src/OBJECT/VISU_ActorBase.cxx

   1 //  Copyright (C) 2007-2010  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
  30 #include <vtkObjectFactory.h>
  31 #include <vtkProperty.h>
  32 #include <vtkPassThroughFilter.h>
  33 #include <vtkShrinkFilter.h>
  34 #include <vtkDataSet.h>
  35 #include <vtkShrinkPolyData.h>
  36 #include <vtkUnstructuredGrid.h>
  37
  38 #include "utilities.h"
  39
  40 #include <boost/bind.hpp>
  41
  42 VISU_ActorBase
  43 ::VISU_ActorBase() :
  44   myActorFactory(NULL),
  45   myShrinkFilter(VTKViewer_ShrinkFilter::New()),
  46   myIsShrinkable(true),
  47   myIsShrunk(false)
  48 {
  49   myShrinkFilter->Delete();
  50
  51   myStoreMapping = true;
  52
  53   myShrinkFilter->SetStoreMapping(true);
  54 }
  55
  56 VISU_ActorBase
  57 ::~VISU_ActorBase()
  58 {
  59   myUpdateActorsConnection.disconnect();
  60   myRemoveFromRendererConnection.disconnect();
  61 }
  62
  63 //----------------------------------------------------------------------------
  64 VISU::TActorFactory*
  65 VISU_ActorBase
  66 ::GetFactory()
  67 {
  68   return myActorFactory;
  69 }
  70
  71 void
  72 VISU_ActorBase
  73 ::SetFactory(VISU::TActorFactory* theActorFactory)
  74 {
  75   using namespace VISU;
  76
  77   if(myActorFactory == theActorFactory)
  78     return;
  79
  80   if(theActorFactory)
  81      myDestroySignal.connect(boost::bind(&TActorFactory::RemoveActor,
  82                                          theActorFactory,
  83                                          _1));
  84
  85   myActorFactory = theActorFactory;
  86 }
  87
  88 void
  89 VISU_ActorBase
  90 ::UpdateFromFactory()
  91 {
  92   if(myUpdateFromFactoryTime.GetMTime() < myActorFactory->GetMTime()){
  93     myUpdateFromFactoryTime.Modified();
  94     myActorFactory->UpdateActor(this);
  95     Update();
  96   }
  97 }
  98
  99 //--------------------------------------------------------------------------
 100
 101 void
 102 VISU_ActorBase
 103 ::SetLineWidth(vtkFloatingPointType theLineWidth)
 104 {
 105   GetProperty()->SetLineWidth(theLineWidth);
 106 }
 107
 108 vtkFloatingPointType
 109 VISU_ActorBase
 110 ::GetLineWidth()
 111 {
 112   return GetProperty()->GetLineWidth();
 113 }
 114
 115 //--------------------------------------------------------------------------
 116 void
 117 VISU_ActorBase
 118 ::SetRepresentation(int theMode)
 119 {
 120   Superclass::SetRepresentation(theMode);
 121   if(myRepresentation == VTK_POINTS)
 122     UnShrink();
 123 }
 124
 125 //----------------------------------------------------------------------------
 126 void VISU_ActorBase::SetShrink()
 127 {
 128   if(!myIsShrinkable)
 129     return;
 130   if(vtkDataSet* aDataSet = myPassFilter[0]->GetOutput()){
 131     myShrinkFilter->SetInput(aDataSet);
 132     myPassFilter[1]->SetInput(myShrinkFilter->GetOutput());
 133     myIsShrunk = true;
 134   }
 135 }
 136
 137 void VISU_ActorBase::UnShrink()
 138 {
 139   if(!myIsShrunk)
 140     return;
 141   if(vtkDataSet* aDataSet = myPassFilter[0]->GetOutput()){
 142     myPassFilter[1]->SetInput(aDataSet);
 143     myPassFilter[1]->Modified();
 144     myIsShrunk = false;
 145     Modified();
 146   }
 147 }
 148
 149 bool VISU_ActorBase::IsShrunk()
 150 {
 151   return myIsShrunk;
 152 }
 153
 154 void VISU_ActorBase::SetShrinkable(bool theIsShrinkable)
 155 {
 156   myIsShrinkable = theIsShrinkable;
 157 }
 158
 159 bool VISU_ActorBase::IsShrunkable()
 160 {
 161   return myIsShrinkable;
 162 }
 163
 164 //--------------------------------------------------------------------------------------
 165
 166 void VISU_ActorBase::RemoveFromRender(vtkRenderer* theRenderer)
 167 {
 168   Superclass::RemoveFromRender(theRenderer);
 169 }
 170
 171 void VISU_ActorBase::RemoveFromRender()
 172 {
 173   RemoveFromRender(GetRenderer());
 174 }
 175
 176 void VISU_ActorBase::ConnectToFactory(boost::signal0<void>& theUpdateActorSignal, boost::signal0<void>& theRemoveFromRendererSignal)
 177 {
 178   myUpdateActorsConnection = theUpdateActorSignal.connect(boost::bind(&VISU_ActorBase::UpdateFromFactory,this));
 179   myRemoveFromRendererConnection = theRemoveFromRendererSignal.connect(boost::bind(&VISU_ActorBase::RemoveFromRender,this));
 180 }