Tag 262 (PhotometricInterpretation) is changed when saving as a TIFF #4804
Description
What did you do?
save an uncompressed tiff file to group 4 compressed tiff file
What did you expect to happen?
I expected to get a group 4 compressed tiff file and kept all other tags the same as original file
What actually happened?
I got a group 4 compressed tiff file, but Tag 262 (PhotometricInterpretation) was changed from 0 to 1
What are your OS, Python and Pillow versions?
- OS: Window 10
- Python: Python 3.6.8
- Pillow: 7.2.0
from PIL import Image img = Image.open('uncompressed.tiff') print(img.tag) img.save('group4.tiff', compression="group4", tiffinfo=img.tag) img = Image.open('group4.tiff') print(img.tag)