#ifndef _SCREEN_DOME_H_
#define _SCREEN_DOME_H_

#include "screen/ScreenShape.h"

namespace projection
{

/**
  * Dome screen class.
  */
class ScreenDome : public ScreenShape
{
public:

    /**
     * Constructor.
     *
     * @param pScreen Screen data.
     */
    ScreenDome(Screen* pScreen);

    /**
     * Destructor.
     */
    virtual ~ScreenDome();

    /**
     * Retrieve name of the sceen shape.
     *
     * @return Name of the screen shape.
     */
    QString getName() const { return "Dome"; }

    /**
     * Set radius of the dome screen.
     *
     * @param radius Radius of the dome screen.
     */
    void setRadius(double radius);

    /**
     * Retrieve radius of the dome screen.
     *
     * @return Radius of the dome screen.
     */
    double getRadius() const { return m_radius; }

    /**
     * Set elevation resolution of the dome screen.
     *
     * @param resolution Elevation resolution of the dome screen.
     */
    void setElevResolution(unsigned int resolution);

    /**
     * Retrieve elevation resolution of the dome screen.
     *
     * @return Elevation resolution of the dome screen.
     */
    unsigned int getElevResolution() const { return m_elevResolution; }

    /**
     * Set azimuth resolution of the dome screen.
     *
     * @param resolution Azimuth resolution of the dome screen.
     */
    void setAzimResolution(unsigned int resolution);

    /**
     * Retrieve azimuth resolution of the dome screen.
     *
     * @return Azimuth resolution of the dome screen.
     */
    unsigned int getAzimResolution() const { return m_azimResolution; }

    /**
     * Set subdivision steps of the dome screen.
     *
     * @param subdiv Subdivision steps of the dome screen.
     */
    void setSubdivision(unsigned int subdiv);

    /**
     * Retrieve subdivision steps of the dome screen.
     *
     * @return Subdivision steps of the dome screen.
     */
    unsigned int getSubdivision() const { return m_subdiv; }

    /**
     * Select full dome or half dome.
     *
     * @param bFullDome True to select a full dome, False to select a half dome.
     */
    void setFullDome(bool bFullDome);

    /**
     * Check whether full dome or half dome.
     *
     * @return True is a full dome, False is a half dome.
     */
    bool getFullDome() const { return m_bFullDome; }

    /**
     * Retrieve bounding box of the screen shape.
     *
     * @param min One corner of the screen shape.
     * @param max Another corner of the screen shape.
     */
	void getBoundingBox(gmtl::Vec3f& min, gmtl::Vec3f& max);

    /**
     * Restore the screen shape from XML data.
     *
     * @param element Parent XML element of the screen shape data.
     */
	virtual bool initFromDOMElement(const QDomElement& element);

    /**
     * Store the current screen shape as XML data.
     *
     * @param name XML node name of the data.
     * @param doc XML document to store the data.
     * @return Current screen shape data as XML data.
     */
	virtual QDomElement domElement(const QString& name, QDomDocument& doc) const;

protected:

    /**
     * Draw the shape model in inherited class.
     *
     * @param bFrame True to draw a wire frame mesh. False to draw as a polygon model.
     */
    void drawShape(bool bFrame);

protected:

    double m_radius;                //!< Radius.
    unsigned int m_elevResolution;  //!< Elevation resolution.
    unsigned int m_azimResolution;  //!< Azimuth resolution.
    int m_subdiv;                   //!< Subdivision steps.
    bool m_bFullDome;               //!< True is a full dome, False is a half dome.
};

}; // projection

#endif // _SCREEN_DOME_H_