Bug 156658 Error occour when previewing a text with a style set word-spacing 20cm in PDF
Description: Error occour when previewing a text with a style set word-spacing 20cm Steps to reproduce: 1.new a text and input some text like "actuate great" 2.new a style and set word-spacing 20cm then apply it to the text 3.Preview in PDF Expected: No error occour Actual: Error occour Error log: org.eclipse.birt.report.service.api.ReportServiceException: Error happened while running the report
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFTextLM.java
import org.eclipse.birt.report.engine.content.ITextContent;
import org.eclipse.birt.report.engine.css.dom.AreaStyle;
import org.eclipse.birt.report.engine.css.dom.ComputedStyle;
import org.eclipse.birt.report.engine.css.engine.StyleConstants;
import org.eclipse.birt.report.engine.executor.IReportItemExecutor;
import org.eclipse.birt.report.engine.layout.ITextLayoutManager;
import org.eclipse.birt.report.engine.layout.PDFConstants;
import org.eclipse.birt.report.engine.layout.area.IArea;
import org.eclipse.birt.report.engine.layout.area.impl.AbstractArea;
import org.eclipse.birt.report.engine.layout.area.impl.AreaFactory;
import org.eclipse.birt.report.engine.layout.area.impl.ContainerArea;
import org.eclipse.birt.report.engine.layout.pdf.font.FontInfo;
import org.eclipse.birt.report.engine.layout.pdf.hyphen.DefaultHyphenationManager;
import org.eclipse.birt.report.engine.layout.pdf.hyphen.DefaultWordRecognizer;
import org.eclipse.birt.report.engine.layout.pdf.hyphen.Hyphenation;
import org.eclipse.birt.report.engine.layout.pdf.hyphen.IHyphenationManager;
import org.eclipse.birt.report.engine.layout.pdf.hyphen.IWordRecognizer;
import org.eclipse.birt.report.engine.layout.pdf.hyphen.Word;
import org.eclipse.birt.report.engine.layout.pdf.text.Chunk;
import org.eclipse.birt.report.engine.layout.pdf.text.ChunkGenerator;
import org.eclipse.birt.report.engine.layout.pdf.util.PropertyUtil;
/**
 * 
 * This layout mananger implements formatting and locating of text chunk.
 * <p>
 * A text chunk can contain hard line break(such as "\n", "\n\r"). This layout
 * manager splits a text content to many text chunk due to different actual
 * font, soft line break etc.
 */
public class PDFTextLM extends PDFLeafItemLM implements ITextLayoutManager