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#ifndef _SV_MAPMOD_HXX
#define _SV_MAPMOD_HXX

#include <tools/gen.hxx>
#include <tools/fract.hxx>
#include <vcl/sv.h>
#include <vcl/dllapi.h>
#include <tools/resid.hxx>
#include <tools/mapunit.hxx>

class SvStream;

// --------------
// - ImplMapMode -
// --------------

class	OutputDevice;

class ImplMapMode
{
    friend class	MapMode;
    friend class	OutputDevice;

private:
    sal_uLong			mnRefCount;
    MapUnit 		meUnit;
    Point			maOrigin;
    Fraction		maScaleX;
    Fraction		maScaleY;
    sal_Bool			mbSimple;

    friend SvStream& operator>>( SvStream& rIStm, ImplMapMode& rMapMode );
    friend SvStream& operator<<( SvStream& rOStm, const ImplMapMode& rMapMode );

    static ImplMapMode* ImplGetStaticMapMode( MapUnit eUnit );
public:
                    ImplMapMode();
                    ImplMapMode( const ImplMapMode& rImpMapMode );
};

// -----------
// - MapMode -
// -----------

class VCL_DLLPUBLIC MapMode
{
    friend class	    OutputDevice;

private:
    ImplMapMode*	    mpImplMapMode;

    SAL_DLLPRIVATE void ImplMakeUnique();

public:
                    MapMode();
                    MapMode( const MapMode& rMapMode );
                    MapMode( MapUnit eUnit );
                    MapMode( MapUnit eUnit, const Point& rLogicOrg,
                             const Fraction& rScaleX, const Fraction& rScaleY );
                    ~MapMode();

    void			SetMapUnit( MapUnit eUnit );
    MapUnit 		GetMapUnit() const
                        { return mpImplMapMode->meUnit; }

    void			SetOrigin( const Point& rOrigin );
    const Point&	GetOrigin() const
                        { return mpImplMapMode->maOrigin; }

    void			SetScaleX( const Fraction& rScaleX );
    const Fraction& GetScaleX() const
                        { return mpImplMapMode->maScaleX; }
    void			SetScaleY( const Fraction& rScaleY );
    const Fraction& GetScaleY() const
                        { return mpImplMapMode->maScaleY; }

    MapMode&		operator=( const MapMode& rMapMode );
    sal_Bool			operator==( const MapMode& rMapMode ) const;
    sal_Bool			operator!=( const MapMode& rMapMode ) const
                        { return !(MapMode::operator==( rMapMode )); }
    sal_Bool			IsDefault() const;
    sal_Bool			IsSameInstance( const MapMode& rMapMode ) const
                        { return (mpImplMapMode == rMapMode.mpImplMapMode); }

    friend VCL_DLLPUBLIC SvStream& operator>>( SvStream& rIStm, MapMode& rMapMode );
    friend VCL_DLLPUBLIC SvStream& operator<<( SvStream& rOStm, const MapMode& rMapMode );
};

#endif	// _SV_MAPMOD_HXX

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