lib/maracasVisuLib/src/interface/wxWindows/widgets/pPlotter/Histogram.cxx

   1 /*
   2  This class plots image's histograms in a plotter
   3 */
   4
   5  //---------------------
   6  // Includes
   7  //----------------------
   8  #include "Histogram.h"
   9  #include  "vtkImageCast.h"
  10  #include  <math.h>
  11 // ----------------------------------------------------------------------------
  12 // WX headers inclusion.
  13 // For compilers that support precompilation, includes <wx/wx.h>.
  14 // ----------------------------------------------------------------------------
  15
  16         #ifndef WX_PRECOMP
  17         #include <wx/wx.h>
  18         #endif
  19
  20 //----------------------------------------------------------------------------
  21 // Class implementation
  22 //----------------------------------------------------------------------------
  23
  24 IMPLEMENT_CLASS(Histogram, wxWindow)
  25 //----------------------------------------------------------------------------
  26 // Event Table
  27 //----------------------------------------------------------------------------
  28
  29 BEGIN_EVENT_TABLE(Histogram, wxWindow)
  30         EVT_SIZE  (Histogram::OnSize)
  31 END_EVENT_TABLE()
  32  //---------------------
  33  // Constructor
  34  //----------------------
  35
  36 //EED Borrame 07Mai2009
  37 //Histogram::Histogram( wxWindow *parent, wxWindowID id, const wxPoint &pos, const wxSize &size, int flag,vtkImageData* imageData):
  38         Histogram::Histogram( wxWindow *parent, wxWindowID id, const wxPoint &pos, const wxSize &size, int flag):
  39         wxPanel(parent,id,pos,size,flag)
  40         {
  41                  SetBackgroundColour(wxColour(255,255,255));
  42                 //histogram
  43 //EED Borrame 07Mai2009
  44 //              histogram= new pHistogram(imageData);
  45
  46                 //plotter
  47                 plotter=new pPlotterWindow(this, -1, wxPoint(0,0), wxSize(742,476), wxSUNKEN_BORDER );
  48
  49                 plotter->AddLayer(new pPlotterScaleX());
  50                 plotter->AddLayer(new pPlotterScaleY());
  51                 //is a plotter of histograms
  52                 plotter->setType(2);
  53                 //setting the popMenu
  54                 plotter->setPopUpMenu(true,true,true,true,true,true,false,false,false,false,false,false,false);
  55                 histogramSize=0;
  56
  57                 idHistogram=-1;
  58
  59 //EED Borrame 07Mai2009
  60                 //drawing
  61 //              drawHistogram();
  62
  63
  64         }
  65
  66         Histogram::~Histogram()
  67         {
  68                 delete histogram;
  69                 delete plotter;
  70
  71         }
  72
  73     void Histogram::Configure(vtkImageData* imageData)
  74         {
  75                 histogram= new pHistogram(imageData);
  76                 drawHistogram();
  77         }
  78
  79         /*
  80         Draw the histogram in the plotter
  81         */
  82         void Histogram::drawHistogram()
  83         {
  84                 //int xValues[MAX],yValues[MAX],extent[6];
  85                 double* xValues;
  86                 double* yValues;
  87
  88                 vtkImageData* histogramImageData=histogram->getHistogram();
  89
  90                 //size
  91                 histogramSize=histogram->getSize();
  92
  93                 //plotting
  94                 xValues=(double*)malloc(NUM_POINTS*sizeof(double));
  95                 yValues=(double*)malloc(NUM_POINTS*sizeof(double));
  96
  97                 unsigned short* histogramPointer=(unsigned short*)histogramImageData->GetScalarPointer(0,0,0);
  98
  99                 for(int i=0; i< histogramSize; i++)
 100                 {
 101                         xValues[i]=i;
 102                         yValues[i]=log( (double) histogramPointer[i])*10;
 103                 }
 104
 105
 106                 pGraphicalFunction* histogramFunction=plotter->getFunctionForVectors(xValues,histogramSize,yValues,histogramSize);
 107
 108                 if (histogramFunction)
 109                 {
 110                         histogramFunction->setEditable(false);
 111                         //smooth function
 112                         histogramFunction->setType(2);
 113                         //it is an histogram
 114                         histogramFunction->setmType(2);
 115                         idHistogram=plotter->addFunction(histogramFunction);
 116                         //for setting range the vision
 117                         plotter->addFunctionToMove(histogramFunction);
 118                         wxPen mypen1(*wxBLUE, 1, wxSOLID );
 119                         mypen1.SetWidth(2);
 120                         histogramFunction->SetPen( mypen1 );
 121                 }
 122
 123
 124                         free(xValues);
 125                         free(yValues);
 126
 127                 //plotter->setPopUpMenu(true,true,false,false,true,true,false,false,false,false,false,false,false);
 128         }
 129
 130         /*
 131                 if the user resize the window
 132         */
 133         void Histogram::OnSize(wxSizeEvent &WXUNUSED(event))
 134         {
 135                 int scrX,scrY;
 136                 GetClientSize(&scrX,&scrY);
 137                 plotter->SetSize(scrX,scrY);
 138                 /*
 139                 pGraphicalFunction* actual=plotter->getFunction(idTransferenceFunction);
 140                 actual->setScreens(scrX,scrY);
 141                 actual->setScales();
 142                 */
 143         }
 144
 145         /*
 146                 get a point of the Histogram
 147                 given the grey value
 148         */
 149         int Histogram::getHistogramPoint(int gValue)
 150         {
 151                 return histogram->getHistogramPoint(gValue);
 152         }
 153
 154
 155         //-------------------
 156         // Getter and setters
 157         //-------------------
 158
 159         int Histogram::getHistogramSize()
 160         {
 161                 return histogramSize;
 162         }
 163
 164