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libreoffice/xmloff/source/style/XMLFontStylesContext.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

350 lines
12 KiB
C++

/* -*- 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 <xmloff/XMLFontStylesContext.hxx>
#include "XMLFontStylesContext_impl.hxx"
#include <com/sun/star/awt/FontFamily.hpp>
#include <com/sun/star/awt/FontPitch.hpp>
#include <com/sun/star/embed/ElementModes.hpp>
#include <com/sun/star/embed/XStorage.hpp>
#include <comphelper/seqstream.hxx>
#include <sal/log.hxx>
#include <xmloff/xmlnamespace.hxx>
#include <xmloff/xmltoken.hxx>
#include "fonthdl.hxx"
#include <xmloff/xmlimp.hxx>
#include <xmloff/maptype.hxx>
#include <xmloff/XMLBase64ImportContext.hxx>
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::xml::sax;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::awt;
using namespace ::xmloff::token;
#define XML_STYLE_FAMILY_FONT XmlStyleFamily::PAGE_MASTER
XMLFontStyleContextFontFace::XMLFontStyleContextFontFace( SvXMLImport& rImport,
XMLFontStylesContext& rStyles ) :
SvXMLStyleContext( rImport, XML_STYLE_FAMILY_FONT ),
xStyles( &rStyles )
{
aFamilyName <<= OUString();
aStyleName <<= OUString();
aFamily <<= sal_Int16(awt::FontFamily::DONTKNOW);
aPitch <<= sal_Int16(awt::FontPitch::DONTKNOW);
aEnc <<= static_cast<sal_Int16>(rStyles.GetDfltCharset());
}
void XMLFontStyleContextFontFace::SetAttribute( sal_Int32 nElement,
const OUString& rValue )
{
SvXMLUnitConverter& rUnitConv = GetImport().GetMM100UnitConverter();
Any aAny;
switch(nElement)
{
case XML_ELEMENT(SVG, XML_FONT_FAMILY):
case XML_ELEMENT(SVG_COMPAT, XML_FONT_FAMILY):
if( GetStyles()->GetFamilyNameHdl().importXML( rValue, aAny,
rUnitConv ) )
aFamilyName = aAny;
break;
case XML_ELEMENT(STYLE, XML_FONT_ADORNMENTS):
aStyleName <<= rValue;
break;
case XML_ELEMENT(STYLE, XML_FONT_FAMILY_GENERIC):
if( GetStyles()->GetFamilyHdl().importXML( rValue, aAny,
rUnitConv ) )
aFamily = aAny;
break;
case XML_ELEMENT(STYLE, XML_FONT_PITCH):
if( GetStyles()->GetPitchHdl().importXML( rValue, aAny,
rUnitConv ) )
aPitch = aAny;
break;
case XML_ELEMENT(STYLE, XML_FONT_CHARSET):
if( GetStyles()->GetEncodingHdl().importXML( rValue, aAny,
rUnitConv ) )
aEnc = std::move(aAny);
break;
default:
SvXMLStyleContext::SetAttribute( nElement, rValue );
break;
}
}
XMLFontStyleContextFontFace::~XMLFontStyleContextFontFace()
{
}
void XMLFontStyleContextFontFace::FillProperties(
::std::vector< XMLPropertyState > &rProps,
sal_Int32 nFamilyNameIdx,
sal_Int32 nStyleNameIdx,
sal_Int32 nFamilyIdx,
sal_Int32 nPitchIdx,
sal_Int32 nCharsetIdx ) const
{
if( nFamilyNameIdx != -1 )
{
XMLPropertyState aPropState( nFamilyNameIdx, aFamilyName );
rProps.push_back( aPropState );
}
if( nStyleNameIdx != -1 )
{
XMLPropertyState aPropState( nStyleNameIdx, aStyleName );
rProps.push_back( aPropState );
}
if( nFamilyIdx != -1 )
{
XMLPropertyState aPropState( nFamilyIdx, aFamily );
rProps.push_back( aPropState );
}
if( nPitchIdx != -1 )
{
XMLPropertyState aPropState( nPitchIdx, aPitch );
rProps.push_back( aPropState );
}
if( nCharsetIdx != -1 )
{
XMLPropertyState aPropState( nCharsetIdx, aEnc );
rProps.push_back( aPropState );
}
}
css::uno::Reference< css::xml::sax::XFastContextHandler > XMLFontStyleContextFontFace::createFastChildContext(
