AOO410/main/vcl/os2/source/gdi/salgdi.cxx

/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



#include <string.h>
#include <svpm.h>

#define _SV_SALGDI_CXX
#include <tools/debug.hxx>
#include <os2/saldata.hxx>
#include <os2/salgdi.h>
#include <tools/debug.hxx>
#include <os2/salframe.h>
#include <tools/poly.hxx>
#ifndef _RTL_STRINGBUF_HXX
#include <rtl/strbuf.hxx>
#endif

#ifndef __H_FT2LIB
#include <os2/wingdi.h>
#include <ft2lib.h>
#endif

// -----------
// - Defines -
// -----------

// ClipRegions funktionieren immer noch nicht auf allen getesteten Druckern
#define SAL_PRINTER_CLIPPATH	1
// #define SAL_PRINTER_POLYPATH 1

// =======================================================================

void ImplInitSalGDI()
{
}

// -----------------------------------------------------------------------

void ImplFreeSalGDI()
{
	SalData*	pSalData = GetSalData();

    // delete icon cache
    SalIcon* pIcon = pSalData->mpFirstIcon;
    while( pIcon )
    {
        SalIcon* pTmp = pIcon->pNext;
        WinDestroyPointer( pIcon->hIcon );
        delete pIcon;
        pIcon = pTmp;
    }

}

// =======================================================================

void ImplSalInitGraphics( Os2SalGraphics* pData )
{
	GpiCreateLogColorTable( pData->mhPS, LCOL_RESET, LCOLF_RGB, 0, 0, NULL );
}

// -----------------------------------------------------------------------

void ImplSalDeInitGraphics( Os2SalGraphics* pData )
{
}

// =======================================================================

Os2SalGraphics::Os2SalGraphics()
{
    for( int i = 0; i < MAX_FALLBACK; ++i )
    {
        mhFonts[ i ] = 0;
        mpOs2FontData[ i ]  = NULL;
        mpOs2FontEntry[ i ] = NULL;
    }

    mfFontScale = 1.0;

	mhPS 			= 0;
	mhDC 			= 0;
	mbLine				= FALSE;
	mbFill				= FALSE;
	mbXORMode			= FALSE;
	mnFontMetricCount	= 0;
	mpFontMetrics		= NULL;
	mpClipRectlAry		= NULL;

	mhDefFont			= 0;
	mpFontKernPairs		= NULL;
	mnFontKernPairCount	= 0;
	mbFontKernInit		= FALSE;

}

// -----------------------------------------------------------------------

Os2SalGraphics::~Os2SalGraphics()
{
	Ft2DeleteSetId( mhPS, LCID_BASE);

	if ( mpFontMetrics )
		delete mpFontMetrics;

	if ( mpFontKernPairs )
		delete mpFontKernPairs;

}

// -----------------------------------------------------------------------

static SalColor ImplGetROPSalColor( SalROPColor nROPColor )
{
	SalColor nSalColor;

	switch( nROPColor )
	{
		case SAL_ROP_0:
			nSalColor = MAKE_SALCOLOR( 0, 0, 0 );
		break;

		case SAL_ROP_1:
		case SAL_ROP_INVERT:
			nSalColor = MAKE_SALCOLOR( 255, 255, 255 );
		break;
	}

	return nSalColor;
}

// -----------------------------------------------------------------------

void Os2SalGraphics::GetResolution( sal_Int32& rDPIX, sal_Int32& rDPIY )
{
	// since OOo asks for DPI, I will query FONT_RES, which seems to be
	// more correct than _RESOLUTION fields (on my wide screen lcd)
	// and does not require conversion
	long nDPIX = 72, nDPIY = 72;
	DevQueryCaps( mhDC, CAPS_HORIZONTAL_FONT_RES, 1, &nDPIX );
	DevQueryCaps( mhDC, CAPS_VERTICAL_FONT_RES, 1, &nDPIY );
	rDPIX = nDPIX;
	rDPIY = nDPIY;
}

// -----------------------------------------------------------------------

USHORT Os2SalGraphics::GetBitCount()
{
	LONG nBitCount;
	DevQueryCaps( mhDC, CAPS_COLOR_BITCOUNT, 1, &nBitCount );
	return (USHORT)nBitCount;
}

