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author | Jan Holesovsky <kendy@suse.cz> | 2013-01-01 22:48:32 +0100 |
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committer | Jan Holesovsky <kendy@suse.cz> | 2013-03-04 11:12:51 +0100 |
commit | 1d830d9f26d69ee6c2ed839c5b2c5d54fb797055 (patch) | |
tree | 09aedc8bdd267d07e85c151491289497cc6a495a /vcl/source/filter/wmf/winwmf.cxx | |
parent | fdo#55931, fdo#57956: Fix both autofit and stretched width. (diff) | |
download | core-1d830d9f26d69ee6c2ed839c5b2c5d54fb797055.tar.gz core-1d830d9f26d69ee6c2ed839c5b2c5d54fb797055.zip |
Move GraphicFilter class to vcl.
Conflicts:
icu/prj/dmake
jfreereport/prj/dmake
svtools/qa/cppunit/data/bmp/fail/.gitignore
svtools/qa/cppunit/data/bmp/pass/.gitignore
vcl/qa/cppunit/graphicfilter/data/bmp/fail/.gitignore
vcl/qa/cppunit/graphicfilter/data/bmp/indeterminate/.gitignore
vcl/qa/cppunit/graphicfilter/data/bmp/pass/.gitignore
vcl/qa/cppunit/graphicfilter/data/bmp/pass/CVE-2004-0691-1.bmp
vcl/qa/cppunit/graphicfilter/data/bmp/pass/CVE-2006-0006-1.bmp
vcl/qa/cppunit/graphicfilter/data/bmp/pass/CVE-2007-2244-1.bmp
vcl/qa/cppunit/graphicfilter/data/bmp/pass/CVE-2008-5870-1.bmp
vcl/qa/cppunit/graphicfilter/data/bmp/pass/EDB-22680-1.bmp
vcl/qa/cppunit/graphicfilter/data/gif/fail/CVE-2008-5937-1.gif
vcl/qa/cppunit/graphicfilter/data/gif/pass/CVE-2012-0282-1.gif
vcl/qa/cppunit/graphicfilter/data/gif/pass/EDB-19333-1.gif
Change-Id: I2318eeda59cee1cfdb074f9a90fd7d8d80aab19f
Diffstat (limited to 'vcl/source/filter/wmf/winwmf.cxx')
-rw-r--r-- | vcl/source/filter/wmf/winwmf.cxx | 1522 |
1 files changed, 1522 insertions, 0 deletions
diff --git a/vcl/source/filter/wmf/winwmf.cxx b/vcl/source/filter/wmf/winwmf.cxx new file mode 100644 index 000000000000..5b3d085b34d9 --- /dev/null +++ b/vcl/source/filter/wmf/winwmf.cxx @@ -0,0 +1,1522 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * 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. + * + ************************************************************************/ + + +#include "winmtf.hxx" +#include <boost/scoped_array.hpp> +#include <vcl/gdimtf.hxx> +#include <svtools/wmf.hxx> +#include <rtl/crc.h> +#include <rtl/tencinfo.h> +#include <osl/endian.h> + +//====================== 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 + +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 ); +} + +//=================== Methods of WMFReader ============================== + +inline Point WMFReader::ReadPoint() +{ + short nX = 0, nY = 0; + *pWMF >> nX >> nY; + return Point( nX, nY ); +} + +// ------------------------------------------------------------------------ + +inline Point WMFReader::ReadYX() +{ + short nX = 0, nY = 0; + *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=0, nH=0; + *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 = 0; + *pWMF >> nDat; + pOut->SetBkMode( nDat ); + } + break; + + // !!! + case W_META_SETMAPMODE: + { + sal_Int16 nMapMode = 0; + *pWMF >> nMapMode; + pOut->SetMapMode( nMapMode ); + } + break; + + case W_META_SETROP2: + { + sal_uInt16 nROP2 = 0; + *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 = 0, nHeight = 0; + *pWMF >> nHeight >> nWidth; + pOut->SetWinExt( Size( nWidth, nHeight ) ); + } + break; + + case W_META_OFFSETWINDOWORG: + { + short nXAdd = 0, nYAdd = 0; + *pWMF >> nYAdd >> nXAdd; + pOut->SetWinOrgOffset( nXAdd, nYAdd ); + } + break; + + case W_META_SCALEWINDOWEXT: + { + short nXNum = 0, nXDenom = 0, nYNum = 0, nYDenom = 