DevDesc-class           Class "DevDescPtr" representing a C-level
                        Graphics Device
GE_ROUND_CAP            Symbolic Constants for line endings and line
                        joins
RDevDescMethods-class   RDevDescMethods class for implementing an R
                        graphics device with R functions
R_GE_gcontext-class     Information about the current graphics
                        settings/context
deviceName              Get the description for a type of graphics
                        device
dummyDevice             Create a degenerate collection of R-level
                        graphics device functions.
graphicsDevice          Instantiate Graphics Device implemented with R
                        functions
isTransparent           Test whether a integer corresponds to the color
                        'transparent'
makeGraphicsDeviceObject
                        Constructor for an RDevDescMethods object
