src/OBJECT/VISU_ActorBase.cxx

   1 // Copyright (C) 2007-2012  CEA/DEN, EDF R&D, OPEN CASCADE
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 //  VISU OBJECT : interactive object for VISU entities implementation
  21 //  File   :
  22 //  Author :
  23 //  Module : VISU
  24 //  $Header$
  25 //
  26 #include "VISU_ActorBase.h"
  27 #include "VISU_ActorFactory.h"
  28 #include "VTKViewer_ShrinkFilter.h"
  29 #include "VTKViewer_Transform.h"
  30
  31 #include <vtkObjectFactory.h>
  32 #include <vtkProperty.h>
  33 #include <vtkPassThroughFilter.h>
  34 #include <vtkShrinkFilter.h>
  35 #include <vtkDataSet.h>
  36 #include <vtkShrinkPolyData.h>
  37 #include <vtkUnstructuredGrid.h>
  38
  39 #include "utilities.h"
  40
  41 #include <boost/bind.hpp>
  42
  43 VISU_ActorBase
  44 ::VISU_ActorBase() :
  45   myActorFactory(NULL),
  46   myShrinkFilter(VTKViewer_ShrinkFilter::New()),
  47   myIsShrinkable(true),
  48   myIsShrunk(false)
  49 {
  50   myShrinkFilter->Delete();
  51
  52   myStoreMapping = true;
  53
  54   myShrinkFilter->SetStoreMapping(true);
  55 }
  56
  57 VISU_ActorBase
  58 ::~VISU_ActorBase()
  59 {
  60   myUpdateActorsConnection.disconnect();
  61   myRemoveFromRendererConnection.disconnect();
  62 }
  63
  64 //----------------------------------------------------------------------------
  65 VISU::TActorFactory*
  66 VISU_ActorBase
  67 ::GetFactory()
  68 {
  69   return myActorFactory;
  70 }
  71
  72 void
  73 VISU_ActorBase
  74 ::SetFactory(VISU::TActorFactory* theActorFactory)
  75 {
  76   using namespace VISU;
  77
  78   if(myActorFactory == theActorFactory)
  79     return;
  80
  81   if(theActorFactory)
  82      myDestroySignal.connect(boost::bind(&TActorFactory::RemoveActor,
  83                                          theActorFactory,
  84                                          _1));
  85
  86   myActorFactory = theActorFactory;
  87 }
  88
  89 void
  90 VISU_ActorBase
  91 ::UpdateFromFactory()
  92 {
  93   if(myUpdateFromFactoryTime.GetMTime() < myActorFactory->GetMTime()){
  94     myUpdateFromFactoryTime.Modified();
  95     myActorFactory->UpdateActor(this);
  96     Update();
  97   }
  98 }
  99
 100 //----------------------------------------------------------------------------
 101 void
 102 VISU_ActorBase
 103 ::SetTransform(VTKViewer_Transform* theTransform)
 104 {
 105   Superclass::SetTransform( theTransform );
 106
 107   // Since the output of GetHighlightedDataSet() method (which is passed
 108   // through transform filter) is used for calculation of bounds of the
 109   // SALOME_Actor::myOutlineActor, we should remove transformation
 110   // from the outline actor applied in SALOME_Actor::SetTransform().
 111   // See issues IPAL22429, IPAL21936.
 112   VTKViewer_Transform* aTransform = VTKViewer_Transform::New();
 113   myOutlineActor->SetTransform( aTransform );
 114   aTransform->Delete();
 115 }
 116
 117 //--------------------------------------------------------------------------
 118
 119 void
 120 VISU_ActorBase
 121 ::SetLineWidth(vtkFloatingPointType theLineWidth)
 122 {
 123   GetProperty()->SetLineWidth(theLineWidth);
 124 }
 125
 126 vtkFloatingPointType
 127 VISU_ActorBase
 128 ::GetLineWidth()
 129 {
 130   return GetProperty()->GetLineWidth();
 131 }
 132
 133 //--------------------------------------------------------------------------
 134 void
 135 VISU_ActorBase
 136 ::SetRepresentation(int theMode)
 137 {
 138   Superclass::SetRepresentation(theMode);
 139   if(myRepresentation == VTK_POINTS)
 140     UnShrink();
 141 }
 142
 143 //----------------------------------------------------------------------------
 144 void VISU_ActorBase::SetShrink()
 145 {
 146   if(!myIsShrinkable)
 147     return;
 148   if(vtkDataSet* aDataSet = myPassFilter[0]->GetOutput()){
 149     myShrinkFilter->SetInput(aDataSet);
 150     myPassFilter[1]->SetInput(myShrinkFilter->GetOutput());
 151     myIsShrunk = true;
 152   }
 153 }
 154
 155 void VISU_ActorBase::UnShrink()
 156 {
 157   if(!myIsShrunk)
 158     return;
 159   if(vtkDataSet* aDataSet = myPassFilter[0]->GetOutput()){
 160     myPassFilter[1]->SetInput(aDataSet);
 161     myPassFilter[1]->Modified();
 162     myIsShrunk = false;
 163     Modified();
 164   }
 165 }
 166
 167 bool VISU_ActorBase::IsShrunk()
 168 {
 169   return myIsShrunk;
 170 }
 171
 172 void VISU_ActorBase::SetShrinkable(bool theIsShrinkable)
 173 {
 174   myIsShrinkable = theIsShrinkable;
 175 }
 176
 177 bool VISU_ActorBase::IsShrunkable()
 178 {
 179   return myIsShrinkable;
 180 }
 181
 182 void
 183 VISU_ActorBase
 184 ::SetShrinkFactor(vtkFloatingPointType theValue)
 185 {
 186   myShrinkFilter->SetShrinkFactor(theValue);
 187   Modified();
 188 }
 189
 190 vtkFloatingPointType
 191 VISU_ActorBase
 192 ::GetShrinkFactor()
 193 {
 194   return myShrinkFilter->GetShrinkFactor();
 195 }
 196
 197
 198 //--------------------------------------------------------------------------------------
 199
 200 void VISU_ActorBase::RemoveFromRender(vtkRenderer* theRenderer)
 201 {
 202   Superclass::RemoveFromRender(theRenderer);
 203 }
 204
 205 void VISU_ActorBase::RemoveFromRender()
 206 {
 207   RemoveFromRender(GetRenderer());
 208 }
 209
 210 void VISU_ActorBase::ConnectToFactory(boost::signal0<void>& theUpdateActorSignal, boost::signal0<void>& theRemoveFromRendererSignal)
 211 {
 212   myUpdateActorsConnection = theUpdateActorSignal.connect(boost::bind(&VISU_ActorBase::UpdateFromFactory,this));
 213   myRemoveFromRendererConnection = theRemoveFromRendererSignal.connect(boost::bind(&VISU_ActorBase::RemoveFromRender,this));
 214 }
 215
 216 //--------------------------------------------------------------------------------------
 217 vtkDataSet* VISU_ActorBase::GetHighlightedDataSet() {
 218   return myPassFilter.back()->GetOutput();
 219 }