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From Olivier Mansour <omans...@clever-age.com>
Subject Re: png renderer and multiples page
Date Wed, 08 Nov 2006 12:08:01 GMT

Le 8 nov. 06 à 09:42, Olivier Mansour a écrit :

>
> Le 6 nov. 06 à 14:55, Jeremias Maerki a écrit :
>
>> Creating multiple PNG files is only supported if output is done to a
>> file (seems to be the case here). In this case, you have to set the
>> output file on the user agent in addition to the output stream:
>>
>> useragent.setOutputFile(new File("D:/out.png"));
>
> I have added this line after getting my user agent (with  
> newFOUserAgent()) :
>
> $file_out = new Java ('java.io.File', $path_to_png);
> $fop_ua->setOutputFile($file_out);
>
> I have now an error on my transform action :
> java.lang.Exception: Invoke failed: [o(TransformerImpl)]->transform 
> ((Source)o(StreamSource), (Result)o(SAXResult)). Cause:  
> javax.xml.transform.TransformerException:  
> java.lang.NullPointerException Responsible VM: 1.5.0_08@http:// 
> java.sun.com/ at  
> com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform 
> (TransformerImpl.java:651) at  
> com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform 
> (TransformerImpl.java:281) at  
> sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at  
> sun.reflect.NativeMethodAccessorImpl.invoke 
> (NativeMethodAccessorImpl.java:39) at  
> sun.reflect.DelegatingMethodAccessorImpl.invoke 
> (DelegatingMethodAccessorImpl.java:25) at  
> java.lang.reflect.Method.invoke(Method.java:585) at  
> php.java.bridge.JavaBridge.Invoke(JavaBridge.java:1073) at  
> php.java.bridge.Request.handleRequest(Request.java:499) at  
> php.java.bridge.Request.handleRequests(Request.java:544) at  
> php.java.bridge.JavaBridge.run(JavaBridge.java:178) at  
> php.java.bridge.BaseThreadPool$Delegate.run(BaseThreadPool.java:37)  
> Caused by: javax.xml.transform.TransformerException:  
> java.lang.NullPointerException ... 11 more Caused by:  
> java.lang.NullPointerException at  
> org.apache.fop.render.bitmap.PNGRenderer.stopRenderer 
> (PNGRenderer.java:123) at  
> org.apache.fop.area.RenderPagesModel.endDocument 
> (RenderPagesModel.java:240) at  
> org.apache.fop.area.AreaTreeHandler.endDocument 
> (AreaTreeHandler.java:357) at  
> org.apache.fop.fo.FOTreeBuilder.endDocument(FOTreeBuilder.java:170)  
> at  
> com.sun.org.apache.xml.internal.serializer.ToXMLSAXHandler.endDocument 
> (ToXMLSAXHandler.java:182) at  
> com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endDocume 
> nt(AbstractSAXParser.java:769) at  
> com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.endEnti 
> ty(XMLDocumentScannerImpl.java:560) at  
> com.sun.org.apache.xerces.internal.impl.XMLEntityManager.endEntity 
> (XMLEntityManager.java:1779) at  
> com.sun.org.apache.xerces.internal.impl.XMLEntityScanner.load 
> (XMLEntityScanner.java:1758) at  
> com.sun.org.apache.xerces.internal.impl.XMLEntityScanner.skipSpaces 
> (XMLEntityScanner.java:1274) at  
> com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl 
> $TrailingMiscDispatcher.dispatch(XMLDocumentScannerImpl.java:1247)  
> at  
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl 
> .scanDocument(XMLDocumentFragmentScannerImpl.java:368) at  
> com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse 
> (XML11Configuration.java:834) at  
> com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse 
> (XML11Configuration.java:764) at  
> com.sun.org.apache.xerces.internal.parsers.XMLParser.parse 
> (XMLParser.java:148) at  
> com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse 
> (AbstractSAXParser.java:1242) at  
> com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform 
> Identity(TransformerImpl.java:560) at  
> com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform 
> (TransformerImpl.java:642) ... 10 more
>
>

someone has an example of code used to transform a FO file to several  
png files with FOP ? I'am a bit confused right now ;-)

Thank you
Olivier

>
> an idea ?
>
>>
>> HTH
>>
>> On 04.11.2006 18:00:09 Olivier Mansour wrote:
>>> Hey
>>>
>>>
>>> Another beginner question
>>>
>>> I use fop 0.92 but I'am consedreing moving to trunk soon
>>>
>>> I tried to generate png from a fo file
>>>
>>> using command line works fine :
>>>   java -jar fop.jar -fo /tmp/test.fo -png ../../../web/uploads/ 
>>> test.png
>>>
>>> give severals png test.png, test2.png - one png for each page.
>>>
>>> I am now trying using the API trought php-java-bridge (quite similar
>>> if we where using java)
>>>
>>> here my code :
>>>
>>> 	      // Instanciate & configure FOP user agent
>>>                $fop_factory = new JavaClass
>>> ('org.apache.fop.apps.FopFactory');
>>>                $fop_factory = $fop_factory->newInstance();
>>>                $fop_factory->setUserConfig(new Java('java.io.File',
>>> sfConfig::get('sf_app_config_dir').'/fop.xconf'));
>>>                $fop_ua = $fop_factory->newFOUserAgent();
>>>
>>>                 /*
>>>                 * Setup output stream.  Note: Using  
>>> BufferedOutputStream
>>>                 * for performance reasons (helpful with
>>> FileOutputStreams).
>>>                 */
>>>                $out = new Java('java.io.FileOutputStream',
>>> $path_to_png);
>>>                $out = new Java('java.io.BufferedOutputStream',  
>>> $out);
>>>
>>>                // Construct fop with desired output format
>>>                $fop_mime_constants = new JavaClass
>>> ('org.apache.fop.apps.MimeConstants');
>>>                $fop = $fop_factory->newFop($fop_mime_constants-
>>>> MIME_PNG, $fop_ua, $out);
>>>
>>>                // Setup JAXP using identity transformer
>>>                $transformer_factory = new JavaClass
>>> ('javax.xml.transform.TransformerFactory');
>>>                $transformer_factory = $transformer_factory-
>>>> newInstance();
>>>                $transformer = $transformer_factory->newTransformer 
>>> ();
>>>
>>>                // Setup input stream
>>>                $src = new Java
>>> ('javax.xml.transform.stream.StreamSource', $path_to_fo);
>>>
>>>                // Resulting SAX events (the generated FO) must be
>>> piped through to FOP
>>>                $res = new Java('javax.xml.transform.sax.SAXResult',
>>> $fop->getDefaultHandler());
>>>
>>>                // Start XSLT transformation and FOP processing
>>>                $transformer->transform($src, $res);
>>>
>>> the problem is just the first png is generated  ! :-(
>>>
>>> An idea ?
>>>
>>> Thank you for your advices and making fop wich is great
>>>
>>> Olivier
>>>
>>>
>>> --
>>> Olivier Mansour      http://www.clever-age.com
>>> Clever Age Lyon - conseil en architecture technique
>>> GSM: +33 6 11 03 23 77  Tél: +33 4 78 89 46 45
>>>
>>> Clever Age vous invite à ses petits déjeuners du Jeudi
>>> http://www.clever-age.com/actualites/petits-dejeuners/
>>
>>
>>
>> Jeremias Maerki
>>
>>
>> ---------------------------------------------------------------------
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>> For additional commands, e-mail: fop-users- 
>> help@xmlgraphics.apache.org
>>
>
>
>
> --
> Olivier Mansour      http://www.clever-age.com
> Clever Age Lyon - conseil en architecture technique
> GSM: +33 6 11 03 23 77  Tél: +33 4 78 89 46 45
>
> Clever Age vous invite à ses petits déjeuners du Jeudi
> http://www.clever-age.com/actualites/petits-dejeuners/
>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: fop-users-unsubscribe@xmlgraphics.apache.org
> For additional commands, e-mail: fop-users-help@xmlgraphics.apache.org
>



--
Olivier Mansour      http://www.clever-age.com
Clever Age Lyon - conseil en architecture technique
GSM: +33 6 11 03 23 77  Tél: +33 4 78 89 46 45

Clever Age vous invite à ses petits déjeuners du Jeudi
http://www.clever-age.com/actualites/petits-dejeuners/



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