On 05.01.2011 16:25:20 gen1986 wrote: > > Hi Chris, > > > Did you add the > > file named "org.apache.xmlgraphics.image.loader.spi.ImageConverter" to > > the JAR containing your code in META-INF\services sub directory as > > suggested by Jeremias? > > Yep (you can see it in the attachment).
the attachment seems to be missing. > I have created a ImageChartPreloader to preload the ImageInfo from > DOMSource. > What I can see is that the originalURI is null. Yeah, looks like I gave bad advice here, that the Preloader isn't necessary. Obviously, it is. > 1) Should I do something at some place to specifiy that uri? (where, how...) No, no URI is involved when fo:insteam-foreign-object is used. > 2) However even if the originalURI is null as I can get all the infos from > the source it's ok. > But what MimeType should I give to the created ImageInfo? (I've tried some, > but I always get the same error : no suitable loader/converter > combination...etc) I've used "application/x-barcode4j+xml" for Barcode4J. Create another custom one with "application/x-[something]+xml". > 3) I've tried to solve my problem with the preloader, but if it's not the > right way for doing it (ex: maybe > setting some attributes to the Document is?) tell me. I think the important thing is to support a DOMSource in the preloader for your case. Again, take Barcode4J as a template. > 4) Please take à look at the attachment, so you can tell me what is missing. It didn't make it to the list. Try putting everything in a ZIP. > > > Eugen > > > cbowditch wrote: > > > > On 05/01/2011 10:52, gen1986 wrote: > > > > Hello, > >> Stepan and Eric thanks for the suggestions but the whole thing must be > >> done > >> in java (the charting is only a part of the app). > >> Jeremias solution is close to what I must do. > >> > >> After following the explanations of Jeremias and reading the sources of > >> Barcode4J, etc. I manage to get something out, but it still doesn't work > >> and > >> I'm not sure about some points. > >> > >> 1) I don't have to call imageManager.convertImage(image, flavors) right ? > >> It's the fop framework who will do that. However if it's true, something > >> is > >> going wrong because my converters are not executed. > > > > Right, the Image Loader framework takes care of that. Did you add the > > file named "org.apache.xmlgraphics.image.loader.spi.ImageConverter" to > > the JAR containing your code in META-INF\services sub directory as > > suggested by Jeremias? This is needed in order for the Image Loader > > Framework to be made aware of your converter. > >> 2) When I'm running the transformation I've got an error > >> GRAVE: Image not available. URI: (instream-object). Reason: > >> org.apache.xmlgraphics.image.loader.ImageException: The file format is > >> not > >> supported. No ImagePreloader found for null (No context info available). > >> > >> After googling a bit I've found that we have to add the following line to > >> the fop conf :<prefer-renderer>true</prefer-renderer> > > That is not the correct solution. The prefer-renderer option forces use > > of the older renderers. The old Renderers don't benefit from the latest > > bug fixes and improvements that have been made to the painters. > > > >> If I'm doing so I've got another error : No handler defined for my > >> namespace... > >> > >> So instead asking a lot of questions I've uploaded a basic test project > >> so > >> you can see what I'm doing wrong. > >> http://old.nabble.com/file/p30594894/Fop-ChartExtension.rar > >> Fop-ChartExtension.rar > >> > >> Thanks for your help! > > > > Thanks, > > > > Chris > > > >> Eugen > >> > >> > >> > > <snip/> > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: fop-users-unsubscr...@xmlgraphics.apache.org > > For additional commands, e-mail: fop-users-h...@xmlgraphics.apache.org > > > > > > > > -- > View this message in context: > http://old.nabble.com/how-to-extend-the-rendering-part-of-fop-tp30579066p30597037.html > Sent from the FOP - Users mailing list archive at Nabble.com. > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: fop-users-unsubscr...@xmlgraphics.apache.org > For additional commands, e-mail: fop-users-h...@xmlgraphics.apache.org > Jeremias Maerki --------------------------------------------------------------------- To unsubscribe, e-mail: fop-users-unsubscr...@xmlgraphics.apache.org For additional commands, e-mail: fop-users-h...@xmlgraphics.apache.org
