14 #ifndef GDCMSEQUENCEOFFRAGMENTS_H
15 #define GDCMSEQUENCEOFFRAGMENTS_H
49 return SequenceLengthField;
54 SequenceLengthField = length;
61 void AddFragment(
Fragment const &item);
65 unsigned long ComputeByteLength()
const;
69 VL ComputeLength()
const;
72 bool GetBuffer(
char *buffer,
unsigned long length)
const;
73 bool GetFragBuffer(
unsigned int fragNb,
char *buffer,
unsigned long &length)
const;
75 SizeType GetNumberOfFragments()
const;
76 const Fragment& GetFragment(SizeType num)
const;
80 bool WriteBuffer(std::ostream &os)
const;
85 template <
typename TSwap>
86 std::istream&
Read(std::istream &is)
88 assert( SequenceLengthField.IsUndefined() );
89 ReadPreValue<TSwap>(is);
90 return ReadValue<TSwap>(is);
93 template <
typename TSwap>
100 Table.Read<TSwap>(is);
107 is.seekg(-4, std::ios::cur);
108 if (
Table.GetTag() ==
Tag(0xd8ff,0xe0ff) )
111 is.seekg( 8340, std::ios::cur );
114 Fragments.push_back( frag );
119 throw "Catch me if you can";
126 template <
typename TSwap>
129 const Tag seqDelItem(0xfffe,0xe0dd);
134 while( frag.
Read<TSwap>(is) && frag.
GetTag() != seqDelItem )
137 Fragments.push_back( frag );
139 assert( frag.
GetTag() == seqDelItem && frag.
GetVL() == 0 );
144 #ifdef GDCM_SUPPORT_BROKEN_IMPLEMENTATION
150 if( frag.
GetTag() ==
Tag(0xfffe,0xe000) )
152 gdcmWarningMacro(
"Pixel Data Fragment could be corrupted. Use file at own risk" );
153 Fragments.push_back( frag );
157 else if ( frag.
GetTag() ==
Tag(0xddff,0x00e0) )
159 assert( Fragments.size() == 1 );
160 const ByteValue *bv = Fragments[0].GetByteValue();
161 assert( (
unsigned char)bv->GetPointer()[ bv->GetLength() - 1 ] == 0xfe );
163 Fragments[0].SetByteValue( bv->GetPointer(), bv->GetLength() - 1 );
165 " at the end: stripped !" );
178 assert( Fragments.size() );
179 const size_t lastf = Fragments.size() - 1;
180 const ByteValue *bv = Fragments[ lastf ].GetByteValue();
182 assert( (
unsigned char)a[ bv->
GetLength() - 1 ] == 0xfe );
184 is.seekg( -9, std::ios::cur );
189 Fragments.push_back( frag );
191 assert( frag.
GetTag() == seqDelItem && frag.
GetVL() == 0 );
198 << Fragments.size() <<
" Offset " << is.tellg() <<
". Use file at own risk."
207 template <
typename TSwap>
208 std::ostream
const &
Write(std::ostream &os)
const
210 if( !
Table.Write<TSwap>(os) )
212 assert(0 &&
"Should not happen");
217 it->Write<TSwap>(os);
220 const Tag seqDelItem(0xfffe,0xe0dd);
221 seqDelItem.
Write<TSwap>(os);
223 zero.
Write<TSwap>(os);
239 void Print(std::ostream &os)
const {
240 os <<
"SQ L= " << SequenceLengthField <<
"\n";
241 os <<
"Table:" <<
Table <<
"\n";
244 os <<
" " << *it <<
"\n";
246 assert( SequenceLengthField.IsUndefined() );
248 const Tag seqDelItem(0xfffe,0xe0dd);
257 return Table == sqf.Table &&
258 SequenceLengthField == sqf.SequenceLengthField &&
259 Fragments == sqf.Fragments;
264 VL SequenceLengthField;
266 FragmentVector Fragments;
276 #endif //GDCMSEQUENCEOFFRAGMENTS_H