0; + *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 = 0, nYAdd = 0; + *pWMF >> nYAdd >> nXAdd; + pOut->SetDevOrgOffset( nXAdd, nYAdd ); + } + break; + + case W_META_SCALEVIEWPORTEXT: + { + short nXNum = 0, nXDenom = 0, nYNum = 0, nYDenom = 0; + *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 nPoints = 0; + *pWMF >> nPoints; + Polygon aPoly( nPoints ); + for( sal_uInt16 i = 0; i < nPoints; i++ ) + aPoly[ i ] = ReadPoint(); + pOut->DrawPolygon( aPoly ); + } + break; + + case W_META_POLYPOLYGON: + { + bool bRecordOk = true; + sal_uInt16 nPoly = 0; + Point* pPtAry; + // Number of polygons: + *pWMF >> nPoly; + // Number of points of each polygon. Determine total number of points + boost::scoped_array<sal_uInt16> xPolygonPointCounts(new sal_uInt16[nPoly]); + sal_uInt16* pnPoints = xPolygonPointCounts.get(); + sal_uInt16 nPoints = 0; + for(sal_uInt16 i = 0; i < nPoly; i++ ) + { + *pWMF >> pnPoints[i]; + + if (pnPoints[i] > SAL_MAX_UINT16 - nPoints) + { + bRecordOk = false; + break; + } + + nPoints += pnPoints[i]; + } + + SAL_WARN_IF(!bRecordOk, "svtools", "polypolygon record has more polygons that we can handle"); + + bRecordOk &= pWMF->good(); + + if (!bRecordOk) + { + pWMF->SetError( SVSTREAM_FILEFORMAT_ERROR ); + break; + } + + // Polygon points are: + boost::scoped_array<Point> xPolygonPoints(new Point[nPoints]); + pPtAry = xPolygonPoints.get(); + for (sal_uInt16 i = 0; i < nPoints; i++ ) + pPtAry[ i ] = ReadPoint(); + + bRecordOk &= pWMF->good(); + + if (!bRecordOk) + { + pWMF->SetError( SVSTREAM_FILEFORMAT_ERROR ); + break; + } + + // Produce PolyPolygon Actions + PolyPolygon aPolyPoly( nPoly, pnPoints, pPtAry ); + pOut->DrawPolyPolygon( aPolyPoly ); + } + break; + + case W_META_POLYLINE: + { + sal_uInt16 nPoints = 0; + *pWMF >> nPoints; + Polygon aPoly( nPoints ); + for(sal_uInt16 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 = 0; + *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_uInt16 nLen = 0, nOptions = 0; + sal_Int32 nRecordPos, nRecordSize = 0, 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 ) ) + { + sal_Int16 nDx = 0, nDxTmp = 0; + sal_uInt16 i; //needed just outside the for + pDXAry = new sal_Int32[ nNewTextLen ]; + for (i = 0; i < nNewTextLen; i++ ) + { + if ( pWMF->Tell() >= nMaxStreamPos ) + break; + *pWMF >> nDx; + if ( nNewTextLen != nOriginalTextLen ) + { + sal_Unicode nUniChar = aText.GetChar(i); + rtl::OString aTmp(&nUniChar, 1, pOut->GetCharSet()); + if ( aTmp.getLength() > 1 ) + { + sal_Int32 nDxCount = aTmp.getLength() - 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 = 0; + *pWMF >> nObjIndex; + pOut->SelectObject( nObjIndex ); + } + break; + + case W_META_SETTEXTALIGN: + { + sal_uInt16 nAlign = 0; + *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 = 0; + sal_uInt16 nSx = 0, nSy = 0, nSxe = 0, nSye = 0, nDontKnow = 0, nWidth = 0, nHeight = 0, nBytesPerScan = 0; + 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 ) + { + for (sal_uInt16 y = 0; y < nHeight; y++ ) + { + sal_uInt16 x = 0; + for (sal_uInt16 scan = 0; scan < nBytesPerScan; scan++ ) + { + sal_Int8 nEightPixels = 0; + *pWMF >> nEightPixels; + for (sal_Int8 i = 7; i >= 0; i-- ) + { + if ( x < nWidth ) + { + pAcc->SetPixel( 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.push_back( new BSaveStruct( aBmp, aDestRect, nWinROP, pOut->GetFillStyle () ) ); + } + } + } + break; + + case W_META_STRETCHBLT: + case W_META_DIBBITBLT: + case W_META_DIBSTRETCHBLT: + case W_META_STRETCHDIB: + { + sal_Int32 nWinROP = 