ClanLib  2.3.7
ear_clip_triangulator.h
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1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2011 The ClanLib Team
4 **
5 ** This software is provided 'as-is', without any express or implied
6 ** warranty. In no event will the authors be held liable for any damages
7 ** arising from the use of this software.
8 **
9 ** Permission is granted to anyone to use this software for any purpose,
10 ** including commercial applications, and to alter it and redistribute it
11 ** freely, subject to the following restrictions:
12 **
13 ** 1. The origin of this software must not be misrepresented; you must not
14 ** claim that you wrote the original software. If you use this software
15 ** in a product, an acknowledgment in the product documentation would be
16 ** appreciated but is not required.
17 ** 2. Altered source versions must be plainly marked as such, and must not be
18 ** misrepresented as being the original software.
19 ** 3. This notice may not be removed or altered from any source distribution.
20 **
21 ** Note: Some of the libraries ClanLib may link to may have additional
22 ** requirements or restrictions.
23 **
24 ** File Author(s):
25 **
26 ** Harry Storbacka
27 */
28 
31 
32 #pragma once
33 
34 #include "../api_core.h"
35 #include "../System/sharedptr.h"
36 #include "../Math/point.h"
37 #include <vector>
38 
43 {
44 public:
45  float x1,y1,x2,y2,x3,y3;
46 };
47 
48 class CL_EarClipTriangulator_Impl;
49 class CL_EarClipResult;
50 
55 {
58 };
59 
64 {
67 
68 public:
71 
72  virtual ~CL_EarClipTriangulator();
73 
77 
78 public:
80  std::vector<CL_Pointf> get_vertices();
81 
83  int get_vertice_count();
84 
87 
91 
92 public:
94  void add_vertex(float x, float y);
95 
99  void add_vertex(const CL_Pointf &p);
100 
102  void clear();
103 
105  void set_orientation( CL_PolygonOrientation orientation );
106 
109 
111  void begin_hole();
112 
114  void end_hole();
115 
119 
120 private:
121  CL_SharedPtr<CL_EarClipTriangulator_Impl> impl;
123 };
124