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Revision 31 - (show annotations) (download)
Mon Feb 4 17:41:59 2013 UTC (11 years, 1 month ago) by zoff99
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new map version, lots of fixes and experimental new features
1 /*
2 * This file is a part of Poly2Tri-C
3 * (c) Barak Itkin <lightningismyname@gmail.com>
4 * http://code.google.com/p/poly2tri-c/
5 *
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without modification,
9 * are permitted provided that the following conditions are met:
10 *
11 * * Redistributions of source code must retain the above copyright notice,
12 * this list of conditions and the following disclaimer.
13 * * Redistributions in binary form must reproduce the above copyright notice,
14 * this list of conditions and the following disclaimer in the documentation
15 * and/or other materials provided with the distribution.
16 * * Neither the name of Poly2Tri nor the names of its contributors may be
17 * used to endorse or promote products derived from this software without specific
18 * prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #ifndef __P2TC_REFINE_UTILS_H__
34 #define __P2TC_REFINE_UTILS_H__
35
36 #ifdef __cplusplus
37 extern "C"
38 {
39 #endif
40
41 #include <glib.h>
42
43 /* The code for the Hash Set is partially based on the example given at
44 * http://developer.gnome.org/glib/2.29/glib-Hash-Tables.html
45 */
46
47 typedef GHashTable P2trHashSet;
48 typedef GHashTableIter P2trHashSetIter;
49
50 #define p2tr_hash_set_new_default() g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, NULL)
51 #define p2tr_hash_set_new(hash_func, equal_func, destroy) g_hash_table_new_full ((hash_func), (equal_func), (destroy),NULL)
52 #define p2tr_hash_set_insert(set,element) \
53 G_STMT_START \
54 { \
55 /* The "obvious" code (presented below) won't work: */ \
56 /* g_hash_table_insert ((set), (element), (element)) */ \
57 /* since it will cause double evaluation of (element) which is a */ \
58 /* problem! */ \
59 gpointer P2TR_HASH_SET_ELEM = (element); \
60 g_hash_table_insert ((set), P2TR_HASH_SET_ELEM, P2TR_HASH_SET_ELEM); \
61 } \
62 G_STMT_END
63 #define p2tr_hash_set_contains(set,element) g_hash_table_lookup_extended ((set), (element), NULL, NULL)
64 #define p2tr_hash_set_remove(set,element) g_hash_table_remove ((set), (element))
65 #define p2tr_hash_set_remove_all(set) g_hash_table_remove_all ((set))
66 #define p2tr_hash_set_free(set) g_hash_table_destroy(set)
67 #define p2tr_hash_set_size(set) g_hash_table_size(set)
68
69 #define p2tr_hash_set_iter_init(iter,hash_set) g_hash_table_iter_init ((iter),(hash_set))
70 #define p2tr_hash_set_iter_next(iter,val) g_hash_table_iter_next ((iter),(val),NULL)
71 #define p2tr_hash_set_iter_remove(iter) g_hash_table_iter_remove ((iter))
72
73 #define g_list_cyclic_prev(list,elem) (((elem)->prev != NULL) ? (elem)->prev : g_list_last ((elem)))
74 #define g_list_cyclic_next(list,elem) (((elem)->next != NULL) ? (elem)->next : g_list_first ((elem)))
75
76 #define foreach(iter,list) for ((iter) = (list); (iter) != NULL; (iter) = (iter)->next)
77
78 #define p2tr_exception_numeric g_error
79 #define p2tr_exception_programmatic g_error
80 #define p2tr_exception_geometric g_error
81
82 GList* p2tr_utils_new_reversed_pointer_list (int count, ...);
83
84 #ifdef __cplusplus
85 }
86 #endif
87
88 #endif

   
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