0; + sal_uInt16 nSx = 0, nSy = 0, nSxe = 0, nSye = 0, nUsage = 0; + 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 they are set to zero, it is as indicator not to scale the bitmap later + // + if( nFunc == W_META_STRETCHDIB || nFunc == W_META_STRETCHBLT || nFunc == W_META_DIBSTRETCHBLT ) + *pWMF >> nSye >> nSxe; + + // 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 ) + aBmp.Read( *pWMF, sal_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.push_back( new BSaveStruct( aBmp, aDestRect, nWinROP, pOut->GetFillStyle () ) ); + } + } + } + break; + + case W_META_DIBCREATEPATTERNBRUSH: + { + Bitmap aBmp; + BitmapReadAccess* pBmp; + sal_uInt32 nRed = 0, nGreen = 0, nBlue = 0, nCount = 1; + sal_uInt16 nFunction = 0; + + *pWMF >> nFunction >> nFunction; + + aBmp.Read( *pWMF, sal_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 = 0; + *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 = 0, nWidth = 0, nHeight = 0; + + *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 = 0; + *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 = 0, lfOrientation = 0, lfWeight = 0; // ( formerly 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 = osl_getThreadTextEncoding(); + else + eCharSet = rtl_getTextEncodingFromWindowsCharset( aLogFont.lfCharSet ); + if ( eCharSet == RTL_TEXTENCODING_DONTKNOW ) + eCharSet = osl_getThreadTextEncoding(); + 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 = 0, nOldROP = 0; + *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 = 0; + *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 = 0, nLen = 0; + *pWMF >> nMode + >> nLen; + if ( ( nMode == W_MFCOMMENT ) && ( nLen >= 4 ) ) + { + sal_uInt32 nNewMagic = 0; // we have to read int32 for + *pWMF >> nNewMagic; // META_ESCAPE_ENHANCED_METAFILE CommentIdentifier + + if( nNewMagic == 0x2c2a4f4f && nLen >= 14 ) + { + sal_uInt16 nMagic2 = 0; + *pWMF >> nMagic2; + if( nMagic2 == 0x0a ) // 2nd half of magic + { // continue with private escape + sal_uInt32 nCheck = 0, nEsc = 0; + *pWMF >> nCheck + >> nEsc; + + sal_uInt32 nEscLen = nLen - 14; + if ( nEscLen <= ( nRecSize * 2 ) ) + { +#ifdef OSL_BIGENDIAN + sal_uInt32 nTmp = OSL_SWAPDWORD( 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 ( aVDev.IsFontAvailable( pOut->GetFont().GetName() ) ) + { + Point aPt; + String aString; + sal_uInt32 nStringLen, nDXCount; + sal_Int32* pDXAry = NULL; + SvMemoryStream aMemoryStream( nEscLen ); + aMemoryStream.Write( pData, nEscLen ); + aMemoryStream.Seek( STREAM_SEEK_TO_BEGIN ); + //#fdo39428 SvStream no longer supports operator>>(long&) + sal_Int32 nTmpX(0), nTmpY(0); + aMemoryStream >> nTmpX + >> nTmpY + >> nStringLen; + aPt.X() = nTmpX; + aPt.Y() = nTmpY; + + if ( ( static_cast< sal_uInt64 >( nStringLen ) * sizeof( sal_Unicode ) ) < ( nEscLen - aMemoryStream.Tell() ) ) + { + + aString = read_uInt16s_ToOUString(aMemoryStream, nStringLen); + aMemoryStream >> nDXCount; + if ( ( static_cast< sal_uInt64 >( nDXCount ) * sizeof( sal_Int32 ) ) >= ( nEscLen - aMemoryStream.Tell() ) ) + nDXCount = 0; + if ( nDXCount ) + pDXAry = new sal_Int32[ nDXCount ]; + for (sal_uInt32 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 = 0, nVersion = 0, nFlags = 0, nComRecCount = 0, + nCurRecSize = 0, nRemainingSize = 0, nEMFTotalSize = 0; + sal_uInt16 nCheck = 0; + + *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() +{ + sal_Size nStrmPos = pWMF->Tell(); + + sal_uInt32 nPlaceableMetaKey(0); + // Einlesen des METAFILEHEADER, falls vorhanden + *pWMF >> nPlaceableMetaKey; + if (!pWMF->good()) + return false; + + Rectangle aPlaceableBound; + + if (nPlaceableMetaKey == 0x9ac6cdd7L) + { //TODO do some real error handling here + sal_Int16 nVal; + + // Skip reserved bytes + 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 ); + + // Skip and don't check the checksum + 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 ); + if ( pExternalHeader != NULL && ( pExternalHeader->mapMode == MM_ISOTROPIC + || pExternalHeader->mapMode == MM_ANISOTROPIC ) ) + { + // #n417818#: If we have an external header then overwrite the bounds! + Rectangle aExtRect(0, 0, + pExternalHeader->xExt*567*nUnitsPerInch/1440/1000, + pExternalHeader->yExt*567*nUnitsPerInch/1440/1000); + GetWinExtMax( aExtRect, aPlaceableBound, pExternalHeader->mapMode ); + pOut->SetMapMode( pExternalHeader->mapMode ); + } + } + + pOut->SetUnitsPerInch( nUnitsPerInch ); + pOut->SetWinOrg( aPlaceableBound.TopLeft() ); + Size aWMFSize( 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 + sal_uInt32 nMetaKey(0); + *pWMF >> nMetaKey; // Typ und Headergroesse + if (!pWMF->good()) + return false; + if (nMetaKey != 0x00090001) + { + sal_uInt16 aNextWord(0); + *pWMF >> aNextWord; + if (nMetaKey != 0x10000 || aNextWord != 0x09) + { + pWMF->SetError( SVSTREAM_FILEFORMAT_ERROR ); + return 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 pWMF->good(); +} + +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.empty() + && ( 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( Point(0, 0), aMeta.GetPrefSize())); + + // 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.empty() ) + pOut->ResolveBitmapActions( aBmpSaveList ); + } + if ( pWMF->GetError() ) + pWMF->Seek( nStartPos ); +} + +// ------------------------------------------------------------------------ + +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_uInt32 nPos = pStm->Tell(); + sal_uInt32 nEnd = pStm->Seek( STREAM_SEEK_TO_END ); + + pStm->Seek( nPos ); + + if( nEnd - nPos ) + { + sal_Int16 nMapMode = MM_ANISOTROPIC; + sal_uInt16 nFunction; + sal_uInt32 nRSize; + + 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 nPoints; + *pStm >> nPoints; + for(sal_uInt16 i = 0; i < nPoints; i++ ) + GetWinExtMax( ReadPoint(), rPlaceableBound, nMapMode ); + } + break; + + case W_META_POLYPOLYGON: + { + bool bRecordOk = true; + sal_uInt16 nPoly, nPoints = 0; + *pStm >> nPoly; + for(sal_uInt16 i = 0; i < nPoly; i++ ) + { + sal_uInt16 nP = 0; + *pStm >> nP; + if (nP > SAL_MAX_UINT16 - nPoints) + { + bRecordOk = false; + break; + } + nPoints += nP; + } + + SAL_WARN_IF(!bRecordOk, "svtools", "polypolygon record has more polygons that we can handle"); + + bRecordOk &= pStm->good(); + + if (!bRecordOk) + { + pStm->SetError( SVSTREAM_FILEFORMAT_ERROR ); + bRet = sal_False; + break; + } + + for (sal_uInt16 i = 0; i < nPoints; i++ ) + GetWinExtMax( ReadPoint(), rPlaceableBound, nMapMode ); + + bRecordOk &= pStm->good(); + + if (!bRecordOk) + { + pStm->SetError( SVSTREAM_FILEFORMAT_ERROR ); + bRet = sal_False; + break; + } + } + break; + + case W_META_POLYLINE: + { + sal_uInt16 nPoints; + *pStm >> nPoints; + for(sal_uInt16 i = 0; i < nPoints; i++ ) + GetWinExtMax( ReadPoint(), rPlaceableBound, nMapMode ); + } + break; + + case W_META_SETPIXEL: + { + 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 nRecordSize; + Point aPosition; + Rectangle aRect; + + pStm->SeekRel(-6); + *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; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |