The car central control IVI, also known as the car machine, HUD+dashboard (Cockpit)+In-Vehicle Infotainment (IVI) constitutes the smart cockpit domain . The screens of the central control are also of different sizes. For example, the Wenjie M7 adopts a 10.25-inch LCD instrument panel and a 15.6-inch central control floating large-screen design. The LCD instrument panel displays rich information. And most of these LCD screens are LCD screens, whether they are shaped or rectangular, they all need to be designed with a GUI interface. What software tools are needed for this design? At present, some manufacturers provide graphics libraries, which are packaged and sold, and some are open source. The common ones are as follows: