xref: /aoo41x/main/svtools/source/filter/wmf/winwmf.cxx (revision 45fd3b9a)

/**************************************************************
 *
 * 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.
 *
 *************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svtools.hxx"

#include "winmtf.hxx"
#include <vcl/gdimtf.hxx>
#include <rtl/crc.h>
#include <rtl/tencinfo.h>
#include <osl/endian.h>
#include <vcl/svapp.hxx>
#include <vcl/dibtools.hxx>

//====================== MS-Windows-defines ===============================

#define W_META_SETBKCOLOR           0x0201
#define W_META_SETBKMODE            0x0102
#define W_META_SETMAPMODE           0x0103
#define W_META_SETROP2              0x0104
#define W_META_SETRELABS            0x0105
#define W_META_SETPOLYFILLMODE      0x0106
#define W_META_SETSTRETCHBLTMODE    0x0107
#define W_META_SETTEXTCHAREXTRA     0x0108
#define W_META_SETTEXTCOLOR         0x0209
#define W_META_SETTEXTJUSTIFICATION 0x020A
#define W_META_SETWINDOWORG         0x020B
#define W_META_SETWINDOWEXT         0x020C
#define W_META_SETVIEWPORTORG       0x020D
#define W_META_SETVIEWPORTEXT       0x020E
#define W_META_OFFSETWINDOWORG      0x020F
#define W_META_SCALEWINDOWEXT       0x0410
#define W_META_OFFSETVIEWPORTORG    0x0211
#define W_META_SCALEVIEWPORTEXT     0x0412
#define W_META_LINETO               0x0213
#define W_META_MOVETO               0x0214
#define W_META_EXCLUDECLIPRECT      0x0415
#define W_META_INTERSECTCLIPRECT    0x0416
#define W_META_ARC                  0x0817
#define W_META_ELLIPSE              0x0418
#define W_META_FLOODFILL            0x0419
#define W_META_PIE                  0x081A
#define W_META_RECTANGLE            0x041B
#define W_META_ROUNDRECT            0x061C
#define W_META_PATBLT               0x061D
#define W_META_SAVEDC               0x001E
#define W_META_SETPIXEL             0x041F
#define W_META_OFFSETCLIPRGN        0x0220
#define W_META_TEXTOUT              0x0521
#define W_META_BITBLT               0x0922
#define W_META_STRETCHBLT           0x0B23
#define W_META_POLYGON              0x0324
#define W_META_POLYLINE             0x0325
#define W_META_ESCAPE               0x0626
#define W_META_RESTOREDC            0x0127
#define W_META_FILLREGION           0x0228
#define W_META_FRAMEREGION          0x0429
#define W_META_INVERTREGION         0x012A
#define W_META_PAINTREGION          0x012B
#define W_META_SELECTCLIPREGION     0x012C
#define W_META_SELECTOBJECT         0x012D
#define W_META_SETTEXTALIGN         0x012E
#define W_META_DRAWTEXT             0x062F
#define W_META_CHORD                0x0830
#define W_META_SETMAPPERFLAGS       0x0231
#define W_META_EXTTEXTOUT           0x0a32
#define W_META_SETDIBTODEV          0x0d33
#define W_META_SELECTPALETTE        0x0234
#define W_META_REALIZEPALETTE       0x0035
#define W_META_ANIMATEPALETTE       0x0436
#define W_META_SETPALENTRIES        0x0037
#define W_META_POLYPOLYGON          0x0538
#define W_META_RESIZEPALETTE        0x0139
#define W_META_DIBBITBLT            0x0940
#define W_META_DIBSTRETCHBLT        0x0b41
#define W_META_DIBCREATEPATTERNBRUSH 0x0142
#define W_META_STRETCHDIB           0x0f43
#define W_META_EXTFLOODFILL         0x0548
#define W_META_RESETDC              0x014C
#define W_META_STARTDOC             0x014D
#define W_META_STARTPAGE            0x004F
#define W_META_ENDPAGE              0x0050
#define W_META_ABORTDOC             0x0052
#define W_META_ENDDOC               0x005E
#define W_META_DELETEOBJECT         0x01f0
#define W_META_CREATEPALETTE        0x00f7
#define W_META_CREATEBRUSH          0x00F8
#define W_META_CREATEPATTERNBRUSH   0x01F9
#define W_META_CREATEPENINDIRECT    0x02FA
#define W_META_CREATEFONTINDIRECT   0x02FB
#define W_META_CREATEBRUSHINDIRECT  0x02FC
#define W_META_CREATEBITMAPINDIRECT 0x02FD
#define W_META_CREATEBITMAP         0x06FE
#define W_META_CREATEREGION         0x06FF

//=================== Methoden von WMFReader ==============================

inline Point WMFReader::ReadPoint()
{
	short nX, nY;
	*pWMF >> nX >> nY;
	return Point( nX, nY );
}

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

inline Point WMFReader::ReadYX()
{
	short nX, nY;
	*pWMF >> nY >> nX;
	return Point( nX, nY );
}

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

Rectangle WMFReader::ReadRectangle()
{
	Point aBR, aTL;
	aBR = ReadYX();
	aTL = ReadYX();
	aBR.X()--;
	aBR.Y()--;
	return Rectangle( aTL, aBR );
}

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

Size WMFReader::ReadYXExt()
{
	short nW, nH;
	*pWMF >> nH >> nW;
	return Size( nW, nH );
}

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

void WMFReader::ReadRecordParams( sal_uInt16 nFunc )
{
	switch( nFunc )
	{
		case W_META_SETBKCOLOR:
		{
			pOut->SetBkColor( ReadColor() );
		}
		break;

		case W_META_SETBKMODE:
		{
			sal_uInt16 nDat;
			*pWMF >> nDat;
			pOut->SetBkMode( nDat );
		}
		break;

