grImport2 (version 0.1-5)

Picture-class: Class "Picture"

Description

A collection of paths, polylines, rectangles and other graphical content and features that together describe a picture.

Objects from the Class

Objects can be created by calls of the form new("Picture", ...).

Slots

content:

A list of objects of class "PictureContent" that are paths, groups rectangles and other related objects.

defs:

Object of class "PictureDefinitions" that contain all referenced content in the image. These are only used by the gridSVG package when "grobifying" an image.

summary:

Object of class "PictureSummary" that describes the scales applied to this picture.

Methods

[

signature(x = "Picture"): subset the content of a picture to produce a new picture (including a new, updated summary).

[[

signature(x = "Picture"): extract a single piece of a picture object, to produce a new picture (including a new, updated summary).

grobify

signature(object = "Picture"): convert a picture into a grid grob (for use as a one-off image).

This method contains two additional arguments:

gpFUN

This argument expects to take a function that modifies a gpar object. For its input, this function should take a gpar object, modify that object, and then return it. By default the value of this argument is the identity function.

ext

A character vector. See grid.picture for more information on what this extension selection parameter means, in addition to the valid values this argument takes.

See Also

readPicture, grid.picture, PictureSummary-class.