python-pillow/Pillow
1
1
Fork 0
mirror of https://github.com/python-pillow/Pillow.git synced 2025-05-28 01:33:21 +03:00
Code Issues Packages Projects Releases Wiki Activity

Prevent TIFFRGBAImageBegin from applying image orientation (#8556)

Browse Source 
Co-authored-by: Andrew Murray <radarhere@users.noreply.github.com>
This commit is contained in:
Andrew Murray 2025-03-30 03:25:57 +11:00 committed by GitHub
parent 6d42449788
commit 93cdfeb488
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
2 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
Tests/test_file_libtiff.py
View File

@ -1026,6 +1026,17 @@ class TestFileLibTiff(LibTiffTestCase):
with Image.open("Tests/images/old-style-jpeg-compression.tif") as im:
assert_image_equal_tofile(im, "Tests/images/old-style-jpeg-compression.png")
def test_old_style_jpeg_orientation(self) -> None:
with open("Tests/images/old-style-jpeg-compression.tif", "rb") as fp:
data = fp.read()
# Set EXIF Orientation to 2
data = data[:102] + b"\x02" + data[103:]
with Image.open(io.BytesIO(data)) as im:
im = im.transpose(Image.Transpose.FLIP_LEFT_RIGHT)
assert_image_equal_tofile(im, "Tests/images/old-style-jpeg-compression.png")
def test_open_missing_samplesperpixel(self) -> None:
with Image.open(
"Tests/images/old-style-jpeg-compression-no-samplesperpixel.tif"

1
src/libImaging/TiffDecode.c
View File

@ -299,6 +299,7 @@ _decodeAsRGBA(Imaging im, ImagingCodecState state, TIFF *tiff) {
return -1;
}
img.orientation = ORIENTATION_TOPLEFT;
img.req_orientation = ORIENTATION_TOPLEFT;
img.col_offset = 0;