Class "ViewerDeviceViewport" ~~~

Description

An object representing the device that the data are being viewed on.

Objects from the Class

Objects can be created using the viewerDeviceVp function.

Slots

datavp:

Object of class "viewport" giving the viewport in which to draw the data.

headvp:

Object of class "viewport" giving the viewport in which to draw the column headers.

rownamevp:

Object of class "viewport" giving the viewport in which to draw the row labels.

Extends

Class "ViewerDeviceDefault", directly. The virtual class "ViewerDevice", by class "ViewerDeviceDefault", distance 2.

Methods

drawData

signature(x = "ANY", rows = "ANY", cols = "ANY", dev = "ViewerDeviceViewport"): render the data.

drawHead

signature(x = "ANY", cols = "ANY", dev = "ViewerDeviceViewport"): render column names.

drawRowNames

signature(x = "ANY", rows = "ANY", dev = "ViewerDeviceViewport"): render row names.

getFontForHeight

signature(dev = "ViewerDeviceViewport"): determine an appropriate font size to show the specified number of rows.

getFontForWidth

signature(dev = "ViewerDeviceViewport"): determine an appropriate font size to show the specified number of columns.

numChars

signature(dev = "ViewerDeviceViewport"): determine how many characters can currently be seen on each row.

numRows

signature(dev = "ViewerDeviceViewport"): determine how many rows can currently be seen.

Author(s)

Paul Murrell

See Also

Viewer

Examples

showClass("ViewerDeviceViewport")