Bug 313459 Problem with % when generating images in tables.
See the attached BirtProject, it has two reports. Each identical except for this difference: The image width/height is set to a %age value (50%) in one (TestImage.rptdesign) and not-set in the other (TestImageWorking.rptdesign). TestImage.rptdesign does not display the image in pdf, but works fine in html. TestImageWorking.rptdesign shows the image in both pdf and html. The %age setting seems to cause the problem in pdf format.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/nLayout/area/impl/ImageAreaLayout.java
{
					parent.add( root );
					root.finished = true;
					parent.update( root );
					return;
				}
			}
			else
			{
				parent.add( root );
				if ( !parent.isInInlineStacking && context.isAutoPageBreak( ) )
				{
					int aHeight = root.getAllocatedHeight( );
					if ( aHeight + parent.getAbsoluteBP( ) > context.getMaxBP( ) )
					{
						parent.autoPageBreak( );
					}
				}
				root.finished = true;
				parent.update( root );
			}
		}
		protected void init( ) throws BirtException
		{
			if ( PropertyUtil.isInlineElement( image ) )
			{
				root = new ImageInlineContainer( parent, context, image );
			}
			else
			{