FIX: DenFrame2DReaderItk

Making some fields in DenFrame2DReader protected to be accessible to its child class DenFrame2DReaderItk

include/DEN/DenFrame2DReader.hpp

@@ -50,13 +50,14 @@ namespace io {
         uint32_t dimz() const override;
         std::string getFileName() const;
         /**Returns file name of the underlying DEN file.**/
-    private:
+	protected:
         std::string denFile;
         uint64_t offset;
         // protected: // Visible in inheritance structure
         uint32_t sizex, sizey, sizez;
         DenSupportedType dataType;
         int elementByteSize;
+    private:
         mutable std::mutex* consistencyMutexes;
         uint8_t** buffers;
         T** buffer_copys;

include/DENITK/DenFrame2DReaderItk.hpp

@@ -38,10 +38,9 @@ namespace io {
     {
         //  LOGD << "Called readProjectionSliceToItkImage method, transpose???";
         typename itk::RawImageIO<T, 2>::Pointer rawImageIO = itk::RawImageIO<T, 2>::New();
-        rawImageIO->SetFileName(this->denFile); //(1) ... this is probably unnecessery
+        rawImageIO->SetFileName(this->getFileName()); //(1) ... this is probably unnecessery
         rawImageIO->SetFileTypeToBinary();
-        uint32_t offset = 6;
-        rawImageIO->SetHeaderSize(offset + i * this->elementByteSize * (this->sizex * this->sizey));
+        rawImageIO->SetHeaderSize(this->offset + i * this->elementByteSize * (this->sizex * this->sizey));
         rawImageIO->SetFileDimensionality(2);
 
         rawImageIO->SetOrigin(0, 0.0); // origin in millimeters