X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FOBJECT%2FSMESH_CellLabelActor.cxx;fp=src%2FOBJECT%2FSMESH_CellLabelActor.cxx;h=399bc869f78ebb824c0305ce75e71a9e4a7efc67;hb=6b6e2ef015461eed2549ab12d22da1b3e594a903;hp=0000000000000000000000000000000000000000;hpb=e5dee335729a15bd0c3009a466df3dc8c6224981;p=modules%2Fsmesh.git

diff --git a/src/OBJECT/SMESH_CellLabelActor.cxx b/src/OBJECT/SMESH_CellLabelActor.cxx
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+++ b/src/OBJECT/SMESH_CellLabelActor.cxx
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+// Copyright (C) 2007-2011  CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+//  File   : SMESH_CellLabelActor.cxx
+//  Author : Roman NIKOLAEV
+//  Module : SMESH
+//
+#include "SMESH_CellLabelActor.h"
+
+#include <VTKViewer_TransformFilter.h>
+#include <VTKViewer_CellCenters.h>
+
+#include <vtkObjectFactory.h>
+#include <vtkCallbackCommand.h>
+#include <vtkMaskPoints.h>
+#include <vtkSelectVisiblePoints.h>
+#include <vtkLabeledDataMapper.h>
+#include <vtkActor2D.h>
+#include <vtkTextProperty.h>
+#include <vtkPointData.h>
+#include <vtkProperty2D.h>
+#include <vtkRenderer.h>
+#include <vtkPolyData.h>
+#include <vtkCellData.h>
+
+vtkStandardNewMacro(SMESH_CellLabelActor);
+
+/*!
+  Constructor.
+*/
+SMESH_CellLabelActor::SMESH_CellLabelActor() {
+    //Definition of cells numbering pipeline
+  //---------------------------------------
+  myCellsNumDataSet = vtkPolyData::New();
+
+  myCellCenters = VTKViewer_CellCenters::New();
+  myCellCenters->SetInput(myCellsNumDataSet);
+
+  myClsMaskPoints = vtkMaskPoints::New();
+  myClsMaskPoints->SetInput(myCellCenters->GetOutput());
+  myClsMaskPoints->SetOnRatio(1);
+    
+  myClsSelectVisiblePoints = vtkSelectVisiblePoints::New();
+  myClsSelectVisiblePoints->SetInput(myClsMaskPoints->GetOutput());
+  myClsSelectVisiblePoints->SelectInvisibleOff();
+  myClsSelectVisiblePoints->SetTolerance(0.1);
+    
+  myClsLabeledDataMapper = vtkLabeledDataMapper::New();
+  myClsLabeledDataMapper->SetInput(myClsSelectVisiblePoints->GetOutput());
+
+  myClsLabeledDataMapper->SetLabelFormat("%d");
+  myClsLabeledDataMapper->SetLabelModeToLabelScalars();
+    
+  vtkTextProperty* aClsTextProp = vtkTextProperty::New();
+  aClsTextProp->SetFontFamilyToTimes();
+  static int aCellsFontSize = 12;
+  aClsTextProp->SetFontSize(aCellsFontSize);
+  aClsTextProp->SetBold(1);
+  aClsTextProp->SetItalic(0);
+  aClsTextProp->SetShadow(0);
+  myClsLabeledDataMapper->SetLabelTextProperty(aClsTextProp);
+  aClsTextProp->Delete();
+    
+  myIsCellsLabeled = false;
+
+  myCellsLabels = vtkActor2D::New();
+  myCellsLabels->SetMapper(myClsLabeledDataMapper);
+  myCellsLabels->GetProperty()->SetColor(0,1,0);
+  myCellsLabels->SetVisibility(myIsCellsLabeled);
+
+  vtkCallbackCommand* callBackCommand = vtkCallbackCommand::New();
+  callBackCommand->SetClientData(this);
+  callBackCommand->SetCallback(SMESH_CellLabelActor::ProcessEvents);
+
+  myTransformFilter->AddObserver("VTKViewer_TransformFilter::TransformationFinished",
+				 callBackCommand);
+  callBackCommand->Delete();
+}
+
+
+/*!
+  Destructor.
+*/
+SMESH_CellLabelActor::~SMESH_CellLabelActor() {
+  //Deleting of cells numbering pipeline
+  //---------------------------------------
+  myCellsNumDataSet->Delete();
+
+  myClsLabeledDataMapper->RemoveAllInputs();
+  myClsLabeledDataMapper->Delete();
+  
+  // commented: porting to vtk 5.0
+  //  myClsSelectVisiblePoints->UnRegisterAllOutputs();
+  myClsSelectVisiblePoints->Delete();
+  
+  // commented: porting to vtk 5.0
+  //  myClsMaskPoints->UnRegisterAllOutputs();
+  myClsMaskPoints->Delete();
+  
+  // commented: porting to vtk 5.0
+  //  myCellCenters->UnRegisterAllOutputs();
+  myCellCenters->Delete();
+  
+  myCellsLabels->Delete();
+}
+
+
+void SMESH_CellLabelActor::SetCellsLabeled(bool theIsCellsLabeled) {
+  myTransformFilter->Update();
+  vtkPolyData* aGrid = vtkPolyData::SafeDownCast(myTransformFilter->GetOutput());
+  if(!aGrid)
+    return;
+
+  myIsCellsLabeled = theIsCellsLabeled && aGrid->GetNumberOfPoints();
+  if(myIsCellsLabeled){
+    myCellsNumDataSet->ShallowCopy(aGrid);
+    vtkDataSet *aDataSet = myCellsNumDataSet;
+    int aNbElem = aDataSet->GetNumberOfCells();
+    vtkIntArray *anArray = vtkIntArray::New();
+    anArray->SetNumberOfValues(aNbElem);
+    for(int anId = 0; anId < aNbElem; anId++){
+      int aSMDSId = GetElemObjId(anId);
+      anArray->SetValue(anId,aSMDSId);
+    }
+    aDataSet->GetCellData()->SetScalars(anArray);
+    myCellCenters->SetInput(aDataSet);
+    myCellsLabels->SetVisibility(GetVisibility());
+  }else{
+    myCellsLabels->SetVisibility(false);
+  }
+}
+
+void SMESH_CellLabelActor::SetVisibility(int theMode)
+{
+  SMESH_DeviceActor::SetVisibility(theMode);
+  myCellsLabels->VisibilityOff();
+  if(myIsCellsLabeled && theMode)
+    myCellsLabels->VisibilityOn();
+}
+
+void SMESH_CellLabelActor::AddToRender(vtkRenderer* theRenderer)
+{
+  SMESH_DeviceActor::AddToRender(theRenderer);
+  myClsSelectVisiblePoints->SetRenderer(theRenderer);
+  theRenderer->AddActor2D(myCellsLabels);
+}
+
+void SMESH_CellLabelActor::RemoveFromRender(vtkRenderer* theRenderer)
+{
+  theRenderer->RemoveActor(myCellsLabels);
+  SMESH_DeviceActor::RemoveFromRender(theRenderer);
+}
+
+void SMESH_CellLabelActor::UpdateLabels() {
+  if(myIsCellsLabeled)
+    SetCellsLabeled(myIsCellsLabeled);
+}
+
+
+void SMESH_CellLabelActor::ProcessEvents(vtkObject* vtkNotUsed(theObject),
+					 unsigned long theEvent,
+					 void* theClientData,
+					 void* vtkNotUsed(theCallData)) {
+  SMESH_CellLabelActor* self = reinterpret_cast<SMESH_CellLabelActor*>(theClientData);
+  if(self)
+    self->UpdateLabels();
+}