Tk Built-In Commands
image - Create and manipulate images
image option ?arg arg ...?
The image command is used to create, delete, and query images.
It can take several different forms, depending on the
option argument. The legal forms are:
image create type ?name? ?option value ...?
Creates a new image and returns its name.
type specifies the type of the image, which must be one of
the types currently defined (e.g., bitmap).
name specifies the name for the image; if it is omitted then
Tk picks a name of the form imagex, where x is
There may be any number of option-value pairs,
which provide configuration options for the new image.
The legal set of options is defined separately for each image
type; see below for details on the options for built-in image types.
If an image already exists by the given name then it is replaced
with the new image and any instances of that image will redisplay
with the new contents.
image delete ?name name ...?
Deletes each of the named images and returns an empty string.
If there are instances of the images displayed in widgets,
the images won't actually be deleted until all of the instances
However, the association between the instances and the image
manager will be dropped.
Existing instances will retain their sizes but redisplay as
If a deleted image is recreated with another call to image create,
the existing instances will use the new image.
image height name
Returns a decimal string giving the height of image name
Returns a list containing the names of all existing images.
image type name
Returns the type of image name (the value of the type
argument to image create when the image was created).
Returns a list whose elements are all of the valid image types
(i.e., all of the values that may be supplied for the type
argument to image create).
image width name
Returns a decimal string giving the width of image name
BUILT-IN IMAGE TYPES
The following image types are defined by Tk so they will be available
in any Tk application.
Individual applications or extensions may define additional types.
Each pixel in the image displays a foreground color, a background
color, or nothing.
See the bitmap manual entry for more information.
Displays a variety of full-color images, using dithering to
approximate colors on displays with limited color capabilities.
See the photo manual entry for more information.
height, image, types of images, width
Last change: 4.0
[ tcl8.0a1 | tk8.0a1 | X-ref ]
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