josch/img2pdf
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Slightly simplify the getexif procedure

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No need for a loop here either.
Note that you could also use a dictionary rather than an if-elif tree
for the value -> rotation mapping (where valid/supported).
This commit is contained in:
mara004 2024-08-25 17:52:38 +02:00
parent 819b366bf5
commit 4fa160259d
1 changed files with 37 additions and 36 deletions
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9
src/img2pdf.py
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@ -22,7 +22,7 @@ import sys
import os
import zlib
import argparse
from PIL import Image, TiffImagePlugin, GifImagePlugin, ImageCms
from PIL import Image, TiffImagePlugin, GifImagePlugin, ImageCms, ExifTags
if hasattr(GifImagePlugin, "LoadingStrategy"):
# Pillow 9.0.0 started emitting all frames but the first as RGB instead of
@ -1372,11 +1372,12 @@ def get_imgmetadata(
rotation = 0
if rotreq in (None, Rotation.auto, Rotation.ifvalid):
if hasattr(imgdata, "_getexif") and imgdata._getexif() is not None:
for tag, value in imgdata._getexif().items():
if TAGS.get(tag, tag) == "Orientation":
exif_dict = imgdata.getexif()
o_key = ExifTags.Base.Orientation.value # 274 rsp. 0x112
if exif_dict and o_key in exif_dict:
# Detailed information on EXIF rotation tags:
# http://impulseadventure.com/photo/exif-orientation.html
value = exif_dict[o_key]
if value == 1:
rotation = 0
elif value == 6: