Bug 196272 Text position is incorrect in postscript and ppt.
Text position need to be ajusted according to baseline position.
engine/org.eclipse.birt.report.engine.emitter.ppt/src/org/eclipse/birt/report/engine/emitter/ppt/PPTWriter.java
*            the color of the line
	 */
	private void drawRawLine( double startX, double startY, double endX,
			double endY, double width, Color color, String lineStyle )
	{
		
		try
		{
			pptOutput.write( ( "<v:line id=3D\"" + ( ++shapeCount ) + "\"" ).getBytes( ) ); 
			pptOutput.write( ( " style=3D'position:absolute' from=3D\"" + startX + "pt," + startY + "pt\"" ).getBytes( ) ); 
			pptOutput.write( ( " to=3D\"" + endX + "pt," + endY + "pt\"" ).getBytes( ) );
			pptOutput.write( ( " strokecolor=3D\"#" + Integer.toHexString( color.getRGB( ) & 0x00ffffff ) + "\"" ).getBytes( ) ); 
			pptOutput.write( ( " strokeweight=3D\"" + width + "pt\"" ).getBytes( ) ); 
			if ( lineStyle.equalsIgnoreCase( "dashed" ) )
			{
				pptOutput.write( ( "<v:stroke dashstyle=3D\"dash\"/>\n" ).getBytes( ) );
			}
			else if ( lineStyle.equalsIgnoreCase( "dotted" ) )
			{
				pptOutput.write( ( "<v:stroke dashstyle=3D\"1 1\"/>\n" ).getBytes( ) );
			}
			else if ( lineStyle.equalsIgnoreCase( "double" ) )
			{
				pptOutput.write( ( "<v:stroke linestyle=3D\"thinThin\"/>\n" ).getBytes( ) );
			}
			else
			{
				pptOutput.write( ( "/>\n" ).getBytes( ) );
				return;
			}