simplefovexporter.h

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/***************************************************************************
                          simplefovexporter.h  -  K Desktop Planetarium
                             -------------------
    begin                : Thu Jul 7 2011
    copyright            : (C) 2011 by Rafał Kułaga
    email                : rl.kulaga@gmail.com
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef SIMPLEFOVEXPORTER_H
#define SIMPLEFOVEXPORTER_H

#include "QList"

class SkyPoint;
class SkyQPainter;
class FOV;
class KStarsData;
class SkyMap;
class QPainter;
class QPaintDevice;

class SimpleFovExporter
{
public:
    SimpleFovExporter();

    void exportFov(SkyPoint *point, FOV *fov, QPaintDevice *pd);

    void exportFov(FOV *fov, QPaintDevice *pd);

    void exportFov(QPaintDevice *pd);

    void exportFov(const QList<SkyPoint*> &points, const QList<FOV*> &fovs, const QList<QPaintDevice*> &pds);

    void exportFov(const QList<SkyPoint*> &points, FOV* fov, const QList<QPaintDevice*> &pds);

    inline bool isClockStopping() { return m_StopClock; }

    inline bool isFovShapeOverriden() { return m_OverrideFovShape; }

    inline bool isFovSymbolDrawn() { return m_DrawFovSymbol; }

    inline void setClockStopping(bool stopping) { m_StopClock = stopping; }

    inline void setFovShapeOverriden(bool override) { m_OverrideFovShape = override; }

    inline void setFovSymbolDrawn(bool draw) { m_DrawFovSymbol = draw; }

    static inline double calculateZoomLevel(int pixelSize, float degrees) { return (pixelSize * 57.3 * 60) / degrees; }

    static inline double calculatePixelSize(float degrees, double zoomLevel) { return degrees * zoomLevel / (57.3 * 60.0); }

private:
    void saveState(bool savePos);

    void restoreState(bool restorePos);

    void pExportFov(SkyPoint *point, FOV* fov, QPaintDevice *pd);

    KStarsData *m_KSData;
    SkyMap *m_Map;

    bool m_StopClock;
    bool m_OverrideFovShape;
    bool m_DrawFovSymbol;

    bool m_PrevClockState;
    bool m_PrevSlewing;
    SkyPoint *m_PrevPoint;
    double m_PrevZoom;
};

#endif // SIMPLEFOVEXPORTER_H