将Highchart导出为PDF格式的结果分为2页

当我们以PDF格式导出图表时，我们得到的东西看起来像是PDF文件中的2页。现场演示它here。我们不确定是什么原因造成的。将Highchart导出为PDF格式的结果分为2页

当我们的出口，我们正在改变，像这样的图表属性：

chartMainLoc.exportChart(
    { 
    type: &#39;application/pdf&#39;, 
    sourceHeight: this.chartHeight, 
    sourceWidth: this.chartWidth, 
    scale: 1 
    }, 
    { 
    title: { 
     text: &#39;&lt;span style=&quot;font-weight:bold&quot;>Labor Force, Employment and Unemployment for Pinellas County in June, 2013&lt;/span>&lt;br />&lt;br />&lt;span style=&quot;font-weight:bold;font-size:9pt&quot;>Labor Force Graph&lt;/span>&lt;br />&lt;br />&lt;span style=&quot;font-size:10px; font-weight:normal&quot;>The graph below shows the monthly not seasonally adjusted Labor Force, Employment and Unemployment data for Pinellas County in June, 2013.&lt;/span>&#39; 
    }, 
    subtitle: { 
     text: &#39;Source: Labor Market Statistics, Local Area Unemployment Statistics Program and Online Advertised Job Data&lt;br />Downloaded: 06/10/2014 4:20 PM&#39; 
    }, 
    legend: { 
     y: -50 
    }, 
    chart: { 
     spacingLeft: 0, 
     spacingBottom: 10, 
     shadow: false, 
     height: chartMainLoc.chartHeight + 20 
    } 
    } 
)

来源

2014-06-10 wergeld