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Diffstat (limited to 'writerfilter/source/dmapper/FontTable.cxx')
| -rw-r--r-- | writerfilter/source/dmapper/FontTable.cxx | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/writerfilter/source/dmapper/FontTable.cxx b/writerfilter/source/dmapper/FontTable.cxx new file mode 100644 index 000000000..470deff83 --- /dev/null +++ b/writerfilter/source/dmapper/FontTable.cxx @@ -0,0 +1,299 @@ +/* -*- 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 "FontTable.hxx" +#include <o3tl/deleter.hxx> +#include <ooxml/resourceids.hxx> +#include <vector> +#include <sal/log.hxx> +#include <rtl/tencinfo.h> +#include <vcl/embeddedfontshelper.hxx> +#include <unotools/fontdefs.hxx> + +using namespace com::sun::star; + +namespace writerfilter::dmapper +{ + +struct FontTable_Impl +{ + std::unique_ptr<EmbeddedFontsHelper, o3tl::default_delete<EmbeddedFontsHelper>> xEmbeddedFontHelper; + std::vector< FontEntry::Pointer_t > aFontEntries; + FontEntry::Pointer_t pCurrentEntry; + FontTable_Impl() {} +}; + +FontTable::FontTable() +: LoggedProperties("FontTable") +, LoggedTable("FontTable") +, LoggedStream("FontTable") +, m_pImpl( new FontTable_Impl ) +{ +} + +FontTable::~FontTable() +{ +} + +void FontTable::lcl_attribute(Id Name, Value & val) +{ + SAL_WARN_IF( !m_pImpl->pCurrentEntry, "writerfilter.dmapper", "current entry has to be set here" ); + if(!m_pImpl->pCurrentEntry) + return ; + int nIntValue = val.getInt(); + OUString sValue = val.getString(); + switch(Name) + { + case NS_ooxml::LN_CT_Pitch_val: + if (static_cast<Id>(nIntValue) == NS_ooxml::LN_Value_ST_Pitch_fixed) + ; + else if (static_cast<Id>(nIntValue) == NS_ooxml::LN_Value_ST_Pitch_variable) + ; + else if (static_cast<Id>(nIntValue) == NS_ooxml::LN_Value_ST_Pitch_default) + ; + else + SAL_WARN("writerfilter.dmapper", "FontTable::lcl_attribute: unhandled NS_ooxml::CT_Pitch_val: " << nIntValue); + break; + case NS_ooxml::LN_CT_Font_name: + m_pImpl->pCurrentEntry->sFontName = sValue; + break; + case NS_ooxml::LN_CT_Charset_val: + // w:characterSet has higher priority, set only if that one is not set + if( m_pImpl->pCurrentEntry->nTextEncoding == RTL_TEXTENCODING_DONTKNOW ) + { + m_pImpl->pCurrentEntry->nTextEncoding = rtl_getTextEncodingFromWindowsCharset( nIntValue ); + if( IsStarSymbol( m_pImpl->pCurrentEntry->sFontName )) + m_pImpl->pCurrentEntry->nTextEncoding = RTL_TEXTENCODING_SYMBOL; + } + break; + case NS_ooxml::LN_CT_Charset_characterSet: + { + OString tmp; + sValue.convertToString( &tmp, RTL_TEXTENCODING_ASCII_US, OUSTRING_TO_OSTRING_CVTFLAGS ); + m_pImpl->pCurrentEntry->nTextEncoding = rtl_getTextEncodingFromMimeCharset( tmp.getStr() ); + // Older LO versions used to write incorrect character set for OpenSymbol, fix. + if( IsStarSymbol( m_pImpl->pCurrentEntry->sFontName )) + m_pImpl->pCurrentEntry->nTextEncoding = RTL_TEXTENCODING_SYMBOL; + break; + } + default: ; + } +} + +void FontTable::lcl_sprm(Sprm& rSprm) +{ + SAL_WARN_IF( !m_pImpl->pCurrentEntry, "writerfilter.dmapper", "current entry has to be set here" ); + if(!m_pImpl->pCurrentEntry) + return ; + sal_uInt32 nSprmId = rSprm.getId(); + + switch(nSprmId) + { + case NS_ooxml::LN_CT_Font_charset: + case NS_ooxml::LN_CT_Font_pitch: + resolveSprm( rSprm ); + break; + case NS_ooxml::LN_CT_Font_embedRegular: + case NS_ooxml::LN_CT_Font_embedBold: + case NS_ooxml::LN_CT_Font_embedItalic: + case NS_ooxml::LN_CT_Font_embedBoldItalic: + { + writerfilter::Reference< Properties >::Pointer_t pProperties = rSprm.getProps(); + if( pProperties ) + { + EmbeddedFontHandler handler(*this, m_pImpl->pCurrentEntry->sFontName, + nSprmId == NS_ooxml::LN_CT_Font_embedRegular ? "" + : nSprmId == NS_ooxml::LN_CT_Font_embedBold ? "b" + : nSprmId == NS_ooxml::LN_CT_Font_embedItalic ? "i" + : /*NS_ooxml::LN_CT_Font_embedBoldItalic*/ "bi" ); + pProperties->resolve( handler ); + } + break; + } + case NS_ooxml::LN_CT_Font_altName: + break; + case NS_ooxml::LN_CT_Font_panose1: + break; + case