Tk::Animation - Display sequence of Tk::Photo images |
Tk::Animation - Display sequence of Tk::Photo images
use Tk::Animation my $img = $widget->Animation('-format' => 'gif', -file => 'somefile.gif');
$img->add_frames(@images);
$img->start_animation($period); $img->stop_animation;
In the simple case when Animation
is passed a GIF89 style GIF with
multiple 'frames', it will build an internal array of Photo
images.
The add_frames
method adds images to the sequence. It is provided
to allow animations to be constructed from separate images.
All images must be Photo
s and should all be the same size.
start_animation($period)
then initiates a repeat
with specified $period
to sequence through these images. As for raw repeat
$period is in milli-seconds,
for a 50Hz monitor it should be at least 20mS.
stop_animation
cancels the repeat
and resets the image to the first
image in the sequence.
The 'period' should probably be a property of the Animation object rather than specified at 'start' time. It may even be embedded in the GIF.
Tk::Animation - Display sequence of Tk::Photo images |