xmloff/source/style/weighhdl.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 "weighhdl.hxx"
  21
  22 #include <sax/tools/converter.hxx>
  23
  24 #include <xmloff/xmltoken.hxx>
  25
  26 #include <rtl/ustring.hxx>
  27
  28 #include <com/sun/star/uno/Any.hxx>
  29 #include <com/sun/star/awt/FontWeight.hpp>
  30
  31 using namespace ::com::sun::star::uno;
  32 using namespace ::xmloff::token;
  33
  34 namespace {
  35
  36 struct FontWeightMapper
  37 {
  38     float fWeight;
  39     sal_uInt16 nValue;
  40 };
  41
  42 }
  43
  44 FontWeightMapper const aFontWeightMap[] =
  45 {
  46     { css::awt::FontWeight::DONTKNOW,              0 },
  47     { css::awt::FontWeight::THIN,                  100 },
  48     { css::awt::FontWeight::ULTRALIGHT,            150 },
  49     { css::awt::FontWeight::LIGHT,                 250 },
  50     { css::awt::FontWeight::SEMILIGHT,             350 },
  51     { css::awt::FontWeight::NORMAL,                400 },
  52     { css::awt::FontWeight::NORMAL,                450 },
  53     { css::awt::FontWeight::SEMIBOLD,              600 },
  54     { css::awt::FontWeight::BOLD,                  700 },
  55     { css::awt::FontWeight::ULTRABOLD,             800 },
  56     { css::awt::FontWeight::BLACK,                 900 },
  57     { css::awt::FontWeight::DONTKNOW,             1000 }
  58 };
  59
  60
  61 XMLFontWeightPropHdl::~XMLFontWeightPropHdl()
  62 {
  63     // Nothing to do
  64 }
  65
  66 bool XMLFontWeightPropHdl::importXML( const OUString& rStrImpValue, Any& rValue, const SvXMLUnitConverter& ) const
  67 {
  68     bool bRet = false;
  69     sal_uInt16 nWeight = 0;
  70
  71     if( IsXMLToken( rStrImpValue, XML_NORMAL ) )
  72     {
  73         nWeight = 400;
  74         bRet = true;
  75     }
  76     else if( IsXMLToken( rStrImpValue, XML_BOLD ) )
  77     {
  78         nWeight = 700;
  79         bRet = true;
  80     }
  81     else
  82     {
  83         sal_Int32 nTemp;
  84         bRet = ::sax::Converter::convertNumber(nTemp, rStrImpValue, 100, 900);
  85         if( bRet )
  86             nWeight = sal::static_int_cast< sal_uInt16 >(nTemp);
  87     }
  88
  89     if( bRet )
  90     {
  91         bRet = false;
  92         int const nCount = SAL_N_ELEMENTS(aFontWeightMap);
  93         for (int i = 0; i < (nCount-1); ++i)
  94         {
  95             if( (nWeight >= aFontWeightMap[i].nValue) && (nWeight <= aFontWeightMap[i+1].nValue) )
  96             {
  97                 sal_uInt16 nDiff1 = nWeight - aFontWeightMap[i].nValue;
  98                 sal_uInt16 nDiff2 = aFontWeightMap[i+1].nValue - nWeight;
  99
 100                 if( nDiff1 < nDiff2 )
 101                     rValue <<= aFontWeightMap[i].fWeight;
 102                 else
 103                     rValue <<= aFontWeightMap[i+1].fWeight;
 104
 105                 bRet = true;
 106                 break;
 107             }
 108         }
 109     }
 110
 111     return bRet;
 112 }
 113
 114 bool XMLFontWeightPropHdl::exportXML( OUString& rStrExpValue, const Any& rValue, const SvXMLUnitConverter& ) const
 115 {
 116     bool bRet = false;
 117
 118     float fValue = float();
 119     if( !( rValue >>= fValue ) )
 120     {
 121         sal_Int32 nValue = 0;
 122         if( rValue >>= nValue )
 123         {
 124             fValue = static_cast<float>(nValue);
 125             bRet = true;
 126         }
 127     }
 128     else
 129         bRet = true;
 130
 131     if( bRet )
 132     {
 133         sal_uInt16 nWeight = 0;
 134         for( auto const & pair : aFontWeightMap )
 135         {
 136             if( fValue <= pair.fWeight )
 137             {
 138                  nWeight = pair.nValue;
 139                  break;
 140             }
 141         }
 142
 143         if( 400 == nWeight )
 144             rStrExpValue = GetXMLToken(XML_NORMAL);
 145         else if( 700 == nWeight )
 146             rStrExpValue = GetXMLToken(XML_BOLD);
 147         else
 148             rStrExpValue = OUString::number( nWeight );
 149     }
 150
 151     return bRet;
 152 }
 153
 154 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */