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List:       fop-dev
Subject:    [jira] [Created] (FOP-2489) An SVG file using markers is not rendered by FOP 2.0
From:       "Hussein Shafie (JIRA)" <jira () apache ! org>
Date:       2015-06-16 17:21:02
Message-ID: JIRA.12838223.1434475233000.85770.1434475262337 () Atlassian ! JIRA
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Hussein Shafie created FOP-2489:
-----------------------------------

             Summary: An SVG file using markers is not rendered by FOP 2.0
                 Key: FOP-2489
                 URL: https://issues.apache.org/jira/browse/FOP-2489
             Project: FOP
          Issue Type: Bug
    Affects Versions: 2.0
         Environment: Linux; Java 1.6 64-bit (not relevant).
            Reporter: Hussein Shafie


An SVG file using markers is not rendered by FOP 2.0
----------------------------------------------------

How to reproduce the problem (see attached files)

fop -fo __doc.fo -pdf __doc.pdf

Running this command reports:
---
SEVERE: SVG graphic could not be built. Reason: \
org.apache.batik.bridge.BridgeException: resources/resources/header_layout.svg (No \
                such file or directory)
org.apache.batik.bridge.BridgeException: resources/resources/header_layout.svg (No \
                such file or directory)
        at org.apache.batik.bridge.BridgeContext.getReferencedNode(Unknown Source)
        at org.apache.batik.bridge.BridgeContext.getReferencedElement(Unknown Source)
        at org.apache.batik.bridge.PaintServer.convertMarker(Unknown Source)
        at org.apache.batik.bridge.PaintServer.convertMarkers(Unknown Source)
        at org.apache.batik.bridge.SVGDecoratedShapeElementBridge.createMarkerPainter(Unknown \
                Source)
        at org.apache.batik.bridge.SVGDecoratedShapeElementBridge.createShapePainter(Unknown \
                Source)
        at org.apache.batik.bridge.SVGShapeElementBridge.buildGraphicsNode(Unknown \
                Source)
        at org.apache.batik.bridge.GVTBuilder.buildGraphicsNode(Unknown Source)
        at org.apache.batik.bridge.GVTBuilder.buildComposite(Unknown Source)
        at org.apache.batik.bridge.GVTBuilder.buildGraphicsNode(Unknown Source)
        at org.apache.batik.bridge.GVTBuilder.buildComposite(Unknown Source)
        at org.apache.batik.bridge.GVTBuilder.buildGraphicsNode(Unknown Source)
        at org.apache.batik.bridge.GVTBuilder.buildComposite(Unknown Source)
        at org.apache.batik.bridge.GVTBuilder.build(Unknown Source)
        at org.apache.fop.render.pdf.PDFImageHandlerSVG.handleImage(PDFImageHandlerSVG.java:103)
                
        at org.apache.fop.render.intermediate.AbstractIFPainter.drawImage(AbstractIFPainter.java:249)
                
        at org.apache.fop.render.intermediate.AbstractIFPainter.drawImage(AbstractIFPainter.java:205)
                
        at org.apache.fop.render.intermediate.AbstractIFPainter.drawImageUsingImageHandler(AbstractIFPainter.java:170)
                
        at org.apache.fop.render.intermediate.AbstractIFPainter.drawImageUsingURI(AbstractIFPainter.java:292)
                
        at org.apache.fop.render.pdf.PDFPainter.drawImage(PDFPainter.java:173)
        at org.apache.fop.render.intermediate.IFRenderer.drawImage(IFRenderer.java:1295)
                
        at org.apache.fop.render.intermediate.IFRenderer.renderImage(IFRenderer.java:1282)
                
        at org.apache.fop.render.AbstractRenderer.renderInlineViewport(AbstractRenderer.java:858)
                
---

The expected result is EXPECTED__doc.pdf

My workaround:

To resolve URLs such as "marker-start:url(#TriangleInM)", Batik 1.8 needs 
to know the URL of the SVG document it processes.

Therefore in org/apache/fop/apps/FOUserAgent.java, I've replaced:

---
    public StreamSource resolveURI(String uri) {
        // TODO: What do we want to do when resources aren't found??? We also need to \
remove this  // method entirely
        try {
            // Have to do this so we can resolve data URIs
            StreamSource src = new StreamSource(resourceResolver.getResource(uri));
            src.setSystemId(uri);
            return src;
        } catch (URISyntaxException use) {
            return null;
        } catch (IOException ioe) {
            return null;
        }
    }
---

by:

---
    public StreamSource resolveURI(String uri) {
        // TODO: What do we want to do when resources aren't found??? We also need to \
remove this  // method entirely
        try {
            // Have to do this so we can resolve data URIs
            StreamSource src = new StreamSource(resourceResolver.getResource(uri));

            // A systemId is always expected to be absolute.
            // Anyway, without this, SVG files using markers 
            // (e.g. marker-start:url(#TriangleInM)) cannot be rendered.

            if (!uri.startsWith("data:")) {
                uri = resourceResolver.getBaseURI().resolve(uri).toASCIIString();
            }

            src.setSystemId(uri);
            return src;
        } catch (URISyntaxException use) {
            return null;
        } catch (IOException ioe) {
            return null;
        }
    }
---




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