jQuery UI Widgets Forums Chart saveAsPNG concerns

This topic contains 1 reply, has 2 voices, and was last updated by  Dimitar 8 years, 9 months ago.

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  • saveAsPNG concerns #73558


    I am using the saveAsPNG and saveAsPDF methods of jqxChart, and have a couple issues:

    1) These methods expect to send the rendered image to a server that will then re-stream the data back to the client. This is no longer necessary, and downloads can be accomplished entirely client-side. For example: http://cwestblog.com/2014/10/21/javascript-creating-a-downloadable-file-in-the-browser/

    Do you have any plans to support that? Even if you provided access to the rendered data stream, I could do the other work, but you don’t, as far as I can tell.

    2) Those two methods send the data to the server with synchronous POSTs. If it takes any time at all to upload/download the image data, the browser appears to be hung, and I am unable to provide any feedback to the user. Why did you make those blocking calls? Again, if I had access to the data, I could POST async.

    saveAsPNG concerns #73565


    Hello toquehead,

    1. Unfortunately, this is not possible with jqxChart and we do not intend to introduce this feature for now.
    2. This is the way the saveAs functionality works. There are no other options we can offer you.

    Best Regards,

    jQWidgets team

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