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transformation_base.hh
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1 //------------------------------------------------------------------------------
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4 // Copyright (C) 2008-2020 by the OpenStructure authors
5 // Copyright (C) 2003-2010 by the IPLT authors
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8 // the terms of the GNU Lesser General Public License as published by the Free
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19 //------------------------------------------------------------------------------
20 
21 /*
22  transformation interface
23 
24  Author: Ansgar Philippsen
25 */
26 
27 #ifndef _IMG_TRANSFORMATION_H
28 #define _IMG_TRANSFORMATION_H
29 
30 #include <cmath>
31 
32 #include <ost/img/vecmat.hh>
33 #include <ost/img/extent.hh>
34 #include <ost/img/point.hh>
35 
37 namespace ost { namespace img { namespace alg {
38 
40 
55 public:
56  enum SizeRule {ORIGINAL, FIT};
57 
59  Transformation(const Mat4& tmat);
60  Transformation(const Mat4& tmat,const Mat4& imat);
61 
62  Mat4& Matrix() {return tmat_;}
63  const Mat4& Matrix() const {return tmat_;}
64 
65  Mat4& InverseMatrix() {return imat_;}
66  const Mat4& InverseMatrix() const {return imat_;}
67 
68  Point Apply(const Point& p);
69  Extent Apply(const Extent& e);
70 
71 
72 protected:
73  Mat4 tmat_;
74  Mat4 imat_;
75 };
76 
77 }}} // ns
78 
79 #endif
80 
transformation base class
#define DLLEXPORT_IMG_ALG
Defines lower and upper valid indices.
Definition: extent.hh:60
const Mat4 & InverseMatrix() const
class encapsulating 1D to 3D point
Definition: point.hh:43