IMAGE(9) IMAGE(9)
NAME
image - Create and manipulate images
SYNOPSIS
image option ?arg arg ...?
DESCRIPTION
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 bitmap ?name? ?option value ...?
Creates a new image and returns its name. name
specifies the name for the image; if it is omitted
then Tk picks a name of the form imagex, where x is an
integer. The following options are supported:
-file name
name gives the name of a file whose contents
define the source bitmap. The file must be in
image(6) format.
-maskfile name
name gives the name of a file whose contents
define the mask. The file must be in image(6) for-
mat.
If an image already exists by the given name then it is
replaced with the new image.
Transparency effects can be achieved by either the source
image including an alpha channel or by specifying a mask
image. If a mask is specified then the resultant image is
generated by rendering the source through the mask onto a
transparent destination image.
The following commands are posible for images:
image delete ?name name ...?
Deletes each of the named images and returns an empty
string. Each image name is invalidated. If there are
instances of the images displayed in widgets, the
images won't actually be deleted until all of the
instances are released.
image height name
Returns a decimal string giving the height of image
name in pixels.
image names
Page 1 Plan 9 (printed 12/22/24)
IMAGE(9) IMAGE(9)
Returns a list containing the names of all existing
images.
image type name
Returns ``bitmap'' if name is an existing image, or an
error otherwise.
image width name
Returns a decimal string giving the width of image name
in pixels.
BUGS
When an image is reconfigured the widgets that refer to it
will continue to render the original image until their
-image option is reconfigured.
SEE ALSO
options(9), types(9), imageput in tk(2),
Page 2 Plan 9 (printed 12/22/24)