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 vtkCxxRevisionMacro(vtkInteractorStyleCutter, "$Revision: 1.2 $");
  57 vtkStandardNewMacro(vtkInteractorStyleCutter);
  58
  59 //----------------------------------------------------------------------------
  60 vtkInteractorStyleCutter::vtkInteractorStyleCutter()
  61 {
  62   this->CurrentPosition[0] = this->CurrentPosition[1] = 0;
  63   this->Direction[0] = this->Direction[1] = this->Direction[2] = 0.;
  64   this->Moving = 0;
  65
  66   this->Points = vtkPoints::New();
  67   this->Lines = vtkCellArray::New();
  68   this->LoopPoints = vtkPoints::New();
  69
  70   vtkPolyData *pd = vtkPolyData::New();
  71   pd->SetPoints( Points );
  72   pd->SetLines( Lines );
  73
  74   vtkPolyDataMapper2D *bboxMapper = vtkPolyDataMapper2D::New();
  75   bboxMapper->SetInput( pd );
  76
  77   this->BboxActor = vtkActor2D::New();
  78   this->BboxActor->SetMapper( bboxMapper );
  79   this->BboxActor->GetProperty()->SetColor(1, 0, 0);
  80   this->BboxActor->VisibilityOff();
  81
  82   finished = false;
  83
  84   //thanks
  85   pd->Delete();
  86   bboxMapper->Delete();
  87 }
  88
  89 //----------------------------------------------------------------------------
  90 vtkInteractorStyleCutter::~vtkInteractorStyleCutter()
  91 {
  92   this->Points->Delete();
  93   this->BboxActor->Delete();
  94   this->Lines->Delete();
  95   this->LoopPoints->Delete();
  96 }
  97
  98 //----------------------------------------------------------------------------
  99 void vtkInteractorStyleCutter::OnMouseMove()
 100 {
 101   if (!this->Interactor || !this->Moving)
 102     {
 103     return;
 104     }
 105
 106   this->CurrentPosition[0] = this->Interactor->GetEventPosition()[0];
 107   this->CurrentPosition[1] = this->Interactor->GetEventPosition()[1];
 108
 109   //mouse move event
 110   this->Points->SetPoint(this->PointID, this->CurrentPosition[0],
 111     this->CurrentPosition[1], 0);
 112
 113   this->Interactor->Render();
 114 }
 115
 116 //----------------------------------------------------------------------------
 117 void vtkInteractorStyleCutter::OnLeftButtonDown()
 118 {
 119   if (!this->Interactor)
 120     {
 121     return;
 122     }
 123
 124         finished = false;
 125
 126   this->CurrentPosition[0] = this->Interactor->GetEventPosition()[0];
 127   this->CurrentPosition[1] = this->Interactor->GetEventPosition()[1];
 128
 129   if(!this->Moving)
 130     {
 131     this->Initialize();
 132
 133     //Call this before accessing CurrentRenderer
 134     this->FindPokedRenderer(this->CurrentPosition[0], this->CurrentPosition[1]);
 135         this->CurrentRenderer->AddViewProp(BboxActor);
 136     }
 137
 138   this->Moving = 1;
 139
 140   this->Points->SetPoint(this->PointID, this->CurrentPosition[0],
 141     this->CurrentPosition[1], 0);
 142   this->PointID = this->Points->InsertNextPoint( this->CurrentPosition[0],
 143     this->CurrentPosition[1], 0);
 144
 145   this->Lines->InsertCellPoint( this->PointID );
 146   this->Lines->UpdateCellCount( this->PointID + 1 );
 147   this->BboxActor->VisibilityOn();
 148
 149   this->Interactor->Render();
 150 }
 151
 152 //----------------------------------------------------------------------------
 153 bool vtkInteractorStyleCutter::Finished()
 154 {
 155     return finished;
 156 }
 157
 158 //----------------------------------------------------------------------------
 159 void vtkInteractorStyleCutter::OnRightButtonDown()
 160 {
 161   if (!this->Interactor || !this->Moving)
 162     {
 163     return;
 164     }
 165
 166   double xyz[3];
 167   this->Points->GetPoint( 0, xyz );
 168   this->Points->SetPoint(this->PointID, xyz);
 169
 170   //Save current state
 171   this->EndLoop();
 172
 173   this->Interactor->Render();
 174   this->Moving = 0;
 175   finished = true;
 176 }
 177
 178 //----------------------------------------------------------------------------
 179 void vtkInteractorStyleCutter::Initialize()
 180 {
 181   this->Points->Reset();
 182   this->Lines->Reset();
 183
 184   this->PointID = this->Points->InsertNextPoint( 0, 0, 0);
 185   this->Lines->InsertNextCell( 1 );
 186   this->Lines->InsertCellPoint( 0 );
 187 }
 188 //----------------------------------------------------------------------------
 189 void vtkInteractorStyleCutter::EndLoop()
 190 {
 191   double pi[3],fpi[4];
 192   int numPts = this->Points->GetNumberOfPoints()-1;
 193   this->LoopPoints->SetNumberOfPoints( numPts );
 194   vtkCamera *camera = this->CurrentRenderer->GetActiveCamera();
 195   //int state = camera->GetParallelProjection ();
 196   camera->ParallelProjectionOn();
 197
 198   for (int i=0; i < numPts; i++)
 199   {
 200     this->Points->GetPoint(i, pi);
 201     this->CurrentRenderer->SetDisplayPoint(pi[0], pi[1], 0);
 202     this->CurrentRenderer->DisplayToWorld();
 203
 204     this->CurrentRenderer->GetWorldPoint( fpi );
 205     if ( fpi[3] )
 206     {
 207       fpi[0] /= fpi[3];
 208       fpi[1] /= fpi[3];
 209       fpi[2] /= fpi[3];
 210     }
 211     this->LoopPoints->SetPoint( i, fpi[0], fpi[1], fpi[2] );
 212   }
 213
 214   //Set direction of extrusion, should save this state before camera moves
 215   camera->GetDirectionOfProjection( this->Direction );
 216   //camera->SetParallelProjection( state );
 217 }
 218 //----------------------------------------------------------------------------
 219 //Just a quick hack:
 220 void vtkInteractorStyleCutter::VisibilityOff()
 221 {
 222   this->BboxActor->VisibilityOff();
 223 }
 224 //----------------------------------------------------------------------------
 225 void vtkInteractorStyleCutter::PrintSelf(ostream& os, vtkIndent indent)
 226 {
 227   this->Superclass::PrintSelf(os, indent);
 228 }
 229
 230