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libreoffice/emfio/source/reader/wmfreader.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3. 
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#include <wmfreader.hxx>
#include <emfreader.hxx>
#include <cstdlib>
#include <memory>
#include <optional>
#include <o3tl/safeint.hxx>
#include <o3tl/sprintf.hxx>
#include <o3tl/unit_conversion.hxx>
#include <rtl/crc.h>
#include <rtl/tencinfo.h>
#include <sal/log.hxx>
#include <osl/endian.h>
#include <vcl/gdimtf.hxx>
#include <vcl/svapp.hxx>
#include <vcl/dibtools.hxx>
#include <vcl/outdev.hxx>
#include <vcl/wmfexternal.hxx>
#include <tools/fract.hxx>
#include <vcl/BitmapReadAccess.hxx>
#include <vcl/BitmapTools.hxx>
#include <osl/thread.h>
namespace
{
// MS Windows defines
enum WMFRecords
{
W_META_EOF = 0x0000,
W_META_SETBKCOLOR = 0x0201,
W_META_SETBKMODE = 0x0102,
W_META_SETMAPMODE = 0x0103,
W_META_SETROP2 = 0x0104,
W_META_SETRELABS = 0x0105,
W_META_SETPOLYFILLMODE = 0x0106,
W_META_SETSTRETCHBLTMODE = 0x0107,
W_META_SETTEXTCHAREXTRA = 0x0108,
W_META_SETTEXTCOLOR = 0x0209,
W_META_SETTEXTJUSTIFICATION = 0x020A,
W_META_SETWINDOWORG = 0x020B,
W_META_SETWINDOWEXT = 0x020C,
W_META_SETVIEWPORTORG = 0x020D,
W_META_SETVIEWPORTEXT = 0x020E,
W_META_OFFSETWINDOWORG = 0x020F,
W_META_SCALEWINDOWEXT = 0x0410,
W_META_OFFSETVIEWPORTORG = 0x0211,
W_META_SCALEVIEWPORTEXT = 0x0412,
W_META_LINETO = 0x0213,
W_META_MOVETO = 0x0214,
W_META_EXCLUDECLIPRECT = 0x0415,
W_META_INTERSECTCLIPRECT = 0x0416,
W_META_ARC = 0x0817,
W_META_ELLIPSE = 0x0418,
W_META_FLOODFILL = 0x0419,
W_META_PIE = 0x081A,
W_META_RECTANGLE = 0x041B,
W_META_ROUNDRECT = 0x061C,
W_META_PATBLT = 0x061D,
W_META_SAVEDC = 0x001E,
W_META_SETPIXEL = 0x041F,
W_META_OFFSETCLIPRGN = 0x0220,
W_META_TEXTOUT = 0x0521,
W_META_BITBLT = 0x0922,
W_META_STRETCHBLT = 0x0B23,
W_META_POLYGON = 0x0324,
W_META_POLYLINE = 0x0325,
W_META_ESCAPE = 0x0626,
W_META_RESTOREDC = 0x0127,
W_META_FILLREGION = 0x0228,
W_META_FRAMEREGION = 0x0429,
W_META_INVERTREGION = 0x012A,
W_META_PAINTREGION = 0x012B,
W_META_SELECTCLIPREGION = 0x012C,
W_META_SELECTOBJECT = 0x012D,
W_META_SETTEXTALIGN = 0x012E,
W_META_DRAWTEXT = 0x062F,
W_META_CHORD = 0x0830,
W_META_SETMAPPERFLAGS = 0x0231,
W_META_EXTTEXTOUT = 0x0a32,
W_META_SETDIBTODEV = 0x0d33,
W_META_SELECTPALETTE = 0x0234,
W_META_REALIZEPALETTE = 0x0035,
W_META_ANIMATEPALETTE = 0x0436,
W_META_SETPALENTRIES = 0x0037,
W_META_POLYPOLYGON = 0x0538,
W_META_RESIZEPALETTE = 0x0139,
W_META_DIBBITBLT = 0x0940,
W_META_DIBSTRETCHBLT = 0x0b41,
W_META_DIBCREATEPATTERNBRUSH = 0x0142,
W_META_STRETCHDIB = 0x0f43,
W_META_EXTFLOODFILL = 0x0548,
W_META_RESETDC = 0x014C,
W_META_STARTDOC = 0x014D,
W_META_STARTPAGE = 0x004F,
W_META_ENDPAGE = 0x0050,
W_META_ABORTDOC = 0x0052,
W_META_ENDDOC = 0x005E,
W_META_DELETEOBJECT = 0x01f0,
W_META_CREATEPALETTE = 0x00f7,
W_META_CREATEBRUSH = 0x00F8,
W_META_CREATEPATTERNBRUSH = 0x01F9,
W_META_CREATEPENINDIRECT = 0x02FA,
W_META_CREATEFONTINDIRECT = 0x02FB,
W_META_CREATEBRUSHINDIRECT = 0x02FC,
W_META_CREATEBITMAPINDIRECT = 0x02FD,
W_META_CREATEBITMAP = 0x06FE,
W_META_CREATEREGION = 0x06FF
};
void GetWinExtMax(const Point& rSource, tools::Rectangle& rPlaceableBound, emfio::MappingMode eMapMode)
{
Point aSource(rSource);
if (eMapMode == emfio::MappingMode::MM_HIMETRIC)
aSource.setY( -rSource.Y() );
if (aSource.X() < rPlaceableBound.Left())
rPlaceableBound.SetLeft( aSource.X() );
if (aSource.X() > rPlaceableBound.Right())
rPlaceableBound.SetRight( aSource.X() );
if (aSource.Y() < rPlaceableBound.Top())
rPlaceableBound.SetTop( aSource.Y() );
if (aSource.Y() > rPlaceableBound.Bottom())
rPlaceableBound.SetBottom( aSource.Y() );
}
void GetWinExtMax(const tools::Rectangle& rSource, tools::Rectangle& rPlaceableBound, emfio::MappingMode nMapMode)
{
GetWinExtMax(rSource.TopLeft(), rPlaceableBound, nMapMode);
GetWinExtMax(rSource.BottomRight(), rPlaceableBound, nMapMode);
}
const char *
record_type_name(sal_uInt16 nRecType)
{
#ifndef SAL_LOG_INFO
(void) nRecType;
return "";
#else
switch( nRecType )
{
case W_META_EOF: return "W_META_EOF";
case W_META_SETBKCOLOR: return "META_SETBKCOLOR";
case W_META_SETBKMODE: return "META_SETBKMODE";
case W_META_SETMAPMODE: return "META_SETMAPMODE";
case W_META_SETROP2: return "META_SETROP2";
case W_META_SETRELABS: return "META_SETRELABS";
case W_META_SETPOLYFILLMODE: return "META_SETPOLYFILLMODE";
case W_META_SETSTRETCHBLTMODE: return "META_SETSTRETCHBLTMODE";
case W_META_SETTEXTCHAREXTRA: return "META_SETTEXTCHAREXTRA";
case W_META_SETTEXTCOLOR: return "META_SETTEXTCOLOR";
case W_META_SETTEXTJUSTIFICATION: return "META_SETTEXTJUSTIFICATION";
case W_META_SETWINDOWORG: return "META_SETWINDOWORG";
case W_META_SETWINDOWEXT: return "META_SETWINDOWEXT";
case W_META_SETVIEWPORTORG: return "META_SETVIEWPORTORG";
case W_META_SETVIEWPORTEXT: return "META_SETVIEWPORTEXT";
case W_META_OFFSETWINDOWORG: return "META_OFFSETWINDOWORG";
case W_META_SCALEWINDOWEXT: return "META_SCALEWINDOWEXT";
case W_META_OFFSETVIEWPORTORG: return "META_OFFSETVIEWPORTORG";
case W_META_SCALEVIEWPORTEXT: return "META_SCALEVIEWPORTEXT";
case W_META_LINETO: return "META_LINETO";
case W_META_MOVETO: return "META_MOVETO";
case W_META_EXCLUDECLIPRECT: return "META_EXCLUDECLIPRECT";
case W_META_INTERSECTCLIPRECT: return "META_INTERSECTCLIPRECT";
case W_META_ARC: return "META_ARC";
case W_META_ELLIPSE: return "META_ELLIPSE";
case W_META_FLOODFILL: return "META_FLOODFILL";
case W_META_PIE: return "META_PIE";
case W_META_RECTANGLE: return "META_RECTANGLE";
case W_META_ROUNDRECT: return "META_ROUNDRECT";
case W_META_PATBLT: return "META_PATBLT";
case W_META_SAVEDC: return "META_SAVEDC";
case W_META_SETPIXEL: return "META_SETPIXEL";
case W_META_OFFSETCLIPRGN: return "META_OFFSETCLIPRGN";
case W_META_TEXTOUT: return "META_TEXTOUT";
case W_META_BITBLT: return "META_BITBLT";
case W_META_STRETCHBLT: return "META_STRETCHBLT";
case W_META_POLYGON: return "META_POLYGON";
case W_META_POLYLINE: return "META_POLYLINE";
case W_META_ESCAPE: return "META_ESCAPE";
case W_META_RESTOREDC: return "META_RESTOREDC";
case W_META_FILLREGION: return "META_FILLREGION";
case W_META_FRAMEREGION: return "META_FRAMEREGION";
case W_META_INVERTREGION: return "META_INVERTREGION";
case W_META_PAINTREGION: return "META_PAINTREGION";
case W_META_SELECTCLIPREGION: return "META_SELECTCLIPREGION";
case W_META_SELECTOBJECT: return "META_SELECTOBJECT";
case W_META_SETTEXTALIGN: return "META_SETTEXTALIGN";
case W_META_DRAWTEXT: return "META_DRAWTEXT";
case W_META_CHORD: return "META_CHORD";
