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00001 /* 00002 * Copyright (C) 2009 Fabien Chereau 00003 * 00004 * This program is free software; you can redistribute it and/or 00005 * modify it under the terms of the GNU General Public License 00006 * as published by the Free Software Foundation; either version 2 00007 * of the License, or (at your option) any later version. 00008 * 00009 * This program is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 * GNU General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU General Public License 00015 * along with this program; if not, write to the Free Software 00016 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00017 */ 00018 00019 #ifndef STELSKYLAYER_HPP 00020 #define STELSKYLAYER_HPP 00021 00022 #include <QObject> 00023 #include <QString> 00024 #include <QSharedPointer> 00025 00026 class StelCore; 00027 class StelPainter; 00028 00032 class StelSkyLayer : public QObject 00033 { 00034 Q_OBJECT 00035 public: 00036 StelSkyLayer(QObject* parent=NULL) : QObject(parent) {;} 00037 00039 virtual void draw(StelCore* core, StelPainter& sPainter, float opacity=1.)=0; 00040 00042 virtual QString getShortName() const =0; 00043 00045 virtual QString getShortServerCredits() const {return QString();} 00046 00049 virtual QString getKeyHint() const {return getShortName();} 00050 00053 virtual QString getLayerDescriptionHtml() const {return "No description.";} 00054 00055 signals: 00058 void loadingStateChanged(bool b); 00059 00062 void percentLoadedChanged(int percentage); 00063 }; 00064 00067 00070 typedef QSharedPointer<StelSkyLayer> StelSkyLayerP; 00071 00072 #endif // STELSKYLAYER_HPP