Bug 198909 page-break-after: avoid doesn't work in some special cases
page-break-after: avoid doesn't work in some special cases. Plese refer to attached report.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFImageLM.java
if ( specifiedHeight > 0 )
				{
					dim.setDimension( specifiedWidth, specifiedHeight );
				}
				else
				{
					dim.setDimension( specifiedWidth, intrinsic.getHeight( ) );
				}
			}
			else
			{
				if ( specifiedHeight > 0 )
				{
					dim.setDimension( intrinsic.getWidth( ), specifiedHeight );
				}
				else
				{
					dim.setDimension( intrinsic.getWidth( ), intrinsic
							.getHeight( ) );
				}
			}
		}
		return dim;
	}
	public boolean layoutChildren( )
	{
		if ( root == null )
		{
			return false;
		}