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LibGfx/TIFF: Enforce a length of one for more tags

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The TIFF spec is constructed in a way that many tags are defined in
multiple places but some of these definitions are partial. If we look
into "Section 8: Baseline Field Reference Guide", we can see that these
tags indeed have an enforced length of 1.
This commit is contained in:
Lucas CHOLLET 2023-12-27 21:03:42 -05:00 committed by Andreas Kling
parent 7c162747ef
commit d66a421757
Notes: sideshowbarker 2024-07-16 23:52:22 +09:00 
Author: https://github.com/LucasChollet
Commit: https://github.com/SerenityOS/serenity/commit/d66a421757
Pull-request: https://github.com/SerenityOS/serenity/pull/22467
Reviewed-by: https://github.com/nico ✅
1 changed files with 4 additions and 4 deletions
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8
Userland/Libraries/LibGfx/TIFFGenerator.py
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@ -118,11 +118,11 @@ known_tags: List[Tag] = [
Tag('277', [TIFFType.UnsignedShort], [1], None, "SamplesPerPixel", is_required=True),
Tag('278', [TIFFType.UnsignedShort, TIFFType.UnsignedLong], [1], None, "RowsPerStrip", is_required=True),
Tag('279', [TIFFType.UnsignedShort, TIFFType.UnsignedLong], [], None, "StripByteCounts", is_required=True),
Tag('282', [TIFFType.UnsignedRational], [], None, "XResolution"),
Tag('283', [TIFFType.UnsignedRational], [], None, "YResolution"),
Tag('284', [TIFFType.UnsignedShort], [], PlanarConfiguration.Chunky, "PlanarConfiguration", PlanarConfiguration),
Tag('282', [TIFFType.UnsignedRational], [1], None, "XResolution"),
Tag('283', [TIFFType.UnsignedRational], [1], None, "YResolution"),
Tag('284', [TIFFType.UnsignedShort], [1], PlanarConfiguration.Chunky, "PlanarConfiguration", PlanarConfiguration),
Tag('285', [TIFFType.ASCII], [], None, "PageName"),
Tag('296', [TIFFType.UnsignedShort], [], ResolutionUnit.Inch, "ResolutionUnit", ResolutionUnit),
Tag('296', [TIFFType.UnsignedShort], [1], ResolutionUnit.Inch, "ResolutionUnit", ResolutionUnit),
Tag('339', [TIFFType.UnsignedShort], [], SampleFormat.Unsigned, "SampleFormat", SampleFormat),
Tag('317', [TIFFType.UnsignedShort], [1], Predictor.NoPrediction, "Predictor", Predictor),
Tag('320', [TIFFType.UnsignedShort], [], None, "ColorMap"),