QGIS API Documentation 3.40.0-Bratislava (b56115d8743)
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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 PAL_UTIL_H
31#define PAL_UTIL_H
32
33#define SIP_NO_FILE
34
35
36#include <QList>
37#include <QLinkedList>
38#include <vector>
39#include <memory>
40
41typedef struct GEOSGeom_t GEOSGeometry;
42
43namespace pal
44{
45
46 class LabelPosition;
47 class Layer;
48 class FeaturePart;
49 class PointSet;
50
56 class Feats
57 {
58 public:
59
60 Feats() = default;
61
62 FeaturePart *feature = nullptr;
63 PointSet *shape = nullptr;
64 double priority = 0;
65 std::vector< std::unique_ptr< LabelPosition > > candidates;
66 };
67
68
69 struct ElemTrans
70 {
71 int feat;
74 };
75
76 struct Point
77 {
78 double x, y;
79 };
80
81#define EPSILON 1e-9
82
89 class Util
90 {
91 public:
92
93 static QLinkedList<const GEOSGeometry *> *unmulti( const GEOSGeometry *the_geom );
94 };
95
96
97} // namespace
98
99Q_DECLARE_TYPEINFO( pal::Point, Q_PRIMITIVE_TYPE );
100
101#endif
For usage in problem solving algorithm.
Definition util.h:57
std::vector< std::unique_ptr< LabelPosition > > candidates
Definition util.h:65
double priority
Definition util.h:64
Feats()=default
PointSet * shape
Definition util.h:63
FeaturePart * feature
Definition util.h:62
Main class to handle feature.
Definition feature.h:65
The underlying raw pal geometry class.
Definition pointset.h:77
Pal utilities.
Definition util.h:90
static QLinkedList< const GEOSGeometry * > * unmulti(const GEOSGeometry *the_geom)
Definition util.cpp:36
int new_label
Definition util.h:73
int old_label
Definition util.h:72
double y
Definition util.h:78
double x
Definition util.h:78
struct GEOSGeom_t GEOSGeometry
Definition util.h:41
Q_DECLARE_TYPEINFO(pal::Point, Q_PRIMITIVE_TYPE)