Introduction - If you have any usage issues, please Google them yourself
This is a small project implemented in C language. The development platform is Dev cpp. Based on graphics.h library, the program realizes drawing functions, including drawing straight lines, rectangles, ellipses, etc. It supports drawing dragging and zooming, and can add text. It can be said to be a simple version of the CAD program. The specific functions are described in ReadMe.txt in the materials.