Bug 164601 It takes ages to display a report with label of very large font size.
Description: It takes ages to display a report with label of very large font size. Steps to reproduce: 1. Insert two labels 2. Set one font weight to 100 and the other to 900 3. Preview in pdf/html Expected result: Show different weight. Actual result: In html, you can see font-weight effect In pdf, the report never displayed. PS.If I change the font size to a small number, say 20, the report in pdf is generated immediated.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFTextLM.java
{        
			if ( isInline )
			{
				return createInlineTextArea( text, content, fi, dimension );
			}
			else
			{
				return createBlockTextArea( text, content, fi, dimension );
			}
		}
		
		/**
		 * Gets the hyphenation index
		 * 
		 * @param startIndex			    the start index
		 * @param width						the width of the free space 
		 * @param hyphenation				the hyphenation
		 * @param fi						the FontInfo object of the text to be hyphened.
		 * @return 							the hyphenation index
		 */
		private int hyphen(int startIndex, int width,
				Hyphenation hyphenation, FontInfo fi) 
		{
			assert (startIndex >= 0);
			if (startIndex > hyphenation.length() - 1) 
			{
				return -1;
			}
			int last = 0;
			int current = 0;