Bug 161223 gantt chart legend in swing is rendered incorrectly
Create a Gantt Chart with a thick line View it in the preview pane The legend is rendered with rounded corners. It should be rendered as a rectangle like in SWT.
chart/org.eclipse.birt.chart.device.extension/src/org/eclipse/birt/chart/device/swing/SwingRendererImpl.java
* @param la
	 * @return
	 */
	protected static final int[][] getCoordinatesAsInts( Location[] la )
	{
		final int n = la.length;
		final int[] iaX = new int[n];
		final int[] iaY = new int[n];
		for ( int i = 0; i < n; i++ )
		{
			iaX[i] = (int) la[i].getX( );
			iaY[i] = (int) la[i].getY( );
		}
		return new int[][]{
				iaX, iaY
		};
	}
	/**
	 * Make bounds height/width always positive.
	 * 
	 * @param bo
	 * @return
	 */
	protected static final Bounds normalizeBounds( Bounds bo )
	{
		if ( bo.getHeight( ) < 0 )
		{
			bo.setTop( bo.getTop( ) + bo.getHeight( ) );
			bo.setHeight( -bo.getHeight( ) );
		}