Bug 212102 [Smoke] The chart is in distortion when preview [13]
Description: The chart is in distortion when preview. Build number: 2.2.2.v20071101-0630 Steps to reproduce: 1. New a report with a chart, preview. 2. Change the size of chart, preview. Expected result: Chart is previewed correctly. Actual result: The chart is in distortion when preview. Error log: N/A
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/presentation/LocalizedContentVisitor.java
case IReportItemPresentation.OUTPUT_AS_CUSTOM :
				IDataContent dataObj = reportContent.createDataContent( content );
				dataObj.setValue( output );
				processData( dataObj );
				return dataObj;
			case IReportItemPresentation.OUTPUT_AS_HTML_TEXT :
				content.setRawType( IForeignContent.HTML_TYPE );
				content.setRawValue( output.toString( ) );
				return content;
			case IReportItemPresentation.OUTPUT_AS_TEXT :
				ITextContent textObj = reportContent.createTextContent( );
				textObj.setText( output.toString( ) );
				return textObj;
				
			default :
				assert false;
				logger.log( Level.WARNING, "unsupported output format:{0}", 
						new Integer( type ) );
		}
		return content;
	}
	/**
	 * read the content of input stream.
	 * 
	 * @param in
	 *            input content
	 * @return content in the stream.
	 */
	static protected byte[] readContent( InputStream in )
	{