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Posted to fop-dev@xmlgraphics.apache.org by bu...@apache.org on 2006/09/06 13:59:11 UTC
DO NOT REPLY [Bug 40425] New: - PNG - Cannot read image dimensions
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Summary: PNG - Cannot read image dimensions
Product: Fop
Version: 1.0dev
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: images
AssignedTo: fop-dev@xmlgraphics.apache.org
ReportedBy: joe-fop@7val.com
<fo:external-graphic width="auto" height="auto" content-width="2cm"
src="url(image.png)"/>
produces an "Cannot read image dimensions" message and finally results in a
java.lang.NullPointerException
at org.apache.fop.image.ImageIOImage.loadBitmap(ImageIOImage.java:86)
I don't know whether this is due to a broken PNG image (See image in
attachment), but it actually did work in FOP 0.92.
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DO NOT REPLY [Bug 40425] - PNG - Cannot read image dimensions
Posted by bu...@apache.org.
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------- Additional Comments From joe-fop@7val.com 2006-09-06 12:00 -------
Created an attachment (id=18827)
--> (http://issues.apache.org/bugzilla/attachment.cgi?id=18827&action=view)
PNG image to reproduce the bug
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DO NOT REPLY [Bug 40425] - PNG - Cannot read image dimensions
Posted by bu...@apache.org.
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------- Additional Comments From joe-fop@7val.com 2006-09-07 08:50 -------
Right, running FOP with JDK 1.5 works :-)
Building and running FOP using JDK 1.4.2_11 with the latest sources form the
SVN trunk, I get the following backtrace. The build proceeds, though,
resulting in a PDF document missing that image (which in fact is a black
square to simplify matters).
07.09.2006 10:10:09 org.apache.fop.image.ImageIOImage loadBitmap
SCHWERWIEGEND: Error while loading image: 4
java.lang.ArrayIndexOutOfBoundsException: 4
at
com.sun.imageio.plugins.png.PNGImageReader.parse_PLTE_chunk(PNGImageReader.java:347)
at
com.sun.imageio.plugins.png.PNGImageReader.readMetadata(PNGImageReader.java:635)
at
com.sun.imageio.plugins.png.PNGImageReader.readImage(PNGImageReader.java:1309)
at
com.sun.imageio.plugins.png.PNGImageReader.read(PNGImageReader.java:1530)
at org.apache.fop.image.ImageIOImage.loadBitmap(ImageIOImage.java:96)
at
org.apache.fop.image.ImageIOImage.loadDimensions(ImageIOImage.java:66)
at
org.apache.fop.image.AbstractFopImage.load(AbstractFopImage.java:160)
at
org.apache.fop.fo.flow.ExternalGraphic.bind(ExternalGraphic.java:73)
at org.apache.fop.fo.FObj.processNode(FObj.java:118)
at
org.apache.fop.fo.FOTreeBuilder$MainFOHandler.startElement(FOTreeBuilder.java:321)
at
org.apache.fop.fo.FOTreeBuilder.startElement(FOTreeBuilder.java:185)
at
org.apache.xalan.transformer.TransformerIdentityImpl.startElement(TransformerIdentityImpl.java:1020)
at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown
Source)
at
org.apache.xerces.parsers.AbstractXMLDocumentParser.emptyElement(Unknown
Source)
at
org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown
Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown
Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown
Source)
at
org.apache.xalan.transformer.TransformerIdentityImpl.transform(TransformerIdentityImpl.java:452)
at org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:165)
at org.apache.fop.cli.InputHandler.renderTo(InputHandler.java:115)
at org.apache.fop.cli.Main.startFOP(Main.java:160)
at org.apache.fop.cli.Main.main(Main.java:191)
07.09.2006 10:10:09 org.apache.fop.fo.flow.ExternalGraphic bind
SCHWERWIEGEND: Cannot read image dimensions:
url(/home/joe/docbook/images/caution.png)
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DO NOT REPLY [Bug 40425] - PNG - Cannot read image dimensions
Posted by bu...@apache.org.
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------- Additional Comments From manuel@apache.org 2006-09-06 14:39 -------
Works for me (assuming the image is suppose to be a black 200x200 square). This
is with the trunk version of FOP under JDK 1.5.x. This means it should be using
ImageIO in my case.
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DO NOT REPLY [Bug 40425] - PNG - Cannot read image dimensions
Posted by bu...@apache.org.
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jeremias@apache.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |WONTFIX
------- Additional Comments From jeremias@apache.org 2006-09-10 11:43 -------
Looks like a bug in the PNG codec for JDK 1.4.2_11 then. It may be this bug
here: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4826548
As a work-around on JDK 1.4.2, you can change org.apache.fop.image.ImageFactory.
Find the line:
imt = new ImageMimeType("image/png");
...and change the block there to this:
imt = new ImageMimeType("image/png");
imageMimeTypes.put(imt.getMimeType(), imt);
imt.addProvider(pngImage);
imt.addProvider(imageIoImage);
This gives the internal PNG codec a higher priority over the ImageIO codec.
(In reply to comment #3)
> Right, running FOP with JDK 1.5 works :-)
>
> Building and running FOP using JDK 1.4.2_11 with the latest sources form the
> SVN trunk, I get the following backtrace. The build proceeds, though,
> resulting in a PDF document missing that image (which in fact is a black
> square to simplify matters).
>
> 07.09.2006 10:10:09 org.apache.fop.image.ImageIOImage loadBitmap
> SCHWERWIEGEND: Error while loading image: 4
> java.lang.ArrayIndexOutOfBoundsException: 4
> at
>
com.sun.imageio.plugins.png.PNGImageReader.parse_PLTE_chunk(PNGImageReader.java:347)
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