#pragma once

#ifndef _PIXEL_GR_H

#define _PIXEL_GR_H

#include "tcommon.h"

#include <math.h></math.h>

#undef DVAPI

#undef DVVAR

#ifdef TCOLOR_EXPORTS

#define DVAPI DV_EXPORT_API

#define DVVAR DV_EXPORT_VAR

#else

#define DVAPI DV_IMPORT_API

#define DVVAR DV_IMPORT_VAR

#endif

//! r,g,b,m; 4 byte/pixel

class TPixelRGBM32;

//! r,g,b,m; 8 byte/pixel

class TPixelRGBM64;

//! Double r,g,b,m ; 16 byte/pixel

class TPixelD;

//! Gray Scale 1 byte/pixel

class TPixelGR8;

//! Gray Scale 2 byte/pixel

class TPixelGR16;

//-----------------------------------------------------------------------------

/*! grey tones, 8 bits

   A set of predefined colors are included as well.

*/

class DVAPI TPixelGR8 {

public:

  static const int maxChannelValue;

  typedef UCHAR Channel;

  UCHAR value;

  TPixelGR8(int v = 0) : value(v){};

  TPixelGR8(const TPixelGR8 &pix) : value(pix.value){};

  inline bool operator==(const TPixelGR8 &p) const { return value == p.value; };

  inline bool operator!=(const TPixelGR8 &p) const { return value != p.value; };

  inline bool operator<(const TPixelGR8 &p) const { return value < p.value; };

  inline bool operator<=(const TPixelGR8 &p) const { return value <= p.value; };

  inline bool operator>(const TPixelGR8 &p) const { return value > p.value; };

  inline bool operator>=(const TPixelGR8 &p) const { return value >= p.value; };

  inline void setValue(int _value) { value = (UCHAR)_value; }

  //! In this conversion instead of truncating values fron 16 to 8 a randomic

  //! dithering is performed.

  //    randomNumber is an unsigned int random value

  static inline TPixelGR8 from(const TPixelGR16 &pix,

                               TUINT32 randomNumber);  // per il dithering

  //! In this conversion instead of truncating values fron 64 to 8 a randomic

  //! dithering is performed.

  //    randomNumber is an unsigned int random value

  static TPixelGR8 from(const TPixelRGBM64 &pix,

                        TUINT32 randomNumber);  // per il dithering

  //! Converts TPixelRGBM32 into TPixelGR8

  static TPixelGR8 from(const TPixelRGBM32 &pix);

  //! Converts TPixelGR16 into TPixelGR8

  static inline TPixelGR8 from(const TPixelGR16 &pix);

  //! Converts TPixelD into TPixelGR8

  static TPixelGR8 from(const TPixelD &pix);

  static const TPixelGR8 White;

  static const TPixelGR8 Black;

};

//-----------------------------------------------------------------------------

/*!grey tones, 16 bits */

class DVAPI TPixelGR16 {

public:

  static const int maxChannelValue;

  typedef USHORT Channel;

  USHORT value;

  TPixelGR16(int v = 0) : value(v){};

  TPixelGR16(const TPixelGR16 &pix) : value(pix.value){};

  inline bool operator==(const TPixelGR16 &p) const {

    return value == p.value;

  };

  inline bool operator!=(const TPixelGR16 &p) const {

    return value != p.value;

  };

  inline bool operator<(const TPixelGR16 &p) const { return value < p.value; };

  inline bool operator<=(const TPixelGR16 &p) const {

    return value <= p.value;

  };

  inline bool operator>(const TPixelGR16 &p) const { return value > p.value; };

  inline bool operator>=(const TPixelGR16 &p) const {

    return value >= p.value;

  };

  inline void setValue(int _value) { value = (USHORT)_value; }

  static TPixelGR16 from(const TPixelRGBM64 &pix);

  static TPixelGR16 from(const TPixelD &pix);

  static const TPixelGR16 White;

  static const TPixelGR16 Black;

};

//-----------------------------------------------------------------------------

class DVAPI TPixelGRD {

public:

  typedef double Channel;

  double value;

  TPixelGRD(double v = 0.0) : value(v){};

  TPixelGRD(const TPixelGRD &pix) : value(pix.value){};

  inline bool operator==(const TPixelGRD &p) const { return value == p.value; };

  inline bool operator<(const TPixelGRD &p) const { return value < p.value; };

  inline void setValue(double _value) { value = (double)_value; }

  static TPixelGRD from(const TPixelGR8 &pix) {

    return TPixelGRD((double)(pix.value));

  }

};

#endif