),this,SLOT(OpenImages()));
 259   connect(actionOpen_Dicom,SIGNAL(triggered()),this,SLOT(OpenDicom()));
 260   connect(actionOpen_Dicom_Struct,SIGNAL(triggered()),this,SLOT(OpenDCStructContour()));
 261   connect(actionOpen_VTK_contour,SIGNAL(triggered()),this,SLOT(OpenVTKContour()));
 262   connect(actionOpen_Multiple_Images_As_One,SIGNAL(triggered()),this,SLOT(MergeImages()));
 263   connect(actionSlice_Image_As_Multiple_Images,SIGNAL(triggered()),this,SLOT(SliceImages()));
 264   connect(actionOpen_Image_With_Time,SIGNAL(triggered()),this,SLOT(OpenImageWithTime()));
 265   connect(actionMerge_images_as_n_dim_t, SIGNAL(triggered()), this, SLOT(MergeImagesWithTime()));
 266   connect(actionSave_As,SIGNAL(triggered()),this,SLOT(SaveAs()));
 267   connect(actionSave_current_state,SIGNAL(triggered()),this,SLOT(SaveCurrentState()));
 268   connect(actionRead_saved_state,SIGNAL(triggered()),this,SLOT(ReadSavedState()));
 269   connect(actionExit,SIGNAL(triggered()),this,SLOT(close()));
 270   connect(actionAdd_VF_to_current_Image,SIGNAL(triggered()),this,SLOT(OpenField()));
 271   connect(actionAdd_fusion_image,SIGNAL(triggered()),this,SLOT(SelectFusionImage()));
 272   connect(actionAdd_overlay_image_to_current_image,SIGNAL(triggered()), this,SLOT(SelectOverlayImage()));  connect(actionNavigation_Help,SIGNAL(triggered()),this,SLOT(ShowHelpDialog()));
 273   connect(actionDocumentation,SIGNAL(triggered()),this,SLOT(ShowDocumentation()));
 274   connect(actionRegister_vv,SIGNAL(triggered()),this,SLOT(PopupRegisterForm()));
 275
 276   ///////////////////////////////////////////////
 277   connect(actionSegmentation,SIGNAL(triggered()),this,SLOT(SegmentationOnCurrentImage()));
 278   connect(actionSurface_Viewer,SIGNAL(triggered()),this,SLOT(SurfaceViewerLaunch()));
 279   ///////////////////////////////////////////////
 280
 281   actionNorth_East_Window->setEnabled(0);
 282   actionNorth_West_Window->setEnabled(0);
 283   actionSouth_East_Window->setEnabled(0);
 284   actionSouth_West_Window->setEnabled(0);
 285
 286   connect(actionNorth_East_Window,SIGNAL(triggered()),this,SLOT(SaveNEScreenshot()));
 287   connect(actionNorth_West_Window,SIGNAL(triggered()),this,SLOT(SaveNOScreenshot()));
 288   connect(actionSouth_East_Window,SIGNAL(triggered()),this,SLOT(SaveSEScreenshot()));
 289   connect(actionSouth_West_Window,SIGNAL(triggered()),this,SLOT(SaveSOScreenshot()));
 290   connect(actionSave_all_slices,SIGNAL(triggered()),this,SLOT(SaveScreenshotAllSlices()));
 291
 292   connect(DataTree,SIGNAL(itemSelectionChanged()),this,SLOT(ImageInfoChanged()));
 293   connect(DataTree,SIGNAL(itemClicked(QTreeWidgetItem*, int)),this,
 294           SLOT(DisplayChanged(QTreeWidgetItem*, int)));
 295
 296   connect(viewButton,SIGNAL(clicked()),this, SLOT(ChangeViewMode()) );
 297   connect(windowSpinBox,SIGNAL(editingFinished()),this,SLOT(WindowLevelEdited()));
 298   connect(levelSpinBox,SIGNAL(editingFinished()),this,SLOT(WindowLevelEdited()));
 299   connect(colorMapComboBox,SIGNAL(currentIndexChanged(int)),this,SLOT(UpdateColorMap()));
 300   connect(presetComboBox,SIGNAL(currentIndexChanged(int)),this,SLOT(UpdateWindowLevel()));
 301   connect(inverseButton,SIGNAL(clicked()),this,SLOT(SwitchWindowLevel()));
 302   connect(applyWindowLevelToAllButton,SIGNAL(clicked()),this,SLOT(ApplyWindowLevelToAllImages()));
 303
 304
 305   connect(this,SIGNAL(customContextMenuRequested(QPoint)),this,SLOT(ShowContextMenu(QPoint)));
 306
 307   connect(linkPanel,SIGNAL(addLink(QString,QString)),this,SLOT(AddLink(QString,QString)));
 308   connect(linkPanel,SIGNAL(removeLink(QString,QString)),this,SLOT(RemoveLink(QString,QString)));
 309   connect(overlayPanel,SIGNAL(VFPropertyUpdated(int,int,int,int,double,double,double)),this,SLOT(SetVFProperty(int,int,int,int,double,double,double)));
 310   connect(overlayPanel,SIGNAL(OverlayPropertyUpdated(int,int,double,double)),
 311           this,SLOT(SetOverlayProperty(int,int,double,double)));
 312   connect(overlayPanel,SIGNAL(FusionPropertyUpdated(int,int,int,double,double)),
 313           this,SLOT(SetFusionProperty(int,int,int,double,double)));
 314   connect(landmarksPanel,SIGNAL(UpdateRenderWindows()),this,SLOT(UpdateRenderWindows()));
 315
 316   playMode = 0;//pause
 317   mFrameRate = 10;
 318   playButton->setEnabled(0);
 319   frameRateLabel->setEnabled(0);
 320   frameRateSpinBox->setEnabled(0);
 321   connect(playButton, SIGNAL(clicked()),this,SLOT(PlayPause()));
 322   connect(frameRateSpinBox, SIGNAL(valueChanged(int)),this,SLOT(ChangeFrameRate(int)));
 323
 324   goToCursorPushButton->setEnabled(0);
 325   connect(goToCursorPushButton, SIGNAL(clicked()),this,SLOT(GoToCursor()));
 326
 327   NOViewWidget->hide();
 328   NEViewWidget->hide();
 329   SOViewWidget->hide();
 330   SEViewWidget->hide();
 331
 332   //Recently opened files
 333   std::list<std::string> recent_files = GetRecentlyOpenedImages();
 334   recentlyOpenedFilesMenu=NULL;
 335   if ( !recent_files.empty() ) {
 336     createRecentlyOpenedFilesMenu();
 337     updateRecentlyOpenedFilesMenu(recent_files);
 338   }
 339
 340   // Adding all new tools (insertion in the menu)
 341   vvToolManager::GetInstance()->InsertToolsInMenu(this);
 342   vvToolManager::GetInstance()->EnableToolsInMenu(this, false);
 343
 344   if (!CLITK_EXPERIMENTAL)
 345     menuExperimental->menuAction()->setVisible(false);
 346
 347
 348   QTimer * timerMemory = new QTimer(this);
 349   //timerMemory->setInterval(5);
 350   connect(timerMemory, SIGNAL(timeout()), this, SLOT(UpdateMemoryUsage()));
 351   timerMemory->start(2000);
 352 }
 353 //------------------------------------------------------------------------------
 354 void vvMainWindow::show()
 355 {
 356   vvMainWindowBase::show();
 357   PopupRegisterForm(true);
 358 }
 359 //------------------------------------------------------------------------------
 360 void vvMainWindow::UpdateMemoryUsage()
 361 {
 362   //  clitk::PrintMemory(true);
 363   if (clitk::GetMemoryUsageInMb() == 0) infoPanel->setMemoryInMb("NA");
 364   else infoPanel->setMemoryInMb(QString::number(clitk::GetMemoryUsageInMb())+" MiB");
 365 }
 366 //------------------------------------------------------------------------------
 367
 368
 369 //------------------------------------------------------------------------------
 370 void vvMainWindow::createRecentlyOpenedFilesMenu()
 371 {
 372   recentlyOpenedFilesMenu = new QMenu("Recently opened files...");
 373   recentlyOpenedFilesMenu->setIcon(QIcon(QString::fromUtf8(":/common/icons/open.png")));
 374   menuFile->insertMenu(actionOpen_Image_With_Time,recentlyOpenedFilesMenu);
 375   menuFile->insertSeparator(actionOpen_Image_With_Time);
 376 }
 377 //------------------------------------------------------------------------------
 378
 379
 380 //------------------------------------------------------------------------------
 381
 382 void vvMainWindow::updateRecentlyOpenedFilesMenu(const std::list<std::string> &recent_files)
 383 {
 384   if(recentlyOpenedFilesMenu==NULL) {
 385     createRecentlyOpenedFilesMenu();
 386   } else {
 387     recentlyOpenedFilesMenu->clear();
 388   }
 389   for (std::list<std::string>::const_iterator i = recent_files.begin(); i!=recent_files.end(); i++) {
 390     QAction* current=new QAction(QIcon(QString::fromUtf8(":/common/icons/open.png")), i->c_str(),this);
 391     recentlyOpenedFilesMenu->addAction(current);
 392     connect(current,SIGNAL(triggered()),this,SLOT(OpenRecentImage()));
 393   }
 394 }
 395 //------------------------------------------------------------------------------
 396
 397
 398 //------------------------------------------------------------------------------
 399 void vvMainWindow::ComputeMidPosition()
 400 {
 401   bool ok;
 402   int index=GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
 403   int ref = QInputDialog::getInteger(this,"Chose reference phase","Reference phase",0,0,\
 404                                      mSlicerManagers[index]->GetImage()->GetVTKImages().size()-1,1,&ok);
 405   if (ok) {
 406     vvMidPosition midp;
 407     midp.slicer_manager = mSlicerManagers[index];
 408     midp.reference_image_index = ref;
 409     QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
 410     midp.Update();
 411     if (midp.error)
 412       QMessageBox::warning(this, "Error computing midposition image",midp.error_message.c_str());
 413     else {
 414       QFileInfo info(midp.slicer_manager->GetFileName().c_str());
 415       AddImage(midp.output,info.path().toStdString()+"/"+info.completeBaseName().toStdString()+"_midposition.mhd");
 416     }
 417     QApplication::restoreOverrideCursor();
 418   }
 419 }
 420 //------------------------------------------------------------------------------
 421
 422
 423 //------------------------------------------------------------------------------
 424 void vvMainWindow::AddContour(int image_index, vvMesh::Pointer contour, bool propagation)
 425 {
 426   QTreeWidgetItem *item = new QTreeWidgetItem();
 427   item->setData(0,Qt::UserRole,"filename.vtk");
 428   item->setData(1,Qt::UserRole,tr("contour"));
 429   QBrush brush;
 430   brush.setColor(QColor(contour->r*255,contour->g*255,contour->b*255));
 431   brush.setStyle(Qt::SolidPattern);
 432   item->setData(COLUMN_IMAGE_NAME,Qt::BackgroundRole,brush);
 433   item->setData(COLUMN_IMAGE_NAME,Qt::DisplayRole,contour->structure_name.c_str());
 434
 435   for (int j = 1; j <= 4; j++)
 436     item->setData(j,Qt::CheckStateRole,DataTree->topLevelItem(image_index)->data(j,Qt::CheckStateRole));
 437
 438   QTreePushButton* cButton = new QTreePushButton;
 439   cButton->setItem(item);
 440   cButton->setColumn(COLUMN_CLOSE_IMAGE);
 441   cButton->setToolTip(tr("close image"));
 442   cButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/exit.png")));
 443   connect(cButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
 444           this,SLOT(CloseImage(QTreeWidgetItem*, int)));
 445
 446   QTreePushButton* rButton = new QTreePushButton;
 447   rButton->setItem(item);
 448   rButton->setColumn(COLUMN_RELOAD_IMAGE);
 449   rButton->setToolTip(tr("reload image"));
 450   rButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/rotateright.png")));
 451   rButton->setEnabled(false);
 452   //Not implemented
 453   //connect(rButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
 454   //this,SLOT(ReloadImage(QTreeWidgetItem*, int)));
 455
 456   DataTree->topLevelItem(image_index)->setExpanded(1);
 457   DataTree->topLevelItem(image_index)->addChild(item);
 458   DataTree->setItemWidget(item, COLUMN_CLOSE_IMAGE, cButton);
 459   DataTree->setItemWidget(item, COLUMN_RELOAD_IMAGE, rButton);
 460   QString id = DataTree->topLevelItem(image_index)->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString();
 461   item->setData(COLUMN_IMAGE_NAME,Qt::UserRole,id.toStdString().c_str());
 462
 463   UpdateTree();
 464   mSlicerManagers[image_index]->AddContour(contour,propagation);
 465   mSlicerManagers[image_index]->Render();
 466 }
 467 //------------------------------------------------------------------------------
 468
 469
 470 //------------------------------------------------------------------------------
 471 void vvMainWindow::OpenVTKContour()
 472 {
 473   if (mSlicerManagers.size() > 0) {
 474     QString Extensions = "Images ( *.vtk *.obj)";
 475     Extensions += ";;All Files (*)";
 476     QString file = QFileDialog::getOpenFileName(this,tr("Open vtkPolyData"),mInputPathName,Extensions);
 477     if (file.isNull())
 478       return;
 479     QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
 480     int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
 481     vvMeshReader reader;
 482     reader.SetImage(mSlicerManagers[index]->GetImage());
 483     reader.SetModeToVTK();
 484     reader.SetFilename(file.toStdString());
 485     reader.Update();
 486     AddContour(index,reader.GetOutput()[0],false);
 487     QApplication::restoreOverrideCursor();
 488   }
 489 }
 490 //------------------------------------------------------------------------------
 491
 492
 493 //------------------------------------------------------------------------------
 494 void vvMainWindow::AddDCStructContour(int index, QString file)
 495 {
 496     vvMeshReader reader;
 497     reader.SetFilename(file.toStdString());
 498     vvStructSelector selector;
 499     selector.SetStructures(reader.GetROINames());
 500     if (!mSlicerManagers[index]->GetVF().IsNull())
 501       selector.EnablePropagationCheckBox();
 502     if (selector.exec()) {
 503       QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
 504       reader.SetSelectedItems(selector.getSelectedItems());
 505       reader.SetImage(mSlicerManagers[index]->GetImage());
 506       if (selector.PropagationEnabled())
 507         reader.SetPropagationVF(mSlicerManagers[index]->GetVF());
 508       reader.Update();
 509       std::vector<vvMesh::Pointer> contours=reader.GetOutput();
 510       for (std::vector<vvMesh::Pointer>::iterator i=contours.begin();
 511            i!=contours.end(); i++)
 512         AddContour(index,*i,selector.PropagationEnabled());
 513       QApplication::restoreOverrideCursor();
 514     }
 515 }
 516
 517 //------------------------------------------------------------------------------
 518 void vvMainWindow::OpenDCStructContour()
 519 {
 520   if (mSlicerManagers.size() > 0) {
 521     QString Extensions = "Dicom Files ( *.dcm RS*)";
 522     Extensions += ";;All Files (*)";
 523     QString file = QFileDialog::getOpenFileName(this,tr("Merge Images"),mInputPathName,Extensions);
 524     if (file.isNull())
 525       return;
 526     int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
 527     AddDCStructContour(index, file);
 528   }
 529 }
 530 //------------------------------------------------------------------------------
 531
 532
 533 //------------------------------------------------------------------------------
 534 void vvMainWindow::ComputeDeformableRegistration()
 535 {
 536   if (mSlicerManagers.size() > 0) {
 537     int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
 538     vvDeformationDialog dialog(index,mSlicerManagers);
 539     if (dialog.exec()) {
 540       std::string base_name=itksys::SystemTools::GetFilenameWithoutExtension(mSlicerManagers[dialog.GetInputFileIndex()]->GetFileName());
 541       AddField(dialog.GetOutput(),dialog.getFieldFile(),dialog.GetInputFileIndex());
 542       WarpImage(dialog.GetSelectedSlicer(),dialog.GetReferenceFrameIndex());
 543     } else
 544       std::cout << "Error or user cancellation while computing deformation field..." << std::endl;
 545   } else QMessageBox::information(this, "Need to open image","You must open an image first.");
 546 }
 547 //------------------------------------------------------------------------------
 548
 549
 550 //------------------------------------------------------------------------------
 551 void vvMainWindow::WarpImage()
 552 {
 553   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
 554   if (!mSlicerManagers[index]->GetVF().IsNull()) {
 555     bool ok;
 556     int ref = QInputDialog::getInteger(this,"Chose reference phase","Reference phase",0,0,\
 557                                        mSlicerManagers[index]->GetImage()->GetVTKImages().size()-1,1,&ok);
 558     if (ok) {
 559       WarpImage(mSlicerManagers[index],ref);
 560     }
 561   } else
