Tiff: ccitt compression, fix for issue #2451 #2483
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…r write premature EOL codes instead of extension codes. Throw NotSupportedException, if its actually a Extension code. Fixes #2451
src/ImageSharp/Formats/Tiff/Compression/Decompressors/T6BitReader.cs
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JimBobSquarePants
approved these changes
Jun 25, 2023
This was referenced Jul 30, 2025
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Description
This PR fixes #2541 as discussed here:
If we encounter a Extensions1D or 2D code, we read the next 5 bits and if it turns out to be a EOL and not a Extensions1D or 2D, we return that. Otherwise throw a NotSupported Exception for the Extension1D/2D code.