/*========================================================================= * * Copyright Insight Software Consortium * * Licensed 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.txt * * 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 itkImageRegionConstIteratorWithOnlyIndex_hxx #define itkImageRegionConstIteratorWithOnlyIndex_hxx #include "itkImageRegionConstIteratorWithOnlyIndex.h" namespace itk { //---------------------------------------------------------------------- // Advance along the line //---------------------------------------------------------------------- template< typename TImage > ImageRegionConstIteratorWithOnlyIndex< TImage > & ImageRegionConstIteratorWithOnlyIndex< TImage > ::operator++() { this->m_Remaining = false; for ( unsigned int in = 0; in < TImage::ImageDimension; in++ ) { this->m_PositionIndex[in]++; if ( this->m_PositionIndex[in] < this->m_EndIndex[in] ) { this->m_Remaining = true; break; } else { this->m_PositionIndex[in] = this->m_BeginIndex[in]; } } return *this; } //---------------------------------------------------------------------- // Advance along the line in reverse direction //---------------------------------------------------------------------- template< typename TImage > ImageRegionConstIteratorWithOnlyIndex< TImage > & ImageRegionConstIteratorWithOnlyIndex< TImage > ::operator--() { this->m_Remaining = false; for ( unsigned int in = 0; in < TImage::ImageDimension; in++ ) { if ( this->m_PositionIndex[in] > this->m_BeginIndex[in] ) { this->m_PositionIndex[in]--; this->m_Remaining = true; break; } else { this->m_PositionIndex[in] = this->m_EndIndex[in] - 1; } } return *this; } } // end namespace itk #endif