git.maemo.org Git - presencevnc/blob - libvnc/libvncserver/zrleoutstream.h

   1 /*
   2  * Copyright (C) 2002 RealVNC Ltd.  All Rights Reserved.
   3  * Copyright (C) 2003 Sun Microsystems, Inc.
   4  *
   5  * This is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This software is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this software; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
  18  * USA.
  19  */
  20
  21 #ifndef __ZRLE_OUT_STREAM_H__
  22 #define __ZRLE_OUT_STREAM_H__
  23
  24 #include <zlib.h>
  25 #include "zrletypes.h"
  26 #include "rfb/rfb.h"
  27
  28 typedef struct {
  29   zrle_U8 *start;
  30   zrle_U8 *ptr;
  31   zrle_U8 *end;
  32 } zrleBuffer;
  33
  34 typedef struct {
  35   zrleBuffer in;
  36   zrleBuffer out;
  37
  38   z_stream   zs;
  39 } zrleOutStream;
  40
  41 #define ZRLE_BUFFER_LENGTH(b) ((b)->ptr - (b)->start)
  42
  43 zrleOutStream *zrleOutStreamNew           (void);
  44 void           zrleOutStreamFree          (zrleOutStream *os);
  45 rfbBool        zrleOutStreamFlush         (zrleOutStream *os);
  46 void           zrleOutStreamWriteBytes    (zrleOutStream *os,
  47                                            const zrle_U8 *data,
  48                                            int            length);
  49 void           zrleOutStreamWriteU8       (zrleOutStream *os,
  50                                            zrle_U8        u);
  51 void           zrleOutStreamWriteOpaque8  (zrleOutStream *os,
  52                                            zrle_U8        u);
  53 void           zrleOutStreamWriteOpaque16 (zrleOutStream *os,
  54                                            zrle_U16       u);
  55 void           zrleOutStreamWriteOpaque32 (zrleOutStream *os,
  56                                            zrle_U32       u);
  57 void           zrleOutStreamWriteOpaque24A(zrleOutStream *os,
  58                                            zrle_U32       u);
  59 void           zrleOutStreamWriteOpaque24B(zrleOutStream *os,
  60                                            zrle_U32       u);
  61
  62 #endif /* __ZRLE_OUT_STREAM_H__ */