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36
37 #include "qgeotiledmap_nokia.h"
38 #include "qgeotiledmappingmanagerengine_nokia.h"
39
40 #include <QDebug>
41 #include <QObject>
42 #include <QColor>
43 #include <QFont>
44 #include <QPainter>
45 #include <QImage>
46 #include <QRect>
47
48 #include <QStaticText>
49
50 QT_BEGIN_NAMESPACE
51
52 /*
53 Constructs a new tiled map data object, which stores the map data required by
54 \a geoMap and makes use of the functionality provided by \a engine.
55 */
QGeoTiledMapNokia(QGeoTiledMappingManagerEngineNokia * engine,QObject * parent)56 QGeoTiledMapNokia::QGeoTiledMapNokia(QGeoTiledMappingManagerEngineNokia *engine, QObject *parent /*= 0*/) :
57 Map(engine, parent),
58 m_logo(":/nokia/logo.png"), // HERE logo image
59 m_engine(engine)
60 {}
61
~QGeoTiledMapNokia()62 QGeoTiledMapNokia::~QGeoTiledMapNokia() {}
63
evaluateCopyrights(const QSet<QGeoTileSpec> & visibleTiles)64 void QGeoTiledMapNokia::evaluateCopyrights(const QSet<QGeoTileSpec> &visibleTiles)
65 {
66 const int spaceToLogo = 4;
67 const int blurRate = 1;
68 const int fontSize = 10;
69
70 if (m_engine.isNull())
71 return;
72
73 const QString copyrightsString = m_engine->evaluateCopyrightsText(activeMapType(), cameraData().zoomLevel(), visibleTiles);
74
75 if (viewportWidth() > 0 && viewportHeight() > 0 && ((copyrightsString.isNull() && m_copyrightsSlab.isNull()) || copyrightsString != m_lastCopyrightsString)) {
76 QFont font("Sans Serif");
77 font.setPixelSize(fontSize);
78 font.setStyleHint(QFont::SansSerif);
79 font.setWeight(QFont::Bold);
80
81 QRect textBounds = QFontMetrics(font).boundingRect(0, 0, viewportWidth(), viewportHeight(), Qt::AlignBottom | Qt::AlignLeft | Qt::TextWordWrap, copyrightsString);
82
83 m_copyrightsSlab = QImage(m_logo.width() + textBounds.width() + spaceToLogo + blurRate * 2,
84 qMax(m_logo.height(), textBounds.height() + blurRate * 2),
85 QImage::Format_ARGB32_Premultiplied);
86 m_copyrightsSlab.fill(Qt::transparent);
87
88 QPainter painter(&m_copyrightsSlab);
89 painter.drawImage(QPoint(0, m_copyrightsSlab.height() - m_logo.height()), m_logo);
90 painter.setFont(font);
91 painter.setPen(QColor(0, 0, 0, 64));
92 painter.translate(spaceToLogo + m_logo.width(), -blurRate);
93 for (int x=-blurRate; x<=blurRate; ++x) {
94 for (int y=-blurRate; y<=blurRate; ++y) {
95 painter.drawText(x, y, textBounds.width(), m_copyrightsSlab.height(),
96 Qt::AlignBottom | Qt::AlignLeft | Qt::TextWordWrap,
97 copyrightsString);
98 }
99 }
100 painter.setPen(Qt::white);
101 painter.drawText(0, 0, textBounds.width(), m_copyrightsSlab.height(),
102 Qt::AlignBottom | Qt::AlignLeft | Qt::TextWordWrap,
103 copyrightsString);
104 painter.end();
105
106 m_lastCopyrightsString = copyrightsString;
107 }
108
109 emit copyrightsChanged(m_copyrightsSlab);
110 }
111
112 QT_END_NAMESPACE
113