		// !!!
		case W_META_SETMAPMODE:
		{
			sal_Int16 nMapMode;
			*pWMF >> nMapMode;
			pOut->SetMapMode( nMapMode );
		}
		break;

		case W_META_SETROP2:
		{
			sal_uInt16 nROP2;
			*pWMF >> nROP2;
			pOut->SetRasterOp( nROP2 );
		}
		break;

		case W_META_SETTEXTCOLOR:
		{
			pOut->SetTextColor( ReadColor() );
		}
		break;

		case W_META_SETWINDOWORG:
		{
			pOut->SetWinOrg( ReadYX() );
		}
		break;

		case W_META_SETWINDOWEXT:
		{
			short nWidth, nHeight;
			*pWMF >> nHeight >> nWidth;
			pOut->SetWinExt( Size( nWidth, nHeight ) );
		}
		break;

		case W_META_OFFSETWINDOWORG:
		{
			short nXAdd, nYAdd;
			*pWMF >> nYAdd >> nXAdd;
			pOut->SetWinOrgOffset( nXAdd, nYAdd );
		}
		break;

		case W_META_SCALEWINDOWEXT:
		{
			short nXNum, nXDenom, nYNum, nYDenom;
			*pWMF >> nYDenom >> nYNum >> nXDenom >> nXNum;
			pOut->ScaleWinExt( (double)nXNum / nXDenom, (double)nYNum / nYDenom );
		}
		break;

		case W_META_SETVIEWPORTORG:
		case W_META_SETVIEWPORTEXT:
		break;

		case W_META_OFFSETVIEWPORTORG:
		{
			short nXAdd, nYAdd;
			*pWMF >> nYAdd >> nXAdd;
			pOut->SetDevOrgOffset( nXAdd, nYAdd );
		}
		break;

		case W_META_SCALEVIEWPORTEXT:
		{
			short nXNum, nXDenom, nYNum, nYDenom;
			*pWMF >> nYDenom >> nYNum >> nXDenom >> nXNum;
			pOut->ScaleDevExt( (double)nXNum / nXDenom, (double)nYNum / nYDenom );
		}
		break;

		case W_META_LINETO:
		{
			pOut->LineTo( ReadYX() );
		}
		break;

		case W_META_MOVETO:
		{
			pOut->MoveTo( ReadYX() );
		}
		break;

		case W_META_INTERSECTCLIPRECT:
		{
			pOut->IntersectClipRect( ReadRectangle() );
		}
		break;

		case W_META_RECTANGLE:
		{
			pOut->DrawRect( ReadRectangle() );
		}
		break;

		case W_META_ROUNDRECT:
		{
			Size aSize( ReadYXExt() );
			pOut->DrawRoundRect( ReadRectangle(), Size( aSize.Width() / 2, aSize.Height() / 2 ) );
		}
		break;

		case W_META_ELLIPSE:
		{
			pOut->DrawEllipse( ReadRectangle() );
		}
		break;

		case W_META_ARC:
		{
			Point aEnd( ReadYX() );
			Point aStart( ReadYX() );
			Rectangle aRect( ReadRectangle() );
			aRect.Justify();
			pOut->DrawArc( aRect, aStart, aEnd );
		}
		break;

		case W_META_PIE:
		{
			Point     aEnd( ReadYX() );
			Point     aStart( ReadYX() );
            Rectangle aRect( ReadRectangle() );
			aRect.Justify();

            // #i73608# OutputDevice deviates from WMF
            // semantics. start==end means full ellipse here.
            if( aStart == aEnd )
                pOut->DrawEllipse( aRect );
            else
                pOut->DrawPie( aRect, aStart, aEnd );
		}
		break;

		case W_META_CHORD:
		{
			Point aEnd( ReadYX() );
			Point aStart( ReadYX() );
			Rectangle aRect( ReadRectangle() );
			aRect.Justify();
			pOut->DrawChord( aRect, aStart, aEnd );
		}
		break;

		case W_META_POLYGON:
		{
			sal_uInt16 i,nPoints;
			*pWMF >> nPoints;
			Polygon aPoly( nPoints );
			for( i = 0; i < nPoints; i++ )
				aPoly[ i ] = ReadPoint();
			pOut->DrawPolygon( aPoly );
		}
		break;

		case W_META_POLYPOLYGON:
		{
            sal_uInt16 nPolyCount(0);

            // get number of polygons
            *pWMF >> nPolyCount;

            if(nPolyCount && !pWMF->IsEof())
            {
    			sal_uInt16*	pnPoints = new sal_uInt16[nPolyCount];
                sal_uInt16 a(0);
                PolyPolygon aPolyPoly(nPolyCount, nPolyCount);

                for(a = 0; a < nPolyCount && !pWMF->IsEof(); a++)
                {
                    *pWMF >> pnPoints[a];
                }

                for(a = 0; a < nPolyCount && !pWMF->IsEof(); a++)
                {
                    const sal_uInt16 nPointCount(pnPoints[a]);
        			Point* pPtAry = new Point[nPointCount];

                    for(sal_uInt16 b(0); b < nPointCount && !pWMF->IsEof(); b++)
                    {
                        pPtAry[b] = ReadPoint();
                    }

                    aPolyPoly.Insert(Polygon(nPointCount, pPtAry));
                    delete[] pPtAry;
                }

                delete[] pnPoints;
    			pOut->DrawPolyPolygon(aPolyPoly);
            }
		}
		break;

		case W_META_POLYLINE:
		{
			sal_uInt16 i,nPoints;
			*pWMF >> nPoints;
			Polygon aPoly( nPoints );
			for( i = 0; i < nPoints; i++ )
				aPoly[ i ] = ReadPoint();
			pOut->DrawPolyLine( aPoly );
		}
		break;

		case W_META_SAVEDC:
		{
			pOut->Push();
		}
		break;

		case W_META_RESTOREDC:
		{
			pOut->Pop();
		}
		break;

		case W_META_SETPIXEL:
		{
			const Color aColor = ReadColor();
			pOut->DrawPixel( ReadYX(), aColor );
		}
		break;

		case W_META_OFFSETCLIPRGN:
		{
			pOut->MoveClipRegion( ReadYXExt() );
		}
		break;

		case W_META_TEXTOUT:
		{
			sal_uInt16 nLength;
			*pWMF >> nLength;
			if ( nLength )
			{
				char*	pChar = new char[ ( nLength + 1 ) &~ 1 ];
				pWMF->Read( pChar, ( nLength + 1 ) &~ 1 );
				String aText( pChar, nLength, pOut->GetCharSet() );
				delete[] pChar;
				Point aPosition( ReadYX() );
				pOut->DrawText( aPosition, aText );
			}
		}
		break;

		case W_META_EXTTEXTOUT:
		{
			sal_Int16	nDx, nDxTmp;
			sal_uInt16	i, nLen, nOptions;
			sal_Int32	nRecordPos, nRecordSize, nOriginalTextLen, nNewTextLen;
			Point		aPosition;
			Rectangle	aRect;
			sal_Int32*	pDXAry = NULL;

