Bug 196419 Long string word in element will lost head and tail when preview as PDF[0004]
Description: Long string word in element will lost head and tail[0004] Step: 1.Input "labellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabellabel" in label or text. 2.Preview as PDF Actual result: It only privew the center of content on label and text. Please see the attached image
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFTextLM.java
topBorder = getDimensionValue(boxStyle.getProperty(StyleConstants.STYLE_BORDER_TOP_WIDTH));
			topPadding = getDimensionValue(boxStyle.getProperty(StyleConstants.STYLE_PADDING_TOP));
			bottomBorder = getDimensionValue(boxStyle.getProperty(StyleConstants.STYLE_BORDER_BOTTOM_WIDTH));
			bottomPadding  = getDimensionValue(boxStyle.getProperty(StyleConstants.STYLE_PADDING_BOTTOM));
		}
		
		public boolean compose()
		{
			while ( hasMore() )
			{
				handleNext();
				if(PDFTextLM.this.needPause())
				{
					return true;
				}
			}
			return false;
		}
		private boolean hasMore()
		{
			if (cg.hasMore())
				return true;
			else if ( null == chunk )
				return false;
			else
				if (currentPos < chunk.getText().length())
					return true;
				else
				{
					if (isInline)