bbtk/src/bbmaracasvisuTransferFunctionView.cxx

   1 /*# ---------------------------------------------------------------------
   2 #
   3 # Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image
   4 #                        pour la Sant�)
   5 # Authors : Eduardo Davila, Frederic Cervenansky, Claire Mouton
   6 # Previous Authors : Laurent Guigues, Jean-Pierre Roux
   7 # CreaTools website : www.creatis.insa-lyon.fr/site/fr/creatools_accueil
   8 #
   9 #  This software is governed by the CeCILL-B license under French law and
  10 #  abiding by the rules of distribution of free software. You can  use,
  11 #  modify and/ or redistribute the software under the terms of the CeCILL-B
  12 #  license as circulated by CEA, CNRS and INRIA at the following URL
  13 #  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
  14 #  or in the file LICENSE.txt.
  15 #
  16 #  As a counterpart to the access to the source code and  rights to copy,
  17 #  modify and redistribute granted by the license, users are provided only
  18 #  with a limited warranty  and the software's author,  the holder of the
  19 #  economic rights,  and the successive licensors  have only  limited
  20 #  liability.
  21 #
  22 #  The fact that you are presently reading this means that you have had
  23 #  knowledge of the CeCILL-B license and that you accept its terms.
  24 # ------------------------------------------------------------------------ */
  25
  26 #include "bbmaracasvisuTransferFunctionView.h"
  27 #include "bbcreaMaracasVisuPackage.h"
  28 namespace bbcreaMaracasVisu
  29 {
  30
  31 BBTK_ADD_BLACK_BOX_TO_PACKAGE(creaMaracasVisu,TransferFunctionView)
  32 BBTK_BLACK_BOX_IMPLEMENTATION(TransferFunctionView,bbtk::WxBlackBox);
  33
  34 //-----------------------------------------------------
  35 void TransferFunctionView::Process()
  36 {
  37         if(bbGetInputIn()!=NULL)
  38         {
  39
  40 //              if(_currentimg != bbGetInputIn())
  41 //              {
  42                         _currentimg =  bbGetInputIn();
  43                         //mwxwidget->initializeHistogram(_currentimg);
  44                         mwxwidget->setImageData(_currentimg);
  45                         //mwxwidget->Refresh();
  46 //              }
  47
  48 //              onColorChange();
  49                 /*
  50                 bbSetOutputGreyLevel(greylevel);
  51                 bbSetOutputValue(value);
  52                 bbSetOutputGreyLevelColors(greylevelcolors);
  53                 bbSetOutputRed(red);
  54                 bbSetOutputGreen(green);
  55                 bbSetOutputBlue(blue);
  56                 */
  57         } // if In
  58 }
  59
  60 void TransferFunctionView::onColorChange()
  61 {
  62
  63         std::vector<double> greylevel;
  64         std::vector<double> value;
  65
  66         std::vector<double> greylevelcolors;
  67         std::vector<double> red;
  68         std::vector<double> green;
  69         std::vector<double> blue;
  70
  71         mwxwidget->GetValuesPointsFunction(greylevel, value);
  72         mwxwidget->GetValuesColorPointsFunction(greylevelcolors,red, green,blue);
  73
  74
  75         _tfun->RemoveAllPoints();
  76         unsigned int i;
  77         for(i = 0; i < greylevel.size();i++){
  78                 _tfun->AddPoint(greylevel[i], value[i]);
  79 //              std::cout<<"TransferFunctionView::Process()transfer function "<<greylevel[i]<<" "<< value[i]<<std::endl;
  80         }
  81         _ctfun->RemoveAllPoints();
  82         _ctfun->SetScaleToLinear ();
  83         _ctfun->ClampingOff();
  84         _ctfun->AllowDuplicateScalarsOn();
  85         double w=mwxwidget->GetWindowLevel();
  86         double c=mwxwidget->GetColorLevel();
  87
  88         if (greylevelcolors.size()>1)
  89         {
  90             double min = greylevelcolors[0];
  91                 double max = greylevelcolors[greylevelcolors.size()-1];
  92                 double dif = max-min;
  93                 if (dif==0) dif=0.0001;
