/*************************************************************************
 *
 * 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: fntcache.hxx,v $
 * $Revision: 1.6 $
 *
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 * it under the terms of the GNU Lesser General Public License version 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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 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
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#ifndef _FNTCACHE_HXX
#define _FNTCACHE_HXX


#ifndef _SV_FONT_HXX //autogen
#include <vcl/font.hxx>
#endif
#ifndef _SVMEMPOOL_HXX //autogen
#include <tools/mempool.hxx>
#endif

#include "swtypes.hxx"
#include "swcache.hxx"
/*N*/ #include <tools/debug.hxx>  //for stripping
class Printer; 
class OutputDevice; 
class FontMetric; 
namespace binfilter {

class SwFntObj;
class SwDrawTextInfo;	// DrawText
class SwScriptInfo;
class ViewShell;
class SwSubFont;

/*************************************************************************
 *                      class SwFntCache
 *************************************************************************/

class SwFntCache : public SwCache
{
public:

	inline SwFntCache() : SwCache(50,50
#ifndef PRODUCT
	, ByteString( RTL_CONSTASCII_STRINGPARAM(
						"Globaler Font-Cache pFntCache" ))
#endif
	) {}

	inline SwFntObj *First( ) { return (SwFntObj *)SwCache::First(); }
	inline SwFntObj *Next( SwFntObj *pFntObj)
		{ return (SwFntObj *)SwCache::Next( (SwCacheObj *)pFntObj ); }
	void Flush();
};

// Font-Cache, globale Variable, in txtinit.Cxx angelegt/zerstoert
extern SwFntCache *pFntCache;
extern SwFntObj *pLastFont;
extern BYTE *pMagicNo;
extern Color *pWaveCol;

/*************************************************************************
 *                      class SwFntObj
 *************************************************************************/

class SwFntObj : public SwCacheObj
{
	friend class SwFntAccess;
	friend void _InitCore();
	friend void _FinitCore();

	Font aFont;
	Font *pScrFont;
	Font *pPrtFont;
    OutputDevice* pPrinter;
	USHORT nLeading;
	USHORT nScrAscent;
	USHORT nPrtAscent;
	USHORT nScrHeight;
	USHORT nPrtHeight;
	USHORT nPropWidth;
	USHORT nZoom;
	BOOL bSymbol : 1;
	BOOL bPaintBlank : 1;
    void ChooseFont( ViewShell *pSh, OutputDevice *pOut );

	static long nPixWidth;
	static MapMode *pPixMap;
	static OutputDevice *pPixOut;

public:
	DECL_FIXEDMEMPOOL_NEWDEL(SwFntObj)

	SwFntObj( const SwSubFont &rFont, const void* pOwner,
			  ViewShell *pSh );

	virtual ~SwFntObj();

	inline 		 Font *GetScrFont()		{ return pScrFont; }
	inline 		 Font *GetFont()		{ return &aFont; }
	inline const Font *GetFont() const  { return &aFont; }

	inline USHORT GetLeading() const  { return nLeading; }

    void GuessLeading( const ViewShell *pSh, const FontMetric& rMet );
    USHORT GetAscent( const ViewShell *pSh, const OutputDevice *pOut );
    USHORT GetHeight( const ViewShell *pSh, const OutputDevice *pOut );

    void SetDevFont( const ViewShell *pSh, OutputDevice *pOut );
    inline OutputDevice* GetPrt() const { return pPrinter; }
	inline USHORT	GetZoom() const { return nZoom; }
	inline USHORT	GetPropWidth() const { return nPropWidth; }
	inline BOOL		IsSymbol() const { return bSymbol; }

	Size  GetTextSize( SwDrawTextInfo &rInf );

    void CreateScrFont( const ViewShell *pSh, const OutputDevice& rOut );
    void CreatePrtFont( const OutputDevice& rOut );
};

/*************************************************************************
 *                      class SwFntAccess
 *************************************************************************/


class SwFntAccess : public SwCacheAccess
{
	ViewShell *pShell;
protected:
	virtual SwCacheObj *NewObj( );

public:
	SwFntAccess( const void * &rMagic, USHORT &rIndex, const void *pOwner,
				 ViewShell *pShell,
				 BOOL bCheck = FALSE  );
    inline SwFntObj* Get() { return (SwFntObj*) SwCacheAccess::Get(); };
};


} //namespace binfilter
#endif
