### Rendering Pipeline Class Summary

The table summarizes the 2D Graphics framework rendering classes:

#### Class | #### Description
--- | ---
IGrafPort | An abstract base class that provides device-independent drawing protocols. The drawing port channels that information to a graphics device.
IBaseRootGrafPort | A subclass of IGrafPort that designates the top port of a port hierarchy.
IExtendedRootGrafPort | A special class that defines the coordinate system and mapping mode of the graphic device.
ILinkedGrafPort | A class that provides basic functionality for linked ports.
IStatefulGrafPort | A special class derived from IGrafPort that provides the ability to set the value of the graphic states individually.