[tetrep]

Neat. I needed to make very large PNG bombs recently and toyed with the idea of doing it "manually." In the end I decided to take the lazy route and use libpng[1].

[1]: https://bitbucket.org/tetrep/pngbomb/src/03dfc95065d78562c15...

[x0]

This works wonderfully! With an image size 123456x123456, I made this happen: http://i.imgur.com/2Dgrazj.png

I killed it at about 25GB memory usage, who knows how high it would have climbed otherwise.