1 // Copyright (C) 2007-2021 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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, or (at your option) any later version.
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.
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
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
22 // File : SMESH_NodeLabelActor.cxx
23 // Author : Roman NIKOLAEV
26 #include "SMESH_NodeLabelActor.h"
28 #include <VTKViewer_TransformFilter.h>
30 #include <vtkObjectFactory.h>
31 #include <vtkCallbackCommand.h>
32 #include <vtkMaskPoints.h>
33 #include <vtkSelectVisiblePoints.h>
34 #include <vtkLabeledDataMapper.h>
35 #include <vtkActor2D.h>
36 #include <vtkTextProperty.h>
37 #include <vtkPointData.h>
38 #include <vtkProperty2D.h>
39 #include <vtkRenderer.h>
40 #include <vtkUnstructuredGrid.h>
42 vtkStandardNewMacro(SMESH_NodeLabelActor)
47 SMESH_NodeLabelActor::SMESH_NodeLabelActor()
49 //Definition of points numbering pipeline
50 //---------------------------------------
51 myPointsNumDataSet = vtkUnstructuredGrid::New();
53 myPtsMaskPoints = vtkMaskPoints::New();
54 myPtsMaskPoints->SetInputData(myPointsNumDataSet);
55 myPtsMaskPoints->SetOnRatio(1);
57 myPtsSelectVisiblePoints = vtkSelectVisiblePoints::New();
58 myPtsSelectVisiblePoints->SetInputConnection(myPtsMaskPoints->GetOutputPort());
59 myPtsSelectVisiblePoints->SelectInvisibleOff();
60 myPtsSelectVisiblePoints->SetTolerance(0.1);
62 myPtsLabeledDataMapper = vtkLabeledDataMapper::New();
63 myPtsLabeledDataMapper->SetInputConnection(myPtsSelectVisiblePoints->GetOutputPort());
64 myPtsLabeledDataMapper->SetLabelFormat("%d");
65 myPtsLabeledDataMapper->SetLabelModeToLabelScalars();
67 myPtsTextProp = vtkTextProperty::New();
68 myPtsTextProp->SetFontFamilyToTimes();
69 myPtsTextProp->SetFontSize(10);
70 myPtsTextProp->SetBold(1);
71 myPtsTextProp->SetItalic(0);
72 myPtsTextProp->SetShadow(0);
73 myPtsTextProp->SetColor( 1, 1, 1 );
74 myPtsLabeledDataMapper->SetLabelTextProperty(myPtsTextProp);
76 myIsPointsLabeled = false;
78 myPointLabels = vtkActor2D::New();
79 myPointLabels->SetMapper(myPtsLabeledDataMapper);
80 myPointLabels->SetVisibility(myIsPointsLabeled);
82 vtkCallbackCommand* callBackCommand = vtkCallbackCommand::New();
83 callBackCommand->SetClientData(this);
84 callBackCommand->SetCallback(SMESH_NodeLabelActor::ProcessEvents);
86 myTransformFilter->AddObserver("VTKViewer_TransformFilter::TransformationFinished",
88 callBackCommand->Delete();
94 SMESH_NodeLabelActor::~SMESH_NodeLabelActor()
96 //Deleting of points numbering pipeline
97 //---------------------------------------
98 myPointsNumDataSet->Delete();
100 // commented: porting to vtk 5.0
101 // myPtsLabeledDataMapper->RemoveAllInputs();
102 myPtsLabeledDataMapper->Delete();
104 // commented: porting to vtk 5.0
105 // myPtsSelectVisiblePoints->UnRegisterAllOutputs();
106 myPtsSelectVisiblePoints->Delete();
108 // commented: porting to vtk 5.0
109 // myPtsMaskPoints->UnRegisterAllOutputs();
110 myPtsMaskPoints->Delete();
111 myPointLabels->Delete();
112 myPtsTextProp->Delete();
115 void SMESH_NodeLabelActor::SetFontProperties( SMESH::LabelFont family, int size,
116 bool bold, bool italic, bool shadow,
117 double r, double g, double b )
120 case SMESH::FntArial:
121 myPtsTextProp->SetFontFamilyToArial(); break;
122 case SMESH::FntCourier:
123 myPtsTextProp->SetFontFamilyToCourier(); break;
124 case SMESH::FntTimes:
126 myPtsTextProp->SetFontFamilyToTimes(); break;
128 myPtsTextProp->SetFontSize( size );
129 myPtsTextProp->SetBold( bold );
130 myPtsTextProp->SetItalic( italic );
131 myPtsTextProp->SetShadow( shadow );
132 myPtsTextProp->SetColor( r, g, b );
135 void SMESH_NodeLabelActor::SetPointsLabeled(bool theIsPointsLabeled)
137 myIsPointsLabeled = theIsPointsLabeled;
139 myPointLabels->SetVisibility( false );
141 myTransformFilter->Update();
142 vtkDataSet* aGrid = vtkUnstructuredGrid::SafeDownCast(myTransformFilter->GetOutput());
144 if ( myIsPointsLabeled && aGrid )
146 myPointsNumDataSet->ShallowCopy(aGrid);
147 vtkUnstructuredGrid *aDataSet = myPointsNumDataSet;
149 int aNbElem = aDataSet->GetNumberOfPoints();
151 vtkIntArray *anArray = vtkIntArray::New();
152 anArray->SetNumberOfValues( aNbElem );
154 for ( vtkIdType anId = 0; anId < aNbElem; anId++ )
156 int aSMDSId = myVisualObj->GetNodeObjId( anId );
157 anArray->SetValue( anId, aSMDSId );
160 aDataSet->GetPointData()->SetScalars( anArray );
161 myPtsMaskPoints->SetInputData( aDataSet );
162 myPointLabels->SetVisibility( GetVisibility() );
168 void SMESH_NodeLabelActor::SetVisibility(int theMode)
170 SMESH_DeviceActor::SetVisibility(theMode);
171 myPointLabels->VisibilityOff();
172 if(myIsPointsLabeled && theMode)
173 myPointLabels->VisibilityOn();
177 void SMESH_NodeLabelActor::AddToRender(vtkRenderer* theRenderer)
179 SMESH_DeviceActor::AddToRender(theRenderer);
180 myPtsSelectVisiblePoints->SetRenderer(theRenderer);
181 theRenderer->AddActor2D(myPointLabels);
184 void SMESH_NodeLabelActor::RemoveFromRender(vtkRenderer* theRenderer)
186 theRenderer->RemoveActor(myPointLabels);
187 SMESH_DeviceActor::RemoveFromRender(theRenderer);
190 void SMESH_NodeLabelActor::UpdateLabels()
192 if(myIsPointsLabeled)
193 SetPointsLabeled(myIsPointsLabeled);
197 void SMESH_NodeLabelActor::ProcessEvents(vtkObject* vtkNotUsed(theObject),
198 unsigned long /*theEvent*/,
200 void* vtkNotUsed(theCallData))
202 SMESH_NodeLabelActor* self = reinterpret_cast<SMESH_NodeLabelActor*>(theClientData);
204 self->UpdateLabels();