lib/maracasVisuLib/src/interface/wxWindows/widgets/pPlotter/Histogram.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 /*
  27  This class plots image's histograms in a plotter
  28 */
  29
  30  //---------------------
  31  // Includes
  32  //----------------------
  33  #include "Histogram.h"
  34  #include  "vtkImageCast.h"
  35  #include  <math.h>
  36 // ----------------------------------------------------------------------------
  37 // WX headers inclusion.
  38 // For compilers that support precompilation, includes <wx/wx.h>.
  39 // ----------------------------------------------------------------------------
  40
  41         #ifndef WX_PRECOMP
  42         #include <wx/wx.h>
  43         #endif
  44
  45 //----------------------------------------------------------------------------
  46 // Class implementation
  47 //----------------------------------------------------------------------------
  48
  49 IMPLEMENT_CLASS(Histogram, wxWindow)
  50 //----------------------------------------------------------------------------
  51 // Event Table
  52 //----------------------------------------------------------------------------
  53
  54 BEGIN_EVENT_TABLE(Histogram, wxWindow)
  55         EVT_SIZE  (Histogram::OnSize)
  56 END_EVENT_TABLE()
  57  //---------------------
  58  // Constructor
  59  //----------------------
  60
  61 //EED Borrame 07Mai2009
  62 //Histogram::Histogram( wxWindow *parent, wxWindowID id, const wxPoint &pos, const wxSize &size, int flag,vtkImageData* imageData):
  63         Histogram::Histogram( wxWindow *parent, wxWindowID id, const wxPoint &pos, const wxSize &size, int flag):
  64         wxPanel(parent,id,pos,size,flag)
  65         {
  66                  SetBackgroundColour(wxColour(255,255,255));
  67                 //histogram
  68 //EED Borrame 07Mai2009
  69 //              histogram= new pHistogram(imageData);
  70
  71                 //plotter
  72                 plotter=new pPlotterWindow(this, -1, wxPoint(0,0), wxSize(742,476), wxSUNKEN_BORDER );
  73
  74                 plotter->AddLayer(new pPlotterScaleX());
  75                 plotter->AddLayer(new pPlotterScaleY());
  76                 //is a plotter of histograms
  77                 plotter->setType(2);
  78                 //setting the popMenu
  79                 plotter->setPopUpMenu(true,true,true,true,true,true,false,false,false,false,false,false,false);
  80                 histogramSize=0;
  81
  82                 idHistogram=-1;
  83
  84 //EED Borrame 07Mai2009
  85                 //drawing
  86 //              drawHistogram();
  87
  88
  89         }
  90
  91         Histogram::~Histogram()
  92         {
  93                 delete histogram;
  94                 delete plotter;
  95
  96         }
  97
  98    void Histogram::Configure(vtkImageData* imageData)
  99         {
 100                 histogram= new pHistogram(imageData);
 101                 drawHistogram();
 102         }
 103
 104         /*
 105         Draw the histogram in the plotter
 106         */
 107         void Histogram::drawHistogram()
 108         {
 109                 //int xValues[MAX],yValues[MAX],extent[6];
 110                 double* xValues;
 111                 double* yValues;
 112
 113                 vtkImageData* histogramImageData=histogram->getHistogram();
 114
 115                 //size
 116                 histogramSize=histogram->getSize();
 117
 118                 //plotting
 119                 xValues=(double*)malloc(NUM_POINTS*sizeof(double));
 120                 yValues=(double*)malloc(NUM_POINTS*sizeof(double));
 121
 122                 double* histogramPointer=(double*)histogramImageData->GetScalarPointer(0,0,0);
 123
 124                 int i;
 125                 for(i=0; i< histogramSize; i++)
 126                 {
 127                         xValues[i]=i;
 128                         if (histogramPointer[i]==0)
 129                         {
 130                                 yValues[i]=0;
 131                         } else {
 132                                 yValues[i]=log(histogramPointer[i])*10;
 133                         } // if histogramPointer
 134                 } // for i
 135
 136
 137                 pGraphicalFunction* histogramFunction=plotter->getFunctionForVectors(xValues,histogramSize,yValues,histogramSize);
 138
 139                 if (histogramFunction)
 140                 {
 141                         histogramFunction->setEditable(false);
 142                         //smooth function
 143                         histogramFunction->setType(2);
 144                         //it is an histogram
 145                         histogramFunction->setmType(2);
 146                         idHistogram=plotter->addFunction(histogramFunction);
 147                         //for setting range the vision
 148                         plotter->addFunctionToMove(histogramFunction);
 149                         wxPen mypen1(*wxBLUE, 1, wxSOLID );
 150                         mypen1.SetWidth(2);
 151                         histogramFunction->SetPen( mypen1 );
 152                 }
 153
 154
 155                         free(xValues);
 156                         free(yValues);
 157
 158                 //plotter->setPopUpMenu(true,true,false,false,true,true,false,false,false,false,false,false,false);
 159         }
 160
 161         /*
 162                 if the user resize the window
 163         */
 164         void Histogram::OnSize(wxSizeEvent &WXUNUSED(event))
 165         {
 166                 int scrX,scrY;
 167                 GetClientSize(&scrX,&scrY);
 168                 plotter->SetSize(scrX,scrY);
 169
 170                 /*
 171                 pGraphicalFunction* actual=plotter->getFunction(idTransferenceFunction);
 172                 actual->setScreens(scrX,scrY);
 173                 actual->setScales();
 174                 */
 175         }
 176
 177         /*
 178                 get a point of the Histogram
 179                 given the grey value
 180         */
 181         int Histogram::getHistogramPoint(int gValue)
 182         {
 183                 return histogram->getHistogramPoint(gValue);
 184         }
 185
 186
 187         //-------------------
 188         // Getter and setters
 189         //-------------------
 190
 191         int Histogram::getHistogramSize()
 192         {
 193                 return histogramSize;
 194         }
 195
 196         wxWindow* Histogram::GetWindow()
 197         {
 198                 return this;
 199         }
 200
 201         pPlotterWindow* Histogram::GetPlotterWindow()
 202         {
 203                 return plotter;
 204         }
 205
 206
 207