/* NetHack 3.6  tile.h       $NHDT-Date: 1524689272 2018/04/25 20:47:52 $  $NHDT-Branch: NetHack-3.6.0 $:$NHDT-Revision: 1.13 $ */
/*      Copyright (c) 2016 by Michael Allison             */
/* NetHack may be freely redistributed.  See license for details. */

typedef unsigned char pixval;

typedef struct pixel_s {
    pixval r, g, b;
} pixel;

#define MAXCOLORMAPSIZE 256

#define CM_RED 0
#define CM_GREEN 1
#define CM_BLUE 2

/* shared between reader and writer */
extern pixval ColorMap[3][MAXCOLORMAPSIZE];
extern int colorsinmap;
/* writer's accumulated colormap */
extern pixval MainColorMap[3][MAXCOLORMAPSIZE];
extern int colorsinmainmap;

#include "dlb.h" /* for MODEs */

/* size of tiles */
#ifndef TILE_X
#define TILE_X 16
#endif
#ifndef TILE_Y
#define TILE_Y 16
#endif

#define Fprintf (void) fprintf

extern boolean FDECL(fopen_text_file, (const char *, const char *));
extern boolean FDECL(read_text_tile, (pixel(*) [TILE_X]));
extern boolean FDECL(write_text_tile, (pixel(*) [TILE_X]));
extern int NDECL(fclose_text_file);

extern void FDECL(set_grayscale, (int));
extern void NDECL(init_colormap);
extern void NDECL(merge_colormap);

#if defined(MICRO) || defined(WIN32)
#undef exit
#if !defined(MSDOS) && !defined(WIN32)
extern void FDECL(exit, (int));
#endif
#endif