svWidgets (version 0.9-40)

tkImg: Manipulate image resources for Tcl/Tk GUIs

Description

These functions read image files on disk and create Tk image resources.

Usage

tkImgAdd(file, type = "gif", update = FALSE)
tkImgDel(image)
tkImgRead(dir, type = "gif")

Arguments

file

Image file from where to download the resource

type

Type of image. Currently, only 'gif' is supported.

update

Do we update an already loaded image resource, or not?

image

Name of an image

dir

The directory that contains one or more image files to read

Value

• tkImgAdd() returns the handle to the newly created image invisibly. tkImgDel() returns invisibly TRUE if the resource is found and deleted, FALSE otherwise. tkImgRead() returns invisibly the list of image files that are imported as resources.

Details

These functions should not be called directly, but by means of ImgAdd(), ImgDel() or ImgRead().

See Also

ImgAdd, ImgDel, ImgRead