[HN Gopher] GIF Decoder by Bob Montgomery 1-22-87
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       GIF Decoder by Bob Montgomery 1-22-87
        
       Author : velmu
       Score  : 12 points
       Date   : 2022-03-14 10:22 UTC (1 days ago)
        
 (HTM) web link (twitter.com)
 (TXT) w3m dump (twitter.com)
        
       | nayuki wrote:
       | Is the tweet depicting a flowchart of LZW decompression? (
       | https://en.wikipedia.org/wiki/Lempel%E2%80%93Ziv%E2%80%93Wel... )
        
         | scroot wrote:
         | It appears so! Having re-written the GIF implementation for
         | Pharo and Squeak, I can tell you that it gets a little more
         | complicated due to dynamic bit sizes of codes and things like
         | that. LZW, which was meant for strings, is cleverly applied to
         | pixels in the GIF spec
        
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       (page generated 2022-03-15 23:01 UTC)