Hi Eduard,
On 28-6-2011 15:10, Eduard Gamonal wrote:
>
>> The contrib provides a conversion class [2] that you can use to convert
>> client coordinates to svg coordinates and vice versa. The functions here
>> take in account any transformations and viewboxes that were applied.
> I read somewhere that I have to use svg contrib 0.1 with qooxdoo 1.3.
> does this restriction still apply?
>
Yes, that hasn't been changed. However, if I recall correctly, the only
thing that causes issues with qooxdoo 1.3, are the various calls to:
qx.core.Environment.get("qx.debug")
which could be globally replaced by
qx.core.Variant.isSet("qx.debug", "on")
If you're using a local copy of the contrib, you could consider
replacing those calls (although it's ugly).
Another option would be to write your own conversion. Especially since
you have to deal with eyeOS's coordinates, that might even be a better
solution in terms of performance. The calculations done by the contrib
are pretty straightforward [1] and not hard to implement in your own
code. I used the technique that's described here [2].
Regards,
Marc
[1]
http://qooxdoo-contrib.svn.sourceforge.net/viewvc/qooxdoo-contrib/trunk/qooxdoo-contrib/SVG/trunk/source/class/svg/coords/Convert.js?revision=21241&view=markup
[2]
http://www.codedread.com/blog/archives/2005/12/21/how-to-enable-dragging-in-svg/
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