Jsgui PNG Library for node.js. JavaScript implementation of some of the PNG spec. It has been optimized for performance, but it is also likely some ways could be found to speed it up further. This ...

Generate raw bitmap data, as a String. 1 character = 1 byte. Every character with charcode < 256. 1 pixel = 32 bits (in this case 4 characters) raw data format: RGBA. Then encode that data into a PNG ...