 562     QMessageBox::warning(this,tr("No vector field"),tr("Sorry, can't warp without a vector field"));
 563 }
 564 //------------------------------------------------------------------------------
 565
 566
 567 //------------------------------------------------------------------------------
 568 void vvMainWindow::WarpImage(vvSlicerManager* selected_slicer,int reference_phase)
 569 {
 570   if (!selected_slicer->GetVF().IsNull()) {
 571     QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
 572     QFileInfo info(selected_slicer->GetFileName().c_str());
 573     vvImageWarp warp(selected_slicer->GetImage(),selected_slicer->GetVF(),
 574                      reference_phase,this);
 575     if (warp.ComputeWarpedImage()) {
 576       AddImage(warp.GetWarpedImage(),info.path().toStdString()+"/"+info.completeBaseName().toStdString()+"_warped.mhd");
 577       AddImage(warp.GetDiffImage()  ,info.path().toStdString()+"/"+info.completeBaseName().toStdString()+"_diff.mhd");
 578       AddImage(warp.GetJacobianImage()  ,info.path().toStdString()+"/"+info.completeBaseName().toStdString()+"_jacobian.mhd");
 579       QApplication::restoreOverrideCursor();
 580     } else {
 581       QApplication::restoreOverrideCursor();
 582       QMessageBox::warning(this,tr("Different spacings"),tr("The vector field and image spacings must be the same in order to warp."));
 583     }
 584   } else
 585     QMessageBox::warning(this,tr("No vector field"),tr("Sorry, can't warp without a vector field."));
 586 }
 587 //------------------------------------------------------------------------------
 588
 589
 590 //------------------------------------------------------------------------------
 591 vvMainWindow::~vvMainWindow()
 592 {
 593   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
 594     if (mSlicerManagers[i] != NULL)
 595       delete mSlicerManagers[i];
 596   }
 597 }
 598 //------------------------------------------------------------------------------
 599
 600 //------------------------------------------------------------------------------
 601 QTabWidget * vvMainWindow::GetTab()
 602 {
 603   return tabWidget;
 604 }
 605 //------------------------------------------------------------------------------
 606
 607
 608 //------------------------------------------------------------------------------
 609 void vvMainWindow::MergeImages()
 610 {
 611   QString Extensions = EXTENSIONS;
 612   Extensions += ";;All Files (*)";
 613   QStringList files = QFileDialog::getOpenFileNames(this,tr("Merge Images"),mInputPathName,Extensions);
 614   if (files.isEmpty())
 615     return;
 616   mInputPathName = itksys::SystemTools::GetFilenamePath(files[0].toStdString()).c_str();
 617   std::vector<std::string> vector;
 618
 619   unsigned int currentDim = 0;
 620   std::vector<double> currentSpacing;
 621   std::vector<int> currentSize;
 622   std::vector<double> currentOrigin;
 623
 624   for (int i = 0; i < files.size(); i++) {
 625     itk::ImageIOBase::Pointer reader = itk::ImageIOFactory::CreateImageIO(
 626                                          files[i].toStdString().c_str(), itk::ImageIOFactory::ReadMode);
 627     reader->SetFileName(files[i].toStdString().c_str());
 628     reader->ReadImageInformation();
 629     if (reader)        {
 630       //NOViewWidget->hide();
 631       //NEViewWidget->hide();
 632       //SOViewWidget->hide();
 633       //SEViewWidget->hide();
 634       if (i == 0)
 635         currentDim = reader->GetNumberOfDimensions();
 636       bool IsOk = true;
 637       for (unsigned int j = 0; j < currentDim; j++) {
 638         if (i == 0) {
 639           if (j == 0) {
 640             currentSpacing.resize(currentDim);
 641             currentSize.resize(currentDim);
 642             currentOrigin.resize(currentDim);
 643           }
 644           currentOrigin[j] = reader->GetOrigin(j);
 645           currentSpacing[j] = reader->GetSpacing(j);
 646           currentSize[j] = reader->GetDimensions(j);
 647         } else if (currentDim != reader->GetNumberOfDimensions()
 648                    || currentSpacing[j] != reader->GetSpacing(j)
 649                    || currentSize[j] != (int)reader->GetDimensions(j)
 650                    || currentOrigin[j] != reader->GetOrigin(j)) {
 651           QString error = "Cannot read file (too different from others ";
 652           error += files[i].toStdString().c_str();
 653           QMessageBox::information(this,tr("Reading problem"),error);
 654           IsOk = false;
 655           break;
 656         }
 657       }
 658       if (IsOk)
 659         vector.push_back(files[i].toStdString());
 660     }
 661   }
 662   if (vector.size() > 0)
 663     LoadImages(vector, vvImageReader::MERGED);
 664 }
 665 //------------------------------------------------------------------------------
 666
 667 //------------------------------------------------------------------------------
 668 void vvMainWindow::SliceImages()
 669 {
 670   QString Extensions = EXTENSIONS;
 671   Extensions += ";;All Files (*)";
 672
 673   QStringList files = QFileDialog::getOpenFileNames(this,tr("Slice Images"),mInputPathName,Extensions);
 674   if (files.isEmpty())
 675     return;
 676   mInputPathName = itksys::SystemTools::GetFilenamePath(files[0].toStdString()).c_str();
 677   std::vector<std::string> vector;
 678   for (int i = 0; i < files.size(); i++)
 679     vector.push_back(files[i].toStdString());
 680   LoadImages(vector, vvImageReader::SLICED);
 681 }
 682 //------------------------------------------------------------------------------
 683
 684 //------------------------------------------------------------------------------
 685 void vvMainWindow::MergeImagesWithTime()
 686 {
 687   QString Extensions = EXTENSIONS;
 688   Extensions += ";;All Files (*)";
 689   QStringList files = QFileDialog::getOpenFileNames(this,tr("Merge Images With Time"),mInputPathName,Extensions);
 690   if (files.isEmpty())
 691     return;
 692   mInputPathName = itksys::SystemTools::GetFilenamePath(files[0].toStdString()).c_str();
 693   std::vector<std::string> vector;
 694
 695   unsigned int currentDim = 0;
 696   std::vector<double> currentSpacing;
 697   std::vector<int> currentSize;
 698   std::vector<double> currentOrigin;
 699
 700   for (int i = 0; i < files.size(); i++) {
 701     itk::ImageIOBase::Pointer reader = itk::ImageIOFactory::CreateImageIO(
 702                                          files[i].toStdString().c_str(), itk::ImageIOFactory::ReadMode);
 703     if (reader) {
 704       reader->SetFileName(files[i].toStdString().c_str());
 705       reader->ReadImageInformation();
 706       if (i == 0)
 707         currentDim = reader->GetNumberOfDimensions();
 708       bool IsOk = true;
 709       for (unsigned int j = 0; j < currentDim; j++) {
 710         if (i == 0) {
 711           if (j == 0) {
 712             currentSpacing.resize(currentDim);
 713             currentSize.resize(currentDim);
 714             currentOrigin.resize(currentDim);
 715           }
 716           currentOrigin[j] = reader->GetOrigin(j);
 717           currentSpacing[j] = reader->GetSpacing(j);
 718           currentSize[j] = reader->GetDimensions(j);
 719         } else if (currentDim != reader->GetNumberOfDimensions()
 720                    || currentSpacing[j] != reader->GetSpacing(j)
 721                    || currentSize[j] != (int)reader->GetDimensions(j)
 722                    || currentOrigin[j] != reader->GetOrigin(j)) {
 723           QString error = "Cannot read file (too different from others ";
 724           error += files[i].toStdString().c_str();
 725           QMessageBox::information(this,tr("Reading problem"),error);
 726           IsOk = false;
 727           break;
 728         }
 729       }
 730       if (IsOk)
 731         vector.push_back(files[i].toStdString());
 732     } else {
 733       QString error = "Cannot read file info for ";
 734       error += files[i].toStdString().c_str();
 735       error += "\n";
 736       error += "Maybe you're trying to open an image in an unsupported format?\n";
 737       QMessageBox::information(this,tr("Reading problem"),error);
 738     }
 739   }
 740   sort(vector.begin(),vector.end());
 741   if (vector.size() > 1)
 742     LoadImages(vector, vvImageReader::MERGEDWITHTIME);
 743   else
 744     QMessageBox::warning(this,tr("Reading problem"),"You need to select at least two images to merge images with time.\nIf you only want to open one image, please use the \"Open Image\" function.");
 745 }
 746 //------------------------------------------------------------------------------
 747
 748
 749 //------------------------------------------------------------------------------
 750 void vvMainWindow::OpenDicom()
 751 {
 752   std::vector<std::string> files;
 753
 754   std::cout << "dicomSeriesSelector " << std::endl;
 755   if (dicomSeriesSelector->exec() == QDialog::Accepted) {
 756     files = *(dicomSeriesSelector->GetFilenames());
 757     LoadImages(files, vvImageReader::DICOM);
 758   }
 759 }
 760 //------------------------------------------------------------------------------
 761
 762 //------------------------------------------------------------------------------
 763 void vvMainWindow::OpenImages()
 764 {
 765   QString Extensions = EXTENSIONS;
 766   Extensions += ";;All Files (*)";
 767
 768   QStringList files = QFileDialog::getOpenFileNames(this,tr("Load Images"),mInputPathName,Extensions);
 769   if (files.isEmpty())
 770     return;
 771   mInputPathName = itksys::SystemTools::GetFilenamePath(files[0].toStdString()).c_str();
 772   std::vector<std::string> vector;
 773   for (int i = 0; i < files.size(); i++)
 774     vector.push_back(files[i].toStdString());
 775   LoadImages(vector, vvImageReader::IMAGE);
 776 }
 777 //------------------------------------------------------------------------------
 778 void vvMainWindow::OpenRecentImage()
 779 {
 780   QAction * caller = qobject_cast<QAction*>(sender());
 781   std::vector<std::string> images;
 782   images.push_back(caller->text().toStdString());
 783   mInputPathName = itksys::SystemTools::GetFilenamePath(images[0]).c_str();
 784   LoadImages(images, vvImageReader::IMAGE);
 785 }
 786 //------------------------------------------------------------------------------
 787
 788
 789 //------------------------------------------------------------------------------
 790 void vvMainWindow::OpenImageWithTime()
 791 {
 792   QString Extensions = EXTENSIONS;
 793   Extensions += ";;All Files (*)";
 794
 795   QStringList files = QFileDialog::getOpenFileNames(this,tr("Load Images With Time"),mInputPathName,Extensions);
 796   if (files.isEmpty())
 797     return;
 798   mInputPathName = itksys::SystemTools::GetFilenamePath(files[0].toStdString()).c_str();
 799   std::vector<std::string> vector;
 800   for (int i = 0; i < files.size(); i++) {
 801     vector.push_back(files[i].toStdString());
 802   }
 803   LoadImages(vector, vvImageReader::IMAGEWITHTIME);
 804 }
 805 //------------------------------------------------------------------------------
 806
 807
 808 //------------------------------------------------------------------------------
 809 void vvMainWindow::LoadImages(std::vector<std::string> files, vvImageReader::LoadedImageType filetype)
 810 {
 811   //Separate the way to open images and dicoms
 812   int fileSize;
 813   if (filetype == vvImageReader::IMAGE || filetype == vvImageReader::IMAGEWITHTIME)
 814     fileSize = files.size();
 815   else
 816     fileSize = 1;
 817
 818   // For SLICED, we need the number of slices (ndim and #slices)
 819   std::vector<unsigned int> nSlices;
 820   nSlices.resize(files.size());
 821   std::fill(nSlices.begin(), nSlices.end(), 1);
 822   if (filetype == vvImageReader::SLICED) {
 823     for (int i = 0; i < fileSize; i++) {
 824       itk::ImageIOBase::Pointer header = clitk::readImageHeader(files[i]);
 825       QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
 826       if (!header) {
 827         nSlices[i] = 0;
 828         QString error = "Cannot open file \n";
 829         error += files[i].c_str();
 830         QMessageBox::information(this,tr("Reading problem"),error);
 831         return;
 832       }
 833       if (header->GetNumberOfDimensions() < 3) {
 834         nSlices[i] = 0;
 835         QString error = "Dimension problem. Cannot slice \n";
 836         error += files[i].c_str();
 837         QMessageBox::information(this,tr("Reading problem"),error);
 838         return;
 839       }
 840       nSlices[i] = header->GetDimensions( header->GetNumberOfDimensions()-1 );
 841     }
 842   }
 843
 844   //Only add to the list of recently opened files when a single file is opened,
 845   //to avoid polluting the list of recently opened files
 846   if (files.size() == 1) {
 847     QFileInfo finfo=tr(files[0].c_str());
 848     AddToRecentlyOpenedImages(finfo.absoluteFilePath().toStdString());
 849     updateRecentlyOpenedFilesMenu(GetRecentlyOpenedImages());
 850   }
 851   //init the progress events
 852   QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
 853   vvProgressDialog progress("Opening " + files[0],fileSize>1);
 854   qApp->processEvents();
 855
 856   int numberofsuccesulreads=0;
 857   //open images as 1 or multiples
 858   for (int i = 0; i < fileSize; i++) {
 859
 860     progress.SetText("Opening " + files[i]);
 861     progress.SetProgress(i,fileSize);
 862     qApp->processEvents();
 863
 864     for (unsigned int j = 0; j < nSlices[i]; j++) {
 865       //read the image and put it in mSlicerManagers
 866       vvSlicerManager* imageManager = new vvSlicerManager(4);
 867       qApp->processEvents();
 868
 869       bool SetImageSucceed=false;
 870
 871       // Change filename if an image with the same already exist
 872       int number = GetImageDuplicateFilenameNumber(files[i] + std::string("_slice"));
 873
 874       if (filetype == vvImageReader::IMAGE || filetype == vvImageReader::IMAGEWITHTIME || filetype == vvImageReader::SLICED)
 875         SetImageSucceed = imageManager->SetImage(files[i],filetype, number, j);
 876       else {
 877         SetImageSucceed = imageManager->SetImages(files,filetype, number);
 878       }
 879       if (!SetImageSucceed) {
 880         QApplication::restoreOverrideCursor();
 881         QString error = "Cannot open file \n";
 882         error += imageManager->GetLastError().c_str();
 883         QMessageBox::information(this,tr("Reading problem"),error);
 884         delete imageManager;
 885       } else {
 886         mSlicerManagers.push_back(imageManager);
 887
 888         //create an item in the tree with good settings
 889         QTreeWidgetItem *item = new QTreeWidgetItem();
 890         item->setData(0,Qt::UserRole,files[i].c_str());
 891         QFileInfo fileinfo(imageManager->GetFileName().c_str()); //Do not show the path
 892         item->setData(COLUMN_IMAGE_NAME,Qt::DisplayRole,fileinfo.fileName());
 893         item->setData(1,Qt::UserRole,tr("image"));
 894         item->setToolTip(COLUMN_IMAGE_NAME, imageManager->GetListOfAbsoluteFilePathInOneString("image").c_str());
 895         qApp->processEvents();
 896
 897         //Create the buttons for reload and close
 898         qApp->processEvents();
 899         QTreePushButton* cButton = new QTreePushButton;
 900         cButton->setItem(item);
 901         cButton->setColumn(COLUMN_CLOSE_IMAGE);
 902         cButton->setToolTip(tr("close image"));
 903         cButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/exit.png")));