case W_META_SETMAPPERFLAGS: return "META_SETMAPPERFLAGS";
case W_META_EXTTEXTOUT: return "META_EXTTEXTOUT";
case W_META_SETDIBTODEV: return "META_SETDIBTODEV";
case W_META_SELECTPALETTE: return "META_SELECTPALETTE";
case W_META_REALIZEPALETTE: return "META_REALIZEPALETTE";
case W_META_ANIMATEPALETTE: return "META_ANIMATEPALETTE";
case W_META_SETPALENTRIES: return "META_SETPALENTRIES";
case W_META_POLYPOLYGON: return "META_POLYPOLYGON";
case W_META_RESIZEPALETTE: return "META_RESIZEPALETTE";
case W_META_DIBBITBLT: return "META_DIBBITBLT";
case W_META_DIBSTRETCHBLT: return "META_DIBSTRETCHBLT";
case W_META_DIBCREATEPATTERNBRUSH: return "META_DIBCREATEPATTERNBRUSH";
case W_META_STRETCHDIB: return "META_STRETCHDIB";
case W_META_EXTFLOODFILL: return "META_EXTFLOODFILL";
case W_META_RESETDC: return "META_RESETDC";
case W_META_STARTDOC: return "META_STARTDOC";
case W_META_STARTPAGE: return "META_STARTPAGE";
case W_META_ENDPAGE: return "META_ENDPAGE";
case W_META_ABORTDOC: return "META_ABORTDOC";
case W_META_ENDDOC: return "META_ENDDOC";
case W_META_DELETEOBJECT: return "META_DELETEOBJECT";
case W_META_CREATEPALETTE: return "META_CREATEPALETTE";
case W_META_CREATEBRUSH: return "META_CREATEBRUSH";
case W_META_CREATEPATTERNBRUSH: return "META_CREATEPATTERNBRUSH";
case W_META_CREATEPENINDIRECT: return "META_CREATEPENINDIRECT";
case W_META_CREATEFONTINDIRECT: return "META_CREATEFONTINDIRECT";
case W_META_CREATEBRUSHINDIRECT: return "META_CREATEBRUSHINDIRECT";
case W_META_CREATEBITMAPINDIRECT: return "META_CREATEBITMAPINDIRECT";
case W_META_CREATEBITMAP: return "META_CREATEBITMAP";
case W_META_CREATEREGION: return "META_CREATEREGION";
default:
// Yes, return a pointer to a static buffer. This is a very
// local debugging output function, so no big deal.
static char buffer[11];
o3tl::sprintf(buffer, "0x%08" SAL_PRIxUINT32, sal_uInt32(nRecType));
return buffer;
}
#endif
}
}
namespace emfio
{
inline Point WmfReader::ReadPoint()
{
short nX = 0, nY = 0;
mpInputStream->ReadInt16( nX ).ReadInt16( nY );
return Point( nX, nY );
}
inline Point WmfReader::ReadYX()
{
short nX = 0, nY = 0;
mpInputStream->ReadInt16( nY ).ReadInt16( nX );
return Point( nX, nY );
}
tools::Rectangle WmfReader::ReadRectangle()
{
Point aBR, aTL;
aBR = ReadYX();
aTL = ReadYX();
aBR.AdjustX( -1 );
aBR.AdjustY( -1 );
if (aTL.X() > aBR.X() || aTL.Y() > aBR.Y())
{
SAL_WARN("emfio", "broken rectangle");
return tools::Rectangle::Normalize(aTL, aBR);
}
return tools::Rectangle( aTL, aBR );
}
Size WmfReader::ReadYXExt()
{
short nW=0, nH=0;
mpInputStream->ReadInt16( nH ).ReadInt16( nW );
return Size( nW, nH );
}
void WmfReader::ReadRecordParams( sal_uInt32 nRecordSize, sal_uInt16 nFunc )
{
bool bRecordOk = true;
SAL_INFO("emfio", "\t" << record_type_name(nFunc));
switch(nFunc)
{
case W_META_SETBKCOLOR:
{
if (nRecordSize != 5)
bRecordOk = false;
SetBkColor(ReadColor());
}
break;
case W_META_SETBKMODE:
{
// It could have Reserved values. Both 4 and 5 sizes are allowed
if ((nRecordSize != 4) && (nRecordSize != 5))
bRecordOk = false;
sal_uInt16 nDat = 0;
mpInputStream->ReadUInt16( nDat );
SetBkMode( static_cast<BackgroundMode>(nDat) );
}
break;
case W_META_SETMAPMODE:
{
if (nRecordSize != 4)
bRecordOk = false;
sal_uInt16 nMapMode = 0;
mpInputStream->ReadUInt16(nMapMode);
SetMapMode(static_cast<MappingMode>(nMapMode));
}
break;
case W_META_SETROP2:
{
// It could have Reserved values. Both 4 and 5 sizes are allowed
if ((nRecordSize != 4) && (nRecordSize != 5))
bRecordOk = false;
sal_uInt16 nROP2 = 0;
mpInputStream->ReadUInt16(nROP2);
SetRasterOp(static_cast<WMFRasterOp>(nROP2));
mpInputStream->SeekRel(2); // reserved data
}
break;
case W_META_SETTEXTCOLOR:
{
if (nRecordSize != 5)
bRecordOk = false;
SetTextColor( ReadColor() );
}
break;
case W_META_SETWINDOWORG:
{
if (nRecordSize != 5)
bRecordOk = false;
SetWinOrg( ReadYX() );
}
break;
case W_META_SETWINDOWEXT:
{
if (nRecordSize != 5)
bRecordOk = false;
short nWidth = 0, nHeight = 0;
mpInputStream->ReadInt16( nHeight ).ReadInt16( nWidth );
SetWinExt( Size( nWidth, nHeight ) );
}
break;
case W_META_OFFSETWINDOWORG:
{
if (nRecordSize != 5)
bRecordOk = false;
short nXAdd = 0, nYAdd = 0;
mpInputStream->ReadInt16( nYAdd ).ReadInt16( nXAdd );
SetWinOrgOffset( nXAdd, nYAdd );
}
break;
case W_META_SCALEWINDOWEXT:
{
if (nRecordSize != 7)
bRecordOk = false;
short nXNum = 0, nXDenom = 0, nYNum = 0, nYDenom = 0;
mpInputStream->ReadInt16( nYDenom ).ReadInt16( nYNum ).ReadInt16( nXDenom ).ReadInt16( nXNum );
if (!nYDenom || !nXDenom)
{
mpInputStream->SetError( SVSTREAM_FILEFORMAT_ERROR );
break;
}
ScaleWinExt( static_cast<double>(nXNum) / nXDenom, static_cast<double>(nYNum) / nYDenom );
}
break;
case W_META_SETVIEWPORTORG:
case W_META_SETVIEWPORTEXT:
{
if (nRecordSize != 5)
bRecordOk = false;
}
break;
case W_META_OFFSETVIEWPORTORG:
{
if (nRecordSize != 5)
bRecordOk = false;
short nXAdd = 0, nYAdd = 0;
mpInputStream->ReadInt16( nYAdd ).ReadInt16( nXAdd );
SetDevOrgOffset( nXAdd, nYAdd );
}
break;
case W_META_SCALEVIEWPORTEXT:
{
if (nRecordSize != 7)
bRecordOk = false;
short nXNum = 0, nXDenom = 0, nYNum = 0, nYDenom = 0;
mpInputStream->ReadInt16( nYDenom ).ReadInt16( nYNum ).ReadInt16( nXDenom ).ReadInt16( nXNum );
if (!nYDenom || !nXDenom)
{
mpInputStream->SetError( SVSTREAM_FILEFORMAT_ERROR );
break;
}
ScaleDevExt( static_cast<double>(nXNum) / nXDenom, static_cast<double>(nYNum) / nYDenom );
}
break;
case W_META_LINETO:
{
if (nRecordSize != 5)
bRecordOk = false;
LineTo( ReadYX() );
}
break;
case W_META_MOVETO:
{
if (nRecordSize != 5)
bRecordOk = false;
MoveTo( ReadYX() );
}
break;
case W_META_INTERSECTCLIPRECT:
{
if (nRecordSize != 7)
bRecordOk = false;
IntersectClipRect(ReadRectangle());
}
break;
case W_META_RECTANGLE:
{
if (nRecordSize != 7)
bRecordOk = false;
DrawRect(ReadRectangle());
}
break;
case W_META_ROUNDRECT:
{
if (nRecordSize != 9)
bRecordOk = false;
Size aSize( ReadYXExt() );
DrawRoundRect( ReadRectangle(), Size( aSize.Width() / 2, aSize.Height() / 2 ) );
}
break;
case W_META_ELLIPSE:
{
if (nRecordSize != 7)
bRecordOk = false;
DrawEllipse(ReadRectangle());
}
break;
case W_META_ARC:
{
if (nRecordSize != 11)
bRecordOk = false;
Point aEnd( ReadYX() );
Point aStart( ReadYX() );
tools::Rectangle aRect( ReadRectangle() );
aRect.Normalize();
DrawArc( aRect, aStart, aEnd );
}
break;
case W_META_PIE:
{
if (nRecordSize != 11)
bRecordOk = false;
Point aEnd( ReadYX() );
Point aStart( ReadYX() );
tools::Rectangle aRect( ReadRectangle() );
aRect.Normalize();
// #i73608# OutputDevice deviates from WMF
// semantics. start==end means full ellipse here.
