Fix wrong color resolution field offset

Twinside / Juicy.Pixels

Haskell library to load & save pictures

BSD 3-Clause "New" or "Revised" License

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Fix wrong color resolution field offset #157

Closed Ornedan closed 6 years ago

Ornedan commented 6 years ago

The GIF code reads and writes the 'color resolution' packed field from the wrong offset. Is 5, should be 4. This causes the access to overlap with the 'global color table flag' field.

Twinside commented 6 years ago

Thanks