/*..........................................................................*//*                                                                          *//*      L a s t W a v e    P a c k a g e 'compress2d' 2.1                   *//*                                                                          *//*      Copyright (C) 1998-2002 Geoff Davis, Emmanuel Bacry, Jerome Fraleu. *//*                                                                          *//*      The original program was written in C++ by Geoff Davis.             *//*      Then it has been translated in C and adapted to LastWave by         *//*      J. Fraleu and E. Bacry.                                             *//*                                                                          *//*      If you are interested in the C++ code please go to                  *//*          http://www.cs.dartmouth.edu/~gdavis                             *//*                                                                          *//*      emails : geoffd@microsoft.com                                       *//*               fraleu@cmap.polytechnique.fr                               *//*               lastwave@cmap.polytechnique.fr                             *//*                                                                          *//*..........................................................................*//*                                                                          *//*      This program is a 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 (in a file named COPYRIGHT);                *//*      if not, write to the Free Software Foundation, Inc.,                *//*      59 Temple Place, Suite 330, Boston, MA  02111-1307  USA             *//*                                                                          *//*..........................................................................*/#include "lastwave.h"#include "bitio.h"/* * BITOUT */ BITOUT NewBitOut(FILE *out, FILE *log) {  BITOUT b;    b = (BITOUT) Malloc(sizeof(BitOut));    b->output = out;  b->bitLog = log;  b->bitsInBuf = 0;  b->bitBuf = 0;  b->nBytes = 0;    return(b);}void DeleteBitOut(BITOUT b){  Free(b);}int  BitCountBitOut(BITOUT b) {   return(b->bitsInBuf + 8 * b->nBytes); }void PushBitOut(BITOUT b, int bit){  b->bitBuf = (b->bitBuf << 1) | bit;  b->bitsInBuf++;  if (b->bitsInBuf == 8) {    fwrite(&(b->bitBuf),1,1,b->output);	b->nBytes++;	b->bitsInBuf = 0;  }    }void FlushBitOut(BITOUT b){    while (b->bitsInBuf) PushBitOut(b,0);}/* * BITIN */BITIN NewBitIn(FILE *is, FILE *log) {  BITIN b;    b = (BITIN) Malloc(sizeof(BitIn));  b->input = is;  b->bitLog = log;  b->bitsInBuf = 0;  b->bitBuf = 0;  b->bitCount = 0;    return(b);}void DeleteBitIn(BITIN b){  Free(b);}int BitCountBitIn(BITIN b) {   return b->bitCount; }int PullBitIn(BITIN b){  int bit;	  if (!b->bitsInBuf) {    b->bitsInBuf = 8;	fread(&(b->bitBuf),1,1,b->input);  }    bit = (b->bitBuf & 128) >> 7;  b->bitBuf = b->bitBuf << 1;  b->bitsInBuf--;  b->bitCount++;	  return bit;}