From 9b8745d5250c9d0b60c9aa5a77f58a3fcddf1076 Mon Sep 17 00:00:00 2001 From: Tom Schouten Date: Tue, 21 Jan 2003 10:27:33 +0000 Subject: This commit was generated by cvs2svn to compensate for changes in r352, which included commits to RCS files with non-trunk default branches. svn path=/trunk/externals/pdp/; revision=353 --- scaf/include/pdp_ca.h | 71 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 scaf/include/pdp_ca.h (limited to 'scaf/include/pdp_ca.h') diff --git a/scaf/include/pdp_ca.h b/scaf/include/pdp_ca.h new file mode 100644 index 0000000..acaeea7 --- /dev/null +++ b/scaf/include/pdp_ca.h @@ -0,0 +1,71 @@ +/* + * Cellular Automata Extension Module for pdp - Main header file + * Copyright (c) by Tom Schouten + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#ifndef PDP_CA_H +#define PDP_CA_H + +#include "pdp.h" + + + +/* 2D CA DATA PACKET */ +typedef struct +{ + unsigned int encoding; /* CA data format */ + unsigned int width; /* CA width (in 1 bit cells) */ + unsigned int height; /* CA height (in 1 bit cells) */ + unsigned int offset; /* bit offset of upper left corner */ + +} t_ca; + +/* CA encodings */ +#define PDP_CA_STANDARD 1 /* rectangular CA */ + +/* pdp data packet types */ +#define PDP_CA 2 /* 1bit toroidial shifted scanline encoded cellular automaton */ + + +/* all symbols are C-style */ +#ifdef __cplusplus +extern "C" +{ +#endif + + +/* some utility methods for CA */ +int pdp_type_isvalid_ca(int packet); +int pdp_type_ca2grey(int packet); +int pdp_type_grey2ca(int packet, short int threshold); + +/* returns a pointer to the ca subheader given the pdp header */ +t_ca *pdp_type_ca_info(t_pdp *x); + +/* mmx feeder routine */ +unsigned long long scaf_feeder(void *tos, void *reg, void (*ca_rule)(void), void *env); + + + + + +#ifdef __cplusplus +} +#endif + +#endif //PDP_CA_H -- cgit v1.2.1