Hi Alessandro
Did you try to load the PNG using the ImageLoader?
http://demo.qooxdoo.org/0.8.x/apiviewer/#qx.io2.ImageLoader
It won't be an RPC call, but i guess you could make the function that
generates the image acessible through a "normal" url?
Best - Roman
turicum wrote:
> Dear Qooxdooxers,
>
> I need some help with placing a chart in qooxdoo:
>
> I generate images on the server side (python + matplotlib) and get them via
> JSON-RPC, so that, on the client side, I have a variable with the a raw PNG
> string (starting with �PNG and followed by plenty of non-printable stuff).
> How can I turn it into a qx.ui.basic.Image (or anything else) and display
> it, for example, on a canvas?
>
> this.RpcRunning = rpc.callAsync( // RPC call, as you can find it in the
> examples
> function(result, ex, id) { // callback
> if (ex == null) { // RPC was successful
> alert(result); // result is a raw PNG string
> img = new qx.ui.basic.Image(result); // this does not work, of
> course
> [...]
>
> Thank you!
>
> Cheers,
> Alessandro
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