摘要
讨论了Windows操作系统中的GDI坐标系统。GDI坐标包括逻辑坐标、设备坐标、物理坐标和世界坐标等四种,其中设备坐标有屏幕坐标、窗口坐标和用户坐标等三种。文中说明了各种坐标的作用,给出了有关坐标系的应用范围、设置方法和各种坐标系之间的转换方法。
Discusses the coordinate system of Windows operating system.Summarizes all the four kinds of coordinate systems in the GDI (Graphical Device Interface),such as world coordinate,logical coordinate,device coordinate and physical coordinate.Analyzes the function of each kind of coordinate and introduces the setting of each coordinate and the transformation between two coordinate systems.
出处
《计算机与现代化》
2003年第4期13-15,18,共4页
Computer and Modernization
