lib/maracasVisuLib/src/interface/wxWindows/widgets/include/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 14:15:18 $
  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   //thanks
  83   pd->Delete();
  84   bboxMapper->Delete();
  85 }
  86
  87 //----------------------------------------------------------------------------
  88 vtkInteractorStyleCutter::~vtkInteractorStyleCutter()
  89 {
  90   this->Points->Delete();
  91   this->BboxActor->Delete();
  92   this->Lines->Delete();
  93   this->LoopPoints->Delete();
  94 }
  95
  96 //----------------------------------------------------------------------------
  97 void vtkInteractorStyleCutter::OnMouseMove()
  98 {
  99   if (!this->Interactor || !this->Moving)
 100     {
 101     return;
 102     }
 103
 104   this->CurrentPosition[0] = this->Interactor->GetEventPosition()[0];
 105   this->CurrentPosition[1] = this->Interactor->GetEventPosition()[1];
 106
 107   //mouse move event
 108   this->Points->SetPoint(this->PointID, this->CurrentPosition[0],
 109     this->CurrentPosition[1], 0);
 110
 111   this->Interactor->Render();
 112 }
 113
 114 //----------------------------------------------------------------------------
 115 void vtkInteractorStyleCutter::OnLeftButtonDown()
 116 {
 117   if (!this->Interactor)
 118     {
 119     return;
 120     }
 121
 122   this->CurrentPosition[0] = this->Interactor->GetEventPosition()[0];
 123   this->CurrentPosition[1] = this->Interactor->GetEventPosition()[1];
 124
 125   if(!this->Moving)
 126     {
 127     this->Initialize();
 128
 129     //Call this before accessing CurrentRenderer
 130     this->FindPokedRenderer(this->CurrentPosition[0], this->CurrentPosition[1]);
 131     this->CurrentRenderer->AddProp( BboxActor );
 132     }
 133
 134   this->Moving = 1;
 135
 136   this->Points->SetPoint(this->PointID, this->CurrentPosition[0],
 137     this->CurrentPosition[1], 0);
 138   this->PointID = this->Points->InsertNextPoint( this->CurrentPosition[0],
 139     this->CurrentPosition[1], 0);
 140
 141   this->Lines->InsertCellPoint( this->PointID );
 142   this->Lines->UpdateCellCount( this->PointID + 1 );
 143   this->BboxActor->VisibilityOn();
 144
 145   this->Interactor->Render();
 146 }
 147
 148 //----------------------------------------------------------------------------
 149 void vtkInteractorStyleCutter::OnRightButtonDown()
 150 {
 151   if (!this->Interactor || !this->Moving)
 152     {
 153     return;
 154     }
 155
 156   double xyz[3];
 157   this->Points->GetPoint( 0, xyz );
 158   this->Points->SetPoint(this->PointID, xyz);
 159
 160   //Save current state
 161   this->EndLoop();
 162
 163   this->Interactor->Render();
 164   this->Moving = 0;
 165 }
 166
 167 //----------------------------------------------------------------------------
 168 void vtkInteractorStyleCutter::Initialize()
 169 {
 170   this->Points->Reset();
 171   this->Lines->Reset();
 172
 173   this->PointID = this->Points->InsertNextPoint( 0, 0, 0);
 174   this->Lines->InsertNextCell( 1 );
 175   this->Lines->InsertCellPoint( 0 );
 176 }
 177 //----------------------------------------------------------------------------
 178 void vtkInteractorStyleCutter::EndLoop()
 179 {
 180   double pi[3],fpi[4];
 181   int numPts = this->Points->GetNumberOfPoints()-1;
 182   this->LoopPoints->SetNumberOfPoints( numPts );
 183   vtkCamera *camera = this->CurrentRenderer->GetActiveCamera();
 184   int state = camera->GetParallelProjection ();
 185   camera->ParallelProjectionOn();
 186
 187   for (int i=0; i < numPts; i++)
 188   {
 189     this->Points->GetPoint(i, pi);
 190     this->CurrentRenderer->SetDisplayPoint(pi[0], pi[1], 0);
 191     this->CurrentRenderer->DisplayToWorld();
 192
 193     this->CurrentRenderer->GetWorldPoint( fpi );
 194     if ( fpi[3] )
 195     {
 196       fpi[0] /= fpi[3];
 197       fpi[1] /= fpi[3];
 198       fpi[2] /= fpi[3];
 199     }
 200     this->LoopPoints->SetPoint( i, fpi[0], fpi[1], fpi[2] );
 201   }
 202
 203   //Set direction of extrusion, should save this state before camera moves
 204   camera->GetDirectionOfProjection( this->Direction );
 205   //camera->SetParallelProjection( state );
 206 }
 207 //----------------------------------------------------------------------------
 208 //Just a quick hack:
 209 void vtkInteractorStyleCutter::VisibilityOff()
 210 {
 211   this->BboxActor->VisibilityOff();
 212 }
 213 //----------------------------------------------------------------------------
 214 void vtkInteractorStyleCutter::PrintSelf(ostream& os, vtkIndent indent)
 215 {
 216   this->Superclass::PrintSelf(os, indent);
 217 }