// -----------------------------------------------------------------------

long Os2SalGraphics::GetGraphicsWidth() const
{
    if( mhWnd )
    {
        Os2SalFrame* pFrame = (Os2SalFrame*)GetWindowPtr( mhWnd );
        if( pFrame )
        {
            if( pFrame->maGeometry.nWidth )
                return pFrame->maGeometry.nWidth;
            else
            {
                // TODO: perhaps not needed, maGeometry should always be up-to-date
                RECTL aRect;
                WinQueryWindowRect( mhWnd, &aRect );
                return aRect.xRight;
            }
        }
    }

    return 0;
}

// -----------------------------------------------------------------------

void Os2SalGraphics::ResetClipRegion()
{
#ifdef SAL_PRINTER_CLIPPATH
	if ( mbPrinter )
		GpiSetClipPath( mhPS, 0, SCP_RESET );
	else
#endif
	{
		HRGN hOldRegion;

		GpiSetClipRegion( mhPS, NULL, &hOldRegion );
		if ( hOldRegion )
			GpiDestroyRegion( mhPS, hOldRegion );
	}
}

// -----------------------------------------------------------------------

bool Os2SalGraphics::setClipRegion( const Region& i_rClip )
{
    RectangleVector aRectangles;
    i_rClip.GetRegionRectangles(aRectangles);
    mnClipElementCount = aRectangles.size();
    mpClipRectlAry = 0;

    if(mnClipElementCount)
    {
        mpClipRectlAry = new RECTL[mnClipElementCount];

        for(sal_uInt32 a(0); a < mnClipElementCount; a++)
        {
            const Rectangle& rRect = aRectangles[a];
            RECTL* pClipRect = &mpClipRectlAry[a];

            pClipRect->xLeft = rRect.Left();
            pClipRect->yTop = mnHeight - rRect.Top();
            pClipRect->xRight = rRect.Right() + 1; // nX + nW -> L + ((R - L) + 1) -> R + 1
            pClipRect->yBottom = mnHeight - (rRect.Bottom() + 1); // same for height
        }
    }

//    ULONG nCount = i_rClip.GetRectCount();
//
//	mpClipRectlAry	  = new RECTL[ nCount ];
//	mnClipElementCount = 0;
//
//    ImplRegionInfo aInfo;
//    long nX, nY, nW, nH;
//    bool bRegionRect = i_rClip.ImplGetFirstRect(aInfo, nX, nY, nW, nH );
//    while( bRegionRect )
//    {
//        if ( nW && nH )
//        {
//            RECTL* pClipRect = &mpClipRectlAry[ mnClipElementCount ];
//            pClipRect->xLeft   = nX;
//            pClipRect->yTop    = mnHeight - nY;
//            pClipRect->xRight  = nX + nW;
//            pClipRect->yBottom = mnHeight - (nY + nH);
//            mnClipElementCount++;
//        }
//        bRegionRect = i_rClip.ImplGetNextRect( aInfo, nX, nY, nW, nH );
//    }
#ifdef SAL_PRINTER_CLIPPATH
	if ( mbPrinter )
	{
		GpiSetClipPath( mhPS, 0, SCP_RESET );
		GpiBeginPath( mhPS, 1L );

		for( int i = 0; i < mnClipElementCount; i++ )
		{
			POINTL aPt;
			RECTL* pClipRect = &mpClipRectlAry[ i ];

			aPt.x = pClipRect->xLeft;
			aPt.y = pClipRect->yTop-1;
			Ft2Move( mhPS, &aPt );

			aPt.x = pClipRect->xRight-1;
			aPt.y = pClipRect->yBottom;

			Ft2Box( mhPS, DRO_OUTLINE, &aPt, 0, 0 );
		}

		GpiEndPath( mhPS );
		GpiSetClipPath( mhPS, 1L, SCP_ALTERNATE | SCP_AND );
	}
	else
#endif
	{
		HRGN hClipRegion = GpiCreateRegion( mhPS,
											mnClipElementCount,
											mpClipRectlAry );
		HRGN hOldRegion;

		GpiSetClipRegion( mhPS, hClipRegion, &hOldRegion );
		if( hOldRegion )
			GpiDestroyRegion( mhPS, hOldRegion );
	}

	delete [] mpClipRectlAry;
    
    return true;
}

// -----------------------------------------------------------------------

void Os2SalGraphics::SetLineColor()
{
	// don't draw line!
	mbLine = FALSE;
}

// -----------------------------------------------------------------------

void Os2SalGraphics::SetLineColor( SalColor nSalColor )
{
	LINEBUNDLE lb;

	// set color
	lb.lColor = MAKE_SALCOLOR( SALCOLOR_RED( nSalColor ),
						  SALCOLOR_GREEN( nSalColor ),
						  SALCOLOR_BLUE( nSalColor ) );

	Ft2SetAttrs( mhPS,
				 PRIM_LINE,
				 LBB_COLOR,
				 0,
				 &lb );

	// draw line!
	mbLine = TRUE;
}

// -----------------------------------------------------------------------

void Os2SalGraphics::SetFillColor()
{
	// don't fill area!
	mbFill = FALSE;
}

// -----------------------------------------------------------------------

void Os2SalGraphics::SetFillColor( SalColor nSalColor )
{
	AREABUNDLE ab;

	// set color
	ab.lColor = MAKE_SALCOLOR( SALCOLOR_RED( nSalColor ),
						  SALCOLOR_GREEN( nSalColor ),
						  SALCOLOR_BLUE( nSalColor ) );

	Ft2SetAttrs( mhPS,
				 PRIM_AREA,
				 ABB_COLOR,
				 0,
				 &ab );

	// fill area!
	mbFill = TRUE;
}

// -----------------------------------------------------------------------

void Os2SalGraphics::SetXORMode( bool bSet, bool )
{
	mbXORMode = bSet;
	LONG nMixMode = bSet ? FM_XOR : FM_OVERPAINT;

	// set mix mode for lines
	LINEBUNDLE lb;
	lb.usMixMode = nMixMode;
	Ft2SetAttrs( mhPS,
				 PRIM_LINE,
				 LBB_MIX_MODE,
				 0,
				 &lb );

	// set mix mode for areas
	AREABUNDLE ab;
	ab.usMixMode = nMixMode;
	Ft2SetAttrs( mhPS,
				 PRIM_AREA,
				 ABB_MIX_MODE,
				 0,
				 &ab );

	// set mix mode for text
	CHARBUNDLE cb;
	cb.usMixMode = nMixMode;
	Ft2SetAttrs( mhPS,
				 PRIM_CHAR,
				 CBB_MIX_MODE,
				 0,
				 &cb );
}

// -----------------------------------------------------------------------

void Os2SalGraphics::SetROPLineColor( SalROPColor nROPColor )
{
	SetLineColor( ImplGetROPSalColor( nROPColor ) );
}

// -----------------------------------------------------------------------

void Os2SalGraphics::SetROPFillColor( SalROPColor nROPColor )
{
	SetFillColor( ImplGetROPSalColor( nROPColor ) );
}

// -----------------------------------------------------------------------

void Os2SalGraphics::drawPixel( long nX, long nY )
{
	POINTL aPt;

	aPt.x = nX;
	aPt.y = TY( nY );

	// set color
	Ft2SetPel( mhPS, &aPt );
}

// -----------------------------------------------------------------------

void Os2SalGraphics::drawPixel( long nX, long nY, SalColor nSalColor )
{
	// save old color
	LINEBUNDLE oldLb;
	GpiQueryAttrs( mhPS,
				   PRIM_LINE,
				   LBB_COLOR,
				   &oldLb );

	// set new color
	LINEBUNDLE lb;
	lb.lColor = MAKE_SALCOLOR( SALCOLOR_RED( nSalColor ),
						  SALCOLOR_GREEN( nSalColor ),
						  SALCOLOR_BLUE( nSalColor ) );
	Ft2SetAttrs( mhPS,
				 PRIM_LINE,
				 LBB_COLOR,
				 0,
				 &lb );

	// set color of pixel
	POINTL aPt;
	aPt.x = nX;
	aPt.y = TY( nY );
	Ft2SetPel( mhPS, &aPt );

	// restore old color
	Ft2SetAttrs( mhPS,
				 PRIM_LINE,
				 LBB_COLOR,
				 0,
				 &oldLb );
}

// -----------------------------------------------------------------------

void Os2SalGraphics::drawLine( long nX1, long nY1, long nX2, long nY2 )
{
	// OS2 zeichnet den Endpunkt mit
	POINTL aPt;
	aPt.x = nX1;
	aPt.y = TY( nY1 );
	Ft2Move( mhPS, &aPt );
	aPt.x = nX2;
	aPt.y = TY( nY2 );
	GpiLine( mhPS, &aPt );
}

// -----------------------------------------------------------------------

void Os2SalGraphics::drawRect( long nX, long nY, long nWidth, long nHeight )
{
	POINTL aPt;
	long lControl;

	if ( mbFill )
	{
		if ( mbLine )
			lControl = DRO_OUTLINEFILL;
		else
			lControl = DRO_FILL;
	}
	else
	{
		if ( mbLine )
			lControl = DRO_OUTLINE;
		else
			return;
	}

	aPt.x = nX;
	aPt.y = TY( nY );
	Ft2Move( mhPS, &aPt );
	aPt.x = nX + nWidth - 1;
	aPt.y = TY( nY + nHeight - 1 );
	Ft2Box( mhPS, lControl, &aPt, 0, 0 );
}

// -----------------------------------------------------------------------

void Os2SalGraphics::drawPolyLine( sal_uInt32 nPoints, const SalPoint* pPtAry )
{
	// convert all points to sys orientation
	POINTL* 			pOS2PtAry = new POINTL[ nPoints ];
	POINTL* 			pTempOS2PtAry = pOS2PtAry;
	const SalPoint* 	pTempPtAry = pPtAry;
	sal_uInt32			nTempPoints = nPoints;
	long				nHeight = mnHeight - 1;

	while( nTempPoints-- )
	{
		(*pTempOS2PtAry).x = (*pTempPtAry).mnX;
		(*pTempOS2PtAry).y = nHeight - (*pTempPtAry).mnY;
		pTempOS2PtAry++;
		pTempPtAry++;
	}

	Ft2Move( mhPS, pOS2PtAry );
	GpiPolyLine( mhPS, nPoints, pOS2PtAry );
	delete [] pOS2PtAry;
}

// -----------------------------------------------------------------------

void Os2SalGraphics::drawPolygon( sal_uInt32 nPoints, const SalPoint* pPtAry )
{
	PM_POLYGON aPolygon;

	// create polygon
	aPolygon.aPointl = new POINTL[ nPoints ];
	aPolygon.ulPoints = nPoints;

	// convert all points to sys orientation
	POINTL* 			pTempOS2PtAry = aPolygon.aPointl;
	const SalPoint* 	pTempPtAry = pPtAry;
	sal_uInt32			nTempPoints = nPoints;
	long				nHeight = mnHeight - 1;

	while( nTempPoints-- )
	{
		(*pTempOS2PtAry).x = (*pTempPtAry).mnX;
		(*pTempOS2PtAry).y = nHeight - (*pTempPtAry).mnY;
		pTempOS2PtAry++;
		pTempPtAry++;
	}

	// Innenleben zeichnen
	if ( mbFill )
	{
#ifdef SAL_PRINTER_POLYPATH
		if ( mbPrinter )
		{
			Ft2BeginPath( mhPS, 1 );
			Ft2Move( mhPS, aPolygon.aPointl );
			Ft2PolyLine( mhPS, aPolygon.ulPoints, aPolygon.aPointl );
			Ft2EndPath( mhPS );
			Ft2FillPath( mhPS, 1, 0 );

			if ( mbLine )
			{
				Ft2Move( mhPS, aPolygon.aPointl );
				Ft2PolyLine( mhPS, aPolygon.ulPoints, aPolygon.aPointl );
			}
		}
		else
#endif
		{
			ULONG nOptions = POLYGON_ALTERNATE;

			if ( mbLine )
				nOptions |= POLYGON_BOUNDARY;
			else
				nOptions |= POLYGON_NOBOUNDARY;

			Ft2Move( mhPS, aPolygon.aPointl );
			GpiPolygons( mhPS, 1, &aPolygon, nOptions, POLYGON_EXCL );
		}
	}
	else
	{
		if ( mbLine )
		{
			Ft2Move( mhPS, aPolygon.aPointl );
			GpiPolyLine( mhPS, nPoints, aPolygon.aPointl );
		}
	}

	delete [] aPolygon.aPointl;
}

// -----------------------------------------------------------------------

void Os2SalGraphics::drawPolyPolygon( sal_uInt32 nPoly, const sal_uInt32* pPoints,
								   PCONSTSALPOINT* pPtAry )
{
	ULONG		i;
	long		nHeight = mnHeight - 1;
	PM_POLYGON*	aPolygonAry = new PM_POLYGON[ nPoly ];

	for( i = 0; i < nPoly; i++ )
	{
		const SalPoint * pTempPtAry = (const SalPoint*)pPtAry[ i ];