 904         connect(cButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
 905                 this,SLOT(CloseImage(QTreeWidgetItem*, int)));
 906
 907         QTreePushButton* rButton = new QTreePushButton;
 908         rButton->setItem(item);
 909         rButton->setColumn(COLUMN_RELOAD_IMAGE);
 910         rButton->setToolTip(tr("reload image"));
 911         rButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/rotateright.png")));
 912         connect(rButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
 913                 this,SLOT(ReloadImage(QTreeWidgetItem*, int)));
 914
 915         DataTree->addTopLevelItem(item);
 916         DataTree->setItemWidget(item, COLUMN_CLOSE_IMAGE, cButton);
 917         DataTree->setItemWidget(item, COLUMN_RELOAD_IMAGE, rButton);
 918
 919         //set the id of the image
 920         QString id = files[i].c_str() + QString::number(mSlicerManagers.size()-1);
 921         item->setData(COLUMN_IMAGE_NAME,Qt::UserRole,id.toStdString().c_str());
 922         mSlicerManagers.back()->SetId(id.toStdString());
 923
 924         linkPanel->addImage(imageManager->GetFileName(), id.toStdString());
 925
 926         connect(mSlicerManagers.back(), SIGNAL(currentImageChanged(std::string)),
 927                 this,SLOT(CurrentImageChanged(std::string)));
 928         connect(mSlicerManagers.back(), SIGNAL(currentPickedImageChanged(std::string)),
 929                 this, SLOT(CurrentPickedImageChanged(std::string)));
 930         connect(mSlicerManagers.back(), SIGNAL(UpdatePosition(int, double, double, double, double, double, double, double)),
 931                 this,SLOT(MousePositionChanged(int,double, double, double, double, double, double, double)));
 932         connect(mSlicerManagers.back(), SIGNAL(UpdateVector(int, double, double, double, double)),
 933                 this, SLOT(VectorChanged(int,double,double,double, double)));
 934         connect(mSlicerManagers.back(), SIGNAL(UpdateOverlay(int, double, double)),
 935                 this, SLOT(OverlayChanged(int,double,double)));
 936         connect(mSlicerManagers.back(), SIGNAL(UpdateFusion(int, double)),
 937                 this, SLOT(FusionChanged(int,double)));
 938         connect(mSlicerManagers.back(), SIGNAL(WindowLevelChanged()),
 939                 this,SLOT(WindowLevelChanged()));
 940         connect(mSlicerManagers.back(), SIGNAL(UpdateSlice(int,int)),
 941                 this,SLOT(UpdateSlice(int,int)));
 942         connect(mSlicerManagers.back(), SIGNAL(UpdateTSlice(int, int)),
 943                 this,SLOT(UpdateTSlice(int, int)));
 944         connect(mSlicerManagers.back(), SIGNAL(UpdateSliceRange(int,int,int,int,int)),
 945                 this,SLOT(UpdateSliceRange(int,int,int,int,int)));
 946         connect(mSlicerManagers.back(), SIGNAL(UpdateLinkManager(std::string,int,double,double,double,int)),
 947                 this,SLOT(UpdateLinkManager(std::string,int,double,double,double,int)));
 948         connect(mSlicerManagers.back(), SIGNAL(UpdateLinkedNavigation(std::string,vvSlicerManager*,vvSlicer*)),
 949                 this,SLOT(UpdateLinkedNavigation(std::string,vvSlicerManager*,vvSlicer*)));
 950         connect(mSlicerManagers.back(), SIGNAL(ChangeImageWithIndexOffset(vvSlicerManager*,int,int)),
 951                 this,SLOT(ChangeImageWithIndexOffset(vvSlicerManager*,int,int)));
 952         connect(mSlicerManagers.back(),SIGNAL(LandmarkAdded()),landmarksPanel,SLOT(AddPoint()));
 953         InitSlicers();
 954         numberofsuccesulreads++;
 955       }
 956     }
 957   }
 958   if (numberofsuccesulreads) {
 959     NOViewWidget->show();
 960     NEViewWidget->show();
 961     SOViewWidget->show();
 962     SEViewWidget->show();
 963     UpdateTree();
 964     InitDisplay();
 965     ShowLastImage();
 966
 967     // Try to guess default WindowLevel
 968     double range[2];
 969     mSlicerManagers.back()->GetImage()->GetFirstVTKImageData()->GetScalarRange(range);
 970     if ((range[0] == 0) && (range[1] == 1)) {
 971       presetComboBox->setCurrentIndex(5);// binary
 972     } else {
 973       // TODO
 974     }
 975   }
 976   QApplication::restoreOverrideCursor();
 977 }
 978 //------------------------------------------------------------------------------
 979
 980 //------------------------------------------------------------------------------
 981 void vvMainWindow::UpdateTree()
 982 {
 983   DataTree->resizeColumnToContents(COLUMN_TREE);
 984   DataTree->resizeColumnToContents(COLUMN_UL_VIEW);
 985   DataTree->resizeColumnToContents(COLUMN_UR_VIEW);
 986   DataTree->resizeColumnToContents(COLUMN_DL_VIEW);
 987   DataTree->resizeColumnToContents(COLUMN_DR_VIEW);
 988   DataTree->resizeColumnToContents(COLUMN_IMAGE_NAME);
 989   DataTree->resizeColumnToContents(COLUMN_CLOSE_IMAGE);
 990   DataTree->resizeColumnToContents(COLUMN_RELOAD_IMAGE);
 991 }
 992 //------------------------------------------------------------------------------
 993
 994 //------------------------------------------------------------------------------
 995 void vvMainWindow::CurrentImageChanged(std::string id)
 996 {
 997   if (id == mCurrentSelectedImageId) return; // Do nothing
 998   int selected = 0;
 999   for (int i = 0; i < DataTree->topLevelItemCount(); i++) {
1000     if (DataTree->topLevelItem(i)->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString().toStdString() == id) {
1001       selected = i;
1002     } else {
1003       DataTree->topLevelItem(i)->setSelected(0);
1004     }
1005     for (int child = 0; child < DataTree->topLevelItem(i)->childCount(); child++)
1006       DataTree->topLevelItem(i)->child(child)->setSelected(0);
1007
1008   }
1009   DataTree->topLevelItem(selected)->setSelected(1);
1010   mCurrentSelectedImageId = id;
1011   emit SelectedImageHasChanged(mSlicerManagers[selected]);
1012 }
1013 //------------------------------------------------------------------------------
1014
1015 //------------------------------------------------------------------------------
1016 void vvMainWindow::CurrentPickedImageChanged(std::string id)
1017 {
1018   if (id == mCurrentPickedImageId) return; // Do nothing
1019   int selected = 0;
1020   for (int i = 0; i < DataTree->topLevelItemCount(); i++) {
1021     if (DataTree->topLevelItem(i)->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString().toStdString() == id) {
1022       selected = i;
1023     } else {
1024       DataTree->topLevelItem(i)->setSelected(0);
1025     }
1026     for (int child = 0; child < DataTree->topLevelItem(i)->childCount(); child++)
1027       DataTree->topLevelItem(i)->child(child)->setSelected(0);
1028
1029   }
1030   DataTree->topLevelItem(selected)->setSelected(1);
1031   mCurrentPickedImageId = id;
1032   mCurrentPickedImageIndex = selected;
1033 }
1034 //------------------------------------------------------------------------------
1035
1036 //------------------------------------------------------------------------------
1037 void vvMainWindow::ImageInfoChanged()
1038 {
1039   contextActions[6]->setEnabled(1);
1040   contextActions[5]->setEnabled(1);
1041   actionSave_As->setEnabled(1);
1042   actionAdd_VF_to_current_Image->setEnabled(1);
1043   actionAdd_fusion_image->setEnabled(1);
1044   actionAdd_overlay_image_to_current_image->setEnabled(1);
1045   actionNorth_East_Window->setEnabled(1);
1046   actionNorth_West_Window->setEnabled(1);
1047   actionSouth_East_Window->setEnabled(1);
1048   actionSouth_West_Window->setEnabled(1);
1049   vvToolManager::GetInstance()->EnableToolsInMenu(this, true);
1050   inverseButton->setEnabled(1);
1051
1052   goToCursorPushButton->setEnabled(1);
1053
1054   if (DataTree->selectedItems().size()) {
1055     int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1056
1057     colorMapComboBox->setEnabled(1);
1058     for (int i = 0; i < DataTree->topLevelItem(index)->childCount(); i++) {
1059       if (DataTree->topLevelItem(index)->child(i)->data(1,Qt::UserRole).toString() == "overlay" ||
1060           DataTree->topLevelItem(index)->child(i)->data(1,Qt::UserRole).toString() == "fusion") {
1061         colorMapComboBox->setEnabled(0);
1062         break;
1063       }
1064     }
1065
1066     std::vector<double> origin;
1067     std::vector<double> inputSpacing;
1068     std::vector<int> inputSize;
1069     std::vector<double> sizeMM;
1070     vtkSmartPointer<vtkMatrix4x4> transformation;
1071     int dimension=0;
1072     QString pixelType;
1073     QString inputSizeInBytes;
1074     QString image = DataTree->selectedItems()[0]->data(COLUMN_IMAGE_NAME,Qt::DisplayRole).toString();
1075
1076     if (mSlicerManagers[index]->GetSlicer(0)->GetImage()->GetVTKImages().size() > 1 || playMode == 1) {
1077       playButton->setEnabled(1);
1078       frameRateLabel->setEnabled(1);
1079       frameRateSpinBox->setEnabled(1);
1080     } else {
1081       playButton->setEnabled(0);
1082       frameRateLabel->setEnabled(0);
1083       frameRateSpinBox->setEnabled(0);
1084     }
1085
1086     //read image header
1087     int NPixel = 1;
1088
1089     vvImage::Pointer imageSelected;
1090     if (DataTree->topLevelItem(index) == DataTree->selectedItems()[0]) {
1091       imageSelected = mSlicerManagers[index]->GetSlicer(0)->GetImage();
1092     } else if (DataTree->selectedItems()[0]->data(1,Qt::UserRole).toString() == "vector") {
1093       imageSelected = mSlicerManagers[index]->GetSlicer(0)->GetVF();
1094     } else if (DataTree->selectedItems()[0]->data(1,Qt::UserRole).toString() == "overlay") {
1095       imageSelected = mSlicerManagers[index]->GetSlicer(0)->GetOverlay();
1096     } else if (DataTree->selectedItems()[0]->data(1,Qt::UserRole).toString() == "fusion") {
1097       imageSelected = mSlicerManagers[index]->GetSlicer(0)->GetFusion();
1098     }
1099     else if (DataTree->selectedItems()[0]->data(1,Qt::UserRole).toString() == "contour") {
1100       imageSelected = mSlicerManagers[index]->GetSlicer(0)->GetImage();
1101     }
1102     else {
1103       imageSelected = mSlicerManagers[index]->GetSlicer(0)->GetImage();
1104     }
1105
1106     dimension = imageSelected->GetNumberOfDimensions();
1107     origin.resize(dimension);
1108     inputSpacing.resize(dimension);
1109     inputSize.resize(dimension);
1110     sizeMM.resize(dimension);
1111     pixelType = mSlicerManagers[index]->GetImage()->GetScalarTypeAsITKString().c_str();
1112     for (int i = 0; i < dimension; i++) {
1113       origin[i] = imageSelected->GetOrigin()[i];
1114       inputSpacing[i] = imageSelected->GetSpacing()[i];
1115       inputSize[i] = imageSelected->GetSize()[i];
1116       sizeMM[i] = inputSize[i]*inputSpacing[i];
1117       NPixel *= inputSize[i];
1118     }
1119     inputSizeInBytes = GetSizeInBytes(imageSelected->GetActualMemorySize()*1000);
1120
1121     QString dim = QString::number(dimension) + " (";
1122     dim += pixelType + ")";
1123
1124     infoPanel->setFileName(image);
1125     infoPanel->setDimension(dim);
1126     infoPanel->setSizePixel(GetVectorIntAsString(inputSize));
1127     infoPanel->setSizeMM(GetVectorDoubleAsString(sizeMM));
1128     infoPanel->setOrigin(GetVectorDoubleAsString(origin));
1129     infoPanel->setSpacing(GetVectorDoubleAsString(inputSpacing));
1130     infoPanel->setNPixel(QString::number(NPixel)+" ("+inputSizeInBytes+")");
1131     transformation = imageSelected->GetTransform()->GetMatrix();
1132     infoPanel->setTransformation(Get4x4MatrixDoubleAsString(transformation));
1133
1134     landmarksPanel->SetCurrentLandmarks(mSlicerManagers[index]->GetLandmarks(),
1135                                         mSlicerManagers[index]->GetSlicer(0)->GetImage()->GetVTKImages().size());
1136     landmarksPanel->SetCurrentPath(mInputPathName.toStdString());
1137     landmarksPanel->SetCurrentImage(mSlicerManagers[index]->GetFileName().c_str());
1138
1139     overlayPanel->getCurrentImageName(mSlicerManagers[index]->GetFileName().c_str());
1140     for (int i = 0; i < 4; i++) {
1141       if (DataTree->selectedItems()[0]->data(i+1,Qt::CheckStateRole).toInt() > 0 || i == 3) {
1142         mSlicerManagers[index]->UpdateInfoOnCursorPosition(i);
1143         break;
1144       }
1145     }
1146
1147     infoPanel->setFileName(image);
1148     infoPanel->setDimension(dim);
1149     infoPanel->setSizePixel(GetVectorIntAsString(inputSize));
1150     infoPanel->setSizeMM(GetVectorDoubleAsString(sizeMM));
1151     infoPanel->setOrigin(GetVectorDoubleAsString(origin));
1152     infoPanel->setSpacing(GetVectorDoubleAsString(inputSpacing));
1153     infoPanel->setNPixel(QString::number(NPixel)+" ("+inputSizeInBytes+")");
1154
1155     landmarksPanel->SetCurrentLandmarks(mSlicerManagers[index]->GetLandmarks(),
1156                                         mSlicerManagers[index]->GetSlicer(0)->GetImage()->GetVTKImages().size());
1157     landmarksPanel->SetCurrentPath(mInputPathName.toStdString());
1158     landmarksPanel->SetCurrentImage(mSlicerManagers[index]->GetFileName().c_str());
1159
1160     overlayPanel->getCurrentImageName(mSlicerManagers[index]->GetFileName().c_str());
1161     for (int i = 0; i < 4; i++) {
1162       if (DataTree->selectedItems()[0]->data(i+1,Qt::CheckStateRole).toInt() > 0 || i == 3) {
1163         mSlicerManagers[index]->UpdateInfoOnCursorPosition(i);
1164         break;
1165       }
1166     }
1167     WindowLevelChanged();
1168
1169     if (mSlicerManagers[index]->GetSlicer(0)->GetVF()) {
1170       overlayPanel->getVFName(mSlicerManagers[index]->GetVFName().c_str());
1171       overlayPanel->getVFProperty(mSlicerManagers[index]->GetSlicer(0)->GetVFSubSampling(),
1172                                   mSlicerManagers[index]->GetSlicer(0)->GetVFScale(),
1173                                   mSlicerManagers[index]->GetSlicer(0)->GetVFLog());
1174     } else {
1175       overlayPanel->getVFName(mSlicerManagers[index]->GetVFName().c_str());
1176       overlayPanel->getVFProperty(-1,-1,-1);
1177     }
1178     if (mSlicerManagers[index]->GetSlicer(0)->GetOverlay()) {
1179       overlayPanel->getOverlayName(mSlicerManagers[index]->GetOverlayName().c_str());
1180     } else {
1181       overlayPanel->getOverlayName(mSlicerManagers[index]->GetOverlayName().c_str());
1182     }
1183
1184     if (mSlicerManagers[index]->GetSlicer(0)->GetFusion()) {
1185       overlayPanel->getFusionName(mSlicerManagers[index]->GetFusionName().c_str());
1186     } else {
1187       overlayPanel->getFusionName(mSlicerManagers[index]->GetFusionName().c_str());
1188     }
1189   }
1190 }
1191 //------------------------------------------------------------------------------
1192
1193 //------------------------------------------------------------------------------
1194 void vvMainWindow::ShowDocumentation()
1195 {
1196   documentation->show();
1197 }
1198 //------------------------------------------------------------------------------
1199
1200 //------------------------------------------------------------------------------
1201 void vvMainWindow::PopupRegisterForm(bool checkCanPush)
1202 {
1203   vvRegisterForm* registerForm = new vvRegisterForm(QUrl("http://www.creatis.insa-lyon.fr/~dsarrut/vvregister/write.php"), getVVSettingsPath(), getSettingsOptionFormat());
1204   if(!checkCanPush) {
1205     registerForm->show();
1206   } else {
1207     if(registerForm->canPush()) {
1208       registerForm->show();
1209       registerForm->acquitPushed();//too bad if there is not internet connection anymore.
