GloriaFitsImage.h

// -*- mode: c++; mode: auto-fill; mode: flyspell-prog; -*-


#ifndef GloriaFitsImage_h
#define GloriaFitsImage_h 1


/*
 *   This source code is part of the LUIZA software package for GLORIA.
 *   You are free to use this source files for your own development as
 *   long as it stays in a public research context. You are not
 *   allowed to use it for commercial purpose. You must put this
 *   header with author names in all development based on this file.
 *
 */

#include <string>
#include <vector>
#include <map>

#include "GloriaFitsHeader.h"

namespace gloria{


  class GloriaFitsImage : public GloriaFitsHeader {

  public:


    GloriaFitsImage();

    /* Creates image and reads its contents from the fits file */
    GloriaFitsImage(std::string FitsFileName);

    GloriaFitsImage(const GloriaFitsImage& sourceFitsImage);



    GloriaFitsImage(int NpixelX, int NpixelY, bool useFloatPixels=true);


    ~GloriaFitsImage();



    void ReadFitsFile(std::string FitsFileName);


    void WriteFitsFile(std::string FitsFileName, int cBitPix=0, int cBZero=0, double cBScale=1.0);



    GloriaFitsImage& operator+=(const long shift);



    GloriaFitsImage& operator+=(const double shift);



    GloriaFitsImage& operator+=(const GloriaFitsImage& img);



    GloriaFitsImage& operator-=(const GloriaFitsImage& img);



    GloriaFitsImage& operator*=(const long fac);
 


    GloriaFitsImage& operator*=(const double fac);
 


    GloriaFitsImage& operator*=(const GloriaFitsImage& img);



    GloriaFitsImage& operator/=(const GloriaFitsImage& img);


    // Data access methods
    // ===================

    inline int SizeX() const { return _sizeX; };

    inline int SizeY() const { return _sizeY; };


    inline int PixelBits() const { return _bitsPerPixel; };

    inline bool IsIntImage() const {return _isIntImage; };

    inline bool IsFloatImage() const {return _isFloatImage; };

    inline long* GetIntImageData() const {return _intPixels; };

    inline double* GetFloatImageData() const {return _floatPixels; };



    void ConvertToFloat();



    void ConvertToInt();



private:

    void InitializeEmptyImage();
    void AllocateMemory(int NpixelX, int NpixelY, bool useFloatPixels=true);
    void ReleaseMemory();

    int _sizeX, _sizeY;

    int _bitsPerPixel;

    bool _isIntImage;
    long* _intPixels;

    bool _isFloatImage;
    double* _floatPixels;
  
  } ;


}

#endif