Koch curve. The Koch snowflake (or Koch star) is a mathematical curve and one of the earliest fractal curves to have been described.

基于 vc2005 和 Qt 开发..有三角形.四边形..五角星..和文字的绘制..结何qt的例子做了一些自定义的-Vc2005 and Qt-based development .. a triangle. Quadrilateral star .. .. .. Results and text rendering any qt example of some custom made stuff ..