if( aStart == aEnd )
DrawEllipse( aRect );
else
DrawPie( aRect, aStart, aEnd );
}
break;
case W_META_CHORD:
{
if (nRecordSize != 11)
bRecordOk = false;
Point aEnd( ReadYX() );
Point aStart( ReadYX() );
tools::Rectangle aRect( ReadRectangle() );
aRect.Normalize();
DrawChord( aRect, aStart, aEnd );
}
break;
case W_META_POLYGON:
{
sal_uInt16 nPoints(0);
mpInputStream->ReadUInt16(nPoints);
if (nPoints > mpInputStream->remainingSize() / (2 * sizeof(sal_uInt16)))
{
bRecordOk = false;
}
else
{
tools::Polygon aPoly(nPoints);
for (sal_uInt16 i(0); i < nPoints && mpInputStream->good(); ++i)
aPoly[ i ] = ReadPoint();
DrawPolygon(std::move(aPoly), false/*bRecordPath*/);
}
SAL_WARN_IF(!bRecordOk, "emfio", "polygon record has more points than we can handle");
bRecordOk &= mpInputStream->good();
}
break;
case W_META_POLYPOLYGON:
{
sal_uInt16 nPolyCount(0);
// Number of polygons:
mpInputStream->ReadUInt16( nPolyCount );
if (nPolyCount && mpInputStream->good())
{
if (nPolyCount > mpInputStream->remainingSize() / sizeof(sal_uInt16))
break;
// Number of points of each polygon. Determine total number of points
std::unique_ptr<sal_uInt16[]> xPolygonPointCounts(new sal_uInt16[nPolyCount]);
sal_uInt16* pnPoints = xPolygonPointCounts.get();
tools::PolyPolygon aPolyPoly(nPolyCount);
sal_uInt16 nPoints = 0;
for (sal_uInt16 a = 0; a < nPolyCount && mpInputStream->good(); ++a)
{
mpInputStream->ReadUInt16( pnPoints[a] );
if (pnPoints[a] > SAL_MAX_UINT16 - nPoints)
{
bRecordOk = false;
break;
}
nPoints += pnPoints[a];
}
SAL_WARN_IF(!bRecordOk, "emfio", "polypolygon record has more polygons than we can handle");
bRecordOk &= mpInputStream->good();
if (!bRecordOk)
break;
// Polygon points are:
for (sal_uInt16 a = 0; a < nPolyCount && mpInputStream->good(); ++a)
{
const sal_uInt16 nPointCount(pnPoints[a]);
if (nPointCount > mpInputStream->remainingSize() / (2 * sizeof(sal_uInt16)))
{
bRecordOk = false;
break;
}
std::unique_ptr<Point[]> xPolygonPoints(new Point[nPointCount]);
Point* pPtAry = xPolygonPoints.get();
for(sal_uInt16 b(0); b < nPointCount && mpInputStream->good(); ++b)
{
pPtAry[b] = ReadPoint();
}
aPolyPoly.Insert( tools::Polygon(nPointCount, pPtAry) );
}
bRecordOk &= mpInputStream->good();
if (!bRecordOk)
break;
DrawPolyPolygon( aPolyPoly );
}
}
break;
case W_META_POLYLINE:
{
sal_uInt16 nPoints(0);
mpInputStream->ReadUInt16(nPoints);
if (nPoints > mpInputStream->remainingSize() / (2 * sizeof(sal_uInt16)))
{
bRecordOk = false;
}
else
{
tools::Polygon aPoly(nPoints);
for (sal_uInt16 i(0); i < nPoints && mpInputStream->good(); ++i)
aPoly[ i ] = ReadPoint();
DrawPolyLine( std::move(aPoly) );
}
SAL_WARN_IF(!bRecordOk, "emfio", "polyline record has more points than we can handle");
bRecordOk &= mpInputStream->good();
}
break;
case W_META_SAVEDC:
{
if (nRecordSize != 3)
bRecordOk = false;
Push();
}
break;
case W_META_RESTOREDC:
{
sal_Int16 nSavedDC(0);
if (nRecordSize != 4)
bRecordOk = false;
mpInputStream->ReadInt16(nSavedDC);
SAL_INFO("emfio", "\t\t SavedDC: " << nSavedDC);
SAL_WARN_IF(nSavedDC < 0, "emfio", "TODO implement relative to the current state");
Pop(nSavedDC);
}
break;
case W_META_SETPIXEL:
{
if (nRecordSize != 7)
bRecordOk = false;
const Color aColor = ReadColor();
DrawPixel( ReadYX(), aColor );
}
break;
case W_META_OFFSETCLIPRGN:
{
if (nRecordSize != 5)
bRecordOk = false;
MoveClipRegion( ReadYXExt() );
}
break;
case W_META_TEXTOUT:
{
//record is Recordsize, RecordFunction, StringLength, <String>, YStart, XStart
const sal_uInt32 nNonStringLen = sizeof(sal_uInt32) + 4 * sizeof(sal_uInt16);
const sal_uInt32 nRecSize = nRecordSize * 2;
if (nRecSize < nNonStringLen)
{
bRecordOk = false;
break;
}
sal_uInt16 nLength = 0;
mpInputStream->ReadUInt16(nLength);
sal_uInt16 nStoredLength = (nLength + 1) &~ 1;
if (nRecSize - nNonStringLen < nStoredLength)
{
SAL_WARN("emfio", "W_META_TEXTOUT too short, truncating string");
nLength = nStoredLength = nRecSize - nNonStringLen;
}
if (nLength)
{
std::vector<char> aChars(nStoredLength);
nLength = std::min<sal_uInt16>(nLength, mpInputStream->ReadBytes(aChars.data(), aChars.size()));
OUString aText(aChars.data(), nLength, GetCharSet());
Point aPosition( ReadYX() );
DrawText( aPosition, aText );
}
}
break;
case W_META_EXTTEXTOUT:
{
//record is Recordsize, RecordFunction, Y, X, StringLength, options, maybe rectangle, <String>
sal_uInt32 nNonStringLen = sizeof(sal_uInt32) + 5 * sizeof(sal_uInt16);
const sal_uInt32 nRecSize = nRecordSize * 2;
if (nRecSize < nNonStringLen)
{
bRecordOk = false;
break;
}
auto nRecordPos = mpInputStream->Tell() - 6;
Point aPosition = ReadYX();
sal_uInt16 nLen = 0, nOptions = 0;
mpInputStream->ReadUInt16( nLen ).ReadUInt16( nOptions );
SAL_INFO( "emfio", "\t\t\t Pos: " << aPosition.getX() << ":" << aPosition.getY() << " String Length: " << nLen << " Options: " << nOptions );
tools::Rectangle aRect;
if ( ( nOptions & ETO_CLIPPED ) || ( nOptions & ETO_OPAQUE ) )
{
nNonStringLen += 2 * sizeof(sal_uInt16);
if (nRecSize < nNonStringLen)
{
bRecordOk = false;
break;
}
const Point aTopLeft = ReadPoint();
const Point aBottomRight = ReadPoint();
aRect = tools::Rectangle( aTopLeft, aBottomRight );
if ( nOptions & ETO_OPAQUE )
DrawRectWithBGColor( aRect );
SAL_INFO( "emfio", "\t\t\t Rectangle : " << aTopLeft.getX() << ":" << aTopLeft.getY() << ", " << aBottomRight.getX() << ":" << aBottomRight.getY() );
}
vcl::text::ComplexTextLayoutFlags nTextLayoutMode = vcl::text::ComplexTextLayoutFlags::Default;
if ( nOptions & ETO_RTLREADING )
nTextLayoutMode = vcl::text::ComplexTextLayoutFlags::BiDiRtl | vcl::text::ComplexTextLayoutFlags::TextOriginLeft;
SetTextLayoutMode( nTextLayoutMode );
SAL_WARN_IF( ( nOptions & ( ETO_PDY | ETO_GLYPH_INDEX ) ) != 0, "emfio", "SJ: ETO_PDY || ETO_GLYPH_INDEX in WMF" );
// output only makes sense if the text contains characters
if (nLen)
{
sal_Int32 nOriginalTextLen = nLen;
sal_Int32 nOriginalBlockLen = ( nOriginalTextLen + 1 ) &~ 1;
auto nMaxStreamPos = nRecordPos + nRecSize;
auto nRemainingSize = std::min(mpInputStream->remainingSize(), nMaxStreamPos - mpInputStream->Tell());
if (nRemainingSize < o3tl::make_unsigned(nOriginalBlockLen))
{
SAL_WARN("emfio", "exttextout record claimed more data than the stream can provide");
nOriginalTextLen = nOriginalBlockLen = nRemainingSize;
}
std::vector<char> pChar(nOriginalBlockLen);
mpInputStream->ReadBytes(pChar.data(), nOriginalBlockLen);
OUString aText(pChar.data(), nOriginalTextLen, GetCharSet()); // after this conversion the text may contain
