Bug 123736 Underline, linethrough, overline doesn't work for chart font.
Description: Underline, linethrough, overline doesn't work for chart font. Steps to teproduce: 1. Add a style, set its font. 2. Tick "underline", "linethrough" and "overline". 3. Preview. Font setting doesn't work.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/util/ChartUtil.java
* @param dAngle
	 * @return
	 */
	public static final int getQuadrant( double dAngle )
	{
		dAngle = dAngle - ( ( (int) dAngle ) / 360 ) * 360;
		if ( dAngle < 0 )
		{
			dAngle += 360;
		}
		if ( dAngle == 0 )
		{
			return -1;
		}
		if ( dAngle == 90 )
		{
			return -2;
		}
		if ( dAngle == 180 )
		{
			return -3;
		}
		if ( dAngle == 270 )
		{
			return -4;
		}
		if ( dAngle >= 0 && dAngle < 90 )
		{
			return 1;
		}