		// create polygon
		ULONG nTempPoints = pPoints[ i ];
		POINTL * pTempOS2PtAry = new POINTL[ nTempPoints ];

		// convert all points to sys orientation
		aPolygonAry[ i ].ulPoints = nTempPoints;
		aPolygonAry[ i ].aPointl = pTempOS2PtAry;

		while( nTempPoints-- )
		{
			(*pTempOS2PtAry).x = (*pTempPtAry).mnX;
			(*pTempOS2PtAry).y = nHeight - (*pTempPtAry).mnY;
			pTempOS2PtAry++;
			pTempPtAry++;
		}
	}

	// Innenleben zeichnen
	if ( mbFill )
	{
#ifdef SAL_PRINTER_POLYPATH
		if ( mbPrinter )
		{
			Ft2BeginPath( mhPS, 1 );
			for ( i = 0; i < nPoly; i++ )
			{
				Ft2Move( mhPS, aPolygonAry[i].aPointl );
				Ft2PolyLine( mhPS, aPolygonAry[i].ulPoints, aPolygonAry[i].aPointl );
			}
			Ft2EndPath( mhPS );
			Ft2FillPath( mhPS, 1, 0 );
		}
		else
#endif
		{
			ULONG nOptions = POLYGON_ALTERNATE;

			if ( mbLine )
				nOptions |= POLYGON_BOUNDARY;
			else
				nOptions |= POLYGON_NOBOUNDARY;

			Ft2Move( mhPS, aPolygonAry[ 0 ].aPointl );
			GpiPolygons( mhPS, nPoly, aPolygonAry, nOptions, POLYGON_EXCL );
		}
	}
	else
	{
		if ( mbLine )
		{
			for( i = 0; i < nPoly; i++ )
			{
				Ft2Move( mhPS, aPolygonAry[ i ].aPointl );
				GpiPolyLine( mhPS, aPolygonAry[ i ].ulPoints, aPolygonAry[ i ].aPointl );
			}
		}
	}

	// cleanup
	for( i = 0; i < nPoly; i++ )
		delete [] aPolygonAry[ i ].aPointl;
	delete [] aPolygonAry;
}

// -----------------------------------------------------------------------

bool Os2SalGraphics::drawPolyPolygon( const ::basegfx::B2DPolyPolygon&, double /*fTransparency*/ )
{
	// TODO: implement and advertise OutDevSupport_B2DDraw support
	return false;
}

// -----------------------------------------------------------------------

bool Os2SalGraphics::drawPolyLine(
    const basegfx::B2DPolygon& /*rPolygon*/,
    double /*fTransparency*/,
    const basegfx::B2DVector& /*rLineWidths*/, 
    basegfx::B2DLineJoin /*eLineJoin*/,
    com::sun::star::drawing::LineCap /*eLineCap*/)
{
    // TODO: implement
    return false;
}

// -----------------------------------------------------------------------

sal_Bool Os2SalGraphics::drawPolyLineBezier( sal_uInt32 /*nPoints*/, const SalPoint* pPtAry, const sal_uInt8* pFlgAry )
{
    return sal_False;
}

// -----------------------------------------------------------------------

sal_Bool Os2SalGraphics::drawPolygonBezier( sal_uInt32 /*nPoints*/, const SalPoint* pPtAry, const sal_uInt8* pFlgAry )
{
    return sal_False;
}

// -----------------------------------------------------------------------

sal_Bool Os2SalGraphics::drawPolyPolygonBezier( sal_uInt32 /*nPoly*/, const sal_uInt32* /*pPoints*/,
                                             const SalPoint* const* pPtAry, const sal_uInt8* const* pFlgAry )
{
    return sal_False;
}