sal_Int32 nNewTextLen = aText.getLength(); // less character (japanese version), so the
// dxAry will not fit
if ( nNewTextLen )
{
if ( nOptions & ETO_CLIPPED )
{
Push(); // Save the current clip. It will be restored after text drawing
IntersectClipRect( aRect );
}
SAL_INFO( "emfio", "\t\t\t Text : " << aText );
KernArray aDXAry;
std::unique_ptr<tools::Long[]> pDYAry;
auto nDxArySize = nMaxStreamPos - mpInputStream->Tell();
auto nDxAryEntries = nDxArySize >> 1;
bool bUseDXAry = false;
if ( ( ( nDxAryEntries % nOriginalTextLen ) == 0 ) && ( nNewTextLen <= nOriginalTextLen ) )
{
sal_Int32 i; // needed just outside the for
aDXAry.resize( nNewTextLen );
if ( nOptions & ETO_PDY )
{
pDYAry.reset(new tools::Long[ nNewTextLen ]);
}
for (i = 0; i < nNewTextLen; i++ )
{
if ( mpInputStream->Tell() >= nMaxStreamPos )
break;
sal_Int32 nDxCount = 1;
if ( nNewTextLen != nOriginalTextLen )
{
sal_Unicode cUniChar = aText[i];
OString aTmp(&cUniChar, 1, GetCharSet());
if ( aTmp.getLength() > 1 )
{
nDxCount = aTmp.getLength();
}
}
sal_Int16 nDx = 0, nDy = 0;
while ( nDxCount-- )
{
if ( ( mpInputStream->Tell() + 2 ) > nMaxStreamPos )
break;
sal_Int16 nDxTmp = 0;
mpInputStream->ReadInt16(nDxTmp);
nDx += nDxTmp;
if ( nOptions & ETO_PDY )
{
if ( ( mpInputStream->Tell() + 2 ) > nMaxStreamPos )
break;
sal_Int16 nDyTmp = 0;
mpInputStream->ReadInt16(nDyTmp);
nDy += nDyTmp;
}
}
aDXAry[i] = nDx;
if ( nOptions & ETO_PDY )
{
pDYAry[i] = nDy;
}
}
if ( i == nNewTextLen )
bUseDXAry = true;
}
if ( bUseDXAry )
DrawText( aPosition, aText, &aDXAry, pDYAry.get() );
else
DrawText( aPosition, aText );
if ( nOptions & ETO_CLIPPED )
Pop();
}
}
}
break;
case W_META_SELECTOBJECT:
case W_META_SELECTPALETTE:
{
if (nRecordSize != 4)
bRecordOk = false;
sal_uInt16 nObjIndex = 0;
mpInputStream->ReadUInt16( nObjIndex );
SelectObject( nObjIndex );
}
break;
case W_META_SETTEXTALIGN:
{
// It could have Reserved values. Both 4 and 5 sizes are allowed
if ((nRecordSize != 4) && (nRecordSize != 5))
bRecordOk = false;
sal_uInt16 nAlign = 0;
mpInputStream->ReadUInt16( nAlign );
SetTextAlign( nAlign );
}
break;
case W_META_BITBLT:
case W_META_STRETCHBLT:
{
sal_uInt32 nRasterOperation = 0;
sal_Int16 nSrcHeight = 0, nSrcWidth = 0, nYSrc, nXSrc, nSye, nSxe, nBitmapType, nWidth, nHeight, nBytesPerScan;
sal_uInt8 nPlanes, nBitCount;
const bool bNoSourceBitmap = ( nRecordSize == ( static_cast< sal_uInt32 >( nFunc ) >> 8 ) + 3 );
mpInputStream->ReadUInt32( nRasterOperation );
SAL_INFO("emfio", "\t\t Raster operation: 0x" << std::hex << nRasterOperation << std::dec << ", No source bitmap: " << bNoSourceBitmap);
if (nFunc == W_META_STRETCHBLT)
{
if (nRecordSize < 18)
bRecordOk = false;
mpInputStream->ReadInt16(nSrcHeight).ReadInt16(nSrcWidth);
}
else
if (nRecordSize < 16)
bRecordOk = false;
mpInputStream->ReadInt16( nYSrc ).ReadInt16( nXSrc );
if ( bNoSourceBitmap )
mpInputStream->SeekRel( 2 ); // Skip Reserved 2 bytes (it must be ignored)
mpInputStream->ReadInt16( nSye ).ReadInt16( nSxe );
Point aPoint( ReadYX() ); // The upper-left corner of the destination rectangle.
mpInputStream->ReadInt16( nBitmapType ).ReadInt16( nWidth ).ReadInt16( nHeight ).ReadInt16( nBytesPerScan ).ReadUChar( nPlanes ).ReadUChar( nBitCount );
SAL_INFO("emfio", "\t\t Bitmap type:" << nBitmapType << " Width:" << nWidth << " Height:" << nHeight << " WidthBytes:" << nBytesPerScan << " Planes: " << static_cast< sal_uInt16 >( nPlanes ) << " BitCount: " << static_cast< sal_uInt16 >( nBitCount ) );
if (!mpInputStream->good() || bNoSourceBitmap || nBitCount == 4 || nBitCount == 8 || nPlanes != 1)
{
SAL_WARN("emfio", "\t\t TODO The unsupported Bitmap record. Please fill a bug.");
break;
}
bool bOk = nWidth > 0 && nHeight > 0 && nBytesPerScan > 0
&& (nBitCount == 1 || nBitCount == 8 || nBitCount == 24 || nBitCount == 32);
if (bOk)
{
// must be enough data to fulfil the request
bOk = o3tl::make_unsigned( nBytesPerScan ) <= mpInputStream->remainingSize() / nHeight;
}
if (bOk)
{
// scanline must be large enough to provide all pixels
bOk = nBytesPerScan >= nWidth * nBitCount / 8;
}
if (bOk)
{
std::unique_ptr< sal_uInt8[] > pData;
pData.reset( new sal_uInt8[ nHeight * nBytesPerScan ] );
mpInputStream->ReadBytes( pData.get(), nHeight * nBytesPerScan );
BitmapEx aBitmap = vcl::bitmap::CreateFromData( pData.get(), nWidth, nHeight, nBytesPerScan, nBitCount, true );
if ( nSye && nSxe &&
( nXSrc + nSxe <= nWidth ) &&
( nYSrc + nSye <= nHeight ) )
{
tools::Rectangle aCropRect( Point( nXSrc, nYSrc ), Size( nSxe, nSye ) );
aBitmap.Crop( aCropRect );
}
tools::Rectangle aDestRect( aPoint, Size( nSxe, nSye ) );
maBmpSaveList.emplace_back(aBitmap, aDestRect, nRasterOperation);
}
}
break;
case W_META_DIBBITBLT:
case W_META_DIBSTRETCHBLT:
case W_META_STRETCHDIB:
{
sal_uInt32 nRasterOperation = 0;
sal_uInt16 nColorUsage = 0;
sal_Int16 nSrcHeight = 0, nSrcWidth = 0, nYSrc = 0, nXSrc = 0;
Bitmap aBmp;
const bool bNoSourceBitmap = ( nFunc != W_META_STRETCHDIB ) && ( nRecordSize == ( ( static_cast< sal_uInt32 >( nFunc ) >> 8 ) + 3 ) );
if (nRecordSize < 12)
bRecordOk = false;
mpInputStream->ReadUInt32( nRasterOperation );
SAL_INFO("emfio", "\t\t Raster operation: 0x" << std::hex << nRasterOperation << std::dec << ", No source bitmap: " << bNoSourceBitmap);
if (nFunc == W_META_STRETCHDIB)
{
if (nRecordSize < 15)
bRecordOk = false;
mpInputStream->ReadUInt16(nColorUsage);
}
// nSrcHeight and nSrcWidth 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_DIBSTRETCHBLT ||
nFunc == W_META_STRETCHDIB )
mpInputStream->ReadInt16( nSrcHeight ).ReadInt16( nSrcWidth );
// nYSrc and nXSrc is the offset of the first pixel
mpInputStream->ReadInt16( nYSrc ).ReadInt16( nXSrc );
if ( bNoSourceBitmap )
mpInputStream->SeekRel( 2 ); // Skip Reserved 2 bytes (it must be ignored)
Size aDestSize( ReadYXExt() );
if ( aDestSize.Width() && aDestSize.Height() ) // #92623# do not try to read buggy bitmaps
{
tools::Rectangle aDestRect( ReadYX(), aDestSize );
if ( !bNoSourceBitmap )
{
// tdf#142625 Read the DIBHeader and check if bitmap is supported
// If bitmap is not supported don't run ReadDIB, as it will interrupt image processing
const auto nOldPos(mpInputStream->Tell());
sal_uInt32 nHeaderSize(0);
mpInputStream->ReadUInt32( nHeaderSize );
if ( nHeaderSize == 0xC ) // BitmapCoreHeader
mpInputStream->SeekRel( 6 ); // skip Width (16), Height (16), Planes (16)
else
mpInputStream->SeekRel( 10 ); // skip Width (32), Height (32), Planes (16)
sal_uInt16 nBitCount(0);
mpInputStream->ReadUInt16( nBitCount );
if ( nBitCount == 0 ) // TODO Undefined BitCount (JPEG/PNG), which are not supported
