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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: metric.hxx,v $
 * $Revision: 1.3 $
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * (a copy is included in the LICENSE file that accompanied this code).
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#ifndef _SV_METRIC_HXX
#define _SV_METRIC_HXX
#ifdef AVS
#include <vcl/dllapi.h>
#include <vcl/font.hxx>
#endif

#include "vcl/font.hxx"


namespace SVMCore{

class ImplFontMetric;
class ImplFontCharMap;

typedef sal_uInt32 sal_UCS4;

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

class FontInfo : public Font
{
	friend class OutputDevice;

protected:
	ImplFontMetric* 	mpImplMetric;	 // Implementation

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

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

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

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

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

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

class FontCharMap
{
private:
    ImplFontCharMap*    mpImpl;

public:
                        FontCharMap();
                        ~FontCharMap();

    BOOL                IsDefaultMap() const;
    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( ImplFontCharMap* pNewMap = NULL );

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

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

class TextRectInfo
{
	friend class OutputDevice;

private:
	long			mnMaxWidth;
	USHORT			mnLineCount;
	BOOL			mbEllipsis;

public:
					TextRectInfo();

	USHORT			GetLineCount() const { return mnLineCount; }
	long			GetMaxLineWidth() const { return mnMaxWidth; }
	BOOL			IsEllipses() const { return mbEllipsis; }

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

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

}//SVMCore
#endif // _SV_METRIC_HXX
