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.pdf/src/org/eclipse/birt/report/engine/emitter/pdf/PDFPage.java
{
					textArray.add( spaceCorrection );
					textArray.add( text.substring( lastIdx, idx ) );
					lastIdx = idx;
				}
				textArray.add( spaceCorrection );
				textArray.add( text.substring( lastIdx ) );
				currentContentByte.showText( textArray );
			}
			else
			{
				currentContentByte.showText( text );
			}
		}
		else
		{
			currentContentByte.showText( text );
		}
		currentContentByte.endText( );
		currentContentByte.restoreState( );
	}
	private void drawLine( float textX, float textY, float width,
			float lineWidth, float verticalOffset, Color color,
			PdfContentByte contentByte )
	{
		textY = textY + verticalOffset;
		drawLine( textX, textY, textX + width, textY, lineWidth, color,
				"solid", contentByte ); 
	}
	private float transformY( float y )