pHistogram.h

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/*
#ifndef __pHistogram_h__
#define __pHistogram_h__

// --------------------------------------------------------------------------------------------
// WX headers inclusion.
// For compilers that support precompilation, includes <wx/wx.h>.
// --------------------------------------------------------------------------------------------

#include <wx/wxprec.h>
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include <wx/wx.h>
#endif
*/

//--------------------------------------------------------------------------------------------
// Includes
//--------------------------------------------------------------------------------------------

//---------------------
// VTK
//---------------------

#include "vtkImageData.h"
#include "vtkMetaImageReader.h"


//-----------------
// C++
//-----------------
#include <iostream>
#include <string>
#include <vector>
//--------------------------------------------------------------------------------------------
// Class definition
//--------------------------------------------------------------------------------------------

class pHistogram //:public wxObject
{

        //----------------------------------------------------------------------------------------
        // Methods definition
        //----------------------------------------------------------------------------------------
        public:
                
                /*
                 Constructor
                */
                pHistogram(std::string filePath);
                /*
                 Constructor
                */
                pHistogram(vtkImageData* imageData);
                ~pHistogram();
                /*
                 @param filePath: is the path where the image is 
                */
                void setImagePath(std::string filePath);
                /*
                 Return the points of the histogram of the image
                */
                std::vector <int> getPoints();
                /*
                 Calculate the histogram and save it in the attribute points
                 it is used if the user had given the file's path
                */
//private:      
                void buildHistogram();
                /*
                 Calculate the histogram and save it in the attribute points
                 it is used if the user had given the imageData
                */
                void buildHistogram(vtkImageData* imageData);
                /*
                getting ready the points
                */
                void initializePoints(int xDimension);
                /*
                constructing the histogram
                */
                void setPoints(vtkImageData* imageData);
                /*
                Returns the poins of the histograms
                */
                vtkImageData* getHistogram();
                /*
                  hash por getting the index for the histogram vector of the original
                  image
                */
                int getIndex(int gValue);
                /*
                Setting the size
                */
                void setSize(int nSize);
                /*
                 Get Image Size
                */
                int getImageSize();
                /*
                 Get Size of the histogram
                */
                int getSize();
                /*
                 Get the maximum value of grey of the histogram
                */
                int getMaximumLevelOfGrey();
                /*
                 Get the minimum value of grey of the histogram
                */
                int getMinimumLevelOfGrey();
                /*
                get a point of the Histogram
                given the grey value
                */
                int getHistogramPoint(int gValue);


        //----------------------------------------------------------------------------------------
        // Attributes declaration
        //----------------------------------------------------------------------------------------
        private: 
                /*
                 Points of the histogram of 
                 the image
                */
                vtkImageData* points;
                /*
                 The path of the image
                */
                std::string path;
                /*
                 the size of histogram vector
                */
                int size;
                /*
                 Maximum Level of grey
                */
                int maxLevelOfGrey;
                /*
                 Minimum Level of grey
                */
                int minLevelOfGrey;
                /*
                 image size
                */
                int sizeImage;

        //DECLARE_CLASS (pHistogram)
};

//#endif