1210     }
1211   }
1212 }
1213 //------------------------------------------------------------------------------
1214
1215 //------------------------------------------------------------------------------
1216 void vvMainWindow::ShowHelpDialog()
1217 {
1218   help_dialog->show();
1219 }
1220 //------------------------------------------------------------------------------
1221
1222 //------------------------------------------------------------------------------
1223 void vvMainWindow::ChangeViewMode()
1224 {
1225   QList<int> size;
1226   if (viewMode == 1) {
1227     viewMode = 0;
1228     size.push_back(1);
1229     size.push_back(0);
1230     splitter_3->setSizes(size);
1231     OSplitter->setSizes(size);
1232     DataTree->setColumnHidden(2,1);
1233     DataTree->setColumnHidden(3,1);
1234     DataTree->setColumnHidden(4,1);
1235   } else {
1236     viewMode = 1;
1237     size.push_back(1);
1238     size.push_back(1);
1239     splitter_3->setSizes(size);
1240     OSplitter->setSizes(size);
1241     DataTree->setColumnHidden(2,0);
1242     DataTree->setColumnHidden(3,0);
1243     DataTree->setColumnHidden(4,0);
1244   }
1245   UpdateRenderWindows();
1246   /*
1247   ** I don't know why but for both resized QVTKWidget we also need to render
1248   ** the associated Slicer to redraw crosses.
1249   */
1250   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
1251     if (DataTree->topLevelItem(i)->data(COLUMN_UL_VIEW,Qt::CheckStateRole).toInt() > 1)
1252       mSlicerManagers[i]->GetSlicer(0)->Render();
1253     if (DataTree->topLevelItem(i)->data(COLUMN_DL_VIEW,Qt::CheckStateRole).toInt() > 1)
1254       mSlicerManagers[i]->GetSlicer(2)->Render();
1255   }
1256 }
1257 //------------------------------------------------------------------------------
1258
1259 //------------------------------------------------------------------------------
1260 QString vvMainWindow::GetSizeInBytes(unsigned long size)
1261 {
1262   QString result = "";// QString::number(size);
1263   //result += " bytes (";
1264   if (size > 1000000000) {
1265     size /= 1000000000;
1266     result += QString::number(size);
1267     result += "Gb";//)";
1268   } else if (size > 1000000) {
1269     size /= 1000000;
1270     result += QString::number(size);
1271     result += "Mb";//)";
1272   } else if (size > 1000) {
1273     size /= 1000;
1274     result += QString::number(size);
1275     result += "kb";//)";
1276   }
1277   return result;
1278 }
1279 //------------------------------------------------------------------------------
1280
1281 //------------------------------------------------------------------------------
1282 QString vvMainWindow::Get4x4MatrixDoubleAsString(vtkSmartPointer<vtkMatrix4x4> matrix)
1283 {
1284   std::ostringstream strmatrix;
1285
1286   for (unsigned int i = 0; i < 4; i++) {
1287     for (unsigned int j = 0; j < 4; j++) {
1288       strmatrix.flags(ios::showpos);
1289       strmatrix.width(10);
1290       strmatrix.precision(3);
1291       strmatrix.setf(ios::fixed,ios::floatfield);
1292       strmatrix.fill(' ');
1293       strmatrix << std::left << matrix->GetElement(i, j);
1294       //strmatrix.width(10);
1295       strmatrix << " ";
1296     }
1297     strmatrix << std::endl;
1298   }
1299   QString result = strmatrix.str().c_str();
1300   return result;
1301 }
1302 //------------------------------------------------------------------------------
1303
1304 //------------------------------------------------------------------------------
1305 QString vvMainWindow::GetVectorDoubleAsString(std::vector<double> vectorDouble)
1306 {
1307   QString result;
1308   for (unsigned int i= 0; i < vectorDouble.size(); i++) {
1309     if (i != 0)
1310       result += " ";
1311     result += QString::number(vectorDouble[i]);
1312   }
1313   return result;
1314 }
1315 //------------------------------------------------------------------------------
1316
1317 //------------------------------------------------------------------------------
1318 QString vvMainWindow::GetVectorIntAsString(std::vector<int> vectorInt)
1319 {
1320   QString result;
1321   for (unsigned int i= 0; i < vectorInt.size(); i++) {
1322     if (i != 0)
1323       result += " ";
1324     result += QString::number(vectorInt[i]);
1325   }
1326   return result;
1327 }
1328 //------------------------------------------------------------------------------
1329
1330 //------------------------------------------------------------------------------
1331 int vvMainWindow::GetSlicerIndexFromItem(QTreeWidgetItem* item)
1332 {
1333   QString id = item->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString();
1334   for (int i = 0; i < DataTree->topLevelItemCount(); i++) {
1335     if (DataTree->topLevelItem(i)->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString() == id)
1336       return i;
1337   }
1338   return -1;
1339 }
1340 //------------------------------------------------------------------------------
1341
1342 //------------------------------------------------------------------------------
1343 QTreeWidgetItem* vvMainWindow::GetItemFromSlicerManager(vvSlicerManager* sm)
1344 {
1345   QString id = sm->GetId().c_str();
1346   for (int i = 0; i < DataTree->topLevelItemCount(); i++) {
1347     if (DataTree->topLevelItem(i)->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString() == id)
1348       return DataTree->topLevelItem(i);
1349   }
1350   return NULL;
1351 }
1352 //------------------------------------------------------------------------------
1353
1354 //------------------------------------------------------------------------------
1355 void vvMainWindow::DisplayChanged(QTreeWidgetItem *clickedItem, int column)
1356 {
1357   if ( column >= COLUMN_CLOSE_IMAGE || column <= 0)
1358     return;
1359
1360   // Get parent information (might be the same item)
1361   int slicerManagerIndex = GetSlicerIndexFromItem(clickedItem);
1362   QTreeWidgetItem* clickedParentItem = DataTree->topLevelItem(slicerManagerIndex);
1363   vvSlicer* clickedSlicer = mSlicerManagers[slicerManagerIndex]->GetSlicer(column-1);
1364
1365   // Go over the complete item tree (only 2 levels, parents and children)
1366   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
1367     // Trick to avoid redoing twice the job for a key (sr)
1368     mSlicerManagers[i]->GetSlicer(column-1)->GetRenderWindow()->GetInteractor()->SetKeySym("Crap");
1369
1370     QTreeWidgetItem* currentParentItem = DataTree->topLevelItem(i);
1371     if(currentParentItem != clickedParentItem) {
1372       // Not the branch of the clicked item, uncheck all
1373
1374       // Parent
1375       currentParentItem->setData(column,Qt::CheckStateRole, 0);
1376       mSlicerManagers[i]->UpdateSlicer(column-1, false);
1377
1378       // Children
1379       for (int iChild = 0; iChild < currentParentItem->childCount(); iChild++) {
1380         currentParentItem->child(iChild)->setData(column,Qt::CheckStateRole, 0);
1381       }
1382     }
1383     else {
1384       // Branch of the clicked one: get check status from actor visibility in slicer
1385       // and toggle the clicked one
1386
1387       // Parent
1388       bool vis = clickedSlicer->GetActorVisibility("image", 0);
1389       bool draw = clickedSlicer->GetRenderer()->GetDraw();
1390
1391       // Update slicer (after getting visibility)
1392       mSlicerManagers[slicerManagerIndex]->UpdateSlicer(column-1, true);
1393       mSlicerManagers[slicerManagerIndex]->UpdateInfoOnCursorPosition(column-1);
1394       DisplaySliders(slicerManagerIndex, column-1);
1395       if(clickedParentItem == clickedItem) {
1396         // Toggle
1397         vis = !draw || !vis;
1398       }
1399       clickedSlicer->SetActorVisibility("image", 0, vis);
1400       clickedParentItem->setData(column, Qt::CheckStateRole, vis?2:0);
1401
1402       // Children
1403       std::map<std::string, int> actorTypeCounts;
1404       for (int iChild = 0; iChild < clickedParentItem->childCount(); iChild++) {
1405         QTreeWidgetItem* currentChildItem = clickedParentItem->child(iChild);
1406         std::string actorType = currentChildItem->data(1,Qt::UserRole).toString().toStdString();
1407         vis = clickedSlicer->GetActorVisibility(actorType, actorTypeCounts[actorType]);
1408         if(currentChildItem == clickedItem) {
1409           // Toggle or force visibility if it was not on this branch so far
1410           vis = !draw || !vis;
1411           clickedSlicer->SetActorVisibility(actorType, actorTypeCounts[actorType], vis);
1412         }
1413         currentChildItem->setData(column, Qt::CheckStateRole, vis?2:0);
1414         actorTypeCounts[actorType]++;
1415       }
1416     }
1417   }
1418
1419   clickedSlicer->Render();
1420 }
1421 //------------------------------------------------------------------------------
1422
1423 void vvMainWindow::InitSlicers()
1424 {
1425   if (mSlicerManagers.size()) {
1426     mSlicerManagers.back()->GenerateDefaultLookupTable();
1427
1428     mSlicerManagers.back()->SetSlicerWindow(0,NOViewWidget->GetRenderWindow());
1429     mSlicerManagers.back()->SetSlicerWindow(1,NEViewWidget->GetRenderWindow());
1430     mSlicerManagers.back()->SetSlicerWindow(2,SOViewWidget->GetRenderWindow());
1431     mSlicerManagers.back()->SetSlicerWindow(3,SEViewWidget->GetRenderWindow());
1432   }
1433 }
1434
1435 //------------------------------------------------------------------------------
1436 void vvMainWindow::InitDisplay()
1437 {
1438   if (mSlicerManagers.size()) {
1439     //BE CAREFUL : this is absolutely necessary to set the interactor style
1440     //in order to have the same style instanciation for all SlicerManagers in
1441     // a same window
1442     for (int j = 0; j < 4; j++) {
1443       vvInteractorStyleNavigator* style = vvInteractorStyleNavigator::New();
1444       style->SetAutoAdjustCameraClippingRange(1);
1445       bool AlreadySelected = false;
1446       for (int i = 0; i < DataTree->topLevelItemCount(); i++) {
1447         mSlicerManagers[i]->SetInteractorStyleNavigator(j,style);
1448
1449         //select the image only if previous are not selected
1450         if (DataTree->topLevelItem(i)->data(j+1,Qt::CheckStateRole).toInt() > 1) {
1451           mSlicerManagers[i]->UpdateSlicer(j,1);
1452           AlreadySelected = true;
1453         } else if (i == DataTree->topLevelItemCount()-1 && !AlreadySelected) {
1454           if (DataTree->selectedItems().size() == 0)
1455             DataTree->topLevelItem(i)->setSelected(1);
1456           DataTree->topLevelItem(i)->setData(j+1,Qt::CheckStateRole,2);
1457           mSlicerManagers[i]->UpdateSlicer(j,1);
1458           DisplaySliders(i,j);
1459         } else {
1460           DataTree->topLevelItem(i)->setData(j+1,Qt::CheckStateRole,0);
1461           mSlicerManagers[i]->UpdateSlicer(j,0);
1462         }
1463       }
1464       style->Delete();
1465     }
1466   }
1467 }
1468 //------------------------------------------------------------------------------
1469
1470 //------------------------------------------------------------------------------
1471 void vvMainWindow::DisplaySliders(int slicer, int window)
1472 {
1473   int range[2];
1474   mSlicerManagers[slicer]->GetSlicer(window)->GetSliceRange(range);
1475   int position = mSlicerManagers[slicer]->GetSlicer(window)->GetSlice();
1476
1477   int tRange[2];
1478   tRange[0] = 0;
1479   tRange[1] = mSlicerManagers[slicer]->GetSlicer(window)->GetTMax();
1480   int tPosition = mSlicerManagers[slicer]->GetSlicer(window)->GetTSlice();
1481   bool showHorizontal = false;
1482   bool showVertical = false;
1483   if (mSlicerManagers[slicer]->GetSlicer(window)->GetImage()->GetNumberOfDimensions() > 3
1484       || (mSlicerManagers[slicer]->GetSlicer(window)->GetImage()->GetNumberOfDimensions() > 2
1485           && mSlicerManagers[slicer]->GetType() != vvImageReader::IMAGEWITHTIME
1486           && mSlicerManagers[slicer]->GetType() != vvImageReader::MERGEDWITHTIME))
1487     showVertical = true;
1488   if (mSlicerManagers[slicer]->GetSlicer(window)->GetImage()->GetNumberOfDimensions() > 3
1489       || mSlicerManagers[slicer]->GetType() == vvImageReader::IMAGEWITHTIME
1490       || mSlicerManagers[slicer]->GetType() == vvImageReader::MERGEDWITHTIME)
1491     showHorizontal = true;
1492
1493   if (showVertical)
1494     verticalSliders[window]->show();
1495   else
1496     verticalSliders[window]->hide();
1497   verticalSliders[window]->setRange(range[0],range[1]);
1498   verticalSliders[window]->setValue(position);
1499
1500   if (showHorizontal)
1501     horizontalSliders[window]->show();
1502   else
1503     horizontalSliders[window]->hide();
1504   horizontalSliders[window]->setRange(tRange[0],tRange[1]);
1505   horizontalSliders[window]->setValue(tPosition);
1506 }
1507 //------------------------------------------------------------------------------
1508
1509 //------------------------------------------------------------------------------
1510 void vvMainWindow::CloseImage(QTreeWidgetItem* item, int column)
1511 {
1512   int index = GetSlicerIndexFromItem(item);
1513
1514   if (DataTree->topLevelItem(index) != item) {
1515     QString warning = "Do you really want to close the overlay : ";
1516     warning += item->data(COLUMN_IMAGE_NAME,Qt::DisplayRole).toString();
1517     QMessageBox msgBox(QMessageBox::Warning, tr("Close Overlay"),
1518                        warning, 0, this);
1519     msgBox.addButton(tr("Close"), QMessageBox::AcceptRole);
1520     msgBox.addButton(tr("Cancel"), QMessageBox::RejectRole);
1521     if (msgBox.exec() == QMessageBox::AcceptRole) {
1522       std::string overlay_type=item->data(1,Qt::UserRole).toString().toStdString();
1523       int overlay_index=0;
1524       for (int child = 0; child < DataTree->topLevelItem(index)->childCount(); child++) {
1525         if (DataTree->topLevelItem(index)->\
1526             child(child)->data(1,Qt::UserRole).toString().toStdString() == overlay_type)
1527           overlay_index++;
1528         if (DataTree->topLevelItem(index)->child(child) == item) break;
1529       }
1530       mSlicerManagers[index]->RemoveActor(overlay_type, overlay_index-1);
1531       mSlicerManagers[index]->SetColorMap(0);
1532       DataTree->topLevelItem(index)->takeChild(DataTree->topLevelItem(index)->indexOfChild(item));
1533       mSlicerManagers[index]->Render();
1534     }
1535   } else if (DataTree->topLevelItemCount() <= 1) {
1536     QString warning = "Do you really want to close the image : ";
1537     warning += item->data(COLUMN_IMAGE_NAME,Qt::DisplayRole).toString();
1538     warning += "\nThis is the last image, you're about to close vv !!!";
1539     QMessageBox msgBox(QMessageBox::Warning, tr("Close Image"),
1540                        warning, 0, this);
1541     msgBox.addButton(tr("Close vv"), QMessageBox::AcceptRole);
1542     msgBox.addButton(tr("Cancel"), QMessageBox::RejectRole);
1543     if (msgBox.exec() == QMessageBox::AcceptRole) {
1544       this->close();
1545     }
1546   } else {
1547     QString warning = "Do you really want to close the image : ";
1548     warning += item->data(COLUMN_IMAGE_NAME,Qt::DisplayRole).toString();
1549     QMessageBox msgBox(QMessageBox::Warning, tr("Close Image"),
1550                        warning, 0, this);
1551     msgBox.addButton(tr("Close"), QMessageBox::AcceptRole);
1552     msgBox.addButton(tr("Cancel"), QMessageBox::RejectRole);
1553     if (msgBox.exec() == QMessageBox::AcceptRole) {
1554
1555       // Tell tools that we close an image
1556       emit AnImageIsBeingClosed(mSlicerManagers[index]);
1557
1558       std::vector<vvSlicerManager*>::iterator Manageriter = mSlicerManagers.begin();
1559       DataTree->takeTopLevelItem(index);
1560       for (int i = 0; i < index; i++) {
1561         Manageriter++;
1562       }
1563       linkPanel->removeImage(index);
1564       mSlicerManagers[index]->RemoveActors();
1565       delete mSlicerManagers[index];
1566       mSlicerManagers.erase(Manageriter);
1567
1568       //
1569       InitDisplay();
1570     }
1571   }
1572   ImageInfoChanged();
1573 }
1574 //------------------------------------------------------------------------------
1575
1576 //------------------------------------------------------------------------------
1577 void vvMainWindow::ReloadImage(QTreeWidgetItem* item, int column)
1578 {
1579   // int index = GetSlicerIndexFromItem(item);
1580   //   QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
