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Hacker News

No reference to Ulead GIF Animator? Was expecting some time travel step in between.

by mxfh

I was a little hoping you were going to hand deliver the film to a CVS and have it printed AND THEN scan it :)

As for imagemagick, you could make this harder by: a) Parsing the PNG structure of every image (4-byte length, 4-byte type, data, and 4-byte CRC). b) Decompress and unfilter the pixel data c) Convert data to indexed color and quantize down to <= 256 colors if needed d) Write the GIF container e) LZW-encode the pixel indices

by James333i

> Using imagemagick on the command line I was able to combine the images into a GIF.

man what a cop out, I was hoping they would use a text editor to build the gif. that would be way harder.

by ticulatedspline

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  • Hacker News
  • No reference to Ulead GIF Animator? Was expecting some time travel step in between.
    by mxfh
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  • I was a little hoping you were going to hand deliver the film to a CVS and have it printed AND THEN scan it :)

    As for imagemagick, you could make this harder by: a) Parsing the PNG structure of every image (4-byte length, 4-byte type, data, and 4-byte CRC). b) Decompress and unfilter the pixel data c) Convert data to indexed color and quantize down to <= 256 colors if needed d) Write the GIF container e) LZW-encode the pixel indices

  • > Using imagemagick on the command line I was able to combine the images into a GIF.

    man what a cop out, I was hoping they would use a text editor to build the gif. that would be way harder.