GB/T 17192.2-1997 Information technology--Computer graphics--Interfacing techniques for dialogues with graphical devices (CGI)--Functional specification--Part 2: Control (English Version)
This standard establishes the virtual device management function, coordinate space control function and error control function of CGI. The functional capabilities of this International Standard relate to graphical image management and the interrelationships between the graphical and non-graphical parts of the interface. When reading this standard, you should refer to GB/T17192.1 and other parts. For the relationship between this standard and other parts of GB/T 17192, see GB/T 17192.1 and Chapter 4 of this standard. The functional capabilities described in this standard apply to all types of CGI virtual devices (ie, INPUT, OUTPUT, and OUTIN).
GB/T 17192.2-1997 history
1997GB/T 17192.2-1997 Information technology--Computer graphics--Interfacing techniques for dialogues with graphical devices (CGI)--Functional specification--Part 2: Control