1581   //   if (item->data(1,Qt::UserRole).toString() == "vector")
1582   //     mSlicerManagers[index]->ReloadVF();
1583   //   else
1584   //     mSlicerManagers[index]->Reload();
1585
1586   //   QApplication::restoreOverrideCursor();
1587   int index = GetSlicerIndexFromItem(item);
1588   QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
1589   QString role=item->data(1,Qt::UserRole).toString();
1590   if ( role == "vector"){
1591     mSlicerManagers[index]->ReloadVF();
1592   }
1593   else if (role == "overlay"){
1594     mSlicerManagers[index]->ReloadOverlay();
1595   }
1596   else if (role == "fusion"){
1597     mSlicerManagers[index]->ReloadFusion();
1598   }
1599   else{
1600     mSlicerManagers[index]->Reload();
1601   }
1602   // Update view and info
1603   ImageInfoChanged();
1604   mSlicerManagers[index]->Render();
1605   QApplication::restoreOverrideCursor();
1606 }
1607 //------------------------------------------------------------------------------
1608
1609 //------------------------------------------------------------------------------
1610 void vvMainWindow::MousePositionChanged(int visibility,double x, double y, double z, double X, double Y, double Z , double value)
1611 {
1612   infoPanel->setCurrentInfo(visibility,x,y,z,X,Y,Z,value);
1613 }
1614 //------------------------------------------------------------------------------
1615
1616 //------------------------------------------------------------------------------
1617 void vvMainWindow::VectorChanged(int visibility,double x, double y, double z, double value)
1618 {
1619   overlayPanel->getCurrentVectorInfo(visibility,x,y,z,value);
1620 }
1621 //------------------------------------------------------------------------------
1622
1623 //------------------------------------------------------------------------------
1624 void vvMainWindow::OverlayChanged(int visibility, double valueOver, double valueRef)
1625 {
1626   overlayPanel->getCurrentOverlayInfo(visibility,valueOver, valueRef);
1627 }
1628 //------------------------------------------------------------------------------
1629
1630 //------------------------------------------------------------------------------
1631 void vvMainWindow::FusionChanged(int visibility, double value)
1632 {
1633   overlayPanel->getCurrentFusionInfo(visibility,value);
1634 }
1635 //------------------------------------------------------------------------------
1636
1637 //------------------------------------------------------------------------------
1638 void vvMainWindow::WindowLevelChanged()
1639 {
1640   // Base image
1641   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1642   if(index==-1) return;
1643   windowSpinBox->setValue(mSlicerManagers[index]->GetColorWindow());
1644   levelSpinBox->setValue(mSlicerManagers[index]->GetColorLevel());
1645   colorMapComboBox->setCurrentIndex(mSlicerManagers[index]->GetColorMap());
1646   presetComboBox->setCurrentIndex(mSlicerManagers[index]->GetPreset());
1647
1648   // Overlay image
1649   if (mSlicerManagers[index]->GetSlicer(0)->GetOverlay())
1650     overlayPanel->getOverlayProperty(mSlicerManagers[index]->GetOverlayColor(),
1651                                      mSlicerManagers[index]->GetLinkOverlayWindowLevel(),
1652                                      mSlicerManagers[index]->GetOverlayColorWindow(),
1653                                      mSlicerManagers[index]->GetOverlayColorLevel());
1654   else
1655     overlayPanel->getOverlayProperty(-1,0,0.,0.);
1656
1657   // Fusion image
1658   if (mSlicerManagers[index]->GetSlicer(0)->GetFusion())
1659     overlayPanel->getFusionProperty(mSlicerManagers[index]->GetFusionOpacity(),
1660                                     mSlicerManagers[index]->GetFusionThresholdOpacity(),
1661                                     mSlicerManagers[index]->GetFusionColorMap(),
1662                                     mSlicerManagers[index]->GetFusionWindow(),
1663                                     mSlicerManagers[index]->GetFusionLevel());
1664   else
1665     overlayPanel->getFusionProperty(-1, -1, -1, -1, -1);
1666 }
1667 //------------------------------------------------------------------------------
1668
1669 //------------------------------------------------------------------------------
1670 void vvMainWindow::WindowLevelEdited()
1671 {
1672   presetComboBox->setCurrentIndex(6);
1673   UpdateWindowLevel();
1674 }
1675 //------------------------------------------------------------------------------
1676
1677 //------------------------------------------------------------------------------
1678 void vvMainWindow::SetWindowLevel(double w, double l)
1679 {
1680   windowSpinBox->setValue(w);
1681   levelSpinBox->setValue(l);
1682   presetComboBox->setCurrentIndex(6);
1683   colorMapComboBox->setCurrentIndex(0);
1684   UpdateWindowLevel();
1685 }
1686 //------------------------------------------------------------------------------
1687
1688 //------------------------------------------------------------------------------
1689 void vvMainWindow::UpdateWindowLevel()
1690 {
1691   if (DataTree->selectedItems().size()) {
1692     if (presetComboBox->currentIndex() == 7) //For ventilation
1693       colorMapComboBox->setCurrentIndex(5);
1694     int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1695     mSlicerManagers[index]->SetColorWindow(windowSpinBox->value());
1696     mSlicerManagers[index]->SetColorLevel(levelSpinBox->value());
1697     mSlicerManagers[index]->SetPreset(presetComboBox->currentIndex());
1698     mSlicerManagers[index]->Render();
1699     WindowLevelChanged();
1700   }
1701 }
1702 //------------------------------------------------------------------------------
1703
1704 //------------------------------------------------------------------------------
1705 void vvMainWindow::UpdateColorMap()
1706 {
1707   if (DataTree->selectedItems().size()) {
1708     int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1709     mSlicerManagers[index]->SetColorMap(colorMapComboBox->currentIndex());
1710     mSlicerManagers[index]->Render();
1711   }
1712 }
1713 //------------------------------------------------------------------------------
1714 void vvMainWindow::SwitchWindowLevel()
1715 {
1716   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1717   int window = mSlicerManagers[index]->GetColorWindow();
1718   presetComboBox->setCurrentIndex(6);
1719   windowSpinBox->setValue(-window);
1720   UpdateWindowLevel();
1721 }
1722 //------------------------------------------------------------------------------
1723
1724 //------------------------------------------------------------------------------
1725 void vvMainWindow::ApplyWindowLevelToAllImages()
1726 {
1727   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1728   if(index==-1) return;
1729   double window = mSlicerManagers[index]->GetColorWindow();
1730   double level = mSlicerManagers[index]->GetColorLevel();
1731
1732   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
1733     if (mSlicerManagers[i] == NULL)
1734       continue;
1735     mSlicerManagers[i]->SetColorWindow(window);
1736     mSlicerManagers[i]->SetColorLevel(level);
1737     mSlicerManagers[i]->SetPreset(6);
1738     mSlicerManagers[i]->Render();
1739   }
1740 }
1741 //------------------------------------------------------------------------------
1742
1743 //------------------------------------------------------------------------------
1744 void vvMainWindow::UpdateLinkManager(std::string id, int slicer, double x, double y, double z, int temps)
1745 {
1746   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
1747     if (mSlicerManagers[i]->GetId() == id) {
1748       //mSlicerManagers[i]->SetTSlice(temps);
1749       mSlicerManagers[i]->GetSlicer(slicer)->SetCurrentPosition(x,y,z,temps);
1750       mSlicerManagers[i]->UpdateViews(0,slicer);
1751       break;
1752     }
1753   }
1754 }
1755 //------------------------------------------------------------------------------
1756
1757 //------------------------------------------------------------------------------
1758 void vvMainWindow::UpdateLinkedNavigation(std::string id, vvSlicerManager * sm, vvSlicer* refSlicer)
1759 {
1760   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
1761     if (id == mSlicerManagers[i]->GetId()) {
1762       mSlicerManagers[i]->UpdateLinkedNavigation(refSlicer);
1763     }
1764   }
1765 }
1766 //------------------------------------------------------------------------------
1767
1768 //------------------------------------------------------------------------------
1769 void vvMainWindow::ShowContextMenu(QPoint point)
1770 {
1771   if (!DataTree->selectedItems().size()) {
1772     contextActions[1]->setEnabled(0);
1773     contextActions[2]->setEnabled(0);
1774     contextActions[3]->setEnabled(0);
1775     contextActions[4]->setEnabled(0);
1776     contextActions[5]->setEnabled(0);
1777     contextActions[6]->setEnabled(0);
1778   } else {
1779     int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1780     contextActions[1]->setEnabled(1);
1781     contextActions[2]->setEnabled(
1782       DataTree->itemWidget(DataTree->selectedItems()[0],
1783                            COLUMN_RELOAD_IMAGE)->isEnabled());
1784     contextActions[3]->setEnabled(1);
1785     contextActions[5]->setEnabled(1);
1786     contextActions[6]->setEnabled(1);
1787
1788     if (mSlicerManagers[index]->GetDimension() < 3)
1789       contextActions[4]->setEnabled(0);
1790     else
1791       contextActions[4]->setEnabled(1);
1792   }
1793   contextMenu.exec(QCursor::pos());
1794 }
1795 //------------------------------------------------------------------------------
1796
1797 //------------------------------------------------------------------------------
1798 void vvMainWindow::CloseImage()
1799 {
1800   CloseImage(DataTree->selectedItems()[0],0);
1801 }
1802 //------------------------------------------------------------------------------
1803
1804 //------------------------------------------------------------------------------
1805 void vvMainWindow::ReloadImage()
1806 {
1807   ReloadImage(DataTree->selectedItems()[0],0);
1808 }
1809 //------------------------------------------------------------------------------
1810
1811 //------------------------------------------------------------------------------
1812 void vvMainWindow::SelectOverlayImage()
1813 {
1814   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1815
1816   //check if one overlay image is added
1817   for (int child = 0; child < DataTree->topLevelItem(index)->childCount(); child++)
1818     if (DataTree->topLevelItem(index)->child(child)->data(1,Qt::UserRole).toString() == "overlay") {
1819       QString error = "Cannot add more than one compared image\n";
1820       error += "Please remove first ";
1821       error += DataTree->topLevelItem(index)->child(child)->data(COLUMN_IMAGE_NAME,Qt::DisplayRole).toString();
1822       QMessageBox::information(this,tr("Problem adding compared image !"),error);
1823       return;
1824     }
1825
1826   QString Extensions = EXTENSIONS;
1827   Extensions += ";;All Files (*)";
1828   QString file = QFileDialog::getOpenFileName(this,tr("Load Overlay image"),mInputPathName,Extensions);
1829   if (!file.isEmpty())
1830     AddOverlayImage(index,file);
1831 }
1832 //------------------------------------------------------------------------------
1833
1834 //------------------------------------------------------------------------------
1835 void vvMainWindow::AddOverlayImage(int index, QString file)
1836 {
1837   if (QFile::exists(file))
1838   {
1839     mInputPathName = itksys::SystemTools::GetFilenamePath(file.toStdString()).c_str();
1840     itk::ImageIOBase::Pointer reader = itk::ImageIOFactory::CreateImageIO(
1841         file.toStdString().c_str(), itk::ImageIOFactory::ReadMode);
1842     reader->SetFileName(file.toStdString().c_str());
1843     reader->ReadImageInformation();
1844     std::string component = reader->GetComponentTypeAsString(reader->GetComponentType());
1845     int dimension = reader->GetNumberOfDimensions();
1846     QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
1847     vvProgressDialog progress("Opening " + file.toStdString());
1848     qApp->processEvents();
1849
1850     std::string filename = itksys::SystemTools::GetFilenameWithoutExtension(file.toStdString()).c_str();
1851     if (mSlicerManagers[index]->SetOverlay(file.toStdString(),dimension, component)) {
1852       //create an item in the tree with good settings
1853       QTreeWidgetItem *item = new QTreeWidgetItem();
1854       item->setData(0,Qt::UserRole,file.toStdString().c_str());
1855       item->setData(1,Qt::UserRole,tr("overlay"));
1856       QFileInfo fileinfo(file); //Do not show the path
1857       item->setData(COLUMN_IMAGE_NAME,Qt::DisplayRole,fileinfo.fileName());
1858       item->setToolTip(COLUMN_IMAGE_NAME, mSlicerManagers[index]->GetListOfAbsoluteFilePathInOneString("overlay").c_str());
1859       qApp->processEvents();
1860
1861       for (int j = 1; j <= 4; j++) {
1862         item->setData(j,Qt::CheckStateRole,DataTree->topLevelItem(index)->data(j,Qt::CheckStateRole));
1863       }
1864
1865       //Create the buttons for reload and close
1866       qApp->processEvents();
1867       QTreePushButton* cButton = new QTreePushButton;
1868       cButton->setItem(item);
1869       cButton->setColumn(COLUMN_CLOSE_IMAGE);
1870       cButton->setToolTip(tr("close image"));
1871       cButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/exit.png")));
1872       connect(cButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
1873           this,SLOT(CloseImage(QTreeWidgetItem*, int)));
1874
1875       QTreePushButton* rButton = new QTreePushButton;
1876       rButton->setItem(item);
1877       rButton->setColumn(COLUMN_RELOAD_IMAGE);
1878       rButton->setToolTip(tr("reload image"));
1879       rButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/rotateright.png")));
1880       connect(rButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
1881           this,SLOT(ReloadImage(QTreeWidgetItem*, int)));
1882
1883       DataTree->topLevelItem(index)->setExpanded(1);
1884       DataTree->topLevelItem(index)->addChild(item);
1885       DataTree->setItemWidget(item, COLUMN_CLOSE_IMAGE, cButton);
1886       DataTree->setItemWidget(item, COLUMN_RELOAD_IMAGE, rButton);
1887
1888       //set the id of the image
1889       QString id = DataTree->topLevelItem(index)->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString();
1890       item->setData(COLUMN_IMAGE_NAME,Qt::UserRole,id.toStdString().c_str());
1891       UpdateTree();
1892       qApp->processEvents();
1893       ImageInfoChanged();
1894       QApplication::restoreOverrideCursor();
1895     } else {
1896       QApplication::restoreOverrideCursor();
1897       QString error = "Cannot import the new image.\n";
1898       error += mSlicerManagers[index]->GetLastError().c_str();
1899       QMessageBox::information(this,tr("Problem reading image !"),error);
1900     }
1901     WindowLevelChanged();
1902   }
1903   else
1904     QMessageBox::information(this,tr("Problem reading Overlay !"),"File doesn't exist!");
1905 }
1906 //------------------------------------------------------------------------------
1907
1908
1909 //------------------------------------------------------------------------------
1910 void vvMainWindow::AddROI(int index, QString file)
1911 {
1912   /*
1913   // Get slice manager
1914
1915   // Load image
1916
1917   vvImageReader * mReader = new vvImageReader;
1918   mReader->SetInputFilename(filename.toStdString());
1919   mReader->Update(IMAGE);
1920   if (mReader->GetLastError().size() != 0) {
1921     std::cerr << "Error while reading " << filename.toStdString() << std::endl;
1922     QString error = "Cannot open file \n";
1923     error += mReader->GetLastError().c_str();
1924     QMessageBox::information(this,tr("Reading problem"),error);
1925     delete mReader;
1926     return;
1927   }
1928   vvImage::Pointer roi = mReader->GetOutput();
1929
1930   // Create roi in new tool
1931   vvToolStructureSetManager::AddImage(mCurrentSlicerManager, roi);
1932   */
1933 }
1934 //------------------------------------------------------------------------------
1935
1936 //------------------------------------------------------------------------------
1937 void vvMainWindow::SelectFusionImage()
1938 {
1939   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1940
1941   //check if one fusion image is added
