htmlreqifreader.cxx

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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/.
 */
 
#include "htmlreqifreader.hxx"
 
#include <comphelper/scopeguard.hxx>
#include <filter/msfilter/rtfutil.hxx>
#include <rtl/strbuf.hxx>
#include <sot/storage.hxx>
#include <svtools/parrtf.hxx>
#include <svtools/rtfkeywd.hxx>
#include <svtools/rtftoken.h>
#include <tools/stream.hxx>
#include <filter/msfilter/msdffimp.hxx>
#include <vcl/cvtgrf.hxx>
#include <ndole.hxx>
#include <sal/log.hxx>
#include <vcl/FilterConfigItem.hxx>
#include <vcl/wmf.hxx>
#include <comphelper/propertyvalue.hxx>
#include <fmtfsize.hxx>
#include <frmfmt.hxx>
 
using namespace com::sun::star;
 
namespace
{
class ReqIfRtfReader : public SvRTFParser
{
public:
    ReqIfRtfReader(SvStream& rStream);
    void NextToken(int nToken) override;
    bool WriteObjectData(SvStream& rOLE);
 
private:
    bool m_bInObjData = false;
    OStringBuffer m_aHex;
};
 
ReqIfRtfReader::ReqIfRtfReader(SvStream& rStream)
    : SvRTFParser(rStream)
{
}
 
void ReqIfRtfReader::NextToken(int nToken)
{
    switch (nToken)
    {
        case '}':
            m_bInObjData = false;
            break;
        case RTF_TEXTTOKEN:
            if (m_bInObjData)
                m_aHex.append(OUStringToOString(aToken, RTL_TEXTENCODING_ASCII_US));
            break;
        case RTF_OBJDATA:
            m_bInObjData = true;
            break;
    }
}
 
bool ReqIfRtfReader::WriteObjectData(SvStream& rOLE)
{
    return msfilter::rtfutil::ExtractOLE2FromObjdata(m_aHex.makeStringAndClear(), rOLE);
}
 
OString ExtractOLEClassName(const tools::SvRef<SotStorage>& xStorage)
{
    OString aRet;
 
    tools::SvRef<SotStorageStream> pCompObj = xStorage->OpenSotStream("\1CompObj");
    if (!pCompObj)
        return aRet;
 
    pCompObj->Seek(0);
    pCompObj->SeekRel(28); // Header
    if (!pCompObj->good())
        return aRet;
 
    sal_uInt32 nData;
    pCompObj->ReadUInt32(nData); // AnsiUserType
    pCompObj->SeekRel(nData);
    if (!pCompObj->good())
        return aRet;
 
    pCompObj->ReadUInt32(nData); // AnsiClipboardFormat
    pCompObj->SeekRel(nData);
    if (!pCompObj->good())
        return aRet;
 
    pCompObj->ReadUInt32(nData); // Reserved1
    return read_uInt8s_ToOString(*pCompObj, nData - 1); // -1 because it is null-terminated
}
 
bool ParseOLE2Presentation(SvStream& rOle2, sal_uInt32& nWidth, sal_uInt32& nHeight,
                           SvStream& rPresentationData)
{
    // See [MS-OLEDS] 2.3.4, OLEPresentationStream
    rOle2.Seek(0);
    tools::SvRef<SotStorage> pStorage = new SotStorage(rOle2);
    tools::SvRef<SotStorageStream> xOle2Presentation
        = pStorage->OpenSotStream("\002OlePres000", StreamMode::STD_READ);
 
    // Read AnsiClipboardFormat.
    sal_uInt32 nMarkerOrLength = 0;
    xOle2Presentation->ReadUInt32(nMarkerOrLength);
    if (nMarkerOrLength != 0xffffffff)
        // FormatOrAnsiString is not present
        return false;
    sal_uInt32 nFormatOrAnsiLength = 0;
    xOle2Presentation->ReadUInt32(nFormatOrAnsiLength);
    if (nFormatOrAnsiLength != 0x00000003) // CF_METAFILEPICT
        return false;
 
