2 * Copyright (C) 2002 RealVNC Ltd. All Rights Reserved.
3 * Copyright (C) 2003 Sun Microsystems, Inc.
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.
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.
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,
22 * The PaletteHelper class helps us build up the palette from pixel data by
23 * storing a reverse index using a simple hash-table
26 #ifndef __ZRLE_PALETTE_HELPER_H__
27 #define __ZRLE_PALETTE_HELPER_H__
29 #include "zrletypes.h"
31 #define ZRLE_PALETTE_MAX_SIZE 127
34 zrle_U32 palette[ZRLE_PALETTE_MAX_SIZE];
35 zrle_U8 index[ZRLE_PALETTE_MAX_SIZE + 4096];
36 zrle_U32 key[ZRLE_PALETTE_MAX_SIZE + 4096];
40 void zrlePaletteHelperInit (zrlePaletteHelper *helper);
41 void zrlePaletteHelperInsert(zrlePaletteHelper *helper,
43 int zrlePaletteHelperLookup(zrlePaletteHelper *helper,
46 #endif /* __ZRLE_PALETTE_HELPER_H__ */