QGIS API Documentation  3.23.0-Master (eb871beae0)
util.h
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1 /*
2  * libpal - Automated Placement of Labels Library
3  *
4  * Copyright (C) 2008 Maxence Laurent, MIS-TIC, HEIG-VD
5  * University of Applied Sciences, Western Switzerland
6  * http://www.hes-so.ch
7  *
8  * Contact:
9  * maxence.laurent <at> heig-vd <dot> ch
10  * or
11  * eric.taillard <at> heig-vd <dot> ch
12  *
13  * This file is part of libpal.
14  *
15  * libpal is free software: you can redistribute it and/or modify
16  * it under the terms of the GNU General Public License as published by
17  * the Free Software Foundation, either version 3 of the License, or
18  * (at your option) any later version.
19  *
20  * libpal is distributed in the hope that it will be useful,
21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23  * GNU General Public License for more details.
24  *
25  * You should have received a copy of the GNU General Public License
26  * along with libpal. If not, see <http://www.gnu.org/licenses/>.
27  *
28  */
29 
30 #ifndef PAL_UTIL_H
31 #define PAL_UTIL_H
32 
33 #define SIP_NO_FILE
34 
35 
36 #include <QList>
37 #include <vector>
38 #include <memory>
39 
40 namespace pal
41 {
42 
43  class LabelPosition;
44  class Layer;
45  class FeaturePart;
46  class PointSet;
47 
53  class Feats
54  {
55  public:
57  Feats() = default;
58 
59  FeaturePart *feature = nullptr;
60  PointSet *shape = nullptr;
61  double priority = 0;
62  std::vector< std::unique_ptr< LabelPosition > > candidates;
63  };
64 
65 
66  struct ElemTrans
67  {
68  int feat;
69  int old_label;
70  int new_label;
71  };
72 
73  struct Point
74  {
75  double x, y;
76  };
77 
78 #define EPSILON 1e-9
79 
86  class Util
87  {
88  public:
89 
90  static QLinkedList<const GEOSGeometry *> *unmulti( const GEOSGeometry *the_geom );
91  };
92 
93 
94 } // namespace
95 
96 Q_DECLARE_TYPEINFO( pal::Point, Q_PRIMITIVE_TYPE );
97 
98 #endif
For usage in problem solving algorithm.
Definition: util.h:54
std::vector< std::unique_ptr< LabelPosition > > candidates
Definition: util.h:62
double priority
Definition: util.h:61
Feats()=default
Constructor for Feats.
PointSet * shape
Definition: util.h:60
FeaturePart * feature
Definition: util.h:59
Main class to handle feature.
Definition: feature.h:65
The underlying raw pal geometry class.
Definition: pointset.h:76
Pal utilities.
Definition: util.h:87
static QLinkedList< const GEOSGeometry * > * unmulti(const GEOSGeometry *the_geom)
Definition: util.cpp:40
int feat
Definition: util.h:68
int new_label
Definition: util.h:70
int old_label
Definition: util.h:69
double y
Definition: util.h:75
double x
Definition: util.h:75
Q_DECLARE_TYPEINFO(pal::Point, Q_PRIMITIVE_TYPE)