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 : ICLGeom/src/ICLCore/DataSegmentBase.h ** 00010 ** Module : ICLGeom ** 00011 ** Authors: Christof Elbrechter, Patrick Nobou ** 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 <ICLUtils/BasicTypes.h> 00035 #include <ICLUtils/Exception.h> 00036 #include <algorithm> 00037 00038 namespace icl{ 00039 //forward declare PointCloudObjectBase to friend later 00040 namespace geom { 00041 class PointCloudObjectBase; 00042 } 00043 namespace core{ 00044 00046 template<class T,int N> struct DataSegment; 00049 00050 00099 struct ICLGeom_API DataSegmentBase{ 00101 friend class geom::PointCloudObjectBase; 00102 00103 protected: 00105 static inline int getSizeOf(core::depth d){ 00106 static const int lens[] = { 1, 2, 4, 4, 8 }; 00107 return lens[(int)d]; 00108 } 00109 00111 icl8u *data; 00112 00114 00120 size_t stride; 00121 00123 size_t numElements; 00124 00126 icl32s organizedWidth; // -1 if unorganized 00127 00129 core::depth dataDepth; 00130 00132 size_t elemDim; // number of elements (in Type units) 00133 00134 public: 00136 inline bool isOrganized() const { 00137 return organizedWidth > 0; 00138 } 00139 00141 inline utils::Size getSize() const { 00142 if(!isOrganized()) return utils::Size::null; 00143 else return utils::Size(organizedWidth, numElements/organizedWidth); 00144 } 00145 00147 inline int getStride() const { 00148 return stride; 00149 } 00150 00152 00153 inline int getDim() const{ 00154 return numElements; 00155 } 00156 00158 inline core::depth getDepth() const{ 00159 return dataDepth; 00160 } 00161 00163 inline int getElemDim() const{ 00164 return elemDim; 00165 } 00166 00168 00169 icl8u *getDataPointer() { return data; } 00170 00172 00173 const icl8u *getDataPointer() const { return data; } 00174 00176 inline DataSegmentBase(void *data=0, size_t stride=0, 00177 size_t numElements=0, icl32s organizedWidth=-1, 00178 core::depth dataDepth=core::depth8u, size_t elemDim=0): 00179 data((icl8u*)data),stride(stride),numElements(numElements), 00180 organizedWidth(organizedWidth),dataDepth(dataDepth),elemDim(elemDim){} 00181 00183 00190 template<class T, int N> 00191 const DataSegment<T,N> &as() const; 00192 00194 class ICLGeom_API Bytes{ 00195 icl8u *data; 00196 int len; 00197 00198 Bytes(icl8u *data=0, int len=0):data(data),len(len){} 00200 Bytes(const Bytes &other){} 00201 friend struct DataSegmentBase; 00202 public: 00203 00205 inline int getDim() const{ return len; } 00206 00208 icl8u &operator[](int idx) { return data[idx]; } 00209 00211 const icl8u operator[](int idx) const { return data[idx]; } 00212 00214 00215 inline Bytes &operator=(const Bytes &other) throw (utils::ICLException){ 00216 if(len != other.len){ 00217 throw utils::ICLException("unable to assign DataSegmentBase::Bytes: lengths differ!"); 00218 } 00219 std::copy(other.data,other.data+len,data); 00220 return *this; 00221 } 00222 00224 icl8u *begin() { return data; } 00225 00227 icl8u *end() { return data+len; } 00228 00230 const icl8u *begin() const { return data; } 00231 00233 const icl8u *end() const { return data+len; } 00234 00235 }; 00236 00238 inline Bytes operator[](int idx) { 00239 return Bytes(data+idx*stride*getSizeOf(dataDepth), elemDim*getSizeOf(dataDepth)); 00240 } 00241 00243 inline const Bytes operator[](int idx) const{ 00244 return const_cast<DataSegmentBase*>(this)->operator[](idx); 00245 } 00246 00248 inline Bytes operator()(int x, int y) { 00249 return operator[](x + organizedWidth * y ); 00250 } 00251 00253 inline const Bytes operator()(int x, int y) const{ 00254 return operator[](x + organizedWidth * y ); 00255 } 00256 }; 00257 00258 } // namespace core 00259 } 00260 00261