lib/maracasVisuLib/src/CutModule/interface/vtkInteractorStyleCutter.cxx

   1 /*# ---------------------------------------------------------------------
   2 #
   3 # Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image
   4 #                        pour la Sant�)
   5 # Authors : Eduardo Davila, Frederic Cervenansky, Claire Mouton
   6 # Previous Authors : Laurent Guigues, Jean-Pierre Roux
   7 # CreaTools website : www.creatis.insa-lyon.fr/site/fr/creatools_accueil
   8 #
   9 #  This software is governed by the CeCILL-B license under French law and
  10 #  abiding by the rules of distribution of free software. You can  use,
  11 #  modify and/ or redistribute the software under the terms of the CeCILL-B
  12 #  license as circulated by CEA, CNRS and INRIA at the following URL
  13 #  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
  14 #  or in the file LICENSE.txt.
  15 #
  16 #  As a counterpart to the access to the source code and  rights to copy,
  17 #  modify and redistribute granted by the license, users are provided only
  18 #  with a limited warranty  and the software's author,  the holder of the
  19 #  economic rights,  and the successive licensors  have only  limited
  20 #  liability.
  21 #
  22 #  The fact that you are presently reading this means that you have had
  23 #  knowledge of the CeCILL-B license and that you accept its terms.
  24 # ------------------------------------------------------------------------ */
  25
  26 /*=========================================================================
  27
  28   Program:   Visualization Toolkit
  29   Module:    $RCSfile: vtkInteractorStyleCutter.cxx,v $
  30   Language:  C++
  31   Date:      $Date: 2012/11/15 14:16:20 $
  32   Version:   $Revision: 1.2 $
  33
  34   Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen
  35   All rights reserved.
  36   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
  37
  38      This software is distributed WITHOUT ANY WARRANTY; without even
  39      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  40      PURPOSE.  See the above copyright notice for more information.
  41
  42 =========================================================================*/
  43 #include "vtkInteractorStyleCutter.h"
  44
  45 #include <vtkPoints.h>
  46 #include <vtkActor2D.h>
  47 #include <vtkObjectFactory.h>
  48 #include <vtkRenderer.h>
  49 #include <vtkRenderWindowInteractor.h>
  50 #include <vtkCellArray.h>
  51 #include <vtkPolyData.h>
  52 #include <vtkPolyDataMapper2D.h>
  53 #include <vtkProperty2D.h>
  54 #include <vtkCamera.h>
  55
  56 //EED 2017-01-01 Migration VTK7
  57 #if VTK_MAJOR_VERSION <= 5
  58 vtkCxxRevisionMacro(vtkInteractorStyleCutter, "$Revision: 1.2 $");
  59 #else
  60 // ..
  61 #endif
  62 vtkStandardNewMacro(vtkInteractorStyleCutter);
  63
  64 //----------------------------------------------------------------------------
  65 vtkInteractorStyleCutter::vtkInteractorStyleCutter()
  66 {
  67   this->CurrentPosition[0] = this->CurrentPosition[1] = 0;
  68   this->Direction[0] = this->Direction[1] = this->Direction[2] = 0.;
  69   this->Moving = 0;
  70
  71   this->Points = vtkPoints::New();
  72   this->Lines = vtkCellArray::New();
  73   this->LoopPoints = vtkPoints::New();
  74
  75   vtkPolyData *pd = vtkPolyData::New();
  76   pd->SetPoints( Points );
  77   pd->SetLines( Lines );
  78
  79   vtkPolyDataMapper2D *bboxMapper = vtkPolyDataMapper2D::New();
  80 //EED 2017-01-01 Migration VTK7
  81 #if VTK_MAJOR_VERSION <= 5
  82   bboxMapper->SetInput( pd );
  83 #else
  84   bboxMapper->SetInputData( pd );
  85 #endif
  86
  87   this->BboxActor = vtkActor2D::New();
  88   this->BboxActor->SetMapper( bboxMapper );
  89   this->BboxActor->GetProperty()->SetColor(1, 0, 0);
  90   this->BboxActor->VisibilityOff();
  91
  92   finished = false;
  93
  94   //thanks
  95   pd->Delete();
  96   bboxMapper->Delete();
  97 }
  98
  99 //----------------------------------------------------------------------------
 100 vtkInteractorStyleCutter::~vtkInteractorStyleCutter()
 101 {
 102   this->Points->Delete();
 103   this->BboxActor->Delete();
 104   this->Lines->Delete();
 105   this->LoopPoints->Delete();
 106 }
 107
 108 //----------------------------------------------------------------------------
 109 void vtkInteractorStyleCutter::OnMouseMove()
 110 {
 111   if (!this->Interactor || !this->Moving)
 112     {
 113     return;
 114     }
 115
 116   this->CurrentPosition[0] = this->Interactor->GetEventPosition()[0];
 117   this->CurrentPosition[1] = this->Interactor->GetEventPosition()[1];
 118
 119   //mouse move event
 120   this->Points->SetPoint(this->PointID, this->CurrentPosition[0],
 121     this->CurrentPosition[1], 0);
 122
 123   this->Interactor->Render();
 124 }
 125
 126 //----------------------------------------------------------------------------
 127 void vtkInteractorStyleCutter::OnLeftButtonDown()
 128 {
 129   if (!this->Interactor)
 130     {
 131     return;
 132     }
 133
 134         finished = false;
 135
 136   this->CurrentPosition[0] = this->Interactor->GetEventPosition()[0];
 137   this->CurrentPosition[1] = this->Interactor->GetEventPosition()[1];
 138
 139   if(!this->Moving)
 140     {
 141     this->Initialize();
 142
 143     //Call this before accessing CurrentRenderer
 144     this->FindPokedRenderer(this->CurrentPosition[0], this->CurrentPosition[1]);
 145         this->CurrentRenderer->AddViewProp(BboxActor);
 146     }
 147
 148   this->Moving = 1;
 149
 150   this->Points->SetPoint(this->PointID, this->CurrentPosition[0],
 151     this->CurrentPosition[1], 0);
 152   this->PointID = this->Points->InsertNextPoint( this->CurrentPosition[0],
 153     this->CurrentPosition[1], 0);
 154
 155   this->Lines->InsertCellPoint( this->PointID );
 156   this->Lines->UpdateCellCount( this->PointID + 1 );
 157   this->BboxActor->VisibilityOn();
 158
 159   this->Interactor->Render();
 160 }
 161
 162 //----------------------------------------------------------------------------
 163 bool vtkInteractorStyleCutter::Finished()
 164 {
 165     return finished;
 166 }
 167
 168 //----------------------------------------------------------------------------
 169 void vtkInteractorStyleCutter::OnRightButtonDown()
 170 {
 171   if (!this->Interactor || !this->Moving)
 172     {
 173     return;
 174     }
 175
 176   double xyz[3];
 177   this->Points->GetPoint( 0, xyz );
 178   this->Points->SetPoint(this->PointID, xyz);
 179
 180   //Save current state
 181   this->EndLoop();
 182
 183   this->Interactor->Render();
 184   this->Moving = 0;
 185   finished = true;
 186 }
 187
 188 //----------------------------------------------------------------------------
 189 void vtkInteractorStyleCutter::Initialize()
 190 {
 191   this->Points->Reset();
 192   this->Lines->Reset();
 193
 194   this->PointID = this->Points->InsertNextPoint( 0, 0, 0);
 195   this->Lines->InsertNextCell( 1 );
 196   this->Lines->InsertCellPoint( 0 );
 197 }
 198 //----------------------------------------------------------------------------
 199 void vtkInteractorStyleCutter::EndLoop()
 200 {
 201   double pi[3],fpi[4];
 202   int numPts = this->Points->GetNumberOfPoints()-1;
 203   this->LoopPoints->SetNumberOfPoints( numPts );
 204   vtkCamera *camera = this->CurrentRenderer->GetActiveCamera();
 205   //int state = camera->GetParallelProjection ();
 206   camera->ParallelProjectionOn();
 207
 208   for (int i=0; i < numPts; i++)
 209   {
 210     this->Points->GetPoint(i, pi);
 211     this->CurrentRenderer->SetDisplayPoint(pi[0], pi[1], 0);
 212     this->CurrentRenderer->DisplayToWorld();
 213
 214     this->CurrentRenderer->GetWorldPoint( fpi );
 215     if ( fpi[3] )
 216     {
 217       fpi[0] /= fpi[3];
 218       fpi[1] /= fpi[3];
 219       fpi[2] /= fpi[3];
 220     }
 221     this->LoopPoints->SetPoint( i, fpi[0], fpi[1], fpi[2] );
 222   }
 223
 224   //Set direction of extrusion, should save this state before camera moves
 225   camera->GetDirectionOfProjection( this->Direction );
 226   //camera->SetParallelProjection( state );
 227 }
 228 //----------------------------------------------------------------------------
 229 //Just a quick hack:
 230 void vtkInteractorStyleCutter::VisibilityOff()
 231 {
 232   this->BboxActor->VisibilityOff();
 233 }
 234 //----------------------------------------------------------------------------
 235 void vtkInteractorStyleCutter::PrintSelf(ostream& os, vtkIndent indent)
 236 {
 237   this->Superclass::PrintSelf(os, indent);
 238 }
 239
 240