Perl/Tk Pocket Reference

12. Images 75

Here are image manipulation methods common to the

remaining two image types:

$image->delete;

Deletes the image.

$image->height;

Returns pixel height of image.

$image->imageNames;

Returns a list of the names of all existing images.

$image->type;

Returns the type of image.

$image->imageTypes;

Returns a list of valid image types.

$image->width;

Returns pixel width of image.

When an image is created via the DefineBitmap, Bitmap,or

Photo method, Tk creates an image object reference to the

the image. For all image types, this object supports the cget

and configure methods in the same manner as widgets for

changing and querying configuration options. Of course,

image configuration commands can still be passed to the

creation method:

$image = $mw->Photo(-file => ‘/home/bug/photo.gif ’ );

The Bitmap Image Method

-background => color

Set background color for bitmap.

-data => string

Specify contents of bitmap in X11 bitmap format.

-file => pathName

Gives name of file whose contents define the bitmap in

X11 bitmap format.