Flow Diagram: thumbnail support (UI)

[davidwatkins73]

Related to #3923

[kamransaleem]

Have attempted this using https://github.com/exupero/saveSvgAsPng

line and annotations don't appear to render correctly, see below:

Needs further investigation

[kamransaleem]

Similar results with the code snippet from here: http://bl.ocks.org/biovisualize/8187844

[davidwatkins73]

Could you make a draft PR with the progress so far ?

[davidwatkins73]

It's probably external styles. I think if we move to a <style> section within the svg or inline all the styles it may work....

[davidwatkins73]

Hi Kam,

Added some code (see patch at bottom) to clone the svg first and inline styles to the copy. Gives a better result as shown below (top: orig, bottom: clone). Can't get the font-awesome stuff to work. However we may be able to simply remove anything with a class of fa as this is only for thumbnails and so the icons won't matter too much.

dw_4051.patch.txt

[kamransaleem]

Thanks Dave, agreed re: icons, the thumbnails will be so small it won't matter.