On 06/13/09 11:45, Jan Holst Jensen wrote:
I would like to be able to render cell content in an owner-draw fashion.
An intuitive way to control this for the end-user (or at least for me)
would be to add a new format to "Format Cells". I was thinking along the
lines of adding an item to "Numbers"->"Category", say "SVG image", and
cells containing SVG instructions would display the SVG graphics instead
of the SVG text. Alternatively a "Format" could be added to the
"User-defined" category ?
The actual rendering instructions that I would like to support are not
SVG but "protein rendering info" as shown at
http://www.biochemfusion.com/downloads/protein_renderer.html. However,
the two problems are equivalent and the rendering info could easily be
translated to SVG if necessary.
Can this be done as an UNO extension or would this need to added
directly into Calc as native functionality ?
PS: I've seen this implemented by a number of vendors in Excel but trust
me - you don't really want to know how they do it (seriously fun hacking
necessary) :-).
There is no such API available. But an extension could register as a
listener for value changes, and then insert shapes into the document for
the desired output. Or would that already fall into the "don't really
want to know" category?
Niklas
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