If you want to customize the export more extensively, instead of the chart's exportChart method, use wijmo.exporter.exportChart to expose more settings. Here is an example of the method exporting a chart to Tiff format, suitable for faxing.

Note that in the receiver option, we call saveFile, which requires that you include the exportutils.js and FileSaver.js files in the same folder.

$("#exportImage").button().click(function () {
    var type = $("#exporttype").val();
    wijmo.exporter.exportChart({
        serviceUrl: getServiceUrl(),
        chart: $("#wijcompositechart").data("wijmo-wijcompositechart"),
        exportFileType: wijmo.exporter.ExportFileType[type],
        fileName: $("#fileName").val(),
        receiver: saveFile
    });
});

Settings

chart: a wijchart object, e.g. $("#wijbarchart").data("wijmo-wijbarchart")

exportFileType: wijmo.exporter.ExportFileType

valid values: Pdf, Png, Jpg, Bmp, Gif and Tiff

fileName: the string to use as the file's name when you export it

pdf: PdfSetting. See Chart PDF Exports for details.

serviceUrl: the string path to the export service, for example http://localhost/C1ASPNETExportService/exportapi/chart. See Export Service Setup for details.

receiver: void. Customize response data handling.

data: any,

setting: ExportSetting

sender: void. Customize how you send request data to the service.

content: string,

setting: ExportSetting

contentType: string. Specifies the content type of the request.

application/json sends JSON-formatted request data to the service. You must also set the receiver when using this type.

application/x-www-form-urlencoded is the same, but does not require you to set the receiver.

width: Chart widget width in pixels. This option is required.

height: Chart widget height in pixels. This option is required.

widgetName: Chart widget name.

widgetOptions: Chart widget options. Use this option when the method is set to "Options" mode.

HTMLContent: Chart widget HTML markup. Use this option when the method is set to "Content" mode

method: wijmo.exporter.ExportFileType.ChartExportMethod.

valid values: Content and Options