break;
mpInputStream->Seek(nOldPos);
if ( !ReadDIB( aBmp, *mpInputStream, false ) )
SAL_WARN( "emfio", "\tTODO Read DIB failed. Interrupting processing whole image. Please report bug report." );
}
// test if it is sensible to crop
if ( nSrcHeight && nSrcWidth &&
( nXSrc + nSrcWidth <= aBmp.GetSizePixel().Width() ) &&
( nYSrc + nSrcHeight <= aBmp.GetSizePixel().Height() ) )
{
tools::Rectangle aCropRect( Point( nXSrc, nYSrc ), Size( nSrcWidth, nSrcHeight ) );
aBmp.Crop( aCropRect );
}
maBmpSaveList.emplace_back(aBmp, aDestRect, nRasterOperation);
}
}
break;
case W_META_DIBCREATEPATTERNBRUSH:
{
Bitmap aBmp;
sal_uInt32 nRed(0), nGreen(0), nBlue(0), nCount(1);
sal_uInt16 nStyle(0), nColorUsage(0);
if (nRecordSize < 5)
bRecordOk = false;
mpInputStream->ReadUInt16( nStyle ).ReadUInt16( nColorUsage );
BrushStyle eStyle = static_cast<BrushStyle>(nStyle);
SAL_INFO( "emfio", "\t\t Style:" << nStyle << ", ColorUsage: " << nColorUsage );
if ( eStyle == BrushStyle::BS_PATTERN ) // TODO tdf#142625 Add support for pattern
{
SAL_WARN( "emfio", "\tTODO: Pattern brush style is not supported." );
CreateObject();
break;
}
if ( !ReadDIB( aBmp, *mpInputStream, false ) )
SAL_WARN( "emfio", "\tTODO Read DIB failed. Interrupting processing whole image. Please report bug report." );
if ( !aBmp.IsEmpty() )
{
BitmapScopedReadAccess pBmp(aBmp);
for ( tools::Long y = 0; y < pBmp->Height(); y++ )
{
for ( tools::Long 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++;
}
Color aColor( static_cast<sal_uInt8>( nRed / nCount ), static_cast<sal_uInt8>( nGreen / nCount ), static_cast<sal_uInt8>( nBlue / nCount ) );
CreateObject(std::make_unique<WinMtfFillStyle>( aColor, false ));
}
break;
case W_META_DELETEOBJECT:
{
if (nRecordSize != 4)
bRecordOk = false;
sal_uInt16 nIndex = 0;
mpInputStream->ReadUInt16( nIndex );
DeleteObject( nIndex );
}
break;
case W_META_CREATEPALETTE:
{
sal_uInt16 nStart = 0;
sal_uInt16 nNumberOfEntries = 0;
mpInputStream->ReadUInt16(nStart);
mpInputStream->ReadUInt16(nNumberOfEntries);
if (nRecordSize != 2u * nNumberOfEntries + 5u)
bRecordOk = false;
SAL_INFO("emfio", "\t\t Start 0x" << std::hex << nStart << std::dec << ", Number of entries: " << nNumberOfEntries);
sal_uInt32 nPalleteEntry;
std::vector< Color > aPaletteColors;
for (sal_uInt16 i = 0; i < nNumberOfEntries; ++i)
{
//PALETTEENTRY: Values, Blue, Green, Red
mpInputStream->ReadUInt32( nPalleteEntry );
SAL_INFO("emfio", "\t\t " << i << ". Palette entry: " << std::setw(10) << std::showbase <<std::hex << nPalleteEntry << std::dec );
aPaletteColors.emplace_back(static_cast<sal_uInt8>(nPalleteEntry), static_cast<sal_uInt8>(nPalleteEntry >> 8), static_cast<sal_uInt8>(nPalleteEntry >> 16));
}
CreateObject(std::make_unique<WinMtfPalette>( aPaletteColors ));
}
break;
case W_META_CREATEBRUSH:
{
SAL_WARN( "emfio", "TODO: Not implemented. Please fill the bug report" );
CreateObject(std::make_unique<WinMtfFillStyle>( COL_WHITE, false ));
}
break;
case W_META_CREATEPATTERNBRUSH:
{
SAL_WARN( "emfio", "TODO: Not implemented. Please fill the bug report" );
CreateObject(std::make_unique<WinMtfFillStyle>( COL_WHITE, false ));
}
break;
case W_META_CREATEPENINDIRECT:
{
// FIXME For some WMF correct size is 8 and for some 9
if ((nRecordSize != 8) && (nRecordSize != 9))
bRecordOk = false;
LineInfo aLineInfo;
sal_uInt16 nStyle = 0;
sal_uInt16 nWidth = 0;
sal_uInt16 nHeight = 0;
mpInputStream->ReadUInt16(nStyle);
mpInputStream->ReadUInt16(nWidth);
mpInputStream->ReadUInt16(nHeight);
CreateObject(std::make_unique<WinMtfLineStyle>(ReadColor(), nStyle, nWidth));
}
break;
case W_META_CREATEBRUSHINDIRECT:
{
if (nRecordSize != 7)
bRecordOk = false;
sal_uInt16 nBrushStyle = 0;
mpInputStream->ReadUInt16( nBrushStyle );
BrushStyle eBrushStyle = static_cast<BrushStyle>(nBrushStyle);
CreateObject(std::make_unique<WinMtfFillStyle>( ReadColor(), ( eBrushStyle == BrushStyle::BS_NULL ) ));
SAL_WARN_IF( (eBrushStyle != BrushStyle::BS_SOLID) && (eBrushStyle != BrushStyle::BS_NULL), "emfio", "TODO: Brush style not implemented. Please fill the bug report" );
}
break;
case W_META_CREATEFONTINDIRECT:
{
Size aFontSize;
char lfFaceName[LF_FACESIZE+1];
sal_Int16 lfEscapement = 0;
sal_Int16 lfOrientation = 0;
sal_Int16 lfWeight = 0;
LOGFONTW aLogFont;
aFontSize = ReadYXExt();
mpInputStream->ReadInt16( lfEscapement );
mpInputStream->ReadInt16( lfOrientation );
mpInputStream->ReadInt16( lfWeight );
mpInputStream->ReadUChar( aLogFont.lfItalic );
mpInputStream->ReadUChar( aLogFont.lfUnderline );
mpInputStream->ReadUChar( aLogFont.lfStrikeOut );
mpInputStream->ReadUChar( aLogFont.lfCharSet );
mpInputStream->ReadUChar( aLogFont.lfOutPrecision );
mpInputStream->ReadUChar( aLogFont.lfClipPrecision );
mpInputStream->ReadUChar( aLogFont.lfQuality );
mpInputStream->ReadUChar( aLogFont.lfPitchAndFamily );
size_t nRet = mpInputStream->ReadBytes( lfFaceName, LF_FACESIZE );
lfFaceName[nRet] = 0;
aLogFont.lfWidth = aFontSize.Width();
aLogFont.lfHeight = aFontSize.Height();
aLogFont.lfEscapement = lfEscapement;
aLogFont.lfOrientation = lfOrientation;
aLogFont.lfWeight = lfWeight;
rtl_TextEncoding 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;
size_t nLength = strlen(lfFaceName);
aLogFont.alfFaceName = OUString( lfFaceName, nLength, eCharSet );
SAL_INFO("emfio", "\tFacename: " << lfFaceName);
if ((nRecordSize < 12) || (nRecordSize > 28))
bRecordOk = false;
else
CreateObject(std::make_unique<WinMtfFontStyle>(aLogFont));
}
break;
case W_META_CREATEBITMAPINDIRECT:
{
SAL_WARN( "emfio", "TODO: W_META_CREATEBITMAPINDIRECT is not implemented. Please fill the bug report" );
CreateObject();
}
break;
case W_META_CREATEBITMAP:
{
SAL_WARN( "emfio", "TODO: W_META_CREATEBITMAP is not implemented. Please fill the bug report" );
CreateObject();
}
break;
case W_META_CREATEREGION:
{
SAL_WARN( "emfio", "TODO: W_META_CREATEREGION is not implemented. Please fill the bug report" );
CreateObject();
}
break;
case W_META_EXCLUDECLIPRECT:
{
if (nRecordSize != 7)
bRecordOk = false;
SAL_WARN("emfio", "TODO: Not working correctly. Please fill the bug report");
ExcludeClipRect(ReadRectangle());
}
break;
case W_META_PATBLT:
{
if (nRecordSize != 9)
bRecordOk = false;
sal_uInt32 nROP = 0;
mpInputStream->ReadUInt32( nROP );
Size aSize = ReadYXExt();
WMFRasterOp nOldROP = SetRasterOp( static_cast<WMFRasterOp>(nROP) );
DrawRect( tools::Rectangle( ReadYX(), aSize ), false );
SetRasterOp( nOldROP );
}
break;
case W_META_SELECTCLIPREGION:
{
if (nRecordSize != 4)
bRecordOk = false;