// =======================================================================

// MAXIMUM BUFSIZE EQ 0xFFFF
#define POSTSCRIPT_BUFSIZE			0x4000
// we only try to get the BoundingBox in the first 4096 PM_BYTEs
#define POSTSCRIPT_BOUNDINGSEARCH	0x1000

static PM_BYTE* ImplSearchEntry( PM_BYTE* pSource, PM_BYTE* pDest, ULONG nComp, ULONG nSize )
{
	while ( nComp-- >= nSize )
	{
		ULONG	i;
		for ( i = 0; i < nSize; i++ )
		{
			if ( ( pSource[i]&~0x20 ) != ( pDest[i]&~0x20 ) )
				break;
		}
		if ( i == nSize )
			return pSource;
		pSource++;
	}
	return NULL;
}


static PM_BOOL ImplGetBoundingBox( double* nNumb, PM_BYTE* pSource, ULONG nSize )
{
	PM_BOOL	bRetValue = FALSE;
	PM_BYTE* pDest = ImplSearchEntry( pSource, (PM_BYTE*)"%%BoundingBox:", nSize, 14 );
	if ( pDest )
	{
		nNumb[0] = nNumb[1] = nNumb[2] = nNumb[3] = 0;
		pDest += 14;

		int nSizeLeft = nSize - ( pDest - pSource );
		if ( nSizeLeft > 100 )
			nSizeLeft = 100;	// only 100 PM_BYTEs following the bounding box will be checked

		int i;
		for ( i = 0; ( i < 4 ) && nSizeLeft; i++ )
		{
			int 	nDivision = 1;
			PM_BOOL	bDivision = FALSE;
			PM_BOOL	bNegative = FALSE;
			PM_BOOL	bValid = TRUE;

			while ( ( --nSizeLeft ) && ( *pDest == ' ' ) || ( *pDest == 0x9 ) ) pDest++;
			PM_BYTE nPM_BYTE = *pDest;
			while ( nSizeLeft && ( nPM_BYTE != ' ' ) && ( nPM_BYTE != 0x9 ) && ( nPM_BYTE != 0xd ) && ( nPM_BYTE != 0xa ) )
			{
				switch ( nPM_BYTE )
				{
					case '.' :
						if ( bDivision )
							bValid = FALSE;
						else
							bDivision = TRUE;
						break;
					case '-' :
						bNegative = TRUE;
						break;
					default :
						if ( ( nPM_BYTE < '0' ) || ( nPM_BYTE > '9' ) )
							nSizeLeft = 1; 	// error parsing the bounding box values
						else if ( bValid )
						{
							if ( bDivision )
								nDivision*=10;
							nNumb[i] *= 10;
							nNumb[i] += nPM_BYTE - '0';
						}
						break;
				}
				nSizeLeft--;
				nPM_BYTE = *(++pDest);
			}
			if ( bNegative )
				nNumb[i] = -nNumb[i];
			if ( bDivision && ( nDivision != 1 ) )
				nNumb[i] /= nDivision;
		}
		if ( i == 4 )
			bRetValue = TRUE;
	}
	return bRetValue;
}

#if 0
static void ImplWriteDouble( PM_BYTE** pBuf, double nNumber )
{
//	*pBuf += sprintf( (char*)*pBuf, "%f", nNumber );

	if ( nNumber < 0 )
	{
		*(*pBuf)++ = (PM_BYTE)'-';
		nNumber = -nNumber;
	}
	ULONG nTemp = (ULONG)nNumber;
	const String aNumber1( nTemp );
	ULONG nLen = aNumber1.Len();

	for ( USHORT n = 0; n < nLen; n++ )
		*(*pBuf)++ = aNumber1[ n ];

	nTemp = (ULONG)( ( nNumber - nTemp ) * 100000 );
	if ( nTemp )
	{
		*(*pBuf)++ = (PM_BYTE)'.';
		const String aNumber2( nTemp );

		ULONG nLen = aNumber2.Len();
		if ( nLen < 8 )
		{
			for ( n = 0; n < ( 5 - nLen ); n++ )
			{
				*(*pBuf)++ = (PM_BYTE)'0';
			}
		}
		for ( USHORT n = 0; n < nLen; n++ )
		{
			*(*pBuf)++ = aNumber2[ n ];
		}
	}
	*(*pBuf)++ = ' ';
}
#endif 

inline void ImplWriteString( PM_BYTE** pBuf, const char* sString )
{
	strcpy( (char*)*pBuf, sString );
	*pBuf += strlen( sString );
}

sal_Bool Os2SalGraphics::drawEPS( long nX, long nY, long nWidth, long nHeight, void* pPtr, ULONG nSize )
{
	if ( !mbPrinter )
		return FALSE;