			pWMF->SeekRel(-6);
			nRecordPos = pWMF->Tell();
			*pWMF >> nRecordSize;
			pWMF->SeekRel(2);
			aPosition = ReadYX();
			*pWMF >> nLen >> nOptions;

			sal_Int32 nTextLayoutMode = TEXT_LAYOUT_DEFAULT;
			if ( nOptions & ETO_RTLREADING )
				nTextLayoutMode = TEXT_LAYOUT_BIDI_RTL | TEXT_LAYOUT_TEXTORIGIN_LEFT;
			pOut->SetTextLayoutMode( nTextLayoutMode );
			DBG_ASSERT( ( nOptions & ( ETO_PDY | ETO_GLYPH_INDEX ) ) == 0, "SJ: ETO_PDY || ETO_GLYPH_INDEX in WMF" );

			// Nur wenn der Text auch Zeichen enthaelt, macht die Ausgabe Sinn
			if( nLen )
			{
				nOriginalTextLen = nLen;
				if( nOptions & ETO_CLIPPED )
				{
					const Point aPt1( ReadPoint() );
					const Point aPt2( ReadPoint() );
					aRect = Rectangle( aPt1, aPt2 );
				}
				char* pChar = new char[ ( nOriginalTextLen + 1 ) &~ 1 ];
				pWMF->Read( pChar, ( nOriginalTextLen + 1 ) &~ 1 );
				String aText( pChar, (sal_uInt16)nOriginalTextLen, pOut->GetCharSet() );// after this conversion the text may contain
				nNewTextLen = aText.Len();										        // less character (japanese version), so the
				delete[] pChar;													        // dxAry will not fit

				if ( nNewTextLen )
				{
					sal_uInt32	nMaxStreamPos = nRecordPos + ( nRecordSize << 1 );
					sal_Int32	nDxArySize =  nMaxStreamPos - pWMF->Tell();
					sal_Int32	nDxAryEntries = nDxArySize >> 1;
					sal_Bool	bUseDXAry = sal_False;

					if ( ( ( nDxAryEntries % nOriginalTextLen ) == 0 ) && ( nNewTextLen <= nOriginalTextLen ) )
					{
						pDXAry = new sal_Int32[ nNewTextLen ];
						for ( i = 0; i < nNewTextLen; i++ )
						{
							if ( pWMF->Tell() >= nMaxStreamPos )
								break;
							*pWMF >> nDx;
							if ( nNewTextLen != nOriginalTextLen )
							{
								ByteString aTmp( aText.GetChar( i ), pOut->GetCharSet() );
								if ( aTmp.Len() > 1 )
								{
									sal_Int32 nDxCount = aTmp.Len() - 1;
									if ( ( ( nDxCount * 2 ) + pWMF->Tell() ) > nMaxStreamPos )
										break;
									while ( nDxCount-- )
									{
										*pWMF >> nDxTmp;
										nDx = nDx + nDxTmp;
									}
								}
							}
							pDXAry[ i ] = nDx;
						}
						if ( i == nNewTextLen )
							bUseDXAry = sal_True;
					}
					if ( pDXAry && bUseDXAry )
						pOut->DrawText( aPosition, aText, pDXAry );
					else
						pOut->DrawText( aPosition, aText );
				}
			}
			delete[] pDXAry;

		}
		break;

		case W_META_SELECTOBJECT:
		{
			sal_Int16	nObjIndex;
			*pWMF >> nObjIndex;
			pOut->SelectObject( nObjIndex );
		}
		break;

		case W_META_SETTEXTALIGN:
		{
			sal_uInt16	nAlign;
			*pWMF >> nAlign;
			pOut->SetTextAlign( nAlign );
		}
		break;

		case W_META_BITBLT:
		{
			// 0-3   : nWinROP						#93454#
			// 4-5   : y offset of source bitmap
			// 6-7   : x offset of source bitmap
			// 8-9   : used height of source bitmap
			// 10-11 : used width  of source bitmap
			// 12-13 : destination position y (in pixel)
			// 14-15 : destination position x (in pixel)
			// 16-17 : dont know
			// 18-19 : Width Bitmap in Pixel
			// 20-21 : Height Bitmap in Pixel
			// 22-23 : bytes per scanline
			// 24    : planes
			// 25	 : bitcount

			sal_Int32	nWinROP;
			sal_uInt16	nSx, nSy, nSxe, nSye, nDontKnow, nWidth, nHeight, nBytesPerScan;
			sal_uInt8	nPlanes, nBitCount;

			*pWMF >> nWinROP
				  >> nSy >> nSx >> nSye >> nSxe;
			Point aPoint( ReadYX() );
			*pWMF >> nDontKnow >> nWidth >> nHeight >> nBytesPerScan >> nPlanes >> nBitCount;

			if ( nWidth && nHeight && ( nPlanes == 1 ) && ( nBitCount == 1 ) )
			{
				Bitmap aBmp( Size( nWidth, nHeight ), nBitCount );
				BitmapWriteAccess* pAcc;
				pAcc = aBmp.AcquireWriteAccess();
				if ( pAcc )
				{
					sal_uInt16 y, x, scan;
					sal_Int8 i, nEightPixels;
					for ( y = 0; y < nHeight; y++ )
					{
						x = 0;
						for ( scan = 0; scan < nBytesPerScan; scan++ )
						{
							*pWMF >> nEightPixels;
							for ( i = 7; i >= 0; i-- )
							{
								if ( x < nWidth )
								{
									pAcc->SetPixelIndex( y, x, (nEightPixels>>i)&1 );
								}
								x++;
							}
						}
					}
					aBmp.ReleaseAccess( pAcc );
                    if ( nSye && nSxe &&
                        ( ( nSx + nSxe ) <= aBmp.GetSizePixel().Width() ) &&
                            ( ( nSy + nSye <= aBmp.GetSizePixel().Height() ) ) )
                    {
                        Rectangle aCropRect( Point( nSx, nSy ), Size( nSxe, nSye ) );
                        aBmp.Crop( aCropRect );
                    }
					Rectangle aDestRect( aPoint, Size( nSxe, nSye ) );
				    aBmpSaveList.Insert( new BSaveStruct( aBmp, aDestRect, nWinROP ), LIST_APPEND );
				}
			}
		}
		break;

		case W_META_STRETCHBLT:
		case W_META_DIBBITBLT:
		case W_META_DIBSTRETCHBLT:
		case W_META_STRETCHDIB:
		{
			sal_Int32   nWinROP;
			sal_uInt16  nSx, nSy, nSxe, nSye, nUsage;
			Bitmap		aBmp;