sal_Int32 nElement,
const css::uno::Reference< css::xml::sax::XFastAttributeList > & )
{
if( nElement == XML_ELEMENT(SVG, XML_FONT_FACE_SRC) ||
nElement == XML_ELEMENT(SVG_COMPAT, XML_FONT_FACE_SRC) )
return new XMLFontStyleContextFontFaceSrc( GetImport(), *this );
else
XMLOFF_WARN_UNKNOWN_ELEMENT("xmloff", nElement);
return nullptr;
}
OUString XMLFontStyleContextFontFace::familyName() const
{
OUString ret;
aFamilyName >>= ret;
return ret;
}
XMLFontStyleContextFontFaceFormat::XMLFontStyleContextFontFaceFormat( SvXMLImport& rImport,
XMLFontStyleContextFontFaceUri& _uri )
: SvXMLStyleContext( rImport )
, uri(_uri)
{
}
void XMLFontStyleContextFontFaceFormat::SetAttribute( sal_Int32 nElement,
const OUString& rValue )
{
if( nElement == XML_ELEMENT(SVG, XML_STRING) || nElement == XML_ELEMENT(SVG_COMPAT, XML_STRING))
uri.SetFormat(rValue);
else
SvXMLStyleContext::SetAttribute( nElement, rValue );
}
XMLFontStyleContextFontFaceSrc::XMLFontStyleContextFontFaceSrc( SvXMLImport& rImport,
const XMLFontStyleContextFontFace& _font )
: SvXMLImportContext( rImport )
, font( _font )
{
}
css::uno::Reference< css::xml::sax::XFastContextHandler > XMLFontStyleContextFontFaceSrc::createFastChildContext(
sal_Int32 nElement,
const css::uno::Reference< css::xml::sax::XFastAttributeList > & /*xAttrList*/ )
{
if( nElement == XML_ELEMENT(SVG, XML_FONT_FACE_URI) ||
nElement == XML_ELEMENT(SVG_COMPAT, XML_FONT_FACE_URI) )
return new XMLFontStyleContextFontFaceUri( GetImport(), font );
XMLOFF_WARN_UNKNOWN_ELEMENT("xmloff", nElement);
return nullptr;
}
XMLFontStyleContextFontFaceUri::XMLFontStyleContextFontFaceUri( SvXMLImport& rImport,
const XMLFontStyleContextFontFace& _font )
: SvXMLStyleContext( rImport )
, font( _font )
{
}
css::uno::Reference< css::xml::sax::XFastContextHandler > XMLFontStyleContextFontFaceUri::createFastChildContext(
sal_Int32 nElement,
const css::uno::Reference< css::xml::sax::XFastAttributeList > & /*xAttrList*/ )
{
if( nElement == XML_ELEMENT(SVG, XML_FONT_FACE_FORMAT) )
return new XMLFontStyleContextFontFaceFormat( GetImport(), *this );
else if( nElement == XML_ELEMENT(OFFICE, XML_BINARY_DATA) )
{
assert(linkPath.isEmpty());
if( linkPath.isEmpty() )
{
mxBase64Stream.set( new comphelper::OSequenceOutputStream( maFontData ) );
if( mxBase64Stream.is() )
return new XMLBase64ImportContext( GetImport(), mxBase64Stream );
}
}
else
XMLOFF_WARN_UNKNOWN_ELEMENT("xmloff", nElement);
return nullptr;
}
void XMLFontStyleContextFontFaceUri::SetAttribute( sal_Int32 nElement,
const OUString& rValue )
{
if( nElement == XML_ELEMENT(XLINK, XML_HREF) )
linkPath = rValue;
else
SvXMLStyleContext::SetAttribute( nElement, rValue );
}
void XMLFontStyleContextFontFaceUri::SetFormat( const OUString& rFormat )
{
format = rFormat;
}
// the CSS2 standard ( http://www.w3.org/TR/2008/REC-CSS2-20080411/fonts.html#referencing )
// defines these format strings.
const char OPENTYPE_FORMAT[] = "opentype";
const char TRUETYPE_FORMAT[] = "truetype";
const char EOT_FORMAT[] = "embedded-opentype";
void XMLFontStyleContextFontFaceUri::endFastElement(sal_Int32 )
{
if( ( linkPath.getLength() == 0 ) && ( !maFontData.hasElements() ) )
{
SAL_WARN( "xmloff", "svg:font-face-uri tag with no link or base64 data; ignoring." );
return;
}
bool eot;
// Assume by default that the font is not compressed.
