Bug 197929 Fail to preview document from BIRT2.1.3 in BIRT2.2.1[0900]
Description: Fail to preview document from BIRT2.1.3 in BIRT2.2.1 in pdf format with frameset servlet Build number:2.2.1.v20070726 Steps to reproduce: 1. Preview attached document in web viewer. 2. Click Print As PDF button. Expected result: Display content in pdf. Actual result: damanged file. Error log:n/a
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/ir/EngineIRReader.java
cell.setColSpan( colSpan );
				break;
			case FIELD_ROW_SPAN :
				int rowSpan = IOUtil.readInt( in );
				cell.setRowSpan( rowSpan );
				break;
			case FIELD_DROP :
				String drop = IOUtil.readString( in );
				cell.setDrop( drop );
				break;
			case FIELD_DISPLAY_GROUP_ICON :
				boolean displayGroupIcon = IOUtil.readBool( in );
				cell.setDisplayGroupIcon( displayGroupIcon );
				break;
			default :
				readReportItemField( in, cell, fieldType );
		}
	}
	protected void readFreeForm( DataInputStream in, FreeFormItemDesign freeForm )
			throws IOException
	{
		while ( in.available( ) > 0 )
		{
			short fieldType = IOUtil.readShort( in );
			readFreeFormField( in, freeForm, fieldType );
		}
	}
	protected void readFreeFormField( DataInputStream in,
			FreeFormItemDesign freeForm, short fieldType ) throws IOException
	{