Hi Bharat,
Sorry for the delay in getting back to you but I'm a little swamped with
work at the moment.
As you have probably already discovered objects are placed in resource
groups using the afp:resource-level foreign attribute (see
http://xmlgraphics.apache.org/fop/trunk/output.html#afp-foreign-attributes-resource).
Unfortunately only images and svg objects are currently supported using
<fo:external-graphic/> and <instream-foreign-object/>. There is however
underlying support for creating overlays within resource groups in
org.apache.fop.afp.AFPDataObjectFactory.createResource (see line 226).
So in order to achieve this feature you would need to implement a FOP
AFP extension for overlays in org.apache.fop.render.afp.extensions (see
other extension implementations in this package) and have it make use of
the afp:resource-level foreign attribute. Then you would need to handle
this new extension in
org.apache.fop.render.afp.AFPDocumentHandler.handleExtensionObject() and
maybe also in
org.apache.fop.render.afp.AFPRenderer.renderPageObjectExtensions() for
backwards compatibility. You would also need to make some additional
changes to resourceManager.createObject() and make a call to it, passing
it a DataObjectInfo implementation which contains details of the
overlay. The AFPResourceManager then in turn deligates the creation of
resources to the AFPDataObjectFactory by making a call to
dataObjectFactory.createResource().
Unfortunately I do not have any time to help implement this, I only have
minimal time to spend on FOP due to other work commitments, but I would
be happy to help you further and will try to support you with the
implementation either on or off list.
Adrian.
attaluri1210 wrote:
Andreas,
I am able to write the page segment and Overlay e.t.c in the AFP output
file. But what i am looking is how to write it in the resource group. Say
for example if we write a external image and give the below in config
<resource-group-file>resources.afp</resource-group-file>
<default-resource-levels goca="print-file" bitmap="print-file"/>
the image will be written in the resource group. In the same manner when i
write a overlay i was not able to see it in the resource group.
Sorry, if i have to be still be more specific.
Thanks,
Bharat
Andreas Delmelle-2 wrote:
On 16 Jun 2009, at 06:04, attaluri1210 wrote:
Hi Bharat
Can any one Guide me how to write PageSegment,Overlay e.t.c in to the
Resource Group.
Can you be more specific? What precisely is missing from the samples
provided at
http://xmlgraphics.apache.org/fop/0.95/output.html#afp-extensions
?
Does this feature included in the Trunk?.
Yes, it was already supported in 0.95.
Regards
Andreas
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