api-methods-getimage-data

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>ZingSoft Demo</title>

  <script nonce="undefined" src="https://cdn.zingchart.com/zingchart.min.js"></script>
  <style>
    html,
    body {
      height: 100%;
      width: 100%;
      margin: 0;
      padding: 0;
    }

    #myChart {
      width: 100%;
      min-height: 150px;
    }

    .zc-ref {
      display: none;
    }
  </style>
</head>

<body>
  <button id="test_export">Export Chart</button>
  <div id="demo-chart"><a class="zc-ref" href="https://www.zingchart.com">Powered by ZingChart</a></div>
  <hr>
  <img src="" id="output_image">
  <script>
    ZC.LICENSE = ["569d52cefae586f634c54f86dc99e6a9", "b55b025e438fa8a98e32482b5f768ff5"];
    var myConfig = {
      type: 'bar',
      stacked: true,
      scaleY: {
        markers: [{
          type: 'line',
          range: [50, 150], //you need to determine these values
          lineColor: 'blue',
          placement: 'top',
          lineWidth: 2
        }]
      },
      legend: {},
      scaleX: {
        zooming: true,
        zoomTo: [2, 5]
      },
      scrollX: {},
      series: [{
          values: [35, 42, 67, 99, 35, 54, 34],
          text: 'This is for blue'
        },
        {
          values: [34, 67, 85, 22, 12, 44, 62],
          text: 'This is for red'
        }
      ]
    };

    zingchart.render({
      id: 'demo-chart',
      data: myConfig,
      height: 400,
      width: '100%',
      //output: 'svg' // default output is SVG
    });

    test_export.addEventListener('click', function() {
      zingchart.exec('demo-chart', 'getimagedata', {
        filetype: 'png',
        callback: function(imagedata) {
          console.log(imagedata);
          document.getElementById('output_image').src = imagedata;
        }
      });
    });
  </script>
</body>

</html>

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>ZingSoft Demo</title>

  <script src="https://cdn.zingchart.com/zingchart.min.js"></script>
</head>

<body>
  <button id="test_export">Export Chart</button>
  <div id="demo-chart"><a class="zc-ref" href="https://www.zingchart.com">Powered by ZingChart</a></div>
  <hr>
  <img src="" id="output_image">
</body>

</html>

html,
body {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
}

#myChart {
  width: 100%;
  min-height: 150px;
}

.zc-ref {
  display: none;
}

var myConfig = {
  type: 'bar',
  stacked: true,
  scaleY: {
    markers: [{
      type: 'line',
      range: [50, 150], //you need to determine these values
      lineColor: 'blue',
      placement: 'top',
      lineWidth: 2
    }]
  },
  legend: {},
  scaleX: {
    zooming: true,
    zoomTo: [2, 5]
  },
  scrollX: {},
  series: [{
      values: [35, 42, 67, 99, 35, 54, 34],
      text: 'This is for blue'
    },
    {
      values: [34, 67, 85, 22, 12, 44, 62],
      text: 'This is for red'
    }
  ]
};

zingchart.render({
  id: 'demo-chart',
  data: myConfig,
  height: 400,
  width: '100%',
  //output: 'svg' // default output is SVG
});

test_export.addEventListener('click', function() {
  zingchart.exec('demo-chart', 'getimagedata', {
    filetype: 'png',
    callback: function(imagedata) {
      console.log(imagedata);
      document.getElementById('output_image').src = imagedata;
    }
  });
});