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Support reading 8-bit YCbCr TIFF images #7415

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Merged
hugovk merged 4 commits into from
Oct 6, 2023
Merged

Support reading 8-bit YCbCr TIFF images #7415

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616ed35
Support reading 8-bit YCbCr TIFF images
radarhere Sep 21, 2023
9ae8d90
Added release notes
radarhere Oct 5, 2023
7394e50
Merge branch 'main' into tiff
radarhere Oct 6, 2023
016f899
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Oct 6, 2023
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6 changes: 6 additions & 0 deletions docs/releasenotes/10.1.0.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -58,3 +58,9 @@ Added support for DDS 8-bit color indexed images
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Support has been added to read PALETTEINDEXED8 DDS files as P mode images.

Support reading signed 8-bit YCbCr TIFF images
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

TIFF images with unsigned integer data, 8 bits per sample and a photometric
interpretation of YCbCr can now be read.
2 changes: 2 additions & 0 deletions src/PIL/TiffImagePlugin.py
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Expand Up @@ -251,6 +251,8 @@
(II, 5, (1,), 1, (8, 8, 8, 8, 8, 8), (0, 0)): ("CMYK", "CMYKXX"),
(MM, 5, (1,), 1, (8, 8, 8, 8, 8, 8), (0, 0)): ("CMYK", "CMYKXX"),
(II, 5, (1,), 1, (16, 16, 16, 16), ()): ("CMYK", "CMYK;16L"),
(II, 6, (1,), 1, (8,), ()): ("L", "L"),
(MM, 6, (1,), 1, (8,), ()): ("L", "L"),
# JPEG compressed images handled by LibTiff and auto-converted to RGBX
# Minimal Baseline TIFF requires YCbCr images to have 3 SamplesPerPixel
(II, 6, (1,), 1, (8, 8, 8), ()): ("RGB", "RGBX"),
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