bezier_curve.h
1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2016 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 #pragma once
31 
32 #include <memory>
33 #include <vector>
34 
35 namespace clan
36 {
39 
40  class BezierCurve_Impl;
41  class Pointf;
42  class Angle;
43 
46  {
47  public:
49  BezierCurve();
50 
51  virtual ~BezierCurve();
52 
54  std::vector<Pointf> get_control_points() const;
55 
57  void add_control_point(float x, float y);
58 
59  void add_control_point(const Pointf &);
60 
62  std::vector<Pointf> generate_curve_points(const Angle &split_angle);
63 
65  Pointf get_point_relative(float pos_0_to_1) const;
66 
67  private:
68  std::shared_ptr<BezierCurve_Impl> impl;
69  };
70 
72 }
Definition: clanapp.h:35
Angle class.
Definition: angle.h:59
void add_control_point(float x, float y)
Adds a control point to bezier.
BezierCurve()
Constructs a bezier curve generator.
Pointf get_point_relative(float pos_0_to_1) const
Get a point on the bezier curve.
std::vector< Pointf > generate_curve_points(const Angle &split_angle)
Generates points on the bezier curve.
virtual ~BezierCurve()
std::vector< Pointf > get_control_points() const
Returns the control points of the bezier.
2D (x,y) point structure - Float
Definition: point.h:71
Bezier curve generator.
Definition: bezier_curve.h:45