1942   for (int child = 0; child < DataTree->topLevelItem(index)->childCount(); child++)
1943     if (DataTree->topLevelItem(index)->child(child)->data(1,Qt::UserRole).toString() == "fusion") {
1944       QString error = "Cannot add more than one fusion image\n";
1945       error += "Please remove first ";
1946       error += DataTree->topLevelItem(index)->child(child)->data(COLUMN_IMAGE_NAME,Qt::DisplayRole).toString();
1947       QMessageBox::information(this,tr("Problem adding fusion image !"),error);
1948       return;
1949     }
1950
1951   QString Extensions = EXTENSIONS;
1952   Extensions += ";;All Files (*)";
1953   QString file = QFileDialog::getOpenFileName(this,tr("Load Fusion image"),mInputPathName,Extensions);
1954   if (!file.isEmpty())
1955     AddFusionImage(index,file);
1956 }
1957 //------------------------------------------------------------------------------
1958
1959 //------------------------------------------------------------------------------
1960 void vvMainWindow::ResetTransformationToIdentity()
1961 {
1962   std::string actorType = DataTree->selectedItems()[0]->data(1,Qt::UserRole).toString().toStdString();
1963   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
1964   mSlicerManagers[index]->ResetTransformationToIdentity(actorType);
1965   ImageInfoChanged();
1966 }
1967 //------------------------------------------------------------------------------
1968
1969 //------------------------------------------------------------------------------
1970 void vvMainWindow::AddFusionImage(int index, QString file)
1971 {
1972   if (QFile::exists(file))
1973   {
1974     mInputPathName = itksys::SystemTools::GetFilenamePath(file.toStdString()).c_str();
1975     itk::ImageIOBase::Pointer reader = itk::ImageIOFactory::CreateImageIO(
1976         file.toStdString().c_str(), itk::ImageIOFactory::ReadMode);
1977     reader->SetFileName(file.toStdString().c_str());
1978     reader->ReadImageInformation();
1979     std::string component = reader->GetComponentTypeAsString(reader->GetComponentType());
1980     if (reader) {
1981       QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
1982       vvProgressDialog progress("Opening fusion");
1983       qApp->processEvents();
1984
1985       std::string filename = itksys::SystemTools::GetFilenameWithoutExtension(file.toStdString()).c_str();
1986       if (mSlicerManagers[index]->SetFusion(file.toStdString(),
1987             reader->GetNumberOfDimensions(), component)) {
1988         //create an item in the tree with good settings
1989         QTreeWidgetItem *item = new QTreeWidgetItem();
1990         item->setData(0,Qt::UserRole,file.toStdString().c_str());
1991         item->setData(1,Qt::UserRole,tr("fusion"));
1992         QFileInfo fileinfo(filename.c_str()); //Do not show the path
1993         item->setData(COLUMN_IMAGE_NAME,Qt::DisplayRole,fileinfo.fileName());
1994         item->setToolTip(COLUMN_IMAGE_NAME, mSlicerManagers[index]->GetListOfAbsoluteFilePathInOneString("fusion").c_str());
1995         qApp->processEvents();
1996
1997         for (int j = 1; j <= 4; j++) {
1998           item->setData(j,Qt::CheckStateRole,DataTree->topLevelItem(index)->data(j,Qt::CheckStateRole));
1999         }
2000
2001         //Create the buttons for reload and close
2002         qApp->processEvents();
2003         QTreePushButton* cButton = new QTreePushButton;
2004         cButton->setItem(item);
2005         cButton->setColumn(COLUMN_CLOSE_IMAGE);
2006         cButton->setToolTip(tr("close image"));
2007         cButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/exit.png")));
2008         connect(cButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
2009             this,SLOT(CloseImage(QTreeWidgetItem*, int)));
2010
2011         QTreePushButton* rButton = new QTreePushButton;
2012         rButton->setItem(item);
2013         rButton->setColumn(COLUMN_RELOAD_IMAGE);
2014         rButton->setToolTip(tr("reload image"));
2015         rButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/rotateright.png")));
2016         connect(rButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
2017             this,SLOT(ReloadImage(QTreeWidgetItem*, int)));
2018
2019         DataTree->topLevelItem(index)->setExpanded(1);
2020         DataTree->topLevelItem(index)->addChild(item);
2021         DataTree->setItemWidget(item, COLUMN_CLOSE_IMAGE, cButton);
2022         DataTree->setItemWidget(item, COLUMN_RELOAD_IMAGE, rButton);
2023
2024         //set the id of the image
2025         QString id = DataTree->topLevelItem(index)->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString();
2026         item->setData(COLUMN_IMAGE_NAME,Qt::UserRole,id.toStdString().c_str());
2027         UpdateTree();
2028         qApp->processEvents();
2029         ImageInfoChanged();
2030         QApplication::restoreOverrideCursor();
2031       } else {
2032         QApplication::restoreOverrideCursor();
2033         QString error = "Cannot import the new image.\n";
2034         error += mSlicerManagers[index]->GetLastError().c_str();
2035         QMessageBox::information(this,tr("Problem reading image !"),error);
2036       }
2037     } else {
2038       QString error = "Cannot import the new image.\n";
2039       QMessageBox::information(this,tr("Problem reading image !"),error);
2040     }
2041   }
2042   else
2043     QMessageBox::information(this,tr("Problem reading Fusion !"),"File doesn't exist!");
2044 }
2045 //------------------------------------------------------------------------------
2046
2047
2048 //------------------------------------------------------------------------------
2049 void vvMainWindow::OpenField()
2050 {
2051   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2052   //check if a vector field has already been added
2053   for (int child = 0; child < DataTree->topLevelItem(index)->childCount(); child++)
2054     if (DataTree->topLevelItem(index)->child(child)->data(1,Qt::UserRole).toString() == "vector") {
2055       QString error = "Cannot add more than one vector field\n";
2056       error += "Please remove first ";
2057       error += DataTree->topLevelItem(index)->child(child)->data(COLUMN_IMAGE_NAME,Qt::DisplayRole).toString();
2058       QMessageBox::information(this,tr("Problem adding vector field!"),error);
2059       return;
2060     }
2061
2062   QString Extensions = "Images ( *.mhd)";
2063   Extensions += ";;Images ( *.mha)";
2064   Extensions += ";;Images ( *.vf)";
2065   QString file = QFileDialog::getOpenFileName(this,tr("Load deformation field"),mInputPathName,Extensions);
2066   if (!file.isEmpty())
2067     AddField(file,index);
2068 }
2069 //------------------------------------------------------------------------------
2070
2071
2072 //------------------------------------------------------------------------------
2073 void vvMainWindow::AddFieldEntry(QString filename,int index,bool from_disk)
2074 {
2075   //create an item in the tree with good settings
2076   QTreeWidgetItem *item = new QTreeWidgetItem();
2077   item->setData(0,Qt::UserRole,filename.toStdString().c_str());
2078   item->setData(1,Qt::UserRole,tr("vector"));
2079   QFileInfo fileinfo(filename); //Do not show the path
2080   item->setData(COLUMN_IMAGE_NAME,Qt::DisplayRole,fileinfo.fileName());
2081   item->setToolTip(COLUMN_IMAGE_NAME, mSlicerManagers[index]->GetListOfAbsoluteFilePathInOneString("vector").c_str());
2082   qApp->processEvents();
2083
2084   for (int j = 1; j <= 4; j++) {
2085     item->setData(j,Qt::CheckStateRole,DataTree->topLevelItem(index)->data(j,Qt::CheckStateRole));
2086   }
2087
2088   //Create the buttons for reload and close
2089   qApp->processEvents();
2090   QTreePushButton* cButton = new QTreePushButton;
2091   cButton->setItem(item);
2092   cButton->setColumn(COLUMN_CLOSE_IMAGE);
2093   cButton->setToolTip(tr("close vector field"));
2094   cButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/exit.png")));
2095   connect(cButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
2096           this,SLOT(CloseImage(QTreeWidgetItem*, int)));
2097
2098   QTreePushButton* rButton = new QTreePushButton;
2099   rButton->setItem(item);
2100   rButton->setColumn(COLUMN_RELOAD_IMAGE);
2101   rButton->setToolTip(tr("reload vector field"));
2102   rButton->setEnabled(from_disk);
2103   rButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/rotateright.png")));
2104   connect(rButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
2105           this,SLOT(ReloadImage(QTreeWidgetItem*, int)));
2106
2107   DataTree->topLevelItem(index)->setExpanded(1);
2108   DataTree->topLevelItem(index)->addChild(item);
2109   DataTree->setItemWidget(item, COLUMN_RELOAD_IMAGE, rButton);
2110   DataTree->setItemWidget(item, COLUMN_CLOSE_IMAGE, cButton);
2111
2112   //set the id of the image
2113   QString id = DataTree->topLevelItem(index)->data(COLUMN_IMAGE_NAME,Qt::UserRole).toString();
2114   item->setData(COLUMN_IMAGE_NAME,Qt::UserRole,id.toStdString().c_str());
2115   UpdateTree();
2116   qApp->processEvents();
2117   ImageInfoChanged();
2118   QApplication::restoreOverrideCursor();
2119 }
2120 //------------------------------------------------------------------------------
2121
2122
2123 //------------------------------------------------------------------------------
2124 void vvMainWindow::AddField(vvImage::Pointer vf,QString file,int index)
2125 {
2126   QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
2127   vvSlicerManager* imageManager = mSlicerManagers[index];
2128   if (imageManager->SetVF(vf,file.toStdString())) {
2129     AddFieldEntry(file,index,false);
2130   } else {
2131     QString error = "Cannot import the vector field for this image.\n";
2132     error += imageManager->GetLastError().c_str();
2133     QMessageBox::information(this,tr("Problem reading VF !"),error);
2134   }
2135   QApplication::restoreOverrideCursor();
2136 }
2137 //------------------------------------------------------------------------------
2138
2139
2140 //------------------------------------------------------------------------------
2141 void vvMainWindow::AddField(QString file,int index)
2142 {
2143   if (QFile::exists(file)) {
2144     mInputPathName = itksys::SystemTools::GetFilenamePath(file.toStdString()).c_str();
2145
2146     //init the progress events
2147     QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
2148     vvProgressDialog progress("Opening " + file.toStdString());
2149     qApp->processEvents();
2150
2151     //read the vector and put it in the current mSlicerManager
2152     vvSlicerManager* imageManager = mSlicerManagers[index];
2153     qApp->processEvents();
2154
2155     std::string filename = itksys::SystemTools::GetFilenameWithoutExtension(file.toStdString()).c_str();
2156     if (imageManager->SetVF(file.toStdString())) {
2157       imageManager->Render();
2158       AddFieldEntry(file,index,true);
2159     } else {
2160       QApplication::restoreOverrideCursor();
2161       QString error = "Cannot import the vector field for this image.\n";
2162       error += imageManager->GetLastError().c_str();
2163       QMessageBox::information(this,tr("Problem reading VF !"),error);
2164     }
2165   } else
2166     QMessageBox::information(this,tr("Problem reading VF !"),"File doesn't exist!");
2167
2168 }
2169 //------------------------------------------------------------------------------
2170
2171
2172 //------------------------------------------------------------------------------
2173 void vvMainWindow::SetVFProperty(int subsampling, int scale, int log, int width, double r, double g, double b)
2174 {
2175   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2176   if (mSlicerManagers[index]->GetSlicer(0)->GetVF()) {
2177     for (int i = 0; i < 4; i++) {
2178       mSlicerManagers[index]->GetSlicer(i)->SetVFSubSampling(subsampling);
2179       mSlicerManagers[index]->GetSlicer(i)->SetVFScale(scale);
2180       mSlicerManagers[index]->GetSlicer(i)->SetVFWidth(width);
2181       mSlicerManagers[index]->GetSlicer(i)->SetVFColor(r,g,b);
2182       if (log > 0)
2183         mSlicerManagers[index]->GetSlicer(i)->SetVFLog(1);
2184       else
2185         mSlicerManagers[index]->GetSlicer(i)->SetVFLog(0);
2186     }
2187   }
2188 }
2189 //------------------------------------------------------------------------------
2190
2191
2192 //------------------------------------------------------------------------------
2193 void vvMainWindow::SetOverlayProperty(int color, int linked, double window, double level)
2194 {
2195   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2196   if (mSlicerManagers[index]->GetSlicer(0)->GetOverlay()) {
2197     mSlicerManagers[index]->SetOverlayColor(color);
2198     mSlicerManagers[index]->SetColorMap(0);
2199     mSlicerManagers[index]->SetLinkOverlayWindowLevel(linked);
2200     mSlicerManagers[index]->SetOverlayColorWindow(window);
2201     mSlicerManagers[index]->SetOverlayColorLevel(level);
2202     mSlicerManagers[index]->Render();
2203   }
2204 }
2205 //------------------------------------------------------------------------------
2206
2207 //------------------------------------------------------------------------------
2208 void vvMainWindow::SetFusionProperty(int opacity, int thresOpacity, int colormap,double window, double level)
2209 {
2210   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2211   if (mSlicerManagers[index]->GetSlicer(0)->GetFusion()) {
2212     mSlicerManagers[index]->SetFusionColorMap(colormap);
2213     mSlicerManagers[index]->SetFusionOpacity(opacity);
2214     mSlicerManagers[index]->SetFusionThresholdOpacity(thresOpacity);
2215     mSlicerManagers[index]->SetFusionWindow(window);
2216     mSlicerManagers[index]->SetFusionLevel(level);
2217     mSlicerManagers[index]->SetColorMap(0);
2218     mSlicerManagers[index]->Render();
2219   }
2220 }
2221 //------------------------------------------------------------------------------
2222
2223 //------------------------------------------------------------------------------
2224 void vvMainWindow::SaveAs()
2225 {
2226   if (DataTree->selectedItems()[0]->data(1,Qt::UserRole).toString() == "vector") {
2227     QMessageBox::warning(this,tr("Unsupported type"),tr("Sorry, saving a vector field is unsupported for the moment"));
2228     return;
2229   }
2230
2231   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2232   int dimension = mSlicerManagers[index]->GetDimension();
2233   QStringList OutputListeFormat;
2234   OutputListeFormat.clear();
2235   if (dimension == 1) {
2236     OutputListeFormat.push_back(".mhd");
2237     OutputListeFormat.push_back(".mha");
2238   }
2239   if (dimension == 2) {
2240     OutputListeFormat.push_back(".bmp");
2241     OutputListeFormat.push_back(".png");
2242     OutputListeFormat.push_back(".jpeg");
2243     OutputListeFormat.push_back(".tif");
2244     OutputListeFormat.push_back(".mhd");
2245     OutputListeFormat.push_back(".mha");
2246     OutputListeFormat.push_back(".hdr");
2247     OutputListeFormat.push_back(".vox");
2248   } else if (dimension == 3) {
2249     OutputListeFormat.push_back(".mhd");
2250     OutputListeFormat.push_back(".mha");
2251     OutputListeFormat.push_back(".hdr");
2252     OutputListeFormat.push_back(".vox");
2253   } else if (dimension == 4) {
2254     OutputListeFormat.push_back(".mhd");
2255     OutputListeFormat.push_back(".mha");
2256   }
2257   QString Extensions = "AllFiles(*.*)";
2258   for (int i = 0; i < OutputListeFormat.count(); i++) {
2259     Extensions += ";;Images ( *";
2260     Extensions += OutputListeFormat[i];
2261     Extensions += ")";
2262   }
2263   QString fileName = QFileDialog::getSaveFileName(this,
2264                      tr("Save As"),
2265                      mSlicerManagers[index]->GetFileName().c_str(),
2266                      Extensions);
2267   if (!fileName.isEmpty()) {
2268     std::string fileformat = itksys::SystemTools::GetFilenameLastExtension(fileName.toStdString());
2269     if (OutputListeFormat.contains(
2270           fileformat.c_str())) {
2271       QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
2272       std::string action = "Saving";
2273       vvProgressDialog progress("Saving "+fileName.toStdString());
2274       qApp->processEvents();
2275       vvImageWriter::Pointer writer = vvImageWriter::New();
2276       writer->SetOutputFileName(fileName.toStdString());
2277       writer->SetInput(mSlicerManagers[index]->GetImage());
2278       writer->Update();
