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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 _UTIL_H
31 #define _UTIL_H
32 
33 #include "pal.h"
34 #include "rtree.hpp"
35 #include "pointset.h"
36 #include "qgsgeometry.h"
37 
38 namespace pal
39 {
40 
41  class LabelPosition;
42  class Layer;
43  class FeaturePart;
44 
45  QLinkedList<const GEOSGeometry*> * unmulti( const GEOSGeometry* the_geom );
46 
50  class Feats
51  {
52  public:
55  double priority;
56  int nblp;
58  };
59 
60 
62  {
63  int feat;
64  int old_label;
65  int new_label;
66  } ElemTrans;
67 
68  struct Point
69  {
70  double x, y;
71  };
72 
73 #define EPSILON 1e-9
74 
81  void sort( void** items, int N, bool ( *greater )( void *l, void *r ) );
82 
83 } // namespace
84 
85 #endif
FeaturePart * feature
Definition: util.h:53
struct pal::_elementary_transformation ElemTrans
PointSet * shape
Definition: util.h:54
QLinkedList< const GEOSGeometry * > * unmulti(const GEOSGeometry *the_geom)
Definition: util.cpp:113
double x
Definition: util.h:70
For usage in problem solving algorithm.
Definition: util.h:50
double priority
Definition: util.h:55
Main class to handle feature.
Definition: feature.h:203
double y
Definition: util.h:70
LabelPosition ** lPos
Definition: util.h:57
LabelPosition is a candidate feature label position.
Definition: labelposition.h:48
void sort(void **items, int N, bool(*greater)(void *l, void *r))
Sort an array of pointers.
Definition: util.cpp:61
int nblp
Definition: util.h:56