00001 /* 00002 Situare - A location system for Facebook 00003 Copyright (C) 2010 Ixonos Plc. Authors: 00004 00005 Kaj Wallin - kaj.wallin@ixonos.com 00006 00007 Situare is free software; you can redistribute it and/or 00008 modify it under the terms of the GNU General Public License 00009 version 2 as published by the Free Software Foundation. 00010 00011 Situare is distributed in the hope that it will be useful, 00012 but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 GNU General Public License for more details. 00015 00016 You should have received a copy of the GNU General Public License 00017 along with Situare; if not, write to the Free Software 00018 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 00019 USA. 00020 */ 00021 00022 00023 #ifndef MAPSCALE_H 00024 #define MAPSCALE_H 00025 00026 #include <QWidget> 00027 00028 class QLineF; 00029 00035 class MapScale : public QWidget 00036 { 00037 Q_OBJECT 00038 00039 public: 00045 MapScale(QWidget *parent = 0); 00046 00047 /******************************************************************************* 00048 * BASE CLASS INHERITED AND REIMPLEMENTED MEMBER FUNCTIONS 00049 ******************************************************************************/ 00056 void paintEvent(QPaintEvent *event); 00057 00058 /****************************************************************************** 00059 * MEMBER FUNCTIONS AND SLOTS 00060 ******************************************************************************/ 00061 private: 00069 qreal roundToBaseScale(qreal value); 00070 00071 public slots: 00077 void updateMapResolution(const qreal &resolution); 00078 00079 /******************************************************************************* 00080 * DATA MEMBERS 00081 ******************************************************************************/ 00082 private: 00083 qreal m_centerLineImperial; 00084 qreal m_centerLineMetric; 00085 QString m_imperialText; 00086 QString m_metricText; 00087 }; 00088 00089 #endif // MAPSCALE_H