oox/source/ole/axfontdata.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 <oox/ole/axfontdata.hxx>
  21 #include <oox/ole/olehelper.hxx>
  22 #include <oox/ole/axbinaryreader.hxx>
  23 #include <oox/ole/axbinarywriter.hxx>
  24
  25 namespace oox::ole {
  26
  27 AxFontData::AxFontData() :
  28     mnFontEffects( AxFontFlags::NONE ),
  29     mnFontHeight( 160 ),
  30     mnFontCharSet( WINDOWS_CHARSET_DEFAULT ),
  31     mnHorAlign( AxHorizontalAlign::Left ),
  32     mbDblUnderline( false )
  33 {
  34 }
  35
  36 sal_Int16 AxFontData::getHeightPoints() const
  37 {
  38     /*  MSO uses weird font sizes:
  39         1pt->30, 2pt->45, 3pt->60, 4pt->75, 5pt->105, 6pt->120, 7pt->135,
  40         8pt->165, 9pt->180, 10pt->195, 11pt->225, ... */
  41     return getLimitedValue< sal_Int16, sal_Int32 >( (mnFontHeight + 10) / 20, 1, SAL_MAX_INT16 );
  42 }
  43
  44 void AxFontData::setHeightPoints( sal_Int16 nPoints )
  45 {
  46     mnFontHeight = getLimitedValue< sal_Int32, sal_Int32 >( ((nPoints * 4 + 1) / 3) * 15, 30, 4294967 );
  47 }
  48
  49 bool AxFontData::importBinaryModel( BinaryInputStream& rInStrm )
  50 {
  51     AxBinaryPropertyReader aReader( rInStrm );
  52     aReader.readStringProperty( maFontName );
  53     sal_uInt32 nTmp32 = 0;
  54     aReader.readIntProperty< sal_uInt32 >( nTmp32 );
  55     mnFontEffects = static_cast<AxFontFlags>(nTmp32);
  56     aReader.readIntProperty< sal_Int32 >( mnFontHeight );
  57     aReader.skipIntProperty< sal_Int32 >(); // font offset
  58     aReader.readIntProperty< sal_uInt8 >( mnFontCharSet );
  59     aReader.skipIntProperty< sal_uInt8 >(); // font pitch/family
  60     sal_uInt8 nTmp = static_cast<sal_uInt8>(AxHorizontalAlign::Left);
  61     aReader.readIntProperty< sal_uInt8 >( nTmp );
  62     mnHorAlign = static_cast<AxHorizontalAlign>(nTmp);
  63     aReader.skipIntProperty< sal_uInt16 >(); // font weight
  64     mbDblUnderline = false;
  65     return aReader.finalizeImport();
  66 }
  67
  68 void AxFontData::exportBinaryModel( BinaryOutputStream& rOutStrm )
  69 {
  70     AxBinaryPropertyWriter aWriter( rOutStrm );
  71     aWriter.writeStringProperty( maFontName );
  72     aWriter.writeIntProperty< sal_uInt32 >( static_cast<sal_uInt32>(mnFontEffects) );
  73     aWriter.writeIntProperty< sal_Int32 >( mnFontHeight );
  74     aWriter.skipProperty(); // font offset
  75     // TODO make AxFontDataModel::convertFromProperties convert the textencoding
  76     aWriter.writeIntProperty< sal_uInt8 >( mnFontCharSet );
  77     aWriter.skipProperty(); // font pitch/family
  78
  79     aWriter.writeIntProperty< sal_uInt8 >( static_cast<sal_uInt8>(mnHorAlign) );
  80     aWriter.skipProperty(); // font weight
  81     aWriter.finalizeExport();
  82 }
  83
  84 bool AxFontData::importStdFont( BinaryInputStream& rInStrm )
  85 {
  86     StdFontInfo aFontInfo;
  87     if( OleHelper::importStdFont( aFontInfo, rInStrm, false ) )
  88     {
  89         maFontName = aFontInfo.maName;
  90         mnFontEffects = AxFontFlags::NONE;
  91         setFlag( mnFontEffects, AxFontFlags::Bold,      aFontInfo.mnWeight >= OLE_STDFONT_BOLD );
  92         setFlag( mnFontEffects, AxFontFlags::Italic,    getFlag( aFontInfo.mnFlags, OLE_STDFONT_ITALIC ) );
  93         setFlag( mnFontEffects, AxFontFlags::Underline, getFlag( aFontInfo.mnFlags, OLE_STDFONT_UNDERLINE ) );
  94         setFlag( mnFontEffects, AxFontFlags::Strikeout, getFlag( aFontInfo.mnFlags,OLE_STDFONT_STRIKE ) );
  95         mbDblUnderline = false;
  96         // StdFont stores font height in 1/10,000 of points
  97         setHeightPoints( getLimitedValue< sal_Int16, sal_Int32 >( aFontInfo.mnHeight / 10000, 0, SAL_MAX_INT16 ) );
  98         mnFontCharSet = aFontInfo.mnCharSet;
  99         mnHorAlign = AxHorizontalAlign::Left;
 100         return true;
 101     }
 102     return false;
 103 }
 104
 105 bool AxFontData::importGuidAndFont( BinaryInputStream& rInStrm )
 106 {
 107     OUString aGuid = OleHelper::importGuid( rInStrm );
 108     if( aGuid == "{AFC20920-DA4E-11CE-B943-00AA006887B4}" )
 109         return importBinaryModel( rInStrm );
 110     if ( aGuid == OLE_GUID_STDFONT )
 111         return importStdFont( rInStrm );
 112     return false;
 113 }
 114
 115 } // namespace oox::ole
 116
 117 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */