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PNG Encode & Decode with Metadata

This is a demo of saving a PNG image file with additional metadata. The demo also can read that metadata out of files it has generated.

It may also be able to read metadata from other PNGs, but I've set it up to quit scanning for metadata when it gets to the IDAT chunk. I can recommend reading the wikipedia page on PNG encoding if you wish to understand this work further.

st33d st33d

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