Bug 212291 SWT Chart render engine always uses 96 DPI(Display) resolution
chart/org.eclipse.birt.chart.device.swt/src/org/eclipse/birt/chart/device/swt/SwtTextMetrics.java
{
			cachedWidth = gc.textExtent( oText[0] ).x;
		}
		return cachedWidth;
	}
	public final double getFullHeight( )
	{
		final Insets ins = la.getInsets( );
		return getHeight( ) * getLineCount( ) + ins.getTop( ) + ins.getBottom( );
	}
	public final double getFullWidth( )
	{
		final Insets ins = la.getInsets( );
		return stringWidth( ) + ins.getLeft( ) + ins.getRight( );
	}
	/**
	 * 
	 * @return The number of lines created due to the hard breaks inserted
	 */
	public final int getLineCount( )
	{
		return iLineCount;
	}
	/**
	 * 
	 * @return The line requested for
	 */
	public final String getLine( int iIndex )
	{
		return ( iLineCount > 1 ) ? oText[iIndex] : oText[0];