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27 #ifndef _CHART2_DATEHELPER_HXX
28 #define _CHART2_DATEHELPER_HXX
29 
30 #include <com/sun/star/chart2/XScaling.hpp>
31 #include <tools/date.hxx>
32 
33 //.............................................................................
34 namespace chart
35 {
36 //.............................................................................
37 
38 //-----------------------------------------------------------------------------
39 /**
40 */
41 
42 class DateHelper
43 {
44 public:
45     static bool IsInSameYear( const Date& rD1, const Date& rD2 );
46     static bool IsInSameMonth( const Date& rD1, const Date& rD2 );
47 
48     static long GetMonthsBetweenDates( Date aD1, Date aD2 );
49     static Date GetDateSomeMonthsAway( const Date& rD, long nMonthDistance );
50     static Date GetDateSomeYearsAway( const Date& rD, long nYearDistance );
51     static bool IsLessThanOneMonthAway( const Date& rD1, const Date& rD2 );
52     static bool IsLessThanOneYearAway( const Date& rD1, const Date& rD2 );
53 
54     static double RasterizeDateValue( double fValue, const Date& rNullDate, long TimeResolution );
55 };
56 
57 //.............................................................................
58 } //namespace chart
59 //.............................................................................
60 #endif
61