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,
bool readvalues =
true)
88 assert( SequenceLengthField.IsUndefined() );
89 ReadPreValue<TSwap>(is);
90 return ReadValue<TSwap>(is, readvalues);
93 template <
typename TSwap>
100 Table.Read<TSwap>(is);
108 is.seekg(-4, std::ios::cur);
111 if (
Table.GetTag() ==
Tag(0xd8ff,0xe0ff) )
116 if( FillFragmentWithJPEG( frag, is ) )
118 Fragments.push_back( frag );
124 throw "Catch me if you can";
131 template <
typename TSwap>
134 const Tag seqDelItem(0xfffe,0xe0dd);
139 while( frag.
Read<TSwap>(is) && frag.
GetTag() != seqDelItem )
142 Fragments.push_back( frag );
144 assert( frag.
GetTag() == seqDelItem && frag.
GetVL() == 0 );
149 #ifdef GDCM_SUPPORT_BROKEN_IMPLEMENTATION
155 if( frag.
GetTag() ==
Tag(0xfffe,0xe000) )
157 gdcmWarningMacro(
"Pixel Data Fragment could be corrupted. Use file at own risk" );
158 Fragments.push_back( frag );
162 else if ( frag.
GetTag() ==
Tag(0xddff,0x00e0) )
164 assert( Fragments.size() == 1 );
165 const ByteValue *bv = Fragments[0].GetByteValue();
166 assert( (
unsigned char)bv->GetPointer()[ bv->GetLength() - 1 ] == 0xfe );
168 Fragments[0].SetByteValue( bv->GetPointer(), bv->GetLength() - 1 );
170 " at the end: stripped !" );
183 assert( Fragments.size() );
184 const size_t lastf = Fragments.size() - 1;
185 const ByteValue *bv = Fragments[ lastf ].GetByteValue();
189 is.seekg( -9, std::ios::cur );
194 Fragments.push_back( frag );
196 assert( frag.
GetTag() == seqDelItem && frag.
GetVL() == 0 );
207 assert( Fragments.size() );
208 const size_t lastf = Fragments.size() - 1;
209 const ByteValue *bv = Fragments[ lastf ].GetByteValue();
213 is.seekg( -10, std::ios::cur );
218 Fragments.push_back( frag );
220 assert( frag.
GetTag() == seqDelItem && frag.
GetVL() == 0 );
232 assert( Fragments.size() );
233 const size_t lastf = Fragments.size() - 1;
234 const ByteValue *bv = Fragments[ lastf ].GetByteValue();
238 is.seekg( -11, std::ios::cur );
243 Fragments.push_back( frag );
245 assert( frag.
GetTag() == seqDelItem && frag.
GetVL() == 0 );
252 << Fragments.size() <<
" Offset " << is.tellg() <<
". Use file at own risk."
261 template <
typename TSwap>
262 std::ostream
const &
Write(std::ostream &os)
const
264 if( !
Table.Write<TSwap>(os) )
266 assert(0 &&
"Should not happen");
271 it->Write<TSwap>(os);
274 const Tag seqDelItem(0xfffe,0xe0dd);
275 seqDelItem.
Write<TSwap>(os);
277 zero.
Write<TSwap>(os);
293 void Print(std::ostream &os)
const {
294 os <<
"SQ L= " << SequenceLengthField <<
"\n";
295 os <<
"Table:" <<
Table <<
"\n";
298 os <<
" " << *it <<
"\n";
300 assert( SequenceLengthField.IsUndefined() );
302 const Tag seqDelItem(0xfffe,0xe0dd);
311 return Table == sqf.Table &&
312 SequenceLengthField == sqf.SequenceLengthField &&
313 Fragments == sqf.Fragments;
318 VL SequenceLengthField;
320 FragmentVector Fragments;
323 bool FillFragmentWithJPEG(
Fragment & frag, std::istream & is );
333 #endif //GDCMSEQUENCEOFFRAGMENTS_H