Attempting to render to BMP, WBMP or GIF causes IllegalStateException
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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
Priority: Minor
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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