    // Read TargetDeviceSize.
    sal_uInt32 nTargetDeviceSize = 0;
    xOle2Presentation->ReadUInt32(nTargetDeviceSize);
    if (nTargetDeviceSize != 0x00000004)
        // TargetDevice is present
        return false;
 
    sal_uInt32 nAspect = 0;
    xOle2Presentation->ReadUInt32(nAspect);
    sal_uInt32 nLindex = 0;
    xOle2Presentation->ReadUInt32(nLindex);
    sal_uInt32 nAdvf = 0;
    xOle2Presentation->ReadUInt32(nAdvf);
    sal_uInt32 nReserved1 = 0;
    xOle2Presentation->ReadUInt32(nReserved1);
    xOle2Presentation->ReadUInt32(nWidth);
    xOle2Presentation->ReadUInt32(nHeight);
    sal_uInt32 nSize = 0;
    xOle2Presentation->ReadUInt32(nSize);
 
    // Read Data.
    if (nSize > xOle2Presentation->remainingSize())
        return false;
 
    if (nSize <= 64)
    {
        SAL_WARN("sw.html",
                 "ParseOLE2Presentation: ignoring potentially broken small preview: size is "
                     << nSize);
        return false;
    }
 
    std::vector<char> aBuffer(nSize);
    xOle2Presentation->ReadBytes(aBuffer.data(), aBuffer.size());
    rPresentationData.WriteBytes(aBuffer.data(), aBuffer.size());
 
    return true;
}
 
OString InsertOLE1HeaderFromOle10NativeStream(const tools::SvRef<SotStorage>& xStorage,
                                              SwOLENode& rOLENode, SvStream& rOle1)
{
    tools::SvRef<SotStorageStream> xOle1Stream
        = xStorage->OpenSotStream("\1Ole10Native", StreamMode::STD_READ);
    sal_uInt32 nOle1Size = 0;
    xOle1Stream->ReadUInt32(nOle1Size);
 
    OString aClassName;
    if (xStorage->GetClassName() == SvGlobalName(0x0003000A, 0, 0, 0xc0, 0, 0, 0, 0, 0, 0, 0x46))
    {
        aClassName = "PBrush";
    }
    else
    {
        if (xStorage->GetClassName()
            != SvGlobalName(0x0003000C, 0, 0, 0xc0, 0, 0, 0, 0, 0, 0, 0x46))
        {
            SAL_WARN("sw.html", "InsertOLE1HeaderFromOle10NativeStream: unexpected class id: "
                                    << xStorage->GetClassName().GetHexName());
        }
        aClassName = "Package";
    }
 
    // Write ObjectHeader, see [MS-OLEDS] 2.2.4.
    rOle1.Seek(0);
    // OLEVersion.
    rOle1.WriteUInt32(0x00000501);
 
    // FormatID is EmbeddedObject.
    rOle1.WriteUInt32(0x00000002);
 
    // ClassName
    rOle1.WriteUInt32(aClassName.isEmpty() ? 0 : aClassName.getLength() + 1);
    if (!aClassName.isEmpty())
    {
        rOle1.WriteOString(aClassName);
        // Null terminated pascal string.
        rOle1.WriteChar(0);
    }
 
    // TopicName.
    rOle1.WriteUInt32(0);
 
    // ItemName.
    rOle1.WriteUInt32(0);
 
    // NativeDataSize
    rOle1.WriteUInt32(nOle1Size);
 
    // Write the actual native data.
    rOle1.WriteStream(*xOle1Stream, nOle1Size);
 
    // Write Presentation.
    if (!rOLENode.GetGraphic())
    {
        return aClassName;
    }
 
    const Graphic& rGraphic = *rOLENode.GetGraphic();
    Size aSize = rOLENode.GetTwipSize();
    SvMemoryStream aGraphicStream;
    if (GraphicConverter::Export(aGraphicStream, rGraphic, ConvertDataFormat::WMF) != ERRCODE_NONE)
    {
        return aClassName;
    }
 
    auto pGraphicAry = static_cast<const sal_uInt8*>(aGraphicStream.GetData());
    sal_uInt64 nPresentationData = aGraphicStream.TellEnd();
    msfilter::rtfutil::StripMetafileHeader(pGraphicAry, nPresentationData);
 
