ClanLib  2.3.7
bezier_curve.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.
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18 ** misrepresented as being the original software.
19 ** 3. This notice may not be removed or altered from any source distribution.
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21 ** Note: Some of the libraries ClanLib may link to may have additional
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23 **
24 ** File Author(s):
25 **
26 ** Harry Storbacka
27 ** Magnus Norddahl
28 */
29 
32 
33 #pragma once
34 
35 #include "../api_core.h"
36 #include "../System/sharedptr.h"
37 #include <vector>
38 
39 class CL_BezierCurve_Impl;
40 class CL_Pointf;
41 
46 {
49 
50 public:
53 
54  virtual ~CL_BezierCurve();
55 
59 
60 public:
62  std::vector<CL_Pointf> get_control_points() const;
63 
67 
68 public:
70  void add_control_point(float x, float y);
71 
72  void add_control_point(const CL_Pointf &);
73 
75  std::vector<CL_Pointf> generate_curve_points(const CL_Angle &split_angle);
76 
78  CL_Pointf get_point_relative(float pos_0_to_1) const;
79 
83 
84 private:
85  CL_SharedPtr<CL_BezierCurve_Impl> impl;
87 };
88