Method GetE57Root

plugins/e57/libE57Format/src/ReaderImpl.cpp:224–267

Returns the file header information in fileHeader

   // Returns the file header information in fileHeader
   bool ReaderImpl::GetE57Root( E57Root &fileHeader ) const
   {
      if ( !IsOpen() )
      {
         return false;
      }

      fileHeader = {};

      fileHeader.formatName = StringNode( root_.get( "formatName" ) ).value();
      fileHeader.versionMajor =
         static_cast<uint32_t>( IntegerNode( root_.get( "versionMajor" ) ).value() );
      fileHeader.versionMinor =
         static_cast<uint32_t>( IntegerNode( root_.get( "versionMinor" ) ).value() );
      fileHeader.guid = StringNode( root_.get( "guid" ) ).value();
      if ( root_.isDefined( "e57LibraryVersion" ) )
      {
         fileHeader.e57LibraryVersion = StringNode( root_.get( "e57LibraryVersion" ) ).value();
      }

      if ( root_.isDefined( "coordinateMetadata" ) )
      {
         fileHeader.coordinateMetadata = StringNode( root_.get( "coordinateMetadata" ) ).value();
      }

      if ( root_.isDefined( "creationDateTime" ) )
      {
         const StructureNode creationDateTime( root_.get( "creationDateTime" ) );

         fileHeader.creationDateTime.dateTimeValue =
            FloatNode( creationDateTime.get( "dateTimeValue" ) ).value();

         if ( creationDateTime.isDefined( "isAtomicClockReferenced" ) )
         {
            fileHeader.creationDateTime.isAtomicClockReferenced = static_cast<int32_t>(
               IntegerNode( creationDateTime.get( "isAtomicClockReferenced" ) ).value() );
         }
      }

      fileHeader.data3DSize = data3D_.childCount();
      fileHeader.images2DSize = images2D_.childCount();

      return true;
   }

   int64_t ReaderImpl::GetImage2DCount() const
   {