Method ReadImage2D

plugins/e57/libE57Format/src/ReaderImpl.cpp:275–488

Returns the Image2Ds header and positions the cursor

   // Returns the Image2Ds header and positions the cursor
   bool ReaderImpl::ReadImage2D( int64_t imageIndex, Image2D &image2DHeader ) const
   {
      if ( !IsOpen() )
      {
         return false;
      }
      if ( ( imageIndex < 0 ) || ( imageIndex >= images2D_.childCount() ) )
      {
         return false;
      }

      image2DHeader = {};

      const StructureNode image( images2D_.get( imageIndex ) );

      image2DHeader.guid = StringNode( image.get( "guid" ) ).value();

      if ( image.isDefined( "name" ) )
      {
         image2DHeader.name = StringNode( image.get( "name" ) ).value();
      }

      if ( image.isDefined( "description" ) )
      {
         image2DHeader.description = StringNode( image.get( "description" ) ).value();
      }

      if ( image.isDefined( "sensorVendor" ) )
      {
         image2DHeader.sensorVendor = StringNode( image.get( "sensorVendor" ) ).value();
      }
      if ( image.isDefined( "sensorModel" ) )
      {
         image2DHeader.sensorModel = StringNode( image.get( "sensorModel" ) ).value();
      }
      if ( image.isDefined( "sensorSerialNumber" ) )
      {
         image2DHeader.sensorSerialNumber = StringNode( image.get( "sensorSerialNumber" ) ).value();
      }

      if ( image.isDefined( "associatedData3DGuid" ) )
      {
         image2DHeader.associatedData3DGuid =
            StringNode( image.get( "associatedData3DGuid" ) ).value();
      }

      if ( image.isDefined( "acquisitionDateTime" ) )
      {
         const StructureNode acquisitionDateTime( image.get( "acquisitionDateTime" ) );

         image2DHeader.acquisitionDateTime.dateTimeValue =
            FloatNode( acquisitionDateTime.get( "dateTimeValue" ) ).value();

         if ( acquisitionDateTime.isDefined( "isAtomicClockReferenced" ) )
         {
            image2DHeader.acquisitionDateTime.isAtomicClockReferenced = static_cast<int32_t>(
               IntegerNode( acquisitionDateTime.get( "isAtomicClockReferenced" ) ).value() );
         }