Creates fake seal characters (篆书) and symbols/patterns with this style.

These are the hand writings used among ~200 B.C. They are good at creating an ancient writing feel in games or so.

256x256 creates single characters, greater size creates patterns.

You can read more at

https://civarchive.com/articles/289/creating-mysterious-symbols-and-patterns

绘制伪造的篆书文字，以及篆书风格的图案。

输出为256时，仿造单个文字；尺寸更大时，会生成篆书文字风格的图案。对于那些认识一些篆书文字的人来说，似是而非的效果可能会有一点掉san。