igDataChart exportImage method throws error

[RivaIvanova]

Description

When using the exportImage method:

var img = $('#chart').igDataChart("exportImage", $('#chart').width(), $('#chart').height());

an error is thrown:

infragistics.dv.js:980 Uncaught ReferenceError: _getImageHelper is not defined
    at Class._getImage (infragistics.dv.js:980:23837)
    at e.<computed>.<computed>.exportImage (infragistics.dv.js:1125:12357)
    at e.<computed>.<computed>.exportImage (all.js:14:7983)
    at HTMLDivElement.<anonymous> (all.js:14:8989)
    at Function.each (all.js:4:2975)
    at m.fn.init.each (all.js:4:835)
    at e.fn.<computed> [as igDataChart] (all.js:14:8872)
    at ExportImage (export-image:4286:35)
    at HTMLInputElement.onclick (export-image:4230:98)

It seems that the _getImageHelper function is defined in $.ig.TriangulationDataSource, but it is used in the _getImage function of the $.ig.dvCommonWidget where the error is thrown.

_getImage: function(width, height, chart) {
    var imgElement = document.createElement("img");
    imgElement.src = _getImageHelper(width, height, chart, "image/png");
    return imgElement;
},

• ignite-ui version: 24.1
• browser: any

Steps to reproduce

1. Open the Data Chart - Export image sample.
2. Click the Export as image button.
3. Observe the DevTools Console.

Result

An error is thrown and the chart is not exported as an image.

Expected result

No errors and the chart should be exported as an image.

Attachments

Attach a sample if available, and screenshots, if applicable.