Marble

TileCoordsPyramid.cpp
1// SPDX-License-Identifier: LGPL-2.1-or-later
2
3#include "TileCoordsPyramid.h"
4
5#include <QRect>
6#include <QVector>
7#include <MarbleDebug.h>
8
9#include <algorithm>
10
11namespace Marble
12{
13
14class Q_DECL_HIDDEN TileCoordsPyramid::Private
15{
16public:
17 Private( int const topLevel, int const bottomLevel );
18
19 int m_topLevel;
20 int m_bottomLevel;
21 QRect m_bottomLevelCoords;
22 QVector<int> m_validLevels;
23};
24
25TileCoordsPyramid::Private::Private( int const topLevel, int const bottomLevel )
26 : m_topLevel( topLevel ),
27 m_bottomLevel( bottomLevel )
28{
29 Q_ASSERT( m_topLevel <= m_bottomLevel );
30}
31
32
33TileCoordsPyramid::TileCoordsPyramid( int const topLevel, int const bottomLevel )
34 : d( new Private( topLevel, bottomLevel ))
35{
36}
37
38TileCoordsPyramid::TileCoordsPyramid( TileCoordsPyramid const & other )
39 : d( new Private( *other.d ))
40{
41}
42
43TileCoordsPyramid::TileCoordsPyramid()
44 :d( new Private( 0, 0 ) )
45{
46
47}
48
49TileCoordsPyramid & TileCoordsPyramid::operator=( TileCoordsPyramid const & rhs )
50{
51 TileCoordsPyramid temp( rhs );
52 swap( temp );
53 return *this;
54}
55
56TileCoordsPyramid::~TileCoordsPyramid()
57{
58 delete d;
59}
60
61int TileCoordsPyramid::topLevel() const
62{
63 return d->m_topLevel;
64}
65
66int TileCoordsPyramid::bottomLevel() const
67{
68 return d->m_bottomLevel;
69}
70
71void TileCoordsPyramid::setBottomLevelCoords( QRect const & coords )
72{
73 d->m_bottomLevelCoords = coords;
74}
75
76QRect TileCoordsPyramid::coords( int const level ) const
77{
78 Q_ASSERT( d->m_topLevel <= level && level <= d->m_bottomLevel );
79 int bottomX1, bottomY1, bottomX2, bottomY2;
80 d->m_bottomLevelCoords.getCoords( &bottomX1, &bottomY1, &bottomX2, &bottomY2 );
81 int const deltaLevel = d->m_bottomLevel - level;
82 int const x1 = bottomX1 >> deltaLevel;
83 int const y1 = bottomY1 >> deltaLevel;
84 int const x2 = bottomX2 >> deltaLevel;
85 int const y2 = bottomY2 >> deltaLevel;
86 QRect result;
87 result.setCoords( x1, y1, x2, y2 );
88 return result;
89}
90
91void TileCoordsPyramid::setValidTileLevels(const QVector<int> validLevels)
92{
93 d->m_validLevels = validLevels;
94}
95
96QVector<int> TileCoordsPyramid::validTileLevels()
97{
98 return d->m_validLevels;
99}
100
101qint64 TileCoordsPyramid::tilesCount() const
102{
103 qint64 result = 0;
104 for ( int level = d->m_topLevel; level <= d->m_bottomLevel; ++level ) {
105 if (!d->m_validLevels.isEmpty() && !d->m_validLevels.contains(level)) continue;
106
107 QRect const levelCoords = coords( level );
108 // w*h can exceed 32 bit range, so force 64 bit calculation; see bug 342397
109 result += qint64( levelCoords.width() ) * levelCoords.height();
110 }
111 return result;
112}
113
114void TileCoordsPyramid::swap( TileCoordsPyramid & other )
115{
116 std::swap( d, other.d );
117}
118
119}
QStringView level(QStringView ifopt)
Binds a QML item to a specific geodetic location in screen coordinates.
int height() const const
void setCoords(int x1, int y1, int x2, int y2)
int width() const const
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