#pragma once

#ifndef __FILEBMP_INCLUDED__

#define __FILEBMP_INCLUDED__

#ifdef __cplusplus

extern "C" {

#endif

/*

#if defined(_WIN32)

typedef struct {unsigned char b,g,r,m;}  LPIXEL;

#elif defined(__sgi)

typedef struct { unsigned char  m,b,g,r; } LPIXEL;

#elif defined (LINUX)

typedef struct { unsigned char  r,g,b,m; } LPIXEL;

#else

#error	Not yet implemented

#endif

*/

enum BMP_ERROR_CODE {

  OK,

  UNSUPPORTED_BMP_FORMAT = -1,

  OUT_OF_MEMORY          = -2,

  UNEXPECTED_EOF         = -3,

  CANT_OPEN_FILE         = -4,

  WRITE_ERROR            = -5

};

typedef const wchar_t *MYSTRING;

int writebmp(const MYSTRING filename, int xsize, int ysize, void *buffer,

             int bpp);

int readbmp(const MYSTRING filename, int *xsize, int *ysize, void **buffer);

int readbmpregion(const MYSTRING fname, void **pimg, int x1, int y1, int x2,

                  int y2, int scale);

int readbmp_size(const MYSTRING fname, int *lx, int *ly);

int readbmp_bbox(const MYSTRING fname, int *x0, int *y0, int *x1, int *y1);

typedef enum {

  BMP_NONE,

  BMP_BW,

  BMP_GREY16,

  BMP_GREY16C,

  BMP_GREY256,

  BMP_GREY256C,

  BMP_CMAPPED16,

  BMP_CMAPPED16C,

  BMP_CMAPPED256,

  BMP_CMAPPED256C,

  BMP_RGB

} BMP_SUBTYPE;

typedef struct {

  UINT bfSize;

  UINT bfOffBits;

  UINT biSize;

  UINT biWidth;

  UINT biHeight;

  UINT biPlanes;

  UINT biBitCount;

  UINT biCompression;

  UINT biSizeImage;

  UINT biXPelsPerMeter;

  UINT biYPelsPerMeter;

  UINT biClrUsed;

  UINT biClrImportant;

  UINT biFilesize;

  UINT biPad;

} BMP_HEADER;

int load_bmp_header(FILE *fp, BMP_HEADER **pHd);

int write_bmp_header(FILE *fp, BMP_HEADER *hd);

void release_bmp_header(BMP_HEADER *hd);

int write_bmp_palette(FILE *fp, int nc, UCHAR *b, UCHAR *g, UCHAR *r);

int make_bmp_palette(int colors, int grey, UCHAR *r, UCHAR *g, UCHAR *b);

/*BMP_SUBTYPE

     bmp_get_colorstyle(IMAGE *img);*/

int error_checking_bmp(BMP_HEADER *hd);

int read_bmp_line(FILE *fp, void *line, UINT w, UINT h, UCHAR **mp,

                  BMP_SUBTYPE type);

int write_bmp_line(FILE *fp, void *line_buffer, UINT w, UINT row, UCHAR *mp,

                   BMP_SUBTYPE type);

int skip_bmp_lines(FILE *fp, UINT w, UINT rows, int whence, BMP_SUBTYPE type);

#define BMP_WIN_OS2_OLD 12

#ifdef __cplusplus

}

#endif

#endif