SegPoint.hh
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1 /* -*- mia-c++ -*-
2  *
3  * This file is part of MIA - a toolbox for medical image analysis
4  * Copyright (c) Leipzig, Madrid 1999-2013 Gert Wollny
5  *
6  * MIA is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with MIA; if not, see <http://www.gnu.org/licenses/>.
18  *
19  */
20 
21 #ifndef mia_2d_SegPoint_hh
22 #define mia_2d_SegPoint_hh
23 
24 namespace xmlpp {
25  class Node;
26 };
27 
28 #include <mia/2d/vector.hh>
29 #include <mia/2d/defines2d.hh>
30 #include <mia/2d/transform.hh>
31 
33 
43 public:
44  CSegPoint2D();
45 
47  CSegPoint2D(const C2DFVector& org);
48 
50  CSegPoint2D& operator = (const C2DFVector& org);
51 
57  CSegPoint2D(float x, float y);
58 
63  CSegPoint2D(const xmlpp::Node& node);
64 
68  void write(xmlpp::Node& node) const;
69 
74  void transform(const C2DTransformation& t);
75 
81  void inv_transform(const C2DTransformation& t);
82 };
83 
84 
85 template <typename T>
86 void read_attribute_from_node(const xmlpp::Element& elm, const std::string& key, T& out_value, bool required = false)
87 {
88  auto attr = elm.get_attribute(key);
89  if (!attr) {
90  if (required)
91  throw create_exception<std::runtime_error>( elm.get_name(), ":required attribute '", key, "' not found");
92  else
93  return;
94  }
95 
96  if (!from_string(attr->get_value(), out_value))
97  throw create_exception<std::runtime_error>( elm.get_name(), ":attribute '", key, "' has bogus value '",
98  attr->get_value(), "'");
99 }
100 
101 
102 void read_attribute_from_node(const xmlpp::Element& elm, const std::string& key, bool& out_value, bool required = false);
103 
105 
106 #endif