/* Copyright (C) 1992, 1993, 1994 artofcode LLC.  All rights reserved.
  
  This program is free software; you can redistribute it and/or modify it
  under the terms of the GNU General Public License as published by the
  Free Software Foundation; either version 2 of the License, or (at your
  option) any later version.

  This program is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  General Public License for more details.

  You should have received a copy of the GNU General Public License along
  with this program; if not, write to the Free Software Foundation, Inc.,
  59 Temple Place, Suite 330, Boston, MA, 02111-1307.

*/

/*$Id: gdevmgr.h,v 1.2.6.1.2.1 2003/01/17 00:49:01 giles Exp $*/
/* Common header file for MGR devices */

#ifndef gdevmgr_INCLUDED
#  define gdevmgr_INCLUDED

#define MGR_RESERVEDCOLORS 16

/* Color mapping routines for 8-bit color (with a fixed palette). */
dev_proc_map_rgb_color(mgr_8bit_map_rgb_color);
dev_proc_map_color_rgb(mgr_8bit_map_color_rgb);


/* extract from dump.h */

/*
 * format for saved bitmaps
 */

#define B_PUTHDR8(hdr, w, h, d) (			\
	(hdr)->magic[0]  = 'y', (hdr)->magic[1] = 'z',  \
	(hdr)->h_wide    = (((w) >> 6) & 0x3f) + ' ',	\
	(hdr)->l_wide    = ((w) & 0x3f) + ' ',		\
	(hdr)->h_high    = (((h) >> 6) & 0x3f) + ' ',	\
	(hdr)->l_high    = ((h) & 0x3f) + ' ',		\
	(hdr)->depth     = ((d) & 0x3f) + ' ',		\
	(hdr)->_reserved = ' ' )

struct b_header {
  char magic[2];           /* magics */
  char h_wide;             /* upper byte width (biased with 0x20) */
  char l_wide;             /* lower byte width (biased with 0x20) */
  char h_high;             /* upper byte height (biased with 0x20) */
  char l_high;             /* lower byte height (biased with 0x20) */
  char depth;              /* depth (biased with 0x20) */
  char _reserved;          /* for alignment */
};

/*
 * Color lookup table information
 */
struct nclut {
  unsigned short colnum;
  unsigned short red, green, blue;
} ;


/* extract from color.h */

/*
 * MGR Color Definitions
 */

#define LUT_BW    0
#define LUT_GREY  1
#define LUT_BGREY 2
#define LUT_VGA   3
#define LUT_BCT   4
#define LUT_USER  5
#define LUT       6
#define LUT_8     LUT

#define RGB_RED   0
#define RGB_GREEN 1
#define RGB_BLUE  2
#define RGB       3

#define LUTENTRIES 16

#define BW_RED       15, 0, 15, 0, 15, 0, 15, 0, 15, 0, 15, 0, 15, 0, 15, 0
#define BW_GREEN     BW_RED
#define BW_BLUE      BW_RED

#define GREY_RED     0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
#define GREY_GREEN   GREY_RED
#define GREY_BLUE    GREY_RED

#define BGREY_RED    1, 0, 2, 8, 4, 3, 13, 11, 7, 6, 10, 12, 14, 5, 9, 15
#define BGREY_GREEN  BGREY_RED
#define BGREY_BLUE   BGREY_RED

#define VGA_RED      0, 0, 0, 0, 8, 8, 8, 12, 8,  0,  0,  0, 15, 15, 15, 15
#define VGA_GREEN    0, 0, 8, 8, 0, 0, 8, 12, 8,  0, 15, 15,  0,  0, 15, 15
#define VGA_BLUE     0, 8, 0, 8, 0, 8, 0, 12, 8, 15,  0, 15,  0, 15,  0, 15

#define BCT_RED      1,  7,  6, 15, 14, 3, 13, 11, 7, 13, 13, 15, 15, 5, 9, 15
#define BCT_GREEN    1,  7, 13, 12,  5, 3, 13, 11, 7, 14, 15, 15, 14, 5, 9, 15
#define BCT_BLUE     1, 14,  6,  8,  5, 3, 13, 11, 7, 15, 14, 12, 13, 5, 9, 15

#define USER_RED     0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
#define USER_GREEN   USER_RED
#define USER_BLUE    USER_RED

static char mgrlut[LUT][RGB][LUTENTRIES] = {
  { { BW_RED },    { BW_GREEN },    { BW_BLUE } },
  { { GREY_RED },  { GREY_GREEN },  { GREY_BLUE } },
  { { BGREY_RED }, { BGREY_GREEN }, { BGREY_BLUE } },
  { { VGA_RED },   { VGA_GREEN },   { VGA_BLUE } },
  { { BCT_RED },   { BCT_GREEN },   { BCT_BLUE } },
  { { USER_RED },  { USER_GREEN },  { USER_BLUE } }
};

#endif				/* gdevmgr_INCLUDED */