			*pWMF >> nWinROP;

			if( nFunc == W_META_STRETCHDIB )
				*pWMF >> nUsage;

            // nSye and nSxe is the number of pixels that has to been used
			if( nFunc == W_META_STRETCHDIB || nFunc == W_META_STRETCHBLT || nFunc == W_META_DIBSTRETCHBLT )
				*pWMF >> nSye >> nSxe;
            else
                nSye = nSxe = 0;    // set this to zero as indicator not to scale the bitmap later

            // nSy and nx is the offset of the first pixel
			*pWMF >> nSy >> nSx;

			if( nFunc == W_META_STRETCHDIB || nFunc == W_META_DIBBITBLT || nFunc == W_META_DIBSTRETCHBLT )
			{
				if ( nWinROP == PATCOPY )
					*pWMF >> nUsage;	// i don't know anything of this parameter, so its called nUsage
										// pOut->DrawRect( Rectangle( ReadYX(), aDestSize ), sal_False );

				Size aDestSize( ReadYXExt() );
                if ( aDestSize.Width() && aDestSize.Height() )  // #92623# do not try to read buggy bitmaps
                {
				    Rectangle aDestRect( ReadYX(), aDestSize );
				    if ( nWinROP != PATCOPY )
					    ReadDIB(aBmp, *pWMF, false);

                    // test if it is sensible to crop
                    if ( nSye && nSxe &&
                        ( ( nSx + nSxe ) <= aBmp.GetSizePixel().Width() ) &&
                            ( ( nSy + nSye <= aBmp.GetSizePixel().Height() ) ) )
                    {
                        Rectangle aCropRect( Point( nSx, nSy ), Size( nSxe, nSye ) );
                        aBmp.Crop( aCropRect );
                    }
				    aBmpSaveList.Insert( new BSaveStruct( aBmp, aDestRect, nWinROP ), LIST_APPEND );
                }
			}
		}
		break;

		case W_META_DIBCREATEPATTERNBRUSH:
		{
			Bitmap	aBmp;
			BitmapReadAccess* pBmp;
			sal_uInt32	nRed = 0, nGreen = 0, nBlue = 0, nCount = 1;
			sal_uInt16	nFunction;

			*pWMF >> nFunction >> nFunction;

			ReadDIB(aBmp, *pWMF, false);
			pBmp = aBmp.AcquireReadAccess();
			if ( pBmp )
			{
				for ( sal_Int32 y = 0; y < pBmp->Height(); y++ )
				{
					for ( sal_Int32 x = 0; x < pBmp->Width(); x++ )
					{
						const BitmapColor aColor( pBmp->GetColor( y, x ) );

						nRed += aColor.GetRed();
						nGreen += aColor.GetGreen();
						nBlue += aColor.GetBlue();
					}
				}
				nCount = pBmp->Height() * pBmp->Width();
				if ( !nCount )
					nCount++;
				aBmp.ReleaseAccess( pBmp );
			}
			Color aColor( (sal_uInt8)( nRed / nCount ), (sal_uInt8)( nGreen / nCount ), (sal_uInt8)( nBlue / nCount ) );
			pOut->CreateObject( GDI_BRUSH, new WinMtfFillStyle( aColor, sal_False ) );
		}
		break;

		case W_META_DELETEOBJECT:
		{
			sal_Int16 nIndex;
			*pWMF >> nIndex;
			pOut->DeleteObject( nIndex );
		}
		break;

		case W_META_CREATEPALETTE:
		{
			pOut->CreateObject( GDI_DUMMY );
		}
		break;

		case W_META_CREATEBRUSH:
		{
			pOut->CreateObject( GDI_BRUSH, new WinMtfFillStyle( Color( COL_WHITE ), sal_False ) );
		}
		break;

		case W_META_CREATEPATTERNBRUSH:
		{
			pOut->CreateObject( GDI_BRUSH, new WinMtfFillStyle( Color( COL_WHITE ), sal_False ) );
		}
		break;

		case W_META_CREATEPENINDIRECT:
		{
			LineInfo	aLineInfo;
			sal_uInt16		nStyle, nWidth, nHeight;

			*pWMF >> nStyle >> nWidth >> nHeight;

			if ( nWidth )
				aLineInfo.SetWidth( nWidth );

			sal_Bool bTransparent = sal_False;
			sal_uInt16 nDashCount = 0;
			sal_uInt16 nDotCount = 0;
			switch( nStyle )
			{
				case PS_DASHDOTDOT :
					nDotCount++;
				case PS_DASHDOT :
					nDashCount++;
				case PS_DOT :
					nDotCount++;
				break;
				case PS_DASH :
					nDashCount++;
				break;
				case PS_NULL :
					bTransparent = sal_True;
					aLineInfo.SetStyle( LINE_NONE );
				break;
				default :
				case PS_INSIDEFRAME :
				case PS_SOLID :
					aLineInfo.SetStyle( LINE_SOLID );
			}
			if ( nDashCount | nDotCount )
			{
				aLineInfo.SetStyle( LINE_DASH );
				aLineInfo.SetDashCount( nDashCount );
				aLineInfo.SetDotCount( nDotCount );
			}
			pOut->CreateObject( GDI_PEN, new WinMtfLineStyle( ReadColor(), aLineInfo, bTransparent ) );
		}
		break;

		case W_META_CREATEBRUSHINDIRECT:
		{
			sal_uInt16	nStyle;
			*pWMF >> nStyle;
			pOut->CreateObject( GDI_BRUSH, new WinMtfFillStyle( ReadColor(), ( nStyle == BS_HOLLOW ) ? sal_True : sal_False ) );
		}
		break;

		case W_META_CREATEFONTINDIRECT:
		{
			Size	aFontSize;
			char	lfFaceName[ LF_FACESIZE ];
			sal_Int16	lfEscapement, lfOrientation, lfWeight;	// ( ehemals sal_uInt16 )

			LOGFONTW aLogFont;
			aFontSize = ReadYXExt();
			*pWMF >> lfEscapement >> lfOrientation >> lfWeight
					>> aLogFont.lfItalic >> aLogFont.lfUnderline >> aLogFont.lfStrikeOut >> aLogFont.lfCharSet >> aLogFont.lfOutPrecision
						>> aLogFont.lfClipPrecision >> aLogFont.lfQuality >> aLogFont.lfPitchAndFamily;
			pWMF->Read( lfFaceName, LF_FACESIZE );
			aLogFont.lfWidth = aFontSize.Width();
			aLogFont.lfHeight = aFontSize.Height();
			aLogFont.lfEscapement = lfEscapement;
			aLogFont.lfOrientation = lfOrientation;
			aLogFont.lfWeight = lfWeight;

			CharSet eCharSet;
			if ( ( aLogFont.lfCharSet == OEM_CHARSET ) || ( aLogFont.lfCharSet == DEFAULT_CHARSET ) )
				eCharSet = gsl_getSystemTextEncoding();
			else
				eCharSet = rtl_getTextEncodingFromWindowsCharset( aLogFont.lfCharSet );
			if ( eCharSet == RTL_TEXTENCODING_DONTKNOW )
				eCharSet = gsl_getSystemTextEncoding();
			if ( eCharSet == RTL_TEXTENCODING_SYMBOL )
				eCharSet = RTL_TEXTENCODING_MS_1252;
			aLogFont.alfFaceName = UniString( lfFaceName, eCharSet );

			pOut->CreateObject( GDI_FONT, new WinMtfFontStyle( aLogFont ) );
		}
		break;

		case W_META_CREATEBITMAPINDIRECT:
		{
			pOut->CreateObject( GDI_DUMMY );
		}
		break;

		case W_META_CREATEBITMAP:
		{
			pOut->CreateObject( GDI_DUMMY );
		}
		break;

		case W_META_CREATEREGION:
		{
			pOut->CreateObject( GDI_DUMMY );
    	}
		break;

		case W_META_EXCLUDECLIPRECT :
		{
			pOut->ExcludeClipRect( ReadRectangle() );
		}
		break;

		case W_META_PATBLT:
		{
			sal_uInt32 nROP, nOldROP;
			*pWMF >> nROP;
			Size aSize = ReadYXExt();
			nOldROP = pOut->SetRasterOp( nROP );
			pOut->DrawRect( Rectangle( ReadYX(), aSize ), sal_False );
			pOut->SetRasterOp( nOldROP );
		}
		break;

		case W_META_SELECTCLIPREGION:
        {
            sal_Int16 nObjIndex;
            *pWMF >> nObjIndex;
            if ( !nObjIndex )
            {
                PolyPolygon aEmptyPolyPoly;
                pOut->SetClipPath( aEmptyPolyPoly, RGN_COPY, sal_True );
            }
        }
        break;

		case W_META_ESCAPE :
		{
			// nRecSize has been checked previously to be greater than 3
			sal_uInt64 nMetaRecSize = static_cast< sal_uInt64 >( nRecSize - 2 ) * 2;
			sal_uInt64 nMetaRecEndPos = pWMF->Tell() + nMetaRecSize;

			// taking care that nRecSize does not exceed the maximal stream position
			if ( nMetaRecEndPos > nEndPos )
			{
				pWMF->SetError( SVSTREAM_FILEFORMAT_ERROR );
				break;
			}
			if ( nRecSize >= 4 )	// minimal escape lenght
			{
				sal_uInt16	nMode, nLen;
				*pWMF >> nMode
					  >> nLen;
                if ( ( nMode == W_MFCOMMENT ) && ( nLen >= 4 ) )
                {
                    sal_uInt32 nNewMagic; // we have to read int32 for
                    *pWMF >> nNewMagic;   // META_ESCAPE_ENHANCED_METAFILE CommentIdentifier

                    if( nNewMagic == 0x2c2a4f4f &&  nLen >= 14 )
                    {
                        sal_uInt16 nMagic2;
                        *pWMF >> nMagic2;
                        if( nMagic2 == 0x0a ) // 2nd half of magic
                        {                     // continue with private escape
                            sal_uInt32 nCheck, nEsc;
                            *pWMF >> nCheck
                                  >> nEsc;

					        sal_uInt32 nEscLen = nLen - 14;
					        if ( nEscLen <= ( nRecSize * 2 ) )
					        {
#ifdef OSL_BIGENDIAN
						        sal_uInt32 nTmp = SWAPLONG( nEsc );
						        sal_uInt32 nCheckSum = rtl_crc32( 0, &nTmp, 4 );
#else
						        sal_uInt32 nCheckSum = rtl_crc32( 0, &nEsc, 4 );
#endif
						        sal_Int8* pData = NULL;

						        if ( ( static_cast< sal_uInt64 >( nEscLen ) + pWMF->Tell() ) > nMetaRecEndPos )
						        {
							        pWMF->SetError( SVSTREAM_FILEFORMAT_ERROR );
							        break;
						        }
						        if ( nEscLen > 0 )
						        {
							        pData = new sal_Int8[ nEscLen ];
							        pWMF->Read( pData, nEscLen );
							        nCheckSum = rtl_crc32( nCheckSum, pData, nEscLen );
						        }
						        if ( nCheck == nCheckSum )
						        {
							        switch( nEsc )
							        {
								        case PRIVATE_ESCAPE_UNICODE :
								        {
                                            // we will use text instead of polygons only if we have the correct font
									        if ( Application::GetDefaultDevice()->IsFontAvailable( pOut->GetFont().GetName() ) )
									        {
										        Point  aPt;
										        String aString;
										        sal_uInt32	i, nStringLen, nDXCount;
										        sal_Int32* pDXAry = NULL;
										        SvMemoryStream aMemoryStream( nEscLen );
										        aMemoryStream.Write( pData, nEscLen );
										        aMemoryStream.Seek( STREAM_SEEK_TO_BEGIN );
										        aMemoryStream >> aPt.X()
													          >> aPt.Y()
													          >> nStringLen;

