Posterized output silently fail when default compression is JPEG

4lex4 / scantailor-advanced

ScanTailor Advanced is the version that merges the features of the ScanTailor Featured and ScanTailor Enhanced versions, brings new ones and fixes.

GNU General Public License v3.0

1.15k stars 128 forks source link

Open hfiguiere opened 3 years ago

hfiguiere commented 3 years ago

Set the output compression for colour to JPEG

Posterize some of the colour / grayscale images

Generate the output.

This posterized images fail to save. No error shown.

The console show the following: JPEGSetupEncode: PhotometricInterpretation 3 not allowed for JPEG.

Expected

show an error in case of failure: there is still a slight hint that it failed as the ? in the thumbnail is here.
automatically fallback to lzw for for this PhotometricInterpretation