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.LGPL ** 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 <ICLUtils/CompatMacros.h> 00034 #include <ICLCore/Types.h> 00035 #include <ICLUtils/SmartArray.h> 00036 #include <ICLUtils/Exception.h> 00037 #include <ICLUtils/Macros.h> 00038 #include <ICLMath/FixedMatrix.h> 00039 #include <ICLUtils/ClippedCast.h> 00040 00041 namespace icl{ 00042 namespace core{ 00044 00059 template<class T> 00060 class PixelRef{ 00061 00063 std::vector<T*> m_data; 00064 00065 public: 00066 00068 inline PixelRef(){} 00069 00071 inline bool isNull() const { return !m_data->size(); } 00072 00074 00075 inline PixelRef(int x, int y, int width, std::vector<utils::SmartArray<T> > &data): 00076 m_data(data.size()){ 00077 int offs = x+width*y; 00078 for(unsigned int i=0;i<data.size();++i){ 00079 this->m_data[i] = data[i].get()+offs; 00080 } 00081 } 00082 00084 inline PixelRef(const PixelRef &other):m_data(other.m_data){} 00085 00087 00092 inline PixelRef &operator=(const PixelRef &other)throw (utils::ICLException){ 00093 ICLASSERT_THROW(other.m_data.size() == m_data.size(),utils::ICLException("incompatible channel count")); 00094 for(unsigned int i=0;i<m_data.size();++i){ 00095 *m_data[i] = *other.m_data[i]; 00096 } 00097 return *this; 00098 } 00099 00101 inline PixelRef &operator=(const std::vector<T> &vec)throw (utils::ICLException){ 00102 ICLASSERT_THROW(vec.size() == m_data.size(),utils::ICLException("incompatible channel count")); 00103 for(unsigned int i=0;i<m_data.size();++i){ 00104 *m_data[i] = vec[i]; 00105 } 00106 return *this; 00107 } 00108 00110 00118 template<class MT,unsigned int COLS,unsigned int ROWS> 00119 inline PixelRef &operator=(const math::FixedMatrix<MT,COLS,ROWS> &mat)throw (utils::ICLException){ 00120 ICLASSERT_THROW((m_data.size() == math::FixedMatrix<MT,COLS,ROWS>::DIM), utils::ICLException("channel count and matrix dim are incompatible")); 00121 for(unsigned int i=0;i<m_data.size();++i){ 00122 *m_data[i] = utils::clipped_cast<MT,T>(mat[i]); 00123 } 00124 return *this; 00125 } 00126 00128 inline std::vector<T> asVec() const{ 00129 std::vector<T> v(m_data.size()); 00130 for(unsigned int i=0;i<m_data.size();++i){ 00131 v[i] = *m_data[i]; 00132 } 00133 return v; 00134 } 00135 00137 inline void set(const T &v0) { *m_data[0] = v0; } 00138 00140 inline void set(const T &v0, const T&v1) { set(v0); *m_data[1] = v1; } 00141 00143 inline void set(const T &v0, const T&v1, const T&v2) { set(v0,v1); *m_data[2] = v2; } 00144 00146 inline void set(const T &v0, const T&v1, const T&v2, const T &v3) { set(v0,v1,v2); *m_data[3] = v3; } 00147 00149 00150 template<class ForwardIterator> 00151 inline void setFromRange(ForwardIterator begin, ForwardIterator end) throw (utils::ICLException){ 00152 for(unsigned int i=0;i<m_data.size();++i,++begin){ 00153 if(begin == end) throw utils::ICLException("Range is longer then channel count"); 00154 *m_data[i] = *begin; 00155 } 00156 } 00157 00159 T &operator[](unsigned int channel) throw (utils::ICLException){ 00160 ICLASSERT_THROW(channel < m_data.size(),utils::ICLException("invalid channel index")); 00161 return *m_data[channel]; 00162 } 00163 00165 const T &operator[](unsigned int channel) const throw (utils::ICLException){ 00166 ICLASSERT_THROW(channel < m_data.size(),utils::ICLException("invalid channel index")); 00167 return *m_data[channel]; 00168 } 00169 00171 int getChannels() const { 00172 return (int)m_data.size(); 00173 } 00174 }; 00175 } // namespace core 00176 }