Tilman Hausherr created PDFBOX-4691:
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Summary: JPEGFactory should not decode JPEG files when only meta
data is needed
Key: PDFBOX-4691
URL: https://issues.apache.org/jira/browse/PDFBOX-4691
Project: PDFBox
Issue Type: Improvement
Affects Versions: 2.0.17
Reporter: Tilman Hausherr
Assignee: Tilman Hausherr
Fix For: 2.0.18, 3.0.0 PDFBox
{{JPEGFactory.createFromByteArray}} calls {{JPEGFactory.readJPEGRaster}} to get
the (decoded) raster although only meta data (size and number of data elements)
is needed. This should be optimized so that only the meta data is used, if
possible. The current behavior should be kept as fallback.
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