I'd also advise the changes be made in a single runnable as Thomas suggested. If you want a proof of concept for that, I'd point to some rather old, but potentially useful code I wrote awhile ago...seems to be doing something similar to what you want...look towards the end of the conversation for the inlined example:
http://batik.2283329.n4.nabble.com/Status-of-FlowRoot-Overflow-Detection-td2979431.html On Thu, Sep 27, 2012 at 6:04 PM, DeWeese Thomas <thomas.dewe...@gmail.com>wrote: > Hi fireball, > I suggest that you add the content and then set the properties. > > Otherwise the result of getBBox may well be wrong. There are many > properties that affect how text is rendered that will be inherited where > the element is inserted in the document, so any calculation you make > outside of it's final place in the document has a decent chance of being > wrong. > If you add it and set the properties in one Runnable (sent to the > UpdateManager's RunnableQueue) then it won't be rendered until your > runnable exits. > > If you really need to do this outside of the document (and I > strong recommend against it in general) you can check out the link Jonathan > gave for booting the SVG & CSS Dom. However once again I must point out > that for that to give you useful results the CSS context must be the same > as where it will eventually be inserted into the document. > > Thomas > > On Sep 27, 2012, at 10:16 AM, fireball <samiib...@hotmail.com> wrote: > > > I think I might know what is happening. Correct me if I am wrong. > > > > The BBox is computed after the text is rendered. And my understanding of > > rendering is that it happens when the text element is added to the > canvas. > > > > What I am trying to do here is load an SVG file into a document, set some > > properties and then add it into the canvas. Since I am trying to set > > properties before adding to canvas, BBox is not computed yet. > > > > Is there a way to do that before adding to canvas? > > > > > > > > -- > > View this message in context: > http://batik.2283329.n4.nabble.com/getBBox-returns-null-tp4655273p4655276.html > > Sent from the Batik - Users mailing list archive at Nabble.com. > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: batik-users-unsubscr...@xmlgraphics.apache.org > > For additional commands, e-mail: batik-users-h...@xmlgraphics.apache.org > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: batik-users-unsubscr...@xmlgraphics.apache.org > For additional commands, e-mail: batik-users-h...@xmlgraphics.apache.org > >
