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/*  Princed V3 - Prince of Persia Level Editor for PC Version
    Copyright (C) 2003 Princed Development Team

    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  USA

    The authors of this program may be contacted at http://forum.princed.com.ar
*/

/*
compress.h: Princed Resources : Compression headers
����������
 Copyright 2003 Princed Development Team
  Created: 24 Aug 2003

  Author: Enrique Calot <ecalot.cod@princed.com.ar>
  Version: 1.01 (2003-Oct-23)

 Note:
  DO NOT remove this copyright notice
*/

#ifndef _PR_COMPRESS_H_
#define _PR_COMPRESS_H_

#include "common.h"
#include "types.h"  /* tBinary */

#define COMPRESS_RAW    0x00
#define COMPRESS_RLE_LR 0x01
#define COMPRESS_RLE_UD 0x02
#define COMPRESS_LZG_LR 0x03
#define COMPRESS_LZG_UD 0x04

#define COMPRESS_WORKING_ALGORITHMS 5

/* Prototypes */

#define cLevel(a) if (compressionLevel>=a)
#define cHigh     if (compressionHigher)
#define setHigh   compressionHigher=1
#define unsetHigh compressionHigher=0

/***************************************************************\
|                Internal compression prototypes                |
\***************************************************************/

/* compress and sets the bytes */
void compressLzg(const unsigned char* input, int inputSize,
                 unsigned char* output, int *outputSize);
void compressRle(const unsigned char* input, int inputSize,
                 unsigned char* output, int *outputSize);

/* decompress and allocates output */
int expandLzg(tBinary input,
               unsigned char** output, int *outputSize);
int expandRle(/*const unsigned char* input, int inputSize,*/tBinary input,
               unsigned char** output, int *outputSize);
int expandRleV(/*const unsigned char* input, int inputSize,*/tBinary input,
               unsigned char* output, int *outputSize);

#endif