										        if ( ( static_cast< sal_uInt64 >( nStringLen ) * sizeof( sal_Unicode ) ) < ( nEscLen - aMemoryStream.Tell() ) )
										        {
											        sal_Unicode* pBuf = aString.AllocBuffer( (xub_StrLen)nStringLen );
											        for ( i = 0; i < nStringLen; i++ )
												        aMemoryStream >> pBuf[ i ];
											        aMemoryStream >> nDXCount;
											        if ( ( static_cast< sal_uInt64 >( nDXCount ) * sizeof( sal_Int32 ) ) >= ( nEscLen - aMemoryStream.Tell() ) )
												        nDXCount = 0;
											        if ( nDXCount )
												        pDXAry = new sal_Int32[ nDXCount ];
											        for  ( i = 0; i < nDXCount; i++ )
												        aMemoryStream >> pDXAry[ i ];
											        aMemoryStream >> nSkipActions;
											        pOut->DrawText( aPt, aString, pDXAry );
											        delete[] pDXAry;
										        }
									        }
								        }
								        break;
							        }
						        }
						        delete[] pData;
					        }
                        }
                    }
                    else if ( (nNewMagic == static_cast< sal_uInt32 >(0x43464D57)) && (nLen >= 34) && ( (sal_Int32)(nLen + 10) <= (sal_Int32)(nRecSize * 2) ))
                    {
                        sal_uInt32 nComType, nVersion, nFlags, nComRecCount,
                                   nCurRecSize, nRemainingSize, nEMFTotalSize;
                        sal_uInt16 nCheck;

                        *pWMF >> nComType >> nVersion >> nCheck >> nFlags
                              >> nComRecCount >> nCurRecSize
                              >> nRemainingSize >> nEMFTotalSize; // the nRemainingSize is not mentioned in MSDN documentation
                                                                  // but it seems to be required to read in data produced by OLE

                        if( nComType == 0x01 && nVersion == 0x10000 && nComRecCount )
                        {
                            if( !nEMFRec )
                            {   // first EMF comment
                                nEMFRecCount    = nComRecCount;
                                nEMFSize        = nEMFTotalSize;
                                pEMFStream = new SvMemoryStream( nEMFSize );
                            }
                            else if( ( nEMFRecCount != nComRecCount ) || ( nEMFSize != nEMFTotalSize ) ) // add additional checks here
                            {
                                // total records should be the same as in previous comments
                                nEMFRecCount = 0xFFFFFFFF;
                                delete pEMFStream;
                                pEMFStream = NULL;
                            }
                            nEMFRec++;

                            if( pEMFStream && nCurRecSize + 34 > nLen )
                            {
                                nEMFRecCount = 0xFFFFFFFF;
                                delete pEMFStream;
                                pEMFStream = NULL;
                            }

                            if( pEMFStream )
                            {
                                sal_Int8* pBuf = new sal_Int8[ nCurRecSize ];
                                sal_uInt32 nCount = pWMF->Read( pBuf, nCurRecSize );
                                if( nCount == nCurRecSize )
                                    pEMFStream->Write( pBuf, nCount );
                                delete[] pBuf;
                            }
                        }
                    }
				}
			}
		}
		break;

		case W_META_SETRELABS:
		case W_META_SETPOLYFILLMODE:
		case W_META_SETSTRETCHBLTMODE:
		case W_META_SETTEXTCHAREXTRA:
		case W_META_SETTEXTJUSTIFICATION:
		case W_META_FLOODFILL :
		case W_META_FILLREGION:
		case W_META_FRAMEREGION:
		case W_META_INVERTREGION:
		case W_META_PAINTREGION:
		case W_META_DRAWTEXT:
		case W_META_SETMAPPERFLAGS:
		case W_META_SETDIBTODEV:
		case W_META_SELECTPALETTE:
		case W_META_REALIZEPALETTE:
		case W_META_ANIMATEPALETTE:
		case W_META_SETPALENTRIES:
		case W_META_RESIZEPALETTE:
		case W_META_EXTFLOODFILL:
		case W_META_RESETDC:
		case W_META_STARTDOC:
		case W_META_STARTPAGE:
		case W_META_ENDPAGE:
		case W_META_ABORTDOC:
		case W_META_ENDDOC:
		break;
	}
}

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

sal_Bool WMFReader::ReadHeader()
{
	Rectangle	aPlaceableBound;
	sal_uInt32  nl, nStrmPos = pWMF->Tell();

	// Einlesen des METAFILEHEADER, falls vorhanden
	*pWMF >> nl;

    Size aWMFSize;
	if ( nl == 0x9ac6cdd7L )
	{
		sal_Int16 nVal;

		// hmf (Unused) ueberlesen wir
		pWMF->SeekRel(2);

		// BoundRect
		*pWMF >> nVal; aPlaceableBound.Left() = nVal;
		*pWMF >> nVal; aPlaceableBound.Top() = nVal;
		*pWMF >> nVal; aPlaceableBound.Right() = nVal;
		*pWMF >> nVal; aPlaceableBound.Bottom() = nVal;

		// inch
		*pWMF >> nUnitsPerInch;

		// reserved
		pWMF->SeekRel( 4 );

		// checksum  pruefen wir lieber nicht
		pWMF->SeekRel( 2 );
    }
	else
	{
		nUnitsPerInch = 96;
        pWMF->Seek( nStrmPos + 18 );    // set the streampos to the start of the the metaactions
        GetPlaceableBound( aPlaceableBound, pWMF );
        pWMF->Seek( nStrmPos );
	}

    pOut->SetWinOrg( aPlaceableBound.TopLeft() );
    aWMFSize = Size( labs( aPlaceableBound.GetWidth() ), labs( aPlaceableBound.GetHeight() ) );
	pOut->SetWinExt( aWMFSize );

	Size aDevExt( 10000, 10000 );
	if( ( labs( aWMFSize.Width() ) > 1 ) && ( labs( aWMFSize.Height() ) > 1 ) )
	{
		const Fraction	aFrac( 1, nUnitsPerInch );
		MapMode			aWMFMap( MAP_INCH, Point(), aFrac, aFrac );
		Size			aSize100( OutputDevice::LogicToLogic( aWMFSize, aWMFMap, MAP_100TH_MM ) );
		aDevExt = Size( labs( aSize100.Width() ), labs( aSize100.Height() ) );
    }
	pOut->SetDevExt( aDevExt );

