/* * Copyright (c) 1999-2000 Image Power, Inc. and the University of *   British Columbia. * Copyright (c) 2001-2002 Michael David Adams. * All rights reserved. */ /* __START_OF_JASPER_LICENSE__ *  * JasPer License Version 2.0 *  * Copyright (c) 2001-2006 Michael David Adams * Copyright (c) 1999-2000 Image Power, Inc. * Copyright (c) 1999-2000 The University of British Columbia *  * All rights reserved. *  * Permission is hereby granted, free of charge, to any person (the * "User") obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without restriction, * including without limitation the rights to use, copy, modify, merge, * publish, distribute, and/or sell copies of the Software, and to permit * persons to whom the Software is furnished to do so, subject to the * following conditions: *  * 1.  The above copyright notices and this permission notice (which * includes the disclaimer below) shall be included in all copies or * substantial portions of the Software. *  * 2.  The name of a copyright holder shall not be used to endorse or * promote products derived from the Software without specific prior * written permission. *  * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS * LICENSE.  NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER * THIS DISCLAIMER.  THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.  IN NO * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.  NO ASSURANCES ARE * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL * PROPERTY RIGHTS OR OTHERWISE.  AS A CONDITION TO EXERCISING THE RIGHTS * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY.  THE SOFTWARE * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH * RISK ACTIVITIES").  THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. *  * __END_OF_JASPER_LICENSE__ */ /* * Tag Tree Library * * $Id$ */ #ifndef JPC_TAGTREE_H#define JPC_TAGTREE_H /******************************************************************************\* Includes\******************************************************************************/ #include "jpc_bs.h" /******************************************************************************\* Constants\******************************************************************************/ /* The maximum allowable depth for a tag tree. */#define JPC_TAGTREE_MAXDEPTH	32 /******************************************************************************\* Types\******************************************************************************/ /* * Tag tree node. */ typedef struct jpc_tagtreenode_ { 	/* The parent of this node. */	struct jpc_tagtreenode_ *parent_; 	/* The value associated with this node. */	int value_; 	/* The lower bound on the value associated with this node. */	int low_; 	/* A flag indicating if the value is known exactly. */	int known_; } jpc_tagtreenode_t; /* * Tag tree. */ typedef struct { 	/* The number of leaves in the horizontal direction. */	int numleafsh_; 	/* The number of leaves in the vertical direction. */	int numleafsv_; 	/* The total number of nodes in the tree. */	int numnodes_; 	/* The nodes. */	jpc_tagtreenode_t *nodes_; } jpc_tagtree_t; /******************************************************************************\* Functions.\******************************************************************************/ /* Create a tag tree. */jpc_tagtree_t *jpc_tagtree_create(int numleafsh, int numleafsv); /* Destroy a tag tree. */void jpc_tagtree_destroy(jpc_tagtree_t *tree); /* Copy data from one tag tree to another. */void jpc_tagtree_copy(jpc_tagtree_t *dsttree, const jpc_tagtree_t *srctree); /* Reset the tag tree state. */void jpc_tagtree_reset(jpc_tagtree_t *tree); /* Set the value associated with a particular leaf node of a tag tree. */void jpc_tagtree_setvalue(jpc_tagtree_t *tree, jpc_tagtreenode_t *leaf,  int value); /* Get a pointer to a particular leaf node. */JAS_ATTRIBUTE_PUREjpc_tagtreenode_t *jpc_tagtree_getleaf(jpc_tagtree_t *tree, int n); /* Invoke the tag tree decoding procedure. */int jpc_tagtree_decode(jpc_tagtree_t *tree, jpc_tagtreenode_t *leaf,  int threshold, jpc_bitstream_t *in); /* Invoke the tag tree encoding procedure. */int jpc_tagtree_encode(jpc_tagtree_t *tree, jpc_tagtreenode_t *leaf,  int threshold, jpc_bitstream_t *out); /* Dump a tag tree (for debugging purposes). */void jpc_tagtree_dump(const jpc_tagtree_t *tree, FILE *out); #endif