2279       QApplication::restoreOverrideCursor();
2280       if (writer->GetLastError().size()) {
2281         QString error = "Saving did not succeed\n";
2282         error += writer->GetLastError().c_str();
2283         QMessageBox::information(this,tr("Saving Problem"),error);
2284         SaveAs();
2285       }
2286     } else {
2287       QString error = fileformat.c_str();
2288       if (error.isEmpty())
2289         error += "no file format specified !";
2290       else
2291         error += " format unknown !!!\n";
2292       QMessageBox::information(this,tr("Saving Problem"),error);
2293       SaveAs();
2294     }
2295   }
2296 }
2297 //------------------------------------------------------------------------------
2298
2299 //------------------------------------------------------------------------------
2300 void vvMainWindow::SaveCurrentState()
2301 {
2302   QString Extensions = "XML Files(*.xml)";
2303   QString fileName = QFileDialog::getSaveFileName(this,
2304                      tr("Save Current Window State"),
2305                      "",
2306                      Extensions);
2307
2308   SaveCurrentStateAs(fileName.toStdString());
2309 }
2310 //------------------------------------------------------------------------------
2311
2312 //------------------------------------------------------------------------------
2313 void vvMainWindow::SaveCurrentStateAs(const std::string& stateFile)
2314 {
2315   vvSaveState save_state;
2316   save_state.Run(this, stateFile);
2317
2318   std::cout << "void vvMainWindow::SaveCurrentState()" << std::endl;
2319 }
2320
2321 //------------------------------------------------------------------------------
2322 void vvMainWindow::ReadSavedState()
2323 {
2324   QString Extensions = "XML Files(*.xml)";
2325   QString fileName = QFileDialog::getOpenFileName(this,
2326                      tr("Load Window State"),
2327                      "",
2328                      Extensions);
2329
2330   ReadSavedStateFile(fileName.toStdString());
2331 }
2332 //------------------------------------------------------------------------------
2333
2334 //------------------------------------------------------------------------------
2335 void vvMainWindow::ReadSavedStateFile(const std::string& stateFile)
2336 {
2337   vvReadState read_state;
2338   read_state.Run(this, stateFile);
2339 }
2340 //------------------------------------------------------------------------------
2341
2342 //------------------------------------------------------------------------------
2343 void vvMainWindow::LinkAllImages()
2344 {
2345         linkPanel->linkAll();
2346 }
2347
2348 //------------------------------------------------------------------------------
2349 void vvMainWindow::AddLink(QString image1,QString image2)
2350 {
2351   unsigned int sm1 = 0;
2352   unsigned int sm2 = 0;
2353
2354   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
2355     if (image1.toStdString() == mSlicerManagers[i]->GetId()) {
2356       mSlicerManagers[i]->AddLink(image2.toStdString());
2357       sm1 = i;
2358     }
2359     if (image2.toStdString() == mSlicerManagers[i]->GetId()) {
2360       mSlicerManagers[i]->AddLink(image1.toStdString());
2361       sm2 = i;
2362     }
2363   }
2364
2365   if (linkPanel->isLinkAll())   {
2366     emit UpdateLinkedNavigation(mSlicerManagers[sm1]->GetId(), mSlicerManagers[mCurrentPickedImageIndex], mSlicerManagers[mCurrentPickedImageIndex]->GetSlicer(0));
2367     emit UpdateLinkedNavigation(mSlicerManagers[sm2]->GetId(), mSlicerManagers[mCurrentPickedImageIndex], mSlicerManagers[mCurrentPickedImageIndex]->GetSlicer(0));
2368   } else {
2369     emit UpdateLinkedNavigation(mSlicerManagers[sm2]->GetId(), mSlicerManagers[sm1], mSlicerManagers[sm1]->GetSlicer(0));
2370   }
2371 }
2372
2373 //------------------------------------------------------------------------------
2374
2375
2376 //------------------------------------------------------------------------------
2377 void vvMainWindow::RemoveLink(QString image1,QString image2)
2378 {
2379   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
2380     if (image1.toStdString() == mSlicerManagers[i]->GetId()) {
2381       mSlicerManagers[i]->RemoveLink(image2.toStdString());
2382     }
2383     if (image2.toStdString() == mSlicerManagers[i]->GetId()) {
2384       mSlicerManagers[i]->RemoveLink(image1.toStdString());
2385     }
2386   }
2387 }
2388 //------------------------------------------------------------------------------
2389
2390 //------------------------------------------------------------------------------
2391 void vvMainWindow::ChangeImageWithIndexOffset(vvSlicerManager *sm, int slicer, int offset)
2392 {
2393   if(mSlicerManagers.size()==1)
2394     return;
2395
2396   int index = 0;
2397   while(sm != mSlicerManagers[index])
2398     index++;
2399   index = (index+offset+mSlicerManagers.size()) % mSlicerManagers.size();
2400
2401   QTreeWidgetItem* item = GetItemFromSlicerManager(mSlicerManagers[index]);
2402   item->setData(slicer+1,Qt::CheckStateRole,2);         //change checkbox
2403   CurrentImageChanged(mSlicerManagers[index]->GetId()); //select new image
2404   DisplayChanged(item,slicer+1);
2405 }
2406 //------------------------------------------------------------------------------
2407
2408 void vvMainWindow::HorizontalSliderMoved(int value,int column, int slicer_index)
2409 {
2410   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
2411     if (DataTree->topLevelItem(i)->data(column,Qt::CheckStateRole).toInt() > 1) {
2412       for (int j = 0; j < 4; j++) {
2413         mSlicerManagers[i]->SetTSliceInSlicer(value,j);
2414         //if (mSlicerManagers[i]->GetSlicer(j)->GetImageActor()->GetVisibility())
2415         //UpdateTSlice(j,value);
2416       }
2417       mSlicerManagers[i]->GetSlicer(slicer_index)->Render();
2418       break;
2419     }
2420   }
2421 }
2422 //------------------------------------------------------------------------------
2423
2424
2425 //------------------------------------------------------------------------------
2426 void vvMainWindow::NOHorizontalSliderMoved()
2427 {
2428   // if (mCurrentTime == NOHorizontalSlider->value()) return;
2429   HorizontalSliderMoved(NOHorizontalSlider->value(),COLUMN_UL_VIEW,0);
2430 //  mCurrentTime = NOHorizontalSlider->value();
2431 }
2432 //------------------------------------------------------------------------------
2433
2434
2435 //------------------------------------------------------------------------------
2436 void vvMainWindow::NEHorizontalSliderMoved()
2437 {
2438   // if (mCurrentTime == NEHorizontalSlider->value()) return;
2439   HorizontalSliderMoved(NEHorizontalSlider->value(),COLUMN_UR_VIEW,1);
2440 //  mCurrentTime = NEHorizontalSlider->value();
2441 }
2442 //------------------------------------------------------------------------------
2443
2444
2445 //------------------------------------------------------------------------------
2446 void vvMainWindow::SOHorizontalSliderMoved()
2447 {
2448   // if (mCurrentTime == SOHorizontalSlider->value()) return;
2449   HorizontalSliderMoved(SOHorizontalSlider->value(),COLUMN_DL_VIEW,2);
2450   // mCurrentTime = SOHorizontalSlider->value();
2451 }
2452 //------------------------------------------------------------------------------
2453
2454
2455 //------------------------------------------------------------------------------
2456 void vvMainWindow::SEHorizontalSliderMoved()
2457 {
2458   // if (mCurrentTime == SEHorizontalSlider->value()) return;
2459   HorizontalSliderMoved(SEHorizontalSlider->value(),COLUMN_DR_VIEW,3);
2460   // mCurrentTime = SEHorizontalSlider->value();
2461 }
2462 //------------------------------------------------------------------------------
2463
2464 //------------------------------------------------------------------------------
2465 void vvMainWindow::NOVerticalSliderChanged()
2466 {
2467   static int value=-1;
2468   if (value == NOVerticalSlider->value()) return;
2469   else value = NOVerticalSlider->value();
2470   //  int value = NOVerticalSlider->value();
2471   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
2472     if (DataTree->topLevelItem(i)->data(COLUMN_UL_VIEW,Qt::CheckStateRole).toInt() > 1) {
2473       if (mSlicerManagers[i]->GetSlicer(0)->GetSlice() != value) {
2474         mSlicerManagers[i]->GetSlicer(0)->SetSlice(value);
2475         mSlicerManagers[i]->VerticalSliderHasChanged(0, value);
2476
2477         // If nor Update/Render -> slider not work
2478         // only render = ok navigation, but for contour Update needed but slower ?
2479
2480         mSlicerManagers[i]->UpdateSlice(0);  // <-- DS add this. Not too much update ? YES. but needed for ImageContour ...
2481         //mSlicerManagers[i]->GetSlicer(0)->Render(); // <-- DS add this, needed for contour, seems ok ? not too slow ?
2482       }
2483       break;
2484     }
2485   }
2486 }
2487 //------------------------------------------------------------------------------
2488
2489
2490 //------------------------------------------------------------------------------
2491 void vvMainWindow::NEVerticalSliderChanged()
2492 {
2493   static int value=-1;
2494   if (value == NEVerticalSlider->value()) return;
2495   else value = NEVerticalSlider->value();
2496   //  int value = NEVerticalSlider->value();
2497   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
2498     if (DataTree->topLevelItem(i)->data(COLUMN_UR_VIEW,Qt::CheckStateRole).toInt() > 1) {
2499       if (mSlicerManagers[i]->GetSlicer(1)->GetSlice() != value) {
2500         mSlicerManagers[i]->GetSlicer(1)->SetSlice(value);
2501         mSlicerManagers[i]->VerticalSliderHasChanged(1, value);
2502         mSlicerManagers[i]->UpdateSlice(1);
2503         //mSlicerManagers[i]->GetSlicer(1)->Render(); // <-- DS add this, needed for contour, seems ok ? not too slow ?
2504       }
2505       break;
2506     }
2507   }
2508 }
2509 //------------------------------------------------------------------------------
2510
2511
2512 //------------------------------------------------------------------------------
2513 void vvMainWindow::SOVerticalSliderChanged()
2514 {
2515   static int value=-1;
2516   if (value == SOVerticalSlider->value()) return;
2517   else value = SOVerticalSlider->value();
2518   //int value = SOVerticalSlider->value();
2519   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
2520     if (DataTree->topLevelItem(i)->data(COLUMN_DL_VIEW,Qt::CheckStateRole).toInt() > 1) {
2521       if (mSlicerManagers[i]->GetSlicer(2)->GetSlice() != value) {
2522         mSlicerManagers[i]->GetSlicer(2)->SetSlice(value);
2523         mSlicerManagers[i]->VerticalSliderHasChanged(2, value);
2524         mSlicerManagers[i]->UpdateSlice(2);
2525         //mSlicerManagers[i]->GetSlicer(2)->Render(); // <-- DS add this, needed for contour, seems ok ? not too slow ?
2526       }
2527       // else { DD("avoid SOVerticalSlider slicer update"); }
2528       break;
2529     }
2530   }
2531 }
2532 //------------------------------------------------------------------------------
2533
2534
2535 //------------------------------------------------------------------------------
2536 void vvMainWindow::SEVerticalSliderChanged()
2537 {
2538   static int value=-1;
2539   if (value == SEVerticalSlider->value()) return;
2540   else value = SEVerticalSlider->value();
2541   // int value = SEVerticalSlider->value();
2542   for (unsigned int i = 0; i < mSlicerManagers.size(); i++) {
2543     if (DataTree->topLevelItem(i)->data(COLUMN_DR_VIEW,Qt::CheckStateRole).toInt() > 1) {
2544       if (mSlicerManagers[i]->GetSlicer(3)->GetSlice() != value) {
2545         mSlicerManagers[i]->GetSlicer(3)->SetSlice(value);
2546         mSlicerManagers[i]->VerticalSliderHasChanged(3, value);
2547         mSlicerManagers[i]->UpdateSlice(3);
2548         //mSlicerManagers[i]->GetSlicer(3)->Render(); // <-- DS add this, needed for contour, seems ok ? not too slow ?
2549       }
2550       break;
2551     }
2552   }
2553 }
2554 //------------------------------------------------------------------------------
2555
2556
2557 //------------------------------------------------------------------------------
2558 void vvMainWindow::UpdateSlice(int slicer, int slice)
2559 {
2560   // DD("vvMainWindow::UpdateSlice");
2561 //   DD(slicer);
2562 //   DD(slice);
2563   if (slicer == 0) {
2564     //    if (slice != NOVerticalSlider->value())
2565     NOVerticalSlider->setValue(slice);
2566   } else {
2567     if (slicer == 1)
2568       NEVerticalSlider->setValue(slice);
2569     else {
2570       if (slicer == 2)
2571         SOVerticalSlider->setValue(slice);
2572       else {
2573         if (slicer == 3)
2574           SEVerticalSlider->setValue(slice);
2575       }
2576     }
2577   }
2578   // DD("vvMainWindow:UpdateSlice END");
2579 }
2580 //------------------------------------------------------------------------------
2581
2582
2583 //------------------------------------------------------------------------------
2584 void vvMainWindow::UpdateTSlice(int slicer, int slice)
2585 {
2586   switch (slicer) {
2587   case 0:
2588     NOHorizontalSlider->setValue(slice);
2589     break;
2590   case 1:
2591     NEHorizontalSlider->setValue(slice);
2592     break;
2593   case 2:
2594     SOHorizontalSlider->setValue(slice);
2595     break;
2596   case 3:
2597     SEHorizontalSlider->setValue(slice);
2598     break;
2599   }
2600 }
2601 //------------------------------------------------------------------------------
2602
2603
2604 //------------------------------------------------------------------------------
2605 void vvMainWindow::UpdateSliceRange(int slicer, int min, int max, int tmin, int tmax)
2606 {
2607   int position = int((min+max)/2);
2608   if (slicer == 0) {
2609     NOVerticalSlider->setValue(position);
2610     NOVerticalSlider->setRange(min,max);
2611     NOHorizontalSlider->setRange(tmin,tmax);
2612   } else if (slicer == 1) {
2613     NEVerticalSlider->setValue(position);
2614     NEVerticalSlider->setRange(min,max);
2615     NEHorizontalSlider->setRange(tmin,tmax);
2616   } else if (slicer == 2) {
2617     SOVerticalSlider->setValue(position);
2618     SOVerticalSlider->setRange(min,max);
2619     SOHorizontalSlider->setRange(tmin,tmax);
2620   } else if (slicer == 3) {
2621     SEVerticalSlider->setValue(position);
2622     SEVerticalSlider->setRange(min,max);
2623     SEHorizontalSlider->setRange(tmin,tmax);
2624   }
2625 }
2626 //------------------------------------------------------------------------------
2627
2628
2629 //------------------------------------------------------------------------------
2630 void vvMainWindow::SaveNOScreenshot()
2631 {
2632   SaveScreenshot(NOViewWidget);
2633 }
2634 //------------------------------------------------------------------------------
2635
2636
2637 //------------------------------------------------------------------------------
2638 void vvMainWindow::SaveNEScreenshot()
2639 {
2640   SaveScreenshot(NEViewWidget);
2641 }
2642 //------------------------------------------------------------------------------
2643
2644
2645 //------------------------------------------------------------------------------
2646 void vvMainWindow::SaveSOScreenshot()
2647 {
2648   SaveScreenshot(SOViewWidget);
2649 }
2650 //------------------------------------------------------------------------------
2651
2652
2653 //------------------------------------------------------------------------------
2654 void vvMainWindow::SaveSEScreenshot()
2655 {
2656   SaveScreenshot(SEViewWidget);
2657 }
2658 //------------------------------------------------------------------------------
2659
2660
2661 //------------------------------------------------------------------------------
2662 void vvMainWindow::SaveScreenshotAllSlices()
2663 {
2664   QVTKWidget *widget = NOViewWidget;
2665
2666   int index = 0;// GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2667   vvSlicerManager * SM = mSlicerManagers[index];
2668   vvImage * image = SM->GetImage();
2669   vvSlicer * slicer = SM->GetSlicer(0);
2670   int orientation = slicer->GetOrientation();
2671   int nbSlices = image->GetSize()[orientation];
2672   vtkSmartPointer<vtkRenderWindow>  renderWindow = widget->GetRenderWindow();
2673
2674   // Select filename base
2675   QString filename = QFileDialog::getSaveFileName(this,
2676                                                   tr("Save As (filename will be completed by slice number)"),
