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Workspace Image SVG conversion - compatibility issue with PDF [message #1860649]

Wed, 23 August 2023 17:32

Jonathan Menzies

Messages: 60
Registered: May 2020
Location: California

Member

Hey there,

We have a diagram that is created in the odesign using a node, with a workspace image inside. The image used is an SVG .

We have extend the image export dialog from the diagram editor in order to allow generation of PDF's, this uses xmlgraphics.fop to take the diagram after it's converted to an SVG and then transcode that into a PDF.

Sometime between Sirius 6.2.2 and 7.0.5 the export to SVG changed and is now including the image used by the workspace image into the generated SVG with the symbol tags. Unfortunately this is doing so in a way that is incompatible with the xmlgraphics.fop in the org.apache.batik.bridge.SVGPatternElementBridge.
(may be related to https://issues.apache.org/jira/browse/BATIK-1051)

As far as I can see it's related to SiriusDiagramSVGGenerator line 276, where it adds the symbol tags for referenced SVG images.

I've attached the before and after just so you can see the difference.

Wondering if there is anything we can do here to get this working?

Cheers
Jonathan

Attachment: DiagramExportedIn_6_2_2.svg
(Size: 15.74KB, Downloaded 73 times)
Attachment: DiagramExport.svg
(Size: 249.66KB, Downloaded 51 times)
Attachment: stackTrace.txt
(Size: 17.88KB, Downloaded 44 times)

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Re: Workspace Image SVG conversion - compatibility issue with PDF [message #1860719 is a reply to message #1860649]

Tue, 29 August 2023 06:50

Laurent Redor

Messages: 300
Registered: July 2009

Senior Member

Hi,
The mentioned line, SiriusDiagramSVGGenerator line 276, has been added for bugzilla 578509 to improve quality of exported SVG. As workaround, I think you can disable this "new" behavior (added in Sirius 7.0.1) by setting the system property "org.eclipse.sirius.diagram.ui.enableEmbeddedSVGInSVGExport" to false :

System.setProperty(SiriusDiagramSVGGenerator.ENABLE_EMBEDDED_SVG_IN_SVG_EXPORT, "false");

Could you check in your context and give us some feedback?

Regards,

Laurent

Laurent Redor - Obeo

Need training or professional services for Sirius?
http://www.obeodesigner.com/sirius

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Re: Workspace Image SVG conversion - compatibility issue with PDF [message #1860764 is a reply to message #1860719]

Fri, 01 September 2023 17:08

Jonathan Menzies

Messages: 60
Registered: May 2020
Location: California

Member

Hi Laurent,

Thanks for your response. Ahh that makes sense.

Disabling that system property does indeed stop it from embedding the SVG into the SVG and allows us to export to PDF again. This will work well for us for now.

Is there any chance of Sirius adding in PDF export functionality in the future? Obviously we would like to be able to reap the benefits of 578509 whilst still being able to export to pdf.

Cheers
Jonathan

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