| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #ifndef INCLUDED_BASEBMP_ITERATORTRAITS_HXX |
| #define INCLUDED_BASEBMP_ITERATORTRAITS_HXX |
| |
| #include <basebmp/accessor.hxx> |
| #include <basebmp/nonstandarditerator.hxx> |
| |
| namespace basebmp |
| { |
| |
| template< class Iterator > struct IteratorTraits |
| { |
| /// VigraTrueType, if iterator does not provide *operator()/operator[] methods |
| typedef typename vigra::IsDerivedFrom<Iterator,NonStandardIterator>::result |
| isNonStandardIterator; |
| |
| /// Retrieve default accessor for this iterator (and given value type) |
| template< typename ValueType > struct defaultAccessor : public |
| // select according to non-standardness of iterator type |
| vigra::If< isNonStandardIterator, |
| NonStandardAccessor< ValueType >, |
| StandardAccessor< ValueType > > |
| {}; |
| |
| }; |
| |
| } // namespace basebmp |
| |
| #endif /* INCLUDED_BASEBMP_ITERATORTRAITS_HXX */ |
