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#ifndef _SV_METRIC_HXX
#define _SV_METRIC_HXX

#include <vcl/dllapi.h>
#include <vcl/font.hxx>

class ImplFontMetric;
class ImplFontCharMap;

typedef sal_uInt32 sal_UCS4;

// ------------
// - FontInfo -
// ------------

class VCL_DLLPUBLIC FontInfo : public Font
{
    friend class OutputDevice;

protected:
    ImplFontMetric* 	mpImplMetric;	 // Implementation

public:
                        FontInfo();
                        FontInfo( const FontInfo& );
                        ~FontInfo();

    FontType			GetType() const;
    sal_Bool				IsDeviceFont() const;
    sal_Bool				SupportsLatin() const;
    sal_Bool				SupportsCJK() const;
    sal_Bool				SupportsCTL() const;

    FontInfo&			operator=( const FontInfo& );
    sal_Bool				operator==( const FontInfo& ) const;
    sal_Bool				operator!=( const FontInfo& rInfo ) const
                            { return !operator==( rInfo ); }
};

// --------------
// - FontMetric -
// --------------

class VCL_DLLPUBLIC FontMetric : public FontInfo
{
public:
                        FontMetric() {}
                        FontMetric( const FontMetric& );
                        ~FontMetric() {}

    long				GetAscent() const;
    long				GetDescent() const;
    long				GetIntLeading() const;
    long				GetExtLeading() const;
    long				GetLineHeight() const;
    long				GetSlant() const;

    FontMetric& 		operator=( const FontMetric& rMetric );
    sal_Bool				operator==( const FontMetric& rMetric ) const;
    sal_Bool				operator!=( const FontMetric& rMetric ) const
                            { return !operator==( rMetric ); }
};

// ---------------
// - FontCharMap -
// ---------------

class VCL_DLLPUBLIC FontCharMap
{
private:
    const ImplFontCharMap* mpImpl;

public:
                        FontCharMap();
                        ~FontCharMap();

    sal_Bool                IsDefaultMap() const;
    sal_Bool                HasChar( sal_uInt32 ) const;
    int                 CountCharsInRange( sal_uInt32 cMin, sal_uInt32 cMax ) const;
    int                 GetCharCount() const;

    sal_uInt32          GetFirstChar() const;
    sal_uInt32          GetLastChar() const;

    sal_uInt32          GetNextChar( sal_uInt32 ) const;
    sal_uInt32          GetPrevChar( sal_uInt32 ) const;

    int                 GetIndexFromChar( sal_uInt32 ) const;
    sal_uInt32          GetCharFromIndex( int ) const;


private:
    friend class OutputDevice;
    void                Reset( const ImplFontCharMap* pNewMap = NULL );

    // prevent assignment and copy construction
                        FontCharMap( const FontCharMap& );
    void                operator=( const FontCharMap& );
};

// ----------------
// - TextRectInfo -
// ----------------

class VCL_DLLPUBLIC TextRectInfo
{
    friend class OutputDevice;

private:
    long			mnMaxWidth;
    sal_uInt16			mnLineCount;
    sal_Bool			mbEllipsis;

public:
                    TextRectInfo();

    sal_uInt16			GetLineCount() const { return mnLineCount; }
    long			GetMaxLineWidth() const { return mnMaxWidth; }
    sal_Bool			IsEllipses() const { return mbEllipsis; }

    sal_Bool			operator ==( const TextRectInfo& rInfo ) const
                        { return ((mnMaxWidth	== rInfo.mnMaxWidth)	&&
                                  (mnLineCount	== rInfo.mnLineCount)	&&
                                  (mbEllipsis	== rInfo.mbEllipsis)); }
    sal_Bool			operator !=( const TextRectInfo& rInfo ) const
                        { return !(TextRectInfo::operator==( rInfo )); }
};

inline TextRectInfo::TextRectInfo()
{
    mnMaxWidth		= 0;
    mnLineCount 	= 0;
    mbEllipsis		= sal_False;
}

#endif // _SV_METRIC_HXX

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