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__ */ 63