Image Component Library (ICL)
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00001 /******************************************************************** 00002 ** Image Component Library (ICL) ** 00003 ** ** 00004 ** Copyright (C) 2006-2013 CITEC, University of Bielefeld ** 00005 ** Neuroinformatics Group ** 00006 ** Website: www.iclcv.org and ** 00007 ** http://opensource.cit-ec.de/projects/icl ** 00008 ** ** 00009 ** File : ICLCore/src/ICLCore/PixelRef.h ** 00010 ** Module : ICLCore ** 00011 ** Authors: Christof Elbrechter ** 00012 ** ** 00013 ** ** 00014 ** GNU LESSER GENERAL PUBLIC LICENSE ** 00015 ** This file may be used under the terms of the GNU Lesser General ** 00016 ** Public License version 3.0 as published by the ** 00017 ** ** 00018 ** Free Software Foundation and appearing in the file LICENSE.GPL ** 00019 ** included in the packaging of this file. Please review the ** 00020 ** following information to ensure the license requirements will ** 00021 ** be met: http://www.gnu.org/licenses/lgpl-3.0.txt ** 00022 ** ** 00023 ** The development of this software was supported by the ** 00024 ** Excellence Cluster EXC 277 Cognitive Interaction Technology. ** 00025 ** The Excellence Cluster EXC 277 is a grant of the Deutsche ** 00026 ** Forschungsgemeinschaft (DFG) in the context of the German ** 00027 ** Excellence Initiative. ** 00028 ** ** 00029 ********************************************************************/ 00030 00031 #pragma once 00032 00033 #include <ICLCore/Types.h> 00034 #include <ICLUtils/SmartArray.h> 00035 #include <ICLUtils/Exception.h> 00036 #include <ICLUtils/Macros.h> 00037 #include <ICLMath/FixedMatrix.h> 00038 #include <ICLUtils/ClippedCast.h> 00039 00040 namespace icl{ 00041 namespace core{ 00043 00058 template<class T> 00059 class PixelRef{ 00060 00062 std::vector<T*> m_data; 00063 00064 public: 00065 00067 inline PixelRef(){} 00068 00070 inline bool isNull() const { return !m_data->size(); } 00071 00073 00074 inline PixelRef(int x, int y, int width, std::vector<utils::SmartArray<T> > &data): 00075 m_data(data.size()){ 00076 int offs = x+width*y; 00077 for(unsigned int i=0;i<data.size();++i){ 00078 this->m_data[i] = data[i].get()+offs; 00079 } 00080 } 00081 00083 inline PixelRef(const PixelRef &other):m_data(other.m_data){} 00084 00086 00091 inline PixelRef &operator=(const PixelRef &other)throw (utils::ICLException){ 00092 ICLASSERT_THROW(other.m_data.size() == m_data.size(),utils::ICLException("incompatible channel count")); 00093 for(unsigned int i=0;i<m_data.size();++i){ 00094 *m_data[i] = *other.m_data[i]; 00095 } 00096 return *this; 00097 } 00098 00100 inline PixelRef &operator=(const std::vector<T> &vec)throw (utils::ICLException){ 00101 ICLASSERT_THROW(vec.size() == m_data.size(),utils::ICLException("incompatible channel count")); 00102 for(unsigned int i=0;i<m_data.size();++i){ 00103 *m_data[i] = vec[i]; 00104 } 00105 return *this; 00106 } 00107 00109 00117 template<class MT,unsigned int COLS,unsigned int ROWS> 00118 inline PixelRef &operator=(const math::FixedMatrix<MT,COLS,ROWS> &mat)throw (utils::ICLException){ 00119 ICLASSERT_THROW((m_data.size() == math::FixedMatrix<MT,COLS,ROWS>::DIM), utils::ICLException("channel count and matrix dim are incompatible")); 00120 for(unsigned int i=0;i<m_data.size();++i){ 00121 *m_data[i] = utils::clipped_cast<MT,T>(mat[i]); 00122 } 00123 return *this; 00124 } 00125 00127 inline std::vector<T> asVec() const{ 00128 std::vector<T> v(m_data.size()); 00129 for(unsigned int i=0;i<m_data.size();++i){ 00130 v[i] = *m_data[i]; 00131 } 00132 return v; 00133 } 00134 00136 inline void set(const T &v0) { *m_data[0] = v0; } 00137 00139 inline void set(const T &v0, const T&v1) { set(v0); *m_data[1] = v1; } 00140 00142 inline void set(const T &v0, const T&v1, const T&v2) { set(v0,v1); *m_data[2] = v2; } 00143 00145 inline void set(const T &v0, const T&v1, const T&v2, const T &v3) { set(v0,v1,v2); *m_data[3] = v3; } 00146 00148 00149 template<class ForwardIterator> 00150 inline void setFromRange(ForwardIterator begin, ForwardIterator end) throw (utils::ICLException){ 00151 for(unsigned int i=0;i<m_data.size();++i,++begin){ 00152 if(begin == end) throw utils::ICLException("Range is longer then channel count"); 00153 *m_data[i] = *begin; 00154 } 00155 } 00156 00158 T &operator[](unsigned int channel) throw (utils::ICLException){ 00159 ICLASSERT_THROW(channel < m_data.size(),utils::ICLException("invalid channel index")); 00160 return *m_data[channel]; 00161 } 00162 00164 const T &operator[](unsigned int channel) const throw (utils::ICLException){ 00165 ICLASSERT_THROW(channel < m_data.size(),utils::ICLException("invalid channel index")); 00166 return *m_data[channel]; 00167 } 00168 00170 int getChannels() const { 00171 return (int)m_data.size(); 00172 } 00173 }; 00174 } // namespace core 00175 }