/* 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
*/
/*
rlev_decompress.c: Princed Resources : Image Compression Library :
����������������� Run length encoding variant for POP2
Copyright 2003, 2004, 2005, 2006 Princed Development Team
Created: 24 Aug 2003
Author: Enrique Calot <ecalot.cod@princed.com.ar>
Version: 1.01 (2003-Oct-23)
Version: 2.00 (2004-Mar-07)
Note:
DO NOT remove this copyright notice
*/
#include <stdio.h>
#include <stdlib.h>
#include "compress.h"
/* Expands RLEV algorithm */
int expandRleV(tBinary input, unsigned char* output, int *outputSize) {
register unsigned char rep=0;
int oCursor=0;
int iCursor=0;
/* main loop */
while (iCursor<input.size) {
rep=(input.data[iCursor++]);
if (rep&0x80) { /* repeat */
rep&=(~0x80);
rep++;
while (rep--) (output)[oCursor++]=input.data[iCursor];
iCursor++;
} else { /* jump */
rep++;
while ((rep--)&&(iCursor<input.size)) {
(output)[oCursor++]=input.data[iCursor++];
}
}
}
*outputSize=oCursor;
return (rep==255)?PR_RESULT_SUCCESS:PR_RESULT_W_COMPRESS_RESULT_WARNING;
}