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 {
  26 namespace ole {
  27
  28 AxFontData::AxFontData() :
  29     mnFontEffects( AxFontFlags::NONE ),
  30     mnFontHeight( 160 ),
  31     mnFontCharSet( WINDOWS_CHARSET_DEFAULT ),
  32     mnHorAlign( AxHorizontalAlign::Left ),
  33     mbDblUnderline( false )
  34 {
  35 }
  36
  37 sal_Int16 AxFontData::getHeightPoints() const
  38 {
  39     /*  MSO uses weird font sizes:
  40         1pt->30, 2pt->45, 3pt->60, 4pt->75, 5pt->105, 6pt->120, 7pt->135,
  41         8pt->165, 9pt->180, 10pt->195, 11pt->225, ... */
  42     return getLimitedValue< sal_Int16, sal_Int32 >( (mnFontHeight + 10) / 20, 1, SAL_MAX_INT16 );
  43 }
  44
  45 void AxFontData::setHeightPoints( sal_Int16 nPoints )
  46 {
  47     mnFontHeight = getLimitedValue< sal_Int32, sal_Int32 >( ((nPoints * 4 + 1) / 3) * 15, 30, 4294967 );
  48 }
  49
  50 bool AxFontData::importBinaryModel( BinaryInputStream& rInStrm )
  51 {
  52     AxBinaryPropertyReader aReader( rInStrm );
  53     aReader.readStringProperty( maFontName );
  54     sal_uInt32 nTmp32 = 0;
  55     aReader.readIntProperty< sal_uInt32 >( nTmp32 );
  56     mnFontEffects = static_cast<AxFontFlags>(nTmp32);
  57     aReader.readIntProperty< sal_Int32 >( mnFontHeight );
  58     aReader.skipIntProperty< sal_Int32 >(); // font offset
  59     aReader.readIntProperty< sal_uInt8 >( mnFontCharSet );
  60     aReader.skipIntProperty< sal_uInt8 >(); // font pitch/family
  61     sal_uInt8 nTmp = static_cast<sal_uInt8>(AxHorizontalAlign::Left);
  62     aReader.readIntProperty< sal_uInt8 >( nTmp );
  63     mnHorAlign = static_cast<AxHorizontalAlign>(nTmp);
  64     aReader.skipIntProperty< sal_uInt16 >(); // font weight
  65     mbDblUnderline = false;
  66     return aReader.finalizeImport();
  67 }
  68
  69 void AxFontData::exportBinaryModel( BinaryOutputStream& rOutStrm )
  70 {
  71     AxBinaryPropertyWriter aWriter( rOutStrm );
  72     aWriter.writeStringProperty( maFontName );
  73     aWriter.writeIntProperty< sal_uInt32 >( static_cast<sal_uInt32>(mnFontEffects) );
  74     aWriter.writeIntProperty< sal_Int32 >( mnFontHeight );
  75     aWriter.skipProperty(); // font offset
  76     // TODO make AxFontDataModel::convertFromProperties convert the textencoding
  77     aWriter.writeIntProperty< sal_uInt8 >( mnFontCharSet );
  78     aWriter.skipProperty(); // font pitch/family
  79
  80     aWriter.writeIntProperty< sal_uInt8 >( static_cast<sal_uInt8>(mnHorAlign) );
  81     aWriter.skipProperty(); // font weight
  82     aWriter.finalizeExport();
  83 }
  84
  85 bool AxFontData::importStdFont( BinaryInputStream& rInStrm )
  86 {
  87     StdFontInfo aFontInfo;
  88     if( OleHelper::importStdFont( aFontInfo, rInStrm, false ) )
  89     {
  90         maFontName = aFontInfo.maName;
  91         mnFontEffects = AxFontFlags::NONE;
  92         setFlag( mnFontEffects, AxFontFlags::Bold,      aFontInfo.mnWeight >= OLE_STDFONT_BOLD );
  93         setFlag( mnFontEffects, AxFontFlags::Italic,    getFlag( aFontInfo.mnFlags, OLE_STDFONT_ITALIC ) );
  94         setFlag( mnFontEffects, AxFontFlags::Underline, getFlag( aFontInfo.mnFlags, OLE_STDFONT_UNDERLINE ) );
  95         setFlag( mnFontEffects, AxFontFlags::Strikeout, getFlag( aFontInfo.mnFlags,OLE_STDFONT_STRIKE ) );
  96         mbDblUnderline = false;
  97         // StdFont stores font height in 1/10,000 of points
  98         setHeightPoints( getLimitedValue< sal_Int16, sal_Int32 >( aFontInfo.mnHeight / 10000, 0, SAL_MAX_INT16 ) );
  99         mnFontCharSet = aFontInfo.mnCharSet;
 100         mnHorAlign = AxHorizontalAlign::Left;
 101         return true;
 102     }
 103     return false;
 104 }
 105
 106 bool AxFontData::importGuidAndFont( BinaryInputStream& rInStrm )
 107 {
 108     OUString aGuid = OleHelper::importGuid( rInStrm );
 109     if( aGuid == "{AFC20920-DA4E-11CE-B943-00AA006887B4}" )
 110         return importBinaryModel( rInStrm );
 111     if ( aGuid == OLE_GUID_STDFONT )
 112         return importStdFont( rInStrm );
 113     return false;
 114 }
 115
 116 } // namespace ole
 117 } // namespace oox
 118
 119 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */