How To Code A PNG Generator - Implementation

Published: 11 August 2023
on channel: CS Student Strategies

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In this video we code a very simple PNG generator. We hoped to create a PNG file of a red square. While the generator itself worked as expected and we were able to generate a valid PNG file, we were surprised at what image we actually got. Watch the video to find out what the end result was.

Github
https://github.com/fclassvisions/file...

PNG Basics
https://www.oreilly.com/library/view/...

PNG Spec - File Structure
https://www.w3.org/TR/PNG-Structure.html

PNG Spec - Chunk Specs
https://www.w3.org/TR/PNG-Chunks.html

Zlib - Nodejs
https://nodejs.org/api/zlib.html#clas...

crc-32 - Nodejs
https://www.npmjs.com/package/crc-32

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