cppcheck是静态的C/C++ 代码分析工具，用以检查内存泄漏，错配的内存分配和释放，缓冲区溢出，以及更多的问题。-Static analysis of C/C++ code. Checks for: memory leaks, mismatching allocation-deallocation, buffer overrun, and many more. The goal is 0 false positives.

该代码实现了缓冲区分析及叠置分析的功能，当创建缓冲区的时候拖动按钮会自动实现缩放功能-This code implements the buffer analysis and overlay analysis function, when creating the buffer drag the button will automatically zoom function