code: private boolean drawLine(FeatureTileGraphics graphics, Path2D line,
  			FeatureStyle featureStyle) {
  
  		Graphics2D lineGraphics = graphics.getLineGraphics();
  
  		Paint paint = getLinePaint(featureStyle);
  		lineGraphics.setColor(paint.getColor());
  		lineGraphics.setStroke(paint.getStroke());
  
  		boolean drawn = lineGraphics.hit(new java.awt.Rectangle(tileWidth,
  				tileHeight), line, true);
  		if (drawn) {
  			lineGraphics.draw(line);
  		}
  
  		return drawn;
  	}
docs: Draw the line
  
  @param graphics
  feature tile graphics
  @param line
  line path
  @param featureStyle
  feature style
  @return true if drawn