Bug 160641 Image from Fragments can not be preview
Details: Image from Fragments can not be preview Step: 1.New an image and select "Image file in BIRT resource folder" 2.Select the image that in Fragments. 3.Preview Actual result: The image can not be preview Excepted result: The image can be preview
engine/org.eclipse.birt.report.engine.emitter.pdf/src/org/eclipse/birt/report/engine/emitter/pdf/PDFEmitter.java
* @return				the PDF Y coordinate
		 */
		private float layoutAreaY2PDFEx (int layoutY, int areaHeight, float containerHeight)
		{
			return containerHeight - pdfMeasure(layoutY) - pdfMeasure(areaHeight);
		}
	    
		/**
		 * Sets current area as a bookmark. 
		 * If the current area does NOT contain any bookmark info,
		 * this method does nothing.
		 * 
		 * @param area			the area which may need to be marked. 
		 * @param curPos 		the position, relative to the page, of the area's container.
		 */
		private void makeBookmark(IArea area, ContainerPosition curPos) 
		{
			IContent content = area.getContent();
			if( null != content )
			{
				int areaY = curPos.y + area.getY();
				String bookmark = content.getBookmark();
				if (null != bookmark)
				{
					cb.localDestination( bookmark, new PdfDestination(
							PdfDestination.XYZ, -1, layoutPointY2PDF(areaY), 0));
				}
			}
		}