	PM_BOOL	bRet  = FALSE;
	LONG	nLong = 0;
	if ( !(DevQueryCaps( mhDC, CAPS_TECHNOLOGY, 1, &nLong ) &&
		   (CAPS_TECH_POSTSCRIPT == nLong)) )
		return FALSE;

	PM_BYTE*	pBuf = new PM_BYTE[ POSTSCRIPT_BUFSIZE ];
	double	nBoundingBox[4];

	if ( pBuf && ImplGetBoundingBox( nBoundingBox, (PM_BYTE*)pPtr, nSize ) )
	{
		LONG pOS2DXAry[4];		  // hack -> print always 2 white space
		POINTL aPt;
		aPt.x = 0;
		aPt.y = 0;
		PCH pStr = (PCH) "  ";
		for( long i = 0; i < 4; i++ )
			pOS2DXAry[i] = i;
		Ft2CharStringPosAt( mhPS, &aPt, NULL, 0, 2, (PCH)pStr,(PLONG)&pOS2DXAry[0] );

		OStringBuffer aBuf( POSTSCRIPT_BUFSIZE );
		
                // reserve place for a USHORT
                aBuf.append( "aa" );

                // #107797# Write out EPS encapsulation header
                // ----------------------------------------------------------------------------------

                // directly taken from the PLRM 3.0, p. 726. Note:
                // this will definitely cause problems when
                // recursively creating and embedding PostScript files
                // in OOo, since we use statically-named variables
                // here (namely, b4_Inc_state_salWin, dict_count_salWin and
                // op_count_salWin). Currently, I have no idea on how to
                // work around that, except from scanning and
                // interpreting the EPS for unused identifiers.

                // append the real text
                aBuf.append( "\n\n/b4_Inc_state_salWin save def\n"
                             "/dict_count_salWin countdictstack def\n"
                             "/op_count_salWin count 1 sub def\n"
                             "userdict begin\n"
                             "/showpage {} def\n"
                             "0 setgray 0 setlinecap\n"
                             "1 setlinewidth 0 setlinejoin\n"
                             "10 setmiterlimit [] 0 setdash newpath\n"
                             "/languagelevel where\n"
                             "{\n"
                             "  pop languagelevel\n"
                             "  1 ne\n"
                             "  {\n"
                             "    false setstrokeadjust false setoverprint\n"
                             "  } if\n"
                             "} if\n\n" );

#if 0
                // #i10737# Apply clipping manually
                // ----------------------------------------------------------------------------------

                // Windows seems to ignore any clipping at the HDC,
                // when followed by a POSTSCRIPT_PASSTHROUGH

                // Check whether we've got a clipping, consisting of
                // exactly one rect (other cases should be, but aren't
                // handled currently)

                // TODO: Handle more than one rectangle here (take
                // care, the buffer can handle only POSTSCRIPT_BUFSIZE
                // characters!)
                if ( mhRegion != 0 &&
                     mpStdClipRgnData != NULL &&
                     mpClipRgnData == mpStdClipRgnData &&
                     mpClipRgnData->rdh.nCount == 1 )
                {
                    RECT* pRect = &(mpClipRgnData->rdh.rcBound);

                    aBuf.append( "\nnewpath\n" );
                    aBuf.append( pRect->left );
                    aBuf.append( " " );
                    aBuf.append( pRect->top );
                    aBuf.append( " moveto\n" );
                    aBuf.append( pRect->right );
                    aBuf.append( " " );
                    aBuf.append( pRect->top );
                    aBuf.append( " lineto\n" );
                    aBuf.append( pRect->right );
                    aBuf.append( " " );
                    aBuf.append( pRect->bottom );
                    aBuf.append( " lineto\n" );
                    aBuf.append( pRect->left );
                    aBuf.append( " " );
                    aBuf.append( pRect->bottom );
                    aBuf.append( " lineto\n"
                                 "closepath\n"
                                 "clip\n"
                                 "newpath\n" );
                }
#endif

