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17.2. Methods Common to All Image Types
Images are real objects; we need to create them and, when we're finished, destroy them; otherwise, their resources remain in use for the duration of program execution. For instance, if we create an image and assign it to a Label, then at some later time destroy the Label, like so:
my $l = $mw->Label(-image -> $image) ... $l->destroy;
the image remains alive and ready for use again and again, even by multiple widgets simultaneously. If we want the image to go away, we must explicitly delete it:
$image->delete;
This applies to Bitmap, Pixmap, and Photo image types. Here are other methods available for any image type:
- $image->cget(-option)
- Returns the value of the image option -option
- $image->configure(-option => value)
- Configures the specified option
- $image->delete
- Deletes the image
- $image->height
- Returns the pixel height of the image
- $image->type
- Returns the image type of the image
- $image->width
- Returns the pixel width of the image
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| 17. Images and Animations |  | 17.3. Bitmap Primitives |
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