bezier_curve.h
1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2013 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 ** Magnus Norddahl
28 */
29 
30 
31 #pragma once
32 
33 #include "../api_core.h"
34 #include <memory>
35 #include <vector>
36 
37 namespace clan
38 {
41 
42 class BezierCurve_Impl;
43 class Pointf;
44 class Angle;
45 
47 class CL_API_CORE BezierCurve
48 {
51 
52 public:
54  BezierCurve();
55 
56  virtual ~BezierCurve();
57 
61 
62 public:
64  std::vector<Pointf> get_control_points() const;
65 
69 
70 public:
72  void add_control_point(float x, float y);
73 
74  void add_control_point(const Pointf &);
75 
77  std::vector<Pointf> generate_curve_points(const Angle &split_angle);
78 
80  Pointf get_point_relative(float pos_0_to_1) const;
81 
85 
86 private:
87  std::shared_ptr<BezierCurve_Impl> impl;
89 };
90 
91 }
92 
Angle class.
Definition: angle.h:63
2D (x,y) point structure - Float
Definition: point.h:73
Bezier curve generator.
Definition: bezier_curve.h:47