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geo.cpp
1 /*
2  This file is part of libtdeabc.
3  Copyright (c) 2001 Cornelius Schumacher <schumacher@kde.org>
4 
5  This library is free software; you can redistribute it and/or
6  modify it under the terms of the GNU Library General Public
7  License as published by the Free Software Foundation; either
8  version 2 of the License, or (at your option) any later version.
9 
10  This library is distributed in the hope that it will be useful,
11  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  Library General Public License for more details.
14 
15  You should have received a copy of the GNU Library General Public License
16  along with this library; see the file COPYING.LIB. If not, write to
17  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18  Boston, MA 02110-1301, USA.
19 */
20 
21 #include <tqdatastream.h>
22 
23 #include "geo.h"
24 
25 using namespace TDEABC;
26 
27 Geo::Geo()
28  : mLatitude( 91 ), mLongitude( 181 ), mValidLat( false ), mValidLong( false )
29 {
30 }
31 
32 Geo::Geo( float latitude, float longitude )
33 {
34  setLatitude( latitude );
35  setLongitude( longitude );
36 }
37 
38 void Geo::setLatitude( float latitude )
39 {
40  if ( latitude >= -90 && latitude <= 90 ) {
41  mLatitude = latitude;
42  mValidLat = true;
43  } else {
44  mLatitude = 91;
45  mValidLat = false;
46  }
47 }
48 
49 float Geo::latitude() const
50 {
51  return mLatitude;
52 }
53 
54 void Geo::setLongitude( float longitude)
55 {
56  if ( longitude >= -180 && longitude <= 180 ) {
57  mLongitude = longitude;
58  mValidLong = true;
59  } else {
60  mLongitude = 181;
61  mValidLong = false;
62  }
63 }
64 
65 float Geo::longitude() const
66 {
67  return mLongitude;
68 }
69 
70 bool Geo::isValid() const
71 {
72  return mValidLat && mValidLong;
73 }
74 
75 bool Geo::operator==( const Geo &g ) const
76 {
77  if ( !g.isValid() && !isValid() ) return true;
78  if ( !g.isValid() || !isValid() ) return false;
79  if ( g.mLatitude == mLatitude && g.mLongitude == mLongitude ) return true;
80  return false;
81 }
82 
83 bool Geo::operator!=( const Geo &g ) const
84 {
85  if ( !g.isValid() && !isValid() ) return false;
86  if ( !g.isValid() || !isValid() ) return true;
87  if ( g.mLatitude == mLatitude && g.mLongitude == mLongitude ) return false;
88  return true;
89 }
90 
91 TQString Geo::asString() const
92 {
93  return "(" + TQString::number(mLatitude) + "," + TQString::number(mLongitude) + ")";
94 }
95 
96 TQDataStream &TDEABC::operator<<( TQDataStream &s, const Geo &geo )
97 {
98  return s << (float)geo.mLatitude << (float)geo.mLongitude;
99 }
100 
101 TQDataStream &TDEABC::operator>>( TQDataStream &s, Geo &geo )
102 {
103  s >> geo.mLatitude >> geo.mLongitude;
104 
105  geo.mValidLat = true;
106  geo.mValidLong = true;
107 
108  return s;
109 }
TDEABC::Geo
Geographic position.
Definition: geo.h:36
TDEABC::Geo::asString
TQString asString() const
Returns string representation of geographical position.
Definition: geo.cpp:91
TDEABC::Geo::setLongitude
void setLongitude(float)
Sets the longitude.
Definition: geo.cpp:54
TDEABC::Geo::Geo
Geo()
Construct invalid geographics position object.
Definition: geo.cpp:27
TDEABC::Geo::isValid
bool isValid() const
Returns, if this object contains a valid geographical position.
Definition: geo.cpp:70
TDEABC::Geo::setLatitude
void setLatitude(float)
Sets the latitude.
Definition: geo.cpp:38
TDEABC::Geo::longitude
float longitude() const
Returns the longitude.
Definition: geo.cpp:65
TDEABC::Geo::latitude
float latitude() const
Returns the latitude.
Definition: geo.cpp:49
TDEABC
static data, shared by ALL addressee objects
Definition: address.h:48

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