Bug 154975 Column width of Table and Grid doesn't support 0% in PDF
Column width of Table and Grid doesn't support 0% Steps to reproduce: 1.new a table or grid 3*3 2.Set the width of the three columns to 0%,70%,30% and set different colors to them 3.Preview it in PDF Expected result: Column width will be displayed the same with the percentage. Actual result: Each column takes up 1/3 of the width
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFTableLM.java
int offset = cell.getContentHeight( ) - totalHeight;
			if ( offset > 0 )
			{
				if ( IStyle.BOTTOM_VALUE.equals( verticalAlign ) )
				{
					iter = cell.getChildren( );
					while ( iter.hasNext( ) )
					{
						AbstractArea child = (AbstractArea) iter.next( );
						child.setAllocatedPosition( child.getAllocatedX( ),
								child.getAllocatedY( ) + offset );
					}
				}
				else if ( IStyle.MIDDLE_VALUE.equals( verticalAlign ) )
				{
					iter = cell.getChildren( );
					while ( iter.hasNext( ) )
					{
						AbstractArea child = (AbstractArea) iter.next( );
						child.setAllocatedPosition( child.getAllocatedX( ),
								child.getAllocatedY( ) + offset / 2 );
					}
				}
			}
		}
		
		CSSValue align = content.getComputedStyle( ).getProperty( IStyle.STYLE_TEXT_ALIGN );
		
		if ( ( IStyle.RIGHT_VALUE.equals(  align ) || IStyle.CENTER_VALUE
				.equals( align ) ) )