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Fix 16-bit RGB PNG transparency key matching - #10365
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Zhuyuyangyy wants to merge 1 commit into
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Fixes #10330
Changes proposed in this pull request:
tRNSkey in RGBA mode and preserve the full RGB key through the PNG ZIP decoder. Match original 16-bit samples before reducing channel precision to 8 bits.Validation (Linux, Python 3.12.3):
python3 selftest.py: 59 passed.python3 -m pytest -q Tests/: 5,364 passed, 447 skipped, 3 xfailed. Skips are for unavailable optional dependencies and platform-specific tests; the xfails are existing expected failures.python3 -m tox -e lint: passed, including Pyroma.python3 -m tox -e mypy: no issues found in 303 source files.Disclosure: This pull request was prepared with assistance from Cue AI on behalf of the account owner. No independent human review has occurred; the validation above was run locally.