    // OLEVersion.
    rOle1.WriteUInt32(0x00000501);
    // FormatID: constant means the ClassName field is present.
    rOle1.WriteUInt32(0x00000005);
    // ClassName: null terminated pascal string.
    OString aPresentationClassName("METAFILEPICT");
    rOle1.WriteUInt32(aPresentationClassName.getLength() + 1);
    rOle1.WriteOString(aPresentationClassName);
    rOle1.WriteChar(0);
    // Width.
    rOle1.WriteUInt32(aSize.getWidth());
    // Height.
    rOle1.WriteUInt32(aSize.getHeight() * -1);
    // PresentationDataSize
    rOle1.WriteUInt32(8 + nPresentationData);
    // Reserved1-4.
    rOle1.WriteUInt16(0x0008);
    rOle1.WriteUInt16(0x31b1);
    rOle1.WriteUInt16(0x1dd9);
    rOle1.WriteUInt16(0x0000);
    rOle1.WriteBytes(pGraphicAry, nPresentationData);
 
    return aClassName;
}
 
OString InsertOLE1Header(SvStream& rOle2, SvStream& rOle1, sal_uInt32& nWidth, sal_uInt32& nHeight,
                         SwOLENode& rOLENode, const sal_uInt8* pPresentationData,
                         sal_uInt64 nPresentationData)
{
    rOle2.Seek(0);
    tools::SvRef<SotStorage> xStorage(new SotStorage(rOle2));
    if (xStorage->GetError() != ERRCODE_NONE)
        return {};
 
    if (xStorage->IsStream("\1Ole10Native"))
    {
        return InsertOLE1HeaderFromOle10NativeStream(xStorage, rOLENode, rOle1);
    }
 
    OString aClassName = ExtractOLEClassName(xStorage);
 
    // Write ObjectHeader, see [MS-OLEDS] 2.2.4.
    rOle1.Seek(0);
    // OLEVersion.
    rOle1.WriteUInt32(0x00000501);
 
    // FormatID is EmbeddedObject.
    rOle1.WriteUInt32(0x00000002);
 
    // ClassName
    rOle1.WriteUInt32(aClassName.isEmpty() ? 0 : aClassName.getLength() + 1);
    if (!aClassName.isEmpty())
    {
        rOle1.WriteOString(aClassName);
        // Null terminated pascal string.
        rOle1.WriteChar(0);
    }
 
    // TopicName.
    rOle1.WriteUInt32(0);
 
    // ItemName.
    rOle1.WriteUInt32(0);
 
    // NativeDataSize
    rOle1.WriteUInt32(rOle2.TellEnd());
 
    // Write the actual native data.
    rOle2.Seek(0);
    rOle1.WriteStream(rOle2);
 
    // Write Presentation.
    SvMemoryStream aPresentationData;
    // OLEVersion.
    rOle1.WriteUInt32(0x00000501);
    // FormatID: constant means the ClassName field is present.
    rOle1.WriteUInt32(0x00000005);
    // ClassName: null terminated pascal string.
    OString aPresentationClassName("METAFILEPICT");
    rOle1.WriteUInt32(aPresentationClassName.getLength() + 1);
    rOle1.WriteOString(aPresentationClassName);
    rOle1.WriteChar(0);
    const sal_uInt8* pBytes = nullptr;
    sal_uInt64 nBytes = 0;
    if (ParseOLE2Presentation(rOle2, nWidth, nHeight, aPresentationData))
    {
        // Take presentation data for OLE1 from OLE2.
        pBytes = static_cast<const sal_uInt8*>(aPresentationData.GetData());
        nBytes = aPresentationData.Tell();
    }
    else
    {
        // Take presentation data for OLE1 from RTF.
        pBytes = pPresentationData;
        nBytes = nPresentationData;
    }
    // Width.
    rOle1.WriteUInt32(nWidth);
    // Height.
    rOle1.WriteUInt32(nHeight * -1);
    // PresentationDataSize: size of (reserved fields + pBytes).
    rOle1.WriteUInt32(8 + nBytes);
    // Reserved1-4.
    rOle1.WriteUInt16(0x0008);
    rOle1.WriteUInt16(0x31b1);
    rOle1.WriteUInt16(0x1dd9);
    rOle1.WriteUInt16(0x0000);
    rOle1.WriteBytes(pBytes, nBytes);
 
    return aClassName;
}
 
void WrapOleGraphicInRtf(SvStream& rRtf, sal_uInt32 nWidth, sal_uInt32 nHeight,
                         const sal_uInt8* pPresentationData, sal_uInt64 nPresentationData)
{
    // Start result.
    rRtf.WriteCharPtr("{" OOO_STRING_SVTOOLS_RTF_RESULT);
 
