HistogramDialogComboBox.h

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#ifndef __HistogramDialogComboBox__
#define __HistogramDialogComboBox__


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

#ifdef __BORLANDC__
#pragma hdrstop
#endif

#include <wx/wx.h>
#include <vector>

#include "HistogramDialogComboBoxItem.h"
#include <fstream>
#include <wx/bmpcbox.h>
#include "vtkImageData.h"

#ifdef WIN32
#define FILENAME "/data/colorsfunction.txt"
#else
#define FILENAME "colorsfunction.txt"
#endif


class HistogramDialogComboBox : public wxPanel
{
public:
        /*
         Constructor
        */
        HistogramDialogComboBox(wxWindow* parent);
        //HistogramDialogComboBox(int bar_width,int bar_height);
        ~HistogramDialogComboBox();

        void SetColors(std::vector<double> greyvect, std::vector<double> redvect, std::vector<double> greenvect, std::vector<double> bluevect);
        wxBitmap GetBitmap();

        std::vector<double> getGreyVector(){return _greyvect;}
        std::vector<double> getRedVector(){return _redvect;}
        std::vector<double> getGreenVector(){return _greenvect;}
        std::vector<double> getBlueVector(){return _bluevect;}

        void OnEditBitmapCombo(wxCommandEvent& event);
        void OnBitmapComboItemSelected(wxCommandEvent& event);

        void OnColorLevelChanged(wxCommandEvent& event);        
        void OnWindowLevelChanged(wxCommandEvent& event);       

        void setImageData(vtkImageData* img);

        void GetValuesPointsFunction(std::vector<double>& greylevel,std::vector<double>& value);

        void GetValuesColorPointsFunction(std::vector<double>& greylevel,
                                                                        std::vector<double>& red,
                                                                        std::vector<double>& green,
                                                                        std::vector<double>& blue);

        double GetWindowLevel();
        double GetColorLevel();

private:

        std::vector<double> _greyvect;
        std::vector<double> _redvect;
        std::vector<double> _greenvect;
        std::vector<double> _bluevect;
        std::vector<double> _greyvecttransfer;
        std::vector<double> _value;
        vtkImageData* _img;
        double _maxgreyvalue;
        int _currentitem;       

        /*
        * Represents the color of the backGround. Default color is the parent color. 
        */              

        wxBitmapComboBox*       _bitmapcombo;
        wxSlider*       _slidercolor;
        wxSlider*       _sliderwindowlevel;
        std::vector<HistogramDialogComboBoxItem*> _bitmapsitems;
        wxBitmap* colorBar_Bitmap;
        wxSizer* _bitmapsizer;

        wxSizer* getBitmapCombo();
        wxSizer* getSlidersWlCo();
        wxBitmapComboBox* getBitmapComboElements();
        void OnLoadComboBoxData(std::vector<HistogramDialogComboBoxItem*>& itembitmaps,std::string filename);
        void saveCurrentConfiguration(std::vector<HistogramDialogComboBoxItem*>& itembitmaps,std::string filename);
        void setSlidersValue();


        
};

#endif