xmloff/source/style/XMLFontStylesContext.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <xmloff/XMLFontStylesContext.hxx>
  21 #include "XMLFontStylesContext_impl.hxx"
  22
  23 #include <com/sun/star/awt/FontFamily.hpp>
  24 #include <com/sun/star/awt/FontPitch.hpp>
  25 #include <com/sun/star/embed/ElementModes.hpp>
  26 #include <com/sun/star/embed/XStorage.hpp>
  27
  28 #include <comphelper/seqstream.hxx>
  29
  30 #include <sal/log.hxx>
  31
  32 #include <xmloff/xmlnamespace.hxx>
  33 #include <xmloff/xmltoken.hxx>
  34 #include "fonthdl.hxx"
  35 #include <xmloff/xmlimp.hxx>
  36 #include <xmloff/maptype.hxx>
  37 #include <xmloff/XMLBase64ImportContext.hxx>
  38
  39
  40 using namespace ::com::sun::star;
  41 using namespace ::com::sun::star::uno;
  42 using namespace ::com::sun::star::xml::sax;
  43 using namespace ::com::sun::star::container;
  44 using namespace ::com::sun::star::beans;
  45 using namespace ::com::sun::star::lang;
  46 using namespace ::com::sun::star::awt;
  47 using namespace ::xmloff::token;
  48
  49
  50 #define XML_STYLE_FAMILY_FONT XmlStyleFamily::PAGE_MASTER
  51
  52 XMLFontStyleContextFontFace::XMLFontStyleContextFontFace( SvXMLImport& rImport,
  53         XMLFontStylesContext& rStyles ) :
  54     SvXMLStyleContext( rImport, XML_STYLE_FAMILY_FONT ),
  55     xStyles( &rStyles )
  56 {
  57     aFamilyName <<= OUString();
  58     aStyleName <<= OUString();
  59     aFamily <<= sal_Int16(awt::FontFamily::DONTKNOW);
  60     aPitch <<= sal_Int16(awt::FontPitch::DONTKNOW);
  61     aEnc <<= static_cast<sal_Int16>(rStyles.GetDfltCharset());
  62 }
  63
  64 void XMLFontStyleContextFontFace::SetAttribute( sal_Int32 nElement,
  65                                         const OUString& rValue )
  66 {
  67     SvXMLUnitConverter& rUnitConv = GetImport().GetMM100UnitConverter();
  68     Any aAny;
  69
  70     switch(nElement)
  71     {
  72     case XML_ELEMENT(SVG, XML_FONT_FAMILY):
  73     case XML_ELEMENT(SVG_COMPAT, XML_FONT_FAMILY):
  74         if( GetStyles()->GetFamilyNameHdl().importXML( rValue, aAny,
  75                                                           rUnitConv ) )
  76             aFamilyName = aAny;
  77         break;
  78     case XML_ELEMENT(STYLE, XML_FONT_ADORNMENTS):
  79         aStyleName <<= rValue;
  80         break;
  81     case XML_ELEMENT(STYLE, XML_FONT_FAMILY_GENERIC):
  82         if( GetStyles()->GetFamilyHdl().importXML( rValue, aAny,
  83                                                       rUnitConv ) )
  84             aFamily = aAny;
  85         break;
  86     case XML_ELEMENT(STYLE, XML_FONT_PITCH):
  87         if( GetStyles()->GetPitchHdl().importXML( rValue, aAny,
  88                                                       rUnitConv ) )
  89             aPitch = aAny;
  90         break;
  91     case XML_ELEMENT(STYLE, XML_FONT_CHARSET):
  92         if( GetStyles()->GetEncodingHdl().importXML( rValue, aAny,
  93                                                       rUnitConv ) )
  94             aEnc = aAny;
  95         break;
  96     default:
  97         SvXMLStyleContext::SetAttribute( nElement, rValue );
  98         break;
  99     }
 100 }
 101
 102 XMLFontStyleContextFontFace::~XMLFontStyleContextFontFace()
 103 {
 104 }
 105
 106 void XMLFontStyleContextFontFace::FillProperties(
 107         ::std::vector< XMLPropertyState > &rProps,
 108         sal_Int32 nFamilyNameIdx,
 109         sal_Int32 nStyleNameIdx,
 110         sal_Int32 nFamilyIdx,
 111         sal_Int32 nPitchIdx,
 112         sal_Int32 nCharsetIdx ) const
 113 {
 114     if( nFamilyNameIdx != -1 )
 115     {
 116         XMLPropertyState aPropState( nFamilyNameIdx, aFamilyName );
 117         rProps.push_back( aPropState );
 118     }
 119     if( nStyleNameIdx != -1 )
 120     {
 121         XMLPropertyState aPropState( nStyleNameIdx, aStyleName );
 122         rProps.push_back( aPropState );
 123     }
 124     if( nFamilyIdx != -1 )
 125     {
 126         XMLPropertyState aPropState( nFamilyIdx, aFamily );
 127         rProps.push_back( aPropState );
 128     }
 129     if( nPitchIdx != -1 )
 130     {
 131         XMLPropertyState aPropState( nPitchIdx, aPitch );
 132         rProps.push_back( aPropState );
 133     }
 134     if( nCharsetIdx != -1 )
 135     {
 136         XMLPropertyState aPropState( nCharsetIdx, aEnc );
 137         rProps.push_back( aPropState );
 138     }
 139 }
 140
 141 css::uno::Reference< css::xml::sax::XFastContextHandler > XMLFontStyleContextFontFace::createFastChildContext(
 142         sal_Int32 nElement,
 143         const css::uno::Reference< css::xml::sax::XFastAttributeList > &  )
 144 {
 145     if( nElement == XML_ELEMENT(SVG, XML_FONT_FACE_SRC) ||
 146         nElement == XML_ELEMENT(SVG_COMPAT, XML_FONT_FACE_SRC) )
 147         return new XMLFontStyleContextFontFaceSrc( GetImport(), *this );
 148     else
 149         XMLOFF_WARN_UNKNOWN_ELEMENT("xmloff", nElement);
 150     return nullptr;
 151 }
 152
 153 OUString XMLFontStyleContextFontFace::familyName() const
 154 {
 155     OUString ret;
 156     aFamilyName >>= ret;
 157     return ret;
 158 }
 159
 160
 161 XMLFontStyleContextFontFaceFormat::XMLFontStyleContextFontFaceFormat( SvXMLImport& rImport,
 162         XMLFontStyleContextFontFaceUri& _uri )
 163     : SvXMLStyleContext( rImport )
 164     , uri(_uri)
 165 {
 166 }
 167
 168 void XMLFontStyleContextFontFaceFormat::SetAttribute( sal_Int32 nElement,
 169     const OUString& rValue )
 170 {
 171     if( nElement == XML_ELEMENT(SVG, XML_STRING) || nElement == XML_ELEMENT(SVG_COMPAT, XML_STRING))
 172         uri.SetFormat(rValue);
 173     else
 174         SvXMLStyleContext::SetAttribute( nElement, rValue );
 175 }
 176
 177
 178 XMLFontStyleContextFontFaceSrc::XMLFontStyleContextFontFaceSrc( SvXMLImport& rImport,
 179         const XMLFontStyleContextFontFace& _font )
 180     : SvXMLImportContext( rImport )
 181     , font( _font )
 182 {
 183 }
 184
 185 css::uno::Reference< css::xml::sax::XFastContextHandler > XMLFontStyleContextFontFaceSrc::createFastChildContext(
 186         sal_Int32 nElement,
 187         const css::uno::Reference< css::xml::sax::XFastAttributeList > & /*xAttrList*/ )
 188 {
 189     if( nElement == XML_ELEMENT(SVG, XML_FONT_FACE_URI) ||
 190         nElement == XML_ELEMENT(SVG_COMPAT, XML_FONT_FACE_URI) )
 191         return new XMLFontStyleContextFontFaceUri( GetImport(), font );
 192     XMLOFF_WARN_UNKNOWN_ELEMENT("xmloff", nElement);
 193     return nullptr;
 194 }
 195
 196
 197 XMLFontStyleContextFontFaceUri::XMLFontStyleContextFontFaceUri( SvXMLImport& rImport,
 198         const XMLFontStyleContextFontFace& _font )
 199     : SvXMLStyleContext( rImport )
 200     , font( _font )
 201 {
 202 }
 203
 204 css::uno::Reference< css::xml::sax::XFastContextHandler > XMLFontStyleContextFontFaceUri::createFastChildContext(
 205         sal_Int32 nElement,
 206         const css::uno::Reference< css::xml::sax::XFastAttributeList > & /*xAttrList*/ )
 207 {
 208     if( nElement == XML_ELEMENT(SVG, XML_FONT_FACE_FORMAT) )
 209         return new XMLFontStyleContextFontFaceFormat( GetImport(), *this );
 210     else if( nElement == XML_ELEMENT(OFFICE, XML_BINARY_DATA) )
 211     {
 212         assert(linkPath.isEmpty());
 213         if( linkPath.isEmpty() )
 214         {
 215             mxBase64Stream.set( new comphelper::OSequenceOutputStream( maFontData ) );
 216             if( mxBase64Stream.is() )
 217                 return new XMLBase64ImportContext( GetImport(), mxBase64Stream );
 218         }
 219     }
 220     else
 221         XMLOFF_WARN_UNKNOWN_ELEMENT("xmloff", nElement);
 222     return nullptr;
 223 }
 224
 225 void XMLFontStyleContextFontFaceUri::SetAttribute( sal_Int32 nElement,
 226     const OUString& rValue )
 227 {
 228     if( nElement == XML_ELEMENT(XLINK, XML_HREF) )
 229         linkPath = rValue;
 230     else
 231         SvXMLStyleContext::SetAttribute( nElement, rValue );
 232 }
 233
 234 void XMLFontStyleContextFontFaceUri::SetFormat( const OUString& rFormat )
 235 {
 236     format = rFormat;
 237 }
 238
 239 // the CSS2 standard ( http://www.w3.org/TR/2008/REC-CSS2-20080411/fonts.html#referencing )
 240 // defines these format strings.
 241 const char OPENTYPE_FORMAT[] = "opentype";
 242 const char TRUETYPE_FORMAT[] = "truetype";
 243 const char EOT_FORMAT[]      = "embedded-opentype";
 244
 245 void XMLFontStyleContextFontFaceUri::endFastElement(sal_Int32 )
 246 {
 247     if( ( linkPath.getLength() == 0 ) && ( !maFontData.hasElements() ) )
 248     {
 249         SAL_WARN( "xmloff", "svg:font-face-uri tag with no link or base64 data; ignoring." );
 250         return;
 251     }
 252     bool eot;
 253     // Assume by default that the font is not compressed.
 254     if( format.getLength() == 0
 255         || format == OPENTYPE_FORMAT
 256         || format == TRUETYPE_FORMAT )
 257     {
 258         eot = false;
 259     }
 260     else if( format == EOT_FORMAT )
 261     {
 262         eot = true;
 263     }
 264     else
 265     {
 266         SAL_WARN( "xmloff", "Unknown format of embedded font; assuming TTF." );
 267         eot = false;
 268     }
 269     if ( !maFontData.hasElements() )
 270         handleEmbeddedFont( linkPath, eot );
 271     else
 272         handleEmbeddedFont( maFontData, eot );
 273 }
 274
 275 void XMLFontStyleContextFontFaceUri::handleEmbeddedFont( const OUString& url, bool eot )
 276 {
 277     if( GetImport().embeddedFontAlreadyProcessed( url ))
 278     {
 279         GetImport().NotifyContainsEmbeddedFont();
 280         return;
 281     }
 282     OUString fontName = font.familyName();
 283     // If there's any giveMeStreamForThisURL(), then it's well-hidden for me to find it.
