chart2/source/tools/RelativeSizeHelper.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_chart2.hxx"
  33 #include "RelativeSizeHelper.hxx"
  34 #include "macros.hxx"
  35
  36 #include <vector>
  37 #include <algorithm>
  38
  39 using namespace ::com::sun::star::awt;
  40 using namespace ::com::sun::star::beans;
  41 using namespace ::std;
  42
  43 using ::com::sun::star::uno::Reference;
  44 using ::com::sun::star::uno::makeAny;
  45 using ::com::sun::star::uno::Exception;
  46 using ::rtl::OUString;
  47
  48 namespace chart
  49 {
  50
  51 // static
  52 double RelativeSizeHelper::calculate(
  53     double fValue,
  54     const Size & rOldReferenceSize,
  55     const Size & rNewReferenceSize )
  56 {
  57     if( rOldReferenceSize.Width <= 0 ||
  58         rOldReferenceSize.Height <= 0 )
  59         return fValue;
  60
  61     return min(
  62         static_cast< double >( rNewReferenceSize.Width )  / static_cast< double >( rOldReferenceSize.Width ),
  63         static_cast< double >( rNewReferenceSize.Height ) / static_cast< double >( rOldReferenceSize.Height ))
  64         * fValue;
  65 }
  66
  67 // static
  68 void RelativeSizeHelper::adaptFontSizes(
  69     const Reference< XPropertySet > & xTargetProperties,
  70     const Size & rOldReferenceSize,
  71     const Size & rNewReferenceSize )
  72 {
  73     if( ! xTargetProperties.is())
  74         return;
  75
  76     float fFontHeight = 0;
  77
  78     vector< OUString > aProperties;
  79     aProperties.push_back( OUString( RTL_CONSTASCII_USTRINGPARAM( "CharHeight" )));
  80     aProperties.push_back( OUString( RTL_CONSTASCII_USTRINGPARAM( "CharHeightAsian" )));
  81     aProperties.push_back( OUString( RTL_CONSTASCII_USTRINGPARAM( "CharHeightComplex" )));
  82
  83     for( vector< OUString >::const_iterator aIt = aProperties.begin();
  84          aIt != aProperties.end(); ++aIt )
  85     {
  86         try
  87         {
  88             if( xTargetProperties->getPropertyValue( *aIt ) >>= fFontHeight )
  89             {
  90                 xTargetProperties->setPropertyValue(
  91                     *aIt,
  92                     makeAny( static_cast< float >(
  93                                  calculate( fFontHeight, rOldReferenceSize, rNewReferenceSize ))));
  94             }
  95         }
  96         catch( const Exception & ex )
  97         {
  98             ASSERT_EXCEPTION( ex );
  99         }
 100     }
 101 }
 102
 103 } //  namespace chart