Anti-Grain Geometry Tutorial
agg_rounded_rect.h
1 //----------------------------------------------------------------------------
2 // Anti-Grain Geometry - Version 2.4
3 // Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com)
4 //
5 // Permission to copy, use, modify, sell and distribute this software
6 // is granted provided this copyright notice appears in all copies.
7 // This software is provided "as is" without express or implied
8 // warranty, and with no claim as to its suitability for any purpose.
9 //
10 //----------------------------------------------------------------------------
11 // Contact: mcseem@antigrain.com
12 // mcseemagg@yahoo.com
13 // http://www.antigrain.com
14 //----------------------------------------------------------------------------
15 //
16 // Rounded rectangle vertex generator
17 //
18 //----------------------------------------------------------------------------
19 
20 #ifndef AGG_ROUNDED_RECT_INCLUDED
21 #define AGG_ROUNDED_RECT_INCLUDED
22 
23 #include "agg_basics.h"
24 #include "agg_arc.h"
25 
26 namespace agg
27 {
28  //------------------------------------------------------------rounded_rect
29  //
30  // See Implemantation agg_rounded_rect.cpp
31  //
32  class rounded_rect
33  {
34  public:
35  rounded_rect() {}
36  rounded_rect(double x1, double y1, double x2, double y2, double r);
37 
38  void rect(double x1, double y1, double x2, double y2);
39  void radius(double r);
40  void radius(double rx, double ry);
41  void radius(double rx_bottom, double ry_bottom, double rx_top, double ry_top);
42  void radius(double rx1, double ry1, double rx2, double ry2,
43  double rx3, double ry3, double rx4, double ry4);
44  void normalize_radius();
45 
46  void approximation_scale(double s) { m_arc.approximation_scale(s); }
47  double approximation_scale() const { return m_arc.approximation_scale(); }
48 
49  void rewind(unsigned);
50  unsigned vertex(double* x, double* y);
51 
52  private:
53  double m_x1;
54  double m_y1;
55  double m_x2;
56  double m_y2;
57  double m_rx1;
58  double m_ry1;
59  double m_rx2;
60  double m_ry2;
61  double m_rx3;
62  double m_ry3;
63  double m_rx4;
64  double m_ry4;
65  unsigned m_status;
66  arc m_arc;
67  };
68 
69 }
70 
71 #endif
72 
agg::rounded_rect
Definition: agg_rounded_rect.h:32
agg
Definition: agg_arc.cpp:24