 284     if( GetImport().IsPackageURL( url ))
 285     {
 286         uno::Reference< embed::XStorage > storage;
 287         storage.set( GetImport().GetSourceStorage(), UNO_SET_THROW );
 288         if( url.indexOf( '/' ) > -1 ) // TODO what if more levels?
 289             storage.set( storage->openStorageElement( url.copy( 0, url.indexOf( '/' )),
 290                 ::embed::ElementModes::READ ), uno::UNO_SET_THROW );
 291         uno::Reference< io::XInputStream > inputStream;
 292         inputStream.set( storage->openStreamElement( url.copy( url.indexOf( '/' ) + 1 ), ::embed::ElementModes::READ ),
 293             UNO_QUERY_THROW );
 294         if (GetImport().addEmbeddedFont(inputStream, fontName, "?", std::vector< unsigned char >(), eot))
 295             GetImport().NotifyContainsEmbeddedFont();
 296         inputStream->closeInput();
 297     }
 298     else
 299         SAL_WARN( "xmloff", "External URL for font file not handled." );
 300 }
 301
 302 void XMLFontStyleContextFontFaceUri::handleEmbeddedFont( const ::css::uno::Sequence< sal_Int8 >& rData, const bool eot )
 303 {
 304     const uno::Reference< io::XInputStream > xInput( new comphelper::SequenceInputStream( rData ) );
 305     const OUString fontName = font.familyName();
 306     if (GetImport().addEmbeddedFont(xInput, fontName, "?", std::vector< unsigned char >(), eot))
 307         GetImport().NotifyContainsEmbeddedFont();
 308     xInput->closeInput();
 309 }
 310
 311 SvXMLStyleContext *XMLFontStylesContext::CreateStyleChildContext(
 312         sal_Int32 nElement,
 313         const css::uno::Reference< css::xml::sax::XFastAttributeList > & xAttrList )
 314 {
 315     if( nElement == XML_ELEMENT(STYLE, XML_FONT_FACE) )
 316     {
 317         return new XMLFontStyleContextFontFace( GetImport(), *this );
 318     }
 319     return SvXMLStylesContext::CreateStyleChildContext( nElement, xAttrList );
 320 }
 321
 322
 323 XMLFontStylesContext::XMLFontStylesContext( SvXMLImport& rImport,
 324         rtl_TextEncoding eDfltEnc ) :
 325     SvXMLStylesContext( rImport ),
 326     m_pFamilyNameHdl( new XMLFontFamilyNamePropHdl ),
 327     m_pFamilyHdl( new XMLFontFamilyPropHdl ),
 328     m_pPitchHdl( new XMLFontPitchPropHdl ),
 329     m_pEncHdl( new XMLFontEncodingPropHdl ),
 330     m_eDefaultEncoding( eDfltEnc )
 331 {
 332 }
 333
 334 XMLFontStylesContext::~XMLFontStylesContext() {}
 335
 336 bool XMLFontStylesContext::FillProperties( const OUString& rName,
 337                          ::std::vector< XMLPropertyState > &rProps,
 338                          sal_Int32 nFamilyNameIdx,
 339                          sal_Int32 nStyleNameIdx,
 340                          sal_Int32 nFamilyIdx,
 341                          sal_Int32 nPitchIdx,
 342                          sal_Int32 nCharsetIdx ) const
 343 {
 344     const SvXMLStyleContext* pStyle = FindStyleChildContext( XML_STYLE_FAMILY_FONT, rName, true );
 345     const XMLFontStyleContextFontFace *pFontStyle = dynamic_cast<const XMLFontStyleContextFontFace*>(pStyle);// use temp var, PTR_CAST is a bad macro, FindStyleChildContext will be called twice
 346     if( pFontStyle )
 347         pFontStyle->FillProperties( rProps, nFamilyNameIdx, nStyleNameIdx,
 348                                     nFamilyIdx, nPitchIdx, nCharsetIdx );
 349     return nullptr != pFontStyle;
 350 }
 351
 352 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */