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https://issues.apache.org/jira/browse/PDFBOX-1190?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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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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