    // Start pict.
    rRtf.WriteCharPtr("{" OOO_STRING_SVTOOLS_RTF_PICT);
 
    rRtf.WriteCharPtr(OOO_STRING_SVTOOLS_RTF_WMETAFILE "8");
    rRtf.WriteCharPtr(OOO_STRING_SVTOOLS_RTF_PICW);
    rRtf.WriteOString(OString::number(nWidth));
    rRtf.WriteCharPtr(OOO_STRING_SVTOOLS_RTF_PICH);
    rRtf.WriteOString(OString::number(nHeight));
    rRtf.WriteCharPtr(OOO_STRING_SVTOOLS_RTF_PICWGOAL);
    rRtf.WriteOString(OString::number(nWidth));
    rRtf.WriteCharPtr(OOO_STRING_SVTOOLS_RTF_PICHGOAL);
    rRtf.WriteOString(OString::number(nHeight));
    if (pPresentationData)
    {
        rRtf.WriteCharPtr(SAL_NEWLINE_STRING);
        msfilter::rtfutil::WriteHex(pPresentationData, nPresentationData, &rRtf);
    }
 
    // End pict.
    rRtf.WriteCharPtr("}");
 
    // End result.
    rRtf.WriteCharPtr("}");
}
}
 
namespace SwReqIfReader
{
bool ExtractOleFromRtf(SvStream& rRtf, SvStream& rOle, bool& bOwnFormat)
{
    // Add missing header/footer.
    SvMemoryStream aRtf;
    aRtf.WriteOString("{\\rtf1");
    aRtf.WriteStream(rRtf);
    aRtf.WriteOString("}");
    aRtf.Seek(0);
 
    // Read the RTF markup.
    tools::SvRef<ReqIfRtfReader> xReader(new ReqIfRtfReader(aRtf));
    SvParserState eState = xReader->CallParser();
    if (eState == SvParserState::Error)
        return false;
 
    // Write the OLE2 data.
    if (!xReader->WriteObjectData(rOle))
        return false;
 
    tools::SvRef<SotStorage> pStorage = new SotStorage(rOle);
    OUString aFilterName = SvxMSDffManager::GetFilterNameFromClassID(pStorage->GetClassName());
    bOwnFormat = !aFilterName.isEmpty();
    if (!bOwnFormat)
    {
        // Real OLE2 data, we're done.
        rOle.Seek(0);
        return true;
    }
 
    // ODF-in-OLE2 case, extract actual data.
    SvMemoryStream aMemory;
    SvxMSDffManager::ExtractOwnStream(*pStorage, aMemory);
    rOle.Seek(0);
    aMemory.Seek(0);
    rOle.WriteStream(aMemory);
    // Stream length is current position + 1.
    rOle.SetStreamSize(aMemory.GetSize() + 1);
    rOle.Seek(0);
    return true;
}
 
bool WrapOleInRtf(SvStream& rOle2, SvStream& rRtf, SwOLENode& rOLENode,
                  const SwFrameFormat& rFormat)
{
    sal_uInt64 nPos = rOle2.Tell();
    comphelper::ScopeGuard g([&rOle2, nPos] { rOle2.Seek(nPos); });
 
    // Write OLE1 header, then the RTF wrapper.
    SvMemoryStream aOLE1;
 
    // Prepare presentation data early, so it's available to both OLE1 and RTF.
    Size aSize = rFormat.GetFrameSize().GetSize();
    sal_uInt32 nWidth = aSize.getWidth();
    sal_uInt32 nHeight = aSize.getHeight();
    const Graphic* pGraphic = rOLENode.GetGraphic();
    const sal_uInt8* pPresentationData = nullptr;
    sal_uInt64 nPresentationData = 0;
    SvMemoryStream aGraphicStream;
    if (pGraphic)
    {
        uno::Sequence<beans::PropertyValue> aFilterData
            = { comphelper::makePropertyValue("EmbedEMF", false) };
        FilterConfigItem aConfigItem(&aFilterData);
        if (ConvertGraphicToWMF(*pGraphic, aGraphicStream, &aConfigItem))
        {
            pPresentationData = static_cast<const sal_uInt8*>(aGraphicStream.GetData());
            nPresentationData = aGraphicStream.TellEnd();
            msfilter::rtfutil::StripMetafileHeader(pPresentationData, nPresentationData);
        }
    }
    OString aClassName = InsertOLE1Header(rOle2, aOLE1, nWidth, nHeight, rOLENode,
                                          pPresentationData, nPresentationData);
 
    // Start object.
    rRtf.WriteCharPtr("{" OOO_STRING_SVTOOLS_RTF_OBJECT);
    rRtf.WriteCharPtr(OOO_STRING_SVTOOLS_RTF_OBJEMB);
 
    // Start objclass.
    rRtf.WriteCharPtr("{" OOO_STRING_SVTOOLS_RTF_IGNORE OOO_STRING_SVTOOLS_RTF_OBJCLASS " ");
    rRtf.WriteOString(aClassName);
    // End objclass.
    rRtf.WriteCharPtr("}");
 
    // Object size.
    rRtf.WriteCharPtr(OOO_STRING_SVTOOLS_RTF_OBJW);
    rRtf.WriteOString(OString::number(nWidth));
    rRtf.WriteCharPtr(OOO_STRING_SVTOOLS_RTF_OBJH);
    rRtf.WriteOString(OString::number(nHeight));
 
    // Start objdata.
    rRtf.WriteCharPtr(
        "{" OOO_STRING_SVTOOLS_RTF_IGNORE OOO_STRING_SVTOOLS_RTF_OBJDATA SAL_NEWLINE_STRING);
    msfilter::rtfutil::WriteHex(static_cast<const sal_uInt8*>(aOLE1.GetData()), aOLE1.GetSize(),
                                &rRtf);
    // End objdata.
    rRtf.WriteCharPtr("}");
 
    if (pPresentationData)
    {
        WrapOleGraphicInRtf(rRtf, nWidth, nHeight, pPresentationData, nPresentationData);
    }
 
    // End object.
    rRtf.WriteCharPtr("}");
 
    return true;
}
 
bool WrapGraphicInRtf(const Graphic& rGraphic, const SwFrameFormat& rFormat, SvStream& rRtf)
{
    // Start object.
    rRtf.WriteCharPtr("{" OOO_STRING_SVTOOLS_RTF_OBJECT);
    rRtf.WriteCharPtr(OOO_STRING_SVTOOLS_RTF_OBJEMB);
 
    // Object size: as used in the document model (not pixel size)
    Size aSize = rFormat.GetFrameSize().GetSize();
    sal_uInt32 nWidth = aSize.getWidth();
    sal_uInt32 nHeight = aSize.getHeight();
    rRtf.WriteCharPtr(OOO_STRING_SVTOOLS_RTF_OBJW);
    rRtf.WriteOString(OString::number(nWidth));
    rRtf.WriteCharPtr(OOO_STRING_SVTOOLS_RTF_OBJH);
    rRtf.WriteOString(OString::number(nHeight));
    rRtf.WriteOString(SAL_NEWLINE_STRING);
 
    // Start objclass.
    rRtf.WriteCharPtr("{" OOO_STRING_SVTOOLS_RTF_IGNORE OOO_STRING_SVTOOLS_RTF_OBJCLASS " ");
    OString aClassName("PBrush");
    rRtf.WriteOString(aClassName);
    // End objclass.
    rRtf.WriteCharPtr("}");
    rRtf.WriteOString(SAL_NEWLINE_STRING);
 
    // Start objdata.
    rRtf.WriteCharPtr("{" OOO_STRING_SVTOOLS_RTF_IGNORE OOO_STRING_SVTOOLS_RTF_OBJDATA " ");
 
    SvMemoryStream aOle1;
    // Write ObjectHeader, see [MS-OLEDS] 2.2.4.
    // OLEVersion.
    aOle1.WriteUInt32(0x00000501);
 
    // FormatID is EmbeddedObject.
    aOle1.WriteUInt32(0x00000002);
 
    // ClassName
    aOle1.WriteUInt32(aClassName.getLength() + 1);
    aOle1.WriteOString(aClassName);
    // Null terminated pascal string.
    aOle1.WriteChar(0);
 
    // TopicName.
    aOle1.WriteUInt32(0);
 
    // ItemName.
    aOle1.WriteUInt32(0);
 
    // NativeDataSize
    SvMemoryStream aNativeData;
 
    // Set white background for the semi-transparent pixels.
    BitmapEx aBitmapEx = rGraphic.GetBitmapEx();
    Bitmap aBitmap = aBitmapEx.GetBitmap(/*aTransparentReplaceColor=*/COL_WHITE);
 
    if (aBitmap.getPixelFormat() != vcl::PixelFormat::N24_BPP)
    {
        // More exotic pixel formats cause trouble for ms paint.
        aBitmap.Convert(BmpConversion::N24Bit);
    }
 
    if (GraphicConverter::Export(aNativeData, BitmapEx(aBitmap), ConvertDataFormat::BMP)
        != ERRCODE_NONE)
    {
        SAL_WARN("sw.html", "WrapGraphicInRtf: bmp conversion failed");
    }
    aOle1.WriteUInt32(aNativeData.TellEnd());
 
    // Write the actual native data.
    aNativeData.Seek(0);
    aOle1.WriteStream(aNativeData);
 
    // Prepare presentation data.
    const sal_uInt8* pPresentationData = nullptr;
    sal_uInt64 nPresentationData = 0;
    SvMemoryStream aGraphicStream;
    uno::Sequence<beans::PropertyValue> aFilterData
        = { comphelper::makePropertyValue("EmbedEMF", false) };
    FilterConfigItem aConfigItem(&aFilterData);
    if (ConvertGraphicToWMF(rGraphic, aGraphicStream, &aConfigItem))
    {
        pPresentationData = static_cast<const sal_uInt8*>(aGraphicStream.GetData());
        nPresentationData = aGraphicStream.TellEnd();
        msfilter::rtfutil::StripMetafileHeader(pPresentationData, nPresentationData);
    }
 
    // Write Presentation.
    // OLEVersion.
    aOle1.WriteUInt32(0x00000501);
    // FormatID: constant means the ClassName field is present.
    aOle1.WriteUInt32(0x00000005);
    // ClassName: null terminated pascal string.
    OString aPresentationClassName("METAFILEPICT");
    aOle1.WriteUInt32(aPresentationClassName.getLength() + 1);
    aOle1.WriteOString(aPresentationClassName);
    aOle1.WriteChar(0);
    const sal_uInt8* pBytes = nullptr;
    sal_uInt64 nBytes = 0;
    // Take presentation data for OLE1 from RTF.
    pBytes = pPresentationData;
    nBytes = nPresentationData;
    // Width.
    aOle1.WriteUInt32(nWidth);
    // Height.
    aOle1.WriteUInt32(nHeight * -1);
    // PresentationDataSize: size of (reserved fields + pBytes).
    aOle1.WriteUInt32(8 + nBytes);
    // Reserved1-4.
    aOle1.WriteUInt16(0x0008);
    aOle1.WriteUInt16(0x31b1);
    aOle1.WriteUInt16(0x1dd9);
    aOle1.WriteUInt16(0x0000);
    aOle1.WriteBytes(pBytes, nBytes);
 
    // End objdata.
    msfilter::rtfutil::WriteHex(static_cast<const sal_uInt8*>(aOle1.GetData()), aOle1.GetSize(),
                                &rRtf);
    rRtf.WriteCharPtr("}");
    rRtf.WriteOString(SAL_NEWLINE_STRING);
 
    rRtf.WriteCharPtr("{" OOO_STRING_SVTOOLS_RTF_RESULT);
    rRtf.WriteCharPtr("{" OOO_STRING_SVTOOLS_RTF_PICT);
 
    Size aMapped(rGraphic.GetPrefSize());
    rRtf.WriteCharPtr(OOO_STRING_SVTOOLS_RTF_PICW);
    rRtf.WriteOString(OString::number(aMapped.Width()));
    rRtf.WriteCharPtr(OOO_STRING_SVTOOLS_RTF_PICH);
    rRtf.WriteOString(OString::number(aMapped.Height()));
 
    rRtf.WriteCharPtr(OOO_STRING_SVTOOLS_RTF_PICWGOAL);
    rRtf.WriteOString(OString::number(nWidth));
    rRtf.WriteCharPtr(OOO_STRING_SVTOOLS_RTF_PICHGOAL);
    rRtf.WriteOString(OString::number(nHeight));
    rRtf.WriteCharPtr(OOO_STRING_SVTOOLS_RTF_WMETAFILE "8");
    rRtf.WriteOString(SAL_NEWLINE_STRING);
 
    if (pPresentationData)
    {
        msfilter::rtfutil::WriteHex(pPresentationData, nPresentationData, &rRtf);
        rRtf.WriteOString(SAL_NEWLINE_STRING);
    }
 
    // End pict.
    rRtf.WriteCharPtr("}");
 
    // End result.
    rRtf.WriteCharPtr("}");
 
    // End object.
    rRtf.WriteCharPtr("}");
    return true;
}
}
 
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