HTMLtoIMAGE_v100

[Bob Sneidar]

Yeah the whole page is generated by Java. I guess I was expecting too much. 

Bob S


> On Dec 17, 2018, at 10:13 , hh via use-livecode <use-livecode at lists.runrev.com> wrote:
> 
>> Bob S. wrote:
>> I tried this on a copier web portal. It produced a 0 kbyte file with no image. 
> 
> So the imagedata of the canvas was empty.
> Thus a pdf created from the DOM will also not work with such pages.
> It will have to rely on the print-layout of the portal: Can you print it
> correctly from a desktop browser?
> 
> What we could try is to scroll the widget down in appropriate pieces and make
> ordinary LC-snapshots from it.
> 
> This is from the html2canvas library docs:
> 
> Limitations
> All the images that the script uses need to reside under the same origin for
> it to be able to read them without the assistance of a proxy. Similarly, if
> you have other canvas elements on the page, which have been tainted with
> cross-origin content, they will become dirty and no longer readable by
> html2canvas.
> The script doesn't render plugin content such as Flash or Java applets.
> 
> Portals (and livecode.com) use often WordPress or similar with lots of plugins...
> 
> 
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