code: function(series) {
      var ctx = this.ctx,
        bw = series.gantt.barWidth,
        lw = Math.min(series.gantt.lineWidth, bw);
      
      ctx.save();
      ctx.translate(this.plotOffset.left, this.plotOffset.top);
      ctx.lineJoin = 'miter';
  
      /**
       * @todo linewidth not interpreted the right way.
       */
      ctx.lineWidth = lw;
      ctx.strokeStyle = series.color;
      
      ctx.save();
      this.gantt.plotShadows(series, bw, 0, series.gantt.fill);
      ctx.restore();
      
      if(series.gantt.fill){
        var color = series.gantt.fillColor || series.color;
        ctx.fillStyle = this.processColor(color, {opacity: series.gantt.fillOpacity});
      }
      
      this.gantt.plot(series, bw, 0, series.gantt.fill);
      ctx.restore();
    }
docs: Draws gantt series in the canvas element.
  @param {Object} series - Series with options.gantt.show = true.