1 /*
2 * This file is a part of the C port of the Poly2Tri library
3 * Porting to C done by (c) Barak Itkin <lightningismyname@gmail.com>
4 * http://code.google.com/p/poly2tri-c/
5 *
6 * Poly2Tri Copyright (c) 2009-2010, Poly2Tri Contributors
7 * http://code.google.com/p/poly2tri/
8 *
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without modification,
12 * are permitted provided that the following conditions are met:
13 *
14 * * Redistributions of source code must retain the above copyright notice,
15 * this list of conditions and the following disclaimer.
16 * * Redistributions in binary form must reproduce the above copyright notice,
17 * this list of conditions and the following disclaimer in the documentation
18 * and/or other materials provided with the distribution.
19 * * Neither the name of Poly2Tri nor the names of its contributors may be
20 * used to endorse or promote products derived from this software without specific
21 * prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
27 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
28 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
29 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
30 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
31 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
32 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
33 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 */
35
36 #include "cdt.h"
37
38 void
p2t_cdt_init(P2tCDT * THIS,P2tPointPtrArray polyline)39 p2t_cdt_init (P2tCDT* THIS, P2tPointPtrArray polyline)
40 {
41 THIS->sweep_context_ = p2t_sweepcontext_new (polyline);
42 THIS->sweep_ = p2t_sweep_new ();
43 }
44
45 P2tCDT*
p2t_cdt_new(P2tPointPtrArray polyline)46 p2t_cdt_new (P2tPointPtrArray polyline)
47 {
48 P2tCDT* THIS = g_slice_new (P2tCDT);
49 p2t_cdt_init (THIS, polyline);
50 return THIS;
51 }
52
53 void
p2t_cdt_destroy(P2tCDT * THIS)54 p2t_cdt_destroy (P2tCDT* THIS)
55 {
56 p2t_sweepcontext_delete (THIS->sweep_context_);
57 p2t_sweep_free (THIS->sweep_);
58 }
59
60 void
p2t_cdt_free(P2tCDT * THIS)61 p2t_cdt_free (P2tCDT* THIS)
62 {
63 p2t_cdt_destroy (THIS);
64 g_slice_free (P2tCDT, THIS);
65 }
66
67 void
p2t_cdt_add_hole(P2tCDT * THIS,P2tPointPtrArray polyline)68 p2t_cdt_add_hole (P2tCDT *THIS, P2tPointPtrArray polyline)
69 {
70 p2t_sweepcontext_add_hole (THIS->sweep_context_, polyline);
71 }
72
73 void
p2t_cdt_add_point(P2tCDT * THIS,P2tPoint * point)74 p2t_cdt_add_point (P2tCDT *THIS, P2tPoint* point)
75 {
76 p2t_sweepcontext_add_point (THIS->sweep_context_, point);
77 }
78
79 void
p2t_cdt_triangulate(P2tCDT * THIS)80 p2t_cdt_triangulate (P2tCDT *THIS)
81 {
82 p2t_sweep_triangulate (THIS->sweep_, THIS->sweep_context_);
83 }
84
85 P2tTrianglePtrArray
p2t_cdt_get_triangles(P2tCDT * THIS)86 p2t_cdt_get_triangles (P2tCDT *THIS)
87 {
88 return p2t_sweepcontext_get_triangles (THIS->sweep_context_);
89 }
90
91 P2tTrianglePtrList
p2t_cdt_get_map(P2tCDT * THIS)92 p2t_cdt_get_map (P2tCDT *THIS)
93 {
94 return p2t_sweepcontext_get_map (THIS->sweep_context_);
95 }
96