                // #107797# Write out buffer
                // ----------------------------------------------------------------------------------
				*((USHORT*)aBuf.getStr()) = (USHORT)( aBuf.getLength() - 2 );
				//Escape ( mhDC, nEscape, aBuf.getLength(), (LPTSTR)aBuf.getStr(), 0 );
				DevEscape( mhDC, DEVESC_RAWDATA, aBuf.getLength(),
						(PM_BYTE*)aBuf.getStr(), 0, NULL );
		
		double dM11 = nWidth / ( nBoundingBox[2] - nBoundingBox[0] );
		double dM22 = - ( nHeight / (nBoundingBox[1] - nBoundingBox[3] ) );

                // reserve a USHORT again
                aBuf.setLength( 2 );
                aBuf.append( "\n\n[" );
                aBuf.append( dM11 );
                aBuf.append( " 0 0 " );
                aBuf.append( dM22 );
                aBuf.append( ' ' );
                aBuf.append( nX - ( dM11 * nBoundingBox[0] ) );
                aBuf.append( ' ' );
                aBuf.append( nY - ( dM22 * nBoundingBox[3] ) );
                aBuf.append( "] concat\n"
                             "%%BeginDocument:\n" );
				*((USHORT*)aBuf.getStr()) = (USHORT)( aBuf.getLength() - 2 );
				DevEscape( mhDC, DEVESC_RAWDATA, aBuf.getLength(),
						(PM_BYTE*)aBuf.getStr(), 0, NULL );
#if 0
		PM_BYTE* pTemp = pBuf;
		ImplWriteString( &pTemp, "save\n[ " );
		ImplWriteDouble( &pTemp, dM11 );
		ImplWriteDouble( &pTemp, 0 );
		ImplWriteDouble( &pTemp, 0 );
		ImplWriteDouble( &pTemp, dM22 );
		ImplWriteDouble( &pTemp, nX - ( dM11 * nBoundingBox[0] ) );
		ImplWriteDouble( &pTemp, mnHeight - nY - ( dM22 * nBoundingBox[3] ) );
		ImplWriteString( &pTemp, "] concat /showpage {} def\n" );

		if ( DevEscape( mhDC, DEVESC_RAWDATA, pTemp - pBuf,
			(PM_BYTE*)pBuf, 0, NULL ) == DEV_OK )
#endif //
		{
			sal_uInt32 nToDo = nSize;
			sal_uInt32 nDoNow;
			bRet = TRUE;
			while( nToDo && bRet )
			{
				nDoNow = 0x4000;
				if ( nToDo < nDoNow )
					nDoNow = nToDo;

				if ( DevEscape( mhDC, DEVESC_RAWDATA, nDoNow, (PM_BYTE*)pPtr + nSize - nToDo,
				   0, NULL ) == -1 )
					bRet = FALSE;
				nToDo -= nDoNow;
			}

			if ( bRet )
			{
				strcpy ( (char*)pBuf, "\nrestore\n" );
				if ( DevEscape( mhDC, DEVESC_RAWDATA, 9, (PM_BYTE*)pBuf,
					0, NULL ) == DEV_OK ) bRet = TRUE;
			}
			
                // #107797# Write out EPS encapsulation footer
                // ----------------------------------------------------------------------------------
                // reserve a USHORT again
                aBuf.setLength( 2 );
                aBuf.append( "%%EndDocument\n"
                             "count op_count_salWin sub {pop} repeat\n"
                             "countdictstack dict_count_salWin sub {end} repeat\n"
                             "b4_Inc_state_salWin restore\n\n" );
				*((USHORT*)aBuf.getStr()) = (USHORT)( aBuf.getLength() - 2 );
				DevEscape( mhDC, DEVESC_RAWDATA, aBuf.getLength(),
						(PM_BYTE*)aBuf.getStr(), 0, NULL );
				bRet = TRUE;
			
		}
	}
	delete [] pBuf;
	return bRet;
}

/*
 * IsNativeControlSupported()
 *
 *  Returns TRUE if the platform supports native
 *  drawing of the control defined by nPart
 */
sal_Bool Os2SalGraphics::IsNativeControlSupported( ControlType nType, ControlPart nPart )
{
	return( FALSE );
}

// -----------------------------------------------------------------------

SystemGraphicsData Os2SalGraphics::GetGraphicsData() const
{
    SystemGraphicsData aRes;
    aRes.nSize = sizeof(aRes);
#if 0
    aRes.hDC = mhDC;
#endif
    return aRes;
}

// -----------------------------------------------------------------------