src/OBJECT/VISU_ActorBase.cxx

   1 //  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
   2 //
   3 //  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   4 //  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
   5 //
   6 //  This library is free software; you can redistribute it and/or
   7 //  modify it under the terms of the GNU Lesser General Public
   8 //  License as published by the Free Software Foundation; either
   9 //  version 2.1 of the License.
  10 //
  11 //  This library is distributed in the hope that it will be useful,
  12 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 //  Lesser General Public License for more details.
  15 //
  16 //  You should have received a copy of the GNU Lesser General Public
  17 //  License along with this library; if not, write to the Free Software
  18 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 //
  20 //  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  21 //
  22 //  VISU OBJECT : interactive object for VISU entities implementation
  23 //  File   :
  24 //  Author :
  25 //  Module : VISU
  26 //  $Header$
  27 //
  28 #include "VISU_ActorBase.h"
  29 #include "VISU_ActorFactory.h"
  30 #include "VTKViewer_ShrinkFilter.h"
  31
  32 #include <vtkObjectFactory.h>
  33 #include <vtkProperty.h>
  34 #include <vtkPassThroughFilter.h>
  35 #include <vtkShrinkFilter.h>
  36 #include <vtkDataSet.h>
  37 #include <vtkShrinkPolyData.h>
  38 #include <vtkUnstructuredGrid.h>
  39
  40 #include "utilities.h"
  41
  42 #include <boost/bind.hpp>
  43
  44 VISU_ActorBase
  45 ::VISU_ActorBase() :
  46   myActorFactory(NULL),
  47   myShrinkFilter(VTKViewer_ShrinkFilter::New()),
  48   myIsShrinkable(true),
  49   myIsShrunk(false)
  50 {
  51   myShrinkFilter->Delete();
  52
  53   myStoreMapping = true;
  54
  55   myShrinkFilter->SetStoreMapping(true);
  56 }
  57
  58 VISU_ActorBase
  59 ::~VISU_ActorBase()
  60 {
  61   myUpdateActorsConnection.disconnect();
  62   myRemoveFromRendererConnection.disconnect();
  63 }
  64
  65 //----------------------------------------------------------------------------
  66 VISU::TActorFactory*
  67 VISU_ActorBase
  68 ::GetFactory()
  69 {
  70   return myActorFactory;
  71 }
  72
  73 void
  74 VISU_ActorBase
  75 ::SetFactory(VISU::TActorFactory* theActorFactory)
  76 {
  77   using namespace VISU;
  78
  79   if(myActorFactory == theActorFactory)
  80     return;
  81
  82   if(theActorFactory)
  83      myDestroySignal.connect(boost::bind(&TActorFactory::RemoveActor,
  84                                          theActorFactory,
  85                                          _1));
  86
  87   myActorFactory = theActorFactory;
  88 }
  89
  90 void
  91 VISU_ActorBase
  92 ::UpdateFromFactory()
  93 {
  94   if(myUpdateFromFactoryTime.GetMTime() < myActorFactory->GetMTime()){
  95     myUpdateFromFactoryTime.Modified();
  96     myActorFactory->UpdateActor(this);
  97     Update();
  98   }
  99 }
 100
 101 //--------------------------------------------------------------------------
 102
 103 void
 104 VISU_ActorBase
 105 ::SetLineWidth(vtkFloatingPointType theLineWidth)
 106 {
 107   GetProperty()->SetLineWidth(theLineWidth);
 108 }
 109
 110 vtkFloatingPointType
 111 VISU_ActorBase
 112 ::GetLineWidth()
 113 {
 114   return GetProperty()->GetLineWidth();
 115 }
 116
 117 //--------------------------------------------------------------------------
 118 void
 119 VISU_ActorBase
 120 ::SetRepresentation(int theMode)
 121 {
 122   Superclass::SetRepresentation(theMode);
 123   if(myRepresentation == VTK_POINTS)
 124     UnShrink();
 125 }
 126
 127 //----------------------------------------------------------------------------
 128 void VISU_ActorBase::SetShrink()
 129 {
 130   if(!myIsShrinkable)
 131     return;
 132   if(vtkDataSet* aDataSet = myPassFilter[0]->GetOutput()){
 133     myShrinkFilter->SetInput(aDataSet);
 134     myPassFilter[1]->SetInput(myShrinkFilter->GetOutput());
 135     myIsShrunk = true;
 136   }
 137 }
 138
 139 void VISU_ActorBase::UnShrink()
 140 {
 141   if(!myIsShrunk)
 142     return;
 143   if(vtkDataSet* aDataSet = myPassFilter[0]->GetOutput()){
 144     myPassFilter[1]->SetInput(aDataSet);
 145     myPassFilter[1]->Modified();
 146     myIsShrunk = false;
 147     Modified();
 148   }
 149 }
 150
 151 bool VISU_ActorBase::IsShrunk()
 152 {
 153   return myIsShrunk;
 154 }
 155
 156 void VISU_ActorBase::SetShrinkable(bool theIsShrinkable)
 157 {
 158   myIsShrinkable = theIsShrinkable;
 159 }
 160
 161 bool VISU_ActorBase::IsShrunkable()
 162 {
 163   return myIsShrinkable;
 164 }
 165
 166 //--------------------------------------------------------------------------------------
 167
 168 void VISU_ActorBase::RemoveFromRender(vtkRenderer* theRenderer)
 169 {
 170   Superclass::RemoveFromRender(theRenderer);
 171 }
 172
 173 void VISU_ActorBase::RemoveFromRender()
 174 {
 175   RemoveFromRender(GetRenderer());
 176 }
 177
 178 void VISU_ActorBase::ConnectToFactory(boost::signal0<void>& theUpdateActorSignal, boost::signal0<void>& theRemoveFromRendererSignal)
 179 {
 180   myUpdateActorsConnection = theUpdateActorSignal.connect(boost::bind(&VISU_ActorBase::UpdateFromFactory,this));
 181   myRemoveFromRendererConnection = theRemoveFromRendererSignal.connect(boost::bind(&VISU_ActorBase::RemoveFromRender,this));
 182 }