VC编写的opengl程序，用来读取和现实STL文件，希望对大家有用-VC program opengl prepared to read the STL file and reality, in the hope that useful

这是关于SDL中使用TTF库的测试程序，可以实现在视频上叠加文字进行输出。-This is about the use of TTF library STL test program, the text can be superimposed on the video output.