geo.cpp
/*
This file is part of libkabc.
Copyright (c) 2001 Cornelius Schumacher <schumacher@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <qdatastream.h>
#include "geo.h"
using namespace KABC;
Geo::Geo()
: mLatitude( 91 ), mLongitude( 181 ), mValidLat( false ), mValidLong( false )
{
}
Geo::Geo( float latitude, float longitude )
{
setLatitude( latitude );
setLongitude( longitude );
}
void Geo::setLatitude( float latitude )
{
if ( latitude >= -90 && latitude <= 90 ) {
mLatitude = latitude;
mValidLat = true;
} else {
mLatitude = 91;
mValidLat = false;
}
}
float Geo::latitude() const
{
return mLatitude;
}
void Geo::setLongitude( float longitude)
{
if ( longitude >= -180 && longitude <= 180 ) {
mLongitude = longitude;
mValidLong = true;
} else {
mLongitude = 181;
mValidLong = false;
}
}
float Geo::longitude() const
{
return mLongitude;
}
bool Geo::isValid() const
{
return mValidLat && mValidLong;
}
bool Geo::operator==( const Geo &g ) const
{
if ( !g.isValid() && !isValid() ) return true;
if ( !g.isValid() || !isValid() ) return false;
if ( g.mLatitude == mLatitude && g.mLongitude == mLongitude ) return true;
return false;
}
bool Geo::operator!=( const Geo &g ) const
{
if ( !g.isValid() && !isValid() ) return false;
if ( !g.isValid() || !isValid() ) return true;
if ( g.mLatitude == mLatitude && g.mLongitude == mLongitude ) return false;
return true;
}
QString Geo::asString() const
{
return "(" + QString::number(mLatitude) + "," + QString::number(mLongitude) + ")";
}
QDataStream &KABC::operator<<( QDataStream &s, const Geo &geo )
{
return s << (float)geo.mLatitude << (float)geo.mLongitude;
}
QDataStream &KABC::operator>>( QDataStream &s, Geo &geo )
{
s >> geo.mLatitude >> geo.mLongitude;
geo.mValidLat = true;
geo.mValidLong = true;
return s;
}
KABC::Geo::longitude
float longitude() const
Returns the longitude.
Definition: geo.cpp:65
KABC::Geo::latitude
float latitude() const
Returns the latitude.
Definition: geo.cpp:49
KABC::Geo::isValid
bool isValid() const
Returns, if this object contains a valid geographical position.
Definition: geo.cpp:70
KABC::Geo::setLongitude
void setLongitude(float)
Sets the longitude.
Definition: geo.cpp:54
KABC::Geo
Geographic position.
Definition: geo.h:35
KABC::Geo::Geo
Geo()
Construct invalid geographics position object.
Definition: geo.cpp:27
KABC::Geo::asString
QString asString() const
Returns string representation of geographical position.
Definition: geo.cpp:91
KABC::Geo::setLatitude
void setLatitude(float)
Sets the latitude.
Definition: geo.cpp:38

KDE Home | KDE Accessibility Home | Description of Access Keys