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Code

display direction from gpsd

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This commit is contained in:
Niels 2010-07-21 21:18:51 +02:00
parent 31392488d2
commit f550a9a873
2 changed files with 44 additions and 3 deletions
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43
gpslayer.cpp
View File

@ -27,10 +27,16 @@
GpsLayer::GpsLayer(MapWidget *map) :
AbstractLayer(map),
m_gps(new GpsClient(this)),
m_pos(QPointF(9.8, 54))
m_pos(QPointF(9.8, 54)),
m_alt(0),
m_track(0),
m_speed(0)
{
setVisible(false);
connect(m_gps, SIGNAL(position(QPointF)), this, SLOT(position(QPointF)));
connect(m_gps, SIGNAL(altitude(qreal)), this, SLOT(altitude(qreal)));
connect(m_gps, SIGNAL(direction(qreal)), this, SLOT(direction(qreal)));
connect(m_gps, SIGNAL(speed(qreal)), this, SLOT(speed(qreal)));
connect(m_gps, SIGNAL(connected()), this, SLOT(connected()));
connect(m_gps, SIGNAL(disconnected()), this, SLOT(disconnected()));
m_gps->connectGps();
@ -55,10 +61,17 @@ void GpsLayer::paint(QPainter *painter)
{
QPoint pos = map()->geo2screen(m_pos.x(), m_pos.y());
painter->drawPoint(pos);
painter->setRenderHint(QPainter::Antialiasing, true);
painter->setPen(QPen(QBrush(QColor(0, 0, 255, 110)), 4));
painter->setPen(QPen(QColor(0, 0, 255, 110), 4));
painter->drawEllipse(pos, 8, 8);
painter->setPen(QPen(QColor(0, 0, 255, 210), 2, Qt::SolidLine, Qt::RoundCap, Qt::MiterJoin));
painter->translate(pos);
painter->rotate(m_track);
painter->drawLine(QPoint(4, 3), QPoint(0, -7));
painter->drawLine(QPoint(-4, 3), QPoint(0, -7));
painter->drawLine(QPoint(4, 3), QPoint(0, 0));
painter->drawLine(QPoint(-4, 3), QPoint(0, 0));
}
void GpsLayer::position(const QPointF &pos)
@ -69,6 +82,30 @@ void GpsLayer::position(const QPointF &pos)
}
}
void GpsLayer::altitude(qreal alt)
{
m_alt = alt;
if (isVisible()) {
map()->update();
}
}
void GpsLayer::direction(qreal track)
{
m_track = track;
if (isVisible()) {
map()->update();
}
}
void GpsLayer::speed(qreal speed)
{
m_speed = speed;
if (isVisible()) {
map()->update();
}
}
void GpsLayer::connected()
{
setVisible(true);

4
gpslayer.h
View File

@ -40,12 +40,16 @@ protected:
private slots:
void position(const QPointF &pos);
void altitude(qreal alt);
void direction(qreal track);
void speed(qreal speed);
void connected();
void disconnected();
private:
GpsClient *m_gps;
QPointF m_pos;
qreal m_alt, m_track, m_speed;
};