	// Einlesen des METAHEADER
	*pWMF >> nl; // Typ und Headergroesse

	if( nl != 0x00090001 )
	{
		pWMF->SetError( SVSTREAM_FILEFORMAT_ERROR );
		return sal_False;
	}

	pWMF->SeekRel( 2 ); // Version (von Windows)
	pWMF->SeekRel( 4 ); // Size (der Datei in Words)
	pWMF->SeekRel( 2 ); // NoObjects (Maximale Anzahl der gleichzeitigen Objekte)
	pWMF->SeekRel( 4 ); // MaxRecord (Groesse des groessten Records in Words)
	pWMF->SeekRel( 2 ); // NoParameters (Unused

	return sal_True;
}

void WMFReader::ReadWMF()
{
	sal_uInt16	nFunction;
	sal_uLong	nPos, nPercent, nLastPercent;

	nSkipActions = 0;
	nCurrentAction = 0;
	nUnicodeEscapeAction = 0;

    pEMFStream      = NULL;
    nEMFRecCount    = 0;
    nEMFRec         = 0;
    nEMFSize        = 0;

	sal_Bool bEMFAvailable = sal_False;

	pOut->SetMapMode( MM_ANISOTROPIC );
	pOut->SetWinOrg( Point() );
	pOut->SetWinExt( Size( 1, 1 ) );
	pOut->SetDevExt( Size( 10000, 10000 ) );

	nEndPos=pWMF->Seek( STREAM_SEEK_TO_END );
	pWMF->Seek( nStartPos );
	Callback( (sal_uInt16) ( nLastPercent = 0 ) );

	if ( ReadHeader() )
	{

		nPos = pWMF->Tell();

		if( nEndPos - nStartPos )
		{
			while( sal_True )
			{
				nCurrentAction++;
				nPercent = ( nPos - nStartPos ) * 100 / ( nEndPos - nStartPos );

				if( nLastPercent + 4 <= nPercent )
				{
					Callback( (sal_uInt16) nPercent );
					nLastPercent = nPercent;
				}
				*pWMF >> nRecSize >> nFunction;

				if( pWMF->GetError() || ( nRecSize < 3 ) || ( nRecSize==3 && nFunction==0 ) || pWMF->IsEof() )
				{

					if( pWMF->IsEof() )
						pWMF->SetError( SVSTREAM_FILEFORMAT_ERROR );

					break;
				}
				if ( !bEMFAvailable )
				{
					if( aBmpSaveList.Count() &&
						( nFunction != W_META_STRETCHDIB ) &&
						( nFunction != W_META_DIBBITBLT ) &&
						( nFunction != W_META_DIBSTRETCHBLT ) )
					{
						pOut->ResolveBitmapActions( aBmpSaveList );
					}
					if ( !nSkipActions )
						ReadRecordParams( nFunction );
					else
						nSkipActions--;

					if( pEMFStream && nEMFRecCount == nEMFRec )
					{
						GDIMetaFile aMeta;
						pEMFStream->Seek( 0 );
						EnhWMFReader* pEMFReader = new EnhWMFReader ( *pEMFStream, aMeta );
						bEMFAvailable = pEMFReader->ReadEnhWMF();
						delete pEMFReader; // destroy first!!!

						if( bEMFAvailable )
						{
							pOut->AddFromGDIMetaFile( aMeta );
							pOut->SetrclFrame( Rectangle(0, 0, aMeta.GetPrefSize().Width(), aMeta.GetPrefSize().Height() ));

							// the stream needs to be set to the wmf end position,
							// otherwise the GfxLink that is created will be incorrect
							// (leading to graphic loss after swapout/swapin).
							// so we will proceed normally, but are ignoring further wmf
							// records
						}
						else
						{
							// something went wrong
							// continue with WMF, don't try this again
							delete pEMFStream;
							pEMFStream = NULL;
						}
					}
				}
                nPos += nRecSize * 2;
                if ( nPos <= nEndPos )
                    pWMF->Seek( nPos  );
                else
                    pWMF->SetError( SVSTREAM_FILEFORMAT_ERROR );
			}
		}
		else
			pWMF->SetError( SVSTREAM_GENERALERROR );

		if( !pWMF->GetError() && aBmpSaveList.Count() )
			pOut->ResolveBitmapActions( aBmpSaveList );
	}
	if ( pWMF->GetError() )
		pWMF->Seek( nStartPos );
}

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

static void GetWinExtMax( const Point& rSource, Rectangle& rPlaceableBound, const sal_Int16 nMapMode )
{
	Point aSource( rSource );
	if ( nMapMode == MM_HIMETRIC )
		aSource.Y() = -rSource.Y();
    if ( aSource.X() < rPlaceableBound.Left() )
        rPlaceableBound.Left() = aSource.X();
    if ( aSource.X() > rPlaceableBound.Right() )
        rPlaceableBound.Right() = aSource.X();
    if ( aSource.Y() < rPlaceableBound.Top() )
        rPlaceableBound.Top() = aSource.Y();
    if ( aSource.Y() > rPlaceableBound.Bottom() )
        rPlaceableBound.Bottom() = aSource.Y();
}

static void GetWinExtMax( const Rectangle& rSource, Rectangle& rPlaceableBound, const sal_Int16 nMapMode )
{
    GetWinExtMax( rSource.TopLeft(), rPlaceableBound, nMapMode );
    GetWinExtMax( rSource.BottomRight(), rPlaceableBound, nMapMode );
}

sal_Bool WMFReader::GetPlaceableBound( Rectangle& rPlaceableBound, SvStream* pStm )
{
    sal_Bool bRet = sal_True;

    rPlaceableBound.Left()   = (sal_Int32)0x7fffffff;
    rPlaceableBound.Top()    = (sal_Int32)0x7fffffff;
    rPlaceableBound.Right()  = (sal_Int32)0x80000000;
    rPlaceableBound.Bottom() = (sal_Int32)0x80000000;

	sal_Int16 nMapMode = MM_ANISOTROPIC;

    sal_uInt16 nFunction;
    sal_uInt32 nRSize;
	sal_uInt32 nPos = pStm->Tell();
	sal_uInt32 nEnd = pStm->Seek( STREAM_SEEK_TO_END );

    pStm->Seek( nPos );

    if( nEnd - nPos )
	{
		while( bRet )
		{
			*pStm >> nRSize >> nFunction;

			if( pStm->GetError() || ( nRSize < 3 ) || ( nRSize==3 && nFunction==0 ) || pStm->IsEof() )
			{
				if( pStm->IsEof() )
                {
					pStm->SetError( SVSTREAM_FILEFORMAT_ERROR );
                    bRet = sal_False;
                }
				break;
			}
	        switch( nFunction )
	        {
				case W_META_SETWINDOWORG:
				{
					Point aWinOrg;
					aWinOrg = ReadYX();
					rPlaceableBound.SetPos( aWinOrg );
				}
				break;

