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21 
22 
23 
24 #ifndef INCLUDED_BASEBMP_ITERATORTRAITS_HXX
25 #define INCLUDED_BASEBMP_ITERATORTRAITS_HXX
26 
27 #include <basebmp/accessor.hxx>
28 #include <basebmp/nonstandarditerator.hxx>
29 
30 namespace basebmp
31 {
32 
33 template< class Iterator > struct IteratorTraits
34 {
35     /// VigraTrueType, if iterator does not provide *operator()/operator[] methods
36     typedef typename vigra::IsDerivedFrom<Iterator,NonStandardIterator>::result
37             isNonStandardIterator;
38 
39     /// Retrieve default accessor for this iterator (and given value type)
40     template< typename ValueType > struct defaultAccessor : public
41         // select according to non-standardness of iterator type
42         vigra::If< isNonStandardIterator,
43             NonStandardAccessor< ValueType >,
44             StandardAccessor< ValueType > >
45     {};
46 
47 };
48 
49 } // namespace basebmp
50 
51 #endif /* INCLUDED_BASEBMP_ITERATORTRAITS_HXX */
52