0000550: JPEG width and height reported incorrectly if larger than 32767

ID	Project	Category	View Status	Date Submitted	Last Update

0000550	file	General	public	2024-08-16 18:30	2024-08-16 18:30

Reporter	i-rinat	Assigned To
Priority	normal	Severity	minor	Reproducibility	always
Status	new	Resolution	open
Product Version	5.45

Summary	0000550: JPEG width and height reported incorrectly if larger than 32767
Description	If a JPEG image file have height larger than 32767 pixels, file utility reports its height as a negative number instead. The same goes for widths.
Steps To Reproduce	Find or create a JPEG file with large enough height: $ convert -size 8x42000 xc:blue large.jpg Check what file utility says about the file: $ file large.jpg large.jpg: JPEG image data, JFIF standard 1.01, aspect ratio, density 1x1, segment length 16, baseline, precision 8, 8x-23536, components 3 Note that it prints -23536 instead of 42000.
Tags	No tags attached.

Date Modified	Username	Field	Change
2024-08-16 18:30	i-rinat	New Issue