				case W_META_SETWINDOWEXT:
				{
					Point aPos0( 0, 0 );
					sal_Int16 nWidth, nHeight;
					*pStm >> nHeight >> nWidth;
					rPlaceableBound.SetSize( Size( nWidth, nHeight ) );
				}
				break;

				case W_META_SETMAPMODE :
					*pStm >> nMapMode;
				break;

				case W_META_MOVETO:
		        case W_META_LINETO:
			        GetWinExtMax( ReadYX(), rPlaceableBound, nMapMode );
		        break;

		        case W_META_RECTANGLE:
		        case W_META_INTERSECTCLIPRECT:
		        case W_META_EXCLUDECLIPRECT :
		        case W_META_ELLIPSE:
                    GetWinExtMax( ReadRectangle(), rPlaceableBound, nMapMode );
		        break;

		        case W_META_ROUNDRECT:
		        {
			        Size aSize( ReadYXExt() );
                    GetWinExtMax( ReadRectangle(), rPlaceableBound, nMapMode );
		        }
		        break;

		        case W_META_ARC:
		        case W_META_PIE:
		        case W_META_CHORD:
		        {
			        Point aEnd( ReadYX() );
			        Point aStart( ReadYX() );
                    GetWinExtMax( ReadRectangle(), rPlaceableBound, nMapMode );
		        }
		        break;

		        case W_META_POLYGON:
		        {
			        sal_uInt16 i,nPoints;
			        *pStm >> nPoints;
			        for( i = 0; i < nPoints; i++ )
				        GetWinExtMax( ReadPoint(), rPlaceableBound, nMapMode );
		        }
		        break;

		        case W_META_POLYPOLYGON:
		        {
			        sal_uInt16	i, nPoly, nPoints = 0;
			        *pStm >> nPoly;
			        for( i = 0; i < nPoly; i++ )
			        {
                        sal_uInt16 nP;
				        *pStm >> nP;
				        nPoints = nPoints + nP;
			        }
			        for ( i = 0; i < nPoints; i++ )
				        GetWinExtMax( ReadPoint(), rPlaceableBound, nMapMode );
		        }
		        break;

		        case W_META_POLYLINE:
		        {
			        sal_uInt16 i,nPoints;
			        *pStm >> nPoints;
			        for( i = 0; i < nPoints; i++ )
				        GetWinExtMax( ReadPoint(), rPlaceableBound, nMapMode );
		        }
		        break;

		        case W_META_SETPIXEL:
		        {
			        const Color aColor = ReadColor();
			        GetWinExtMax( ReadYX(), rPlaceableBound, nMapMode );
		        }
		        break;

		        case W_META_TEXTOUT:
		        {
			        sal_uInt16 nLength;
			        *pStm >> nLength;
					// todo: we also have to take care of the text width
			        if ( nLength )
					{
						pStm->SeekRel( ( nLength + 1 ) &~ 1 );
			            GetWinExtMax( ReadYX(), rPlaceableBound, nMapMode );
					}
		        }
		        break;

		        case W_META_EXTTEXTOUT:
		        {
			        sal_uInt16	nLen, nOptions;
			        sal_Int32	nRecordPos, nRecordSize;
			        Point		aPosition;
			        Rectangle	aRect;

			        pStm->SeekRel(-6);
			        nRecordPos = pStm->Tell();
			        *pStm >> nRecordSize;
			        pStm->SeekRel(2);
			        aPosition = ReadYX();
					*pStm >> nLen >> nOptions;
					// todo: we also have to take care of the text width
					if( nLen )
						GetWinExtMax( aPosition, rPlaceableBound, nMapMode );
		        }
		        break;
		        case W_META_BITBLT:
		        case W_META_STRETCHBLT:
		        case W_META_DIBBITBLT:
		        case W_META_DIBSTRETCHBLT:
		        case W_META_STRETCHDIB:
		        {
			        sal_Int32   nWinROP;
			        sal_uInt16  nSx, nSy, nSxe, nSye, nUsage;
			        *pStm >> nWinROP;

			        if( nFunction == W_META_STRETCHDIB )
				        *pStm >> nUsage;

                    // nSye and nSxe is the number of pixels that has to been used
			        if( nFunction == W_META_STRETCHDIB || nFunction == W_META_STRETCHBLT || nFunction == W_META_DIBSTRETCHBLT )
				        *pStm >> nSye >> nSxe;
                    else
                        nSye = nSxe = 0;    // set this to zero as indicator not to scale the bitmap later

                    // nSy and nx is the offset of the first pixel
			        *pStm >> nSy >> nSx;

			        if( nFunction == W_META_STRETCHDIB || nFunction == W_META_DIBBITBLT || nFunction == W_META_DIBSTRETCHBLT )
			        {
				        if ( nWinROP == PATCOPY )
					        *pStm >> nUsage;	// i don't know anything of this parameter, so its called nUsage
										        // pOut->DrawRect( Rectangle( ReadYX(), aDestSize ), sal_False );

				        Size aDestSize( ReadYXExt() );
                        if ( aDestSize.Width() && aDestSize.Height() )  // #92623# do not try to read buggy bitmaps
                        {
				            Rectangle aDestRect( ReadYX(), aDestSize );
                            GetWinExtMax( aDestRect, rPlaceableBound, nMapMode );
                        }
			        }
		        }
		        break;

		        case W_META_PATBLT:
		        {
			        sal_uInt32 nROP;
			        *pStm >> nROP;
			        Size aSize = ReadYXExt();
                    GetWinExtMax( Rectangle( ReadYX(), aSize ), rPlaceableBound, nMapMode );
		        }
		        break;
            }
            nPos += nRSize * 2;
 			if ( nPos <= nEnd )
 				pStm->Seek( nPos );
 			else
 			{
 				pStm->SetError( SVSTREAM_FILEFORMAT_ERROR );
 				bRet = sal_False;
 			}

		}
	}
	else
    {
		pStm->SetError( SVSTREAM_GENERALERROR );
        bRet = sal_False;
    }
    return bRet;
}

WMFReader::~WMFReader()
{
    if( pEMFStream )
        delete pEMFStream;
}