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/*****************************************************************
* fbm.h: FBM Library 0.9 (Beta Test) 07-Mar-89 Michael Mauldin
*
* Copyright (C) 1989 by Michael Mauldin. Permission is granted to
* use this file in whole or in part provided that you do not sell it
* for profit and that this copyright notice is retained unchanged.
*
* fbm.h: Fuzzy Bitmap Definition
*
*****************************************************************/
typedef unsigned char BYTE; /* 8 bits unsigned */
# define FBM_MAX_TITLE 80 /* For title and credits */
# define BIG 1 /* msb first byte order */
# define LITTLE 0 /* lsb first byte order */
#define FBMIN_SUCCESS 0 /* success */
#define FBMIN_ERR_BAD_SD -1 /* bad screen descriptor */
#define FBMIN_ERR_BAD_SIG -2 /* bad signature */
#define FBMIN_ERR_EOD -3 /* unexpected end of raster data */
#define FBMIN_ERR_EOF -4 /* unexpected end of input stream */
#define FBMIN_ERR_FAO -5 /* file already open */
#define FBMIN_ERR_IAO -6 /* image already open */
#define FBMIN_ERR_NFO -7 /* no file open */
#define FBMIN_ERR_NIO -8 /* no image open */
# define FBM_MAGIC "%bitmap"
/* FBM bitmap headers in files (null terminated 12 character ascii strings) */
typedef struct fbm_filehdr_struct {
char magic[8]; /* 2 bytes FBM_MAGIC number */
char cols[8]; /* Width in pixels */
char rows[8]; /* Height in pixels */
char planes[8]; /* Depth (1 for B+W, 3 for RGB) */
char bits[8]; /* Bits per pixel */
char physbits[8]; /* Bits to store each pixel */
char rowlen[12]; /* Length of a row in bytes */
char plnlen[12]; /* Length of a plane in bytes */
char clrlen[12]; /* Length of colormap in bytes */
char aspect[12]; /* ratio of Y to X of one pixel */
char title[FBM_MAX_TITLE]; /* Null terminated title */
char credits[FBM_MAX_TITLE]; /* Null terminated credits */
} FBMFILEHDR;
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