NS_ooxml::LN_CT_Font_family: + break; + case NS_ooxml::LN_CT_Font_sig: + break; + case NS_ooxml::LN_CT_Font_notTrueType: + break; + default: + SAL_WARN("writerfilter.dmapper", "FontTable::lcl_sprm: unhandled token: " << nSprmId); + break; + } +} + +void FontTable::resolveSprm(Sprm & r_Sprm) +{ + writerfilter::Reference<Properties>::Pointer_t pProperties = r_Sprm.getProps(); + if( pProperties ) + pProperties->resolve(*this); +} + +void FontTable::lcl_entry(writerfilter::Reference<Properties>::Pointer_t ref) +{ + //create a new font entry + SAL_WARN_IF( m_pImpl->pCurrentEntry, "writerfilter.dmapper", "current entry has to be NULL here" ); + m_pImpl->pCurrentEntry = new FontEntry; + ref->resolve(*this); + //append it to the table + m_pImpl->aFontEntries.push_back( m_pImpl->pCurrentEntry ); + m_pImpl->pCurrentEntry.clear(); +} + +void FontTable::lcl_startSectionGroup() +{ +} + +void FontTable::lcl_endSectionGroup() +{ +} + +void FontTable::lcl_startParagraphGroup() +{ +} + +void FontTable::lcl_endParagraphGroup() +{ +} + +void FontTable::lcl_startCharacterGroup() +{ +} + +void FontTable::lcl_endCharacterGroup() +{ +} + +void FontTable::lcl_text(const sal_uInt8*, size_t ) +{ +} + +void FontTable::lcl_utext(const sal_uInt8* , size_t) +{ +} + +void FontTable::lcl_props(writerfilter::Reference<Properties>::Pointer_t) +{ +} + +void FontTable::lcl_table(Id, writerfilter::Reference<Table>::Pointer_t) +{ +} + +void FontTable::lcl_substream(Id, ::writerfilter::Reference<Stream>::Pointer_t) +{ +} + +void FontTable::lcl_startShape(uno::Reference<drawing::XShape> const&) +{ +} + +void FontTable::lcl_endShape( ) +{ +} + +FontEntry::Pointer_t FontTable::getFontEntry(sal_uInt32 nIndex) +{ + return (m_pImpl->aFontEntries.size() > nIndex) + ? m_pImpl->aFontEntries[nIndex] + : FontEntry::Pointer_t(); +} + +sal_uInt32 FontTable::size() +{ + return m_pImpl->aFontEntries.size(); +} + +void FontTable::addEmbeddedFont(const css::uno::Reference<css::io::XInputStream>& stream, + const OUString& fontName, const char* extra, + std::vector<unsigned char> const & key) +{ + if (!m_pImpl->xEmbeddedFontHelper) + m_pImpl->xEmbeddedFontHelper.reset(new EmbeddedFontsHelper); + m_pImpl->xEmbeddedFontHelper->addEmbeddedFont(stream, fontName, extra, key); +} + +EmbeddedFontHandler::EmbeddedFontHandler(FontTable& rFontTable, const OUString& _fontName, const char* _style ) +: LoggedProperties("EmbeddedFontHandler") +, fontTable( rFontTable ) +, fontName( _fontName ) +, style( _style ) +{ +} + +EmbeddedFontHandler::~EmbeddedFontHandler() +{ + if( !inputStream.is()) + return; + std::vector< unsigned char > key( 32 ); + if( !fontKey.isEmpty()) + { // key for unobfuscating + // 1 3 5 7 10 2 5 7 20 2 5 7 9 1 3 5 + // {62E79491-959F-41E9-B76B-6B32631DEA5C} + static const int pos[ 16 ] = { 35, 33, 31, 29, 27, 25, 22, 20, 17, 15, 12, 10, 7, 5, 3, 1 }; + for( int i = 0; + i < 16; + ++i ) + { + int v1 = fontKey[ pos[ i ]]; + int v2 = fontKey[ pos[ i ] + 1 ]; + assert(( v1 >= '0' && v1 <= '9' ) || ( v1 >= 'A' && v1 <= 'F' )); + assert(( v2 >= '0' && v2 <= '9' ) || ( v2 >= 'A' && v2 <= 'F' )); + int val = ( v1 - ( v1 <= '9' ? '0' : 'A' - 10 )) * 16 + v2 - ( v2 <= '9' ? '0' : 'A' - 10 ); + key[ i ] = val; + key[ i + 16 ] = val; + } + } + fontTable.addEmbeddedFont( inputStream, fontName, style, key ); + inputStream->closeInput(); +} + +void EmbeddedFontHandler::lcl_attribute( Id name, Value& val ) +{ + OUString sValue = val.getString(); + switch( name ) + { + case NS_ooxml::LN_CT_FontRel_fontKey: + fontKey = sValue; + break; + case NS_ooxml::LN_CT_Rel_id: + break; + case NS_ooxml::LN_CT_FontRel_subsetted: + break; // TODO? Let's just ignore this for now and hope + // it doesn't break anything. + case NS_ooxml::LN_inputstream: // the actual font data as stream + val.getAny() >>= inputStream; + break; + default: + break; + } +} + +void EmbeddedFontHandler::lcl_sprm( Sprm& ) +{ +} + + +}//namespace writerfilter::dmapper + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |