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 // ============================================================================
  29
  30 AxFontData::AxFontData() :
  31     mnFontEffects( 0 ),
  32     mnFontHeight( 160 ),
  33     mnFontCharSet( WINDOWS_CHARSET_DEFAULT ),
  34     mnHorAlign( AX_FONTDATA_LEFT ),
  35     mbDblUnderline( false )
  36 {
  37 }
  38
  39 sal_Int16 AxFontData::getHeightPoints() const
  40 {
  41     /*  MSO uses weird font sizes:
  42         1pt->30, 2pt->45, 3pt->60, 4pt->75, 5pt->105, 6pt->120, 7pt->135,
  43         8pt->165, 9pt->180, 10pt->195, 11pt->225, ... */
  44     return getLimitedValue< sal_Int16, sal_Int32 >( (mnFontHeight + 10) / 20, 1, SAL_MAX_INT16 );
  45 }
  46
  47 void AxFontData::setHeightPoints( sal_Int16 nPoints )
  48 {
  49     mnFontHeight = getLimitedValue< sal_Int32, sal_Int32 >( ((nPoints * 4 + 1) / 3) * 15, 30, 4294967 );
  50 }
  51
  52 bool AxFontData::importBinaryModel( BinaryInputStream& rInStrm )
  53 {
  54     AxBinaryPropertyReader aReader( rInStrm );
  55     aReader.readStringProperty( maFontName );
  56     aReader.readIntProperty< sal_uInt32 >( mnFontEffects );
  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     aReader.readIntProperty< sal_uInt8 >( mnHorAlign );
  62     aReader.skipIntProperty< sal_uInt16 >(); // font weight
  63     mbDblUnderline = false;
  64     return aReader.finalizeImport();
  65 }
  66
  67 void AxFontData::exportBinaryModel( BinaryOutputStream& rOutStrm )
  68 {
  69     AxBinaryPropertyWriter aWriter( rOutStrm );
  70     aWriter.writeStringProperty( maFontName );
  71     aWriter.writeIntProperty< sal_uInt32 >( mnFontEffects );
  72     aWriter.writeIntProperty< sal_Int32 >( mnFontHeight );
  73     aWriter.skipProperty(); // font offset
  74     // TODO make AxFontDataModel::convertFromProperties convert the textencoding
  75     aWriter.writeIntProperty< sal_uInt8 >( mnFontCharSet );
  76     aWriter.skipProperty(); // font pitch/family
  77
  78     aWriter.writeIntProperty< sal_uInt8 >( mnHorAlign );
  79     aWriter.skipProperty(); // font weight
  80     aWriter.finalizeExport();
  81 }
  82
  83 bool AxFontData::importStdFont( BinaryInputStream& rInStrm )
  84 {
  85     StdFontInfo aFontInfo;
  86     if( OleHelper::importStdFont( aFontInfo, rInStrm, false ) )
  87     {
  88         maFontName = aFontInfo.maName;
  89         mnFontEffects = 0;
  90         setFlag( mnFontEffects, AX_FONTDATA_BOLD,      aFontInfo.mnWeight >= OLE_STDFONT_BOLD );
  91         setFlag( mnFontEffects, AX_FONTDATA_ITALIC,    getFlag( aFontInfo.mnFlags, OLE_STDFONT_ITALIC ) );
  92         setFlag( mnFontEffects, AX_FONTDATA_UNDERLINE, getFlag( aFontInfo.mnFlags, OLE_STDFONT_UNDERLINE ) );
  93         setFlag( mnFontEffects, AX_FONTDATA_STRIKEOUT, getFlag( aFontInfo.mnFlags,OLE_STDFONT_STRIKE ) );
  94         mbDblUnderline = false;
  95         // StdFont stores font height in 1/10,000 of points
  96         setHeightPoints( getLimitedValue< sal_Int16, sal_Int32 >( aFontInfo.mnHeight / 10000, 0, SAL_MAX_INT16 ) );
  97         mnFontCharSet = aFontInfo.mnCharSet;
  98         mnHorAlign = AX_FONTDATA_LEFT;
  99         return true;
 100     }
 101     return false;
 102 }
 103
 104 bool AxFontData::importGuidAndFont( BinaryInputStream& rInStrm )
 105 {
 106     OUString aGuid = OleHelper::importGuid( rInStrm );
 107     if( aGuid.equalsAscii( AX_GUID_CFONT ) )
 108         return importBinaryModel( rInStrm );
 109     if ( aGuid == OLE_GUID_STDFONT )
 110         return importStdFont( rInStrm );
 111     return false;
 112 }
 113
 114 // ============================================================================
 115
 116 } // namespace ole
 117 } // namespace oox
 118
 119 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */