/*
   p2.h -- p2 loader enfle plugin
   This file is part of Enfle.

   $Id: p2.h,v 1.1 2000/05/25 15:35:56 sian Exp $

   Base plugin system by Hiroshi Takekawa
                              (c) Hiroshi Takekawa
   Original p2 decode system by Akira Yanagisawa
                              (c) Akira Yanagisawa
   X680*0/MS-DOS/GO32 modified by Noboru Abe
                              (c) Noboru Abe
   Enfle plugin modified by Masaru Nakagawa
                              (c) Masaru Nakagawa

   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, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __p2_h__
#define __p2_h__

#define FORMAT_NAME "P2"

#ifndef BYTE
#define BYTE unsigned char
#define WORD unsigned short
#define DWORD unsigned long
#define UINT unsigned int
#endif
#ifndef True
#define True  1
#define False 0
#endif



typedef signed char schar;
typedef struct tagP2HEAD {
  BYTE		magic[4];
  BYTE		name[18];
  BYTE		subtitle[8];
  BYTE		crlf0[2];
  BYTE		title[30];
  BYTE		crlf1[2];
  BYTE		saver[30];
  BYTE		crlf2[2];
  BYTE		eof;
  BYTE		reserve0;
  WORD		flag;
  WORD		no;
  DWORD		time;
  DWORD		size;
  WORD		depth;
  WORD		x_aspect;
  WORD		y_aspect;
  WORD		x_max;
  WORD		y_max;
  DWORD		reserve1;
} P2HEAD;

typedef struct tagP2BLOCK {
  BYTE		id[4];
  DWORD		size;
  WORD		flag;
  WORD		x_wid;
  WORD		y_wid;
  WORD		x_offset;
  WORD		y_offset;
  DWORD		opaque;
  DWORD		reserve;
} P2BLOCK;

typedef struct tagP2INFO {
  int		left,top;
  int		width,height;
  int		biWidth,biHeight;
  int		x_wid,y_wid;
  int		x_density,y_density;
  BYTE		depth;

  Archive	*ar;
  BYTE		bitcnts;
  BYTE		c;
  
  long		len;
  long		len2;
  long		aa;
  long		dd;
  char		cache_hit_c;
  DWORD		*vram_prev_o;
  DWORD		*vram_now_o;
  DWORD		*vram_next_o;
  DWORD		*vram_prev;
  DWORD		*vram_now;
  DWORD		*vram_next;
  schar		*flag_now_o;
  schar		*flag_next_o;
  schar		*flag2_now_o;
  schar		*flag2_next_o;
  schar		*flag2_next2_o;
  schar		*flag_now;
  schar		*flag_next;
  schar		*flag2_now;
  schar		*flag2_next;
  schar		*flag2_next2;

  WORD		*cache_pos;
  DWORD		*cache;
  WORD		*mulu_tab;

  WORD		ynow;
  DWORD		(*p2ss_read_color)(struct tagP2INFO*,WORD);
  DWORD		(*p2sf_read_color)(struct tagP2INFO*,DWORD);
  void		(*line_expand)(struct tagP2INFO*);
  int		(*lpPrgressCallback)(int,int,long);
  long		ldata;
  
  BYTE		*pHBm;
  long		size;
  
  P2HEAD	p2_head;
  P2BLOCK	p2_block;
} P2INFO;

int p2_load_image(Info *, Image *);

#endif