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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /xmloff/source/style/XMLFontAutoStylePool.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'xmloff/source/style/XMLFontAutoStylePool.cxx')
-rw-r--r--xmloff/source/style/XMLFontAutoStylePool.cxx680
1 files changed, 680 insertions, 0 deletions
diff --git a/xmloff/source/style/XMLFontAutoStylePool.cxx b/xmloff/source/style/XMLFontAutoStylePool.cxx
new file mode 100644
index 000000000..543b3670f
--- /dev/null
+++ b/xmloff/source/style/XMLFontAutoStylePool.cxx
@@ -0,0 +1,680 @@
+/* -*- 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 <o3tl/sorted_vector.hxx>
+#include <tools/fontenum.hxx>
+#include <xmloff/xmlnamespace.hxx>
+#include <xmloff/xmltoken.hxx>
+#include <xmloff/xmluconv.hxx>
+#include "fonthdl.hxx"
+#include <xmloff/xmlexp.hxx>
+#include <xmloff/XMLFontAutoStylePool.hxx>
+#include <vcl/embeddedfontshelper.hxx>
+#include <osl/file.hxx>
+#include <sal/log.hxx>
+#include <tools/diagnose_ex.h>
+
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/embed/ElementModes.hpp>
+#include <com/sun/star/embed/XTransactedObject.hpp>
+#include <com/sun/star/embed/XStorage.hpp>
+#include <com/sun/star/frame/XModel.hpp>
+#include <com/sun/star/ucb/SimpleFileAccess.hpp>
+#include <com/sun/star/style/XStyleFamiliesSupplier.hpp>
+#include <com/sun/star/style/XStyle.hpp>
+#include <com/sun/star/container/XNameAccess.hpp>
+
+#include <XMLBase64Export.hxx>
+#include <AutoStyleEntry.hxx>
+#include <comphelper/hash.hxx>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::xmloff::token;
+
+namespace {
+
+class XMLFontAutoStylePoolEntry_Impl
+{
+ OUString sName;
+ OUString sFamilyName;
+ OUString sStyleName;
+ FontFamily nFamily;
+ FontPitch nPitch;
+ rtl_TextEncoding eEnc;
+
+public:
+
+ inline XMLFontAutoStylePoolEntry_Impl(
+ const OUString& rName,
+ const OUString& rFamilyName,
+ const OUString& rStyleName,
+ FontFamily nFamily,
+ FontPitch nPitch,
+ rtl_TextEncoding eEnc );
+
+ inline XMLFontAutoStylePoolEntry_Impl(
+ const OUString& rFamilyName,
+ const OUString& rStyleName,
+ FontFamily nFamily,
+ FontPitch nPitch,
+ rtl_TextEncoding eEnc );
+
+ const OUString& GetName() const { return sName; }
+ const OUString& GetFamilyName() const { return sFamilyName; }
+ const OUString& GetStyleName() const { return sStyleName; }
+ FontFamily GetFamily() const { return nFamily; }
+ FontPitch GetPitch() const { return nPitch; }
+ rtl_TextEncoding GetEncoding() const { return eEnc; }
+};
+
+}
+
+inline XMLFontAutoStylePoolEntry_Impl::XMLFontAutoStylePoolEntry_Impl(
+ const OUString& rName,
+ const OUString& rFamilyName,
+ const OUString& rStyleName,
+ FontFamily nFam,
+ FontPitch nP,
+ rtl_TextEncoding eE ) :
+ sName( rName ),
+ sFamilyName( rFamilyName ),
+ sStyleName( rStyleName ),
+ nFamily( nFam ),
+ nPitch( nP ),
+ eEnc( eE )
+{
+}
+
+inline XMLFontAutoStylePoolEntry_Impl::XMLFontAutoStylePoolEntry_Impl(
+ const OUString& rFamilyName,
+ const OUString& rStyleName,
+ FontFamily nFam,
+ FontPitch nP,
+ rtl_TextEncoding eE ) :
+ sFamilyName( rFamilyName ),
+ sStyleName( rStyleName ),
+ nFamily( nFam ),
+ nPitch( nP ),
+ eEnc( eE )
+{
+}
+
+namespace {
+
+struct XMLFontAutoStylePoolEntryCmp_Impl {
+ bool operator()(
+ std::unique_ptr<XMLFontAutoStylePoolEntry_Impl> const& r1,
+ std::unique_ptr<XMLFontAutoStylePoolEntry_Impl> const& r2 ) const
+ {
+ bool bEnc1(r1->GetEncoding() != RTL_TEXTENCODING_SYMBOL);
+ bool bEnc2(r2->GetEncoding() != RTL_TEXTENCODING_SYMBOL);
+ if( bEnc1 != bEnc2 )
+ return bEnc1 < bEnc2;
+ else if( r1->GetPitch() != r2->GetPitch() )
+ return r1->GetPitch() < r2->GetPitch();
+ else if( r1->GetFamily() != r2->GetFamily() )
+ return r1->GetFamily() < r2->GetFamily();
+ else
+ {
+ sal_Int32 nCmp = r1->GetFamilyName().compareTo( r2->GetFamilyName() );
+ if( 0 == nCmp )
+ return r1->GetStyleName().compareTo( r2->GetStyleName() ) < 0;
+ else
+ return nCmp < 0;
+ }
+ }
+};
+
+}
+
+class XMLFontAutoStylePool_Impl : public o3tl::sorted_vector<std::unique_ptr<XMLFontAutoStylePoolEntry_Impl>, XMLFontAutoStylePoolEntryCmp_Impl>
+{
+};
+
+XMLFontAutoStylePool::XMLFontAutoStylePool(SvXMLExport& rExp, bool bTryToEmbedFonts) :
+ rExport( rExp ),
+ m_pFontAutoStylePool( new XMLFontAutoStylePool_Impl ),
+ m_bTryToEmbedFonts( bTryToEmbedFonts ),
+ m_bEmbedUsedOnly(false),
+ m_bEmbedLatinScript(true),
+ m_bEmbedAsianScript(true),
+ m_bEmbedComplexScript(true)
+{
+}
+
+XMLFontAutoStylePool::~XMLFontAutoStylePool()
+{
+}
+
+OUString XMLFontAutoStylePool::Add(
+ const OUString& rFamilyName,
+ const OUString& rStyleName,
+ FontFamily nFamily,
+ FontPitch nPitch,
+ rtl_TextEncoding eEnc )
+{
+ OUString sPoolName;
+ XMLFontAutoStylePoolEntry_Impl aTmp( rFamilyName, rStyleName, nFamily,
+ nPitch, eEnc );
+ XMLFontAutoStylePool_Impl::const_iterator it = m_pFontAutoStylePool->find( &aTmp );
+ if( it != m_pFontAutoStylePool->end() )
+ {
+ sPoolName = (*it)->GetName();
+ }
+ else
+ {
+ OUString sName;
+ sal_Int32 nLen = rFamilyName.indexOf( ';' );
+ if( -1 == nLen )
+ {
+ sName = rFamilyName;
+ }
+ else if( nLen > 0 )
+ {
+ sName = rFamilyName.copy( 0, nLen );
+ sName = sName.trim();
+ }
+
+ if( sName.isEmpty() )
+ sName = "F";
+
+ if( m_aNames.find(sName) != m_aNames.end() )
+ {
+ sal_Int32 nCount = 1;
+ OUString sPrefix( sName );
+ sName = sPrefix + OUString::number( nCount );
+ while( m_aNames.find(sName) != m_aNames.end() )
+ {
+ sName = sPrefix + OUString::number( ++nCount );
+ }
+ }
+
+ std::unique_ptr<XMLFontAutoStylePoolEntry_Impl> pEntry(
+ new XMLFontAutoStylePoolEntry_Impl( sName, rFamilyName, rStyleName,
+ nFamily, nPitch, eEnc ));
+ m_pFontAutoStylePool->insert( std::move(pEntry) );
+ m_aNames.insert(sName);
+ }
+
+ return sPoolName;
+}
+
+OUString XMLFontAutoStylePool::Find(
+ const OUString& rFamilyName,
+ const OUString& rStyleName,
+ FontFamily nFamily,
+ FontPitch nPitch,
+ rtl_TextEncoding eEnc ) const
+{
+ OUString sName;
+ XMLFontAutoStylePoolEntry_Impl aTmp( rFamilyName, rStyleName, nFamily,
+ nPitch, eEnc );
+ XMLFontAutoStylePool_Impl::const_iterator it = m_pFontAutoStylePool->find( &aTmp );
+ if( it != m_pFontAutoStylePool->end() )
+ {
+ sName = (*it)->GetName();
+ }
+
+ return sName;
+}
+
+namespace
+{
+
+OUString lcl_checkFontFile( const OUString &fileUrl )
+{
+ osl::DirectoryItem aDirItem;
+ if( osl::DirectoryItem::get( fileUrl, aDirItem ) == osl::File::E_None )
+ {
+ osl::FileStatus aStatus( osl_FileStatus_Mask_Type );
+ if( aDirItem.getFileStatus( aStatus ) == osl::File::E_None )
+ {
+ if( !aStatus.isDirectory() )
+ return fileUrl;
+ }
+ }
+ return OUString();
+}
+
+/// Contains information about a single variant of an embedded font.
+struct EmbeddedFontInfo
+{
+ OUString aURL;
+ FontWeight eWeight = WEIGHT_NORMAL;
+ FontItalic eItalic = ITALIC_NONE;
+};
+
+/// Converts FontWeight to CSS-compatible string representation.
+OUString FontWeightToString(FontWeight eWeight)
+{
+ OUString aRet;
+
+ switch (eWeight)
+ {
+ case WEIGHT_BOLD:
+ aRet = "bold";
+ break;
+ default:
+ aRet = "normal";
+ break;
+ }
+
+ return aRet;
+}
+
+/// Converts FontItalic to CSS-compatible string representation.
+OUString FontItalicToString(FontItalic eWeight)
+{
+ OUString aRet;
+
+ switch (eWeight)
+ {
+ case ITALIC_NORMAL:
+ aRet = "italic";
+ break;
+ default:
+ aRet = "normal";
+ break;
+ }
+
+ return aRet;
+}
+
+}
+
+std::unordered_set<OUString> XMLFontAutoStylePool::getUsedFontList()
+{
+ std::unordered_set<OUString> aReturnSet;
+
+ uno::Reference<style::XStyleFamiliesSupplier> xFamiliesSupp(GetExport().GetModel(), UNO_QUERY);
+ if (!xFamiliesSupp.is())
+ return aReturnSet;
+
+ // Check styles first
+ uno::Reference<container::XNameAccess> xFamilies(xFamiliesSupp->getStyleFamilies());
+ if (xFamilies.is())
+ {
+ const uno::Sequence<OUString> aFamilyNames = xFamilies->getElementNames();
+ for (OUString const & sFamilyName : aFamilyNames)
+ {
+ uno::Reference<container::XNameAccess> xStyleContainer;
+ xFamilies->getByName(sFamilyName) >>= xStyleContainer;
+
+ if (xStyleContainer.is())
+ {
+ const uno::Sequence<OUString> aStyleNames = xStyleContainer->getElementNames();
+ for (OUString const & rName : aStyleNames)
+ {
+ uno::Reference<style::XStyle> xStyle;
+ xStyleContainer->getByName(rName) >>= xStyle;
+ if (xStyle->isInUse())
+ {
+ uno::Reference<beans::XPropertySet> xPropertySet(xStyle, UNO_QUERY);
+ if (xPropertySet.is())
+ {
+ uno::Reference<beans::XPropertySetInfo> xInfo(xPropertySet->getPropertySetInfo());
+ if (m_bEmbedLatinScript && xInfo->hasPropertyByName("CharFontName"))
+ {
+ OUString sCharFontName;
+ Any aFontAny = xPropertySet->getPropertyValue("CharFontName");
+ aFontAny >>= sCharFontName;
+ if (!sCharFontName.isEmpty())
+ aReturnSet.insert(sCharFontName);
+ }
+ if (m_bEmbedAsianScript && xInfo->hasPropertyByName("CharFontNameAsian"))
+ {
+ OUString sCharFontNameAsian;
+ Any aFontAny = xPropertySet->getPropertyValue("CharFontNameAsian");
+ aFontAny >>= sCharFontNameAsian;
+ if (!sCharFontNameAsian.isEmpty())
+ aReturnSet.insert(sCharFontNameAsian);
+ }
+ if (m_bEmbedComplexScript && xInfo->hasPropertyByName("CharFontNameComplex"))
+ {
+ OUString sCharFontNameComplex;
+ Any aFontAny = xPropertySet->getPropertyValue("CharFontNameComplex");
+ aFontAny >>= sCharFontNameComplex;
+ if (!sCharFontNameComplex.isEmpty())
+ aReturnSet.insert(sCharFontNameComplex);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+
+ // make sure auto-styles are collected
+ GetExport().collectAutoStyles();
+
+ // Check auto-styles for fonts
+ std::vector<xmloff::AutoStyleEntry> aAutoStyleEntries = GetExport().GetAutoStylePool()->GetAutoStyleEntries();
+ for (auto const & rAutoStyleEntry : aAutoStyleEntries)
+ {
+ for (auto const & rPair : rAutoStyleEntry.m_aXmlProperties)
+ {
+ if (rPair.first == "font-name" ||
+ rPair.first == "font-weight-asian" ||
+ rPair.first == "font-weight-complex")
+ {
+ if (rPair.second.has<OUString>())
+ {
+ OUString sFontName = rPair.second.get<OUString>();
+ if (!sFontName.isEmpty())
+ aReturnSet.insert(sFontName);
+ }
+ }
+ }
+ }
+
+ return aReturnSet;
+}
+
+void XMLFontAutoStylePool::exportXML()
+{
+ SvXMLElementExport aElem(GetExport(), XML_NAMESPACE_OFFICE,
+ XML_FONT_FACE_DECLS,
+ true, true);
+ Any aAny;
+ OUString sTmp;
+ XMLFontFamilyNamePropHdl aFamilyNameHdl;
+ XMLFontFamilyPropHdl aFamilyHdl;
+ XMLFontPitchPropHdl aPitchHdl;
+ XMLFontEncodingPropHdl aEncHdl;
+ const SvXMLUnitConverter& rUnitConv = GetExport().GetMM100UnitConverter();
+
+ std::map<OUString, OUString> fontFilesMap; // our url to document url
+
+ std::unordered_set<OUString> aUsedFontNames;
+ if (m_bEmbedUsedOnly)
+ aUsedFontNames = getUsedFontList();
+
+ // Sort <style:font-face> elements based on their style:name attribute.
+ std::vector<XMLFontAutoStylePoolEntry_Impl*> aFontAutoStyles;
+ for (const auto& pEntry : *m_pFontAutoStylePool)
+ {
+ aFontAutoStyles.push_back(pEntry.get());
+ }
+ std::sort(
+ aFontAutoStyles.begin(), aFontAutoStyles.end(),
+ [](const XMLFontAutoStylePoolEntry_Impl* pA, XMLFontAutoStylePoolEntry_Impl* pB) -> bool {
+ return pA->GetName() < pB->GetName();
+ });
+
+ for (const auto& pEntry : aFontAutoStyles)
+ {
+ GetExport().AddAttribute(XML_NAMESPACE_STYLE, XML_NAME, pEntry->GetName());
+
+ aAny <<= pEntry->GetFamilyName();
+ if (aFamilyNameHdl.exportXML(sTmp, aAny, rUnitConv))
+ GetExport().AddAttribute(XML_NAMESPACE_SVG,
+ XML_FONT_FAMILY, sTmp);
+
+ const OUString& rStyleName = pEntry->GetStyleName();
+ if (!rStyleName.isEmpty())
+ GetExport().AddAttribute(XML_NAMESPACE_STYLE,
+ XML_FONT_ADORNMENTS,
+ rStyleName);
+
+ aAny <<= static_cast<sal_Int16>(pEntry->GetFamily());
+ if (aFamilyHdl.exportXML(sTmp, aAny, rUnitConv))
+ {
+ GetExport().AddAttribute(XML_NAMESPACE_STYLE,
+ XML_FONT_FAMILY_GENERIC, sTmp);
+ }
+ aAny <<= static_cast<sal_Int16>(pEntry->GetPitch());
+ if (aPitchHdl.exportXML(sTmp, aAny, rUnitConv))
+ {
+ GetExport().AddAttribute(XML_NAMESPACE_STYLE,
+ XML_FONT_PITCH, sTmp);
+ }
+
+ aAny <<= static_cast<sal_Int16>(pEntry->GetEncoding());
+ if (aEncHdl.exportXML( sTmp, aAny, rUnitConv))
+ {
+ GetExport().AddAttribute(XML_NAMESPACE_STYLE,
+ XML_FONT_CHARSET, sTmp);
+ }
+
+ SvXMLElementExport aElement(GetExport(), XML_NAMESPACE_STYLE,
+ XML_FONT_FACE, true, true);
+
+ if (m_bTryToEmbedFonts)
+ {
+ const bool bExportFlat(GetExport().getExportFlags() & SvXMLExportFlags::EMBEDDED);
+ std::vector<EmbeddedFontInfo> aEmbeddedFonts;
+ static const std::vector<std::pair<FontWeight, FontItalic>> aCombinations =
+ {
+ { WEIGHT_NORMAL, ITALIC_NONE },
+ { WEIGHT_BOLD, ITALIC_NONE },
+ { WEIGHT_NORMAL, ITALIC_NORMAL },
+ { WEIGHT_BOLD, ITALIC_NORMAL },
+ };
+
+ for (auto const & aCombinationPair : aCombinations)
+ {
+ // Embed font if at least viewing is allowed (in which case the opening app must check
+ // the font license rights too and open either read-only or not use the font for editing).
+ OUString sFileUrl = EmbeddedFontsHelper::fontFileUrl(
+ pEntry->GetFamilyName(), pEntry->GetFamily(),
+ aCombinationPair.second, aCombinationPair.first, pEntry->GetPitch(),
+ EmbeddedFontsHelper::FontRights::ViewingAllowed);
+ if (sFileUrl.isEmpty())
+ continue;
+
+ // When embedded only is not set or font is used
+ if (!m_bEmbedUsedOnly ||
+ aUsedFontNames.find(pEntry->GetFamilyName()) != aUsedFontNames.end())
+ {
+ if (!fontFilesMap.count(sFileUrl))
+ {
+ const OUString docUrl = bExportFlat ?
+ lcl_checkFontFile(sFileUrl) : embedFontFile(sFileUrl, pEntry->GetFamilyName());
+ if (!docUrl.isEmpty())
+ fontFilesMap[sFileUrl] = docUrl;
+ else
+ continue; // --> failed to embed
+ }
+ EmbeddedFontInfo aEmbeddedFont;
+ aEmbeddedFont.aURL = sFileUrl;
+ aEmbeddedFont.eWeight = aCombinationPair.first;
+ aEmbeddedFont.eItalic = aCombinationPair.second;
+ aEmbeddedFonts.push_back(aEmbeddedFont);
+ }
+ }
+ if (!aEmbeddedFonts.empty())
+ {
+ SvXMLElementExport fontFaceSrc(GetExport(), XML_NAMESPACE_SVG, XML_FONT_FACE_SRC, true, true);
+ for (EmbeddedFontInfo const & rEmbeddedFont : aEmbeddedFonts)
+ {
+ if (fontFilesMap.count(rEmbeddedFont.aURL))
+ {
+ if (!bExportFlat)
+ {
+ GetExport().AddAttribute(XML_NAMESPACE_XLINK, XML_HREF,
+ fontFilesMap[rEmbeddedFont.aURL]);
+ GetExport().AddAttribute(XML_NAMESPACE_XLINK, XML_TYPE, "simple");
+ }
+
+ // Help consumers of our output by telling them which
+ // font file is which one.
+ GetExport().AddAttribute(XML_NAMESPACE_LO_EXT, XML_FONT_STYLE,
+ FontItalicToString(rEmbeddedFont.eItalic));
+ GetExport().AddAttribute(XML_NAMESPACE_LO_EXT, XML_FONT_WEIGHT,
+ FontWeightToString(rEmbeddedFont.eWeight));
+
+ SvXMLElementExport fontFaceUri(GetExport(), XML_NAMESPACE_SVG,
+ XML_FONT_FACE_URI, true, true);
+
+ if (bExportFlat)
+ {
+ const uno::Reference<ucb::XSimpleFileAccess> xFileAccess(
+ ucb::SimpleFileAccess::create(GetExport().getComponentContext()));
+ try
+ {
+ const uno::Reference<io::XInputStream> xInput(xFileAccess->openFileRead(fontFilesMap[rEmbeddedFont.aURL]));
+ XMLBase64Export aBase64Exp(GetExport());
+ aBase64Exp.exportOfficeBinaryDataElement(xInput);
+ }
+ catch (const uno::Exception &)
+ {
+ // opening the file failed, ignore
+ }
+ }
+
+ GetExport().AddAttribute(XML_NAMESPACE_SVG, XML_STRING, "truetype");
+ SvXMLElementExport fontFaceFormat(GetExport(), XML_NAMESPACE_SVG,
+ XML_FONT_FACE_FORMAT, true, true);
+ }
+ }
+ }
+ }
+ }
+}
+
+static OUString getFreeFontName(uno::Reference<embed::XStorage> const & rxStorage, OUString const & rFamilyName)
+{
+ OUString sName;
+ int nIndex = 1;
+ do
+ {
+ sName = "Font_" +
+ rFamilyName.replaceAll(" ", "_") + "_" +
+ OUString::number(nIndex) + ".ttf";
+ nIndex++;
+ } while (rxStorage->hasByName(sName));
+
+ return sName;
+}
+
+static OString convertToHashString(std::vector<unsigned char> const & rHash)
+{
+ std::stringstream aStringStream;
+ for (auto const & rByte : rHash)
+ {
+ aStringStream << std::setw(2) << std::setfill('0') << std::hex << int(rByte);
+ }
+
+ return aStringStream.str().c_str();
+}
+
+static OString getFileHash(OUString const & rFileUrl)
+{
+ OString aHash;
+ osl::File aFile(rFileUrl);
+ if (aFile.open(osl_File_OpenFlag_Read) != osl::File::E_None)
+ return aHash;
+
+ comphelper::Hash aHashEngine(comphelper::HashType::SHA512);
+ for (;;)
+ {
+ sal_Int8 aBuffer[4096];
+ sal_uInt64 nReadSize;
+ sal_Bool bEof;
+ if (aFile.isEndOfFile(&bEof) != osl::File::E_None)
+ {
+ SAL_WARN("xmloff", "Error reading font file " << rFileUrl);
+ return aHash;
+ }
+ if (bEof)
+ break;
+ if (aFile.read(aBuffer, 4096, nReadSize) != osl::File::E_None)
+ {
+ SAL_WARN("xmloff", "Error reading font file " << rFileUrl);
+ return aHash;
+ }
+ if (nReadSize == 0)
+ break;
+ aHashEngine.update(reinterpret_cast<unsigned char*>(aBuffer), nReadSize);
+ }
+ return convertToHashString(aHashEngine.finalize());
+}
+
+OUString XMLFontAutoStylePool::embedFontFile(OUString const & fileUrl, OUString const & rFamilyName)
+{
+ try
+ {
+ OString sHashString = getFileHash(fileUrl);
+ if (m_aEmbeddedFontFiles.find(sHashString) != m_aEmbeddedFontFiles.end())
+ return m_aEmbeddedFontFiles.at(sHashString);
+
+ osl::File file( fileUrl );
+ if( file.open( osl_File_OpenFlag_Read ) != osl::File::E_None )
+ return OUString();
+
+ if ( !GetExport().GetTargetStorage().is() )
+ return OUString();
+
+ uno::Reference< embed::XStorage > storage;
+ storage.set( GetExport().GetTargetStorage()->openStorageElement( "Fonts",
+ ::embed::ElementModes::WRITE ), uno::UNO_SET_THROW );
+
+ OUString name = getFreeFontName(storage, rFamilyName);
+
+ uno::Reference< io::XOutputStream > outputStream;
+ outputStream.set( storage->openStreamElement( name, ::embed::ElementModes::WRITE ), UNO_QUERY_THROW );
+ uno::Reference < beans::XPropertySet > propertySet( outputStream, uno::UNO_QUERY );
+ assert( propertySet.is());
+ propertySet->setPropertyValue( "MediaType", uno::Any( OUString( "application/x-font-ttf" ))); // TODO
+ for(;;)
+ {
+ sal_Int8 buffer[ 4096 ];
+ sal_uInt64 readSize;
+ sal_Bool eof;
+ if( file.isEndOfFile( &eof ) != osl::File::E_None )
+ {
+ SAL_WARN( "xmloff", "Error reading font file " << fileUrl );
+ outputStream->closeOutput();
+ return OUString();
+ }
+ if( eof )
+ break;
+ if( file.read( buffer, 4096, readSize ) != osl::File::E_None )
+ {
+ SAL_WARN( "xmloff", "Error reading font file " << fileUrl );
+ outputStream->closeOutput();
+ return OUString();
+ }
+ if( readSize == 0 )
+ break;
+ // coverity[overrun-buffer-arg : FALSE] - coverity has difficulty with css::uno::Sequence
+ outputStream->writeBytes(uno::Sequence<sal_Int8>(buffer, readSize));
+ }
+ outputStream->closeOutput();
+ if( storage.is() )
+ {
+ Reference< embed::XTransactedObject > transaction( storage, UNO_QUERY );
+ if( transaction.is())
+ {
+ transaction->commit();
+ OUString sInternalName = "Fonts/" + name;
+ m_aEmbeddedFontFiles.emplace(sHashString, sInternalName);
+ return sInternalName;
+ }
+ }
+ } catch( const Exception& )
+ {
+ TOOLS_WARN_EXCEPTION( "xmloff", "Exception when embedding a font file" );
+ }
+ return OUString();
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */