Functions
Control
Functions to create and destroy the canvas, and other canvas control functions.
Coordinate System and Clipping
Control clipping area, canvas size and unit convertion (mm x pixel).
Primitives
The main drawing functions.
Attributes
Change and query primitives attributes.
Colors
Color handling functions. Include functions to encode and decode colors to CD format, and functions to set and query color attributes.
Client Images
Manipulate RGB (24 bpp) or MAP (256 indexed colors) images that do not depend on the canvas.
Server Images
Manipulate images that depend on the canvas/driver (server) resolution and depth.
World Coordinates
Use the metaphor Window-Viewport to define a World Coordinate System.
Vector Text
Texts are rendered using polylines only. Used in the World Coordinate System.