Bug 214005 [regression]In pdf, master page content lost.[1200]
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFPageLM.java
import org.eclipse.birt.report.engine.layout.area.IArea;
import org.eclipse.birt.report.engine.layout.area.IContainerArea;
import org.eclipse.birt.report.engine.layout.area.impl.AbstractArea;
import org.eclipse.birt.report.engine.layout.area.impl.ContainerArea;
import org.eclipse.birt.report.engine.layout.area.impl.LogicContainerArea;
import org.eclipse.birt.report.engine.layout.area.impl.PageArea;
import org.eclipse.birt.report.engine.layout.content.BlockStackingExecutor;
import org.eclipse.birt.report.engine.layout.pdf.text.Chunk;
import org.eclipse.birt.report.engine.layout.pdf.text.ChunkGenerator;
/**
 * 
 * TODO add multi-column support
 */
public class PDFPageLM extends PDFBlockContainerLM
		implements
			IBlockStackingLayoutManager
{
	final static int DEFAULT_PAGE_WIDTH = 595275;
	final static int DEFAULT_PAGE_HEIGHT = 841889;
	/**
	 * current page area
	 */
	protected PageArea page;
	protected IReportContent report;
	protected IPageContent pageContent;
	protected IReportExecutor reportExecutor = null;
	protected PDFReportLayoutEngine engine;
	protected IContentEmitter emitter;
	protected int pageNumber = 1;