IMAGE(9)IMAGE(9)NAMEimage - Create and manipulate images
SYNOPSISimage 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) format.
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 includ‐
ing an alpha channel or by specifying a mask image. If a mask is spec‐
ified 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 pix‐
els.
image names
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 pix‐
els.
BUGS
When an image is reconfigured the widgets that refer to it will con‐
tinue to render the original image until their -image option is recon‐
figured.
SEE ALSOoptions(9), types(9), imageput in tk(2),
IMAGE(9)
