ENH: enable writing ISQ files

even when the ImageIO has not been used for reading
KitwareMedical · Feb 16, 2021 · 08e269a · 08e269a
1 parent c2be6fd
commit 08e269a
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diff --git a/include/itkScancoImageIO.h b/include/itkScancoImageIO.h
@@ -362,6 +362,8 @@ class IOScanco_EXPORT ScancoImageIO : public ImageIOBase
   // The compression mode, if any.
   int m_Compression;
 
+  bool m_HeaderInitialized = false;
+
   SizeValueType m_HeaderSize{ 0 };
 };
 } // end namespace itk

diff --git a/src/itkScancoImageIO.cxx b/src/itkScancoImageIO.cxx
@@ -294,6 +294,7 @@ ScancoImageIO::InitializeHeader()
   this->m_MuWater = 0;
 
   this->m_Compression = 0;
+  this->m_HeaderInitialized = true;
 }
 
 
@@ -1270,6 +1271,11 @@ ScancoImageIO::CanWriteFile(const char * name)
 void
 ScancoImageIO::WriteISQHeader(std::ofstream * file)
 {
+  if (!this->m_HeaderInitialized)
+  {
+    this->InitializeHeader();
+    this->SetVersion("CTDATA-HEADER_V1");
+  }
   delete[] this->m_RawHeader;
   this->m_RawHeader = new char[512];
   char * header = this->m_RawHeader;