On 17.01.2008 05:41:21 Ryan,Peter (Contractor) wrote:
> I discovered this is an error in DataURIResolver.
>
> In DataURIResolver the StreamSource created does not the systemid is
> never set, thus causing a null value for originalURI which triggers a
> NullPointerException.
This problem doesn't occur anymore since revision 611278 (FOP Trunk).
> ImageFactory {
> loadImage {
> mageReaderFactory.make(source.getSystemId(), in, ua)
> }
> }
>
> A simple fix in DataURIResolver and rebuilding fop (from the latest
> sourc distribution) aalleviates the issue:
>
> source.setSystemId(href);
> return source;
>
> I will report this as a bug. Testing this also revealed and error for
> PNG files where the transparency layer render black but that is another
> issue and coverting to a jpeg fixed that issue.
I wasn't able to reproduce that with FOP Trunk. A transparent PNG showed
all right in Word Viewer.
> >-----Original Message-----
> >From: Ryan,Peter (Contractor) [mailto:[EMAIL PROTECTED]
> >Sent: Wednesday, January 16, 2008 8:47 PM
> >To: [email protected]
> >Subject: Data URI Support for RTF ExternalGraphic
> >
> >I have run into an issue with generating an RTF that includes
> >a data uri
> >for an external image. This document generates correctly in PDF.
> >
> >The offending fo:
> >
> ><?xml version="1.0" encoding="UTF-8"?>
> ><fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format";>
> > <fo:layout-master-set>
> > <fo:simple-page-master master-name="masterLayout">
> > <fo:region-body region-name="xsl-region-body" />
> > </fo:simple-page-master>
> > </fo:layout-master-set>
> > <fo:page-sequence master-reference="masterLayout">
> > <fo:flow flow-name="xsl-region-body">
> > <fo:block id="cover_image">
> > <fo:external-graphic
> > src="DATA_URI" />
> > </fo:block>
> > </fo:flow>
> > </fo:page-sequence>
> ></fo:root>
> >
> >To properly run this example I am using the first DATA_URI
> >example (HTML
> >fragment) from here, removing the line breaks:
> >http://en.wikipedia.org/wiki/Data:_URI#Examples
> >
> >As I mentioned the document generates correctly in a PDF but
> >when in RTF
> >I receive the following exception within the generated document (the fo
> >transformation itself issues no errors):
> >
> >org.apache.fop.render.rtf.rtflib.rtfdoc.RtfExternalGraphic$Exte
> rnalGraph
> >icException
> >org.apache.fop.render.rtf.rtflib.rtfdoc.RtfExternalGraphic$Exte
> rnalGraph
> >icException: The attribute 'url' of <fo:external-graphic> is null.
> >
> >Is this a bug, an unsupported (data uri's for external graphics in RTF)
> >feature, or am I doing something wrong?
> >
> >Thank you!
> >
>
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Jeremias Maerki
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