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Posted to dev@pdfbox.apache.org by "Andreas Lehmkühler (Resolved JIRA)" <ji...@apache.org> on 2011/12/18 16:54:30 UTC
[jira] [Resolved] (PDFBOX-1190) Attempting to render to BMP, WBMP
or GIF causes IllegalStateException
[ https://issues.apache.org/jira/browse/PDFBOX-1190?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andreas Lehmkühler resolved PDFBOX-1190.
----------------------------------------
Resolution: Fixed
Fix Version/s: 1.7.0
Assignee: Andreas Lehmkühler
The compression type might get lost when setting the compression mode to MODE_EXPLICIT. There was another problem when adding the resolution to the metadata.
I fixed that in revision 1220438.
I also added a unit test using PNG, JPG, BMP and WBMP as target format. GIF isn't supported as JDK 5 doesn't provide write support for it.
Thanks for the report!
> Attempting to render to BMP, WBMP or GIF causes IllegalStateException
> ---------------------------------------------------------------------
>
> Key: PDFBOX-1190
> URL: https://issues.apache.org/jira/browse/PDFBOX-1190
> Project: PDFBox
> Issue Type: Bug
> Components: Utilities
> Affects Versions: 1.6.0
> Environment: Win 7, Java 1.6
> Reporter: Lars Hougaard
> Assignee: Andreas Lehmkühler
> Priority: Minor
> Fix For: 1.7.0
>
>
> Attempting to render PDF to either BMP, WBMP or GIF causes IllegalStateException while rendering to JPG, JPEG or PNG works. All of these image formats are reported as being present and available via call: ImageIO.getWriterFormatNames()
> The issue seems to be with this code in PDFImageWriter
> if( writerParams.canWriteCompressed() )
> {
> writerParams.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
> writerParams.setCompressionQuality(1.0f); // <== Exception here
> }
> where a call to setCompressionType should precede setCompressionQuality for the failing image types listed above.
> [looks like JUnit test cases only tests PNG ....]
> Start of stack trace is this:
> java.lang.IllegalStateException: No compression type set!
> at javax.imageio.ImageWriteParam.setCompressionQuality(ImageWriteParam.java:1230)
> at org.apache.pdfbox.util.PDFImageWriter.writeImage(PDFImageWriter.java:151)
> ......
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