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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_chart2.hxx"
30 #include "RelativeSizeHelper.hxx"
31 #include "macros.hxx"
32 
33 #include <vector>
34 #include <algorithm>
35 
36 using namespace ::com::sun::star::awt;
37 using namespace ::com::sun::star::beans;
38 using namespace ::std;
39 
40 using ::com::sun::star::uno::Reference;
41 using ::com::sun::star::uno::makeAny;
42 using ::com::sun::star::uno::Exception;
43 using ::rtl::OUString;
44 
45 namespace chart
46 {
47 
48 double RelativeSizeHelper::calculate(
49     double fValue,
50     const Size & rOldReferenceSize,
51     const Size & rNewReferenceSize )
52 {
53     if( rOldReferenceSize.Width <= 0 ||
54         rOldReferenceSize.Height <= 0 )
55         return fValue;
56 
57     return min(
58         static_cast< double >( rNewReferenceSize.Width )  / static_cast< double >( rOldReferenceSize.Width ),
59         static_cast< double >( rNewReferenceSize.Height ) / static_cast< double >( rOldReferenceSize.Height ))
60         * fValue;
61 }
62 
63 void RelativeSizeHelper::adaptFontSizes(
64     const Reference< XPropertySet > & xTargetProperties,
65     const Size & rOldReferenceSize,
66     const Size & rNewReferenceSize )
67 {
68     if( ! xTargetProperties.is())
69         return;
70 
71     float fFontHeight = 0;
72 
73     vector< OUString > aProperties;
74     aProperties.push_back( OUString( RTL_CONSTASCII_USTRINGPARAM( "CharHeight" )));
75     aProperties.push_back( OUString( RTL_CONSTASCII_USTRINGPARAM( "CharHeightAsian" )));
76     aProperties.push_back( OUString( RTL_CONSTASCII_USTRINGPARAM( "CharHeightComplex" )));
77 
78     for( vector< OUString >::const_iterator aIt = aProperties.begin();
79          aIt != aProperties.end(); ++aIt )
80     {
81         try
82         {
83             if( xTargetProperties->getPropertyValue( *aIt ) >>= fFontHeight )
84             {
85                 xTargetProperties->setPropertyValue(
86                     *aIt,
87                     makeAny( static_cast< float >(
88                                  calculate( fFontHeight, rOldReferenceSize, rNewReferenceSize ))));
89             }
90         }
91         catch( const Exception & ex )
92         {
93             ASSERT_EXCEPTION( ex );
94         }
95     }
96 }
97 
98 } //  namespace chart
99