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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef EXTENDED_FONTSTRUCT_HXX
#define EXTENDED_FONTSTRUCT_HXX
#ifndef _XLIB_H_
#include <tools/prex.h>
#include <X11/Xlib.h>
#include <tools/postx.h>
#endif
#include <tools/ref.hxx>
#include <rtl/tencinfo.h>
#include <vcl/vclenum.hxx>
#include <vcl/sallayout.hxx>
typedef unsigned short sal_MultiByte;
class ImplFontMetricData;
class ExtendedXlfd;
struct VerticalTextItem
{
sal_Bool mbFixed;
XFontStruct* mpXFontStruct;
const sal_Unicode* mpString;
int mnLength;
int mnTransX;
int mnTransY;
int mnFixedAdvance;
int* mpAdvanceAry;
VerticalTextItem( XFontStruct* pXFontStruct,
const sal_Unicode* pString,
int nLength,
int nTransX,
int nTransY,
int nFixedAdvance )
: mbFixed( sal_True ),
mpXFontStruct( pXFontStruct ),
mpString( pString ),
mnLength( nLength ),
mnTransX( nTransX ),
mnTransY( nTransY ),
mnFixedAdvance( nFixedAdvance )
{}
VerticalTextItem( XFontStruct* pXFontStruct,
const sal_Unicode* pString,
int nLength,
int nTransX,
int nTransY,
int* pAdvanceAry )
: mbFixed( sal_False ),
mpXFontStruct( pXFontStruct ),
mpString( pString ),
mnLength( nLength ),
mnTransX( nTransX ),
mnTransY( nTransY ),
mpAdvanceAry( pAdvanceAry )
{}
~VerticalTextItem()
{
if (!mbFixed)
{
delete( mpAdvanceAry );
}
}
};
class ExtendedFontStruct : public SvRefBase
{
private:
Display* mpDisplay;
Size maPixelSize;
float mfXScale;
float mfYScale;
sal_Size mnDefaultWidth;
sal_Bool mbVertical;
rtl_TextEncoding mnCachedEncoding;
rtl_TextEncoding mnAsciiEncoding;
ExtendedXlfd* mpXlfd;
XFontStruct** mpXFontStruct;
// unicode range cache
mutable sal_uInt32* mpRangeCodes;
mutable int mnRangeCount;
int LoadEncoding( rtl_TextEncoding nEncoding );
FontPitch GetSpacing( rtl_TextEncoding nEncoding );
bool GetFontBoundingBox( XCharStruct *pCharStruct,
int *pAscent, int *pDescent ) ;
sal_Size GetDefaultWidth();
sal_Size GetCharWidth8( sal_Unicode nFrom, sal_Unicode nTo,
sal_Int32 *pWidthArray,
rtl_TextEncoding nEncoding );
sal_Size GetCharWidthUTF16( sal_Unicode nFrom, sal_Unicode nTo,
sal_Int32 *pWidthArray );
sal_Size GetCharWidth16( sal_Unicode nFrom, sal_Unicode nTo,
sal_Int32 *pWidthArray, ExtendedFontStruct *pFallback );
public:
ExtendedFontStruct( Display* pDisplay,
const Size& rPixelSize, sal_Bool bVertical,
ExtendedXlfd* pXlfd );
~ExtendedFontStruct();
bool Match( const ExtendedXlfd *pXlfd,
const Size& rPixelSize, sal_Bool bVertical ) const;
XFontStruct* GetFontStruct( rtl_TextEncoding nEncoding );
XFontStruct* GetFontStruct( sal_Unicode nChar,
rtl_TextEncoding *pEncoding );
bool ToImplFontMetricData( ImplFontMetricData *pMetric );
rtl_TextEncoding GetAsciiEncoding( int *pAsciiRange = NULL ) const;
sal_Size GetCharWidth( sal_Unicode,
sal_Int32* pPhysWidth, sal_Int32* pLogWidth );
int GetFontCodeRanges( sal_uInt32* pCodePairs ) const;
bool HasUnicodeChar( sal_Unicode ) const;
};
// Declaration and Implementation for ExtendedFontStructRef: Add RefCounting
// to ExtendedFontStruct (it's not possible to separate decl and impl into
// a separate source file: all ref member functions are inline
SV_DECL_IMPL_REF( ExtendedFontStruct );
class X11FontLayout : public GenericSalLayout
{
public:
X11FontLayout( ExtendedFontStruct& );
virtual bool LayoutText( ImplLayoutArgs& );
virtual void AdjustLayout( ImplLayoutArgs& );
virtual void DrawText( SalGraphics& ) const;
private:
ExtendedFontStruct& mrFont;
};
#endif /* EXTENDED_FONTSTRUCT_HXX */
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