OpenStructure
polygon_mask.hh
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1 //------------------------------------------------------------------------------
2 // This file is part of the OpenStructure project <www.openstructure.org>
3 //
4 // Copyright (C) 2008-2020 by the OpenStructure authors
5 // Copyright (C) 2003-2010 by the IPLT authors
6 //
7 // This library is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU Lesser General Public License as published by the Free
9 // Software Foundation; either version 3.0 of the License, or (at your option)
10 // any later version.
11 // This library is distributed in the hope that it will be useful, but WITHOUT
12 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
13 // FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
14 // details.
15 //
16 // You should have received a copy of the GNU Lesser General Public License
17 // along with this library; if not, write to the Free Software Foundation, Inc.,
18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 //------------------------------------------------------------------------------
20 
21 /*
22  Authors: Andreas Schenk, Ansgar Philippsen
23 */
24 
25 #ifndef POLYGON_MASK_HH_
26 #define POLYGON_MASK_HH_
27 
28 #include <ost/img/vecmat.hh>
29 #include "mask_base.hh"
30 
31 namespace ost {
32 
33 namespace img
34 {
37 class DLLEXPORT_OST_IMG_BASE PolygonMask : public MaskBase, public Polygon2
38 {
39 public:
41  PolygonMask(const Polygon2& p);
42  virtual MaskPtr Clone();
43  virtual bool IsInside(const Vec2& v);
44 
45  virtual void Shift(const Vec2& v);
46  virtual void Expand(Real d);
47  virtual void Scale(Real d);
48 
49  virtual void Apply(MaskVisitor& v);
50 
51  void AddNode(const Vec2& n);
52  void SetNode(unsigned int i,const Vec2& v);
53  void Erase(circular_iterator first,circular_iterator last);
54 
55 
56 protected:
57  std::vector<Real> get_intercept_x_values_(Real y);
60  std::vector<Real> intercepts_;
61  Rectangle2 bounding_box_;
62 
63 
64 };
65 
66 }}//ns
67 
68 #endif /*POLYGON_MASK_HH_*/
void AddNode(const Vec2 &n)
std::vector< Real > get_intercept_x_values_(Real y)
void SetNode(unsigned int i, const Vec2 &v)
PolygonMask(const Polygon2 &p)
void Erase(circular_iterator first, circular_iterator last)
virtual void Shift(const Vec2 &v)
std::vector< Real > intercepts_
Definition: polygon_mask.hh:60
virtual void Expand(Real d)
virtual MaskPtr Clone()
virtual void Scale(Real d)
virtual void Apply(MaskVisitor &v)
virtual bool IsInside(const Vec2 &v)
Rectangle2 bounding_box_
Definition: polygon_mask.hh:61
#define DLLEXPORT_OST_IMG_BASE
float Real
Definition: base.hh:44
boost::shared_ptr< MaskBase > MaskPtr
Definition: mask_base_fw.hh:28
Definition: base.dox:1