Lzw optimizations#59

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dave-price-parsons wants to merge 5 commits intongageoint:masterfrom

dave-price-parsons:lzw_optimizations

Commits on Aug 29, 2024

When reading a tiff file wil lzw compression, the bit size needs to be

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Changed the LZW table to be an array instead of a map for efficiency.

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Save the old value directly instead of having to relook it up each time.

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Refactored the getNextCode function to be much simpler.

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Simplified the checking of the bit size.

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