  94                 double nc;
  95                 unsigned int i;
  96                 i=0;
  97                 _ctfun->AddRGBPoint(greylevelcolors[i], red[i],green[i], blue[i]);
  98                 for(i = 0; i < greylevelcolors.size();i++)
  99                 {
 100                         nc = ((greylevelcolors[i]-min)/dif)*w + c-w/2;
 101 //                      _ctfun->AddRGBPoint(greylevelcolors[i], red[i],green[i], blue[i]);
 102                         _ctfun->AddRGBPoint( nc , red[i],green[i], blue[i]);
 103 //              std::cout<<"EED TransferFunctionView::Process()transfer color function <<"<<nc<<" "<<red[i]<<" "<<green[i]<<" "<<blue[i]<<std::endl;
 104                 }
 105                 i=greylevelcolors.size()-1;
 106                 _ctfun->AddRGBPoint( greylevelcolors[i] , red[i],green[i], blue[i]);
 107         }
 108
 109
 110         _tfun->Update();
 111         bbSetOutputOpacityFunction(_tfun);
 112         bbSetOutputColorFunction(_ctfun );
 113         bbSetOutputActive( mwxwidget->GetActive() );
 114
 115         bbSignalOutputModification();
 116
 117 }
 118
 119 void TransferFunctionView::onSliderChange()
 120 {
 121                 onColorChange();
 122                 bbSignalOutputModification();
 123 //      bbSetOutputWindowLevel(mwxwidget->GetWindowLevel());
 124 //      bbSetOutputColorLevel(mwxwidget->GetColorLevel());
 125 }
 126
 127
 128 //-----------------------------------------------------
 129 void TransferFunctionView::CreateWidget(wxWindow* parent)
 130 {
 131         bbtkDebugMessageInc("Core",9,"TransferFunctionView::CreateWxWindow()"<<std::endl);
 132         mwxwidget = new HistogramDialogComboBox(parent);
 133         HandlerTransferFunctionView* handler = new HandlerTransferFunctionView(this);
 134 //      parent->Connect(mwxwidget->GetId(), wxEVT_COMMAND_COMBOBOX_SELECTED, (wxObjectEventFunction) (&HandlerTransferFunctionView::onActive),NULL,handler);
 135         parent->Connect(mwxwidget->GetId(), wxEVT_COMMAND_COMBOBOX_SELECTED, (wxObjectEventFunction) (&HandlerTransferFunctionView::onColorChange),NULL,handler);
 136         parent->Connect(mwxwidget->GetId(), wxEVT_SCROLL_THUMBTRACK, (wxObjectEventFunction) (&HandlerTransferFunctionView::onSliderChange),NULL,handler);
 137         bbSetOutputWidget( mwxwidget );
 138     bbtkDebugDecTab("Core",9);
 139 }
 140
 141 //-----------------------------------------------------
 142
 143 void TransferFunctionView::bbUserSetDefaultValues()
 144 {
 145         mwxwidget       = NULL;
 146         _currentimg = NULL;
 147         _tfun           = NULL;
 148         _ctfun          = NULL;
 149         bbSetOutputOpacityFunction(0);
 150         bbSetOutputColorFunction(0);
 151 }
 152
 153         //-----------------------------------------------------------------
 154         void TransferFunctionView::bbUserInitializeProcessing()
 155         {
 156                 _tfun = vtkPiecewiseFunction::New();
 157                 _ctfun = vtkColorTransferFunction::New();
 158                 _ctfun->SetClamping(-1);
 159                 bbSetInputIn(NULL);
 160         }
 161
 162         //-----------------------------------------------------------------
 163         void TransferFunctionView::bbUserFinalizeProcessing()
 164         {
 165         }
 166
 167         //-----------------------------------------------------------------
 168         HandlerTransferFunctionView::HandlerTransferFunctionView(TransferFunctionView* box)
 169         {
 170                 _box = box;
 171         }
 172
 173         HandlerTransferFunctionView::~HandlerTransferFunctionView()
 174         {
 175         }
 176
 177         void HandlerTransferFunctionView::onColorChange(wxCommandEvent& event)
 178         {
 179                 _box->onColorChange();
 180         }
 181
 182         void HandlerTransferFunctionView::onSliderChange(wxCommandEvent& event)
 183         {
 184                 _box->onSliderChange();
 185         }
 186
 187 }
 188
 189 // EO namespace bbcreaMaracasVisu
 190
 191