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Thread: unsupported Gif verient for Precomp

  1. #1
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    unsupported Gif verient for Precomp

    i found a gif file that is not supported by precomp v0.37 or stuffit 12 ..links are here

    http://images.ucomics.com/comics/ga/2008/ga080101.gif
    .....
    http://images.ucomics.com/comics/ga/2008/ga080110.gif

    i could not know what is different in lzw scheme used..

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    Strange files.
    Code:
    ga080101                 bmp│   106,078
    ga080101.bmp             BMF│    27,040
    ga080101.bmp.f           BMF│    27,040
    ga080101.bmp.fs          BMF│    25,648
    ga080101.bmp.s           BMF│    25,644
    ga080101                 png│    25,515
    ga080101.bmp.m4          arc│    24,143
    ga080101                 gif│    23,365
    ga080101.bmp.bmfc        bmf│    22,788
    ga080101.bmp             uda│    22,080
    ga080101.bmp            uda6│    21,814
    ga080101.bmp          paq8o7│    20,449
    
    ga080110                 bmp│   107,878
    ga080110.bmp             BMF│    30,848
    ga080110.bmp.f           BMF│    30,848
    ga080110.bmp.fs          BMF│    29,536
    ga080110.bmp.s           BMF│    29,536
    ga080110                 png│    28,654
    ga080110.bmp.bmfc        bmf│    27,752
    ga080110.bmp.m4          arc│    27,262
    ga080110                 gif│    25,241
    ga080110.bmp             uda│    24,632
    ga080110.bmp            uda6│    24,610
    ga080110.bmp          paq8o7│    23,551

  3. #3
    Programmer schnaader's Avatar
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    Quote Originally Posted by maadjordan View Post
    i found a gif file that is not supported by precomp v0.37 or stuffit 12 ..links are here

    http://images.ucomics.com/comics/ga/2008/ga080101.gif
    .....
    http://images.ucomics.com/comics/ga/2008/ga080110.gif

    i could not know what is different in lzw scheme used..
    It's like with some PNG files - the files can be decompressed, but can't be recompressed completely, the LZW scheme used is the same as in other GIFs. But in GIF files, this can be handled easier than in PNG, so this will be possible in one of the next versions
    http://schnaader.info
    Damn kids. They're all alike.

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    Quote Originally Posted by schnaader View Post
    It's like with some PNG files - the files can be decompressed, but can't be recompressed completely, the LZW scheme used is the same as in other GIFs. But in GIF files, this can be handled easier than in PNG, so this will be possible in one of the next versions

    many thanks..

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