#pragma once

#ifndef TNZ4_H

#define TNZ4_H

#include <assert.h></assert.h>

#include <stdlib.h></stdlib.h>

#include <sys types.h=""></sys>

#if defined(MACOSX)

#include <sys malloc.h=""></sys>

#endif

#define UCHAR unsigned char

#define USHORT unsigned short

#include "tmachine.h"

#include "tnztypes.h"

#include "tfile_io.h"

#if !defined(TNZ_LITTLE_ENDIAN)

TNZ_LITTLE_ENDIAN undefined !!

#endif

#define NIL 0

#define FALSE 0

#define TRUE 1

#define TBOOL int

    typedef struct LPIXEL {

#ifdef _WIN32

  unsigned char b, g, r, m;

#elif defined(__sgi)

  unsigned char m, b, g, r;

#elif defined(LINUX) || defined(FREEBSD) || defined(HAIKU)

  unsigned char r, g, b, m;

#elif defined(MACOSX)

  unsigned char m, r, g, b;

#else

#error Not	yet implemented

#endif

} LPIXEL;

typedef struct SPIXEL {

#ifdef _WIN32

  unsigned short b, g, r, m;

#elif defined(__sgi)

  unsigned short m, b, g, r;

#elif defined(LINUX) || defined(FREEBSD) || defined(HAIKU)

  unsigned short r, g, b, m;

#elif defined(MACOSX)

  unsigned char m, r, g, b;

#else

#error Not	yet implemented

#endif

} SPIXEL;

#define UINT TINT32

typedef LPIXEL GL_COLOR;

typedef struct IMAGE {

  int xsize, ysize;

  int xSBsize, ySBsize;

  int type;

  UCHAR *buffer;

  double x_dpi, y_dpi;

} IMAGE;

#define TOONZRGB (1234)

#define TOONZRGB64 (4567)

#define TMALLOC(ptr, elem) (ptr) = (void *)malloc((elem) * sizeof(*(ptr)));

#define TCALLOC(ptr, elem) (ptr) = (void *)calloc((elem), sizeof(*(ptr)));

#define TREALLOC(ptr, elem)                                                    \

  {                                                                            \

    if (ptr)                                                                   \

      (ptr) = (void *)realloc((ptr), (elem) * sizeof(*(ptr)));                 \

    else                                                                       \

      (ptr) = (void *)malloc((elem) * sizeof(*(ptr)));                         \

  }

#define TFREE(ptr)                                                             \

  {                                                                            \

    if (ptr) {                                                                 \

      free(ptr);                                                               \

      ptr = NIL;                                                               \

    }                                                                          \

  }

#define NOT_LESS_THAN(MIN, X)                                                  \

  {                                                                            \

    if ((X) < (MIN)) (X) = (MIN);                                              \

  }

#define NOT_MORE_THAN(MAX, X)                                                  \

  {                                                                            \

    if ((X) > (MAX)) (X) = (MAX);                                              \

  }

#define CROP(X, MIN, MAX) (X < MIN ? MIN : (X > MAX ? MAX : X))

#ifdef _WIN32

#define LPIXEL_TO_BGRM(X) (X)

#else

#if TNZ_LITTLE_ENDIAN

#define LPIXEL_TO_BGRM(X) (((TUINT32)(X) >> 8) | ((TUINT32)(X) << 24))

/*

    #define BGRM_TO_LPIXEL(X)  (((TUINT32)(X)<<8) | ((TUINT32)(X)>>24))

*/

#else

#define LPIXEL_TO_BGRM(X) (((TUINT32)(X) << 8) | ((TUINT32)(X) >> 24))

/*

    #define BGRM_TO_LPIXEL(X)  (((TUINT32)(X)>>8) | ((TUINT32)(X)<<24))

*/

#endif

#endif

#define BYTE_FROM_USHORT_MAGICFAC (256U * 255U + 1U)

#define PIX_USHORT_FROM_BYTE(X) ((X) | ((X) << 8))

#define PIX_BYTE_FROM_USHORT(X)                                                \

  ((((X)*BYTE_FROM_USHORT_MAGICFAC) + (1 << 23)) >> 24)

#define PIX_DITHER_BYTE_FROM_USHORT(X, R)                                      \

  (((((X)*BYTE_FROM_USHORT_MAGICFAC) -                                         \

     (((X)*BYTE_FROM_USHORT_MAGICFAC) >> 24)) +                                \

    (R)) >>                                                                    \

   24)

/*---------------------------------------------------------------------------*/

short swap_short(short s);

TINT32 swap_TINT32(TINT32 s);

USHORT swap_ushort(USHORT x);

/*ULONG swap_uTLong (ULONG x);*/

/*---------------------------------------------------------------------------*/

/*! These functions are implemented in .cpp files, and allocate any buffer

using new operator, so it's safe return img->buffer to .cpp units */

IMAGE *new_img();

void free_img(IMAGE *);

int allocate_pixmap(IMAGE *img, int w, int h);

#endif