sal_uInt16 nObjIndex = 0;
mpInputStream->ReadUInt16( nObjIndex );
SAL_WARN( "emfio", "TODO: W_META_SELECTCLIPREGION is not implemented. Please fill the bug report" );
if ( !nObjIndex )
{
tools::PolyPolygon aEmptyPolyPoly;
SetClipPath( aEmptyPolyPoly, RegionMode::RGN_COPY, true );
}
}
break;
case W_META_ESCAPE:
{
sal_uInt64 nMetaRecSize = static_cast<sal_uInt64>(nRecordSize - 2) * 2;
sal_uInt64 nMetaRecEndPos = mpInputStream->Tell() + nMetaRecSize;
// taking care that nRecordSize does not exceed the maximal stream position
if (nMetaRecEndPos > mnEndPos)
{
mpInputStream->SetError(SVSTREAM_FILEFORMAT_ERROR);
break;
}
sal_uInt16 nMode = 0, nLen = 0;
mpInputStream->ReadUInt16(nMode).ReadUInt16(nLen);
if (nRecordSize != ((nLen + 1u) >> 1u) + 5u)
{
bRecordOk = false;
break;
}
if ((nMode == W_MFCOMMENT) && (nLen >= 4))
{
sal_uInt32 nNewMagic = 0; // we have to read int32 for
// META_ESCAPE_ENHANCED_METAFILE CommentIdentifier
mpInputStream->ReadUInt32(nNewMagic);
if (nNewMagic == 0x2c2a4f4f && nLen >= 14)
{
sal_uInt16 nMagic2 = 0;
mpInputStream->ReadUInt16(nMagic2);
if (nMagic2 == 0x0a) // 2nd half of magic
{ // continue with private escape
sal_uInt32 nCheck = 0, nEsc = 0;
mpInputStream->ReadUInt32(nCheck).ReadUInt32(nEsc);
sal_uInt32 nEscLen = nLen - 14;
if (nEscLen <= (nRecordSize * 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
std::unique_ptr<sal_Int8[]> pData;
if ((static_cast<sal_uInt64>(nEscLen) + mpInputStream->Tell())
> nMetaRecEndPos)
{
mpInputStream->SetError(SVSTREAM_FILEFORMAT_ERROR);
break;
}
if (nEscLen > 0)
{
pData.reset(new sal_Int8[nEscLen]);
mpInputStream->ReadBytes(pData.get(), nEscLen);
nCheckSum = rtl_crc32(nCheckSum, pData.get(), 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(
GetFont().GetFamilyName()))
{
Point aPt;
sal_uInt32 nStringLen, nDXCount;
KernArray aDXAry;
SvMemoryStream aMemoryStream(nEscLen);
aMemoryStream.WriteBytes(pData.get(), nEscLen);
aMemoryStream.Seek(STREAM_SEEK_TO_BEGIN);
sal_Int32 nTmpX(0), nTmpY(0);
aMemoryStream.ReadInt32(nTmpX)
.ReadInt32(nTmpY)
.ReadUInt32(nStringLen);
aPt.setX(nTmpX);
aPt.setY(nTmpY);
if ((static_cast<sal_uInt64>(nStringLen)
* sizeof(sal_Unicode))
< (nEscLen - aMemoryStream.Tell()))
{
OUString aString = read_uInt16s_ToOUString(
aMemoryStream, nStringLen);
aMemoryStream.ReadUInt32(nDXCount);
if ((static_cast<sal_uInt64>(nDXCount)
* sizeof(sal_Int32))
>= (nEscLen - aMemoryStream.Tell()))
nDXCount = 0;
if (nDXCount)
aDXAry.resize(nDXCount);
for (sal_uInt32 i = 0; i < nDXCount; i++)
{
sal_Int32 val;
aMemoryStream.ReadInt32(val);
aDXAry[i] = val;
}
aMemoryStream.ReadUInt32(mnSkipActions);
DrawText(aPt, aString,
aDXAry.empty() ? nullptr : &aDXAry);
}
}
}
break;
}
}
}
}
}
else if ((nNewMagic == static_cast<sal_uInt32>(0x43464D57)) && (nLen >= 34)
&& (static_cast<sal_Int32>(nLen + 10)
<= static_cast<sal_Int32>(nRecordSize * 2)))
{
sal_uInt32 nComType = 0, nVersion = 0, nFlags = 0, nComRecCount = 0,
nCurRecSize = 0, nRemainingSize = 0, nEMFTotalSize = 0;
sal_uInt16 nCheck = 0;
mpInputStream->ReadUInt32(nComType)
.ReadUInt32(nVersion)
.ReadUInt16(nCheck)
.ReadUInt32(nFlags)
.ReadUInt32(nComRecCount)
.ReadUInt32(nCurRecSize)
.ReadUInt32(nRemainingSize)
.ReadUInt32(
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 (!mnEMFRec)
{ // first EMF comment
mnEMFRecCount = nComRecCount;
mnEMFSize = nEMFTotalSize;
if (mnEMFSize > mpInputStream->remainingSize())
{
SAL_WARN("emfio",
"emf size claims to be larger than remaining data");
mpEMFStream.reset();
}
else
mpEMFStream = std::vector<sal_uInt8>();
}
else if ((mnEMFRecCount != nComRecCount)
|| (mnEMFSize != nEMFTotalSize)) // add additional checks here
{
// total records should be the same as in previous comments
mnEMFRecCount = 0xFFFFFFFF;
mpEMFStream.reset();
}
mnEMFRec++;
if (mpEMFStream && nCurRecSize + 34 > nLen)
{
mnEMFRecCount = 0xFFFFFFFF;
mpEMFStream.reset();
}
if (mpEMFStream && nCurRecSize > mpInputStream->remainingSize())
{
SAL_WARN("emfio",
"emf record size claims to be larger than remaining data");
mnEMFRecCount = 0xFFFFFFFF;
mpEMFStream.reset();
}
if (mpEMFStream)
{
std::vector<sal_Int8> aBuf(nCurRecSize);
sal_uInt32 nCount = mpInputStream->ReadBytes(aBuf.data(), nCurRecSize);
if (nCount == nCurRecSize)
{
mpEMFStream->insert(mpEMFStream->end(), aBuf.begin(), aBuf.end());
}
}
}
}
}
}
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_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:
{
SAL_WARN("emfio", "TODO: WMF record not implemented: " << record_type_name(nFunc));
}
break;
default:
{
SAL_WARN("emfio", "Unknown Meta Action: 0x" << std::hex << nFunc << std::dec);
}
}
if (!bRecordOk)
{
SAL_WARN("emfio", "WMF validation failed, record: " <<
record_type_name(nFunc) << ", size: " << nRecordSize);
mpInputStream->SetError(SVSTREAM_FILEFORMAT_ERROR);
}
// tdf#127471
maScaledFontHelper.applyAlternativeFontScale();
}
const tools::Long aMaxWidth = 1024;
bool WmfReader::ReadHeader()
{
sal_uInt64 const nStrmPos = mpInputStream->Tell();
sal_uInt32 nPlaceableMetaKey(0);
// if available read the METAFILEHEADER
mpInputStream->ReadUInt32( nPlaceableMetaKey );
if (!mpInputStream->good())
return false;
tools::Rectangle aPlaceableBound;
mbPlaceable = nPlaceableMetaKey == 0x9ac6cdd7L;
SAL_INFO("emfio", "Placeable: \"" << (mbPlaceable ? "yes" : "no") << "\"");
if (mbPlaceable)
{
//TODO do some real error handling here
sal_Int16 nVal(0);
// Skip reserved bytes
mpInputStream->SeekRel(2);
// BoundRect
// These are simply ignored for now
mpInputStream->ReadInt16( nVal );
aPlaceableBound.SetLeft( nVal );
mpInputStream->ReadInt16( nVal );
aPlaceableBound.SetTop( nVal );
mpInputStream->ReadInt16( nVal );
aPlaceableBound.SetRight( nVal );
mpInputStream->ReadInt16( nVal );
aPlaceableBound.SetBottom( nVal );
// inch
mpInputStream->ReadUInt16( mnUnitsPerInch );
// reserved
mpInputStream->SeekRel( 4 );
// Skip and don't check the checksum
mpInputStream->SeekRel( 2 );
// Skip wmf header
mpInputStream->Seek( nStrmPos + 40 ); // set the streampos to the start of the metaactions
GetPlaceableBound( aPlaceableBound, mpInputStream );
// Go back to the place after placeable header
mpInputStream->Seek( nStrmPos + 22);
}
else
{
// Default is 1440, but it is set to 96 to show the wmf larger
mnUnitsPerInch = 96;
if (mpExternalHeader != nullptr
&& mpExternalHeader->xExt > 0
&& mpExternalHeader->yExt > 0
&& (mpExternalHeader->mapMode == MappingMode::MM_ISOTROPIC || mpExternalHeader->mapMode == MappingMode::MM_ANISOTROPIC))
{
// #n417818#: If we have an external header then overwrite the bounds!