if( format.getLength() == 0
|| format == OPENTYPE_FORMAT
|| format == TRUETYPE_FORMAT )
{
eot = false;
}
else if( format == EOT_FORMAT )
{
eot = true;
}
else
{
SAL_WARN( "xmloff", "Unknown format of embedded font; assuming TTF." );
eot = false;
}
if ( !maFontData.hasElements() )
handleEmbeddedFont( linkPath, eot );
else
handleEmbeddedFont( maFontData, eot );
}
void XMLFontStyleContextFontFaceUri::handleEmbeddedFont( const OUString& url, bool eot )
{
if( GetImport().embeddedFontAlreadyProcessed( url ))
{
GetImport().NotifyContainsEmbeddedFont();
return;
}
OUString fontName = font.familyName();
// If there's any giveMeStreamForThisURL(), then it's well-hidden for me to find it.
if( GetImport().IsPackageURL( url ))
{
uno::Reference< embed::XStorage > storage;
storage.set( GetImport().GetSourceStorage(), UNO_SET_THROW );
if( url.indexOf( '/' ) > -1 ) // TODO what if more levels?
storage.set( storage->openStorageElement( url.copy( 0, url.indexOf( '/' )),
::embed::ElementModes::READ ), uno::UNO_SET_THROW );
uno::Reference< io::XInputStream > inputStream;
inputStream.set( storage->openStreamElement( url.copy( url.indexOf( '/' ) + 1 ), ::embed::ElementModes::READ ),
UNO_QUERY_THROW );
if (GetImport().addEmbeddedFont(inputStream, fontName, u"?", std::vector< unsigned char >(), eot))
GetImport().NotifyContainsEmbeddedFont();
inputStream->closeInput();
}
else
SAL_WARN( "xmloff", "External URL for font file not handled." );
}
void XMLFontStyleContextFontFaceUri::handleEmbeddedFont( const ::css::uno::Sequence< sal_Int8 >& rData, const bool eot )
{
const uno::Reference< io::XInputStream > xInput( new comphelper::SequenceInputStream( rData ) );
const OUString fontName = font.familyName();
if (GetImport().addEmbeddedFont(xInput, fontName, u"?", std::vector< unsigned char >(), eot))
GetImport().NotifyContainsEmbeddedFont();
xInput->closeInput();
}
SvXMLStyleContext *XMLFontStylesContext::CreateStyleChildContext(
sal_Int32 nElement,
const css::uno::Reference< css::xml::sax::XFastAttributeList > & xAttrList )
{
if( nElement == XML_ELEMENT(STYLE, XML_FONT_FACE) )
{
return new XMLFontStyleContextFontFace( GetImport(), *this );
}
return SvXMLStylesContext::CreateStyleChildContext( nElement, xAttrList );
}
XMLFontStylesContext::XMLFontStylesContext( SvXMLImport& rImport,
rtl_TextEncoding eDfltEnc ) :
SvXMLStylesContext( rImport ),
m_pFamilyNameHdl( new XMLFontFamilyNamePropHdl ),
m_pFamilyHdl( new XMLFontFamilyPropHdl ),
m_pPitchHdl( new XMLFontPitchPropHdl ),
m_pEncHdl( new XMLFontEncodingPropHdl ),
m_eDefaultEncoding( eDfltEnc )
{
}
XMLFontStylesContext::~XMLFontStylesContext() {}
bool XMLFontStylesContext::FillProperties( const OUString& rName,
::std::vector< XMLPropertyState > &rProps,
sal_Int32 nFamilyNameIdx,
sal_Int32 nStyleNameIdx,
sal_Int32 nFamilyIdx,
sal_Int32 nPitchIdx,
sal_Int32 nCharsetIdx ) const
{
const SvXMLStyleContext* pStyle = FindStyleChildContext( XML_STYLE_FAMILY_FONT, rName, true );
const XMLFontStyleContextFontFace *pFontStyle = dynamic_cast<const XMLFontStyleContextFontFace*>(pStyle);// use temp var, PTR_CAST is a bad macro, FindStyleChildContext will be called twice
if( pFontStyle )
pFontStyle->FillProperties( rProps, nFamilyNameIdx, nStyleNameIdx,
nFamilyIdx, nPitchIdx, nCharsetIdx );
return nullptr != pFontStyle;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */