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Posted to dev@pdfbox.apache.org by "Matej Risek (Jira)" <ji...@apache.org> on 2021/03/22 15:44:00 UTC
[jira] [Created] (PDFBOX-5137) Wrong classification of an JPEG
image leading to a blank image added to a pdf document
Matej Risek created PDFBOX-5137:
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Summary: Wrong classification of an JPEG image leading to a blank image added to a pdf document
Key: PDFBOX-5137
URL: https://issues.apache.org/jira/browse/PDFBOX-5137
Project: PDFBox
Issue Type: Bug
Reporter: Matej Risek
According to [https://docs.oracle.com/javase/8/docs/api/javax/imageio/metadata/doc-files/jpeg_metadata.html] the number of image components should be read from the markerSequence/sof/@numFrameComponents if you want to retrieve the number of the whole image.
At the moment the number is being read from the first {{Start Of Scan marker segment}} (sos) xPath encounters which in our case lead to the wrong classification of an image as a Grayscale instead of RGB resulting in a blank image added to the final PDF document.
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