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Extensibility of PNG has been amply used, as intended, for proprietary chunks that hold application specific data (e.g. PICO-8 games) without bothering other so
by HelloNurse 1y ago
Extensibility of PNG has been amply used, as intended, for proprietary chunks that hold application specific data (e.g. PICO-8 games) without bothering other software.
- Lerc 1y agoDoesn't pico-8 store the data in the least significant bits of colour? Maybe it got updated to use chunks.
- HelloNurse 1y agoYes, my mistake. I assumed common sense. https://pico-8.fandom.com/wiki/P8PNGFileFormat https://pico-8.fandom.com/wiki/P8PNGFileFormat Actual cases of proprietary chunks include iDOT from Apple (apparently a performance optimization for plain images) https://www.hackerfactor.com/blog/index.php?/archives/895-Connecting-the-iDOTs.html https://www.hackerfactor.com/blog/index.php?/archives/895-Co... and the Macromedia Fireworks save files https://stackoverflow.com/questions/4242402/the-fireworks-png-format-any-insight-any-libs https://stackoverflow.com/questions/4242402/the-fireworks-pn...