tools::Rectangle aExtRect(0, 0,
o3tl::convert(mpExternalHeader->xExt, o3tl::Length::mm100, o3tl::Length::px),
o3tl::convert(mpExternalHeader->yExt, o3tl::Length::mm100, o3tl::Length::px));
aPlaceableBound = aExtRect;
SAL_INFO("emfio", "External header size "
" left: " << aPlaceableBound.Left() << " top: " << aPlaceableBound.Top()
<< " right: " << aPlaceableBound.Right() << " bottom: " << aPlaceableBound.Bottom());
SetMapMode(static_cast<MappingMode>(mpExternalHeader->mapMode));;
}
else
{
mpInputStream->Seek(nStrmPos + 18); // set the streampos to the start of the metaactions
GetPlaceableBound(aPlaceableBound, mpInputStream);
// The image size is not known so normalize the calculated bounds so that the
// resulting image is not too big
if (aPlaceableBound.GetWidth() > aMaxWidth)
{
const double fMaxWidth = static_cast<double>(aMaxWidth);
double fRatio = aPlaceableBound.GetWidth() / fMaxWidth;
// changing mnUnitsPerInch as a tool to scale wmf
mnUnitsPerInch *= fRatio;
}
SAL_INFO("emfio", "Placeable bounds "
" left: " << aPlaceableBound.Left() << " top: " << aPlaceableBound.Top() <<
" right: " << aPlaceableBound.Right() << " bottom: " << aPlaceableBound.Bottom());
}
mpInputStream->Seek( nStrmPos );
}
SetWinOrg( aPlaceableBound.TopLeft() );
Size aWMFSize(
std::abs( aPlaceableBound.GetWidth() ), std::abs( aPlaceableBound.GetHeight() ) );
SetWinExt( aWMFSize );
SAL_INFO("emfio", "WMF size w: " << aWMFSize.Width() << " h: " << aWMFSize.Height());
Size aDevExt( 10000, 10000 );
if( ( std::abs( aWMFSize.Width() ) > 1 ) && ( std::abs( aWMFSize.Height() ) > 1 ) )
{
const Fraction aFrac( 1, mnUnitsPerInch);
MapMode aWMFMap( MapUnit::MapInch, Point(), aFrac, aFrac );
Size aSize100(OutputDevice::LogicToLogic(aWMFSize, aWMFMap, MapMode(MapUnit::Map100thMM)));
aDevExt = Size( std::abs( aSize100.Width() ), std::abs( aSize100.Height() ) );
}
SetDevExt( aDevExt );
SAL_INFO("emfio", "Dev size w: " << aDevExt.Width() << " h: " << aDevExt.Height());
// read the METAHEADER
sal_uInt32 nMetaKey(0);
mpInputStream->ReadUInt32( nMetaKey ); // type and headersize
if (!mpInputStream->good())
return false;
if (nMetaKey != 0x00090001)
{
sal_uInt16 aNextWord(0);
mpInputStream->ReadUInt16( aNextWord );
if (nMetaKey != 0x10000 || aNextWord != 0x09)
{
mpInputStream->SetError( SVSTREAM_FILEFORMAT_ERROR );
return false;
}
}
mpInputStream->SeekRel( 2 ); // Version (of Windows)
mpInputStream->SeekRel( 4 ); // Size (of file in words)
mpInputStream->SeekRel( 2 ); // NoObjects (maximum number of simultaneous objects)
mpInputStream->SeekRel( 4 ); // MaxRecord (size of largest record in words)
mpInputStream->SeekRel( 2 ); // NoParameters (Unused
return mpInputStream->good();
}
void WmfReader::ReadWMF()
{
sal_uInt16 nFunction;
mnSkipActions = 0;
mpEMFStream.reset();
mnEMFRecCount = 0;
mnEMFRec = 0;
mnEMFSize = 0;
SetMapMode( MappingMode::MM_ANISOTROPIC );
SetWinOrg( Point() );
SetWinExt( Size( 1, 1 ) );
SetDevExt( Size( 10000, 10000 ) );
mnEndPos=mpInputStream->TellEnd();
mpInputStream->Seek( mnStartPos );
if ( ReadHeader( ) )
{
auto nPos = mpInputStream->Tell();
if( mnEndPos - mnStartPos )
{
bool bEMFAvailable = false;
while( !mpInputStream->eof() )
{
mpInputStream->ReadUInt32(mnRecSize).ReadUInt16( nFunction );
if (!mpInputStream->good() || (mnRecSize < 3) || (nFunction == W_META_EOF))
{
if (mpInputStream->eof())
mpInputStream->SetError(SVSTREAM_FILEFORMAT_ERROR);
break;
}
const sal_uInt32 nAvailableBytes = mnEndPos - nPos;
const sal_uInt32 nMaxPossibleRecordSize = nAvailableBytes/2;
if (mnRecSize > nMaxPossibleRecordSize)
{
mpInputStream->SetError(SVSTREAM_FILEFORMAT_ERROR);
break;
}
if ( !bEMFAvailable )
{
if( !maBmpSaveList.empty()
&& ( nFunction != W_META_STRETCHDIB )
&& ( nFunction != W_META_DIBBITBLT )
&& ( nFunction != W_META_DIBSTRETCHBLT )
)
{
ResolveBitmapActions( maBmpSaveList );
}
if ( !mnSkipActions)
ReadRecordParams( mnRecSize, nFunction );
else
mnSkipActions--;
if(mpEMFStream && mnEMFRecCount == mnEMFRec)
{
GDIMetaFile aMeta;
SvMemoryStream aStream(mpEMFStream->data(), mpEMFStream->size(), StreamMode::STD_READ);
std::unique_ptr<EmfReader> pEMFReader(std::make_unique<EmfReader>(aStream, aMeta));
pEMFReader->SetEnableEMFPlus(mbEnableEMFPlus);
bEMFAvailable = pEMFReader->ReadEnhWMF();
pEMFReader.reset(); // destroy first!!!
if( bEMFAvailable )
{
AddFromGDIMetaFile( aMeta );
SetrclFrame( tools::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
mpEMFStream.reset();
}
}
}
nPos += mnRecSize * 2;
mpInputStream->Seek(nPos);
}
}
else
mpInputStream->SetError( SVSTREAM_GENERALERROR );
if( !mpInputStream->GetError() && !maBmpSaveList.empty() )
ResolveBitmapActions( maBmpSaveList );
}
if ( mpInputStream->GetError() )
mpInputStream->Seek( mnStartPos );
}
void WmfReader::GetPlaceableBound( tools::Rectangle& rPlaceableBound, SvStream* pStm )
{
bool bRet = true;
tools::Rectangle aBound;
aBound.SetLeft( RECT_MAX );
aBound.SetTop( RECT_MAX );
aBound.SetRight( RECT_MIN );
aBound.SetBottom( RECT_MIN );
bool bBoundsDetermined = false;
auto nPos = pStm->Tell();
auto nEnd = nPos + pStm->remainingSize();
Point aWinOrg(0,0);
std::optional<Size> aWinExt;
Point aViewportOrg(0,0);
std::optional<Size> aViewportExt;
MappingMode eMapMode = MappingMode::MM_ANISOTROPIC;
if (nEnd - nPos)
{
sal_uInt16 nFunction;
sal_uInt32 nRSize;
while( bRet )
{
pStm->ReadUInt32( nRSize ).ReadUInt16( nFunction );
if( pStm->GetError() )
{
bRet = false;
break;
}
else if (pStm->eof() || nRSize < 3)
{
pStm->SetError( SVSTREAM_FILEFORMAT_ERROR );
bRet = false;
break;
}
else if (nFunction == W_META_EOF)
{
break;
}
switch( nFunction )
{
case W_META_SETWINDOWORG:
{
aWinOrg = ReadYX();
}
break;
case W_META_SETWINDOWEXT:
{
sal_Int16 nWidth(0), nHeight(0);
pStm->ReadInt16(nHeight);
pStm->ReadInt16(nWidth);
aWinExt = Size(nWidth, nHeight);
}
break;
case W_META_SETVIEWPORTORG:
{
aViewportOrg = ReadYX();
}
break;
case W_META_SETVIEWPORTEXT:
{
sal_Int16 nWidth(0), nHeight(0);
pStm->ReadInt16(nHeight);
pStm->ReadInt16(nWidth);
aViewportExt = Size(nWidth, nHeight);
}
break;
case W_META_SETMAPMODE:
{
sal_uInt16 nMapMode(0);
pStm->ReadUInt16(nMapMode);
eMapMode = static_cast<MappingMode>(nMapMode);
}
break;
case W_META_MOVETO:
case W_META_LINETO:
{
GetWinExtMax( ReadYX(), aBound, eMapMode );
bBoundsDetermined = true;
}
break;
case W_META_RECTANGLE:
case W_META_INTERSECTCLIPRECT:
case W_META_EXCLUDECLIPRECT:
case W_META_ELLIPSE:
{
GetWinExtMax( ReadRectangle(), aBound, eMapMode );
bBoundsDetermined = true;
}
break;
case W_META_ROUNDRECT:
{
ReadYXExt(); // size
GetWinExtMax( ReadRectangle(), aBound, eMapMode );
bBoundsDetermined = true;
}
break;
case W_META_ARC:
case W_META_PIE:
case W_META_CHORD:
{
ReadYX(); // end
ReadYX(); // start
GetWinExtMax( ReadRectangle(), aBound, eMapMode );
bBoundsDetermined = true;
}
break;
case W_META_POLYGON:
{
bool bRecordOk = true;
sal_uInt16 nPoints(0);
pStm->ReadUInt16( nPoints );
if (nPoints > pStm->remainingSize() / (2 * sizeof(sal_uInt16)))
{
bRecordOk = false;
}
else
{
for(sal_uInt16 i = 0; i < nPoints; i++ )
{
GetWinExtMax( ReadPoint(), aBound, eMapMode );
bBoundsDetermined = true;
}
}
bRecordOk &= pStm->good();
SAL_WARN_IF(!bRecordOk, "emfio", "polyline record claimed more points than the stream can provide");
if (!bRecordOk)
{
pStm->SetError( SVSTREAM_FILEFORMAT_ERROR );
bRet = false;
break;
}
}
break;
case W_META_POLYPOLYGON:
{
bool bRecordOk = true;
sal_uInt16 nPoly(0), nPoints(0);
pStm->ReadUInt16(nPoly);
if (nPoly > pStm->remainingSize() / sizeof(sal_uInt16))
{
bRecordOk = false;
}
else
{
for(sal_uInt16 i = 0; i < nPoly; i++ )
{
sal_uInt16 nP = 0;
pStm->ReadUInt16( nP );
if (nP > SAL_MAX_UINT16 - nPoints)
{
bRecordOk = false;
break;
}
nPoints += nP;
}
}
SAL_WARN_IF(!bRecordOk, "emfio", "polypolygon record has more polygons than we can handle");
bRecordOk &= pStm->good();
if (!bRecordOk)
{
pStm->SetError( SVSTREAM_FILEFORMAT_ERROR );
bRet = false;
break;
}
if (nPoints > pStm->remainingSize() / (2 * sizeof(sal_uInt16)))
{
bRecordOk = false;
}
else
{
for (sal_uInt16 i = 0; i < nPoints; i++ )
{
GetWinExtMax( ReadPoint(), aBound, eMapMode );
bBoundsDetermined = true;
}
}
SAL_WARN_IF(!bRecordOk, "emfio", "polypolygon record claimed more points than the stream can provide");
bRecordOk &= pStm->good();
if (!bRecordOk)
{
pStm->SetError( SVSTREAM_FILEFORMAT_ERROR );
bRet = false;
break;
}
}
break;
case W_META_POLYLINE:
{
bool bRecordOk = true;
sal_uInt16 nPoints(0);
pStm->ReadUInt16(nPoints);
if (nPoints > pStm->remainingSize() / (2 * sizeof(sal_uInt16)))
{
bRecordOk = false;
}
else
{
for (sal_uInt16 i = 0; i < nPoints; ++i)
{
GetWinExtMax( ReadPoint(), aBound, eMapMode );
bBoundsDetermined = true;
}
}
SAL_WARN_IF(!bRecordOk, "emfio", "polyline record claimed more points than the stream can provide");
bRecordOk &= pStm->good();
if (!bRecordOk)
{
pStm->SetError( SVSTREAM_FILEFORMAT_ERROR );
bRet = false;
break;
}
}
break;
case W_META_SETPIXEL:
{
ReadColor();
GetWinExtMax( ReadYX(), aBound, eMapMode );
bBoundsDetermined = true;
}
break;
case W_META_TEXTOUT:
{
sal_uInt16 nLength(0);
pStm->ReadUInt16( nLength );
// todo: we also have to take care of the text width
if ( nLength )
{
pStm->SeekRel( ( nLength + 1 ) &~ 1 );
GetWinExtMax( ReadYX(), aBound, eMapMode );
bBoundsDetermined = true;
}
}
break;
case W_META_EXTTEXTOUT:
{
sal_uInt16 nLen(0), nOptions;
Point aPosition = ReadYX();
pStm->ReadUInt16( nLen ).ReadUInt16( nOptions );
// todo: we also have to take care of the text width
if( nLen )
{
GetWinExtMax( aPosition, aBound, eMapMode );
bBoundsDetermined = true;
}
}
break;
case W_META_BITBLT:
case W_META_DIBBITBLT:
case W_META_DIBSTRETCHBLT:
case W_META_STRETCHBLT:
case W_META_STRETCHDIB:
{
sal_uInt32 nRasterOperation;
sal_Int16 nYSrc, nXSrc;
sal_uInt16 nColorUsage;
pStm->ReadUInt32( nRasterOperation );
if( nFunction == W_META_STRETCHDIB )
pStm->ReadUInt16( nColorUsage );
if( nFunction == W_META_DIBSTRETCHBLT ||
nFunction == W_META_STRETCHBLT ||
nFunction == W_META_STRETCHDIB )
{
sal_Int16 nSrcHeight, nSrcWidth;
pStm->ReadInt16( nSrcHeight ).ReadInt16( nSrcWidth );
}
// nYSrc and nXSrc is the offset of the first pixel
pStm->ReadInt16( nYSrc ).ReadInt16( nXSrc );
const bool bNoSourceBitmap = ( nFunction != W_META_STRETCHDIB ) && ( nRSize == ( ( static_cast< sal_uInt32 >( nFunction ) >> 8 ) + 3 ) );
if ( bNoSourceBitmap )
mpInputStream->SeekRel( 2 ); // Skip Reserved 2 bytes (it must be ignored)
Size aDestSize( ReadYXExt() );
if ( aDestSize.Width() && aDestSize.Height() ) // #92623# do not try to read buggy bitmaps
{
tools::Rectangle aDestRect( ReadYX(), aDestSize );
GetWinExtMax( aDestRect, aBound, eMapMode );
bBoundsDetermined = true;
}
}
break;
case W_META_PATBLT:
{
sal_uInt32 nROP(0);
pStm->ReadUInt32( nROP );
Size aSize = ReadYXExt();
GetWinExtMax( tools::Rectangle( ReadYX(), aSize ), aBound, eMapMode );
bBoundsDetermined = true;
}
break;
}
const auto nAvailableBytes = nEnd - nPos;
const auto nMaxPossibleRecordSize = nAvailableBytes/2;
if (nRSize <= nMaxPossibleRecordSize)
{
nPos += nRSize * 2;
pStm->Seek(nPos);
}
else
{
pStm->SetError( SVSTREAM_FILEFORMAT_ERROR );
bRet = false;
}
}
}
else
{
pStm->SetError( SVSTREAM_GENERALERROR );
bRet = false;
}
if (!bRet)
{
SAL_WARN("emfio", "Unable to calculate Placeable Bounds");
return;
}
if (aWinExt)
{
rPlaceableBound = tools::Rectangle(aWinOrg, *aWinExt);
if (mbPlaceable && eMapMode == MM_ANISOTROPIC)
{
// It seems that (in MM_ANISOTROPIC WMFs) the "inch" field (PPI) in META_PLACEABLE is
// ignored and instead competitor office suites decide what it should be arbitrarily
// Could have to do with MM_ANISOTROPICs definition:
// Logical units are mapped to arbitrary units with arbitrarily scaled axes.
// The issue is that when PPI is bigger than the window size, the image appears
// tiny (smaller than an inch squared).
// A solution is to scale PPI down in such images to an arbitrary amount that makes
// the image visible:
auto nWidth = rPlaceableBound.GetWidth();
auto nHeight = rPlaceableBound.GetHeight();
if (mnUnitsPerInch > nWidth && mnUnitsPerInch > nHeight)
mnUnitsPerInch = std::max(nWidth, nHeight);
}
SAL_INFO("emfio", "Window dimension "
" left: " << rPlaceableBound.Left() << " top: " << rPlaceableBound.Top()
<< " right: " << rPlaceableBound.Right() << " bottom: " << rPlaceableBound.Bottom());
}
else if (aViewportExt)
{
rPlaceableBound = tools::Rectangle(aViewportOrg, *aViewportExt);
SAL_INFO("emfio", "Viewport dimension "
" left: " << rPlaceableBound.Left() << " top: " << rPlaceableBound.Top()
<< " right: " << rPlaceableBound.Right() << " bottom: " << rPlaceableBound.Bottom());
}
else if (bBoundsDetermined)
{
rPlaceableBound = aBound;
SAL_INFO("emfio", "Determined dimension "
" left: " << rPlaceableBound.Left() << " top: " << rPlaceableBound.Top()
<< " right: " << rPlaceableBound.Right() << " bottom: " << rPlaceableBound.Bottom());
}
else
{
rPlaceableBound.SetLeft( 0 );
rPlaceableBound.SetTop( 0 );
rPlaceableBound.SetRight( aMaxWidth );
rPlaceableBound.SetBottom( aMaxWidth );
SAL_INFO("emfio", "Default dimension "
" left: " << rPlaceableBound.Left() << " top: " << rPlaceableBound.Top()
<< " right: " << rPlaceableBound.Right() << " bottom: " << rPlaceableBound.Bottom());
}
}
WmfReader::WmfReader(SvStream& rStreamWMF, GDIMetaFile& rGDIMetaFile, const WmfExternal* pExternalHeader)
: MtfTools(rGDIMetaFile, rStreamWMF)
, mnUnitsPerInch(96)
, mnRecSize(0)
, mbPlaceable(false)
, mnEMFRecCount(0)
, mnEMFRec(0)
, mnEMFSize(0)
, mnSkipActions(0)
, mpExternalHeader(pExternalHeader)
{
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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