Bug 183895 Legend Text Area Font properties do not take effect [0001]
Description: Legend Text Area Font properties do not take effect. Build number: 2.2.0.v20070424-0630 Steps to reproduce: 1. New a Chart. 2. In "Format Chart" tab, tick "Show Values", click "Block" button, Edit Font, set Font: Arial, Size:16, Color: Yellow, Style:Bold&Italic, Rotation: 45 degree. Expected result: Font properties take effect. Actual result: Font properties does not take effect. Error log: N/A
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/BaseRenderer.java
* This method validates the given datapoints.
	 */
	protected void validateNullDatapoint( DataPointHints[] dphs )
			throws ChartException
	{
		if ( dphs == null )
		{
			throw new ChartException( ChartEnginePlugin.ID,
					ChartException.VALIDATION,
					"exception.base.orthogonal.null.datapoint", 
					Messages.getResourceBundle( rtc.getULocale( ) ) );
		}
	}
	/**
	 * This method validates the dataset state from given series rendering
	 * hints.
	 */
	protected void validateDataSetCount( ISeriesRenderingHints isrh )
			throws ChartException
	{
		if ( ( isrh.getDataSetStructure( ) & ISeriesRenderingHints.BASE_ORTHOGONAL_OUT_OF_SYNC ) == ISeriesRenderingHints.BASE_ORTHOGONAL_OUT_OF_SYNC )
		{
			throw new ChartException( ChartEnginePlugin.ID,
					ChartException.VALIDATION,
					"exception.base.orthogonal.inconsistent.count", 
					new Object[]{
							new Integer( isrh.getBaseDataSet( ).size( ) ),
							new Integer( isrh.getOrthogonalDataSet( ).size( ) )
					},
					Messages.getResourceBundle( rtc.getULocale( ) ) );