2677                                                   itksys::SystemTools::GetFilenamePath(mSlicerManagers[index]->GetFileName()).c_str(),
2678                                                   "Images( *.png);;Images( *.jpg)");
2679
2680   // Loop on slices
2681   for(int i=0; i<nbSlices; i++) {
2682     // Change the slice
2683     slicer->SetSlice(i); // -> change the slice of the current slicer
2684     SM->UpdateSlice(0); // --> this one emit UpdateSlice
2685     QCoreApplication::flush(); // -> needed to force display of contours
2686
2687     // Screenshot
2688     vtkSmartPointer<vtkWindowToImageFilter> windowToImageFilter = vtkSmartPointer<vtkWindowToImageFilter>::New();
2689     windowToImageFilter->SetInput(renderWindow);
2690     windowToImageFilter->SetMagnification(1);
2691     windowToImageFilter->SetInputBufferTypeToRGBA(); //also record the alpha (transparency) channel
2692     windowToImageFilter->Update();
2693
2694     vtkSmartPointer<vtkPNGWriter> writer = vtkSmartPointer<vtkPNGWriter>::New();
2695     std::string fn = itksys::SystemTools::GetFilenameWithoutLastExtension(filename.toStdString());
2696     std::string num = clitk::toString(i);
2697     if (i<10) num = "0"+num;
2698     if (i<100) num = "0"+num;
2699     if (i<1000) num = "0"+num;
2700
2701     fn = itksys::SystemTools::GetFilenamePath(filename.toStdString()) + "/"+ fn
2702       + "_" + num + itksys::SystemTools::GetFilenameLastExtension(filename.toStdString());
2703     writer->SetFileName(fn.c_str());
2704     writer->SetInput(windowToImageFilter->GetOutput());
2705     writer->Write();
2706   }
2707 }
2708 //------------------------------------------------------------------------------
2709
2710
2711 //------------------------------------------------------------------------------
2712 void vvMainWindow::SaveScreenshot(QVTKWidget *widget)
2713 {
2714   QString Extensions = "Images( *.png);;";
2715   Extensions += "Images( *.jpg);;";
2716   Extensions += "Images( *.bmp);;";
2717   Extensions += "Images( *.tif);;";
2718   Extensions += "Images( *.ppm)";
2719 #ifdef VTK_USE_FFMPEG_ENCODER
2720   Extensions += "Images( *.avi)";
2721 #endif
2722 #ifdef VTK_USE_MPEG2_ENCODER
2723   Extensions += "Images( *.mpg)";
2724 #endif
2725
2726   int smIndex=GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2727   QString fileName = QFileDialog::getSaveFileName(this,
2728                      tr("Save As"),
2729                      itksys::SystemTools::GetFilenamePath(mSlicerManagers[smIndex]->GetFileName()).c_str(),
2730                      Extensions);
2731
2732   if (!fileName.isEmpty()) {
2733     vtkSmartPointer<vtkWindowToImageFilter> w2i = vtkSmartPointer<vtkWindowToImageFilter>::New();
2734     w2i->SetInput(widget->GetRenderWindow());
2735     w2i->Update();
2736     vtkImageData *image = w2i->GetOutput();
2737
2738     const char *ext = fileName.toStdString().c_str() + strlen(fileName.toStdString().c_str()) - 4;
2739     if (!strcmp(ext, ".bmp")) {
2740       vtkBMPWriter *bmp = vtkBMPWriter::New();
2741       bmp->SetInput(image);
2742       bmp->SetFileName(fileName.toStdString().c_str());
2743       bmp->Write();
2744       bmp->Delete();
2745     } else if (!strcmp(ext, ".tif")) {
2746       vtkTIFFWriter *tif = vtkTIFFWriter::New();
2747       tif->SetInput(image);
2748       tif->SetFileName(fileName.toStdString().c_str());
2749       tif->Write();
2750       tif->Delete();
2751     } else if (!strcmp(ext, ".ppm")) {
2752       vtkPNMWriter *pnm = vtkPNMWriter::New();
2753       pnm->SetInput(image);
2754       pnm->SetFileName(fileName.toStdString().c_str());
2755       pnm->Write();
2756       pnm->Delete();
2757     } else if (!strcmp(ext, ".png")) {
2758       vtkPNGWriter *png = vtkPNGWriter::New();
2759       png->SetInput(image);
2760       png->SetFileName(fileName.toStdString().c_str());
2761       png->Write();
2762       png->Delete();
2763     } else if (!strcmp(ext, ".jpg")) {
2764       vtkJPEGWriter *jpg = vtkJPEGWriter::New();
2765       jpg->SetInput(image);
2766       jpg->SetFileName(fileName.toStdString().c_str());
2767       jpg->Write();
2768       jpg->Delete();
2769 #ifdef VTK_USE_FFMPEG_ENCODER
2770     } else if (!strcmp(ext, ".avi")) {
2771       vtkFFMPEGWriter *mpg = vtkFFMPEGWriter::New();
2772       mpg->SetInput(image);
2773       mpg->SetFileName(fileName.toStdString().c_str());
2774       mpg->SetQuality(2);
2775       mpg->SetRate(5);
2776       mpg->Start();
2777
2778       vvImage * vvImg = mSlicerManagers[smIndex]->GetImage();
2779       int nSlice = vvImg->GetVTKImages().size();
2780       for(int i=0; i<nSlice; i++) {
2781         mSlicerManagers[smIndex]->SetNextTSlice(0);
2782         vtkSmartPointer<vtkWindowToImageFilter> w2i = vtkSmartPointer<vtkWindowToImageFilter>::New();
2783         w2i->SetInput(widget->GetRenderWindow());
2784         w2i->Update();
2785         mpg->SetInput(w2i->GetOutput());
2786         mpg->Write();
2787       }
2788       mpg->End();
2789       mpg->Delete();
2790 #endif
2791 #ifdef VTK_USE_MPEG2_ENCODER
2792     } else if (!strcmp(ext, ".mpg")) {
2793       vtkMPEG2Writer *mpg = vtkMPEG2Writer::New();
2794       mpg->SetInput(image);
2795       mpg->SetFileName(fileName.toStdString().c_str());
2796       mpg->Start();
2797
2798       vvImage * vvImg = mSlicerManagers[smIndex]->GetImage();
2799       int nSlice = vvImg->GetVTKImages().size();
2800       for(int i=0; i<nSlice; i++) {
2801         mSlicerManagers[smIndex]->SetNextTSlice(0);
2802         vtkSmartPointer<vtkWindowToImageFilter> w2i = vtkSmartPointer<vtkWindowToImageFilter>::New();
2803         w2i->SetInput(widget->GetRenderWindow());
2804         w2i->Update();
2805         mpg->SetInput(w2i->GetOutput());
2806         mpg->Write();
2807       }
2808       mpg->End();
2809       mpg->Delete();
2810 #endif
2811     } else {
2812       QMessageBox::information(this,tr("Problem saving screenshot !"),tr("Cannot save image.\nPlease set a file extension !!!"));
2813     }
2814   }
2815 }
2816 //------------------------------------------------------------------------------
2817
2818
2819 //------------------------------------------------------------------------------
2820 void vvMainWindow::GoToCursor()
2821 {
2822   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2823   for (int column = 1; column < 5; column++) {
2824     if (DataTree->selectedItems()[0]->data(column,Qt::CheckStateRole).toInt() > 1) {
2825       double* cursorPos = mSlicerManagers[index]->GetSlicer(column-1)->GetCursorPosition();
2826       mSlicerManagers[index]->GetSlicer(column-1)->SetCurrentPosition(
2827         cursorPos[0],cursorPos[1],cursorPos[2],cursorPos[3]);
2828       mSlicerManagers[index]->UpdateViews(1,column-1);
2829       mSlicerManagers[index]->UpdateLinked(column-1);
2830       break;
2831     }
2832   }
2833 }
2834 //------------------------------------------------------------------------------
2835
2836 //------------------------------------------------------------------------------
2837 void vvMainWindow::PlayPause()
2838 {
2839   if (playMode) {
2840     playMode = 0;
2841     playButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/player_play.png")));
2842     ImageInfoChanged();
2843     return;
2844   } else {
2845     int image_number=DataTree->topLevelItemCount();
2846     bool has_temporal;
2847     for (int i=0; i<image_number; i++)
2848       if (mSlicerManagers[i]->GetImage()->GetVTKImages().size() > 1) {
2849         has_temporal=true;
2850         break;
2851       }
2852     if (has_temporal) {
2853       playMode = 1;
2854       playButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/player_pause.png")));
2855       QTimer::singleShot(1000/mFrameRate, this, SLOT(PlayNext()));
2856     }
2857   }
2858 }
2859 //------------------------------------------------------------------------------
2860
2861 //------------------------------------------------------------------------------
2862 void vvMainWindow::PlayNext()
2863 {
2864   if (playMode && !this->isHidden()) {
2865     int image_number=DataTree->topLevelItemCount();
2866     ///Only play one slicer per SM, and only if the SM is being displayed
2867     for (int i=0; i<image_number; i++)
2868       for (int j=0; j<4; j++)
2869         if (mSlicerManagers[i]->GetImage()->GetVTKImages().size() > 1 &&
2870             DataTree->topLevelItem(i)->data(j+1,Qt::CheckStateRole).toInt() > 0) {
2871           mSlicerManagers[i]->SetNextTSlice(j);
2872           break;
2873         }
2874     QTimer::singleShot(1000/mFrameRate, this, SLOT(PlayNext()));
2875   }
2876 }
2877 //------------------------------------------------------------------------------
2878
2879 void vvMainWindow::ShowLastImage()
2880 {
2881   if (mSlicerManagers.size() > 1) {
2882     QTreeWidgetItem * item=DataTree->topLevelItem(DataTree->topLevelItemCount()-1);
2883     CurrentImageChanged(mSlicerManagers.back()->GetId()); //select new image
2884     item->setData(1,Qt::CheckStateRole,2); //show the new image in the first panel
2885     DisplayChanged(item,1);
2886   }
2887 }
2888
2889 //------------------------------------------------------------------------------
2890 void vvMainWindow::UpdateRenderWindows()
2891 {
2892   if (NOViewWidget->GetRenderWindow()) NOViewWidget->GetRenderWindow()->Render();
2893   if (NEViewWidget->GetRenderWindow()) NEViewWidget->GetRenderWindow()->Render();
2894   if (SOViewWidget->GetRenderWindow()) SOViewWidget->GetRenderWindow()->Render();
2895   if (SEViewWidget->GetRenderWindow()) SEViewWidget->GetRenderWindow()->Render();
2896 }
2897 //------------------------------------------------------------------------------
2898
2899 //------------------------------------------------------------------------------
2900 void vvMainWindow::SegmentationOnCurrentImage()
2901 {
2902   int index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
2903
2904   vvSegmentationDialog segmentation;
2905   segmentation.SetImage(mSlicerManagers[index]->GetSlicer(0)->GetImage());
2906   segmentation.exec();
2907 }
2908 //------------------------------------------------------------------------------
2909
2910 void vvMainWindow::SurfaceViewerLaunch()
2911 {
2912   vvSurfaceViewerDialog surfaceViewer;
2913   surfaceViewer.exec();
2914 }
2915 //------------------------------------------------------------------------------
2916
2917
2918 //------------------------------------------------------------------------------
2919 int vvMainWindow::GetImageDuplicateFilenameNumber(std::string filename)
2920 {
2921   int number=0;
2922   for(unsigned int l=0; l<mSlicerManagers.size(); l++) {
2923     vvSlicerManager * v = mSlicerManagers[l];
2924     if (v->GetBaseFileName() ==
2925         vtksys::SystemTools::GetFilenameName(vtksys::SystemTools::GetFilenameWithoutLastExtension(filename))) {
2926       number = std::max(number, v->GetBaseFileNameNumber()+1);
2927     }
2928   }
2929   return number;
2930 }
2931 //------------------------------------------------------------------------------
2932
2933
2934 //------------------------------------------------------------------------------
2935 vvSlicerManager* vvMainWindow::AddImage(vvImage::Pointer image,std::string filename)
2936 {
2937   // Change filename if another image exist with the same name
2938   int number = GetImageDuplicateFilenameNumber(filename);
2939
2940   // Create new SliceManager
2941   vvSlicerManager* slicer_manager = new vvSlicerManager(4);
2942   slicer_manager->SetImage(image);//, IMAGE, number);
2943   //  filename = filename+"_"+clitk::toString(number);
2944   slicer_manager->SetFilename(filename, number);
2945   mSlicerManagers.push_back(slicer_manager);
2946
2947   //create an item in the tree with good settings
2948   QTreeWidgetItem *item = new QTreeWidgetItem();
2949   item->setData(0,Qt::UserRole,slicer_manager->GetFileName().c_str());//files[i].c_str());
2950   item->setData(1,Qt::UserRole,tr("image"));
2951   item->setData(COLUMN_IMAGE_NAME,Qt::DisplayRole,slicer_manager->GetFileName().c_str());//filename.c_str());
2952   qApp->processEvents();
2953
2954   for (int j = 1; j <= 4; j++) item->setData(j,Qt::CheckStateRole,1);
2955
2956   //Create the buttons for reload and close
2957   qApp->processEvents();
2958   QTreePushButton* cButton = new QTreePushButton;
2959   cButton->setItem(item);
2960   cButton->setColumn(COLUMN_CLOSE_IMAGE);
2961   cButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/exit.png")));
2962   connect(cButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
2963           this,SLOT(CloseImage(QTreeWidgetItem*, int)));
2964
2965   QTreePushButton* rButton = new QTreePushButton;
2966   rButton->setItem(item);
2967   rButton->setColumn(COLUMN_RELOAD_IMAGE);
2968   rButton->setIcon(QIcon(QString::fromUtf8(":/common/icons/rotateright.png")));
2969   rButton->setEnabled(0);
2970   connect(rButton,SIGNAL(clickedInto(QTreeWidgetItem*, int)),
2971           this,SLOT(ReloadImage(QTreeWidgetItem*, int)));
2972
2973   DataTree->addTopLevelItem(item);
2974   DataTree->setItemWidget(item, COLUMN_CLOSE_IMAGE, cButton);
2975   DataTree->setItemWidget(item, COLUMN_RELOAD_IMAGE, rButton);
2976
2977   //set the id of the image
2978   QString id = slicer_manager->GetFileName().c_str() + QString::number(mSlicerManagers.size()-1);
2979   item->setData(COLUMN_IMAGE_NAME,Qt::UserRole,id.toStdString().c_str());
2980   mSlicerManagers.back()->SetId(id.toStdString());
2981
2982   linkPanel->addImage(slicer_manager->GetFileName().c_str()// filename
2983                       , id.toStdString());
2984
2985   connect(mSlicerManagers.back(), SIGNAL(currentImageChanged(std::string)),
2986           this, SLOT(CurrentImageChanged(std::string)));
2987   connect(mSlicerManagers.back(), SIGNAL(currentPickedImageChanged(std::string)),
2988           this, SLOT(CurrentPickedImageChanged(std::string)));
2989   connect(mSlicerManagers.back(), SIGNAL(UpdatePosition(int, double, double, double, double, double, double, double)),
2990           this, SLOT(MousePositionChanged(int,double, double, double, double, double, double, double)));
2991   connect(mSlicerManagers.back(), SIGNAL(UpdateVector(int, double, double, double, double)),
2992           this, SLOT(VectorChanged(int,double,double,double, double)));
2993   connect(mSlicerManagers.back(), SIGNAL(UpdateOverlay(int, double, double)),
2994           this, SLOT(OverlayChanged(int,double,double)));
2995   connect(mSlicerManagers.back(), SIGNAL(UpdateFusion(int, double)),
2996           this, SLOT(FusionChanged(int,double)));
2997   connect(mSlicerManagers.back(), SIGNAL(WindowLevelChanged()),
2998           this,SLOT(WindowLevelChanged()));
2999   connect(mSlicerManagers.back(), SIGNAL(UpdateSlice(int,int)),
3000           this,SLOT(UpdateSlice(int,int)));
3001   connect(mSlicerManagers.back(), SIGNAL(UpdateTSlice(int, int)),
3002           this,SLOT(UpdateTSlice(int, int)));
3003   connect(mSlicerManagers.back(), SIGNAL(UpdateSliceRange(int,int,int,int,int)),
3004           this,SLOT(UpdateSliceRange(int,int,int,int,int)));
3005   connect(mSlicerManagers.back(), SIGNAL(UpdateLinkManager(std::string,int,double,double,double,int)),
3006           this,SLOT(UpdateLinkManager(std::string,int,double,double,double,int)));
3007   connect(mSlicerManagers.back(), SIGNAL(UpdateLinkedNavigation(std::string,vvSlicerManager*,vvSlicer*)),
3008           this,SLOT(UpdateLinkedNavigation(std::string,vvSlicerManager*,vvSlicer*)));
3009   connect(mSlicerManagers.back(), SIGNAL(ChangeImageWithIndexOffset(vvSlicerManager*,int,int)),
3010           this,SLOT(ChangeImageWithIndexOffset(vvSlicerManager*,int,int)));
3011   connect(mSlicerManagers.back(), SIGNAL(LandmarkAdded()),landmarksPanel,SLOT(AddPoint()));
3012   UpdateTree();
3013   qApp->processEvents();
3014   InitSlicers();
3015   ShowLastImage();
3016   InitDisplay();
3017   qApp->processEvents();
3018
3019   // End
3020   ImageInfoChanged();
3021   return slicer_manager;
3022 }
3023 //------------------------------------------------------------------------------
3024
3025
3026 //------------------------------------------------------------------------------
3027 void vvMainWindow::UpdateCurrentSlicer()
3028 {
3029   int index = -1;
3030   if (DataTree->selectedItems().size() > 0) {
3031     index = GetSlicerIndexFromItem(DataTree->selectedItems()[0]);
3032   }
3033   mSlicerManagerCurrentIndex = index;
3034 }
3035 //------------------------------------------------------------------------------
3036