Bug 211978 [Automation][Acceptance]Exception is thrown out when preview report in PDF
Description: Exception is thrown out when preview report in PDF Test Date: 20071205 Test Build: BIRT2.3.0 DailyBuildv20071205 0800 Step to reproduce: 1. Use the report attached 2. Preview it in PDF Expect result: Report should be previewed without any exception Actual result: A StringIndexOUtOfBoundsException is thrown out
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFTextLM.java
+ letterSpacing * str.length() + wordSpacing;
				
			
			if (isInline)
			{
				if (isAtLast(chunk.getOffset() + currentPos + str.length()))
				{
					rightSpaceHolder = rightMargin + rightBorder + rightPadding;
					freeSpace -= rightSpaceHolder;
				}
			}		
			
			if( maxLineSpace < chunk.getFontInfo().getWordWidth(str)* PDFConstants.LAYOUT_TO_PDF_RATIO 
					+ letterSpacing * str.length()+ wordSpacing )
			{
				if ( 0 == str.length() )
				{
					vestigeIndex = -1;
					vestigeLength = 0;
					return;
				}
				Dimension d = new Dimension( 
						(int)(chunk.getFontInfo().getWordWidth(str)* PDFConstants.LAYOUT_TO_PDF_RATIO) 
						+ letterSpacing * str.length()+ wordSpacing, 
						(int)(chunk.getFontInfo().getWordHeight() * PDFConstants.LAYOUT_TO_PDF_RATIO ));
				
				String originalText = str;
				
				IArea builtArea = buildArea(getReverseText(originalText), content, 
						 chunk.getFontInfo(), d);